1 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * c-lex.c: NULL_PTR -> NULL.
5 * emit-rtl.c: Likewise.
9 * mips-tdump.c: Likewise.
10 * reload1.c: Likewise.
11 * rtlanal.c: Likewise.
13 * stor-layout.c: Likewise.
16 2001-05-01 Per Bothner <per@bothner.com>
18 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
19 call do_pending_stack_adjust before emiting label.
21 2001-05-01 Mark Mitchell <mark@codesourcery.com>
23 * extend.texi: Fix typo.
25 2001-05-01 Stan Shebs <shebs@apple.com>
27 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
28 of UOBJC_MODULES_decl.
29 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
30 (generate_descriptor_table): Ditto.
31 (generate_protocols): Ditto.
32 (generate_protocol_list): Ditto.
33 (generate_classref_translation_entry): Ditto.
35 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
37 * invoke.texi (Optimize Options): Add documentation for `--param
38 max-delay-slot-insn-search' and `--param
39 max-delay-slot-live-search' and reorder --param section.
40 * params.def: Modify initial comment.
41 * params.h (param_info): Add `help' member.
42 * toplev.c (lang_independent_params): Include `help' description.
43 (display_help): Print --param parameters.
45 2001-05-01 Zack Weinberg <zackw@stanford.edu>
47 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
48 Remove references to deleted files.
49 (*-*-openbsd): No need to override xmake_file.
50 (*-*-sysv4): Treat like *-*-sysv.
52 * configure.in: Probe for ldopen in various places, and set up
53 collect2 to be linked with them if found.
54 Don't dink with Windows registry stuff unless $host_os is a
55 Win32 os name. Check to see if we need -ladvapi32.
56 * configure: Regenerate.
58 * Makefile: Get rid of CLIB and HOST_CLIB.
59 Substitute in COLLECT2_LIBS and link collect2 against its contents.
60 * build-make: Get rid of HOST_CLIB.
62 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
63 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
64 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
65 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
66 config/rs6000/x-rs6000: Delete.
68 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
71 24 x-host fragments remain, 0 x-cpu, 3 top level.
73 2001-05-01 Zack Weinberg <zackw@stanford.edu>
75 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
76 * configure: Regenerate.
78 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
80 * Makefile.in (install-headers): Remove redundant dependency.
82 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
84 * c-tree.texi (USING_STMT): Document.
86 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
88 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
89 * c-common.c: Likewise.
91 * combine.c: Likewise.
96 * fold-const.c: Likewise.
97 * function.c: Likewise.
100 * integrate.c: Likewise.
102 * objc/objc-act.c: Likewise.
104 * reg-stack.c: Likewise.
105 * reload.c: Likewise.
106 * reload1.c: Likewise.
107 * simplify-rtx.c: Likewise.
109 * varasm.c: Likewise.
111 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
113 * diagnostic.def: New file.
114 * diagnostic.h (diagnostic_t): New enum.
115 * Makefile.in (diagnostic.o): Depend on diagnostic.def
117 2001-04-30 Zack Weinberg <zackw@stanford.edu>
119 * tsystem.h: Test only POSIX for availability of string.h
121 * config.gcc (all systems): If USG appeared in xm_defines,
122 change it to POSIX. If both USG and POSIX appeared, just
123 delete USG. Remove unnecessary quotes around xm_defines
125 (m68k-crds-unos*): Don't #define unos - tested nowhere.
126 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
127 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
128 powerpc-*-linux*): No need to set xm_defines - handled by
129 global settings for *-*-linux*.
131 2001-04-30 Zack Weinberg <zackw@stanford.edu>
133 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
134 Always include gstab.h, not system stab.h. Don't provide
135 default definitions of N_CATCH or N_OPT. Always use the
136 gstab.h variant of STAB_CODE_TYPE.
137 * final.c: Don't include stab.h/gstab.h at all, or provide
138 defaults for N_SLINE and N_SOL.
140 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
141 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
143 * sdbout.c: Always include gsyms.h instead of system syms.h.
145 * configure.in: No need to check for stab.h.
146 * configure, config.in: Regenerate.
147 * Makefile.in (final.o): Don't depend on gstab.h.
149 2001-04-30 Mark Mitchell <mark@codesourcery.com>
150 Richard Henderson <rth@redhat.com>
152 * extend.texi: Improve documentation of volatile asms.
154 2001-04-30 Mark Mitchell <mark@codesourcery.com>
156 * c-tree.texi: Fix thinko.
157 * gcc.texi: Likewise.
159 2001-04-30 Richard Henderson <rth@redhat.com>
161 * c-common.c (c_promoting_integer_type_p): New function, from the
162 corpse of old macro. Properly promote too-small enumerations and
163 booleans. Adjust all callers.
164 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
165 (c_promoting_integer_type_p): Declare.
166 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
167 * c-typeck.c: Likewise.
168 (default_conversion): Remove now redundant boolean check.
170 2001-04-30 Jan Hubicka <jh@suse.cz>
171 Richard Henderson <rth@redhat.com>
173 * regmove.c (try_apply_stack_adjustment): Remove now redundant
175 (combine_stack_adjustments_for_block): Don't combine stack
176 allocation followed by deallocations. Handle grow-up stacks.
178 2001-04-30 Mark Mitchell <mark@codesourcery.com>
180 * fdl.texi: New file.
181 * c-tree.texi: Use the GFDL.
182 * gcc.texi: Likewise.
184 2001-04-30 Stan Shebs <shebs@apple.com>
186 * invoke.texi: Add a section documenting Objective-C options.
188 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
190 * emit-rtl.c (try_split): Copy EH notes to sequence.
192 2001-04-30 Mark Mitchell <mark@codesourcery.com>
194 * regmove.c (record_stack_memrefs): Catch all references to the
197 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
199 * Makefile.in(stmp-fixinc): quote shell assignment values
201 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
203 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
207 * prefix.c: Likewise.
209 2001-04-28 Stan Shebs <shebs@apple.com>
211 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
212 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
213 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
214 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
216 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
217 (NEXT_OBJC_RUNTIME): Define.
219 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
221 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
222 * simplify-rtx.c (simplify_gen_relational): Likewise.
224 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
226 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
227 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
229 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
230 registers in SSE case; fix handling of the immediates.
231 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
232 operands to be in regsiters before reload.
233 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
234 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
235 (abstf,absxf,negtf,negxf splitters): Compute
236 properly the regnum for x86_64.
237 (avsdf2_if_rex64): New.
239 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
241 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
242 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
243 into the constant pool.
244 * jump.c (jump_optimize_1): Remove barrier successors after all
245 the LABEL_NUSES counds have been computed.
246 (delete_barrier_successors): When deleting a tablejump insn, also
247 delete the jump table it uses.
248 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
251 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
253 * pa.c (FRP): Remove erroneous white space in macro definition.
255 2001-04-28 Andreas Jaeger <aj@suse.de>
257 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
259 * extend.texi: Likewise.
262 2001-04-28 Andreas Jaeger <aj@suse.de>
264 * md.texi: Use XX-bit instead of XXbit or XX bit where
267 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
269 * gcc.c (process_command): Allow -l lib in addition to -llib
270 for POSIX compliance. This fixes PR c/2347.
272 * invoke.texi: Update section on Link Options accordingly.
274 2001-04-27 Zack Weinberg <zackw@stanford.edu>
276 * function.c (purge_addressof_1): Remove the duplicate
277 if (code == SET) block. Fold the two if (code == ADDRESSOF)
280 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
282 * except.c (expand_eh_region_start): Don't start a new block.
283 (expand_eh_region_end): Don't end a block.
284 * stmt.c (expand_end_bindings): Don't end EH blocks.
285 (expand_decl_cleanup): Starting an EH region won't change the block.
286 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
287 (is_eh_region): Lose.
290 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
292 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
294 * collect2.c (main): Add `-L' case to remove duplicate entries.
295 (is_in_args): New function to check for a duplicate argument.
296 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
297 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
298 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
299 Define to be nonzero.
301 2001-04-27 Andreas Jaeger <aj@suse.de>
302 Richard Henderson <rth@redhat.com>
304 * md.texi (Machine Constraints): Document additional i386
305 constraints and fix description of "A".
307 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
309 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
311 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
313 * except.c (get_exception_filter): word_mode, not Pmode.
315 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
317 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
318 common to other movsf patterns. Move up so that in future
319 people who change the other patterns will change it too.
320 (movsf_lo_sum): Allow even for soft-float; add appropriate
322 (movsf_high): Likewise.
323 (movsf_high+1): Allow even for soft-float.
325 * function.c (expand_function_end): Always clobber the
326 return registers, even if there is no return label.
328 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
330 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
332 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
334 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
335 (pushqi2_rex64, pushhi2_rex64): Add.
337 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
339 * except.c (expand_eh_region_end_cleanup): Force pending stack
340 adjust before emitting label that branches around cleanup code.
342 2001-04-26 H.J. Lu (hjl@gnu.org)
344 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
346 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
348 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
349 (ASM_OUTPUT_SECTION_NAME): Likewise.
350 (ASM_WEAKEN_LABEL): Likewise.
351 (UNIQUE_SECTION): Likewise.
352 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
353 (ASM_OUTPUT_DESTRUCTOR): Likewise.
354 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
355 (ASM_OUTPUT_SECTION_NAME): Likewise.
356 (ASM_WEAKEN_LABEL): Likewise.
357 (UNIQUE_SECTION): Likewise.
358 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
359 (ASM_OUTPUT_DESTRUCTOR): Likewise.
360 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
361 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
362 (ASM_FILE_START): Likewise.
363 (ASM_OUTPUT_SOURCE_LINE): Likewise.
364 (ASM_DECLARE_OBJECT_NAME): Likewise.
365 (ASM_FILE_END): Likewise.
366 (ASM_DECLARE_FUNCTION_NAME): Likewise.
367 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
368 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
369 (ASM_OUTPUT_CASE_LABEL): Likewise.
370 (ASM_OUTPUT_SKIP): Likewise.
371 (ASM_OUTPUT_ASCII): Likewise.
372 (ASM_OUTPUT_IDENT): Likewise.
373 (READONLY_DATA_SECTION): Likewise.
374 (EXTRA_SECTIONS): Likewise.
375 (EXTRA_SECTION_FUNCTIONS): Likewise.
376 (SELECT_RTX_SECTION): Likewise.
377 (SELECT_SECTION): Likewise.
379 * config/mips/linux.h (INVOKE__main): Undefine.
380 (CTOR_LIST_BEGIN): Likewise.
381 (CTOR_LIST_END): Likewise.
382 (DTOR_LIST_BEGIN): Likewise.
383 (DTOR_LIST_END): Likewise.
384 (SET_ASM_OP): Defined it to ".dummy".
385 (ASM_OUTPUT_DEF): Defined.
386 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
388 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
390 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
391 assembler supports .p2align.
393 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
395 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
397 2001-04-26 Jakub Jelinek <jakub@redhat.com>
399 * integrate.c (expand_inline_function): Check for error_mark_node
402 2001-04-26 Jakub Jelinek <jakub@redhat.com>
404 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
407 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
409 * configure.in (configargs.h): Define thread_model.
410 * configure: Rebuilt.
411 * gcc.c (main): Print it with -v.
413 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
415 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
416 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
419 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
421 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
422 is_redundant_typedef): Use static inline instead of inline static.
424 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
426 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
427 this directory is always searched.
429 2001-04-25 Richard Henderson <rth@redhat.com>
431 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
432 of registers to restore along non eh_return path.
434 2001-04-25 Jakub Jelinek <jakub@redhat.com>
436 * c-format.c (check_format_info_recurse): Handle
437 PLUS_EXPR for format string.
439 2001-04-25 Jakub Jelinek <jakub@redhat.com>
441 * config/ia64/ia64.h (CC1_SPEC): Define.
442 * config/ia64/linux.h (CC1_SPEC): Define.
444 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
446 * emit-rtl.c (constant_subword): Also do sign extension in
447 BITS_PER_WORD == 16 case.
449 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
451 * loop.c (try_swap_copy_prop): Go back to checking insn.
453 2001-04-25 Jakub Jelinek <jakub@redhat.com>
455 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
456 if check_mode is non-zero.
458 2001-04-25 Jakub Jelinek <jakub@redhat.com>
460 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
461 out and comparison sequence has been detected, put result into
462 proper temporary pseudo.
464 2001-04-24 Zack Weinberg <zackw@stanford.edu>
466 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
467 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
468 * libgcc2.c: Remove __dummy and __builtin_saveregs.
469 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
470 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
471 for future reference.
473 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
475 * except.c (reachable_handlers): Step out one level from a RESX.
477 * except.c (struct eh_region): Rename 'last' to 'resume'.
478 (mark_eh_region, duplicate_eh_region_1): Adjust.
479 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
480 (build_post_landing_pads): Likewise.
481 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
482 (expand_eh_region_end_must_not_throw): Likewise.
483 (connect_post_landing_pads): Thread (only) regions with non-deleted
486 * except.c (expand_eh_region_end_cleanup): Save the EH return data
487 registers around the cleanup.
488 (get_exception_filter): New fn.
489 (finish_eh_generation): Use it.
491 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
493 * c-semantics.c (add_scope_stmt): Don't call
494 current_scope_stmt_stack multiple times.
496 2001-04-24 Zack Weinberg <zackw@stanford.edu>
497 Nathan Sidwell <nathan@codesourcery.com>
499 Lazy __FUNCTION__ generation.
500 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
501 RID_C99_FUNCTION_NAME): New _RIDs.
502 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
503 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
504 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
506 (function_id_node, pretty_function_id_node, func_id_node): Remove.
507 (c99_function_name_decl_node, function_name_decl_node,
508 pretty_function_name_decl_node, saved_function_name_decls):
510 (struct language_function): Remove x_function_name_declared_p.
511 (make_fname_decl): Remove a parameter.
512 (declare_function_names): Remove prototype.
513 (start_fname_decls, finish_fname_decls): Prototype.
514 (fname_as_string): Likewise.
515 (fname_string, fname_decl): Likewise.
516 * c-common.c (make_fname_decl): Adjust.
517 (struct fname_var_t): New struct.
518 (fname_vars): New static array.
519 (declare_function_name): Remove.
520 (start_fname_decls, finish_fname_decls): New functions.
521 (fname_as_string): New function from remnants of
522 declare_function_name.
523 (fname_string, fname_decl): New functions.
525 * c-decl.c (c_function_name_declared_p): Remove.
526 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
527 don't call declare_function_name. Call start_fname_decls.
528 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
529 clobber the line number. Call finish_decl.
530 (start_function): Call start_fname_decls.
531 (finish_function): Call finish_fname_decls.
532 Remove c_function_name_declared_p.
533 (push_c_function_context): Don't push c_function_name_declared_p.
534 (pop_c_function_context): Don't pop c_function_name_declared_p.
535 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
536 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
537 (program): Call finish_fname_decls for C.
538 (primary): Add VAR_FUNC_NAME.
539 (reswords): Add slots for __FUNCTION__ et al.
540 (rid_to_yy): Add mappings for __FUNCTION__ et al.
541 (yylexname): If it's a STRING_FUNC_NAME generate the function name
542 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
543 * c-semantics.c (prune_unused_decls): Remove.
544 (finish_stmt_tree): Don't call prune_unused_decls.
545 (genrtl_decl_stmt): Don't prune unused decls here.
547 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
549 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
550 constant pool, use the pool's SYMBOL_REF instead.
552 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
555 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
557 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
558 passing nested NOP_EXPRs to fold.
560 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
562 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
564 2001-04-22 Mark Mitchell <mark@codesourcery.com>
566 * loop.c (loop_delete_insns): Add prototype.
568 2001-04-23 Phil Edwards <pme@sources.redhat.com>
570 * configure.in: Remove ENABLE_STD_NAMESPACE.
571 * config.in: Regenerated.
572 * configure: Regenerated.
574 2001-04-22 Stan Shebs <shebs@apple.com>
576 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
578 * config/rs6000/xm-darwin.h: Remove file.
580 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
582 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
583 (write_c_file_stat): Likewise.
585 * dbxout.c (dbxout_init): Likewise.
587 * profile.c (output_func_start_profiler): Likewise.
589 2001-04-22 Philipp Thomas <pthomas@suse.de>
591 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
592 require it instead of the CVS version.
593 * cpperror.c (v_message): Put a blank before the macro
594 body to not confuse exgettext.
596 2001-04-21 Mark Mitchell <mark@codesourcery.com>
598 * flow.c (proagate_one_insn): Remove useless assignment.
599 * jump.c (delete_insn): Tidy.
600 * loop.c (try_copy_prop): When deleting an instruction with a
601 REG_RETVAL note, delete the entire libcall sequence.
602 (loop_delete_insns): New function.
603 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
604 we're not substituting into them yet.
606 2001-04-21 Kazu Hirata <kazu@hxi.com>
608 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
610 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
612 * config/i960/i960.c (signed_arith_operand): Likewise.
614 * calls.c (expand_call): Fix a comment typo.
616 2001-04-20 Zack Weinberg <zackw@stanford.edu>
618 * configure.in: Probe for times, clock, struct tms, and clock_t.
619 * configure, config.in: Regenerate.
620 * timevar.c: Replace ifdef forest in get_time with (relatively)
621 straightforward series of checks based on autoconf's probes.
623 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
625 * config/pa/som.h (NM_FLAGS): Define.
627 2001-04-20 Bernd Schmidt <bernds@redhat.com>
629 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
631 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
632 * ia64.c (nop_cycles_until): New function.
633 (prev_cycle, prev_first, last_issued): New static variables.
634 (ia64_sched_reorder): Additional arg for clock.
635 On final scheduling pass, emit extra NOPs as needed.
636 Set prev_first and prev_cycle.
637 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
638 (ia64_variable_issue): Set last_issued.
640 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
642 * config/i386/i386.c (ix86_expand_int_movcc,
643 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
645 2001-04-20 Geoff Keating <geoffk@redhat.com>
647 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
648 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
649 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
650 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
651 ctrdi_internal6): In the short-branch case, this insn is only 4
652 bytes long. Reported by Reza Yazdani <reza@apple.com>.
654 2001-04-20 Jakub Jelinek <jakub@redhat.com>
656 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
657 "=u" is used together with "st" resp. "st(1)" clobber.
659 2001-04-20 Jakub Jelinek <jakub@redhat.com>
661 * gcse.c (gcse_main): Fix comment typo.
662 (delete_null_pointer_check): Likewise.
663 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
664 * cse.c (cse_insn): Likewise.
665 * function.c (fixup_var_refs_insns_with_hash): The sequence is
668 2001-04-19 Zack Weinberg <zackw@stanford.edu>
670 * toplev.c: Excise all code for the undocumented -dm option.
671 (float_signal): Call signal just once, unconditionally.
673 2001-04-19 Geoff Keating <geoffk@redhat.com>
675 * fold-const.c (fold): Use first_rtl_op rather than
676 TREE_CODE_LENGTH when looping over parameters of a tree.
677 Correct strange grouping in test for evaluated SAVE_EXPR.
679 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
681 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
682 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
684 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
685 name at 32 total characters.
686 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
687 functions in named sections -- data items can still go into unique
688 sections, but they have normal names (ie $LIT$ and $DATA$).
690 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
693 2001-04-19 DJ Delorie <dj@redhat.com>
695 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
696 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
697 * config/i386/cygwin.h: Likewise.
698 * config/i386/mingw32.h: Likewise.
699 * config/vax/vms.h: Likewise.
700 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
702 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
703 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
704 * config/i386/xm-cygwin.h: Likewise.
705 * config/i386/xm-djgpp.h: Likewise.
706 * config/i386/xm-mingw32.h: Likewise.
707 * config/vax/xm-vms.h: Likewise.
709 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
710 instead of OBJECT_SUFFIX.
711 * collect2.c (find_a_file): Look for files matching the extension
712 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
713 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
714 TARGET_EXECUTABLE_SUFFIX.
715 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
716 (make_relative_prefix): Likewise.
717 (convert_filename): Use TARGET_ suffixes throughout. Remove
719 (process_command): Likewise.
720 (do_spec_1): Likewise.
721 * java/lang.c (init_parse): Likewise.
723 * gcc.texi : Document four new options matching the pattern
724 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
725 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
726 documentation for NO_AUTO_EXE_SUFFIX.
728 2001-04-19 Mark Mitchell <mark@codesourcery.com>
730 * toplev.h (struct lang_hooks): Allow decode_option to indicate
731 that language-independent processing should not be done.
732 * toplev.c (main): Adjust accordingly.
734 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
735 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
737 * mips.md (reload_outputdi): Require that operand0 be a
740 2001-04-19 Jakub Jelinek <jakub@redhat.com>
742 * invoke.texi (-Wshadow): Clarify.
744 2001-04-18 Mark Mitchell <mark@codesourcery.com>
746 * loop.c (load_mems): Examine all the instructions in the loop
747 before concluding that all jumps branch to the first instruction
750 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
752 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
754 2001-04-18 Jakub Jelinek <jakub@redhat.com>
756 * cpp.texi (-Wwhite-space): Remove.
757 (-Wall): -Wall does not imply -Wwhite-space.
759 2001-04-17 Zack Weinberg <zackw@stanford.edu>
761 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
762 use it instead of blindly generating a .stabs.
763 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
765 * xcoffout.c: Don't bother defining default for N_CATCH.
766 (UNKNOWN_STAB): Use internal_error.
767 (stab_to_sclass): Remove now-unnecessary aborts.
768 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
770 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
772 * jump.c (mark_all_labels): Canonicalize the tail recursion
773 label attached to CALL_PLACEHOLDER insns.
775 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
777 * output.h (dump_flow_info, free_basic_block_vars,
778 which_alternative): Delete redundant prototypes.
780 * rtl.h (bss_section): Likewise.
782 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
784 * dbxout.c (N_OPT): Define if not available from <stab.h>
786 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
788 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
789 libraries and native K&R compilers.
791 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
793 * c-typeck.c (convert_arguments): Don't check for width changes
796 * invoke.texi (-Wtraditional): Update documentation.
798 2001-04-16 Zack Weinberg <zackw@stanford.edu>
800 * toplev.c (output_lang_identify): Delete.
801 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
802 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
803 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
804 after calling ASM_FILE_END.
806 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
807 Instead, unconditionally emit an N_OPT stab with string equal
808 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
810 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
812 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
813 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
814 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
815 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
816 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
817 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
818 config/i370/i370.h, config/i386/beos-elf.h,
819 config/i386/osf1elf.h, config/i386/osfrose.h,
820 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
821 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
822 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
823 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
824 config/mips/iris6.h, config/mips/osfrose.h,
825 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
826 config/sparc/sp64-elf.h:
827 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
828 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
830 * config/elfos.h, config/freebsd.h, config/linux.h,
831 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
832 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
833 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
834 of ASM_FILE_START which merely emit a .version directive. Delete
835 definitions of ASM_FILE_END which merely emit an .ident directive.
837 * config/avr/avr.h, config/vax/vax.h: Delete definition of
838 ASM_IDENTIFY_GCC and move part of its logic into
841 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
842 config/sparc/linux-aout.h: Don't emit .version directive in
845 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
846 (output_file_start): Correct comment.
848 * config/i386/osfrose.h: Don't emit trailing .ident directive.
849 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
851 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
852 * config/rs6000/aix.h: Correct comment.
854 * config/i386/i386afe.h: Delete.
855 * config.gcc: Remove references to i386afe.h.
857 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
858 other macros deleted by this patch were undocumented.
860 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
862 * pa.md (reload_outdi): Operand 0 must be a non hard register.
864 * pa.c (secondary_reload_class): SAR<->FP copies require a
867 * install.texi (mips-mips-bsd): Update list of functions
868 required to include memmove.
869 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
870 used functions to include memmove.
872 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
874 * i386.md (sqrtdf2): SFmode should be DFmode.
876 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
878 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
879 (find_moveable_store): Likewise.
881 2001-04-15 Jim Wilson <wilson@redhat.com>
883 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
885 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
887 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
888 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
890 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
892 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
895 2001-04-14 Alan Modra <amodra@one.net.au>
897 * pa.c (force_mode): New function.
898 (emit_move_sequence): Use it instead of generating new rtx_REGs.
900 2001-04-13 Jim Wilson <wilson@redhat.com>
902 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
903 (first_instruction): New static variable.
904 (rtx_needs_barrier): Return 1 for alloc.
905 (init_insn_group_barriers): Set first_instruction.
906 (rws_sum): Delete duplicate definition.
907 (group_barrier_needed_p): Return 0 when first_instruction true.
908 (safe_group_barrier_needed_p): Save and restore first_instruction
909 around group_barrier_needed_p call.
911 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
913 * expr.h (enum libfunc_index): Add LTI_memmove.
914 (memmove_libfunc): Define macro.
915 * optabs.c (init_optabs): Initialize memmove_libfunc.
916 * expr.c (expand_assignment): Use memmove_libfunc instead of
919 2001-04-13 Alan Modra <alan@linuxcare.com.au>
921 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
924 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
926 * Makefile.in (reg-stack.o): Depend on reload.h.
927 (insn-attrtab.o): Depend on flags.h.
929 * genattrtab (main): Include flags.h in insn-attrtab.c.
931 * reg-stack.c: Include reload.h.
933 * sparc.h (flag_pic): Delete redundant declaration.
935 * output.h (flag_pic): Likewise.
937 * tree.h (pedantic): Likewise.
939 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
941 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
943 * jump.c, regmove.c, toplev.c: Include reload.h.
945 * reload.h (reload_cse_regs): Declare.
947 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
948 reload_cse_regs, init_reload, mark_home_live, reload,
949 init_caller_save): Delete redundant prototypes.
951 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
953 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
955 * regclass.c, ssa.c: Include expr.h.
957 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
958 gen_move_insn): Delete redundant declarations.
960 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
962 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
963 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
964 MAKEINFO and MAKEINFOFLAGS too.
965 (stage4_build): Correctly order -B flags.
967 2001-04-13 Alan Modra <amodra@one.net.au>
969 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
970 PIC_OFFSET_TABLE_SAVE_RTX.
971 (zdepi_cint_p): Describe zdepi insn.
972 Formatting and white space fixes throughout file.
974 * pa.c (uint32_operand): Don't use long constant >= 2^32.
975 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
976 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
977 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
978 (output_64bit_and): Use plain `int's for shift counts.
979 (output_64bit_ior): Likewise.
980 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
981 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
984 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
985 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
986 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
987 NEW_HP_ASSEMBLER into one. Kill warnings.
989 * pa-gas.h: Delete file.
990 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
991 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
992 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
993 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
995 * config/pa/mill32.S: New file.
996 * config/pa/mill64.S: New file.
997 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
998 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
999 * config/pa/t-linux64: New file.
1000 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1001 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1002 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1004 * elfos.h (SELECT_SECTION): Undef before defining.
1005 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1006 (LIB_SPEC): Remove -lmilli.
1007 (DBX_REGISTER_NUMBER): Remove.
1008 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1009 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1010 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1011 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1012 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1013 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1014 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1015 TARGET_GAS): Define.
1016 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1017 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1018 regs if we don't have a prototype.
1019 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1020 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1021 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1022 EH_RETURN_HANDLER_RTX): Define.
1023 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1024 (DWARF_FRAME_REGNUM): Define.
1025 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1026 * pa32-linux.h: New file.
1027 * pa64-linux.h: New file.
1029 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1030 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1031 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1032 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1033 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1034 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1035 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1036 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1037 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1038 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1039 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1040 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1041 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1042 * pa64-hpux.h: New file.
1043 (ASM_FILE_START): Correct typo.
1044 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1045 * config.gcc: Modify for above.
1047 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1049 * jump.c (jump_optimize_1): Don't delete dead stores here.
1050 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1051 prior to running jump optimize before cse2.
1053 2001-04-12 Richard Henderson <rth@redhat.com>
1055 * Makefile.in (regmove.o): Depend on except.h.
1056 * regmove.c: Include it.
1058 2001-04-12 Stan Shebs <shebs@apple.com>
1060 * objc/objc-act.c: Remove all code ifdefed with the never-used
1061 macro OBJC_INT_SELECTORS.
1062 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1063 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1065 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1067 * config/pa/quadlib.c: Add prototypes.
1069 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1071 * bitmap.h (debug_bitmap): Delete redundant prototype.
1073 * rtl.h (get_frame_size): Likewise.
1075 2001-04-12 Jim Wilson <wilson@redhat.com>
1077 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1078 to just emit an fnorm.
1080 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1082 * c-common.h (truthvalue_conversion, type_for_mode,
1083 type_for_size): Delete redundant declarations.
1085 * c-lex.h (is_class_name): Likewise.
1087 * c-tree.h (pedantic, convert, getdecls, gettags,
1088 global_bindings_p, init_decl_processing, insert_block,
1089 maybe_build_cleanup, poplevel, print_lang_decl,
1090 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1091 set_block, incomplete_type_error, build_function_call,
1092 lvalue_or_else, mark_addressable): Likewise.
1094 * expr.h (expand_tree_builtin): Likewise.
1096 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1098 * invoke.texi: Document --param max-gcse-memory.
1100 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1102 * configure.in (errno): Check for declaration.
1103 * configure, config.in: Regenerated.
1105 * system.h (errno): Only declare if not already done.
1107 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1109 * recog.c (general_operand, immediate_operand,
1110 nonmemory_operand): Require CONST_INTs to be sign-extended
1111 values for their modes.
1113 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1115 * expmed.c (store_bit_field): Truncate CONST_INTs.
1116 (expand_mult_highpart, expand_divmod): Likewise.
1117 * expr.c (convert_modes, store_field): Likewise.
1118 * integrate.c (expand_inline_function): Use promote_mode() to
1119 determine whether to convert_modes() an argument as signed
1121 * optabs.c (expand_binop): Get CONST_INT operands
1122 sign-extended for their appropriate modes.
1123 * stmt.c (emit_case_nodes): Convert node values to the
1125 (expand_end_case): Convert minval and range to the appropriate
1127 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1128 the iteration variable.
1129 * varasm.c (immed_double_const): Don't require words to be
1130 narrower than host wide ints to properly sign-extend
1133 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1135 * sh.md (builtin_setjmp_receiver): New expander.
1137 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1139 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1140 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1141 for generating CONST_INT and CONST_DOUBLE.
1143 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1145 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1146 already sign-extended.
1147 (rs6000_emit_prologue): Make register iterator signed.
1148 (rs6000_emit_epilogue): Likewise.
1149 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1151 (movsf split, movdf split): Sign-extend CONST_INTs.
1152 (movdi splits): Likewise.
1154 2001-04-12 Kelley Cook <kelley.cook@home.com>
1156 * config-lang.in (lang_dirs): Add in zlib.
1158 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1160 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1161 operands that make it to RTL.
1163 2001-04-11 Stan Shebs <shebs@apple.com>
1165 Add Darwin (Mac OS X kernel) native support.
1166 * config.gcc (powerpc-*-darwin*): Add native bits.
1167 * config/darwin.c: New file, generic Darwin support functions.
1168 * config/darwin.h: New file, generic Darwin definitions.
1169 * config/darwin-protos.h: New file, generic Darwin prototypes.
1170 * rs6000/darwin.h: New file, Darwin for PowerPC.
1171 * rs6000/t-darwin: New file, Darwin makefile fragment.
1172 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1173 (TARGET_MACHO): Ditto.
1174 (rs6000_abi): Add ABI_DARWIN.
1175 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1176 (RS6000_SAVE_AREA): Ditto.
1177 (FP_ARG_MAX_REG): Ditto.
1178 (RETURN_ADDRESS_OFFSET): Ditto.
1179 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1181 (rs6000_emit_move): Add ABI_DARWIN cases.
1182 (print_operand): Ditto.
1183 (first_reg_to_save): Ditto.
1184 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1185 (debug_stack_info): Ditto.
1186 (rs6000_emit_prologue): Ditto.
1187 (rs6000_emit_epilogue): Ditto.
1188 (output_profiler_hook): Ditto.
1189 (output_function_profiler): Ditto.
1190 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1191 (output_mi_thunk): Add TARGET_MACHO case.
1192 (add_compiler_stub): Ditto.
1193 (output_compiler_stub): Ditto.
1194 (no_previous_def): Ditto.
1195 (output_call): Ditto.
1196 (machopic_output_stub): Ditto.
1197 (rs6000_machopic_legitimize_pic_address): Ditto.
1198 (toc_section): Ditto.
1199 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1200 (macho_high): Ditto.
1203 (load_macho_picbase): Ditto.
1204 (call): Add TARGET_MACHO case to modify function.
1205 (call_value): Ditto.
1206 (call_nonlocal_sysv): Add ABI_DARWIN case.
1207 (call_value_nonlocal_sysv): Ditto.
1208 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1210 (machopic_output_stub): Ditto.
1211 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1213 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1215 * dwarf2out.c (modified_type_die): Don't create new types here.
1216 * tree.h (get_qualified_type): New function.
1217 (build_qualified_type): Adjust comment.
1218 * tree.c (get_qualified_type): New function.
1219 (build_qualified_type): Use it.
1221 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1223 * cpp.texi (-Wtraditional): Update description.
1225 * invoke.texi (-Wtraditional): Likewise.
1227 2001-04-11 Jim Wilson <wilson@redhat.com>
1229 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1230 requires more than 64 bits of alignment.
1232 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1234 * cpplib.c (do_line): Sanity check iff enable checking.
1236 2001-04-11 Richard Henderson <rth@redhat.com>
1238 * Makefile.in (insn-recog.o): Depend on toplev.h.
1239 (insn-emit.o, doloop.o): Likewise.
1240 * genrecog.c, genemit.c: Include toplev.h in generated file.
1241 * doloop.c: Include toplev.h.
1243 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1245 * Makefile.in (gcse.o): Depend on params.h.
1246 * gcse.c: Include params.h.
1247 (gcse_main): Don't do GCSE if doing so will take inordinate
1249 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1250 * params.h (MAX_GCSE_MEMORY): New macro.
1252 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1254 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1256 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1258 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1260 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1262 * real.h (ereal_atof, real_value_truncate, target_isnan,
1263 target_isinf, target_negative, assemble_real, debug_real): Delete
1264 redundant prototypes.
1266 * Makefile.in (ifcvt.o): Depend on toplev.h.
1268 * c-semantics.c: Include expr.h.
1270 * ifcvt.c: Include toplev.h.
1272 * expr.h (rtx_equal_p): Delete prototype.
1274 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1275 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1276 eliminate_constant_term, expand_complex_abs, find_single_use,
1277 make_tree, init_expr_once, init_optabs, supports_one_only):
1280 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1281 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1282 expand_assignment, store_expr, emit_line_note_after,
1283 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1285 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1287 * sparc-protos.h: Delete redundant prototypes.
1289 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1291 * reload.c (push_reload): Add condition missed in SUBREG byte
1294 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1296 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1298 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1300 * i386.md (floatsisf_sse): Fix output template
1301 * i386.c (ix86_expand_fp_movcc)
1303 * reg-stack.c (emit_pop_insn): Handle complex modes.
1304 (move_for_stack_reg): Emit proper move mode.
1305 (subst_stack_regs_pat): Handle complex modes.
1307 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1309 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1311 2001-04-10 Richard Henderson <rth@redhat.com>
1313 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1314 (__pure_virtual, __terminate, __terminate_set_func,
1315 __default_terminate, __throw_type_match, __empty,
1316 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1317 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1318 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1319 Remove prototypes of deleted functions.
1321 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1323 * c-typeck.c (convert_arguments): -Wtraditional now activates
1324 -Wconversion warnings, except for changes in signed-ness.
1325 Detect complex<->int & int<->complex conversions as well.
1327 * invoke.texi (-Wtraditional): Document it.
1329 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1331 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1332 * flow.c (set_block_for_new_insns): Remove needless cast and
1333 properly check for unset block number.
1335 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1337 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1338 the subreg was a hard register. Pseudos are left as subregs.
1340 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1342 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1343 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1344 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1345 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1346 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1348 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1350 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1352 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1354 * output.h (set_block_num): Missed it earlier, remove deprecated
1357 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1359 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1360 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1361 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1362 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1363 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1364 (expr_killed_p): Change bb parameter from int to basic_block, pass
1365 basic_blocks instead of ints as parameters.
1366 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1367 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1368 from int to basic_block, pass basic_blocks instead of ints as parms.
1369 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1370 parameter from int to basic_block, pass basic_blocks instead of ints.
1371 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1372 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1373 pass basic_blocks instead of ints.
1374 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1375 basic_blocks instead of ints as parameters.
1376 (pre_delete): Pass basic_blocks instead of ints as parameters.
1377 (hoist_expr_reaches_here_p): Change bb parameter from int to
1378 basic_block, pass basic_blocks instead of ints.
1379 (hoist_code): Pass basic_blocks instead of ints as parameters.
1380 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1381 Change bb parameter from int to basic_block.
1382 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1383 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1384 pass basic_blocks instead of ints.
1385 (insert_store): Pass basic_blocks instead of ints as parameters.
1386 (replace_store_insn, delete_store): Change bb parameter from int to
1387 basic_block, pass basic_blocks instead of ints.
1388 (store_motion): Pass basic_blocks instead of ints as parameters.
1390 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1392 * basic-block.h (set_new_block_for_insns): New Prototype.
1393 (set_block_num): Delete prototype.
1394 * flow.c (set_block_num): Remove obsolete function.
1395 (set_block_for_new_insns): Set BB for single or multiple insns.
1396 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1397 (process_insn_end_bb): Use set_block_for_new_insns or
1398 set_block_for_insn instead of set_block_num.
1399 (pre_insert_copy_insn): Use set_block_for_new_insns.
1400 (update_ld_motion_stores): Use set_block_for_new_insns.
1401 (insert_insn_start_bb): Use set_block_for_new_insns.
1402 (replace_store_insn): Use set_block_for_new_insns.
1404 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1405 Jeff Law <law@redhat.com>
1407 * alias.c (get_addr): Externalize.
1408 (canon_true_dependence): New function. Behaves like true_dependance
1409 except it already assumes a MEM has been canonicalized.
1410 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1411 * gcse.c (struct ls_expr): Add load/store expressions structure.
1412 (modify_mem_list, canon_modify_mem_list): New variable.
1413 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1414 load motion and store motion if requested.
1415 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1416 (free_gcse_mem): Free the modify_mem_list array.
1417 (oprs_unchanged_p): Use load_killed_in_block_p.
1418 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1419 (mems_conflict_for_gcse_p): New function. Don't kill loads
1420 with stores to themselves if its in the load/store expression list.
1421 (load_killed_in_block_p): New function.
1422 (canon_list_insert): New Function.
1423 (record_last_mem_set_info): Keep a list of all instructions which
1424 can modify memory for each basic block.
1425 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1426 (oprs_not_set_p): Use load_killed_in_block_p.
1427 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1428 (expr_killed_p): Use load_killed_in_block_p.
1429 (compute_transp): Do not pessimize memory references.
1430 (pre_edge_insert): Update stores for a load motion expression.
1431 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1432 (ldst_entry): Find or create a ldst_expr structure.
1433 (free_ldst_entry): Free memory for an individual item.
1434 (free_ldst_mems): Free entire load/store expression list.
1435 (print_ldst_list): Print debug info.
1436 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1437 (enumerate_ldsts): Assign integer values to each entry in list.
1438 (first_ls_expr): First expression in the list.
1439 (next_ls_expr): Next expression in the list.
1440 (simple_mem): Check if expression qualifies for ld/st expression list.
1441 (invalidate_any_buried_refs): Remove from expression list if its
1442 used in some other way we dont understand.
1443 (compute_ld_motion_mems): Find all potential enhanced load motion
1445 (trim_ld_motion_mems): Remove any expressions which are invalid.
1446 (update_ld_motion_stores): Copy store values to registers for loads
1447 which have been moved.
1448 (regvec, st_antloc, num_store): New global statics.
1449 (reg_set_info): Marks registers as set.
1450 (store_ops_ok): Verfies registers expressions are valid in a block.
1451 (find_moveable_store): Look for moveable stores in a pattern.
1452 (compute_store_table): Find stores in a function worth moving, maybe.
1453 (load_kills_store): Check dependance of a load and store.
1454 (find_loads): Find any loads in a pattern.
1455 (store_killed_in_insn): Check if a store is killed in an insn.
1456 (store_killed_after): Check is store killed after an insn in a block.
1457 (store_killed_before): Check is store killed before an insn in a block.
1458 (build_store_vectors): Generate the antic and avail vectors.
1459 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1460 (insert_store): Add a store to an edge.
1461 (replace_store_insn): Replace a store with a SET insn.
1462 (delete_store): Delete a store insn.
1463 (free_store_memory): Free memory.
1464 (store_motion): Perform store motion.
1465 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1466 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1467 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1468 (f_options): Add gcse-lm and gcse-sm.
1470 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1472 * i386.c (expand_fp_movcc): Fix condition reversal code.
1474 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1475 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1476 (CLASS_MAX_NREGS): Use it.
1478 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1479 handle properly complex values.
1480 (CLASS_MAX_NREGS): Likewise; update comment.
1482 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1484 * ia64.c (ia64_flag_schedule_insns2): New variable.
1485 (ia64_override_options): Initialize it. Clear
1486 flag_schedule_insns_after_reload.
1487 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1489 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1491 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1492 Do not require source to match destination anymore;
1493 Add abort to the nontrivial cases that should be handled by split.
1494 (fix_trunc?fdi): Add SSE case for x86_64.
1495 (floatdi?f): Likewise.
1496 (floatdi?f_sse): New.
1497 (fix_trunc?fdi_sse): New.
1499 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1501 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1502 (DEBUG_ARANGES_END_LABEL): Ditto.
1503 (dwarfout_init): Generate length and version fields at the start
1504 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1505 after the length field.
1506 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1507 the .debug_aranges info.
1509 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1511 * i386.c (call, call_value): Make sure that resulting call_insn
1512 does have proper second operand.
1514 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1516 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1517 function. Remove include of sys/cygwin.h.
1519 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1521 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1522 (CPP_SPEC): Always search */include/w32api for header files.
1523 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1524 (LINK_SPEC): Add "cyg" to the library search prefixes.
1526 2001-04-08 Philip Blundell <philb@gnu.org>
1528 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1530 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1532 * cpperror.c (print_location): Don't special case <stdin>.
1533 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1534 WARNING, but we don't check if we're in system headers.
1535 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1536 * cpplib.c (do_warning): Warn in system headers.
1538 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1540 * mbchar.c: Include config.h first.
1542 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1544 * config.gcc: Set default for xmake_file at top, not bottom.
1545 Change places that set xmake_file to "none" to set to the
1546 empty string instead, or remove them entirely if there is no
1547 default xmake_file for this cpu_type. Remove references to
1550 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1551 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1552 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1553 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1554 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1555 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1556 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1557 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1558 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1559 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1562 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1563 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1564 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1565 config/mips/x-sysv, config/rs6000/x-aix31:
1566 Just set CLIB to -lld or -lmld, as appropriate.
1568 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1569 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1570 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1571 config/mips/x-iris, config/pa/x-pa:
1572 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1573 OTHER_FIXINCLUDES_DIRS.
1575 * config/i386/x-djgpp: Don't set LN or LN_S.
1576 * config/m88k/x-dolph: Don't define __m88k__.
1577 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1578 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1579 * config/i860/fx2800.h: No need to #undef SVR4.
1581 38 x-host fragments remain, 2 x-cpu.
1583 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1585 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1587 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1589 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1591 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1593 * configure.in: Add check for lstat.
1594 * configure, config.in: Regenerate.
1595 * cppinit.c (append_include_chain): Make empty path ".".
1596 * cpplib.c (do_line): Don't simplify #line paths.
1597 * cppfiles.c (remove_component_p): New function.
1598 (find_or_create_entry): Acknowledge stat () errors during
1599 path simplification.
1600 (handle_missing_header): Don't simplify paths.
1601 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1602 the empty path untouched. Don't leave a trailing '/'.
1604 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1606 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1607 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1609 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1611 * cppfiles.c (open_file): Fail directories silently, but
1612 with an errno of NOENT set.
1613 (read_include_file): Move the common exit code to the sole
1614 caller. Return an int indicating success or failure. Let
1615 open_file handle directories.
1616 (stack_include_file): If read_include_file fails,
1617 push a "null" buffer.
1619 2001-04-05 DJ Delorie <dj@redhat.com>
1621 * function.h (virtuals_instantiated): Declare.
1622 * function.c: (virtuals_instantiated): Make global.
1623 * calls.c (emit_library_call_value_1): Use
1624 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1625 Otherwise, use the stack pointer directly.
1627 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1629 * i386.c (x86_initialize_trampoline): New global function.
1630 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1631 (INITIALIZE_TRAMPOLINE): Move offline.
1632 * i386-protos.h (x86_initialize_trampoline): Declare.
1634 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1636 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1637 (lea_0): Rename to lea_1.
1638 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1639 (lea_general_?): Allow SImodes on TARGET_64BIT
1640 (lea_general_?_zext): New patterns.
1641 (call_1, call_1_rex64): Fix.
1643 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1645 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1647 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1649 * i386.c (function_arg): Return constm1_rtx for last argument.
1650 (ix86_expand_prologue): Update gen_call calls.
1651 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1652 * i386.md (call_pop): Likewise.
1653 (call): Second operand is VOIDmode.
1654 (call_0): Likewise; Support 64bits.
1655 (call_exp): New expander.
1656 (call_1): Get to the sync.
1657 (call_1_exp): New pattern.
1658 (call_value): Support 64bit.
1659 (call_value_exp): New pattern.
1660 (untyped_call): Update gen_call call.
1661 (call_value_pop): Disable for 64bit.
1662 (call_value_0_rex64): New pattern.
1663 (call_value_1_rex64): Likewise.
1665 2001-04-05 Bo Thorsen <bo@suse.de>
1667 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1669 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1671 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1672 satisfies ANY_QI_REG_P.
1674 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1676 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1679 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1682 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1684 * config.gcc: Remove default for xm_file. Clean up local
1685 machine type handling. Remove settings of xm_file to
1686 something that doesn't exist. In the big switch, set xm_file,
1687 don't append to it (the value before the big switch is always
1688 null). Don't force build_xm_file or host_xm_file to have a value.
1689 * configure.in: Remove default for xm_file. Do not special
1690 case $cpu/xm-$cpu.h not existing.
1691 * configure: Regenerate.
1693 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1695 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1696 when folding integer division and modulo operations.
1698 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1700 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1701 instead of DWARF2_ADDR_SIZE for EH addresses.
1702 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1705 2001-04-04 Richard Henderson <rth@redhat.com>
1707 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1708 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1709 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1711 2001-04-04 Richard Henderson <rth@redhat.com>
1713 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1714 * configure: Rebuilt.
1716 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1718 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1719 push insns to delete to it instead of deleting them.
1720 (delete_null_pointer_checks): Delete insns from delete_list after
1721 all delete_null_pointer_checks_1 passes are done.
1723 2001-04-04 Richard Henderson <rth@redhat.com>
1725 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1726 * configure: Rebuilt.
1728 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1730 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1731 * config/romp/xm-romp.h: Delete.
1733 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1735 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1738 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1740 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1741 all labels present in rtx.
1742 (try_split) Call new function for all split insns.
1744 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1746 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1747 sure the change won't be validated.
1749 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1751 * rtl.h (set_noop_p): Declare.
1752 * flow.c (set_noop_p): Move from here ...
1753 * rtlanal.c (set_noop_p): ... to here and enhance.
1754 * cse.c (delete_trivially_dead_insns): Use it.
1755 * gcse.c (hash_scan_set): Likewise.
1756 * jump.c (delete_noop_moves): Likewise.
1757 * recog.c (split_all_insns): Likewise.
1759 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1761 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1762 stack pointer via a LO_SUM. Ditto for setting a temp register
1763 used to save to the stack. Set cfa_temp when setting fp, and
1764 allow matches to cfa_temp in addition to cfa_store when saving
1765 regs. Handle POST_INC and LO_SUM register stores. Document the
1766 changes and errors in rule 12 doco.
1768 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1769 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1770 (load_reg): Move closer to epilogue code.
1771 (DO_FRAME_NOTES): Define to control the following..
1772 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1773 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1775 (hppa_expand_epilogue): Likewise.
1777 2001-04-03 Richard Henderson <rth@redhat.com>
1779 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1780 * configure: Rebuild.
1782 2001-04-03 Richard Henderson <rth@redhat.com>
1784 * rtl.h (LCT_THROW): New.
1785 * calls.c (emit_library_call_value_1): Handle it.
1786 * except.c (connect_post_landing_pads): Use it.
1788 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1790 * gansidecl.h: Delete file.
1791 * configure.in: Change all refs to gansidecl.h to use
1792 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1794 * configure: Regenerate.
1796 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1797 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1798 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1799 Don't include gansidecl.h.
1800 * intl.c, main.c, version.c, fixinc/fixlib.h,
1801 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1804 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1806 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1809 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1811 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1812 config/i386/xm-next.h, config/i386/xm-sco.h,
1813 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1814 config/m88k/xm-m88k.h: Delete.
1816 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1817 * config/romp/xm-romp.h: Don't define bcopy.
1818 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1819 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1821 * config.gcc: Remove references to deleted files.
1823 14 xm-host.h remain, 1 xm-cpu.h.
1825 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1826 David S. Miller <davem@pierdol.cobaltmicro.com>
1827 Andrew MacLeod <amacleod@redhat.com>
1829 Use byte offsets in SUBREGs instead of words.
1831 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1832 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1833 to pass new argument.
1834 (add_stored_regs): Use subreg_regno_offset function.
1835 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1837 (precompute_arguments): Use gen_lowpart_SUBREG.
1838 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1839 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1840 (simplify_set): Rework to use SUBREG_BYTE.
1841 (expand_field_assignment): Use SUBREG_BYTE.
1842 (make_extraction): Use SUBREG_BYTE.
1843 (if_then_else_cond): Use SUBREG_BYTE.
1844 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1845 (gen_lowpart_for_combine): Compute full byte offset.
1846 * cse.c (mention_regs): Use SUBREG_BYTE.
1847 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1848 (canon_hash): Use SUBREG_BYTE.
1849 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1850 (gen_lowpart_if_possible): Formatting.
1851 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1853 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1854 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1855 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1856 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1857 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1858 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1859 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1860 certain invariants about SUBREGs the compiler creates.
1861 (gen_lowpart_SUBREG): New function.
1862 (subreg_hard_regno): New function to get the final register number.
1863 (gen_lowpart_common): Use SUBREG_BYTE.
1864 (gen_imagpart): Spacing nits.
1865 (subreg_realpart_p): Use SUBREG_BYTE.
1866 (gen_highpart): Use SUBREG_BYTE.
1867 (subreg_lowpart_p): Always compute endian corrected goal offset,
1868 even at the byte level, then compare against that.
1869 (constant_subword): New function, pulled out all constant cases
1870 from operand_subword and changed second argument name to offset.
1871 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1872 and call constant_subword to do the work. Return const0_rtx if
1873 looking for a word outside of OP.
1874 (operand_subword_force): Change second arg name to offset.
1875 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1876 (store_split_bit_field): Use SUBREG_BYTE.
1877 (extract_bit_field): Use SUBREG_BYTE.
1878 (extract_split_bit_field): Use SUBREG_BYTE.
1879 (expand_shift): Use SUBREG_BYTE.
1880 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1881 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1882 * flow.c (set_noop_p): Use SUBREG_BYTE.
1883 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1884 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1885 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1887 (optimize_bit_field): Use SUBREG_BYTE.
1888 (purge_addressof_1): Use SUBREG_BYTE.
1889 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1890 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1891 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1892 * gengenrtl.c (special_rtx): Add SUBREG.
1893 * global.c (mark_reg_store): Use SUBREG_BYTE.
1894 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1895 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1896 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1897 final byte offset is congruent to subreg's mode size.
1898 (subst_constants): Use SUBREG_BYTE.
1899 (mark_stores): Use subreg_regno_offset function.
1900 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1901 function and SUBREG_BYTE.
1902 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1903 (reg_is_born): Use subreg_hard_regno.
1904 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1905 endian correction code. Don't combine subregs unless resulting
1906 offset aligns with type. Fix subreg constant extraction for DImode.
1907 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1908 (general_operand): Remove dead mode_altering_drug code.
1909 (indirect_operand): Use SUBREG_BYTE.
1910 (constrain_operands): Use subreg_regno_offset function.
1911 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1912 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1913 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1914 * regs.h (REG_SIZE): Allow target to override.
1915 (REGMODE_NATURAL_SIZE): New macro which target can override.
1916 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1917 on the entire subreg rtx.
1918 (push_reload): Use SUBREG_BYTE in comments and code.
1919 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1920 for hard registers inside subregs.
1921 (operands_match_p): Use subreg_regno_offset.
1922 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1923 containing hard regs.
1924 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1925 corrections when fixing up MEM subregs.
1926 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1927 subreg_regno_offset where appropriate.
1928 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1929 byte endian corrections when fixing up MEM subregs.
1930 (subst_reloads): When combining two subregs, make sure final
1931 offset is congruent to subreg's mode size.
1932 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1933 (refers_to_regno_for_reload_p): Use subreg_regno.
1934 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1935 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1936 correction code for memory subreg fixups.
1937 (forget_old_reload_1): Use subreg_regno_offset.
1938 (choose_reload_regs): Use subreg_regno.
1939 (emit_input_reload_insns): Use SUBREG_BYTE.
1940 (reload_combine_note_store): Use subreg_regno_offset.
1941 (move2add_note_store): Use subreg_regno_offset.
1942 * resource.c (update_live_status, mark_referenced_resources): Use
1943 subreg_regno function.
1944 (mark_set_resources): Use subreg_regno function.
1945 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1946 (subreg_regno_offset, subreg_regno): Define prototypes.
1947 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1948 (gen_lowpart_SUBREG): Add prototype.
1949 * rtl.texi (subreg): Update to reflect new byte offset representation.
1950 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1951 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1952 (reg_overlap_mentioned_p): Use subreg_regno.
1953 (replace_regs); Make sure final offset of combined subreg is
1954 congruent to size of subreg's mode.
1955 (subreg_regno_offset): New function.
1956 (subreg_regno): New function.
1957 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1958 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1959 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1960 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1961 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1962 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1963 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1964 (print_operand): Use SUBREG_BYTE.
1965 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1966 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1967 (arm_reload_out_hi): Use SUBREG_BYTE.
1968 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1969 instead of SUBREG_WORD.
1970 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1971 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1972 SUBREG creation to use byte offset.
1973 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1974 inverted load insns): Fix explicit rtl subregs to use byte
1976 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1977 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1978 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1979 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1980 to use byte offsets.
1981 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1982 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1983 offsets, also make sure it is congruent to SUBREG's mode size.
1984 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1985 unnamed ldob insn): Generate SUBREGs with byte offset.
1986 (zero_extendqihi2): SUBREG's are byte offsets.
1987 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1988 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1989 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1990 zero-extendqisi2): Generate SUBREGs with byte offset.
1991 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1992 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1993 subregs in rtl to use byte offsets.
1994 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1995 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1996 (mips_move_2words): Use subreg_regno_offset.
1997 (mips_secondary_reload_class): Use subreg_regno_offset.
1998 * config/mips/mips.md (DImode plus, minus, move, and logical op
1999 splits): Fixup explicit subregs in rtl to use byte offsets.
2000 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2001 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2002 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2003 rtl to use byte offsets.
2004 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2005 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2006 subregs to use byte offsets.
2007 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2008 Fixup explicit subregs in rtl to use byte offsets.
2009 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2010 and remove byte endian correction code.
2011 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2012 (gen_ashift_hi): Use SUBREG_BYTE.
2013 (regs_used): Use subreg_regno_offset.
2014 (machine_dependent_reorg): Use subreg_regno_offset.
2015 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2016 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2017 (movdf_i4): Subregs are byte offsets now.
2018 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2019 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2020 (REGMODE_NATURAL_SIZE): Override.
2021 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2022 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2024 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2025 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2026 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2027 it is congruent to SUBREG's mode size.
2028 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2030 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2031 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2032 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2033 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2034 * config/v850/v850.c (print_operand, output_move_double): Use
2035 subreg_regno function.
2037 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2039 * configure.in (target_subdir): Use target_alias, not target.
2040 * configure: Rebuilt.
2042 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2044 * config/sh/crti.asm: Fix typos in comments.
2046 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2048 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2049 TARGET_FAST_INDIRECT_CALLS.
2050 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2052 (return_addr_rtx): Short circuit export stub matching when
2053 TARGET_NO_SPACE_REGS.
2054 (output_millicode_call): For out of range calls, make -fPIC
2055 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2056 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2057 * pa.md: Modify length attr calculation of all millicode insns to
2060 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2062 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2063 Require at least 2.11 in the version test. Specifically check
2064 for and reject GAS version 2.10.90.
2065 * configure: regenerate.
2067 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2069 * pa.c (override_options): Remove PIC profiling warning.
2070 (hp_profile_labelno): Delete.
2071 (hp_profile_label_rtx): Delete.
2072 (hp_profile_label_name): Delete.
2073 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2074 (output_function_prologue): Remove profiling code and all tests on
2075 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2076 merge_sp_adjust_with_store can work for PIC and profiling.
2077 (hppa_expand_epilogue): Remove profile_flag test.
2078 (hppa_can_use_return_insn_p): Likewise.
2079 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2080 cater for PROFILE_HOOK.
2081 (hppa_profile_hook): New function.
2082 * pa.h (FUNCTION_PROFILER): Now does nothing.
2083 (PROFILE_HOOK): Define.
2084 (hppa_profile_hook): Declare.
2085 (PROFILE_BEFORE_PROLOGUE): Delete.
2086 (ASM_OUTPUT_REG_PUSH): Delete.
2087 (ASM_OUTPUT_REG_POP): Delete.
2088 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2089 r24. Accept function name operand, and use this and a locally
2090 generated label to calculate pc-rel offset to func start.
2092 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2094 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2095 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2098 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2100 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2101 LO_SUM cases to where they belong.
2103 2001-04-02 Richard Henderson <rth@redhat.com>
2105 * except.h (lang_eh_type_covers): Mark extern.
2106 (lang_eh_runtime_type): Likewise.
2108 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2110 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2111 gengenrtl.c: Wrap generated header in multiple-include guard.
2112 Improve error checking.
2114 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2116 * configure.in: Don't check for putenv.
2117 * configure: Regenerate.
2118 * gcc.c (putenv): Don't define.
2119 * vax/xm-vms.h: Handle putenv.
2121 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2123 * ifcvt.c (noce_emit_move_insn): New.
2124 (noce_try_store_flag, noce_try_store_flag_constants,
2125 noce_try_store_flag_inc, noce_try_store_flag_mask,
2126 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2127 noce_try_abs): Use it.
2128 (noce_process_if_block): Likewise.
2129 For STRICT_LOW_PART, take mode from its SUBREG.
2131 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2133 * fold-const.c (fold): Before optimizing unsigned comparison with
2134 0x7fffffffU, make sure arg0 is integral type.
2136 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2138 * c-tree.texi: Document representation of wide strings.
2140 2001-04-01 Richard Henderson <rth@redhat.com>
2142 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2144 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2146 * i386.md: remove obsoleted comments.
2147 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2148 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2149 fix output template.
2151 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2153 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2155 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2157 * loop.c (load_mems): When generating a load from a pseudo, update
2160 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2162 * i386.c (ix86_split_long_move): Use change address to compensate
2163 stack pointer change in push instruction.
2165 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2167 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2168 instead of rtx_equal_p; fix the output template.
2170 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2172 * i386.c (ix86_expand_setcc): Support 64bit.
2173 (ix86_expand_int_movcc): Likewise.
2174 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2177 * i386.md (allocate_stack_worker): Turn to expander.
2178 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2180 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2182 2001-03-29 Richard Henderson <rth@redhat.com>
2184 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2186 2001-03-28 Matthew Hiller <hiller@redhat.com>
2188 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2191 * MAINTAINERS: Added self.
2193 2001-03-28 Richard Henderson <rth@redhat.com>
2195 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2196 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2198 2001-03-28 Jim Wilson <wilson@redhat.com>
2200 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2203 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2205 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2207 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2210 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2212 2001-03-28 DJ Delorie <dj@redhat.com>
2214 * Makefile.in (stage1_build): Revert CFLAGS patch.
2216 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2218 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2219 when multiplier or multiplicand is zero.
2221 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2223 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2225 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2227 (set_src_needs_barrier): Likewise.
2228 (rtx_needs_barrier): For SET case, use these two functions. Rework
2229 PARALLEL case to handle all inputs before all outputs.
2230 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2231 saw a label and no stop bit since then.
2232 (maybe_rotate, process_epilogue): Add prototypes.
2234 2001-03-28 Richard Henderson <rth@redhat.com>
2236 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2237 not TARGET_TOC for special toc restore handling.
2238 * config/rs6000/rs6000.md (eh_return): Likewise.
2240 2001-03-28 Richard Henderson <rth@redhat.com>
2242 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2243 current_function_calls_eh_return.
2244 (output_function_epilogue): Handle eh_return.
2245 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2246 (EH_RETURN_DATA_REGNO): New.
2247 (EH_RETURN_STACKADJ_RTX): New.
2248 (EH_RETURN_HANDLER_RTX): New.
2249 * config/sparc/sparc.md (call/short branch peepholes): Check
2250 can_throw_internal instead of in_same_eh_region.
2252 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2253 for eh_return data registers.
2254 (rs6000_emit_prologue): Save eh_return data registers.
2255 (rs6000_emit_epilogue): Force inline restores if eh_return.
2256 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2257 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2258 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2259 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2260 the target uses one.
2261 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2262 (return_eh_si, return_eh_di): Remove.
2263 (eh_return): New, from corpse of eh_epilogue.
2264 (eh_set_lr_si, eh_set_lr_di): New.
2266 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2267 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2268 True for pic register if current_function_calls_eh_return.
2269 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2270 Handle eh_return requirements.
2271 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2272 (EH_RETURN_STACKADJ_RTX): New.
2273 * config/i386/i386.md (exception_receiver): Remove.
2274 (eh_return, eh_return_1): New.
2275 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2277 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2278 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2279 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2280 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2281 (EH_RETURN_DATA_REGNO): New.
2282 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2283 * config/alpha/alpha.md (eh_epilogue): Remove.
2284 (exception_receiver): Use $26 for ldgp input.
2285 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2287 2001-03-28 Richard Henderson <rth@redhat.com>
2289 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2290 * except.h: Likewise.
2292 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2293 (LIB2ADDEHDEP): New.
2294 (LIB2FUNCS_EH): Remove.
2295 (LIB2ADD): Remove LIB2ADDEH.
2296 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2297 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2298 (crt{begin,end}[S].o): Likewise.
2299 (except.o): Update includes.
2300 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2301 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2303 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2304 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2305 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2306 * builtins.c (expand_builtin): Implement it.
2307 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2308 * c-common.c (c_common_nodes_and_builtins): Declare it.
2309 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2310 * calls.c (libfunc_nothrow): Remove.
2311 (emit_library_call_value_1): Don't call it.
2312 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2313 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2314 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2315 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2316 (current_funcdef_number): Globalize.
2317 (output_call_frame_info): Emit frame data if an lsda is needed.
2318 Generate augmentation for personality routine. Don't play with
2320 (dwarf2out_begin_prologue): Record funcdef_number.
2321 * dwarf2out.h (current_funcdef_number): Declare.
2322 * expr.c (expand_expr): Update for except.h name changes.
2323 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2324 * expr.h (LTI_throw, LTI_rethrow): Remove.
2325 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2326 (LTI_eh_rtime_match): Remove.
2327 (LTI_unwind_resume, LTI_eh_personality): Add.
2328 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2329 * final.c (final): Don't call check_exception_handler_labels,
2330 init_insn_eh_region, or free_insn_eh_region.
2331 (final_scan_insn): Always emit debug labels for
2332 NOTE_INSN_EH_REGION notes.
2333 * flags.h (flag_new_exceptions): Remove.
2334 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2335 (record_active_eh_regions): Remove.
2336 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2337 Use can_throw_internal.
2338 (find_basic_blocks_1): Likewise.
2339 (move_stray_eh_region_notes): Remove.
2340 (find_label_refs): No eh_return_stub_label.
2341 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2342 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2344 (delete_unreachable_blocks): Don't track deleted handlers.
2345 (flow_delete_block): Use maybe_remove_eh_handler.
2346 (delete_eh_regions): Remove.
2347 (merge_blocks): Don't check for eh region match.
2348 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2349 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2350 (init_propagate_block_info): Disable dead frame store optimization
2351 when current_function_calls_eh_return.
2352 (dump_bb): Don't print eh_beg, eh_end.
2353 * function.c (fixup_var_refs): No catch_clauses.
2354 (expand_function_end): Likewise. Call expand_eh_return before
2355 the return register use. Call sjlj_emit_function_exit_after.
2356 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2357 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2358 * ifcvt.c (dead_or_predicable): Remove eh region check.
2359 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2360 Don't check for EH vs parameters.
2361 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2362 (expand_inline_function): Call duplicate_eh_regions.
2363 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2364 (copy_insn_notes): Remap REG_EH_REGION notes.
2365 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2366 * integrate.h (struct inline_remap): Add local_return_label.
2367 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2368 check_exception_handler_labels, nor exception_optimize.
2369 (find_cross_jump): No EH region check.
2370 * optabs.c (init_optabs): Update for changed eh libfuncs.
2371 * rtl.def (RESX): New.
2372 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2373 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2374 checks. Update for except.h name changes.
2375 (expand_cleanups): Likewise.
2376 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2377 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2378 (compile_file): Call init_eh before init_optabs. Don't
2379 output_exception_table here.
2380 (rest_of_compilation): Call convert_from_eh_region_ranges,
2381 convert_to_eh_region_ranges, output_function_exception_table.
2382 Don't emit_eh_context.
2383 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2384 (EXC_PTR_EXPR): New.
2386 * md.texi (eh_epilogue): Remove.
2387 (eh_return): Document.
2388 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2389 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2391 * eh-common.h: Remove file.
2392 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2393 * libgcc2.c (L_eh): Remove.
2395 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2396 * unwind-dw2-fde.h: New file.
2397 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2398 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2399 * libgcc-std.ver: Update for eh symbols.
2401 2001-03-27 Richard Henderson <rth@redhat.com>
2403 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2404 reduce false positives.
2405 (regmove_optimize): Disable if flag_non_call_exceptions.
2407 * stmt.c (expand_return): Remove always true predicate.
2408 (expand_decl_cleanup_no_eh): Remove dead code.
2410 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2411 barrier code. Add a scheduling barrier if a non-call insn
2412 can throw internally.
2414 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2415 Auto-inc addresses trap only if their base register does.
2417 * except.c (can_throw_internal): Rename from can_throw.
2418 * except.h, resource.c: Update references.
2420 * integrate.c (copy_insn_list): Use returnjump_p.
2421 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2423 * function.h (struct function): Move all boolean valued fields
2424 to single bit fields at the end of the struct.
2426 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2428 Rename asynchronous_exceptions to flag_non_call_exceptions.
2430 * gthr-single.h (UNUSED): New. Distinguish between how C
2431 and C++ mark unused function arguments. Use throughout.
2433 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2434 value to target configuration header.
2435 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2436 * config.in, configure: Rebuild.
2437 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2438 configuration and target defines.
2439 (exceptions_via_longjmp): Remove.
2440 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2441 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2443 * except.h (flag_non_call_exceptions): Move ...
2444 * flags.h: ... here.
2446 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2447 exceptions, put the note on the trapping instruction.
2449 * flags.h (flag_new_exceptions): Remove.
2450 * toplev.c: Don't set it.
2451 * final.c: Don't check it.
2452 * except.c: Provide stub definition.
2454 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2455 (calculate_global_regs_live): Kill call-clobbered registers
2456 across exception edges.
2457 * reg-stack.c (convert_regs_1): Kill the entire target stack
2458 across non-call exception edges.
2460 * flow.c (cleanup_cfg): Take no argument.
2461 * output.h, sibcall.c, toplev.c: Update all calls.
2463 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2465 * configure.in: Don't check for bcopy.
2466 * configure, config.in: Regenerate.
2468 * system.h: Don't define or prototype bcopy, instead poison it.
2470 2001-03-27 Richard Henderson <rth@redhat.com>
2472 * function.c (expand_function_start): Set DECL_REGISTER on
2473 a pseudo used for DECL_RESULT.
2475 * rtl.h (LCT_NORETURN): New.
2476 * calls.c (emit_library_call_value_1): Handle it.
2478 2001-03-27 Stan Shebs <shebs@apple.com>
2480 * objc/objc-act.c (objc_init): Use dump_base_name.
2481 (gen_declaration): Clear the buffer arg.
2482 (gen_declaration_1): New function, body of gen_declaration.
2483 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2484 (gen_method_decl): Ditto, plus always clear buffer arg.
2485 (error_with_ivar): Simplify.
2486 (warn_with_method): Ditto.
2487 (build_message_expr): Don't clear buffers.
2488 (dump_interface): Ditto.
2489 (objc_debug): Ditto.
2490 (build_keyword_selector): Clear the buffer by only zeroing
2492 (objc_implementation_context): Declare.
2493 (start_class): Warn about missing @end.
2494 (finish_objc): Ditto.
2496 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2498 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2500 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2502 * Makefile.in (SYSTEM_H): Define.
2503 Depend on $(SYSTEM_H), not system.h.
2505 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2507 2001-03-27 Jim Wilson <wilson@redhat.com>
2509 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2511 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2512 (process_epilogue): New static function.
2513 (process_set): Call process_epilogue instead of emitting .restore
2515 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2517 * flow.c (struct reg_cond_life_info): New fields orig_condition
2519 (init_propagate_block_info): Set new fields.
2520 (mark_regno_cond_dead): Set and use new fields.
2521 (flush_reg_cond_reg_1): Likewise.
2522 (and_reg_cond, case AND): Check for redundant AND conditions.
2523 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2526 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2528 * cppmacro.c (stringify_arg): Null terminate strings.
2530 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2532 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2533 inclusion style. xm-m68hc11.h no longer exists.
2534 * config/m68hc11/xm-m68hc11.h: Delete file.
2535 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2537 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2538 Don't define GCC_VERSION, N_, or PARAMS; don't include
2539 gansidecl.h or stdio.h. Define inhibit_libc here.
2540 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2541 Delete code conditioned on #if GCC_VERSION == 2095.
2543 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2544 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2545 Delete code conditioned on #if GCC_VERSION == 2095.
2547 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2549 * system.h: Include symcat.h.
2550 (STRINGIFY): Don't define.
2552 * configure.in: Adjust comment.
2554 * builtins.c: Use STRINGX, not STRINGIFY.
2555 * gencheck.c: Likewise.
2556 * gengenrtl.c: Likewise.
2557 * protoize.c: Likewise.
2559 * cpplex.c: Don't include symcat.h.
2560 * cpplib.c: Likewise.
2562 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2564 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2566 * c-typeck.c (digest_init): Fold init expression.
2568 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2570 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2572 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2574 * except.c (eh_regs): Save results of build_pointer_type to a temp
2575 as FUNCTION_VALUE macro may evaluate its args multiple times.
2577 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2579 * c-common.h (DECL_NUM_STMTS): New macro.
2580 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2582 (pushdecl): Likewise.
2583 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2584 * integrate.c (expand_inline_function): Don't check
2586 * print-tree.c (print_node): Don't print it.
2587 * toplev.c (rest_of_compilation): Don't try to inline when
2588 flag_no_inline is on.
2589 * tree.h (DECL_FRAME_SIZE): Remove.
2590 (tree_decl): Adjust accordingly.
2592 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2594 * combine.c (try_combine): Use memcpy, not bcopy.
2596 * genattrtab.c (expand_units): Likewise.
2598 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2600 * i386.md (push mem DI peep2): New.
2601 (mov 0, mov -1 peep2): Handle 64bit.
2602 (lea to arithmetics peep2): Handle 64bit leas.
2603 (rsp arithmetics to push/pop peep2s): New.
2605 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2607 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2609 * i386.c (struct machine_function): Add save_varrargs_registers.
2610 (ix86_save_varrargs_registers): New macro.
2611 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2612 (ix86_expand_prologue): Likewise.
2613 (ix86_emit_epilogue_esp_adjustement): Likewise.
2614 (ix86_expand_epilogue): Likewise.
2615 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2616 (pro_epilogue_adjust_stack_1): New insn.
2617 (pro_epilogue_adjust_stack_rex64): Likewise.
2618 * i386.h (MASK_NO_RED_ZONE): New constant.
2619 (TARGET_RED_ZONE): New macro.
2620 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2621 (RED_ZONE_SIZE): New constant.
2622 (RED_ZONE_RESERVE): New constant.
2624 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2626 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2628 2001-03-25 Kazu Hirata <kazu@hxi.com>
2630 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2633 (umodhi3): Likewise.
2636 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2638 * mkconfig.sh (DEFINES): Handle entries with '='.
2640 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2641 Set xm_defines to MACRO=value instead.
2643 * i370/xm-mvs.h: Delete.
2645 * ns32k/xm-pc532-min.h: Likewise.
2647 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2649 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2651 use ix86_expand_binary_operator
2652 (?sh??i_?): Disable for 64bit.
2653 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2654 * i386.c (shiftdi_operand): New predicate.
2656 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2657 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2658 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2659 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2660 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2661 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2662 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2663 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2664 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2665 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2666 (rotldi3, rotrdi3): New expanders.
2668 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2670 * i386.md (movstrsi): Move offline.
2672 (strmovdi_rex64): New.
2673 (strmov?i): Accept 64bit.
2674 (strmov?i_rex64): New.
2675 (strmov?i_rex_1): New.
2676 (strmov?i_1): Disable for 64bit.
2677 (rep_mov?i_rex64): New.
2678 (rep_mov?i): Disable for 64bit.
2679 (clrstrsi): Move offline.
2680 (strset?i_rex64): New.
2681 (strset?i: Accept 64bit.
2682 (rep_stos?i): Disable for 64bit.
2683 (rep_stos?i_rex64): New.
2684 (strset?i_rex_1): New.
2685 (strset?i_1): Disable for 64bit.
2686 (cmpstrsi): Accept 64bit.
2687 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2688 (cmpstrqi_nz_rex_1): New.
2689 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2690 (strlensi): Move offline.
2692 (strlenqi_1): Disable for 64bit; fix constraints.
2693 (strlenqi_rex_1): New.
2694 * i386.c (ix86_adjust_counter): New static function.
2695 (ix86_zero_extend_to_Pmode): Likewise.
2696 (ix86_expand_aligntest): Likweise.
2697 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2698 (ix86_expand_movstr): New global function.
2699 (ix86_expand_clrstr): New global function.
2700 (ix86_expand_strlen): New global function.
2701 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2702 ix86_expand_strlen): Declare.
2703 (ix86_expand_strlensi_unroll_1): Delete.
2705 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2707 * i386.md (cmpdi): Fix operand predicates.
2708 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2709 cmpdi_1_insn_rex64): New patterns.
2710 (adddi3): Turn to expander.
2711 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2712 (addsi3_carry_zext): New pattern.
2713 (adddi_?_rex64): New patterns and splitters.
2714 (addsi_?_zext): New patterns.
2715 (subsi3_carry_zext): New pattern.
2716 (subdi_?_rex64): New patterns and splitters.
2717 (iorsi_?_zext): New patterns.
2718 (iordi_?_rex64): New patterns and splitters.
2719 (iorsi_?_zext): New patterns.
2720 (iorsi_?_zext_imm): New patterns.
2721 (xorsi_?_zext): New patterns.
2722 (xordi_?_rex64): New patterns and splitters.
2723 (xorsi_?_zext): New patterns.
2724 (negdi*): New patterns.
2725 (one_cmpldi*): Likewise.
2726 (one_cmplsi*_zext, negsi*_zext): Likewise.
2727 (testqi_ext_3_rex64): New pattern.
2729 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2731 * i386-protos.h (ix86_split_long_move): Return void.
2732 * i386.c (ix86_split_to_parts): Handle 64bit target.
2733 (ix86_split_long_move): Likewise.
2734 * i386.md (all calls to ix86_split_long_move): Update.
2736 2001-03-23 Richard Henderson <rth@redhat.com>
2738 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2739 to avoid shadowing arguments.
2741 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2743 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2744 to variable names where DECL_NAME is different from
2745 DECL_ASSEMBLER_NAME.
2747 2001-03-23 Jim Wilson <wilson@redhat.com>
2749 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2750 (assemble_alias): Call make_decl_rtl.
2752 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2754 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2756 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2758 * extend.texi: Document the "java_interface" attribute.
2760 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2762 * mkconfig.sh: Use a subshell with redirected stdout,
2763 instead of closing stdout and confusing commands that run
2764 afterward. Throw away output of cmp.
2766 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2768 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2770 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2772 * i386.md (zero_extendsidi2_32): Break out from ...
2773 (zero_extendsidi2): ... here ; turn to expander.
2774 (zero_extendsidi2_rex64): New.
2775 (extendsidi2_32): Break out from ...
2776 (extendsidi2): ... here ; turn to expander.
2777 (extendsidi2_rex64): New.
2778 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2779 (trunc?f?f splitters): Add 64bit versions.
2781 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2783 * i386.md (pushsi, pushsi2_prologue): Disable.
2784 (pushsi2_rex64): New.
2785 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2786 (movqi_ext_1): Disable for 64bit.
2787 (movqi_ext_1_rex64): New.
2788 (pushdi2_rex64): New pattern, peep2s and splitter.
2789 (pushdi2_prologue_rex64): New pattern.
2790 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2792 (movdi splitters): Disable for 64bit.
2793 (movdi_1_rex64): New pattern, peep2s and splitters.
2794 (swapdi): New pattern.
2795 (pushsf): Disable for 64bit.
2796 (pushsf_rex64): New pattern and splitter.
2797 (pushdf_nointeger): Disable for 64bit.
2798 (pushdf_integer): Handle the 64bit case.
2799 (pushtf): Likewise; update splitters.
2801 2001-03-22 Richard Henderson <rth@redhat.com>
2803 * mkconfig.sh: Include insn-flags.h.
2804 * Makefile.in (CONFIG_H): Include insn-flags.h.
2805 (lots of objects): Remove insn-codes.h and insn-flags.h.
2807 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2808 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2809 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2810 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2811 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2812 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2813 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2814 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2815 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2816 v850/v850.c, vax/vax.c:
2817 Don't include insn-flags.h.
2819 * diagnostic.c, expr.h, reload.c, toplev.c:
2820 Don't include insn-codes.h.
2822 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2823 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2824 c4x/c4x.c, i960/i960.c, mips/mips.c:
2825 Don't include insn-codes.h or insn-flags.h.
2827 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2828 or insn-flags.h in the generated code.
2829 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2830 (main): Forward declare struct rtx_def.
2832 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2834 * invoke.texi (-ffast-math): Remove duplicate line about
2837 * gcc.texi: Remove more obsolete documentation of bugs and
2838 installation problems.
2840 2001-03-21 Kazu Hirata <kazu@hxi.com>
2842 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2845 2001-03-20 Jason Merrill <jason@redhat.com>
2847 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2849 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2850 * varasm.c (CHKR_PREFIX): Likewise.
2852 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2854 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2855 is part of a multi-SET insn.
2857 * cse.c (find_comparison_args): Remove previous change.
2858 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2861 * config/i386/i386.md (conditional_trap): Remove warning.
2863 * recog.c (push_operand): Fix error in last change that caused
2864 undefined symbol on many targets.
2866 * sdbout.c: #include ggc.h.
2867 (sdbout_init): Move to end of file.
2868 Call ggc_add_tree_root for anonymous_types.
2869 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2870 (sdbout_one_type): Use DECL_NAME for field name.
2871 * Makefile.in (sdbout.o): Show includes ggc.h.
2873 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2875 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2876 (override_options): Use properlimits for preferred_stack_boundary.
2877 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2879 (ext_register_operand): Accept DImode.
2880 (load_pic_register): Abort on 64bit.
2881 (gen_push): Use Pmode instead of SImode.
2882 (ix86_save_reg): Pic reg is never used on 64bit.
2883 (ix86_expand_prologue): Likewise.
2884 (ix86_emit_save_regs): Use Pmode instead of SImode.
2885 (legitimate_address_p): Check displacement for 64bit.
2886 (print_operand): Avoid outputting of (%rip) on 64bit.
2887 (print_operand_address): Output (%rip) where possible.
2888 (split_di): Abort on 64bit registers.
2889 (ix86_expand_branch): DImode comparison is simple for x86_64.
2890 (memory_address_length): Recognize memory addresses formed using
2892 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2894 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2896 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2898 * recog.c (push_operand): Recognize new format of push instructions.
2900 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2902 * i386.md (pushqi1): New.
2903 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2904 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2905 x86_64_immediate_operand, x86_64_immediate_operand,
2906 x86_64_zext_immediate_operand): Declare.
2907 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2908 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2909 x86_64_immediate_operand, x86_64_immediate_operand,
2910 x86_64_zext_immediate_operand): define.
2911 * i386.h (PREDICATE_CODES): Add new predicates.
2913 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2915 * i386.md (pophi1, popqi1, pushqi1): Remove.
2917 * expr.c (emit_single_push_insn): New function.
2918 (move_by_pieces): Accept NULL as destination for push instructions.
2919 (gen_push_operand): Kill.
2920 (emit_push_insn): Pass NULL when pushing; avoid updating of
2921 stack_pointer_delta.
2922 * expr.h (gen_push_operand): Kill.
2924 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2926 * rtl.texi (COMPARE): Clarify documentation and reference section
2929 2001-03-20 Stan Shebs <shebs@apple.com>
2931 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2932 (get_object_reference): Ditto.
2933 (error_with_ivar): Use error_with_file_and_line.
2934 (warn_with_method): Use warning_with_file_and_line.
2936 2001-03-20 Tom Tromey <tromey@redhat.com>
2938 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2940 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2942 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2943 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2945 2001-03-20 DJ Delorie <dj@redhat.com>
2947 * Makefile.in (install-libgcc): Pass complete list of variables.
2948 (install-multilib): Ditto.
2950 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2952 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2953 drectve_section, switch_to_section.
2955 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2956 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2957 i386_pe_mark_dllimport.
2959 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2961 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2962 functions i386_pe_*.
2964 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2965 i386_pe_* functions with char * arguments.
2967 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2969 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2971 (movsi_ie): Introduce fpul store.
2973 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2975 * Makefile.in (OBJS): Remove hashtab.o.
2977 2001-03-19 Stan Shebs <shebs@apple.com>
2979 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2980 * c-lang.c (maybe_objc_method_name): Ditto.
2981 * c-tree.h (maybe_objc_method_name): Remove decl.
2983 2001-03-19 Tom Tromey <tromey@redhat.com>
2985 * gcc.c (init_gcc_specs): Fix comment.
2987 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2989 Compute DECL_ASSEMBLER_NAME lazily.
2990 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2991 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2992 (SET_DECL_ASSEMBLER_NAME): Likewise.
2993 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2994 (set_decl_assembler_name): Declare.
2995 (lang_set_decl_assembler_name): Likewise.
2996 * tree.c (lang_set_decl_assembler_name): New variab.e
2997 (set_decl_assembler_name): New function.
2998 (init_obstacks): Set lang_set_decl_assembler_name.
2999 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3000 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3001 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3002 where it's not necessary.
3003 (builtin_function): Likewise.
3004 (finish_decl): Likewise.
3005 * dbxout.c (dbxout_type_methods): Likewise.
3006 * ggc-common.c (ggc_mark_trees): Likewise.
3007 * profile.c (output_func_start_profiler): Likewise.
3008 * varasm.c (make_decl_rtl): Likewise.
3010 * cse.c (find_comparison_args): Update documentation. Fix
3011 mishandling of COMPARE operations.
3013 * tree.def (ABS_EXPR): Add documentation.
3014 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3016 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3018 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3020 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3022 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3023 Remove ia32 linux PIC kludge and move it...
3024 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3026 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3028 * i386.md (absdf2 expander): Fix 64bit case.
3030 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3032 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3034 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3036 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3038 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3040 * README.X11: Remove obsolete file.
3042 2001-03-18 Anthony Green <green@redhat.com>
3044 * config/pj/pj.h: Remove some trailing commas.
3045 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3047 2001-03-18 Richard Henderson <rth@redhat.com>
3049 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3050 * calls.c: ... here.
3051 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3052 defaults for them here.
3054 2001-03-17 Anthony Green <green@redhat.com>
3056 * config/pj/lib1funcs.S: Fix broken comment.
3057 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3060 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3062 * gcc.texi: Remove obsolete information relating to build and
3063 installation problems with enquire or the Pyramid C compiler.
3065 2001-03-17 Richard Henderson <rth@redhat.com>
3067 * dwarf2out.c (queue_reg_save): New.
3068 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3069 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3071 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3072 (cfa, cfa_store, cfa_temp): Make static.
3073 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3075 2001-03-17 Richard Henderson <rth@redhat.com>
3077 * integrate.h (struct inline_remap): Add local_return_label.
3078 * integrate.c (expand_inline_function): Initialize it and emit
3079 it after copy_insn_notes.
3080 (copy_insn_list): Don't store local_return_label here.
3081 (copy_insn_notes): New function split out from copy_insn_list.
3083 2001-03-17 Richard Henderson <rth@redhat.com>
3085 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3086 is generating .debug_line.
3087 (dwarf2out_init): Add main_input_filename to the file table first.
3088 * configure.in (as_dwarf2_debug_line): Test with file number 1
3089 instead of file number 0.
3091 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3093 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3094 (gen_rtx_combine): Deleted; all references changed as appropriate.
3095 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3097 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3099 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3101 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3104 2001-03-16 Jim Wilson <wilson@redhat.com>
3106 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3107 then set it to LOC_REG (79) instead of aborting.
3109 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3111 * gccbug.in: Remove high priority.
3113 2001-03-16 Richard Henerson <rth@redhat.com>
3115 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3116 output with a space instead of deleting it.
3117 * configure: Regenerate.
3119 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3121 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3122 handles the gory details of converting an object file into
3123 something that's safe to grep.
3124 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3125 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3126 newlines at either end of the string we're looking for.
3127 Make 'checking ...' message less stilted.
3128 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3129 ARM in-memory layout and its hypothetical converse. Don't
3130 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3131 HOST_WORDS_BIG_ENDIAN.
3133 * configure.in: Adjust for renamed macro. Move
3134 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3135 * configure, config.in: Regenerate.
3137 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3139 * fixinc/Makefile.in: Set SHELL.
3141 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3143 * fixinc/fixincl.c (fix_with_system): Quote file names before
3144 passing them to shell.
3146 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3148 * Makefile.in: Use fix-header$(build_exeext) instead
3151 2001-03-16 Richard Henderson <rth@redhat.com>
3153 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3154 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3155 (size_of_line_prolog): Remove.
3156 (output_line_info): Compute prologue size via label difference.
3157 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3159 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3160 assembler error when redefining file numbers.
3161 * config.in, configure: Rebuild.
3163 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3164 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3165 (dw2_asm_output_delta_uleb128): Likewise.
3166 (dw2_asm_output_delta_sleb128): Similarly.
3167 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3169 2001-03-16 Michael Meissner <meissner@redhat.com>
3171 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3173 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3175 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3177 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3178 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3179 being unsigned in ISO C and signed in traditional.
3180 (expand_prologue): Ditto.
3181 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3183 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3185 (divsi3,divdi3): Ditto.
3186 (modsi3,moddi3): Ditto.
3187 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3188 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3189 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3192 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3194 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3195 SSE based conditional moves on LTGT/UNEQ conditions;
3196 Canonicalize EQ to NE.
3197 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3198 (sse_mov?fcc_ne): New.
3200 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3202 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3204 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3205 register may be dead.
3207 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3209 * Makefile.in (hash.o): Depend on CONFIG_H.
3211 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3213 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3215 2001-03-15 Richard Henderson <rth@redhat.com>
3217 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3218 (ASM_OUTPUT_DWARF_PCREL): New.
3219 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3221 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3223 * cppfiles.c (stack_include_file): Use MAX of sysp.
3225 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3227 * config.gcc (ia64*-*-hpux*): New case.
3228 * config/ia64/hpux.h: New file for HP-UX support.
3229 * config/ia64/t-hpux: New file for HP-UX support.
3231 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3233 * fixinc/inclhack.def (irix_stdio_va_list): New.
3234 * fixinc/fixincl.x: Rebuilt.
3236 2001-03-15 Richard Henderson <rth@redhat.com>
3238 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3239 if provided by the target.
3240 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3241 (dw2_asm_output_addr): New.
3242 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3243 * dwarf2out.c (output_cfi): Use it for program addresses.
3244 (output_call_frame_info, output_die): Likewise.
3245 (output_aranges, output_line_info): Likewise.
3247 2001-03-15 Bruce Korb <bkorb@gnu.org>
3249 * gcc.c(main): make more rigorous
3250 * collect2.c(main): guard against ignoring SIGCHLD
3251 * protoize.c(main): ditto
3252 * gcc/fixinc/fixincl.c(initialize): ditto
3254 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3256 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3257 (sdbout_parms): Likewise.
3259 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3261 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3262 "widen" a destination that is already wider than a word. Also do
3263 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3265 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3267 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3269 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3271 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3273 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3275 * i960.h (i960_maxbitalignment,
3276 i960_last_maxbitalignment): Declare.
3277 * i960.c (i960_maxbitalignment,
3278 i960_last_maxbitalignment): Make global.
3279 (process_pragma): Delete.
3280 (i960_pr_align, i960_pr_noalign): Move from here ...
3281 * i960-c.c: ... to this new file.
3282 * t-960bare (i960-c.o): New rule.
3283 * t-vxworks960 (i960-c.o): Likewise.
3284 * config.gcc (i960-*-*): Define c_target_objs and
3287 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3289 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3290 without adding in rtx code and mode.
3292 * alias.c (init_alias_analysis): Don't use any rtx whose value
3293 varies as a known value.
3294 Delete a superfluous test.
3296 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3298 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3299 scheduling a stop bit.
3300 (ia64_emit_nops): Correctly handle ASMs.
3302 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3304 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3306 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3308 * cpp.texi: Update documentation for -include and -imacros.
3309 * cppfiles.c (struct include_file): Remove "defined" memeber.
3310 (find_or_create_entry): Make a copy of the file name, and
3312 (open_file): Update to ensure we use the simplified filename.
3313 (stack_include_file): Don't set search_from.
3314 (cpp_included): Don't simplify the path name here.
3315 (find_include_file): New prototype. Call search_from to
3316 get the start of the "" include chain. Don't simplify the
3318 (_cpp_execute_include): New prototype. Move diagnostics to
3319 do_include_common. Update.
3320 (_cpp_pop_file_buffer): Don't set defined.
3321 (search_from): New prototype. Use the preprocessor's cwd
3322 for files included from the command line.
3323 (read_name_map): Don't simplify the pathname here.
3324 * cpphash.h (enum include_type): New.
3325 (struct buffer): Delete search from. New search_cached.
3326 (_cpp_execute_include): Update prototype.
3327 * cppinit.c (do_includes): Use _cpp_execute_include.
3328 * cpplib.c (do_include_common): New function.
3329 (do_include, do_include_next, do_import): Use it.
3331 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3333 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3334 contents of the RTL, to determine the name of the object.
3336 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3338 * tree.h (DECL_RTL): Allocate RTL lazily.
3339 (SET_DECL_RTL): New macro.
3340 (DECL_RTL_SET_P): Likewise.
3341 (COPY_DECL_RTL): Likewise.
3342 (DECL_RTL_IF_SET): Likewise.
3343 * varasm.c (make_decl_rtl): Add assertions about the kind of
3344 declaration we are processing.
3345 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3346 (start_decl): Likewise.
3347 (finish_decl): Likewise.
3348 * c-semantics.c (emit_local_var): Likewise.
3349 * calls.c (expand_call): Likewise.
3350 * dbxout.c (dbxout_symbol): Likewise.
3351 * emit-rtl.c (unshare_all_rtl): Likewise.
3352 (unshare_all_decls): Likewise.
3353 (reset_used_decls): Likewise.
3354 * expr.c (store_constructor): Likewise.
3355 (safe_from_p): Likewise.
3356 (expand_expr): Likewise.
3357 * function.c (put_var_into_stack): Likewise.
3358 (instantiate_decls_1): Likewise.
3359 (assign_parms): Likewise.
3360 (expand_function_start): Likewise.
3361 (expand_function_end): Likewise.
3362 * ggc-common.c (gcc_mark_trees): Likewise.
3363 * integrate.c (function_cannot_inline_p): Likewise.
3364 (copy_decl_for_inlining): Likewise.
3365 (expand_inline_function): Likewise.
3366 (integrate_parm_decls): Likewise.
3367 (integrate_decl_tree): Likewise.
3368 * print-tree.c (print_node): Likewise.
3369 * reg-stack.c (stack_result): Likewise.
3370 * stmt.c (label_rtx): Likewise.
3371 (expand_return): Likewise.
3372 (expand_decl): Likewise.
3373 (expand_decl_cleanup): Likewise.
3374 (expand_anon_union_decl): Likewise.
3375 * toplev.c (check_global_declarations): Likewise.
3376 (rest_of_decl_compilation): Likewise.
3377 * tree.c (simple_cst_equal): Likewise.
3378 * objc/objc-act.c (generate_static_references): Likewise.
3380 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3382 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3383 gcc_AC_C_FLOAT_FORMAT): New macros.
3384 * configure.in: Add AC_PROG_CPP after CC tests;
3385 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3386 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3387 * configure, config.in: Regenerate.
3389 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3390 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3391 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3392 config/i370/xm-linux.h, config/i370/xm-oe.h,
3393 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3394 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3395 config/pa/xm-linux.h, config/pa/xm-pa.h,
3396 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3397 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3398 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3399 config/we32k/xm-we32k.h: Delete.
3401 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3402 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3403 config/vax/xm-vms.h: Don't define any of:
3404 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3406 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3408 * config.gcc: Remove references to deleted files.
3409 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3410 FATAL_EXIT_CODE, which is the same between oe and mvs).
3412 2001-03-14 DJ Delorie <dj@redhat.com>
3413 Vladimir Makarov <vmakarov@redhat.com>
3415 * config/i960/i960.c (i960_function_prologue): Compute size of
3416 frame according to number of registers actually saved there.
3418 2001-03-14 Richard Henderson <rth@redhat.com>
3420 * expr.c (emit_move_insn_1): Fix else if around #endif.
3422 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3425 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3428 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3430 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3431 (override_options): Parse cmodel string.
3432 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3433 * i386.h (TARGET_OPTIONS): Add "cmodel".
3434 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3436 (ix86_cmodel_string, ix86_cmodel): Declare.
3438 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3441 * i386.h (GENERAL_REG_P): Add missing REG_P.
3443 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3445 * configure.in: Use $gcc_cv_as instead of $as.
3446 * configure: Regenerated.
3448 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3450 * cppfiles.c (stack_include_file): Only increase the include
3451 count if we actually process the file properly, as opposed
3452 to treating it as length zero. Only call read_include_file
3453 if not DO_NOT_REREAD. Handle the -H include file output
3455 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3456 (cpp_included, find_include_file): Simplify pathnames after
3457 remapping them. If remapping, don't use the remapped file
3458 name's buffer as our scratch buffer.
3459 (cpp_pop_file_buffer): Replace the multiple include macro
3460 only if it isn't yet set.
3461 (read_name_map): Simplify remapped names when reading in.
3462 (remap_filename): Move code to code path that uses it.
3463 (_cpp_simplify_pathname): Return the input pointer.
3464 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3466 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3468 * expr.c (expand_expr): Revove bogus conditional.
3470 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3472 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3474 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3476 * reg-stack.c (stack_result): Unconditionally use
3477 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3479 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3481 * expr.c (emit_move_insn_1): Split push of complex value when
3482 no suitable push instruction exist.
3484 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3485 instead of QI_REG_P.
3487 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3489 * alias.c (handled_component_p, can_address_p): New functions.
3490 (get_alias_set): Use them.
3492 2001-03-13 Jim Wilson <wilson@redhat.com>
3494 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3495 from 80 in try_locals code.
3496 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3498 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3500 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3501 gcc_AC_C_LONG_LONG): New.
3502 * configure.in: Use them. Probe the size of short, int, long,
3503 and long long/__int64 if we have them. Move all the AC_C_*
3504 checks together, except gcc_AC_C_CHAR_BIT which has to go
3505 after AC_CHECK_HEADERS(limits.h).
3506 Take hwint.h out of host_xm_file and build_xm_file.
3508 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3509 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3510 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3511 Move the HOST_WIDEST_INT setup logic here from system.h.
3512 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3514 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3515 is now handled by hwint.h.
3517 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3518 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3519 config/ia64/xm-ia64.h: Don't define any of:
3520 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3521 HOST_BITS_PER_LONGLONG.
3523 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3524 config/h8300/xm-h8300.h, config/mips/iris6.h,
3525 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3526 config/sparc/xm-sp64.h: Delete.
3527 * config.gcc: Remove references to deleted files.
3529 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3530 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3531 * config/i370/xm-linux.h: Clarify floating-point situation in
3534 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3536 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3537 (find_include_file): Decide here which part of the include
3538 chain to start the search. Complain about an empty include
3539 chain in all cases apart from an abolsute file name.
3540 (_cpp_execute_include): Don't choose the search chain here.
3541 Don't call handle_missing_include in the case of an empty
3543 (_cpp_compare_file_date): Don't choose the search chain here.
3544 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3545 here from _cpp_execute_include. Behave like #include if
3546 we're in the main file.
3548 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3550 * system.h (malloc, realloc, calloc, strdup): Only poison these
3551 tokens when IN_GCC is defined.
3553 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3555 * i386.md (abs?f expander): Support SSE case.
3556 (abd?f_if): Add new "USE"; add splitters.
3558 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3560 * cpp.texi (poison): Explain the macro expansion exception.
3562 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3564 * expr.c (store_expr): Add dont_store_target. If temp is already in
3565 target before copying to reg, don't store it into target again.
3567 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3569 * cppinternals.texi: Update for file handling.
3571 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3573 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3574 2001-02-24 which broke building the Java library.
3575 * function.c (identify_blocks): Likewise.
3576 (all_blocks): Likewise.
3577 * integrate.c (integrate_decl_tree): Likewise.
3578 * print-tree.c (print_node): Likewise.
3579 * tree.h (BLOCK_NUMBER): Likewise.
3580 (struct tree_block): Likewise.
3582 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3584 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3585 __WCHAR_TYPE__ definition.
3586 (WCHAR_TYPE_SIZE): #undef before #define.
3588 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3590 * cppfiles.c: Update comments.
3591 (destroy_include_file_node): Rename destroy_node.
3592 (find_or_create_entry): New function.
3593 (open_file, _cpp_fake_include): Use it.
3594 (handle_missing_header): New function, broken out of
3595 _cpp_execute include. Don't segfault if there is no
3596 system or quoted path.
3597 (_cpp_execute_include): Use handle_missing_header.
3599 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3601 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3602 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3604 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3606 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3607 unless anti_dependence says they are.
3608 * alias.c (objects_must_conflict): If neither has a type specified,
3611 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3612 David Billinghurst <David.Billinghurst@riotinto.com>
3614 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3616 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3618 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3619 (*_one_bit): Remove type on the match_operand in attributes.
3621 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3623 * i386.c: Commit forgotten hunk in previous patch.
3624 (regclass_map): Add extended registers.
3625 (dbx_register_map): Add missing frame register.
3627 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3629 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3631 * i386.md (x86_sahf_1): Disable for 64bit.
3632 (popsi*, pophi*): Likewise.
3633 (pushqi, pushhi): Likewise.
3634 (movdi, pushdi): Likewise.
3635 (zero extend DImode splitter): Likewise.
3636 (adddi, minusdi splitter): Likewise.
3637 (umulsidi): Likewise.
3639 (mulsidi): Disable for 64bit
3640 (lshift:DI/ashift:DI): Disable for 64bit.
3641 (loop patterns): Likewise.
3642 (call_pop, call_value_pop expanders and patterns): Likewise.
3643 (prologue_get_pc): Likewise.
3645 (fcmovDI pattern and splitter): Likewise.
3646 (movdfcc_1_rex64): New.
3648 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3650 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3651 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3652 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3653 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3654 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3655 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3656 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3657 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3658 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3659 (REGPARM_MAX): Set to 6 for x86_64.
3660 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3661 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3664 * (patterns that does use upper halves): Update constraints
3665 'q' to 'Q' and 'r' to 'R'.
3666 (cmpqi_ext_1): Disable for 64bit.
3667 (cmpqi_ext_3_insn): Likewise.
3668 (movqi_extzv_1): Likewsie.
3669 (addqi_ext_1): Liekwsie
3670 (testqi_ext_1): Liekwsie
3671 (andqi_ext_1): Liekwsie
3672 (xorqi_ext_1): Liekwsie
3673 (cmpqi_ext_1_rex64): New.
3674 (cmpqi_ext_3_insn_rex64): Likewise.
3675 (movqi_extzv_1_rex64): Likewsie.
3676 (addqi_ext_1_rex64): Liekwsie
3677 (testqi_ext_1_rex64): Liekwsie
3678 (andqi_ext_1_rex64): Liekwsie
3679 (xorqi_ext_1_rex64): Liekwsie
3681 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3683 * configure.in: Move check for unsigned enumerated bitfields
3684 to macro in aclocal.m4. Disable it for now.
3685 * configure, config.in: Regenerate.
3686 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3687 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3688 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3689 kind above its first use.
3691 * config/xm-interix.h, config/alpha/xm-alpha.h,
3692 config/i370/xm-linux.h, config/i386/xm-beos.h,
3693 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3694 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3695 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3696 Don't define ONLY_INT_FIELDS under any circumstances.
3698 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3700 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3701 config/sparc/xm-sysv4.h: Delete - now identical with some
3703 * config.gcc (hppa targets): Replace xm-pahpux.h and
3704 xm-papro.h with implicit xm-pa.h.
3705 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3708 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3710 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3711 before reload_cse_noop_set_p.
3713 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3715 * config.gcc: Where xm-host.h used to include another
3716 xm-host.h, list the nested header directly in xm_file. Remove
3717 references to deleted files. Can now use sparc/xm-sp64.h for
3720 * config/xm-linux.h, config/arm/xm-linux.h,
3721 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3722 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3723 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3724 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3725 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3728 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3729 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3730 bother to wrap #undef in #ifdef.
3731 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3732 Don't include xm-linux.h.
3733 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3735 * configure.in: Wrap regexps using [] in changequote block.
3736 Use expr : not echo | grep. Simplify regexps.
3737 * configure: Regenerate.
3739 56 xm-files remain, 22 xm-arch.
3741 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3743 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3744 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3745 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3746 (copy_object): Fix format specifier vs argument mismatch.
3748 * mips-tdump.c: Make local functions static.
3749 (rindex): Don't #undef.
3750 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3751 (fatal, fancy_abort): Delete.
3752 (read_seek): Avoid signed/unsigned compare.
3754 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3756 * combine.c (try_combine): Fix error in change to try original
3758 (gen_rtx_combine): Do same as gen_rtx for now.
3760 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3762 * configure.in: AC_SUBST xm_defines.
3763 * configure: Regenerate.
3764 * Makefile.in: Set DEFINES=$(xm_defines) when building
3767 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3769 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3770 (cpp_included, find_include_file): Update.
3771 (_cpp_compare_file_date): Make else unconditional.
3773 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3775 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3777 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3779 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3780 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3782 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3784 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3785 if it's a record type.
3787 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3789 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3790 mingw includes slightly.
3792 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3794 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3795 #undef token before poisoning it.
3797 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3799 * alpha.c (check_float_value): Use memcpy, not bcopy.
3801 * m32r.c (m32r_sched_reorder): Likewise.
3803 * vax.c (check_float_value): Likewise.
3805 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3807 * toplev.c (file_name_nondirectory): Remove.
3808 * toplev.h: Similarly.
3809 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3810 of file_name_nondirectory.
3812 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3814 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3815 * mips-tfile.c: Don't #undef rindex; not used.
3817 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3819 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3820 (dbx64_register_map): Declare.
3821 (RETURN_ADDR_RTX): Fix for 64bit.
3822 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3823 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3824 * i386.c (dbx64_register_map): New global array.
3825 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3826 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3829 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3831 * cppfiles.c (search_from): Use lbasename.
3832 * mkdeps.c (deps_add_default_target): Use lbasename.
3834 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3836 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3837 xcalloc in lieu of malloc, realloc & calloc.
3839 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3841 * gengenrtl.c (xmalloc): Likewise.
3843 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3844 really_call_* memory allocation routines.
3846 * stmt.c (check_for_full_enumeration_handling): Use
3847 really_call_calloc, not calloc.
3849 * system.h (really_call_malloc, really_call_calloc,
3850 really_call_realloc): Define.
3851 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3853 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3855 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3857 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3859 * configure: Rebuilt.
3860 * configure.in: Only use `lang_requires' for languages athat are
3863 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3865 * invoke.texi: Fix typo.
3866 * gcc.1: Regenerate.
3868 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3870 * configure.in: Prune nonexistent files from build_xm_file,
3871 xm_file, and host_xm_file lists. Warn unless they're
3873 Don't generate *config.h here.
3874 AC_SUBST all variables needed to generate *config.h.
3875 * configure: Regenerate.
3876 * mkconfig.sh: New helper script, from code removed from
3878 * Makefile.in: Zap all MALLOC variables - no longer used
3879 anywhere, and malloc.c doesn't exist.
3880 Substitute in variables needed to generate *config.h.
3881 Stop lying about the dependencies contained in CONFIG_H and
3883 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3884 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3885 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3886 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3887 $(TM_P_H), etc. as appropriate.
3889 * config.gcc: Zap references to deleted files.
3890 * ggc-none.c: Don't include rtl.h or tm_p.h.
3892 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3893 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3894 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3895 config/i386/xm-linux.h, config/i386/xm-linux.h,
3896 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3897 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3898 Don't include i386/xm-i386.h.
3900 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3901 config/i386/xm-i386.h, config/i860/xm-i860.h,
3902 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3903 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3904 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3905 Delete (empty except comments, #includes of other deleted
3906 files, and macros used nowhere).
3908 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3910 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3911 independent on TARGET_FLAGS.
3913 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3915 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3917 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3919 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3921 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3922 LAST_REX_SSE_REG): define.
3923 (enum reg_class): Add 'LEGACY_REGS'
3924 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3925 (SSE_REGNO_P): Recognize extended registers.
3926 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3927 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3928 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3929 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3930 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3931 REG_OK_FOR_STRREG_P): Remove.
3932 (HI_REGISTER_NAMES): Add extended registers.
3933 (ADDITIONAL_REGISTER_NAMES): Likewise.
3934 (QI_REGISTER_NAMES): Add 8bit extended registers.
3935 (DEBUG_REG): Support extended registers.
3936 * i386.c (regclass_map): Add extended registers.
3937 (dbx_register-map): Likewise.
3938 (svr4_dbx_register_map): Likewise.
3939 (print_reg): Support extended registers.
3940 (print_operand): Support 64bit operands.
3942 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3944 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3945 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3946 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3947 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3948 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3949 STACK_BOUNDARY): Set properly for 64bits.
3950 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3951 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3952 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3953 (MOVE_MAX): Set to 16.
3954 (MOVE_MAX_PIECES): 8 for 64bit.
3955 (Pmode): Set to SImode.
3957 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3959 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3961 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3963 * i386.h (mask_64bit): New constant.
3964 (target_64bit): New macro.
3965 (target_options): Add '64'/'32'
3966 (target_default): Define.
3967 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3968 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3969 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3971 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3973 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3975 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3977 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3978 LO_SUM unless for_alias is set.
3980 2001-03-08 Stan Shebs <shebs@apple.com>
3982 * objc/objc-act.c: Fix old typos in comments, add comments for
3984 (hash_init): Fix file name in error message.
3985 (hash_enter): Ditto.
3986 (hash_add_attr): Ditto.
3987 (continue_class): Ditto.
3989 2001-03-08 Bruce Korb <bkorb@gnu.org>
3991 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3992 wait4() can receive the signal.
3994 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3996 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3998 * fixinc/fixincl.x: Regenerate.
4000 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4002 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4004 * fixinc/fixincl.x: Regenerate.
4006 2001-03-08 Richard Henderson <rth@redhat.com>
4008 * configure.in (HAVE_AS_LEB128): New assembler check.
4009 * configure, config.in: Rebuilt.
4011 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4013 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4016 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4018 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4019 references to the MAXPATHLEN macro.
4021 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4022 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4025 * config/i386/xm-gnu.h, config/xm-gnu.h,
4026 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4027 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4028 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4029 and/or unused files.
4031 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4032 doing so in various xm-*.h files.
4034 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4036 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4038 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4040 * configure.in (enable_shared): Support per-package shared-library
4042 * configure: Rebuilt.
4044 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4046 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4047 for crnot. Set operands[5] in splitter.
4049 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4051 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4052 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4053 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4054 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4055 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4056 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4057 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4060 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4061 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4062 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4063 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4064 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4065 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4066 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4067 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4068 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4069 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4070 Delete unused and/or empty files.
4072 * config.gcc: Define USG in xm_defines as appropriate. Define
4073 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4074 macro. Remove deleted xm-* files from $xm_files variable.
4076 2001-03-07 Tom Tromey <tromey@redhat.com>
4078 * configure: Rebuilt.
4079 * configure.in: Allow config-lang.in to set `lang_requires' to list
4080 of other required languages.
4082 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4084 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4086 (output_prologue): Use xmalloc not oballoc.
4087 (output_epilog): Free a29k_first_epilogue_insn when finished.
4088 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4090 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4092 * builtins.c (expand_builtin_mathfn): Check
4093 flag_unsafe_math_optimizations, not flag_fast_math.
4094 (expand_builtin): Likewise
4095 * combine.c (combine_simplify_rtx): Likewise.
4096 (simplify_if_then_else): Likewise.
4097 * cse.c (fold_rtx): Likewise.
4098 * flags.h: Remove flag_fast_math. Add
4099 flag_unsafe_math_optimizations and flag_trapping_math.
4100 * fold-const.c (negate_expr): Check
4101 flag_unsafe_math_optimizations, not flag_fast_math.
4102 (invert_truthvalue): Likewise.
4103 (fold): Likewise. Before associating operands, check that
4104 code == MULT_EXPR, not code != MULT_EXPR.
4105 * ifcvt.c (noce_try_minmax): Check
4106 flag_unsafe_math_optimizations, not flag_fast_math.
4107 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4108 * invoke.texi: Document -funsafe-math-optimizations and
4109 -fno-trapping-math. Change documentation for -ffast-math.
4110 * jump.c (reversed_comparison_code_parts): Likewise.
4111 (rtx_equal_for_thread_p): Likewise.
4112 * optabs.c (emit_conditional_move): Likewise.
4113 * simplify-rtx.c (simplify_binary_operation): Likewise.
4114 (simplify_relational_operation): Likewise.
4115 (simplify_ternary_operation): Likewise.
4116 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4117 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4118 Add trapping-math and unsafe-math-optimizations entries to f_options.
4119 (set_fast_math_flags): New, sets flags for -ffast-math.
4120 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4121 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4122 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4124 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4125 (alpha_emit_conditional_move): Initialize local_fast_math to
4126 flag_unsafe_math_optimizations, not flat_fast_math.
4127 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4128 instead of setting flag_fast_math to 1.
4129 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4131 * config/i386/i386.c (override_options): Likewise
4132 * config/i386/i386.md: Likewise.
4133 * config/m68k/m68k.md: Likewise.
4134 * config/mips/mips.md: Likewise.
4135 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4136 (rs6000_generate_compare): Likewise.
4138 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4140 * Makefile.in: Set RANLIB to @RANLIB@.
4143 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4145 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4146 * fixinc/fixincl.x: Regenerated.
4148 2001-03-07 Richard Henderson <rth@redhat.com>
4150 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4152 2001-03-07 Richard Henderson <rth@redhat.com>
4154 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4155 of block notes and exception handling notes.
4157 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4158 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4159 (compile_file): ... here.
4161 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4163 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4165 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4166 config.h now. Include libiberty.h to handle alloca.
4168 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4170 * c-parse.in (yylexname): New function, split out of _yylex.
4171 (objc_rid_sans_at): New table.
4172 (init_reswords): Initialize it.
4173 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4174 retrieving the next token and checking it for significance as
4175 an ObjC keyword or string constant.
4177 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4178 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4180 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4183 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4185 * config/m68k/m68k.c (const_uint32_operand): Accept any
4186 const_int on a 32-bit host.
4188 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4190 * objc/objc-act.c (init_objc): Set save_lang_status,
4191 restore_lang_status, and mark_lang_status.
4193 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4195 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4197 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4199 * cppinternals.texi: Update.
4201 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4203 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4204 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4205 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4206 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4207 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4208 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4209 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4210 config/i386/xm-i386.h, config/i860/xm-i860.h,
4211 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4212 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4213 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4214 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4215 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4216 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4217 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4218 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4219 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4220 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4221 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4222 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4223 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4224 match the defaults provided in hwint.h.
4226 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4227 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4229 * config.gcc (xm_file): Don't set to files which are deleted.
4231 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4232 guard this file against these macros being undefined.
4234 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4236 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4237 and DECL_DEFER_OUTPUT on the decl we create, before calling
4238 rest_of_decl_compilation.
4240 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4242 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4244 * configure, config.in: Regenerate.
4245 * config.gcc: Remove references to deleted files.
4247 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4248 genrecog.c, rtl.c: Do not use alloca anywhere.
4250 * Makefile.in, build-make, system.h, config/x-interix,
4251 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4252 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4253 config/arc/xm-arc.h, config/arm/xm-arm.h,
4254 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4255 config/h8300/xm-h8300.h, config/i370/x-oe,
4256 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4257 config/i386/x-ncr3000, config/i386/x-sco5,
4258 config/i386/xm-dgux.h, config/i860/x-sysv4,
4259 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4260 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4261 config/m68k/x-hp320g, config/m69k/x-mot3300,
4262 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4263 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4264 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4265 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4266 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4267 config/mips/x-iris, config/mips/x-iris3,
4268 config/mips/x-sni-svr4, config/mips/x-sysv,
4269 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4270 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4271 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4272 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4273 config/pa/xm-papro.h, config/romp/xm-romp.h,
4274 config/rs6000/x-aix31, config/rs6000/x-aix41,
4275 config/rs6000/x-beos, config/rs6000/x-lynx,
4276 config/rs6000/x-mach, config/rs6000/x-rs6000,
4277 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4278 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4279 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4280 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4281 config/vax/xm-vms.h: Eradicate all references to alloca and
4284 * config/xm-alloca.h, config/clipper/x-clix,
4285 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4286 config/i860/x-sysv3, config/m88k/x-sysv3,
4287 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4288 (contained only alloca related hacks).
4290 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4293 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4295 * invoke.texi: Document __FAST_MATH__.
4297 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4299 * crtstuff.c: Restore include of auto-host.h.
4301 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4303 Put main() in a separate file, so that the language
4304 front-end can use a different main().
4307 * toplev.c: (main): Rename as toplev_main.
4308 * toplev.h: Declare toplev_main.
4309 * Makefile.in (OBJS): add toplev.o.
4310 (BACKEND): remove toplev.o, add main.o.
4312 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4314 * cppfiles.c (search_from): Special case the empty string.
4316 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4318 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4319 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4320 strlen or strcpy; we already know the length.
4321 (_cpp_compare_file_date): Similarly.
4322 * cpphash.h (struct cpp_reader): Delete done_initialising.
4323 (CPP_PREV_BUFFER): Delete.
4324 * cppinit.c (cpp_start_read): Don't set done_initialising.
4325 * cpplex.c (parse_string): Guarantee null-termination.
4326 (_cpp_equiv_toklists): Remove.
4327 * cpplib.c (glue_header_name): Null-terminate.
4328 (do_line): Don't leak memory.
4329 * cpplib.h (BT_WEAK): Delete.
4330 * cppmain.c (cb_ident): Strings are now null-terminated.
4332 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4334 * gcc.c (convert_filename): Append executable suffix
4335 if NO_AUTO_EXE_SUFFIX is not defined.
4336 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4337 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4339 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4341 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4342 * c-parse.gperf, c-gperf.h: Delete.
4343 (c-gperf.h was accidently re-added to the CVS repo in the rev
4344 1.16 commit by tromey)
4346 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4348 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4349 macro arguments when looking for the '('.
4350 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4351 2 when really parsing arguments; 1 when looking for '('.
4352 Always restore the lexer position.
4354 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4356 * longlong.h (umul_ppmm): Don't use a multiline string.
4358 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4360 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4361 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4362 t_bool in declaration because pcc can't combine volatile with typedef
4365 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4367 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4368 until when it is really needed.
4369 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4370 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4371 * i386.md (float?i?f splitter): Don't force source operand to memory
4373 (sse_movdfcc): Fix constraint.
4374 (sse_movdfcc splitter): Handle properly the second alternative.
4376 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4378 * cpplex.c (parse_string): Unconditionally pedwarn.
4380 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4383 * cppexp.c (parse_number): Update.
4384 * cpplex.c (parse_string): Pedwarn if multiline string does not
4385 result from a system header's macro.
4386 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4387 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4388 for function-like macros too.
4389 * c-lex.c (lex_number): Update.
4391 2001-03-03 Richard Henderson <rth@redhat.com>
4393 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4395 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4397 * combine.c (try_combine): If split with mode-changed scratch
4398 register didn't work, try the original mode.
4400 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4402 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4403 * config/c4x/c4x.h: Likewise.
4404 * stor-layout.c (compute_record_mode): Likewise.
4405 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4407 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4409 * configure.in: Kill tm.h. Include the files in the $tm_file
4410 list in all three of config.h, hconfig.h, tconfig.h, after the
4411 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4412 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4413 * configure: Regenerate.
4414 * Makefile.in (clean): Don't delete tm.h.
4416 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4417 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4418 those are not defined, set SEC and FEC to 0 and 1.
4419 * gcc.texi: Update to match.
4421 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4422 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4423 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4424 Include tconfig.h, not tm.h.
4426 * config/xm-lynx.h, config/xm-std32.h,
4427 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4428 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4429 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4430 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4431 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4432 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4433 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4434 config/i386/xm-i386.h, config/i860/xm-i860.h,
4435 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4436 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4437 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4438 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4439 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4440 config/pa/xm-linux.h, config/pa/xm-pa.h,
4441 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4442 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4443 config/pj/xm-pj.h, config/romp/xm-romp.h,
4444 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4445 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4446 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4447 config/v850/xm-v850.h, config/vax/xm-vax.h,
4448 config/we32k/xm-we32k.h:
4450 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4452 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4453 config/i370/xm-oe.h: Don't include tm.h. Don't define
4455 * config/vax/xm-vms.h: Don't include tm.h.
4457 * config/xm-lynx.h, config/avr/xm-avr.h,
4458 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4459 Delete; made empty by above changes.
4460 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4461 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4462 Don't include config/xm-lynx.h or tm.h.
4464 * config/xm-gnu.h: Don't include fcntl.h.
4465 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4467 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4469 2001-03-02 Richard Henderson <rth@redhat.com>
4471 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4472 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4474 2001-03-02 Richard Henderson <rth@redhat.com>
4476 * Makefile.in (OBJS): Add dwarf2asm.o.
4477 * dwarf2asm.c, dwarf2asm.h: New files.
4478 * dwarf2out.c (*): Use them.
4479 (size_of_uleb128, size_of_sleb128): Remove.
4480 (output_uleb128, output_sleb128): Remove.
4481 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4482 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4483 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4484 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4485 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4486 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4487 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4488 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4489 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4490 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4491 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4492 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4493 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4494 (dwarf2out_frame_debug): Remove unused variables.
4495 (output_loc_operands): Don't abort on 8 byte constants if
4496 host integers are wide enough.
4497 (output_symbolic_ref): Remove.
4498 (size_of_die): Don't assume 4 byte host integers.
4499 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4501 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4502 something stupid with HOST_WIDE_INT to long truncation.
4503 [CONST_DOUBLE]: Likewise.
4505 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4506 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4507 * config/arm/unknown-elf.h: Likewise.
4508 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4509 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4510 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4511 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4512 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4513 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4514 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4515 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4516 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4517 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4518 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4519 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4521 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4523 * cselib.c (hash_rtx): Cast enums to unsigned int.
4525 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4527 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4528 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4530 * c-format.c (C_STD_VER): Cast to int for comparisons.
4531 (check_function_format): Cast various enums to int for &.
4532 (maybe_read_dollar_number): Likewise.
4533 (check_format_info): Likewise.
4534 (check_format_info_main): Likewise.
4535 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4536 (safe_from_p): Likewise.
4537 * varasm.c (const_hash): Cast enum to int for %.
4538 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4539 pcc enum problems with < and ++ operators.
4540 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4541 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4542 (regclass_init): Change enum class to int to iterate over reg_classes.
4543 * genrecog.c (merge_trees): Cast enums for comparison.
4544 * rtl.h (GET_CODE): Cast to enum rtx_code.
4545 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4546 (GET_MODE): Cast to enum machine_mode.
4547 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4548 (GET_NOTE_INSN_NAME): Cast enum to int.
4549 * tree.h (TREE_CODE): Cast to enum tree_code.
4550 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4551 * timevar.c (timevar_print): Change loop variable id from enum to
4553 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4554 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4555 * toplev.c (compile_file): Cast enum DFI to int.
4556 (decode_d_option): Likewise.
4558 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4560 * cppinit.c (append_include_chain): Mark "after" include file name list
4561 as a system directory.
4562 * cpp.texi: Document new behavior.
4564 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4566 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4568 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4570 * cppfiles.c (struct include_file): Update.
4571 (stack_include_file): Use search_from.
4572 (cpp_included, find_include_file): Update.
4573 (cpp_execute_include): Update. ptr->name may not be
4574 null terminated. Use the new search_from member variable
4576 (_cpp_compare_file_date): Similarly.
4577 (search_from): New function, similiar to actual_directory.
4578 (actual_directory): Delete.
4579 (remap_filename): Update. loc->name may not be null terminated.
4580 (struct file_name_list): Rename search_path. Update.
4581 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4582 search_from and dir.
4583 (struct cpp_reader): Remove actual_dirs.
4584 * cppinit.c (struct cpp_pending): Update for renamed objects.
4585 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4586 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4587 * cpplib.h (struct cpp_options): Similarly.
4589 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4591 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4592 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4593 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4594 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4595 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4596 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4597 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4598 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4599 config/i370/xm-oe.h, config/i386/xm-aix.h,
4600 config/i386/xm-i386.h, config/i386/xm-osf.h,
4601 config/i860/xm-i860.h, config/i960/xm-i960.h,
4602 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4603 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4604 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4605 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4606 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4607 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4608 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4609 config/pj/xm-pj.h, config/romp/xm-romp.h,
4610 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4611 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4612 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4613 config/v850/xm-v850.h, config/vax/xm-vax.h,
4614 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4615 Do not define TRUE or FALSE.
4617 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4618 empty by above change.
4619 * config.gcc: Remove references to these files.
4621 * configure.in: Detect stdbool.h.
4622 * configure, config.in: Regenerate.
4623 * system.h: Include stddef.h here if available.
4624 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4625 Then set up a sensible boolean type at the very end.
4627 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4628 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4630 * hash.h: Delete 'boolean' typedef and related #undefs.
4632 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4633 all uses of 'boolean' with 'bool'.
4635 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4637 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4638 * cppexp.c (lex): Cast enums for comparison.
4639 * cppinit.c (parse_option): Cast enum for comparison.
4640 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4641 (cpp_output_token): Likewise.
4642 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4643 (cpp_avoid_paste): Cast enums for minus and comparison.
4645 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4647 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4648 field to all array elements.
4650 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4652 * cpphash.h (struct cpp_reader): Add print_version field.
4653 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4654 just set print_version and other flags as appropriate.
4655 (cpp_post_options): Print version here if print_version is set.
4657 * toplev.c (exit_after_options): New flag.
4658 (independent_decode_option): Don't exit here; just set
4660 (main): Exit after calling lang_hooks.post_options if
4661 exit_after_options is true.
4663 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4664 (merge_include_chains): Adjust comment to match code.
4666 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4668 * stringpool.c (set_identifier): New function.
4669 * tree.h: Prototype it.
4671 * c-parse.in: Kill D_YES. If compiled for objc, call
4672 save_and_forget_protocol_qualifiers from init_reswords.
4673 * objc/objc-act.c (remember_protocol_qualifiers,
4674 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4675 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4677 (save_and_forget_protocol_qualifiers): New function.
4678 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4680 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4682 * c-semantics.c (prune_unused_decls): Return error_mark_node
4683 instead of (tree) 1 to stop traversing the tree chain.
4685 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4687 Fix a problem introduced by Kenner's Feb 18 change.
4688 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4689 flag_cse_skip_blocks only temporarily, not for ever.
4691 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4693 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4694 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4696 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4697 before determining its register class.
4699 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4701 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4702 from reg 4 if current_function_calls_setjmp.
4703 (gen_nop_type): New function.
4704 (ia64_emit_nops): New function.
4705 (ia64_reorg): Call it.
4706 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4708 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4709 code not to try to optimize adds with anything but a REG destination.
4711 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4712 (INSN_PRIORITY_KNOWN): New accessor macro.
4713 * haifa-sched.c (priority): Use it instead of testing priority against
4716 2001-02-28 DJ Delorie <dj@redhat.com>
4718 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4719 since that doesn't work the way gcc wants on a generic m68k.
4721 2001-02-28 Richard Henderson <rth@redhat.com>
4723 * caller-save.c (save_call_clobbered_regs): Fix typo in
4724 comparison last change.
4726 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4728 * i386.c (pentium4_cost): New.
4729 (m_PENT4): New macro.
4730 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4731 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4732 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4733 x86_memory_mismatch_stall): Add Pentium4
4734 (x86_use_q_reg, x86_use_any_reg): Kill.
4735 (override_options): Add pentium4.
4736 (incdec_operand): Return 0 for pentium4.
4737 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4738 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4739 (TARGET_PENTIUM4): Define.
4740 (enum processor_type): Add PROCESSOR_PENTIUM4.
4741 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4742 * i386.md (attribute "cpu"): Add pentium4.
4743 * invoke.texi (march): Add pentium4.
4745 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4747 * i386.md (sse_mov?fcc*): New patterns and splitters.
4748 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4749 the SSE based conditional moves.
4751 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4753 * i386.md (attribute mode): Add "TI".
4754 (movsf_1): Add pxor support; remove constant propagation splitter.
4755 (movdf_integer): Likewise.
4756 (movdf_nointeger): Likewise.
4757 (movxf constant prop splitter): Handle all modes; update for SSE.
4758 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4759 * i386.c (standard_80387_constant_p): Rewrite.
4760 (standard_sse_constant_p): New.
4761 * i386-protos.h (standard_sse_constant_p): New.
4763 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4765 * i386.md (sse_setccsf, sse_setccdf): New.
4766 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4768 * i386.c (sse_comparison_operator): Accept the supported unordered
4769 comparses; be ready for fast_math.
4770 (print_operand): Support 'D'.
4772 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4774 * jump.c (reversed_comparison_code): Kill.
4776 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4778 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4781 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4783 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4784 add missing '%' in constraints.
4786 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4788 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4789 for HOST_BITS_PER_WIDE_INT == 32 too.
4791 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4793 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4795 (insert_save, insert_restore): New parameter save_mode.
4796 (init_caller_save): Update initialization of reg_save_code
4797 and reg_restore_code.
4798 (save_call_clobbered_regs): Compute save_modes and update calls to
4799 reg_save_code and reg_restore_code.
4800 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4801 of spill; update use of reg_restore_code.
4802 (insert_save): Likewise.
4803 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4804 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4805 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4807 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4809 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4810 noce_try_store_flag_inc, noce_try_store_flag_mask,
4811 noce_try_cmove_arith):
4812 Use reversed_comparison_code instead of reverse_comparison and
4813 can_reverse_comparison_p.
4815 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4817 * jump.c (reversed_comparison_code_parts): Allow reversal of
4818 unordered compares in -ffast-math mode; reverse ordered compares
4819 for FP even w/o -ffast-math.
4821 2001-02-27 Richard Henderson <rth@redhat.com>
4823 * print-rtl.c (print_rtx) [i]: Don't print field five on
4824 NOTEs other than NOTE_INSN_DELETED_LABEL.
4826 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4828 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4829 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4831 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4833 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4834 even if walk_subtrees is 0.
4835 * c-semantics.c (prune_unused_decls): Return a non-null value to
4836 stop traversing the tree chain.
4838 2001-02-27 DJ Delorie <dj@redhat.com>
4840 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4841 register, *then* define it as the new CFA.
4843 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4845 * pa.c (override_options): Promote -fpic to -fPIC.
4846 (legitimize_pic_address): Simplify due to removal of
4847 small PIC as a code generation option.
4848 (secondary_reload_class): Similarly.
4849 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4850 (PRINT_OPERAND_ADDRESS): Similarly.
4851 * pa.md (various patterns): Similarly.
4852 (small pic lo_sum pattern): Remove.
4854 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4857 * md.texi (min, max): Document
4859 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4861 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4862 TARGET_PARTIAL_REG_DEPENDENCY.
4863 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4865 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4867 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4869 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4871 * mips.c (mips_make_temp_file): Fix thinko in last change.
4873 2001-02-26 Jason Eckhardt <jle@redhat.com>
4875 * combine.c (known_cond): Do not reverse the condition when
4876 SMAX/UMAX is being considered and the condition is for equality
4879 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4881 2001-02-26 Philip Blundell <philb@gnu.org>
4883 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4885 * config/arm/linux-elf.h: Remove historical relics related to
4886 above configurations.
4887 * config/arm/linux-oldld.h: Delete.
4888 * config/arm/linux-elf26.h: Delete.
4890 2001-02-26 Jason Merrill <jason@redhat.com>
4892 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4894 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4895 recognize a tentative definition. Lose obsolete code.
4897 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4898 variables unless necessary, either.
4900 2001-02-25 Richard Henderson <rth@redhat.com>
4902 * ifcvt.c (struct noce_if_info): Add test_bb.
4903 (noce_get_alt_condition): New.
4904 (noce_try_minmax, noce_try_abs): New.
4905 (noce_operand_ok): New.
4906 (noce_process_if_block): Use them.
4907 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4909 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4911 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4914 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4916 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4917 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4919 (mips_asm_file_end): Free temp_filename here.
4921 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4923 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4924 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4926 * config/i386/i386.md (movstrsi): Handle FAIL case.
4928 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4930 * cppinit.c (builtin_array): Update.
4931 (init_builtins): Flag builtins to warn if redefined or
4932 undefined. Define __GXX_WEAK as a normal macro.
4933 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4934 * cpplib.h (NODE_WARN): New flag.
4935 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4936 Handle __STDC__ as a builtin only on Solaris.
4937 (warn_of_redefinition): Renamed from check_macro_definition.
4938 Reverse sense of test. Always warn if NODE_WARN.
4939 (_cpp_create_definition): Use warn_of_redefinition. Flag
4940 any macro beginning with "__STDC_" to require a mandatory
4941 warning if redefined or undefined.
4943 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4945 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4946 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4947 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4948 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4949 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4950 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4951 Don't define any of:
4952 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4953 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4954 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4955 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4956 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4958 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4959 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4962 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4963 Delete now-empty file.
4965 * alpha/vms.h: Define NEED_ATEXIT here...
4966 * alpha/xm-vms.h: ...not here.
4968 * i386/cygwin.h: Don't define PARAMS.
4969 * mips/mips.c: Don't prototype mktemp. Don't define
4970 P_tmpdir. Use make_temp_file to create temporary files.
4971 Don't be clever and delete temporary files early.
4972 * config.gcc: Drop references to deleted files. Don't define
4974 * gcc.texi: Don't mention USE_PROTOTYPES.
4976 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4978 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4979 (ix86_set_move_mem_attrs_1): Likewise.
4980 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4981 * config/i386/i386.md (movstrsi): Call it.
4983 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4985 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4986 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4987 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4988 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4990 (i750a-*-*): Error here if hosting on i750a.
4991 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4993 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4994 Remove (empty modulo comments).
4996 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4997 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4998 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4999 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5000 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5001 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5003 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5004 Remove reference to winnt.h in comment.
5005 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5007 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5009 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5010 used to set another biv.
5012 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5014 * tree.h (BLOCK_DEAD): New macro.
5015 (struct tree_block): New flag, dead_flag.
5016 * print-tree.c (print_node, case 'b'): Print missing fields.
5017 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5018 * function.c (identify_blocks): Enable test for misplaced notes.
5019 (all_blocks): Skip BLOCK_DEAD blocks.
5020 * integrate.c (integrate_decl_tree): Likewise.
5022 * errors.c (internal_error, trim_filename): New functions.
5023 (fancy_abort): Call internal_error.
5024 * errors.h (internal_error, trim_filename): New declarations.
5026 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5028 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5030 (EXTRA_CONSTRAINT): Formatting changes.
5032 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5034 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5036 2001-02-23 Per Bothner <per@bothner.com>
5038 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5039 so they can be called from java/jvspec.c.
5040 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5042 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5044 * i386.c (ix86_frame): New structure.
5045 (ix86_compute_frame_size): Kill.
5046 (ix86_compute_frame_layout): New.
5047 (ix86_save_reg): New.
5048 (ix86_can_use_return_insn_p): Use frame layout stuff.
5049 (ix86_expand_prologue): Likewise.
5050 (ix86_expand_epilogue): Likewise.
5051 (ix86_initial_elimination_offset): Likewise.
5052 (ix86_nsaved_regs): Use ix86_save_reg.
5053 (ix86_emit_save_regs): Likewise.
5055 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5057 * flow.c (find_sub_basic_blocks): New function.
5058 (split_block): Be ready for basic block introduced by CODE_LABEL.
5059 (commit_one_edge_insertion): Call find_sub_basic_block.
5061 * flow.c (make_edges): Add edge from entry for blocks starting with
5062 label having ALTERNATE_NAME
5064 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5066 * function.c (epilogue_done): Be ready for first basic block not
5067 containing PROLOGUE_END note.
5068 (reposition_prologue_and_epilogue_notes): Avoid placing
5069 PROLOGUE_END note between BASIC_BLOCK.
5071 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5073 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5075 2001-02-21 DJ Delorie <dj@redhat.com>
5077 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5078 check for current_function_has_nonlocal_goto from 1999-11-12.
5080 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5082 * diagnostic.c (trim_filename): No longer static.
5083 * toplev.h (trim_filename): Declare.
5084 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5085 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5086 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5087 (rtvec_check_failed_bounds): Likewise.
5088 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5090 * convert.c (convert_to_integer): Don't do unsigned unless result or
5091 both inputs are unsigned.
5093 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5096 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5098 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5100 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5102 * Makefile.in (resource.o): Add params.h dependence.
5103 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5104 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5105 * resource.c: Add dependence on params.h.
5106 (current_live_regs): Fix explanatory comment.
5107 (find_basic_block): Add new parameter to permit limiting search
5109 (mark_target_live_regs): Add new argument to find_basic_block call.
5110 (incr_ticks_for_insn): Likewise.
5112 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5114 * diagnostic.c (output_to_stream): Rename to
5115 output_buffer_to_stream. Loses the stream parameter.
5116 (init_output_buffer): Set diagnosic_buffer's stream.
5117 (flush_diagnostic_buffer): Adjust.
5118 (default_print_error_function): Likewise.
5119 (finish_diagnostic): Likewise.
5120 (verbatim): Likewise.
5122 * diagnostic.h (struct output_buffer): Add `stream' field.
5123 (output_buffer_attached_stream): New macro.
5125 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5127 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5128 check if either operand is divisible by C.
5129 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5130 If type is signed, consider negative numbers as well.
5132 2001-02-22 Richard Henderson <rth@redhat.com>
5134 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5135 reach .text instead of gp-relative relocs.
5136 * config/ia64/crtend.asm (.init): Likewise.
5138 2001-02-22 Andreas Jaeger <aj@suse.de>
5140 * extend.texi (C++ Attributes): Fix typo.
5142 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5144 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5145 functions, drop current_function_args_info.words test.
5146 (ia64_compute_frame_size): Mark syscall_linkage functions as
5147 using eight input registers.
5149 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5150 Bruce Korb <bkorb@gnu.org>
5152 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5153 * fixinc/README: Document how to convert sed substitutions
5154 to format style c_fix-es.
5155 * fixinc/fixincl.x: regen
5157 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5159 * gcc.c: Add comment explaining how to add a command-line option.
5160 Add title to specs language comment.
5162 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5164 * gcc.c (cc1_options): Add "-param".
5165 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5166 (option_map): Likewise.
5167 * toplev.c (display_help): Add entry for "--param".
5168 (independent_decode_option): Fix typographical error.
5170 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5171 Bernd Schmidt <bernds@redhat.com>
5172 Jan Hubicka <jh@suse.cz>
5174 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5175 (function_arg): Likewise.
5177 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5179 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5181 2001-02-21 Kazu Hirata <kazu@hxi.com>
5183 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5187 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5189 * flow.c (init_propagate_block_info): Canon address and use single_set
5190 for killing dead memory stores.
5192 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5194 * Makefile.in (reorg.o): Add params.h dependence.
5195 * params.def: Fix typographical error in comment.
5196 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5197 * params.h: Modify introductory comment.
5198 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5199 * reorg.c: Add dependence on params.h.
5200 (redundant_insn): Add parameterized throttle for search.
5201 (fill_simple_delay_slots): Add a comment explaining a variable.
5202 Move conditional out of loop, simplifying code.
5203 (fill_eager_delay_slots): Fix typographical error in comment.
5205 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5207 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5209 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5210 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5212 2001-02-21 Jason Merrill <jason@redhat.com>
5214 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5215 (struct tree_decl): Add uninlinable bitfield.
5216 * c-decl.c (duplicate_decls): Set it.
5217 * integrate.c (function_cannot_inline_p): Check it.
5219 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5220 DW_AT_MIPS_linkage_name to abstract methods.
5221 (dwarf2out_abstract_function): Emit class context before calling
5222 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5223 (gen_subprogram_die): Remove obsolete code.
5224 (gen_member_die): Don't include clones in the member list.
5225 (gen_decl_die): Emit abstract info for clone origin.
5226 * dwarfout.c (output_type): Don't include clones in the member list.
5227 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5228 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5229 DECL_ABSTRACT on a function that already has it set.
5231 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5232 (get_subprogram_die): Pass it in.
5234 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5236 * flow.c (mark_set_1): Make not_dead unsigned long. For
5237 non-pseudos, use it as a bitmask of the hard regs that
5240 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5242 * cppfiles.c: Update comments.
5243 (_cpp_read_file): Don't check for NULL filenames any more.
5244 * cppinit.c (cpp_start_read): Don't do canonicalization of
5245 in_fname and out_fname. Use the passed file name exclusively.
5246 (_cpp_handle_options): Don't treat "-" as a command line option,
5247 but as a normal filename.
5248 (_cpp_post_options): Canonicalize in_fname and out_fname.
5249 * cppmain.c (printer_init): Don't check out_fname for NULL.
5250 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5251 (init_c_lex): Update, and use "" to represent stdin to CPP.
5254 2001-02-20 Will Cohen <wcohen@redhat.com>
5256 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5257 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5258 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5261 2001-02-20 Stan Shebs <shebs@apple.com>
5263 * config/rs6000/rs6000.c (output_cbranch): Output branches
5264 on separate lines instead of using ';' to separate.
5266 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5268 * cppinit.c (set_lang): Move builtin handling to...
5269 (init_builtins): ...here.
5270 (_cpp_create_reader): Move call to set_lang.
5272 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5274 * stmt.c (expand_return): If an attempt is made to return the
5275 error_mar_node, treat the return like a return without a value.
5277 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5279 * sibcall.c (skip_copy_to_return_value): Call
5280 identify_call_return_value here, and return orig_insn if it
5281 returns zero. Hardret and softret arguments now unnecessary.
5282 (call_ends_block_p): Don't call identify_call_return_value here.
5284 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5286 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5287 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5289 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5291 * pa.c (move_operand): Accept code to load the address of a
5292 symbol out of the DLT as a valid move operand.
5293 (print_operand, case 'A'): New to handle generating a DLT
5294 reference for a LO_SUM expression.
5295 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5296 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5298 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5300 * README, cpp.texi, gcc.texi, version.c: Update version number to
5302 * cpp.1, gcov.1, gcc.1: Regenerate.
5304 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5306 * cppfiles.c (stack_include_file): Generate dependencies
5307 here, and manage include_count here too.
5308 (PRINT_THIS_DEP): Delete.
5309 (_cpp_execute_include): Do not generate dependencies here,
5310 apart from the case of a missing header. Do not manage
5312 (_cpp_read_file): Leave dependency generation to
5315 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5317 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5318 target_cpu_default. Remove dead assignment to
5321 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5323 * regclass.c (contains_reg_of_mode): Make global.
5324 (init_reg_sets): Remove contains_reg_of_mode; take into account
5325 CLASS_MAX_NREGS when looking for the proper mode.
5326 (dump_regclass): Dump only classes considered for the pseudo.
5327 (regclass): Use contains_reg_of_mode.
5329 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5331 * gcc.c (do_spec_1): 'n' for printing notices.
5332 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5334 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5336 * reg-stack.c (next_flags_user): Use current_block->end
5337 (swap_rtx_condition): Look for next user if flags don't die;
5338 give up on CALL_INSNs; use current_block->end.
5340 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5342 * sibcall.c (call_ends_block_p): New function.
5343 (optimize_sibling_and_tail_recursive_call): Use it.
5345 2001-02-18 Kazu Hirata <kazu@hxi.com>
5347 * config/h8300/h8300.md: Update copyright.
5348 (andsi3): Do not output an extra newline character.
5350 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5352 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5353 FNDECL may be unused.
5355 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5356 follow jumps after first run.
5357 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5358 it doesn't change any jumps.
5360 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5362 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5363 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5364 (mostlyclean): Corresponding changes.
5365 * rtlanal.c (hard-reg-set.h): Include.
5366 (rtx_unstable_p): Do not treat the argument pointer specially
5367 if it is not a fixed register.
5368 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5370 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5372 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5373 against last real insn in basic block.
5374 Rework to avoid gotos.
5376 * Makefile.in (gcse.o): Now includes ggc.h.
5377 * gcse.c: Include ggc.h.
5378 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5379 (try_replace_reg): Remove warning of uninitialize variable.
5380 (process_insert_insn): Call invalid_insn_p to validate insn.
5381 * recog.c (insn_invalid_p): Now global.
5382 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5383 * recog.h (insn_invalid_p): New declaration.
5385 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5387 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5388 assignments from FP constants since 'Y' output code can't handle it.
5389 (eligible_for_sibcall_delay): Likewise.
5391 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5392 Call fancy_abort directly, passing args.
5393 (print_rtl_and_abort): Now a macro, like fancy_abort.
5395 * final.c (output_operand_lossage): Use internal_error, not error.
5397 2001-02-18 Shane Nay <shane@agendacomputing.com>
5399 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5400 structure shift insns.
5402 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5404 * invoke.texi (-fsquangle): Remove documentation.
5405 (-fname-mangling-version): Likewise.
5407 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5409 * optabs.c (expand_abs): Remove reference to
5410 HAVE_contitional_arithmetic.
5411 * combine.c (simplify_set): Likewise.
5413 2001-02-18 Richard Henderson <rth@redhat.com>
5415 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5418 2001-02-18 Richard Henderson <rth@redhat.com>
5420 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5422 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5424 * reload1.c (reload_cse_simplify_set): Fix typo.
5426 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5428 * diagnostic.c (_fatal_insn): Decrement errorcount.
5430 * invoke.texi (-I): Add note avoiding use for system header files.
5432 * rtl.h (add_clobbers): Remove duplicate declaration.
5433 * recog.h (added_clobbers_hard_reg_p): New declaration.
5434 * genemit.c (struct clobber_pat): New field has_hard_reg.
5435 (gen_insn): Record if added clobbers clobber hard reg.
5436 (gen_split): Avoid unused warning if number of operands is 0.
5437 (output_added_clobbers_hard_reg_p): New function.
5440 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5442 * pa.c (hppa_expand_prologue): Simplify code storing return
5443 pointer. For large (>=8k) frames with a post_store, adjust stack
5444 pointer by 8k-64 first rather than by 64. When testing with
5445 VAL_14_BITS_P, always use the actual value rather than the value
5446 negated. Add blockage to prevent scheduling of spills before
5447 stack frame has been created.
5448 (hppa_expand_epilogue): Simplify code loading return pointer.
5449 Allow a slightly larger range for merge_sp_adjust_with_load case.
5450 When testing with VAL_14_BITS_P, always use the actual value.
5452 * pa.c (pa_adjust_insn_length): Check that block move
5453 pattern is a set before looking at operands.
5455 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5457 * fold-const.c (fold_binary_op_with_conditional_arg): New
5458 function, split out from ...
5460 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5461 conditional arms that throw exceptions.
5463 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5466 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5468 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5469 define HAVE_DECL_* to 1 to mask potential backup declarations.
5470 * configure: Regenerated.
5472 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5474 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5476 2001-02-17 Richard Henderson <rth@redhat.com>
5478 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5479 when replacing a memory load with a register.
5481 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5482 Jan Hubicka <jh@suse.cz>
5484 * recog.c (validate_replace_src_1): New.
5485 (validate_replace_src_data): Likewise.
5486 (validate_replace_src): Use note_uses.
5487 * rtl.h (note_uses): Declare.
5488 * rtlanal.c (note_uses): New.
5490 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5492 * reg-stack.c (stack_def): Make field reg unsigned.
5493 (remove_regno_note): Unsignetize parameter.
5495 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5497 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5498 shladd_operand() call.
5500 2001-02-16 Bruce Korb <bkorb@gnu.org>
5501 Rodney Brown <RodneyBrown@mynd.com>
5503 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5504 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5505 machine restrictions
5506 * fixinc/fixincl.x: regen
5508 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5510 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5512 (hash_scan_insn): Clean up calls to hash_scan_set.
5513 (compute_kill_rd): REGNO now unsigned.
5514 (try_replace_reg): Rework to use simplify_replace_rtx.
5515 (cprop_jump, cprop_cc0_jump): Likewise.
5516 (cprop_insn): Call find_reg_equal_equiv_note.
5517 Reflect changes to cprop_jump and cprop_cc0_jump.
5519 * recog.c (validate_replace_src): Replace in operands of
5520 ZERO_EXTRACT in SET_DEST.
5522 * cse.c (new_label_ref): New variable.
5523 (insert): Set it instead of recorded_label_ref.
5524 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5525 CODE_LABEL for this function, and not already in REG_LABEL note.
5527 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5529 * resource.c (mark_referenced_resources): Fix typo in introductory
5531 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5534 2001-02-16 Jason Merrill <jason@redhat.com>
5536 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5538 (gen_subprogram_die): Don't abort on seeing a second definition if
5539 the previous one was abstract. Don't replace an abstract instance
5540 in the lookup table.
5542 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5543 gen_abstract_function.
5544 * dwarf2out.h: Declare it.
5545 * toplev.c (note_outlining_of_inline_function): New fn.
5546 * toplev.h: Declare it.
5547 * integrate.c (output_inline_function): Call it.
5548 * c-decl.c (duplicate_decls): Call it when redefining an extern
5549 inline. Don't inline the new defn.
5551 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5553 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5555 * .gdbinit: Rename to gdbinit.in.
5556 * gdbinit.in: New file,
5557 * configure.in: Generate .gdbinit from gdbinit.in.
5558 * configure: Regenerated.
5559 * Makefile.in (distclean): Always remove .gdbinit.
5561 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5563 * objc/objc-act.c (start_class): Register implemented_classes with
5566 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5568 * cppfiles.c (_cpp_make_system_header): Generate a file
5571 2001-02-15 Jim Meyering <meyering@lucent.com>
5573 * Makefile.in (install-common): Don't depend on installdirs here.
5574 Instead, make each of the lang.install-common targets (e.g.,
5575 c++.install-common in cp/Make-lang.in) depend on it.
5576 (install-driver): Depend on installdirs.
5578 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5580 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5582 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5585 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5587 * invoke.texi (--param): Document.
5589 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5591 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5593 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5595 * i386.md (extendsfdf2_2): Fix constraints.
5597 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5599 * i386.md (fop_df_3 splitter): Fix operand number.
5601 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5603 * invoke.texi (-mreg-alloc): Nuke.
5604 * i386.c (ix86_reg_alloc_order, regs_allocated,
5605 order_regs_for_local_alloc): Nuke.
5606 (override_options): Kill reg_alloc code.
5607 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5608 (REG_ALLOC_ORDER): SSE goes before I387.
5609 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5610 (ix86_reg_alloc_order): Likewise.
5611 * i386-protos.h (ix86_reg_alloc_order): Kill.
5613 2001-02-14 Richard Henderson <rth@redhat.com>
5615 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5617 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5619 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5621 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5623 * i386-protos.h (ix86_memory_move_cost): Move offline.
5624 * i386.c (ix86_register_move_cost): Compute properly cost of
5625 SSE, MMX and i387 instructions.
5626 (*_cost): Add costs of SSE/MMX moves.
5627 (ix86_memory_move_cost): Move offline from ....; Likewise.
5628 * i386.h (MEMORY_MOVE_COST): .... here;
5629 (struct processor costs): Add new fields to represent costs
5632 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5634 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5635 move_cost together with Matt Kraai's fix.
5637 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5639 * Makefile.in (OBJS): Add params.o.
5641 2001-02-14 Richard Henderson <rth@redhat.com>
5642 DJ Delorie <dj@redhat.com>
5644 * jump.c (jump_optimize_1): When we delete a conditional jump
5645 preceeding a non-conditional jump to effectively the same place,
5646 make sure that the combined jump skips any clobber insns between
5649 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5651 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5653 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5655 * Makefile.in (toplev.o): Depend on params.h.
5656 (intergate.o): Likewise.
5657 (params.o): New target.
5658 * flags.h (inline_max_insns): Remove.
5659 * integrate.c: Include params.h.
5660 Use MAX_INLINE_INSNS instead of inline_max_insns.
5661 * params.c: New file.
5662 * params.h: Likewise.
5663 * params.def: Likewise.
5664 * toplev.c: Include params.h.
5665 (lang_independent_params): New variable.
5666 (decode_f_option): Use the param machinery instead of setting
5668 (independent_decode_option): Handle "--param name=value".
5669 (main): Register language-independent parameters.
5671 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5673 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5675 2001-02-14 Richard Henderson <rth@redhat.com>
5677 * regclass.c (init_reg_sets_1): Revert last two changes.
5679 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5681 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5682 (variable_size): Call put_pending_size.
5683 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5684 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5685 sizes list, put newly created SAVE_EXPR there as well.
5687 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5689 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5690 (errata_find_address_regs): load_group has only 2 entries.
5691 (errata_emit_nops): Likewise. shladd is not problematic.
5692 Clear last_group if nop was emitted.
5693 (fixup_errata): load_group has only 2 entries.
5696 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5698 * c-lex.c (lex_number): Only warn traditionally for U suffix
5699 outside system macros.
5700 * cppexp.c (parse_number): Similarly.
5701 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5702 * cppmacro.c (struct cpp_macro): New member node.
5703 (parse_args): Only warn about missing rest args if not
5705 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5706 (cpp_sys_objmacro_p): New.
5707 (_cpp_create_definition): Store the node with the macro defn.
5708 Remember if the macro is defined in a system header.
5710 2001-02-13 DJ Delorie <dj@redhat.com>
5712 * configure.in (check_languages): determine languages to check
5713 * Makefile.in (check-c++): alias for check-g++
5714 (check-f77): alias for check-g77
5715 (CHECK_TARGETS): depend on configured languages
5717 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5719 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5720 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5721 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5722 (sqrtextendsfdf2): Disable for SSE2.
5724 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5726 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5727 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5728 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5729 (sqrtextendsfdf2): Disable for SSE2.
5731 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5733 * i386.md (movsfcc_1): Support integer cmove instruction.
5734 (movdfcc_1): Likewise; new splitter.
5736 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5738 * i386.c (output_fp_compare): Support SSE.
5739 (prepare_fp_compare_args): SSE comparisons always support memory.
5740 * i386.h (TARGET_CMOVE): SSE imply cmove.
5741 * i386.md (cmp?f2): Enable for SSE too.
5742 (cmpfp_i*): Support SSE.
5744 (cmpfp_i_sse_only): New.
5745 (s*, b* fp expanters): Enable for SSE too.
5746 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5749 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5751 * regclass.c (init_reg_sets_1): Silence warning.
5753 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5755 * i386.md (sqrt?f2): Change to expander.
5756 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5758 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5760 * rtlanal.c (find_reg_equal_equiv_note): New function.
5761 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5762 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5763 * rtl.h: Add declarations for above functions.
5765 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5767 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5769 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5770 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5771 * flow.c (mark_regs_live_at_end): Likewise.
5772 (calculate_global_regs_live): Likewise.
5773 * gcse.c (compute_hash_table): Likewise.
5774 (compute_kill_rd): Likewise.
5775 * resource.c (mark_target_live_regs): Likewise.
5776 * rtl.h (INVALID_REGNUM): New macro.
5778 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5780 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5782 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5784 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5787 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5789 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5791 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5792 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5793 (fop_sf_1_sse, fop_df_1_sse): New patterns
5794 (fop_*): Disable float_extend and float patterns for SSE compilation.
5795 * i386.c (output_387_binary_op): Support SSE.
5797 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5799 * i386.md (dummy_extendsfdf2): Support SSE2
5800 (extendsfdf2): Enable if 80387 or SSE2.
5801 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5802 and no MIX_I387_SSE2
5803 (extendsfdf2_1_sse_only): New pattern.
5804 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5806 (truncdfsf2_1): Support SSE.
5807 (truncdfsf2_2): Support SSE.
5808 (truncdfsf2_2_1_sse): New pattern.
5809 (fixtruncsfsi2): Always use SSE if available.
5810 (fix_truncsfsi_sse): New pattern.
5811 (fix_truncdfsi_sse): New pattern.
5812 (floatsis?f2): Support SSE.
5813 (floatsidf2_i387): New pattern.
5814 (floatsidf2_sse): Likewise.
5816 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5818 * configure.in: Use "have_gnat" variable, not "gnat".
5819 * configure: Regenerated.
5821 * config/sparc/sparc.c (function_value): Treat all non-record
5822 aggregate types like used to treat UNION_TYPE.
5824 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5826 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5827 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5829 (MASK_MIX_SSE_I387): New.
5830 (TARGET_SSE): SSE2 imply SSE.
5831 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5832 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5833 (enum reg_class): Add new classes.
5834 (REG_CLASS_NAMES): Likewise.
5835 (REG_CLASS_CONTENTS): Likewise.
5836 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5837 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5838 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5839 (CLASS_MAX_NREGS): Use new macros.
5840 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5841 * i386.md (pushsf, movsf): Support SSE.
5842 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5843 splitters to use ANY_FP_REGNO_P.
5844 (movdf_nointeger, movdf_integer): Likewise.
5846 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5848 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5849 (try_combine): Use it.
5851 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5853 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5854 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5855 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5856 (REGISTER_MOVE_COST): Likewise.
5857 * i386-protos.h (ix86_secondary_memory_needed,
5858 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5859 * i386.c (ix86_secondary_memory_needed,
5860 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5862 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5864 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5865 (HARD_REGNO_MODE_OK): Move offline to ....
5866 * i386.c (ix86_hard_regno_mode_ok) ... here;
5867 refuse all incorrect modes.
5868 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5870 2001-02-13 Richard Henderson <rth@redhat.com>
5872 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5873 entire operator; replicate that and match_dup the operands.
5874 (cmp_ccx_arith_op_set): Likewise.
5875 (cmp_cc_arith_op_not_set): Likewise.
5876 (cmp_ccx_arith_op_not_set): Likewise.
5878 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5880 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5882 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5884 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5885 (TARGET_NO_BITFIELD_WORD): New macro.
5886 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5887 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5889 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5891 * cselib.c: New file, from simplify-rtx.c.
5892 * simplify-rtx.c: Remove cselib parts.
5893 * Makefile.in: Add cselib.o.
5895 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5897 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5898 (setup_incoming_varargs): Remove warning.
5900 * config/rs6000/rs6000.c (validate_condition_mode): When
5901 flag_fast_math, allow floating-point conditionals to be reversed.
5902 (rs6000_generate_compare): When flag_fast_math, don't generate
5903 cror operations for FP conditionals.
5905 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5907 (ASM_SPEC): Likewise.
5908 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5909 (CC1_SPEC): Likewise.
5910 (LINK_TARGET_SPEC): Likewise.
5911 (CPP_ENDIAN_SPEC): Likewise.
5912 * Makefile.in (check-consistency): New target.
5914 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5916 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5917 "return type defaults" warning for functions with return type
5919 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5920 function declarations by default rather than only when pedantic.
5922 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5924 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5927 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5929 * extend.texi (Deprecated): Deprecate new initializer lists.
5931 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5933 * mkdeps.c (deps_add_default_target): Robustify. Add
5934 basename component only.
5935 * cpp.texi (-M): Describe how default target is generated.
5936 * invoke.texi (-M): Likewise.
5938 2001-02-12 Kazu Hirata <kazu@hxi.com>
5940 * toplev.c (push_float_handler): Remove.
5941 (pop_float_handler): Remove.
5942 * toplev.h: Remove prototypes for the above functions.
5944 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5946 * c-common.c (constant_fits_type_p): New function.
5947 (convert_and_check): Use it.
5949 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5951 * Makefile.in (GXX_ABI_FLAG): Don't define.
5952 * configure.in (--enable-new-gxx-abi): Remove option.
5953 * config.in: Regenerated.
5954 * configure: Likewise.
5956 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5958 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5960 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5961 regular basic block, and arrange for all edges into it to switch
5964 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5966 * Makefile.in (distclean): Do not remove .gdbinit.
5968 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5970 * Makefile.in (gcc.o): Fix typos.
5971 (protize.o): Likewise.
5972 (unprotoize.o): Likewise.
5974 2001-02-11 Richard Henderson <rth@redhat.com>
5976 * tree.c (build1): Check for null operand in last change.
5978 2001-02-11 Richard Henderson <rth@redhat.com>
5980 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5981 (fold): Don't assume a constant isn't foldable.
5982 * tree.c (build): Set TREE_CONSTANT for an expression with no
5983 side-effects and constant operands.
5986 2001-02-10 Richard Henderson <rth@redhat.com>
5988 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5990 2001-02-10 Anthony Green <green@redhat.com>
5992 * cpp.texi (Standard Predefined): Add documentation for
5995 * c-common.c (combine_strings): Improve warning message.
5997 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5999 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6001 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6003 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6005 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6008 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6010 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6013 2001-02-09 Nick Clifton <nickc@redhat.com>
6015 * config/arm/arm.md: Change output contraint on post inc
6016 load/store multiple patterns to be a read/write contraint.
6018 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6020 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6021 .o files when using the -M options.
6023 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6024 David Edelsohn <edelsohn@gnu.org>
6026 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6027 handle DImode constants. Use one TOC entry for SImode and smaller
6028 constants, aligned properly.
6030 2001-02-08 Jason Merrill <jason@redhat.com>
6032 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6033 about the SP adjustment for saving the static chain pointer.
6034 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6035 offset when setting a temporary CFA register.
6037 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6039 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6040 powerpc-*-chorusos* .
6041 * config/rs6000/chorus.h : New file.
6042 * config/i386/chorus.h : New file.
6043 * config/sparc/chorus.h : New file.
6044 * config/sparc/t-chorus-elf : New file.
6046 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6048 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6049 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6050 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6051 (__WCHAR_TYPE__): Correct macro name.
6053 2001-02-08 Richard Henderson <rth@redhat.com>
6055 * config/i386/i386.c (ix86_frame_pointer_required): New.
6056 (ix86_setup_frame_addresses): New.
6057 (struct machine_funciton): Add accesses_prev_frame.
6058 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6059 ix86_frame_pointer_required.
6060 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6061 (SETUP_FRAME_ADDRESSES): New.
6062 * config/i386/i386-protos.h: Update.
6063 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6064 from FRAME_POINTER_REQUIRED.
6065 * config/i386/svr3gas.h: Likewise.
6066 * config/i386/sysv3.h: Likewise.
6067 * config/i386/v3gas.h: Likewise.
6069 2001-02-08 Richard Henderson <rth@redhat.com>
6071 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6072 calculation of the number of integer registers required.
6073 (function_arg_record_value): Likewise.
6075 2001-02-08 Jason Merrill <jason@redhat.com>
6077 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6078 two. Print file and line with "confused" message.
6080 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6082 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6084 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6086 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6088 * final.c (cleanup_subreg_operands): The address of a MEM can
6091 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6094 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6096 * gcc.texi (Incompatibilities): Update documentation of
6097 preprocessing numbers.
6099 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6101 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6103 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6105 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6107 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6108 * gcc.c (struct compiler): Add cpp_spec field.
6109 (input_file_compiler): New variable.
6110 (do_spec_1): Allow a particular compiler to handle `%C'
6112 (main): Store the current compiler in input_file_compiler.
6113 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6115 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6117 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6118 * cppinit.c (cpp_create_reader): Initialize them.
6119 (append_include_chain): cxx_aware arg might be unused.
6120 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6121 keywords and give them their phase 7 meaning. Pedwarn about
6122 this unless '__bool_true_false_are_defined' is defined.
6124 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6126 * lcm.c (optimize_mode_switching): Emit mode_set before the
6127 JUMP_INSN of an abnormal edge.
6129 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6131 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6132 a scheduling barrier at the end.
6134 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6136 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6138 * config/sh/sh.md (reload_outsf): Removed.
6139 (movsf_ie): Introduce constraints for FPUL loads and stores.
6140 (reload_insf): Broaden the output constraint.
6142 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6144 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6145 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6147 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6149 * final.c: Revert my previous changes.
6150 * output.h: Make profile_label_no extern.
6151 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6152 for generating label.
6154 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6156 * config/i386/djgpp.h: Add comments about standard paths.
6157 (MD_EXEC_PREFIX): Undefine before defining.
6158 (MD_STARTFILE_PREFIX): New.
6160 2001-01-30 Bruce Korb <bkorb@gnu.org>
6162 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6163 (load_file): do not rely on load_file_data() to close file pointer
6164 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6165 fixinc/inclhack.def(irix_limits_const): add test_text
6167 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6169 * cppexp.c (parse_defined): Improve diagnostics for invalid
6172 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6174 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6176 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6178 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6179 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6180 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6181 (rs6000_output_symbol_ref): New function.
6182 (output_toc): Use VTABLE_NAME_P.
6184 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6186 * print-tree.c (print_node, case PARM_DECL):
6187 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6189 * stor-layout.c (reference_types_internal): New variable.
6190 (internal_reference_types): New function.
6191 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6192 * tree.h (internal_reference_types): New declaration.
6194 * cse.c (find_best_addr): Fix typo in computing cost.
6196 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6198 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6199 and this is the sum of a pointer and a constant, we know the result
6201 (num_sign_bit_copies, case PLUS): Likewise.
6202 * explow.c (convert_memory_address): Remove opposite SUBREG.
6203 * function.c (instantiate_new_reg): New function (from common code).
6204 (instantiate_virtual_regs_1): Call it.
6205 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6206 if pointers sign- or zero-extend.
6207 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6208 If pointers extend unsigned, use inside of SUBREG.
6209 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6211 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6213 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6214 subdir of gcc_gxx_include_dir.
6215 (gcc_gxx_target_include_dir): Remove.
6217 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6219 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6220 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6221 a high-level description.
6223 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6225 * final.c: Move the declaration of profile_label_no to ...
6226 * output.h: ... here.
6227 * function.c (expand_function_start): Call PROFILE_HOOK.
6228 * config/rs6000/aix.h: Define PROFILE_HOOK.
6229 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6230 * config/rs6000/rs6000.c (output_profile_hook): Define.
6231 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6232 output_profile_hook.
6233 tm.texi : Explain new macro PROFILE_HOOK.
6235 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6237 * extend.texi (Extended Asm): Do not say that semicolon is always
6238 a valid line-breaking character for GNU assemblers. Use
6239 newline-tab as the most commonly supported syntax. Use
6240 newline-tab rather than semicolon in multi-insn examples.
6242 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6244 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6246 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6247 David Edelsohn <edelsohn@gnu.org>
6249 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6250 code for AIX, even without flag_pic.
6252 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6254 * c-typeck.c (common_type): push and pop binding level around
6255 calling common_type on function parameters.
6257 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6259 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6261 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6263 * config/mips/mips.c (override_options): Fix typo in last change.
6264 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6265 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6267 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6269 * invoke.texi (-fdump-class-layout): Document.
6270 (-fdump-translation-unit): Use `=' as filename separator.
6272 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6274 * Makefile.in (s-mlib): Don't build multilibs if
6276 (DRIVER_DEFINES): Adjust accordingly.
6278 (protoize.o): Likewise.
6279 (unprotoize.o): Likewise.
6280 * configure.in: Recognize --enable-multilib.
6282 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6284 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6286 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6287 * configure.in: Remove --enable-libstdcxx_v3 support.
6288 * configure: Regenerated.
6290 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6292 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6293 Call abort instead of fatal.
6294 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6295 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6296 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6297 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6298 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6299 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6301 * diagnostic.h (set_internal_error_function): Renamed.
6302 * toplev.h (internal_error): Renamed from fatal.
6303 (pfatal_with_name): Deleted.
6304 (fatal_io_error): Now has printf-style arguments.
6305 * diagnostic.c (pfatal_with_name): Deleted.
6306 (fatal_io_error): Rework to have args in printf-style.
6307 (set_internal_error_function): Renamed from set_fatal_function.
6308 (internal_error): Renamed from fatal.
6309 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6310 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6311 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6312 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6313 * flow.c (verify_flow_info): Likewise.
6314 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6315 * config/mips/mips.c (save_restore_insns): Likewise.
6317 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6318 * flow.c (verify_flow_info): Likewise.
6319 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6320 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6321 (avr_normalize_condition): Likewise.
6322 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6323 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6324 (limit_reload_class, double_reg_to_memory): Likewise.
6325 (print_operand_address, emit_1600_code_shift): Likewise.
6326 (gen_tst_reg, gen_compare_reg): Likewise.
6327 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6328 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6330 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6332 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6333 * objc/objc-act.c (build_ivar_chain): Likewise.
6334 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6336 * graph.c (clean_graph_dump_file): Likewise.
6337 * profile.c (init_branch_prob): Likewise.
6338 * objc/objc-act.c (objc_init): Likewise.
6340 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6341 * config/avr/avr.c (avr_override_options): Likewise.
6342 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6343 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6344 * config/h8300/h8300.c (h8300_init_once): Likewise.
6345 * config/mips/mips.c (override_options): Likewise.
6346 * config/i386/i386.c (override_options): Likewise, rework.
6347 * config/m68k/m68k.c (override_options): Likewise.
6349 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6351 * config/mips/mips.c (print_operand): Likewise.
6352 * hash.c (hash_allocate): Don't check for failure returns from
6353 obstack functions that can't fail.
6354 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6355 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6356 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6357 (get_object_reference): Likewise.
6359 2001-02-04 Nick Clifton <nickc@redhat.com>
6361 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6362 StrongARM1110, 10TDMI, and 1020T.
6364 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6366 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6368 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6370 * config/sh/sh.md (movdf load split): Pass register number to
6371 FP_OR_XD_REGISTER_P.
6373 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6375 * cppinit.c (BC): New macro.
6376 (builtin_array): Add __GXX_WEAK__.
6377 * cpplib.h (builtin_type): Add BT_WEAK.
6378 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6379 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6380 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6382 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6384 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6386 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6388 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6389 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6391 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6393 * cpphash.h: Rename ALIGN _ALIGN.
6394 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6396 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6398 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6399 compilation environment.
6400 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6401 control over location of cygwin includes and libs.
6403 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6405 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6407 2001-02-02 lars brinkhoff <lars@nocrew.org>
6409 * md.texi (Standard Names): remove reference to spur.md.
6411 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6413 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6414 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6415 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6416 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6417 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6419 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6421 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6422 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6423 number before reload.
6424 (c4x_adjust_cost): Return zero before reload.
6425 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6426 split before reload.
6428 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6430 * c4x.c (c4x_hard_regno_rename_ok): New.
6431 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6432 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6434 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6436 * diagnostic.h: Add missing "extern" in all declarations.
6438 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6440 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6441 as for gcc_gxx_include_dir.
6443 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6445 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6447 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6449 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6450 label before alignment to be used as the braf base address.
6451 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6453 (casesi_jump_2): Require at least TARGET_SH2.
6455 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6456 truncation to 32-bit doubles on -m3e and -m4-single-only.
6458 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6460 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6461 the default when building a shared object.
6462 (init_spec): Use it.
6463 * testsuite/lib/g++.exp: Include the directory where libgcc
6464 is located to the LD_LIBRARY_PATH list.
6465 * invoke.texi (-shared-libgcc): Document the cases in which
6466 GCC defaults to using the shared libgcc.
6468 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6470 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6471 unsigned is wide enough.
6473 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6474 (si_to_float): Likewise.
6475 (float_to_si, float_to_usi): Use BITS_PER_SI.
6477 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6479 * dwarf2out.c: Added explanation of abbreviations.
6480 (def_cfa_1): Added comments listing DWARF2 instructions.
6481 (cfa_temp_reg): Removed in favor of cfa_temp.
6482 (cfa_temp_value): Removed in favor of cfa_temp.
6483 (cfa_temp): New global variable.
6484 (dwarf2out_frame_debug_expr): Added extensive introductory
6485 comments explaining the function's transformations. Revised to
6486 use cfa_temp. Added some rtx checking. Generalize IOR case.
6487 (dwarf2out_frame_debug): Revised to use cfa_temp.
6488 (output_aranges): Cast as "unsigned" to avoid warning.
6489 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6490 explain which instructions must be marked.
6492 2001-02-01 Richard Henderson <rth@redhat.com>
6494 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6497 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6499 * config/sh/crt1.asm (main_k): Modified so that start calls
6500 ___setup_argv_and_call_main.
6502 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6504 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6505 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6506 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6507 * cppmacro.c (builtin_macro): Set builtin flags here.
6508 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6509 (replace_args): Clarify intent.
6510 (cpp_get_token): Macro expansion tokens get the saved flags.
6512 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6515 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6517 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6520 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6522 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6523 returns Pmode pseudo, but we need ptr_mode.
6524 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6525 Remove bogus conversions; use HOST_WIDE_INT for size.
6526 Don't use TARGET if wrong mode.
6528 * config/i386/i386.c (ix86_compute_frame_size): Allow
6529 stack_alignment_needed to be non-default even if size is zero.
6531 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6533 * pa.c (hppa_init_pic_save): New function.
6534 * pa.h (hppa_init_pic_save): Declare.
6535 * pa.md (call, call_value, sibcall, sibcall_value): Use
6536 the above instead of duplicated code.
6538 * pa.c (hppa_encode_label): Correct size of alloca buffer
6539 so we don't overrun it. Correct leading `*' case.
6540 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6541 need to handle `*@'.
6542 (FUNCTION_NAME_P): Likewise.
6544 2001-01-31 Richard Henderson <rth@redhat.com>
6546 * config.gcc (alpha-osf5): Use float-i128.h.
6548 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6549 * config/float-i32.h: Likewise.
6550 * config/float-i64.h: Likewise.
6551 * config/float-sh.h: Likewise.
6552 * config/float-sparc.h: Likewise.
6554 2001-01-31 DJ Delorie <dj@redhat.com>
6556 * expmed.c (extract_bit_field): allow non-integral modes if we
6557 want to extract a whole register from itself.
6559 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6561 * c-typeck.c (set_init_index): If first is equal to last, assume as
6562 if it was not a range at all.
6564 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6566 * config/fp-bit.c: Include tm.h.
6567 (float_to_si): Don't assume SImode is 32-bits wide.
6568 (float_to_usi): Likewise.
6570 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6572 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6574 (typename): Call pending_xref_error after parsing typed_typespecs.
6575 * c-decl.c (lookup_tag): Give error immediately rather than
6576 leaving it pending if the tag of the wrong type is in the same
6578 (xref_tag): Don't pedwarn for forward declarations of enum types
6580 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6583 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6585 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6587 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6589 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6590 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6592 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6594 * cpphash.h (struct cpp_reader): New saved_flags.
6595 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6596 to avoid a paste after a pasted token.
6598 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6600 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6601 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6602 Wtype_MIN instead of LONG_MIN.
6604 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6606 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6608 * fixinc/fixincl.x: Regenerated.
6609 * fixinc/inclhack.def (irix_limits_const): New definition to
6610 convert "const" to "__const" in limits.h.
6612 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6614 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6616 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6618 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6619 when register dies in the insn.
6621 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6623 * diagnostic.c (fatal): Fix word wrap.
6625 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6627 * combine.c (try_combine): Fix SUBREG setting for
6628 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6630 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6632 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6635 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6637 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6639 * toplev.c (decode_W_option): Update warn_larger_than
6640 unconditionally for each processed switch.
6642 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6644 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6646 (hppa_expand_prologue): Delete code to save pic offset table register
6647 in the function prologue.
6648 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6649 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6650 table register at the beginning of the function after the prologue.
6652 2001-01-29 lars brinkhoff <lars@nocrew.org>
6654 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6656 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6657 Jeff Law <law@redhat.com>
6659 * pa.md (return): Revise comment for trivial return.
6660 (return_internal): Non-trivial return pattern for non-PIC code.
6661 (return_internal_pic): Non-trivial return pattern for PIC code.
6662 It uses the PIC register to ensure it is restored after
6664 (epilogue): Generate appropriate return for PIC and non-PIC code.
6666 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6668 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6670 2001-01-29 DJ Delorie <dj@redhat.com>
6672 * combine.c (if_then_else_cond): Pass the correct mode to
6673 operand_subword() for constants.
6675 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6677 * config/i386/cygwin.h: Add w32api to include search. Search different
6678 directories in a cross-build environment.
6680 2001-11-29 Tim Josling <tej@melbpc.org.au>
6682 * tree.h (TYPE_STUB_DECL): Add documentation.
6684 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6686 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6687 (sdbout_field_types): Likwise. Fix use of host_integerp.
6689 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6691 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6694 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6696 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6697 to use flag_gnu_linker.
6699 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6701 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6702 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6704 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6706 * tree.c, tree.h (build_parse_node): Remove; was identical to
6708 * c-lang.c (start_cdtor), objc/objc-act.c
6709 (build_module_descriptor): Use build_nt instead of
6712 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6714 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6715 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6716 not have any upper bits set.
6718 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6720 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6722 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6724 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6726 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6728 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6729 (integer_minus_one_node): Define.
6731 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6733 * Makefile.in (bootstrap2-lean): Fix typo.
6735 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6737 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6738 : Don't set fe_value.
6739 * cpplib.h (AVOID_LPASTE): New flag.
6740 (struct cpp_hashnode): Remove fe_value.
6741 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6742 * cppmacro.c (builtin_macro): Don't set flags here.
6743 (replace_args): Set AVOID_LPASTE flag on first token of an
6744 argument, and the token following it.
6745 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6746 macro expansion, and on the token following it. Do it for
6748 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6750 2001-01-27 Richard Henderson <rth@redhat.com>
6752 * config/alpha/t-ieee: Remove multilibbing.
6753 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6755 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6757 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6759 * Makefile.in: Remove all dependencies on defaults.h.
6760 * builtins.c: Don't include defaults.h.
6761 * c-common.c: Likewise.
6762 * c-decl.c: Likewise.
6763 * c-pragma.c: Likewise.
6764 * c-typeck.c: Likewise.
6765 * combine.c: Likewise.
6767 * frame-ia64.c: Likewise.
6768 * cppexp.c: Likewise.
6769 * crtstuff.c: Likewise.
6770 * dbxout.c: Likewise.
6771 * dwarf2out.c: Likewise.
6772 * dwarfout.c: Likewise.
6773 * emit-rtl.c: Likewise.
6774 * except.c: Likewise.
6776 * final.c: Likewise.
6777 * frame-dwarf2.c: Likewise.
6778 * libgcc2.c: Likewise.
6779 * optabs.c: Likewise.
6780 * profile.c: Likewise.
6781 * sdbout.c: Likewise.
6782 * toplev.c: Likewise.
6783 * tradcif.y: Likewise.
6785 * varasm.c: Likewise.
6787 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6789 * builtins.c (expand_builtin_fputs): Use size_one_node when
6790 transforming into fwrite.
6792 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6794 * extend.texi (Attribute Syntax): New section.
6796 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6798 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6799 they didn't need fixing.
6801 2001-01-27 Janis Johnson <janis@us.ibm.com>
6803 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6805 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6806 to remove macro definitions that are duplicated from elfos.h.
6808 2001-01-27 Richard Henderson <rth@redhat.com>
6810 * config/i386/sco5gas.h: Move ...
6811 * config/usegas.h: ... here.
6812 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6814 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6816 * c-typeck.c (struct constructor_stack): Add range_stack member.
6817 (really_start_incremental_init): Clear it.
6818 (push_init_level): Save constructor_range_stack and clear it if
6819 pushing explicit braces.
6820 (pop_init_level): abort if constructor_range_stack is non-zero at
6821 explicit closing brace. Restore saved constructor_range_stack if
6824 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6826 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6827 into register was forced into memory.
6829 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6831 * Makefile.in: Remove uses of + before $(MAKE).
6833 2001-01-26 Richard Henderson <rth@redhat.com>
6835 * stmt.c (cost_table): Remove.
6836 (COST_TABLE, cost_table_initialized): New.
6837 (estimate_case_costs): Use the later instead of the former.
6838 (balance_case_nodes): Likewise.
6840 2001-01-26 Richard Henderson <rth@redhat.com>
6842 * alias.c (objects_must_conflict_p): Read-only slots may not
6843 conflict despite having the same type.
6845 2001-01-27 Michael Hayes <mhayes@redhat.com>
6847 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6849 (check_ext_dependant_givs): Initialise u_start_val and
6851 (load_mems): Make last_max_reg unsigned.
6852 (try_swap_copy_prop): Use INSN_P and initialise set.
6854 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6856 * README.AVR : Removed.
6858 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6860 * pa-64.h (text_section): Remove declaration.
6862 * pa.md (return_internal): Remove mode on PIC register use.
6864 2001-01-25 lars brinkhoff <lars@nocrew.org>
6866 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6867 ASM_CLOSE_PAREN): fix typos.
6869 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6871 * acconfig.h: Define `const' to the empty string if neither
6872 __STDC__ nor __cplusplus is defined.
6873 * config.in: Regenerated.
6875 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6877 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6878 * collect2.c (main): Delete importf. Add ".obj" file extension.
6879 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6880 (aix_std_libs): Add additional AIX libraries to skip.
6881 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6882 * config/rs6000/aix51.h: New file.
6884 2001-01-25 Michael Hayes <mhayes@redhat.com>
6886 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6887 (loop_insn_emit_before): No longer static.
6888 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6889 (loop_givs_rescan, load_mems): Likewise.
6890 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6891 (maybe_eliminate_biv_1):
6892 (move_movables): Replace emit_call_insn_before with
6893 loop_call_insn_hoist.
6894 * loop.h (loop_insn_emit_before): Add.
6895 * unroll.c (copy_loop_body): Replace emit_insn_before with
6896 loop_insn_emit_before.
6898 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6900 * diagnostic.c (fatal): Request preprocessed source.
6902 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6904 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6905 olddecl has argument types and newdecl has none, use the argument
6908 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6910 * dwarf2out.c (prefix_of): New function. Determine longest common
6911 prefix of the two arguments. The units are whole path components.
6912 (output_file_names): When adding a new directory find the one entry
6913 with the longest common prefix already in the list. Artificially
6914 generate entry if there is none for this prefix.
6915 Fix test to check whether the zeroth directory entry is used.
6917 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6919 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6920 Changed all callers. Take it into account when deciding if a
6921 previously loaded value matches.
6923 2001-01-24 Richard Henderson <rth@redhat.com>
6925 * reload.c (find_reloads_subreg_address): Fail the substitution
6926 if the resulting address is insufficiently aligned.
6928 2001-01-24 DJ Delorie <dj@redhat.com>
6930 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6931 check the original operand's mode also.
6932 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6934 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6936 * c-parse.in (cast_expr): Move compound literals from here ...
6937 (primary): ... to here. Use standard terminology "compound
6938 literal" instead of "constructor expression".
6940 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6942 * gcc.1, cpp.1: Regenerate.
6944 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6946 * calls.c (emit_library_call_value_1): Memory slot for
6947 pass-by-reference argument should have the mode of the argument,
6948 not of the pointer to it.
6950 2001-01-24 Tom Tromey <tromey@redhat.com>
6952 * gcc.texi (G++ and GCC): Mention gcj manual.
6953 (Standards): Link to section of manual mentioning gcj/Java
6956 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6958 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6959 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6960 * tradcpp.c (main): Add -imacros or -include'd dependencies
6962 * cpp.texi (-M, -MM): Document -M -include behaviour.
6964 2001-01-24 Roger Collins <roger@ProProject.com>
6966 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6968 2001-01-24 Will Cohen <wcohen@redhat.com>
6970 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6971 whether registers are 32 bits or 64 bits in size.
6973 2001-01-24 Ben Elliston <bje@redhat.com>
6975 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6977 2001-01-24 Richard Henderson <rth@redhat.com>
6979 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6980 (builtin_longjmp): Use it instead of emit_indirect_jump.
6982 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6984 * bb-reorder.c (make_reorder_chain_1): Handle case where
6985 jump edge goes to the same block as the fallthru edge.
6987 2001-01-23 Jim Wilson <wilson@redhat.com>
6989 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6990 * frame.h (__ia64_personality_v1): Add prototype.
6991 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6992 prototype form. Add void * cast to first argument to personality
6994 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6995 (asctoe113): Likewise.
6996 * config/ia64/frame-ia64.c: Include eh-common.h.
6997 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6999 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7001 (itanium_split_issue): Add prototype.
7002 (gen_nop_type): Ifdef out.
7003 (find_best_packet): Initialize best_packet.
7004 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7006 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7007 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7008 (flushrs): Add explicit stop bit at end.
7009 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7012 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7014 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7016 * libgcc2.c (__terminate_func): Make variable static.
7017 (__terminate_set_func): New function to set __terminate_func.
7018 * libgcc2.h (__terminate_func_ptr): New typedef.
7019 (__terminate_set_func): New function.
7021 2001-01-23 Richard Henderson <rth@redhat.com>
7023 * flow.c (init_propagate_block_info): Don't consider unchanging
7024 memories for dead frame store elimination.
7026 2001-01-23 Richard Henderson <rth@redhat.com>
7028 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7029 * defaults.h: ... here.
7031 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7033 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7035 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7037 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7039 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7041 * rs6000.h (rs6000_return_addr): Move prototype from here...
7042 * rs6000-protos.h (rs6000_return_addr): ...to here.
7043 (rs6000_init_expanders): Delete prototype.
7045 2001-01-23 Nick Clifton <nickc@redhat.com>
7047 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7048 (Spec Files): Document %B and %j and %. and %v3 and %M and
7049 %{S*&T} spec switches.
7051 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7053 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7055 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7056 Neil Booth <neil@daikokuya.demon.co.uk>
7058 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7059 Have -Werror make pedantic warnings errors, like the
7062 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7064 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7066 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7068 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7069 * integrate.c (expand_inline_function): Initialize them.
7070 (subst_constants): If changing COMPARE so that both its arguments
7071 will be VOIDmode and the comparison mode will be lost, note
7072 compare_mode. Use the recorded compare_mode to optimize
7075 2001-01-23 Jason Merrill <jason@redhat.com>
7077 * dwarf2out.c (new_die): Use xcalloc.
7078 (output_die): Abort rather than emit a local reference to offset 0.
7080 2001-01-17 Andrew Haley <aph@redhat.com>
7082 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7083 of a saved register; return NULL instead.
7084 (copy_reg): Take a pointer to a source register rather than a
7086 (next_stack_level): Remember the address in the stack frame of all
7088 Use the saved register pointer array as the source of the CFA.
7089 (throw_helper): Rewrite. Unwind once rather than twice and keep
7090 track of saved registers as we go.
7092 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7094 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7095 * c4x.c (c4x_legitimize_reload_address): Remove.
7096 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7097 reload address for ldp(k) insn.
7099 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7101 * pa.md (return_internal): Add a USE of the PIC register to ensure
7102 it is restored after each call.
7103 (return expander): Corresponding changes.
7105 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7107 * rs6000.h (INIT_EXPANDERS): Delete.
7108 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7109 * rs6000.c (rs6000_override_options): Call *_machine_status from
7111 (rs6000_init_expanders): ...instead of here. Delete.
7112 (rs6000_mark_machine_status): New function.
7113 (rs6000_init_machine_status): Use xcalloc.
7114 (rs6000_return_addr): Generate RTX for the return address.
7115 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7116 (rs6000_stack_info): Use it.
7118 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7120 * gthr-win32.h: Include errno.h to get a declaration for
7121 EINVAL and _mingw.h if the target is mingw32.
7123 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7125 * cpp.texi: Correct typos.
7127 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7129 * explow.c (probe_stack_range): Ensure value passed to
7130 stack_check_libfunc is ptr_mode, not Pmode.
7132 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7134 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7135 case, don't use operand_subword to calculate a SUBREG that is
7138 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7140 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7142 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7143 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7144 valid. If not replace it by equivalent insns.
7146 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7148 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7149 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7150 (c4x_U_constraint, symbolic_address_operand): Likewise.
7151 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7153 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7154 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7155 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7156 anulling slot because of silicon bug.
7157 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7159 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7161 * cppexp.c (parse_charconst): Change `mask' type to agree
7164 2001-01-21 Richard Henderson <rth@redhat.com>
7166 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7167 pic_label_name in a linkonce section.
7169 2001-01-17 Philipp Thomas <pthomas@suse.de>
7171 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7173 * configure: Regenerate.
7175 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7177 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7178 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7180 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7182 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7183 If REVERSE nonzero then condition code in X must be reversed.
7184 (encode_section_info): Optimise if/else.
7185 (avr_function_value): Fix formatting.
7187 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7188 (difficult_branch): Likewise.
7189 (rvbranch): Likewise.
7190 (difficult_rvbranch): Likewise.
7192 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7194 * config/avr/libgcc.S: Fix comment.
7196 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7198 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7200 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7202 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7204 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7206 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7207 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7208 * configure, config.in: Regenerate.
7209 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7210 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7211 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7212 (doprint.o): New rule.
7214 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7216 * c-typeck.c (digest_init): Handle boolean types as scalars.
7218 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7220 * stmt.c (expand_return): Don't return anything if size is zero.
7221 Delete redundant assignment to BYTES.
7222 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7224 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7226 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7227 the same as the default library function names.
7228 * config/avr/avr.md: Document special characters after '%'.
7229 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7230 knowing which of the call-used registers are really clobbered.
7231 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7232 New. Both quotient and remainder from one libgcc.S call.
7233 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7234 clobber as few registers as possible.
7235 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7237 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7239 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7240 context of the top of the stack.
7242 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7244 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7245 (fixup_var_refs_insns): ...here.
7247 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7249 * function.c (fixup_var_refs_insns): Break up into
7250 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7251 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7252 [loop over hash table entries].
7253 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7254 fixup_var_refs_insns_with_hash, to match above changes.
7256 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7258 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7259 (libgcc.a): Likewise.
7260 (stmp-multilib): Likewise.
7261 (STAGE2_FLAGS_TO_PASS): Likewise.
7263 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7265 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7266 temporary if no_new_pseudos.
7268 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7270 * cppinternals.texi: Update.
7272 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7274 * arm.c (arm_init_builtins): Re-enable builtins.
7276 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7278 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7279 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7280 element to be null, and always expect an EXPR_LIST.
7281 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7282 * sched-deps.c (sched_analyze_1): Likewise.
7283 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7285 * regclass.c (max_set_parallel): New variable.
7286 (reg_scan): Take it into account in computation of max_parallel.
7287 (reg_scan_mark_refs, case SET): Compute it.
7289 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7291 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7292 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7294 2001-01-19 Jason Merrill <jason@redhat.com>
7296 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7297 for the abstract instance of an inline function.
7299 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7300 J"orn Rennecke <amylaar@redhat.com>
7302 * reload1.c (move2add_note_store): Treat all registers directly or
7303 indirectly derived from a base register as members of the same set
7305 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7306 of base register into account.
7308 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7310 * alias.c (find_base_value): Recognize TRUNCATE.
7311 (record_set): In PLUS case, invalidate if other summand is also a
7314 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7316 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7317 entry to be EXPR_LIST.
7318 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7319 be an EXPR_LIST (but not null, which other code doesn't allow).
7320 (note_stores): Properly handle PARALLEL in SET.
7321 Recursively call for top-level PARALLEL.
7322 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7323 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7325 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7327 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7329 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7330 not pfile->skipping (== 0).
7332 2001-01-17 Nick Clifton <nickc@redhat.com>
7334 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7337 2001-01-17 Jim Wilson <wilson@redhat.com>
7339 * invoke.texi (IA-64 options): Improve.
7341 2001-01-17 Tom Tromey <tromey@redhat.com>
7343 * invoke.texi (Optimize Options): Use `{}' to around @samp
7346 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7348 * invoke.texi (-fno-guess-branch-probability): New option.
7350 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7352 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7353 case of making new double-word constant.
7354 Revert last change: instead just test i3_subst_into_i2.
7356 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7358 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7359 Use q constraints instead of r.
7361 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7363 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7364 (machine_function): Define.
7365 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7366 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7367 pa_free_machine_status): New functions.
7368 (override_options): Set {init,mark,free}_machine_status to above.
7369 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7370 PIC_OFFSET_TABLE_REGNUM_SAVED.
7371 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7372 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7373 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7374 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7375 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7377 2001-01-15 DJ Delorie <dj@redhat.com>
7379 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7383 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7385 * flow.c (propagate_on_insn): Make trying to delete a prologue
7386 or epilogue insn an ICE, not a warning. Allow doing this if
7387 the current function returns with stack pointer depressed.
7389 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7390 I3 having more than one SET.
7392 2001-01-16 Jim Wilson <wilson@redhat.com>
7394 * invoke.texi: Document IA-64 options.
7396 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7397 (fixup_errata): Delete TARGET_A_STEP use.
7398 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7399 (TARGET_SWITCHES): Delete -ma-step option.
7400 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7401 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7402 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7403 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7404 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7405 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7407 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7408 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7409 cmovsi_internal): Delete ! TARGET_A_STEP check.
7411 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7413 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7414 possibility to report bugs via postal mail. Change a URL and
7415 merge in a nearly duplicate statement...
7416 (Bug Reporting): ...from here.
7417 (Service): Refer to the Bug Reporting section instead of
7419 (Contributing): Remove trivial explanations concerning snapshots.
7421 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7423 * cppmain.c (general_init): Don't use ANSI prototype.
7425 2001-01-16 Tom Tromey <tromey@redhat.com>
7427 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7429 2001-01-16 Richard Henderson <rth@redhat.com>
7431 * config/i386/i386.h: Fix comment typo.
7432 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7433 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7435 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7437 * gcc.c: Revert previous -fsyntax-only-related change; move
7440 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7442 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7443 inmode after checking GET_CODE (op).
7445 2001-01-16 Richard Henderson <rth@redhat.com>
7447 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7448 (MAX_MEM_SET_LIST_LEN): New.
7449 (propagate_one_insn): Update mem_set_list_len.
7450 (invalidate_mems_from_autoinc): Likewise.
7451 (invalidate_mems_from_set): Likewise.
7452 (mark_used_regs): Likewise.
7453 (init_propagate_block_info): Likewise. Stop collecting memories
7454 when we reach MAX_MEM_SET_LIST_LEN.
7455 (mark_set_1): Likewise.
7457 2001-01-16 Richard Henderson <rth@redhat.com>
7459 * unroll.c (precondition_loop_p): Fail if no iteration
7462 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7464 * gcc.c: When -fsyntax-only is given, do not complain about
7467 2001-01-15 Richard Henderson <rth@redhat.com>
7469 * config/i386/i386.c (asm_output_function_prefix): Remove.
7470 (ix86_asm_file_end): New.
7471 (load_pic_register): Generate pic_label_name into a
7472 staticly allocated buffer.
7473 * config/i386/i386-protos.h: Update.
7474 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7475 (ASM_FILE_END): New.
7476 * config/i386/i386afe.h: New file.
7477 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7478 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7479 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7480 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7481 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7482 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7483 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7485 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7487 * Makefile.in (install-man): Remove explicit dependency on
7490 * configure.in, configure: Revert previous patch requiring perl
7493 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7495 * toplev.c (flag_guess_branch_prob): New.
7496 (f_options): Add guess-branch-probability option.
7497 (rest_of_decl_compilation): Only estimate branch probability if
7499 (main): set flag_guess_branch_prob.
7501 * flags.h (flag_guess_branch_prob): New.
7503 2001-01-15 DJ Delorie <dj@redhat.com>
7505 * gcc.texi (Makefile): Add documentation for Makefile targets.
7507 2001-01-15 Philip Blundell <philb@gnu.org>
7509 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7511 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7512 (is_pic): Delete declaration.
7513 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7514 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7515 * config/arm/arm.md (builtin_setjmp_receiver): New.
7517 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7519 * arm.c (use_return_insn): Don't try to determine the function type
7520 until after reload has completed.
7521 (arm_output_epilogue): Don't adjust the sp value recovered from the
7523 (emit_multi_reg_push): Don't record dwarf information for the pc.
7524 * arm.md (eh_epilogue): The function type may have changed, so it
7525 needs to be recalculated.
7526 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7527 unwind tables on arm/netbsd.
7529 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7531 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7532 (negated_cbranchsi4): Likewise.
7534 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7536 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7537 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7538 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7539 pass -mapcs-* options to assembler.
7540 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7541 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7542 (ASM_SPEC): Call subtarget_extra_asm_spec.
7544 2001-01-15 Andreas Jaeger <aj@suse.de>
7546 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7548 (ix86_expand_builtin): Likewise.
7550 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7551 warning about comparison between signed and unsigned.
7553 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7555 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7557 2001-01-14 Ralf Baechle <ralf@gnu.org>
7559 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7560 SUBTARGET_CPP_SPEC apropriatly.
7562 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7564 * varasm.c (make_decl_rtl): Fix typo in last change.
7566 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7568 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7569 linker supports the init_priority C++ attribute.
7570 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7571 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7572 linker does not support init_priority C++ attribute.
7574 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7576 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7578 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7580 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7581 * cp/lex.c (finish_parse): Similarly.
7582 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7583 Return the number of errors encountered.
7584 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7585 * cppmain.c (main): Don't call cpp_destroy.
7587 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7589 * configure.in: Require at least perl 5.6.0 to regenerate
7591 * configure: Regenerate.
7593 2001-01-14 Richard Henderson <rth@redhat.com>
7595 * genrecog.c (DT_veclen_ge): New.
7596 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7597 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7598 (nodes_identical_1): Handle DT_veclen_ge.
7599 (write_cond, debug_decision_2): Likewise.
7601 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7603 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7605 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7607 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7609 * cppmain.c (do_preprocessing): New function; most of the old
7611 (main): Call it to do most of the work.
7612 (cb): Move from global scope to set_callbacks ().
7613 (setup_callbacks): Get the callback pointer.
7614 (general_init, printer_init): Clean up code and comments.
7616 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7618 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7621 2001-01-14 Kazu Hirata <kazu@hxi.com>
7623 * config/h8300/h8300.c (get_shift_alg): Update comments.
7625 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7627 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7628 (alloc_page, ggc_alloc): Add casts to remove warnings.
7630 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7632 * combine.c (simplify_comparison): Don't change `code' when
7633 can't reverse comparison.
7635 2001-01-14 Richard Henderson <rth@redhat.com>
7637 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7638 update all call sites. Return true for all non-label constants.
7640 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7642 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7644 (ix86_expand_branch): Update.
7645 (ix86_expand_setcc): Update to handle multiple test conditions.
7646 (expand_int_movcc): Likewise.
7647 (expand_fp_movcc): Likewise.
7648 * i386-protos.h (ix86_expand_compare): New.
7649 * i386.md (andqi_?_slp, orqi_?_slp): New.
7650 (conditional trap expander): Update call to ix86_expand_compare.
7652 2001-01-14 Richard Henderson <rth@redhat.com>
7654 * config/vax/vax.md: Use nonimmediate_operand instead of
7655 general_operand in destinations.
7657 * config/vax/vax.md (indirect_jump): Use register_operand.
7659 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7660 * config/vax/vax.md (call_pop): Turn into an expander.
7661 (call_value_pop): Likewise.
7662 (call, call_value): New.
7664 2001-01-14 Andreas Jaeger <aj@suse.de>
7666 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7668 (ix86_fp_compare_mode): Add unused attribute.
7669 (ix86_expand_fp_movcc): Remove unused variable.
7670 (ix86_expand_builtin): Make fcode unsigned.
7672 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7673 (expand_expr): Add cast to avoid signed warning.
7674 (store_field): Likewise.
7675 (store_constructor_field): Likewise.
7676 (store_constructor): Likewise.
7677 (store_expr): Likewise.
7678 (clear_storage): Likewise.
7679 (emit_group_store): Likewise.
7680 (emit_group_load): Likewise.
7682 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7684 * c-common.c: Move format checking code to ...
7685 * c-format.c: ... here. New file. Reorder some functions and
7687 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7689 * c-common.h (decl_handle_format_attribute,
7690 decl_handle_format_arg_attribute): Declare.
7691 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7692 (c-common.o): Adjust dependencies.
7693 (c-format.o): New list of dependencies.
7695 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7697 * unroll.c (loop_iterations): If we cannot prove iteration variable
7698 is set once in each iteration, punt.
7700 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7702 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7703 (*strlenhi): Remove clobber (which was buggy) of output address.
7705 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7707 * Makefile.in (generated-manpages): Add gcc.1
7708 ($(srcdir)/gcc.1): New target.
7709 (maintainer-clean): Delete $(srcdir)/gcc.1.
7710 * gcc.texi: Add macros @gccoptlist and @gol.
7711 * invoke.texi: Include option summary in manpage. Mark up option
7712 summary with @gccoptlist and @gol. Use @r in one place where
7714 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7715 * gcc.1: Generate from invoke.texi.
7717 2001-01-13 Richard Henderson <rth@redhat.com>
7719 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7720 (struct page_entry): Add group member.
7721 (struct page_group): New.
7722 (struct globals): Add page_groups member.
7723 (alloc_anon): Only define for using mmap; remove valloc call.
7724 (page_group_index): New.
7725 (set_page_group_in_use): New.
7726 (clear_page_group_in_use): New.
7727 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7728 (free_page, release_pages): Likewise.
7729 * configure.in (with-gc): Default to ggc-page always.
7731 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7733 * reload1.c (replace_pseudos_in_call_usage): Use
7734 reg_equiv_constant and reg_equiv_address, and don't try
7735 regno_reg_rtx first.
7737 2001-01-13 Richard Henderson <rth@redhat.com>
7739 * ggc-page.c (alloc_page): Round up allocation size to one page.
7740 Set e->order on extra pages.
7742 2001-01-13 Richard Henderson <rth@redhat.com>
7744 * genrecog.c (nodes_identical): Expand commentary.
7745 (write_switch): Watch out for identical nodes.
7747 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7749 * cppfiles.c (_cpp_fake_include): New function.
7750 * cpphash.h (_cpp_fake_include): New.
7751 * cpplib.c (do_line): Call _cpp_fake_include when entering
7752 header files in preprocessed input.
7753 * cppmain.c (cb_pragma_implementation): Remove handling.
7754 (setup_callbacks): Don't register pragmas.
7756 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7758 * extend.texi: Udate for CPP.
7760 2001-01-13 Andreas Jaeger <aj@suse.de>
7762 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7764 * regmove.c: Add prototype for replace_in_call_usage.
7766 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7768 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7769 struct cpp_chunk, struct htab, struct toklist,
7770 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7771 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7772 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7773 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7774 (struct macro_args): Delete.
7775 * cpphash.h: See above.
7777 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7779 * cppmain.c (struct printer): Remove no_line_dirs.
7781 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7782 : Use options rather than CPP_OPTION.
7783 (setup_callbacks): Use cb rather than pfile->cb.
7784 (main): No need to check for a buffer. Use cpp_errors.
7785 (printer_init): Don't set no_line_dirs.
7786 (maybe_print_line): Use options not no_line_dirs.
7787 (cb_file_change): Don't call print_line if -P.
7789 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7791 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7793 * c-parse.in (finish_parse): Use cpp_errors.
7794 (__yylex): Use return value of cpp_pop_buffer.
7795 * cp/lex.c (finish_parse): Use cpp_errors.
7796 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7798 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7800 * README.AVR: URLs corrected.
7802 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7804 * c-decl.c (start_function): Don't warn if old prototype is builtin
7805 that's not in C's namespace.
7806 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7807 (_bb): Add prototype for ctime.
7808 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7810 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7812 * i386.c (ix86_fp_comparison_arithmetics_cost,
7813 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7814 ix86_fp_comparison_cost): New functions.
7815 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7816 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7817 two-branch sequences; make static.
7818 (ix86_use_fcomi_compare): Do decision according to the costs.
7819 (split_fp_branch): New.
7820 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7821 * i386-protos.h (ix86_expand_fp_compare): Remove
7822 (ix86_split_fp_branch): Declare.
7824 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7825 and ix86_comparison_operator.
7827 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7830 * i386.c (put_condition_code): Output properly the unordered/ordered
7831 compares in fp case.
7832 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7834 * tm.texi (REVERSE_CONDITION): Document.
7835 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7836 in -ffast-math mode.
7837 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7839 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7841 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7843 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7846 * config/sh/sh.c (mova_p): Fix test for mova_const.
7848 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7850 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7851 cpp_get_options rather than dereferencing pfile and using
7853 * scan-decls.c (scan_decls): Use return value of
7854 cpp_pop_buffer rather than CPP_BUFFER.
7856 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7858 * cppinit.c (cpp_handle_option): help_only is now part of the
7859 cpp_options structure.
7860 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7861 cpp_set_callbacks): New functions.
7862 * cpplib.h (cpp_callbacks): Break out as a named structure.
7863 (cpp_options): Move help_only here from cpp_reader.
7864 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7865 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7866 cpp_set_callbacks): New prototypes.
7867 * cppmain.c (main): Update for help_only.
7869 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7871 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7872 Also build and remove and install and uninstall c-tree.info and
7874 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7875 ($(srcdir)/cppinternals.info): New target.
7876 * c-tree.texi: Change file name used when makeinfo used without -o
7877 from ir.info to c-tree.info. Add info directory entry.
7878 * cppinternals.texi: Add info directory entry.
7879 * .cvsignore: Update.
7881 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7883 * c-typeck.c (store_init_value): Don't require constant initializer
7884 elements with -pedantic -std=c99.
7885 (digest_init): Change error about non-constant initializer elements
7887 (constructor_range_end): Remove.
7888 (constructor_incremental, designator_depth,
7889 designator_errorneous): New variables.
7890 (struct constructor_stack): Remove range_end, add incremental.
7891 (struct constructor_range_stack, constructor_range_stack): New.
7892 (struct initializer_stack): Add constructor_range_stack.
7893 (finish_init): Set it.
7894 (start_init): Likewise. require_constant_elements for non-static
7895 trees only if not flag_isoc99.
7896 (really_start_incremental_init): Remove constructor_range_end, add
7897 constructor_incremental.
7898 (pop_init_level): Likewise.
7899 (push_init_level): Likewise. If implicit and the subobject had some
7900 value set already, preinitialize the level with it.
7901 Warn about missing braces only if not pushing due to designators.
7902 (set_designator, push_range_stack): New functions.
7903 (set_init_label): Use them.
7904 (set_init_index): Likewise. Remove constructor_range_end.
7905 Error if designator index is outside of array bounds.
7906 (add_pending_init): Compare values of purpose index trees, not the
7907 trees themselves. Allow overwriting of already initialized element.
7908 Issue a warning if it had side-effects.
7909 (set_nonincremental_init, set_nonincremental_init_from_string): New
7911 (pending_init_member): Rename to...
7912 (find_init_member): ...this function. Call set_nonincremental_init
7913 if necessary. Compare values of purpose index trees, not the trees
7914 themselves. Return the actual value, not just non-zero if something
7916 (output_init_element): Remove checks for duplicates.
7917 If field has zero size, only check the initializer for correctness.
7918 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7919 if constructor_incremental is zero. Change error about initializers
7920 not computable at load time into pedwarn.
7921 (output_pending_init_elements): Compare bit positions, not
7922 FIELD_DECLs to take into account zero-sized fields.
7923 (process_init_element): Use constructor_range_stack to fill all
7924 ranges in the designator lists from current level up.
7925 * extend.texi: Update documentation for labeled elements.
7927 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7929 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7930 to function usage for arguments passed by reference. Optimize
7931 callee-copied arguments.
7932 * regmove.c (replace_in_call_usage): New function.
7933 (fixup_match_1): Call it.
7934 * cse.c (cse_insn): Canonicalize registers in function usage.
7935 * reload1.c (replace_pseudos_in_call_usage): New function.
7938 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7941 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7943 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7946 2001-01-12 DJ Delorie <dj@redhat.com>
7948 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7949 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7952 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7954 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7955 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7956 -std options alongside references to -ansi. Update some
7957 documentation for C99.
7958 * cpp.1: Regenerate.
7960 2001-01-12 Andreas Jaeger <aj@suse.de>
7962 * haifa-sched.c (restore_line_notes): Remove argument block B
7964 * sched-ebb.c (schedule_ebb): Change caller.
7965 * sched-rgn.c (schedule_region): Likewise.
7966 * sched-int.h (restore_line_notes): Adjust prototype.
7968 * loop.h: Remove wrong declaration of doloop_condition_get.
7970 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7972 * extend.texi: Move C++-extension-related node from the C section
7973 into the C++ section.
7975 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7977 * extend.texi: Refer to an array of pointers to functions instead
7978 of one of functions.
7980 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7981 Jan Hubicka <jh@suse.cz>
7983 * combine.c (reversed_comparison): Fix typo in last patch.
7985 (combine_reversed_comparison_code): Make static to follow
7986 prototype declaration.
7988 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7990 * install.texi: Remove misplaced duplicate entry.
7992 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7994 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7996 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7998 * final.c: (leaf_function_p): Fix typo.
8000 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8002 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8003 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8005 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8006 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8007 mmap_anon, and valloc is available.
8008 * ggc-page.c: Restructure ifdef logic to match new autoconf
8009 spec. Don't throw away the test page in init_ggc.
8011 * configure, config.in: Regenerate.
8013 2001-01-12 Michael Hayes <mhayes@redhat.com>
8015 * loop.h (total_biv_increment): Constify iv_class pointer.
8016 (struct induction): Replace `mem_mode' with `mem' rtx.
8017 * unroll.c (total_biv_increment): Constify iv_class pointer.
8018 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8019 (find_mem_givs, combine_givs_p): Likewise.
8020 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8022 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8024 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8026 (__gthread_getspecific): Ditto.
8028 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8030 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8031 put_condition_code): Convert fp comparison codes to integer
8033 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8036 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8037 * i386-protos.h (no_comparison_operator): Kill.
8039 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8041 * combine.c (REVERSIBLE_CC_MODE): Remove.
8042 (reversible_comparison_p): Remove.
8043 (combine_reversed_comparison_code): New.
8044 (reversed_comparison): New.
8045 (combine_simplify_rtx): Use
8046 combine_reversed_comparison_code/reversed_comparison instead
8047 of reversible_comparison_p.
8048 (simplify_if_then_else): Likewise.
8049 (simplify_set): Likewise.
8050 (simplify_logical): Likewise.
8051 (if_then_else_cond): Likewise.
8052 (known_cond): Likewise.
8053 (simplify_comparison): Likewise.
8055 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8057 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8058 sizeof (int) is larger than sizeof(__word__).
8060 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8062 * cppinit.c (do_includes): Fix typo.
8064 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8066 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8067 in S_REGS does not occur because not all sources are possible
8068 when a S_REGS is a destination (sometimes needs a clobber).
8069 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8070 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8071 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8072 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8073 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8074 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8075 (lshrdi_const1, lshrsi3_const16): Likewise.
8076 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8077 (*movhi_68hc12, *movqi_68hc12): Likewise.
8078 (movstrictqi): Make sure reloading in D_REGS as a destination
8081 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8083 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8085 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8087 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8088 -D, -U and -A, and don't initialize the builtins.
8089 (do_includes): Error if -include or -imacros with -fpreprocessed.
8090 * cppmain.c (cb_define, cb_undef): Unconditionally process
8092 * tradcpp.c (main): Fix typo.
8094 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8096 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8097 (read_name_map): Use IS_ABSOLUTE_PATH.
8098 * tradcpp.c (get_filename): Likewise.
8100 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8102 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8103 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8104 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8105 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8106 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8107 (cmphi_z_used): Don't use '@' for the output.
8108 (tstqi_z_used): Likewise.
8109 (cmpqi_z_used): Likewise.
8110 (one_cmplsi2): Likewise.
8112 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8114 * config/sh/sh.c (barrier_align): Recognize branch around far
8115 branch and redundant insn.
8117 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8119 * invoke.texi: Restore documentation of the drivers' switches -MD
8122 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8124 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8126 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8127 check-objc//%): Support parallel testing of multilibs.
8128 (TESTSUITEDIR): Set to testsuite by default, but override for
8130 (check-gcc, check-g++, check-g77, check-objc): Enter
8133 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8135 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8136 * sched-deps.c (deps_may_trap_p): Likewise.
8137 * basic-block.h: Remove a comment.
8138 * flow.c (PROP_POSTRELOAD): Remove.
8139 (update_life_info): Don't add it to prop_flags.
8140 (mark_set_1): Lose the code that was enabled by it.
8142 2001-01-11 Michael Hayes <mhayes@redhat.com>
8144 * flow.c (flow_call_edges_add): New.
8145 * basic_block.h (flow_call_edges_add): New.
8147 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8149 * reload1.c (move2add_note_store): Update reg_set_luid even if
8150 base reg remains the same.
8152 2001-01-10 Nick Clifton <nickc@redhat.com>
8154 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8155 machine_function structure to zero.
8156 Add prototypes for machine_status functions.
8158 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8160 * c-common.h (CTI_VOID_LIST): Remove.
8161 (void_list_node): Likewise.
8162 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8163 (void_list_node): New macro.
8164 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8165 * config/i386/i386.c (ix86_init_builtins): Likewise.
8166 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8168 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8170 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8171 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8173 * tradcpp.c: Include mkdeps.h.
8174 (deps, print_deps_phony_targets, deps_append, output_deps,
8175 init_dependency_output, output_deps): New.
8176 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8177 deps_output): Delete.
8178 (print_deps_missing_files): Rename deps_missing_files.
8179 (inhibit_output): Make global.
8180 (main): Delete inhibit_output, deps_stream, deps_target.
8181 Use mkdeps functionality in the same way as cpplib. Remove
8182 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8183 -M and -MM. Remove old handling of deps via deps_out, and
8184 old reading of environment variables.
8185 (get_filename): Update to use deps_add_dep.
8187 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8189 * output.h (make_function_rtl): Remove prototype.
8190 (make_decl_rtl): Likewise.
8191 * varasm.c (make_function_rtl): Remove.
8192 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8193 than from a third parameter.
8194 * tree.h (make_decl_rtl): Remove last parameter.
8195 * c-decl.c (builtin_function): Remove last argument in call to
8196 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8197 (start_function): Likewise.
8198 * except.c (call_get_eh_context): Likewise.
8199 * expr.c (emit_block_move): Likewise.
8200 (clear_storage): Likewise.
8201 * profile.c (output_func_start_profiler): Likewise.
8202 * toplev.c (rest_of_decl_compilation): Likewise.
8203 * objc/objc-act.c (create_builtin_decl): Likewise.
8204 (synth_module_prologue): Likewise.
8205 (generate_static_reference): Likewise.
8206 (build_selector_reference_decl): Likewise.
8207 (build_class_reference_decl): Likewise.
8208 (build_objc_string_decl): Likewise.
8209 (build_protocol_reference): Likewise.
8211 2001-01-10 Richard Henderson <rth@redhat.com>
8213 * hwint.h: Revert yesterday's change.
8215 2001-01-10 Nick Clifton <nickc@redhat.com>
8217 * function.h (save_machine_status): Delete.
8218 (restore_machine_status): Delete.
8219 Amend comment describing {init|mark|free}_machine_status.
8221 * function.c (save_machine_status): Delete.
8222 (restore_machine_status): Delete.
8223 Amend comment describing {init|mark|free}_machine_status.
8224 (push_function_context_to): Remove invocation of
8225 save_machine_status.
8226 (pop_function_context_from): Remove invocation of
8227 restore_machine_status.
8229 * emit-rtl.c (init_emit_once): Amend comment describing
8230 {init|mark|free}_machine_status.
8232 * tm.texi (Per-Function Data): New node. Describe the
8233 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8236 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8238 * cppinit.c (OPT_g): Remove.
8239 (cpp_handle_option): Update for removed -g3.
8240 (print_help): Update.
8241 * cpplib.h (struct cpp_options): Remove debug_output.
8242 * cppmain.c (setup_callbacks, cb_define): Update.
8243 * gcc.c (cpp_options): Translate -g3 to -dD.
8245 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8247 * config/i960/i960.md: Change modifier to + on the zero_extract
8248 pattern after the (rotate -2 reg) canonicalization pattern.
8250 2001-01-10 Richard Henderson <rth@redhat.com>
8252 * config/alpha/alpha.c (alpha_free_machine_status): New.
8253 (override_options): Install it.
8254 (alpha_mark_machine_status): Verify machine non-null.
8255 * config/i386/i386.c (ix86_free_machine_status): New.
8256 (override_options): Install it.
8257 (ix86_init_machine_status): Use xcalloc.
8258 (ix86_mark_machine_status): Verify machine non-null.
8259 * config/ia64/ia64.c (ia64_free_machine_status): New.
8260 (ia64_override_options): Install it.
8261 (ia64_mark_machine_status): Verify machine non-null.
8263 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8265 * function.c (instantiate_virtual_regs): Instantiate virtual
8266 registers found in CALL_INSN_FUNCTION_USAGE.
8268 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8270 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8271 equivalent to -ansi in disabling -Di386.
8273 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8275 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8277 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8279 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8281 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8283 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8285 * invoke.texi: Document that -fcond-mismatch isn't supported for
8288 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8290 * gcc.texi: Define macro gcctabopt.
8291 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8292 @command, @env and @option in some places where appropriate. Use
8293 @gcctabopt where appropriate. Put URLs and email addresses inside
8296 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8298 * gcc.c (cpp_options): Set MD file name from output
8299 filename, if specified.
8300 (suffix_subst): New static variable.
8301 (do_spec): Clear it.
8302 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8304 (give_switch): Handle suffix_subst.
8306 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8308 * invoke.texi: Fix another typo.
8310 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8312 * invoke.texi: Fix typo.
8314 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8316 * c-lang.c (lang_hooks): Update.
8317 (lang_decode_option): Remove.
8318 (lang_init_options): Rename c_init_options.
8319 * toplev.c (main): Use lang_hooks for lang_init_options
8320 and lang_decode_option.
8321 * toplev.h (lang_hooks): Add 2 new hooks.
8322 * tree.h: Remove lang_init_options and lang_decode_option.
8323 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8324 * cp/decl2.c: Similarly.
8325 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8326 (lang_hooks): Update.
8327 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8329 (lang_init_options): Rename ffe_init_options.
8330 (lang_hooks): Update.
8331 (lang_decode_option): Remove.
8332 * java/lang.c (lang_init_options): Rename java_init_options.
8333 (lang_decode_option): Rename java_decode_option.
8334 (lang_hooks): Update.
8335 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8336 (lang_decode_option): Rename objc_decode_option.
8337 (lang_hooks): Update.
8339 2001-01-09 Nick Clifton <nickc@redhat.com>
8341 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8342 (d30v_return_addr_rtx): Delete.
8343 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8344 cfun->machine structure.
8345 (struct machine_function): Move to d30v.h
8346 (d30v_save_machine_status): Delete.
8347 (d30v_restore_machine_status): Delete.
8348 (d30v_init_machine_status): New Function.
8349 (d30v_mark_machine_status): New Function.
8350 (d30v_free_machine_status): New Function.
8351 (d30v_init_expanders): Use new functions.
8352 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8353 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8354 d30v_return_addr_rtx.
8356 * config/d30v/d30v.h (struct_machine): Move here.
8357 Add eh_epilogue_sp_ofs field.
8359 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8360 field in cfun->machine structure.
8362 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8364 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8365 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8366 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8368 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8370 * objc/lang-options.h: Remove bogus reference to
8373 2001-01-09 Kazu Hirata <kazu@hxi.com>
8375 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8378 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8380 * reload.c (find_reloads_address): Check for eliminable registers
8381 when substituting a constant expression for a pseudo.
8383 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8385 * c-common.c (enum format_type): Add format_type_error.
8386 (decode_format_type): New function.
8387 (decl_attributes): Use it.
8388 (format_kind_info): Adjust comment.
8390 2001-01-09 David O'Brien <obrien@BSDi.com>
8392 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8393 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8395 * config/i386/gnu.h: Don't include required platform specific .h files,
8396 tm.h will do it instead.
8397 * config/i386/i386elf.h: Likewise.
8398 * config/i386/linux.h: Likewise.
8399 * config/i386/moss.h: Likewise.
8400 * config/mips/gnu.h: Likewise.
8402 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8404 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8405 (rs6000-ibm-aix3.[01]*): Likewise.
8406 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8407 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8408 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8409 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8410 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8411 (powerpc-*-eabiaix*): Likewise.
8412 (powerpc-*-eabisim*): Likewise.
8413 (powerpc-*-elf*): Likewise.
8414 (powerpc-*-eabi*): Likewise.
8415 (powerpc-*-rtems*): Likewise.
8416 (powerpc-*-linux*libc1): Likewise.
8417 (powerpc-*-linux*): Likewise.
8418 (powerpc-wrs-vxworks*): Likewise.
8419 (powerpcle-wrs-vxworks*): Likewise.
8420 (powerpcle-*-sysv*): Likewise.
8421 (powerpcle-*-elf*): Likewise.
8422 (powerpcle-*-eabisim*): Likewise.
8423 (powerpcle-*-eabi*): Likewise.
8424 (powerpcle-*-solaris2*): Likewise.
8425 * config/rs6000/aix31.h: Delete includes.
8426 * config/rs6000/aix3newas.h: Likewise.
8427 * config/rs6000/aix41.h: Likewise.
8428 * config/rs6000/aix43.h: Likewise.
8429 * config/rs6000/beos.h: Likewise.
8430 * config/rs6000/rtems.h: Likewise.
8431 * config/rs6000/sysv4.h: Likewise.
8433 2001-01-09 Kazu Hirata <kazu@hxi.com>
8435 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8436 Change an argument mode of machine_mode to shift_mode of
8437 shift_mode. Remove an extra error check.
8438 (emit_a_shift): Adopt to the new calling prototype of
8440 (function_prologue): Fix code for a monitor
8441 function. Support H8/S.
8442 (function_epilogue): Do not output pop for a monitor function.
8444 2001-01-09 Nick Clifton <nickc@redhat.com>
8446 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8447 (setup_incoming_varargs): Use sysv_varargs_p field of the
8448 cfun->machine structure.
8449 (struct machine_function): Move to rs6000.h
8450 (rs6000_save_machine_status): Delete.
8451 (rs6000_restore_machine_status): Delete.
8452 (rs6000_init_machine_status): New Function.
8453 (rs6000_free_machine_status): New Function.
8454 (rs6000_init_expanders): Use new functions.
8456 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8458 (struct machine_function): Move here.
8460 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8461 sysv_varargs_p field of the cfun->machine structure.
8463 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8465 (rs6000_restore_machine_status): Remove prototype.
8467 2001-01-09 Richard Henderson <rth@redhat.com>
8469 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8470 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8471 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8472 (sched_analyze_2, sched_analyze_insn): Likewise.
8473 (sched_analyze, init_deps): Likewise.
8474 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8475 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8476 (compute_block_backward_dependences): Update propagate_deps call.
8478 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8480 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8482 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8484 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8485 (cpp_handle_option): Handle them.
8486 (cpp_post_options): Ensure one of -M or -MM is specified with
8487 any other -M? option.
8488 (init_dependency_output): Suppress output with -MG.
8490 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8493 * invoke.texi: Update.
8495 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8497 * sh.md (reload_outsf): Generate recognizable patterns for
8500 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8502 * c-lang.c (lang_hooks): Update.
8503 (lang_init): Rename c_init.
8504 (lang_finish): Remove.
8505 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8507 * toplev.h (lang_hooks): Add init () and finish ().
8508 * tree.h (lang_init, lang_finish): Remove.
8509 * cp/tree.h (lang_init, lang_finish): Remove.
8510 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8511 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8513 (lang_init, lang_finish): Remove.
8514 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8515 (lang_hooks): Update.
8516 * java/lang.c (lang_init): Rename java_init.
8517 (lang_finish): Remove.
8518 (lang_hooks): Update.
8519 * objc/objc-act.c (lang_init): Rename objc_init.
8520 (lang_finish): Remove.
8521 (lang_hoooks): Update.
8523 20001-01-09 Graham Stott <grahams@redhat.com>
8525 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8526 after `ptr` is initialised.
8528 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8530 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8531 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8532 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8533 stack adjusts, instead of r3.
8535 2001-01-09 Michael Hayes <mhayes@redhat.com>
8537 * flow.c (flow_loop_scan): Break out of ...
8538 (flow_loops_find) ... here.
8539 * basic-block.h (flow_loop_scan): New.
8540 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8541 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8543 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8545 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8547 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8548 realloc()ing macro_buffer.
8550 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8551 if it's wider than long and the target's long is wider than the
8554 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8556 Remove support for using UWIN as a host machine.
8557 * configure.in: Issue an error message.
8558 * configure: Regenerated.
8559 * config.gcc: Remove xm_* UWIN configury.
8560 * config/i386/xm-uwin.h: Remove.
8562 2001-01-08 Nick Clifton <nickc@redhat.com>
8564 * config/v850/v850.c (ra_rtx): Delete.
8565 (v850_save_machine_status): Delete.
8566 (v850_restore_machine_status): Delete.
8567 (v850_init_machine_status): New function.
8568 (v850_mark_machine_status): New function.
8569 (v850_free_machine_status): New function.
8570 (v850_return_addr): Use ra_rtx field in machine structure.
8571 (v850_init_expanders): Use new functions.
8573 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8574 * config/v850/v850.c: Change arguments to v850_output+* functions
8575 to take a const char *, to avoid compile time warning.
8576 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8577 (USER_LABEL_PREFIX): Redefine.
8579 2000-01-08 Jim Wilson <wilson@redhat.com>
8581 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8582 1 to unsigned HOST_WIDE_INT before left shift.
8584 2001-01-08 Nick Clifton <nickc@redhat.com>
8586 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8587 the machine structure has been allocated.
8588 (arm_free_machine_status): New function: Free the machine
8589 specific function structure.
8591 2001-01-08 Richard Henderson <rth@redhat.com>
8593 * jump.c (simplejump_p): Revert last change.
8595 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8597 * cppinit.c (init): Rename init_library.
8598 (cpp_create_reader): Update.
8599 * gcc.c (cpp_options): If -o given, use it as the target of
8602 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8604 * arm.c (arm_arch5e): New variable.
8605 (all_cores): XScale is a 5TE device.
8606 (arm_override_options): Set arm_arch5e.
8607 (arm_init_builtins): __builtin_prefetch is in arch5e.
8608 * arm.h (arm_arch5e): Declare it.
8610 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8612 * arm.md (define_constants): Add defines for UNSPEC and
8613 UNSPEC_VOLATILE insns. Update all users.
8614 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8615 * arm.c (multi_register_push, note_invalid_constants)
8616 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8617 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8618 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8620 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8622 * jump.c (jump_optimize_1): Use reversed_comparison_code
8623 instead of can_reverse_comparison_p.
8624 (jump_back_p): Likewise.
8625 (invert_exp_1): Likewise.
8626 (thread_jumps): Likewise.
8627 * simplify-rtx.c (simplify_unary_operation): Likewise.
8628 (simplify_ternary_operation): Likewise.
8629 * cse.c (find_comparison_args): Convert to use
8630 can_reverse_comparison_p.
8631 (record_jump_equiv): Likewise.
8633 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8635 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8636 (EPILOGUE_USES): Define.
8637 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8638 automatically stack the LR if it isn't live.
8640 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8642 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8645 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8647 * ggc-page.c (max_alignment): New structure.
8648 (MAX_ALIGNMENT): New macro.
8649 (init_ggc): Use it to round up the sizes in the
8650 extra_order_size_table.
8652 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8654 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8657 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8659 * builtins.def (BUILT_IN_FPRINTF): New entry.
8661 * c-common.c (c_expand_builtin_fprintf): New function.
8662 (init_function_format_info): Handle __builtin_fprintf.
8663 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8664 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8666 * c-decl.c (duplicate_decls): Adjust comment.
8668 * extend.texi (fprintf): Document new builtin.
8670 2001-01-07 Richard Henderson <rth@redhat.com>
8672 * jump.c (simplejump_p): Recognize any single_set jump
8675 2001-01-07 Richard Henderson <rth@redhat.com>
8677 * configure.in (slibdir): Accept an --with-slibdir option.
8678 Use "test" not "[" in configure. Default to $(libdir).
8680 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8682 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8683 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8684 (SHLIB_LINK): Create links for the soname.
8685 * config/mips/t-iris6: Likewise.
8686 * config/sparc/t-slibgcc: Likewise.
8687 * config/sparc/t-slibgcc-sld: Likewise.
8689 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8691 * config/i386/i386.c (constant_call_address_operand): Accept
8692 (const (plus (symbol_ref) (const_int))).
8693 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8694 constant_call_address_operand.
8696 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8698 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8699 and LONG_LONG_TYPE_SIZE > 32.
8701 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8703 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8704 the previous change.
8706 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8708 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8710 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8711 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8712 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8715 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8717 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8719 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8721 * c-lang.c (c_post_options): Call cpp_post_options.
8722 * objc/objc-act.c (objc_post_options): Similarly.
8723 * cppmain.c (main): Similarly.
8724 * fix-header.c (read_scan_file): Similarly.
8725 * cppinit.c (cpp_start_read): Move option consistency checks
8726 to cpp_post_options. Don't call init_dependency_output.
8727 If needed, add default target and main file dependency.
8728 (OPT_MD, OPT_MMD): Remove.
8730 (cpp_handle_option): Update for OPT_* changes.
8731 (cpp_post_options): New.
8732 (init_dependency_output): Command line -MF overrides environment
8733 variables. Don't set default target etc. Suppress output
8734 if dependencies are going to stdout.
8735 (print_help): Update.
8736 * cpplib.h (cpp_post_options): New.
8737 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8739 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8741 * jump.c (comparison_dominates_p): Support unordered compares.
8743 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8745 * simplify-rtx.c (simplify_relational_operation): Always simplify
8746 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8749 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8751 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8752 (nonzero_bits): Likewise.
8753 (simplify_comparison): Likewise.
8754 (num_sign_bit_copies): Likewise; return more sane value depending
8755 on STORE_FLAG_VALUE.
8756 (known_cond): Do not assume EQ to be always true for equivalent
8759 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8761 * cse.c (fold_rtx): Handle unordered comparisons.
8763 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8765 * rtlanal.c (set_of_1): New static function.
8766 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8767 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8768 reg_set_last_last_regno): Remove.
8769 (set_of): New global function.
8770 (set_of_data): New structure.
8771 (reg_set_p, reg_set_last): Revamp for set_of.
8772 * rtl.h (set_of): New.
8774 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8776 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8777 * extend.texi: Document _Exit builtin.
8779 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8781 * (initialize, initialize_builtins,
8782 initialize_dependency_output, initialize_standard_includes):
8783 Rename s/initialize/init. Update.
8784 (init_dependency_output): Move to after
8785 cpp_handle_options, the correct location temporally at least.
8786 (opt_comp): Move next to init (), its caller. Fix prototype.
8787 (init): Make "initialized" local scope.
8788 (cpp_create_reader): Always call init ().
8789 (cpp_start_read): Update.
8790 (output_deps): New function, broken out of cpp_finish.
8791 (cpp_finish): Break out output_deps.
8793 2001-01-07 Richard Henderson <rth@redhat.com>
8795 * collect2.c (COFF specific stuff): Revert 12-06 patch
8796 to prototype system functions.
8798 2001-01-07 Michael Hayes <mhayes@redhat.com>
8800 * hard-reg-set.h: Add multiple include guard.
8801 * basic-block.h (struct loop): Add `sink' field.
8802 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8803 (emit_iv_add_mult): Delete.
8804 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8805 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8806 (unroll_loop): Remove end_insert_before argument.
8807 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8808 (maybe_eliminate_biv_1): Likewise.
8809 (emit_iv_add_mult): Delete.
8810 (gen_add_mult, loop_regs_update): New.
8811 (loop_insn_emit_after, loop_insn_emit_before): New.
8812 (loop_insn_sink, loop_insn_sink_or_swim): New.
8813 (emit_iv_add_mult): Delete.
8814 (scan_loop): Set loop->sink.
8815 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8816 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8817 (maybe_eliminate_biv_1): Likewise.
8818 (maybe_eliminate_biv_1): Add basic block argument.
8819 * unroll.c (unroll_loop): Remove end_insert_before argument.
8820 (find_splittable_regs): Likewise.
8821 (find_splittable_regs): Use loop_insn_sink and its ilk.
8822 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8824 2001-01-07 Michael Hayes <mhayes@redhat.com>
8826 * loop.h (loop_insn_hoist): New prototype.
8827 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8828 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8829 (check_dbra_loop, load_mems): Likewise.
8830 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8831 (find_splittable_givs): Likewise.
8833 2001-01-07 Michael Hayes <mhayes@redhat.com>
8835 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8837 2001-01-07 Richard Henderson <rth@redhat.com>
8839 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8841 2001-01-07 Richard Henderson <rth@redhat.com>
8843 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8844 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8845 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8846 variant that handles a shared libgcc.
8847 (process_command): Always validate -{static,shared}-libgcc.
8848 (do_spec_1): New 'M' case.
8849 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8851 2001-01-07 Richard Henderson <rth@redhat.com>
8853 * Makefile.in (slibdir): New variable.
8854 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8855 (installdirs): Create slibdir.
8856 (install-libgcc, install-multilib): Defer to libgcc.mk.
8857 * configure.in (slibdir): Substitute.
8858 * mklibgcc.in (install): New target.
8860 * config/t-linux (SHLIB_LINK): Create links for the soname.
8861 (SHLIB_INSTALL): New.
8862 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8863 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8864 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8865 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8866 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8868 2001-01-07 Richard Henderson <rth@redhat.com>
8870 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8871 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8872 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8874 2001-01-07 Michael Hayes <mhayes@redhat.com>
8876 * loop.c (count_loop_regs_set): Delete.
8877 (load_mems_and_recount_loop_regs_set): Delete.
8878 (loop_regs_scan): Merge common code from count_loop_regs_set,
8879 scan_loop, and load_mems_and_recount_loop_regs_set.
8880 (scan_loop): Call load_mems directly and loop_regs_scan
8881 again if new registers created.
8883 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8885 * toplev.c (main): Call the front-end specific post_options
8886 hook if one is given.
8887 * toplev.h (struct_lang_hooks, lang_hooks): New.
8888 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8889 for the C front end.
8890 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8891 lang_hooks for the C++ front end.
8892 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8893 lang_hooks for the ObjC front end.
8894 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8895 * java/lang.c (lang_hooks): Hooks for the Java front end.
8897 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8899 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8900 for verbose DWARF[2] debugging.
8901 (cb_define, cb_undef): The new callbacks.
8902 * toplev.h (debug_define, debug_undef): Make const correct.
8903 * toplev.c (debug_define, debug_undef): Similarly. Do not
8904 perform the verbosity tests here anymore.
8906 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8908 * reload.c (subst_reloads): Take INSN argument. When
8909 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8910 * reload.h (subst_reloads): Adjust prototype.
8911 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8912 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8913 present in JUMP_INSNs and copy them to JUMP_LABEL.
8914 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8915 JUMP_INSNs and insns with REG_LABELs that are followed by
8916 JUMP_INSNs with the same REG_LABEL.
8917 * sched-rgn.c (is_cfg_nonregular): Likewise.
8918 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8920 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8922 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8924 2001-01-06 Richard Henderson <rth@redhat.com>
8926 * loop.c (scan_loop): Use xcalloc for the regs array.
8927 (load_mems_and_recount_loop_regs_set): Zero the new memory
8928 received from xrealloc.
8930 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8932 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8934 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8936 * integrate.c (copy_rtx_and_substitute): When copying
8937 an ignored return value, strip REG_FUNCTION_VALUE_P.
8939 2001-01-06 Michael Hayes <mhayes@redhat.com>
8941 * loop.c (debug_biv, debug_giv): New.
8942 (loop_biv_dump): Break out from ...
8943 (record_biv): ... here.
8944 (loop_giv_dump): Break out from ...
8945 (record_giv): ... here.
8946 (loop_bivs_check): Use print_simple_rtl.
8947 * unroll.c (loop_iterations): Use print_simple_rtl.
8949 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8951 * pa.md (return, return_internal): Modify patterns to prevent regrename
8952 mucking with the return pointer.
8954 2001-01-05 Richard Henderson <rth@redhat.com>
8956 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8958 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8960 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8961 version supplied by Matteo Frigo.
8963 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8965 * cpp.texi: Update for -MQ.
8966 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8967 (cpp_cleanup): Always free pfile->deps.
8968 (initialize_dependency_output): Don't create pfile->deps.
8969 (cpp_handle_option): Similarly.
8971 * gcc.c (cpp_options): Handle -MQ.
8972 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8973 * mkdeps.c (base_name): Remove.
8974 (deps_init): Don't allocate vector space until it's needed.
8975 (deps_free): Only free vectors if allocated.
8976 (deps_add_target, deps_add_dep): Update for initial allocation.
8977 (deps_add_default_target): Don't strip to the base_name.
8979 2001-01-05 DJ Delorie <dj@redhat.com>
8981 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8982 (INIT_EXPANDERS): Define.
8984 * config/v850/v850.c (struct machine_function): Define.
8985 (v850_save_machine_status): New function.
8986 (v850_restore_machine_status): New function.
8987 (v850_return_addr): New function.
8988 (v850_init_expanders): New function.
8990 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8991 and v850_init_expanders.
8993 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8995 * cpplib.h (struct cpp_reader): Add help_only field.
8996 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8997 (cpp_handle_option): Set pfile->help_only if we see -h,
8998 --help, -target-help, or --version. Print version string but
8999 do not set help_only if we see -v or -version. Make text
9000 printed by -v match that printed by (-)-version.
9002 * cppmain.c (main): Exit after option parsing if
9003 pfile->help_only is true.
9005 * toplev.c (independent_decode_option): Call print_version,
9006 then exit, if we see --version (but not -version).
9007 (print_version): Split lengthy message into two lines.
9009 2001-01-05 Nick Clifton <nickc@redhat.com>
9011 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9012 temporary string for initialisation before calling ggc_alloc_string.
9014 2001-01-06 Michael Hayes <mhayes@redhat.com>
9016 * rtl.h (print_simple_rtl): New.
9017 * print-rtl.c (print_simple_rtl): New.
9019 (print_rtx): Disable printing of flags and modes, etc.,
9020 if `flag_simple` nonzero.
9022 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9024 * function.c (fixup_var_refs): Use push_to_full_sequence where
9027 2001-01-05 Michael Meissner <meissner@redhat.com>
9029 * flags.h (flag_reorder_blocks): Add declaration.
9030 (flag_rename_block): Ditto.
9032 2001-01-05 DJ Delorie <dj@redhat.com>
9034 * function.c (reorder_blocks): Make sure the flags are all reset
9035 before using them to mark blocks, else a second invocation will
9036 corrupt the block chain.
9037 (reorder_blocks_0): New, resets the flags.
9039 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9041 * cse.c (find_comparison_args): Stop if the argument is known to
9044 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9046 * config/sh/sh.md (movdf): When splitting load into pair of
9047 registers, don't clobber the register used in the address too
9050 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9052 * varasm.c (mark_constant_pool): Improve initial comments.
9053 (mark_constants): Move marking of constants to mark_constant.
9054 (mark_constant): New function to recursively mark all constants
9055 referred to by a constant.
9057 2001-01-05 Catherine Moore <clm@redhat.com>
9059 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9061 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9063 * cp/lang-options.h: Bring comment in line with reality.
9064 * f/lang-options.h: Likewise.
9065 * java/lang-options.h: Likewise.
9066 * objc/lang-options.h: Likewise.
9067 * ch/lang-options.h: Likewise.
9068 * f/g77.texi: And update the manual.
9070 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9071 Denis Chertykov <denisc@overta.ru>
9073 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9074 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9075 * config/avr/avr.md (all peepholes that request a scratch register):
9076 Call it, FAIL the peephole if not safe (in interrupt functions).
9078 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9080 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9082 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9084 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9086 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9087 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9088 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9089 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9090 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9092 * extend.texi: Document these builtins.
9094 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9096 * c-common.c (lang_get_alias_set): Say we know nothing of
9097 VECTOR_TYPE aliasing.
9099 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9101 2001-01-05 Bruce Korb <bkorb@gnu.org>
9103 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9104 their x* equivalent versions for atexit-less systems
9105 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9106 systems (or any other system any more).
9108 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9110 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9111 output operands. Use arm_hard_register_operand for operand 4.
9112 (stmsi_postinc): Similarly.
9113 (ldmsi): Use arm_hard_register_operand for opernand 2.
9115 * arm.c (arm_hard_register_operand): New function.
9116 * arm-protos.h (arm_hard_register_operand): Prototype it.
9118 * arm.h (HARD_REGNO_RENAME_OK): Define.
9120 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9122 * simplify-rtx.c (cfc_args): add "unordered" field.
9123 (check_fold_consts): Set unordered field.
9124 (simplify_relational_operation): Simplify the unordered
9127 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9130 * emit-rtl.c (try_split): Fix code to mark labels.
9131 * jump.c (mark_jump_label): Make global.
9132 * rtl.h (mark_jump_label): Declare.
9134 * predict.c (estimate_probability): Handle unordred comparisons.
9136 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9138 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9139 * cppinit.c (initialize_dependency_output): Update.
9140 (cpp_finish): Output dummy targets for -MP.
9142 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9143 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9144 * gcc.c (cpp_options): Update to handle -MP.
9145 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9146 to quote only the default target.
9147 (deps_phony_targets): Insert a preceding newline. Rename from
9148 deps_dummy_targets for consistency.
9151 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9153 * calls.c (emit_library_call_value_1): Support
9154 INIT_CUMULATIVE_LIBCALL_ARGS.
9155 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9157 2001-01-04 Richard Henderson <rth@redhat.com>
9159 * c-decl.c (finish_struct): Detect flexible array members
9160 used in an inappropriate context.
9161 * c-typeck.c (really_start_incremental_init): Special case
9162 constructor_max_index for zero length arrays.
9163 (pop_init_level): Allow initialization of flexible array
9164 members. Deprecate initialization of zero length arrays.
9165 Don't issue missing initializer warning for flexible array
9166 members or zero length arrays.
9167 (process_init_element): Don't dereference null DECL_SIZE.
9168 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9169 Don't abort for empty constructors. Use size_binop
9170 (output_constructor): Add commentary regarding zero length
9171 array futures. Abort if we try to initialize an array of
9172 unspecified length with a non-empty constructor in the middle
9175 * extend.texi (Zero Length): Update and clarify documentation
9176 on static initialization.
9178 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9180 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9181 with more than 32767 words of local storage.
9183 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9185 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9186 for 'abs', 'labs', and 'fabs'.
9187 (c4x_expand_builtin): Likewise.
9188 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9190 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9192 * config/sh/sh.md (prget, prset): New insn types.
9193 (return delay slot): Dont' allow prset.
9194 (call, sfunc delay slot): Don't allow prget.
9195 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9196 for prset and prget.
9198 2001-01-05 Michael Hayes <mhayes@redhat.com>
9200 * loop.h (struct loop_reg): New.
9201 (struct loop_regs): Change to use array of `struct loop_reg'.
9202 * loop.c: Replace assortment of varrays with single regs array.
9203 (count_one_set): Delete may_not_move array argument
9204 and use regs array instead. All caller's changed.
9205 (count_loop_regs_set): Delete may_not_move and single_usage
9206 arguments and use regs array instead. All caller's changed.
9207 (find_single_use_in_loop): Replace usage array argument with pointer
9208 to regs structure. All caller's changed.
9209 (loop_optimize): Delete `moved_once' array.
9211 2001-01-05 Michael Hayes <mhayes@redhat.com>
9213 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9214 Use it instead of loop_info->has_call for scanning loop mems.
9215 (check_dbra_loop): Replace loop_info->has_call test with
9216 loop_info->has_nonconst_call.
9218 2000-01-04 Matthew Hiller <hiller@redhat.com>
9220 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9223 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9225 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9226 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9228 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9230 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9231 (flag_short_double, flag_short_wchar): Define.
9232 (c_common_nodes_and_builtins): Create many tree nodes shared
9233 between C and C++ here instead of in cp/decl.c and ...
9234 * c-decl.c (init_decl_processing): ... here.
9235 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9236 (flag_short_double, flag_short_wchar): Don't define.
9237 (record_builtin_type): New function.
9238 (build_void_list_node): New function.
9239 * c-common.h (flag_short_double, flag_short_wchar,
9240 record_builtin_type, build_void_list_node): Declare.
9242 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9244 * integrate.c (expand_inline_function): Don't put a virtual
9245 register into the reg map.
9247 * function.c (fixup_var_refs_1): If force_operand didn't put
9248 the address into the target, move it there.
9250 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9252 Special-case tree_decl/tree_list allocations.
9253 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9254 (OBJECT_SIZE): New macro.
9255 (NUM_EXTRA_ORDER): Likewise.
9256 (extra_order_size_table): New variable.
9257 (NUM_ORDERS): New macro.
9258 (objects_per_page_table): New variable.
9259 (object_size_table): New variable.
9260 (G.pages): Use NUM_ORDERS to bound the array.
9261 (G.page_tails): Likewise.
9262 (DIV_ROUND_UP): Remove.
9263 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9264 (alloc_page): Use OBJECT_SIZE.
9265 (size_lookup): Don't make it const.
9266 (ggc_alloc): Use OBJECT_SIZE.
9267 (ggc_set_mark): Likewise.
9268 (ggc_get_size): Likewise.
9269 (init_ggc): Set up the object_size_table, objects_per_page_table,
9270 and adjust size_lookup.
9271 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9272 (ggc_pop_context): Use NUM_ORDERS.
9273 (clear_marks): Likewise.
9274 (sweep_pages): Likewise.
9275 (poison_pages): Likewise.
9276 (ggc_print_statistics): Use OBJECT_SIZE.
9278 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9280 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9281 Only call array_size_for_constructor if last field and array type
9282 with no upper bound.
9284 2001-01-04 Philip Blundell <philb@gnu.org>
9286 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9287 from bit 31 downwards, if this requires no more insns.
9288 (count_insns_for_constant): New helper function for above.
9290 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9292 * gencodes.c (output_predicate_decls): Remove empty initializer.
9294 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9296 * tree.c (copy_node): Remove documentation about obstacks.
9297 (buidl1): Check that nobody tries to build 2-argument nodes this
9300 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9302 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9305 * gencodes.c (output_predicate_decls): Fill empty initializer
9308 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9310 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9311 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9313 (do_include): Handle missing headers like cpp0.
9314 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9315 paths with first include pathname. Don't strcat to uninitialized
9318 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9320 * regrename.c (regrename_optimize): Don't rename from frame pointer
9321 if frame_pointer_needed.
9322 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9323 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9324 (ia64_reorg): Use it instead of scheduling if ! optimize.
9325 (errata_emit_nops): Properly call asm_noperands.
9326 (ia64_sched_reorder): Finish cycle if we see an asm.
9327 (ia64_variable_issue): Clear scheduling state after asms.
9329 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9331 * cpp.texi: Update for -MT.
9332 * cppinit.c (initialize_dependency_output): Add a default
9333 target if none has been given already.
9334 (no_tgt, OPT_MT): New.
9335 (cpp_handle_option): Handle -MT. Update -M etc.
9336 * cpplib.h (struct cpp_options): Remove deps_target.
9337 * gcc.c (cpp_options): Handle -MT.
9338 * mkdeps.c (struct deps): Move from mkdeps.h.
9339 (deps_calc_target): Rename deps_add_default_target. Add a
9340 default target if none has been specified already.
9341 * mkdeps.h (struct deps): Move to mkdeps.c.
9342 (deps_calc_target): Rename deps_add_default_target.
9344 2000-01-03 Richard Henderson <rth@redhat.com>
9346 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9348 * c-typeck.c (push_init_level): Move checks for flexible array
9349 members and zero length arrays ...
9350 (pop_init_level): ... here. Silently discard empty initializations.
9352 * varasm.c (output_constructor): Update for sizeof change to
9355 * extend.texi (Zero Length): Clarify semantics.
9357 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9359 * configure.in (tm.h): Include isns-codes.h last.
9360 * configure: Rebuilt.
9362 2001-01-03 Richard Henderson <rth@redhat.com>
9364 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9365 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9367 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9369 * tradcpp.c (main): Make sure finclude() is called with a valid
9370 indepth value while handling -include.
9372 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9374 * gencodes.c (output_predicate_decls): New function.
9376 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9377 even if it is not the first time machmode.h is #included.
9378 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9379 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9380 * gcc.texi (Copyright): Added 2001.
9382 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9384 * c-common.c (c_common_lang_init): New function. Warn if format
9385 warning options which only have effects when used with -Wformat
9386 are used without -Wformat.
9387 * c-common.h (c_common_lang_init): Declare.
9388 * c-lang.c (lang_init): Call c_common_lang_init.
9389 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9391 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9393 * configure.in: Check for the mktemp command.
9394 * configure: Regenerate.
9395 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9396 $TEMP. Create temporary files with mktemp, if available at
9397 configure time; otherwise use set -C. Remove temporary files
9400 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9402 * configure.in: Require at least texinfo 4.0. Check for whether
9403 Pod::Man is sufficiently recent to regenerate GCC manpages.
9404 * configure: Regenerate.
9405 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9407 (GENERATED_MANPAGES): Define.
9408 (generated-manpages): New target. Depend on cpp.1 as well as
9410 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9411 configure to generated-manpages or empty) rather than on the
9412 manpages directly. Remove execute permission from installed
9413 gcov.1 as well as cpp.1.
9414 * cpp.1, gcov.1: Regenerate.
9416 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9418 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9419 tree_low_cst. Allow using cmpstrsi in more cases.
9421 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9423 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9426 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9428 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9429 * Makefile.in (HOST_CFLAGS): Mention build-make.
9431 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9433 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9436 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9438 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9441 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9444 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9445 reg_base_value and reg_known_value arrays.
9446 (init_alias_analysis): Add more cases to detect known values.
9447 * sched-deps.c (deps_may_trap_p): New function.
9448 (sched_analyze_2): Use it.
9450 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9452 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9453 don't discard an ASHIFTRT if we're shifting in a wider mode.
9455 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9457 * toplev.c (rest_of_compilation): Don't print basic block information
9458 when CFG isn't up to date.
9460 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9462 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9463 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9464 (UNALIGNED_SHORT_ASM_OP): Define.
9465 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9467 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9469 * fold-const.c (fold_convert): Fix typo.
9471 2001-01-02 Richard Henderson <rth@redhat.com>
9473 * c-common.h (ASM_INPUT_P): New.
9474 * c-parse.in (asm): Set it when needed.
9475 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9476 existance of an operand.
9478 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9480 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9481 (dwarf2out_frame_debug_expr): Likewise.
9482 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9484 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9486 * i386.c (ix86_split_to_parts): Return number of part required;
9488 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9490 (ix86_split_long_move): Use number of part returned
9491 by ix86_split_to_parts
9492 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9494 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9495 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9496 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9497 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9498 (ALIGN_MODE_128): Add TFmode.
9499 (IS_STACK_MODE): Likewise.
9500 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9501 (HARD_REGNO_OK): Support TFmodes.
9502 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9503 * i386.md (scheduler definitions): Use memory operand to determine
9504 fst/fld instructions; use mode attribute to determine real mode of
9506 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9507 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9509 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9511 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9513 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9515 * expr.c (store_constructor_field): Update ALIGN before calling
9518 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9520 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9523 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9525 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9528 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9530 * c-decl.c (start_function): Don't warn on third parameter to main.
9532 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9534 * tsystem.h: Define HAVE_DECL_GETOPT.
9536 2001-01-02 Philip Blundell <pb@futuretv.com>
9538 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9541 2001-01-02 Richard Henderson <rth@redhat.com>
9543 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9545 2001-01-02 Andreas Jaeger <aj@suse.de>
9547 * c-decl.c (c_decode_option): Remove support of
9550 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9551 (W_options): Add -Wmissing-noreturn here.
9553 * flow.c: Define lang_missing_noreturn_ok_p.
9554 (check_function_return_warnings): Use it.
9556 * c-common.h: Declare lang_missing_noreturn_ok_p.
9558 * c-lang.c (c_missing_noreturn_ok_p): New function.
9559 (lang_init): Set lang_missing_noreturn_ok_p.
9561 * invoke.texi (Warning Options): Document this.
9563 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9565 * extend.texi (C++ Extensions): New node for C++ attributes;
9566 describe init_priority and com_interface.
9567 * invoke.texi: Remove -finit-priority as it now has zero effect.
9568 * install.texi: Fix xref syntax.
9569 * md.texi: Likewise.
9571 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9573 * config.gcc (sparc64-wrs-vxworks*): New case.
9574 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9576 * config/sparc/sparc.c (sparc_override_options): Do support different
9577 pointer and architecture size.
9578 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9579 (POINTERS_EXTEND_UNSIGNED): Define.
9580 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9581 (FUNCTION_MODE): Define to be Pmode.
9582 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9584 * function.c (expand_function_end): Properly handle DECL_RESULT
9585 and copy when ptr_mode != Pmode.
9586 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9588 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9590 * c-common.c (c_common_nodes_and_builtins): Set prototype
9591 parameters for __builtin_fputs, __builtin_fputc and
9592 __builtin_fwrite. Don't declare plain fputc as a builtin.
9594 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9596 * loop.c (add_label_notes): Increment the label usage count when
9597 a note is added to an insn which refers to a CODE_LABEL.
9598 * gcse.c (add_label_notes): Likewise.
9600 2001-01-01 Andreas Jaeger <aj@suse.de>
9602 * loop.c (scan_loop): Use xmalloc to allocate movables.
9604 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9606 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9607 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9608 * reload1.c (REGISTER_MOVE_COST): Likewise.
9609 * regclass.c (REGISTER_MOVE_COST): Likewise.
9610 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9611 dimension. Adjust all users.
9612 (init_reg_sets_1): Iterate on all modes.
9613 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9614 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9615 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9616 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9617 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9618 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9619 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9620 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9621 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9622 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9623 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9624 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9625 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9626 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9627 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9628 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9629 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9630 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9631 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9632 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9633 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9634 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9635 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9636 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9637 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9638 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9639 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9641 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9643 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9644 arg VARIES_P. Call it with extra arg.
9645 (true_dependence): Likewise.
9646 * rtl.h (rtx_addr_can_trap_p): Declare.
9647 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9649 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9650 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9651 pic offset table register if it's zero. All callers changed.
9652 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9654 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9656 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9657 STRING_POOL_ADDRESS_P.
9659 * config/sparc/sparc.c (input_operand): Properly test for short op.
9661 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9662 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9663 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9664 * config/sparc/elf.h: No longer include sol2.h.
9665 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9666 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9668 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9670 2001-01-01 Michael Hayes <mhayes@redhat.com>
9672 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9673 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9674 (record_initial): Likewise.
9675 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9676 (remap_split_bivs): Likewise.
9678 2001-01-01 Michael Hayes <mhayes@redhat.com>
9680 * loop.c (loop_ivs_free): New function.
9681 (strength_reduce): Break out from...
9683 2001-01-01 Michael Hayes <mhayes@redhat.com>
9685 * loop.h (struct iv): New.
9686 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9687 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9688 'reg_biv_class' fields with 'regs' and 'n_regs'.
9689 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9690 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9691 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9693 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9695 * resource.c (mark_referenced_resources): Abort() before
9696 attempting to mark a pseudo register.
9697 (mark_set_resources): Likewise.
9699 2001-01-01 Michael Hayes <mhayes@redhat.com>
9701 * loop.h (REG_IV_CLASS): New accessor macro.
9702 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9703 * unroll.c (REG_IV_CLASS): Likewise.
9705 See ChangeLog.4 for earlier changes.