1 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4 special_constant conditional blocks together.
6 2001-05-02 Dale Johannesen <dalej@apple.com>
8 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
10 (STRICT_ARGUMENT_NAMING): Define.
11 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
12 function_arg_partial_nregs, setup_incoming_varargs): Remove
13 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
16 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
18 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
20 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
23 * expr.c (store_field): Do nothing except elaborate side-effects if
26 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
28 * c-lex.c: NULL_PTR -> NULL.
30 * emit-rtl.c: Likewise.
32 * genpeep.c: Likewise.
34 * mips-tdump.c: Likewise.
35 * reload1.c: Likewise.
36 * rtlanal.c: Likewise.
38 * stor-layout.c: Likewise.
41 2001-05-01 Per Bothner <per@bothner.com>
43 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
44 call do_pending_stack_adjust before emiting label.
46 2001-05-01 Mark Mitchell <mark@codesourcery.com>
48 * extend.texi: Fix typo.
50 2001-05-01 Stan Shebs <shebs@apple.com>
52 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
53 of UOBJC_MODULES_decl.
54 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
55 (generate_descriptor_table): Ditto.
56 (generate_protocols): Ditto.
57 (generate_protocol_list): Ditto.
58 (generate_classref_translation_entry): Ditto.
60 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
62 * invoke.texi (Optimize Options): Add documentation for `--param
63 max-delay-slot-insn-search' and `--param
64 max-delay-slot-live-search' and reorder --param section.
65 * params.def: Modify initial comment.
66 * params.h (param_info): Add `help' member.
67 * toplev.c (lang_independent_params): Include `help' description.
68 (display_help): Print --param parameters.
70 2001-05-01 Zack Weinberg <zackw@stanford.edu>
72 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
73 Remove references to deleted files.
74 (*-*-openbsd): No need to override xmake_file.
75 (*-*-sysv4): Treat like *-*-sysv.
77 * configure.in: Probe for ldopen in various places, and set up
78 collect2 to be linked with them if found.
79 Don't dink with Windows registry stuff unless $host_os is a
80 Win32 os name. Check to see if we need -ladvapi32.
81 * configure: Regenerate.
83 * Makefile: Get rid of CLIB and HOST_CLIB.
84 Substitute in COLLECT2_LIBS and link collect2 against its contents.
85 * build-make: Get rid of HOST_CLIB.
87 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
88 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
89 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
90 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
91 config/rs6000/x-rs6000: Delete.
93 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
96 24 x-host fragments remain, 0 x-cpu, 3 top level.
98 2001-05-01 Zack Weinberg <zackw@stanford.edu>
100 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
101 * configure: Regenerate.
103 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
105 * Makefile.in (install-headers): Remove redundant dependency.
107 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
109 * c-tree.texi (USING_STMT): Document.
111 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
113 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
114 * c-common.c: Likewise.
115 * c-decl.c: Likewise.
116 * combine.c: Likewise.
117 * rs6000.c: Likewise.
118 * except.c: Likewise.
119 * explow.c: Likewise.
121 * fold-const.c: Likewise.
122 * function.c: Likewise.
125 * integrate.c: Likewise.
127 * objc/objc-act.c: Likewise.
129 * reg-stack.c: Likewise.
130 * reload.c: Likewise.
131 * reload1.c: Likewise.
132 * simplify-rtx.c: Likewise.
134 * varasm.c: Likewise.
136 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
138 * diagnostic.def: New file.
139 * diagnostic.h (diagnostic_t): New enum.
140 * Makefile.in (diagnostic.o): Depend on diagnostic.def
142 2001-04-30 Zack Weinberg <zackw@stanford.edu>
144 * tsystem.h: Test only POSIX for availability of string.h
146 * config.gcc (all systems): If USG appeared in xm_defines,
147 change it to POSIX. If both USG and POSIX appeared, just
148 delete USG. Remove unnecessary quotes around xm_defines
150 (m68k-crds-unos*): Don't #define unos - tested nowhere.
151 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
152 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
153 powerpc-*-linux*): No need to set xm_defines - handled by
154 global settings for *-*-linux*.
156 2001-04-30 Zack Weinberg <zackw@stanford.edu>
158 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
159 Always include gstab.h, not system stab.h. Don't provide
160 default definitions of N_CATCH or N_OPT. Always use the
161 gstab.h variant of STAB_CODE_TYPE.
162 * final.c: Don't include stab.h/gstab.h at all, or provide
163 defaults for N_SLINE and N_SOL.
165 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
166 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
168 * sdbout.c: Always include gsyms.h instead of system syms.h.
170 * configure.in: No need to check for stab.h.
171 * configure, config.in: Regenerate.
172 * Makefile.in (final.o): Don't depend on gstab.h.
174 2001-04-30 Mark Mitchell <mark@codesourcery.com>
175 Richard Henderson <rth@redhat.com>
177 * extend.texi: Improve documentation of volatile asms.
179 2001-04-30 Mark Mitchell <mark@codesourcery.com>
181 * c-tree.texi: Fix thinko.
182 * gcc.texi: Likewise.
184 2001-04-30 Richard Henderson <rth@redhat.com>
186 * c-common.c (c_promoting_integer_type_p): New function, from the
187 corpse of old macro. Properly promote too-small enumerations and
188 booleans. Adjust all callers.
189 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
190 (c_promoting_integer_type_p): Declare.
191 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
192 * c-typeck.c: Likewise.
193 (default_conversion): Remove now redundant boolean check.
195 2001-04-30 Jan Hubicka <jh@suse.cz>
196 Richard Henderson <rth@redhat.com>
198 * regmove.c (try_apply_stack_adjustment): Remove now redundant
200 (combine_stack_adjustments_for_block): Don't combine stack
201 allocation followed by deallocations. Handle grow-up stacks.
203 2001-04-30 Mark Mitchell <mark@codesourcery.com>
205 * fdl.texi: New file.
206 * c-tree.texi: Use the GFDL.
207 * gcc.texi: Likewise.
209 2001-04-30 Stan Shebs <shebs@apple.com>
211 * invoke.texi: Add a section documenting Objective-C options.
213 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
215 * emit-rtl.c (try_split): Copy EH notes to sequence.
217 2001-04-30 Mark Mitchell <mark@codesourcery.com>
219 * regmove.c (record_stack_memrefs): Catch all references to the
222 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
224 * Makefile.in(stmp-fixinc): quote shell assignment values
226 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
228 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
232 * prefix.c: Likewise.
234 2001-04-28 Stan Shebs <shebs@apple.com>
236 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
237 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
238 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
239 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
241 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
242 (NEXT_OBJC_RUNTIME): Define.
244 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
246 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
247 * simplify-rtx.c (simplify_gen_relational): Likewise.
249 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
251 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
252 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
254 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
255 registers in SSE case; fix handling of the immediates.
256 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
257 operands to be in regsiters before reload.
258 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
259 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
260 (abstf,absxf,negtf,negxf splitters): Compute
261 properly the regnum for x86_64.
262 (avsdf2_if_rex64): New.
264 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
266 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
267 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
268 into the constant pool.
269 * jump.c (jump_optimize_1): Remove barrier successors after all
270 the LABEL_NUSES counds have been computed.
271 (delete_barrier_successors): When deleting a tablejump insn, also
272 delete the jump table it uses.
273 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
276 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
278 * pa.c (FRP): Remove erroneous white space in macro definition.
280 2001-04-28 Andreas Jaeger <aj@suse.de>
282 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
284 * extend.texi: Likewise.
287 2001-04-28 Andreas Jaeger <aj@suse.de>
289 * md.texi: Use XX-bit instead of XXbit or XX bit where
292 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
294 * gcc.c (process_command): Allow -l lib in addition to -llib
295 for POSIX compliance. This fixes PR c/2347.
297 * invoke.texi: Update section on Link Options accordingly.
299 2001-04-27 Zack Weinberg <zackw@stanford.edu>
301 * function.c (purge_addressof_1): Remove the duplicate
302 if (code == SET) block. Fold the two if (code == ADDRESSOF)
305 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
307 * except.c (expand_eh_region_start): Don't start a new block.
308 (expand_eh_region_end): Don't end a block.
309 * stmt.c (expand_end_bindings): Don't end EH blocks.
310 (expand_decl_cleanup): Starting an EH region won't change the block.
311 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
312 (is_eh_region): Lose.
315 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
317 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
319 * collect2.c (main): Add `-L' case to remove duplicate entries.
320 (is_in_args): New function to check for a duplicate argument.
321 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
322 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
323 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
324 Define to be nonzero.
326 2001-04-27 Andreas Jaeger <aj@suse.de>
327 Richard Henderson <rth@redhat.com>
329 * md.texi (Machine Constraints): Document additional i386
330 constraints and fix description of "A".
332 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
334 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
336 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
338 * except.c (get_exception_filter): word_mode, not Pmode.
340 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
342 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
343 common to other movsf patterns. Move up so that in future
344 people who change the other patterns will change it too.
345 (movsf_lo_sum): Allow even for soft-float; add appropriate
347 (movsf_high): Likewise.
348 (movsf_high+1): Allow even for soft-float.
350 * function.c (expand_function_end): Always clobber the
351 return registers, even if there is no return label.
353 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
355 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
357 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
359 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
360 (pushqi2_rex64, pushhi2_rex64): Add.
362 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
364 * except.c (expand_eh_region_end_cleanup): Force pending stack
365 adjust before emitting label that branches around cleanup code.
367 2001-04-26 H.J. Lu (hjl@gnu.org)
369 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
371 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
373 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
374 (ASM_OUTPUT_SECTION_NAME): Likewise.
375 (ASM_WEAKEN_LABEL): Likewise.
376 (UNIQUE_SECTION): Likewise.
377 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
378 (ASM_OUTPUT_DESTRUCTOR): Likewise.
379 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
380 (ASM_OUTPUT_SECTION_NAME): Likewise.
381 (ASM_WEAKEN_LABEL): Likewise.
382 (UNIQUE_SECTION): Likewise.
383 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
384 (ASM_OUTPUT_DESTRUCTOR): Likewise.
385 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
386 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
387 (ASM_FILE_START): Likewise.
388 (ASM_OUTPUT_SOURCE_LINE): Likewise.
389 (ASM_DECLARE_OBJECT_NAME): Likewise.
390 (ASM_FILE_END): Likewise.
391 (ASM_DECLARE_FUNCTION_NAME): Likewise.
392 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
393 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
394 (ASM_OUTPUT_CASE_LABEL): Likewise.
395 (ASM_OUTPUT_SKIP): Likewise.
396 (ASM_OUTPUT_ASCII): Likewise.
397 (ASM_OUTPUT_IDENT): Likewise.
398 (READONLY_DATA_SECTION): Likewise.
399 (EXTRA_SECTIONS): Likewise.
400 (EXTRA_SECTION_FUNCTIONS): Likewise.
401 (SELECT_RTX_SECTION): Likewise.
402 (SELECT_SECTION): Likewise.
404 * config/mips/linux.h (INVOKE__main): Undefine.
405 (CTOR_LIST_BEGIN): Likewise.
406 (CTOR_LIST_END): Likewise.
407 (DTOR_LIST_BEGIN): Likewise.
408 (DTOR_LIST_END): Likewise.
409 (SET_ASM_OP): Defined it to ".dummy".
410 (ASM_OUTPUT_DEF): Defined.
411 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
413 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
415 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
416 assembler supports .p2align.
418 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
420 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
422 2001-04-26 Jakub Jelinek <jakub@redhat.com>
424 * integrate.c (expand_inline_function): Check for error_mark_node
427 2001-04-26 Jakub Jelinek <jakub@redhat.com>
429 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
432 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
434 * configure.in (configargs.h): Define thread_model.
435 * configure: Rebuilt.
436 * gcc.c (main): Print it with -v.
438 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
440 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
441 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
444 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
446 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
447 is_redundant_typedef): Use static inline instead of inline static.
449 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
451 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
452 this directory is always searched.
454 2001-04-25 Richard Henderson <rth@redhat.com>
456 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
457 of registers to restore along non eh_return path.
459 2001-04-25 Jakub Jelinek <jakub@redhat.com>
461 * c-format.c (check_format_info_recurse): Handle
462 PLUS_EXPR for format string.
464 2001-04-25 Jakub Jelinek <jakub@redhat.com>
466 * config/ia64/ia64.h (CC1_SPEC): Define.
467 * config/ia64/linux.h (CC1_SPEC): Define.
469 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
471 * emit-rtl.c (constant_subword): Also do sign extension in
472 BITS_PER_WORD == 16 case.
474 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
476 * loop.c (try_swap_copy_prop): Go back to checking insn.
478 2001-04-25 Jakub Jelinek <jakub@redhat.com>
480 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
481 if check_mode is non-zero.
483 2001-04-25 Jakub Jelinek <jakub@redhat.com>
485 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
486 out and comparison sequence has been detected, put result into
487 proper temporary pseudo.
489 2001-04-24 Zack Weinberg <zackw@stanford.edu>
491 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
492 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
493 * libgcc2.c: Remove __dummy and __builtin_saveregs.
494 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
495 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
496 for future reference.
498 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
500 * except.c (reachable_handlers): Step out one level from a RESX.
502 * except.c (struct eh_region): Rename 'last' to 'resume'.
503 (mark_eh_region, duplicate_eh_region_1): Adjust.
504 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
505 (build_post_landing_pads): Likewise.
506 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
507 (expand_eh_region_end_must_not_throw): Likewise.
508 (connect_post_landing_pads): Thread (only) regions with non-deleted
511 * except.c (expand_eh_region_end_cleanup): Save the EH return data
512 registers around the cleanup.
513 (get_exception_filter): New fn.
514 (finish_eh_generation): Use it.
516 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
518 * c-semantics.c (add_scope_stmt): Don't call
519 current_scope_stmt_stack multiple times.
521 2001-04-24 Zack Weinberg <zackw@stanford.edu>
522 Nathan Sidwell <nathan@codesourcery.com>
524 Lazy __FUNCTION__ generation.
525 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
526 RID_C99_FUNCTION_NAME): New _RIDs.
527 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
528 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
529 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
531 (function_id_node, pretty_function_id_node, func_id_node): Remove.
532 (c99_function_name_decl_node, function_name_decl_node,
533 pretty_function_name_decl_node, saved_function_name_decls):
535 (struct language_function): Remove x_function_name_declared_p.
536 (make_fname_decl): Remove a parameter.
537 (declare_function_names): Remove prototype.
538 (start_fname_decls, finish_fname_decls): Prototype.
539 (fname_as_string): Likewise.
540 (fname_string, fname_decl): Likewise.
541 * c-common.c (make_fname_decl): Adjust.
542 (struct fname_var_t): New struct.
543 (fname_vars): New static array.
544 (declare_function_name): Remove.
545 (start_fname_decls, finish_fname_decls): New functions.
546 (fname_as_string): New function from remnants of
547 declare_function_name.
548 (fname_string, fname_decl): New functions.
550 * c-decl.c (c_function_name_declared_p): Remove.
551 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
552 don't call declare_function_name. Call start_fname_decls.
553 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
554 clobber the line number. Call finish_decl.
555 (start_function): Call start_fname_decls.
556 (finish_function): Call finish_fname_decls.
557 Remove c_function_name_declared_p.
558 (push_c_function_context): Don't push c_function_name_declared_p.
559 (pop_c_function_context): Don't pop c_function_name_declared_p.
560 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
561 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
562 (program): Call finish_fname_decls for C.
563 (primary): Add VAR_FUNC_NAME.
564 (reswords): Add slots for __FUNCTION__ et al.
565 (rid_to_yy): Add mappings for __FUNCTION__ et al.
566 (yylexname): If it's a STRING_FUNC_NAME generate the function name
567 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
568 * c-semantics.c (prune_unused_decls): Remove.
569 (finish_stmt_tree): Don't call prune_unused_decls.
570 (genrtl_decl_stmt): Don't prune unused decls here.
572 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
574 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
575 constant pool, use the pool's SYMBOL_REF instead.
577 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
580 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
582 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
583 passing nested NOP_EXPRs to fold.
585 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
587 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
589 2001-04-22 Mark Mitchell <mark@codesourcery.com>
591 * loop.c (loop_delete_insns): Add prototype.
593 2001-04-23 Phil Edwards <pme@sources.redhat.com>
595 * configure.in: Remove ENABLE_STD_NAMESPACE.
596 * config.in: Regenerated.
597 * configure: Regenerated.
599 2001-04-22 Stan Shebs <shebs@apple.com>
601 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
603 * config/rs6000/xm-darwin.h: Remove file.
605 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
607 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
608 (write_c_file_stat): Likewise.
610 * dbxout.c (dbxout_init): Likewise.
612 * profile.c (output_func_start_profiler): Likewise.
614 2001-04-22 Philipp Thomas <pthomas@suse.de>
616 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
617 require it instead of the CVS version.
618 * cpperror.c (v_message): Put a blank before the macro
619 body to not confuse exgettext.
621 2001-04-21 Mark Mitchell <mark@codesourcery.com>
623 * flow.c (proagate_one_insn): Remove useless assignment.
624 * jump.c (delete_insn): Tidy.
625 * loop.c (try_copy_prop): When deleting an instruction with a
626 REG_RETVAL note, delete the entire libcall sequence.
627 (loop_delete_insns): New function.
628 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
629 we're not substituting into them yet.
631 2001-04-21 Kazu Hirata <kazu@hxi.com>
633 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
635 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
637 * config/i960/i960.c (signed_arith_operand): Likewise.
639 * calls.c (expand_call): Fix a comment typo.
641 2001-04-20 Zack Weinberg <zackw@stanford.edu>
643 * configure.in: Probe for times, clock, struct tms, and clock_t.
644 * configure, config.in: Regenerate.
645 * timevar.c: Replace ifdef forest in get_time with (relatively)
646 straightforward series of checks based on autoconf's probes.
648 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
650 * config/pa/som.h (NM_FLAGS): Define.
652 2001-04-20 Bernd Schmidt <bernds@redhat.com>
654 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
656 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
657 * ia64.c (nop_cycles_until): New function.
658 (prev_cycle, prev_first, last_issued): New static variables.
659 (ia64_sched_reorder): Additional arg for clock.
660 On final scheduling pass, emit extra NOPs as needed.
661 Set prev_first and prev_cycle.
662 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
663 (ia64_variable_issue): Set last_issued.
665 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
667 * config/i386/i386.c (ix86_expand_int_movcc,
668 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
670 2001-04-20 Geoff Keating <geoffk@redhat.com>
672 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
673 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
674 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
675 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
676 ctrdi_internal6): In the short-branch case, this insn is only 4
677 bytes long. Reported by Reza Yazdani <reza@apple.com>.
679 2001-04-20 Jakub Jelinek <jakub@redhat.com>
681 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
682 "=u" is used together with "st" resp. "st(1)" clobber.
684 2001-04-20 Jakub Jelinek <jakub@redhat.com>
686 * gcse.c (gcse_main): Fix comment typo.
687 (delete_null_pointer_check): Likewise.
688 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
689 * cse.c (cse_insn): Likewise.
690 * function.c (fixup_var_refs_insns_with_hash): The sequence is
693 2001-04-19 Zack Weinberg <zackw@stanford.edu>
695 * toplev.c: Excise all code for the undocumented -dm option.
696 (float_signal): Call signal just once, unconditionally.
698 2001-04-19 Geoff Keating <geoffk@redhat.com>
700 * fold-const.c (fold): Use first_rtl_op rather than
701 TREE_CODE_LENGTH when looping over parameters of a tree.
702 Correct strange grouping in test for evaluated SAVE_EXPR.
704 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
706 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
707 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
709 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
710 name at 32 total characters.
711 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
712 functions in named sections -- data items can still go into unique
713 sections, but they have normal names (ie $LIT$ and $DATA$).
715 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
718 2001-04-19 DJ Delorie <dj@redhat.com>
720 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
721 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
722 * config/i386/cygwin.h: Likewise.
723 * config/i386/mingw32.h: Likewise.
724 * config/vax/vms.h: Likewise.
725 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
727 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
728 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
729 * config/i386/xm-cygwin.h: Likewise.
730 * config/i386/xm-djgpp.h: Likewise.
731 * config/i386/xm-mingw32.h: Likewise.
732 * config/vax/xm-vms.h: Likewise.
734 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
735 instead of OBJECT_SUFFIX.
736 * collect2.c (find_a_file): Look for files matching the extension
737 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
738 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
739 TARGET_EXECUTABLE_SUFFIX.
740 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
741 (make_relative_prefix): Likewise.
742 (convert_filename): Use TARGET_ suffixes throughout. Remove
744 (process_command): Likewise.
745 (do_spec_1): Likewise.
746 * java/lang.c (init_parse): Likewise.
748 * gcc.texi : Document four new options matching the pattern
749 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
750 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
751 documentation for NO_AUTO_EXE_SUFFIX.
753 2001-04-19 Mark Mitchell <mark@codesourcery.com>
755 * toplev.h (struct lang_hooks): Allow decode_option to indicate
756 that language-independent processing should not be done.
757 * toplev.c (main): Adjust accordingly.
759 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
760 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
762 * mips.md (reload_outputdi): Require that operand0 be a
765 2001-04-19 Jakub Jelinek <jakub@redhat.com>
767 * invoke.texi (-Wshadow): Clarify.
769 2001-04-18 Mark Mitchell <mark@codesourcery.com>
771 * loop.c (load_mems): Examine all the instructions in the loop
772 before concluding that all jumps branch to the first instruction
775 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
777 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
779 2001-04-18 Jakub Jelinek <jakub@redhat.com>
781 * cpp.texi (-Wwhite-space): Remove.
782 (-Wall): -Wall does not imply -Wwhite-space.
784 2001-04-17 Zack Weinberg <zackw@stanford.edu>
786 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
787 use it instead of blindly generating a .stabs.
788 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
790 * xcoffout.c: Don't bother defining default for N_CATCH.
791 (UNKNOWN_STAB): Use internal_error.
792 (stab_to_sclass): Remove now-unnecessary aborts.
793 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
795 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
797 * jump.c (mark_all_labels): Canonicalize the tail recursion
798 label attached to CALL_PLACEHOLDER insns.
800 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
802 * output.h (dump_flow_info, free_basic_block_vars,
803 which_alternative): Delete redundant prototypes.
805 * rtl.h (bss_section): Likewise.
807 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
809 * dbxout.c (N_OPT): Define if not available from <stab.h>
811 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
813 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
814 libraries and native K&R compilers.
816 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
818 * c-typeck.c (convert_arguments): Don't check for width changes
821 * invoke.texi (-Wtraditional): Update documentation.
823 2001-04-16 Zack Weinberg <zackw@stanford.edu>
825 * toplev.c (output_lang_identify): Delete.
826 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
827 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
828 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
829 after calling ASM_FILE_END.
831 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
832 Instead, unconditionally emit an N_OPT stab with string equal
833 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
835 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
837 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
838 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
839 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
840 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
841 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
842 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
843 config/i370/i370.h, config/i386/beos-elf.h,
844 config/i386/osf1elf.h, config/i386/osfrose.h,
845 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
846 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
847 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
848 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
849 config/mips/iris6.h, config/mips/osfrose.h,
850 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
851 config/sparc/sp64-elf.h:
852 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
853 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
855 * config/elfos.h, config/freebsd.h, config/linux.h,
856 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
857 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
858 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
859 of ASM_FILE_START which merely emit a .version directive. Delete
860 definitions of ASM_FILE_END which merely emit an .ident directive.
862 * config/avr/avr.h, config/vax/vax.h: Delete definition of
863 ASM_IDENTIFY_GCC and move part of its logic into
866 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
867 config/sparc/linux-aout.h: Don't emit .version directive in
870 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
871 (output_file_start): Correct comment.
873 * config/i386/osfrose.h: Don't emit trailing .ident directive.
874 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
876 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
877 * config/rs6000/aix.h: Correct comment.
879 * config/i386/i386afe.h: Delete.
880 * config.gcc: Remove references to i386afe.h.
882 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
883 other macros deleted by this patch were undocumented.
885 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
887 * pa.md (reload_outdi): Operand 0 must be a non hard register.
889 * pa.c (secondary_reload_class): SAR<->FP copies require a
892 * install.texi (mips-mips-bsd): Update list of functions
893 required to include memmove.
894 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
895 used functions to include memmove.
897 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
899 * i386.md (sqrtdf2): SFmode should be DFmode.
901 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
903 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
904 (find_moveable_store): Likewise.
906 2001-04-15 Jim Wilson <wilson@redhat.com>
908 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
910 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
912 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
913 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
915 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
917 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
920 2001-04-14 Alan Modra <amodra@one.net.au>
922 * pa.c (force_mode): New function.
923 (emit_move_sequence): Use it instead of generating new rtx_REGs.
925 2001-04-13 Jim Wilson <wilson@redhat.com>
927 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
928 (first_instruction): New static variable.
929 (rtx_needs_barrier): Return 1 for alloc.
930 (init_insn_group_barriers): Set first_instruction.
931 (rws_sum): Delete duplicate definition.
932 (group_barrier_needed_p): Return 0 when first_instruction true.
933 (safe_group_barrier_needed_p): Save and restore first_instruction
934 around group_barrier_needed_p call.
936 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
938 * expr.h (enum libfunc_index): Add LTI_memmove.
939 (memmove_libfunc): Define macro.
940 * optabs.c (init_optabs): Initialize memmove_libfunc.
941 * expr.c (expand_assignment): Use memmove_libfunc instead of
944 2001-04-13 Alan Modra <alan@linuxcare.com.au>
946 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
949 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
951 * Makefile.in (reg-stack.o): Depend on reload.h.
952 (insn-attrtab.o): Depend on flags.h.
954 * genattrtab (main): Include flags.h in insn-attrtab.c.
956 * reg-stack.c: Include reload.h.
958 * sparc.h (flag_pic): Delete redundant declaration.
960 * output.h (flag_pic): Likewise.
962 * tree.h (pedantic): Likewise.
964 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
966 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
968 * jump.c, regmove.c, toplev.c: Include reload.h.
970 * reload.h (reload_cse_regs): Declare.
972 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
973 reload_cse_regs, init_reload, mark_home_live, reload,
974 init_caller_save): Delete redundant prototypes.
976 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
978 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
980 * regclass.c, ssa.c: Include expr.h.
982 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
983 gen_move_insn): Delete redundant declarations.
985 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
987 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
988 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
989 MAKEINFO and MAKEINFOFLAGS too.
990 (stage4_build): Correctly order -B flags.
992 2001-04-13 Alan Modra <amodra@one.net.au>
994 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
995 PIC_OFFSET_TABLE_SAVE_RTX.
996 (zdepi_cint_p): Describe zdepi insn.
997 Formatting and white space fixes throughout file.
999 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1000 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1001 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1002 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1003 (output_64bit_and): Use plain `int's for shift counts.
1004 (output_64bit_ior): Likewise.
1005 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1006 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1009 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1010 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1011 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1012 NEW_HP_ASSEMBLER into one. Kill warnings.
1014 * pa-gas.h: Delete file.
1015 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1016 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1017 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1018 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1020 * config/pa/mill32.S: New file.
1021 * config/pa/mill64.S: New file.
1022 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1023 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1024 * config/pa/t-linux64: New file.
1025 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1026 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1027 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1029 * elfos.h (SELECT_SECTION): Undef before defining.
1030 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1031 (LIB_SPEC): Remove -lmilli.
1032 (DBX_REGISTER_NUMBER): Remove.
1033 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1034 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1035 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1036 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1037 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1038 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1039 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1040 TARGET_GAS): Define.
1041 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1042 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1043 regs if we don't have a prototype.
1044 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1045 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1046 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1047 EH_RETURN_HANDLER_RTX): Define.
1048 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1049 (DWARF_FRAME_REGNUM): Define.
1050 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1051 * pa32-linux.h: New file.
1052 * pa64-linux.h: New file.
1054 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1055 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1056 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1057 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1058 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1059 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1060 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1061 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1062 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1063 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1064 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1065 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1066 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1067 * pa64-hpux.h: New file.
1068 (ASM_FILE_START): Correct typo.
1069 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1070 * config.gcc: Modify for above.
1072 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1074 * jump.c (jump_optimize_1): Don't delete dead stores here.
1075 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1076 prior to running jump optimize before cse2.
1078 2001-04-12 Richard Henderson <rth@redhat.com>
1080 * Makefile.in (regmove.o): Depend on except.h.
1081 * regmove.c: Include it.
1083 2001-04-12 Stan Shebs <shebs@apple.com>
1085 * objc/objc-act.c: Remove all code ifdefed with the never-used
1086 macro OBJC_INT_SELECTORS.
1087 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1088 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1090 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1092 * config/pa/quadlib.c: Add prototypes.
1094 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1096 * bitmap.h (debug_bitmap): Delete redundant prototype.
1098 * rtl.h (get_frame_size): Likewise.
1100 2001-04-12 Jim Wilson <wilson@redhat.com>
1102 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1103 to just emit an fnorm.
1105 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1107 * c-common.h (truthvalue_conversion, type_for_mode,
1108 type_for_size): Delete redundant declarations.
1110 * c-lex.h (is_class_name): Likewise.
1112 * c-tree.h (pedantic, convert, getdecls, gettags,
1113 global_bindings_p, init_decl_processing, insert_block,
1114 maybe_build_cleanup, poplevel, print_lang_decl,
1115 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1116 set_block, incomplete_type_error, build_function_call,
1117 lvalue_or_else, mark_addressable): Likewise.
1119 * expr.h (expand_tree_builtin): Likewise.
1121 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1123 * invoke.texi: Document --param max-gcse-memory.
1125 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1127 * configure.in (errno): Check for declaration.
1128 * configure, config.in: Regenerated.
1130 * system.h (errno): Only declare if not already done.
1132 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1134 * recog.c (general_operand, immediate_operand,
1135 nonmemory_operand): Require CONST_INTs to be sign-extended
1136 values for their modes.
1138 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1140 * expmed.c (store_bit_field): Truncate CONST_INTs.
1141 (expand_mult_highpart, expand_divmod): Likewise.
1142 * expr.c (convert_modes, store_field): Likewise.
1143 * integrate.c (expand_inline_function): Use promote_mode() to
1144 determine whether to convert_modes() an argument as signed
1146 * optabs.c (expand_binop): Get CONST_INT operands
1147 sign-extended for their appropriate modes.
1148 * stmt.c (emit_case_nodes): Convert node values to the
1150 (expand_end_case): Convert minval and range to the appropriate
1152 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1153 the iteration variable.
1154 * varasm.c (immed_double_const): Don't require words to be
1155 narrower than host wide ints to properly sign-extend
1158 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1160 * sh.md (builtin_setjmp_receiver): New expander.
1162 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1164 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1165 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1166 for generating CONST_INT and CONST_DOUBLE.
1168 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1170 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1171 already sign-extended.
1172 (rs6000_emit_prologue): Make register iterator signed.
1173 (rs6000_emit_epilogue): Likewise.
1174 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1176 (movsf split, movdf split): Sign-extend CONST_INTs.
1177 (movdi splits): Likewise.
1179 2001-04-12 Kelley Cook <kelley.cook@home.com>
1181 * config-lang.in (lang_dirs): Add in zlib.
1183 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1185 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1186 operands that make it to RTL.
1188 2001-04-11 Stan Shebs <shebs@apple.com>
1190 Add Darwin (Mac OS X kernel) native support.
1191 * config.gcc (powerpc-*-darwin*): Add native bits.
1192 * config/darwin.c: New file, generic Darwin support functions.
1193 * config/darwin.h: New file, generic Darwin definitions.
1194 * config/darwin-protos.h: New file, generic Darwin prototypes.
1195 * rs6000/darwin.h: New file, Darwin for PowerPC.
1196 * rs6000/t-darwin: New file, Darwin makefile fragment.
1197 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1198 (TARGET_MACHO): Ditto.
1199 (rs6000_abi): Add ABI_DARWIN.
1200 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1201 (RS6000_SAVE_AREA): Ditto.
1202 (FP_ARG_MAX_REG): Ditto.
1203 (RETURN_ADDRESS_OFFSET): Ditto.
1204 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1206 (rs6000_emit_move): Add ABI_DARWIN cases.
1207 (print_operand): Ditto.
1208 (first_reg_to_save): Ditto.
1209 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1210 (debug_stack_info): Ditto.
1211 (rs6000_emit_prologue): Ditto.
1212 (rs6000_emit_epilogue): Ditto.
1213 (output_profiler_hook): Ditto.
1214 (output_function_profiler): Ditto.
1215 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1216 (output_mi_thunk): Add TARGET_MACHO case.
1217 (add_compiler_stub): Ditto.
1218 (output_compiler_stub): Ditto.
1219 (no_previous_def): Ditto.
1220 (output_call): Ditto.
1221 (machopic_output_stub): Ditto.
1222 (rs6000_machopic_legitimize_pic_address): Ditto.
1223 (toc_section): Ditto.
1224 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1225 (macho_high): Ditto.
1228 (load_macho_picbase): Ditto.
1229 (call): Add TARGET_MACHO case to modify function.
1230 (call_value): Ditto.
1231 (call_nonlocal_sysv): Add ABI_DARWIN case.
1232 (call_value_nonlocal_sysv): Ditto.
1233 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1235 (machopic_output_stub): Ditto.
1236 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1238 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1240 * dwarf2out.c (modified_type_die): Don't create new types here.
1241 * tree.h (get_qualified_type): New function.
1242 (build_qualified_type): Adjust comment.
1243 * tree.c (get_qualified_type): New function.
1244 (build_qualified_type): Use it.
1246 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1248 * cpp.texi (-Wtraditional): Update description.
1250 * invoke.texi (-Wtraditional): Likewise.
1252 2001-04-11 Jim Wilson <wilson@redhat.com>
1254 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1255 requires more than 64 bits of alignment.
1257 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1259 * cpplib.c (do_line): Sanity check iff enable checking.
1261 2001-04-11 Richard Henderson <rth@redhat.com>
1263 * Makefile.in (insn-recog.o): Depend on toplev.h.
1264 (insn-emit.o, doloop.o): Likewise.
1265 * genrecog.c, genemit.c: Include toplev.h in generated file.
1266 * doloop.c: Include toplev.h.
1268 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1270 * Makefile.in (gcse.o): Depend on params.h.
1271 * gcse.c: Include params.h.
1272 (gcse_main): Don't do GCSE if doing so will take inordinate
1274 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1275 * params.h (MAX_GCSE_MEMORY): New macro.
1277 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1279 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1281 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1283 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1285 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1287 * real.h (ereal_atof, real_value_truncate, target_isnan,
1288 target_isinf, target_negative, assemble_real, debug_real): Delete
1289 redundant prototypes.
1291 * Makefile.in (ifcvt.o): Depend on toplev.h.
1293 * c-semantics.c: Include expr.h.
1295 * ifcvt.c: Include toplev.h.
1297 * expr.h (rtx_equal_p): Delete prototype.
1299 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1300 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1301 eliminate_constant_term, expand_complex_abs, find_single_use,
1302 make_tree, init_expr_once, init_optabs, supports_one_only):
1305 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1306 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1307 expand_assignment, store_expr, emit_line_note_after,
1308 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1310 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1312 * sparc-protos.h: Delete redundant prototypes.
1314 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1316 * reload.c (push_reload): Add condition missed in SUBREG byte
1319 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1321 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1323 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1325 * i386.md (floatsisf_sse): Fix output template
1326 * i386.c (ix86_expand_fp_movcc)
1328 * reg-stack.c (emit_pop_insn): Handle complex modes.
1329 (move_for_stack_reg): Emit proper move mode.
1330 (subst_stack_regs_pat): Handle complex modes.
1332 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1334 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1336 2001-04-10 Richard Henderson <rth@redhat.com>
1338 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1339 (__pure_virtual, __terminate, __terminate_set_func,
1340 __default_terminate, __throw_type_match, __empty,
1341 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1342 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1343 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1344 Remove prototypes of deleted functions.
1346 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1348 * c-typeck.c (convert_arguments): -Wtraditional now activates
1349 -Wconversion warnings, except for changes in signed-ness.
1350 Detect complex<->int & int<->complex conversions as well.
1352 * invoke.texi (-Wtraditional): Document it.
1354 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1356 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1357 * flow.c (set_block_for_new_insns): Remove needless cast and
1358 properly check for unset block number.
1360 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1362 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1363 the subreg was a hard register. Pseudos are left as subregs.
1365 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1367 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1368 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1369 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1370 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1371 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1373 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1375 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1377 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1379 * output.h (set_block_num): Missed it earlier, remove deprecated
1382 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1384 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1385 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1386 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1387 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1388 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1389 (expr_killed_p): Change bb parameter from int to basic_block, pass
1390 basic_blocks instead of ints as parameters.
1391 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1392 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1393 from int to basic_block, pass basic_blocks instead of ints as parms.
1394 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1395 parameter from int to basic_block, pass basic_blocks instead of ints.
1396 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1397 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1398 pass basic_blocks instead of ints.
1399 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1400 basic_blocks instead of ints as parameters.
1401 (pre_delete): Pass basic_blocks instead of ints as parameters.
1402 (hoist_expr_reaches_here_p): Change bb parameter from int to
1403 basic_block, pass basic_blocks instead of ints.
1404 (hoist_code): Pass basic_blocks instead of ints as parameters.
1405 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1406 Change bb parameter from int to basic_block.
1407 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1408 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1409 pass basic_blocks instead of ints.
1410 (insert_store): Pass basic_blocks instead of ints as parameters.
1411 (replace_store_insn, delete_store): Change bb parameter from int to
1412 basic_block, pass basic_blocks instead of ints.
1413 (store_motion): Pass basic_blocks instead of ints as parameters.
1415 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1417 * basic-block.h (set_new_block_for_insns): New Prototype.
1418 (set_block_num): Delete prototype.
1419 * flow.c (set_block_num): Remove obsolete function.
1420 (set_block_for_new_insns): Set BB for single or multiple insns.
1421 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1422 (process_insn_end_bb): Use set_block_for_new_insns or
1423 set_block_for_insn instead of set_block_num.
1424 (pre_insert_copy_insn): Use set_block_for_new_insns.
1425 (update_ld_motion_stores): Use set_block_for_new_insns.
1426 (insert_insn_start_bb): Use set_block_for_new_insns.
1427 (replace_store_insn): Use set_block_for_new_insns.
1429 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1430 Jeff Law <law@redhat.com>
1432 * alias.c (get_addr): Externalize.
1433 (canon_true_dependence): New function. Behaves like true_dependance
1434 except it already assumes a MEM has been canonicalized.
1435 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1436 * gcse.c (struct ls_expr): Add load/store expressions structure.
1437 (modify_mem_list, canon_modify_mem_list): New variable.
1438 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1439 load motion and store motion if requested.
1440 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1441 (free_gcse_mem): Free the modify_mem_list array.
1442 (oprs_unchanged_p): Use load_killed_in_block_p.
1443 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1444 (mems_conflict_for_gcse_p): New function. Don't kill loads
1445 with stores to themselves if its in the load/store expression list.
1446 (load_killed_in_block_p): New function.
1447 (canon_list_insert): New Function.
1448 (record_last_mem_set_info): Keep a list of all instructions which
1449 can modify memory for each basic block.
1450 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1451 (oprs_not_set_p): Use load_killed_in_block_p.
1452 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1453 (expr_killed_p): Use load_killed_in_block_p.
1454 (compute_transp): Do not pessimize memory references.
1455 (pre_edge_insert): Update stores for a load motion expression.
1456 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1457 (ldst_entry): Find or create a ldst_expr structure.
1458 (free_ldst_entry): Free memory for an individual item.
1459 (free_ldst_mems): Free entire load/store expression list.
1460 (print_ldst_list): Print debug info.
1461 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1462 (enumerate_ldsts): Assign integer values to each entry in list.
1463 (first_ls_expr): First expression in the list.
1464 (next_ls_expr): Next expression in the list.
1465 (simple_mem): Check if expression qualifies for ld/st expression list.
1466 (invalidate_any_buried_refs): Remove from expression list if its
1467 used in some other way we dont understand.
1468 (compute_ld_motion_mems): Find all potential enhanced load motion
1470 (trim_ld_motion_mems): Remove any expressions which are invalid.
1471 (update_ld_motion_stores): Copy store values to registers for loads
1472 which have been moved.
1473 (regvec, st_antloc, num_store): New global statics.
1474 (reg_set_info): Marks registers as set.
1475 (store_ops_ok): Verfies registers expressions are valid in a block.
1476 (find_moveable_store): Look for moveable stores in a pattern.
1477 (compute_store_table): Find stores in a function worth moving, maybe.
1478 (load_kills_store): Check dependance of a load and store.
1479 (find_loads): Find any loads in a pattern.
1480 (store_killed_in_insn): Check if a store is killed in an insn.
1481 (store_killed_after): Check is store killed after an insn in a block.
1482 (store_killed_before): Check is store killed before an insn in a block.
1483 (build_store_vectors): Generate the antic and avail vectors.
1484 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1485 (insert_store): Add a store to an edge.
1486 (replace_store_insn): Replace a store with a SET insn.
1487 (delete_store): Delete a store insn.
1488 (free_store_memory): Free memory.
1489 (store_motion): Perform store motion.
1490 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1491 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1492 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1493 (f_options): Add gcse-lm and gcse-sm.
1495 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1497 * i386.c (expand_fp_movcc): Fix condition reversal code.
1499 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1500 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1501 (CLASS_MAX_NREGS): Use it.
1503 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1504 handle properly complex values.
1505 (CLASS_MAX_NREGS): Likewise; update comment.
1507 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1509 * ia64.c (ia64_flag_schedule_insns2): New variable.
1510 (ia64_override_options): Initialize it. Clear
1511 flag_schedule_insns_after_reload.
1512 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1514 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1516 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1517 Do not require source to match destination anymore;
1518 Add abort to the nontrivial cases that should be handled by split.
1519 (fix_trunc?fdi): Add SSE case for x86_64.
1520 (floatdi?f): Likewise.
1521 (floatdi?f_sse): New.
1522 (fix_trunc?fdi_sse): New.
1524 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1526 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1527 (DEBUG_ARANGES_END_LABEL): Ditto.
1528 (dwarfout_init): Generate length and version fields at the start
1529 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1530 after the length field.
1531 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1532 the .debug_aranges info.
1534 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1536 * i386.c (call, call_value): Make sure that resulting call_insn
1537 does have proper second operand.
1539 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1541 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1542 function. Remove include of sys/cygwin.h.
1544 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1546 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1547 (CPP_SPEC): Always search */include/w32api for header files.
1548 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1549 (LINK_SPEC): Add "cyg" to the library search prefixes.
1551 2001-04-08 Philip Blundell <philb@gnu.org>
1553 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1555 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1557 * cpperror.c (print_location): Don't special case <stdin>.
1558 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1559 WARNING, but we don't check if we're in system headers.
1560 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1561 * cpplib.c (do_warning): Warn in system headers.
1563 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1565 * mbchar.c: Include config.h first.
1567 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1569 * config.gcc: Set default for xmake_file at top, not bottom.
1570 Change places that set xmake_file to "none" to set to the
1571 empty string instead, or remove them entirely if there is no
1572 default xmake_file for this cpu_type. Remove references to
1575 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1576 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1577 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1578 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1579 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1580 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1581 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1582 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1583 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1584 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1587 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1588 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1589 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1590 config/mips/x-sysv, config/rs6000/x-aix31:
1591 Just set CLIB to -lld or -lmld, as appropriate.
1593 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1594 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1595 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1596 config/mips/x-iris, config/pa/x-pa:
1597 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1598 OTHER_FIXINCLUDES_DIRS.
1600 * config/i386/x-djgpp: Don't set LN or LN_S.
1601 * config/m88k/x-dolph: Don't define __m88k__.
1602 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1603 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1604 * config/i860/fx2800.h: No need to #undef SVR4.
1606 38 x-host fragments remain, 2 x-cpu.
1608 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1610 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1612 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1614 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1616 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1618 * configure.in: Add check for lstat.
1619 * configure, config.in: Regenerate.
1620 * cppinit.c (append_include_chain): Make empty path ".".
1621 * cpplib.c (do_line): Don't simplify #line paths.
1622 * cppfiles.c (remove_component_p): New function.
1623 (find_or_create_entry): Acknowledge stat () errors during
1624 path simplification.
1625 (handle_missing_header): Don't simplify paths.
1626 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1627 the empty path untouched. Don't leave a trailing '/'.
1629 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1631 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1632 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1634 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1636 * cppfiles.c (open_file): Fail directories silently, but
1637 with an errno of NOENT set.
1638 (read_include_file): Move the common exit code to the sole
1639 caller. Return an int indicating success or failure. Let
1640 open_file handle directories.
1641 (stack_include_file): If read_include_file fails,
1642 push a "null" buffer.
1644 2001-04-05 DJ Delorie <dj@redhat.com>
1646 * function.h (virtuals_instantiated): Declare.
1647 * function.c: (virtuals_instantiated): Make global.
1648 * calls.c (emit_library_call_value_1): Use
1649 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1650 Otherwise, use the stack pointer directly.
1652 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1654 * i386.c (x86_initialize_trampoline): New global function.
1655 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1656 (INITIALIZE_TRAMPOLINE): Move offline.
1657 * i386-protos.h (x86_initialize_trampoline): Declare.
1659 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1661 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1662 (lea_0): Rename to lea_1.
1663 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1664 (lea_general_?): Allow SImodes on TARGET_64BIT
1665 (lea_general_?_zext): New patterns.
1666 (call_1, call_1_rex64): Fix.
1668 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1670 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1672 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1674 * i386.c (function_arg): Return constm1_rtx for last argument.
1675 (ix86_expand_prologue): Update gen_call calls.
1676 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1677 * i386.md (call_pop): Likewise.
1678 (call): Second operand is VOIDmode.
1679 (call_0): Likewise; Support 64bits.
1680 (call_exp): New expander.
1681 (call_1): Get to the sync.
1682 (call_1_exp): New pattern.
1683 (call_value): Support 64bit.
1684 (call_value_exp): New pattern.
1685 (untyped_call): Update gen_call call.
1686 (call_value_pop): Disable for 64bit.
1687 (call_value_0_rex64): New pattern.
1688 (call_value_1_rex64): Likewise.
1690 2001-04-05 Bo Thorsen <bo@suse.de>
1692 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1694 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1696 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1697 satisfies ANY_QI_REG_P.
1699 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1701 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1704 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1707 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1709 * config.gcc: Remove default for xm_file. Clean up local
1710 machine type handling. Remove settings of xm_file to
1711 something that doesn't exist. In the big switch, set xm_file,
1712 don't append to it (the value before the big switch is always
1713 null). Don't force build_xm_file or host_xm_file to have a value.
1714 * configure.in: Remove default for xm_file. Do not special
1715 case $cpu/xm-$cpu.h not existing.
1716 * configure: Regenerate.
1718 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1720 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1721 when folding integer division and modulo operations.
1723 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1725 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1726 instead of DWARF2_ADDR_SIZE for EH addresses.
1727 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1730 2001-04-04 Richard Henderson <rth@redhat.com>
1732 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1733 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1734 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1736 2001-04-04 Richard Henderson <rth@redhat.com>
1738 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1739 * configure: Rebuilt.
1741 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1743 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1744 push insns to delete to it instead of deleting them.
1745 (delete_null_pointer_checks): Delete insns from delete_list after
1746 all delete_null_pointer_checks_1 passes are done.
1748 2001-04-04 Richard Henderson <rth@redhat.com>
1750 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1751 * configure: Rebuilt.
1753 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1755 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1756 * config/romp/xm-romp.h: Delete.
1758 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1760 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1763 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1765 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1766 all labels present in rtx.
1767 (try_split) Call new function for all split insns.
1769 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1771 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1772 sure the change won't be validated.
1774 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1776 * rtl.h (set_noop_p): Declare.
1777 * flow.c (set_noop_p): Move from here ...
1778 * rtlanal.c (set_noop_p): ... to here and enhance.
1779 * cse.c (delete_trivially_dead_insns): Use it.
1780 * gcse.c (hash_scan_set): Likewise.
1781 * jump.c (delete_noop_moves): Likewise.
1782 * recog.c (split_all_insns): Likewise.
1784 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1786 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1787 stack pointer via a LO_SUM. Ditto for setting a temp register
1788 used to save to the stack. Set cfa_temp when setting fp, and
1789 allow matches to cfa_temp in addition to cfa_store when saving
1790 regs. Handle POST_INC and LO_SUM register stores. Document the
1791 changes and errors in rule 12 doco.
1793 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1794 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1795 (load_reg): Move closer to epilogue code.
1796 (DO_FRAME_NOTES): Define to control the following..
1797 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1798 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1800 (hppa_expand_epilogue): Likewise.
1802 2001-04-03 Richard Henderson <rth@redhat.com>
1804 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1805 * configure: Rebuild.
1807 2001-04-03 Richard Henderson <rth@redhat.com>
1809 * rtl.h (LCT_THROW): New.
1810 * calls.c (emit_library_call_value_1): Handle it.
1811 * except.c (connect_post_landing_pads): Use it.
1813 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1815 * gansidecl.h: Delete file.
1816 * configure.in: Change all refs to gansidecl.h to use
1817 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1819 * configure: Regenerate.
1821 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1822 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1823 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1824 Don't include gansidecl.h.
1825 * intl.c, main.c, version.c, fixinc/fixlib.h,
1826 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1829 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1831 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1834 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1836 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1837 config/i386/xm-next.h, config/i386/xm-sco.h,
1838 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1839 config/m88k/xm-m88k.h: Delete.
1841 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1842 * config/romp/xm-romp.h: Don't define bcopy.
1843 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1844 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1846 * config.gcc: Remove references to deleted files.
1848 14 xm-host.h remain, 1 xm-cpu.h.
1850 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1851 David S. Miller <davem@pierdol.cobaltmicro.com>
1852 Andrew MacLeod <amacleod@redhat.com>
1854 Use byte offsets in SUBREGs instead of words.
1856 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1857 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1858 to pass new argument.
1859 (add_stored_regs): Use subreg_regno_offset function.
1860 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1862 (precompute_arguments): Use gen_lowpart_SUBREG.
1863 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1864 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1865 (simplify_set): Rework to use SUBREG_BYTE.
1866 (expand_field_assignment): Use SUBREG_BYTE.
1867 (make_extraction): Use SUBREG_BYTE.
1868 (if_then_else_cond): Use SUBREG_BYTE.
1869 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1870 (gen_lowpart_for_combine): Compute full byte offset.
1871 * cse.c (mention_regs): Use SUBREG_BYTE.
1872 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1873 (canon_hash): Use SUBREG_BYTE.
1874 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1875 (gen_lowpart_if_possible): Formatting.
1876 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1878 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1879 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1880 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1881 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1882 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1883 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1884 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1885 certain invariants about SUBREGs the compiler creates.
1886 (gen_lowpart_SUBREG): New function.
1887 (subreg_hard_regno): New function to get the final register number.
1888 (gen_lowpart_common): Use SUBREG_BYTE.
1889 (gen_imagpart): Spacing nits.
1890 (subreg_realpart_p): Use SUBREG_BYTE.
1891 (gen_highpart): Use SUBREG_BYTE.
1892 (subreg_lowpart_p): Always compute endian corrected goal offset,
1893 even at the byte level, then compare against that.
1894 (constant_subword): New function, pulled out all constant cases
1895 from operand_subword and changed second argument name to offset.
1896 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1897 and call constant_subword to do the work. Return const0_rtx if
1898 looking for a word outside of OP.
1899 (operand_subword_force): Change second arg name to offset.
1900 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1901 (store_split_bit_field): Use SUBREG_BYTE.
1902 (extract_bit_field): Use SUBREG_BYTE.
1903 (extract_split_bit_field): Use SUBREG_BYTE.
1904 (expand_shift): Use SUBREG_BYTE.
1905 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1906 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1907 * flow.c (set_noop_p): Use SUBREG_BYTE.
1908 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1909 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1910 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1912 (optimize_bit_field): Use SUBREG_BYTE.
1913 (purge_addressof_1): Use SUBREG_BYTE.
1914 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1915 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1916 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1917 * gengenrtl.c (special_rtx): Add SUBREG.
1918 * global.c (mark_reg_store): Use SUBREG_BYTE.
1919 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1920 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1921 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1922 final byte offset is congruent to subreg's mode size.
1923 (subst_constants): Use SUBREG_BYTE.
1924 (mark_stores): Use subreg_regno_offset function.
1925 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1926 function and SUBREG_BYTE.
1927 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1928 (reg_is_born): Use subreg_hard_regno.
1929 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1930 endian correction code. Don't combine subregs unless resulting
1931 offset aligns with type. Fix subreg constant extraction for DImode.
1932 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1933 (general_operand): Remove dead mode_altering_drug code.
1934 (indirect_operand): Use SUBREG_BYTE.
1935 (constrain_operands): Use subreg_regno_offset function.
1936 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1937 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1938 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1939 * regs.h (REG_SIZE): Allow target to override.
1940 (REGMODE_NATURAL_SIZE): New macro which target can override.
1941 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1942 on the entire subreg rtx.
1943 (push_reload): Use SUBREG_BYTE in comments and code.
1944 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1945 for hard registers inside subregs.
1946 (operands_match_p): Use subreg_regno_offset.
1947 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1948 containing hard regs.
1949 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1950 corrections when fixing up MEM subregs.
1951 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1952 subreg_regno_offset where appropriate.
1953 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1954 byte endian corrections when fixing up MEM subregs.
1955 (subst_reloads): When combining two subregs, make sure final
1956 offset is congruent to subreg's mode size.
1957 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1958 (refers_to_regno_for_reload_p): Use subreg_regno.
1959 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1960 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1961 correction code for memory subreg fixups.
1962 (forget_old_reload_1): Use subreg_regno_offset.
1963 (choose_reload_regs): Use subreg_regno.
1964 (emit_input_reload_insns): Use SUBREG_BYTE.
1965 (reload_combine_note_store): Use subreg_regno_offset.
1966 (move2add_note_store): Use subreg_regno_offset.
1967 * resource.c (update_live_status, mark_referenced_resources): Use
1968 subreg_regno function.
1969 (mark_set_resources): Use subreg_regno function.
1970 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1971 (subreg_regno_offset, subreg_regno): Define prototypes.
1972 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1973 (gen_lowpart_SUBREG): Add prototype.
1974 * rtl.texi (subreg): Update to reflect new byte offset representation.
1975 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1976 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1977 (reg_overlap_mentioned_p): Use subreg_regno.
1978 (replace_regs); Make sure final offset of combined subreg is
1979 congruent to size of subreg's mode.
1980 (subreg_regno_offset): New function.
1981 (subreg_regno): New function.
1982 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1983 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1984 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1985 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1986 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1987 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1988 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1989 (print_operand): Use SUBREG_BYTE.
1990 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1991 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1992 (arm_reload_out_hi): Use SUBREG_BYTE.
1993 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1994 instead of SUBREG_WORD.
1995 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1996 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1997 SUBREG creation to use byte offset.
1998 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1999 inverted load insns): Fix explicit rtl subregs to use byte
2001 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2002 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2003 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2004 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2005 to use byte offsets.
2006 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2007 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2008 offsets, also make sure it is congruent to SUBREG's mode size.
2009 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2010 unnamed ldob insn): Generate SUBREGs with byte offset.
2011 (zero_extendqihi2): SUBREG's are byte offsets.
2012 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2013 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2014 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2015 zero-extendqisi2): Generate SUBREGs with byte offset.
2016 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2017 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2018 subregs in rtl to use byte offsets.
2019 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2020 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2021 (mips_move_2words): Use subreg_regno_offset.
2022 (mips_secondary_reload_class): Use subreg_regno_offset.
2023 * config/mips/mips.md (DImode plus, minus, move, and logical op
2024 splits): Fixup explicit subregs in rtl to use byte offsets.
2025 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2026 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2027 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2028 rtl to use byte offsets.
2029 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2030 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2031 subregs to use byte offsets.
2032 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2033 Fixup explicit subregs in rtl to use byte offsets.
2034 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2035 and remove byte endian correction code.
2036 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2037 (gen_ashift_hi): Use SUBREG_BYTE.
2038 (regs_used): Use subreg_regno_offset.
2039 (machine_dependent_reorg): Use subreg_regno_offset.
2040 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2041 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2042 (movdf_i4): Subregs are byte offsets now.
2043 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2044 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2045 (REGMODE_NATURAL_SIZE): Override.
2046 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2047 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2049 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2050 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2051 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2052 it is congruent to SUBREG's mode size.
2053 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2055 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2056 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2057 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2058 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2059 * config/v850/v850.c (print_operand, output_move_double): Use
2060 subreg_regno function.
2062 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2064 * configure.in (target_subdir): Use target_alias, not target.
2065 * configure: Rebuilt.
2067 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2069 * config/sh/crti.asm: Fix typos in comments.
2071 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2073 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2074 TARGET_FAST_INDIRECT_CALLS.
2075 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2077 (return_addr_rtx): Short circuit export stub matching when
2078 TARGET_NO_SPACE_REGS.
2079 (output_millicode_call): For out of range calls, make -fPIC
2080 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2081 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2082 * pa.md: Modify length attr calculation of all millicode insns to
2085 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2087 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2088 Require at least 2.11 in the version test. Specifically check
2089 for and reject GAS version 2.10.90.
2090 * configure: regenerate.
2092 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2094 * pa.c (override_options): Remove PIC profiling warning.
2095 (hp_profile_labelno): Delete.
2096 (hp_profile_label_rtx): Delete.
2097 (hp_profile_label_name): Delete.
2098 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2099 (output_function_prologue): Remove profiling code and all tests on
2100 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2101 merge_sp_adjust_with_store can work for PIC and profiling.
2102 (hppa_expand_epilogue): Remove profile_flag test.
2103 (hppa_can_use_return_insn_p): Likewise.
2104 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2105 cater for PROFILE_HOOK.
2106 (hppa_profile_hook): New function.
2107 * pa.h (FUNCTION_PROFILER): Now does nothing.
2108 (PROFILE_HOOK): Define.
2109 (hppa_profile_hook): Declare.
2110 (PROFILE_BEFORE_PROLOGUE): Delete.
2111 (ASM_OUTPUT_REG_PUSH): Delete.
2112 (ASM_OUTPUT_REG_POP): Delete.
2113 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2114 r24. Accept function name operand, and use this and a locally
2115 generated label to calculate pc-rel offset to func start.
2117 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2119 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2120 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2123 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2125 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2126 LO_SUM cases to where they belong.
2128 2001-04-02 Richard Henderson <rth@redhat.com>
2130 * except.h (lang_eh_type_covers): Mark extern.
2131 (lang_eh_runtime_type): Likewise.
2133 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2135 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2136 gengenrtl.c: Wrap generated header in multiple-include guard.
2137 Improve error checking.
2139 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2141 * configure.in: Don't check for putenv.
2142 * configure: Regenerate.
2143 * gcc.c (putenv): Don't define.
2144 * vax/xm-vms.h: Handle putenv.
2146 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2148 * ifcvt.c (noce_emit_move_insn): New.
2149 (noce_try_store_flag, noce_try_store_flag_constants,
2150 noce_try_store_flag_inc, noce_try_store_flag_mask,
2151 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2152 noce_try_abs): Use it.
2153 (noce_process_if_block): Likewise.
2154 For STRICT_LOW_PART, take mode from its SUBREG.
2156 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2158 * fold-const.c (fold): Before optimizing unsigned comparison with
2159 0x7fffffffU, make sure arg0 is integral type.
2161 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2163 * c-tree.texi: Document representation of wide strings.
2165 2001-04-01 Richard Henderson <rth@redhat.com>
2167 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2169 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2171 * i386.md: remove obsoleted comments.
2172 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2173 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2174 fix output template.
2176 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2178 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2180 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2182 * loop.c (load_mems): When generating a load from a pseudo, update
2185 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2187 * i386.c (ix86_split_long_move): Use change address to compensate
2188 stack pointer change in push instruction.
2190 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2192 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2193 instead of rtx_equal_p; fix the output template.
2195 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2197 * i386.c (ix86_expand_setcc): Support 64bit.
2198 (ix86_expand_int_movcc): Likewise.
2199 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2202 * i386.md (allocate_stack_worker): Turn to expander.
2203 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2205 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2207 2001-03-29 Richard Henderson <rth@redhat.com>
2209 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2211 2001-03-28 Matthew Hiller <hiller@redhat.com>
2213 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2216 * MAINTAINERS: Added self.
2218 2001-03-28 Richard Henderson <rth@redhat.com>
2220 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2221 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2223 2001-03-28 Jim Wilson <wilson@redhat.com>
2225 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2228 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2230 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2232 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2235 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2237 2001-03-28 DJ Delorie <dj@redhat.com>
2239 * Makefile.in (stage1_build): Revert CFLAGS patch.
2241 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2243 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2244 when multiplier or multiplicand is zero.
2246 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2248 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2250 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2252 (set_src_needs_barrier): Likewise.
2253 (rtx_needs_barrier): For SET case, use these two functions. Rework
2254 PARALLEL case to handle all inputs before all outputs.
2255 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2256 saw a label and no stop bit since then.
2257 (maybe_rotate, process_epilogue): Add prototypes.
2259 2001-03-28 Richard Henderson <rth@redhat.com>
2261 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2262 not TARGET_TOC for special toc restore handling.
2263 * config/rs6000/rs6000.md (eh_return): Likewise.
2265 2001-03-28 Richard Henderson <rth@redhat.com>
2267 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2268 current_function_calls_eh_return.
2269 (output_function_epilogue): Handle eh_return.
2270 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2271 (EH_RETURN_DATA_REGNO): New.
2272 (EH_RETURN_STACKADJ_RTX): New.
2273 (EH_RETURN_HANDLER_RTX): New.
2274 * config/sparc/sparc.md (call/short branch peepholes): Check
2275 can_throw_internal instead of in_same_eh_region.
2277 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2278 for eh_return data registers.
2279 (rs6000_emit_prologue): Save eh_return data registers.
2280 (rs6000_emit_epilogue): Force inline restores if eh_return.
2281 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2282 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2283 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2284 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2285 the target uses one.
2286 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2287 (return_eh_si, return_eh_di): Remove.
2288 (eh_return): New, from corpse of eh_epilogue.
2289 (eh_set_lr_si, eh_set_lr_di): New.
2291 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2292 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2293 True for pic register if current_function_calls_eh_return.
2294 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2295 Handle eh_return requirements.
2296 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2297 (EH_RETURN_STACKADJ_RTX): New.
2298 * config/i386/i386.md (exception_receiver): Remove.
2299 (eh_return, eh_return_1): New.
2300 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2302 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2303 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2304 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2305 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2306 (EH_RETURN_DATA_REGNO): New.
2307 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2308 * config/alpha/alpha.md (eh_epilogue): Remove.
2309 (exception_receiver): Use $26 for ldgp input.
2310 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2312 2001-03-28 Richard Henderson <rth@redhat.com>
2314 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2315 * except.h: Likewise.
2317 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2318 (LIB2ADDEHDEP): New.
2319 (LIB2FUNCS_EH): Remove.
2320 (LIB2ADD): Remove LIB2ADDEH.
2321 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2322 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2323 (crt{begin,end}[S].o): Likewise.
2324 (except.o): Update includes.
2325 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2326 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2328 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2329 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2330 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2331 * builtins.c (expand_builtin): Implement it.
2332 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2333 * c-common.c (c_common_nodes_and_builtins): Declare it.
2334 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2335 * calls.c (libfunc_nothrow): Remove.
2336 (emit_library_call_value_1): Don't call it.
2337 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2338 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2339 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2340 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2341 (current_funcdef_number): Globalize.
2342 (output_call_frame_info): Emit frame data if an lsda is needed.
2343 Generate augmentation for personality routine. Don't play with
2345 (dwarf2out_begin_prologue): Record funcdef_number.
2346 * dwarf2out.h (current_funcdef_number): Declare.
2347 * expr.c (expand_expr): Update for except.h name changes.
2348 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2349 * expr.h (LTI_throw, LTI_rethrow): Remove.
2350 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2351 (LTI_eh_rtime_match): Remove.
2352 (LTI_unwind_resume, LTI_eh_personality): Add.
2353 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2354 * final.c (final): Don't call check_exception_handler_labels,
2355 init_insn_eh_region, or free_insn_eh_region.
2356 (final_scan_insn): Always emit debug labels for
2357 NOTE_INSN_EH_REGION notes.
2358 * flags.h (flag_new_exceptions): Remove.
2359 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2360 (record_active_eh_regions): Remove.
2361 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2362 Use can_throw_internal.
2363 (find_basic_blocks_1): Likewise.
2364 (move_stray_eh_region_notes): Remove.
2365 (find_label_refs): No eh_return_stub_label.
2366 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2367 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2369 (delete_unreachable_blocks): Don't track deleted handlers.
2370 (flow_delete_block): Use maybe_remove_eh_handler.
2371 (delete_eh_regions): Remove.
2372 (merge_blocks): Don't check for eh region match.
2373 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2374 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2375 (init_propagate_block_info): Disable dead frame store optimization
2376 when current_function_calls_eh_return.
2377 (dump_bb): Don't print eh_beg, eh_end.
2378 * function.c (fixup_var_refs): No catch_clauses.
2379 (expand_function_end): Likewise. Call expand_eh_return before
2380 the return register use. Call sjlj_emit_function_exit_after.
2381 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2382 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2383 * ifcvt.c (dead_or_predicable): Remove eh region check.
2384 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2385 Don't check for EH vs parameters.
2386 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2387 (expand_inline_function): Call duplicate_eh_regions.
2388 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2389 (copy_insn_notes): Remap REG_EH_REGION notes.
2390 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2391 * integrate.h (struct inline_remap): Add local_return_label.
2392 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2393 check_exception_handler_labels, nor exception_optimize.
2394 (find_cross_jump): No EH region check.
2395 * optabs.c (init_optabs): Update for changed eh libfuncs.
2396 * rtl.def (RESX): New.
2397 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2398 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2399 checks. Update for except.h name changes.
2400 (expand_cleanups): Likewise.
2401 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2402 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2403 (compile_file): Call init_eh before init_optabs. Don't
2404 output_exception_table here.
2405 (rest_of_compilation): Call convert_from_eh_region_ranges,
2406 convert_to_eh_region_ranges, output_function_exception_table.
2407 Don't emit_eh_context.
2408 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2409 (EXC_PTR_EXPR): New.
2411 * md.texi (eh_epilogue): Remove.
2412 (eh_return): Document.
2413 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2414 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2416 * eh-common.h: Remove file.
2417 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2418 * libgcc2.c (L_eh): Remove.
2420 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2421 * unwind-dw2-fde.h: New file.
2422 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2423 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2424 * libgcc-std.ver: Update for eh symbols.
2426 2001-03-27 Richard Henderson <rth@redhat.com>
2428 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2429 reduce false positives.
2430 (regmove_optimize): Disable if flag_non_call_exceptions.
2432 * stmt.c (expand_return): Remove always true predicate.
2433 (expand_decl_cleanup_no_eh): Remove dead code.
2435 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2436 barrier code. Add a scheduling barrier if a non-call insn
2437 can throw internally.
2439 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2440 Auto-inc addresses trap only if their base register does.
2442 * except.c (can_throw_internal): Rename from can_throw.
2443 * except.h, resource.c: Update references.
2445 * integrate.c (copy_insn_list): Use returnjump_p.
2446 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2448 * function.h (struct function): Move all boolean valued fields
2449 to single bit fields at the end of the struct.
2451 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2453 Rename asynchronous_exceptions to flag_non_call_exceptions.
2455 * gthr-single.h (UNUSED): New. Distinguish between how C
2456 and C++ mark unused function arguments. Use throughout.
2458 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2459 value to target configuration header.
2460 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2461 * config.in, configure: Rebuild.
2462 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2463 configuration and target defines.
2464 (exceptions_via_longjmp): Remove.
2465 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2466 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2468 * except.h (flag_non_call_exceptions): Move ...
2469 * flags.h: ... here.
2471 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2472 exceptions, put the note on the trapping instruction.
2474 * flags.h (flag_new_exceptions): Remove.
2475 * toplev.c: Don't set it.
2476 * final.c: Don't check it.
2477 * except.c: Provide stub definition.
2479 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2480 (calculate_global_regs_live): Kill call-clobbered registers
2481 across exception edges.
2482 * reg-stack.c (convert_regs_1): Kill the entire target stack
2483 across non-call exception edges.
2485 * flow.c (cleanup_cfg): Take no argument.
2486 * output.h, sibcall.c, toplev.c: Update all calls.
2488 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2490 * configure.in: Don't check for bcopy.
2491 * configure, config.in: Regenerate.
2493 * system.h: Don't define or prototype bcopy, instead poison it.
2495 2001-03-27 Richard Henderson <rth@redhat.com>
2497 * function.c (expand_function_start): Set DECL_REGISTER on
2498 a pseudo used for DECL_RESULT.
2500 * rtl.h (LCT_NORETURN): New.
2501 * calls.c (emit_library_call_value_1): Handle it.
2503 2001-03-27 Stan Shebs <shebs@apple.com>
2505 * objc/objc-act.c (objc_init): Use dump_base_name.
2506 (gen_declaration): Clear the buffer arg.
2507 (gen_declaration_1): New function, body of gen_declaration.
2508 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2509 (gen_method_decl): Ditto, plus always clear buffer arg.
2510 (error_with_ivar): Simplify.
2511 (warn_with_method): Ditto.
2512 (build_message_expr): Don't clear buffers.
2513 (dump_interface): Ditto.
2514 (objc_debug): Ditto.
2515 (build_keyword_selector): Clear the buffer by only zeroing
2517 (objc_implementation_context): Declare.
2518 (start_class): Warn about missing @end.
2519 (finish_objc): Ditto.
2521 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2523 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2525 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2527 * Makefile.in (SYSTEM_H): Define.
2528 Depend on $(SYSTEM_H), not system.h.
2530 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2532 2001-03-27 Jim Wilson <wilson@redhat.com>
2534 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2536 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2537 (process_epilogue): New static function.
2538 (process_set): Call process_epilogue instead of emitting .restore
2540 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2542 * flow.c (struct reg_cond_life_info): New fields orig_condition
2544 (init_propagate_block_info): Set new fields.
2545 (mark_regno_cond_dead): Set and use new fields.
2546 (flush_reg_cond_reg_1): Likewise.
2547 (and_reg_cond, case AND): Check for redundant AND conditions.
2548 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2551 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2553 * cppmacro.c (stringify_arg): Null terminate strings.
2555 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2557 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2558 inclusion style. xm-m68hc11.h no longer exists.
2559 * config/m68hc11/xm-m68hc11.h: Delete file.
2560 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2562 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2563 Don't define GCC_VERSION, N_, or PARAMS; don't include
2564 gansidecl.h or stdio.h. Define inhibit_libc here.
2565 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2566 Delete code conditioned on #if GCC_VERSION == 2095.
2568 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2569 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2570 Delete code conditioned on #if GCC_VERSION == 2095.
2572 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2574 * system.h: Include symcat.h.
2575 (STRINGIFY): Don't define.
2577 * configure.in: Adjust comment.
2579 * builtins.c: Use STRINGX, not STRINGIFY.
2580 * gencheck.c: Likewise.
2581 * gengenrtl.c: Likewise.
2582 * protoize.c: Likewise.
2584 * cpplex.c: Don't include symcat.h.
2585 * cpplib.c: Likewise.
2587 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2589 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2591 * c-typeck.c (digest_init): Fold init expression.
2593 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2595 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2597 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2599 * except.c (eh_regs): Save results of build_pointer_type to a temp
2600 as FUNCTION_VALUE macro may evaluate its args multiple times.
2602 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2604 * c-common.h (DECL_NUM_STMTS): New macro.
2605 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2607 (pushdecl): Likewise.
2608 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2609 * integrate.c (expand_inline_function): Don't check
2611 * print-tree.c (print_node): Don't print it.
2612 * toplev.c (rest_of_compilation): Don't try to inline when
2613 flag_no_inline is on.
2614 * tree.h (DECL_FRAME_SIZE): Remove.
2615 (tree_decl): Adjust accordingly.
2617 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2619 * combine.c (try_combine): Use memcpy, not bcopy.
2621 * genattrtab.c (expand_units): Likewise.
2623 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2625 * i386.md (push mem DI peep2): New.
2626 (mov 0, mov -1 peep2): Handle 64bit.
2627 (lea to arithmetics peep2): Handle 64bit leas.
2628 (rsp arithmetics to push/pop peep2s): New.
2630 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2632 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2634 * i386.c (struct machine_function): Add save_varrargs_registers.
2635 (ix86_save_varrargs_registers): New macro.
2636 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2637 (ix86_expand_prologue): Likewise.
2638 (ix86_emit_epilogue_esp_adjustement): Likewise.
2639 (ix86_expand_epilogue): Likewise.
2640 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2641 (pro_epilogue_adjust_stack_1): New insn.
2642 (pro_epilogue_adjust_stack_rex64): Likewise.
2643 * i386.h (MASK_NO_RED_ZONE): New constant.
2644 (TARGET_RED_ZONE): New macro.
2645 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2646 (RED_ZONE_SIZE): New constant.
2647 (RED_ZONE_RESERVE): New constant.
2649 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2651 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2653 2001-03-25 Kazu Hirata <kazu@hxi.com>
2655 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2658 (umodhi3): Likewise.
2661 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2663 * mkconfig.sh (DEFINES): Handle entries with '='.
2665 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2666 Set xm_defines to MACRO=value instead.
2668 * i370/xm-mvs.h: Delete.
2670 * ns32k/xm-pc532-min.h: Likewise.
2672 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2674 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2676 use ix86_expand_binary_operator
2677 (?sh??i_?): Disable for 64bit.
2678 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2679 * i386.c (shiftdi_operand): New predicate.
2681 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2682 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2683 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2684 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2685 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2686 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2687 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2688 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2689 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2690 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2691 (rotldi3, rotrdi3): New expanders.
2693 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2695 * i386.md (movstrsi): Move offline.
2697 (strmovdi_rex64): New.
2698 (strmov?i): Accept 64bit.
2699 (strmov?i_rex64): New.
2700 (strmov?i_rex_1): New.
2701 (strmov?i_1): Disable for 64bit.
2702 (rep_mov?i_rex64): New.
2703 (rep_mov?i): Disable for 64bit.
2704 (clrstrsi): Move offline.
2705 (strset?i_rex64): New.
2706 (strset?i: Accept 64bit.
2707 (rep_stos?i): Disable for 64bit.
2708 (rep_stos?i_rex64): New.
2709 (strset?i_rex_1): New.
2710 (strset?i_1): Disable for 64bit.
2711 (cmpstrsi): Accept 64bit.
2712 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2713 (cmpstrqi_nz_rex_1): New.
2714 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2715 (strlensi): Move offline.
2717 (strlenqi_1): Disable for 64bit; fix constraints.
2718 (strlenqi_rex_1): New.
2719 * i386.c (ix86_adjust_counter): New static function.
2720 (ix86_zero_extend_to_Pmode): Likewise.
2721 (ix86_expand_aligntest): Likweise.
2722 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2723 (ix86_expand_movstr): New global function.
2724 (ix86_expand_clrstr): New global function.
2725 (ix86_expand_strlen): New global function.
2726 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2727 ix86_expand_strlen): Declare.
2728 (ix86_expand_strlensi_unroll_1): Delete.
2730 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2732 * i386.md (cmpdi): Fix operand predicates.
2733 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2734 cmpdi_1_insn_rex64): New patterns.
2735 (adddi3): Turn to expander.
2736 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2737 (addsi3_carry_zext): New pattern.
2738 (adddi_?_rex64): New patterns and splitters.
2739 (addsi_?_zext): New patterns.
2740 (subsi3_carry_zext): New pattern.
2741 (subdi_?_rex64): New patterns and splitters.
2742 (iorsi_?_zext): New patterns.
2743 (iordi_?_rex64): New patterns and splitters.
2744 (iorsi_?_zext): New patterns.
2745 (iorsi_?_zext_imm): New patterns.
2746 (xorsi_?_zext): New patterns.
2747 (xordi_?_rex64): New patterns and splitters.
2748 (xorsi_?_zext): New patterns.
2749 (negdi*): New patterns.
2750 (one_cmpldi*): Likewise.
2751 (one_cmplsi*_zext, negsi*_zext): Likewise.
2752 (testqi_ext_3_rex64): New pattern.
2754 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2756 * i386-protos.h (ix86_split_long_move): Return void.
2757 * i386.c (ix86_split_to_parts): Handle 64bit target.
2758 (ix86_split_long_move): Likewise.
2759 * i386.md (all calls to ix86_split_long_move): Update.
2761 2001-03-23 Richard Henderson <rth@redhat.com>
2763 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2764 to avoid shadowing arguments.
2766 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2768 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2769 to variable names where DECL_NAME is different from
2770 DECL_ASSEMBLER_NAME.
2772 2001-03-23 Jim Wilson <wilson@redhat.com>
2774 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2775 (assemble_alias): Call make_decl_rtl.
2777 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2779 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2781 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2783 * extend.texi: Document the "java_interface" attribute.
2785 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2787 * mkconfig.sh: Use a subshell with redirected stdout,
2788 instead of closing stdout and confusing commands that run
2789 afterward. Throw away output of cmp.
2791 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2793 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2795 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2797 * i386.md (zero_extendsidi2_32): Break out from ...
2798 (zero_extendsidi2): ... here ; turn to expander.
2799 (zero_extendsidi2_rex64): New.
2800 (extendsidi2_32): Break out from ...
2801 (extendsidi2): ... here ; turn to expander.
2802 (extendsidi2_rex64): New.
2803 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2804 (trunc?f?f splitters): Add 64bit versions.
2806 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2808 * i386.md (pushsi, pushsi2_prologue): Disable.
2809 (pushsi2_rex64): New.
2810 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2811 (movqi_ext_1): Disable for 64bit.
2812 (movqi_ext_1_rex64): New.
2813 (pushdi2_rex64): New pattern, peep2s and splitter.
2814 (pushdi2_prologue_rex64): New pattern.
2815 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2817 (movdi splitters): Disable for 64bit.
2818 (movdi_1_rex64): New pattern, peep2s and splitters.
2819 (swapdi): New pattern.
2820 (pushsf): Disable for 64bit.
2821 (pushsf_rex64): New pattern and splitter.
2822 (pushdf_nointeger): Disable for 64bit.
2823 (pushdf_integer): Handle the 64bit case.
2824 (pushtf): Likewise; update splitters.
2826 2001-03-22 Richard Henderson <rth@redhat.com>
2828 * mkconfig.sh: Include insn-flags.h.
2829 * Makefile.in (CONFIG_H): Include insn-flags.h.
2830 (lots of objects): Remove insn-codes.h and insn-flags.h.
2832 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2833 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2834 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2835 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2836 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2837 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2838 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2839 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2840 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2841 v850/v850.c, vax/vax.c:
2842 Don't include insn-flags.h.
2844 * diagnostic.c, expr.h, reload.c, toplev.c:
2845 Don't include insn-codes.h.
2847 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2848 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2849 c4x/c4x.c, i960/i960.c, mips/mips.c:
2850 Don't include insn-codes.h or insn-flags.h.
2852 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2853 or insn-flags.h in the generated code.
2854 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2855 (main): Forward declare struct rtx_def.
2857 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2859 * invoke.texi (-ffast-math): Remove duplicate line about
2862 * gcc.texi: Remove more obsolete documentation of bugs and
2863 installation problems.
2865 2001-03-21 Kazu Hirata <kazu@hxi.com>
2867 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2870 2001-03-20 Jason Merrill <jason@redhat.com>
2872 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2874 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2875 * varasm.c (CHKR_PREFIX): Likewise.
2877 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2879 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2880 is part of a multi-SET insn.
2882 * cse.c (find_comparison_args): Remove previous change.
2883 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2886 * config/i386/i386.md (conditional_trap): Remove warning.
2888 * recog.c (push_operand): Fix error in last change that caused
2889 undefined symbol on many targets.
2891 * sdbout.c: #include ggc.h.
2892 (sdbout_init): Move to end of file.
2893 Call ggc_add_tree_root for anonymous_types.
2894 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2895 (sdbout_one_type): Use DECL_NAME for field name.
2896 * Makefile.in (sdbout.o): Show includes ggc.h.
2898 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2900 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2901 (override_options): Use properlimits for preferred_stack_boundary.
2902 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2904 (ext_register_operand): Accept DImode.
2905 (load_pic_register): Abort on 64bit.
2906 (gen_push): Use Pmode instead of SImode.
2907 (ix86_save_reg): Pic reg is never used on 64bit.
2908 (ix86_expand_prologue): Likewise.
2909 (ix86_emit_save_regs): Use Pmode instead of SImode.
2910 (legitimate_address_p): Check displacement for 64bit.
2911 (print_operand): Avoid outputting of (%rip) on 64bit.
2912 (print_operand_address): Output (%rip) where possible.
2913 (split_di): Abort on 64bit registers.
2914 (ix86_expand_branch): DImode comparison is simple for x86_64.
2915 (memory_address_length): Recognize memory addresses formed using
2917 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2919 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2921 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2923 * recog.c (push_operand): Recognize new format of push instructions.
2925 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2927 * i386.md (pushqi1): New.
2928 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2929 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2930 x86_64_immediate_operand, x86_64_immediate_operand,
2931 x86_64_zext_immediate_operand): Declare.
2932 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2933 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2934 x86_64_immediate_operand, x86_64_immediate_operand,
2935 x86_64_zext_immediate_operand): define.
2936 * i386.h (PREDICATE_CODES): Add new predicates.
2938 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2940 * i386.md (pophi1, popqi1, pushqi1): Remove.
2942 * expr.c (emit_single_push_insn): New function.
2943 (move_by_pieces): Accept NULL as destination for push instructions.
2944 (gen_push_operand): Kill.
2945 (emit_push_insn): Pass NULL when pushing; avoid updating of
2946 stack_pointer_delta.
2947 * expr.h (gen_push_operand): Kill.
2949 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2951 * rtl.texi (COMPARE): Clarify documentation and reference section
2954 2001-03-20 Stan Shebs <shebs@apple.com>
2956 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2957 (get_object_reference): Ditto.
2958 (error_with_ivar): Use error_with_file_and_line.
2959 (warn_with_method): Use warning_with_file_and_line.
2961 2001-03-20 Tom Tromey <tromey@redhat.com>
2963 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2965 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2967 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2968 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2970 2001-03-20 DJ Delorie <dj@redhat.com>
2972 * Makefile.in (install-libgcc): Pass complete list of variables.
2973 (install-multilib): Ditto.
2975 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2977 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2978 drectve_section, switch_to_section.
2980 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2981 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2982 i386_pe_mark_dllimport.
2984 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2986 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2987 functions i386_pe_*.
2989 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2990 i386_pe_* functions with char * arguments.
2992 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2994 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2996 (movsi_ie): Introduce fpul store.
2998 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3000 * Makefile.in (OBJS): Remove hashtab.o.
3002 2001-03-19 Stan Shebs <shebs@apple.com>
3004 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3005 * c-lang.c (maybe_objc_method_name): Ditto.
3006 * c-tree.h (maybe_objc_method_name): Remove decl.
3008 2001-03-19 Tom Tromey <tromey@redhat.com>
3010 * gcc.c (init_gcc_specs): Fix comment.
3012 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3014 Compute DECL_ASSEMBLER_NAME lazily.
3015 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3016 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3017 (SET_DECL_ASSEMBLER_NAME): Likewise.
3018 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3019 (set_decl_assembler_name): Declare.
3020 (lang_set_decl_assembler_name): Likewise.
3021 * tree.c (lang_set_decl_assembler_name): New variab.e
3022 (set_decl_assembler_name): New function.
3023 (init_obstacks): Set lang_set_decl_assembler_name.
3024 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3025 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3026 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3027 where it's not necessary.
3028 (builtin_function): Likewise.
3029 (finish_decl): Likewise.
3030 * dbxout.c (dbxout_type_methods): Likewise.
3031 * ggc-common.c (ggc_mark_trees): Likewise.
3032 * profile.c (output_func_start_profiler): Likewise.
3033 * varasm.c (make_decl_rtl): Likewise.
3035 * cse.c (find_comparison_args): Update documentation. Fix
3036 mishandling of COMPARE operations.
3038 * tree.def (ABS_EXPR): Add documentation.
3039 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3041 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3043 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3045 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3047 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3048 Remove ia32 linux PIC kludge and move it...
3049 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3051 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3053 * i386.md (absdf2 expander): Fix 64bit case.
3055 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3057 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3059 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3061 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3063 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3065 * README.X11: Remove obsolete file.
3067 2001-03-18 Anthony Green <green@redhat.com>
3069 * config/pj/pj.h: Remove some trailing commas.
3070 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3072 2001-03-18 Richard Henderson <rth@redhat.com>
3074 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3075 * calls.c: ... here.
3076 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3077 defaults for them here.
3079 2001-03-17 Anthony Green <green@redhat.com>
3081 * config/pj/lib1funcs.S: Fix broken comment.
3082 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3085 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3087 * gcc.texi: Remove obsolete information relating to build and
3088 installation problems with enquire or the Pyramid C compiler.
3090 2001-03-17 Richard Henderson <rth@redhat.com>
3092 * dwarf2out.c (queue_reg_save): New.
3093 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3094 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3096 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3097 (cfa, cfa_store, cfa_temp): Make static.
3098 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3100 2001-03-17 Richard Henderson <rth@redhat.com>
3102 * integrate.h (struct inline_remap): Add local_return_label.
3103 * integrate.c (expand_inline_function): Initialize it and emit
3104 it after copy_insn_notes.
3105 (copy_insn_list): Don't store local_return_label here.
3106 (copy_insn_notes): New function split out from copy_insn_list.
3108 2001-03-17 Richard Henderson <rth@redhat.com>
3110 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3111 is generating .debug_line.
3112 (dwarf2out_init): Add main_input_filename to the file table first.
3113 * configure.in (as_dwarf2_debug_line): Test with file number 1
3114 instead of file number 0.
3116 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3118 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3119 (gen_rtx_combine): Deleted; all references changed as appropriate.
3120 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3122 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3124 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3126 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3129 2001-03-16 Jim Wilson <wilson@redhat.com>
3131 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3132 then set it to LOC_REG (79) instead of aborting.
3134 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3136 * gccbug.in: Remove high priority.
3138 2001-03-16 Richard Henerson <rth@redhat.com>
3140 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3141 output with a space instead of deleting it.
3142 * configure: Regenerate.
3144 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3146 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3147 handles the gory details of converting an object file into
3148 something that's safe to grep.
3149 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3150 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3151 newlines at either end of the string we're looking for.
3152 Make 'checking ...' message less stilted.
3153 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3154 ARM in-memory layout and its hypothetical converse. Don't
3155 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3156 HOST_WORDS_BIG_ENDIAN.
3158 * configure.in: Adjust for renamed macro. Move
3159 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3160 * configure, config.in: Regenerate.
3162 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3164 * fixinc/Makefile.in: Set SHELL.
3166 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3168 * fixinc/fixincl.c (fix_with_system): Quote file names before
3169 passing them to shell.
3171 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3173 * Makefile.in: Use fix-header$(build_exeext) instead
3176 2001-03-16 Richard Henderson <rth@redhat.com>
3178 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3179 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3180 (size_of_line_prolog): Remove.
3181 (output_line_info): Compute prologue size via label difference.
3182 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3184 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3185 assembler error when redefining file numbers.
3186 * config.in, configure: Rebuild.
3188 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3189 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3190 (dw2_asm_output_delta_uleb128): Likewise.
3191 (dw2_asm_output_delta_sleb128): Similarly.
3192 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3194 2001-03-16 Michael Meissner <meissner@redhat.com>
3196 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3198 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3200 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3202 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3203 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3204 being unsigned in ISO C and signed in traditional.
3205 (expand_prologue): Ditto.
3206 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3208 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3210 (divsi3,divdi3): Ditto.
3211 (modsi3,moddi3): Ditto.
3212 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3213 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3214 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3217 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3219 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3220 SSE based conditional moves on LTGT/UNEQ conditions;
3221 Canonicalize EQ to NE.
3222 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3223 (sse_mov?fcc_ne): New.
3225 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3227 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3229 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3230 register may be dead.
3232 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3234 * Makefile.in (hash.o): Depend on CONFIG_H.
3236 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3238 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3240 2001-03-15 Richard Henderson <rth@redhat.com>
3242 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3243 (ASM_OUTPUT_DWARF_PCREL): New.
3244 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3246 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3248 * cppfiles.c (stack_include_file): Use MAX of sysp.
3250 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3252 * config.gcc (ia64*-*-hpux*): New case.
3253 * config/ia64/hpux.h: New file for HP-UX support.
3254 * config/ia64/t-hpux: New file for HP-UX support.
3256 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3258 * fixinc/inclhack.def (irix_stdio_va_list): New.
3259 * fixinc/fixincl.x: Rebuilt.
3261 2001-03-15 Richard Henderson <rth@redhat.com>
3263 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3264 if provided by the target.
3265 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3266 (dw2_asm_output_addr): New.
3267 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3268 * dwarf2out.c (output_cfi): Use it for program addresses.
3269 (output_call_frame_info, output_die): Likewise.
3270 (output_aranges, output_line_info): Likewise.
3272 2001-03-15 Bruce Korb <bkorb@gnu.org>
3274 * gcc.c(main): make more rigorous
3275 * collect2.c(main): guard against ignoring SIGCHLD
3276 * protoize.c(main): ditto
3277 * gcc/fixinc/fixincl.c(initialize): ditto
3279 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3281 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3282 (sdbout_parms): Likewise.
3284 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3286 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3287 "widen" a destination that is already wider than a word. Also do
3288 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3290 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3292 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3294 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3296 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3298 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3300 * i960.h (i960_maxbitalignment,
3301 i960_last_maxbitalignment): Declare.
3302 * i960.c (i960_maxbitalignment,
3303 i960_last_maxbitalignment): Make global.
3304 (process_pragma): Delete.
3305 (i960_pr_align, i960_pr_noalign): Move from here ...
3306 * i960-c.c: ... to this new file.
3307 * t-960bare (i960-c.o): New rule.
3308 * t-vxworks960 (i960-c.o): Likewise.
3309 * config.gcc (i960-*-*): Define c_target_objs and
3312 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3314 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3315 without adding in rtx code and mode.
3317 * alias.c (init_alias_analysis): Don't use any rtx whose value
3318 varies as a known value.
3319 Delete a superfluous test.
3321 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3323 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3324 scheduling a stop bit.
3325 (ia64_emit_nops): Correctly handle ASMs.
3327 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3329 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3331 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3333 * cpp.texi: Update documentation for -include and -imacros.
3334 * cppfiles.c (struct include_file): Remove "defined" memeber.
3335 (find_or_create_entry): Make a copy of the file name, and
3337 (open_file): Update to ensure we use the simplified filename.
3338 (stack_include_file): Don't set search_from.
3339 (cpp_included): Don't simplify the path name here.
3340 (find_include_file): New prototype. Call search_from to
3341 get the start of the "" include chain. Don't simplify the
3343 (_cpp_execute_include): New prototype. Move diagnostics to
3344 do_include_common. Update.
3345 (_cpp_pop_file_buffer): Don't set defined.
3346 (search_from): New prototype. Use the preprocessor's cwd
3347 for files included from the command line.
3348 (read_name_map): Don't simplify the pathname here.
3349 * cpphash.h (enum include_type): New.
3350 (struct buffer): Delete search from. New search_cached.
3351 (_cpp_execute_include): Update prototype.
3352 * cppinit.c (do_includes): Use _cpp_execute_include.
3353 * cpplib.c (do_include_common): New function.
3354 (do_include, do_include_next, do_import): Use it.
3356 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3358 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3359 contents of the RTL, to determine the name of the object.
3361 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3363 * tree.h (DECL_RTL): Allocate RTL lazily.
3364 (SET_DECL_RTL): New macro.
3365 (DECL_RTL_SET_P): Likewise.
3366 (COPY_DECL_RTL): Likewise.
3367 (DECL_RTL_IF_SET): Likewise.
3368 * varasm.c (make_decl_rtl): Add assertions about the kind of
3369 declaration we are processing.
3370 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3371 (start_decl): Likewise.
3372 (finish_decl): Likewise.
3373 * c-semantics.c (emit_local_var): Likewise.
3374 * calls.c (expand_call): Likewise.
3375 * dbxout.c (dbxout_symbol): Likewise.
3376 * emit-rtl.c (unshare_all_rtl): Likewise.
3377 (unshare_all_decls): Likewise.
3378 (reset_used_decls): Likewise.
3379 * expr.c (store_constructor): Likewise.
3380 (safe_from_p): Likewise.
3381 (expand_expr): Likewise.
3382 * function.c (put_var_into_stack): Likewise.
3383 (instantiate_decls_1): Likewise.
3384 (assign_parms): Likewise.
3385 (expand_function_start): Likewise.
3386 (expand_function_end): Likewise.
3387 * ggc-common.c (gcc_mark_trees): Likewise.
3388 * integrate.c (function_cannot_inline_p): Likewise.
3389 (copy_decl_for_inlining): Likewise.
3390 (expand_inline_function): Likewise.
3391 (integrate_parm_decls): Likewise.
3392 (integrate_decl_tree): Likewise.
3393 * print-tree.c (print_node): Likewise.
3394 * reg-stack.c (stack_result): Likewise.
3395 * stmt.c (label_rtx): Likewise.
3396 (expand_return): Likewise.
3397 (expand_decl): Likewise.
3398 (expand_decl_cleanup): Likewise.
3399 (expand_anon_union_decl): Likewise.
3400 * toplev.c (check_global_declarations): Likewise.
3401 (rest_of_decl_compilation): Likewise.
3402 * tree.c (simple_cst_equal): Likewise.
3403 * objc/objc-act.c (generate_static_references): Likewise.
3405 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3407 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3408 gcc_AC_C_FLOAT_FORMAT): New macros.
3409 * configure.in: Add AC_PROG_CPP after CC tests;
3410 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3411 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3412 * configure, config.in: Regenerate.
3414 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3415 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3416 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3417 config/i370/xm-linux.h, config/i370/xm-oe.h,
3418 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3419 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3420 config/pa/xm-linux.h, config/pa/xm-pa.h,
3421 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3422 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3423 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3424 config/we32k/xm-we32k.h: Delete.
3426 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3427 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3428 config/vax/xm-vms.h: Don't define any of:
3429 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3431 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3433 * config.gcc: Remove references to deleted files.
3434 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3435 FATAL_EXIT_CODE, which is the same between oe and mvs).
3437 2001-03-14 DJ Delorie <dj@redhat.com>
3438 Vladimir Makarov <vmakarov@redhat.com>
3440 * config/i960/i960.c (i960_function_prologue): Compute size of
3441 frame according to number of registers actually saved there.
3443 2001-03-14 Richard Henderson <rth@redhat.com>
3445 * expr.c (emit_move_insn_1): Fix else if around #endif.
3447 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3450 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3453 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3455 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3456 (override_options): Parse cmodel string.
3457 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3458 * i386.h (TARGET_OPTIONS): Add "cmodel".
3459 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3461 (ix86_cmodel_string, ix86_cmodel): Declare.
3463 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3466 * i386.h (GENERAL_REG_P): Add missing REG_P.
3468 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3470 * configure.in: Use $gcc_cv_as instead of $as.
3471 * configure: Regenerated.
3473 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3475 * cppfiles.c (stack_include_file): Only increase the include
3476 count if we actually process the file properly, as opposed
3477 to treating it as length zero. Only call read_include_file
3478 if not DO_NOT_REREAD. Handle the -H include file output
3480 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3481 (cpp_included, find_include_file): Simplify pathnames after
3482 remapping them. If remapping, don't use the remapped file
3483 name's buffer as our scratch buffer.
3484 (cpp_pop_file_buffer): Replace the multiple include macro
3485 only if it isn't yet set.
3486 (read_name_map): Simplify remapped names when reading in.
3487 (remap_filename): Move code to code path that uses it.
3488 (_cpp_simplify_pathname): Return the input pointer.
3489 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3491 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3493 * expr.c (expand_expr): Revove bogus conditional.
3495 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3497 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3499 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3501 * reg-stack.c (stack_result): Unconditionally use
3502 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3504 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3506 * expr.c (emit_move_insn_1): Split push of complex value when
3507 no suitable push instruction exist.
3509 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3510 instead of QI_REG_P.
3512 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3514 * alias.c (handled_component_p, can_address_p): New functions.
3515 (get_alias_set): Use them.
3517 2001-03-13 Jim Wilson <wilson@redhat.com>
3519 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3520 from 80 in try_locals code.
3521 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3523 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3525 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3526 gcc_AC_C_LONG_LONG): New.
3527 * configure.in: Use them. Probe the size of short, int, long,
3528 and long long/__int64 if we have them. Move all the AC_C_*
3529 checks together, except gcc_AC_C_CHAR_BIT which has to go
3530 after AC_CHECK_HEADERS(limits.h).
3531 Take hwint.h out of host_xm_file and build_xm_file.
3533 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3534 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3535 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3536 Move the HOST_WIDEST_INT setup logic here from system.h.
3537 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3539 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3540 is now handled by hwint.h.
3542 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3543 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3544 config/ia64/xm-ia64.h: Don't define any of:
3545 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3546 HOST_BITS_PER_LONGLONG.
3548 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3549 config/h8300/xm-h8300.h, config/mips/iris6.h,
3550 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3551 config/sparc/xm-sp64.h: Delete.
3552 * config.gcc: Remove references to deleted files.
3554 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3555 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3556 * config/i370/xm-linux.h: Clarify floating-point situation in
3559 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3561 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3562 (find_include_file): Decide here which part of the include
3563 chain to start the search. Complain about an empty include
3564 chain in all cases apart from an abolsute file name.
3565 (_cpp_execute_include): Don't choose the search chain here.
3566 Don't call handle_missing_include in the case of an empty
3568 (_cpp_compare_file_date): Don't choose the search chain here.
3569 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3570 here from _cpp_execute_include. Behave like #include if
3571 we're in the main file.
3573 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3575 * system.h (malloc, realloc, calloc, strdup): Only poison these
3576 tokens when IN_GCC is defined.
3578 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3580 * i386.md (abs?f expander): Support SSE case.
3581 (abd?f_if): Add new "USE"; add splitters.
3583 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3585 * cpp.texi (poison): Explain the macro expansion exception.
3587 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3589 * expr.c (store_expr): Add dont_store_target. If temp is already in
3590 target before copying to reg, don't store it into target again.
3592 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3594 * cppinternals.texi: Update for file handling.
3596 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3598 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3599 2001-02-24 which broke building the Java library.
3600 * function.c (identify_blocks): Likewise.
3601 (all_blocks): Likewise.
3602 * integrate.c (integrate_decl_tree): Likewise.
3603 * print-tree.c (print_node): Likewise.
3604 * tree.h (BLOCK_NUMBER): Likewise.
3605 (struct tree_block): Likewise.
3607 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3609 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3610 __WCHAR_TYPE__ definition.
3611 (WCHAR_TYPE_SIZE): #undef before #define.
3613 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3615 * cppfiles.c: Update comments.
3616 (destroy_include_file_node): Rename destroy_node.
3617 (find_or_create_entry): New function.
3618 (open_file, _cpp_fake_include): Use it.
3619 (handle_missing_header): New function, broken out of
3620 _cpp_execute include. Don't segfault if there is no
3621 system or quoted path.
3622 (_cpp_execute_include): Use handle_missing_header.
3624 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3626 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3627 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3629 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3631 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3632 unless anti_dependence says they are.
3633 * alias.c (objects_must_conflict): If neither has a type specified,
3636 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3637 David Billinghurst <David.Billinghurst@riotinto.com>
3639 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3641 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3643 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3644 (*_one_bit): Remove type on the match_operand in attributes.
3646 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3648 * i386.c: Commit forgotten hunk in previous patch.
3649 (regclass_map): Add extended registers.
3650 (dbx_register_map): Add missing frame register.
3652 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3654 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3656 * i386.md (x86_sahf_1): Disable for 64bit.
3657 (popsi*, pophi*): Likewise.
3658 (pushqi, pushhi): Likewise.
3659 (movdi, pushdi): Likewise.
3660 (zero extend DImode splitter): Likewise.
3661 (adddi, minusdi splitter): Likewise.
3662 (umulsidi): Likewise.
3664 (mulsidi): Disable for 64bit
3665 (lshift:DI/ashift:DI): Disable for 64bit.
3666 (loop patterns): Likewise.
3667 (call_pop, call_value_pop expanders and patterns): Likewise.
3668 (prologue_get_pc): Likewise.
3670 (fcmovDI pattern and splitter): Likewise.
3671 (movdfcc_1_rex64): New.
3673 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3675 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3676 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3677 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3678 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3679 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3680 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3681 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3682 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3683 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3684 (REGPARM_MAX): Set to 6 for x86_64.
3685 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3686 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3689 * (patterns that does use upper halves): Update constraints
3690 'q' to 'Q' and 'r' to 'R'.
3691 (cmpqi_ext_1): Disable for 64bit.
3692 (cmpqi_ext_3_insn): Likewise.
3693 (movqi_extzv_1): Likewsie.
3694 (addqi_ext_1): Liekwsie
3695 (testqi_ext_1): Liekwsie
3696 (andqi_ext_1): Liekwsie
3697 (xorqi_ext_1): Liekwsie
3698 (cmpqi_ext_1_rex64): New.
3699 (cmpqi_ext_3_insn_rex64): Likewise.
3700 (movqi_extzv_1_rex64): Likewsie.
3701 (addqi_ext_1_rex64): Liekwsie
3702 (testqi_ext_1_rex64): Liekwsie
3703 (andqi_ext_1_rex64): Liekwsie
3704 (xorqi_ext_1_rex64): Liekwsie
3706 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3708 * configure.in: Move check for unsigned enumerated bitfields
3709 to macro in aclocal.m4. Disable it for now.
3710 * configure, config.in: Regenerate.
3711 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3712 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3713 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3714 kind above its first use.
3716 * config/xm-interix.h, config/alpha/xm-alpha.h,
3717 config/i370/xm-linux.h, config/i386/xm-beos.h,
3718 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3719 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3720 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3721 Don't define ONLY_INT_FIELDS under any circumstances.
3723 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3725 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3726 config/sparc/xm-sysv4.h: Delete - now identical with some
3728 * config.gcc (hppa targets): Replace xm-pahpux.h and
3729 xm-papro.h with implicit xm-pa.h.
3730 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3733 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3735 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3736 before reload_cse_noop_set_p.
3738 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3740 * config.gcc: Where xm-host.h used to include another
3741 xm-host.h, list the nested header directly in xm_file. Remove
3742 references to deleted files. Can now use sparc/xm-sp64.h for
3745 * config/xm-linux.h, config/arm/xm-linux.h,
3746 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3747 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3748 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3749 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3750 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3753 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3754 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3755 bother to wrap #undef in #ifdef.
3756 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3757 Don't include xm-linux.h.
3758 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3760 * configure.in: Wrap regexps using [] in changequote block.
3761 Use expr : not echo | grep. Simplify regexps.
3762 * configure: Regenerate.
3764 56 xm-files remain, 22 xm-arch.
3766 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3768 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3769 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3770 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3771 (copy_object): Fix format specifier vs argument mismatch.
3773 * mips-tdump.c: Make local functions static.
3774 (rindex): Don't #undef.
3775 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3776 (fatal, fancy_abort): Delete.
3777 (read_seek): Avoid signed/unsigned compare.
3779 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3781 * combine.c (try_combine): Fix error in change to try original
3783 (gen_rtx_combine): Do same as gen_rtx for now.
3785 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3787 * configure.in: AC_SUBST xm_defines.
3788 * configure: Regenerate.
3789 * Makefile.in: Set DEFINES=$(xm_defines) when building
3792 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3794 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3795 (cpp_included, find_include_file): Update.
3796 (_cpp_compare_file_date): Make else unconditional.
3798 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3800 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3802 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3804 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3805 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3807 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3809 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3810 if it's a record type.
3812 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3814 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3815 mingw includes slightly.
3817 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3819 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3820 #undef token before poisoning it.
3822 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3824 * alpha.c (check_float_value): Use memcpy, not bcopy.
3826 * m32r.c (m32r_sched_reorder): Likewise.
3828 * vax.c (check_float_value): Likewise.
3830 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3832 * toplev.c (file_name_nondirectory): Remove.
3833 * toplev.h: Similarly.
3834 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3835 of file_name_nondirectory.
3837 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3839 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3840 * mips-tfile.c: Don't #undef rindex; not used.
3842 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3844 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3845 (dbx64_register_map): Declare.
3846 (RETURN_ADDR_RTX): Fix for 64bit.
3847 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3848 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3849 * i386.c (dbx64_register_map): New global array.
3850 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3851 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3854 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3856 * cppfiles.c (search_from): Use lbasename.
3857 * mkdeps.c (deps_add_default_target): Use lbasename.
3859 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3861 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3862 xcalloc in lieu of malloc, realloc & calloc.
3864 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3866 * gengenrtl.c (xmalloc): Likewise.
3868 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3869 really_call_* memory allocation routines.
3871 * stmt.c (check_for_full_enumeration_handling): Use
3872 really_call_calloc, not calloc.
3874 * system.h (really_call_malloc, really_call_calloc,
3875 really_call_realloc): Define.
3876 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3878 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3880 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3882 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3884 * configure: Rebuilt.
3885 * configure.in: Only use `lang_requires' for languages athat are
3888 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3890 * invoke.texi: Fix typo.
3891 * gcc.1: Regenerate.
3893 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3895 * configure.in: Prune nonexistent files from build_xm_file,
3896 xm_file, and host_xm_file lists. Warn unless they're
3898 Don't generate *config.h here.
3899 AC_SUBST all variables needed to generate *config.h.
3900 * configure: Regenerate.
3901 * mkconfig.sh: New helper script, from code removed from
3903 * Makefile.in: Zap all MALLOC variables - no longer used
3904 anywhere, and malloc.c doesn't exist.
3905 Substitute in variables needed to generate *config.h.
3906 Stop lying about the dependencies contained in CONFIG_H and
3908 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3909 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3910 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3911 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3912 $(TM_P_H), etc. as appropriate.
3914 * config.gcc: Zap references to deleted files.
3915 * ggc-none.c: Don't include rtl.h or tm_p.h.
3917 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3918 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3919 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3920 config/i386/xm-linux.h, config/i386/xm-linux.h,
3921 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3922 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3923 Don't include i386/xm-i386.h.
3925 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3926 config/i386/xm-i386.h, config/i860/xm-i860.h,
3927 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3928 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3929 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3930 Delete (empty except comments, #includes of other deleted
3931 files, and macros used nowhere).
3933 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3935 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3936 independent on TARGET_FLAGS.
3938 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3940 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3942 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3944 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3946 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3947 LAST_REX_SSE_REG): define.
3948 (enum reg_class): Add 'LEGACY_REGS'
3949 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3950 (SSE_REGNO_P): Recognize extended registers.
3951 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3952 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3953 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3954 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3955 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3956 REG_OK_FOR_STRREG_P): Remove.
3957 (HI_REGISTER_NAMES): Add extended registers.
3958 (ADDITIONAL_REGISTER_NAMES): Likewise.
3959 (QI_REGISTER_NAMES): Add 8bit extended registers.
3960 (DEBUG_REG): Support extended registers.
3961 * i386.c (regclass_map): Add extended registers.
3962 (dbx_register-map): Likewise.
3963 (svr4_dbx_register_map): Likewise.
3964 (print_reg): Support extended registers.
3965 (print_operand): Support 64bit operands.
3967 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3969 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3970 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3971 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3972 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3973 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3974 STACK_BOUNDARY): Set properly for 64bits.
3975 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3976 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3977 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3978 (MOVE_MAX): Set to 16.
3979 (MOVE_MAX_PIECES): 8 for 64bit.
3980 (Pmode): Set to SImode.
3982 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3984 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3986 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3988 * i386.h (mask_64bit): New constant.
3989 (target_64bit): New macro.
3990 (target_options): Add '64'/'32'
3991 (target_default): Define.
3992 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3993 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3994 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3996 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3998 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4000 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4002 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4003 LO_SUM unless for_alias is set.
4005 2001-03-08 Stan Shebs <shebs@apple.com>
4007 * objc/objc-act.c: Fix old typos in comments, add comments for
4009 (hash_init): Fix file name in error message.
4010 (hash_enter): Ditto.
4011 (hash_add_attr): Ditto.
4012 (continue_class): Ditto.
4014 2001-03-08 Bruce Korb <bkorb@gnu.org>
4016 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4017 wait4() can receive the signal.
4019 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4021 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4023 * fixinc/fixincl.x: Regenerate.
4025 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4027 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4029 * fixinc/fixincl.x: Regenerate.
4031 2001-03-08 Richard Henderson <rth@redhat.com>
4033 * configure.in (HAVE_AS_LEB128): New assembler check.
4034 * configure, config.in: Rebuilt.
4036 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4038 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4041 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4043 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4044 references to the MAXPATHLEN macro.
4046 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4047 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4050 * config/i386/xm-gnu.h, config/xm-gnu.h,
4051 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4052 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4053 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4054 and/or unused files.
4056 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4057 doing so in various xm-*.h files.
4059 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4061 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4063 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4065 * configure.in (enable_shared): Support per-package shared-library
4067 * configure: Rebuilt.
4069 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4071 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4072 for crnot. Set operands[5] in splitter.
4074 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4076 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4077 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4078 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4079 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4080 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4081 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4082 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4085 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4086 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4087 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4088 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4089 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4090 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4091 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4092 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4093 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4094 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4095 Delete unused and/or empty files.
4097 * config.gcc: Define USG in xm_defines as appropriate. Define
4098 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4099 macro. Remove deleted xm-* files from $xm_files variable.
4101 2001-03-07 Tom Tromey <tromey@redhat.com>
4103 * configure: Rebuilt.
4104 * configure.in: Allow config-lang.in to set `lang_requires' to list
4105 of other required languages.
4107 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4109 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4111 (output_prologue): Use xmalloc not oballoc.
4112 (output_epilog): Free a29k_first_epilogue_insn when finished.
4113 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4115 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4117 * builtins.c (expand_builtin_mathfn): Check
4118 flag_unsafe_math_optimizations, not flag_fast_math.
4119 (expand_builtin): Likewise
4120 * combine.c (combine_simplify_rtx): Likewise.
4121 (simplify_if_then_else): Likewise.
4122 * cse.c (fold_rtx): Likewise.
4123 * flags.h: Remove flag_fast_math. Add
4124 flag_unsafe_math_optimizations and flag_trapping_math.
4125 * fold-const.c (negate_expr): Check
4126 flag_unsafe_math_optimizations, not flag_fast_math.
4127 (invert_truthvalue): Likewise.
4128 (fold): Likewise. Before associating operands, check that
4129 code == MULT_EXPR, not code != MULT_EXPR.
4130 * ifcvt.c (noce_try_minmax): Check
4131 flag_unsafe_math_optimizations, not flag_fast_math.
4132 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4133 * invoke.texi: Document -funsafe-math-optimizations and
4134 -fno-trapping-math. Change documentation for -ffast-math.
4135 * jump.c (reversed_comparison_code_parts): Likewise.
4136 (rtx_equal_for_thread_p): Likewise.
4137 * optabs.c (emit_conditional_move): Likewise.
4138 * simplify-rtx.c (simplify_binary_operation): Likewise.
4139 (simplify_relational_operation): Likewise.
4140 (simplify_ternary_operation): Likewise.
4141 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4142 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4143 Add trapping-math and unsafe-math-optimizations entries to f_options.
4144 (set_fast_math_flags): New, sets flags for -ffast-math.
4145 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4146 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4147 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4149 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4150 (alpha_emit_conditional_move): Initialize local_fast_math to
4151 flag_unsafe_math_optimizations, not flat_fast_math.
4152 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4153 instead of setting flag_fast_math to 1.
4154 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4156 * config/i386/i386.c (override_options): Likewise
4157 * config/i386/i386.md: Likewise.
4158 * config/m68k/m68k.md: Likewise.
4159 * config/mips/mips.md: Likewise.
4160 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4161 (rs6000_generate_compare): Likewise.
4163 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4165 * Makefile.in: Set RANLIB to @RANLIB@.
4168 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4170 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4171 * fixinc/fixincl.x: Regenerated.
4173 2001-03-07 Richard Henderson <rth@redhat.com>
4175 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4177 2001-03-07 Richard Henderson <rth@redhat.com>
4179 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4180 of block notes and exception handling notes.
4182 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4183 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4184 (compile_file): ... here.
4186 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4188 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4190 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4191 config.h now. Include libiberty.h to handle alloca.
4193 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4195 * c-parse.in (yylexname): New function, split out of _yylex.
4196 (objc_rid_sans_at): New table.
4197 (init_reswords): Initialize it.
4198 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4199 retrieving the next token and checking it for significance as
4200 an ObjC keyword or string constant.
4202 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4203 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4205 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4208 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4210 * config/m68k/m68k.c (const_uint32_operand): Accept any
4211 const_int on a 32-bit host.
4213 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4215 * objc/objc-act.c (init_objc): Set save_lang_status,
4216 restore_lang_status, and mark_lang_status.
4218 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4220 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4222 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4224 * cppinternals.texi: Update.
4226 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4228 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4229 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4230 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4231 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4232 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4233 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4234 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4235 config/i386/xm-i386.h, config/i860/xm-i860.h,
4236 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4237 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4238 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4239 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4240 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4241 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4242 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4243 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4244 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4245 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4246 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4247 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4248 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4249 match the defaults provided in hwint.h.
4251 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4252 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4254 * config.gcc (xm_file): Don't set to files which are deleted.
4256 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4257 guard this file against these macros being undefined.
4259 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4261 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4262 and DECL_DEFER_OUTPUT on the decl we create, before calling
4263 rest_of_decl_compilation.
4265 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4267 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4269 * configure, config.in: Regenerate.
4270 * config.gcc: Remove references to deleted files.
4272 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4273 genrecog.c, rtl.c: Do not use alloca anywhere.
4275 * Makefile.in, build-make, system.h, config/x-interix,
4276 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4277 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4278 config/arc/xm-arc.h, config/arm/xm-arm.h,
4279 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4280 config/h8300/xm-h8300.h, config/i370/x-oe,
4281 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4282 config/i386/x-ncr3000, config/i386/x-sco5,
4283 config/i386/xm-dgux.h, config/i860/x-sysv4,
4284 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4285 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4286 config/m68k/x-hp320g, config/m69k/x-mot3300,
4287 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4288 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4289 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4290 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4291 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4292 config/mips/x-iris, config/mips/x-iris3,
4293 config/mips/x-sni-svr4, config/mips/x-sysv,
4294 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4295 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4296 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4297 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4298 config/pa/xm-papro.h, config/romp/xm-romp.h,
4299 config/rs6000/x-aix31, config/rs6000/x-aix41,
4300 config/rs6000/x-beos, config/rs6000/x-lynx,
4301 config/rs6000/x-mach, config/rs6000/x-rs6000,
4302 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4303 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4304 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4305 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4306 config/vax/xm-vms.h: Eradicate all references to alloca and
4309 * config/xm-alloca.h, config/clipper/x-clix,
4310 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4311 config/i860/x-sysv3, config/m88k/x-sysv3,
4312 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4313 (contained only alloca related hacks).
4315 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4318 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4320 * invoke.texi: Document __FAST_MATH__.
4322 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4324 * crtstuff.c: Restore include of auto-host.h.
4326 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4328 Put main() in a separate file, so that the language
4329 front-end can use a different main().
4332 * toplev.c: (main): Rename as toplev_main.
4333 * toplev.h: Declare toplev_main.
4334 * Makefile.in (OBJS): add toplev.o.
4335 (BACKEND): remove toplev.o, add main.o.
4337 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4339 * cppfiles.c (search_from): Special case the empty string.
4341 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4343 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4344 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4345 strlen or strcpy; we already know the length.
4346 (_cpp_compare_file_date): Similarly.
4347 * cpphash.h (struct cpp_reader): Delete done_initialising.
4348 (CPP_PREV_BUFFER): Delete.
4349 * cppinit.c (cpp_start_read): Don't set done_initialising.
4350 * cpplex.c (parse_string): Guarantee null-termination.
4351 (_cpp_equiv_toklists): Remove.
4352 * cpplib.c (glue_header_name): Null-terminate.
4353 (do_line): Don't leak memory.
4354 * cpplib.h (BT_WEAK): Delete.
4355 * cppmain.c (cb_ident): Strings are now null-terminated.
4357 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4359 * gcc.c (convert_filename): Append executable suffix
4360 if NO_AUTO_EXE_SUFFIX is not defined.
4361 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4362 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4364 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4366 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4367 * c-parse.gperf, c-gperf.h: Delete.
4368 (c-gperf.h was accidently re-added to the CVS repo in the rev
4369 1.16 commit by tromey)
4371 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4373 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4374 macro arguments when looking for the '('.
4375 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4376 2 when really parsing arguments; 1 when looking for '('.
4377 Always restore the lexer position.
4379 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4381 * longlong.h (umul_ppmm): Don't use a multiline string.
4383 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4385 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4386 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4387 t_bool in declaration because pcc can't combine volatile with typedef
4390 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4392 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4393 until when it is really needed.
4394 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4395 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4396 * i386.md (float?i?f splitter): Don't force source operand to memory
4398 (sse_movdfcc): Fix constraint.
4399 (sse_movdfcc splitter): Handle properly the second alternative.
4401 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4403 * cpplex.c (parse_string): Unconditionally pedwarn.
4405 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4408 * cppexp.c (parse_number): Update.
4409 * cpplex.c (parse_string): Pedwarn if multiline string does not
4410 result from a system header's macro.
4411 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4412 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4413 for function-like macros too.
4414 * c-lex.c (lex_number): Update.
4416 2001-03-03 Richard Henderson <rth@redhat.com>
4418 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4420 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4422 * combine.c (try_combine): If split with mode-changed scratch
4423 register didn't work, try the original mode.
4425 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4427 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4428 * config/c4x/c4x.h: Likewise.
4429 * stor-layout.c (compute_record_mode): Likewise.
4430 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4432 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4434 * configure.in: Kill tm.h. Include the files in the $tm_file
4435 list in all three of config.h, hconfig.h, tconfig.h, after the
4436 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4437 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4438 * configure: Regenerate.
4439 * Makefile.in (clean): Don't delete tm.h.
4441 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4442 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4443 those are not defined, set SEC and FEC to 0 and 1.
4444 * gcc.texi: Update to match.
4446 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4447 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4448 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4449 Include tconfig.h, not tm.h.
4451 * config/xm-lynx.h, config/xm-std32.h,
4452 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4453 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4454 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4455 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4456 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4457 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4458 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4459 config/i386/xm-i386.h, config/i860/xm-i860.h,
4460 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4461 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4462 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4463 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4464 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4465 config/pa/xm-linux.h, config/pa/xm-pa.h,
4466 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4467 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4468 config/pj/xm-pj.h, config/romp/xm-romp.h,
4469 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4470 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4471 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4472 config/v850/xm-v850.h, config/vax/xm-vax.h,
4473 config/we32k/xm-we32k.h:
4475 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4477 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4478 config/i370/xm-oe.h: Don't include tm.h. Don't define
4480 * config/vax/xm-vms.h: Don't include tm.h.
4482 * config/xm-lynx.h, config/avr/xm-avr.h,
4483 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4484 Delete; made empty by above changes.
4485 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4486 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4487 Don't include config/xm-lynx.h or tm.h.
4489 * config/xm-gnu.h: Don't include fcntl.h.
4490 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4492 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4494 2001-03-02 Richard Henderson <rth@redhat.com>
4496 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4497 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4499 2001-03-02 Richard Henderson <rth@redhat.com>
4501 * Makefile.in (OBJS): Add dwarf2asm.o.
4502 * dwarf2asm.c, dwarf2asm.h: New files.
4503 * dwarf2out.c (*): Use them.
4504 (size_of_uleb128, size_of_sleb128): Remove.
4505 (output_uleb128, output_sleb128): Remove.
4506 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4507 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4508 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4509 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4510 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4511 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4512 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4513 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4514 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4515 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4516 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4517 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4518 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4519 (dwarf2out_frame_debug): Remove unused variables.
4520 (output_loc_operands): Don't abort on 8 byte constants if
4521 host integers are wide enough.
4522 (output_symbolic_ref): Remove.
4523 (size_of_die): Don't assume 4 byte host integers.
4524 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4526 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4527 something stupid with HOST_WIDE_INT to long truncation.
4528 [CONST_DOUBLE]: Likewise.
4530 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4531 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4532 * config/arm/unknown-elf.h: Likewise.
4533 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4534 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4535 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4536 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4537 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4538 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4539 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4540 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4541 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4542 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4543 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4544 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4546 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4548 * cselib.c (hash_rtx): Cast enums to unsigned int.
4550 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4552 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4553 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4555 * c-format.c (C_STD_VER): Cast to int for comparisons.
4556 (check_function_format): Cast various enums to int for &.
4557 (maybe_read_dollar_number): Likewise.
4558 (check_format_info): Likewise.
4559 (check_format_info_main): Likewise.
4560 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4561 (safe_from_p): Likewise.
4562 * varasm.c (const_hash): Cast enum to int for %.
4563 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4564 pcc enum problems with < and ++ operators.
4565 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4566 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4567 (regclass_init): Change enum class to int to iterate over reg_classes.
4568 * genrecog.c (merge_trees): Cast enums for comparison.
4569 * rtl.h (GET_CODE): Cast to enum rtx_code.
4570 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4571 (GET_MODE): Cast to enum machine_mode.
4572 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4573 (GET_NOTE_INSN_NAME): Cast enum to int.
4574 * tree.h (TREE_CODE): Cast to enum tree_code.
4575 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4576 * timevar.c (timevar_print): Change loop variable id from enum to
4578 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4579 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4580 * toplev.c (compile_file): Cast enum DFI to int.
4581 (decode_d_option): Likewise.
4583 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4585 * cppinit.c (append_include_chain): Mark "after" include file name list
4586 as a system directory.
4587 * cpp.texi: Document new behavior.
4589 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4591 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4593 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4595 * cppfiles.c (struct include_file): Update.
4596 (stack_include_file): Use search_from.
4597 (cpp_included, find_include_file): Update.
4598 (cpp_execute_include): Update. ptr->name may not be
4599 null terminated. Use the new search_from member variable
4601 (_cpp_compare_file_date): Similarly.
4602 (search_from): New function, similiar to actual_directory.
4603 (actual_directory): Delete.
4604 (remap_filename): Update. loc->name may not be null terminated.
4605 (struct file_name_list): Rename search_path. Update.
4606 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4607 search_from and dir.
4608 (struct cpp_reader): Remove actual_dirs.
4609 * cppinit.c (struct cpp_pending): Update for renamed objects.
4610 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4611 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4612 * cpplib.h (struct cpp_options): Similarly.
4614 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4616 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4617 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4618 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4619 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4620 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4621 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4622 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4623 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4624 config/i370/xm-oe.h, config/i386/xm-aix.h,
4625 config/i386/xm-i386.h, config/i386/xm-osf.h,
4626 config/i860/xm-i860.h, config/i960/xm-i960.h,
4627 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4628 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4629 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4630 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4631 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4632 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4633 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4634 config/pj/xm-pj.h, config/romp/xm-romp.h,
4635 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4636 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4637 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4638 config/v850/xm-v850.h, config/vax/xm-vax.h,
4639 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4640 Do not define TRUE or FALSE.
4642 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4643 empty by above change.
4644 * config.gcc: Remove references to these files.
4646 * configure.in: Detect stdbool.h.
4647 * configure, config.in: Regenerate.
4648 * system.h: Include stddef.h here if available.
4649 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4650 Then set up a sensible boolean type at the very end.
4652 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4653 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4655 * hash.h: Delete 'boolean' typedef and related #undefs.
4657 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4658 all uses of 'boolean' with 'bool'.
4660 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4662 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4663 * cppexp.c (lex): Cast enums for comparison.
4664 * cppinit.c (parse_option): Cast enum for comparison.
4665 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4666 (cpp_output_token): Likewise.
4667 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4668 (cpp_avoid_paste): Cast enums for minus and comparison.
4670 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4672 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4673 field to all array elements.
4675 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4677 * cpphash.h (struct cpp_reader): Add print_version field.
4678 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4679 just set print_version and other flags as appropriate.
4680 (cpp_post_options): Print version here if print_version is set.
4682 * toplev.c (exit_after_options): New flag.
4683 (independent_decode_option): Don't exit here; just set
4685 (main): Exit after calling lang_hooks.post_options if
4686 exit_after_options is true.
4688 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4689 (merge_include_chains): Adjust comment to match code.
4691 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4693 * stringpool.c (set_identifier): New function.
4694 * tree.h: Prototype it.
4696 * c-parse.in: Kill D_YES. If compiled for objc, call
4697 save_and_forget_protocol_qualifiers from init_reswords.
4698 * objc/objc-act.c (remember_protocol_qualifiers,
4699 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4700 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4702 (save_and_forget_protocol_qualifiers): New function.
4703 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4705 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4707 * c-semantics.c (prune_unused_decls): Return error_mark_node
4708 instead of (tree) 1 to stop traversing the tree chain.
4710 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4712 Fix a problem introduced by Kenner's Feb 18 change.
4713 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4714 flag_cse_skip_blocks only temporarily, not for ever.
4716 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4718 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4719 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4721 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4722 before determining its register class.
4724 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4726 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4727 from reg 4 if current_function_calls_setjmp.
4728 (gen_nop_type): New function.
4729 (ia64_emit_nops): New function.
4730 (ia64_reorg): Call it.
4731 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4733 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4734 code not to try to optimize adds with anything but a REG destination.
4736 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4737 (INSN_PRIORITY_KNOWN): New accessor macro.
4738 * haifa-sched.c (priority): Use it instead of testing priority against
4741 2001-02-28 DJ Delorie <dj@redhat.com>
4743 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4744 since that doesn't work the way gcc wants on a generic m68k.
4746 2001-02-28 Richard Henderson <rth@redhat.com>
4748 * caller-save.c (save_call_clobbered_regs): Fix typo in
4749 comparison last change.
4751 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4753 * i386.c (pentium4_cost): New.
4754 (m_PENT4): New macro.
4755 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4756 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4757 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4758 x86_memory_mismatch_stall): Add Pentium4
4759 (x86_use_q_reg, x86_use_any_reg): Kill.
4760 (override_options): Add pentium4.
4761 (incdec_operand): Return 0 for pentium4.
4762 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4763 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4764 (TARGET_PENTIUM4): Define.
4765 (enum processor_type): Add PROCESSOR_PENTIUM4.
4766 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4767 * i386.md (attribute "cpu"): Add pentium4.
4768 * invoke.texi (march): Add pentium4.
4770 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4772 * i386.md (sse_mov?fcc*): New patterns and splitters.
4773 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4774 the SSE based conditional moves.
4776 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4778 * i386.md (attribute mode): Add "TI".
4779 (movsf_1): Add pxor support; remove constant propagation splitter.
4780 (movdf_integer): Likewise.
4781 (movdf_nointeger): Likewise.
4782 (movxf constant prop splitter): Handle all modes; update for SSE.
4783 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4784 * i386.c (standard_80387_constant_p): Rewrite.
4785 (standard_sse_constant_p): New.
4786 * i386-protos.h (standard_sse_constant_p): New.
4788 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4790 * i386.md (sse_setccsf, sse_setccdf): New.
4791 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4793 * i386.c (sse_comparison_operator): Accept the supported unordered
4794 comparses; be ready for fast_math.
4795 (print_operand): Support 'D'.
4797 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4799 * jump.c (reversed_comparison_code): Kill.
4801 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4803 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4806 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4808 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4809 add missing '%' in constraints.
4811 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4813 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4814 for HOST_BITS_PER_WIDE_INT == 32 too.
4816 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4818 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4820 (insert_save, insert_restore): New parameter save_mode.
4821 (init_caller_save): Update initialization of reg_save_code
4822 and reg_restore_code.
4823 (save_call_clobbered_regs): Compute save_modes and update calls to
4824 reg_save_code and reg_restore_code.
4825 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4826 of spill; update use of reg_restore_code.
4827 (insert_save): Likewise.
4828 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4829 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4830 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4832 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4834 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4835 noce_try_store_flag_inc, noce_try_store_flag_mask,
4836 noce_try_cmove_arith):
4837 Use reversed_comparison_code instead of reverse_comparison and
4838 can_reverse_comparison_p.
4840 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4842 * jump.c (reversed_comparison_code_parts): Allow reversal of
4843 unordered compares in -ffast-math mode; reverse ordered compares
4844 for FP even w/o -ffast-math.
4846 2001-02-27 Richard Henderson <rth@redhat.com>
4848 * print-rtl.c (print_rtx) [i]: Don't print field five on
4849 NOTEs other than NOTE_INSN_DELETED_LABEL.
4851 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4853 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4854 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4856 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4858 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4859 even if walk_subtrees is 0.
4860 * c-semantics.c (prune_unused_decls): Return a non-null value to
4861 stop traversing the tree chain.
4863 2001-02-27 DJ Delorie <dj@redhat.com>
4865 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4866 register, *then* define it as the new CFA.
4868 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4870 * pa.c (override_options): Promote -fpic to -fPIC.
4871 (legitimize_pic_address): Simplify due to removal of
4872 small PIC as a code generation option.
4873 (secondary_reload_class): Similarly.
4874 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4875 (PRINT_OPERAND_ADDRESS): Similarly.
4876 * pa.md (various patterns): Similarly.
4877 (small pic lo_sum pattern): Remove.
4879 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4882 * md.texi (min, max): Document
4884 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4886 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4887 TARGET_PARTIAL_REG_DEPENDENCY.
4888 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4890 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4892 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4894 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4896 * mips.c (mips_make_temp_file): Fix thinko in last change.
4898 2001-02-26 Jason Eckhardt <jle@redhat.com>
4900 * combine.c (known_cond): Do not reverse the condition when
4901 SMAX/UMAX is being considered and the condition is for equality
4904 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4906 2001-02-26 Philip Blundell <philb@gnu.org>
4908 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4910 * config/arm/linux-elf.h: Remove historical relics related to
4911 above configurations.
4912 * config/arm/linux-oldld.h: Delete.
4913 * config/arm/linux-elf26.h: Delete.
4915 2001-02-26 Jason Merrill <jason@redhat.com>
4917 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4919 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4920 recognize a tentative definition. Lose obsolete code.
4922 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4923 variables unless necessary, either.
4925 2001-02-25 Richard Henderson <rth@redhat.com>
4927 * ifcvt.c (struct noce_if_info): Add test_bb.
4928 (noce_get_alt_condition): New.
4929 (noce_try_minmax, noce_try_abs): New.
4930 (noce_operand_ok): New.
4931 (noce_process_if_block): Use them.
4932 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4934 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4936 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4939 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4941 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4942 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4944 (mips_asm_file_end): Free temp_filename here.
4946 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4948 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4949 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4951 * config/i386/i386.md (movstrsi): Handle FAIL case.
4953 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4955 * cppinit.c (builtin_array): Update.
4956 (init_builtins): Flag builtins to warn if redefined or
4957 undefined. Define __GXX_WEAK as a normal macro.
4958 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4959 * cpplib.h (NODE_WARN): New flag.
4960 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4961 Handle __STDC__ as a builtin only on Solaris.
4962 (warn_of_redefinition): Renamed from check_macro_definition.
4963 Reverse sense of test. Always warn if NODE_WARN.
4964 (_cpp_create_definition): Use warn_of_redefinition. Flag
4965 any macro beginning with "__STDC_" to require a mandatory
4966 warning if redefined or undefined.
4968 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4970 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4971 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4972 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4973 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4974 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4975 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4976 Don't define any of:
4977 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4978 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4979 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4980 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4981 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4983 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4984 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4987 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4988 Delete now-empty file.
4990 * alpha/vms.h: Define NEED_ATEXIT here...
4991 * alpha/xm-vms.h: ...not here.
4993 * i386/cygwin.h: Don't define PARAMS.
4994 * mips/mips.c: Don't prototype mktemp. Don't define
4995 P_tmpdir. Use make_temp_file to create temporary files.
4996 Don't be clever and delete temporary files early.
4997 * config.gcc: Drop references to deleted files. Don't define
4999 * gcc.texi: Don't mention USE_PROTOTYPES.
5001 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5003 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5004 (ix86_set_move_mem_attrs_1): Likewise.
5005 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5006 * config/i386/i386.md (movstrsi): Call it.
5008 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5010 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5011 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5012 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5013 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5015 (i750a-*-*): Error here if hosting on i750a.
5016 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5018 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5019 Remove (empty modulo comments).
5021 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5022 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5023 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5024 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5025 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5026 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5028 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5029 Remove reference to winnt.h in comment.
5030 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5032 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5034 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5035 used to set another biv.
5037 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5039 * tree.h (BLOCK_DEAD): New macro.
5040 (struct tree_block): New flag, dead_flag.
5041 * print-tree.c (print_node, case 'b'): Print missing fields.
5042 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5043 * function.c (identify_blocks): Enable test for misplaced notes.
5044 (all_blocks): Skip BLOCK_DEAD blocks.
5045 * integrate.c (integrate_decl_tree): Likewise.
5047 * errors.c (internal_error, trim_filename): New functions.
5048 (fancy_abort): Call internal_error.
5049 * errors.h (internal_error, trim_filename): New declarations.
5051 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5053 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5055 (EXTRA_CONSTRAINT): Formatting changes.
5057 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5059 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5061 2001-02-23 Per Bothner <per@bothner.com>
5063 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5064 so they can be called from java/jvspec.c.
5065 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5067 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5069 * i386.c (ix86_frame): New structure.
5070 (ix86_compute_frame_size): Kill.
5071 (ix86_compute_frame_layout): New.
5072 (ix86_save_reg): New.
5073 (ix86_can_use_return_insn_p): Use frame layout stuff.
5074 (ix86_expand_prologue): Likewise.
5075 (ix86_expand_epilogue): Likewise.
5076 (ix86_initial_elimination_offset): Likewise.
5077 (ix86_nsaved_regs): Use ix86_save_reg.
5078 (ix86_emit_save_regs): Likewise.
5080 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5082 * flow.c (find_sub_basic_blocks): New function.
5083 (split_block): Be ready for basic block introduced by CODE_LABEL.
5084 (commit_one_edge_insertion): Call find_sub_basic_block.
5086 * flow.c (make_edges): Add edge from entry for blocks starting with
5087 label having ALTERNATE_NAME
5089 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5091 * function.c (epilogue_done): Be ready for first basic block not
5092 containing PROLOGUE_END note.
5093 (reposition_prologue_and_epilogue_notes): Avoid placing
5094 PROLOGUE_END note between BASIC_BLOCK.
5096 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5098 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5100 2001-02-21 DJ Delorie <dj@redhat.com>
5102 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5103 check for current_function_has_nonlocal_goto from 1999-11-12.
5105 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5107 * diagnostic.c (trim_filename): No longer static.
5108 * toplev.h (trim_filename): Declare.
5109 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5110 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5111 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5112 (rtvec_check_failed_bounds): Likewise.
5113 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5115 * convert.c (convert_to_integer): Don't do unsigned unless result or
5116 both inputs are unsigned.
5118 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5121 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5123 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5125 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5127 * Makefile.in (resource.o): Add params.h dependence.
5128 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5129 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5130 * resource.c: Add dependence on params.h.
5131 (current_live_regs): Fix explanatory comment.
5132 (find_basic_block): Add new parameter to permit limiting search
5134 (mark_target_live_regs): Add new argument to find_basic_block call.
5135 (incr_ticks_for_insn): Likewise.
5137 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5139 * diagnostic.c (output_to_stream): Rename to
5140 output_buffer_to_stream. Loses the stream parameter.
5141 (init_output_buffer): Set diagnosic_buffer's stream.
5142 (flush_diagnostic_buffer): Adjust.
5143 (default_print_error_function): Likewise.
5144 (finish_diagnostic): Likewise.
5145 (verbatim): Likewise.
5147 * diagnostic.h (struct output_buffer): Add `stream' field.
5148 (output_buffer_attached_stream): New macro.
5150 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5152 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5153 check if either operand is divisible by C.
5154 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5155 If type is signed, consider negative numbers as well.
5157 2001-02-22 Richard Henderson <rth@redhat.com>
5159 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5160 reach .text instead of gp-relative relocs.
5161 * config/ia64/crtend.asm (.init): Likewise.
5163 2001-02-22 Andreas Jaeger <aj@suse.de>
5165 * extend.texi (C++ Attributes): Fix typo.
5167 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5169 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5170 functions, drop current_function_args_info.words test.
5171 (ia64_compute_frame_size): Mark syscall_linkage functions as
5172 using eight input registers.
5174 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5175 Bruce Korb <bkorb@gnu.org>
5177 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5178 * fixinc/README: Document how to convert sed substitutions
5179 to format style c_fix-es.
5180 * fixinc/fixincl.x: regen
5182 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5184 * gcc.c: Add comment explaining how to add a command-line option.
5185 Add title to specs language comment.
5187 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5189 * gcc.c (cc1_options): Add "-param".
5190 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5191 (option_map): Likewise.
5192 * toplev.c (display_help): Add entry for "--param".
5193 (independent_decode_option): Fix typographical error.
5195 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5196 Bernd Schmidt <bernds@redhat.com>
5197 Jan Hubicka <jh@suse.cz>
5199 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5200 (function_arg): Likewise.
5202 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5204 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5206 2001-02-21 Kazu Hirata <kazu@hxi.com>
5208 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5212 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5214 * flow.c (init_propagate_block_info): Canon address and use single_set
5215 for killing dead memory stores.
5217 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5219 * Makefile.in (reorg.o): Add params.h dependence.
5220 * params.def: Fix typographical error in comment.
5221 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5222 * params.h: Modify introductory comment.
5223 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5224 * reorg.c: Add dependence on params.h.
5225 (redundant_insn): Add parameterized throttle for search.
5226 (fill_simple_delay_slots): Add a comment explaining a variable.
5227 Move conditional out of loop, simplifying code.
5228 (fill_eager_delay_slots): Fix typographical error in comment.
5230 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5232 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5234 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5235 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5237 2001-02-21 Jason Merrill <jason@redhat.com>
5239 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5240 (struct tree_decl): Add uninlinable bitfield.
5241 * c-decl.c (duplicate_decls): Set it.
5242 * integrate.c (function_cannot_inline_p): Check it.
5244 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5245 DW_AT_MIPS_linkage_name to abstract methods.
5246 (dwarf2out_abstract_function): Emit class context before calling
5247 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5248 (gen_subprogram_die): Remove obsolete code.
5249 (gen_member_die): Don't include clones in the member list.
5250 (gen_decl_die): Emit abstract info for clone origin.
5251 * dwarfout.c (output_type): Don't include clones in the member list.
5252 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5253 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5254 DECL_ABSTRACT on a function that already has it set.
5256 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5257 (get_subprogram_die): Pass it in.
5259 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5261 * flow.c (mark_set_1): Make not_dead unsigned long. For
5262 non-pseudos, use it as a bitmask of the hard regs that
5265 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5267 * cppfiles.c: Update comments.
5268 (_cpp_read_file): Don't check for NULL filenames any more.
5269 * cppinit.c (cpp_start_read): Don't do canonicalization of
5270 in_fname and out_fname. Use the passed file name exclusively.
5271 (_cpp_handle_options): Don't treat "-" as a command line option,
5272 but as a normal filename.
5273 (_cpp_post_options): Canonicalize in_fname and out_fname.
5274 * cppmain.c (printer_init): Don't check out_fname for NULL.
5275 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5276 (init_c_lex): Update, and use "" to represent stdin to CPP.
5279 2001-02-20 Will Cohen <wcohen@redhat.com>
5281 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5282 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5283 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5286 2001-02-20 Stan Shebs <shebs@apple.com>
5288 * config/rs6000/rs6000.c (output_cbranch): Output branches
5289 on separate lines instead of using ';' to separate.
5291 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5293 * cppinit.c (set_lang): Move builtin handling to...
5294 (init_builtins): ...here.
5295 (_cpp_create_reader): Move call to set_lang.
5297 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5299 * stmt.c (expand_return): If an attempt is made to return the
5300 error_mar_node, treat the return like a return without a value.
5302 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5304 * sibcall.c (skip_copy_to_return_value): Call
5305 identify_call_return_value here, and return orig_insn if it
5306 returns zero. Hardret and softret arguments now unnecessary.
5307 (call_ends_block_p): Don't call identify_call_return_value here.
5309 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5311 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5312 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5314 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5316 * pa.c (move_operand): Accept code to load the address of a
5317 symbol out of the DLT as a valid move operand.
5318 (print_operand, case 'A'): New to handle generating a DLT
5319 reference for a LO_SUM expression.
5320 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5321 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5323 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5325 * README, cpp.texi, gcc.texi, version.c: Update version number to
5327 * cpp.1, gcov.1, gcc.1: Regenerate.
5329 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5331 * cppfiles.c (stack_include_file): Generate dependencies
5332 here, and manage include_count here too.
5333 (PRINT_THIS_DEP): Delete.
5334 (_cpp_execute_include): Do not generate dependencies here,
5335 apart from the case of a missing header. Do not manage
5337 (_cpp_read_file): Leave dependency generation to
5340 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5342 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5343 target_cpu_default. Remove dead assignment to
5346 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5348 * regclass.c (contains_reg_of_mode): Make global.
5349 (init_reg_sets): Remove contains_reg_of_mode; take into account
5350 CLASS_MAX_NREGS when looking for the proper mode.
5351 (dump_regclass): Dump only classes considered for the pseudo.
5352 (regclass): Use contains_reg_of_mode.
5354 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5356 * gcc.c (do_spec_1): 'n' for printing notices.
5357 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5359 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5361 * reg-stack.c (next_flags_user): Use current_block->end
5362 (swap_rtx_condition): Look for next user if flags don't die;
5363 give up on CALL_INSNs; use current_block->end.
5365 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5367 * sibcall.c (call_ends_block_p): New function.
5368 (optimize_sibling_and_tail_recursive_call): Use it.
5370 2001-02-18 Kazu Hirata <kazu@hxi.com>
5372 * config/h8300/h8300.md: Update copyright.
5373 (andsi3): Do not output an extra newline character.
5375 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5377 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5378 FNDECL may be unused.
5380 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5381 follow jumps after first run.
5382 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5383 it doesn't change any jumps.
5385 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5387 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5388 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5389 (mostlyclean): Corresponding changes.
5390 * rtlanal.c (hard-reg-set.h): Include.
5391 (rtx_unstable_p): Do not treat the argument pointer specially
5392 if it is not a fixed register.
5393 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5395 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5397 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5398 against last real insn in basic block.
5399 Rework to avoid gotos.
5401 * Makefile.in (gcse.o): Now includes ggc.h.
5402 * gcse.c: Include ggc.h.
5403 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5404 (try_replace_reg): Remove warning of uninitialize variable.
5405 (process_insert_insn): Call invalid_insn_p to validate insn.
5406 * recog.c (insn_invalid_p): Now global.
5407 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5408 * recog.h (insn_invalid_p): New declaration.
5410 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5412 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5413 assignments from FP constants since 'Y' output code can't handle it.
5414 (eligible_for_sibcall_delay): Likewise.
5416 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5417 Call fancy_abort directly, passing args.
5418 (print_rtl_and_abort): Now a macro, like fancy_abort.
5420 * final.c (output_operand_lossage): Use internal_error, not error.
5422 2001-02-18 Shane Nay <shane@agendacomputing.com>
5424 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5425 structure shift insns.
5427 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5429 * invoke.texi (-fsquangle): Remove documentation.
5430 (-fname-mangling-version): Likewise.
5432 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5434 * optabs.c (expand_abs): Remove reference to
5435 HAVE_contitional_arithmetic.
5436 * combine.c (simplify_set): Likewise.
5438 2001-02-18 Richard Henderson <rth@redhat.com>
5440 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5443 2001-02-18 Richard Henderson <rth@redhat.com>
5445 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5447 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5449 * reload1.c (reload_cse_simplify_set): Fix typo.
5451 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5453 * diagnostic.c (_fatal_insn): Decrement errorcount.
5455 * invoke.texi (-I): Add note avoiding use for system header files.
5457 * rtl.h (add_clobbers): Remove duplicate declaration.
5458 * recog.h (added_clobbers_hard_reg_p): New declaration.
5459 * genemit.c (struct clobber_pat): New field has_hard_reg.
5460 (gen_insn): Record if added clobbers clobber hard reg.
5461 (gen_split): Avoid unused warning if number of operands is 0.
5462 (output_added_clobbers_hard_reg_p): New function.
5465 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5467 * pa.c (hppa_expand_prologue): Simplify code storing return
5468 pointer. For large (>=8k) frames with a post_store, adjust stack
5469 pointer by 8k-64 first rather than by 64. When testing with
5470 VAL_14_BITS_P, always use the actual value rather than the value
5471 negated. Add blockage to prevent scheduling of spills before
5472 stack frame has been created.
5473 (hppa_expand_epilogue): Simplify code loading return pointer.
5474 Allow a slightly larger range for merge_sp_adjust_with_load case.
5475 When testing with VAL_14_BITS_P, always use the actual value.
5477 * pa.c (pa_adjust_insn_length): Check that block move
5478 pattern is a set before looking at operands.
5480 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5482 * fold-const.c (fold_binary_op_with_conditional_arg): New
5483 function, split out from ...
5485 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5486 conditional arms that throw exceptions.
5488 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5491 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5493 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5494 define HAVE_DECL_* to 1 to mask potential backup declarations.
5495 * configure: Regenerated.
5497 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5499 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5501 2001-02-17 Richard Henderson <rth@redhat.com>
5503 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5504 when replacing a memory load with a register.
5506 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5507 Jan Hubicka <jh@suse.cz>
5509 * recog.c (validate_replace_src_1): New.
5510 (validate_replace_src_data): Likewise.
5511 (validate_replace_src): Use note_uses.
5512 * rtl.h (note_uses): Declare.
5513 * rtlanal.c (note_uses): New.
5515 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5517 * reg-stack.c (stack_def): Make field reg unsigned.
5518 (remove_regno_note): Unsignetize parameter.
5520 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5522 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5523 shladd_operand() call.
5525 2001-02-16 Bruce Korb <bkorb@gnu.org>
5526 Rodney Brown <RodneyBrown@mynd.com>
5528 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5529 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5530 machine restrictions
5531 * fixinc/fixincl.x: regen
5533 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5535 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5537 (hash_scan_insn): Clean up calls to hash_scan_set.
5538 (compute_kill_rd): REGNO now unsigned.
5539 (try_replace_reg): Rework to use simplify_replace_rtx.
5540 (cprop_jump, cprop_cc0_jump): Likewise.
5541 (cprop_insn): Call find_reg_equal_equiv_note.
5542 Reflect changes to cprop_jump and cprop_cc0_jump.
5544 * recog.c (validate_replace_src): Replace in operands of
5545 ZERO_EXTRACT in SET_DEST.
5547 * cse.c (new_label_ref): New variable.
5548 (insert): Set it instead of recorded_label_ref.
5549 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5550 CODE_LABEL for this function, and not already in REG_LABEL note.
5552 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5554 * resource.c (mark_referenced_resources): Fix typo in introductory
5556 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5559 2001-02-16 Jason Merrill <jason@redhat.com>
5561 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5563 (gen_subprogram_die): Don't abort on seeing a second definition if
5564 the previous one was abstract. Don't replace an abstract instance
5565 in the lookup table.
5567 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5568 gen_abstract_function.
5569 * dwarf2out.h: Declare it.
5570 * toplev.c (note_outlining_of_inline_function): New fn.
5571 * toplev.h: Declare it.
5572 * integrate.c (output_inline_function): Call it.
5573 * c-decl.c (duplicate_decls): Call it when redefining an extern
5574 inline. Don't inline the new defn.
5576 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5578 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5580 * .gdbinit: Rename to gdbinit.in.
5581 * gdbinit.in: New file,
5582 * configure.in: Generate .gdbinit from gdbinit.in.
5583 * configure: Regenerated.
5584 * Makefile.in (distclean): Always remove .gdbinit.
5586 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5588 * objc/objc-act.c (start_class): Register implemented_classes with
5591 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5593 * cppfiles.c (_cpp_make_system_header): Generate a file
5596 2001-02-15 Jim Meyering <meyering@lucent.com>
5598 * Makefile.in (install-common): Don't depend on installdirs here.
5599 Instead, make each of the lang.install-common targets (e.g.,
5600 c++.install-common in cp/Make-lang.in) depend on it.
5601 (install-driver): Depend on installdirs.
5603 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5605 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5607 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5610 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5612 * invoke.texi (--param): Document.
5614 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5616 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5618 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5620 * i386.md (extendsfdf2_2): Fix constraints.
5622 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5624 * i386.md (fop_df_3 splitter): Fix operand number.
5626 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5628 * invoke.texi (-mreg-alloc): Nuke.
5629 * i386.c (ix86_reg_alloc_order, regs_allocated,
5630 order_regs_for_local_alloc): Nuke.
5631 (override_options): Kill reg_alloc code.
5632 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5633 (REG_ALLOC_ORDER): SSE goes before I387.
5634 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5635 (ix86_reg_alloc_order): Likewise.
5636 * i386-protos.h (ix86_reg_alloc_order): Kill.
5638 2001-02-14 Richard Henderson <rth@redhat.com>
5640 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5642 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5644 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5646 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5648 * i386-protos.h (ix86_memory_move_cost): Move offline.
5649 * i386.c (ix86_register_move_cost): Compute properly cost of
5650 SSE, MMX and i387 instructions.
5651 (*_cost): Add costs of SSE/MMX moves.
5652 (ix86_memory_move_cost): Move offline from ....; Likewise.
5653 * i386.h (MEMORY_MOVE_COST): .... here;
5654 (struct processor costs): Add new fields to represent costs
5657 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5659 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5660 move_cost together with Matt Kraai's fix.
5662 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5664 * Makefile.in (OBJS): Add params.o.
5666 2001-02-14 Richard Henderson <rth@redhat.com>
5667 DJ Delorie <dj@redhat.com>
5669 * jump.c (jump_optimize_1): When we delete a conditional jump
5670 preceeding a non-conditional jump to effectively the same place,
5671 make sure that the combined jump skips any clobber insns between
5674 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5676 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5678 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5680 * Makefile.in (toplev.o): Depend on params.h.
5681 (intergate.o): Likewise.
5682 (params.o): New target.
5683 * flags.h (inline_max_insns): Remove.
5684 * integrate.c: Include params.h.
5685 Use MAX_INLINE_INSNS instead of inline_max_insns.
5686 * params.c: New file.
5687 * params.h: Likewise.
5688 * params.def: Likewise.
5689 * toplev.c: Include params.h.
5690 (lang_independent_params): New variable.
5691 (decode_f_option): Use the param machinery instead of setting
5693 (independent_decode_option): Handle "--param name=value".
5694 (main): Register language-independent parameters.
5696 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5698 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5700 2001-02-14 Richard Henderson <rth@redhat.com>
5702 * regclass.c (init_reg_sets_1): Revert last two changes.
5704 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5706 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5707 (variable_size): Call put_pending_size.
5708 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5709 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5710 sizes list, put newly created SAVE_EXPR there as well.
5712 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5714 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5715 (errata_find_address_regs): load_group has only 2 entries.
5716 (errata_emit_nops): Likewise. shladd is not problematic.
5717 Clear last_group if nop was emitted.
5718 (fixup_errata): load_group has only 2 entries.
5721 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5723 * c-lex.c (lex_number): Only warn traditionally for U suffix
5724 outside system macros.
5725 * cppexp.c (parse_number): Similarly.
5726 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5727 * cppmacro.c (struct cpp_macro): New member node.
5728 (parse_args): Only warn about missing rest args if not
5730 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5731 (cpp_sys_objmacro_p): New.
5732 (_cpp_create_definition): Store the node with the macro defn.
5733 Remember if the macro is defined in a system header.
5735 2001-02-13 DJ Delorie <dj@redhat.com>
5737 * configure.in (check_languages): determine languages to check
5738 * Makefile.in (check-c++): alias for check-g++
5739 (check-f77): alias for check-g77
5740 (CHECK_TARGETS): depend on configured languages
5742 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5744 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5745 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5746 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5747 (sqrtextendsfdf2): Disable for SSE2.
5749 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5751 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5752 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5753 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5754 (sqrtextendsfdf2): Disable for SSE2.
5756 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5758 * i386.md (movsfcc_1): Support integer cmove instruction.
5759 (movdfcc_1): Likewise; new splitter.
5761 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5763 * i386.c (output_fp_compare): Support SSE.
5764 (prepare_fp_compare_args): SSE comparisons always support memory.
5765 * i386.h (TARGET_CMOVE): SSE imply cmove.
5766 * i386.md (cmp?f2): Enable for SSE too.
5767 (cmpfp_i*): Support SSE.
5769 (cmpfp_i_sse_only): New.
5770 (s*, b* fp expanters): Enable for SSE too.
5771 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5774 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5776 * regclass.c (init_reg_sets_1): Silence warning.
5778 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5780 * i386.md (sqrt?f2): Change to expander.
5781 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5783 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5785 * rtlanal.c (find_reg_equal_equiv_note): New function.
5786 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5787 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5788 * rtl.h: Add declarations for above functions.
5790 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5792 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5794 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5795 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5796 * flow.c (mark_regs_live_at_end): Likewise.
5797 (calculate_global_regs_live): Likewise.
5798 * gcse.c (compute_hash_table): Likewise.
5799 (compute_kill_rd): Likewise.
5800 * resource.c (mark_target_live_regs): Likewise.
5801 * rtl.h (INVALID_REGNUM): New macro.
5803 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5805 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5807 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5809 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5812 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5814 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5816 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5817 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5818 (fop_sf_1_sse, fop_df_1_sse): New patterns
5819 (fop_*): Disable float_extend and float patterns for SSE compilation.
5820 * i386.c (output_387_binary_op): Support SSE.
5822 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5824 * i386.md (dummy_extendsfdf2): Support SSE2
5825 (extendsfdf2): Enable if 80387 or SSE2.
5826 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5827 and no MIX_I387_SSE2
5828 (extendsfdf2_1_sse_only): New pattern.
5829 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5831 (truncdfsf2_1): Support SSE.
5832 (truncdfsf2_2): Support SSE.
5833 (truncdfsf2_2_1_sse): New pattern.
5834 (fixtruncsfsi2): Always use SSE if available.
5835 (fix_truncsfsi_sse): New pattern.
5836 (fix_truncdfsi_sse): New pattern.
5837 (floatsis?f2): Support SSE.
5838 (floatsidf2_i387): New pattern.
5839 (floatsidf2_sse): Likewise.
5841 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5843 * configure.in: Use "have_gnat" variable, not "gnat".
5844 * configure: Regenerated.
5846 * config/sparc/sparc.c (function_value): Treat all non-record
5847 aggregate types like used to treat UNION_TYPE.
5849 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5851 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5852 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5854 (MASK_MIX_SSE_I387): New.
5855 (TARGET_SSE): SSE2 imply SSE.
5856 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5857 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5858 (enum reg_class): Add new classes.
5859 (REG_CLASS_NAMES): Likewise.
5860 (REG_CLASS_CONTENTS): Likewise.
5861 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5862 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5863 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5864 (CLASS_MAX_NREGS): Use new macros.
5865 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5866 * i386.md (pushsf, movsf): Support SSE.
5867 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5868 splitters to use ANY_FP_REGNO_P.
5869 (movdf_nointeger, movdf_integer): Likewise.
5871 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5873 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5874 (try_combine): Use it.
5876 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5878 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5879 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5880 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5881 (REGISTER_MOVE_COST): Likewise.
5882 * i386-protos.h (ix86_secondary_memory_needed,
5883 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5884 * i386.c (ix86_secondary_memory_needed,
5885 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5887 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5889 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5890 (HARD_REGNO_MODE_OK): Move offline to ....
5891 * i386.c (ix86_hard_regno_mode_ok) ... here;
5892 refuse all incorrect modes.
5893 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5895 2001-02-13 Richard Henderson <rth@redhat.com>
5897 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5898 entire operator; replicate that and match_dup the operands.
5899 (cmp_ccx_arith_op_set): Likewise.
5900 (cmp_cc_arith_op_not_set): Likewise.
5901 (cmp_ccx_arith_op_not_set): Likewise.
5903 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5905 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5907 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5909 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5910 (TARGET_NO_BITFIELD_WORD): New macro.
5911 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5912 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5914 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5916 * cselib.c: New file, from simplify-rtx.c.
5917 * simplify-rtx.c: Remove cselib parts.
5918 * Makefile.in: Add cselib.o.
5920 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5922 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5923 (setup_incoming_varargs): Remove warning.
5925 * config/rs6000/rs6000.c (validate_condition_mode): When
5926 flag_fast_math, allow floating-point conditionals to be reversed.
5927 (rs6000_generate_compare): When flag_fast_math, don't generate
5928 cror operations for FP conditionals.
5930 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5932 (ASM_SPEC): Likewise.
5933 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5934 (CC1_SPEC): Likewise.
5935 (LINK_TARGET_SPEC): Likewise.
5936 (CPP_ENDIAN_SPEC): Likewise.
5937 * Makefile.in (check-consistency): New target.
5939 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5941 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5942 "return type defaults" warning for functions with return type
5944 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5945 function declarations by default rather than only when pedantic.
5947 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5949 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5952 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5954 * extend.texi (Deprecated): Deprecate new initializer lists.
5956 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5958 * mkdeps.c (deps_add_default_target): Robustify. Add
5959 basename component only.
5960 * cpp.texi (-M): Describe how default target is generated.
5961 * invoke.texi (-M): Likewise.
5963 2001-02-12 Kazu Hirata <kazu@hxi.com>
5965 * toplev.c (push_float_handler): Remove.
5966 (pop_float_handler): Remove.
5967 * toplev.h: Remove prototypes for the above functions.
5969 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5971 * c-common.c (constant_fits_type_p): New function.
5972 (convert_and_check): Use it.
5974 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5976 * Makefile.in (GXX_ABI_FLAG): Don't define.
5977 * configure.in (--enable-new-gxx-abi): Remove option.
5978 * config.in: Regenerated.
5979 * configure: Likewise.
5981 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5983 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5985 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5986 regular basic block, and arrange for all edges into it to switch
5989 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5991 * Makefile.in (distclean): Do not remove .gdbinit.
5993 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5995 * Makefile.in (gcc.o): Fix typos.
5996 (protize.o): Likewise.
5997 (unprotoize.o): Likewise.
5999 2001-02-11 Richard Henderson <rth@redhat.com>
6001 * tree.c (build1): Check for null operand in last change.
6003 2001-02-11 Richard Henderson <rth@redhat.com>
6005 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6006 (fold): Don't assume a constant isn't foldable.
6007 * tree.c (build): Set TREE_CONSTANT for an expression with no
6008 side-effects and constant operands.
6011 2001-02-10 Richard Henderson <rth@redhat.com>
6013 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6015 2001-02-10 Anthony Green <green@redhat.com>
6017 * cpp.texi (Standard Predefined): Add documentation for
6020 * c-common.c (combine_strings): Improve warning message.
6022 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6024 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6026 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6028 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6030 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6033 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6035 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6038 2001-02-09 Nick Clifton <nickc@redhat.com>
6040 * config/arm/arm.md: Change output contraint on post inc
6041 load/store multiple patterns to be a read/write contraint.
6043 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6045 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6046 .o files when using the -M options.
6048 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6049 David Edelsohn <edelsohn@gnu.org>
6051 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6052 handle DImode constants. Use one TOC entry for SImode and smaller
6053 constants, aligned properly.
6055 2001-02-08 Jason Merrill <jason@redhat.com>
6057 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6058 about the SP adjustment for saving the static chain pointer.
6059 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6060 offset when setting a temporary CFA register.
6062 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6064 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6065 powerpc-*-chorusos* .
6066 * config/rs6000/chorus.h : New file.
6067 * config/i386/chorus.h : New file.
6068 * config/sparc/chorus.h : New file.
6069 * config/sparc/t-chorus-elf : New file.
6071 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6073 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6074 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6075 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6076 (__WCHAR_TYPE__): Correct macro name.
6078 2001-02-08 Richard Henderson <rth@redhat.com>
6080 * config/i386/i386.c (ix86_frame_pointer_required): New.
6081 (ix86_setup_frame_addresses): New.
6082 (struct machine_funciton): Add accesses_prev_frame.
6083 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6084 ix86_frame_pointer_required.
6085 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6086 (SETUP_FRAME_ADDRESSES): New.
6087 * config/i386/i386-protos.h: Update.
6088 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6089 from FRAME_POINTER_REQUIRED.
6090 * config/i386/svr3gas.h: Likewise.
6091 * config/i386/sysv3.h: Likewise.
6092 * config/i386/v3gas.h: Likewise.
6094 2001-02-08 Richard Henderson <rth@redhat.com>
6096 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6097 calculation of the number of integer registers required.
6098 (function_arg_record_value): Likewise.
6100 2001-02-08 Jason Merrill <jason@redhat.com>
6102 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6103 two. Print file and line with "confused" message.
6105 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6107 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6109 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6111 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6113 * final.c (cleanup_subreg_operands): The address of a MEM can
6116 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6119 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6121 * gcc.texi (Incompatibilities): Update documentation of
6122 preprocessing numbers.
6124 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6126 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6128 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6130 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6132 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6133 * gcc.c (struct compiler): Add cpp_spec field.
6134 (input_file_compiler): New variable.
6135 (do_spec_1): Allow a particular compiler to handle `%C'
6137 (main): Store the current compiler in input_file_compiler.
6138 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6140 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6142 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6143 * cppinit.c (cpp_create_reader): Initialize them.
6144 (append_include_chain): cxx_aware arg might be unused.
6145 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6146 keywords and give them their phase 7 meaning. Pedwarn about
6147 this unless '__bool_true_false_are_defined' is defined.
6149 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6151 * lcm.c (optimize_mode_switching): Emit mode_set before the
6152 JUMP_INSN of an abnormal edge.
6154 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6156 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6157 a scheduling barrier at the end.
6159 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6161 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6163 * config/sh/sh.md (reload_outsf): Removed.
6164 (movsf_ie): Introduce constraints for FPUL loads and stores.
6165 (reload_insf): Broaden the output constraint.
6167 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6169 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6170 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6172 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6174 * final.c: Revert my previous changes.
6175 * output.h: Make profile_label_no extern.
6176 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6177 for generating label.
6179 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6181 * config/i386/djgpp.h: Add comments about standard paths.
6182 (MD_EXEC_PREFIX): Undefine before defining.
6183 (MD_STARTFILE_PREFIX): New.
6185 2001-01-30 Bruce Korb <bkorb@gnu.org>
6187 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6188 (load_file): do not rely on load_file_data() to close file pointer
6189 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6190 fixinc/inclhack.def(irix_limits_const): add test_text
6192 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6194 * cppexp.c (parse_defined): Improve diagnostics for invalid
6197 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6199 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6201 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6203 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6204 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6205 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6206 (rs6000_output_symbol_ref): New function.
6207 (output_toc): Use VTABLE_NAME_P.
6209 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6211 * print-tree.c (print_node, case PARM_DECL):
6212 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6214 * stor-layout.c (reference_types_internal): New variable.
6215 (internal_reference_types): New function.
6216 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6217 * tree.h (internal_reference_types): New declaration.
6219 * cse.c (find_best_addr): Fix typo in computing cost.
6221 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6223 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6224 and this is the sum of a pointer and a constant, we know the result
6226 (num_sign_bit_copies, case PLUS): Likewise.
6227 * explow.c (convert_memory_address): Remove opposite SUBREG.
6228 * function.c (instantiate_new_reg): New function (from common code).
6229 (instantiate_virtual_regs_1): Call it.
6230 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6231 if pointers sign- or zero-extend.
6232 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6233 If pointers extend unsigned, use inside of SUBREG.
6234 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6236 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6238 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6239 subdir of gcc_gxx_include_dir.
6240 (gcc_gxx_target_include_dir): Remove.
6242 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6244 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6245 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6246 a high-level description.
6248 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6250 * final.c: Move the declaration of profile_label_no to ...
6251 * output.h: ... here.
6252 * function.c (expand_function_start): Call PROFILE_HOOK.
6253 * config/rs6000/aix.h: Define PROFILE_HOOK.
6254 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6255 * config/rs6000/rs6000.c (output_profile_hook): Define.
6256 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6257 output_profile_hook.
6258 tm.texi : Explain new macro PROFILE_HOOK.
6260 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6262 * extend.texi (Extended Asm): Do not say that semicolon is always
6263 a valid line-breaking character for GNU assemblers. Use
6264 newline-tab as the most commonly supported syntax. Use
6265 newline-tab rather than semicolon in multi-insn examples.
6267 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6269 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6271 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6272 David Edelsohn <edelsohn@gnu.org>
6274 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6275 code for AIX, even without flag_pic.
6277 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6279 * c-typeck.c (common_type): push and pop binding level around
6280 calling common_type on function parameters.
6282 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6284 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6286 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6288 * config/mips/mips.c (override_options): Fix typo in last change.
6289 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6290 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6292 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6294 * invoke.texi (-fdump-class-layout): Document.
6295 (-fdump-translation-unit): Use `=' as filename separator.
6297 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6299 * Makefile.in (s-mlib): Don't build multilibs if
6301 (DRIVER_DEFINES): Adjust accordingly.
6303 (protoize.o): Likewise.
6304 (unprotoize.o): Likewise.
6305 * configure.in: Recognize --enable-multilib.
6307 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6309 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6311 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6312 * configure.in: Remove --enable-libstdcxx_v3 support.
6313 * configure: Regenerated.
6315 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6317 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6318 Call abort instead of fatal.
6319 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6320 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6321 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6322 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6323 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6324 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6326 * diagnostic.h (set_internal_error_function): Renamed.
6327 * toplev.h (internal_error): Renamed from fatal.
6328 (pfatal_with_name): Deleted.
6329 (fatal_io_error): Now has printf-style arguments.
6330 * diagnostic.c (pfatal_with_name): Deleted.
6331 (fatal_io_error): Rework to have args in printf-style.
6332 (set_internal_error_function): Renamed from set_fatal_function.
6333 (internal_error): Renamed from fatal.
6334 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6335 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6336 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6337 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6338 * flow.c (verify_flow_info): Likewise.
6339 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6340 * config/mips/mips.c (save_restore_insns): Likewise.
6342 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6343 * flow.c (verify_flow_info): Likewise.
6344 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6345 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6346 (avr_normalize_condition): Likewise.
6347 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6348 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6349 (limit_reload_class, double_reg_to_memory): Likewise.
6350 (print_operand_address, emit_1600_code_shift): Likewise.
6351 (gen_tst_reg, gen_compare_reg): Likewise.
6352 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6353 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6355 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6357 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6358 * objc/objc-act.c (build_ivar_chain): Likewise.
6359 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6361 * graph.c (clean_graph_dump_file): Likewise.
6362 * profile.c (init_branch_prob): Likewise.
6363 * objc/objc-act.c (objc_init): Likewise.
6365 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6366 * config/avr/avr.c (avr_override_options): Likewise.
6367 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6368 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6369 * config/h8300/h8300.c (h8300_init_once): Likewise.
6370 * config/mips/mips.c (override_options): Likewise.
6371 * config/i386/i386.c (override_options): Likewise, rework.
6372 * config/m68k/m68k.c (override_options): Likewise.
6374 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6376 * config/mips/mips.c (print_operand): Likewise.
6377 * hash.c (hash_allocate): Don't check for failure returns from
6378 obstack functions that can't fail.
6379 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6380 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6381 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6382 (get_object_reference): Likewise.
6384 2001-02-04 Nick Clifton <nickc@redhat.com>
6386 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6387 StrongARM1110, 10TDMI, and 1020T.
6389 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6391 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6393 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6395 * config/sh/sh.md (movdf load split): Pass register number to
6396 FP_OR_XD_REGISTER_P.
6398 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6400 * cppinit.c (BC): New macro.
6401 (builtin_array): Add __GXX_WEAK__.
6402 * cpplib.h (builtin_type): Add BT_WEAK.
6403 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6404 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6405 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6407 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6409 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6411 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6413 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6414 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6416 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6418 * cpphash.h: Rename ALIGN _ALIGN.
6419 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6421 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6423 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6424 compilation environment.
6425 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6426 control over location of cygwin includes and libs.
6428 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6430 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6432 2001-02-02 lars brinkhoff <lars@nocrew.org>
6434 * md.texi (Standard Names): remove reference to spur.md.
6436 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6438 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6439 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6440 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6441 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6442 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6444 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6446 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6447 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6448 number before reload.
6449 (c4x_adjust_cost): Return zero before reload.
6450 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6451 split before reload.
6453 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6455 * c4x.c (c4x_hard_regno_rename_ok): New.
6456 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6457 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6459 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6461 * diagnostic.h: Add missing "extern" in all declarations.
6463 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6465 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6466 as for gcc_gxx_include_dir.
6468 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6470 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6472 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6474 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6475 label before alignment to be used as the braf base address.
6476 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6478 (casesi_jump_2): Require at least TARGET_SH2.
6480 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6481 truncation to 32-bit doubles on -m3e and -m4-single-only.
6483 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6485 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6486 the default when building a shared object.
6487 (init_spec): Use it.
6488 * testsuite/lib/g++.exp: Include the directory where libgcc
6489 is located to the LD_LIBRARY_PATH list.
6490 * invoke.texi (-shared-libgcc): Document the cases in which
6491 GCC defaults to using the shared libgcc.
6493 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6495 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6496 unsigned is wide enough.
6498 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6499 (si_to_float): Likewise.
6500 (float_to_si, float_to_usi): Use BITS_PER_SI.
6502 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6504 * dwarf2out.c: Added explanation of abbreviations.
6505 (def_cfa_1): Added comments listing DWARF2 instructions.
6506 (cfa_temp_reg): Removed in favor of cfa_temp.
6507 (cfa_temp_value): Removed in favor of cfa_temp.
6508 (cfa_temp): New global variable.
6509 (dwarf2out_frame_debug_expr): Added extensive introductory
6510 comments explaining the function's transformations. Revised to
6511 use cfa_temp. Added some rtx checking. Generalize IOR case.
6512 (dwarf2out_frame_debug): Revised to use cfa_temp.
6513 (output_aranges): Cast as "unsigned" to avoid warning.
6514 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6515 explain which instructions must be marked.
6517 2001-02-01 Richard Henderson <rth@redhat.com>
6519 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6522 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6524 * config/sh/crt1.asm (main_k): Modified so that start calls
6525 ___setup_argv_and_call_main.
6527 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6529 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6530 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6531 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6532 * cppmacro.c (builtin_macro): Set builtin flags here.
6533 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6534 (replace_args): Clarify intent.
6535 (cpp_get_token): Macro expansion tokens get the saved flags.
6537 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6540 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6542 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6545 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6547 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6548 returns Pmode pseudo, but we need ptr_mode.
6549 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6550 Remove bogus conversions; use HOST_WIDE_INT for size.
6551 Don't use TARGET if wrong mode.
6553 * config/i386/i386.c (ix86_compute_frame_size): Allow
6554 stack_alignment_needed to be non-default even if size is zero.
6556 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6558 * pa.c (hppa_init_pic_save): New function.
6559 * pa.h (hppa_init_pic_save): Declare.
6560 * pa.md (call, call_value, sibcall, sibcall_value): Use
6561 the above instead of duplicated code.
6563 * pa.c (hppa_encode_label): Correct size of alloca buffer
6564 so we don't overrun it. Correct leading `*' case.
6565 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6566 need to handle `*@'.
6567 (FUNCTION_NAME_P): Likewise.
6569 2001-01-31 Richard Henderson <rth@redhat.com>
6571 * config.gcc (alpha-osf5): Use float-i128.h.
6573 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6574 * config/float-i32.h: Likewise.
6575 * config/float-i64.h: Likewise.
6576 * config/float-sh.h: Likewise.
6577 * config/float-sparc.h: Likewise.
6579 2001-01-31 DJ Delorie <dj@redhat.com>
6581 * expmed.c (extract_bit_field): allow non-integral modes if we
6582 want to extract a whole register from itself.
6584 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6586 * c-typeck.c (set_init_index): If first is equal to last, assume as
6587 if it was not a range at all.
6589 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6591 * config/fp-bit.c: Include tm.h.
6592 (float_to_si): Don't assume SImode is 32-bits wide.
6593 (float_to_usi): Likewise.
6595 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6597 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6599 (typename): Call pending_xref_error after parsing typed_typespecs.
6600 * c-decl.c (lookup_tag): Give error immediately rather than
6601 leaving it pending if the tag of the wrong type is in the same
6603 (xref_tag): Don't pedwarn for forward declarations of enum types
6605 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6608 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6610 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6612 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6614 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6615 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6617 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6619 * cpphash.h (struct cpp_reader): New saved_flags.
6620 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6621 to avoid a paste after a pasted token.
6623 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6625 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6626 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6627 Wtype_MIN instead of LONG_MIN.
6629 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6631 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6633 * fixinc/fixincl.x: Regenerated.
6634 * fixinc/inclhack.def (irix_limits_const): New definition to
6635 convert "const" to "__const" in limits.h.
6637 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6639 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6641 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6643 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6644 when register dies in the insn.
6646 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6648 * diagnostic.c (fatal): Fix word wrap.
6650 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6652 * combine.c (try_combine): Fix SUBREG setting for
6653 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6655 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6657 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6660 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6662 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6664 * toplev.c (decode_W_option): Update warn_larger_than
6665 unconditionally for each processed switch.
6667 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6669 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6671 (hppa_expand_prologue): Delete code to save pic offset table register
6672 in the function prologue.
6673 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6674 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6675 table register at the beginning of the function after the prologue.
6677 2001-01-29 lars brinkhoff <lars@nocrew.org>
6679 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6681 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6682 Jeff Law <law@redhat.com>
6684 * pa.md (return): Revise comment for trivial return.
6685 (return_internal): Non-trivial return pattern for non-PIC code.
6686 (return_internal_pic): Non-trivial return pattern for PIC code.
6687 It uses the PIC register to ensure it is restored after
6689 (epilogue): Generate appropriate return for PIC and non-PIC code.
6691 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6693 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6695 2001-01-29 DJ Delorie <dj@redhat.com>
6697 * combine.c (if_then_else_cond): Pass the correct mode to
6698 operand_subword() for constants.
6700 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6702 * config/i386/cygwin.h: Add w32api to include search. Search different
6703 directories in a cross-build environment.
6705 2001-11-29 Tim Josling <tej@melbpc.org.au>
6707 * tree.h (TYPE_STUB_DECL): Add documentation.
6709 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6711 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6712 (sdbout_field_types): Likwise. Fix use of host_integerp.
6714 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6716 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6719 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6721 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6722 to use flag_gnu_linker.
6724 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6726 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6727 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6729 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6731 * tree.c, tree.h (build_parse_node): Remove; was identical to
6733 * c-lang.c (start_cdtor), objc/objc-act.c
6734 (build_module_descriptor): Use build_nt instead of
6737 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6739 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6740 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6741 not have any upper bits set.
6743 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6745 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6747 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6749 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6751 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6753 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6754 (integer_minus_one_node): Define.
6756 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6758 * Makefile.in (bootstrap2-lean): Fix typo.
6760 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6762 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6763 : Don't set fe_value.
6764 * cpplib.h (AVOID_LPASTE): New flag.
6765 (struct cpp_hashnode): Remove fe_value.
6766 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6767 * cppmacro.c (builtin_macro): Don't set flags here.
6768 (replace_args): Set AVOID_LPASTE flag on first token of an
6769 argument, and the token following it.
6770 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6771 macro expansion, and on the token following it. Do it for
6773 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6775 2001-01-27 Richard Henderson <rth@redhat.com>
6777 * config/alpha/t-ieee: Remove multilibbing.
6778 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6780 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6782 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6784 * Makefile.in: Remove all dependencies on defaults.h.
6785 * builtins.c: Don't include defaults.h.
6786 * c-common.c: Likewise.
6787 * c-decl.c: Likewise.
6788 * c-pragma.c: Likewise.
6789 * c-typeck.c: Likewise.
6790 * combine.c: Likewise.
6792 * frame-ia64.c: Likewise.
6793 * cppexp.c: Likewise.
6794 * crtstuff.c: Likewise.
6795 * dbxout.c: Likewise.
6796 * dwarf2out.c: Likewise.
6797 * dwarfout.c: Likewise.
6798 * emit-rtl.c: Likewise.
6799 * except.c: Likewise.
6801 * final.c: Likewise.
6802 * frame-dwarf2.c: Likewise.
6803 * libgcc2.c: Likewise.
6804 * optabs.c: Likewise.
6805 * profile.c: Likewise.
6806 * sdbout.c: Likewise.
6807 * toplev.c: Likewise.
6808 * tradcif.y: Likewise.
6810 * varasm.c: Likewise.
6812 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6814 * builtins.c (expand_builtin_fputs): Use size_one_node when
6815 transforming into fwrite.
6817 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6819 * extend.texi (Attribute Syntax): New section.
6821 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6823 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6824 they didn't need fixing.
6826 2001-01-27 Janis Johnson <janis@us.ibm.com>
6828 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6830 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6831 to remove macro definitions that are duplicated from elfos.h.
6833 2001-01-27 Richard Henderson <rth@redhat.com>
6835 * config/i386/sco5gas.h: Move ...
6836 * config/usegas.h: ... here.
6837 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6839 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6841 * c-typeck.c (struct constructor_stack): Add range_stack member.
6842 (really_start_incremental_init): Clear it.
6843 (push_init_level): Save constructor_range_stack and clear it if
6844 pushing explicit braces.
6845 (pop_init_level): abort if constructor_range_stack is non-zero at
6846 explicit closing brace. Restore saved constructor_range_stack if
6849 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6851 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6852 into register was forced into memory.
6854 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6856 * Makefile.in: Remove uses of + before $(MAKE).
6858 2001-01-26 Richard Henderson <rth@redhat.com>
6860 * stmt.c (cost_table): Remove.
6861 (COST_TABLE, cost_table_initialized): New.
6862 (estimate_case_costs): Use the later instead of the former.
6863 (balance_case_nodes): Likewise.
6865 2001-01-26 Richard Henderson <rth@redhat.com>
6867 * alias.c (objects_must_conflict_p): Read-only slots may not
6868 conflict despite having the same type.
6870 2001-01-27 Michael Hayes <mhayes@redhat.com>
6872 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6874 (check_ext_dependant_givs): Initialise u_start_val and
6876 (load_mems): Make last_max_reg unsigned.
6877 (try_swap_copy_prop): Use INSN_P and initialise set.
6879 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6881 * README.AVR : Removed.
6883 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6885 * pa-64.h (text_section): Remove declaration.
6887 * pa.md (return_internal): Remove mode on PIC register use.
6889 2001-01-25 lars brinkhoff <lars@nocrew.org>
6891 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6892 ASM_CLOSE_PAREN): fix typos.
6894 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6896 * acconfig.h: Define `const' to the empty string if neither
6897 __STDC__ nor __cplusplus is defined.
6898 * config.in: Regenerated.
6900 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6902 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6903 * collect2.c (main): Delete importf. Add ".obj" file extension.
6904 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6905 (aix_std_libs): Add additional AIX libraries to skip.
6906 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6907 * config/rs6000/aix51.h: New file.
6909 2001-01-25 Michael Hayes <mhayes@redhat.com>
6911 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6912 (loop_insn_emit_before): No longer static.
6913 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6914 (loop_givs_rescan, load_mems): Likewise.
6915 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6916 (maybe_eliminate_biv_1):
6917 (move_movables): Replace emit_call_insn_before with
6918 loop_call_insn_hoist.
6919 * loop.h (loop_insn_emit_before): Add.
6920 * unroll.c (copy_loop_body): Replace emit_insn_before with
6921 loop_insn_emit_before.
6923 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6925 * diagnostic.c (fatal): Request preprocessed source.
6927 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6929 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6930 olddecl has argument types and newdecl has none, use the argument
6933 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6935 * dwarf2out.c (prefix_of): New function. Determine longest common
6936 prefix of the two arguments. The units are whole path components.
6937 (output_file_names): When adding a new directory find the one entry
6938 with the longest common prefix already in the list. Artificially
6939 generate entry if there is none for this prefix.
6940 Fix test to check whether the zeroth directory entry is used.
6942 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6944 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6945 Changed all callers. Take it into account when deciding if a
6946 previously loaded value matches.
6948 2001-01-24 Richard Henderson <rth@redhat.com>
6950 * reload.c (find_reloads_subreg_address): Fail the substitution
6951 if the resulting address is insufficiently aligned.
6953 2001-01-24 DJ Delorie <dj@redhat.com>
6955 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6956 check the original operand's mode also.
6957 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6959 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6961 * c-parse.in (cast_expr): Move compound literals from here ...
6962 (primary): ... to here. Use standard terminology "compound
6963 literal" instead of "constructor expression".
6965 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6967 * gcc.1, cpp.1: Regenerate.
6969 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6971 * calls.c (emit_library_call_value_1): Memory slot for
6972 pass-by-reference argument should have the mode of the argument,
6973 not of the pointer to it.
6975 2001-01-24 Tom Tromey <tromey@redhat.com>
6977 * gcc.texi (G++ and GCC): Mention gcj manual.
6978 (Standards): Link to section of manual mentioning gcj/Java
6981 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6983 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6984 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6985 * tradcpp.c (main): Add -imacros or -include'd dependencies
6987 * cpp.texi (-M, -MM): Document -M -include behaviour.
6989 2001-01-24 Roger Collins <roger@ProProject.com>
6991 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6993 2001-01-24 Will Cohen <wcohen@redhat.com>
6995 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6996 whether registers are 32 bits or 64 bits in size.
6998 2001-01-24 Ben Elliston <bje@redhat.com>
7000 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7002 2001-01-24 Richard Henderson <rth@redhat.com>
7004 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7005 (builtin_longjmp): Use it instead of emit_indirect_jump.
7007 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7009 * bb-reorder.c (make_reorder_chain_1): Handle case where
7010 jump edge goes to the same block as the fallthru edge.
7012 2001-01-23 Jim Wilson <wilson@redhat.com>
7014 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7015 * frame.h (__ia64_personality_v1): Add prototype.
7016 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7017 prototype form. Add void * cast to first argument to personality
7019 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7020 (asctoe113): Likewise.
7021 * config/ia64/frame-ia64.c: Include eh-common.h.
7022 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7024 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7026 (itanium_split_issue): Add prototype.
7027 (gen_nop_type): Ifdef out.
7028 (find_best_packet): Initialize best_packet.
7029 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7031 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7032 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7033 (flushrs): Add explicit stop bit at end.
7034 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7037 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7039 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7041 * libgcc2.c (__terminate_func): Make variable static.
7042 (__terminate_set_func): New function to set __terminate_func.
7043 * libgcc2.h (__terminate_func_ptr): New typedef.
7044 (__terminate_set_func): New function.
7046 2001-01-23 Richard Henderson <rth@redhat.com>
7048 * flow.c (init_propagate_block_info): Don't consider unchanging
7049 memories for dead frame store elimination.
7051 2001-01-23 Richard Henderson <rth@redhat.com>
7053 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7054 * defaults.h: ... here.
7056 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7058 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7060 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7062 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7064 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7066 * rs6000.h (rs6000_return_addr): Move prototype from here...
7067 * rs6000-protos.h (rs6000_return_addr): ...to here.
7068 (rs6000_init_expanders): Delete prototype.
7070 2001-01-23 Nick Clifton <nickc@redhat.com>
7072 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7073 (Spec Files): Document %B and %j and %. and %v3 and %M and
7074 %{S*&T} spec switches.
7076 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7078 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7080 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7081 Neil Booth <neil@daikokuya.demon.co.uk>
7083 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7084 Have -Werror make pedantic warnings errors, like the
7087 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7089 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7091 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7093 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7094 * integrate.c (expand_inline_function): Initialize them.
7095 (subst_constants): If changing COMPARE so that both its arguments
7096 will be VOIDmode and the comparison mode will be lost, note
7097 compare_mode. Use the recorded compare_mode to optimize
7100 2001-01-23 Jason Merrill <jason@redhat.com>
7102 * dwarf2out.c (new_die): Use xcalloc.
7103 (output_die): Abort rather than emit a local reference to offset 0.
7105 2001-01-17 Andrew Haley <aph@redhat.com>
7107 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7108 of a saved register; return NULL instead.
7109 (copy_reg): Take a pointer to a source register rather than a
7111 (next_stack_level): Remember the address in the stack frame of all
7113 Use the saved register pointer array as the source of the CFA.
7114 (throw_helper): Rewrite. Unwind once rather than twice and keep
7115 track of saved registers as we go.
7117 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7119 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7120 * c4x.c (c4x_legitimize_reload_address): Remove.
7121 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7122 reload address for ldp(k) insn.
7124 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7126 * pa.md (return_internal): Add a USE of the PIC register to ensure
7127 it is restored after each call.
7128 (return expander): Corresponding changes.
7130 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7132 * rs6000.h (INIT_EXPANDERS): Delete.
7133 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7134 * rs6000.c (rs6000_override_options): Call *_machine_status from
7136 (rs6000_init_expanders): ...instead of here. Delete.
7137 (rs6000_mark_machine_status): New function.
7138 (rs6000_init_machine_status): Use xcalloc.
7139 (rs6000_return_addr): Generate RTX for the return address.
7140 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7141 (rs6000_stack_info): Use it.
7143 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7145 * gthr-win32.h: Include errno.h to get a declaration for
7146 EINVAL and _mingw.h if the target is mingw32.
7148 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7150 * cpp.texi: Correct typos.
7152 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7154 * explow.c (probe_stack_range): Ensure value passed to
7155 stack_check_libfunc is ptr_mode, not Pmode.
7157 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7159 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7160 case, don't use operand_subword to calculate a SUBREG that is
7163 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7165 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7167 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7168 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7169 valid. If not replace it by equivalent insns.
7171 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7173 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7174 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7175 (c4x_U_constraint, symbolic_address_operand): Likewise.
7176 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7178 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7179 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7180 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7181 anulling slot because of silicon bug.
7182 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7184 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7186 * cppexp.c (parse_charconst): Change `mask' type to agree
7189 2001-01-21 Richard Henderson <rth@redhat.com>
7191 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7192 pic_label_name in a linkonce section.
7194 2001-01-17 Philipp Thomas <pthomas@suse.de>
7196 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7198 * configure: Regenerate.
7200 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7202 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7203 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7205 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7207 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7208 If REVERSE nonzero then condition code in X must be reversed.
7209 (encode_section_info): Optimise if/else.
7210 (avr_function_value): Fix formatting.
7212 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7213 (difficult_branch): Likewise.
7214 (rvbranch): Likewise.
7215 (difficult_rvbranch): Likewise.
7217 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7219 * config/avr/libgcc.S: Fix comment.
7221 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7223 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7225 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7227 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7229 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7231 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7232 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7233 * configure, config.in: Regenerate.
7234 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7235 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7236 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7237 (doprint.o): New rule.
7239 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7241 * c-typeck.c (digest_init): Handle boolean types as scalars.
7243 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7245 * stmt.c (expand_return): Don't return anything if size is zero.
7246 Delete redundant assignment to BYTES.
7247 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7249 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7251 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7252 the same as the default library function names.
7253 * config/avr/avr.md: Document special characters after '%'.
7254 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7255 knowing which of the call-used registers are really clobbered.
7256 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7257 New. Both quotient and remainder from one libgcc.S call.
7258 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7259 clobber as few registers as possible.
7260 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7262 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7264 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7265 context of the top of the stack.
7267 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7269 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7270 (fixup_var_refs_insns): ...here.
7272 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7274 * function.c (fixup_var_refs_insns): Break up into
7275 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7276 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7277 [loop over hash table entries].
7278 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7279 fixup_var_refs_insns_with_hash, to match above changes.
7281 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7283 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7284 (libgcc.a): Likewise.
7285 (stmp-multilib): Likewise.
7286 (STAGE2_FLAGS_TO_PASS): Likewise.
7288 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7290 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7291 temporary if no_new_pseudos.
7293 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7295 * cppinternals.texi: Update.
7297 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7299 * arm.c (arm_init_builtins): Re-enable builtins.
7301 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7303 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7304 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7305 element to be null, and always expect an EXPR_LIST.
7306 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7307 * sched-deps.c (sched_analyze_1): Likewise.
7308 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7310 * regclass.c (max_set_parallel): New variable.
7311 (reg_scan): Take it into account in computation of max_parallel.
7312 (reg_scan_mark_refs, case SET): Compute it.
7314 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7316 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7317 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7319 2001-01-19 Jason Merrill <jason@redhat.com>
7321 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7322 for the abstract instance of an inline function.
7324 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7325 J"orn Rennecke <amylaar@redhat.com>
7327 * reload1.c (move2add_note_store): Treat all registers directly or
7328 indirectly derived from a base register as members of the same set
7330 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7331 of base register into account.
7333 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7335 * alias.c (find_base_value): Recognize TRUNCATE.
7336 (record_set): In PLUS case, invalidate if other summand is also a
7339 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7341 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7342 entry to be EXPR_LIST.
7343 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7344 be an EXPR_LIST (but not null, which other code doesn't allow).
7345 (note_stores): Properly handle PARALLEL in SET.
7346 Recursively call for top-level PARALLEL.
7347 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7348 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7350 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7352 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7354 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7355 not pfile->skipping (== 0).
7357 2001-01-17 Nick Clifton <nickc@redhat.com>
7359 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7362 2001-01-17 Jim Wilson <wilson@redhat.com>
7364 * invoke.texi (IA-64 options): Improve.
7366 2001-01-17 Tom Tromey <tromey@redhat.com>
7368 * invoke.texi (Optimize Options): Use `{}' to around @samp
7371 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7373 * invoke.texi (-fno-guess-branch-probability): New option.
7375 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7377 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7378 case of making new double-word constant.
7379 Revert last change: instead just test i3_subst_into_i2.
7381 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7383 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7384 Use q constraints instead of r.
7386 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7388 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7389 (machine_function): Define.
7390 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7391 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7392 pa_free_machine_status): New functions.
7393 (override_options): Set {init,mark,free}_machine_status to above.
7394 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7395 PIC_OFFSET_TABLE_REGNUM_SAVED.
7396 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7397 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7398 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7399 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7400 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7402 2001-01-15 DJ Delorie <dj@redhat.com>
7404 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7408 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7410 * flow.c (propagate_on_insn): Make trying to delete a prologue
7411 or epilogue insn an ICE, not a warning. Allow doing this if
7412 the current function returns with stack pointer depressed.
7414 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7415 I3 having more than one SET.
7417 2001-01-16 Jim Wilson <wilson@redhat.com>
7419 * invoke.texi: Document IA-64 options.
7421 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7422 (fixup_errata): Delete TARGET_A_STEP use.
7423 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7424 (TARGET_SWITCHES): Delete -ma-step option.
7425 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7426 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7427 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7428 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7429 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7430 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7432 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7433 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7434 cmovsi_internal): Delete ! TARGET_A_STEP check.
7436 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7438 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7439 possibility to report bugs via postal mail. Change a URL and
7440 merge in a nearly duplicate statement...
7441 (Bug Reporting): ...from here.
7442 (Service): Refer to the Bug Reporting section instead of
7444 (Contributing): Remove trivial explanations concerning snapshots.
7446 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7448 * cppmain.c (general_init): Don't use ANSI prototype.
7450 2001-01-16 Tom Tromey <tromey@redhat.com>
7452 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7454 2001-01-16 Richard Henderson <rth@redhat.com>
7456 * config/i386/i386.h: Fix comment typo.
7457 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7458 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7460 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7462 * gcc.c: Revert previous -fsyntax-only-related change; move
7465 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7467 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7468 inmode after checking GET_CODE (op).
7470 2001-01-16 Richard Henderson <rth@redhat.com>
7472 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7473 (MAX_MEM_SET_LIST_LEN): New.
7474 (propagate_one_insn): Update mem_set_list_len.
7475 (invalidate_mems_from_autoinc): Likewise.
7476 (invalidate_mems_from_set): Likewise.
7477 (mark_used_regs): Likewise.
7478 (init_propagate_block_info): Likewise. Stop collecting memories
7479 when we reach MAX_MEM_SET_LIST_LEN.
7480 (mark_set_1): Likewise.
7482 2001-01-16 Richard Henderson <rth@redhat.com>
7484 * unroll.c (precondition_loop_p): Fail if no iteration
7487 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7489 * gcc.c: When -fsyntax-only is given, do not complain about
7492 2001-01-15 Richard Henderson <rth@redhat.com>
7494 * config/i386/i386.c (asm_output_function_prefix): Remove.
7495 (ix86_asm_file_end): New.
7496 (load_pic_register): Generate pic_label_name into a
7497 staticly allocated buffer.
7498 * config/i386/i386-protos.h: Update.
7499 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7500 (ASM_FILE_END): New.
7501 * config/i386/i386afe.h: New file.
7502 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7503 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7504 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7505 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7506 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7507 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7508 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7510 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7512 * Makefile.in (install-man): Remove explicit dependency on
7515 * configure.in, configure: Revert previous patch requiring perl
7518 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7520 * toplev.c (flag_guess_branch_prob): New.
7521 (f_options): Add guess-branch-probability option.
7522 (rest_of_decl_compilation): Only estimate branch probability if
7524 (main): set flag_guess_branch_prob.
7526 * flags.h (flag_guess_branch_prob): New.
7528 2001-01-15 DJ Delorie <dj@redhat.com>
7530 * gcc.texi (Makefile): Add documentation for Makefile targets.
7532 2001-01-15 Philip Blundell <philb@gnu.org>
7534 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7536 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7537 (is_pic): Delete declaration.
7538 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7539 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7540 * config/arm/arm.md (builtin_setjmp_receiver): New.
7542 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7544 * arm.c (use_return_insn): Don't try to determine the function type
7545 until after reload has completed.
7546 (arm_output_epilogue): Don't adjust the sp value recovered from the
7548 (emit_multi_reg_push): Don't record dwarf information for the pc.
7549 * arm.md (eh_epilogue): The function type may have changed, so it
7550 needs to be recalculated.
7551 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7552 unwind tables on arm/netbsd.
7554 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7556 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7557 (negated_cbranchsi4): Likewise.
7559 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7561 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7562 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7563 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7564 pass -mapcs-* options to assembler.
7565 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7566 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7567 (ASM_SPEC): Call subtarget_extra_asm_spec.
7569 2001-01-15 Andreas Jaeger <aj@suse.de>
7571 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7573 (ix86_expand_builtin): Likewise.
7575 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7576 warning about comparison between signed and unsigned.
7578 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7580 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7582 2001-01-14 Ralf Baechle <ralf@gnu.org>
7584 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7585 SUBTARGET_CPP_SPEC apropriatly.
7587 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7589 * varasm.c (make_decl_rtl): Fix typo in last change.
7591 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7593 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7594 linker supports the init_priority C++ attribute.
7595 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7596 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7597 linker does not support init_priority C++ attribute.
7599 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7601 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7603 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7605 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7606 * cp/lex.c (finish_parse): Similarly.
7607 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7608 Return the number of errors encountered.
7609 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7610 * cppmain.c (main): Don't call cpp_destroy.
7612 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7614 * configure.in: Require at least perl 5.6.0 to regenerate
7616 * configure: Regenerate.
7618 2001-01-14 Richard Henderson <rth@redhat.com>
7620 * genrecog.c (DT_veclen_ge): New.
7621 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7622 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7623 (nodes_identical_1): Handle DT_veclen_ge.
7624 (write_cond, debug_decision_2): Likewise.
7626 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7628 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7630 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7632 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7634 * cppmain.c (do_preprocessing): New function; most of the old
7636 (main): Call it to do most of the work.
7637 (cb): Move from global scope to set_callbacks ().
7638 (setup_callbacks): Get the callback pointer.
7639 (general_init, printer_init): Clean up code and comments.
7641 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7643 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7646 2001-01-14 Kazu Hirata <kazu@hxi.com>
7648 * config/h8300/h8300.c (get_shift_alg): Update comments.
7650 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7652 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7653 (alloc_page, ggc_alloc): Add casts to remove warnings.
7655 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7657 * combine.c (simplify_comparison): Don't change `code' when
7658 can't reverse comparison.
7660 2001-01-14 Richard Henderson <rth@redhat.com>
7662 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7663 update all call sites. Return true for all non-label constants.
7665 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7667 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7669 (ix86_expand_branch): Update.
7670 (ix86_expand_setcc): Update to handle multiple test conditions.
7671 (expand_int_movcc): Likewise.
7672 (expand_fp_movcc): Likewise.
7673 * i386-protos.h (ix86_expand_compare): New.
7674 * i386.md (andqi_?_slp, orqi_?_slp): New.
7675 (conditional trap expander): Update call to ix86_expand_compare.
7677 2001-01-14 Richard Henderson <rth@redhat.com>
7679 * config/vax/vax.md: Use nonimmediate_operand instead of
7680 general_operand in destinations.
7682 * config/vax/vax.md (indirect_jump): Use register_operand.
7684 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7685 * config/vax/vax.md (call_pop): Turn into an expander.
7686 (call_value_pop): Likewise.
7687 (call, call_value): New.
7689 2001-01-14 Andreas Jaeger <aj@suse.de>
7691 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7693 (ix86_fp_compare_mode): Add unused attribute.
7694 (ix86_expand_fp_movcc): Remove unused variable.
7695 (ix86_expand_builtin): Make fcode unsigned.
7697 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7698 (expand_expr): Add cast to avoid signed warning.
7699 (store_field): Likewise.
7700 (store_constructor_field): Likewise.
7701 (store_constructor): Likewise.
7702 (store_expr): Likewise.
7703 (clear_storage): Likewise.
7704 (emit_group_store): Likewise.
7705 (emit_group_load): Likewise.
7707 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7709 * c-common.c: Move format checking code to ...
7710 * c-format.c: ... here. New file. Reorder some functions and
7712 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7714 * c-common.h (decl_handle_format_attribute,
7715 decl_handle_format_arg_attribute): Declare.
7716 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7717 (c-common.o): Adjust dependencies.
7718 (c-format.o): New list of dependencies.
7720 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7722 * unroll.c (loop_iterations): If we cannot prove iteration variable
7723 is set once in each iteration, punt.
7725 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7727 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7728 (*strlenhi): Remove clobber (which was buggy) of output address.
7730 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7732 * Makefile.in (generated-manpages): Add gcc.1
7733 ($(srcdir)/gcc.1): New target.
7734 (maintainer-clean): Delete $(srcdir)/gcc.1.
7735 * gcc.texi: Add macros @gccoptlist and @gol.
7736 * invoke.texi: Include option summary in manpage. Mark up option
7737 summary with @gccoptlist and @gol. Use @r in one place where
7739 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7740 * gcc.1: Generate from invoke.texi.
7742 2001-01-13 Richard Henderson <rth@redhat.com>
7744 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7745 (struct page_entry): Add group member.
7746 (struct page_group): New.
7747 (struct globals): Add page_groups member.
7748 (alloc_anon): Only define for using mmap; remove valloc call.
7749 (page_group_index): New.
7750 (set_page_group_in_use): New.
7751 (clear_page_group_in_use): New.
7752 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7753 (free_page, release_pages): Likewise.
7754 * configure.in (with-gc): Default to ggc-page always.
7756 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7758 * reload1.c (replace_pseudos_in_call_usage): Use
7759 reg_equiv_constant and reg_equiv_address, and don't try
7760 regno_reg_rtx first.
7762 2001-01-13 Richard Henderson <rth@redhat.com>
7764 * ggc-page.c (alloc_page): Round up allocation size to one page.
7765 Set e->order on extra pages.
7767 2001-01-13 Richard Henderson <rth@redhat.com>
7769 * genrecog.c (nodes_identical): Expand commentary.
7770 (write_switch): Watch out for identical nodes.
7772 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7774 * cppfiles.c (_cpp_fake_include): New function.
7775 * cpphash.h (_cpp_fake_include): New.
7776 * cpplib.c (do_line): Call _cpp_fake_include when entering
7777 header files in preprocessed input.
7778 * cppmain.c (cb_pragma_implementation): Remove handling.
7779 (setup_callbacks): Don't register pragmas.
7781 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7783 * extend.texi: Udate for CPP.
7785 2001-01-13 Andreas Jaeger <aj@suse.de>
7787 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7789 * regmove.c: Add prototype for replace_in_call_usage.
7791 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7793 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7794 struct cpp_chunk, struct htab, struct toklist,
7795 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7796 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7797 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7798 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7799 (struct macro_args): Delete.
7800 * cpphash.h: See above.
7802 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7804 * cppmain.c (struct printer): Remove no_line_dirs.
7806 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7807 : Use options rather than CPP_OPTION.
7808 (setup_callbacks): Use cb rather than pfile->cb.
7809 (main): No need to check for a buffer. Use cpp_errors.
7810 (printer_init): Don't set no_line_dirs.
7811 (maybe_print_line): Use options not no_line_dirs.
7812 (cb_file_change): Don't call print_line if -P.
7814 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7816 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7818 * c-parse.in (finish_parse): Use cpp_errors.
7819 (__yylex): Use return value of cpp_pop_buffer.
7820 * cp/lex.c (finish_parse): Use cpp_errors.
7821 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7823 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7825 * README.AVR: URLs corrected.
7827 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7829 * c-decl.c (start_function): Don't warn if old prototype is builtin
7830 that's not in C's namespace.
7831 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7832 (_bb): Add prototype for ctime.
7833 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7835 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7837 * i386.c (ix86_fp_comparison_arithmetics_cost,
7838 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7839 ix86_fp_comparison_cost): New functions.
7840 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7841 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7842 two-branch sequences; make static.
7843 (ix86_use_fcomi_compare): Do decision according to the costs.
7844 (split_fp_branch): New.
7845 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7846 * i386-protos.h (ix86_expand_fp_compare): Remove
7847 (ix86_split_fp_branch): Declare.
7849 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7850 and ix86_comparison_operator.
7852 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7855 * i386.c (put_condition_code): Output properly the unordered/ordered
7856 compares in fp case.
7857 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7859 * tm.texi (REVERSE_CONDITION): Document.
7860 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7861 in -ffast-math mode.
7862 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7864 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7866 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7868 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7871 * config/sh/sh.c (mova_p): Fix test for mova_const.
7873 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7875 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7876 cpp_get_options rather than dereferencing pfile and using
7878 * scan-decls.c (scan_decls): Use return value of
7879 cpp_pop_buffer rather than CPP_BUFFER.
7881 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7883 * cppinit.c (cpp_handle_option): help_only is now part of the
7884 cpp_options structure.
7885 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7886 cpp_set_callbacks): New functions.
7887 * cpplib.h (cpp_callbacks): Break out as a named structure.
7888 (cpp_options): Move help_only here from cpp_reader.
7889 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7890 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7891 cpp_set_callbacks): New prototypes.
7892 * cppmain.c (main): Update for help_only.
7894 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7896 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7897 Also build and remove and install and uninstall c-tree.info and
7899 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7900 ($(srcdir)/cppinternals.info): New target.
7901 * c-tree.texi: Change file name used when makeinfo used without -o
7902 from ir.info to c-tree.info. Add info directory entry.
7903 * cppinternals.texi: Add info directory entry.
7904 * .cvsignore: Update.
7906 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7908 * c-typeck.c (store_init_value): Don't require constant initializer
7909 elements with -pedantic -std=c99.
7910 (digest_init): Change error about non-constant initializer elements
7912 (constructor_range_end): Remove.
7913 (constructor_incremental, designator_depth,
7914 designator_errorneous): New variables.
7915 (struct constructor_stack): Remove range_end, add incremental.
7916 (struct constructor_range_stack, constructor_range_stack): New.
7917 (struct initializer_stack): Add constructor_range_stack.
7918 (finish_init): Set it.
7919 (start_init): Likewise. require_constant_elements for non-static
7920 trees only if not flag_isoc99.
7921 (really_start_incremental_init): Remove constructor_range_end, add
7922 constructor_incremental.
7923 (pop_init_level): Likewise.
7924 (push_init_level): Likewise. If implicit and the subobject had some
7925 value set already, preinitialize the level with it.
7926 Warn about missing braces only if not pushing due to designators.
7927 (set_designator, push_range_stack): New functions.
7928 (set_init_label): Use them.
7929 (set_init_index): Likewise. Remove constructor_range_end.
7930 Error if designator index is outside of array bounds.
7931 (add_pending_init): Compare values of purpose index trees, not the
7932 trees themselves. Allow overwriting of already initialized element.
7933 Issue a warning if it had side-effects.
7934 (set_nonincremental_init, set_nonincremental_init_from_string): New
7936 (pending_init_member): Rename to...
7937 (find_init_member): ...this function. Call set_nonincremental_init
7938 if necessary. Compare values of purpose index trees, not the trees
7939 themselves. Return the actual value, not just non-zero if something
7941 (output_init_element): Remove checks for duplicates.
7942 If field has zero size, only check the initializer for correctness.
7943 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7944 if constructor_incremental is zero. Change error about initializers
7945 not computable at load time into pedwarn.
7946 (output_pending_init_elements): Compare bit positions, not
7947 FIELD_DECLs to take into account zero-sized fields.
7948 (process_init_element): Use constructor_range_stack to fill all
7949 ranges in the designator lists from current level up.
7950 * extend.texi: Update documentation for labeled elements.
7952 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7954 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7955 to function usage for arguments passed by reference. Optimize
7956 callee-copied arguments.
7957 * regmove.c (replace_in_call_usage): New function.
7958 (fixup_match_1): Call it.
7959 * cse.c (cse_insn): Canonicalize registers in function usage.
7960 * reload1.c (replace_pseudos_in_call_usage): New function.
7963 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7966 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7968 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7971 2001-01-12 DJ Delorie <dj@redhat.com>
7973 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7974 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7977 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7979 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7980 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7981 -std options alongside references to -ansi. Update some
7982 documentation for C99.
7983 * cpp.1: Regenerate.
7985 2001-01-12 Andreas Jaeger <aj@suse.de>
7987 * haifa-sched.c (restore_line_notes): Remove argument block B
7989 * sched-ebb.c (schedule_ebb): Change caller.
7990 * sched-rgn.c (schedule_region): Likewise.
7991 * sched-int.h (restore_line_notes): Adjust prototype.
7993 * loop.h: Remove wrong declaration of doloop_condition_get.
7995 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7997 * extend.texi: Move C++-extension-related node from the C section
7998 into the C++ section.
8000 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8002 * extend.texi: Refer to an array of pointers to functions instead
8003 of one of functions.
8005 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8006 Jan Hubicka <jh@suse.cz>
8008 * combine.c (reversed_comparison): Fix typo in last patch.
8010 (combine_reversed_comparison_code): Make static to follow
8011 prototype declaration.
8013 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8015 * install.texi: Remove misplaced duplicate entry.
8017 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8019 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8021 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8023 * final.c: (leaf_function_p): Fix typo.
8025 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8027 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8028 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8030 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8031 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8032 mmap_anon, and valloc is available.
8033 * ggc-page.c: Restructure ifdef logic to match new autoconf
8034 spec. Don't throw away the test page in init_ggc.
8036 * configure, config.in: Regenerate.
8038 2001-01-12 Michael Hayes <mhayes@redhat.com>
8040 * loop.h (total_biv_increment): Constify iv_class pointer.
8041 (struct induction): Replace `mem_mode' with `mem' rtx.
8042 * unroll.c (total_biv_increment): Constify iv_class pointer.
8043 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8044 (find_mem_givs, combine_givs_p): Likewise.
8045 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8047 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8049 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8051 (__gthread_getspecific): Ditto.
8053 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8055 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8056 put_condition_code): Convert fp comparison codes to integer
8058 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8061 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8062 * i386-protos.h (no_comparison_operator): Kill.
8064 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8066 * combine.c (REVERSIBLE_CC_MODE): Remove.
8067 (reversible_comparison_p): Remove.
8068 (combine_reversed_comparison_code): New.
8069 (reversed_comparison): New.
8070 (combine_simplify_rtx): Use
8071 combine_reversed_comparison_code/reversed_comparison instead
8072 of reversible_comparison_p.
8073 (simplify_if_then_else): Likewise.
8074 (simplify_set): Likewise.
8075 (simplify_logical): Likewise.
8076 (if_then_else_cond): Likewise.
8077 (known_cond): Likewise.
8078 (simplify_comparison): Likewise.
8080 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8082 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8083 sizeof (int) is larger than sizeof(__word__).
8085 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8087 * cppinit.c (do_includes): Fix typo.
8089 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8091 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8092 in S_REGS does not occur because not all sources are possible
8093 when a S_REGS is a destination (sometimes needs a clobber).
8094 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8095 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8096 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8097 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8098 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8099 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8100 (lshrdi_const1, lshrsi3_const16): Likewise.
8101 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8102 (*movhi_68hc12, *movqi_68hc12): Likewise.
8103 (movstrictqi): Make sure reloading in D_REGS as a destination
8106 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8108 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8110 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8112 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8113 -D, -U and -A, and don't initialize the builtins.
8114 (do_includes): Error if -include or -imacros with -fpreprocessed.
8115 * cppmain.c (cb_define, cb_undef): Unconditionally process
8117 * tradcpp.c (main): Fix typo.
8119 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8121 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8122 (read_name_map): Use IS_ABSOLUTE_PATH.
8123 * tradcpp.c (get_filename): Likewise.
8125 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8127 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8128 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8129 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8130 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8131 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8132 (cmphi_z_used): Don't use '@' for the output.
8133 (tstqi_z_used): Likewise.
8134 (cmpqi_z_used): Likewise.
8135 (one_cmplsi2): Likewise.
8137 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8139 * config/sh/sh.c (barrier_align): Recognize branch around far
8140 branch and redundant insn.
8142 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8144 * invoke.texi: Restore documentation of the drivers' switches -MD
8147 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8149 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8151 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8152 check-objc//%): Support parallel testing of multilibs.
8153 (TESTSUITEDIR): Set to testsuite by default, but override for
8155 (check-gcc, check-g++, check-g77, check-objc): Enter
8158 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8160 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8161 * sched-deps.c (deps_may_trap_p): Likewise.
8162 * basic-block.h: Remove a comment.
8163 * flow.c (PROP_POSTRELOAD): Remove.
8164 (update_life_info): Don't add it to prop_flags.
8165 (mark_set_1): Lose the code that was enabled by it.
8167 2001-01-11 Michael Hayes <mhayes@redhat.com>
8169 * flow.c (flow_call_edges_add): New.
8170 * basic_block.h (flow_call_edges_add): New.
8172 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8174 * reload1.c (move2add_note_store): Update reg_set_luid even if
8175 base reg remains the same.
8177 2001-01-10 Nick Clifton <nickc@redhat.com>
8179 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8180 machine_function structure to zero.
8181 Add prototypes for machine_status functions.
8183 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8185 * c-common.h (CTI_VOID_LIST): Remove.
8186 (void_list_node): Likewise.
8187 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8188 (void_list_node): New macro.
8189 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8190 * config/i386/i386.c (ix86_init_builtins): Likewise.
8191 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8193 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8195 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8196 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8198 * tradcpp.c: Include mkdeps.h.
8199 (deps, print_deps_phony_targets, deps_append, output_deps,
8200 init_dependency_output, output_deps): New.
8201 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8202 deps_output): Delete.
8203 (print_deps_missing_files): Rename deps_missing_files.
8204 (inhibit_output): Make global.
8205 (main): Delete inhibit_output, deps_stream, deps_target.
8206 Use mkdeps functionality in the same way as cpplib. Remove
8207 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8208 -M and -MM. Remove old handling of deps via deps_out, and
8209 old reading of environment variables.
8210 (get_filename): Update to use deps_add_dep.
8212 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8214 * output.h (make_function_rtl): Remove prototype.
8215 (make_decl_rtl): Likewise.
8216 * varasm.c (make_function_rtl): Remove.
8217 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8218 than from a third parameter.
8219 * tree.h (make_decl_rtl): Remove last parameter.
8220 * c-decl.c (builtin_function): Remove last argument in call to
8221 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8222 (start_function): Likewise.
8223 * except.c (call_get_eh_context): Likewise.
8224 * expr.c (emit_block_move): Likewise.
8225 (clear_storage): Likewise.
8226 * profile.c (output_func_start_profiler): Likewise.
8227 * toplev.c (rest_of_decl_compilation): Likewise.
8228 * objc/objc-act.c (create_builtin_decl): Likewise.
8229 (synth_module_prologue): Likewise.
8230 (generate_static_reference): Likewise.
8231 (build_selector_reference_decl): Likewise.
8232 (build_class_reference_decl): Likewise.
8233 (build_objc_string_decl): Likewise.
8234 (build_protocol_reference): Likewise.
8236 2001-01-10 Richard Henderson <rth@redhat.com>
8238 * hwint.h: Revert yesterday's change.
8240 2001-01-10 Nick Clifton <nickc@redhat.com>
8242 * function.h (save_machine_status): Delete.
8243 (restore_machine_status): Delete.
8244 Amend comment describing {init|mark|free}_machine_status.
8246 * function.c (save_machine_status): Delete.
8247 (restore_machine_status): Delete.
8248 Amend comment describing {init|mark|free}_machine_status.
8249 (push_function_context_to): Remove invocation of
8250 save_machine_status.
8251 (pop_function_context_from): Remove invocation of
8252 restore_machine_status.
8254 * emit-rtl.c (init_emit_once): Amend comment describing
8255 {init|mark|free}_machine_status.
8257 * tm.texi (Per-Function Data): New node. Describe the
8258 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8261 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8263 * cppinit.c (OPT_g): Remove.
8264 (cpp_handle_option): Update for removed -g3.
8265 (print_help): Update.
8266 * cpplib.h (struct cpp_options): Remove debug_output.
8267 * cppmain.c (setup_callbacks, cb_define): Update.
8268 * gcc.c (cpp_options): Translate -g3 to -dD.
8270 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8272 * config/i960/i960.md: Change modifier to + on the zero_extract
8273 pattern after the (rotate -2 reg) canonicalization pattern.
8275 2001-01-10 Richard Henderson <rth@redhat.com>
8277 * config/alpha/alpha.c (alpha_free_machine_status): New.
8278 (override_options): Install it.
8279 (alpha_mark_machine_status): Verify machine non-null.
8280 * config/i386/i386.c (ix86_free_machine_status): New.
8281 (override_options): Install it.
8282 (ix86_init_machine_status): Use xcalloc.
8283 (ix86_mark_machine_status): Verify machine non-null.
8284 * config/ia64/ia64.c (ia64_free_machine_status): New.
8285 (ia64_override_options): Install it.
8286 (ia64_mark_machine_status): Verify machine non-null.
8288 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8290 * function.c (instantiate_virtual_regs): Instantiate virtual
8291 registers found in CALL_INSN_FUNCTION_USAGE.
8293 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8295 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8296 equivalent to -ansi in disabling -Di386.
8298 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8300 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8302 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8304 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8306 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8308 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8310 * invoke.texi: Document that -fcond-mismatch isn't supported for
8313 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8315 * gcc.texi: Define macro gcctabopt.
8316 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8317 @command, @env and @option in some places where appropriate. Use
8318 @gcctabopt where appropriate. Put URLs and email addresses inside
8321 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8323 * gcc.c (cpp_options): Set MD file name from output
8324 filename, if specified.
8325 (suffix_subst): New static variable.
8326 (do_spec): Clear it.
8327 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8329 (give_switch): Handle suffix_subst.
8331 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8333 * invoke.texi: Fix another typo.
8335 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8337 * invoke.texi: Fix typo.
8339 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8341 * c-lang.c (lang_hooks): Update.
8342 (lang_decode_option): Remove.
8343 (lang_init_options): Rename c_init_options.
8344 * toplev.c (main): Use lang_hooks for lang_init_options
8345 and lang_decode_option.
8346 * toplev.h (lang_hooks): Add 2 new hooks.
8347 * tree.h: Remove lang_init_options and lang_decode_option.
8348 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8349 * cp/decl2.c: Similarly.
8350 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8351 (lang_hooks): Update.
8352 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8354 (lang_init_options): Rename ffe_init_options.
8355 (lang_hooks): Update.
8356 (lang_decode_option): Remove.
8357 * java/lang.c (lang_init_options): Rename java_init_options.
8358 (lang_decode_option): Rename java_decode_option.
8359 (lang_hooks): Update.
8360 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8361 (lang_decode_option): Rename objc_decode_option.
8362 (lang_hooks): Update.
8364 2001-01-09 Nick Clifton <nickc@redhat.com>
8366 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8367 (d30v_return_addr_rtx): Delete.
8368 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8369 cfun->machine structure.
8370 (struct machine_function): Move to d30v.h
8371 (d30v_save_machine_status): Delete.
8372 (d30v_restore_machine_status): Delete.
8373 (d30v_init_machine_status): New Function.
8374 (d30v_mark_machine_status): New Function.
8375 (d30v_free_machine_status): New Function.
8376 (d30v_init_expanders): Use new functions.
8377 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8378 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8379 d30v_return_addr_rtx.
8381 * config/d30v/d30v.h (struct_machine): Move here.
8382 Add eh_epilogue_sp_ofs field.
8384 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8385 field in cfun->machine structure.
8387 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8389 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8390 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8391 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8393 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8395 * objc/lang-options.h: Remove bogus reference to
8398 2001-01-09 Kazu Hirata <kazu@hxi.com>
8400 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8403 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8405 * reload.c (find_reloads_address): Check for eliminable registers
8406 when substituting a constant expression for a pseudo.
8408 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8410 * c-common.c (enum format_type): Add format_type_error.
8411 (decode_format_type): New function.
8412 (decl_attributes): Use it.
8413 (format_kind_info): Adjust comment.
8415 2001-01-09 David O'Brien <obrien@BSDi.com>
8417 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8418 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8420 * config/i386/gnu.h: Don't include required platform specific .h files,
8421 tm.h will do it instead.
8422 * config/i386/i386elf.h: Likewise.
8423 * config/i386/linux.h: Likewise.
8424 * config/i386/moss.h: Likewise.
8425 * config/mips/gnu.h: Likewise.
8427 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8429 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8430 (rs6000-ibm-aix3.[01]*): Likewise.
8431 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8432 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8433 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8434 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8435 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8436 (powerpc-*-eabiaix*): Likewise.
8437 (powerpc-*-eabisim*): Likewise.
8438 (powerpc-*-elf*): Likewise.
8439 (powerpc-*-eabi*): Likewise.
8440 (powerpc-*-rtems*): Likewise.
8441 (powerpc-*-linux*libc1): Likewise.
8442 (powerpc-*-linux*): Likewise.
8443 (powerpc-wrs-vxworks*): Likewise.
8444 (powerpcle-wrs-vxworks*): Likewise.
8445 (powerpcle-*-sysv*): Likewise.
8446 (powerpcle-*-elf*): Likewise.
8447 (powerpcle-*-eabisim*): Likewise.
8448 (powerpcle-*-eabi*): Likewise.
8449 (powerpcle-*-solaris2*): Likewise.
8450 * config/rs6000/aix31.h: Delete includes.
8451 * config/rs6000/aix3newas.h: Likewise.
8452 * config/rs6000/aix41.h: Likewise.
8453 * config/rs6000/aix43.h: Likewise.
8454 * config/rs6000/beos.h: Likewise.
8455 * config/rs6000/rtems.h: Likewise.
8456 * config/rs6000/sysv4.h: Likewise.
8458 2001-01-09 Kazu Hirata <kazu@hxi.com>
8460 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8461 Change an argument mode of machine_mode to shift_mode of
8462 shift_mode. Remove an extra error check.
8463 (emit_a_shift): Adopt to the new calling prototype of
8465 (function_prologue): Fix code for a monitor
8466 function. Support H8/S.
8467 (function_epilogue): Do not output pop for a monitor function.
8469 2001-01-09 Nick Clifton <nickc@redhat.com>
8471 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8472 (setup_incoming_varargs): Use sysv_varargs_p field of the
8473 cfun->machine structure.
8474 (struct machine_function): Move to rs6000.h
8475 (rs6000_save_machine_status): Delete.
8476 (rs6000_restore_machine_status): Delete.
8477 (rs6000_init_machine_status): New Function.
8478 (rs6000_free_machine_status): New Function.
8479 (rs6000_init_expanders): Use new functions.
8481 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8483 (struct machine_function): Move here.
8485 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8486 sysv_varargs_p field of the cfun->machine structure.
8488 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8490 (rs6000_restore_machine_status): Remove prototype.
8492 2001-01-09 Richard Henderson <rth@redhat.com>
8494 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8495 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8496 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8497 (sched_analyze_2, sched_analyze_insn): Likewise.
8498 (sched_analyze, init_deps): Likewise.
8499 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8500 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8501 (compute_block_backward_dependences): Update propagate_deps call.
8503 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8505 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8507 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8509 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8510 (cpp_handle_option): Handle them.
8511 (cpp_post_options): Ensure one of -M or -MM is specified with
8512 any other -M? option.
8513 (init_dependency_output): Suppress output with -MG.
8515 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8518 * invoke.texi: Update.
8520 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8522 * sh.md (reload_outsf): Generate recognizable patterns for
8525 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8527 * c-lang.c (lang_hooks): Update.
8528 (lang_init): Rename c_init.
8529 (lang_finish): Remove.
8530 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8532 * toplev.h (lang_hooks): Add init () and finish ().
8533 * tree.h (lang_init, lang_finish): Remove.
8534 * cp/tree.h (lang_init, lang_finish): Remove.
8535 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8536 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8538 (lang_init, lang_finish): Remove.
8539 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8540 (lang_hooks): Update.
8541 * java/lang.c (lang_init): Rename java_init.
8542 (lang_finish): Remove.
8543 (lang_hooks): Update.
8544 * objc/objc-act.c (lang_init): Rename objc_init.
8545 (lang_finish): Remove.
8546 (lang_hoooks): Update.
8548 20001-01-09 Graham Stott <grahams@redhat.com>
8550 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8551 after `ptr` is initialised.
8553 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8555 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8556 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8557 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8558 stack adjusts, instead of r3.
8560 2001-01-09 Michael Hayes <mhayes@redhat.com>
8562 * flow.c (flow_loop_scan): Break out of ...
8563 (flow_loops_find) ... here.
8564 * basic-block.h (flow_loop_scan): New.
8565 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8566 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8568 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8570 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8572 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8573 realloc()ing macro_buffer.
8575 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8576 if it's wider than long and the target's long is wider than the
8579 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8581 Remove support for using UWIN as a host machine.
8582 * configure.in: Issue an error message.
8583 * configure: Regenerated.
8584 * config.gcc: Remove xm_* UWIN configury.
8585 * config/i386/xm-uwin.h: Remove.
8587 2001-01-08 Nick Clifton <nickc@redhat.com>
8589 * config/v850/v850.c (ra_rtx): Delete.
8590 (v850_save_machine_status): Delete.
8591 (v850_restore_machine_status): Delete.
8592 (v850_init_machine_status): New function.
8593 (v850_mark_machine_status): New function.
8594 (v850_free_machine_status): New function.
8595 (v850_return_addr): Use ra_rtx field in machine structure.
8596 (v850_init_expanders): Use new functions.
8598 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8599 * config/v850/v850.c: Change arguments to v850_output+* functions
8600 to take a const char *, to avoid compile time warning.
8601 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8602 (USER_LABEL_PREFIX): Redefine.
8604 2000-01-08 Jim Wilson <wilson@redhat.com>
8606 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8607 1 to unsigned HOST_WIDE_INT before left shift.
8609 2001-01-08 Nick Clifton <nickc@redhat.com>
8611 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8612 the machine structure has been allocated.
8613 (arm_free_machine_status): New function: Free the machine
8614 specific function structure.
8616 2001-01-08 Richard Henderson <rth@redhat.com>
8618 * jump.c (simplejump_p): Revert last change.
8620 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8622 * cppinit.c (init): Rename init_library.
8623 (cpp_create_reader): Update.
8624 * gcc.c (cpp_options): If -o given, use it as the target of
8627 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8629 * arm.c (arm_arch5e): New variable.
8630 (all_cores): XScale is a 5TE device.
8631 (arm_override_options): Set arm_arch5e.
8632 (arm_init_builtins): __builtin_prefetch is in arch5e.
8633 * arm.h (arm_arch5e): Declare it.
8635 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8637 * arm.md (define_constants): Add defines for UNSPEC and
8638 UNSPEC_VOLATILE insns. Update all users.
8639 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8640 * arm.c (multi_register_push, note_invalid_constants)
8641 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8642 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8643 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8645 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8647 * jump.c (jump_optimize_1): Use reversed_comparison_code
8648 instead of can_reverse_comparison_p.
8649 (jump_back_p): Likewise.
8650 (invert_exp_1): Likewise.
8651 (thread_jumps): Likewise.
8652 * simplify-rtx.c (simplify_unary_operation): Likewise.
8653 (simplify_ternary_operation): Likewise.
8654 * cse.c (find_comparison_args): Convert to use
8655 can_reverse_comparison_p.
8656 (record_jump_equiv): Likewise.
8658 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8660 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8661 (EPILOGUE_USES): Define.
8662 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8663 automatically stack the LR if it isn't live.
8665 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8667 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8670 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8672 * ggc-page.c (max_alignment): New structure.
8673 (MAX_ALIGNMENT): New macro.
8674 (init_ggc): Use it to round up the sizes in the
8675 extra_order_size_table.
8677 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8679 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8682 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8684 * builtins.def (BUILT_IN_FPRINTF): New entry.
8686 * c-common.c (c_expand_builtin_fprintf): New function.
8687 (init_function_format_info): Handle __builtin_fprintf.
8688 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8689 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8691 * c-decl.c (duplicate_decls): Adjust comment.
8693 * extend.texi (fprintf): Document new builtin.
8695 2001-01-07 Richard Henderson <rth@redhat.com>
8697 * jump.c (simplejump_p): Recognize any single_set jump
8700 2001-01-07 Richard Henderson <rth@redhat.com>
8702 * configure.in (slibdir): Accept an --with-slibdir option.
8703 Use "test" not "[" in configure. Default to $(libdir).
8705 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8707 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8708 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8709 (SHLIB_LINK): Create links for the soname.
8710 * config/mips/t-iris6: Likewise.
8711 * config/sparc/t-slibgcc: Likewise.
8712 * config/sparc/t-slibgcc-sld: Likewise.
8714 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8716 * config/i386/i386.c (constant_call_address_operand): Accept
8717 (const (plus (symbol_ref) (const_int))).
8718 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8719 constant_call_address_operand.
8721 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8723 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8724 and LONG_LONG_TYPE_SIZE > 32.
8726 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8728 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8729 the previous change.
8731 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8733 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8735 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8736 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8737 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8740 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8742 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8744 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8746 * c-lang.c (c_post_options): Call cpp_post_options.
8747 * objc/objc-act.c (objc_post_options): Similarly.
8748 * cppmain.c (main): Similarly.
8749 * fix-header.c (read_scan_file): Similarly.
8750 * cppinit.c (cpp_start_read): Move option consistency checks
8751 to cpp_post_options. Don't call init_dependency_output.
8752 If needed, add default target and main file dependency.
8753 (OPT_MD, OPT_MMD): Remove.
8755 (cpp_handle_option): Update for OPT_* changes.
8756 (cpp_post_options): New.
8757 (init_dependency_output): Command line -MF overrides environment
8758 variables. Don't set default target etc. Suppress output
8759 if dependencies are going to stdout.
8760 (print_help): Update.
8761 * cpplib.h (cpp_post_options): New.
8762 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8764 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8766 * jump.c (comparison_dominates_p): Support unordered compares.
8768 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8770 * simplify-rtx.c (simplify_relational_operation): Always simplify
8771 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8774 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8776 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8777 (nonzero_bits): Likewise.
8778 (simplify_comparison): Likewise.
8779 (num_sign_bit_copies): Likewise; return more sane value depending
8780 on STORE_FLAG_VALUE.
8781 (known_cond): Do not assume EQ to be always true for equivalent
8784 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8786 * cse.c (fold_rtx): Handle unordered comparisons.
8788 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8790 * rtlanal.c (set_of_1): New static function.
8791 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8792 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8793 reg_set_last_last_regno): Remove.
8794 (set_of): New global function.
8795 (set_of_data): New structure.
8796 (reg_set_p, reg_set_last): Revamp for set_of.
8797 * rtl.h (set_of): New.
8799 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8801 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8802 * extend.texi: Document _Exit builtin.
8804 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8806 * (initialize, initialize_builtins,
8807 initialize_dependency_output, initialize_standard_includes):
8808 Rename s/initialize/init. Update.
8809 (init_dependency_output): Move to after
8810 cpp_handle_options, the correct location temporally at least.
8811 (opt_comp): Move next to init (), its caller. Fix prototype.
8812 (init): Make "initialized" local scope.
8813 (cpp_create_reader): Always call init ().
8814 (cpp_start_read): Update.
8815 (output_deps): New function, broken out of cpp_finish.
8816 (cpp_finish): Break out output_deps.
8818 2001-01-07 Richard Henderson <rth@redhat.com>
8820 * collect2.c (COFF specific stuff): Revert 12-06 patch
8821 to prototype system functions.
8823 2001-01-07 Michael Hayes <mhayes@redhat.com>
8825 * hard-reg-set.h: Add multiple include guard.
8826 * basic-block.h (struct loop): Add `sink' field.
8827 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8828 (emit_iv_add_mult): Delete.
8829 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8830 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8831 (unroll_loop): Remove end_insert_before argument.
8832 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8833 (maybe_eliminate_biv_1): Likewise.
8834 (emit_iv_add_mult): Delete.
8835 (gen_add_mult, loop_regs_update): New.
8836 (loop_insn_emit_after, loop_insn_emit_before): New.
8837 (loop_insn_sink, loop_insn_sink_or_swim): New.
8838 (emit_iv_add_mult): Delete.
8839 (scan_loop): Set loop->sink.
8840 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8841 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8842 (maybe_eliminate_biv_1): Likewise.
8843 (maybe_eliminate_biv_1): Add basic block argument.
8844 * unroll.c (unroll_loop): Remove end_insert_before argument.
8845 (find_splittable_regs): Likewise.
8846 (find_splittable_regs): Use loop_insn_sink and its ilk.
8847 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8849 2001-01-07 Michael Hayes <mhayes@redhat.com>
8851 * loop.h (loop_insn_hoist): New prototype.
8852 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8853 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8854 (check_dbra_loop, load_mems): Likewise.
8855 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8856 (find_splittable_givs): Likewise.
8858 2001-01-07 Michael Hayes <mhayes@redhat.com>
8860 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8862 2001-01-07 Richard Henderson <rth@redhat.com>
8864 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8866 2001-01-07 Richard Henderson <rth@redhat.com>
8868 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8869 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8870 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8871 variant that handles a shared libgcc.
8872 (process_command): Always validate -{static,shared}-libgcc.
8873 (do_spec_1): New 'M' case.
8874 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8876 2001-01-07 Richard Henderson <rth@redhat.com>
8878 * Makefile.in (slibdir): New variable.
8879 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8880 (installdirs): Create slibdir.
8881 (install-libgcc, install-multilib): Defer to libgcc.mk.
8882 * configure.in (slibdir): Substitute.
8883 * mklibgcc.in (install): New target.
8885 * config/t-linux (SHLIB_LINK): Create links for the soname.
8886 (SHLIB_INSTALL): New.
8887 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8888 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8889 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8890 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8891 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8893 2001-01-07 Richard Henderson <rth@redhat.com>
8895 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8896 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8897 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8899 2001-01-07 Michael Hayes <mhayes@redhat.com>
8901 * loop.c (count_loop_regs_set): Delete.
8902 (load_mems_and_recount_loop_regs_set): Delete.
8903 (loop_regs_scan): Merge common code from count_loop_regs_set,
8904 scan_loop, and load_mems_and_recount_loop_regs_set.
8905 (scan_loop): Call load_mems directly and loop_regs_scan
8906 again if new registers created.
8908 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8910 * toplev.c (main): Call the front-end specific post_options
8911 hook if one is given.
8912 * toplev.h (struct_lang_hooks, lang_hooks): New.
8913 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8914 for the C front end.
8915 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8916 lang_hooks for the C++ front end.
8917 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8918 lang_hooks for the ObjC front end.
8919 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8920 * java/lang.c (lang_hooks): Hooks for the Java front end.
8922 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8924 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8925 for verbose DWARF[2] debugging.
8926 (cb_define, cb_undef): The new callbacks.
8927 * toplev.h (debug_define, debug_undef): Make const correct.
8928 * toplev.c (debug_define, debug_undef): Similarly. Do not
8929 perform the verbosity tests here anymore.
8931 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8933 * reload.c (subst_reloads): Take INSN argument. When
8934 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8935 * reload.h (subst_reloads): Adjust prototype.
8936 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8937 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8938 present in JUMP_INSNs and copy them to JUMP_LABEL.
8939 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8940 JUMP_INSNs and insns with REG_LABELs that are followed by
8941 JUMP_INSNs with the same REG_LABEL.
8942 * sched-rgn.c (is_cfg_nonregular): Likewise.
8943 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8945 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8947 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8949 2001-01-06 Richard Henderson <rth@redhat.com>
8951 * loop.c (scan_loop): Use xcalloc for the regs array.
8952 (load_mems_and_recount_loop_regs_set): Zero the new memory
8953 received from xrealloc.
8955 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8957 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8959 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8961 * integrate.c (copy_rtx_and_substitute): When copying
8962 an ignored return value, strip REG_FUNCTION_VALUE_P.
8964 2001-01-06 Michael Hayes <mhayes@redhat.com>
8966 * loop.c (debug_biv, debug_giv): New.
8967 (loop_biv_dump): Break out from ...
8968 (record_biv): ... here.
8969 (loop_giv_dump): Break out from ...
8970 (record_giv): ... here.
8971 (loop_bivs_check): Use print_simple_rtl.
8972 * unroll.c (loop_iterations): Use print_simple_rtl.
8974 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8976 * pa.md (return, return_internal): Modify patterns to prevent regrename
8977 mucking with the return pointer.
8979 2001-01-05 Richard Henderson <rth@redhat.com>
8981 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8983 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8985 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8986 version supplied by Matteo Frigo.
8988 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8990 * cpp.texi: Update for -MQ.
8991 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8992 (cpp_cleanup): Always free pfile->deps.
8993 (initialize_dependency_output): Don't create pfile->deps.
8994 (cpp_handle_option): Similarly.
8996 * gcc.c (cpp_options): Handle -MQ.
8997 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8998 * mkdeps.c (base_name): Remove.
8999 (deps_init): Don't allocate vector space until it's needed.
9000 (deps_free): Only free vectors if allocated.
9001 (deps_add_target, deps_add_dep): Update for initial allocation.
9002 (deps_add_default_target): Don't strip to the base_name.
9004 2001-01-05 DJ Delorie <dj@redhat.com>
9006 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9007 (INIT_EXPANDERS): Define.
9009 * config/v850/v850.c (struct machine_function): Define.
9010 (v850_save_machine_status): New function.
9011 (v850_restore_machine_status): New function.
9012 (v850_return_addr): New function.
9013 (v850_init_expanders): New function.
9015 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9016 and v850_init_expanders.
9018 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9020 * cpplib.h (struct cpp_reader): Add help_only field.
9021 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9022 (cpp_handle_option): Set pfile->help_only if we see -h,
9023 --help, -target-help, or --version. Print version string but
9024 do not set help_only if we see -v or -version. Make text
9025 printed by -v match that printed by (-)-version.
9027 * cppmain.c (main): Exit after option parsing if
9028 pfile->help_only is true.
9030 * toplev.c (independent_decode_option): Call print_version,
9031 then exit, if we see --version (but not -version).
9032 (print_version): Split lengthy message into two lines.
9034 2001-01-05 Nick Clifton <nickc@redhat.com>
9036 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9037 temporary string for initialisation before calling ggc_alloc_string.
9039 2001-01-06 Michael Hayes <mhayes@redhat.com>
9041 * rtl.h (print_simple_rtl): New.
9042 * print-rtl.c (print_simple_rtl): New.
9044 (print_rtx): Disable printing of flags and modes, etc.,
9045 if `flag_simple` nonzero.
9047 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9049 * function.c (fixup_var_refs): Use push_to_full_sequence where
9052 2001-01-05 Michael Meissner <meissner@redhat.com>
9054 * flags.h (flag_reorder_blocks): Add declaration.
9055 (flag_rename_block): Ditto.
9057 2001-01-05 DJ Delorie <dj@redhat.com>
9059 * function.c (reorder_blocks): Make sure the flags are all reset
9060 before using them to mark blocks, else a second invocation will
9061 corrupt the block chain.
9062 (reorder_blocks_0): New, resets the flags.
9064 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9066 * cse.c (find_comparison_args): Stop if the argument is known to
9069 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9071 * config/sh/sh.md (movdf): When splitting load into pair of
9072 registers, don't clobber the register used in the address too
9075 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9077 * varasm.c (mark_constant_pool): Improve initial comments.
9078 (mark_constants): Move marking of constants to mark_constant.
9079 (mark_constant): New function to recursively mark all constants
9080 referred to by a constant.
9082 2001-01-05 Catherine Moore <clm@redhat.com>
9084 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9086 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9088 * cp/lang-options.h: Bring comment in line with reality.
9089 * f/lang-options.h: Likewise.
9090 * java/lang-options.h: Likewise.
9091 * objc/lang-options.h: Likewise.
9092 * ch/lang-options.h: Likewise.
9093 * f/g77.texi: And update the manual.
9095 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9096 Denis Chertykov <denisc@overta.ru>
9098 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9099 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9100 * config/avr/avr.md (all peepholes that request a scratch register):
9101 Call it, FAIL the peephole if not safe (in interrupt functions).
9103 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9105 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9107 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9109 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9111 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9112 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9113 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9114 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9115 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9117 * extend.texi: Document these builtins.
9119 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9121 * c-common.c (lang_get_alias_set): Say we know nothing of
9122 VECTOR_TYPE aliasing.
9124 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9126 2001-01-05 Bruce Korb <bkorb@gnu.org>
9128 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9129 their x* equivalent versions for atexit-less systems
9130 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9131 systems (or any other system any more).
9133 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9135 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9136 output operands. Use arm_hard_register_operand for operand 4.
9137 (stmsi_postinc): Similarly.
9138 (ldmsi): Use arm_hard_register_operand for opernand 2.
9140 * arm.c (arm_hard_register_operand): New function.
9141 * arm-protos.h (arm_hard_register_operand): Prototype it.
9143 * arm.h (HARD_REGNO_RENAME_OK): Define.
9145 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9147 * simplify-rtx.c (cfc_args): add "unordered" field.
9148 (check_fold_consts): Set unordered field.
9149 (simplify_relational_operation): Simplify the unordered
9152 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9155 * emit-rtl.c (try_split): Fix code to mark labels.
9156 * jump.c (mark_jump_label): Make global.
9157 * rtl.h (mark_jump_label): Declare.
9159 * predict.c (estimate_probability): Handle unordred comparisons.
9161 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9163 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9164 * cppinit.c (initialize_dependency_output): Update.
9165 (cpp_finish): Output dummy targets for -MP.
9167 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9168 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9169 * gcc.c (cpp_options): Update to handle -MP.
9170 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9171 to quote only the default target.
9172 (deps_phony_targets): Insert a preceding newline. Rename from
9173 deps_dummy_targets for consistency.
9176 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9178 * calls.c (emit_library_call_value_1): Support
9179 INIT_CUMULATIVE_LIBCALL_ARGS.
9180 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9182 2001-01-04 Richard Henderson <rth@redhat.com>
9184 * c-decl.c (finish_struct): Detect flexible array members
9185 used in an inappropriate context.
9186 * c-typeck.c (really_start_incremental_init): Special case
9187 constructor_max_index for zero length arrays.
9188 (pop_init_level): Allow initialization of flexible array
9189 members. Deprecate initialization of zero length arrays.
9190 Don't issue missing initializer warning for flexible array
9191 members or zero length arrays.
9192 (process_init_element): Don't dereference null DECL_SIZE.
9193 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9194 Don't abort for empty constructors. Use size_binop
9195 (output_constructor): Add commentary regarding zero length
9196 array futures. Abort if we try to initialize an array of
9197 unspecified length with a non-empty constructor in the middle
9200 * extend.texi (Zero Length): Update and clarify documentation
9201 on static initialization.
9203 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9205 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9206 with more than 32767 words of local storage.
9208 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9210 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9211 for 'abs', 'labs', and 'fabs'.
9212 (c4x_expand_builtin): Likewise.
9213 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9215 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9217 * config/sh/sh.md (prget, prset): New insn types.
9218 (return delay slot): Dont' allow prset.
9219 (call, sfunc delay slot): Don't allow prget.
9220 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9221 for prset and prget.
9223 2001-01-05 Michael Hayes <mhayes@redhat.com>
9225 * loop.h (struct loop_reg): New.
9226 (struct loop_regs): Change to use array of `struct loop_reg'.
9227 * loop.c: Replace assortment of varrays with single regs array.
9228 (count_one_set): Delete may_not_move array argument
9229 and use regs array instead. All caller's changed.
9230 (count_loop_regs_set): Delete may_not_move and single_usage
9231 arguments and use regs array instead. All caller's changed.
9232 (find_single_use_in_loop): Replace usage array argument with pointer
9233 to regs structure. All caller's changed.
9234 (loop_optimize): Delete `moved_once' array.
9236 2001-01-05 Michael Hayes <mhayes@redhat.com>
9238 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9239 Use it instead of loop_info->has_call for scanning loop mems.
9240 (check_dbra_loop): Replace loop_info->has_call test with
9241 loop_info->has_nonconst_call.
9243 2000-01-04 Matthew Hiller <hiller@redhat.com>
9245 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9248 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9250 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9251 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9253 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9255 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9256 (flag_short_double, flag_short_wchar): Define.
9257 (c_common_nodes_and_builtins): Create many tree nodes shared
9258 between C and C++ here instead of in cp/decl.c and ...
9259 * c-decl.c (init_decl_processing): ... here.
9260 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9261 (flag_short_double, flag_short_wchar): Don't define.
9262 (record_builtin_type): New function.
9263 (build_void_list_node): New function.
9264 * c-common.h (flag_short_double, flag_short_wchar,
9265 record_builtin_type, build_void_list_node): Declare.
9267 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9269 * integrate.c (expand_inline_function): Don't put a virtual
9270 register into the reg map.
9272 * function.c (fixup_var_refs_1): If force_operand didn't put
9273 the address into the target, move it there.
9275 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9277 Special-case tree_decl/tree_list allocations.
9278 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9279 (OBJECT_SIZE): New macro.
9280 (NUM_EXTRA_ORDER): Likewise.
9281 (extra_order_size_table): New variable.
9282 (NUM_ORDERS): New macro.
9283 (objects_per_page_table): New variable.
9284 (object_size_table): New variable.
9285 (G.pages): Use NUM_ORDERS to bound the array.
9286 (G.page_tails): Likewise.
9287 (DIV_ROUND_UP): Remove.
9288 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9289 (alloc_page): Use OBJECT_SIZE.
9290 (size_lookup): Don't make it const.
9291 (ggc_alloc): Use OBJECT_SIZE.
9292 (ggc_set_mark): Likewise.
9293 (ggc_get_size): Likewise.
9294 (init_ggc): Set up the object_size_table, objects_per_page_table,
9295 and adjust size_lookup.
9296 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9297 (ggc_pop_context): Use NUM_ORDERS.
9298 (clear_marks): Likewise.
9299 (sweep_pages): Likewise.
9300 (poison_pages): Likewise.
9301 (ggc_print_statistics): Use OBJECT_SIZE.
9303 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9305 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9306 Only call array_size_for_constructor if last field and array type
9307 with no upper bound.
9309 2001-01-04 Philip Blundell <philb@gnu.org>
9311 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9312 from bit 31 downwards, if this requires no more insns.
9313 (count_insns_for_constant): New helper function for above.
9315 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9317 * gencodes.c (output_predicate_decls): Remove empty initializer.
9319 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9321 * tree.c (copy_node): Remove documentation about obstacks.
9322 (buidl1): Check that nobody tries to build 2-argument nodes this
9325 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9327 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9330 * gencodes.c (output_predicate_decls): Fill empty initializer
9333 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9335 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9336 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9338 (do_include): Handle missing headers like cpp0.
9339 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9340 paths with first include pathname. Don't strcat to uninitialized
9343 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9345 * regrename.c (regrename_optimize): Don't rename from frame pointer
9346 if frame_pointer_needed.
9347 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9348 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9349 (ia64_reorg): Use it instead of scheduling if ! optimize.
9350 (errata_emit_nops): Properly call asm_noperands.
9351 (ia64_sched_reorder): Finish cycle if we see an asm.
9352 (ia64_variable_issue): Clear scheduling state after asms.
9354 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9356 * cpp.texi: Update for -MT.
9357 * cppinit.c (initialize_dependency_output): Add a default
9358 target if none has been given already.
9359 (no_tgt, OPT_MT): New.
9360 (cpp_handle_option): Handle -MT. Update -M etc.
9361 * cpplib.h (struct cpp_options): Remove deps_target.
9362 * gcc.c (cpp_options): Handle -MT.
9363 * mkdeps.c (struct deps): Move from mkdeps.h.
9364 (deps_calc_target): Rename deps_add_default_target. Add a
9365 default target if none has been specified already.
9366 * mkdeps.h (struct deps): Move to mkdeps.c.
9367 (deps_calc_target): Rename deps_add_default_target.
9369 2000-01-03 Richard Henderson <rth@redhat.com>
9371 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9373 * c-typeck.c (push_init_level): Move checks for flexible array
9374 members and zero length arrays ...
9375 (pop_init_level): ... here. Silently discard empty initializations.
9377 * varasm.c (output_constructor): Update for sizeof change to
9380 * extend.texi (Zero Length): Clarify semantics.
9382 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9384 * configure.in (tm.h): Include isns-codes.h last.
9385 * configure: Rebuilt.
9387 2001-01-03 Richard Henderson <rth@redhat.com>
9389 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9390 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9392 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9394 * tradcpp.c (main): Make sure finclude() is called with a valid
9395 indepth value while handling -include.
9397 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9399 * gencodes.c (output_predicate_decls): New function.
9401 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9402 even if it is not the first time machmode.h is #included.
9403 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9404 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9405 * gcc.texi (Copyright): Added 2001.
9407 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9409 * c-common.c (c_common_lang_init): New function. Warn if format
9410 warning options which only have effects when used with -Wformat
9411 are used without -Wformat.
9412 * c-common.h (c_common_lang_init): Declare.
9413 * c-lang.c (lang_init): Call c_common_lang_init.
9414 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9416 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9418 * configure.in: Check for the mktemp command.
9419 * configure: Regenerate.
9420 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9421 $TEMP. Create temporary files with mktemp, if available at
9422 configure time; otherwise use set -C. Remove temporary files
9425 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9427 * configure.in: Require at least texinfo 4.0. Check for whether
9428 Pod::Man is sufficiently recent to regenerate GCC manpages.
9429 * configure: Regenerate.
9430 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9432 (GENERATED_MANPAGES): Define.
9433 (generated-manpages): New target. Depend on cpp.1 as well as
9435 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9436 configure to generated-manpages or empty) rather than on the
9437 manpages directly. Remove execute permission from installed
9438 gcov.1 as well as cpp.1.
9439 * cpp.1, gcov.1: Regenerate.
9441 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9443 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9444 tree_low_cst. Allow using cmpstrsi in more cases.
9446 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9448 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9451 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9453 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9454 * Makefile.in (HOST_CFLAGS): Mention build-make.
9456 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9458 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9461 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9463 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9466 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9469 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9470 reg_base_value and reg_known_value arrays.
9471 (init_alias_analysis): Add more cases to detect known values.
9472 * sched-deps.c (deps_may_trap_p): New function.
9473 (sched_analyze_2): Use it.
9475 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9477 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9478 don't discard an ASHIFTRT if we're shifting in a wider mode.
9480 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9482 * toplev.c (rest_of_compilation): Don't print basic block information
9483 when CFG isn't up to date.
9485 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9487 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9488 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9489 (UNALIGNED_SHORT_ASM_OP): Define.
9490 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9492 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9494 * fold-const.c (fold_convert): Fix typo.
9496 2001-01-02 Richard Henderson <rth@redhat.com>
9498 * c-common.h (ASM_INPUT_P): New.
9499 * c-parse.in (asm): Set it when needed.
9500 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9501 existance of an operand.
9503 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9505 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9506 (dwarf2out_frame_debug_expr): Likewise.
9507 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9509 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9511 * i386.c (ix86_split_to_parts): Return number of part required;
9513 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9515 (ix86_split_long_move): Use number of part returned
9516 by ix86_split_to_parts
9517 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9519 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9520 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9521 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9522 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9523 (ALIGN_MODE_128): Add TFmode.
9524 (IS_STACK_MODE): Likewise.
9525 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9526 (HARD_REGNO_OK): Support TFmodes.
9527 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9528 * i386.md (scheduler definitions): Use memory operand to determine
9529 fst/fld instructions; use mode attribute to determine real mode of
9531 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9532 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9534 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9536 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9538 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9540 * expr.c (store_constructor_field): Update ALIGN before calling
9543 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9545 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9548 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9550 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9553 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9555 * c-decl.c (start_function): Don't warn on third parameter to main.
9557 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9559 * tsystem.h: Define HAVE_DECL_GETOPT.
9561 2001-01-02 Philip Blundell <pb@futuretv.com>
9563 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9566 2001-01-02 Richard Henderson <rth@redhat.com>
9568 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9570 2001-01-02 Andreas Jaeger <aj@suse.de>
9572 * c-decl.c (c_decode_option): Remove support of
9575 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9576 (W_options): Add -Wmissing-noreturn here.
9578 * flow.c: Define lang_missing_noreturn_ok_p.
9579 (check_function_return_warnings): Use it.
9581 * c-common.h: Declare lang_missing_noreturn_ok_p.
9583 * c-lang.c (c_missing_noreturn_ok_p): New function.
9584 (lang_init): Set lang_missing_noreturn_ok_p.
9586 * invoke.texi (Warning Options): Document this.
9588 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9590 * extend.texi (C++ Extensions): New node for C++ attributes;
9591 describe init_priority and com_interface.
9592 * invoke.texi: Remove -finit-priority as it now has zero effect.
9593 * install.texi: Fix xref syntax.
9594 * md.texi: Likewise.
9596 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9598 * config.gcc (sparc64-wrs-vxworks*): New case.
9599 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9601 * config/sparc/sparc.c (sparc_override_options): Do support different
9602 pointer and architecture size.
9603 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9604 (POINTERS_EXTEND_UNSIGNED): Define.
9605 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9606 (FUNCTION_MODE): Define to be Pmode.
9607 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9609 * function.c (expand_function_end): Properly handle DECL_RESULT
9610 and copy when ptr_mode != Pmode.
9611 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9613 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9615 * c-common.c (c_common_nodes_and_builtins): Set prototype
9616 parameters for __builtin_fputs, __builtin_fputc and
9617 __builtin_fwrite. Don't declare plain fputc as a builtin.
9619 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9621 * loop.c (add_label_notes): Increment the label usage count when
9622 a note is added to an insn which refers to a CODE_LABEL.
9623 * gcse.c (add_label_notes): Likewise.
9625 2001-01-01 Andreas Jaeger <aj@suse.de>
9627 * loop.c (scan_loop): Use xmalloc to allocate movables.
9629 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9631 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9632 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9633 * reload1.c (REGISTER_MOVE_COST): Likewise.
9634 * regclass.c (REGISTER_MOVE_COST): Likewise.
9635 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9636 dimension. Adjust all users.
9637 (init_reg_sets_1): Iterate on all modes.
9638 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9639 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9640 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9641 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9642 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9643 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9644 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9645 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9646 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9647 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9648 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9649 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9650 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9651 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9652 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9653 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9654 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9655 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9656 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9657 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9658 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9659 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9660 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9661 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9662 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9663 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9664 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9666 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9668 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9669 arg VARIES_P. Call it with extra arg.
9670 (true_dependence): Likewise.
9671 * rtl.h (rtx_addr_can_trap_p): Declare.
9672 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9674 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9675 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9676 pic offset table register if it's zero. All callers changed.
9677 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9679 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9681 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9682 STRING_POOL_ADDRESS_P.
9684 * config/sparc/sparc.c (input_operand): Properly test for short op.
9686 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9687 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9688 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9689 * config/sparc/elf.h: No longer include sol2.h.
9690 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9691 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9693 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9695 2001-01-01 Michael Hayes <mhayes@redhat.com>
9697 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9698 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9699 (record_initial): Likewise.
9700 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9701 (remap_split_bivs): Likewise.
9703 2001-01-01 Michael Hayes <mhayes@redhat.com>
9705 * loop.c (loop_ivs_free): New function.
9706 (strength_reduce): Break out from...
9708 2001-01-01 Michael Hayes <mhayes@redhat.com>
9710 * loop.h (struct iv): New.
9711 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9712 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9713 'reg_biv_class' fields with 'regs' and 'n_regs'.
9714 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9715 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9716 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9718 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9720 * resource.c (mark_referenced_resources): Abort() before
9721 attempting to mark a pseudo register.
9722 (mark_set_resources): Likewise.
9724 2001-01-01 Michael Hayes <mhayes@redhat.com>
9726 * loop.h (REG_IV_CLASS): New accessor macro.
9727 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9728 * unroll.c (REG_IV_CLASS): Likewise.
9730 See ChangeLog.4 for earlier changes.