1 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4 directly include rs6000/rs6000.h. Instead do it in tm.h.
6 2001-05-02 Stan Shebs <shebs@apple.com>
8 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
9 NSConstantString for NeXT-style runtimes.
10 (STRING_OBJECT_GLOBAL_NAME): New macro.
11 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
12 OCTI_STRING_CLASS_DECL.
13 (constant_string_global_id): New macro.
14 (string_class_decl): Ditto.
15 (setup_string_decl): New function.
16 (build_objc_string_object): Use it to build a NeXT runtime
17 compatible string initializer.
19 2001-05-02 Jakub Jelinek <jakub@redhat.com>
21 * tradcpp.c (do_define): Make sure we don't walk past limit.
23 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
26 offsets if not REG_OK_STRICT.
28 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
29 (INT_REG_OK_FOR_INDEX_P): Likewise.
30 (INT_REG_OK_FOR_BASE_P): Likewise.
31 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
32 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
33 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
34 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
35 REG_OK_FOR_BASE_P. Take an additional parameter.
36 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
37 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
38 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
39 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
40 rs6000_legitimate_address() and use it.
41 * config/rs6000/rs6000.c: Update all callers.
42 (rs6000_legitimate_address): New function.
44 2001-05-02 David Edelsohn <edelsohn@gnu.org>
46 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
47 special_constant conditional blocks together.
49 2001-05-02 Dale Johannesen <dalej@apple.com>
51 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
53 (STRICT_ARGUMENT_NAMING): Define.
54 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
55 function_arg_partial_nregs, setup_incoming_varargs): Remove
56 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
59 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
61 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
63 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
66 * expr.c (store_field): Do nothing except elaborate side-effects if
69 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
71 * c-lex.c: NULL_PTR -> NULL.
73 * emit-rtl.c: Likewise.
75 * genpeep.c: Likewise.
77 * mips-tdump.c: Likewise.
78 * reload1.c: Likewise.
79 * rtlanal.c: Likewise.
81 * stor-layout.c: Likewise.
84 2001-05-01 Per Bothner <per@bothner.com>
86 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
87 call do_pending_stack_adjust before emiting label.
89 2001-05-01 Mark Mitchell <mark@codesourcery.com>
91 * extend.texi: Fix typo.
93 2001-05-01 Stan Shebs <shebs@apple.com>
95 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
96 of UOBJC_MODULES_decl.
97 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
98 (generate_descriptor_table): Ditto.
99 (generate_protocols): Ditto.
100 (generate_protocol_list): Ditto.
101 (generate_classref_translation_entry): Ditto.
103 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
105 * invoke.texi (Optimize Options): Add documentation for `--param
106 max-delay-slot-insn-search' and `--param
107 max-delay-slot-live-search' and reorder --param section.
108 * params.def: Modify initial comment.
109 * params.h (param_info): Add `help' member.
110 * toplev.c (lang_independent_params): Include `help' description.
111 (display_help): Print --param parameters.
113 2001-05-01 Zack Weinberg <zackw@stanford.edu>
115 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
116 Remove references to deleted files.
117 (*-*-openbsd): No need to override xmake_file.
118 (*-*-sysv4): Treat like *-*-sysv.
120 * configure.in: Probe for ldopen in various places, and set up
121 collect2 to be linked with them if found.
122 Don't dink with Windows registry stuff unless $host_os is a
123 Win32 os name. Check to see if we need -ladvapi32.
124 * configure: Regenerate.
126 * Makefile: Get rid of CLIB and HOST_CLIB.
127 Substitute in COLLECT2_LIBS and link collect2 against its contents.
128 * build-make: Get rid of HOST_CLIB.
130 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
131 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
132 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
133 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
134 config/rs6000/x-rs6000: Delete.
136 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
139 24 x-host fragments remain, 0 x-cpu, 3 top level.
141 2001-05-01 Zack Weinberg <zackw@stanford.edu>
143 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
144 * configure: Regenerate.
146 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
148 * Makefile.in (install-headers): Remove redundant dependency.
150 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
152 * c-tree.texi (USING_STMT): Document.
154 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
156 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
157 * c-common.c: Likewise.
158 * c-decl.c: Likewise.
159 * combine.c: Likewise.
160 * rs6000.c: Likewise.
161 * except.c: Likewise.
162 * explow.c: Likewise.
164 * fold-const.c: Likewise.
165 * function.c: Likewise.
168 * integrate.c: Likewise.
170 * objc/objc-act.c: Likewise.
172 * reg-stack.c: Likewise.
173 * reload.c: Likewise.
174 * reload1.c: Likewise.
175 * simplify-rtx.c: Likewise.
177 * varasm.c: Likewise.
179 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
181 * diagnostic.def: New file.
182 * diagnostic.h (diagnostic_t): New enum.
183 * Makefile.in (diagnostic.o): Depend on diagnostic.def
185 2001-04-30 Zack Weinberg <zackw@stanford.edu>
187 * tsystem.h: Test only POSIX for availability of string.h
189 * config.gcc (all systems): If USG appeared in xm_defines,
190 change it to POSIX. If both USG and POSIX appeared, just
191 delete USG. Remove unnecessary quotes around xm_defines
193 (m68k-crds-unos*): Don't #define unos - tested nowhere.
194 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
195 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
196 powerpc-*-linux*): No need to set xm_defines - handled by
197 global settings for *-*-linux*.
199 2001-04-30 Zack Weinberg <zackw@stanford.edu>
201 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
202 Always include gstab.h, not system stab.h. Don't provide
203 default definitions of N_CATCH or N_OPT. Always use the
204 gstab.h variant of STAB_CODE_TYPE.
205 * final.c: Don't include stab.h/gstab.h at all, or provide
206 defaults for N_SLINE and N_SOL.
208 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
209 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
211 * sdbout.c: Always include gsyms.h instead of system syms.h.
213 * configure.in: No need to check for stab.h.
214 * configure, config.in: Regenerate.
215 * Makefile.in (final.o): Don't depend on gstab.h.
217 2001-04-30 Mark Mitchell <mark@codesourcery.com>
218 Richard Henderson <rth@redhat.com>
220 * extend.texi: Improve documentation of volatile asms.
222 2001-04-30 Mark Mitchell <mark@codesourcery.com>
224 * c-tree.texi: Fix thinko.
225 * gcc.texi: Likewise.
227 2001-04-30 Richard Henderson <rth@redhat.com>
229 * c-common.c (c_promoting_integer_type_p): New function, from the
230 corpse of old macro. Properly promote too-small enumerations and
231 booleans. Adjust all callers.
232 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
233 (c_promoting_integer_type_p): Declare.
234 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
235 * c-typeck.c: Likewise.
236 (default_conversion): Remove now redundant boolean check.
238 2001-04-30 Jan Hubicka <jh@suse.cz>
239 Richard Henderson <rth@redhat.com>
241 * regmove.c (try_apply_stack_adjustment): Remove now redundant
243 (combine_stack_adjustments_for_block): Don't combine stack
244 allocation followed by deallocations. Handle grow-up stacks.
246 2001-04-30 Mark Mitchell <mark@codesourcery.com>
248 * fdl.texi: New file.
249 * c-tree.texi: Use the GFDL.
250 * gcc.texi: Likewise.
252 2001-04-30 Stan Shebs <shebs@apple.com>
254 * invoke.texi: Add a section documenting Objective-C options.
256 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
258 * emit-rtl.c (try_split): Copy EH notes to sequence.
260 2001-04-30 Mark Mitchell <mark@codesourcery.com>
262 * regmove.c (record_stack_memrefs): Catch all references to the
265 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
267 * Makefile.in(stmp-fixinc): quote shell assignment values
269 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
271 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
275 * prefix.c: Likewise.
277 2001-04-28 Stan Shebs <shebs@apple.com>
279 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
280 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
281 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
282 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
284 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
285 (NEXT_OBJC_RUNTIME): Define.
287 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
289 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
290 * simplify-rtx.c (simplify_gen_relational): Likewise.
292 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
294 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
295 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
297 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
298 registers in SSE case; fix handling of the immediates.
299 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
300 operands to be in regsiters before reload.
301 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
302 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
303 (abstf,absxf,negtf,negxf splitters): Compute
304 properly the regnum for x86_64.
305 (avsdf2_if_rex64): New.
307 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
309 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
310 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
311 into the constant pool.
312 * jump.c (jump_optimize_1): Remove barrier successors after all
313 the LABEL_NUSES counds have been computed.
314 (delete_barrier_successors): When deleting a tablejump insn, also
315 delete the jump table it uses.
316 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
319 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
321 * pa.c (FRP): Remove erroneous white space in macro definition.
323 2001-04-28 Andreas Jaeger <aj@suse.de>
325 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
327 * extend.texi: Likewise.
330 2001-04-28 Andreas Jaeger <aj@suse.de>
332 * md.texi: Use XX-bit instead of XXbit or XX bit where
335 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
337 * gcc.c (process_command): Allow -l lib in addition to -llib
338 for POSIX compliance. This fixes PR c/2347.
340 * invoke.texi: Update section on Link Options accordingly.
342 2001-04-27 Zack Weinberg <zackw@stanford.edu>
344 * function.c (purge_addressof_1): Remove the duplicate
345 if (code == SET) block. Fold the two if (code == ADDRESSOF)
348 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
350 * except.c (expand_eh_region_start): Don't start a new block.
351 (expand_eh_region_end): Don't end a block.
352 * stmt.c (expand_end_bindings): Don't end EH blocks.
353 (expand_decl_cleanup): Starting an EH region won't change the block.
354 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
355 (is_eh_region): Lose.
358 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
360 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
362 * collect2.c (main): Add `-L' case to remove duplicate entries.
363 (is_in_args): New function to check for a duplicate argument.
364 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
365 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
366 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
367 Define to be nonzero.
369 2001-04-27 Andreas Jaeger <aj@suse.de>
370 Richard Henderson <rth@redhat.com>
372 * md.texi (Machine Constraints): Document additional i386
373 constraints and fix description of "A".
375 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
377 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
379 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
381 * except.c (get_exception_filter): word_mode, not Pmode.
383 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
385 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
386 common to other movsf patterns. Move up so that in future
387 people who change the other patterns will change it too.
388 (movsf_lo_sum): Allow even for soft-float; add appropriate
390 (movsf_high): Likewise.
391 (movsf_high+1): Allow even for soft-float.
393 * function.c (expand_function_end): Always clobber the
394 return registers, even if there is no return label.
396 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
398 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
400 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
402 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
403 (pushqi2_rex64, pushhi2_rex64): Add.
405 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
407 * except.c (expand_eh_region_end_cleanup): Force pending stack
408 adjust before emitting label that branches around cleanup code.
410 2001-04-26 H.J. Lu (hjl@gnu.org)
412 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
414 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
416 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
417 (ASM_OUTPUT_SECTION_NAME): Likewise.
418 (ASM_WEAKEN_LABEL): Likewise.
419 (UNIQUE_SECTION): Likewise.
420 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
421 (ASM_OUTPUT_DESTRUCTOR): Likewise.
422 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
423 (ASM_OUTPUT_SECTION_NAME): Likewise.
424 (ASM_WEAKEN_LABEL): Likewise.
425 (UNIQUE_SECTION): Likewise.
426 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
427 (ASM_OUTPUT_DESTRUCTOR): Likewise.
428 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
429 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
430 (ASM_FILE_START): Likewise.
431 (ASM_OUTPUT_SOURCE_LINE): Likewise.
432 (ASM_DECLARE_OBJECT_NAME): Likewise.
433 (ASM_FILE_END): Likewise.
434 (ASM_DECLARE_FUNCTION_NAME): Likewise.
435 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
436 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
437 (ASM_OUTPUT_CASE_LABEL): Likewise.
438 (ASM_OUTPUT_SKIP): Likewise.
439 (ASM_OUTPUT_ASCII): Likewise.
440 (ASM_OUTPUT_IDENT): Likewise.
441 (READONLY_DATA_SECTION): Likewise.
442 (EXTRA_SECTIONS): Likewise.
443 (EXTRA_SECTION_FUNCTIONS): Likewise.
444 (SELECT_RTX_SECTION): Likewise.
445 (SELECT_SECTION): Likewise.
447 * config/mips/linux.h (INVOKE__main): Undefine.
448 (CTOR_LIST_BEGIN): Likewise.
449 (CTOR_LIST_END): Likewise.
450 (DTOR_LIST_BEGIN): Likewise.
451 (DTOR_LIST_END): Likewise.
452 (SET_ASM_OP): Defined it to ".dummy".
453 (ASM_OUTPUT_DEF): Defined.
454 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
456 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
458 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
459 assembler supports .p2align.
461 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
463 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
465 2001-04-26 Jakub Jelinek <jakub@redhat.com>
467 * integrate.c (expand_inline_function): Check for error_mark_node
470 2001-04-26 Jakub Jelinek <jakub@redhat.com>
472 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
475 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
477 * configure.in (configargs.h): Define thread_model.
478 * configure: Rebuilt.
479 * gcc.c (main): Print it with -v.
481 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
483 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
484 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
487 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
489 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
490 is_redundant_typedef): Use static inline instead of inline static.
492 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
494 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
495 this directory is always searched.
497 2001-04-25 Richard Henderson <rth@redhat.com>
499 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
500 of registers to restore along non eh_return path.
502 2001-04-25 Jakub Jelinek <jakub@redhat.com>
504 * c-format.c (check_format_info_recurse): Handle
505 PLUS_EXPR for format string.
507 2001-04-25 Jakub Jelinek <jakub@redhat.com>
509 * config/ia64/ia64.h (CC1_SPEC): Define.
510 * config/ia64/linux.h (CC1_SPEC): Define.
512 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
514 * emit-rtl.c (constant_subword): Also do sign extension in
515 BITS_PER_WORD == 16 case.
517 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
519 * loop.c (try_swap_copy_prop): Go back to checking insn.
521 2001-04-25 Jakub Jelinek <jakub@redhat.com>
523 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
524 if check_mode is non-zero.
526 2001-04-25 Jakub Jelinek <jakub@redhat.com>
528 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
529 out and comparison sequence has been detected, put result into
530 proper temporary pseudo.
532 2001-04-24 Zack Weinberg <zackw@stanford.edu>
534 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
535 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
536 * libgcc2.c: Remove __dummy and __builtin_saveregs.
537 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
538 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
539 for future reference.
541 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
543 * except.c (reachable_handlers): Step out one level from a RESX.
545 * except.c (struct eh_region): Rename 'last' to 'resume'.
546 (mark_eh_region, duplicate_eh_region_1): Adjust.
547 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
548 (build_post_landing_pads): Likewise.
549 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
550 (expand_eh_region_end_must_not_throw): Likewise.
551 (connect_post_landing_pads): Thread (only) regions with non-deleted
554 * except.c (expand_eh_region_end_cleanup): Save the EH return data
555 registers around the cleanup.
556 (get_exception_filter): New fn.
557 (finish_eh_generation): Use it.
559 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
561 * c-semantics.c (add_scope_stmt): Don't call
562 current_scope_stmt_stack multiple times.
564 2001-04-24 Zack Weinberg <zackw@stanford.edu>
565 Nathan Sidwell <nathan@codesourcery.com>
567 Lazy __FUNCTION__ generation.
568 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
569 RID_C99_FUNCTION_NAME): New _RIDs.
570 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
571 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
572 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
574 (function_id_node, pretty_function_id_node, func_id_node): Remove.
575 (c99_function_name_decl_node, function_name_decl_node,
576 pretty_function_name_decl_node, saved_function_name_decls):
578 (struct language_function): Remove x_function_name_declared_p.
579 (make_fname_decl): Remove a parameter.
580 (declare_function_names): Remove prototype.
581 (start_fname_decls, finish_fname_decls): Prototype.
582 (fname_as_string): Likewise.
583 (fname_string, fname_decl): Likewise.
584 * c-common.c (make_fname_decl): Adjust.
585 (struct fname_var_t): New struct.
586 (fname_vars): New static array.
587 (declare_function_name): Remove.
588 (start_fname_decls, finish_fname_decls): New functions.
589 (fname_as_string): New function from remnants of
590 declare_function_name.
591 (fname_string, fname_decl): New functions.
593 * c-decl.c (c_function_name_declared_p): Remove.
594 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
595 don't call declare_function_name. Call start_fname_decls.
596 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
597 clobber the line number. Call finish_decl.
598 (start_function): Call start_fname_decls.
599 (finish_function): Call finish_fname_decls.
600 Remove c_function_name_declared_p.
601 (push_c_function_context): Don't push c_function_name_declared_p.
602 (pop_c_function_context): Don't pop c_function_name_declared_p.
603 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
604 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
605 (program): Call finish_fname_decls for C.
606 (primary): Add VAR_FUNC_NAME.
607 (reswords): Add slots for __FUNCTION__ et al.
608 (rid_to_yy): Add mappings for __FUNCTION__ et al.
609 (yylexname): If it's a STRING_FUNC_NAME generate the function name
610 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
611 * c-semantics.c (prune_unused_decls): Remove.
612 (finish_stmt_tree): Don't call prune_unused_decls.
613 (genrtl_decl_stmt): Don't prune unused decls here.
615 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
617 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
618 constant pool, use the pool's SYMBOL_REF instead.
620 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
623 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
625 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
626 passing nested NOP_EXPRs to fold.
628 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
630 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
632 2001-04-22 Mark Mitchell <mark@codesourcery.com>
634 * loop.c (loop_delete_insns): Add prototype.
636 2001-04-23 Phil Edwards <pme@sources.redhat.com>
638 * configure.in: Remove ENABLE_STD_NAMESPACE.
639 * config.in: Regenerated.
640 * configure: Regenerated.
642 2001-04-22 Stan Shebs <shebs@apple.com>
644 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
646 * config/rs6000/xm-darwin.h: Remove file.
648 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
650 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
651 (write_c_file_stat): Likewise.
653 * dbxout.c (dbxout_init): Likewise.
655 * profile.c (output_func_start_profiler): Likewise.
657 2001-04-22 Philipp Thomas <pthomas@suse.de>
659 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
660 require it instead of the CVS version.
661 * cpperror.c (v_message): Put a blank before the macro
662 body to not confuse exgettext.
664 2001-04-21 Mark Mitchell <mark@codesourcery.com>
666 * flow.c (proagate_one_insn): Remove useless assignment.
667 * jump.c (delete_insn): Tidy.
668 * loop.c (try_copy_prop): When deleting an instruction with a
669 REG_RETVAL note, delete the entire libcall sequence.
670 (loop_delete_insns): New function.
671 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
672 we're not substituting into them yet.
674 2001-04-21 Kazu Hirata <kazu@hxi.com>
676 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
678 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
680 * config/i960/i960.c (signed_arith_operand): Likewise.
682 * calls.c (expand_call): Fix a comment typo.
684 2001-04-20 Zack Weinberg <zackw@stanford.edu>
686 * configure.in: Probe for times, clock, struct tms, and clock_t.
687 * configure, config.in: Regenerate.
688 * timevar.c: Replace ifdef forest in get_time with (relatively)
689 straightforward series of checks based on autoconf's probes.
691 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
693 * config/pa/som.h (NM_FLAGS): Define.
695 2001-04-20 Bernd Schmidt <bernds@redhat.com>
697 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
699 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
700 * ia64.c (nop_cycles_until): New function.
701 (prev_cycle, prev_first, last_issued): New static variables.
702 (ia64_sched_reorder): Additional arg for clock.
703 On final scheduling pass, emit extra NOPs as needed.
704 Set prev_first and prev_cycle.
705 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
706 (ia64_variable_issue): Set last_issued.
708 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
710 * config/i386/i386.c (ix86_expand_int_movcc,
711 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
713 2001-04-20 Geoff Keating <geoffk@redhat.com>
715 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
716 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
717 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
718 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
719 ctrdi_internal6): In the short-branch case, this insn is only 4
720 bytes long. Reported by Reza Yazdani <reza@apple.com>.
722 2001-04-20 Jakub Jelinek <jakub@redhat.com>
724 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
725 "=u" is used together with "st" resp. "st(1)" clobber.
727 2001-04-20 Jakub Jelinek <jakub@redhat.com>
729 * gcse.c (gcse_main): Fix comment typo.
730 (delete_null_pointer_check): Likewise.
731 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
732 * cse.c (cse_insn): Likewise.
733 * function.c (fixup_var_refs_insns_with_hash): The sequence is
736 2001-04-19 Zack Weinberg <zackw@stanford.edu>
738 * toplev.c: Excise all code for the undocumented -dm option.
739 (float_signal): Call signal just once, unconditionally.
741 2001-04-19 Geoff Keating <geoffk@redhat.com>
743 * fold-const.c (fold): Use first_rtl_op rather than
744 TREE_CODE_LENGTH when looping over parameters of a tree.
745 Correct strange grouping in test for evaluated SAVE_EXPR.
747 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
749 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
750 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
752 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
753 name at 32 total characters.
754 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
755 functions in named sections -- data items can still go into unique
756 sections, but they have normal names (ie $LIT$ and $DATA$).
758 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
761 2001-04-19 DJ Delorie <dj@redhat.com>
763 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
764 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
765 * config/i386/cygwin.h: Likewise.
766 * config/i386/mingw32.h: Likewise.
767 * config/vax/vms.h: Likewise.
768 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
770 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
771 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
772 * config/i386/xm-cygwin.h: Likewise.
773 * config/i386/xm-djgpp.h: Likewise.
774 * config/i386/xm-mingw32.h: Likewise.
775 * config/vax/xm-vms.h: Likewise.
777 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
778 instead of OBJECT_SUFFIX.
779 * collect2.c (find_a_file): Look for files matching the extension
780 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
781 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
782 TARGET_EXECUTABLE_SUFFIX.
783 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
784 (make_relative_prefix): Likewise.
785 (convert_filename): Use TARGET_ suffixes throughout. Remove
787 (process_command): Likewise.
788 (do_spec_1): Likewise.
789 * java/lang.c (init_parse): Likewise.
791 * gcc.texi : Document four new options matching the pattern
792 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
793 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
794 documentation for NO_AUTO_EXE_SUFFIX.
796 2001-04-19 Mark Mitchell <mark@codesourcery.com>
798 * toplev.h (struct lang_hooks): Allow decode_option to indicate
799 that language-independent processing should not be done.
800 * toplev.c (main): Adjust accordingly.
802 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
803 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
805 * mips.md (reload_outputdi): Require that operand0 be a
808 2001-04-19 Jakub Jelinek <jakub@redhat.com>
810 * invoke.texi (-Wshadow): Clarify.
812 2001-04-18 Mark Mitchell <mark@codesourcery.com>
814 * loop.c (load_mems): Examine all the instructions in the loop
815 before concluding that all jumps branch to the first instruction
818 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
820 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
822 2001-04-18 Jakub Jelinek <jakub@redhat.com>
824 * cpp.texi (-Wwhite-space): Remove.
825 (-Wall): -Wall does not imply -Wwhite-space.
827 2001-04-17 Zack Weinberg <zackw@stanford.edu>
829 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
830 use it instead of blindly generating a .stabs.
831 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
833 * xcoffout.c: Don't bother defining default for N_CATCH.
834 (UNKNOWN_STAB): Use internal_error.
835 (stab_to_sclass): Remove now-unnecessary aborts.
836 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
838 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
840 * jump.c (mark_all_labels): Canonicalize the tail recursion
841 label attached to CALL_PLACEHOLDER insns.
843 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
845 * output.h (dump_flow_info, free_basic_block_vars,
846 which_alternative): Delete redundant prototypes.
848 * rtl.h (bss_section): Likewise.
850 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
852 * dbxout.c (N_OPT): Define if not available from <stab.h>
854 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
856 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
857 libraries and native K&R compilers.
859 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
861 * c-typeck.c (convert_arguments): Don't check for width changes
864 * invoke.texi (-Wtraditional): Update documentation.
866 2001-04-16 Zack Weinberg <zackw@stanford.edu>
868 * toplev.c (output_lang_identify): Delete.
869 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
870 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
871 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
872 after calling ASM_FILE_END.
874 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
875 Instead, unconditionally emit an N_OPT stab with string equal
876 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
878 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
880 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
881 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
882 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
883 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
884 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
885 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
886 config/i370/i370.h, config/i386/beos-elf.h,
887 config/i386/osf1elf.h, config/i386/osfrose.h,
888 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
889 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
890 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
891 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
892 config/mips/iris6.h, config/mips/osfrose.h,
893 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
894 config/sparc/sp64-elf.h:
895 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
896 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
898 * config/elfos.h, config/freebsd.h, config/linux.h,
899 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
900 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
901 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
902 of ASM_FILE_START which merely emit a .version directive. Delete
903 definitions of ASM_FILE_END which merely emit an .ident directive.
905 * config/avr/avr.h, config/vax/vax.h: Delete definition of
906 ASM_IDENTIFY_GCC and move part of its logic into
909 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
910 config/sparc/linux-aout.h: Don't emit .version directive in
913 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
914 (output_file_start): Correct comment.
916 * config/i386/osfrose.h: Don't emit trailing .ident directive.
917 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
919 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
920 * config/rs6000/aix.h: Correct comment.
922 * config/i386/i386afe.h: Delete.
923 * config.gcc: Remove references to i386afe.h.
925 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
926 other macros deleted by this patch were undocumented.
928 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
930 * pa.md (reload_outdi): Operand 0 must be a non hard register.
932 * pa.c (secondary_reload_class): SAR<->FP copies require a
935 * install.texi (mips-mips-bsd): Update list of functions
936 required to include memmove.
937 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
938 used functions to include memmove.
940 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
942 * i386.md (sqrtdf2): SFmode should be DFmode.
944 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
946 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
947 (find_moveable_store): Likewise.
949 2001-04-15 Jim Wilson <wilson@redhat.com>
951 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
953 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
955 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
956 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
958 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
960 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
963 2001-04-14 Alan Modra <amodra@one.net.au>
965 * pa.c (force_mode): New function.
966 (emit_move_sequence): Use it instead of generating new rtx_REGs.
968 2001-04-13 Jim Wilson <wilson@redhat.com>
970 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
971 (first_instruction): New static variable.
972 (rtx_needs_barrier): Return 1 for alloc.
973 (init_insn_group_barriers): Set first_instruction.
974 (rws_sum): Delete duplicate definition.
975 (group_barrier_needed_p): Return 0 when first_instruction true.
976 (safe_group_barrier_needed_p): Save and restore first_instruction
977 around group_barrier_needed_p call.
979 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
981 * expr.h (enum libfunc_index): Add LTI_memmove.
982 (memmove_libfunc): Define macro.
983 * optabs.c (init_optabs): Initialize memmove_libfunc.
984 * expr.c (expand_assignment): Use memmove_libfunc instead of
987 2001-04-13 Alan Modra <alan@linuxcare.com.au>
989 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
992 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
994 * Makefile.in (reg-stack.o): Depend on reload.h.
995 (insn-attrtab.o): Depend on flags.h.
997 * genattrtab (main): Include flags.h in insn-attrtab.c.
999 * reg-stack.c: Include reload.h.
1001 * sparc.h (flag_pic): Delete redundant declaration.
1003 * output.h (flag_pic): Likewise.
1005 * tree.h (pedantic): Likewise.
1007 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1009 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1011 * jump.c, regmove.c, toplev.c: Include reload.h.
1013 * reload.h (reload_cse_regs): Declare.
1015 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1016 reload_cse_regs, init_reload, mark_home_live, reload,
1017 init_caller_save): Delete redundant prototypes.
1019 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1021 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1023 * regclass.c, ssa.c: Include expr.h.
1025 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1026 gen_move_insn): Delete redundant declarations.
1028 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1030 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1031 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1032 MAKEINFO and MAKEINFOFLAGS too.
1033 (stage4_build): Correctly order -B flags.
1035 2001-04-13 Alan Modra <amodra@one.net.au>
1037 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1038 PIC_OFFSET_TABLE_SAVE_RTX.
1039 (zdepi_cint_p): Describe zdepi insn.
1040 Formatting and white space fixes throughout file.
1042 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1043 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1044 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1045 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1046 (output_64bit_and): Use plain `int's for shift counts.
1047 (output_64bit_ior): Likewise.
1048 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1049 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1052 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1053 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1054 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1055 NEW_HP_ASSEMBLER into one. Kill warnings.
1057 * pa-gas.h: Delete file.
1058 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1059 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1060 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1061 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1063 * config/pa/mill32.S: New file.
1064 * config/pa/mill64.S: New file.
1065 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1066 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1067 * config/pa/t-linux64: New file.
1068 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1069 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1070 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1072 * elfos.h (SELECT_SECTION): Undef before defining.
1073 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1074 (LIB_SPEC): Remove -lmilli.
1075 (DBX_REGISTER_NUMBER): Remove.
1076 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1077 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1078 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1079 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1080 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1081 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1082 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1083 TARGET_GAS): Define.
1084 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1085 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1086 regs if we don't have a prototype.
1087 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1088 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1089 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1090 EH_RETURN_HANDLER_RTX): Define.
1091 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1092 (DWARF_FRAME_REGNUM): Define.
1093 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1094 * pa32-linux.h: New file.
1095 * pa64-linux.h: New file.
1097 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1098 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1099 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1100 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1101 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1102 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1103 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1104 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1105 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1106 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1107 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1108 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1109 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1110 * pa64-hpux.h: New file.
1111 (ASM_FILE_START): Correct typo.
1112 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1113 * config.gcc: Modify for above.
1115 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1117 * jump.c (jump_optimize_1): Don't delete dead stores here.
1118 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1119 prior to running jump optimize before cse2.
1121 2001-04-12 Richard Henderson <rth@redhat.com>
1123 * Makefile.in (regmove.o): Depend on except.h.
1124 * regmove.c: Include it.
1126 2001-04-12 Stan Shebs <shebs@apple.com>
1128 * objc/objc-act.c: Remove all code ifdefed with the never-used
1129 macro OBJC_INT_SELECTORS.
1130 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1131 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1133 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1135 * config/pa/quadlib.c: Add prototypes.
1137 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1139 * bitmap.h (debug_bitmap): Delete redundant prototype.
1141 * rtl.h (get_frame_size): Likewise.
1143 2001-04-12 Jim Wilson <wilson@redhat.com>
1145 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1146 to just emit an fnorm.
1148 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1150 * c-common.h (truthvalue_conversion, type_for_mode,
1151 type_for_size): Delete redundant declarations.
1153 * c-lex.h (is_class_name): Likewise.
1155 * c-tree.h (pedantic, convert, getdecls, gettags,
1156 global_bindings_p, init_decl_processing, insert_block,
1157 maybe_build_cleanup, poplevel, print_lang_decl,
1158 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1159 set_block, incomplete_type_error, build_function_call,
1160 lvalue_or_else, mark_addressable): Likewise.
1162 * expr.h (expand_tree_builtin): Likewise.
1164 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1166 * invoke.texi: Document --param max-gcse-memory.
1168 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1170 * configure.in (errno): Check for declaration.
1171 * configure, config.in: Regenerated.
1173 * system.h (errno): Only declare if not already done.
1175 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1177 * recog.c (general_operand, immediate_operand,
1178 nonmemory_operand): Require CONST_INTs to be sign-extended
1179 values for their modes.
1181 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1183 * expmed.c (store_bit_field): Truncate CONST_INTs.
1184 (expand_mult_highpart, expand_divmod): Likewise.
1185 * expr.c (convert_modes, store_field): Likewise.
1186 * integrate.c (expand_inline_function): Use promote_mode() to
1187 determine whether to convert_modes() an argument as signed
1189 * optabs.c (expand_binop): Get CONST_INT operands
1190 sign-extended for their appropriate modes.
1191 * stmt.c (emit_case_nodes): Convert node values to the
1193 (expand_end_case): Convert minval and range to the appropriate
1195 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1196 the iteration variable.
1197 * varasm.c (immed_double_const): Don't require words to be
1198 narrower than host wide ints to properly sign-extend
1201 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1203 * sh.md (builtin_setjmp_receiver): New expander.
1205 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1207 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1208 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1209 for generating CONST_INT and CONST_DOUBLE.
1211 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1213 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1214 already sign-extended.
1215 (rs6000_emit_prologue): Make register iterator signed.
1216 (rs6000_emit_epilogue): Likewise.
1217 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1219 (movsf split, movdf split): Sign-extend CONST_INTs.
1220 (movdi splits): Likewise.
1222 2001-04-12 Kelley Cook <kelley.cook@home.com>
1224 * config-lang.in (lang_dirs): Add in zlib.
1226 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1228 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1229 operands that make it to RTL.
1231 2001-04-11 Stan Shebs <shebs@apple.com>
1233 Add Darwin (Mac OS X kernel) native support.
1234 * config.gcc (powerpc-*-darwin*): Add native bits.
1235 * config/darwin.c: New file, generic Darwin support functions.
1236 * config/darwin.h: New file, generic Darwin definitions.
1237 * config/darwin-protos.h: New file, generic Darwin prototypes.
1238 * rs6000/darwin.h: New file, Darwin for PowerPC.
1239 * rs6000/t-darwin: New file, Darwin makefile fragment.
1240 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1241 (TARGET_MACHO): Ditto.
1242 (rs6000_abi): Add ABI_DARWIN.
1243 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1244 (RS6000_SAVE_AREA): Ditto.
1245 (FP_ARG_MAX_REG): Ditto.
1246 (RETURN_ADDRESS_OFFSET): Ditto.
1247 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1249 (rs6000_emit_move): Add ABI_DARWIN cases.
1250 (print_operand): Ditto.
1251 (first_reg_to_save): Ditto.
1252 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1253 (debug_stack_info): Ditto.
1254 (rs6000_emit_prologue): Ditto.
1255 (rs6000_emit_epilogue): Ditto.
1256 (output_profiler_hook): Ditto.
1257 (output_function_profiler): Ditto.
1258 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1259 (output_mi_thunk): Add TARGET_MACHO case.
1260 (add_compiler_stub): Ditto.
1261 (output_compiler_stub): Ditto.
1262 (no_previous_def): Ditto.
1263 (output_call): Ditto.
1264 (machopic_output_stub): Ditto.
1265 (rs6000_machopic_legitimize_pic_address): Ditto.
1266 (toc_section): Ditto.
1267 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1268 (macho_high): Ditto.
1271 (load_macho_picbase): Ditto.
1272 (call): Add TARGET_MACHO case to modify function.
1273 (call_value): Ditto.
1274 (call_nonlocal_sysv): Add ABI_DARWIN case.
1275 (call_value_nonlocal_sysv): Ditto.
1276 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1278 (machopic_output_stub): Ditto.
1279 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1281 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1283 * dwarf2out.c (modified_type_die): Don't create new types here.
1284 * tree.h (get_qualified_type): New function.
1285 (build_qualified_type): Adjust comment.
1286 * tree.c (get_qualified_type): New function.
1287 (build_qualified_type): Use it.
1289 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1291 * cpp.texi (-Wtraditional): Update description.
1293 * invoke.texi (-Wtraditional): Likewise.
1295 2001-04-11 Jim Wilson <wilson@redhat.com>
1297 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1298 requires more than 64 bits of alignment.
1300 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1302 * cpplib.c (do_line): Sanity check iff enable checking.
1304 2001-04-11 Richard Henderson <rth@redhat.com>
1306 * Makefile.in (insn-recog.o): Depend on toplev.h.
1307 (insn-emit.o, doloop.o): Likewise.
1308 * genrecog.c, genemit.c: Include toplev.h in generated file.
1309 * doloop.c: Include toplev.h.
1311 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1313 * Makefile.in (gcse.o): Depend on params.h.
1314 * gcse.c: Include params.h.
1315 (gcse_main): Don't do GCSE if doing so will take inordinate
1317 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1318 * params.h (MAX_GCSE_MEMORY): New macro.
1320 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1322 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1324 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1326 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1328 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1330 * real.h (ereal_atof, real_value_truncate, target_isnan,
1331 target_isinf, target_negative, assemble_real, debug_real): Delete
1332 redundant prototypes.
1334 * Makefile.in (ifcvt.o): Depend on toplev.h.
1336 * c-semantics.c: Include expr.h.
1338 * ifcvt.c: Include toplev.h.
1340 * expr.h (rtx_equal_p): Delete prototype.
1342 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1343 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1344 eliminate_constant_term, expand_complex_abs, find_single_use,
1345 make_tree, init_expr_once, init_optabs, supports_one_only):
1348 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1349 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1350 expand_assignment, store_expr, emit_line_note_after,
1351 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1353 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1355 * sparc-protos.h: Delete redundant prototypes.
1357 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1359 * reload.c (push_reload): Add condition missed in SUBREG byte
1362 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1364 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1366 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1368 * i386.md (floatsisf_sse): Fix output template
1369 * i386.c (ix86_expand_fp_movcc)
1371 * reg-stack.c (emit_pop_insn): Handle complex modes.
1372 (move_for_stack_reg): Emit proper move mode.
1373 (subst_stack_regs_pat): Handle complex modes.
1375 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1377 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1379 2001-04-10 Richard Henderson <rth@redhat.com>
1381 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1382 (__pure_virtual, __terminate, __terminate_set_func,
1383 __default_terminate, __throw_type_match, __empty,
1384 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1385 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1386 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1387 Remove prototypes of deleted functions.
1389 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1391 * c-typeck.c (convert_arguments): -Wtraditional now activates
1392 -Wconversion warnings, except for changes in signed-ness.
1393 Detect complex<->int & int<->complex conversions as well.
1395 * invoke.texi (-Wtraditional): Document it.
1397 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1399 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1400 * flow.c (set_block_for_new_insns): Remove needless cast and
1401 properly check for unset block number.
1403 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1405 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1406 the subreg was a hard register. Pseudos are left as subregs.
1408 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1410 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1411 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1412 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1413 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1414 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1416 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1418 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1420 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1422 * output.h (set_block_num): Missed it earlier, remove deprecated
1425 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1427 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1428 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1429 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1430 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1431 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1432 (expr_killed_p): Change bb parameter from int to basic_block, pass
1433 basic_blocks instead of ints as parameters.
1434 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1435 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1436 from int to basic_block, pass basic_blocks instead of ints as parms.
1437 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1438 parameter from int to basic_block, pass basic_blocks instead of ints.
1439 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1440 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1441 pass basic_blocks instead of ints.
1442 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1443 basic_blocks instead of ints as parameters.
1444 (pre_delete): Pass basic_blocks instead of ints as parameters.
1445 (hoist_expr_reaches_here_p): Change bb parameter from int to
1446 basic_block, pass basic_blocks instead of ints.
1447 (hoist_code): Pass basic_blocks instead of ints as parameters.
1448 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1449 Change bb parameter from int to basic_block.
1450 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1451 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1452 pass basic_blocks instead of ints.
1453 (insert_store): Pass basic_blocks instead of ints as parameters.
1454 (replace_store_insn, delete_store): Change bb parameter from int to
1455 basic_block, pass basic_blocks instead of ints.
1456 (store_motion): Pass basic_blocks instead of ints as parameters.
1458 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1460 * basic-block.h (set_new_block_for_insns): New Prototype.
1461 (set_block_num): Delete prototype.
1462 * flow.c (set_block_num): Remove obsolete function.
1463 (set_block_for_new_insns): Set BB for single or multiple insns.
1464 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1465 (process_insn_end_bb): Use set_block_for_new_insns or
1466 set_block_for_insn instead of set_block_num.
1467 (pre_insert_copy_insn): Use set_block_for_new_insns.
1468 (update_ld_motion_stores): Use set_block_for_new_insns.
1469 (insert_insn_start_bb): Use set_block_for_new_insns.
1470 (replace_store_insn): Use set_block_for_new_insns.
1472 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1473 Jeff Law <law@redhat.com>
1475 * alias.c (get_addr): Externalize.
1476 (canon_true_dependence): New function. Behaves like true_dependance
1477 except it already assumes a MEM has been canonicalized.
1478 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1479 * gcse.c (struct ls_expr): Add load/store expressions structure.
1480 (modify_mem_list, canon_modify_mem_list): New variable.
1481 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1482 load motion and store motion if requested.
1483 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1484 (free_gcse_mem): Free the modify_mem_list array.
1485 (oprs_unchanged_p): Use load_killed_in_block_p.
1486 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1487 (mems_conflict_for_gcse_p): New function. Don't kill loads
1488 with stores to themselves if its in the load/store expression list.
1489 (load_killed_in_block_p): New function.
1490 (canon_list_insert): New Function.
1491 (record_last_mem_set_info): Keep a list of all instructions which
1492 can modify memory for each basic block.
1493 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1494 (oprs_not_set_p): Use load_killed_in_block_p.
1495 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1496 (expr_killed_p): Use load_killed_in_block_p.
1497 (compute_transp): Do not pessimize memory references.
1498 (pre_edge_insert): Update stores for a load motion expression.
1499 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1500 (ldst_entry): Find or create a ldst_expr structure.
1501 (free_ldst_entry): Free memory for an individual item.
1502 (free_ldst_mems): Free entire load/store expression list.
1503 (print_ldst_list): Print debug info.
1504 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1505 (enumerate_ldsts): Assign integer values to each entry in list.
1506 (first_ls_expr): First expression in the list.
1507 (next_ls_expr): Next expression in the list.
1508 (simple_mem): Check if expression qualifies for ld/st expression list.
1509 (invalidate_any_buried_refs): Remove from expression list if its
1510 used in some other way we dont understand.
1511 (compute_ld_motion_mems): Find all potential enhanced load motion
1513 (trim_ld_motion_mems): Remove any expressions which are invalid.
1514 (update_ld_motion_stores): Copy store values to registers for loads
1515 which have been moved.
1516 (regvec, st_antloc, num_store): New global statics.
1517 (reg_set_info): Marks registers as set.
1518 (store_ops_ok): Verfies registers expressions are valid in a block.
1519 (find_moveable_store): Look for moveable stores in a pattern.
1520 (compute_store_table): Find stores in a function worth moving, maybe.
1521 (load_kills_store): Check dependance of a load and store.
1522 (find_loads): Find any loads in a pattern.
1523 (store_killed_in_insn): Check if a store is killed in an insn.
1524 (store_killed_after): Check is store killed after an insn in a block.
1525 (store_killed_before): Check is store killed before an insn in a block.
1526 (build_store_vectors): Generate the antic and avail vectors.
1527 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1528 (insert_store): Add a store to an edge.
1529 (replace_store_insn): Replace a store with a SET insn.
1530 (delete_store): Delete a store insn.
1531 (free_store_memory): Free memory.
1532 (store_motion): Perform store motion.
1533 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1534 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1535 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1536 (f_options): Add gcse-lm and gcse-sm.
1538 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1540 * i386.c (expand_fp_movcc): Fix condition reversal code.
1542 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1543 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1544 (CLASS_MAX_NREGS): Use it.
1546 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1547 handle properly complex values.
1548 (CLASS_MAX_NREGS): Likewise; update comment.
1550 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1552 * ia64.c (ia64_flag_schedule_insns2): New variable.
1553 (ia64_override_options): Initialize it. Clear
1554 flag_schedule_insns_after_reload.
1555 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1557 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1559 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1560 Do not require source to match destination anymore;
1561 Add abort to the nontrivial cases that should be handled by split.
1562 (fix_trunc?fdi): Add SSE case for x86_64.
1563 (floatdi?f): Likewise.
1564 (floatdi?f_sse): New.
1565 (fix_trunc?fdi_sse): New.
1567 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1569 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1570 (DEBUG_ARANGES_END_LABEL): Ditto.
1571 (dwarfout_init): Generate length and version fields at the start
1572 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1573 after the length field.
1574 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1575 the .debug_aranges info.
1577 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1579 * i386.c (call, call_value): Make sure that resulting call_insn
1580 does have proper second operand.
1582 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1584 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1585 function. Remove include of sys/cygwin.h.
1587 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1589 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1590 (CPP_SPEC): Always search */include/w32api for header files.
1591 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1592 (LINK_SPEC): Add "cyg" to the library search prefixes.
1594 2001-04-08 Philip Blundell <philb@gnu.org>
1596 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1598 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1600 * cpperror.c (print_location): Don't special case <stdin>.
1601 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1602 WARNING, but we don't check if we're in system headers.
1603 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1604 * cpplib.c (do_warning): Warn in system headers.
1606 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1608 * mbchar.c: Include config.h first.
1610 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1612 * config.gcc: Set default for xmake_file at top, not bottom.
1613 Change places that set xmake_file to "none" to set to the
1614 empty string instead, or remove them entirely if there is no
1615 default xmake_file for this cpu_type. Remove references to
1618 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1619 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1620 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1621 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1622 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1623 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1624 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1625 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1626 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1627 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1630 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1631 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1632 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1633 config/mips/x-sysv, config/rs6000/x-aix31:
1634 Just set CLIB to -lld or -lmld, as appropriate.
1636 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1637 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1638 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1639 config/mips/x-iris, config/pa/x-pa:
1640 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1641 OTHER_FIXINCLUDES_DIRS.
1643 * config/i386/x-djgpp: Don't set LN or LN_S.
1644 * config/m88k/x-dolph: Don't define __m88k__.
1645 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1646 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1647 * config/i860/fx2800.h: No need to #undef SVR4.
1649 38 x-host fragments remain, 2 x-cpu.
1651 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1653 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1655 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1657 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1659 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1661 * configure.in: Add check for lstat.
1662 * configure, config.in: Regenerate.
1663 * cppinit.c (append_include_chain): Make empty path ".".
1664 * cpplib.c (do_line): Don't simplify #line paths.
1665 * cppfiles.c (remove_component_p): New function.
1666 (find_or_create_entry): Acknowledge stat () errors during
1667 path simplification.
1668 (handle_missing_header): Don't simplify paths.
1669 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1670 the empty path untouched. Don't leave a trailing '/'.
1672 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1674 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1675 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1677 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1679 * cppfiles.c (open_file): Fail directories silently, but
1680 with an errno of NOENT set.
1681 (read_include_file): Move the common exit code to the sole
1682 caller. Return an int indicating success or failure. Let
1683 open_file handle directories.
1684 (stack_include_file): If read_include_file fails,
1685 push a "null" buffer.
1687 2001-04-05 DJ Delorie <dj@redhat.com>
1689 * function.h (virtuals_instantiated): Declare.
1690 * function.c: (virtuals_instantiated): Make global.
1691 * calls.c (emit_library_call_value_1): Use
1692 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1693 Otherwise, use the stack pointer directly.
1695 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1697 * i386.c (x86_initialize_trampoline): New global function.
1698 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1699 (INITIALIZE_TRAMPOLINE): Move offline.
1700 * i386-protos.h (x86_initialize_trampoline): Declare.
1702 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1704 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1705 (lea_0): Rename to lea_1.
1706 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1707 (lea_general_?): Allow SImodes on TARGET_64BIT
1708 (lea_general_?_zext): New patterns.
1709 (call_1, call_1_rex64): Fix.
1711 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1713 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1715 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1717 * i386.c (function_arg): Return constm1_rtx for last argument.
1718 (ix86_expand_prologue): Update gen_call calls.
1719 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1720 * i386.md (call_pop): Likewise.
1721 (call): Second operand is VOIDmode.
1722 (call_0): Likewise; Support 64bits.
1723 (call_exp): New expander.
1724 (call_1): Get to the sync.
1725 (call_1_exp): New pattern.
1726 (call_value): Support 64bit.
1727 (call_value_exp): New pattern.
1728 (untyped_call): Update gen_call call.
1729 (call_value_pop): Disable for 64bit.
1730 (call_value_0_rex64): New pattern.
1731 (call_value_1_rex64): Likewise.
1733 2001-04-05 Bo Thorsen <bo@suse.de>
1735 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1737 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1739 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1740 satisfies ANY_QI_REG_P.
1742 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1744 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1747 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1750 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1752 * config.gcc: Remove default for xm_file. Clean up local
1753 machine type handling. Remove settings of xm_file to
1754 something that doesn't exist. In the big switch, set xm_file,
1755 don't append to it (the value before the big switch is always
1756 null). Don't force build_xm_file or host_xm_file to have a value.
1757 * configure.in: Remove default for xm_file. Do not special
1758 case $cpu/xm-$cpu.h not existing.
1759 * configure: Regenerate.
1761 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1763 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1764 when folding integer division and modulo operations.
1766 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1768 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1769 instead of DWARF2_ADDR_SIZE for EH addresses.
1770 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1773 2001-04-04 Richard Henderson <rth@redhat.com>
1775 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1776 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1777 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1779 2001-04-04 Richard Henderson <rth@redhat.com>
1781 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1782 * configure: Rebuilt.
1784 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1786 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1787 push insns to delete to it instead of deleting them.
1788 (delete_null_pointer_checks): Delete insns from delete_list after
1789 all delete_null_pointer_checks_1 passes are done.
1791 2001-04-04 Richard Henderson <rth@redhat.com>
1793 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1794 * configure: Rebuilt.
1796 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1798 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1799 * config/romp/xm-romp.h: Delete.
1801 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1803 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1806 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1808 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1809 all labels present in rtx.
1810 (try_split) Call new function for all split insns.
1812 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1814 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1815 sure the change won't be validated.
1817 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1819 * rtl.h (set_noop_p): Declare.
1820 * flow.c (set_noop_p): Move from here ...
1821 * rtlanal.c (set_noop_p): ... to here and enhance.
1822 * cse.c (delete_trivially_dead_insns): Use it.
1823 * gcse.c (hash_scan_set): Likewise.
1824 * jump.c (delete_noop_moves): Likewise.
1825 * recog.c (split_all_insns): Likewise.
1827 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1829 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1830 stack pointer via a LO_SUM. Ditto for setting a temp register
1831 used to save to the stack. Set cfa_temp when setting fp, and
1832 allow matches to cfa_temp in addition to cfa_store when saving
1833 regs. Handle POST_INC and LO_SUM register stores. Document the
1834 changes and errors in rule 12 doco.
1836 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1837 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1838 (load_reg): Move closer to epilogue code.
1839 (DO_FRAME_NOTES): Define to control the following..
1840 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1841 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1843 (hppa_expand_epilogue): Likewise.
1845 2001-04-03 Richard Henderson <rth@redhat.com>
1847 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1848 * configure: Rebuild.
1850 2001-04-03 Richard Henderson <rth@redhat.com>
1852 * rtl.h (LCT_THROW): New.
1853 * calls.c (emit_library_call_value_1): Handle it.
1854 * except.c (connect_post_landing_pads): Use it.
1856 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1858 * gansidecl.h: Delete file.
1859 * configure.in: Change all refs to gansidecl.h to use
1860 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1862 * configure: Regenerate.
1864 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1865 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1866 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1867 Don't include gansidecl.h.
1868 * intl.c, main.c, version.c, fixinc/fixlib.h,
1869 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1872 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1874 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1877 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1879 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1880 config/i386/xm-next.h, config/i386/xm-sco.h,
1881 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1882 config/m88k/xm-m88k.h: Delete.
1884 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1885 * config/romp/xm-romp.h: Don't define bcopy.
1886 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1887 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1889 * config.gcc: Remove references to deleted files.
1891 14 xm-host.h remain, 1 xm-cpu.h.
1893 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1894 David S. Miller <davem@pierdol.cobaltmicro.com>
1895 Andrew MacLeod <amacleod@redhat.com>
1897 Use byte offsets in SUBREGs instead of words.
1899 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1900 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1901 to pass new argument.
1902 (add_stored_regs): Use subreg_regno_offset function.
1903 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1905 (precompute_arguments): Use gen_lowpart_SUBREG.
1906 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1907 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1908 (simplify_set): Rework to use SUBREG_BYTE.
1909 (expand_field_assignment): Use SUBREG_BYTE.
1910 (make_extraction): Use SUBREG_BYTE.
1911 (if_then_else_cond): Use SUBREG_BYTE.
1912 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1913 (gen_lowpart_for_combine): Compute full byte offset.
1914 * cse.c (mention_regs): Use SUBREG_BYTE.
1915 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1916 (canon_hash): Use SUBREG_BYTE.
1917 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1918 (gen_lowpart_if_possible): Formatting.
1919 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1921 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1922 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1923 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1924 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1925 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1926 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1927 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1928 certain invariants about SUBREGs the compiler creates.
1929 (gen_lowpart_SUBREG): New function.
1930 (subreg_hard_regno): New function to get the final register number.
1931 (gen_lowpart_common): Use SUBREG_BYTE.
1932 (gen_imagpart): Spacing nits.
1933 (subreg_realpart_p): Use SUBREG_BYTE.
1934 (gen_highpart): Use SUBREG_BYTE.
1935 (subreg_lowpart_p): Always compute endian corrected goal offset,
1936 even at the byte level, then compare against that.
1937 (constant_subword): New function, pulled out all constant cases
1938 from operand_subword and changed second argument name to offset.
1939 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1940 and call constant_subword to do the work. Return const0_rtx if
1941 looking for a word outside of OP.
1942 (operand_subword_force): Change second arg name to offset.
1943 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1944 (store_split_bit_field): Use SUBREG_BYTE.
1945 (extract_bit_field): Use SUBREG_BYTE.
1946 (extract_split_bit_field): Use SUBREG_BYTE.
1947 (expand_shift): Use SUBREG_BYTE.
1948 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1949 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1950 * flow.c (set_noop_p): Use SUBREG_BYTE.
1951 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1952 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1953 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1955 (optimize_bit_field): Use SUBREG_BYTE.
1956 (purge_addressof_1): Use SUBREG_BYTE.
1957 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1958 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1959 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1960 * gengenrtl.c (special_rtx): Add SUBREG.
1961 * global.c (mark_reg_store): Use SUBREG_BYTE.
1962 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1963 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1964 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1965 final byte offset is congruent to subreg's mode size.
1966 (subst_constants): Use SUBREG_BYTE.
1967 (mark_stores): Use subreg_regno_offset function.
1968 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1969 function and SUBREG_BYTE.
1970 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1971 (reg_is_born): Use subreg_hard_regno.
1972 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1973 endian correction code. Don't combine subregs unless resulting
1974 offset aligns with type. Fix subreg constant extraction for DImode.
1975 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1976 (general_operand): Remove dead mode_altering_drug code.
1977 (indirect_operand): Use SUBREG_BYTE.
1978 (constrain_operands): Use subreg_regno_offset function.
1979 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1980 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1981 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1982 * regs.h (REG_SIZE): Allow target to override.
1983 (REGMODE_NATURAL_SIZE): New macro which target can override.
1984 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1985 on the entire subreg rtx.
1986 (push_reload): Use SUBREG_BYTE in comments and code.
1987 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1988 for hard registers inside subregs.
1989 (operands_match_p): Use subreg_regno_offset.
1990 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1991 containing hard regs.
1992 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1993 corrections when fixing up MEM subregs.
1994 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1995 subreg_regno_offset where appropriate.
1996 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1997 byte endian corrections when fixing up MEM subregs.
1998 (subst_reloads): When combining two subregs, make sure final
1999 offset is congruent to subreg's mode size.
2000 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2001 (refers_to_regno_for_reload_p): Use subreg_regno.
2002 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2003 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2004 correction code for memory subreg fixups.
2005 (forget_old_reload_1): Use subreg_regno_offset.
2006 (choose_reload_regs): Use subreg_regno.
2007 (emit_input_reload_insns): Use SUBREG_BYTE.
2008 (reload_combine_note_store): Use subreg_regno_offset.
2009 (move2add_note_store): Use subreg_regno_offset.
2010 * resource.c (update_live_status, mark_referenced_resources): Use
2011 subreg_regno function.
2012 (mark_set_resources): Use subreg_regno function.
2013 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2014 (subreg_regno_offset, subreg_regno): Define prototypes.
2015 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2016 (gen_lowpart_SUBREG): Add prototype.
2017 * rtl.texi (subreg): Update to reflect new byte offset representation.
2018 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2019 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2020 (reg_overlap_mentioned_p): Use subreg_regno.
2021 (replace_regs); Make sure final offset of combined subreg is
2022 congruent to size of subreg's mode.
2023 (subreg_regno_offset): New function.
2024 (subreg_regno): New function.
2025 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2026 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2027 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2028 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2029 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2030 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2031 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2032 (print_operand): Use SUBREG_BYTE.
2033 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2034 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2035 (arm_reload_out_hi): Use SUBREG_BYTE.
2036 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2037 instead of SUBREG_WORD.
2038 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2039 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2040 SUBREG creation to use byte offset.
2041 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2042 inverted load insns): Fix explicit rtl subregs to use byte
2044 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2045 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2046 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2047 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2048 to use byte offsets.
2049 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2050 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2051 offsets, also make sure it is congruent to SUBREG's mode size.
2052 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2053 unnamed ldob insn): Generate SUBREGs with byte offset.
2054 (zero_extendqihi2): SUBREG's are byte offsets.
2055 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2056 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2057 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2058 zero-extendqisi2): Generate SUBREGs with byte offset.
2059 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2060 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2061 subregs in rtl to use byte offsets.
2062 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2063 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2064 (mips_move_2words): Use subreg_regno_offset.
2065 (mips_secondary_reload_class): Use subreg_regno_offset.
2066 * config/mips/mips.md (DImode plus, minus, move, and logical op
2067 splits): Fixup explicit subregs in rtl to use byte offsets.
2068 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2069 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2070 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2071 rtl to use byte offsets.
2072 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2073 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2074 subregs to use byte offsets.
2075 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2076 Fixup explicit subregs in rtl to use byte offsets.
2077 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2078 and remove byte endian correction code.
2079 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2080 (gen_ashift_hi): Use SUBREG_BYTE.
2081 (regs_used): Use subreg_regno_offset.
2082 (machine_dependent_reorg): Use subreg_regno_offset.
2083 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2084 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2085 (movdf_i4): Subregs are byte offsets now.
2086 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2087 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2088 (REGMODE_NATURAL_SIZE): Override.
2089 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2090 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2092 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2093 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2094 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2095 it is congruent to SUBREG's mode size.
2096 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2098 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2099 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2100 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2101 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2102 * config/v850/v850.c (print_operand, output_move_double): Use
2103 subreg_regno function.
2105 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2107 * configure.in (target_subdir): Use target_alias, not target.
2108 * configure: Rebuilt.
2110 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2112 * config/sh/crti.asm: Fix typos in comments.
2114 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2116 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2117 TARGET_FAST_INDIRECT_CALLS.
2118 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2120 (return_addr_rtx): Short circuit export stub matching when
2121 TARGET_NO_SPACE_REGS.
2122 (output_millicode_call): For out of range calls, make -fPIC
2123 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2124 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2125 * pa.md: Modify length attr calculation of all millicode insns to
2128 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2130 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2131 Require at least 2.11 in the version test. Specifically check
2132 for and reject GAS version 2.10.90.
2133 * configure: regenerate.
2135 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2137 * pa.c (override_options): Remove PIC profiling warning.
2138 (hp_profile_labelno): Delete.
2139 (hp_profile_label_rtx): Delete.
2140 (hp_profile_label_name): Delete.
2141 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2142 (output_function_prologue): Remove profiling code and all tests on
2143 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2144 merge_sp_adjust_with_store can work for PIC and profiling.
2145 (hppa_expand_epilogue): Remove profile_flag test.
2146 (hppa_can_use_return_insn_p): Likewise.
2147 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2148 cater for PROFILE_HOOK.
2149 (hppa_profile_hook): New function.
2150 * pa.h (FUNCTION_PROFILER): Now does nothing.
2151 (PROFILE_HOOK): Define.
2152 (hppa_profile_hook): Declare.
2153 (PROFILE_BEFORE_PROLOGUE): Delete.
2154 (ASM_OUTPUT_REG_PUSH): Delete.
2155 (ASM_OUTPUT_REG_POP): Delete.
2156 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2157 r24. Accept function name operand, and use this and a locally
2158 generated label to calculate pc-rel offset to func start.
2160 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2162 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2163 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2166 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2168 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2169 LO_SUM cases to where they belong.
2171 2001-04-02 Richard Henderson <rth@redhat.com>
2173 * except.h (lang_eh_type_covers): Mark extern.
2174 (lang_eh_runtime_type): Likewise.
2176 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2178 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2179 gengenrtl.c: Wrap generated header in multiple-include guard.
2180 Improve error checking.
2182 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2184 * configure.in: Don't check for putenv.
2185 * configure: Regenerate.
2186 * gcc.c (putenv): Don't define.
2187 * vax/xm-vms.h: Handle putenv.
2189 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2191 * ifcvt.c (noce_emit_move_insn): New.
2192 (noce_try_store_flag, noce_try_store_flag_constants,
2193 noce_try_store_flag_inc, noce_try_store_flag_mask,
2194 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2195 noce_try_abs): Use it.
2196 (noce_process_if_block): Likewise.
2197 For STRICT_LOW_PART, take mode from its SUBREG.
2199 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2201 * fold-const.c (fold): Before optimizing unsigned comparison with
2202 0x7fffffffU, make sure arg0 is integral type.
2204 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2206 * c-tree.texi: Document representation of wide strings.
2208 2001-04-01 Richard Henderson <rth@redhat.com>
2210 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2212 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2214 * i386.md: remove obsoleted comments.
2215 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2216 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2217 fix output template.
2219 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2221 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2223 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2225 * loop.c (load_mems): When generating a load from a pseudo, update
2228 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2230 * i386.c (ix86_split_long_move): Use change address to compensate
2231 stack pointer change in push instruction.
2233 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2235 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2236 instead of rtx_equal_p; fix the output template.
2238 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2240 * i386.c (ix86_expand_setcc): Support 64bit.
2241 (ix86_expand_int_movcc): Likewise.
2242 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2245 * i386.md (allocate_stack_worker): Turn to expander.
2246 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2248 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2250 2001-03-29 Richard Henderson <rth@redhat.com>
2252 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2254 2001-03-28 Matthew Hiller <hiller@redhat.com>
2256 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2259 * MAINTAINERS: Added self.
2261 2001-03-28 Richard Henderson <rth@redhat.com>
2263 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2264 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2266 2001-03-28 Jim Wilson <wilson@redhat.com>
2268 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2271 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2273 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2275 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2278 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2280 2001-03-28 DJ Delorie <dj@redhat.com>
2282 * Makefile.in (stage1_build): Revert CFLAGS patch.
2284 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2286 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2287 when multiplier or multiplicand is zero.
2289 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2291 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2293 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2295 (set_src_needs_barrier): Likewise.
2296 (rtx_needs_barrier): For SET case, use these two functions. Rework
2297 PARALLEL case to handle all inputs before all outputs.
2298 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2299 saw a label and no stop bit since then.
2300 (maybe_rotate, process_epilogue): Add prototypes.
2302 2001-03-28 Richard Henderson <rth@redhat.com>
2304 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2305 not TARGET_TOC for special toc restore handling.
2306 * config/rs6000/rs6000.md (eh_return): Likewise.
2308 2001-03-28 Richard Henderson <rth@redhat.com>
2310 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2311 current_function_calls_eh_return.
2312 (output_function_epilogue): Handle eh_return.
2313 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2314 (EH_RETURN_DATA_REGNO): New.
2315 (EH_RETURN_STACKADJ_RTX): New.
2316 (EH_RETURN_HANDLER_RTX): New.
2317 * config/sparc/sparc.md (call/short branch peepholes): Check
2318 can_throw_internal instead of in_same_eh_region.
2320 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2321 for eh_return data registers.
2322 (rs6000_emit_prologue): Save eh_return data registers.
2323 (rs6000_emit_epilogue): Force inline restores if eh_return.
2324 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2325 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2326 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2327 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2328 the target uses one.
2329 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2330 (return_eh_si, return_eh_di): Remove.
2331 (eh_return): New, from corpse of eh_epilogue.
2332 (eh_set_lr_si, eh_set_lr_di): New.
2334 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2335 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2336 True for pic register if current_function_calls_eh_return.
2337 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2338 Handle eh_return requirements.
2339 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2340 (EH_RETURN_STACKADJ_RTX): New.
2341 * config/i386/i386.md (exception_receiver): Remove.
2342 (eh_return, eh_return_1): New.
2343 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2345 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2346 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2347 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2348 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2349 (EH_RETURN_DATA_REGNO): New.
2350 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2351 * config/alpha/alpha.md (eh_epilogue): Remove.
2352 (exception_receiver): Use $26 for ldgp input.
2353 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2355 2001-03-28 Richard Henderson <rth@redhat.com>
2357 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2358 * except.h: Likewise.
2360 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2361 (LIB2ADDEHDEP): New.
2362 (LIB2FUNCS_EH): Remove.
2363 (LIB2ADD): Remove LIB2ADDEH.
2364 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2365 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2366 (crt{begin,end}[S].o): Likewise.
2367 (except.o): Update includes.
2368 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2369 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2371 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2372 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2373 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2374 * builtins.c (expand_builtin): Implement it.
2375 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2376 * c-common.c (c_common_nodes_and_builtins): Declare it.
2377 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2378 * calls.c (libfunc_nothrow): Remove.
2379 (emit_library_call_value_1): Don't call it.
2380 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2381 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2382 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2383 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2384 (current_funcdef_number): Globalize.
2385 (output_call_frame_info): Emit frame data if an lsda is needed.
2386 Generate augmentation for personality routine. Don't play with
2388 (dwarf2out_begin_prologue): Record funcdef_number.
2389 * dwarf2out.h (current_funcdef_number): Declare.
2390 * expr.c (expand_expr): Update for except.h name changes.
2391 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2392 * expr.h (LTI_throw, LTI_rethrow): Remove.
2393 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2394 (LTI_eh_rtime_match): Remove.
2395 (LTI_unwind_resume, LTI_eh_personality): Add.
2396 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2397 * final.c (final): Don't call check_exception_handler_labels,
2398 init_insn_eh_region, or free_insn_eh_region.
2399 (final_scan_insn): Always emit debug labels for
2400 NOTE_INSN_EH_REGION notes.
2401 * flags.h (flag_new_exceptions): Remove.
2402 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2403 (record_active_eh_regions): Remove.
2404 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2405 Use can_throw_internal.
2406 (find_basic_blocks_1): Likewise.
2407 (move_stray_eh_region_notes): Remove.
2408 (find_label_refs): No eh_return_stub_label.
2409 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2410 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2412 (delete_unreachable_blocks): Don't track deleted handlers.
2413 (flow_delete_block): Use maybe_remove_eh_handler.
2414 (delete_eh_regions): Remove.
2415 (merge_blocks): Don't check for eh region match.
2416 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2417 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2418 (init_propagate_block_info): Disable dead frame store optimization
2419 when current_function_calls_eh_return.
2420 (dump_bb): Don't print eh_beg, eh_end.
2421 * function.c (fixup_var_refs): No catch_clauses.
2422 (expand_function_end): Likewise. Call expand_eh_return before
2423 the return register use. Call sjlj_emit_function_exit_after.
2424 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2425 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2426 * ifcvt.c (dead_or_predicable): Remove eh region check.
2427 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2428 Don't check for EH vs parameters.
2429 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2430 (expand_inline_function): Call duplicate_eh_regions.
2431 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2432 (copy_insn_notes): Remap REG_EH_REGION notes.
2433 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2434 * integrate.h (struct inline_remap): Add local_return_label.
2435 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2436 check_exception_handler_labels, nor exception_optimize.
2437 (find_cross_jump): No EH region check.
2438 * optabs.c (init_optabs): Update for changed eh libfuncs.
2439 * rtl.def (RESX): New.
2440 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2441 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2442 checks. Update for except.h name changes.
2443 (expand_cleanups): Likewise.
2444 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2445 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2446 (compile_file): Call init_eh before init_optabs. Don't
2447 output_exception_table here.
2448 (rest_of_compilation): Call convert_from_eh_region_ranges,
2449 convert_to_eh_region_ranges, output_function_exception_table.
2450 Don't emit_eh_context.
2451 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2452 (EXC_PTR_EXPR): New.
2454 * md.texi (eh_epilogue): Remove.
2455 (eh_return): Document.
2456 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2457 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2459 * eh-common.h: Remove file.
2460 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2461 * libgcc2.c (L_eh): Remove.
2463 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2464 * unwind-dw2-fde.h: New file.
2465 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2466 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2467 * libgcc-std.ver: Update for eh symbols.
2469 2001-03-27 Richard Henderson <rth@redhat.com>
2471 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2472 reduce false positives.
2473 (regmove_optimize): Disable if flag_non_call_exceptions.
2475 * stmt.c (expand_return): Remove always true predicate.
2476 (expand_decl_cleanup_no_eh): Remove dead code.
2478 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2479 barrier code. Add a scheduling barrier if a non-call insn
2480 can throw internally.
2482 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2483 Auto-inc addresses trap only if their base register does.
2485 * except.c (can_throw_internal): Rename from can_throw.
2486 * except.h, resource.c: Update references.
2488 * integrate.c (copy_insn_list): Use returnjump_p.
2489 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2491 * function.h (struct function): Move all boolean valued fields
2492 to single bit fields at the end of the struct.
2494 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2496 Rename asynchronous_exceptions to flag_non_call_exceptions.
2498 * gthr-single.h (UNUSED): New. Distinguish between how C
2499 and C++ mark unused function arguments. Use throughout.
2501 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2502 value to target configuration header.
2503 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2504 * config.in, configure: Rebuild.
2505 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2506 configuration and target defines.
2507 (exceptions_via_longjmp): Remove.
2508 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2509 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2511 * except.h (flag_non_call_exceptions): Move ...
2512 * flags.h: ... here.
2514 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2515 exceptions, put the note on the trapping instruction.
2517 * flags.h (flag_new_exceptions): Remove.
2518 * toplev.c: Don't set it.
2519 * final.c: Don't check it.
2520 * except.c: Provide stub definition.
2522 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2523 (calculate_global_regs_live): Kill call-clobbered registers
2524 across exception edges.
2525 * reg-stack.c (convert_regs_1): Kill the entire target stack
2526 across non-call exception edges.
2528 * flow.c (cleanup_cfg): Take no argument.
2529 * output.h, sibcall.c, toplev.c: Update all calls.
2531 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533 * configure.in: Don't check for bcopy.
2534 * configure, config.in: Regenerate.
2536 * system.h: Don't define or prototype bcopy, instead poison it.
2538 2001-03-27 Richard Henderson <rth@redhat.com>
2540 * function.c (expand_function_start): Set DECL_REGISTER on
2541 a pseudo used for DECL_RESULT.
2543 * rtl.h (LCT_NORETURN): New.
2544 * calls.c (emit_library_call_value_1): Handle it.
2546 2001-03-27 Stan Shebs <shebs@apple.com>
2548 * objc/objc-act.c (objc_init): Use dump_base_name.
2549 (gen_declaration): Clear the buffer arg.
2550 (gen_declaration_1): New function, body of gen_declaration.
2551 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2552 (gen_method_decl): Ditto, plus always clear buffer arg.
2553 (error_with_ivar): Simplify.
2554 (warn_with_method): Ditto.
2555 (build_message_expr): Don't clear buffers.
2556 (dump_interface): Ditto.
2557 (objc_debug): Ditto.
2558 (build_keyword_selector): Clear the buffer by only zeroing
2560 (objc_implementation_context): Declare.
2561 (start_class): Warn about missing @end.
2562 (finish_objc): Ditto.
2564 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2566 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2568 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2570 * Makefile.in (SYSTEM_H): Define.
2571 Depend on $(SYSTEM_H), not system.h.
2573 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2575 2001-03-27 Jim Wilson <wilson@redhat.com>
2577 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2579 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2580 (process_epilogue): New static function.
2581 (process_set): Call process_epilogue instead of emitting .restore
2583 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2585 * flow.c (struct reg_cond_life_info): New fields orig_condition
2587 (init_propagate_block_info): Set new fields.
2588 (mark_regno_cond_dead): Set and use new fields.
2589 (flush_reg_cond_reg_1): Likewise.
2590 (and_reg_cond, case AND): Check for redundant AND conditions.
2591 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2594 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2596 * cppmacro.c (stringify_arg): Null terminate strings.
2598 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2600 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2601 inclusion style. xm-m68hc11.h no longer exists.
2602 * config/m68hc11/xm-m68hc11.h: Delete file.
2603 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2605 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2606 Don't define GCC_VERSION, N_, or PARAMS; don't include
2607 gansidecl.h or stdio.h. Define inhibit_libc here.
2608 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2609 Delete code conditioned on #if GCC_VERSION == 2095.
2611 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2612 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2613 Delete code conditioned on #if GCC_VERSION == 2095.
2615 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2617 * system.h: Include symcat.h.
2618 (STRINGIFY): Don't define.
2620 * configure.in: Adjust comment.
2622 * builtins.c: Use STRINGX, not STRINGIFY.
2623 * gencheck.c: Likewise.
2624 * gengenrtl.c: Likewise.
2625 * protoize.c: Likewise.
2627 * cpplex.c: Don't include symcat.h.
2628 * cpplib.c: Likewise.
2630 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2632 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2634 * c-typeck.c (digest_init): Fold init expression.
2636 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2638 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2640 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2642 * except.c (eh_regs): Save results of build_pointer_type to a temp
2643 as FUNCTION_VALUE macro may evaluate its args multiple times.
2645 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2647 * c-common.h (DECL_NUM_STMTS): New macro.
2648 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2650 (pushdecl): Likewise.
2651 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2652 * integrate.c (expand_inline_function): Don't check
2654 * print-tree.c (print_node): Don't print it.
2655 * toplev.c (rest_of_compilation): Don't try to inline when
2656 flag_no_inline is on.
2657 * tree.h (DECL_FRAME_SIZE): Remove.
2658 (tree_decl): Adjust accordingly.
2660 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2662 * combine.c (try_combine): Use memcpy, not bcopy.
2664 * genattrtab.c (expand_units): Likewise.
2666 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2668 * i386.md (push mem DI peep2): New.
2669 (mov 0, mov -1 peep2): Handle 64bit.
2670 (lea to arithmetics peep2): Handle 64bit leas.
2671 (rsp arithmetics to push/pop peep2s): New.
2673 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2675 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2677 * i386.c (struct machine_function): Add save_varrargs_registers.
2678 (ix86_save_varrargs_registers): New macro.
2679 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2680 (ix86_expand_prologue): Likewise.
2681 (ix86_emit_epilogue_esp_adjustement): Likewise.
2682 (ix86_expand_epilogue): Likewise.
2683 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2684 (pro_epilogue_adjust_stack_1): New insn.
2685 (pro_epilogue_adjust_stack_rex64): Likewise.
2686 * i386.h (MASK_NO_RED_ZONE): New constant.
2687 (TARGET_RED_ZONE): New macro.
2688 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2689 (RED_ZONE_SIZE): New constant.
2690 (RED_ZONE_RESERVE): New constant.
2692 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2694 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2696 2001-03-25 Kazu Hirata <kazu@hxi.com>
2698 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2701 (umodhi3): Likewise.
2704 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2706 * mkconfig.sh (DEFINES): Handle entries with '='.
2708 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2709 Set xm_defines to MACRO=value instead.
2711 * i370/xm-mvs.h: Delete.
2713 * ns32k/xm-pc532-min.h: Likewise.
2715 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2717 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2719 use ix86_expand_binary_operator
2720 (?sh??i_?): Disable for 64bit.
2721 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2722 * i386.c (shiftdi_operand): New predicate.
2724 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2725 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2726 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2727 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2728 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2729 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2730 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2731 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2732 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2733 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2734 (rotldi3, rotrdi3): New expanders.
2736 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2738 * i386.md (movstrsi): Move offline.
2740 (strmovdi_rex64): New.
2741 (strmov?i): Accept 64bit.
2742 (strmov?i_rex64): New.
2743 (strmov?i_rex_1): New.
2744 (strmov?i_1): Disable for 64bit.
2745 (rep_mov?i_rex64): New.
2746 (rep_mov?i): Disable for 64bit.
2747 (clrstrsi): Move offline.
2748 (strset?i_rex64): New.
2749 (strset?i: Accept 64bit.
2750 (rep_stos?i): Disable for 64bit.
2751 (rep_stos?i_rex64): New.
2752 (strset?i_rex_1): New.
2753 (strset?i_1): Disable for 64bit.
2754 (cmpstrsi): Accept 64bit.
2755 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2756 (cmpstrqi_nz_rex_1): New.
2757 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2758 (strlensi): Move offline.
2760 (strlenqi_1): Disable for 64bit; fix constraints.
2761 (strlenqi_rex_1): New.
2762 * i386.c (ix86_adjust_counter): New static function.
2763 (ix86_zero_extend_to_Pmode): Likewise.
2764 (ix86_expand_aligntest): Likweise.
2765 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2766 (ix86_expand_movstr): New global function.
2767 (ix86_expand_clrstr): New global function.
2768 (ix86_expand_strlen): New global function.
2769 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2770 ix86_expand_strlen): Declare.
2771 (ix86_expand_strlensi_unroll_1): Delete.
2773 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2775 * i386.md (cmpdi): Fix operand predicates.
2776 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2777 cmpdi_1_insn_rex64): New patterns.
2778 (adddi3): Turn to expander.
2779 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2780 (addsi3_carry_zext): New pattern.
2781 (adddi_?_rex64): New patterns and splitters.
2782 (addsi_?_zext): New patterns.
2783 (subsi3_carry_zext): New pattern.
2784 (subdi_?_rex64): New patterns and splitters.
2785 (iorsi_?_zext): New patterns.
2786 (iordi_?_rex64): New patterns and splitters.
2787 (iorsi_?_zext): New patterns.
2788 (iorsi_?_zext_imm): New patterns.
2789 (xorsi_?_zext): New patterns.
2790 (xordi_?_rex64): New patterns and splitters.
2791 (xorsi_?_zext): New patterns.
2792 (negdi*): New patterns.
2793 (one_cmpldi*): Likewise.
2794 (one_cmplsi*_zext, negsi*_zext): Likewise.
2795 (testqi_ext_3_rex64): New pattern.
2797 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2799 * i386-protos.h (ix86_split_long_move): Return void.
2800 * i386.c (ix86_split_to_parts): Handle 64bit target.
2801 (ix86_split_long_move): Likewise.
2802 * i386.md (all calls to ix86_split_long_move): Update.
2804 2001-03-23 Richard Henderson <rth@redhat.com>
2806 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2807 to avoid shadowing arguments.
2809 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2811 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2812 to variable names where DECL_NAME is different from
2813 DECL_ASSEMBLER_NAME.
2815 2001-03-23 Jim Wilson <wilson@redhat.com>
2817 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2818 (assemble_alias): Call make_decl_rtl.
2820 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2822 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2824 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2826 * extend.texi: Document the "java_interface" attribute.
2828 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2830 * mkconfig.sh: Use a subshell with redirected stdout,
2831 instead of closing stdout and confusing commands that run
2832 afterward. Throw away output of cmp.
2834 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2836 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2838 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2840 * i386.md (zero_extendsidi2_32): Break out from ...
2841 (zero_extendsidi2): ... here ; turn to expander.
2842 (zero_extendsidi2_rex64): New.
2843 (extendsidi2_32): Break out from ...
2844 (extendsidi2): ... here ; turn to expander.
2845 (extendsidi2_rex64): New.
2846 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2847 (trunc?f?f splitters): Add 64bit versions.
2849 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2851 * i386.md (pushsi, pushsi2_prologue): Disable.
2852 (pushsi2_rex64): New.
2853 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2854 (movqi_ext_1): Disable for 64bit.
2855 (movqi_ext_1_rex64): New.
2856 (pushdi2_rex64): New pattern, peep2s and splitter.
2857 (pushdi2_prologue_rex64): New pattern.
2858 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2860 (movdi splitters): Disable for 64bit.
2861 (movdi_1_rex64): New pattern, peep2s and splitters.
2862 (swapdi): New pattern.
2863 (pushsf): Disable for 64bit.
2864 (pushsf_rex64): New pattern and splitter.
2865 (pushdf_nointeger): Disable for 64bit.
2866 (pushdf_integer): Handle the 64bit case.
2867 (pushtf): Likewise; update splitters.
2869 2001-03-22 Richard Henderson <rth@redhat.com>
2871 * mkconfig.sh: Include insn-flags.h.
2872 * Makefile.in (CONFIG_H): Include insn-flags.h.
2873 (lots of objects): Remove insn-codes.h and insn-flags.h.
2875 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2876 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2877 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2878 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2879 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2880 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2881 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2882 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2883 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2884 v850/v850.c, vax/vax.c:
2885 Don't include insn-flags.h.
2887 * diagnostic.c, expr.h, reload.c, toplev.c:
2888 Don't include insn-codes.h.
2890 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2891 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2892 c4x/c4x.c, i960/i960.c, mips/mips.c:
2893 Don't include insn-codes.h or insn-flags.h.
2895 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2896 or insn-flags.h in the generated code.
2897 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2898 (main): Forward declare struct rtx_def.
2900 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2902 * invoke.texi (-ffast-math): Remove duplicate line about
2905 * gcc.texi: Remove more obsolete documentation of bugs and
2906 installation problems.
2908 2001-03-21 Kazu Hirata <kazu@hxi.com>
2910 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2913 2001-03-20 Jason Merrill <jason@redhat.com>
2915 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2917 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2918 * varasm.c (CHKR_PREFIX): Likewise.
2920 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2922 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2923 is part of a multi-SET insn.
2925 * cse.c (find_comparison_args): Remove previous change.
2926 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2929 * config/i386/i386.md (conditional_trap): Remove warning.
2931 * recog.c (push_operand): Fix error in last change that caused
2932 undefined symbol on many targets.
2934 * sdbout.c: #include ggc.h.
2935 (sdbout_init): Move to end of file.
2936 Call ggc_add_tree_root for anonymous_types.
2937 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2938 (sdbout_one_type): Use DECL_NAME for field name.
2939 * Makefile.in (sdbout.o): Show includes ggc.h.
2941 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2943 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2944 (override_options): Use properlimits for preferred_stack_boundary.
2945 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2947 (ext_register_operand): Accept DImode.
2948 (load_pic_register): Abort on 64bit.
2949 (gen_push): Use Pmode instead of SImode.
2950 (ix86_save_reg): Pic reg is never used on 64bit.
2951 (ix86_expand_prologue): Likewise.
2952 (ix86_emit_save_regs): Use Pmode instead of SImode.
2953 (legitimate_address_p): Check displacement for 64bit.
2954 (print_operand): Avoid outputting of (%rip) on 64bit.
2955 (print_operand_address): Output (%rip) where possible.
2956 (split_di): Abort on 64bit registers.
2957 (ix86_expand_branch): DImode comparison is simple for x86_64.
2958 (memory_address_length): Recognize memory addresses formed using
2960 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2962 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2964 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2966 * recog.c (push_operand): Recognize new format of push instructions.
2968 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2970 * i386.md (pushqi1): New.
2971 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2972 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2973 x86_64_immediate_operand, x86_64_immediate_operand,
2974 x86_64_zext_immediate_operand): Declare.
2975 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2976 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2977 x86_64_immediate_operand, x86_64_immediate_operand,
2978 x86_64_zext_immediate_operand): define.
2979 * i386.h (PREDICATE_CODES): Add new predicates.
2981 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2983 * i386.md (pophi1, popqi1, pushqi1): Remove.
2985 * expr.c (emit_single_push_insn): New function.
2986 (move_by_pieces): Accept NULL as destination for push instructions.
2987 (gen_push_operand): Kill.
2988 (emit_push_insn): Pass NULL when pushing; avoid updating of
2989 stack_pointer_delta.
2990 * expr.h (gen_push_operand): Kill.
2992 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2994 * rtl.texi (COMPARE): Clarify documentation and reference section
2997 2001-03-20 Stan Shebs <shebs@apple.com>
2999 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3000 (get_object_reference): Ditto.
3001 (error_with_ivar): Use error_with_file_and_line.
3002 (warn_with_method): Use warning_with_file_and_line.
3004 2001-03-20 Tom Tromey <tromey@redhat.com>
3006 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3008 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3010 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3011 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3013 2001-03-20 DJ Delorie <dj@redhat.com>
3015 * Makefile.in (install-libgcc): Pass complete list of variables.
3016 (install-multilib): Ditto.
3018 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3020 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3021 drectve_section, switch_to_section.
3023 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3024 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3025 i386_pe_mark_dllimport.
3027 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3029 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3030 functions i386_pe_*.
3032 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3033 i386_pe_* functions with char * arguments.
3035 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3037 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3039 (movsi_ie): Introduce fpul store.
3041 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3043 * Makefile.in (OBJS): Remove hashtab.o.
3045 2001-03-19 Stan Shebs <shebs@apple.com>
3047 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3048 * c-lang.c (maybe_objc_method_name): Ditto.
3049 * c-tree.h (maybe_objc_method_name): Remove decl.
3051 2001-03-19 Tom Tromey <tromey@redhat.com>
3053 * gcc.c (init_gcc_specs): Fix comment.
3055 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3057 Compute DECL_ASSEMBLER_NAME lazily.
3058 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3059 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3060 (SET_DECL_ASSEMBLER_NAME): Likewise.
3061 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3062 (set_decl_assembler_name): Declare.
3063 (lang_set_decl_assembler_name): Likewise.
3064 * tree.c (lang_set_decl_assembler_name): New variab.e
3065 (set_decl_assembler_name): New function.
3066 (init_obstacks): Set lang_set_decl_assembler_name.
3067 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3068 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3069 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3070 where it's not necessary.
3071 (builtin_function): Likewise.
3072 (finish_decl): Likewise.
3073 * dbxout.c (dbxout_type_methods): Likewise.
3074 * ggc-common.c (ggc_mark_trees): Likewise.
3075 * profile.c (output_func_start_profiler): Likewise.
3076 * varasm.c (make_decl_rtl): Likewise.
3078 * cse.c (find_comparison_args): Update documentation. Fix
3079 mishandling of COMPARE operations.
3081 * tree.def (ABS_EXPR): Add documentation.
3082 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3084 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3086 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3088 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3090 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3091 Remove ia32 linux PIC kludge and move it...
3092 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3094 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3096 * i386.md (absdf2 expander): Fix 64bit case.
3098 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3100 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3102 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3104 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3106 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3108 * README.X11: Remove obsolete file.
3110 2001-03-18 Anthony Green <green@redhat.com>
3112 * config/pj/pj.h: Remove some trailing commas.
3113 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3115 2001-03-18 Richard Henderson <rth@redhat.com>
3117 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3118 * calls.c: ... here.
3119 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3120 defaults for them here.
3122 2001-03-17 Anthony Green <green@redhat.com>
3124 * config/pj/lib1funcs.S: Fix broken comment.
3125 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3128 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3130 * gcc.texi: Remove obsolete information relating to build and
3131 installation problems with enquire or the Pyramid C compiler.
3133 2001-03-17 Richard Henderson <rth@redhat.com>
3135 * dwarf2out.c (queue_reg_save): New.
3136 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3137 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3139 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3140 (cfa, cfa_store, cfa_temp): Make static.
3141 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3143 2001-03-17 Richard Henderson <rth@redhat.com>
3145 * integrate.h (struct inline_remap): Add local_return_label.
3146 * integrate.c (expand_inline_function): Initialize it and emit
3147 it after copy_insn_notes.
3148 (copy_insn_list): Don't store local_return_label here.
3149 (copy_insn_notes): New function split out from copy_insn_list.
3151 2001-03-17 Richard Henderson <rth@redhat.com>
3153 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3154 is generating .debug_line.
3155 (dwarf2out_init): Add main_input_filename to the file table first.
3156 * configure.in (as_dwarf2_debug_line): Test with file number 1
3157 instead of file number 0.
3159 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3161 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3162 (gen_rtx_combine): Deleted; all references changed as appropriate.
3163 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3165 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3167 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3169 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3172 2001-03-16 Jim Wilson <wilson@redhat.com>
3174 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3175 then set it to LOC_REG (79) instead of aborting.
3177 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3179 * gccbug.in: Remove high priority.
3181 2001-03-16 Richard Henerson <rth@redhat.com>
3183 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3184 output with a space instead of deleting it.
3185 * configure: Regenerate.
3187 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3189 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3190 handles the gory details of converting an object file into
3191 something that's safe to grep.
3192 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3193 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3194 newlines at either end of the string we're looking for.
3195 Make 'checking ...' message less stilted.
3196 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3197 ARM in-memory layout and its hypothetical converse. Don't
3198 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3199 HOST_WORDS_BIG_ENDIAN.
3201 * configure.in: Adjust for renamed macro. Move
3202 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3203 * configure, config.in: Regenerate.
3205 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3207 * fixinc/Makefile.in: Set SHELL.
3209 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3211 * fixinc/fixincl.c (fix_with_system): Quote file names before
3212 passing them to shell.
3214 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3216 * Makefile.in: Use fix-header$(build_exeext) instead
3219 2001-03-16 Richard Henderson <rth@redhat.com>
3221 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3222 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3223 (size_of_line_prolog): Remove.
3224 (output_line_info): Compute prologue size via label difference.
3225 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3227 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3228 assembler error when redefining file numbers.
3229 * config.in, configure: Rebuild.
3231 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3232 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3233 (dw2_asm_output_delta_uleb128): Likewise.
3234 (dw2_asm_output_delta_sleb128): Similarly.
3235 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3237 2001-03-16 Michael Meissner <meissner@redhat.com>
3239 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3241 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3243 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3245 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3246 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3247 being unsigned in ISO C and signed in traditional.
3248 (expand_prologue): Ditto.
3249 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3251 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3253 (divsi3,divdi3): Ditto.
3254 (modsi3,moddi3): Ditto.
3255 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3256 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3257 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3260 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3262 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3263 SSE based conditional moves on LTGT/UNEQ conditions;
3264 Canonicalize EQ to NE.
3265 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3266 (sse_mov?fcc_ne): New.
3268 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3270 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3272 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3273 register may be dead.
3275 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3277 * Makefile.in (hash.o): Depend on CONFIG_H.
3279 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3281 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3283 2001-03-15 Richard Henderson <rth@redhat.com>
3285 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3286 (ASM_OUTPUT_DWARF_PCREL): New.
3287 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3289 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3291 * cppfiles.c (stack_include_file): Use MAX of sysp.
3293 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3295 * config.gcc (ia64*-*-hpux*): New case.
3296 * config/ia64/hpux.h: New file for HP-UX support.
3297 * config/ia64/t-hpux: New file for HP-UX support.
3299 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3301 * fixinc/inclhack.def (irix_stdio_va_list): New.
3302 * fixinc/fixincl.x: Rebuilt.
3304 2001-03-15 Richard Henderson <rth@redhat.com>
3306 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3307 if provided by the target.
3308 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3309 (dw2_asm_output_addr): New.
3310 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3311 * dwarf2out.c (output_cfi): Use it for program addresses.
3312 (output_call_frame_info, output_die): Likewise.
3313 (output_aranges, output_line_info): Likewise.
3315 2001-03-15 Bruce Korb <bkorb@gnu.org>
3317 * gcc.c(main): make more rigorous
3318 * collect2.c(main): guard against ignoring SIGCHLD
3319 * protoize.c(main): ditto
3320 * gcc/fixinc/fixincl.c(initialize): ditto
3322 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3324 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3325 (sdbout_parms): Likewise.
3327 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3329 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3330 "widen" a destination that is already wider than a word. Also do
3331 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3333 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3335 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3337 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3339 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3341 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3343 * i960.h (i960_maxbitalignment,
3344 i960_last_maxbitalignment): Declare.
3345 * i960.c (i960_maxbitalignment,
3346 i960_last_maxbitalignment): Make global.
3347 (process_pragma): Delete.
3348 (i960_pr_align, i960_pr_noalign): Move from here ...
3349 * i960-c.c: ... to this new file.
3350 * t-960bare (i960-c.o): New rule.
3351 * t-vxworks960 (i960-c.o): Likewise.
3352 * config.gcc (i960-*-*): Define c_target_objs and
3355 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3357 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3358 without adding in rtx code and mode.
3360 * alias.c (init_alias_analysis): Don't use any rtx whose value
3361 varies as a known value.
3362 Delete a superfluous test.
3364 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3366 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3367 scheduling a stop bit.
3368 (ia64_emit_nops): Correctly handle ASMs.
3370 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3372 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3374 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3376 * cpp.texi: Update documentation for -include and -imacros.
3377 * cppfiles.c (struct include_file): Remove "defined" memeber.
3378 (find_or_create_entry): Make a copy of the file name, and
3380 (open_file): Update to ensure we use the simplified filename.
3381 (stack_include_file): Don't set search_from.
3382 (cpp_included): Don't simplify the path name here.
3383 (find_include_file): New prototype. Call search_from to
3384 get the start of the "" include chain. Don't simplify the
3386 (_cpp_execute_include): New prototype. Move diagnostics to
3387 do_include_common. Update.
3388 (_cpp_pop_file_buffer): Don't set defined.
3389 (search_from): New prototype. Use the preprocessor's cwd
3390 for files included from the command line.
3391 (read_name_map): Don't simplify the pathname here.
3392 * cpphash.h (enum include_type): New.
3393 (struct buffer): Delete search from. New search_cached.
3394 (_cpp_execute_include): Update prototype.
3395 * cppinit.c (do_includes): Use _cpp_execute_include.
3396 * cpplib.c (do_include_common): New function.
3397 (do_include, do_include_next, do_import): Use it.
3399 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3401 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3402 contents of the RTL, to determine the name of the object.
3404 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3406 * tree.h (DECL_RTL): Allocate RTL lazily.
3407 (SET_DECL_RTL): New macro.
3408 (DECL_RTL_SET_P): Likewise.
3409 (COPY_DECL_RTL): Likewise.
3410 (DECL_RTL_IF_SET): Likewise.
3411 * varasm.c (make_decl_rtl): Add assertions about the kind of
3412 declaration we are processing.
3413 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3414 (start_decl): Likewise.
3415 (finish_decl): Likewise.
3416 * c-semantics.c (emit_local_var): Likewise.
3417 * calls.c (expand_call): Likewise.
3418 * dbxout.c (dbxout_symbol): Likewise.
3419 * emit-rtl.c (unshare_all_rtl): Likewise.
3420 (unshare_all_decls): Likewise.
3421 (reset_used_decls): Likewise.
3422 * expr.c (store_constructor): Likewise.
3423 (safe_from_p): Likewise.
3424 (expand_expr): Likewise.
3425 * function.c (put_var_into_stack): Likewise.
3426 (instantiate_decls_1): Likewise.
3427 (assign_parms): Likewise.
3428 (expand_function_start): Likewise.
3429 (expand_function_end): Likewise.
3430 * ggc-common.c (gcc_mark_trees): Likewise.
3431 * integrate.c (function_cannot_inline_p): Likewise.
3432 (copy_decl_for_inlining): Likewise.
3433 (expand_inline_function): Likewise.
3434 (integrate_parm_decls): Likewise.
3435 (integrate_decl_tree): Likewise.
3436 * print-tree.c (print_node): Likewise.
3437 * reg-stack.c (stack_result): Likewise.
3438 * stmt.c (label_rtx): Likewise.
3439 (expand_return): Likewise.
3440 (expand_decl): Likewise.
3441 (expand_decl_cleanup): Likewise.
3442 (expand_anon_union_decl): Likewise.
3443 * toplev.c (check_global_declarations): Likewise.
3444 (rest_of_decl_compilation): Likewise.
3445 * tree.c (simple_cst_equal): Likewise.
3446 * objc/objc-act.c (generate_static_references): Likewise.
3448 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3450 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3451 gcc_AC_C_FLOAT_FORMAT): New macros.
3452 * configure.in: Add AC_PROG_CPP after CC tests;
3453 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3454 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3455 * configure, config.in: Regenerate.
3457 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3458 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3459 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3460 config/i370/xm-linux.h, config/i370/xm-oe.h,
3461 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3462 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3463 config/pa/xm-linux.h, config/pa/xm-pa.h,
3464 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3465 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3466 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3467 config/we32k/xm-we32k.h: Delete.
3469 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3470 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3471 config/vax/xm-vms.h: Don't define any of:
3472 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3474 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3476 * config.gcc: Remove references to deleted files.
3477 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3478 FATAL_EXIT_CODE, which is the same between oe and mvs).
3480 2001-03-14 DJ Delorie <dj@redhat.com>
3481 Vladimir Makarov <vmakarov@redhat.com>
3483 * config/i960/i960.c (i960_function_prologue): Compute size of
3484 frame according to number of registers actually saved there.
3486 2001-03-14 Richard Henderson <rth@redhat.com>
3488 * expr.c (emit_move_insn_1): Fix else if around #endif.
3490 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3493 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3496 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3498 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3499 (override_options): Parse cmodel string.
3500 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3501 * i386.h (TARGET_OPTIONS): Add "cmodel".
3502 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3504 (ix86_cmodel_string, ix86_cmodel): Declare.
3506 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3509 * i386.h (GENERAL_REG_P): Add missing REG_P.
3511 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3513 * configure.in: Use $gcc_cv_as instead of $as.
3514 * configure: Regenerated.
3516 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3518 * cppfiles.c (stack_include_file): Only increase the include
3519 count if we actually process the file properly, as opposed
3520 to treating it as length zero. Only call read_include_file
3521 if not DO_NOT_REREAD. Handle the -H include file output
3523 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3524 (cpp_included, find_include_file): Simplify pathnames after
3525 remapping them. If remapping, don't use the remapped file
3526 name's buffer as our scratch buffer.
3527 (cpp_pop_file_buffer): Replace the multiple include macro
3528 only if it isn't yet set.
3529 (read_name_map): Simplify remapped names when reading in.
3530 (remap_filename): Move code to code path that uses it.
3531 (_cpp_simplify_pathname): Return the input pointer.
3532 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3534 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3536 * expr.c (expand_expr): Revove bogus conditional.
3538 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3540 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3542 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3544 * reg-stack.c (stack_result): Unconditionally use
3545 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3547 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3549 * expr.c (emit_move_insn_1): Split push of complex value when
3550 no suitable push instruction exist.
3552 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3553 instead of QI_REG_P.
3555 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3557 * alias.c (handled_component_p, can_address_p): New functions.
3558 (get_alias_set): Use them.
3560 2001-03-13 Jim Wilson <wilson@redhat.com>
3562 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3563 from 80 in try_locals code.
3564 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3566 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3568 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3569 gcc_AC_C_LONG_LONG): New.
3570 * configure.in: Use them. Probe the size of short, int, long,
3571 and long long/__int64 if we have them. Move all the AC_C_*
3572 checks together, except gcc_AC_C_CHAR_BIT which has to go
3573 after AC_CHECK_HEADERS(limits.h).
3574 Take hwint.h out of host_xm_file and build_xm_file.
3576 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3577 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3578 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3579 Move the HOST_WIDEST_INT setup logic here from system.h.
3580 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3582 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3583 is now handled by hwint.h.
3585 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3586 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3587 config/ia64/xm-ia64.h: Don't define any of:
3588 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3589 HOST_BITS_PER_LONGLONG.
3591 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3592 config/h8300/xm-h8300.h, config/mips/iris6.h,
3593 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3594 config/sparc/xm-sp64.h: Delete.
3595 * config.gcc: Remove references to deleted files.
3597 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3598 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3599 * config/i370/xm-linux.h: Clarify floating-point situation in
3602 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3604 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3605 (find_include_file): Decide here which part of the include
3606 chain to start the search. Complain about an empty include
3607 chain in all cases apart from an abolsute file name.
3608 (_cpp_execute_include): Don't choose the search chain here.
3609 Don't call handle_missing_include in the case of an empty
3611 (_cpp_compare_file_date): Don't choose the search chain here.
3612 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3613 here from _cpp_execute_include. Behave like #include if
3614 we're in the main file.
3616 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3618 * system.h (malloc, realloc, calloc, strdup): Only poison these
3619 tokens when IN_GCC is defined.
3621 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3623 * i386.md (abs?f expander): Support SSE case.
3624 (abd?f_if): Add new "USE"; add splitters.
3626 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3628 * cpp.texi (poison): Explain the macro expansion exception.
3630 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3632 * expr.c (store_expr): Add dont_store_target. If temp is already in
3633 target before copying to reg, don't store it into target again.
3635 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3637 * cppinternals.texi: Update for file handling.
3639 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3641 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3642 2001-02-24 which broke building the Java library.
3643 * function.c (identify_blocks): Likewise.
3644 (all_blocks): Likewise.
3645 * integrate.c (integrate_decl_tree): Likewise.
3646 * print-tree.c (print_node): Likewise.
3647 * tree.h (BLOCK_NUMBER): Likewise.
3648 (struct tree_block): Likewise.
3650 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3652 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3653 __WCHAR_TYPE__ definition.
3654 (WCHAR_TYPE_SIZE): #undef before #define.
3656 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3658 * cppfiles.c: Update comments.
3659 (destroy_include_file_node): Rename destroy_node.
3660 (find_or_create_entry): New function.
3661 (open_file, _cpp_fake_include): Use it.
3662 (handle_missing_header): New function, broken out of
3663 _cpp_execute include. Don't segfault if there is no
3664 system or quoted path.
3665 (_cpp_execute_include): Use handle_missing_header.
3667 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3669 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3670 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3672 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3674 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3675 unless anti_dependence says they are.
3676 * alias.c (objects_must_conflict): If neither has a type specified,
3679 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3680 David Billinghurst <David.Billinghurst@riotinto.com>
3682 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3684 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3686 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3687 (*_one_bit): Remove type on the match_operand in attributes.
3689 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3691 * i386.c: Commit forgotten hunk in previous patch.
3692 (regclass_map): Add extended registers.
3693 (dbx_register_map): Add missing frame register.
3695 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3697 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3699 * i386.md (x86_sahf_1): Disable for 64bit.
3700 (popsi*, pophi*): Likewise.
3701 (pushqi, pushhi): Likewise.
3702 (movdi, pushdi): Likewise.
3703 (zero extend DImode splitter): Likewise.
3704 (adddi, minusdi splitter): Likewise.
3705 (umulsidi): Likewise.
3707 (mulsidi): Disable for 64bit
3708 (lshift:DI/ashift:DI): Disable for 64bit.
3709 (loop patterns): Likewise.
3710 (call_pop, call_value_pop expanders and patterns): Likewise.
3711 (prologue_get_pc): Likewise.
3713 (fcmovDI pattern and splitter): Likewise.
3714 (movdfcc_1_rex64): New.
3716 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3718 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3719 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3720 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3721 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3722 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3723 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3724 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3725 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3726 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3727 (REGPARM_MAX): Set to 6 for x86_64.
3728 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3729 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3732 * (patterns that does use upper halves): Update constraints
3733 'q' to 'Q' and 'r' to 'R'.
3734 (cmpqi_ext_1): Disable for 64bit.
3735 (cmpqi_ext_3_insn): Likewise.
3736 (movqi_extzv_1): Likewsie.
3737 (addqi_ext_1): Liekwsie
3738 (testqi_ext_1): Liekwsie
3739 (andqi_ext_1): Liekwsie
3740 (xorqi_ext_1): Liekwsie
3741 (cmpqi_ext_1_rex64): New.
3742 (cmpqi_ext_3_insn_rex64): Likewise.
3743 (movqi_extzv_1_rex64): Likewsie.
3744 (addqi_ext_1_rex64): Liekwsie
3745 (testqi_ext_1_rex64): Liekwsie
3746 (andqi_ext_1_rex64): Liekwsie
3747 (xorqi_ext_1_rex64): Liekwsie
3749 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3751 * configure.in: Move check for unsigned enumerated bitfields
3752 to macro in aclocal.m4. Disable it for now.
3753 * configure, config.in: Regenerate.
3754 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3755 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3756 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3757 kind above its first use.
3759 * config/xm-interix.h, config/alpha/xm-alpha.h,
3760 config/i370/xm-linux.h, config/i386/xm-beos.h,
3761 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3762 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3763 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3764 Don't define ONLY_INT_FIELDS under any circumstances.
3766 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3768 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3769 config/sparc/xm-sysv4.h: Delete - now identical with some
3771 * config.gcc (hppa targets): Replace xm-pahpux.h and
3772 xm-papro.h with implicit xm-pa.h.
3773 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3776 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3778 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3779 before reload_cse_noop_set_p.
3781 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3783 * config.gcc: Where xm-host.h used to include another
3784 xm-host.h, list the nested header directly in xm_file. Remove
3785 references to deleted files. Can now use sparc/xm-sp64.h for
3788 * config/xm-linux.h, config/arm/xm-linux.h,
3789 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3790 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3791 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3792 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3793 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3796 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3797 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3798 bother to wrap #undef in #ifdef.
3799 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3800 Don't include xm-linux.h.
3801 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3803 * configure.in: Wrap regexps using [] in changequote block.
3804 Use expr : not echo | grep. Simplify regexps.
3805 * configure: Regenerate.
3807 56 xm-files remain, 22 xm-arch.
3809 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3811 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3812 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3813 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3814 (copy_object): Fix format specifier vs argument mismatch.
3816 * mips-tdump.c: Make local functions static.
3817 (rindex): Don't #undef.
3818 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3819 (fatal, fancy_abort): Delete.
3820 (read_seek): Avoid signed/unsigned compare.
3822 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3824 * combine.c (try_combine): Fix error in change to try original
3826 (gen_rtx_combine): Do same as gen_rtx for now.
3828 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3830 * configure.in: AC_SUBST xm_defines.
3831 * configure: Regenerate.
3832 * Makefile.in: Set DEFINES=$(xm_defines) when building
3835 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3837 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3838 (cpp_included, find_include_file): Update.
3839 (_cpp_compare_file_date): Make else unconditional.
3841 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3843 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3845 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3847 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3848 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3850 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3852 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3853 if it's a record type.
3855 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3857 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3858 mingw includes slightly.
3860 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3862 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3863 #undef token before poisoning it.
3865 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3867 * alpha.c (check_float_value): Use memcpy, not bcopy.
3869 * m32r.c (m32r_sched_reorder): Likewise.
3871 * vax.c (check_float_value): Likewise.
3873 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3875 * toplev.c (file_name_nondirectory): Remove.
3876 * toplev.h: Similarly.
3877 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3878 of file_name_nondirectory.
3880 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3882 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3883 * mips-tfile.c: Don't #undef rindex; not used.
3885 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3887 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3888 (dbx64_register_map): Declare.
3889 (RETURN_ADDR_RTX): Fix for 64bit.
3890 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3891 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3892 * i386.c (dbx64_register_map): New global array.
3893 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3894 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3897 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3899 * cppfiles.c (search_from): Use lbasename.
3900 * mkdeps.c (deps_add_default_target): Use lbasename.
3902 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3904 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3905 xcalloc in lieu of malloc, realloc & calloc.
3907 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3909 * gengenrtl.c (xmalloc): Likewise.
3911 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3912 really_call_* memory allocation routines.
3914 * stmt.c (check_for_full_enumeration_handling): Use
3915 really_call_calloc, not calloc.
3917 * system.h (really_call_malloc, really_call_calloc,
3918 really_call_realloc): Define.
3919 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3921 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3923 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3925 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3927 * configure: Rebuilt.
3928 * configure.in: Only use `lang_requires' for languages athat are
3931 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3933 * invoke.texi: Fix typo.
3934 * gcc.1: Regenerate.
3936 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3938 * configure.in: Prune nonexistent files from build_xm_file,
3939 xm_file, and host_xm_file lists. Warn unless they're
3941 Don't generate *config.h here.
3942 AC_SUBST all variables needed to generate *config.h.
3943 * configure: Regenerate.
3944 * mkconfig.sh: New helper script, from code removed from
3946 * Makefile.in: Zap all MALLOC variables - no longer used
3947 anywhere, and malloc.c doesn't exist.
3948 Substitute in variables needed to generate *config.h.
3949 Stop lying about the dependencies contained in CONFIG_H and
3951 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3952 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3953 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3954 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3955 $(TM_P_H), etc. as appropriate.
3957 * config.gcc: Zap references to deleted files.
3958 * ggc-none.c: Don't include rtl.h or tm_p.h.
3960 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3961 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3962 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3963 config/i386/xm-linux.h, config/i386/xm-linux.h,
3964 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3965 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3966 Don't include i386/xm-i386.h.
3968 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3969 config/i386/xm-i386.h, config/i860/xm-i860.h,
3970 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3971 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3972 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3973 Delete (empty except comments, #includes of other deleted
3974 files, and macros used nowhere).
3976 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3978 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3979 independent on TARGET_FLAGS.
3981 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3983 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3985 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3987 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3989 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3990 LAST_REX_SSE_REG): define.
3991 (enum reg_class): Add 'LEGACY_REGS'
3992 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3993 (SSE_REGNO_P): Recognize extended registers.
3994 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3995 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3996 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3997 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3998 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3999 REG_OK_FOR_STRREG_P): Remove.
4000 (HI_REGISTER_NAMES): Add extended registers.
4001 (ADDITIONAL_REGISTER_NAMES): Likewise.
4002 (QI_REGISTER_NAMES): Add 8bit extended registers.
4003 (DEBUG_REG): Support extended registers.
4004 * i386.c (regclass_map): Add extended registers.
4005 (dbx_register-map): Likewise.
4006 (svr4_dbx_register_map): Likewise.
4007 (print_reg): Support extended registers.
4008 (print_operand): Support 64bit operands.
4010 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4012 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4013 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4014 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4015 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4016 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4017 STACK_BOUNDARY): Set properly for 64bits.
4018 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4019 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4020 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4021 (MOVE_MAX): Set to 16.
4022 (MOVE_MAX_PIECES): 8 for 64bit.
4023 (Pmode): Set to SImode.
4025 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4027 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4029 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4031 * i386.h (mask_64bit): New constant.
4032 (target_64bit): New macro.
4033 (target_options): Add '64'/'32'
4034 (target_default): Define.
4035 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4036 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4037 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4039 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4041 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4043 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4045 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4046 LO_SUM unless for_alias is set.
4048 2001-03-08 Stan Shebs <shebs@apple.com>
4050 * objc/objc-act.c: Fix old typos in comments, add comments for
4052 (hash_init): Fix file name in error message.
4053 (hash_enter): Ditto.
4054 (hash_add_attr): Ditto.
4055 (continue_class): Ditto.
4057 2001-03-08 Bruce Korb <bkorb@gnu.org>
4059 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4060 wait4() can receive the signal.
4062 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4064 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4066 * fixinc/fixincl.x: Regenerate.
4068 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4070 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4072 * fixinc/fixincl.x: Regenerate.
4074 2001-03-08 Richard Henderson <rth@redhat.com>
4076 * configure.in (HAVE_AS_LEB128): New assembler check.
4077 * configure, config.in: Rebuilt.
4079 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4081 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4084 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4086 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4087 references to the MAXPATHLEN macro.
4089 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4090 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4093 * config/i386/xm-gnu.h, config/xm-gnu.h,
4094 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4095 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4096 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4097 and/or unused files.
4099 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4100 doing so in various xm-*.h files.
4102 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4104 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4106 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4108 * configure.in (enable_shared): Support per-package shared-library
4110 * configure: Rebuilt.
4112 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4114 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4115 for crnot. Set operands[5] in splitter.
4117 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4119 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4120 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4121 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4122 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4123 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4124 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4125 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4128 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4129 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4130 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4131 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4132 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4133 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4134 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4135 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4136 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4137 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4138 Delete unused and/or empty files.
4140 * config.gcc: Define USG in xm_defines as appropriate. Define
4141 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4142 macro. Remove deleted xm-* files from $xm_files variable.
4144 2001-03-07 Tom Tromey <tromey@redhat.com>
4146 * configure: Rebuilt.
4147 * configure.in: Allow config-lang.in to set `lang_requires' to list
4148 of other required languages.
4150 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4152 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4154 (output_prologue): Use xmalloc not oballoc.
4155 (output_epilog): Free a29k_first_epilogue_insn when finished.
4156 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4158 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4160 * builtins.c (expand_builtin_mathfn): Check
4161 flag_unsafe_math_optimizations, not flag_fast_math.
4162 (expand_builtin): Likewise
4163 * combine.c (combine_simplify_rtx): Likewise.
4164 (simplify_if_then_else): Likewise.
4165 * cse.c (fold_rtx): Likewise.
4166 * flags.h: Remove flag_fast_math. Add
4167 flag_unsafe_math_optimizations and flag_trapping_math.
4168 * fold-const.c (negate_expr): Check
4169 flag_unsafe_math_optimizations, not flag_fast_math.
4170 (invert_truthvalue): Likewise.
4171 (fold): Likewise. Before associating operands, check that
4172 code == MULT_EXPR, not code != MULT_EXPR.
4173 * ifcvt.c (noce_try_minmax): Check
4174 flag_unsafe_math_optimizations, not flag_fast_math.
4175 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4176 * invoke.texi: Document -funsafe-math-optimizations and
4177 -fno-trapping-math. Change documentation for -ffast-math.
4178 * jump.c (reversed_comparison_code_parts): Likewise.
4179 (rtx_equal_for_thread_p): Likewise.
4180 * optabs.c (emit_conditional_move): Likewise.
4181 * simplify-rtx.c (simplify_binary_operation): Likewise.
4182 (simplify_relational_operation): Likewise.
4183 (simplify_ternary_operation): Likewise.
4184 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4185 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4186 Add trapping-math and unsafe-math-optimizations entries to f_options.
4187 (set_fast_math_flags): New, sets flags for -ffast-math.
4188 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4189 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4190 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4192 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4193 (alpha_emit_conditional_move): Initialize local_fast_math to
4194 flag_unsafe_math_optimizations, not flat_fast_math.
4195 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4196 instead of setting flag_fast_math to 1.
4197 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4199 * config/i386/i386.c (override_options): Likewise
4200 * config/i386/i386.md: Likewise.
4201 * config/m68k/m68k.md: Likewise.
4202 * config/mips/mips.md: Likewise.
4203 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4204 (rs6000_generate_compare): Likewise.
4206 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4208 * Makefile.in: Set RANLIB to @RANLIB@.
4211 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4213 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4214 * fixinc/fixincl.x: Regenerated.
4216 2001-03-07 Richard Henderson <rth@redhat.com>
4218 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4220 2001-03-07 Richard Henderson <rth@redhat.com>
4222 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4223 of block notes and exception handling notes.
4225 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4226 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4227 (compile_file): ... here.
4229 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4231 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4233 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4234 config.h now. Include libiberty.h to handle alloca.
4236 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4238 * c-parse.in (yylexname): New function, split out of _yylex.
4239 (objc_rid_sans_at): New table.
4240 (init_reswords): Initialize it.
4241 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4242 retrieving the next token and checking it for significance as
4243 an ObjC keyword or string constant.
4245 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4246 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4248 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4251 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4253 * config/m68k/m68k.c (const_uint32_operand): Accept any
4254 const_int on a 32-bit host.
4256 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4258 * objc/objc-act.c (init_objc): Set save_lang_status,
4259 restore_lang_status, and mark_lang_status.
4261 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4263 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4265 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4267 * cppinternals.texi: Update.
4269 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4271 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4272 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4273 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4274 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4275 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4276 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4277 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4278 config/i386/xm-i386.h, config/i860/xm-i860.h,
4279 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4280 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4281 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4282 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4283 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4284 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4285 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4286 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4287 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4288 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4289 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4290 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4291 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4292 match the defaults provided in hwint.h.
4294 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4295 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4297 * config.gcc (xm_file): Don't set to files which are deleted.
4299 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4300 guard this file against these macros being undefined.
4302 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4304 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4305 and DECL_DEFER_OUTPUT on the decl we create, before calling
4306 rest_of_decl_compilation.
4308 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4310 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4312 * configure, config.in: Regenerate.
4313 * config.gcc: Remove references to deleted files.
4315 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4316 genrecog.c, rtl.c: Do not use alloca anywhere.
4318 * Makefile.in, build-make, system.h, config/x-interix,
4319 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4320 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4321 config/arc/xm-arc.h, config/arm/xm-arm.h,
4322 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4323 config/h8300/xm-h8300.h, config/i370/x-oe,
4324 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4325 config/i386/x-ncr3000, config/i386/x-sco5,
4326 config/i386/xm-dgux.h, config/i860/x-sysv4,
4327 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4328 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4329 config/m68k/x-hp320g, config/m69k/x-mot3300,
4330 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4331 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4332 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4333 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4334 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4335 config/mips/x-iris, config/mips/x-iris3,
4336 config/mips/x-sni-svr4, config/mips/x-sysv,
4337 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4338 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4339 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4340 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4341 config/pa/xm-papro.h, config/romp/xm-romp.h,
4342 config/rs6000/x-aix31, config/rs6000/x-aix41,
4343 config/rs6000/x-beos, config/rs6000/x-lynx,
4344 config/rs6000/x-mach, config/rs6000/x-rs6000,
4345 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4346 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4347 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4348 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4349 config/vax/xm-vms.h: Eradicate all references to alloca and
4352 * config/xm-alloca.h, config/clipper/x-clix,
4353 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4354 config/i860/x-sysv3, config/m88k/x-sysv3,
4355 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4356 (contained only alloca related hacks).
4358 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4361 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4363 * invoke.texi: Document __FAST_MATH__.
4365 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4367 * crtstuff.c: Restore include of auto-host.h.
4369 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4371 Put main() in a separate file, so that the language
4372 front-end can use a different main().
4375 * toplev.c: (main): Rename as toplev_main.
4376 * toplev.h: Declare toplev_main.
4377 * Makefile.in (OBJS): add toplev.o.
4378 (BACKEND): remove toplev.o, add main.o.
4380 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4382 * cppfiles.c (search_from): Special case the empty string.
4384 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4386 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4387 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4388 strlen or strcpy; we already know the length.
4389 (_cpp_compare_file_date): Similarly.
4390 * cpphash.h (struct cpp_reader): Delete done_initialising.
4391 (CPP_PREV_BUFFER): Delete.
4392 * cppinit.c (cpp_start_read): Don't set done_initialising.
4393 * cpplex.c (parse_string): Guarantee null-termination.
4394 (_cpp_equiv_toklists): Remove.
4395 * cpplib.c (glue_header_name): Null-terminate.
4396 (do_line): Don't leak memory.
4397 * cpplib.h (BT_WEAK): Delete.
4398 * cppmain.c (cb_ident): Strings are now null-terminated.
4400 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4402 * gcc.c (convert_filename): Append executable suffix
4403 if NO_AUTO_EXE_SUFFIX is not defined.
4404 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4405 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4407 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4409 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4410 * c-parse.gperf, c-gperf.h: Delete.
4411 (c-gperf.h was accidently re-added to the CVS repo in the rev
4412 1.16 commit by tromey)
4414 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4416 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4417 macro arguments when looking for the '('.
4418 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4419 2 when really parsing arguments; 1 when looking for '('.
4420 Always restore the lexer position.
4422 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4424 * longlong.h (umul_ppmm): Don't use a multiline string.
4426 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4428 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4429 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4430 t_bool in declaration because pcc can't combine volatile with typedef
4433 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4435 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4436 until when it is really needed.
4437 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4438 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4439 * i386.md (float?i?f splitter): Don't force source operand to memory
4441 (sse_movdfcc): Fix constraint.
4442 (sse_movdfcc splitter): Handle properly the second alternative.
4444 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4446 * cpplex.c (parse_string): Unconditionally pedwarn.
4448 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4451 * cppexp.c (parse_number): Update.
4452 * cpplex.c (parse_string): Pedwarn if multiline string does not
4453 result from a system header's macro.
4454 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4455 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4456 for function-like macros too.
4457 * c-lex.c (lex_number): Update.
4459 2001-03-03 Richard Henderson <rth@redhat.com>
4461 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4463 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4465 * combine.c (try_combine): If split with mode-changed scratch
4466 register didn't work, try the original mode.
4468 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4470 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4471 * config/c4x/c4x.h: Likewise.
4472 * stor-layout.c (compute_record_mode): Likewise.
4473 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4475 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4477 * configure.in: Kill tm.h. Include the files in the $tm_file
4478 list in all three of config.h, hconfig.h, tconfig.h, after the
4479 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4480 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4481 * configure: Regenerate.
4482 * Makefile.in (clean): Don't delete tm.h.
4484 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4485 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4486 those are not defined, set SEC and FEC to 0 and 1.
4487 * gcc.texi: Update to match.
4489 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4490 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4491 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4492 Include tconfig.h, not tm.h.
4494 * config/xm-lynx.h, config/xm-std32.h,
4495 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4496 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4497 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4498 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4499 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4500 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4501 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4502 config/i386/xm-i386.h, config/i860/xm-i860.h,
4503 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4504 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4505 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4506 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4507 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4508 config/pa/xm-linux.h, config/pa/xm-pa.h,
4509 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4510 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4511 config/pj/xm-pj.h, config/romp/xm-romp.h,
4512 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4513 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4514 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4515 config/v850/xm-v850.h, config/vax/xm-vax.h,
4516 config/we32k/xm-we32k.h:
4518 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4520 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4521 config/i370/xm-oe.h: Don't include tm.h. Don't define
4523 * config/vax/xm-vms.h: Don't include tm.h.
4525 * config/xm-lynx.h, config/avr/xm-avr.h,
4526 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4527 Delete; made empty by above changes.
4528 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4529 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4530 Don't include config/xm-lynx.h or tm.h.
4532 * config/xm-gnu.h: Don't include fcntl.h.
4533 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4535 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4537 2001-03-02 Richard Henderson <rth@redhat.com>
4539 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4540 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4542 2001-03-02 Richard Henderson <rth@redhat.com>
4544 * Makefile.in (OBJS): Add dwarf2asm.o.
4545 * dwarf2asm.c, dwarf2asm.h: New files.
4546 * dwarf2out.c (*): Use them.
4547 (size_of_uleb128, size_of_sleb128): Remove.
4548 (output_uleb128, output_sleb128): Remove.
4549 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4550 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4551 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4552 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4553 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4554 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4555 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4556 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4557 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4558 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4559 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4560 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4561 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4562 (dwarf2out_frame_debug): Remove unused variables.
4563 (output_loc_operands): Don't abort on 8 byte constants if
4564 host integers are wide enough.
4565 (output_symbolic_ref): Remove.
4566 (size_of_die): Don't assume 4 byte host integers.
4567 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4569 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4570 something stupid with HOST_WIDE_INT to long truncation.
4571 [CONST_DOUBLE]: Likewise.
4573 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4574 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4575 * config/arm/unknown-elf.h: Likewise.
4576 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4577 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4578 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4579 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4580 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4581 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4582 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4583 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4584 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4585 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4586 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4587 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4589 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4591 * cselib.c (hash_rtx): Cast enums to unsigned int.
4593 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4595 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4596 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4598 * c-format.c (C_STD_VER): Cast to int for comparisons.
4599 (check_function_format): Cast various enums to int for &.
4600 (maybe_read_dollar_number): Likewise.
4601 (check_format_info): Likewise.
4602 (check_format_info_main): Likewise.
4603 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4604 (safe_from_p): Likewise.
4605 * varasm.c (const_hash): Cast enum to int for %.
4606 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4607 pcc enum problems with < and ++ operators.
4608 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4609 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4610 (regclass_init): Change enum class to int to iterate over reg_classes.
4611 * genrecog.c (merge_trees): Cast enums for comparison.
4612 * rtl.h (GET_CODE): Cast to enum rtx_code.
4613 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4614 (GET_MODE): Cast to enum machine_mode.
4615 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4616 (GET_NOTE_INSN_NAME): Cast enum to int.
4617 * tree.h (TREE_CODE): Cast to enum tree_code.
4618 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4619 * timevar.c (timevar_print): Change loop variable id from enum to
4621 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4622 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4623 * toplev.c (compile_file): Cast enum DFI to int.
4624 (decode_d_option): Likewise.
4626 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4628 * cppinit.c (append_include_chain): Mark "after" include file name list
4629 as a system directory.
4630 * cpp.texi: Document new behavior.
4632 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4634 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4636 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4638 * cppfiles.c (struct include_file): Update.
4639 (stack_include_file): Use search_from.
4640 (cpp_included, find_include_file): Update.
4641 (cpp_execute_include): Update. ptr->name may not be
4642 null terminated. Use the new search_from member variable
4644 (_cpp_compare_file_date): Similarly.
4645 (search_from): New function, similiar to actual_directory.
4646 (actual_directory): Delete.
4647 (remap_filename): Update. loc->name may not be null terminated.
4648 (struct file_name_list): Rename search_path. Update.
4649 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4650 search_from and dir.
4651 (struct cpp_reader): Remove actual_dirs.
4652 * cppinit.c (struct cpp_pending): Update for renamed objects.
4653 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4654 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4655 * cpplib.h (struct cpp_options): Similarly.
4657 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4659 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4660 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4661 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4662 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4663 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4664 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4665 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4666 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4667 config/i370/xm-oe.h, config/i386/xm-aix.h,
4668 config/i386/xm-i386.h, config/i386/xm-osf.h,
4669 config/i860/xm-i860.h, config/i960/xm-i960.h,
4670 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4671 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4672 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4673 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4674 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4675 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4676 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4677 config/pj/xm-pj.h, config/romp/xm-romp.h,
4678 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4679 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4680 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4681 config/v850/xm-v850.h, config/vax/xm-vax.h,
4682 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4683 Do not define TRUE or FALSE.
4685 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4686 empty by above change.
4687 * config.gcc: Remove references to these files.
4689 * configure.in: Detect stdbool.h.
4690 * configure, config.in: Regenerate.
4691 * system.h: Include stddef.h here if available.
4692 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4693 Then set up a sensible boolean type at the very end.
4695 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4696 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4698 * hash.h: Delete 'boolean' typedef and related #undefs.
4700 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4701 all uses of 'boolean' with 'bool'.
4703 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4705 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4706 * cppexp.c (lex): Cast enums for comparison.
4707 * cppinit.c (parse_option): Cast enum for comparison.
4708 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4709 (cpp_output_token): Likewise.
4710 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4711 (cpp_avoid_paste): Cast enums for minus and comparison.
4713 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4715 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4716 field to all array elements.
4718 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4720 * cpphash.h (struct cpp_reader): Add print_version field.
4721 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4722 just set print_version and other flags as appropriate.
4723 (cpp_post_options): Print version here if print_version is set.
4725 * toplev.c (exit_after_options): New flag.
4726 (independent_decode_option): Don't exit here; just set
4728 (main): Exit after calling lang_hooks.post_options if
4729 exit_after_options is true.
4731 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4732 (merge_include_chains): Adjust comment to match code.
4734 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4736 * stringpool.c (set_identifier): New function.
4737 * tree.h: Prototype it.
4739 * c-parse.in: Kill D_YES. If compiled for objc, call
4740 save_and_forget_protocol_qualifiers from init_reswords.
4741 * objc/objc-act.c (remember_protocol_qualifiers,
4742 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4743 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4745 (save_and_forget_protocol_qualifiers): New function.
4746 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4748 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4750 * c-semantics.c (prune_unused_decls): Return error_mark_node
4751 instead of (tree) 1 to stop traversing the tree chain.
4753 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4755 Fix a problem introduced by Kenner's Feb 18 change.
4756 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4757 flag_cse_skip_blocks only temporarily, not for ever.
4759 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4761 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4762 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4764 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4765 before determining its register class.
4767 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4769 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4770 from reg 4 if current_function_calls_setjmp.
4771 (gen_nop_type): New function.
4772 (ia64_emit_nops): New function.
4773 (ia64_reorg): Call it.
4774 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4776 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4777 code not to try to optimize adds with anything but a REG destination.
4779 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4780 (INSN_PRIORITY_KNOWN): New accessor macro.
4781 * haifa-sched.c (priority): Use it instead of testing priority against
4784 2001-02-28 DJ Delorie <dj@redhat.com>
4786 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4787 since that doesn't work the way gcc wants on a generic m68k.
4789 2001-02-28 Richard Henderson <rth@redhat.com>
4791 * caller-save.c (save_call_clobbered_regs): Fix typo in
4792 comparison last change.
4794 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4796 * i386.c (pentium4_cost): New.
4797 (m_PENT4): New macro.
4798 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4799 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4800 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4801 x86_memory_mismatch_stall): Add Pentium4
4802 (x86_use_q_reg, x86_use_any_reg): Kill.
4803 (override_options): Add pentium4.
4804 (incdec_operand): Return 0 for pentium4.
4805 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4806 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4807 (TARGET_PENTIUM4): Define.
4808 (enum processor_type): Add PROCESSOR_PENTIUM4.
4809 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4810 * i386.md (attribute "cpu"): Add pentium4.
4811 * invoke.texi (march): Add pentium4.
4813 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4815 * i386.md (sse_mov?fcc*): New patterns and splitters.
4816 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4817 the SSE based conditional moves.
4819 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4821 * i386.md (attribute mode): Add "TI".
4822 (movsf_1): Add pxor support; remove constant propagation splitter.
4823 (movdf_integer): Likewise.
4824 (movdf_nointeger): Likewise.
4825 (movxf constant prop splitter): Handle all modes; update for SSE.
4826 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4827 * i386.c (standard_80387_constant_p): Rewrite.
4828 (standard_sse_constant_p): New.
4829 * i386-protos.h (standard_sse_constant_p): New.
4831 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4833 * i386.md (sse_setccsf, sse_setccdf): New.
4834 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4836 * i386.c (sse_comparison_operator): Accept the supported unordered
4837 comparses; be ready for fast_math.
4838 (print_operand): Support 'D'.
4840 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4842 * jump.c (reversed_comparison_code): Kill.
4844 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4846 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4849 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4851 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4852 add missing '%' in constraints.
4854 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4856 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4857 for HOST_BITS_PER_WIDE_INT == 32 too.
4859 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4861 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4863 (insert_save, insert_restore): New parameter save_mode.
4864 (init_caller_save): Update initialization of reg_save_code
4865 and reg_restore_code.
4866 (save_call_clobbered_regs): Compute save_modes and update calls to
4867 reg_save_code and reg_restore_code.
4868 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4869 of spill; update use of reg_restore_code.
4870 (insert_save): Likewise.
4871 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4872 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4873 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4875 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4877 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4878 noce_try_store_flag_inc, noce_try_store_flag_mask,
4879 noce_try_cmove_arith):
4880 Use reversed_comparison_code instead of reverse_comparison and
4881 can_reverse_comparison_p.
4883 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4885 * jump.c (reversed_comparison_code_parts): Allow reversal of
4886 unordered compares in -ffast-math mode; reverse ordered compares
4887 for FP even w/o -ffast-math.
4889 2001-02-27 Richard Henderson <rth@redhat.com>
4891 * print-rtl.c (print_rtx) [i]: Don't print field five on
4892 NOTEs other than NOTE_INSN_DELETED_LABEL.
4894 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4896 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4897 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4899 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4901 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4902 even if walk_subtrees is 0.
4903 * c-semantics.c (prune_unused_decls): Return a non-null value to
4904 stop traversing the tree chain.
4906 2001-02-27 DJ Delorie <dj@redhat.com>
4908 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4909 register, *then* define it as the new CFA.
4911 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4913 * pa.c (override_options): Promote -fpic to -fPIC.
4914 (legitimize_pic_address): Simplify due to removal of
4915 small PIC as a code generation option.
4916 (secondary_reload_class): Similarly.
4917 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4918 (PRINT_OPERAND_ADDRESS): Similarly.
4919 * pa.md (various patterns): Similarly.
4920 (small pic lo_sum pattern): Remove.
4922 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4925 * md.texi (min, max): Document
4927 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4929 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4930 TARGET_PARTIAL_REG_DEPENDENCY.
4931 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4933 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4935 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4937 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4939 * mips.c (mips_make_temp_file): Fix thinko in last change.
4941 2001-02-26 Jason Eckhardt <jle@redhat.com>
4943 * combine.c (known_cond): Do not reverse the condition when
4944 SMAX/UMAX is being considered and the condition is for equality
4947 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4949 2001-02-26 Philip Blundell <philb@gnu.org>
4951 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4953 * config/arm/linux-elf.h: Remove historical relics related to
4954 above configurations.
4955 * config/arm/linux-oldld.h: Delete.
4956 * config/arm/linux-elf26.h: Delete.
4958 2001-02-26 Jason Merrill <jason@redhat.com>
4960 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4962 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4963 recognize a tentative definition. Lose obsolete code.
4965 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4966 variables unless necessary, either.
4968 2001-02-25 Richard Henderson <rth@redhat.com>
4970 * ifcvt.c (struct noce_if_info): Add test_bb.
4971 (noce_get_alt_condition): New.
4972 (noce_try_minmax, noce_try_abs): New.
4973 (noce_operand_ok): New.
4974 (noce_process_if_block): Use them.
4975 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4977 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4979 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4982 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4984 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4985 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4987 (mips_asm_file_end): Free temp_filename here.
4989 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4991 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4992 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4994 * config/i386/i386.md (movstrsi): Handle FAIL case.
4996 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4998 * cppinit.c (builtin_array): Update.
4999 (init_builtins): Flag builtins to warn if redefined or
5000 undefined. Define __GXX_WEAK as a normal macro.
5001 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5002 * cpplib.h (NODE_WARN): New flag.
5003 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5004 Handle __STDC__ as a builtin only on Solaris.
5005 (warn_of_redefinition): Renamed from check_macro_definition.
5006 Reverse sense of test. Always warn if NODE_WARN.
5007 (_cpp_create_definition): Use warn_of_redefinition. Flag
5008 any macro beginning with "__STDC_" to require a mandatory
5009 warning if redefined or undefined.
5011 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5013 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5014 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5015 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5016 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5017 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5018 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5019 Don't define any of:
5020 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5021 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5022 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5023 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5024 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5026 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5027 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5030 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5031 Delete now-empty file.
5033 * alpha/vms.h: Define NEED_ATEXIT here...
5034 * alpha/xm-vms.h: ...not here.
5036 * i386/cygwin.h: Don't define PARAMS.
5037 * mips/mips.c: Don't prototype mktemp. Don't define
5038 P_tmpdir. Use make_temp_file to create temporary files.
5039 Don't be clever and delete temporary files early.
5040 * config.gcc: Drop references to deleted files. Don't define
5042 * gcc.texi: Don't mention USE_PROTOTYPES.
5044 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5046 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5047 (ix86_set_move_mem_attrs_1): Likewise.
5048 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5049 * config/i386/i386.md (movstrsi): Call it.
5051 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5053 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5054 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5055 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5056 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5058 (i750a-*-*): Error here if hosting on i750a.
5059 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5061 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5062 Remove (empty modulo comments).
5064 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5065 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5066 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5067 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5068 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5069 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5071 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5072 Remove reference to winnt.h in comment.
5073 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5075 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5077 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5078 used to set another biv.
5080 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5082 * tree.h (BLOCK_DEAD): New macro.
5083 (struct tree_block): New flag, dead_flag.
5084 * print-tree.c (print_node, case 'b'): Print missing fields.
5085 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5086 * function.c (identify_blocks): Enable test for misplaced notes.
5087 (all_blocks): Skip BLOCK_DEAD blocks.
5088 * integrate.c (integrate_decl_tree): Likewise.
5090 * errors.c (internal_error, trim_filename): New functions.
5091 (fancy_abort): Call internal_error.
5092 * errors.h (internal_error, trim_filename): New declarations.
5094 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5096 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5098 (EXTRA_CONSTRAINT): Formatting changes.
5100 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5102 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5104 2001-02-23 Per Bothner <per@bothner.com>
5106 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5107 so they can be called from java/jvspec.c.
5108 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5110 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5112 * i386.c (ix86_frame): New structure.
5113 (ix86_compute_frame_size): Kill.
5114 (ix86_compute_frame_layout): New.
5115 (ix86_save_reg): New.
5116 (ix86_can_use_return_insn_p): Use frame layout stuff.
5117 (ix86_expand_prologue): Likewise.
5118 (ix86_expand_epilogue): Likewise.
5119 (ix86_initial_elimination_offset): Likewise.
5120 (ix86_nsaved_regs): Use ix86_save_reg.
5121 (ix86_emit_save_regs): Likewise.
5123 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5125 * flow.c (find_sub_basic_blocks): New function.
5126 (split_block): Be ready for basic block introduced by CODE_LABEL.
5127 (commit_one_edge_insertion): Call find_sub_basic_block.
5129 * flow.c (make_edges): Add edge from entry for blocks starting with
5130 label having ALTERNATE_NAME
5132 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5134 * function.c (epilogue_done): Be ready for first basic block not
5135 containing PROLOGUE_END note.
5136 (reposition_prologue_and_epilogue_notes): Avoid placing
5137 PROLOGUE_END note between BASIC_BLOCK.
5139 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5141 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5143 2001-02-21 DJ Delorie <dj@redhat.com>
5145 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5146 check for current_function_has_nonlocal_goto from 1999-11-12.
5148 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5150 * diagnostic.c (trim_filename): No longer static.
5151 * toplev.h (trim_filename): Declare.
5152 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5153 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5154 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5155 (rtvec_check_failed_bounds): Likewise.
5156 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5158 * convert.c (convert_to_integer): Don't do unsigned unless result or
5159 both inputs are unsigned.
5161 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5164 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5166 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5168 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5170 * Makefile.in (resource.o): Add params.h dependence.
5171 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5172 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5173 * resource.c: Add dependence on params.h.
5174 (current_live_regs): Fix explanatory comment.
5175 (find_basic_block): Add new parameter to permit limiting search
5177 (mark_target_live_regs): Add new argument to find_basic_block call.
5178 (incr_ticks_for_insn): Likewise.
5180 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5182 * diagnostic.c (output_to_stream): Rename to
5183 output_buffer_to_stream. Loses the stream parameter.
5184 (init_output_buffer): Set diagnosic_buffer's stream.
5185 (flush_diagnostic_buffer): Adjust.
5186 (default_print_error_function): Likewise.
5187 (finish_diagnostic): Likewise.
5188 (verbatim): Likewise.
5190 * diagnostic.h (struct output_buffer): Add `stream' field.
5191 (output_buffer_attached_stream): New macro.
5193 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5195 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5196 check if either operand is divisible by C.
5197 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5198 If type is signed, consider negative numbers as well.
5200 2001-02-22 Richard Henderson <rth@redhat.com>
5202 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5203 reach .text instead of gp-relative relocs.
5204 * config/ia64/crtend.asm (.init): Likewise.
5206 2001-02-22 Andreas Jaeger <aj@suse.de>
5208 * extend.texi (C++ Attributes): Fix typo.
5210 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5212 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5213 functions, drop current_function_args_info.words test.
5214 (ia64_compute_frame_size): Mark syscall_linkage functions as
5215 using eight input registers.
5217 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5218 Bruce Korb <bkorb@gnu.org>
5220 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5221 * fixinc/README: Document how to convert sed substitutions
5222 to format style c_fix-es.
5223 * fixinc/fixincl.x: regen
5225 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5227 * gcc.c: Add comment explaining how to add a command-line option.
5228 Add title to specs language comment.
5230 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5232 * gcc.c (cc1_options): Add "-param".
5233 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5234 (option_map): Likewise.
5235 * toplev.c (display_help): Add entry for "--param".
5236 (independent_decode_option): Fix typographical error.
5238 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5239 Bernd Schmidt <bernds@redhat.com>
5240 Jan Hubicka <jh@suse.cz>
5242 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5243 (function_arg): Likewise.
5245 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5247 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5249 2001-02-21 Kazu Hirata <kazu@hxi.com>
5251 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5255 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5257 * flow.c (init_propagate_block_info): Canon address and use single_set
5258 for killing dead memory stores.
5260 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5262 * Makefile.in (reorg.o): Add params.h dependence.
5263 * params.def: Fix typographical error in comment.
5264 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5265 * params.h: Modify introductory comment.
5266 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5267 * reorg.c: Add dependence on params.h.
5268 (redundant_insn): Add parameterized throttle for search.
5269 (fill_simple_delay_slots): Add a comment explaining a variable.
5270 Move conditional out of loop, simplifying code.
5271 (fill_eager_delay_slots): Fix typographical error in comment.
5273 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5275 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5277 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5278 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5280 2001-02-21 Jason Merrill <jason@redhat.com>
5282 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5283 (struct tree_decl): Add uninlinable bitfield.
5284 * c-decl.c (duplicate_decls): Set it.
5285 * integrate.c (function_cannot_inline_p): Check it.
5287 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5288 DW_AT_MIPS_linkage_name to abstract methods.
5289 (dwarf2out_abstract_function): Emit class context before calling
5290 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5291 (gen_subprogram_die): Remove obsolete code.
5292 (gen_member_die): Don't include clones in the member list.
5293 (gen_decl_die): Emit abstract info for clone origin.
5294 * dwarfout.c (output_type): Don't include clones in the member list.
5295 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5296 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5297 DECL_ABSTRACT on a function that already has it set.
5299 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5300 (get_subprogram_die): Pass it in.
5302 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5304 * flow.c (mark_set_1): Make not_dead unsigned long. For
5305 non-pseudos, use it as a bitmask of the hard regs that
5308 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5310 * cppfiles.c: Update comments.
5311 (_cpp_read_file): Don't check for NULL filenames any more.
5312 * cppinit.c (cpp_start_read): Don't do canonicalization of
5313 in_fname and out_fname. Use the passed file name exclusively.
5314 (_cpp_handle_options): Don't treat "-" as a command line option,
5315 but as a normal filename.
5316 (_cpp_post_options): Canonicalize in_fname and out_fname.
5317 * cppmain.c (printer_init): Don't check out_fname for NULL.
5318 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5319 (init_c_lex): Update, and use "" to represent stdin to CPP.
5322 2001-02-20 Will Cohen <wcohen@redhat.com>
5324 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5325 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5326 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5329 2001-02-20 Stan Shebs <shebs@apple.com>
5331 * config/rs6000/rs6000.c (output_cbranch): Output branches
5332 on separate lines instead of using ';' to separate.
5334 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5336 * cppinit.c (set_lang): Move builtin handling to...
5337 (init_builtins): ...here.
5338 (_cpp_create_reader): Move call to set_lang.
5340 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5342 * stmt.c (expand_return): If an attempt is made to return the
5343 error_mar_node, treat the return like a return without a value.
5345 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5347 * sibcall.c (skip_copy_to_return_value): Call
5348 identify_call_return_value here, and return orig_insn if it
5349 returns zero. Hardret and softret arguments now unnecessary.
5350 (call_ends_block_p): Don't call identify_call_return_value here.
5352 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5354 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5355 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5357 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5359 * pa.c (move_operand): Accept code to load the address of a
5360 symbol out of the DLT as a valid move operand.
5361 (print_operand, case 'A'): New to handle generating a DLT
5362 reference for a LO_SUM expression.
5363 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5364 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5366 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5368 * README, cpp.texi, gcc.texi, version.c: Update version number to
5370 * cpp.1, gcov.1, gcc.1: Regenerate.
5372 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5374 * cppfiles.c (stack_include_file): Generate dependencies
5375 here, and manage include_count here too.
5376 (PRINT_THIS_DEP): Delete.
5377 (_cpp_execute_include): Do not generate dependencies here,
5378 apart from the case of a missing header. Do not manage
5380 (_cpp_read_file): Leave dependency generation to
5383 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5385 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5386 target_cpu_default. Remove dead assignment to
5389 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5391 * regclass.c (contains_reg_of_mode): Make global.
5392 (init_reg_sets): Remove contains_reg_of_mode; take into account
5393 CLASS_MAX_NREGS when looking for the proper mode.
5394 (dump_regclass): Dump only classes considered for the pseudo.
5395 (regclass): Use contains_reg_of_mode.
5397 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5399 * gcc.c (do_spec_1): 'n' for printing notices.
5400 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5402 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5404 * reg-stack.c (next_flags_user): Use current_block->end
5405 (swap_rtx_condition): Look for next user if flags don't die;
5406 give up on CALL_INSNs; use current_block->end.
5408 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5410 * sibcall.c (call_ends_block_p): New function.
5411 (optimize_sibling_and_tail_recursive_call): Use it.
5413 2001-02-18 Kazu Hirata <kazu@hxi.com>
5415 * config/h8300/h8300.md: Update copyright.
5416 (andsi3): Do not output an extra newline character.
5418 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5420 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5421 FNDECL may be unused.
5423 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5424 follow jumps after first run.
5425 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5426 it doesn't change any jumps.
5428 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5430 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5431 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5432 (mostlyclean): Corresponding changes.
5433 * rtlanal.c (hard-reg-set.h): Include.
5434 (rtx_unstable_p): Do not treat the argument pointer specially
5435 if it is not a fixed register.
5436 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5438 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5440 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5441 against last real insn in basic block.
5442 Rework to avoid gotos.
5444 * Makefile.in (gcse.o): Now includes ggc.h.
5445 * gcse.c: Include ggc.h.
5446 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5447 (try_replace_reg): Remove warning of uninitialize variable.
5448 (process_insert_insn): Call invalid_insn_p to validate insn.
5449 * recog.c (insn_invalid_p): Now global.
5450 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5451 * recog.h (insn_invalid_p): New declaration.
5453 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5455 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5456 assignments from FP constants since 'Y' output code can't handle it.
5457 (eligible_for_sibcall_delay): Likewise.
5459 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5460 Call fancy_abort directly, passing args.
5461 (print_rtl_and_abort): Now a macro, like fancy_abort.
5463 * final.c (output_operand_lossage): Use internal_error, not error.
5465 2001-02-18 Shane Nay <shane@agendacomputing.com>
5467 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5468 structure shift insns.
5470 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5472 * invoke.texi (-fsquangle): Remove documentation.
5473 (-fname-mangling-version): Likewise.
5475 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5477 * optabs.c (expand_abs): Remove reference to
5478 HAVE_contitional_arithmetic.
5479 * combine.c (simplify_set): Likewise.
5481 2001-02-18 Richard Henderson <rth@redhat.com>
5483 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5486 2001-02-18 Richard Henderson <rth@redhat.com>
5488 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5490 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5492 * reload1.c (reload_cse_simplify_set): Fix typo.
5494 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5496 * diagnostic.c (_fatal_insn): Decrement errorcount.
5498 * invoke.texi (-I): Add note avoiding use for system header files.
5500 * rtl.h (add_clobbers): Remove duplicate declaration.
5501 * recog.h (added_clobbers_hard_reg_p): New declaration.
5502 * genemit.c (struct clobber_pat): New field has_hard_reg.
5503 (gen_insn): Record if added clobbers clobber hard reg.
5504 (gen_split): Avoid unused warning if number of operands is 0.
5505 (output_added_clobbers_hard_reg_p): New function.
5508 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5510 * pa.c (hppa_expand_prologue): Simplify code storing return
5511 pointer. For large (>=8k) frames with a post_store, adjust stack
5512 pointer by 8k-64 first rather than by 64. When testing with
5513 VAL_14_BITS_P, always use the actual value rather than the value
5514 negated. Add blockage to prevent scheduling of spills before
5515 stack frame has been created.
5516 (hppa_expand_epilogue): Simplify code loading return pointer.
5517 Allow a slightly larger range for merge_sp_adjust_with_load case.
5518 When testing with VAL_14_BITS_P, always use the actual value.
5520 * pa.c (pa_adjust_insn_length): Check that block move
5521 pattern is a set before looking at operands.
5523 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5525 * fold-const.c (fold_binary_op_with_conditional_arg): New
5526 function, split out from ...
5528 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5529 conditional arms that throw exceptions.
5531 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5534 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5536 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5537 define HAVE_DECL_* to 1 to mask potential backup declarations.
5538 * configure: Regenerated.
5540 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5542 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5544 2001-02-17 Richard Henderson <rth@redhat.com>
5546 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5547 when replacing a memory load with a register.
5549 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5550 Jan Hubicka <jh@suse.cz>
5552 * recog.c (validate_replace_src_1): New.
5553 (validate_replace_src_data): Likewise.
5554 (validate_replace_src): Use note_uses.
5555 * rtl.h (note_uses): Declare.
5556 * rtlanal.c (note_uses): New.
5558 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5560 * reg-stack.c (stack_def): Make field reg unsigned.
5561 (remove_regno_note): Unsignetize parameter.
5563 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5565 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5566 shladd_operand() call.
5568 2001-02-16 Bruce Korb <bkorb@gnu.org>
5569 Rodney Brown <RodneyBrown@mynd.com>
5571 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5572 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5573 machine restrictions
5574 * fixinc/fixincl.x: regen
5576 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5578 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5580 (hash_scan_insn): Clean up calls to hash_scan_set.
5581 (compute_kill_rd): REGNO now unsigned.
5582 (try_replace_reg): Rework to use simplify_replace_rtx.
5583 (cprop_jump, cprop_cc0_jump): Likewise.
5584 (cprop_insn): Call find_reg_equal_equiv_note.
5585 Reflect changes to cprop_jump and cprop_cc0_jump.
5587 * recog.c (validate_replace_src): Replace in operands of
5588 ZERO_EXTRACT in SET_DEST.
5590 * cse.c (new_label_ref): New variable.
5591 (insert): Set it instead of recorded_label_ref.
5592 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5593 CODE_LABEL for this function, and not already in REG_LABEL note.
5595 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5597 * resource.c (mark_referenced_resources): Fix typo in introductory
5599 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5602 2001-02-16 Jason Merrill <jason@redhat.com>
5604 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5606 (gen_subprogram_die): Don't abort on seeing a second definition if
5607 the previous one was abstract. Don't replace an abstract instance
5608 in the lookup table.
5610 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5611 gen_abstract_function.
5612 * dwarf2out.h: Declare it.
5613 * toplev.c (note_outlining_of_inline_function): New fn.
5614 * toplev.h: Declare it.
5615 * integrate.c (output_inline_function): Call it.
5616 * c-decl.c (duplicate_decls): Call it when redefining an extern
5617 inline. Don't inline the new defn.
5619 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5621 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5623 * .gdbinit: Rename to gdbinit.in.
5624 * gdbinit.in: New file,
5625 * configure.in: Generate .gdbinit from gdbinit.in.
5626 * configure: Regenerated.
5627 * Makefile.in (distclean): Always remove .gdbinit.
5629 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5631 * objc/objc-act.c (start_class): Register implemented_classes with
5634 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5636 * cppfiles.c (_cpp_make_system_header): Generate a file
5639 2001-02-15 Jim Meyering <meyering@lucent.com>
5641 * Makefile.in (install-common): Don't depend on installdirs here.
5642 Instead, make each of the lang.install-common targets (e.g.,
5643 c++.install-common in cp/Make-lang.in) depend on it.
5644 (install-driver): Depend on installdirs.
5646 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5648 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5650 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5653 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5655 * invoke.texi (--param): Document.
5657 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5659 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5661 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5663 * i386.md (extendsfdf2_2): Fix constraints.
5665 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5667 * i386.md (fop_df_3 splitter): Fix operand number.
5669 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5671 * invoke.texi (-mreg-alloc): Nuke.
5672 * i386.c (ix86_reg_alloc_order, regs_allocated,
5673 order_regs_for_local_alloc): Nuke.
5674 (override_options): Kill reg_alloc code.
5675 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5676 (REG_ALLOC_ORDER): SSE goes before I387.
5677 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5678 (ix86_reg_alloc_order): Likewise.
5679 * i386-protos.h (ix86_reg_alloc_order): Kill.
5681 2001-02-14 Richard Henderson <rth@redhat.com>
5683 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5685 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5687 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5689 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5691 * i386-protos.h (ix86_memory_move_cost): Move offline.
5692 * i386.c (ix86_register_move_cost): Compute properly cost of
5693 SSE, MMX and i387 instructions.
5694 (*_cost): Add costs of SSE/MMX moves.
5695 (ix86_memory_move_cost): Move offline from ....; Likewise.
5696 * i386.h (MEMORY_MOVE_COST): .... here;
5697 (struct processor costs): Add new fields to represent costs
5700 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5702 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5703 move_cost together with Matt Kraai's fix.
5705 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5707 * Makefile.in (OBJS): Add params.o.
5709 2001-02-14 Richard Henderson <rth@redhat.com>
5710 DJ Delorie <dj@redhat.com>
5712 * jump.c (jump_optimize_1): When we delete a conditional jump
5713 preceeding a non-conditional jump to effectively the same place,
5714 make sure that the combined jump skips any clobber insns between
5717 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5719 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5721 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5723 * Makefile.in (toplev.o): Depend on params.h.
5724 (intergate.o): Likewise.
5725 (params.o): New target.
5726 * flags.h (inline_max_insns): Remove.
5727 * integrate.c: Include params.h.
5728 Use MAX_INLINE_INSNS instead of inline_max_insns.
5729 * params.c: New file.
5730 * params.h: Likewise.
5731 * params.def: Likewise.
5732 * toplev.c: Include params.h.
5733 (lang_independent_params): New variable.
5734 (decode_f_option): Use the param machinery instead of setting
5736 (independent_decode_option): Handle "--param name=value".
5737 (main): Register language-independent parameters.
5739 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5741 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5743 2001-02-14 Richard Henderson <rth@redhat.com>
5745 * regclass.c (init_reg_sets_1): Revert last two changes.
5747 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5749 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5750 (variable_size): Call put_pending_size.
5751 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5752 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5753 sizes list, put newly created SAVE_EXPR there as well.
5755 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5757 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5758 (errata_find_address_regs): load_group has only 2 entries.
5759 (errata_emit_nops): Likewise. shladd is not problematic.
5760 Clear last_group if nop was emitted.
5761 (fixup_errata): load_group has only 2 entries.
5764 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5766 * c-lex.c (lex_number): Only warn traditionally for U suffix
5767 outside system macros.
5768 * cppexp.c (parse_number): Similarly.
5769 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5770 * cppmacro.c (struct cpp_macro): New member node.
5771 (parse_args): Only warn about missing rest args if not
5773 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5774 (cpp_sys_objmacro_p): New.
5775 (_cpp_create_definition): Store the node with the macro defn.
5776 Remember if the macro is defined in a system header.
5778 2001-02-13 DJ Delorie <dj@redhat.com>
5780 * configure.in (check_languages): determine languages to check
5781 * Makefile.in (check-c++): alias for check-g++
5782 (check-f77): alias for check-g77
5783 (CHECK_TARGETS): depend on configured languages
5785 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5787 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5788 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5789 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5790 (sqrtextendsfdf2): Disable for SSE2.
5792 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5794 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5795 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5796 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5797 (sqrtextendsfdf2): Disable for SSE2.
5799 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5801 * i386.md (movsfcc_1): Support integer cmove instruction.
5802 (movdfcc_1): Likewise; new splitter.
5804 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5806 * i386.c (output_fp_compare): Support SSE.
5807 (prepare_fp_compare_args): SSE comparisons always support memory.
5808 * i386.h (TARGET_CMOVE): SSE imply cmove.
5809 * i386.md (cmp?f2): Enable for SSE too.
5810 (cmpfp_i*): Support SSE.
5812 (cmpfp_i_sse_only): New.
5813 (s*, b* fp expanters): Enable for SSE too.
5814 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5817 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5819 * regclass.c (init_reg_sets_1): Silence warning.
5821 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5823 * i386.md (sqrt?f2): Change to expander.
5824 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5826 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5828 * rtlanal.c (find_reg_equal_equiv_note): New function.
5829 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5830 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5831 * rtl.h: Add declarations for above functions.
5833 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5835 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5837 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5838 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5839 * flow.c (mark_regs_live_at_end): Likewise.
5840 (calculate_global_regs_live): Likewise.
5841 * gcse.c (compute_hash_table): Likewise.
5842 (compute_kill_rd): Likewise.
5843 * resource.c (mark_target_live_regs): Likewise.
5844 * rtl.h (INVALID_REGNUM): New macro.
5846 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5848 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5850 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5852 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5855 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5857 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5859 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5860 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5861 (fop_sf_1_sse, fop_df_1_sse): New patterns
5862 (fop_*): Disable float_extend and float patterns for SSE compilation.
5863 * i386.c (output_387_binary_op): Support SSE.
5865 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5867 * i386.md (dummy_extendsfdf2): Support SSE2
5868 (extendsfdf2): Enable if 80387 or SSE2.
5869 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5870 and no MIX_I387_SSE2
5871 (extendsfdf2_1_sse_only): New pattern.
5872 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5874 (truncdfsf2_1): Support SSE.
5875 (truncdfsf2_2): Support SSE.
5876 (truncdfsf2_2_1_sse): New pattern.
5877 (fixtruncsfsi2): Always use SSE if available.
5878 (fix_truncsfsi_sse): New pattern.
5879 (fix_truncdfsi_sse): New pattern.
5880 (floatsis?f2): Support SSE.
5881 (floatsidf2_i387): New pattern.
5882 (floatsidf2_sse): Likewise.
5884 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5886 * configure.in: Use "have_gnat" variable, not "gnat".
5887 * configure: Regenerated.
5889 * config/sparc/sparc.c (function_value): Treat all non-record
5890 aggregate types like used to treat UNION_TYPE.
5892 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5894 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5895 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5897 (MASK_MIX_SSE_I387): New.
5898 (TARGET_SSE): SSE2 imply SSE.
5899 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5900 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5901 (enum reg_class): Add new classes.
5902 (REG_CLASS_NAMES): Likewise.
5903 (REG_CLASS_CONTENTS): Likewise.
5904 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5905 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5906 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5907 (CLASS_MAX_NREGS): Use new macros.
5908 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5909 * i386.md (pushsf, movsf): Support SSE.
5910 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5911 splitters to use ANY_FP_REGNO_P.
5912 (movdf_nointeger, movdf_integer): Likewise.
5914 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5916 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5917 (try_combine): Use it.
5919 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5921 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5922 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5923 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5924 (REGISTER_MOVE_COST): Likewise.
5925 * i386-protos.h (ix86_secondary_memory_needed,
5926 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5927 * i386.c (ix86_secondary_memory_needed,
5928 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5930 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5932 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5933 (HARD_REGNO_MODE_OK): Move offline to ....
5934 * i386.c (ix86_hard_regno_mode_ok) ... here;
5935 refuse all incorrect modes.
5936 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5938 2001-02-13 Richard Henderson <rth@redhat.com>
5940 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5941 entire operator; replicate that and match_dup the operands.
5942 (cmp_ccx_arith_op_set): Likewise.
5943 (cmp_cc_arith_op_not_set): Likewise.
5944 (cmp_ccx_arith_op_not_set): Likewise.
5946 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5948 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5950 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5952 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5953 (TARGET_NO_BITFIELD_WORD): New macro.
5954 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5955 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5957 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5959 * cselib.c: New file, from simplify-rtx.c.
5960 * simplify-rtx.c: Remove cselib parts.
5961 * Makefile.in: Add cselib.o.
5963 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5965 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5966 (setup_incoming_varargs): Remove warning.
5968 * config/rs6000/rs6000.c (validate_condition_mode): When
5969 flag_fast_math, allow floating-point conditionals to be reversed.
5970 (rs6000_generate_compare): When flag_fast_math, don't generate
5971 cror operations for FP conditionals.
5973 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5975 (ASM_SPEC): Likewise.
5976 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5977 (CC1_SPEC): Likewise.
5978 (LINK_TARGET_SPEC): Likewise.
5979 (CPP_ENDIAN_SPEC): Likewise.
5980 * Makefile.in (check-consistency): New target.
5982 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5984 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5985 "return type defaults" warning for functions with return type
5987 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5988 function declarations by default rather than only when pedantic.
5990 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5992 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5995 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5997 * extend.texi (Deprecated): Deprecate new initializer lists.
5999 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6001 * mkdeps.c (deps_add_default_target): Robustify. Add
6002 basename component only.
6003 * cpp.texi (-M): Describe how default target is generated.
6004 * invoke.texi (-M): Likewise.
6006 2001-02-12 Kazu Hirata <kazu@hxi.com>
6008 * toplev.c (push_float_handler): Remove.
6009 (pop_float_handler): Remove.
6010 * toplev.h: Remove prototypes for the above functions.
6012 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6014 * c-common.c (constant_fits_type_p): New function.
6015 (convert_and_check): Use it.
6017 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6019 * Makefile.in (GXX_ABI_FLAG): Don't define.
6020 * configure.in (--enable-new-gxx-abi): Remove option.
6021 * config.in: Regenerated.
6022 * configure: Likewise.
6024 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6026 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6028 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6029 regular basic block, and arrange for all edges into it to switch
6032 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6034 * Makefile.in (distclean): Do not remove .gdbinit.
6036 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6038 * Makefile.in (gcc.o): Fix typos.
6039 (protize.o): Likewise.
6040 (unprotoize.o): Likewise.
6042 2001-02-11 Richard Henderson <rth@redhat.com>
6044 * tree.c (build1): Check for null operand in last change.
6046 2001-02-11 Richard Henderson <rth@redhat.com>
6048 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6049 (fold): Don't assume a constant isn't foldable.
6050 * tree.c (build): Set TREE_CONSTANT for an expression with no
6051 side-effects and constant operands.
6054 2001-02-10 Richard Henderson <rth@redhat.com>
6056 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6058 2001-02-10 Anthony Green <green@redhat.com>
6060 * cpp.texi (Standard Predefined): Add documentation for
6063 * c-common.c (combine_strings): Improve warning message.
6065 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6067 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6069 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6071 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6073 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6076 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6078 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6081 2001-02-09 Nick Clifton <nickc@redhat.com>
6083 * config/arm/arm.md: Change output contraint on post inc
6084 load/store multiple patterns to be a read/write contraint.
6086 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6088 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6089 .o files when using the -M options.
6091 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6092 David Edelsohn <edelsohn@gnu.org>
6094 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6095 handle DImode constants. Use one TOC entry for SImode and smaller
6096 constants, aligned properly.
6098 2001-02-08 Jason Merrill <jason@redhat.com>
6100 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6101 about the SP adjustment for saving the static chain pointer.
6102 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6103 offset when setting a temporary CFA register.
6105 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6107 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6108 powerpc-*-chorusos* .
6109 * config/rs6000/chorus.h : New file.
6110 * config/i386/chorus.h : New file.
6111 * config/sparc/chorus.h : New file.
6112 * config/sparc/t-chorus-elf : New file.
6114 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6116 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6117 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6118 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6119 (__WCHAR_TYPE__): Correct macro name.
6121 2001-02-08 Richard Henderson <rth@redhat.com>
6123 * config/i386/i386.c (ix86_frame_pointer_required): New.
6124 (ix86_setup_frame_addresses): New.
6125 (struct machine_funciton): Add accesses_prev_frame.
6126 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6127 ix86_frame_pointer_required.
6128 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6129 (SETUP_FRAME_ADDRESSES): New.
6130 * config/i386/i386-protos.h: Update.
6131 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6132 from FRAME_POINTER_REQUIRED.
6133 * config/i386/svr3gas.h: Likewise.
6134 * config/i386/sysv3.h: Likewise.
6135 * config/i386/v3gas.h: Likewise.
6137 2001-02-08 Richard Henderson <rth@redhat.com>
6139 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6140 calculation of the number of integer registers required.
6141 (function_arg_record_value): Likewise.
6143 2001-02-08 Jason Merrill <jason@redhat.com>
6145 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6146 two. Print file and line with "confused" message.
6148 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6150 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6152 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6154 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6156 * final.c (cleanup_subreg_operands): The address of a MEM can
6159 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6162 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6164 * gcc.texi (Incompatibilities): Update documentation of
6165 preprocessing numbers.
6167 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6169 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6171 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6173 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6175 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6176 * gcc.c (struct compiler): Add cpp_spec field.
6177 (input_file_compiler): New variable.
6178 (do_spec_1): Allow a particular compiler to handle `%C'
6180 (main): Store the current compiler in input_file_compiler.
6181 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6183 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6185 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6186 * cppinit.c (cpp_create_reader): Initialize them.
6187 (append_include_chain): cxx_aware arg might be unused.
6188 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6189 keywords and give them their phase 7 meaning. Pedwarn about
6190 this unless '__bool_true_false_are_defined' is defined.
6192 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6194 * lcm.c (optimize_mode_switching): Emit mode_set before the
6195 JUMP_INSN of an abnormal edge.
6197 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6199 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6200 a scheduling barrier at the end.
6202 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6204 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6206 * config/sh/sh.md (reload_outsf): Removed.
6207 (movsf_ie): Introduce constraints for FPUL loads and stores.
6208 (reload_insf): Broaden the output constraint.
6210 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6212 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6213 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6215 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6217 * final.c: Revert my previous changes.
6218 * output.h: Make profile_label_no extern.
6219 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6220 for generating label.
6222 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6224 * config/i386/djgpp.h: Add comments about standard paths.
6225 (MD_EXEC_PREFIX): Undefine before defining.
6226 (MD_STARTFILE_PREFIX): New.
6228 2001-01-30 Bruce Korb <bkorb@gnu.org>
6230 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6231 (load_file): do not rely on load_file_data() to close file pointer
6232 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6233 fixinc/inclhack.def(irix_limits_const): add test_text
6235 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6237 * cppexp.c (parse_defined): Improve diagnostics for invalid
6240 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6242 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6244 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6246 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6247 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6248 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6249 (rs6000_output_symbol_ref): New function.
6250 (output_toc): Use VTABLE_NAME_P.
6252 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6254 * print-tree.c (print_node, case PARM_DECL):
6255 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6257 * stor-layout.c (reference_types_internal): New variable.
6258 (internal_reference_types): New function.
6259 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6260 * tree.h (internal_reference_types): New declaration.
6262 * cse.c (find_best_addr): Fix typo in computing cost.
6264 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6266 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6267 and this is the sum of a pointer and a constant, we know the result
6269 (num_sign_bit_copies, case PLUS): Likewise.
6270 * explow.c (convert_memory_address): Remove opposite SUBREG.
6271 * function.c (instantiate_new_reg): New function (from common code).
6272 (instantiate_virtual_regs_1): Call it.
6273 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6274 if pointers sign- or zero-extend.
6275 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6276 If pointers extend unsigned, use inside of SUBREG.
6277 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6279 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6281 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6282 subdir of gcc_gxx_include_dir.
6283 (gcc_gxx_target_include_dir): Remove.
6285 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6287 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6288 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6289 a high-level description.
6291 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6293 * final.c: Move the declaration of profile_label_no to ...
6294 * output.h: ... here.
6295 * function.c (expand_function_start): Call PROFILE_HOOK.
6296 * config/rs6000/aix.h: Define PROFILE_HOOK.
6297 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6298 * config/rs6000/rs6000.c (output_profile_hook): Define.
6299 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6300 output_profile_hook.
6301 tm.texi : Explain new macro PROFILE_HOOK.
6303 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6305 * extend.texi (Extended Asm): Do not say that semicolon is always
6306 a valid line-breaking character for GNU assemblers. Use
6307 newline-tab as the most commonly supported syntax. Use
6308 newline-tab rather than semicolon in multi-insn examples.
6310 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6312 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6314 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6315 David Edelsohn <edelsohn@gnu.org>
6317 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6318 code for AIX, even without flag_pic.
6320 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6322 * c-typeck.c (common_type): push and pop binding level around
6323 calling common_type on function parameters.
6325 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6327 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6329 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6331 * config/mips/mips.c (override_options): Fix typo in last change.
6332 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6333 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6335 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6337 * invoke.texi (-fdump-class-layout): Document.
6338 (-fdump-translation-unit): Use `=' as filename separator.
6340 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6342 * Makefile.in (s-mlib): Don't build multilibs if
6344 (DRIVER_DEFINES): Adjust accordingly.
6346 (protoize.o): Likewise.
6347 (unprotoize.o): Likewise.
6348 * configure.in: Recognize --enable-multilib.
6350 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6352 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6354 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6355 * configure.in: Remove --enable-libstdcxx_v3 support.
6356 * configure: Regenerated.
6358 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6360 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6361 Call abort instead of fatal.
6362 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6363 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6364 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6365 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6366 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6367 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6369 * diagnostic.h (set_internal_error_function): Renamed.
6370 * toplev.h (internal_error): Renamed from fatal.
6371 (pfatal_with_name): Deleted.
6372 (fatal_io_error): Now has printf-style arguments.
6373 * diagnostic.c (pfatal_with_name): Deleted.
6374 (fatal_io_error): Rework to have args in printf-style.
6375 (set_internal_error_function): Renamed from set_fatal_function.
6376 (internal_error): Renamed from fatal.
6377 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6378 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6379 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6380 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6381 * flow.c (verify_flow_info): Likewise.
6382 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6383 * config/mips/mips.c (save_restore_insns): Likewise.
6385 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6386 * flow.c (verify_flow_info): Likewise.
6387 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6388 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6389 (avr_normalize_condition): Likewise.
6390 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6391 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6392 (limit_reload_class, double_reg_to_memory): Likewise.
6393 (print_operand_address, emit_1600_code_shift): Likewise.
6394 (gen_tst_reg, gen_compare_reg): Likewise.
6395 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6396 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6398 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6400 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6401 * objc/objc-act.c (build_ivar_chain): Likewise.
6402 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6404 * graph.c (clean_graph_dump_file): Likewise.
6405 * profile.c (init_branch_prob): Likewise.
6406 * objc/objc-act.c (objc_init): Likewise.
6408 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6409 * config/avr/avr.c (avr_override_options): Likewise.
6410 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6411 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6412 * config/h8300/h8300.c (h8300_init_once): Likewise.
6413 * config/mips/mips.c (override_options): Likewise.
6414 * config/i386/i386.c (override_options): Likewise, rework.
6415 * config/m68k/m68k.c (override_options): Likewise.
6417 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6419 * config/mips/mips.c (print_operand): Likewise.
6420 * hash.c (hash_allocate): Don't check for failure returns from
6421 obstack functions that can't fail.
6422 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6423 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6424 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6425 (get_object_reference): Likewise.
6427 2001-02-04 Nick Clifton <nickc@redhat.com>
6429 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6430 StrongARM1110, 10TDMI, and 1020T.
6432 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6434 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6436 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6438 * config/sh/sh.md (movdf load split): Pass register number to
6439 FP_OR_XD_REGISTER_P.
6441 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6443 * cppinit.c (BC): New macro.
6444 (builtin_array): Add __GXX_WEAK__.
6445 * cpplib.h (builtin_type): Add BT_WEAK.
6446 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6447 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6448 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6450 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6452 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6454 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6456 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6457 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6459 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6461 * cpphash.h: Rename ALIGN _ALIGN.
6462 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6464 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6466 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6467 compilation environment.
6468 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6469 control over location of cygwin includes and libs.
6471 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6473 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6475 2001-02-02 lars brinkhoff <lars@nocrew.org>
6477 * md.texi (Standard Names): remove reference to spur.md.
6479 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6481 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6482 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6483 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6484 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6485 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6487 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6489 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6490 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6491 number before reload.
6492 (c4x_adjust_cost): Return zero before reload.
6493 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6494 split before reload.
6496 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6498 * c4x.c (c4x_hard_regno_rename_ok): New.
6499 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6500 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6502 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6504 * diagnostic.h: Add missing "extern" in all declarations.
6506 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6508 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6509 as for gcc_gxx_include_dir.
6511 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6513 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6515 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6517 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6518 label before alignment to be used as the braf base address.
6519 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6521 (casesi_jump_2): Require at least TARGET_SH2.
6523 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6524 truncation to 32-bit doubles on -m3e and -m4-single-only.
6526 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6528 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6529 the default when building a shared object.
6530 (init_spec): Use it.
6531 * testsuite/lib/g++.exp: Include the directory where libgcc
6532 is located to the LD_LIBRARY_PATH list.
6533 * invoke.texi (-shared-libgcc): Document the cases in which
6534 GCC defaults to using the shared libgcc.
6536 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6538 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6539 unsigned is wide enough.
6541 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6542 (si_to_float): Likewise.
6543 (float_to_si, float_to_usi): Use BITS_PER_SI.
6545 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6547 * dwarf2out.c: Added explanation of abbreviations.
6548 (def_cfa_1): Added comments listing DWARF2 instructions.
6549 (cfa_temp_reg): Removed in favor of cfa_temp.
6550 (cfa_temp_value): Removed in favor of cfa_temp.
6551 (cfa_temp): New global variable.
6552 (dwarf2out_frame_debug_expr): Added extensive introductory
6553 comments explaining the function's transformations. Revised to
6554 use cfa_temp. Added some rtx checking. Generalize IOR case.
6555 (dwarf2out_frame_debug): Revised to use cfa_temp.
6556 (output_aranges): Cast as "unsigned" to avoid warning.
6557 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6558 explain which instructions must be marked.
6560 2001-02-01 Richard Henderson <rth@redhat.com>
6562 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6565 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6567 * config/sh/crt1.asm (main_k): Modified so that start calls
6568 ___setup_argv_and_call_main.
6570 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6572 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6573 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6574 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6575 * cppmacro.c (builtin_macro): Set builtin flags here.
6576 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6577 (replace_args): Clarify intent.
6578 (cpp_get_token): Macro expansion tokens get the saved flags.
6580 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6583 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6585 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6588 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6590 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6591 returns Pmode pseudo, but we need ptr_mode.
6592 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6593 Remove bogus conversions; use HOST_WIDE_INT for size.
6594 Don't use TARGET if wrong mode.
6596 * config/i386/i386.c (ix86_compute_frame_size): Allow
6597 stack_alignment_needed to be non-default even if size is zero.
6599 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6601 * pa.c (hppa_init_pic_save): New function.
6602 * pa.h (hppa_init_pic_save): Declare.
6603 * pa.md (call, call_value, sibcall, sibcall_value): Use
6604 the above instead of duplicated code.
6606 * pa.c (hppa_encode_label): Correct size of alloca buffer
6607 so we don't overrun it. Correct leading `*' case.
6608 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6609 need to handle `*@'.
6610 (FUNCTION_NAME_P): Likewise.
6612 2001-01-31 Richard Henderson <rth@redhat.com>
6614 * config.gcc (alpha-osf5): Use float-i128.h.
6616 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6617 * config/float-i32.h: Likewise.
6618 * config/float-i64.h: Likewise.
6619 * config/float-sh.h: Likewise.
6620 * config/float-sparc.h: Likewise.
6622 2001-01-31 DJ Delorie <dj@redhat.com>
6624 * expmed.c (extract_bit_field): allow non-integral modes if we
6625 want to extract a whole register from itself.
6627 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6629 * c-typeck.c (set_init_index): If first is equal to last, assume as
6630 if it was not a range at all.
6632 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6634 * config/fp-bit.c: Include tm.h.
6635 (float_to_si): Don't assume SImode is 32-bits wide.
6636 (float_to_usi): Likewise.
6638 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6640 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6642 (typename): Call pending_xref_error after parsing typed_typespecs.
6643 * c-decl.c (lookup_tag): Give error immediately rather than
6644 leaving it pending if the tag of the wrong type is in the same
6646 (xref_tag): Don't pedwarn for forward declarations of enum types
6648 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6651 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6653 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6655 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6657 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6658 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6660 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6662 * cpphash.h (struct cpp_reader): New saved_flags.
6663 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6664 to avoid a paste after a pasted token.
6666 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6668 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6669 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6670 Wtype_MIN instead of LONG_MIN.
6672 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6674 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6676 * fixinc/fixincl.x: Regenerated.
6677 * fixinc/inclhack.def (irix_limits_const): New definition to
6678 convert "const" to "__const" in limits.h.
6680 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6682 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6684 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6686 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6687 when register dies in the insn.
6689 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6691 * diagnostic.c (fatal): Fix word wrap.
6693 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6695 * combine.c (try_combine): Fix SUBREG setting for
6696 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6698 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6700 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6703 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6705 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6707 * toplev.c (decode_W_option): Update warn_larger_than
6708 unconditionally for each processed switch.
6710 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6712 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6714 (hppa_expand_prologue): Delete code to save pic offset table register
6715 in the function prologue.
6716 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6717 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6718 table register at the beginning of the function after the prologue.
6720 2001-01-29 lars brinkhoff <lars@nocrew.org>
6722 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6724 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6725 Jeff Law <law@redhat.com>
6727 * pa.md (return): Revise comment for trivial return.
6728 (return_internal): Non-trivial return pattern for non-PIC code.
6729 (return_internal_pic): Non-trivial return pattern for PIC code.
6730 It uses the PIC register to ensure it is restored after
6732 (epilogue): Generate appropriate return for PIC and non-PIC code.
6734 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6736 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6738 2001-01-29 DJ Delorie <dj@redhat.com>
6740 * combine.c (if_then_else_cond): Pass the correct mode to
6741 operand_subword() for constants.
6743 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6745 * config/i386/cygwin.h: Add w32api to include search. Search different
6746 directories in a cross-build environment.
6748 2001-11-29 Tim Josling <tej@melbpc.org.au>
6750 * tree.h (TYPE_STUB_DECL): Add documentation.
6752 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6754 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6755 (sdbout_field_types): Likwise. Fix use of host_integerp.
6757 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6759 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6762 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6764 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6765 to use flag_gnu_linker.
6767 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6769 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6770 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6772 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6774 * tree.c, tree.h (build_parse_node): Remove; was identical to
6776 * c-lang.c (start_cdtor), objc/objc-act.c
6777 (build_module_descriptor): Use build_nt instead of
6780 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6782 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6783 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6784 not have any upper bits set.
6786 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6788 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6790 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6792 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6794 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6796 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6797 (integer_minus_one_node): Define.
6799 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6801 * Makefile.in (bootstrap2-lean): Fix typo.
6803 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6805 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6806 : Don't set fe_value.
6807 * cpplib.h (AVOID_LPASTE): New flag.
6808 (struct cpp_hashnode): Remove fe_value.
6809 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6810 * cppmacro.c (builtin_macro): Don't set flags here.
6811 (replace_args): Set AVOID_LPASTE flag on first token of an
6812 argument, and the token following it.
6813 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6814 macro expansion, and on the token following it. Do it for
6816 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6818 2001-01-27 Richard Henderson <rth@redhat.com>
6820 * config/alpha/t-ieee: Remove multilibbing.
6821 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6823 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6825 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6827 * Makefile.in: Remove all dependencies on defaults.h.
6828 * builtins.c: Don't include defaults.h.
6829 * c-common.c: Likewise.
6830 * c-decl.c: Likewise.
6831 * c-pragma.c: Likewise.
6832 * c-typeck.c: Likewise.
6833 * combine.c: Likewise.
6835 * frame-ia64.c: Likewise.
6836 * cppexp.c: Likewise.
6837 * crtstuff.c: Likewise.
6838 * dbxout.c: Likewise.
6839 * dwarf2out.c: Likewise.
6840 * dwarfout.c: Likewise.
6841 * emit-rtl.c: Likewise.
6842 * except.c: Likewise.
6844 * final.c: Likewise.
6845 * frame-dwarf2.c: Likewise.
6846 * libgcc2.c: Likewise.
6847 * optabs.c: Likewise.
6848 * profile.c: Likewise.
6849 * sdbout.c: Likewise.
6850 * toplev.c: Likewise.
6851 * tradcif.y: Likewise.
6853 * varasm.c: Likewise.
6855 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6857 * builtins.c (expand_builtin_fputs): Use size_one_node when
6858 transforming into fwrite.
6860 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6862 * extend.texi (Attribute Syntax): New section.
6864 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6866 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6867 they didn't need fixing.
6869 2001-01-27 Janis Johnson <janis@us.ibm.com>
6871 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6873 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6874 to remove macro definitions that are duplicated from elfos.h.
6876 2001-01-27 Richard Henderson <rth@redhat.com>
6878 * config/i386/sco5gas.h: Move ...
6879 * config/usegas.h: ... here.
6880 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6882 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6884 * c-typeck.c (struct constructor_stack): Add range_stack member.
6885 (really_start_incremental_init): Clear it.
6886 (push_init_level): Save constructor_range_stack and clear it if
6887 pushing explicit braces.
6888 (pop_init_level): abort if constructor_range_stack is non-zero at
6889 explicit closing brace. Restore saved constructor_range_stack if
6892 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6894 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6895 into register was forced into memory.
6897 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6899 * Makefile.in: Remove uses of + before $(MAKE).
6901 2001-01-26 Richard Henderson <rth@redhat.com>
6903 * stmt.c (cost_table): Remove.
6904 (COST_TABLE, cost_table_initialized): New.
6905 (estimate_case_costs): Use the later instead of the former.
6906 (balance_case_nodes): Likewise.
6908 2001-01-26 Richard Henderson <rth@redhat.com>
6910 * alias.c (objects_must_conflict_p): Read-only slots may not
6911 conflict despite having the same type.
6913 2001-01-27 Michael Hayes <mhayes@redhat.com>
6915 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6917 (check_ext_dependant_givs): Initialise u_start_val and
6919 (load_mems): Make last_max_reg unsigned.
6920 (try_swap_copy_prop): Use INSN_P and initialise set.
6922 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6924 * README.AVR : Removed.
6926 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6928 * pa-64.h (text_section): Remove declaration.
6930 * pa.md (return_internal): Remove mode on PIC register use.
6932 2001-01-25 lars brinkhoff <lars@nocrew.org>
6934 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6935 ASM_CLOSE_PAREN): fix typos.
6937 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6939 * acconfig.h: Define `const' to the empty string if neither
6940 __STDC__ nor __cplusplus is defined.
6941 * config.in: Regenerated.
6943 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6945 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6946 * collect2.c (main): Delete importf. Add ".obj" file extension.
6947 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6948 (aix_std_libs): Add additional AIX libraries to skip.
6949 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6950 * config/rs6000/aix51.h: New file.
6952 2001-01-25 Michael Hayes <mhayes@redhat.com>
6954 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6955 (loop_insn_emit_before): No longer static.
6956 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6957 (loop_givs_rescan, load_mems): Likewise.
6958 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6959 (maybe_eliminate_biv_1):
6960 (move_movables): Replace emit_call_insn_before with
6961 loop_call_insn_hoist.
6962 * loop.h (loop_insn_emit_before): Add.
6963 * unroll.c (copy_loop_body): Replace emit_insn_before with
6964 loop_insn_emit_before.
6966 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6968 * diagnostic.c (fatal): Request preprocessed source.
6970 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6972 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6973 olddecl has argument types and newdecl has none, use the argument
6976 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6978 * dwarf2out.c (prefix_of): New function. Determine longest common
6979 prefix of the two arguments. The units are whole path components.
6980 (output_file_names): When adding a new directory find the one entry
6981 with the longest common prefix already in the list. Artificially
6982 generate entry if there is none for this prefix.
6983 Fix test to check whether the zeroth directory entry is used.
6985 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6987 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6988 Changed all callers. Take it into account when deciding if a
6989 previously loaded value matches.
6991 2001-01-24 Richard Henderson <rth@redhat.com>
6993 * reload.c (find_reloads_subreg_address): Fail the substitution
6994 if the resulting address is insufficiently aligned.
6996 2001-01-24 DJ Delorie <dj@redhat.com>
6998 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6999 check the original operand's mode also.
7000 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7002 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7004 * c-parse.in (cast_expr): Move compound literals from here ...
7005 (primary): ... to here. Use standard terminology "compound
7006 literal" instead of "constructor expression".
7008 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7010 * gcc.1, cpp.1: Regenerate.
7012 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7014 * calls.c (emit_library_call_value_1): Memory slot for
7015 pass-by-reference argument should have the mode of the argument,
7016 not of the pointer to it.
7018 2001-01-24 Tom Tromey <tromey@redhat.com>
7020 * gcc.texi (G++ and GCC): Mention gcj manual.
7021 (Standards): Link to section of manual mentioning gcj/Java
7024 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7026 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7027 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7028 * tradcpp.c (main): Add -imacros or -include'd dependencies
7030 * cpp.texi (-M, -MM): Document -M -include behaviour.
7032 2001-01-24 Roger Collins <roger@ProProject.com>
7034 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7036 2001-01-24 Will Cohen <wcohen@redhat.com>
7038 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7039 whether registers are 32 bits or 64 bits in size.
7041 2001-01-24 Ben Elliston <bje@redhat.com>
7043 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7045 2001-01-24 Richard Henderson <rth@redhat.com>
7047 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7048 (builtin_longjmp): Use it instead of emit_indirect_jump.
7050 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7052 * bb-reorder.c (make_reorder_chain_1): Handle case where
7053 jump edge goes to the same block as the fallthru edge.
7055 2001-01-23 Jim Wilson <wilson@redhat.com>
7057 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7058 * frame.h (__ia64_personality_v1): Add prototype.
7059 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7060 prototype form. Add void * cast to first argument to personality
7062 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7063 (asctoe113): Likewise.
7064 * config/ia64/frame-ia64.c: Include eh-common.h.
7065 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7067 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7069 (itanium_split_issue): Add prototype.
7070 (gen_nop_type): Ifdef out.
7071 (find_best_packet): Initialize best_packet.
7072 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7074 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7075 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7076 (flushrs): Add explicit stop bit at end.
7077 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7080 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7082 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7084 * libgcc2.c (__terminate_func): Make variable static.
7085 (__terminate_set_func): New function to set __terminate_func.
7086 * libgcc2.h (__terminate_func_ptr): New typedef.
7087 (__terminate_set_func): New function.
7089 2001-01-23 Richard Henderson <rth@redhat.com>
7091 * flow.c (init_propagate_block_info): Don't consider unchanging
7092 memories for dead frame store elimination.
7094 2001-01-23 Richard Henderson <rth@redhat.com>
7096 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7097 * defaults.h: ... here.
7099 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7101 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7103 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7105 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7107 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7109 * rs6000.h (rs6000_return_addr): Move prototype from here...
7110 * rs6000-protos.h (rs6000_return_addr): ...to here.
7111 (rs6000_init_expanders): Delete prototype.
7113 2001-01-23 Nick Clifton <nickc@redhat.com>
7115 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7116 (Spec Files): Document %B and %j and %. and %v3 and %M and
7117 %{S*&T} spec switches.
7119 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7121 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7123 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7124 Neil Booth <neil@daikokuya.demon.co.uk>
7126 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7127 Have -Werror make pedantic warnings errors, like the
7130 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7132 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7134 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7136 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7137 * integrate.c (expand_inline_function): Initialize them.
7138 (subst_constants): If changing COMPARE so that both its arguments
7139 will be VOIDmode and the comparison mode will be lost, note
7140 compare_mode. Use the recorded compare_mode to optimize
7143 2001-01-23 Jason Merrill <jason@redhat.com>
7145 * dwarf2out.c (new_die): Use xcalloc.
7146 (output_die): Abort rather than emit a local reference to offset 0.
7148 2001-01-17 Andrew Haley <aph@redhat.com>
7150 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7151 of a saved register; return NULL instead.
7152 (copy_reg): Take a pointer to a source register rather than a
7154 (next_stack_level): Remember the address in the stack frame of all
7156 Use the saved register pointer array as the source of the CFA.
7157 (throw_helper): Rewrite. Unwind once rather than twice and keep
7158 track of saved registers as we go.
7160 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7162 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7163 * c4x.c (c4x_legitimize_reload_address): Remove.
7164 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7165 reload address for ldp(k) insn.
7167 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7169 * pa.md (return_internal): Add a USE of the PIC register to ensure
7170 it is restored after each call.
7171 (return expander): Corresponding changes.
7173 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7175 * rs6000.h (INIT_EXPANDERS): Delete.
7176 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7177 * rs6000.c (rs6000_override_options): Call *_machine_status from
7179 (rs6000_init_expanders): ...instead of here. Delete.
7180 (rs6000_mark_machine_status): New function.
7181 (rs6000_init_machine_status): Use xcalloc.
7182 (rs6000_return_addr): Generate RTX for the return address.
7183 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7184 (rs6000_stack_info): Use it.
7186 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7188 * gthr-win32.h: Include errno.h to get a declaration for
7189 EINVAL and _mingw.h if the target is mingw32.
7191 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7193 * cpp.texi: Correct typos.
7195 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7197 * explow.c (probe_stack_range): Ensure value passed to
7198 stack_check_libfunc is ptr_mode, not Pmode.
7200 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7202 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7203 case, don't use operand_subword to calculate a SUBREG that is
7206 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7208 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7210 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7211 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7212 valid. If not replace it by equivalent insns.
7214 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7216 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7217 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7218 (c4x_U_constraint, symbolic_address_operand): Likewise.
7219 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7221 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7222 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7223 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7224 anulling slot because of silicon bug.
7225 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7227 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7229 * cppexp.c (parse_charconst): Change `mask' type to agree
7232 2001-01-21 Richard Henderson <rth@redhat.com>
7234 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7235 pic_label_name in a linkonce section.
7237 2001-01-17 Philipp Thomas <pthomas@suse.de>
7239 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7241 * configure: Regenerate.
7243 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7245 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7246 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7248 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7250 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7251 If REVERSE nonzero then condition code in X must be reversed.
7252 (encode_section_info): Optimise if/else.
7253 (avr_function_value): Fix formatting.
7255 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7256 (difficult_branch): Likewise.
7257 (rvbranch): Likewise.
7258 (difficult_rvbranch): Likewise.
7260 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7262 * config/avr/libgcc.S: Fix comment.
7264 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7266 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7268 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7270 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7272 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7274 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7275 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7276 * configure, config.in: Regenerate.
7277 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7278 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7279 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7280 (doprint.o): New rule.
7282 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7284 * c-typeck.c (digest_init): Handle boolean types as scalars.
7286 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7288 * stmt.c (expand_return): Don't return anything if size is zero.
7289 Delete redundant assignment to BYTES.
7290 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7292 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7294 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7295 the same as the default library function names.
7296 * config/avr/avr.md: Document special characters after '%'.
7297 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7298 knowing which of the call-used registers are really clobbered.
7299 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7300 New. Both quotient and remainder from one libgcc.S call.
7301 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7302 clobber as few registers as possible.
7303 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7305 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7307 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7308 context of the top of the stack.
7310 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7312 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7313 (fixup_var_refs_insns): ...here.
7315 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7317 * function.c (fixup_var_refs_insns): Break up into
7318 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7319 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7320 [loop over hash table entries].
7321 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7322 fixup_var_refs_insns_with_hash, to match above changes.
7324 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7326 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7327 (libgcc.a): Likewise.
7328 (stmp-multilib): Likewise.
7329 (STAGE2_FLAGS_TO_PASS): Likewise.
7331 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7333 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7334 temporary if no_new_pseudos.
7336 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7338 * cppinternals.texi: Update.
7340 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7342 * arm.c (arm_init_builtins): Re-enable builtins.
7344 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7346 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7347 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7348 element to be null, and always expect an EXPR_LIST.
7349 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7350 * sched-deps.c (sched_analyze_1): Likewise.
7351 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7353 * regclass.c (max_set_parallel): New variable.
7354 (reg_scan): Take it into account in computation of max_parallel.
7355 (reg_scan_mark_refs, case SET): Compute it.
7357 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7359 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7360 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7362 2001-01-19 Jason Merrill <jason@redhat.com>
7364 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7365 for the abstract instance of an inline function.
7367 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7368 J"orn Rennecke <amylaar@redhat.com>
7370 * reload1.c (move2add_note_store): Treat all registers directly or
7371 indirectly derived from a base register as members of the same set
7373 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7374 of base register into account.
7376 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7378 * alias.c (find_base_value): Recognize TRUNCATE.
7379 (record_set): In PLUS case, invalidate if other summand is also a
7382 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7384 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7385 entry to be EXPR_LIST.
7386 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7387 be an EXPR_LIST (but not null, which other code doesn't allow).
7388 (note_stores): Properly handle PARALLEL in SET.
7389 Recursively call for top-level PARALLEL.
7390 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7391 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7393 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7395 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7397 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7398 not pfile->skipping (== 0).
7400 2001-01-17 Nick Clifton <nickc@redhat.com>
7402 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7405 2001-01-17 Jim Wilson <wilson@redhat.com>
7407 * invoke.texi (IA-64 options): Improve.
7409 2001-01-17 Tom Tromey <tromey@redhat.com>
7411 * invoke.texi (Optimize Options): Use `{}' to around @samp
7414 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7416 * invoke.texi (-fno-guess-branch-probability): New option.
7418 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7420 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7421 case of making new double-word constant.
7422 Revert last change: instead just test i3_subst_into_i2.
7424 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7426 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7427 Use q constraints instead of r.
7429 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7431 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7432 (machine_function): Define.
7433 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7434 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7435 pa_free_machine_status): New functions.
7436 (override_options): Set {init,mark,free}_machine_status to above.
7437 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7438 PIC_OFFSET_TABLE_REGNUM_SAVED.
7439 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7440 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7441 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7442 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7443 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7445 2001-01-15 DJ Delorie <dj@redhat.com>
7447 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7451 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7453 * flow.c (propagate_on_insn): Make trying to delete a prologue
7454 or epilogue insn an ICE, not a warning. Allow doing this if
7455 the current function returns with stack pointer depressed.
7457 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7458 I3 having more than one SET.
7460 2001-01-16 Jim Wilson <wilson@redhat.com>
7462 * invoke.texi: Document IA-64 options.
7464 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7465 (fixup_errata): Delete TARGET_A_STEP use.
7466 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7467 (TARGET_SWITCHES): Delete -ma-step option.
7468 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7469 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7470 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7471 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7472 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7473 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7475 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7476 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7477 cmovsi_internal): Delete ! TARGET_A_STEP check.
7479 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7481 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7482 possibility to report bugs via postal mail. Change a URL and
7483 merge in a nearly duplicate statement...
7484 (Bug Reporting): ...from here.
7485 (Service): Refer to the Bug Reporting section instead of
7487 (Contributing): Remove trivial explanations concerning snapshots.
7489 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7491 * cppmain.c (general_init): Don't use ANSI prototype.
7493 2001-01-16 Tom Tromey <tromey@redhat.com>
7495 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7497 2001-01-16 Richard Henderson <rth@redhat.com>
7499 * config/i386/i386.h: Fix comment typo.
7500 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7501 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7503 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7505 * gcc.c: Revert previous -fsyntax-only-related change; move
7508 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7510 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7511 inmode after checking GET_CODE (op).
7513 2001-01-16 Richard Henderson <rth@redhat.com>
7515 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7516 (MAX_MEM_SET_LIST_LEN): New.
7517 (propagate_one_insn): Update mem_set_list_len.
7518 (invalidate_mems_from_autoinc): Likewise.
7519 (invalidate_mems_from_set): Likewise.
7520 (mark_used_regs): Likewise.
7521 (init_propagate_block_info): Likewise. Stop collecting memories
7522 when we reach MAX_MEM_SET_LIST_LEN.
7523 (mark_set_1): Likewise.
7525 2001-01-16 Richard Henderson <rth@redhat.com>
7527 * unroll.c (precondition_loop_p): Fail if no iteration
7530 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7532 * gcc.c: When -fsyntax-only is given, do not complain about
7535 2001-01-15 Richard Henderson <rth@redhat.com>
7537 * config/i386/i386.c (asm_output_function_prefix): Remove.
7538 (ix86_asm_file_end): New.
7539 (load_pic_register): Generate pic_label_name into a
7540 staticly allocated buffer.
7541 * config/i386/i386-protos.h: Update.
7542 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7543 (ASM_FILE_END): New.
7544 * config/i386/i386afe.h: New file.
7545 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7546 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7547 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7548 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7549 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7550 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7551 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7553 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7555 * Makefile.in (install-man): Remove explicit dependency on
7558 * configure.in, configure: Revert previous patch requiring perl
7561 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7563 * toplev.c (flag_guess_branch_prob): New.
7564 (f_options): Add guess-branch-probability option.
7565 (rest_of_decl_compilation): Only estimate branch probability if
7567 (main): set flag_guess_branch_prob.
7569 * flags.h (flag_guess_branch_prob): New.
7571 2001-01-15 DJ Delorie <dj@redhat.com>
7573 * gcc.texi (Makefile): Add documentation for Makefile targets.
7575 2001-01-15 Philip Blundell <philb@gnu.org>
7577 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7579 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7580 (is_pic): Delete declaration.
7581 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7582 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7583 * config/arm/arm.md (builtin_setjmp_receiver): New.
7585 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7587 * arm.c (use_return_insn): Don't try to determine the function type
7588 until after reload has completed.
7589 (arm_output_epilogue): Don't adjust the sp value recovered from the
7591 (emit_multi_reg_push): Don't record dwarf information for the pc.
7592 * arm.md (eh_epilogue): The function type may have changed, so it
7593 needs to be recalculated.
7594 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7595 unwind tables on arm/netbsd.
7597 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7599 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7600 (negated_cbranchsi4): Likewise.
7602 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7604 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7605 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7606 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7607 pass -mapcs-* options to assembler.
7608 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7609 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7610 (ASM_SPEC): Call subtarget_extra_asm_spec.
7612 2001-01-15 Andreas Jaeger <aj@suse.de>
7614 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7616 (ix86_expand_builtin): Likewise.
7618 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7619 warning about comparison between signed and unsigned.
7621 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7623 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7625 2001-01-14 Ralf Baechle <ralf@gnu.org>
7627 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7628 SUBTARGET_CPP_SPEC apropriatly.
7630 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7632 * varasm.c (make_decl_rtl): Fix typo in last change.
7634 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7636 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7637 linker supports the init_priority C++ attribute.
7638 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7639 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7640 linker does not support init_priority C++ attribute.
7642 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7644 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7646 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7648 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7649 * cp/lex.c (finish_parse): Similarly.
7650 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7651 Return the number of errors encountered.
7652 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7653 * cppmain.c (main): Don't call cpp_destroy.
7655 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7657 * configure.in: Require at least perl 5.6.0 to regenerate
7659 * configure: Regenerate.
7661 2001-01-14 Richard Henderson <rth@redhat.com>
7663 * genrecog.c (DT_veclen_ge): New.
7664 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7665 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7666 (nodes_identical_1): Handle DT_veclen_ge.
7667 (write_cond, debug_decision_2): Likewise.
7669 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7671 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7673 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7675 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7677 * cppmain.c (do_preprocessing): New function; most of the old
7679 (main): Call it to do most of the work.
7680 (cb): Move from global scope to set_callbacks ().
7681 (setup_callbacks): Get the callback pointer.
7682 (general_init, printer_init): Clean up code and comments.
7684 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7686 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7689 2001-01-14 Kazu Hirata <kazu@hxi.com>
7691 * config/h8300/h8300.c (get_shift_alg): Update comments.
7693 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7695 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7696 (alloc_page, ggc_alloc): Add casts to remove warnings.
7698 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7700 * combine.c (simplify_comparison): Don't change `code' when
7701 can't reverse comparison.
7703 2001-01-14 Richard Henderson <rth@redhat.com>
7705 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7706 update all call sites. Return true for all non-label constants.
7708 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7710 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7712 (ix86_expand_branch): Update.
7713 (ix86_expand_setcc): Update to handle multiple test conditions.
7714 (expand_int_movcc): Likewise.
7715 (expand_fp_movcc): Likewise.
7716 * i386-protos.h (ix86_expand_compare): New.
7717 * i386.md (andqi_?_slp, orqi_?_slp): New.
7718 (conditional trap expander): Update call to ix86_expand_compare.
7720 2001-01-14 Richard Henderson <rth@redhat.com>
7722 * config/vax/vax.md: Use nonimmediate_operand instead of
7723 general_operand in destinations.
7725 * config/vax/vax.md (indirect_jump): Use register_operand.
7727 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7728 * config/vax/vax.md (call_pop): Turn into an expander.
7729 (call_value_pop): Likewise.
7730 (call, call_value): New.
7732 2001-01-14 Andreas Jaeger <aj@suse.de>
7734 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7736 (ix86_fp_compare_mode): Add unused attribute.
7737 (ix86_expand_fp_movcc): Remove unused variable.
7738 (ix86_expand_builtin): Make fcode unsigned.
7740 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7741 (expand_expr): Add cast to avoid signed warning.
7742 (store_field): Likewise.
7743 (store_constructor_field): Likewise.
7744 (store_constructor): Likewise.
7745 (store_expr): Likewise.
7746 (clear_storage): Likewise.
7747 (emit_group_store): Likewise.
7748 (emit_group_load): Likewise.
7750 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7752 * c-common.c: Move format checking code to ...
7753 * c-format.c: ... here. New file. Reorder some functions and
7755 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7757 * c-common.h (decl_handle_format_attribute,
7758 decl_handle_format_arg_attribute): Declare.
7759 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7760 (c-common.o): Adjust dependencies.
7761 (c-format.o): New list of dependencies.
7763 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7765 * unroll.c (loop_iterations): If we cannot prove iteration variable
7766 is set once in each iteration, punt.
7768 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7770 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7771 (*strlenhi): Remove clobber (which was buggy) of output address.
7773 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7775 * Makefile.in (generated-manpages): Add gcc.1
7776 ($(srcdir)/gcc.1): New target.
7777 (maintainer-clean): Delete $(srcdir)/gcc.1.
7778 * gcc.texi: Add macros @gccoptlist and @gol.
7779 * invoke.texi: Include option summary in manpage. Mark up option
7780 summary with @gccoptlist and @gol. Use @r in one place where
7782 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7783 * gcc.1: Generate from invoke.texi.
7785 2001-01-13 Richard Henderson <rth@redhat.com>
7787 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7788 (struct page_entry): Add group member.
7789 (struct page_group): New.
7790 (struct globals): Add page_groups member.
7791 (alloc_anon): Only define for using mmap; remove valloc call.
7792 (page_group_index): New.
7793 (set_page_group_in_use): New.
7794 (clear_page_group_in_use): New.
7795 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7796 (free_page, release_pages): Likewise.
7797 * configure.in (with-gc): Default to ggc-page always.
7799 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7801 * reload1.c (replace_pseudos_in_call_usage): Use
7802 reg_equiv_constant and reg_equiv_address, and don't try
7803 regno_reg_rtx first.
7805 2001-01-13 Richard Henderson <rth@redhat.com>
7807 * ggc-page.c (alloc_page): Round up allocation size to one page.
7808 Set e->order on extra pages.
7810 2001-01-13 Richard Henderson <rth@redhat.com>
7812 * genrecog.c (nodes_identical): Expand commentary.
7813 (write_switch): Watch out for identical nodes.
7815 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7817 * cppfiles.c (_cpp_fake_include): New function.
7818 * cpphash.h (_cpp_fake_include): New.
7819 * cpplib.c (do_line): Call _cpp_fake_include when entering
7820 header files in preprocessed input.
7821 * cppmain.c (cb_pragma_implementation): Remove handling.
7822 (setup_callbacks): Don't register pragmas.
7824 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7826 * extend.texi: Udate for CPP.
7828 2001-01-13 Andreas Jaeger <aj@suse.de>
7830 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7832 * regmove.c: Add prototype for replace_in_call_usage.
7834 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7836 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7837 struct cpp_chunk, struct htab, struct toklist,
7838 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7839 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7840 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7841 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7842 (struct macro_args): Delete.
7843 * cpphash.h: See above.
7845 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7847 * cppmain.c (struct printer): Remove no_line_dirs.
7849 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7850 : Use options rather than CPP_OPTION.
7851 (setup_callbacks): Use cb rather than pfile->cb.
7852 (main): No need to check for a buffer. Use cpp_errors.
7853 (printer_init): Don't set no_line_dirs.
7854 (maybe_print_line): Use options not no_line_dirs.
7855 (cb_file_change): Don't call print_line if -P.
7857 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7859 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7861 * c-parse.in (finish_parse): Use cpp_errors.
7862 (__yylex): Use return value of cpp_pop_buffer.
7863 * cp/lex.c (finish_parse): Use cpp_errors.
7864 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7866 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7868 * README.AVR: URLs corrected.
7870 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7872 * c-decl.c (start_function): Don't warn if old prototype is builtin
7873 that's not in C's namespace.
7874 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7875 (_bb): Add prototype for ctime.
7876 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7878 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7880 * i386.c (ix86_fp_comparison_arithmetics_cost,
7881 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7882 ix86_fp_comparison_cost): New functions.
7883 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7884 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7885 two-branch sequences; make static.
7886 (ix86_use_fcomi_compare): Do decision according to the costs.
7887 (split_fp_branch): New.
7888 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7889 * i386-protos.h (ix86_expand_fp_compare): Remove
7890 (ix86_split_fp_branch): Declare.
7892 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7893 and ix86_comparison_operator.
7895 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7898 * i386.c (put_condition_code): Output properly the unordered/ordered
7899 compares in fp case.
7900 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7902 * tm.texi (REVERSE_CONDITION): Document.
7903 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7904 in -ffast-math mode.
7905 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7907 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7909 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7911 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7914 * config/sh/sh.c (mova_p): Fix test for mova_const.
7916 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7918 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7919 cpp_get_options rather than dereferencing pfile and using
7921 * scan-decls.c (scan_decls): Use return value of
7922 cpp_pop_buffer rather than CPP_BUFFER.
7924 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7926 * cppinit.c (cpp_handle_option): help_only is now part of the
7927 cpp_options structure.
7928 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7929 cpp_set_callbacks): New functions.
7930 * cpplib.h (cpp_callbacks): Break out as a named structure.
7931 (cpp_options): Move help_only here from cpp_reader.
7932 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7933 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7934 cpp_set_callbacks): New prototypes.
7935 * cppmain.c (main): Update for help_only.
7937 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7939 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7940 Also build and remove and install and uninstall c-tree.info and
7942 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7943 ($(srcdir)/cppinternals.info): New target.
7944 * c-tree.texi: Change file name used when makeinfo used without -o
7945 from ir.info to c-tree.info. Add info directory entry.
7946 * cppinternals.texi: Add info directory entry.
7947 * .cvsignore: Update.
7949 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7951 * c-typeck.c (store_init_value): Don't require constant initializer
7952 elements with -pedantic -std=c99.
7953 (digest_init): Change error about non-constant initializer elements
7955 (constructor_range_end): Remove.
7956 (constructor_incremental, designator_depth,
7957 designator_errorneous): New variables.
7958 (struct constructor_stack): Remove range_end, add incremental.
7959 (struct constructor_range_stack, constructor_range_stack): New.
7960 (struct initializer_stack): Add constructor_range_stack.
7961 (finish_init): Set it.
7962 (start_init): Likewise. require_constant_elements for non-static
7963 trees only if not flag_isoc99.
7964 (really_start_incremental_init): Remove constructor_range_end, add
7965 constructor_incremental.
7966 (pop_init_level): Likewise.
7967 (push_init_level): Likewise. If implicit and the subobject had some
7968 value set already, preinitialize the level with it.
7969 Warn about missing braces only if not pushing due to designators.
7970 (set_designator, push_range_stack): New functions.
7971 (set_init_label): Use them.
7972 (set_init_index): Likewise. Remove constructor_range_end.
7973 Error if designator index is outside of array bounds.
7974 (add_pending_init): Compare values of purpose index trees, not the
7975 trees themselves. Allow overwriting of already initialized element.
7976 Issue a warning if it had side-effects.
7977 (set_nonincremental_init, set_nonincremental_init_from_string): New
7979 (pending_init_member): Rename to...
7980 (find_init_member): ...this function. Call set_nonincremental_init
7981 if necessary. Compare values of purpose index trees, not the trees
7982 themselves. Return the actual value, not just non-zero if something
7984 (output_init_element): Remove checks for duplicates.
7985 If field has zero size, only check the initializer for correctness.
7986 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7987 if constructor_incremental is zero. Change error about initializers
7988 not computable at load time into pedwarn.
7989 (output_pending_init_elements): Compare bit positions, not
7990 FIELD_DECLs to take into account zero-sized fields.
7991 (process_init_element): Use constructor_range_stack to fill all
7992 ranges in the designator lists from current level up.
7993 * extend.texi: Update documentation for labeled elements.
7995 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7997 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7998 to function usage for arguments passed by reference. Optimize
7999 callee-copied arguments.
8000 * regmove.c (replace_in_call_usage): New function.
8001 (fixup_match_1): Call it.
8002 * cse.c (cse_insn): Canonicalize registers in function usage.
8003 * reload1.c (replace_pseudos_in_call_usage): New function.
8006 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8009 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8011 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8014 2001-01-12 DJ Delorie <dj@redhat.com>
8016 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8017 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8020 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8022 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8023 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8024 -std options alongside references to -ansi. Update some
8025 documentation for C99.
8026 * cpp.1: Regenerate.
8028 2001-01-12 Andreas Jaeger <aj@suse.de>
8030 * haifa-sched.c (restore_line_notes): Remove argument block B
8032 * sched-ebb.c (schedule_ebb): Change caller.
8033 * sched-rgn.c (schedule_region): Likewise.
8034 * sched-int.h (restore_line_notes): Adjust prototype.
8036 * loop.h: Remove wrong declaration of doloop_condition_get.
8038 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8040 * extend.texi: Move C++-extension-related node from the C section
8041 into the C++ section.
8043 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8045 * extend.texi: Refer to an array of pointers to functions instead
8046 of one of functions.
8048 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8049 Jan Hubicka <jh@suse.cz>
8051 * combine.c (reversed_comparison): Fix typo in last patch.
8053 (combine_reversed_comparison_code): Make static to follow
8054 prototype declaration.
8056 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8058 * install.texi: Remove misplaced duplicate entry.
8060 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8062 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8064 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8066 * final.c: (leaf_function_p): Fix typo.
8068 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8070 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8071 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8073 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8074 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8075 mmap_anon, and valloc is available.
8076 * ggc-page.c: Restructure ifdef logic to match new autoconf
8077 spec. Don't throw away the test page in init_ggc.
8079 * configure, config.in: Regenerate.
8081 2001-01-12 Michael Hayes <mhayes@redhat.com>
8083 * loop.h (total_biv_increment): Constify iv_class pointer.
8084 (struct induction): Replace `mem_mode' with `mem' rtx.
8085 * unroll.c (total_biv_increment): Constify iv_class pointer.
8086 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8087 (find_mem_givs, combine_givs_p): Likewise.
8088 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8090 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8092 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8094 (__gthread_getspecific): Ditto.
8096 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8098 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8099 put_condition_code): Convert fp comparison codes to integer
8101 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8104 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8105 * i386-protos.h (no_comparison_operator): Kill.
8107 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8109 * combine.c (REVERSIBLE_CC_MODE): Remove.
8110 (reversible_comparison_p): Remove.
8111 (combine_reversed_comparison_code): New.
8112 (reversed_comparison): New.
8113 (combine_simplify_rtx): Use
8114 combine_reversed_comparison_code/reversed_comparison instead
8115 of reversible_comparison_p.
8116 (simplify_if_then_else): Likewise.
8117 (simplify_set): Likewise.
8118 (simplify_logical): Likewise.
8119 (if_then_else_cond): Likewise.
8120 (known_cond): Likewise.
8121 (simplify_comparison): Likewise.
8123 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8125 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8126 sizeof (int) is larger than sizeof(__word__).
8128 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8130 * cppinit.c (do_includes): Fix typo.
8132 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8134 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8135 in S_REGS does not occur because not all sources are possible
8136 when a S_REGS is a destination (sometimes needs a clobber).
8137 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8138 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8139 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8140 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8141 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8142 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8143 (lshrdi_const1, lshrsi3_const16): Likewise.
8144 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8145 (*movhi_68hc12, *movqi_68hc12): Likewise.
8146 (movstrictqi): Make sure reloading in D_REGS as a destination
8149 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8151 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8153 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8155 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8156 -D, -U and -A, and don't initialize the builtins.
8157 (do_includes): Error if -include or -imacros with -fpreprocessed.
8158 * cppmain.c (cb_define, cb_undef): Unconditionally process
8160 * tradcpp.c (main): Fix typo.
8162 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8164 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8165 (read_name_map): Use IS_ABSOLUTE_PATH.
8166 * tradcpp.c (get_filename): Likewise.
8168 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8170 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8171 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8172 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8173 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8174 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8175 (cmphi_z_used): Don't use '@' for the output.
8176 (tstqi_z_used): Likewise.
8177 (cmpqi_z_used): Likewise.
8178 (one_cmplsi2): Likewise.
8180 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8182 * config/sh/sh.c (barrier_align): Recognize branch around far
8183 branch and redundant insn.
8185 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8187 * invoke.texi: Restore documentation of the drivers' switches -MD
8190 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8192 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8194 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8195 check-objc//%): Support parallel testing of multilibs.
8196 (TESTSUITEDIR): Set to testsuite by default, but override for
8198 (check-gcc, check-g++, check-g77, check-objc): Enter
8201 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8203 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8204 * sched-deps.c (deps_may_trap_p): Likewise.
8205 * basic-block.h: Remove a comment.
8206 * flow.c (PROP_POSTRELOAD): Remove.
8207 (update_life_info): Don't add it to prop_flags.
8208 (mark_set_1): Lose the code that was enabled by it.
8210 2001-01-11 Michael Hayes <mhayes@redhat.com>
8212 * flow.c (flow_call_edges_add): New.
8213 * basic_block.h (flow_call_edges_add): New.
8215 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8217 * reload1.c (move2add_note_store): Update reg_set_luid even if
8218 base reg remains the same.
8220 2001-01-10 Nick Clifton <nickc@redhat.com>
8222 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8223 machine_function structure to zero.
8224 Add prototypes for machine_status functions.
8226 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8228 * c-common.h (CTI_VOID_LIST): Remove.
8229 (void_list_node): Likewise.
8230 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8231 (void_list_node): New macro.
8232 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8233 * config/i386/i386.c (ix86_init_builtins): Likewise.
8234 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8236 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8238 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8239 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8241 * tradcpp.c: Include mkdeps.h.
8242 (deps, print_deps_phony_targets, deps_append, output_deps,
8243 init_dependency_output, output_deps): New.
8244 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8245 deps_output): Delete.
8246 (print_deps_missing_files): Rename deps_missing_files.
8247 (inhibit_output): Make global.
8248 (main): Delete inhibit_output, deps_stream, deps_target.
8249 Use mkdeps functionality in the same way as cpplib. Remove
8250 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8251 -M and -MM. Remove old handling of deps via deps_out, and
8252 old reading of environment variables.
8253 (get_filename): Update to use deps_add_dep.
8255 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8257 * output.h (make_function_rtl): Remove prototype.
8258 (make_decl_rtl): Likewise.
8259 * varasm.c (make_function_rtl): Remove.
8260 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8261 than from a third parameter.
8262 * tree.h (make_decl_rtl): Remove last parameter.
8263 * c-decl.c (builtin_function): Remove last argument in call to
8264 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8265 (start_function): Likewise.
8266 * except.c (call_get_eh_context): Likewise.
8267 * expr.c (emit_block_move): Likewise.
8268 (clear_storage): Likewise.
8269 * profile.c (output_func_start_profiler): Likewise.
8270 * toplev.c (rest_of_decl_compilation): Likewise.
8271 * objc/objc-act.c (create_builtin_decl): Likewise.
8272 (synth_module_prologue): Likewise.
8273 (generate_static_reference): Likewise.
8274 (build_selector_reference_decl): Likewise.
8275 (build_class_reference_decl): Likewise.
8276 (build_objc_string_decl): Likewise.
8277 (build_protocol_reference): Likewise.
8279 2001-01-10 Richard Henderson <rth@redhat.com>
8281 * hwint.h: Revert yesterday's change.
8283 2001-01-10 Nick Clifton <nickc@redhat.com>
8285 * function.h (save_machine_status): Delete.
8286 (restore_machine_status): Delete.
8287 Amend comment describing {init|mark|free}_machine_status.
8289 * function.c (save_machine_status): Delete.
8290 (restore_machine_status): Delete.
8291 Amend comment describing {init|mark|free}_machine_status.
8292 (push_function_context_to): Remove invocation of
8293 save_machine_status.
8294 (pop_function_context_from): Remove invocation of
8295 restore_machine_status.
8297 * emit-rtl.c (init_emit_once): Amend comment describing
8298 {init|mark|free}_machine_status.
8300 * tm.texi (Per-Function Data): New node. Describe the
8301 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8304 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8306 * cppinit.c (OPT_g): Remove.
8307 (cpp_handle_option): Update for removed -g3.
8308 (print_help): Update.
8309 * cpplib.h (struct cpp_options): Remove debug_output.
8310 * cppmain.c (setup_callbacks, cb_define): Update.
8311 * gcc.c (cpp_options): Translate -g3 to -dD.
8313 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8315 * config/i960/i960.md: Change modifier to + on the zero_extract
8316 pattern after the (rotate -2 reg) canonicalization pattern.
8318 2001-01-10 Richard Henderson <rth@redhat.com>
8320 * config/alpha/alpha.c (alpha_free_machine_status): New.
8321 (override_options): Install it.
8322 (alpha_mark_machine_status): Verify machine non-null.
8323 * config/i386/i386.c (ix86_free_machine_status): New.
8324 (override_options): Install it.
8325 (ix86_init_machine_status): Use xcalloc.
8326 (ix86_mark_machine_status): Verify machine non-null.
8327 * config/ia64/ia64.c (ia64_free_machine_status): New.
8328 (ia64_override_options): Install it.
8329 (ia64_mark_machine_status): Verify machine non-null.
8331 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8333 * function.c (instantiate_virtual_regs): Instantiate virtual
8334 registers found in CALL_INSN_FUNCTION_USAGE.
8336 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8338 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8339 equivalent to -ansi in disabling -Di386.
8341 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8343 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8345 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8347 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8349 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8351 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8353 * invoke.texi: Document that -fcond-mismatch isn't supported for
8356 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8358 * gcc.texi: Define macro gcctabopt.
8359 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8360 @command, @env and @option in some places where appropriate. Use
8361 @gcctabopt where appropriate. Put URLs and email addresses inside
8364 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8366 * gcc.c (cpp_options): Set MD file name from output
8367 filename, if specified.
8368 (suffix_subst): New static variable.
8369 (do_spec): Clear it.
8370 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8372 (give_switch): Handle suffix_subst.
8374 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8376 * invoke.texi: Fix another typo.
8378 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8380 * invoke.texi: Fix typo.
8382 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8384 * c-lang.c (lang_hooks): Update.
8385 (lang_decode_option): Remove.
8386 (lang_init_options): Rename c_init_options.
8387 * toplev.c (main): Use lang_hooks for lang_init_options
8388 and lang_decode_option.
8389 * toplev.h (lang_hooks): Add 2 new hooks.
8390 * tree.h: Remove lang_init_options and lang_decode_option.
8391 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8392 * cp/decl2.c: Similarly.
8393 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8394 (lang_hooks): Update.
8395 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8397 (lang_init_options): Rename ffe_init_options.
8398 (lang_hooks): Update.
8399 (lang_decode_option): Remove.
8400 * java/lang.c (lang_init_options): Rename java_init_options.
8401 (lang_decode_option): Rename java_decode_option.
8402 (lang_hooks): Update.
8403 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8404 (lang_decode_option): Rename objc_decode_option.
8405 (lang_hooks): Update.
8407 2001-01-09 Nick Clifton <nickc@redhat.com>
8409 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8410 (d30v_return_addr_rtx): Delete.
8411 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8412 cfun->machine structure.
8413 (struct machine_function): Move to d30v.h
8414 (d30v_save_machine_status): Delete.
8415 (d30v_restore_machine_status): Delete.
8416 (d30v_init_machine_status): New Function.
8417 (d30v_mark_machine_status): New Function.
8418 (d30v_free_machine_status): New Function.
8419 (d30v_init_expanders): Use new functions.
8420 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8421 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8422 d30v_return_addr_rtx.
8424 * config/d30v/d30v.h (struct_machine): Move here.
8425 Add eh_epilogue_sp_ofs field.
8427 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8428 field in cfun->machine structure.
8430 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8432 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8433 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8434 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8436 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8438 * objc/lang-options.h: Remove bogus reference to
8441 2001-01-09 Kazu Hirata <kazu@hxi.com>
8443 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8446 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8448 * reload.c (find_reloads_address): Check for eliminable registers
8449 when substituting a constant expression for a pseudo.
8451 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8453 * c-common.c (enum format_type): Add format_type_error.
8454 (decode_format_type): New function.
8455 (decl_attributes): Use it.
8456 (format_kind_info): Adjust comment.
8458 2001-01-09 David O'Brien <obrien@BSDi.com>
8460 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8461 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8463 * config/i386/gnu.h: Don't include required platform specific .h files,
8464 tm.h will do it instead.
8465 * config/i386/i386elf.h: Likewise.
8466 * config/i386/linux.h: Likewise.
8467 * config/i386/moss.h: Likewise.
8468 * config/mips/gnu.h: Likewise.
8470 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8472 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8473 (rs6000-ibm-aix3.[01]*): Likewise.
8474 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8475 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8476 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8477 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8478 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8479 (powerpc-*-eabiaix*): Likewise.
8480 (powerpc-*-eabisim*): Likewise.
8481 (powerpc-*-elf*): Likewise.
8482 (powerpc-*-eabi*): Likewise.
8483 (powerpc-*-rtems*): Likewise.
8484 (powerpc-*-linux*libc1): Likewise.
8485 (powerpc-*-linux*): Likewise.
8486 (powerpc-wrs-vxworks*): Likewise.
8487 (powerpcle-wrs-vxworks*): Likewise.
8488 (powerpcle-*-sysv*): Likewise.
8489 (powerpcle-*-elf*): Likewise.
8490 (powerpcle-*-eabisim*): Likewise.
8491 (powerpcle-*-eabi*): Likewise.
8492 (powerpcle-*-solaris2*): Likewise.
8493 * config/rs6000/aix31.h: Delete includes.
8494 * config/rs6000/aix3newas.h: Likewise.
8495 * config/rs6000/aix41.h: Likewise.
8496 * config/rs6000/aix43.h: Likewise.
8497 * config/rs6000/beos.h: Likewise.
8498 * config/rs6000/rtems.h: Likewise.
8499 * config/rs6000/sysv4.h: Likewise.
8501 2001-01-09 Kazu Hirata <kazu@hxi.com>
8503 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8504 Change an argument mode of machine_mode to shift_mode of
8505 shift_mode. Remove an extra error check.
8506 (emit_a_shift): Adopt to the new calling prototype of
8508 (function_prologue): Fix code for a monitor
8509 function. Support H8/S.
8510 (function_epilogue): Do not output pop for a monitor function.
8512 2001-01-09 Nick Clifton <nickc@redhat.com>
8514 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8515 (setup_incoming_varargs): Use sysv_varargs_p field of the
8516 cfun->machine structure.
8517 (struct machine_function): Move to rs6000.h
8518 (rs6000_save_machine_status): Delete.
8519 (rs6000_restore_machine_status): Delete.
8520 (rs6000_init_machine_status): New Function.
8521 (rs6000_free_machine_status): New Function.
8522 (rs6000_init_expanders): Use new functions.
8524 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8526 (struct machine_function): Move here.
8528 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8529 sysv_varargs_p field of the cfun->machine structure.
8531 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8533 (rs6000_restore_machine_status): Remove prototype.
8535 2001-01-09 Richard Henderson <rth@redhat.com>
8537 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8538 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8539 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8540 (sched_analyze_2, sched_analyze_insn): Likewise.
8541 (sched_analyze, init_deps): Likewise.
8542 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8543 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8544 (compute_block_backward_dependences): Update propagate_deps call.
8546 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8548 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8550 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8552 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8553 (cpp_handle_option): Handle them.
8554 (cpp_post_options): Ensure one of -M or -MM is specified with
8555 any other -M? option.
8556 (init_dependency_output): Suppress output with -MG.
8558 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8561 * invoke.texi: Update.
8563 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8565 * sh.md (reload_outsf): Generate recognizable patterns for
8568 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8570 * c-lang.c (lang_hooks): Update.
8571 (lang_init): Rename c_init.
8572 (lang_finish): Remove.
8573 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8575 * toplev.h (lang_hooks): Add init () and finish ().
8576 * tree.h (lang_init, lang_finish): Remove.
8577 * cp/tree.h (lang_init, lang_finish): Remove.
8578 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8579 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8581 (lang_init, lang_finish): Remove.
8582 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8583 (lang_hooks): Update.
8584 * java/lang.c (lang_init): Rename java_init.
8585 (lang_finish): Remove.
8586 (lang_hooks): Update.
8587 * objc/objc-act.c (lang_init): Rename objc_init.
8588 (lang_finish): Remove.
8589 (lang_hoooks): Update.
8591 20001-01-09 Graham Stott <grahams@redhat.com>
8593 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8594 after `ptr` is initialised.
8596 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8598 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8599 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8600 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8601 stack adjusts, instead of r3.
8603 2001-01-09 Michael Hayes <mhayes@redhat.com>
8605 * flow.c (flow_loop_scan): Break out of ...
8606 (flow_loops_find) ... here.
8607 * basic-block.h (flow_loop_scan): New.
8608 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8609 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8611 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8613 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8615 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8616 realloc()ing macro_buffer.
8618 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8619 if it's wider than long and the target's long is wider than the
8622 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8624 Remove support for using UWIN as a host machine.
8625 * configure.in: Issue an error message.
8626 * configure: Regenerated.
8627 * config.gcc: Remove xm_* UWIN configury.
8628 * config/i386/xm-uwin.h: Remove.
8630 2001-01-08 Nick Clifton <nickc@redhat.com>
8632 * config/v850/v850.c (ra_rtx): Delete.
8633 (v850_save_machine_status): Delete.
8634 (v850_restore_machine_status): Delete.
8635 (v850_init_machine_status): New function.
8636 (v850_mark_machine_status): New function.
8637 (v850_free_machine_status): New function.
8638 (v850_return_addr): Use ra_rtx field in machine structure.
8639 (v850_init_expanders): Use new functions.
8641 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8642 * config/v850/v850.c: Change arguments to v850_output+* functions
8643 to take a const char *, to avoid compile time warning.
8644 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8645 (USER_LABEL_PREFIX): Redefine.
8647 2000-01-08 Jim Wilson <wilson@redhat.com>
8649 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8650 1 to unsigned HOST_WIDE_INT before left shift.
8652 2001-01-08 Nick Clifton <nickc@redhat.com>
8654 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8655 the machine structure has been allocated.
8656 (arm_free_machine_status): New function: Free the machine
8657 specific function structure.
8659 2001-01-08 Richard Henderson <rth@redhat.com>
8661 * jump.c (simplejump_p): Revert last change.
8663 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8665 * cppinit.c (init): Rename init_library.
8666 (cpp_create_reader): Update.
8667 * gcc.c (cpp_options): If -o given, use it as the target of
8670 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8672 * arm.c (arm_arch5e): New variable.
8673 (all_cores): XScale is a 5TE device.
8674 (arm_override_options): Set arm_arch5e.
8675 (arm_init_builtins): __builtin_prefetch is in arch5e.
8676 * arm.h (arm_arch5e): Declare it.
8678 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8680 * arm.md (define_constants): Add defines for UNSPEC and
8681 UNSPEC_VOLATILE insns. Update all users.
8682 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8683 * arm.c (multi_register_push, note_invalid_constants)
8684 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8685 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8686 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8688 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8690 * jump.c (jump_optimize_1): Use reversed_comparison_code
8691 instead of can_reverse_comparison_p.
8692 (jump_back_p): Likewise.
8693 (invert_exp_1): Likewise.
8694 (thread_jumps): Likewise.
8695 * simplify-rtx.c (simplify_unary_operation): Likewise.
8696 (simplify_ternary_operation): Likewise.
8697 * cse.c (find_comparison_args): Convert to use
8698 can_reverse_comparison_p.
8699 (record_jump_equiv): Likewise.
8701 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8703 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8704 (EPILOGUE_USES): Define.
8705 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8706 automatically stack the LR if it isn't live.
8708 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8710 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8713 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8715 * ggc-page.c (max_alignment): New structure.
8716 (MAX_ALIGNMENT): New macro.
8717 (init_ggc): Use it to round up the sizes in the
8718 extra_order_size_table.
8720 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8722 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8725 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8727 * builtins.def (BUILT_IN_FPRINTF): New entry.
8729 * c-common.c (c_expand_builtin_fprintf): New function.
8730 (init_function_format_info): Handle __builtin_fprintf.
8731 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8732 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8734 * c-decl.c (duplicate_decls): Adjust comment.
8736 * extend.texi (fprintf): Document new builtin.
8738 2001-01-07 Richard Henderson <rth@redhat.com>
8740 * jump.c (simplejump_p): Recognize any single_set jump
8743 2001-01-07 Richard Henderson <rth@redhat.com>
8745 * configure.in (slibdir): Accept an --with-slibdir option.
8746 Use "test" not "[" in configure. Default to $(libdir).
8748 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8750 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8751 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8752 (SHLIB_LINK): Create links for the soname.
8753 * config/mips/t-iris6: Likewise.
8754 * config/sparc/t-slibgcc: Likewise.
8755 * config/sparc/t-slibgcc-sld: Likewise.
8757 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8759 * config/i386/i386.c (constant_call_address_operand): Accept
8760 (const (plus (symbol_ref) (const_int))).
8761 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8762 constant_call_address_operand.
8764 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8766 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8767 and LONG_LONG_TYPE_SIZE > 32.
8769 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8771 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8772 the previous change.
8774 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8776 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8778 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8779 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8780 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8783 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8785 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8787 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8789 * c-lang.c (c_post_options): Call cpp_post_options.
8790 * objc/objc-act.c (objc_post_options): Similarly.
8791 * cppmain.c (main): Similarly.
8792 * fix-header.c (read_scan_file): Similarly.
8793 * cppinit.c (cpp_start_read): Move option consistency checks
8794 to cpp_post_options. Don't call init_dependency_output.
8795 If needed, add default target and main file dependency.
8796 (OPT_MD, OPT_MMD): Remove.
8798 (cpp_handle_option): Update for OPT_* changes.
8799 (cpp_post_options): New.
8800 (init_dependency_output): Command line -MF overrides environment
8801 variables. Don't set default target etc. Suppress output
8802 if dependencies are going to stdout.
8803 (print_help): Update.
8804 * cpplib.h (cpp_post_options): New.
8805 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8807 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8809 * jump.c (comparison_dominates_p): Support unordered compares.
8811 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8813 * simplify-rtx.c (simplify_relational_operation): Always simplify
8814 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8817 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8819 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8820 (nonzero_bits): Likewise.
8821 (simplify_comparison): Likewise.
8822 (num_sign_bit_copies): Likewise; return more sane value depending
8823 on STORE_FLAG_VALUE.
8824 (known_cond): Do not assume EQ to be always true for equivalent
8827 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8829 * cse.c (fold_rtx): Handle unordered comparisons.
8831 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8833 * rtlanal.c (set_of_1): New static function.
8834 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8835 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8836 reg_set_last_last_regno): Remove.
8837 (set_of): New global function.
8838 (set_of_data): New structure.
8839 (reg_set_p, reg_set_last): Revamp for set_of.
8840 * rtl.h (set_of): New.
8842 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8844 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8845 * extend.texi: Document _Exit builtin.
8847 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8849 * (initialize, initialize_builtins,
8850 initialize_dependency_output, initialize_standard_includes):
8851 Rename s/initialize/init. Update.
8852 (init_dependency_output): Move to after
8853 cpp_handle_options, the correct location temporally at least.
8854 (opt_comp): Move next to init (), its caller. Fix prototype.
8855 (init): Make "initialized" local scope.
8856 (cpp_create_reader): Always call init ().
8857 (cpp_start_read): Update.
8858 (output_deps): New function, broken out of cpp_finish.
8859 (cpp_finish): Break out output_deps.
8861 2001-01-07 Richard Henderson <rth@redhat.com>
8863 * collect2.c (COFF specific stuff): Revert 12-06 patch
8864 to prototype system functions.
8866 2001-01-07 Michael Hayes <mhayes@redhat.com>
8868 * hard-reg-set.h: Add multiple include guard.
8869 * basic-block.h (struct loop): Add `sink' field.
8870 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8871 (emit_iv_add_mult): Delete.
8872 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8873 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8874 (unroll_loop): Remove end_insert_before argument.
8875 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8876 (maybe_eliminate_biv_1): Likewise.
8877 (emit_iv_add_mult): Delete.
8878 (gen_add_mult, loop_regs_update): New.
8879 (loop_insn_emit_after, loop_insn_emit_before): New.
8880 (loop_insn_sink, loop_insn_sink_or_swim): New.
8881 (emit_iv_add_mult): Delete.
8882 (scan_loop): Set loop->sink.
8883 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8884 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8885 (maybe_eliminate_biv_1): Likewise.
8886 (maybe_eliminate_biv_1): Add basic block argument.
8887 * unroll.c (unroll_loop): Remove end_insert_before argument.
8888 (find_splittable_regs): Likewise.
8889 (find_splittable_regs): Use loop_insn_sink and its ilk.
8890 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8892 2001-01-07 Michael Hayes <mhayes@redhat.com>
8894 * loop.h (loop_insn_hoist): New prototype.
8895 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8896 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8897 (check_dbra_loop, load_mems): Likewise.
8898 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8899 (find_splittable_givs): Likewise.
8901 2001-01-07 Michael Hayes <mhayes@redhat.com>
8903 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8905 2001-01-07 Richard Henderson <rth@redhat.com>
8907 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8909 2001-01-07 Richard Henderson <rth@redhat.com>
8911 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8912 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8913 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8914 variant that handles a shared libgcc.
8915 (process_command): Always validate -{static,shared}-libgcc.
8916 (do_spec_1): New 'M' case.
8917 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8919 2001-01-07 Richard Henderson <rth@redhat.com>
8921 * Makefile.in (slibdir): New variable.
8922 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8923 (installdirs): Create slibdir.
8924 (install-libgcc, install-multilib): Defer to libgcc.mk.
8925 * configure.in (slibdir): Substitute.
8926 * mklibgcc.in (install): New target.
8928 * config/t-linux (SHLIB_LINK): Create links for the soname.
8929 (SHLIB_INSTALL): New.
8930 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8931 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8932 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8933 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8934 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8936 2001-01-07 Richard Henderson <rth@redhat.com>
8938 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8939 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8940 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8942 2001-01-07 Michael Hayes <mhayes@redhat.com>
8944 * loop.c (count_loop_regs_set): Delete.
8945 (load_mems_and_recount_loop_regs_set): Delete.
8946 (loop_regs_scan): Merge common code from count_loop_regs_set,
8947 scan_loop, and load_mems_and_recount_loop_regs_set.
8948 (scan_loop): Call load_mems directly and loop_regs_scan
8949 again if new registers created.
8951 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8953 * toplev.c (main): Call the front-end specific post_options
8954 hook if one is given.
8955 * toplev.h (struct_lang_hooks, lang_hooks): New.
8956 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8957 for the C front end.
8958 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8959 lang_hooks for the C++ front end.
8960 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8961 lang_hooks for the ObjC front end.
8962 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8963 * java/lang.c (lang_hooks): Hooks for the Java front end.
8965 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8967 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8968 for verbose DWARF[2] debugging.
8969 (cb_define, cb_undef): The new callbacks.
8970 * toplev.h (debug_define, debug_undef): Make const correct.
8971 * toplev.c (debug_define, debug_undef): Similarly. Do not
8972 perform the verbosity tests here anymore.
8974 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8976 * reload.c (subst_reloads): Take INSN argument. When
8977 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8978 * reload.h (subst_reloads): Adjust prototype.
8979 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8980 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8981 present in JUMP_INSNs and copy them to JUMP_LABEL.
8982 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8983 JUMP_INSNs and insns with REG_LABELs that are followed by
8984 JUMP_INSNs with the same REG_LABEL.
8985 * sched-rgn.c (is_cfg_nonregular): Likewise.
8986 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8988 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8990 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8992 2001-01-06 Richard Henderson <rth@redhat.com>
8994 * loop.c (scan_loop): Use xcalloc for the regs array.
8995 (load_mems_and_recount_loop_regs_set): Zero the new memory
8996 received from xrealloc.
8998 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9000 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9002 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9004 * integrate.c (copy_rtx_and_substitute): When copying
9005 an ignored return value, strip REG_FUNCTION_VALUE_P.
9007 2001-01-06 Michael Hayes <mhayes@redhat.com>
9009 * loop.c (debug_biv, debug_giv): New.
9010 (loop_biv_dump): Break out from ...
9011 (record_biv): ... here.
9012 (loop_giv_dump): Break out from ...
9013 (record_giv): ... here.
9014 (loop_bivs_check): Use print_simple_rtl.
9015 * unroll.c (loop_iterations): Use print_simple_rtl.
9017 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9019 * pa.md (return, return_internal): Modify patterns to prevent regrename
9020 mucking with the return pointer.
9022 2001-01-05 Richard Henderson <rth@redhat.com>
9024 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9026 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9028 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9029 version supplied by Matteo Frigo.
9031 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9033 * cpp.texi: Update for -MQ.
9034 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9035 (cpp_cleanup): Always free pfile->deps.
9036 (initialize_dependency_output): Don't create pfile->deps.
9037 (cpp_handle_option): Similarly.
9039 * gcc.c (cpp_options): Handle -MQ.
9040 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9041 * mkdeps.c (base_name): Remove.
9042 (deps_init): Don't allocate vector space until it's needed.
9043 (deps_free): Only free vectors if allocated.
9044 (deps_add_target, deps_add_dep): Update for initial allocation.
9045 (deps_add_default_target): Don't strip to the base_name.
9047 2001-01-05 DJ Delorie <dj@redhat.com>
9049 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9050 (INIT_EXPANDERS): Define.
9052 * config/v850/v850.c (struct machine_function): Define.
9053 (v850_save_machine_status): New function.
9054 (v850_restore_machine_status): New function.
9055 (v850_return_addr): New function.
9056 (v850_init_expanders): New function.
9058 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9059 and v850_init_expanders.
9061 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9063 * cpplib.h (struct cpp_reader): Add help_only field.
9064 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9065 (cpp_handle_option): Set pfile->help_only if we see -h,
9066 --help, -target-help, or --version. Print version string but
9067 do not set help_only if we see -v or -version. Make text
9068 printed by -v match that printed by (-)-version.
9070 * cppmain.c (main): Exit after option parsing if
9071 pfile->help_only is true.
9073 * toplev.c (independent_decode_option): Call print_version,
9074 then exit, if we see --version (but not -version).
9075 (print_version): Split lengthy message into two lines.
9077 2001-01-05 Nick Clifton <nickc@redhat.com>
9079 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9080 temporary string for initialisation before calling ggc_alloc_string.
9082 2001-01-06 Michael Hayes <mhayes@redhat.com>
9084 * rtl.h (print_simple_rtl): New.
9085 * print-rtl.c (print_simple_rtl): New.
9087 (print_rtx): Disable printing of flags and modes, etc.,
9088 if `flag_simple` nonzero.
9090 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9092 * function.c (fixup_var_refs): Use push_to_full_sequence where
9095 2001-01-05 Michael Meissner <meissner@redhat.com>
9097 * flags.h (flag_reorder_blocks): Add declaration.
9098 (flag_rename_block): Ditto.
9100 2001-01-05 DJ Delorie <dj@redhat.com>
9102 * function.c (reorder_blocks): Make sure the flags are all reset
9103 before using them to mark blocks, else a second invocation will
9104 corrupt the block chain.
9105 (reorder_blocks_0): New, resets the flags.
9107 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9109 * cse.c (find_comparison_args): Stop if the argument is known to
9112 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9114 * config/sh/sh.md (movdf): When splitting load into pair of
9115 registers, don't clobber the register used in the address too
9118 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9120 * varasm.c (mark_constant_pool): Improve initial comments.
9121 (mark_constants): Move marking of constants to mark_constant.
9122 (mark_constant): New function to recursively mark all constants
9123 referred to by a constant.
9125 2001-01-05 Catherine Moore <clm@redhat.com>
9127 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9129 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9131 * cp/lang-options.h: Bring comment in line with reality.
9132 * f/lang-options.h: Likewise.
9133 * java/lang-options.h: Likewise.
9134 * objc/lang-options.h: Likewise.
9135 * ch/lang-options.h: Likewise.
9136 * f/g77.texi: And update the manual.
9138 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9139 Denis Chertykov <denisc@overta.ru>
9141 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9142 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9143 * config/avr/avr.md (all peepholes that request a scratch register):
9144 Call it, FAIL the peephole if not safe (in interrupt functions).
9146 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9148 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9150 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9152 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9154 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9155 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9156 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9157 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9158 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9160 * extend.texi: Document these builtins.
9162 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9164 * c-common.c (lang_get_alias_set): Say we know nothing of
9165 VECTOR_TYPE aliasing.
9167 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9169 2001-01-05 Bruce Korb <bkorb@gnu.org>
9171 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9172 their x* equivalent versions for atexit-less systems
9173 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9174 systems (or any other system any more).
9176 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9178 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9179 output operands. Use arm_hard_register_operand for operand 4.
9180 (stmsi_postinc): Similarly.
9181 (ldmsi): Use arm_hard_register_operand for opernand 2.
9183 * arm.c (arm_hard_register_operand): New function.
9184 * arm-protos.h (arm_hard_register_operand): Prototype it.
9186 * arm.h (HARD_REGNO_RENAME_OK): Define.
9188 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9190 * simplify-rtx.c (cfc_args): add "unordered" field.
9191 (check_fold_consts): Set unordered field.
9192 (simplify_relational_operation): Simplify the unordered
9195 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9198 * emit-rtl.c (try_split): Fix code to mark labels.
9199 * jump.c (mark_jump_label): Make global.
9200 * rtl.h (mark_jump_label): Declare.
9202 * predict.c (estimate_probability): Handle unordred comparisons.
9204 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9206 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9207 * cppinit.c (initialize_dependency_output): Update.
9208 (cpp_finish): Output dummy targets for -MP.
9210 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9211 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9212 * gcc.c (cpp_options): Update to handle -MP.
9213 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9214 to quote only the default target.
9215 (deps_phony_targets): Insert a preceding newline. Rename from
9216 deps_dummy_targets for consistency.
9219 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9221 * calls.c (emit_library_call_value_1): Support
9222 INIT_CUMULATIVE_LIBCALL_ARGS.
9223 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9225 2001-01-04 Richard Henderson <rth@redhat.com>
9227 * c-decl.c (finish_struct): Detect flexible array members
9228 used in an inappropriate context.
9229 * c-typeck.c (really_start_incremental_init): Special case
9230 constructor_max_index for zero length arrays.
9231 (pop_init_level): Allow initialization of flexible array
9232 members. Deprecate initialization of zero length arrays.
9233 Don't issue missing initializer warning for flexible array
9234 members or zero length arrays.
9235 (process_init_element): Don't dereference null DECL_SIZE.
9236 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9237 Don't abort for empty constructors. Use size_binop
9238 (output_constructor): Add commentary regarding zero length
9239 array futures. Abort if we try to initialize an array of
9240 unspecified length with a non-empty constructor in the middle
9243 * extend.texi (Zero Length): Update and clarify documentation
9244 on static initialization.
9246 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9248 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9249 with more than 32767 words of local storage.
9251 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9253 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9254 for 'abs', 'labs', and 'fabs'.
9255 (c4x_expand_builtin): Likewise.
9256 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9258 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9260 * config/sh/sh.md (prget, prset): New insn types.
9261 (return delay slot): Dont' allow prset.
9262 (call, sfunc delay slot): Don't allow prget.
9263 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9264 for prset and prget.
9266 2001-01-05 Michael Hayes <mhayes@redhat.com>
9268 * loop.h (struct loop_reg): New.
9269 (struct loop_regs): Change to use array of `struct loop_reg'.
9270 * loop.c: Replace assortment of varrays with single regs array.
9271 (count_one_set): Delete may_not_move array argument
9272 and use regs array instead. All caller's changed.
9273 (count_loop_regs_set): Delete may_not_move and single_usage
9274 arguments and use regs array instead. All caller's changed.
9275 (find_single_use_in_loop): Replace usage array argument with pointer
9276 to regs structure. All caller's changed.
9277 (loop_optimize): Delete `moved_once' array.
9279 2001-01-05 Michael Hayes <mhayes@redhat.com>
9281 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9282 Use it instead of loop_info->has_call for scanning loop mems.
9283 (check_dbra_loop): Replace loop_info->has_call test with
9284 loop_info->has_nonconst_call.
9286 2000-01-04 Matthew Hiller <hiller@redhat.com>
9288 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9291 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9293 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9294 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9296 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9298 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9299 (flag_short_double, flag_short_wchar): Define.
9300 (c_common_nodes_and_builtins): Create many tree nodes shared
9301 between C and C++ here instead of in cp/decl.c and ...
9302 * c-decl.c (init_decl_processing): ... here.
9303 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9304 (flag_short_double, flag_short_wchar): Don't define.
9305 (record_builtin_type): New function.
9306 (build_void_list_node): New function.
9307 * c-common.h (flag_short_double, flag_short_wchar,
9308 record_builtin_type, build_void_list_node): Declare.
9310 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9312 * integrate.c (expand_inline_function): Don't put a virtual
9313 register into the reg map.
9315 * function.c (fixup_var_refs_1): If force_operand didn't put
9316 the address into the target, move it there.
9318 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9320 Special-case tree_decl/tree_list allocations.
9321 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9322 (OBJECT_SIZE): New macro.
9323 (NUM_EXTRA_ORDER): Likewise.
9324 (extra_order_size_table): New variable.
9325 (NUM_ORDERS): New macro.
9326 (objects_per_page_table): New variable.
9327 (object_size_table): New variable.
9328 (G.pages): Use NUM_ORDERS to bound the array.
9329 (G.page_tails): Likewise.
9330 (DIV_ROUND_UP): Remove.
9331 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9332 (alloc_page): Use OBJECT_SIZE.
9333 (size_lookup): Don't make it const.
9334 (ggc_alloc): Use OBJECT_SIZE.
9335 (ggc_set_mark): Likewise.
9336 (ggc_get_size): Likewise.
9337 (init_ggc): Set up the object_size_table, objects_per_page_table,
9338 and adjust size_lookup.
9339 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9340 (ggc_pop_context): Use NUM_ORDERS.
9341 (clear_marks): Likewise.
9342 (sweep_pages): Likewise.
9343 (poison_pages): Likewise.
9344 (ggc_print_statistics): Use OBJECT_SIZE.
9346 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9348 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9349 Only call array_size_for_constructor if last field and array type
9350 with no upper bound.
9352 2001-01-04 Philip Blundell <philb@gnu.org>
9354 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9355 from bit 31 downwards, if this requires no more insns.
9356 (count_insns_for_constant): New helper function for above.
9358 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9360 * gencodes.c (output_predicate_decls): Remove empty initializer.
9362 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9364 * tree.c (copy_node): Remove documentation about obstacks.
9365 (buidl1): Check that nobody tries to build 2-argument nodes this
9368 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9370 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9373 * gencodes.c (output_predicate_decls): Fill empty initializer
9376 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9378 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9379 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9381 (do_include): Handle missing headers like cpp0.
9382 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9383 paths with first include pathname. Don't strcat to uninitialized
9386 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9388 * regrename.c (regrename_optimize): Don't rename from frame pointer
9389 if frame_pointer_needed.
9390 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9391 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9392 (ia64_reorg): Use it instead of scheduling if ! optimize.
9393 (errata_emit_nops): Properly call asm_noperands.
9394 (ia64_sched_reorder): Finish cycle if we see an asm.
9395 (ia64_variable_issue): Clear scheduling state after asms.
9397 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9399 * cpp.texi: Update for -MT.
9400 * cppinit.c (initialize_dependency_output): Add a default
9401 target if none has been given already.
9402 (no_tgt, OPT_MT): New.
9403 (cpp_handle_option): Handle -MT. Update -M etc.
9404 * cpplib.h (struct cpp_options): Remove deps_target.
9405 * gcc.c (cpp_options): Handle -MT.
9406 * mkdeps.c (struct deps): Move from mkdeps.h.
9407 (deps_calc_target): Rename deps_add_default_target. Add a
9408 default target if none has been specified already.
9409 * mkdeps.h (struct deps): Move to mkdeps.c.
9410 (deps_calc_target): Rename deps_add_default_target.
9412 2000-01-03 Richard Henderson <rth@redhat.com>
9414 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9416 * c-typeck.c (push_init_level): Move checks for flexible array
9417 members and zero length arrays ...
9418 (pop_init_level): ... here. Silently discard empty initializations.
9420 * varasm.c (output_constructor): Update for sizeof change to
9423 * extend.texi (Zero Length): Clarify semantics.
9425 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9427 * configure.in (tm.h): Include isns-codes.h last.
9428 * configure: Rebuilt.
9430 2001-01-03 Richard Henderson <rth@redhat.com>
9432 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9433 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9435 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9437 * tradcpp.c (main): Make sure finclude() is called with a valid
9438 indepth value while handling -include.
9440 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9442 * gencodes.c (output_predicate_decls): New function.
9444 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9445 even if it is not the first time machmode.h is #included.
9446 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9447 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9448 * gcc.texi (Copyright): Added 2001.
9450 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9452 * c-common.c (c_common_lang_init): New function. Warn if format
9453 warning options which only have effects when used with -Wformat
9454 are used without -Wformat.
9455 * c-common.h (c_common_lang_init): Declare.
9456 * c-lang.c (lang_init): Call c_common_lang_init.
9457 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9459 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9461 * configure.in: Check for the mktemp command.
9462 * configure: Regenerate.
9463 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9464 $TEMP. Create temporary files with mktemp, if available at
9465 configure time; otherwise use set -C. Remove temporary files
9468 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9470 * configure.in: Require at least texinfo 4.0. Check for whether
9471 Pod::Man is sufficiently recent to regenerate GCC manpages.
9472 * configure: Regenerate.
9473 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9475 (GENERATED_MANPAGES): Define.
9476 (generated-manpages): New target. Depend on cpp.1 as well as
9478 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9479 configure to generated-manpages or empty) rather than on the
9480 manpages directly. Remove execute permission from installed
9481 gcov.1 as well as cpp.1.
9482 * cpp.1, gcov.1: Regenerate.
9484 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9486 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9487 tree_low_cst. Allow using cmpstrsi in more cases.
9489 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9491 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9494 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9496 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9497 * Makefile.in (HOST_CFLAGS): Mention build-make.
9499 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9501 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9504 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9506 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9509 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9512 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9513 reg_base_value and reg_known_value arrays.
9514 (init_alias_analysis): Add more cases to detect known values.
9515 * sched-deps.c (deps_may_trap_p): New function.
9516 (sched_analyze_2): Use it.
9518 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9520 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9521 don't discard an ASHIFTRT if we're shifting in a wider mode.
9523 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9525 * toplev.c (rest_of_compilation): Don't print basic block information
9526 when CFG isn't up to date.
9528 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9530 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9531 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9532 (UNALIGNED_SHORT_ASM_OP): Define.
9533 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9535 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9537 * fold-const.c (fold_convert): Fix typo.
9539 2001-01-02 Richard Henderson <rth@redhat.com>
9541 * c-common.h (ASM_INPUT_P): New.
9542 * c-parse.in (asm): Set it when needed.
9543 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9544 existance of an operand.
9546 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9548 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9549 (dwarf2out_frame_debug_expr): Likewise.
9550 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9552 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9554 * i386.c (ix86_split_to_parts): Return number of part required;
9556 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9558 (ix86_split_long_move): Use number of part returned
9559 by ix86_split_to_parts
9560 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9562 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9563 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9564 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9565 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9566 (ALIGN_MODE_128): Add TFmode.
9567 (IS_STACK_MODE): Likewise.
9568 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9569 (HARD_REGNO_OK): Support TFmodes.
9570 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9571 * i386.md (scheduler definitions): Use memory operand to determine
9572 fst/fld instructions; use mode attribute to determine real mode of
9574 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9575 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9577 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9579 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9581 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9583 * expr.c (store_constructor_field): Update ALIGN before calling
9586 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9588 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9591 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9593 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9596 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9598 * c-decl.c (start_function): Don't warn on third parameter to main.
9600 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9602 * tsystem.h: Define HAVE_DECL_GETOPT.
9604 2001-01-02 Philip Blundell <pb@futuretv.com>
9606 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9609 2001-01-02 Richard Henderson <rth@redhat.com>
9611 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9613 2001-01-02 Andreas Jaeger <aj@suse.de>
9615 * c-decl.c (c_decode_option): Remove support of
9618 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9619 (W_options): Add -Wmissing-noreturn here.
9621 * flow.c: Define lang_missing_noreturn_ok_p.
9622 (check_function_return_warnings): Use it.
9624 * c-common.h: Declare lang_missing_noreturn_ok_p.
9626 * c-lang.c (c_missing_noreturn_ok_p): New function.
9627 (lang_init): Set lang_missing_noreturn_ok_p.
9629 * invoke.texi (Warning Options): Document this.
9631 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9633 * extend.texi (C++ Extensions): New node for C++ attributes;
9634 describe init_priority and com_interface.
9635 * invoke.texi: Remove -finit-priority as it now has zero effect.
9636 * install.texi: Fix xref syntax.
9637 * md.texi: Likewise.
9639 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9641 * config.gcc (sparc64-wrs-vxworks*): New case.
9642 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9644 * config/sparc/sparc.c (sparc_override_options): Do support different
9645 pointer and architecture size.
9646 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9647 (POINTERS_EXTEND_UNSIGNED): Define.
9648 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9649 (FUNCTION_MODE): Define to be Pmode.
9650 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9652 * function.c (expand_function_end): Properly handle DECL_RESULT
9653 and copy when ptr_mode != Pmode.
9654 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9656 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9658 * c-common.c (c_common_nodes_and_builtins): Set prototype
9659 parameters for __builtin_fputs, __builtin_fputc and
9660 __builtin_fwrite. Don't declare plain fputc as a builtin.
9662 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9664 * loop.c (add_label_notes): Increment the label usage count when
9665 a note is added to an insn which refers to a CODE_LABEL.
9666 * gcse.c (add_label_notes): Likewise.
9668 2001-01-01 Andreas Jaeger <aj@suse.de>
9670 * loop.c (scan_loop): Use xmalloc to allocate movables.
9672 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9674 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9675 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9676 * reload1.c (REGISTER_MOVE_COST): Likewise.
9677 * regclass.c (REGISTER_MOVE_COST): Likewise.
9678 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9679 dimension. Adjust all users.
9680 (init_reg_sets_1): Iterate on all modes.
9681 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9682 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9683 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9684 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9685 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9686 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9687 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9688 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9689 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9690 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9691 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9692 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9693 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9694 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9695 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9696 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9697 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9698 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9699 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9700 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9701 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9702 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9703 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9704 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9705 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9706 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9707 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9709 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9711 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9712 arg VARIES_P. Call it with extra arg.
9713 (true_dependence): Likewise.
9714 * rtl.h (rtx_addr_can_trap_p): Declare.
9715 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9717 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9718 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9719 pic offset table register if it's zero. All callers changed.
9720 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9722 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9724 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9725 STRING_POOL_ADDRESS_P.
9727 * config/sparc/sparc.c (input_operand): Properly test for short op.
9729 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9730 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9731 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9732 * config/sparc/elf.h: No longer include sol2.h.
9733 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9734 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9736 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9738 2001-01-01 Michael Hayes <mhayes@redhat.com>
9740 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9741 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9742 (record_initial): Likewise.
9743 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9744 (remap_split_bivs): Likewise.
9746 2001-01-01 Michael Hayes <mhayes@redhat.com>
9748 * loop.c (loop_ivs_free): New function.
9749 (strength_reduce): Break out from...
9751 2001-01-01 Michael Hayes <mhayes@redhat.com>
9753 * loop.h (struct iv): New.
9754 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9755 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9756 'reg_biv_class' fields with 'regs' and 'n_regs'.
9757 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9758 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9759 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9761 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9763 * resource.c (mark_referenced_resources): Abort() before
9764 attempting to mark a pseudo register.
9765 (mark_set_resources): Likewise.
9767 2001-01-01 Michael Hayes <mhayes@redhat.com>
9769 * loop.h (REG_IV_CLASS): New accessor macro.
9770 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9771 * unroll.c (REG_IV_CLASS): Likewise.
9773 See ChangeLog.4 for earlier changes.