1 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
4 linker if -mrelax is given.
5 (TARGET_SWITCHES): Document -mrelax.
7 Re-installed 2001-01-09's patch:
8 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9 if it's wider than long and the target's long is wider than the
12 2001-05-02 David O'Brien <obrien@FreeBSD.org>
14 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
15 directly include rs6000/rs6000.h. Instead do it in tm.h.
17 2001-05-02 Stan Shebs <shebs@apple.com>
19 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
20 NSConstantString for NeXT-style runtimes.
21 (STRING_OBJECT_GLOBAL_NAME): New macro.
22 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
23 OCTI_STRING_CLASS_DECL.
24 (constant_string_global_id): New macro.
25 (string_class_decl): Ditto.
26 (setup_string_decl): New function.
27 (build_objc_string_object): Use it to build a NeXT runtime
28 compatible string initializer.
30 2001-05-02 Jakub Jelinek <jakub@redhat.com>
32 * tradcpp.c (do_define): Make sure we don't walk past limit.
34 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
36 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
37 offsets if not REG_OK_STRICT.
39 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
40 (INT_REG_OK_FOR_INDEX_P): Likewise.
41 (INT_REG_OK_FOR_BASE_P): Likewise.
42 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
43 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
44 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
45 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
46 REG_OK_FOR_BASE_P. Take an additional parameter.
47 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
48 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
49 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
50 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
51 rs6000_legitimate_address() and use it.
52 * config/rs6000/rs6000.c: Update all callers.
53 (rs6000_legitimate_address): New function.
55 2001-05-02 David Edelsohn <edelsohn@gnu.org>
57 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
58 special_constant conditional blocks together.
60 2001-05-02 Dale Johannesen <dalej@apple.com>
62 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
64 (STRICT_ARGUMENT_NAMING): Define.
65 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
66 function_arg_partial_nregs, setup_incoming_varargs): Remove
67 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
70 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
72 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
74 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
77 * expr.c (store_field): Do nothing except elaborate side-effects if
80 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
82 * c-lex.c: NULL_PTR -> NULL.
84 * emit-rtl.c: Likewise.
86 * genpeep.c: Likewise.
88 * mips-tdump.c: Likewise.
89 * reload1.c: Likewise.
90 * rtlanal.c: Likewise.
92 * stor-layout.c: Likewise.
95 2001-05-01 Per Bothner <per@bothner.com>
97 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
98 call do_pending_stack_adjust before emiting label.
100 2001-05-01 Mark Mitchell <mark@codesourcery.com>
102 * extend.texi: Fix typo.
104 2001-05-01 Stan Shebs <shebs@apple.com>
106 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
107 of UOBJC_MODULES_decl.
108 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
109 (generate_descriptor_table): Ditto.
110 (generate_protocols): Ditto.
111 (generate_protocol_list): Ditto.
112 (generate_classref_translation_entry): Ditto.
114 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
116 * invoke.texi (Optimize Options): Add documentation for `--param
117 max-delay-slot-insn-search' and `--param
118 max-delay-slot-live-search' and reorder --param section.
119 * params.def: Modify initial comment.
120 * params.h (param_info): Add `help' member.
121 * toplev.c (lang_independent_params): Include `help' description.
122 (display_help): Print --param parameters.
124 2001-05-01 Zack Weinberg <zackw@stanford.edu>
126 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
127 Remove references to deleted files.
128 (*-*-openbsd): No need to override xmake_file.
129 (*-*-sysv4): Treat like *-*-sysv.
131 * configure.in: Probe for ldopen in various places, and set up
132 collect2 to be linked with them if found.
133 Don't dink with Windows registry stuff unless $host_os is a
134 Win32 os name. Check to see if we need -ladvapi32.
135 * configure: Regenerate.
137 * Makefile: Get rid of CLIB and HOST_CLIB.
138 Substitute in COLLECT2_LIBS and link collect2 against its contents.
139 * build-make: Get rid of HOST_CLIB.
141 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
142 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
143 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
144 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
145 config/rs6000/x-rs6000: Delete.
147 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
150 24 x-host fragments remain, 0 x-cpu, 3 top level.
152 2001-05-01 Zack Weinberg <zackw@stanford.edu>
154 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
155 * configure: Regenerate.
157 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
159 * Makefile.in (install-headers): Remove redundant dependency.
161 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
163 * c-tree.texi (USING_STMT): Document.
165 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
167 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
168 * c-common.c: Likewise.
169 * c-decl.c: Likewise.
170 * combine.c: Likewise.
171 * rs6000.c: Likewise.
172 * except.c: Likewise.
173 * explow.c: Likewise.
175 * fold-const.c: Likewise.
176 * function.c: Likewise.
179 * integrate.c: Likewise.
181 * objc/objc-act.c: Likewise.
183 * reg-stack.c: Likewise.
184 * reload.c: Likewise.
185 * reload1.c: Likewise.
186 * simplify-rtx.c: Likewise.
188 * varasm.c: Likewise.
190 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
192 * diagnostic.def: New file.
193 * diagnostic.h (diagnostic_t): New enum.
194 * Makefile.in (diagnostic.o): Depend on diagnostic.def
196 2001-04-30 Zack Weinberg <zackw@stanford.edu>
198 * tsystem.h: Test only POSIX for availability of string.h
200 * config.gcc (all systems): If USG appeared in xm_defines,
201 change it to POSIX. If both USG and POSIX appeared, just
202 delete USG. Remove unnecessary quotes around xm_defines
204 (m68k-crds-unos*): Don't #define unos - tested nowhere.
205 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
206 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
207 powerpc-*-linux*): No need to set xm_defines - handled by
208 global settings for *-*-linux*.
210 2001-04-30 Zack Weinberg <zackw@stanford.edu>
212 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
213 Always include gstab.h, not system stab.h. Don't provide
214 default definitions of N_CATCH or N_OPT. Always use the
215 gstab.h variant of STAB_CODE_TYPE.
216 * final.c: Don't include stab.h/gstab.h at all, or provide
217 defaults for N_SLINE and N_SOL.
219 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
220 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
222 * sdbout.c: Always include gsyms.h instead of system syms.h.
224 * configure.in: No need to check for stab.h.
225 * configure, config.in: Regenerate.
226 * Makefile.in (final.o): Don't depend on gstab.h.
228 2001-04-30 Mark Mitchell <mark@codesourcery.com>
229 Richard Henderson <rth@redhat.com>
231 * extend.texi: Improve documentation of volatile asms.
233 2001-04-30 Mark Mitchell <mark@codesourcery.com>
235 * c-tree.texi: Fix thinko.
236 * gcc.texi: Likewise.
238 2001-04-30 Richard Henderson <rth@redhat.com>
240 * c-common.c (c_promoting_integer_type_p): New function, from the
241 corpse of old macro. Properly promote too-small enumerations and
242 booleans. Adjust all callers.
243 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
244 (c_promoting_integer_type_p): Declare.
245 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
246 * c-typeck.c: Likewise.
247 (default_conversion): Remove now redundant boolean check.
249 2001-04-30 Jan Hubicka <jh@suse.cz>
250 Richard Henderson <rth@redhat.com>
252 * regmove.c (try_apply_stack_adjustment): Remove now redundant
254 (combine_stack_adjustments_for_block): Don't combine stack
255 allocation followed by deallocations. Handle grow-up stacks.
257 2001-04-30 Mark Mitchell <mark@codesourcery.com>
259 * fdl.texi: New file.
260 * c-tree.texi: Use the GFDL.
261 * gcc.texi: Likewise.
263 2001-04-30 Stan Shebs <shebs@apple.com>
265 * invoke.texi: Add a section documenting Objective-C options.
267 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
269 * emit-rtl.c (try_split): Copy EH notes to sequence.
271 2001-04-30 Mark Mitchell <mark@codesourcery.com>
273 * regmove.c (record_stack_memrefs): Catch all references to the
276 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
278 * Makefile.in(stmp-fixinc): quote shell assignment values
280 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
282 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
286 * prefix.c: Likewise.
288 2001-04-28 Stan Shebs <shebs@apple.com>
290 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
291 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
292 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
293 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
295 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
296 (NEXT_OBJC_RUNTIME): Define.
298 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
300 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
301 * simplify-rtx.c (simplify_gen_relational): Likewise.
303 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
305 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
306 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
308 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
309 registers in SSE case; fix handling of the immediates.
310 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
311 operands to be in regsiters before reload.
312 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
313 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
314 (abstf,absxf,negtf,negxf splitters): Compute
315 properly the regnum for x86_64.
316 (avsdf2_if_rex64): New.
318 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
320 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
321 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
322 into the constant pool.
323 * jump.c (jump_optimize_1): Remove barrier successors after all
324 the LABEL_NUSES counds have been computed.
325 (delete_barrier_successors): When deleting a tablejump insn, also
326 delete the jump table it uses.
327 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
330 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
332 * pa.c (FRP): Remove erroneous white space in macro definition.
334 2001-04-28 Andreas Jaeger <aj@suse.de>
336 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
338 * extend.texi: Likewise.
341 2001-04-28 Andreas Jaeger <aj@suse.de>
343 * md.texi: Use XX-bit instead of XXbit or XX bit where
346 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
348 * gcc.c (process_command): Allow -l lib in addition to -llib
349 for POSIX compliance. This fixes PR c/2347.
351 * invoke.texi: Update section on Link Options accordingly.
353 2001-04-27 Zack Weinberg <zackw@stanford.edu>
355 * function.c (purge_addressof_1): Remove the duplicate
356 if (code == SET) block. Fold the two if (code == ADDRESSOF)
359 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
361 * except.c (expand_eh_region_start): Don't start a new block.
362 (expand_eh_region_end): Don't end a block.
363 * stmt.c (expand_end_bindings): Don't end EH blocks.
364 (expand_decl_cleanup): Starting an EH region won't change the block.
365 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
366 (is_eh_region): Lose.
369 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
371 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
373 * collect2.c (main): Add `-L' case to remove duplicate entries.
374 (is_in_args): New function to check for a duplicate argument.
375 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
376 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
377 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
378 Define to be nonzero.
380 2001-04-27 Andreas Jaeger <aj@suse.de>
381 Richard Henderson <rth@redhat.com>
383 * md.texi (Machine Constraints): Document additional i386
384 constraints and fix description of "A".
386 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
388 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
390 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
392 * except.c (get_exception_filter): word_mode, not Pmode.
394 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
396 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
397 common to other movsf patterns. Move up so that in future
398 people who change the other patterns will change it too.
399 (movsf_lo_sum): Allow even for soft-float; add appropriate
401 (movsf_high): Likewise.
402 (movsf_high+1): Allow even for soft-float.
404 * function.c (expand_function_end): Always clobber the
405 return registers, even if there is no return label.
407 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
409 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
411 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
413 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
414 (pushqi2_rex64, pushhi2_rex64): Add.
416 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
418 * except.c (expand_eh_region_end_cleanup): Force pending stack
419 adjust before emitting label that branches around cleanup code.
421 2001-04-26 H.J. Lu (hjl@gnu.org)
423 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
425 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
427 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
428 (ASM_OUTPUT_SECTION_NAME): Likewise.
429 (ASM_WEAKEN_LABEL): Likewise.
430 (UNIQUE_SECTION): Likewise.
431 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
432 (ASM_OUTPUT_DESTRUCTOR): Likewise.
433 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
434 (ASM_OUTPUT_SECTION_NAME): Likewise.
435 (ASM_WEAKEN_LABEL): Likewise.
436 (UNIQUE_SECTION): Likewise.
437 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
438 (ASM_OUTPUT_DESTRUCTOR): Likewise.
439 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
440 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
441 (ASM_FILE_START): Likewise.
442 (ASM_OUTPUT_SOURCE_LINE): Likewise.
443 (ASM_DECLARE_OBJECT_NAME): Likewise.
444 (ASM_FILE_END): Likewise.
445 (ASM_DECLARE_FUNCTION_NAME): Likewise.
446 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
447 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
448 (ASM_OUTPUT_CASE_LABEL): Likewise.
449 (ASM_OUTPUT_SKIP): Likewise.
450 (ASM_OUTPUT_ASCII): Likewise.
451 (ASM_OUTPUT_IDENT): Likewise.
452 (READONLY_DATA_SECTION): Likewise.
453 (EXTRA_SECTIONS): Likewise.
454 (EXTRA_SECTION_FUNCTIONS): Likewise.
455 (SELECT_RTX_SECTION): Likewise.
456 (SELECT_SECTION): Likewise.
458 * config/mips/linux.h (INVOKE__main): Undefine.
459 (CTOR_LIST_BEGIN): Likewise.
460 (CTOR_LIST_END): Likewise.
461 (DTOR_LIST_BEGIN): Likewise.
462 (DTOR_LIST_END): Likewise.
463 (SET_ASM_OP): Defined it to ".dummy".
464 (ASM_OUTPUT_DEF): Defined.
465 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
467 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
469 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
470 assembler supports .p2align.
472 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
474 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
476 2001-04-26 Jakub Jelinek <jakub@redhat.com>
478 * integrate.c (expand_inline_function): Check for error_mark_node
481 2001-04-26 Jakub Jelinek <jakub@redhat.com>
483 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
486 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
488 * configure.in (configargs.h): Define thread_model.
489 * configure: Rebuilt.
490 * gcc.c (main): Print it with -v.
492 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
494 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
495 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
498 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
500 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
501 is_redundant_typedef): Use static inline instead of inline static.
503 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
505 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
506 this directory is always searched.
508 2001-04-25 Richard Henderson <rth@redhat.com>
510 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
511 of registers to restore along non eh_return path.
513 2001-04-25 Jakub Jelinek <jakub@redhat.com>
515 * c-format.c (check_format_info_recurse): Handle
516 PLUS_EXPR for format string.
518 2001-04-25 Jakub Jelinek <jakub@redhat.com>
520 * config/ia64/ia64.h (CC1_SPEC): Define.
521 * config/ia64/linux.h (CC1_SPEC): Define.
523 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
525 * emit-rtl.c (constant_subword): Also do sign extension in
526 BITS_PER_WORD == 16 case.
528 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
530 * loop.c (try_swap_copy_prop): Go back to checking insn.
532 2001-04-25 Jakub Jelinek <jakub@redhat.com>
534 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
535 if check_mode is non-zero.
537 2001-04-25 Jakub Jelinek <jakub@redhat.com>
539 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
540 out and comparison sequence has been detected, put result into
541 proper temporary pseudo.
543 2001-04-24 Zack Weinberg <zackw@stanford.edu>
545 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
546 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
547 * libgcc2.c: Remove __dummy and __builtin_saveregs.
548 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
549 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
550 for future reference.
552 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
554 * except.c (reachable_handlers): Step out one level from a RESX.
556 * except.c (struct eh_region): Rename 'last' to 'resume'.
557 (mark_eh_region, duplicate_eh_region_1): Adjust.
558 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
559 (build_post_landing_pads): Likewise.
560 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
561 (expand_eh_region_end_must_not_throw): Likewise.
562 (connect_post_landing_pads): Thread (only) regions with non-deleted
565 * except.c (expand_eh_region_end_cleanup): Save the EH return data
566 registers around the cleanup.
567 (get_exception_filter): New fn.
568 (finish_eh_generation): Use it.
570 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
572 * c-semantics.c (add_scope_stmt): Don't call
573 current_scope_stmt_stack multiple times.
575 2001-04-24 Zack Weinberg <zackw@stanford.edu>
576 Nathan Sidwell <nathan@codesourcery.com>
578 Lazy __FUNCTION__ generation.
579 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
580 RID_C99_FUNCTION_NAME): New _RIDs.
581 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
582 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
583 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
585 (function_id_node, pretty_function_id_node, func_id_node): Remove.
586 (c99_function_name_decl_node, function_name_decl_node,
587 pretty_function_name_decl_node, saved_function_name_decls):
589 (struct language_function): Remove x_function_name_declared_p.
590 (make_fname_decl): Remove a parameter.
591 (declare_function_names): Remove prototype.
592 (start_fname_decls, finish_fname_decls): Prototype.
593 (fname_as_string): Likewise.
594 (fname_string, fname_decl): Likewise.
595 * c-common.c (make_fname_decl): Adjust.
596 (struct fname_var_t): New struct.
597 (fname_vars): New static array.
598 (declare_function_name): Remove.
599 (start_fname_decls, finish_fname_decls): New functions.
600 (fname_as_string): New function from remnants of
601 declare_function_name.
602 (fname_string, fname_decl): New functions.
604 * c-decl.c (c_function_name_declared_p): Remove.
605 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
606 don't call declare_function_name. Call start_fname_decls.
607 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
608 clobber the line number. Call finish_decl.
609 (start_function): Call start_fname_decls.
610 (finish_function): Call finish_fname_decls.
611 Remove c_function_name_declared_p.
612 (push_c_function_context): Don't push c_function_name_declared_p.
613 (pop_c_function_context): Don't pop c_function_name_declared_p.
614 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
615 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
616 (program): Call finish_fname_decls for C.
617 (primary): Add VAR_FUNC_NAME.
618 (reswords): Add slots for __FUNCTION__ et al.
619 (rid_to_yy): Add mappings for __FUNCTION__ et al.
620 (yylexname): If it's a STRING_FUNC_NAME generate the function name
621 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
622 * c-semantics.c (prune_unused_decls): Remove.
623 (finish_stmt_tree): Don't call prune_unused_decls.
624 (genrtl_decl_stmt): Don't prune unused decls here.
626 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
628 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
629 constant pool, use the pool's SYMBOL_REF instead.
631 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
634 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
636 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
637 passing nested NOP_EXPRs to fold.
639 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
641 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
643 2001-04-22 Mark Mitchell <mark@codesourcery.com>
645 * loop.c (loop_delete_insns): Add prototype.
647 2001-04-23 Phil Edwards <pme@sources.redhat.com>
649 * configure.in: Remove ENABLE_STD_NAMESPACE.
650 * config.in: Regenerated.
651 * configure: Regenerated.
653 2001-04-22 Stan Shebs <shebs@apple.com>
655 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
657 * config/rs6000/xm-darwin.h: Remove file.
659 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
662 (write_c_file_stat): Likewise.
664 * dbxout.c (dbxout_init): Likewise.
666 * profile.c (output_func_start_profiler): Likewise.
668 2001-04-22 Philipp Thomas <pthomas@suse.de>
670 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
671 require it instead of the CVS version.
672 * cpperror.c (v_message): Put a blank before the macro
673 body to not confuse exgettext.
675 2001-04-21 Mark Mitchell <mark@codesourcery.com>
677 * flow.c (proagate_one_insn): Remove useless assignment.
678 * jump.c (delete_insn): Tidy.
679 * loop.c (try_copy_prop): When deleting an instruction with a
680 REG_RETVAL note, delete the entire libcall sequence.
681 (loop_delete_insns): New function.
682 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
683 we're not substituting into them yet.
685 2001-04-21 Kazu Hirata <kazu@hxi.com>
687 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
689 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
691 * config/i960/i960.c (signed_arith_operand): Likewise.
693 * calls.c (expand_call): Fix a comment typo.
695 2001-04-20 Zack Weinberg <zackw@stanford.edu>
697 * configure.in: Probe for times, clock, struct tms, and clock_t.
698 * configure, config.in: Regenerate.
699 * timevar.c: Replace ifdef forest in get_time with (relatively)
700 straightforward series of checks based on autoconf's probes.
702 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
704 * config/pa/som.h (NM_FLAGS): Define.
706 2001-04-20 Bernd Schmidt <bernds@redhat.com>
708 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
710 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
711 * ia64.c (nop_cycles_until): New function.
712 (prev_cycle, prev_first, last_issued): New static variables.
713 (ia64_sched_reorder): Additional arg for clock.
714 On final scheduling pass, emit extra NOPs as needed.
715 Set prev_first and prev_cycle.
716 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
717 (ia64_variable_issue): Set last_issued.
719 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
721 * config/i386/i386.c (ix86_expand_int_movcc,
722 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
724 2001-04-20 Geoff Keating <geoffk@redhat.com>
726 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
727 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
728 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
729 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
730 ctrdi_internal6): In the short-branch case, this insn is only 4
731 bytes long. Reported by Reza Yazdani <reza@apple.com>.
733 2001-04-20 Jakub Jelinek <jakub@redhat.com>
735 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
736 "=u" is used together with "st" resp. "st(1)" clobber.
738 2001-04-20 Jakub Jelinek <jakub@redhat.com>
740 * gcse.c (gcse_main): Fix comment typo.
741 (delete_null_pointer_check): Likewise.
742 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
743 * cse.c (cse_insn): Likewise.
744 * function.c (fixup_var_refs_insns_with_hash): The sequence is
747 2001-04-19 Zack Weinberg <zackw@stanford.edu>
749 * toplev.c: Excise all code for the undocumented -dm option.
750 (float_signal): Call signal just once, unconditionally.
752 2001-04-19 Geoff Keating <geoffk@redhat.com>
754 * fold-const.c (fold): Use first_rtl_op rather than
755 TREE_CODE_LENGTH when looping over parameters of a tree.
756 Correct strange grouping in test for evaluated SAVE_EXPR.
758 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
760 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
761 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
763 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
764 name at 32 total characters.
765 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
766 functions in named sections -- data items can still go into unique
767 sections, but they have normal names (ie $LIT$ and $DATA$).
769 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
772 2001-04-19 DJ Delorie <dj@redhat.com>
774 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
775 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
776 * config/i386/cygwin.h: Likewise.
777 * config/i386/mingw32.h: Likewise.
778 * config/vax/vms.h: Likewise.
779 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
781 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
782 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
783 * config/i386/xm-cygwin.h: Likewise.
784 * config/i386/xm-djgpp.h: Likewise.
785 * config/i386/xm-mingw32.h: Likewise.
786 * config/vax/xm-vms.h: Likewise.
788 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
789 instead of OBJECT_SUFFIX.
790 * collect2.c (find_a_file): Look for files matching the extension
791 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
792 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
793 TARGET_EXECUTABLE_SUFFIX.
794 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
795 (make_relative_prefix): Likewise.
796 (convert_filename): Use TARGET_ suffixes throughout. Remove
798 (process_command): Likewise.
799 (do_spec_1): Likewise.
800 * java/lang.c (init_parse): Likewise.
802 * gcc.texi : Document four new options matching the pattern
803 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
804 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
805 documentation for NO_AUTO_EXE_SUFFIX.
807 2001-04-19 Mark Mitchell <mark@codesourcery.com>
809 * toplev.h (struct lang_hooks): Allow decode_option to indicate
810 that language-independent processing should not be done.
811 * toplev.c (main): Adjust accordingly.
813 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
814 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
816 * mips.md (reload_outputdi): Require that operand0 be a
819 2001-04-19 Jakub Jelinek <jakub@redhat.com>
821 * invoke.texi (-Wshadow): Clarify.
823 2001-04-18 Mark Mitchell <mark@codesourcery.com>
825 * loop.c (load_mems): Examine all the instructions in the loop
826 before concluding that all jumps branch to the first instruction
829 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
831 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
833 2001-04-18 Jakub Jelinek <jakub@redhat.com>
835 * cpp.texi (-Wwhite-space): Remove.
836 (-Wall): -Wall does not imply -Wwhite-space.
838 2001-04-17 Zack Weinberg <zackw@stanford.edu>
840 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
841 use it instead of blindly generating a .stabs.
842 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
844 * xcoffout.c: Don't bother defining default for N_CATCH.
845 (UNKNOWN_STAB): Use internal_error.
846 (stab_to_sclass): Remove now-unnecessary aborts.
847 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
849 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
851 * jump.c (mark_all_labels): Canonicalize the tail recursion
852 label attached to CALL_PLACEHOLDER insns.
854 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
856 * output.h (dump_flow_info, free_basic_block_vars,
857 which_alternative): Delete redundant prototypes.
859 * rtl.h (bss_section): Likewise.
861 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
863 * dbxout.c (N_OPT): Define if not available from <stab.h>
865 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
867 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
868 libraries and native K&R compilers.
870 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * c-typeck.c (convert_arguments): Don't check for width changes
875 * invoke.texi (-Wtraditional): Update documentation.
877 2001-04-16 Zack Weinberg <zackw@stanford.edu>
879 * toplev.c (output_lang_identify): Delete.
880 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
881 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
882 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
883 after calling ASM_FILE_END.
885 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
886 Instead, unconditionally emit an N_OPT stab with string equal
887 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
889 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
891 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
892 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
893 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
894 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
895 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
896 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
897 config/i370/i370.h, config/i386/beos-elf.h,
898 config/i386/osf1elf.h, config/i386/osfrose.h,
899 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
900 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
901 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
902 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
903 config/mips/iris6.h, config/mips/osfrose.h,
904 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
905 config/sparc/sp64-elf.h:
906 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
907 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
909 * config/elfos.h, config/freebsd.h, config/linux.h,
910 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
911 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
912 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
913 of ASM_FILE_START which merely emit a .version directive. Delete
914 definitions of ASM_FILE_END which merely emit an .ident directive.
916 * config/avr/avr.h, config/vax/vax.h: Delete definition of
917 ASM_IDENTIFY_GCC and move part of its logic into
920 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
921 config/sparc/linux-aout.h: Don't emit .version directive in
924 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
925 (output_file_start): Correct comment.
927 * config/i386/osfrose.h: Don't emit trailing .ident directive.
928 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
930 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
931 * config/rs6000/aix.h: Correct comment.
933 * config/i386/i386afe.h: Delete.
934 * config.gcc: Remove references to i386afe.h.
936 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
937 other macros deleted by this patch were undocumented.
939 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
941 * pa.md (reload_outdi): Operand 0 must be a non hard register.
943 * pa.c (secondary_reload_class): SAR<->FP copies require a
946 * install.texi (mips-mips-bsd): Update list of functions
947 required to include memmove.
948 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
949 used functions to include memmove.
951 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
953 * i386.md (sqrtdf2): SFmode should be DFmode.
955 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
957 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
958 (find_moveable_store): Likewise.
960 2001-04-15 Jim Wilson <wilson@redhat.com>
962 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
964 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
966 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
967 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
969 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
971 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
974 2001-04-14 Alan Modra <amodra@one.net.au>
976 * pa.c (force_mode): New function.
977 (emit_move_sequence): Use it instead of generating new rtx_REGs.
979 2001-04-13 Jim Wilson <wilson@redhat.com>
981 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
982 (first_instruction): New static variable.
983 (rtx_needs_barrier): Return 1 for alloc.
984 (init_insn_group_barriers): Set first_instruction.
985 (rws_sum): Delete duplicate definition.
986 (group_barrier_needed_p): Return 0 when first_instruction true.
987 (safe_group_barrier_needed_p): Save and restore first_instruction
988 around group_barrier_needed_p call.
990 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
992 * expr.h (enum libfunc_index): Add LTI_memmove.
993 (memmove_libfunc): Define macro.
994 * optabs.c (init_optabs): Initialize memmove_libfunc.
995 * expr.c (expand_assignment): Use memmove_libfunc instead of
998 2001-04-13 Alan Modra <alan@linuxcare.com.au>
1000 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
1003 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1005 * Makefile.in (reg-stack.o): Depend on reload.h.
1006 (insn-attrtab.o): Depend on flags.h.
1008 * genattrtab (main): Include flags.h in insn-attrtab.c.
1010 * reg-stack.c: Include reload.h.
1012 * sparc.h (flag_pic): Delete redundant declaration.
1014 * output.h (flag_pic): Likewise.
1016 * tree.h (pedantic): Likewise.
1018 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1020 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
1022 * jump.c, regmove.c, toplev.c: Include reload.h.
1024 * reload.h (reload_cse_regs): Declare.
1026 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
1027 reload_cse_regs, init_reload, mark_home_live, reload,
1028 init_caller_save): Delete redundant prototypes.
1030 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1032 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
1034 * regclass.c, ssa.c: Include expr.h.
1036 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
1037 gen_move_insn): Delete redundant declarations.
1039 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1041 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
1042 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
1043 MAKEINFO and MAKEINFOFLAGS too.
1044 (stage4_build): Correctly order -B flags.
1046 2001-04-13 Alan Modra <amodra@one.net.au>
1048 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
1049 PIC_OFFSET_TABLE_SAVE_RTX.
1050 (zdepi_cint_p): Describe zdepi insn.
1051 Formatting and white space fixes throughout file.
1053 * pa.c (uint32_operand): Don't use long constant >= 2^32.
1054 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
1055 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
1056 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
1057 (output_64bit_and): Use plain `int's for shift counts.
1058 (output_64bit_ior): Likewise.
1059 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
1060 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
1063 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
1064 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
1065 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
1066 NEW_HP_ASSEMBLER into one. Kill warnings.
1068 * pa-gas.h: Delete file.
1069 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
1070 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
1071 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
1072 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
1074 * config/pa/mill32.S: New file.
1075 * config/pa/mill64.S: New file.
1076 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
1077 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
1078 * config/pa/t-linux64: New file.
1079 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
1080 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
1081 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
1083 * elfos.h (SELECT_SECTION): Undef before defining.
1084 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
1085 (LIB_SPEC): Remove -lmilli.
1086 (DBX_REGISTER_NUMBER): Remove.
1087 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
1088 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
1089 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
1090 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
1091 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
1092 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
1093 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
1094 TARGET_GAS): Define.
1095 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
1096 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
1097 regs if we don't have a prototype.
1098 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
1099 * pa.h (TARGET_ELF32): Default to 0 if undefined.
1100 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
1101 EH_RETURN_HANDLER_RTX): Define.
1102 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
1103 (DWARF_FRAME_REGNUM): Define.
1104 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
1105 * pa32-linux.h: New file.
1106 * pa64-linux.h: New file.
1108 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
1109 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
1110 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
1111 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
1112 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
1113 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
1114 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
1115 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
1116 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
1117 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
1118 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1119 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
1120 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
1121 * pa64-hpux.h: New file.
1122 (ASM_FILE_START): Correct typo.
1123 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1124 * config.gcc: Modify for above.
1126 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1128 * jump.c (jump_optimize_1): Don't delete dead stores here.
1129 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1130 prior to running jump optimize before cse2.
1132 2001-04-12 Richard Henderson <rth@redhat.com>
1134 * Makefile.in (regmove.o): Depend on except.h.
1135 * regmove.c: Include it.
1137 2001-04-12 Stan Shebs <shebs@apple.com>
1139 * objc/objc-act.c: Remove all code ifdefed with the never-used
1140 macro OBJC_INT_SELECTORS.
1141 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1142 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1144 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1146 * config/pa/quadlib.c: Add prototypes.
1148 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1150 * bitmap.h (debug_bitmap): Delete redundant prototype.
1152 * rtl.h (get_frame_size): Likewise.
1154 2001-04-12 Jim Wilson <wilson@redhat.com>
1156 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1157 to just emit an fnorm.
1159 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1161 * c-common.h (truthvalue_conversion, type_for_mode,
1162 type_for_size): Delete redundant declarations.
1164 * c-lex.h (is_class_name): Likewise.
1166 * c-tree.h (pedantic, convert, getdecls, gettags,
1167 global_bindings_p, init_decl_processing, insert_block,
1168 maybe_build_cleanup, poplevel, print_lang_decl,
1169 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1170 set_block, incomplete_type_error, build_function_call,
1171 lvalue_or_else, mark_addressable): Likewise.
1173 * expr.h (expand_tree_builtin): Likewise.
1175 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1177 * invoke.texi: Document --param max-gcse-memory.
1179 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1181 * configure.in (errno): Check for declaration.
1182 * configure, config.in: Regenerated.
1184 * system.h (errno): Only declare if not already done.
1186 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1188 * recog.c (general_operand, immediate_operand,
1189 nonmemory_operand): Require CONST_INTs to be sign-extended
1190 values for their modes.
1192 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1194 * expmed.c (store_bit_field): Truncate CONST_INTs.
1195 (expand_mult_highpart, expand_divmod): Likewise.
1196 * expr.c (convert_modes, store_field): Likewise.
1197 * integrate.c (expand_inline_function): Use promote_mode() to
1198 determine whether to convert_modes() an argument as signed
1200 * optabs.c (expand_binop): Get CONST_INT operands
1201 sign-extended for their appropriate modes.
1202 * stmt.c (emit_case_nodes): Convert node values to the
1204 (expand_end_case): Convert minval and range to the appropriate
1206 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1207 the iteration variable.
1208 * varasm.c (immed_double_const): Don't require words to be
1209 narrower than host wide ints to properly sign-extend
1212 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1214 * sh.md (builtin_setjmp_receiver): New expander.
1216 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1218 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1219 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1220 for generating CONST_INT and CONST_DOUBLE.
1222 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1224 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1225 already sign-extended.
1226 (rs6000_emit_prologue): Make register iterator signed.
1227 (rs6000_emit_epilogue): Likewise.
1228 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1230 (movsf split, movdf split): Sign-extend CONST_INTs.
1231 (movdi splits): Likewise.
1233 2001-04-12 Kelley Cook <kelley.cook@home.com>
1235 * config-lang.in (lang_dirs): Add in zlib.
1237 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1239 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1240 operands that make it to RTL.
1242 2001-04-11 Stan Shebs <shebs@apple.com>
1244 Add Darwin (Mac OS X kernel) native support.
1245 * config.gcc (powerpc-*-darwin*): Add native bits.
1246 * config/darwin.c: New file, generic Darwin support functions.
1247 * config/darwin.h: New file, generic Darwin definitions.
1248 * config/darwin-protos.h: New file, generic Darwin prototypes.
1249 * rs6000/darwin.h: New file, Darwin for PowerPC.
1250 * rs6000/t-darwin: New file, Darwin makefile fragment.
1251 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1252 (TARGET_MACHO): Ditto.
1253 (rs6000_abi): Add ABI_DARWIN.
1254 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1255 (RS6000_SAVE_AREA): Ditto.
1256 (FP_ARG_MAX_REG): Ditto.
1257 (RETURN_ADDRESS_OFFSET): Ditto.
1258 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1260 (rs6000_emit_move): Add ABI_DARWIN cases.
1261 (print_operand): Ditto.
1262 (first_reg_to_save): Ditto.
1263 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1264 (debug_stack_info): Ditto.
1265 (rs6000_emit_prologue): Ditto.
1266 (rs6000_emit_epilogue): Ditto.
1267 (output_profiler_hook): Ditto.
1268 (output_function_profiler): Ditto.
1269 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1270 (output_mi_thunk): Add TARGET_MACHO case.
1271 (add_compiler_stub): Ditto.
1272 (output_compiler_stub): Ditto.
1273 (no_previous_def): Ditto.
1274 (output_call): Ditto.
1275 (machopic_output_stub): Ditto.
1276 (rs6000_machopic_legitimize_pic_address): Ditto.
1277 (toc_section): Ditto.
1278 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1279 (macho_high): Ditto.
1282 (load_macho_picbase): Ditto.
1283 (call): Add TARGET_MACHO case to modify function.
1284 (call_value): Ditto.
1285 (call_nonlocal_sysv): Add ABI_DARWIN case.
1286 (call_value_nonlocal_sysv): Ditto.
1287 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1289 (machopic_output_stub): Ditto.
1290 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1292 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1294 * dwarf2out.c (modified_type_die): Don't create new types here.
1295 * tree.h (get_qualified_type): New function.
1296 (build_qualified_type): Adjust comment.
1297 * tree.c (get_qualified_type): New function.
1298 (build_qualified_type): Use it.
1300 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1302 * cpp.texi (-Wtraditional): Update description.
1304 * invoke.texi (-Wtraditional): Likewise.
1306 2001-04-11 Jim Wilson <wilson@redhat.com>
1308 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1309 requires more than 64 bits of alignment.
1311 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1313 * cpplib.c (do_line): Sanity check iff enable checking.
1315 2001-04-11 Richard Henderson <rth@redhat.com>
1317 * Makefile.in (insn-recog.o): Depend on toplev.h.
1318 (insn-emit.o, doloop.o): Likewise.
1319 * genrecog.c, genemit.c: Include toplev.h in generated file.
1320 * doloop.c: Include toplev.h.
1322 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1324 * Makefile.in (gcse.o): Depend on params.h.
1325 * gcse.c: Include params.h.
1326 (gcse_main): Don't do GCSE if doing so will take inordinate
1328 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1329 * params.h (MAX_GCSE_MEMORY): New macro.
1331 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1333 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1335 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1337 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1339 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1341 * real.h (ereal_atof, real_value_truncate, target_isnan,
1342 target_isinf, target_negative, assemble_real, debug_real): Delete
1343 redundant prototypes.
1345 * Makefile.in (ifcvt.o): Depend on toplev.h.
1347 * c-semantics.c: Include expr.h.
1349 * ifcvt.c: Include toplev.h.
1351 * expr.h (rtx_equal_p): Delete prototype.
1353 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1354 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1355 eliminate_constant_term, expand_complex_abs, find_single_use,
1356 make_tree, init_expr_once, init_optabs, supports_one_only):
1359 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1360 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1361 expand_assignment, store_expr, emit_line_note_after,
1362 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1364 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1366 * sparc-protos.h: Delete redundant prototypes.
1368 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1370 * reload.c (push_reload): Add condition missed in SUBREG byte
1373 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1375 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1377 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1379 * i386.md (floatsisf_sse): Fix output template
1380 * i386.c (ix86_expand_fp_movcc)
1382 * reg-stack.c (emit_pop_insn): Handle complex modes.
1383 (move_for_stack_reg): Emit proper move mode.
1384 (subst_stack_regs_pat): Handle complex modes.
1386 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1388 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1390 2001-04-10 Richard Henderson <rth@redhat.com>
1392 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1393 (__pure_virtual, __terminate, __terminate_set_func,
1394 __default_terminate, __throw_type_match, __empty,
1395 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1396 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1397 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1398 Remove prototypes of deleted functions.
1400 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1402 * c-typeck.c (convert_arguments): -Wtraditional now activates
1403 -Wconversion warnings, except for changes in signed-ness.
1404 Detect complex<->int & int<->complex conversions as well.
1406 * invoke.texi (-Wtraditional): Document it.
1408 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1410 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1411 * flow.c (set_block_for_new_insns): Remove needless cast and
1412 properly check for unset block number.
1414 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1416 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1417 the subreg was a hard register. Pseudos are left as subregs.
1419 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1421 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1422 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1423 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1424 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1425 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1427 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1429 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1431 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1433 * output.h (set_block_num): Missed it earlier, remove deprecated
1436 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1438 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1439 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1440 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1441 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1442 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1443 (expr_killed_p): Change bb parameter from int to basic_block, pass
1444 basic_blocks instead of ints as parameters.
1445 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1446 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1447 from int to basic_block, pass basic_blocks instead of ints as parms.
1448 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1449 parameter from int to basic_block, pass basic_blocks instead of ints.
1450 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1451 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1452 pass basic_blocks instead of ints.
1453 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1454 basic_blocks instead of ints as parameters.
1455 (pre_delete): Pass basic_blocks instead of ints as parameters.
1456 (hoist_expr_reaches_here_p): Change bb parameter from int to
1457 basic_block, pass basic_blocks instead of ints.
1458 (hoist_code): Pass basic_blocks instead of ints as parameters.
1459 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1460 Change bb parameter from int to basic_block.
1461 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1462 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1463 pass basic_blocks instead of ints.
1464 (insert_store): Pass basic_blocks instead of ints as parameters.
1465 (replace_store_insn, delete_store): Change bb parameter from int to
1466 basic_block, pass basic_blocks instead of ints.
1467 (store_motion): Pass basic_blocks instead of ints as parameters.
1469 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1471 * basic-block.h (set_new_block_for_insns): New Prototype.
1472 (set_block_num): Delete prototype.
1473 * flow.c (set_block_num): Remove obsolete function.
1474 (set_block_for_new_insns): Set BB for single or multiple insns.
1475 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1476 (process_insn_end_bb): Use set_block_for_new_insns or
1477 set_block_for_insn instead of set_block_num.
1478 (pre_insert_copy_insn): Use set_block_for_new_insns.
1479 (update_ld_motion_stores): Use set_block_for_new_insns.
1480 (insert_insn_start_bb): Use set_block_for_new_insns.
1481 (replace_store_insn): Use set_block_for_new_insns.
1483 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1484 Jeff Law <law@redhat.com>
1486 * alias.c (get_addr): Externalize.
1487 (canon_true_dependence): New function. Behaves like true_dependance
1488 except it already assumes a MEM has been canonicalized.
1489 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1490 * gcse.c (struct ls_expr): Add load/store expressions structure.
1491 (modify_mem_list, canon_modify_mem_list): New variable.
1492 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1493 load motion and store motion if requested.
1494 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1495 (free_gcse_mem): Free the modify_mem_list array.
1496 (oprs_unchanged_p): Use load_killed_in_block_p.
1497 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1498 (mems_conflict_for_gcse_p): New function. Don't kill loads
1499 with stores to themselves if its in the load/store expression list.
1500 (load_killed_in_block_p): New function.
1501 (canon_list_insert): New Function.
1502 (record_last_mem_set_info): Keep a list of all instructions which
1503 can modify memory for each basic block.
1504 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1505 (oprs_not_set_p): Use load_killed_in_block_p.
1506 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1507 (expr_killed_p): Use load_killed_in_block_p.
1508 (compute_transp): Do not pessimize memory references.
1509 (pre_edge_insert): Update stores for a load motion expression.
1510 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1511 (ldst_entry): Find or create a ldst_expr structure.
1512 (free_ldst_entry): Free memory for an individual item.
1513 (free_ldst_mems): Free entire load/store expression list.
1514 (print_ldst_list): Print debug info.
1515 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1516 (enumerate_ldsts): Assign integer values to each entry in list.
1517 (first_ls_expr): First expression in the list.
1518 (next_ls_expr): Next expression in the list.
1519 (simple_mem): Check if expression qualifies for ld/st expression list.
1520 (invalidate_any_buried_refs): Remove from expression list if its
1521 used in some other way we dont understand.
1522 (compute_ld_motion_mems): Find all potential enhanced load motion
1524 (trim_ld_motion_mems): Remove any expressions which are invalid.
1525 (update_ld_motion_stores): Copy store values to registers for loads
1526 which have been moved.
1527 (regvec, st_antloc, num_store): New global statics.
1528 (reg_set_info): Marks registers as set.
1529 (store_ops_ok): Verfies registers expressions are valid in a block.
1530 (find_moveable_store): Look for moveable stores in a pattern.
1531 (compute_store_table): Find stores in a function worth moving, maybe.
1532 (load_kills_store): Check dependance of a load and store.
1533 (find_loads): Find any loads in a pattern.
1534 (store_killed_in_insn): Check if a store is killed in an insn.
1535 (store_killed_after): Check is store killed after an insn in a block.
1536 (store_killed_before): Check is store killed before an insn in a block.
1537 (build_store_vectors): Generate the antic and avail vectors.
1538 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1539 (insert_store): Add a store to an edge.
1540 (replace_store_insn): Replace a store with a SET insn.
1541 (delete_store): Delete a store insn.
1542 (free_store_memory): Free memory.
1543 (store_motion): Perform store motion.
1544 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1545 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1546 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1547 (f_options): Add gcse-lm and gcse-sm.
1549 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1551 * i386.c (expand_fp_movcc): Fix condition reversal code.
1553 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1554 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1555 (CLASS_MAX_NREGS): Use it.
1557 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1558 handle properly complex values.
1559 (CLASS_MAX_NREGS): Likewise; update comment.
1561 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1563 * ia64.c (ia64_flag_schedule_insns2): New variable.
1564 (ia64_override_options): Initialize it. Clear
1565 flag_schedule_insns_after_reload.
1566 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1568 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1570 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1571 Do not require source to match destination anymore;
1572 Add abort to the nontrivial cases that should be handled by split.
1573 (fix_trunc?fdi): Add SSE case for x86_64.
1574 (floatdi?f): Likewise.
1575 (floatdi?f_sse): New.
1576 (fix_trunc?fdi_sse): New.
1578 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1580 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1581 (DEBUG_ARANGES_END_LABEL): Ditto.
1582 (dwarfout_init): Generate length and version fields at the start
1583 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1584 after the length field.
1585 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1586 the .debug_aranges info.
1588 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1590 * i386.c (call, call_value): Make sure that resulting call_insn
1591 does have proper second operand.
1593 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1595 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1596 function. Remove include of sys/cygwin.h.
1598 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1600 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1601 (CPP_SPEC): Always search */include/w32api for header files.
1602 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1603 (LINK_SPEC): Add "cyg" to the library search prefixes.
1605 2001-04-08 Philip Blundell <philb@gnu.org>
1607 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1609 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1611 * cpperror.c (print_location): Don't special case <stdin>.
1612 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1613 WARNING, but we don't check if we're in system headers.
1614 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1615 * cpplib.c (do_warning): Warn in system headers.
1617 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1619 * mbchar.c: Include config.h first.
1621 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1623 * config.gcc: Set default for xmake_file at top, not bottom.
1624 Change places that set xmake_file to "none" to set to the
1625 empty string instead, or remove them entirely if there is no
1626 default xmake_file for this cpu_type. Remove references to
1629 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1630 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1631 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1632 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1633 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1634 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1635 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1636 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1637 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1638 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1641 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1642 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1643 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1644 config/mips/x-sysv, config/rs6000/x-aix31:
1645 Just set CLIB to -lld or -lmld, as appropriate.
1647 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1648 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1649 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1650 config/mips/x-iris, config/pa/x-pa:
1651 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1652 OTHER_FIXINCLUDES_DIRS.
1654 * config/i386/x-djgpp: Don't set LN or LN_S.
1655 * config/m88k/x-dolph: Don't define __m88k__.
1656 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1657 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1658 * config/i860/fx2800.h: No need to #undef SVR4.
1660 38 x-host fragments remain, 2 x-cpu.
1662 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1664 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1666 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1668 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1670 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1672 * configure.in: Add check for lstat.
1673 * configure, config.in: Regenerate.
1674 * cppinit.c (append_include_chain): Make empty path ".".
1675 * cpplib.c (do_line): Don't simplify #line paths.
1676 * cppfiles.c (remove_component_p): New function.
1677 (find_or_create_entry): Acknowledge stat () errors during
1678 path simplification.
1679 (handle_missing_header): Don't simplify paths.
1680 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1681 the empty path untouched. Don't leave a trailing '/'.
1683 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1685 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1686 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1688 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1690 * cppfiles.c (open_file): Fail directories silently, but
1691 with an errno of NOENT set.
1692 (read_include_file): Move the common exit code to the sole
1693 caller. Return an int indicating success or failure. Let
1694 open_file handle directories.
1695 (stack_include_file): If read_include_file fails,
1696 push a "null" buffer.
1698 2001-04-05 DJ Delorie <dj@redhat.com>
1700 * function.h (virtuals_instantiated): Declare.
1701 * function.c: (virtuals_instantiated): Make global.
1702 * calls.c (emit_library_call_value_1): Use
1703 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1704 Otherwise, use the stack pointer directly.
1706 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1708 * i386.c (x86_initialize_trampoline): New global function.
1709 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1710 (INITIALIZE_TRAMPOLINE): Move offline.
1711 * i386-protos.h (x86_initialize_trampoline): Declare.
1713 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1715 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1716 (lea_0): Rename to lea_1.
1717 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1718 (lea_general_?): Allow SImodes on TARGET_64BIT
1719 (lea_general_?_zext): New patterns.
1720 (call_1, call_1_rex64): Fix.
1722 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1724 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1726 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1728 * i386.c (function_arg): Return constm1_rtx for last argument.
1729 (ix86_expand_prologue): Update gen_call calls.
1730 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1731 * i386.md (call_pop): Likewise.
1732 (call): Second operand is VOIDmode.
1733 (call_0): Likewise; Support 64bits.
1734 (call_exp): New expander.
1735 (call_1): Get to the sync.
1736 (call_1_exp): New pattern.
1737 (call_value): Support 64bit.
1738 (call_value_exp): New pattern.
1739 (untyped_call): Update gen_call call.
1740 (call_value_pop): Disable for 64bit.
1741 (call_value_0_rex64): New pattern.
1742 (call_value_1_rex64): Likewise.
1744 2001-04-05 Bo Thorsen <bo@suse.de>
1746 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1748 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1750 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1751 satisfies ANY_QI_REG_P.
1753 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1755 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1758 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1761 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1763 * config.gcc: Remove default for xm_file. Clean up local
1764 machine type handling. Remove settings of xm_file to
1765 something that doesn't exist. In the big switch, set xm_file,
1766 don't append to it (the value before the big switch is always
1767 null). Don't force build_xm_file or host_xm_file to have a value.
1768 * configure.in: Remove default for xm_file. Do not special
1769 case $cpu/xm-$cpu.h not existing.
1770 * configure: Regenerate.
1772 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1774 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1775 when folding integer division and modulo operations.
1777 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1779 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1780 instead of DWARF2_ADDR_SIZE for EH addresses.
1781 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1784 2001-04-04 Richard Henderson <rth@redhat.com>
1786 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1787 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1788 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1790 2001-04-04 Richard Henderson <rth@redhat.com>
1792 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1793 * configure: Rebuilt.
1795 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1797 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1798 push insns to delete to it instead of deleting them.
1799 (delete_null_pointer_checks): Delete insns from delete_list after
1800 all delete_null_pointer_checks_1 passes are done.
1802 2001-04-04 Richard Henderson <rth@redhat.com>
1804 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1805 * configure: Rebuilt.
1807 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1809 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1810 * config/romp/xm-romp.h: Delete.
1812 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1814 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1817 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1819 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1820 all labels present in rtx.
1821 (try_split) Call new function for all split insns.
1823 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1825 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1826 sure the change won't be validated.
1828 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1830 * rtl.h (set_noop_p): Declare.
1831 * flow.c (set_noop_p): Move from here ...
1832 * rtlanal.c (set_noop_p): ... to here and enhance.
1833 * cse.c (delete_trivially_dead_insns): Use it.
1834 * gcse.c (hash_scan_set): Likewise.
1835 * jump.c (delete_noop_moves): Likewise.
1836 * recog.c (split_all_insns): Likewise.
1838 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1840 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1841 stack pointer via a LO_SUM. Ditto for setting a temp register
1842 used to save to the stack. Set cfa_temp when setting fp, and
1843 allow matches to cfa_temp in addition to cfa_store when saving
1844 regs. Handle POST_INC and LO_SUM register stores. Document the
1845 changes and errors in rule 12 doco.
1847 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1848 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1849 (load_reg): Move closer to epilogue code.
1850 (DO_FRAME_NOTES): Define to control the following..
1851 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1852 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1854 (hppa_expand_epilogue): Likewise.
1856 2001-04-03 Richard Henderson <rth@redhat.com>
1858 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1859 * configure: Rebuild.
1861 2001-04-03 Richard Henderson <rth@redhat.com>
1863 * rtl.h (LCT_THROW): New.
1864 * calls.c (emit_library_call_value_1): Handle it.
1865 * except.c (connect_post_landing_pads): Use it.
1867 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1869 * gansidecl.h: Delete file.
1870 * configure.in: Change all refs to gansidecl.h to use
1871 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1873 * configure: Regenerate.
1875 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1876 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1877 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1878 Don't include gansidecl.h.
1879 * intl.c, main.c, version.c, fixinc/fixlib.h,
1880 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1883 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1885 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1888 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1890 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1891 config/i386/xm-next.h, config/i386/xm-sco.h,
1892 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1893 config/m88k/xm-m88k.h: Delete.
1895 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1896 * config/romp/xm-romp.h: Don't define bcopy.
1897 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1898 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1900 * config.gcc: Remove references to deleted files.
1902 14 xm-host.h remain, 1 xm-cpu.h.
1904 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1905 David S. Miller <davem@pierdol.cobaltmicro.com>
1906 Andrew MacLeod <amacleod@redhat.com>
1908 Use byte offsets in SUBREGs instead of words.
1910 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1911 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1912 to pass new argument.
1913 (add_stored_regs): Use subreg_regno_offset function.
1914 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1916 (precompute_arguments): Use gen_lowpart_SUBREG.
1917 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1918 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1919 (simplify_set): Rework to use SUBREG_BYTE.
1920 (expand_field_assignment): Use SUBREG_BYTE.
1921 (make_extraction): Use SUBREG_BYTE.
1922 (if_then_else_cond): Use SUBREG_BYTE.
1923 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1924 (gen_lowpart_for_combine): Compute full byte offset.
1925 * cse.c (mention_regs): Use SUBREG_BYTE.
1926 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1927 (canon_hash): Use SUBREG_BYTE.
1928 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1929 (gen_lowpart_if_possible): Formatting.
1930 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1932 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1933 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1934 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1935 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1936 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1937 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1938 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1939 certain invariants about SUBREGs the compiler creates.
1940 (gen_lowpart_SUBREG): New function.
1941 (subreg_hard_regno): New function to get the final register number.
1942 (gen_lowpart_common): Use SUBREG_BYTE.
1943 (gen_imagpart): Spacing nits.
1944 (subreg_realpart_p): Use SUBREG_BYTE.
1945 (gen_highpart): Use SUBREG_BYTE.
1946 (subreg_lowpart_p): Always compute endian corrected goal offset,
1947 even at the byte level, then compare against that.
1948 (constant_subword): New function, pulled out all constant cases
1949 from operand_subword and changed second argument name to offset.
1950 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1951 and call constant_subword to do the work. Return const0_rtx if
1952 looking for a word outside of OP.
1953 (operand_subword_force): Change second arg name to offset.
1954 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1955 (store_split_bit_field): Use SUBREG_BYTE.
1956 (extract_bit_field): Use SUBREG_BYTE.
1957 (extract_split_bit_field): Use SUBREG_BYTE.
1958 (expand_shift): Use SUBREG_BYTE.
1959 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1960 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1961 * flow.c (set_noop_p): Use SUBREG_BYTE.
1962 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1963 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1964 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1966 (optimize_bit_field): Use SUBREG_BYTE.
1967 (purge_addressof_1): Use SUBREG_BYTE.
1968 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1969 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1970 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1971 * gengenrtl.c (special_rtx): Add SUBREG.
1972 * global.c (mark_reg_store): Use SUBREG_BYTE.
1973 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1974 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1975 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1976 final byte offset is congruent to subreg's mode size.
1977 (subst_constants): Use SUBREG_BYTE.
1978 (mark_stores): Use subreg_regno_offset function.
1979 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1980 function and SUBREG_BYTE.
1981 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1982 (reg_is_born): Use subreg_hard_regno.
1983 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1984 endian correction code. Don't combine subregs unless resulting
1985 offset aligns with type. Fix subreg constant extraction for DImode.
1986 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1987 (general_operand): Remove dead mode_altering_drug code.
1988 (indirect_operand): Use SUBREG_BYTE.
1989 (constrain_operands): Use subreg_regno_offset function.
1990 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1991 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1992 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1993 * regs.h (REG_SIZE): Allow target to override.
1994 (REGMODE_NATURAL_SIZE): New macro which target can override.
1995 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1996 on the entire subreg rtx.
1997 (push_reload): Use SUBREG_BYTE in comments and code.
1998 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1999 for hard registers inside subregs.
2000 (operands_match_p): Use subreg_regno_offset.
2001 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
2002 containing hard regs.
2003 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
2004 corrections when fixing up MEM subregs.
2005 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
2006 subreg_regno_offset where appropriate.
2007 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
2008 byte endian corrections when fixing up MEM subregs.
2009 (subst_reloads): When combining two subregs, make sure final
2010 offset is congruent to subreg's mode size.
2011 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
2012 (refers_to_regno_for_reload_p): Use subreg_regno.
2013 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
2014 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
2015 correction code for memory subreg fixups.
2016 (forget_old_reload_1): Use subreg_regno_offset.
2017 (choose_reload_regs): Use subreg_regno.
2018 (emit_input_reload_insns): Use SUBREG_BYTE.
2019 (reload_combine_note_store): Use subreg_regno_offset.
2020 (move2add_note_store): Use subreg_regno_offset.
2021 * resource.c (update_live_status, mark_referenced_resources): Use
2022 subreg_regno function.
2023 (mark_set_resources): Use subreg_regno function.
2024 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
2025 (subreg_regno_offset, subreg_regno): Define prototypes.
2026 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
2027 (gen_lowpart_SUBREG): Add prototype.
2028 * rtl.texi (subreg): Update to reflect new byte offset representation.
2029 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
2030 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
2031 (reg_overlap_mentioned_p): Use subreg_regno.
2032 (replace_regs); Make sure final offset of combined subreg is
2033 congruent to size of subreg's mode.
2034 (subreg_regno_offset): New function.
2035 (subreg_regno): New function.
2036 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
2037 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
2038 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
2039 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
2040 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
2041 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
2042 (a29k_get_reloaded_address): Use SUBREG_BYTE.
2043 (print_operand): Use SUBREG_BYTE.
2044 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
2045 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
2046 (arm_reload_out_hi): Use SUBREG_BYTE.
2047 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
2048 instead of SUBREG_WORD.
2049 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
2050 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
2051 SUBREG creation to use byte offset.
2052 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
2053 inverted load insns): Fix explicit rtl subregs to use byte
2055 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
2056 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
2057 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
2058 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
2059 to use byte offsets.
2060 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
2061 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
2062 offsets, also make sure it is congruent to SUBREG's mode size.
2063 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
2064 unnamed ldob insn): Generate SUBREGs with byte offset.
2065 (zero_extendqihi2): SUBREG's are byte offsets.
2066 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
2067 (m68hc11_gen_highpart): Use SUBREG_BYTE.
2068 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
2069 zero-extendqisi2): Generate SUBREGs with byte offset.
2070 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
2071 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
2072 subregs in rtl to use byte offsets.
2073 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
2074 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
2075 (mips_move_2words): Use subreg_regno_offset.
2076 (mips_secondary_reload_class): Use subreg_regno_offset.
2077 * config/mips/mips.md (DImode plus, minus, move, and logical op
2078 splits): Fixup explicit subregs in rtl to use byte offsets.
2079 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
2080 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
2081 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
2082 rtl to use byte offsets.
2083 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
2084 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
2085 subregs to use byte offsets.
2086 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
2087 Fixup explicit subregs in rtl to use byte offsets.
2088 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
2089 and remove byte endian correction code.
2090 * config/sh/sh.c (output_movedouble): Use subreg_regno.
2091 (gen_ashift_hi): Use SUBREG_BYTE.
2092 (regs_used): Use subreg_regno_offset.
2093 (machine_dependent_reorg): Use subreg_regno_offset.
2094 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
2095 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
2096 (movdf_i4): Subregs are byte offsets now.
2097 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
2098 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
2099 (REGMODE_NATURAL_SIZE): Override.
2100 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
2101 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
2103 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
2104 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
2105 extendqidi2): Generate SUBREGs with byte offsets, also make sure
2106 it is congruent to SUBREG's mode size.
2107 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
2109 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
2110 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
2111 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
2112 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
2113 * config/v850/v850.c (print_operand, output_move_double): Use
2114 subreg_regno function.
2116 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
2118 * configure.in (target_subdir): Use target_alias, not target.
2119 * configure: Rebuilt.
2121 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2123 * config/sh/crti.asm: Fix typos in comments.
2125 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2127 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2128 TARGET_FAST_INDIRECT_CALLS.
2129 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2131 (return_addr_rtx): Short circuit export stub matching when
2132 TARGET_NO_SPACE_REGS.
2133 (output_millicode_call): For out of range calls, make -fPIC
2134 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2135 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2136 * pa.md: Modify length attr calculation of all millicode insns to
2139 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2141 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2142 Require at least 2.11 in the version test. Specifically check
2143 for and reject GAS version 2.10.90.
2144 * configure: regenerate.
2146 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2148 * pa.c (override_options): Remove PIC profiling warning.
2149 (hp_profile_labelno): Delete.
2150 (hp_profile_label_rtx): Delete.
2151 (hp_profile_label_name): Delete.
2152 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2153 (output_function_prologue): Remove profiling code and all tests on
2154 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2155 merge_sp_adjust_with_store can work for PIC and profiling.
2156 (hppa_expand_epilogue): Remove profile_flag test.
2157 (hppa_can_use_return_insn_p): Likewise.
2158 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2159 cater for PROFILE_HOOK.
2160 (hppa_profile_hook): New function.
2161 * pa.h (FUNCTION_PROFILER): Now does nothing.
2162 (PROFILE_HOOK): Define.
2163 (hppa_profile_hook): Declare.
2164 (PROFILE_BEFORE_PROLOGUE): Delete.
2165 (ASM_OUTPUT_REG_PUSH): Delete.
2166 (ASM_OUTPUT_REG_POP): Delete.
2167 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2168 r24. Accept function name operand, and use this and a locally
2169 generated label to calculate pc-rel offset to func start.
2171 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2173 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2174 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2177 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2179 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2180 LO_SUM cases to where they belong.
2182 2001-04-02 Richard Henderson <rth@redhat.com>
2184 * except.h (lang_eh_type_covers): Mark extern.
2185 (lang_eh_runtime_type): Likewise.
2187 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2189 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2190 gengenrtl.c: Wrap generated header in multiple-include guard.
2191 Improve error checking.
2193 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2195 * configure.in: Don't check for putenv.
2196 * configure: Regenerate.
2197 * gcc.c (putenv): Don't define.
2198 * vax/xm-vms.h: Handle putenv.
2200 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2202 * ifcvt.c (noce_emit_move_insn): New.
2203 (noce_try_store_flag, noce_try_store_flag_constants,
2204 noce_try_store_flag_inc, noce_try_store_flag_mask,
2205 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2206 noce_try_abs): Use it.
2207 (noce_process_if_block): Likewise.
2208 For STRICT_LOW_PART, take mode from its SUBREG.
2210 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2212 * fold-const.c (fold): Before optimizing unsigned comparison with
2213 0x7fffffffU, make sure arg0 is integral type.
2215 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2217 * c-tree.texi: Document representation of wide strings.
2219 2001-04-01 Richard Henderson <rth@redhat.com>
2221 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2223 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2225 * i386.md: remove obsoleted comments.
2226 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2227 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2228 fix output template.
2230 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2232 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2234 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2236 * loop.c (load_mems): When generating a load from a pseudo, update
2239 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2241 * i386.c (ix86_split_long_move): Use change address to compensate
2242 stack pointer change in push instruction.
2244 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2246 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2247 instead of rtx_equal_p; fix the output template.
2249 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2251 * i386.c (ix86_expand_setcc): Support 64bit.
2252 (ix86_expand_int_movcc): Likewise.
2253 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2256 * i386.md (allocate_stack_worker): Turn to expander.
2257 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2259 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2261 2001-03-29 Richard Henderson <rth@redhat.com>
2263 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2265 2001-03-28 Matthew Hiller <hiller@redhat.com>
2267 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2270 * MAINTAINERS: Added self.
2272 2001-03-28 Richard Henderson <rth@redhat.com>
2274 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2275 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2277 2001-03-28 Jim Wilson <wilson@redhat.com>
2279 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2282 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2284 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2286 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2289 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2291 2001-03-28 DJ Delorie <dj@redhat.com>
2293 * Makefile.in (stage1_build): Revert CFLAGS patch.
2295 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2297 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2298 when multiplier or multiplicand is zero.
2300 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2302 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2304 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2306 (set_src_needs_barrier): Likewise.
2307 (rtx_needs_barrier): For SET case, use these two functions. Rework
2308 PARALLEL case to handle all inputs before all outputs.
2309 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2310 saw a label and no stop bit since then.
2311 (maybe_rotate, process_epilogue): Add prototypes.
2313 2001-03-28 Richard Henderson <rth@redhat.com>
2315 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2316 not TARGET_TOC for special toc restore handling.
2317 * config/rs6000/rs6000.md (eh_return): Likewise.
2319 2001-03-28 Richard Henderson <rth@redhat.com>
2321 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2322 current_function_calls_eh_return.
2323 (output_function_epilogue): Handle eh_return.
2324 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2325 (EH_RETURN_DATA_REGNO): New.
2326 (EH_RETURN_STACKADJ_RTX): New.
2327 (EH_RETURN_HANDLER_RTX): New.
2328 * config/sparc/sparc.md (call/short branch peepholes): Check
2329 can_throw_internal instead of in_same_eh_region.
2331 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2332 for eh_return data registers.
2333 (rs6000_emit_prologue): Save eh_return data registers.
2334 (rs6000_emit_epilogue): Force inline restores if eh_return.
2335 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2336 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2337 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2338 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2339 the target uses one.
2340 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2341 (return_eh_si, return_eh_di): Remove.
2342 (eh_return): New, from corpse of eh_epilogue.
2343 (eh_set_lr_si, eh_set_lr_di): New.
2345 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2346 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2347 True for pic register if current_function_calls_eh_return.
2348 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2349 Handle eh_return requirements.
2350 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2351 (EH_RETURN_STACKADJ_RTX): New.
2352 * config/i386/i386.md (exception_receiver): Remove.
2353 (eh_return, eh_return_1): New.
2354 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2356 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2357 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2358 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2359 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2360 (EH_RETURN_DATA_REGNO): New.
2361 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2362 * config/alpha/alpha.md (eh_epilogue): Remove.
2363 (exception_receiver): Use $26 for ldgp input.
2364 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2366 2001-03-28 Richard Henderson <rth@redhat.com>
2368 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2369 * except.h: Likewise.
2371 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2372 (LIB2ADDEHDEP): New.
2373 (LIB2FUNCS_EH): Remove.
2374 (LIB2ADD): Remove LIB2ADDEH.
2375 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2376 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2377 (crt{begin,end}[S].o): Likewise.
2378 (except.o): Update includes.
2379 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2380 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2382 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2383 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2384 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2385 * builtins.c (expand_builtin): Implement it.
2386 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2387 * c-common.c (c_common_nodes_and_builtins): Declare it.
2388 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2389 * calls.c (libfunc_nothrow): Remove.
2390 (emit_library_call_value_1): Don't call it.
2391 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2392 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2393 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2394 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2395 (current_funcdef_number): Globalize.
2396 (output_call_frame_info): Emit frame data if an lsda is needed.
2397 Generate augmentation for personality routine. Don't play with
2399 (dwarf2out_begin_prologue): Record funcdef_number.
2400 * dwarf2out.h (current_funcdef_number): Declare.
2401 * expr.c (expand_expr): Update for except.h name changes.
2402 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2403 * expr.h (LTI_throw, LTI_rethrow): Remove.
2404 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2405 (LTI_eh_rtime_match): Remove.
2406 (LTI_unwind_resume, LTI_eh_personality): Add.
2407 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2408 * final.c (final): Don't call check_exception_handler_labels,
2409 init_insn_eh_region, or free_insn_eh_region.
2410 (final_scan_insn): Always emit debug labels for
2411 NOTE_INSN_EH_REGION notes.
2412 * flags.h (flag_new_exceptions): Remove.
2413 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2414 (record_active_eh_regions): Remove.
2415 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2416 Use can_throw_internal.
2417 (find_basic_blocks_1): Likewise.
2418 (move_stray_eh_region_notes): Remove.
2419 (find_label_refs): No eh_return_stub_label.
2420 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2421 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2423 (delete_unreachable_blocks): Don't track deleted handlers.
2424 (flow_delete_block): Use maybe_remove_eh_handler.
2425 (delete_eh_regions): Remove.
2426 (merge_blocks): Don't check for eh region match.
2427 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2428 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2429 (init_propagate_block_info): Disable dead frame store optimization
2430 when current_function_calls_eh_return.
2431 (dump_bb): Don't print eh_beg, eh_end.
2432 * function.c (fixup_var_refs): No catch_clauses.
2433 (expand_function_end): Likewise. Call expand_eh_return before
2434 the return register use. Call sjlj_emit_function_exit_after.
2435 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2436 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2437 * ifcvt.c (dead_or_predicable): Remove eh region check.
2438 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2439 Don't check for EH vs parameters.
2440 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2441 (expand_inline_function): Call duplicate_eh_regions.
2442 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2443 (copy_insn_notes): Remap REG_EH_REGION notes.
2444 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2445 * integrate.h (struct inline_remap): Add local_return_label.
2446 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2447 check_exception_handler_labels, nor exception_optimize.
2448 (find_cross_jump): No EH region check.
2449 * optabs.c (init_optabs): Update for changed eh libfuncs.
2450 * rtl.def (RESX): New.
2451 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2452 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2453 checks. Update for except.h name changes.
2454 (expand_cleanups): Likewise.
2455 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2456 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2457 (compile_file): Call init_eh before init_optabs. Don't
2458 output_exception_table here.
2459 (rest_of_compilation): Call convert_from_eh_region_ranges,
2460 convert_to_eh_region_ranges, output_function_exception_table.
2461 Don't emit_eh_context.
2462 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2463 (EXC_PTR_EXPR): New.
2465 * md.texi (eh_epilogue): Remove.
2466 (eh_return): Document.
2467 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2468 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2470 * eh-common.h: Remove file.
2471 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2472 * libgcc2.c (L_eh): Remove.
2474 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2475 * unwind-dw2-fde.h: New file.
2476 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2477 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2478 * libgcc-std.ver: Update for eh symbols.
2480 2001-03-27 Richard Henderson <rth@redhat.com>
2482 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2483 reduce false positives.
2484 (regmove_optimize): Disable if flag_non_call_exceptions.
2486 * stmt.c (expand_return): Remove always true predicate.
2487 (expand_decl_cleanup_no_eh): Remove dead code.
2489 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2490 barrier code. Add a scheduling barrier if a non-call insn
2491 can throw internally.
2493 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2494 Auto-inc addresses trap only if their base register does.
2496 * except.c (can_throw_internal): Rename from can_throw.
2497 * except.h, resource.c: Update references.
2499 * integrate.c (copy_insn_list): Use returnjump_p.
2500 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2502 * function.h (struct function): Move all boolean valued fields
2503 to single bit fields at the end of the struct.
2505 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2507 Rename asynchronous_exceptions to flag_non_call_exceptions.
2509 * gthr-single.h (UNUSED): New. Distinguish between how C
2510 and C++ mark unused function arguments. Use throughout.
2512 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2513 value to target configuration header.
2514 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2515 * config.in, configure: Rebuild.
2516 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2517 configuration and target defines.
2518 (exceptions_via_longjmp): Remove.
2519 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2520 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2522 * except.h (flag_non_call_exceptions): Move ...
2523 * flags.h: ... here.
2525 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2526 exceptions, put the note on the trapping instruction.
2528 * flags.h (flag_new_exceptions): Remove.
2529 * toplev.c: Don't set it.
2530 * final.c: Don't check it.
2531 * except.c: Provide stub definition.
2533 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2534 (calculate_global_regs_live): Kill call-clobbered registers
2535 across exception edges.
2536 * reg-stack.c (convert_regs_1): Kill the entire target stack
2537 across non-call exception edges.
2539 * flow.c (cleanup_cfg): Take no argument.
2540 * output.h, sibcall.c, toplev.c: Update all calls.
2542 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2544 * configure.in: Don't check for bcopy.
2545 * configure, config.in: Regenerate.
2547 * system.h: Don't define or prototype bcopy, instead poison it.
2549 2001-03-27 Richard Henderson <rth@redhat.com>
2551 * function.c (expand_function_start): Set DECL_REGISTER on
2552 a pseudo used for DECL_RESULT.
2554 * rtl.h (LCT_NORETURN): New.
2555 * calls.c (emit_library_call_value_1): Handle it.
2557 2001-03-27 Stan Shebs <shebs@apple.com>
2559 * objc/objc-act.c (objc_init): Use dump_base_name.
2560 (gen_declaration): Clear the buffer arg.
2561 (gen_declaration_1): New function, body of gen_declaration.
2562 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2563 (gen_method_decl): Ditto, plus always clear buffer arg.
2564 (error_with_ivar): Simplify.
2565 (warn_with_method): Ditto.
2566 (build_message_expr): Don't clear buffers.
2567 (dump_interface): Ditto.
2568 (objc_debug): Ditto.
2569 (build_keyword_selector): Clear the buffer by only zeroing
2571 (objc_implementation_context): Declare.
2572 (start_class): Warn about missing @end.
2573 (finish_objc): Ditto.
2575 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2577 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2579 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2581 * Makefile.in (SYSTEM_H): Define.
2582 Depend on $(SYSTEM_H), not system.h.
2584 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2586 2001-03-27 Jim Wilson <wilson@redhat.com>
2588 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2590 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2591 (process_epilogue): New static function.
2592 (process_set): Call process_epilogue instead of emitting .restore
2594 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2596 * flow.c (struct reg_cond_life_info): New fields orig_condition
2598 (init_propagate_block_info): Set new fields.
2599 (mark_regno_cond_dead): Set and use new fields.
2600 (flush_reg_cond_reg_1): Likewise.
2601 (and_reg_cond, case AND): Check for redundant AND conditions.
2602 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2605 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2607 * cppmacro.c (stringify_arg): Null terminate strings.
2609 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2611 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2612 inclusion style. xm-m68hc11.h no longer exists.
2613 * config/m68hc11/xm-m68hc11.h: Delete file.
2614 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2616 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2617 Don't define GCC_VERSION, N_, or PARAMS; don't include
2618 gansidecl.h or stdio.h. Define inhibit_libc here.
2619 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2620 Delete code conditioned on #if GCC_VERSION == 2095.
2622 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2623 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2624 Delete code conditioned on #if GCC_VERSION == 2095.
2626 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2628 * system.h: Include symcat.h.
2629 (STRINGIFY): Don't define.
2631 * configure.in: Adjust comment.
2633 * builtins.c: Use STRINGX, not STRINGIFY.
2634 * gencheck.c: Likewise.
2635 * gengenrtl.c: Likewise.
2636 * protoize.c: Likewise.
2638 * cpplex.c: Don't include symcat.h.
2639 * cpplib.c: Likewise.
2641 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2643 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2645 * c-typeck.c (digest_init): Fold init expression.
2647 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2649 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2651 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2653 * except.c (eh_regs): Save results of build_pointer_type to a temp
2654 as FUNCTION_VALUE macro may evaluate its args multiple times.
2656 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2658 * c-common.h (DECL_NUM_STMTS): New macro.
2659 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2661 (pushdecl): Likewise.
2662 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2663 * integrate.c (expand_inline_function): Don't check
2665 * print-tree.c (print_node): Don't print it.
2666 * toplev.c (rest_of_compilation): Don't try to inline when
2667 flag_no_inline is on.
2668 * tree.h (DECL_FRAME_SIZE): Remove.
2669 (tree_decl): Adjust accordingly.
2671 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2673 * combine.c (try_combine): Use memcpy, not bcopy.
2675 * genattrtab.c (expand_units): Likewise.
2677 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2679 * i386.md (push mem DI peep2): New.
2680 (mov 0, mov -1 peep2): Handle 64bit.
2681 (lea to arithmetics peep2): Handle 64bit leas.
2682 (rsp arithmetics to push/pop peep2s): New.
2684 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2686 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2688 * i386.c (struct machine_function): Add save_varrargs_registers.
2689 (ix86_save_varrargs_registers): New macro.
2690 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2691 (ix86_expand_prologue): Likewise.
2692 (ix86_emit_epilogue_esp_adjustement): Likewise.
2693 (ix86_expand_epilogue): Likewise.
2694 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2695 (pro_epilogue_adjust_stack_1): New insn.
2696 (pro_epilogue_adjust_stack_rex64): Likewise.
2697 * i386.h (MASK_NO_RED_ZONE): New constant.
2698 (TARGET_RED_ZONE): New macro.
2699 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2700 (RED_ZONE_SIZE): New constant.
2701 (RED_ZONE_RESERVE): New constant.
2703 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2705 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2707 2001-03-25 Kazu Hirata <kazu@hxi.com>
2709 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2712 (umodhi3): Likewise.
2715 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2717 * mkconfig.sh (DEFINES): Handle entries with '='.
2719 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2720 Set xm_defines to MACRO=value instead.
2722 * i370/xm-mvs.h: Delete.
2724 * ns32k/xm-pc532-min.h: Likewise.
2726 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2728 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2730 use ix86_expand_binary_operator
2731 (?sh??i_?): Disable for 64bit.
2732 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2733 * i386.c (shiftdi_operand): New predicate.
2735 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2736 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2737 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2738 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2739 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2740 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2741 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2742 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2743 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2744 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2745 (rotldi3, rotrdi3): New expanders.
2747 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2749 * i386.md (movstrsi): Move offline.
2751 (strmovdi_rex64): New.
2752 (strmov?i): Accept 64bit.
2753 (strmov?i_rex64): New.
2754 (strmov?i_rex_1): New.
2755 (strmov?i_1): Disable for 64bit.
2756 (rep_mov?i_rex64): New.
2757 (rep_mov?i): Disable for 64bit.
2758 (clrstrsi): Move offline.
2759 (strset?i_rex64): New.
2760 (strset?i: Accept 64bit.
2761 (rep_stos?i): Disable for 64bit.
2762 (rep_stos?i_rex64): New.
2763 (strset?i_rex_1): New.
2764 (strset?i_1): Disable for 64bit.
2765 (cmpstrsi): Accept 64bit.
2766 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2767 (cmpstrqi_nz_rex_1): New.
2768 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2769 (strlensi): Move offline.
2771 (strlenqi_1): Disable for 64bit; fix constraints.
2772 (strlenqi_rex_1): New.
2773 * i386.c (ix86_adjust_counter): New static function.
2774 (ix86_zero_extend_to_Pmode): Likewise.
2775 (ix86_expand_aligntest): Likweise.
2776 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2777 (ix86_expand_movstr): New global function.
2778 (ix86_expand_clrstr): New global function.
2779 (ix86_expand_strlen): New global function.
2780 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2781 ix86_expand_strlen): Declare.
2782 (ix86_expand_strlensi_unroll_1): Delete.
2784 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2786 * i386.md (cmpdi): Fix operand predicates.
2787 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2788 cmpdi_1_insn_rex64): New patterns.
2789 (adddi3): Turn to expander.
2790 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2791 (addsi3_carry_zext): New pattern.
2792 (adddi_?_rex64): New patterns and splitters.
2793 (addsi_?_zext): New patterns.
2794 (subsi3_carry_zext): New pattern.
2795 (subdi_?_rex64): New patterns and splitters.
2796 (iorsi_?_zext): New patterns.
2797 (iordi_?_rex64): New patterns and splitters.
2798 (iorsi_?_zext): New patterns.
2799 (iorsi_?_zext_imm): New patterns.
2800 (xorsi_?_zext): New patterns.
2801 (xordi_?_rex64): New patterns and splitters.
2802 (xorsi_?_zext): New patterns.
2803 (negdi*): New patterns.
2804 (one_cmpldi*): Likewise.
2805 (one_cmplsi*_zext, negsi*_zext): Likewise.
2806 (testqi_ext_3_rex64): New pattern.
2808 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2810 * i386-protos.h (ix86_split_long_move): Return void.
2811 * i386.c (ix86_split_to_parts): Handle 64bit target.
2812 (ix86_split_long_move): Likewise.
2813 * i386.md (all calls to ix86_split_long_move): Update.
2815 2001-03-23 Richard Henderson <rth@redhat.com>
2817 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2818 to avoid shadowing arguments.
2820 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2822 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2823 to variable names where DECL_NAME is different from
2824 DECL_ASSEMBLER_NAME.
2826 2001-03-23 Jim Wilson <wilson@redhat.com>
2828 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2829 (assemble_alias): Call make_decl_rtl.
2831 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2833 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2835 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2837 * extend.texi: Document the "java_interface" attribute.
2839 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2841 * mkconfig.sh: Use a subshell with redirected stdout,
2842 instead of closing stdout and confusing commands that run
2843 afterward. Throw away output of cmp.
2845 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2847 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2849 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2851 * i386.md (zero_extendsidi2_32): Break out from ...
2852 (zero_extendsidi2): ... here ; turn to expander.
2853 (zero_extendsidi2_rex64): New.
2854 (extendsidi2_32): Break out from ...
2855 (extendsidi2): ... here ; turn to expander.
2856 (extendsidi2_rex64): New.
2857 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2858 (trunc?f?f splitters): Add 64bit versions.
2860 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2862 * i386.md (pushsi, pushsi2_prologue): Disable.
2863 (pushsi2_rex64): New.
2864 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2865 (movqi_ext_1): Disable for 64bit.
2866 (movqi_ext_1_rex64): New.
2867 (pushdi2_rex64): New pattern, peep2s and splitter.
2868 (pushdi2_prologue_rex64): New pattern.
2869 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2871 (movdi splitters): Disable for 64bit.
2872 (movdi_1_rex64): New pattern, peep2s and splitters.
2873 (swapdi): New pattern.
2874 (pushsf): Disable for 64bit.
2875 (pushsf_rex64): New pattern and splitter.
2876 (pushdf_nointeger): Disable for 64bit.
2877 (pushdf_integer): Handle the 64bit case.
2878 (pushtf): Likewise; update splitters.
2880 2001-03-22 Richard Henderson <rth@redhat.com>
2882 * mkconfig.sh: Include insn-flags.h.
2883 * Makefile.in (CONFIG_H): Include insn-flags.h.
2884 (lots of objects): Remove insn-codes.h and insn-flags.h.
2886 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2887 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2888 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2889 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2890 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2891 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2892 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2893 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2894 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2895 v850/v850.c, vax/vax.c:
2896 Don't include insn-flags.h.
2898 * diagnostic.c, expr.h, reload.c, toplev.c:
2899 Don't include insn-codes.h.
2901 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2902 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2903 c4x/c4x.c, i960/i960.c, mips/mips.c:
2904 Don't include insn-codes.h or insn-flags.h.
2906 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2907 or insn-flags.h in the generated code.
2908 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2909 (main): Forward declare struct rtx_def.
2911 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2913 * invoke.texi (-ffast-math): Remove duplicate line about
2916 * gcc.texi: Remove more obsolete documentation of bugs and
2917 installation problems.
2919 2001-03-21 Kazu Hirata <kazu@hxi.com>
2921 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2924 2001-03-20 Jason Merrill <jason@redhat.com>
2926 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2928 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2929 * varasm.c (CHKR_PREFIX): Likewise.
2931 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2933 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2934 is part of a multi-SET insn.
2936 * cse.c (find_comparison_args): Remove previous change.
2937 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2940 * config/i386/i386.md (conditional_trap): Remove warning.
2942 * recog.c (push_operand): Fix error in last change that caused
2943 undefined symbol on many targets.
2945 * sdbout.c: #include ggc.h.
2946 (sdbout_init): Move to end of file.
2947 Call ggc_add_tree_root for anonymous_types.
2948 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2949 (sdbout_one_type): Use DECL_NAME for field name.
2950 * Makefile.in (sdbout.o): Show includes ggc.h.
2952 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2954 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2955 (override_options): Use properlimits for preferred_stack_boundary.
2956 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2958 (ext_register_operand): Accept DImode.
2959 (load_pic_register): Abort on 64bit.
2960 (gen_push): Use Pmode instead of SImode.
2961 (ix86_save_reg): Pic reg is never used on 64bit.
2962 (ix86_expand_prologue): Likewise.
2963 (ix86_emit_save_regs): Use Pmode instead of SImode.
2964 (legitimate_address_p): Check displacement for 64bit.
2965 (print_operand): Avoid outputting of (%rip) on 64bit.
2966 (print_operand_address): Output (%rip) where possible.
2967 (split_di): Abort on 64bit registers.
2968 (ix86_expand_branch): DImode comparison is simple for x86_64.
2969 (memory_address_length): Recognize memory addresses formed using
2971 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2973 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2975 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2977 * recog.c (push_operand): Recognize new format of push instructions.
2979 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2981 * i386.md (pushqi1): New.
2982 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2983 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2984 x86_64_immediate_operand, x86_64_immediate_operand,
2985 x86_64_zext_immediate_operand): Declare.
2986 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2987 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2988 x86_64_immediate_operand, x86_64_immediate_operand,
2989 x86_64_zext_immediate_operand): define.
2990 * i386.h (PREDICATE_CODES): Add new predicates.
2992 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2994 * i386.md (pophi1, popqi1, pushqi1): Remove.
2996 * expr.c (emit_single_push_insn): New function.
2997 (move_by_pieces): Accept NULL as destination for push instructions.
2998 (gen_push_operand): Kill.
2999 (emit_push_insn): Pass NULL when pushing; avoid updating of
3000 stack_pointer_delta.
3001 * expr.h (gen_push_operand): Kill.
3003 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3005 * rtl.texi (COMPARE): Clarify documentation and reference section
3008 2001-03-20 Stan Shebs <shebs@apple.com>
3010 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
3011 (get_object_reference): Ditto.
3012 (error_with_ivar): Use error_with_file_and_line.
3013 (warn_with_method): Use warning_with_file_and_line.
3015 2001-03-20 Tom Tromey <tromey@redhat.com>
3017 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
3019 2001-03-20 Mark Mitchell <mark@codesourcery.com>
3021 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
3022 variables that are TREE_PUBLIC, even if not TREE_STATIC.
3024 2001-03-20 DJ Delorie <dj@redhat.com>
3026 * Makefile.in (install-libgcc): Pass complete list of variables.
3027 (install-multilib): Ditto.
3029 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3031 * config/i386/cygwin.h: Declare ctor_section, dtor_section
3032 drectve_section, switch_to_section.
3034 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
3035 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
3036 i386_pe_mark_dllimport.
3038 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
3040 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
3041 functions i386_pe_*.
3043 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
3044 i386_pe_* functions with char * arguments.
3046 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
3048 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
3050 (movsi_ie): Introduce fpul store.
3052 2001-03-20 Alan Modra <alan@linuxcare.com.au>
3054 * Makefile.in (OBJS): Remove hashtab.o.
3056 2001-03-19 Stan Shebs <shebs@apple.com>
3058 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
3059 * c-lang.c (maybe_objc_method_name): Ditto.
3060 * c-tree.h (maybe_objc_method_name): Remove decl.
3062 2001-03-19 Tom Tromey <tromey@redhat.com>
3064 * gcc.c (init_gcc_specs): Fix comment.
3066 2001-03-19 Mark Mitchell <mark@codesourcery.com>
3068 Compute DECL_ASSEMBLER_NAME lazily.
3069 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
3070 (DECL_ASSEMBLER_NAME_SET_P): New macro.
3071 (SET_DECL_ASSEMBLER_NAME): Likewise.
3072 (COPY_DECL_ASSEMBLER_NAME): Likewise.
3073 (set_decl_assembler_name): Declare.
3074 (lang_set_decl_assembler_name): Likewise.
3075 * tree.c (lang_set_decl_assembler_name): New variab.e
3076 (set_decl_assembler_name): New function.
3077 (init_obstacks): Set lang_set_decl_assembler_name.
3078 (build_decl): Don't set DECL_ASSEMBLER_NAME.
3079 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
3080 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
3081 where it's not necessary.
3082 (builtin_function): Likewise.
3083 (finish_decl): Likewise.
3084 * dbxout.c (dbxout_type_methods): Likewise.
3085 * ggc-common.c (ggc_mark_trees): Likewise.
3086 * profile.c (output_func_start_profiler): Likewise.
3087 * varasm.c (make_decl_rtl): Likewise.
3089 * cse.c (find_comparison_args): Update documentation. Fix
3090 mishandling of COMPARE operations.
3092 * tree.def (ABS_EXPR): Add documentation.
3093 * fold-const.c (fold): Improve folding of ABS_EXPRs.
3095 2001-03-19 Zack Weinberg <zackw@stanford.edu>
3097 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
3099 2001-03-19 Jakub Jelinek <jakub@redhat.com>
3101 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
3102 Remove ia32 linux PIC kludge and move it...
3103 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
3105 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
3107 * i386.md (absdf2 expander): Fix 64bit case.
3109 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
3111 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
3113 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
3115 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
3117 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3119 * README.X11: Remove obsolete file.
3121 2001-03-18 Anthony Green <green@redhat.com>
3123 * config/pj/pj.h: Remove some trailing commas.
3124 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3126 2001-03-18 Richard Henderson <rth@redhat.com>
3128 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3129 * calls.c: ... here.
3130 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3131 defaults for them here.
3133 2001-03-17 Anthony Green <green@redhat.com>
3135 * config/pj/lib1funcs.S: Fix broken comment.
3136 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3139 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3141 * gcc.texi: Remove obsolete information relating to build and
3142 installation problems with enquire or the Pyramid C compiler.
3144 2001-03-17 Richard Henderson <rth@redhat.com>
3146 * dwarf2out.c (queue_reg_save): New.
3147 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3148 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3150 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3151 (cfa, cfa_store, cfa_temp): Make static.
3152 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3154 2001-03-17 Richard Henderson <rth@redhat.com>
3156 * integrate.h (struct inline_remap): Add local_return_label.
3157 * integrate.c (expand_inline_function): Initialize it and emit
3158 it after copy_insn_notes.
3159 (copy_insn_list): Don't store local_return_label here.
3160 (copy_insn_notes): New function split out from copy_insn_list.
3162 2001-03-17 Richard Henderson <rth@redhat.com>
3164 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3165 is generating .debug_line.
3166 (dwarf2out_init): Add main_input_filename to the file table first.
3167 * configure.in (as_dwarf2_debug_line): Test with file number 1
3168 instead of file number 0.
3170 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3172 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3173 (gen_rtx_combine): Deleted; all references changed as appropriate.
3174 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3176 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3178 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3180 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3183 2001-03-16 Jim Wilson <wilson@redhat.com>
3185 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3186 then set it to LOC_REG (79) instead of aborting.
3188 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3190 * gccbug.in: Remove high priority.
3192 2001-03-16 Richard Henerson <rth@redhat.com>
3194 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3195 output with a space instead of deleting it.
3196 * configure: Regenerate.
3198 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3200 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3201 handles the gory details of converting an object file into
3202 something that's safe to grep.
3203 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3204 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3205 newlines at either end of the string we're looking for.
3206 Make 'checking ...' message less stilted.
3207 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3208 ARM in-memory layout and its hypothetical converse. Don't
3209 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3210 HOST_WORDS_BIG_ENDIAN.
3212 * configure.in: Adjust for renamed macro. Move
3213 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3214 * configure, config.in: Regenerate.
3216 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3218 * fixinc/Makefile.in: Set SHELL.
3220 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3222 * fixinc/fixincl.c (fix_with_system): Quote file names before
3223 passing them to shell.
3225 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3227 * Makefile.in: Use fix-header$(build_exeext) instead
3230 2001-03-16 Richard Henderson <rth@redhat.com>
3232 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3233 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3234 (size_of_line_prolog): Remove.
3235 (output_line_info): Compute prologue size via label difference.
3236 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3238 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3239 assembler error when redefining file numbers.
3240 * config.in, configure: Rebuild.
3242 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3243 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3244 (dw2_asm_output_delta_uleb128): Likewise.
3245 (dw2_asm_output_delta_sleb128): Similarly.
3246 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3248 2001-03-16 Michael Meissner <meissner@redhat.com>
3250 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3252 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3254 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3256 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3257 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3258 being unsigned in ISO C and signed in traditional.
3259 (expand_prologue): Ditto.
3260 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3262 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3264 (divsi3,divdi3): Ditto.
3265 (modsi3,moddi3): Ditto.
3266 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3267 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3268 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3271 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3273 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3274 SSE based conditional moves on LTGT/UNEQ conditions;
3275 Canonicalize EQ to NE.
3276 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3277 (sse_mov?fcc_ne): New.
3279 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3281 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3283 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3284 register may be dead.
3286 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3288 * Makefile.in (hash.o): Depend on CONFIG_H.
3290 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3292 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3294 2001-03-15 Richard Henderson <rth@redhat.com>
3296 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3297 (ASM_OUTPUT_DWARF_PCREL): New.
3298 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3300 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3302 * cppfiles.c (stack_include_file): Use MAX of sysp.
3304 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3306 * config.gcc (ia64*-*-hpux*): New case.
3307 * config/ia64/hpux.h: New file for HP-UX support.
3308 * config/ia64/t-hpux: New file for HP-UX support.
3310 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3312 * fixinc/inclhack.def (irix_stdio_va_list): New.
3313 * fixinc/fixincl.x: Rebuilt.
3315 2001-03-15 Richard Henderson <rth@redhat.com>
3317 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3318 if provided by the target.
3319 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3320 (dw2_asm_output_addr): New.
3321 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3322 * dwarf2out.c (output_cfi): Use it for program addresses.
3323 (output_call_frame_info, output_die): Likewise.
3324 (output_aranges, output_line_info): Likewise.
3326 2001-03-15 Bruce Korb <bkorb@gnu.org>
3328 * gcc.c(main): make more rigorous
3329 * collect2.c(main): guard against ignoring SIGCHLD
3330 * protoize.c(main): ditto
3331 * gcc/fixinc/fixincl.c(initialize): ditto
3333 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3335 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3336 (sdbout_parms): Likewise.
3338 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3340 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3341 "widen" a destination that is already wider than a word. Also do
3342 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3344 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3346 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3348 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3350 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3352 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3354 * i960.h (i960_maxbitalignment,
3355 i960_last_maxbitalignment): Declare.
3356 * i960.c (i960_maxbitalignment,
3357 i960_last_maxbitalignment): Make global.
3358 (process_pragma): Delete.
3359 (i960_pr_align, i960_pr_noalign): Move from here ...
3360 * i960-c.c: ... to this new file.
3361 * t-960bare (i960-c.o): New rule.
3362 * t-vxworks960 (i960-c.o): Likewise.
3363 * config.gcc (i960-*-*): Define c_target_objs and
3366 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3368 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3369 without adding in rtx code and mode.
3371 * alias.c (init_alias_analysis): Don't use any rtx whose value
3372 varies as a known value.
3373 Delete a superfluous test.
3375 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3377 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3378 scheduling a stop bit.
3379 (ia64_emit_nops): Correctly handle ASMs.
3381 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3383 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3385 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3387 * cpp.texi: Update documentation for -include and -imacros.
3388 * cppfiles.c (struct include_file): Remove "defined" memeber.
3389 (find_or_create_entry): Make a copy of the file name, and
3391 (open_file): Update to ensure we use the simplified filename.
3392 (stack_include_file): Don't set search_from.
3393 (cpp_included): Don't simplify the path name here.
3394 (find_include_file): New prototype. Call search_from to
3395 get the start of the "" include chain. Don't simplify the
3397 (_cpp_execute_include): New prototype. Move diagnostics to
3398 do_include_common. Update.
3399 (_cpp_pop_file_buffer): Don't set defined.
3400 (search_from): New prototype. Use the preprocessor's cwd
3401 for files included from the command line.
3402 (read_name_map): Don't simplify the pathname here.
3403 * cpphash.h (enum include_type): New.
3404 (struct buffer): Delete search from. New search_cached.
3405 (_cpp_execute_include): Update prototype.
3406 * cppinit.c (do_includes): Use _cpp_execute_include.
3407 * cpplib.c (do_include_common): New function.
3408 (do_include, do_include_next, do_import): Use it.
3410 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3412 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3413 contents of the RTL, to determine the name of the object.
3415 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3417 * tree.h (DECL_RTL): Allocate RTL lazily.
3418 (SET_DECL_RTL): New macro.
3419 (DECL_RTL_SET_P): Likewise.
3420 (COPY_DECL_RTL): Likewise.
3421 (DECL_RTL_IF_SET): Likewise.
3422 * varasm.c (make_decl_rtl): Add assertions about the kind of
3423 declaration we are processing.
3424 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3425 (start_decl): Likewise.
3426 (finish_decl): Likewise.
3427 * c-semantics.c (emit_local_var): Likewise.
3428 * calls.c (expand_call): Likewise.
3429 * dbxout.c (dbxout_symbol): Likewise.
3430 * emit-rtl.c (unshare_all_rtl): Likewise.
3431 (unshare_all_decls): Likewise.
3432 (reset_used_decls): Likewise.
3433 * expr.c (store_constructor): Likewise.
3434 (safe_from_p): Likewise.
3435 (expand_expr): Likewise.
3436 * function.c (put_var_into_stack): Likewise.
3437 (instantiate_decls_1): Likewise.
3438 (assign_parms): Likewise.
3439 (expand_function_start): Likewise.
3440 (expand_function_end): Likewise.
3441 * ggc-common.c (gcc_mark_trees): Likewise.
3442 * integrate.c (function_cannot_inline_p): Likewise.
3443 (copy_decl_for_inlining): Likewise.
3444 (expand_inline_function): Likewise.
3445 (integrate_parm_decls): Likewise.
3446 (integrate_decl_tree): Likewise.
3447 * print-tree.c (print_node): Likewise.
3448 * reg-stack.c (stack_result): Likewise.
3449 * stmt.c (label_rtx): Likewise.
3450 (expand_return): Likewise.
3451 (expand_decl): Likewise.
3452 (expand_decl_cleanup): Likewise.
3453 (expand_anon_union_decl): Likewise.
3454 * toplev.c (check_global_declarations): Likewise.
3455 (rest_of_decl_compilation): Likewise.
3456 * tree.c (simple_cst_equal): Likewise.
3457 * objc/objc-act.c (generate_static_references): Likewise.
3459 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3461 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3462 gcc_AC_C_FLOAT_FORMAT): New macros.
3463 * configure.in: Add AC_PROG_CPP after CC tests;
3464 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3465 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3466 * configure, config.in: Regenerate.
3468 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3469 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3470 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3471 config/i370/xm-linux.h, config/i370/xm-oe.h,
3472 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3473 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3474 config/pa/xm-linux.h, config/pa/xm-pa.h,
3475 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3476 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3477 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3478 config/we32k/xm-we32k.h: Delete.
3480 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3481 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3482 config/vax/xm-vms.h: Don't define any of:
3483 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3485 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3487 * config.gcc: Remove references to deleted files.
3488 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3489 FATAL_EXIT_CODE, which is the same between oe and mvs).
3491 2001-03-14 DJ Delorie <dj@redhat.com>
3492 Vladimir Makarov <vmakarov@redhat.com>
3494 * config/i960/i960.c (i960_function_prologue): Compute size of
3495 frame according to number of registers actually saved there.
3497 2001-03-14 Richard Henderson <rth@redhat.com>
3499 * expr.c (emit_move_insn_1): Fix else if around #endif.
3501 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3504 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3507 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3509 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3510 (override_options): Parse cmodel string.
3511 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3512 * i386.h (TARGET_OPTIONS): Add "cmodel".
3513 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3515 (ix86_cmodel_string, ix86_cmodel): Declare.
3517 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3520 * i386.h (GENERAL_REG_P): Add missing REG_P.
3522 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3524 * configure.in: Use $gcc_cv_as instead of $as.
3525 * configure: Regenerated.
3527 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3529 * cppfiles.c (stack_include_file): Only increase the include
3530 count if we actually process the file properly, as opposed
3531 to treating it as length zero. Only call read_include_file
3532 if not DO_NOT_REREAD. Handle the -H include file output
3534 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3535 (cpp_included, find_include_file): Simplify pathnames after
3536 remapping them. If remapping, don't use the remapped file
3537 name's buffer as our scratch buffer.
3538 (cpp_pop_file_buffer): Replace the multiple include macro
3539 only if it isn't yet set.
3540 (read_name_map): Simplify remapped names when reading in.
3541 (remap_filename): Move code to code path that uses it.
3542 (_cpp_simplify_pathname): Return the input pointer.
3543 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3545 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3547 * expr.c (expand_expr): Revove bogus conditional.
3549 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3551 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3553 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3555 * reg-stack.c (stack_result): Unconditionally use
3556 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3558 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3560 * expr.c (emit_move_insn_1): Split push of complex value when
3561 no suitable push instruction exist.
3563 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3564 instead of QI_REG_P.
3566 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3568 * alias.c (handled_component_p, can_address_p): New functions.
3569 (get_alias_set): Use them.
3571 2001-03-13 Jim Wilson <wilson@redhat.com>
3573 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3574 from 80 in try_locals code.
3575 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3577 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3579 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3580 gcc_AC_C_LONG_LONG): New.
3581 * configure.in: Use them. Probe the size of short, int, long,
3582 and long long/__int64 if we have them. Move all the AC_C_*
3583 checks together, except gcc_AC_C_CHAR_BIT which has to go
3584 after AC_CHECK_HEADERS(limits.h).
3585 Take hwint.h out of host_xm_file and build_xm_file.
3587 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3588 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3589 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3590 Move the HOST_WIDEST_INT setup logic here from system.h.
3591 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3593 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3594 is now handled by hwint.h.
3596 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3597 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3598 config/ia64/xm-ia64.h: Don't define any of:
3599 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3600 HOST_BITS_PER_LONGLONG.
3602 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3603 config/h8300/xm-h8300.h, config/mips/iris6.h,
3604 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3605 config/sparc/xm-sp64.h: Delete.
3606 * config.gcc: Remove references to deleted files.
3608 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3609 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3610 * config/i370/xm-linux.h: Clarify floating-point situation in
3613 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3615 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3616 (find_include_file): Decide here which part of the include
3617 chain to start the search. Complain about an empty include
3618 chain in all cases apart from an abolsute file name.
3619 (_cpp_execute_include): Don't choose the search chain here.
3620 Don't call handle_missing_include in the case of an empty
3622 (_cpp_compare_file_date): Don't choose the search chain here.
3623 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3624 here from _cpp_execute_include. Behave like #include if
3625 we're in the main file.
3627 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3629 * system.h (malloc, realloc, calloc, strdup): Only poison these
3630 tokens when IN_GCC is defined.
3632 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3634 * i386.md (abs?f expander): Support SSE case.
3635 (abd?f_if): Add new "USE"; add splitters.
3637 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3639 * cpp.texi (poison): Explain the macro expansion exception.
3641 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3643 * expr.c (store_expr): Add dont_store_target. If temp is already in
3644 target before copying to reg, don't store it into target again.
3646 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3648 * cppinternals.texi: Update for file handling.
3650 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3652 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3653 2001-02-24 which broke building the Java library.
3654 * function.c (identify_blocks): Likewise.
3655 (all_blocks): Likewise.
3656 * integrate.c (integrate_decl_tree): Likewise.
3657 * print-tree.c (print_node): Likewise.
3658 * tree.h (BLOCK_NUMBER): Likewise.
3659 (struct tree_block): Likewise.
3661 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3663 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3664 __WCHAR_TYPE__ definition.
3665 (WCHAR_TYPE_SIZE): #undef before #define.
3667 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3669 * cppfiles.c: Update comments.
3670 (destroy_include_file_node): Rename destroy_node.
3671 (find_or_create_entry): New function.
3672 (open_file, _cpp_fake_include): Use it.
3673 (handle_missing_header): New function, broken out of
3674 _cpp_execute include. Don't segfault if there is no
3675 system or quoted path.
3676 (_cpp_execute_include): Use handle_missing_header.
3678 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3680 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3681 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3683 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3685 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3686 unless anti_dependence says they are.
3687 * alias.c (objects_must_conflict): If neither has a type specified,
3690 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3691 David Billinghurst <David.Billinghurst@riotinto.com>
3693 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3695 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3697 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3698 (*_one_bit): Remove type on the match_operand in attributes.
3700 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3702 * i386.c: Commit forgotten hunk in previous patch.
3703 (regclass_map): Add extended registers.
3704 (dbx_register_map): Add missing frame register.
3706 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3708 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3710 * i386.md (x86_sahf_1): Disable for 64bit.
3711 (popsi*, pophi*): Likewise.
3712 (pushqi, pushhi): Likewise.
3713 (movdi, pushdi): Likewise.
3714 (zero extend DImode splitter): Likewise.
3715 (adddi, minusdi splitter): Likewise.
3716 (umulsidi): Likewise.
3718 (mulsidi): Disable for 64bit
3719 (lshift:DI/ashift:DI): Disable for 64bit.
3720 (loop patterns): Likewise.
3721 (call_pop, call_value_pop expanders and patterns): Likewise.
3722 (prologue_get_pc): Likewise.
3724 (fcmovDI pattern and splitter): Likewise.
3725 (movdfcc_1_rex64): New.
3727 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3729 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3730 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3731 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3732 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3733 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3734 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3735 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3736 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3737 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3738 (REGPARM_MAX): Set to 6 for x86_64.
3739 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3740 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3743 * (patterns that does use upper halves): Update constraints
3744 'q' to 'Q' and 'r' to 'R'.
3745 (cmpqi_ext_1): Disable for 64bit.
3746 (cmpqi_ext_3_insn): Likewise.
3747 (movqi_extzv_1): Likewsie.
3748 (addqi_ext_1): Liekwsie
3749 (testqi_ext_1): Liekwsie
3750 (andqi_ext_1): Liekwsie
3751 (xorqi_ext_1): Liekwsie
3752 (cmpqi_ext_1_rex64): New.
3753 (cmpqi_ext_3_insn_rex64): Likewise.
3754 (movqi_extzv_1_rex64): Likewsie.
3755 (addqi_ext_1_rex64): Liekwsie
3756 (testqi_ext_1_rex64): Liekwsie
3757 (andqi_ext_1_rex64): Liekwsie
3758 (xorqi_ext_1_rex64): Liekwsie
3760 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3762 * configure.in: Move check for unsigned enumerated bitfields
3763 to macro in aclocal.m4. Disable it for now.
3764 * configure, config.in: Regenerate.
3765 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3766 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3767 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3768 kind above its first use.
3770 * config/xm-interix.h, config/alpha/xm-alpha.h,
3771 config/i370/xm-linux.h, config/i386/xm-beos.h,
3772 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3773 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3774 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3775 Don't define ONLY_INT_FIELDS under any circumstances.
3777 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3779 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3780 config/sparc/xm-sysv4.h: Delete - now identical with some
3782 * config.gcc (hppa targets): Replace xm-pahpux.h and
3783 xm-papro.h with implicit xm-pa.h.
3784 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3787 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3789 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3790 before reload_cse_noop_set_p.
3792 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3794 * config.gcc: Where xm-host.h used to include another
3795 xm-host.h, list the nested header directly in xm_file. Remove
3796 references to deleted files. Can now use sparc/xm-sp64.h for
3799 * config/xm-linux.h, config/arm/xm-linux.h,
3800 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3801 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3802 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3803 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3804 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3807 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3808 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3809 bother to wrap #undef in #ifdef.
3810 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3811 Don't include xm-linux.h.
3812 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3814 * configure.in: Wrap regexps using [] in changequote block.
3815 Use expr : not echo | grep. Simplify regexps.
3816 * configure: Regenerate.
3818 56 xm-files remain, 22 xm-arch.
3820 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3822 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3823 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3824 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3825 (copy_object): Fix format specifier vs argument mismatch.
3827 * mips-tdump.c: Make local functions static.
3828 (rindex): Don't #undef.
3829 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3830 (fatal, fancy_abort): Delete.
3831 (read_seek): Avoid signed/unsigned compare.
3833 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3835 * combine.c (try_combine): Fix error in change to try original
3837 (gen_rtx_combine): Do same as gen_rtx for now.
3839 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3841 * configure.in: AC_SUBST xm_defines.
3842 * configure: Regenerate.
3843 * Makefile.in: Set DEFINES=$(xm_defines) when building
3846 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3848 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3849 (cpp_included, find_include_file): Update.
3850 (_cpp_compare_file_date): Make else unconditional.
3852 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3854 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3856 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3858 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3859 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3861 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3863 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3864 if it's a record type.
3866 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3868 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3869 mingw includes slightly.
3871 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3873 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3874 #undef token before poisoning it.
3876 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3878 * alpha.c (check_float_value): Use memcpy, not bcopy.
3880 * m32r.c (m32r_sched_reorder): Likewise.
3882 * vax.c (check_float_value): Likewise.
3884 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3886 * toplev.c (file_name_nondirectory): Remove.
3887 * toplev.h: Similarly.
3888 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3889 of file_name_nondirectory.
3891 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3893 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3894 * mips-tfile.c: Don't #undef rindex; not used.
3896 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3898 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3899 (dbx64_register_map): Declare.
3900 (RETURN_ADDR_RTX): Fix for 64bit.
3901 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3902 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3903 * i386.c (dbx64_register_map): New global array.
3904 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3905 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3908 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3910 * cppfiles.c (search_from): Use lbasename.
3911 * mkdeps.c (deps_add_default_target): Use lbasename.
3913 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3915 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3916 xcalloc in lieu of malloc, realloc & calloc.
3918 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3920 * gengenrtl.c (xmalloc): Likewise.
3922 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3923 really_call_* memory allocation routines.
3925 * stmt.c (check_for_full_enumeration_handling): Use
3926 really_call_calloc, not calloc.
3928 * system.h (really_call_malloc, really_call_calloc,
3929 really_call_realloc): Define.
3930 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3932 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3934 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3936 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3938 * configure: Rebuilt.
3939 * configure.in: Only use `lang_requires' for languages athat are
3942 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3944 * invoke.texi: Fix typo.
3945 * gcc.1: Regenerate.
3947 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3949 * configure.in: Prune nonexistent files from build_xm_file,
3950 xm_file, and host_xm_file lists. Warn unless they're
3952 Don't generate *config.h here.
3953 AC_SUBST all variables needed to generate *config.h.
3954 * configure: Regenerate.
3955 * mkconfig.sh: New helper script, from code removed from
3957 * Makefile.in: Zap all MALLOC variables - no longer used
3958 anywhere, and malloc.c doesn't exist.
3959 Substitute in variables needed to generate *config.h.
3960 Stop lying about the dependencies contained in CONFIG_H and
3962 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3963 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3964 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3965 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3966 $(TM_P_H), etc. as appropriate.
3968 * config.gcc: Zap references to deleted files.
3969 * ggc-none.c: Don't include rtl.h or tm_p.h.
3971 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3972 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3973 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3974 config/i386/xm-linux.h, config/i386/xm-linux.h,
3975 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3976 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3977 Don't include i386/xm-i386.h.
3979 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3980 config/i386/xm-i386.h, config/i860/xm-i860.h,
3981 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3982 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3983 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3984 Delete (empty except comments, #includes of other deleted
3985 files, and macros used nowhere).
3987 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3989 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3990 independent on TARGET_FLAGS.
3992 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3994 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3996 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3998 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
4000 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
4001 LAST_REX_SSE_REG): define.
4002 (enum reg_class): Add 'LEGACY_REGS'
4003 (REG_CLASS_CONTENTS): Likewise; add extended registers.
4004 (SSE_REGNO_P): Recognize extended registers.
4005 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
4006 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
4007 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
4008 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
4009 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
4010 REG_OK_FOR_STRREG_P): Remove.
4011 (HI_REGISTER_NAMES): Add extended registers.
4012 (ADDITIONAL_REGISTER_NAMES): Likewise.
4013 (QI_REGISTER_NAMES): Add 8bit extended registers.
4014 (DEBUG_REG): Support extended registers.
4015 * i386.c (regclass_map): Add extended registers.
4016 (dbx_register-map): Likewise.
4017 (svr4_dbx_register_map): Likewise.
4018 (print_reg): Support extended registers.
4019 (print_operand): Support 64bit operands.
4021 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
4023 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
4024 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
4025 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
4026 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
4027 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
4028 STACK_BOUNDARY): Set properly for 64bits.
4029 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
4030 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
4031 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
4032 (MOVE_MAX): Set to 16.
4033 (MOVE_MAX_PIECES): 8 for 64bit.
4034 (Pmode): Set to SImode.
4036 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
4038 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
4040 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
4042 * i386.h (mask_64bit): New constant.
4043 (target_64bit): New macro.
4044 (target_options): Add '64'/'32'
4045 (target_default): Define.
4046 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
4047 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
4048 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
4050 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
4052 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4054 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
4056 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4057 LO_SUM unless for_alias is set.
4059 2001-03-08 Stan Shebs <shebs@apple.com>
4061 * objc/objc-act.c: Fix old typos in comments, add comments for
4063 (hash_init): Fix file name in error message.
4064 (hash_enter): Ditto.
4065 (hash_add_attr): Ditto.
4066 (continue_class): Ditto.
4068 2001-03-08 Bruce Korb <bkorb@gnu.org>
4070 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4071 wait4() can receive the signal.
4073 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4075 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4077 * fixinc/fixincl.x: Regenerate.
4079 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4081 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4083 * fixinc/fixincl.x: Regenerate.
4085 2001-03-08 Richard Henderson <rth@redhat.com>
4087 * configure.in (HAVE_AS_LEB128): New assembler check.
4088 * configure, config.in: Rebuilt.
4090 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
4092 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
4095 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4097 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4098 references to the MAXPATHLEN macro.
4100 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
4101 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
4104 * config/i386/xm-gnu.h, config/xm-gnu.h,
4105 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
4106 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
4107 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
4108 and/or unused files.
4110 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
4111 doing so in various xm-*.h files.
4113 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4115 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4117 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4119 * configure.in (enable_shared): Support per-package shared-library
4121 * configure: Rebuilt.
4123 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4125 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4126 for crnot. Set operands[5] in splitter.
4128 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4130 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4131 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4132 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4133 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4134 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4135 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4136 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4139 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4140 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4141 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4142 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4143 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4144 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4145 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4146 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4147 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4148 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4149 Delete unused and/or empty files.
4151 * config.gcc: Define USG in xm_defines as appropriate. Define
4152 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4153 macro. Remove deleted xm-* files from $xm_files variable.
4155 2001-03-07 Tom Tromey <tromey@redhat.com>
4157 * configure: Rebuilt.
4158 * configure.in: Allow config-lang.in to set `lang_requires' to list
4159 of other required languages.
4161 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4163 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4165 (output_prologue): Use xmalloc not oballoc.
4166 (output_epilog): Free a29k_first_epilogue_insn when finished.
4167 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4169 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4171 * builtins.c (expand_builtin_mathfn): Check
4172 flag_unsafe_math_optimizations, not flag_fast_math.
4173 (expand_builtin): Likewise
4174 * combine.c (combine_simplify_rtx): Likewise.
4175 (simplify_if_then_else): Likewise.
4176 * cse.c (fold_rtx): Likewise.
4177 * flags.h: Remove flag_fast_math. Add
4178 flag_unsafe_math_optimizations and flag_trapping_math.
4179 * fold-const.c (negate_expr): Check
4180 flag_unsafe_math_optimizations, not flag_fast_math.
4181 (invert_truthvalue): Likewise.
4182 (fold): Likewise. Before associating operands, check that
4183 code == MULT_EXPR, not code != MULT_EXPR.
4184 * ifcvt.c (noce_try_minmax): Check
4185 flag_unsafe_math_optimizations, not flag_fast_math.
4186 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4187 * invoke.texi: Document -funsafe-math-optimizations and
4188 -fno-trapping-math. Change documentation for -ffast-math.
4189 * jump.c (reversed_comparison_code_parts): Likewise.
4190 (rtx_equal_for_thread_p): Likewise.
4191 * optabs.c (emit_conditional_move): Likewise.
4192 * simplify-rtx.c (simplify_binary_operation): Likewise.
4193 (simplify_relational_operation): Likewise.
4194 (simplify_ternary_operation): Likewise.
4195 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4196 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4197 Add trapping-math and unsafe-math-optimizations entries to f_options.
4198 (set_fast_math_flags): New, sets flags for -ffast-math.
4199 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4200 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4201 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4203 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4204 (alpha_emit_conditional_move): Initialize local_fast_math to
4205 flag_unsafe_math_optimizations, not flat_fast_math.
4206 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4207 instead of setting flag_fast_math to 1.
4208 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4210 * config/i386/i386.c (override_options): Likewise
4211 * config/i386/i386.md: Likewise.
4212 * config/m68k/m68k.md: Likewise.
4213 * config/mips/mips.md: Likewise.
4214 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4215 (rs6000_generate_compare): Likewise.
4217 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4219 * Makefile.in: Set RANLIB to @RANLIB@.
4222 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4224 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4225 * fixinc/fixincl.x: Regenerated.
4227 2001-03-07 Richard Henderson <rth@redhat.com>
4229 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4231 2001-03-07 Richard Henderson <rth@redhat.com>
4233 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4234 of block notes and exception handling notes.
4236 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4237 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4238 (compile_file): ... here.
4240 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4242 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4244 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4245 config.h now. Include libiberty.h to handle alloca.
4247 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4249 * c-parse.in (yylexname): New function, split out of _yylex.
4250 (objc_rid_sans_at): New table.
4251 (init_reswords): Initialize it.
4252 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4253 retrieving the next token and checking it for significance as
4254 an ObjC keyword or string constant.
4256 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4257 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4259 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4262 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4264 * config/m68k/m68k.c (const_uint32_operand): Accept any
4265 const_int on a 32-bit host.
4267 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4269 * objc/objc-act.c (init_objc): Set save_lang_status,
4270 restore_lang_status, and mark_lang_status.
4272 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4274 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4276 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4278 * cppinternals.texi: Update.
4280 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4282 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4283 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4284 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4285 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4286 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4287 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4288 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4289 config/i386/xm-i386.h, config/i860/xm-i860.h,
4290 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4291 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4292 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4293 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4294 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4295 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4296 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4297 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4298 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4299 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4300 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4301 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4302 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4303 match the defaults provided in hwint.h.
4305 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4306 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4308 * config.gcc (xm_file): Don't set to files which are deleted.
4310 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4311 guard this file against these macros being undefined.
4313 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4315 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4316 and DECL_DEFER_OUTPUT on the decl we create, before calling
4317 rest_of_decl_compilation.
4319 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4321 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4323 * configure, config.in: Regenerate.
4324 * config.gcc: Remove references to deleted files.
4326 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4327 genrecog.c, rtl.c: Do not use alloca anywhere.
4329 * Makefile.in, build-make, system.h, config/x-interix,
4330 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4331 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4332 config/arc/xm-arc.h, config/arm/xm-arm.h,
4333 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4334 config/h8300/xm-h8300.h, config/i370/x-oe,
4335 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4336 config/i386/x-ncr3000, config/i386/x-sco5,
4337 config/i386/xm-dgux.h, config/i860/x-sysv4,
4338 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4339 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4340 config/m68k/x-hp320g, config/m69k/x-mot3300,
4341 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4342 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4343 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4344 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4345 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4346 config/mips/x-iris, config/mips/x-iris3,
4347 config/mips/x-sni-svr4, config/mips/x-sysv,
4348 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4349 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4350 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4351 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4352 config/pa/xm-papro.h, config/romp/xm-romp.h,
4353 config/rs6000/x-aix31, config/rs6000/x-aix41,
4354 config/rs6000/x-beos, config/rs6000/x-lynx,
4355 config/rs6000/x-mach, config/rs6000/x-rs6000,
4356 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4357 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4358 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4359 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4360 config/vax/xm-vms.h: Eradicate all references to alloca and
4363 * config/xm-alloca.h, config/clipper/x-clix,
4364 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4365 config/i860/x-sysv3, config/m88k/x-sysv3,
4366 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4367 (contained only alloca related hacks).
4369 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4372 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4374 * invoke.texi: Document __FAST_MATH__.
4376 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4378 * crtstuff.c: Restore include of auto-host.h.
4380 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4382 Put main() in a separate file, so that the language
4383 front-end can use a different main().
4386 * toplev.c: (main): Rename as toplev_main.
4387 * toplev.h: Declare toplev_main.
4388 * Makefile.in (OBJS): add toplev.o.
4389 (BACKEND): remove toplev.o, add main.o.
4391 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4393 * cppfiles.c (search_from): Special case the empty string.
4395 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4397 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4398 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4399 strlen or strcpy; we already know the length.
4400 (_cpp_compare_file_date): Similarly.
4401 * cpphash.h (struct cpp_reader): Delete done_initialising.
4402 (CPP_PREV_BUFFER): Delete.
4403 * cppinit.c (cpp_start_read): Don't set done_initialising.
4404 * cpplex.c (parse_string): Guarantee null-termination.
4405 (_cpp_equiv_toklists): Remove.
4406 * cpplib.c (glue_header_name): Null-terminate.
4407 (do_line): Don't leak memory.
4408 * cpplib.h (BT_WEAK): Delete.
4409 * cppmain.c (cb_ident): Strings are now null-terminated.
4411 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4413 * gcc.c (convert_filename): Append executable suffix
4414 if NO_AUTO_EXE_SUFFIX is not defined.
4415 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4416 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4418 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4420 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4421 * c-parse.gperf, c-gperf.h: Delete.
4422 (c-gperf.h was accidently re-added to the CVS repo in the rev
4423 1.16 commit by tromey)
4425 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4427 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4428 macro arguments when looking for the '('.
4429 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4430 2 when really parsing arguments; 1 when looking for '('.
4431 Always restore the lexer position.
4433 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4435 * longlong.h (umul_ppmm): Don't use a multiline string.
4437 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4439 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4440 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4441 t_bool in declaration because pcc can't combine volatile with typedef
4444 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4446 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4447 until when it is really needed.
4448 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4449 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4450 * i386.md (float?i?f splitter): Don't force source operand to memory
4452 (sse_movdfcc): Fix constraint.
4453 (sse_movdfcc splitter): Handle properly the second alternative.
4455 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4457 * cpplex.c (parse_string): Unconditionally pedwarn.
4459 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4462 * cppexp.c (parse_number): Update.
4463 * cpplex.c (parse_string): Pedwarn if multiline string does not
4464 result from a system header's macro.
4465 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4466 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4467 for function-like macros too.
4468 * c-lex.c (lex_number): Update.
4470 2001-03-03 Richard Henderson <rth@redhat.com>
4472 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4474 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4476 * combine.c (try_combine): If split with mode-changed scratch
4477 register didn't work, try the original mode.
4479 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4481 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4482 * config/c4x/c4x.h: Likewise.
4483 * stor-layout.c (compute_record_mode): Likewise.
4484 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4486 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4488 * configure.in: Kill tm.h. Include the files in the $tm_file
4489 list in all three of config.h, hconfig.h, tconfig.h, after the
4490 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4491 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4492 * configure: Regenerate.
4493 * Makefile.in (clean): Don't delete tm.h.
4495 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4496 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4497 those are not defined, set SEC and FEC to 0 and 1.
4498 * gcc.texi: Update to match.
4500 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4501 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4502 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4503 Include tconfig.h, not tm.h.
4505 * config/xm-lynx.h, config/xm-std32.h,
4506 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4507 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4508 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4509 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4510 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4511 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4512 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4513 config/i386/xm-i386.h, config/i860/xm-i860.h,
4514 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4515 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4516 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4517 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4518 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4519 config/pa/xm-linux.h, config/pa/xm-pa.h,
4520 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4521 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4522 config/pj/xm-pj.h, config/romp/xm-romp.h,
4523 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4524 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4525 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4526 config/v850/xm-v850.h, config/vax/xm-vax.h,
4527 config/we32k/xm-we32k.h:
4529 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4531 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4532 config/i370/xm-oe.h: Don't include tm.h. Don't define
4534 * config/vax/xm-vms.h: Don't include tm.h.
4536 * config/xm-lynx.h, config/avr/xm-avr.h,
4537 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4538 Delete; made empty by above changes.
4539 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4540 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4541 Don't include config/xm-lynx.h or tm.h.
4543 * config/xm-gnu.h: Don't include fcntl.h.
4544 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4546 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4548 2001-03-02 Richard Henderson <rth@redhat.com>
4550 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4551 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4553 2001-03-02 Richard Henderson <rth@redhat.com>
4555 * Makefile.in (OBJS): Add dwarf2asm.o.
4556 * dwarf2asm.c, dwarf2asm.h: New files.
4557 * dwarf2out.c (*): Use them.
4558 (size_of_uleb128, size_of_sleb128): Remove.
4559 (output_uleb128, output_sleb128): Remove.
4560 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4561 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4562 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4563 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4564 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4565 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4566 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4567 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4568 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4569 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4570 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4571 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4572 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4573 (dwarf2out_frame_debug): Remove unused variables.
4574 (output_loc_operands): Don't abort on 8 byte constants if
4575 host integers are wide enough.
4576 (output_symbolic_ref): Remove.
4577 (size_of_die): Don't assume 4 byte host integers.
4578 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4580 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4581 something stupid with HOST_WIDE_INT to long truncation.
4582 [CONST_DOUBLE]: Likewise.
4584 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4585 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4586 * config/arm/unknown-elf.h: Likewise.
4587 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4588 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4589 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4590 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4591 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4592 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4593 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4594 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4595 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4596 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4597 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4598 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4600 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4602 * cselib.c (hash_rtx): Cast enums to unsigned int.
4604 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4606 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4607 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4609 * c-format.c (C_STD_VER): Cast to int for comparisons.
4610 (check_function_format): Cast various enums to int for &.
4611 (maybe_read_dollar_number): Likewise.
4612 (check_format_info): Likewise.
4613 (check_format_info_main): Likewise.
4614 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4615 (safe_from_p): Likewise.
4616 * varasm.c (const_hash): Cast enum to int for %.
4617 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4618 pcc enum problems with < and ++ operators.
4619 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4620 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4621 (regclass_init): Change enum class to int to iterate over reg_classes.
4622 * genrecog.c (merge_trees): Cast enums for comparison.
4623 * rtl.h (GET_CODE): Cast to enum rtx_code.
4624 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4625 (GET_MODE): Cast to enum machine_mode.
4626 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4627 (GET_NOTE_INSN_NAME): Cast enum to int.
4628 * tree.h (TREE_CODE): Cast to enum tree_code.
4629 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4630 * timevar.c (timevar_print): Change loop variable id from enum to
4632 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4633 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4634 * toplev.c (compile_file): Cast enum DFI to int.
4635 (decode_d_option): Likewise.
4637 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4639 * cppinit.c (append_include_chain): Mark "after" include file name list
4640 as a system directory.
4641 * cpp.texi: Document new behavior.
4643 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4645 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4647 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4649 * cppfiles.c (struct include_file): Update.
4650 (stack_include_file): Use search_from.
4651 (cpp_included, find_include_file): Update.
4652 (cpp_execute_include): Update. ptr->name may not be
4653 null terminated. Use the new search_from member variable
4655 (_cpp_compare_file_date): Similarly.
4656 (search_from): New function, similiar to actual_directory.
4657 (actual_directory): Delete.
4658 (remap_filename): Update. loc->name may not be null terminated.
4659 (struct file_name_list): Rename search_path. Update.
4660 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4661 search_from and dir.
4662 (struct cpp_reader): Remove actual_dirs.
4663 * cppinit.c (struct cpp_pending): Update for renamed objects.
4664 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4665 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4666 * cpplib.h (struct cpp_options): Similarly.
4668 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4670 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4671 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4672 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4673 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4674 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4675 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4676 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4677 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4678 config/i370/xm-oe.h, config/i386/xm-aix.h,
4679 config/i386/xm-i386.h, config/i386/xm-osf.h,
4680 config/i860/xm-i860.h, config/i960/xm-i960.h,
4681 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4682 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4683 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4684 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4685 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4686 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4687 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4688 config/pj/xm-pj.h, config/romp/xm-romp.h,
4689 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4690 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4691 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4692 config/v850/xm-v850.h, config/vax/xm-vax.h,
4693 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4694 Do not define TRUE or FALSE.
4696 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4697 empty by above change.
4698 * config.gcc: Remove references to these files.
4700 * configure.in: Detect stdbool.h.
4701 * configure, config.in: Regenerate.
4702 * system.h: Include stddef.h here if available.
4703 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4704 Then set up a sensible boolean type at the very end.
4706 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4707 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4709 * hash.h: Delete 'boolean' typedef and related #undefs.
4711 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4712 all uses of 'boolean' with 'bool'.
4714 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4716 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4717 * cppexp.c (lex): Cast enums for comparison.
4718 * cppinit.c (parse_option): Cast enum for comparison.
4719 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4720 (cpp_output_token): Likewise.
4721 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4722 (cpp_avoid_paste): Cast enums for minus and comparison.
4724 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4726 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4727 field to all array elements.
4729 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4731 * cpphash.h (struct cpp_reader): Add print_version field.
4732 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4733 just set print_version and other flags as appropriate.
4734 (cpp_post_options): Print version here if print_version is set.
4736 * toplev.c (exit_after_options): New flag.
4737 (independent_decode_option): Don't exit here; just set
4739 (main): Exit after calling lang_hooks.post_options if
4740 exit_after_options is true.
4742 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4743 (merge_include_chains): Adjust comment to match code.
4745 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4747 * stringpool.c (set_identifier): New function.
4748 * tree.h: Prototype it.
4750 * c-parse.in: Kill D_YES. If compiled for objc, call
4751 save_and_forget_protocol_qualifiers from init_reswords.
4752 * objc/objc-act.c (remember_protocol_qualifiers,
4753 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4754 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4756 (save_and_forget_protocol_qualifiers): New function.
4757 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4759 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4761 * c-semantics.c (prune_unused_decls): Return error_mark_node
4762 instead of (tree) 1 to stop traversing the tree chain.
4764 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4766 Fix a problem introduced by Kenner's Feb 18 change.
4767 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4768 flag_cse_skip_blocks only temporarily, not for ever.
4770 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4772 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4773 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4775 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4776 before determining its register class.
4778 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4780 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4781 from reg 4 if current_function_calls_setjmp.
4782 (gen_nop_type): New function.
4783 (ia64_emit_nops): New function.
4784 (ia64_reorg): Call it.
4785 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4787 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4788 code not to try to optimize adds with anything but a REG destination.
4790 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4791 (INSN_PRIORITY_KNOWN): New accessor macro.
4792 * haifa-sched.c (priority): Use it instead of testing priority against
4795 2001-02-28 DJ Delorie <dj@redhat.com>
4797 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4798 since that doesn't work the way gcc wants on a generic m68k.
4800 2001-02-28 Richard Henderson <rth@redhat.com>
4802 * caller-save.c (save_call_clobbered_regs): Fix typo in
4803 comparison last change.
4805 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4807 * i386.c (pentium4_cost): New.
4808 (m_PENT4): New macro.
4809 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4810 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4811 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4812 x86_memory_mismatch_stall): Add Pentium4
4813 (x86_use_q_reg, x86_use_any_reg): Kill.
4814 (override_options): Add pentium4.
4815 (incdec_operand): Return 0 for pentium4.
4816 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4817 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4818 (TARGET_PENTIUM4): Define.
4819 (enum processor_type): Add PROCESSOR_PENTIUM4.
4820 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4821 * i386.md (attribute "cpu"): Add pentium4.
4822 * invoke.texi (march): Add pentium4.
4824 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4826 * i386.md (sse_mov?fcc*): New patterns and splitters.
4827 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4828 the SSE based conditional moves.
4830 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4832 * i386.md (attribute mode): Add "TI".
4833 (movsf_1): Add pxor support; remove constant propagation splitter.
4834 (movdf_integer): Likewise.
4835 (movdf_nointeger): Likewise.
4836 (movxf constant prop splitter): Handle all modes; update for SSE.
4837 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4838 * i386.c (standard_80387_constant_p): Rewrite.
4839 (standard_sse_constant_p): New.
4840 * i386-protos.h (standard_sse_constant_p): New.
4842 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4844 * i386.md (sse_setccsf, sse_setccdf): New.
4845 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4847 * i386.c (sse_comparison_operator): Accept the supported unordered
4848 comparses; be ready for fast_math.
4849 (print_operand): Support 'D'.
4851 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4853 * jump.c (reversed_comparison_code): Kill.
4855 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4857 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4860 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4862 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4863 add missing '%' in constraints.
4865 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4867 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4868 for HOST_BITS_PER_WIDE_INT == 32 too.
4870 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4872 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4874 (insert_save, insert_restore): New parameter save_mode.
4875 (init_caller_save): Update initialization of reg_save_code
4876 and reg_restore_code.
4877 (save_call_clobbered_regs): Compute save_modes and update calls to
4878 reg_save_code and reg_restore_code.
4879 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4880 of spill; update use of reg_restore_code.
4881 (insert_save): Likewise.
4882 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4883 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4884 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4886 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4888 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4889 noce_try_store_flag_inc, noce_try_store_flag_mask,
4890 noce_try_cmove_arith):
4891 Use reversed_comparison_code instead of reverse_comparison and
4892 can_reverse_comparison_p.
4894 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4896 * jump.c (reversed_comparison_code_parts): Allow reversal of
4897 unordered compares in -ffast-math mode; reverse ordered compares
4898 for FP even w/o -ffast-math.
4900 2001-02-27 Richard Henderson <rth@redhat.com>
4902 * print-rtl.c (print_rtx) [i]: Don't print field five on
4903 NOTEs other than NOTE_INSN_DELETED_LABEL.
4905 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4907 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4908 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4910 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4912 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4913 even if walk_subtrees is 0.
4914 * c-semantics.c (prune_unused_decls): Return a non-null value to
4915 stop traversing the tree chain.
4917 2001-02-27 DJ Delorie <dj@redhat.com>
4919 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4920 register, *then* define it as the new CFA.
4922 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4924 * pa.c (override_options): Promote -fpic to -fPIC.
4925 (legitimize_pic_address): Simplify due to removal of
4926 small PIC as a code generation option.
4927 (secondary_reload_class): Similarly.
4928 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4929 (PRINT_OPERAND_ADDRESS): Similarly.
4930 * pa.md (various patterns): Similarly.
4931 (small pic lo_sum pattern): Remove.
4933 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4936 * md.texi (min, max): Document
4938 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4940 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4941 TARGET_PARTIAL_REG_DEPENDENCY.
4942 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4944 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4946 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4948 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4950 * mips.c (mips_make_temp_file): Fix thinko in last change.
4952 2001-02-26 Jason Eckhardt <jle@redhat.com>
4954 * combine.c (known_cond): Do not reverse the condition when
4955 SMAX/UMAX is being considered and the condition is for equality
4958 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4960 2001-02-26 Philip Blundell <philb@gnu.org>
4962 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4964 * config/arm/linux-elf.h: Remove historical relics related to
4965 above configurations.
4966 * config/arm/linux-oldld.h: Delete.
4967 * config/arm/linux-elf26.h: Delete.
4969 2001-02-26 Jason Merrill <jason@redhat.com>
4971 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4973 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4974 recognize a tentative definition. Lose obsolete code.
4976 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4977 variables unless necessary, either.
4979 2001-02-25 Richard Henderson <rth@redhat.com>
4981 * ifcvt.c (struct noce_if_info): Add test_bb.
4982 (noce_get_alt_condition): New.
4983 (noce_try_minmax, noce_try_abs): New.
4984 (noce_operand_ok): New.
4985 (noce_process_if_block): Use them.
4986 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4988 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4990 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4993 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4995 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4996 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4998 (mips_asm_file_end): Free temp_filename here.
5000 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5002 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5003 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5005 * config/i386/i386.md (movstrsi): Handle FAIL case.
5007 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
5009 * cppinit.c (builtin_array): Update.
5010 (init_builtins): Flag builtins to warn if redefined or
5011 undefined. Define __GXX_WEAK as a normal macro.
5012 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5013 * cpplib.h (NODE_WARN): New flag.
5014 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5015 Handle __STDC__ as a builtin only on Solaris.
5016 (warn_of_redefinition): Renamed from check_macro_definition.
5017 Reverse sense of test. Always warn if NODE_WARN.
5018 (_cpp_create_definition): Use warn_of_redefinition. Flag
5019 any macro beginning with "__STDC_" to require a mandatory
5020 warning if redefined or undefined.
5022 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5024 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
5025 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
5026 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
5027 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
5028 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
5029 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
5030 Don't define any of:
5031 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
5032 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
5033 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
5034 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
5035 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
5037 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
5038 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
5041 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
5042 Delete now-empty file.
5044 * alpha/vms.h: Define NEED_ATEXIT here...
5045 * alpha/xm-vms.h: ...not here.
5047 * i386/cygwin.h: Don't define PARAMS.
5048 * mips/mips.c: Don't prototype mktemp. Don't define
5049 P_tmpdir. Use make_temp_file to create temporary files.
5050 Don't be clever and delete temporary files early.
5051 * config.gcc: Drop references to deleted files. Don't define
5053 * gcc.texi: Don't mention USE_PROTOTYPES.
5055 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5057 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5058 (ix86_set_move_mem_attrs_1): Likewise.
5059 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5060 * config/i386/i386.md (movstrsi): Call it.
5062 2001-02-24 Zack Weinberg <zackw@stanford.edu>
5064 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
5065 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
5066 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
5067 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
5069 (i750a-*-*): Error here if hosting on i750a.
5070 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
5072 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
5073 Remove (empty modulo comments).
5075 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
5076 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
5077 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
5078 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
5079 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
5080 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
5082 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
5083 Remove reference to winnt.h in comment.
5084 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
5086 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5088 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5089 used to set another biv.
5091 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5093 * tree.h (BLOCK_DEAD): New macro.
5094 (struct tree_block): New flag, dead_flag.
5095 * print-tree.c (print_node, case 'b'): Print missing fields.
5096 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
5097 * function.c (identify_blocks): Enable test for misplaced notes.
5098 (all_blocks): Skip BLOCK_DEAD blocks.
5099 * integrate.c (integrate_decl_tree): Likewise.
5101 * errors.c (internal_error, trim_filename): New functions.
5102 (fancy_abort): Call internal_error.
5103 * errors.h (internal_error, trim_filename): New declarations.
5105 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5107 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5109 (EXTRA_CONSTRAINT): Formatting changes.
5111 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5113 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5115 2001-02-23 Per Bothner <per@bothner.com>
5117 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5118 so they can be called from java/jvspec.c.
5119 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5121 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5123 * i386.c (ix86_frame): New structure.
5124 (ix86_compute_frame_size): Kill.
5125 (ix86_compute_frame_layout): New.
5126 (ix86_save_reg): New.
5127 (ix86_can_use_return_insn_p): Use frame layout stuff.
5128 (ix86_expand_prologue): Likewise.
5129 (ix86_expand_epilogue): Likewise.
5130 (ix86_initial_elimination_offset): Likewise.
5131 (ix86_nsaved_regs): Use ix86_save_reg.
5132 (ix86_emit_save_regs): Likewise.
5134 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5136 * flow.c (find_sub_basic_blocks): New function.
5137 (split_block): Be ready for basic block introduced by CODE_LABEL.
5138 (commit_one_edge_insertion): Call find_sub_basic_block.
5140 * flow.c (make_edges): Add edge from entry for blocks starting with
5141 label having ALTERNATE_NAME
5143 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5145 * function.c (epilogue_done): Be ready for first basic block not
5146 containing PROLOGUE_END note.
5147 (reposition_prologue_and_epilogue_notes): Avoid placing
5148 PROLOGUE_END note between BASIC_BLOCK.
5150 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5152 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5154 2001-02-21 DJ Delorie <dj@redhat.com>
5156 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5157 check for current_function_has_nonlocal_goto from 1999-11-12.
5159 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5161 * diagnostic.c (trim_filename): No longer static.
5162 * toplev.h (trim_filename): Declare.
5163 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5164 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5165 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5166 (rtvec_check_failed_bounds): Likewise.
5167 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5169 * convert.c (convert_to_integer): Don't do unsigned unless result or
5170 both inputs are unsigned.
5172 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5175 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5177 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5179 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5181 * Makefile.in (resource.o): Add params.h dependence.
5182 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5183 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5184 * resource.c: Add dependence on params.h.
5185 (current_live_regs): Fix explanatory comment.
5186 (find_basic_block): Add new parameter to permit limiting search
5188 (mark_target_live_regs): Add new argument to find_basic_block call.
5189 (incr_ticks_for_insn): Likewise.
5191 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5193 * diagnostic.c (output_to_stream): Rename to
5194 output_buffer_to_stream. Loses the stream parameter.
5195 (init_output_buffer): Set diagnosic_buffer's stream.
5196 (flush_diagnostic_buffer): Adjust.
5197 (default_print_error_function): Likewise.
5198 (finish_diagnostic): Likewise.
5199 (verbatim): Likewise.
5201 * diagnostic.h (struct output_buffer): Add `stream' field.
5202 (output_buffer_attached_stream): New macro.
5204 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5206 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5207 check if either operand is divisible by C.
5208 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5209 If type is signed, consider negative numbers as well.
5211 2001-02-22 Richard Henderson <rth@redhat.com>
5213 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5214 reach .text instead of gp-relative relocs.
5215 * config/ia64/crtend.asm (.init): Likewise.
5217 2001-02-22 Andreas Jaeger <aj@suse.de>
5219 * extend.texi (C++ Attributes): Fix typo.
5221 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5223 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5224 functions, drop current_function_args_info.words test.
5225 (ia64_compute_frame_size): Mark syscall_linkage functions as
5226 using eight input registers.
5228 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5229 Bruce Korb <bkorb@gnu.org>
5231 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5232 * fixinc/README: Document how to convert sed substitutions
5233 to format style c_fix-es.
5234 * fixinc/fixincl.x: regen
5236 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5238 * gcc.c: Add comment explaining how to add a command-line option.
5239 Add title to specs language comment.
5241 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5243 * gcc.c (cc1_options): Add "-param".
5244 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5245 (option_map): Likewise.
5246 * toplev.c (display_help): Add entry for "--param".
5247 (independent_decode_option): Fix typographical error.
5249 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5250 Bernd Schmidt <bernds@redhat.com>
5251 Jan Hubicka <jh@suse.cz>
5253 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5254 (function_arg): Likewise.
5256 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5258 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5260 2001-02-21 Kazu Hirata <kazu@hxi.com>
5262 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5266 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5268 * flow.c (init_propagate_block_info): Canon address and use single_set
5269 for killing dead memory stores.
5271 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5273 * Makefile.in (reorg.o): Add params.h dependence.
5274 * params.def: Fix typographical error in comment.
5275 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5276 * params.h: Modify introductory comment.
5277 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5278 * reorg.c: Add dependence on params.h.
5279 (redundant_insn): Add parameterized throttle for search.
5280 (fill_simple_delay_slots): Add a comment explaining a variable.
5281 Move conditional out of loop, simplifying code.
5282 (fill_eager_delay_slots): Fix typographical error in comment.
5284 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5286 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5288 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5289 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5291 2001-02-21 Jason Merrill <jason@redhat.com>
5293 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5294 (struct tree_decl): Add uninlinable bitfield.
5295 * c-decl.c (duplicate_decls): Set it.
5296 * integrate.c (function_cannot_inline_p): Check it.
5298 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5299 DW_AT_MIPS_linkage_name to abstract methods.
5300 (dwarf2out_abstract_function): Emit class context before calling
5301 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5302 (gen_subprogram_die): Remove obsolete code.
5303 (gen_member_die): Don't include clones in the member list.
5304 (gen_decl_die): Emit abstract info for clone origin.
5305 * dwarfout.c (output_type): Don't include clones in the member list.
5306 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5307 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5308 DECL_ABSTRACT on a function that already has it set.
5310 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5311 (get_subprogram_die): Pass it in.
5313 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5315 * flow.c (mark_set_1): Make not_dead unsigned long. For
5316 non-pseudos, use it as a bitmask of the hard regs that
5319 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5321 * cppfiles.c: Update comments.
5322 (_cpp_read_file): Don't check for NULL filenames any more.
5323 * cppinit.c (cpp_start_read): Don't do canonicalization of
5324 in_fname and out_fname. Use the passed file name exclusively.
5325 (_cpp_handle_options): Don't treat "-" as a command line option,
5326 but as a normal filename.
5327 (_cpp_post_options): Canonicalize in_fname and out_fname.
5328 * cppmain.c (printer_init): Don't check out_fname for NULL.
5329 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5330 (init_c_lex): Update, and use "" to represent stdin to CPP.
5333 2001-02-20 Will Cohen <wcohen@redhat.com>
5335 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5336 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5337 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5340 2001-02-20 Stan Shebs <shebs@apple.com>
5342 * config/rs6000/rs6000.c (output_cbranch): Output branches
5343 on separate lines instead of using ';' to separate.
5345 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5347 * cppinit.c (set_lang): Move builtin handling to...
5348 (init_builtins): ...here.
5349 (_cpp_create_reader): Move call to set_lang.
5351 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5353 * stmt.c (expand_return): If an attempt is made to return the
5354 error_mar_node, treat the return like a return without a value.
5356 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5358 * sibcall.c (skip_copy_to_return_value): Call
5359 identify_call_return_value here, and return orig_insn if it
5360 returns zero. Hardret and softret arguments now unnecessary.
5361 (call_ends_block_p): Don't call identify_call_return_value here.
5363 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5365 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5366 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5368 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5370 * pa.c (move_operand): Accept code to load the address of a
5371 symbol out of the DLT as a valid move operand.
5372 (print_operand, case 'A'): New to handle generating a DLT
5373 reference for a LO_SUM expression.
5374 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5375 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5377 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5379 * README, cpp.texi, gcc.texi, version.c: Update version number to
5381 * cpp.1, gcov.1, gcc.1: Regenerate.
5383 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5385 * cppfiles.c (stack_include_file): Generate dependencies
5386 here, and manage include_count here too.
5387 (PRINT_THIS_DEP): Delete.
5388 (_cpp_execute_include): Do not generate dependencies here,
5389 apart from the case of a missing header. Do not manage
5391 (_cpp_read_file): Leave dependency generation to
5394 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5396 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5397 target_cpu_default. Remove dead assignment to
5400 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5402 * regclass.c (contains_reg_of_mode): Make global.
5403 (init_reg_sets): Remove contains_reg_of_mode; take into account
5404 CLASS_MAX_NREGS when looking for the proper mode.
5405 (dump_regclass): Dump only classes considered for the pseudo.
5406 (regclass): Use contains_reg_of_mode.
5408 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5410 * gcc.c (do_spec_1): 'n' for printing notices.
5411 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5413 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5415 * reg-stack.c (next_flags_user): Use current_block->end
5416 (swap_rtx_condition): Look for next user if flags don't die;
5417 give up on CALL_INSNs; use current_block->end.
5419 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5421 * sibcall.c (call_ends_block_p): New function.
5422 (optimize_sibling_and_tail_recursive_call): Use it.
5424 2001-02-18 Kazu Hirata <kazu@hxi.com>
5426 * config/h8300/h8300.md: Update copyright.
5427 (andsi3): Do not output an extra newline character.
5429 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5431 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5432 FNDECL may be unused.
5434 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5435 follow jumps after first run.
5436 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5437 it doesn't change any jumps.
5439 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5441 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5442 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5443 (mostlyclean): Corresponding changes.
5444 * rtlanal.c (hard-reg-set.h): Include.
5445 (rtx_unstable_p): Do not treat the argument pointer specially
5446 if it is not a fixed register.
5447 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5449 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5451 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5452 against last real insn in basic block.
5453 Rework to avoid gotos.
5455 * Makefile.in (gcse.o): Now includes ggc.h.
5456 * gcse.c: Include ggc.h.
5457 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5458 (try_replace_reg): Remove warning of uninitialize variable.
5459 (process_insert_insn): Call invalid_insn_p to validate insn.
5460 * recog.c (insn_invalid_p): Now global.
5461 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5462 * recog.h (insn_invalid_p): New declaration.
5464 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5466 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5467 assignments from FP constants since 'Y' output code can't handle it.
5468 (eligible_for_sibcall_delay): Likewise.
5470 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5471 Call fancy_abort directly, passing args.
5472 (print_rtl_and_abort): Now a macro, like fancy_abort.
5474 * final.c (output_operand_lossage): Use internal_error, not error.
5476 2001-02-18 Shane Nay <shane@agendacomputing.com>
5478 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5479 structure shift insns.
5481 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5483 * invoke.texi (-fsquangle): Remove documentation.
5484 (-fname-mangling-version): Likewise.
5486 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5488 * optabs.c (expand_abs): Remove reference to
5489 HAVE_contitional_arithmetic.
5490 * combine.c (simplify_set): Likewise.
5492 2001-02-18 Richard Henderson <rth@redhat.com>
5494 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5497 2001-02-18 Richard Henderson <rth@redhat.com>
5499 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5501 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5503 * reload1.c (reload_cse_simplify_set): Fix typo.
5505 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5507 * diagnostic.c (_fatal_insn): Decrement errorcount.
5509 * invoke.texi (-I): Add note avoiding use for system header files.
5511 * rtl.h (add_clobbers): Remove duplicate declaration.
5512 * recog.h (added_clobbers_hard_reg_p): New declaration.
5513 * genemit.c (struct clobber_pat): New field has_hard_reg.
5514 (gen_insn): Record if added clobbers clobber hard reg.
5515 (gen_split): Avoid unused warning if number of operands is 0.
5516 (output_added_clobbers_hard_reg_p): New function.
5519 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5521 * pa.c (hppa_expand_prologue): Simplify code storing return
5522 pointer. For large (>=8k) frames with a post_store, adjust stack
5523 pointer by 8k-64 first rather than by 64. When testing with
5524 VAL_14_BITS_P, always use the actual value rather than the value
5525 negated. Add blockage to prevent scheduling of spills before
5526 stack frame has been created.
5527 (hppa_expand_epilogue): Simplify code loading return pointer.
5528 Allow a slightly larger range for merge_sp_adjust_with_load case.
5529 When testing with VAL_14_BITS_P, always use the actual value.
5531 * pa.c (pa_adjust_insn_length): Check that block move
5532 pattern is a set before looking at operands.
5534 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5536 * fold-const.c (fold_binary_op_with_conditional_arg): New
5537 function, split out from ...
5539 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5540 conditional arms that throw exceptions.
5542 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5545 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5547 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5548 define HAVE_DECL_* to 1 to mask potential backup declarations.
5549 * configure: Regenerated.
5551 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5553 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5555 2001-02-17 Richard Henderson <rth@redhat.com>
5557 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5558 when replacing a memory load with a register.
5560 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5561 Jan Hubicka <jh@suse.cz>
5563 * recog.c (validate_replace_src_1): New.
5564 (validate_replace_src_data): Likewise.
5565 (validate_replace_src): Use note_uses.
5566 * rtl.h (note_uses): Declare.
5567 * rtlanal.c (note_uses): New.
5569 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5571 * reg-stack.c (stack_def): Make field reg unsigned.
5572 (remove_regno_note): Unsignetize parameter.
5574 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5576 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5577 shladd_operand() call.
5579 2001-02-16 Bruce Korb <bkorb@gnu.org>
5580 Rodney Brown <RodneyBrown@mynd.com>
5582 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5583 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5584 machine restrictions
5585 * fixinc/fixincl.x: regen
5587 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5589 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5591 (hash_scan_insn): Clean up calls to hash_scan_set.
5592 (compute_kill_rd): REGNO now unsigned.
5593 (try_replace_reg): Rework to use simplify_replace_rtx.
5594 (cprop_jump, cprop_cc0_jump): Likewise.
5595 (cprop_insn): Call find_reg_equal_equiv_note.
5596 Reflect changes to cprop_jump and cprop_cc0_jump.
5598 * recog.c (validate_replace_src): Replace in operands of
5599 ZERO_EXTRACT in SET_DEST.
5601 * cse.c (new_label_ref): New variable.
5602 (insert): Set it instead of recorded_label_ref.
5603 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5604 CODE_LABEL for this function, and not already in REG_LABEL note.
5606 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5608 * resource.c (mark_referenced_resources): Fix typo in introductory
5610 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5613 2001-02-16 Jason Merrill <jason@redhat.com>
5615 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5617 (gen_subprogram_die): Don't abort on seeing a second definition if
5618 the previous one was abstract. Don't replace an abstract instance
5619 in the lookup table.
5621 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5622 gen_abstract_function.
5623 * dwarf2out.h: Declare it.
5624 * toplev.c (note_outlining_of_inline_function): New fn.
5625 * toplev.h: Declare it.
5626 * integrate.c (output_inline_function): Call it.
5627 * c-decl.c (duplicate_decls): Call it when redefining an extern
5628 inline. Don't inline the new defn.
5630 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5632 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5634 * .gdbinit: Rename to gdbinit.in.
5635 * gdbinit.in: New file,
5636 * configure.in: Generate .gdbinit from gdbinit.in.
5637 * configure: Regenerated.
5638 * Makefile.in (distclean): Always remove .gdbinit.
5640 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5642 * objc/objc-act.c (start_class): Register implemented_classes with
5645 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5647 * cppfiles.c (_cpp_make_system_header): Generate a file
5650 2001-02-15 Jim Meyering <meyering@lucent.com>
5652 * Makefile.in (install-common): Don't depend on installdirs here.
5653 Instead, make each of the lang.install-common targets (e.g.,
5654 c++.install-common in cp/Make-lang.in) depend on it.
5655 (install-driver): Depend on installdirs.
5657 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5659 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5661 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5664 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5666 * invoke.texi (--param): Document.
5668 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5670 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5672 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5674 * i386.md (extendsfdf2_2): Fix constraints.
5676 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5678 * i386.md (fop_df_3 splitter): Fix operand number.
5680 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5682 * invoke.texi (-mreg-alloc): Nuke.
5683 * i386.c (ix86_reg_alloc_order, regs_allocated,
5684 order_regs_for_local_alloc): Nuke.
5685 (override_options): Kill reg_alloc code.
5686 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5687 (REG_ALLOC_ORDER): SSE goes before I387.
5688 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5689 (ix86_reg_alloc_order): Likewise.
5690 * i386-protos.h (ix86_reg_alloc_order): Kill.
5692 2001-02-14 Richard Henderson <rth@redhat.com>
5694 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5696 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5698 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5700 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5702 * i386-protos.h (ix86_memory_move_cost): Move offline.
5703 * i386.c (ix86_register_move_cost): Compute properly cost of
5704 SSE, MMX and i387 instructions.
5705 (*_cost): Add costs of SSE/MMX moves.
5706 (ix86_memory_move_cost): Move offline from ....; Likewise.
5707 * i386.h (MEMORY_MOVE_COST): .... here;
5708 (struct processor costs): Add new fields to represent costs
5711 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5713 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5714 move_cost together with Matt Kraai's fix.
5716 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5718 * Makefile.in (OBJS): Add params.o.
5720 2001-02-14 Richard Henderson <rth@redhat.com>
5721 DJ Delorie <dj@redhat.com>
5723 * jump.c (jump_optimize_1): When we delete a conditional jump
5724 preceeding a non-conditional jump to effectively the same place,
5725 make sure that the combined jump skips any clobber insns between
5728 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5730 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5732 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5734 * Makefile.in (toplev.o): Depend on params.h.
5735 (intergate.o): Likewise.
5736 (params.o): New target.
5737 * flags.h (inline_max_insns): Remove.
5738 * integrate.c: Include params.h.
5739 Use MAX_INLINE_INSNS instead of inline_max_insns.
5740 * params.c: New file.
5741 * params.h: Likewise.
5742 * params.def: Likewise.
5743 * toplev.c: Include params.h.
5744 (lang_independent_params): New variable.
5745 (decode_f_option): Use the param machinery instead of setting
5747 (independent_decode_option): Handle "--param name=value".
5748 (main): Register language-independent parameters.
5750 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5752 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5754 2001-02-14 Richard Henderson <rth@redhat.com>
5756 * regclass.c (init_reg_sets_1): Revert last two changes.
5758 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5760 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5761 (variable_size): Call put_pending_size.
5762 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5763 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5764 sizes list, put newly created SAVE_EXPR there as well.
5766 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5768 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5769 (errata_find_address_regs): load_group has only 2 entries.
5770 (errata_emit_nops): Likewise. shladd is not problematic.
5771 Clear last_group if nop was emitted.
5772 (fixup_errata): load_group has only 2 entries.
5775 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5777 * c-lex.c (lex_number): Only warn traditionally for U suffix
5778 outside system macros.
5779 * cppexp.c (parse_number): Similarly.
5780 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5781 * cppmacro.c (struct cpp_macro): New member node.
5782 (parse_args): Only warn about missing rest args if not
5784 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5785 (cpp_sys_objmacro_p): New.
5786 (_cpp_create_definition): Store the node with the macro defn.
5787 Remember if the macro is defined in a system header.
5789 2001-02-13 DJ Delorie <dj@redhat.com>
5791 * configure.in (check_languages): determine languages to check
5792 * Makefile.in (check-c++): alias for check-g++
5793 (check-f77): alias for check-g77
5794 (CHECK_TARGETS): depend on configured languages
5796 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5798 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5799 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5800 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5801 (sqrtextendsfdf2): Disable for SSE2.
5803 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5805 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5806 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5807 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5808 (sqrtextendsfdf2): Disable for SSE2.
5810 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5812 * i386.md (movsfcc_1): Support integer cmove instruction.
5813 (movdfcc_1): Likewise; new splitter.
5815 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5817 * i386.c (output_fp_compare): Support SSE.
5818 (prepare_fp_compare_args): SSE comparisons always support memory.
5819 * i386.h (TARGET_CMOVE): SSE imply cmove.
5820 * i386.md (cmp?f2): Enable for SSE too.
5821 (cmpfp_i*): Support SSE.
5823 (cmpfp_i_sse_only): New.
5824 (s*, b* fp expanters): Enable for SSE too.
5825 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5828 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5830 * regclass.c (init_reg_sets_1): Silence warning.
5832 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5834 * i386.md (sqrt?f2): Change to expander.
5835 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5837 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5839 * rtlanal.c (find_reg_equal_equiv_note): New function.
5840 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5841 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5842 * rtl.h: Add declarations for above functions.
5844 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5846 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5848 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5849 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5850 * flow.c (mark_regs_live_at_end): Likewise.
5851 (calculate_global_regs_live): Likewise.
5852 * gcse.c (compute_hash_table): Likewise.
5853 (compute_kill_rd): Likewise.
5854 * resource.c (mark_target_live_regs): Likewise.
5855 * rtl.h (INVALID_REGNUM): New macro.
5857 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5859 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5861 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5863 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5866 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5868 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5870 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5871 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5872 (fop_sf_1_sse, fop_df_1_sse): New patterns
5873 (fop_*): Disable float_extend and float patterns for SSE compilation.
5874 * i386.c (output_387_binary_op): Support SSE.
5876 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5878 * i386.md (dummy_extendsfdf2): Support SSE2
5879 (extendsfdf2): Enable if 80387 or SSE2.
5880 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5881 and no MIX_I387_SSE2
5882 (extendsfdf2_1_sse_only): New pattern.
5883 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5885 (truncdfsf2_1): Support SSE.
5886 (truncdfsf2_2): Support SSE.
5887 (truncdfsf2_2_1_sse): New pattern.
5888 (fixtruncsfsi2): Always use SSE if available.
5889 (fix_truncsfsi_sse): New pattern.
5890 (fix_truncdfsi_sse): New pattern.
5891 (floatsis?f2): Support SSE.
5892 (floatsidf2_i387): New pattern.
5893 (floatsidf2_sse): Likewise.
5895 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5897 * configure.in: Use "have_gnat" variable, not "gnat".
5898 * configure: Regenerated.
5900 * config/sparc/sparc.c (function_value): Treat all non-record
5901 aggregate types like used to treat UNION_TYPE.
5903 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5905 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5906 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5908 (MASK_MIX_SSE_I387): New.
5909 (TARGET_SSE): SSE2 imply SSE.
5910 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5911 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5912 (enum reg_class): Add new classes.
5913 (REG_CLASS_NAMES): Likewise.
5914 (REG_CLASS_CONTENTS): Likewise.
5915 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5916 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5917 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5918 (CLASS_MAX_NREGS): Use new macros.
5919 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5920 * i386.md (pushsf, movsf): Support SSE.
5921 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5922 splitters to use ANY_FP_REGNO_P.
5923 (movdf_nointeger, movdf_integer): Likewise.
5925 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5927 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5928 (try_combine): Use it.
5930 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5932 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5933 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5934 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5935 (REGISTER_MOVE_COST): Likewise.
5936 * i386-protos.h (ix86_secondary_memory_needed,
5937 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5938 * i386.c (ix86_secondary_memory_needed,
5939 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5941 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5943 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5944 (HARD_REGNO_MODE_OK): Move offline to ....
5945 * i386.c (ix86_hard_regno_mode_ok) ... here;
5946 refuse all incorrect modes.
5947 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5949 2001-02-13 Richard Henderson <rth@redhat.com>
5951 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5952 entire operator; replicate that and match_dup the operands.
5953 (cmp_ccx_arith_op_set): Likewise.
5954 (cmp_cc_arith_op_not_set): Likewise.
5955 (cmp_ccx_arith_op_not_set): Likewise.
5957 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5959 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5961 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5963 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5964 (TARGET_NO_BITFIELD_WORD): New macro.
5965 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5966 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5968 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5970 * cselib.c: New file, from simplify-rtx.c.
5971 * simplify-rtx.c: Remove cselib parts.
5972 * Makefile.in: Add cselib.o.
5974 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5976 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5977 (setup_incoming_varargs): Remove warning.
5979 * config/rs6000/rs6000.c (validate_condition_mode): When
5980 flag_fast_math, allow floating-point conditionals to be reversed.
5981 (rs6000_generate_compare): When flag_fast_math, don't generate
5982 cror operations for FP conditionals.
5984 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5986 (ASM_SPEC): Likewise.
5987 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5988 (CC1_SPEC): Likewise.
5989 (LINK_TARGET_SPEC): Likewise.
5990 (CPP_ENDIAN_SPEC): Likewise.
5991 * Makefile.in (check-consistency): New target.
5993 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5995 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5996 "return type defaults" warning for functions with return type
5998 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5999 function declarations by default rather than only when pedantic.
6001 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
6003 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
6006 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6008 * extend.texi (Deprecated): Deprecate new initializer lists.
6010 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
6012 * mkdeps.c (deps_add_default_target): Robustify. Add
6013 basename component only.
6014 * cpp.texi (-M): Describe how default target is generated.
6015 * invoke.texi (-M): Likewise.
6017 2001-02-12 Kazu Hirata <kazu@hxi.com>
6019 * toplev.c (push_float_handler): Remove.
6020 (pop_float_handler): Remove.
6021 * toplev.h: Remove prototypes for the above functions.
6023 2001-02-12 Jakub Jelinek <jakub@redhat.com>
6025 * c-common.c (constant_fits_type_p): New function.
6026 (convert_and_check): Use it.
6028 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6030 * Makefile.in (GXX_ABI_FLAG): Don't define.
6031 * configure.in (--enable-new-gxx-abi): Remove option.
6032 * config.in: Regenerated.
6033 * configure: Likewise.
6035 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
6037 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
6039 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
6040 regular basic block, and arrange for all edges into it to switch
6043 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6045 * Makefile.in (distclean): Do not remove .gdbinit.
6047 2001-02-11 Mark Mitchell <mark@codesourcery.com>
6049 * Makefile.in (gcc.o): Fix typos.
6050 (protize.o): Likewise.
6051 (unprotoize.o): Likewise.
6053 2001-02-11 Richard Henderson <rth@redhat.com>
6055 * tree.c (build1): Check for null operand in last change.
6057 2001-02-11 Richard Henderson <rth@redhat.com>
6059 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
6060 (fold): Don't assume a constant isn't foldable.
6061 * tree.c (build): Set TREE_CONSTANT for an expression with no
6062 side-effects and constant operands.
6065 2001-02-10 Richard Henderson <rth@redhat.com>
6067 * jump.c (squeeze_notes): Revert 2000-05-12 change.
6069 2001-02-10 Anthony Green <green@redhat.com>
6071 * cpp.texi (Standard Predefined): Add documentation for
6074 * c-common.c (combine_strings): Improve warning message.
6076 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
6078 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
6080 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
6082 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
6084 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
6087 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
6089 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
6092 2001-02-09 Nick Clifton <nickc@redhat.com>
6094 * config/arm/arm.md: Change output contraint on post inc
6095 load/store multiple patterns to be a read/write contraint.
6097 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
6099 * gcc.c (cpp_options): Delete .d files on error. Don't delete
6100 .o files when using the -M options.
6102 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6103 David Edelsohn <edelsohn@gnu.org>
6105 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
6106 handle DImode constants. Use one TOC entry for SImode and smaller
6107 constants, aligned properly.
6109 2001-02-08 Jason Merrill <jason@redhat.com>
6111 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
6112 about the SP adjustment for saving the static chain pointer.
6113 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
6114 offset when setting a temporary CFA register.
6116 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
6118 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
6119 powerpc-*-chorusos* .
6120 * config/rs6000/chorus.h : New file.
6121 * config/i386/chorus.h : New file.
6122 * config/sparc/chorus.h : New file.
6123 * config/sparc/t-chorus-elf : New file.
6125 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6127 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6128 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6129 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6130 (__WCHAR_TYPE__): Correct macro name.
6132 2001-02-08 Richard Henderson <rth@redhat.com>
6134 * config/i386/i386.c (ix86_frame_pointer_required): New.
6135 (ix86_setup_frame_addresses): New.
6136 (struct machine_funciton): Add accesses_prev_frame.
6137 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6138 ix86_frame_pointer_required.
6139 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6140 (SETUP_FRAME_ADDRESSES): New.
6141 * config/i386/i386-protos.h: Update.
6142 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6143 from FRAME_POINTER_REQUIRED.
6144 * config/i386/svr3gas.h: Likewise.
6145 * config/i386/sysv3.h: Likewise.
6146 * config/i386/v3gas.h: Likewise.
6148 2001-02-08 Richard Henderson <rth@redhat.com>
6150 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6151 calculation of the number of integer registers required.
6152 (function_arg_record_value): Likewise.
6154 2001-02-08 Jason Merrill <jason@redhat.com>
6156 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6157 two. Print file and line with "confused" message.
6159 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6161 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6163 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6165 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6167 * final.c (cleanup_subreg_operands): The address of a MEM can
6170 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6173 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6175 * gcc.texi (Incompatibilities): Update documentation of
6176 preprocessing numbers.
6178 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6180 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6182 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6184 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6186 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6187 * gcc.c (struct compiler): Add cpp_spec field.
6188 (input_file_compiler): New variable.
6189 (do_spec_1): Allow a particular compiler to handle `%C'
6191 (main): Store the current compiler in input_file_compiler.
6192 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6194 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6196 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6197 * cppinit.c (cpp_create_reader): Initialize them.
6198 (append_include_chain): cxx_aware arg might be unused.
6199 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6200 keywords and give them their phase 7 meaning. Pedwarn about
6201 this unless '__bool_true_false_are_defined' is defined.
6203 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6205 * lcm.c (optimize_mode_switching): Emit mode_set before the
6206 JUMP_INSN of an abnormal edge.
6208 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6210 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6211 a scheduling barrier at the end.
6213 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6215 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6217 * config/sh/sh.md (reload_outsf): Removed.
6218 (movsf_ie): Introduce constraints for FPUL loads and stores.
6219 (reload_insf): Broaden the output constraint.
6221 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6223 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6224 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6226 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6228 * final.c: Revert my previous changes.
6229 * output.h: Make profile_label_no extern.
6230 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6231 for generating label.
6233 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6235 * config/i386/djgpp.h: Add comments about standard paths.
6236 (MD_EXEC_PREFIX): Undefine before defining.
6237 (MD_STARTFILE_PREFIX): New.
6239 2001-01-30 Bruce Korb <bkorb@gnu.org>
6241 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6242 (load_file): do not rely on load_file_data() to close file pointer
6243 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6244 fixinc/inclhack.def(irix_limits_const): add test_text
6246 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6248 * cppexp.c (parse_defined): Improve diagnostics for invalid
6251 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6253 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6255 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6257 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6258 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6259 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6260 (rs6000_output_symbol_ref): New function.
6261 (output_toc): Use VTABLE_NAME_P.
6263 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6265 * print-tree.c (print_node, case PARM_DECL):
6266 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6268 * stor-layout.c (reference_types_internal): New variable.
6269 (internal_reference_types): New function.
6270 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6271 * tree.h (internal_reference_types): New declaration.
6273 * cse.c (find_best_addr): Fix typo in computing cost.
6275 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6277 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6278 and this is the sum of a pointer and a constant, we know the result
6280 (num_sign_bit_copies, case PLUS): Likewise.
6281 * explow.c (convert_memory_address): Remove opposite SUBREG.
6282 * function.c (instantiate_new_reg): New function (from common code).
6283 (instantiate_virtual_regs_1): Call it.
6284 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6285 if pointers sign- or zero-extend.
6286 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6287 If pointers extend unsigned, use inside of SUBREG.
6288 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6290 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6292 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6293 subdir of gcc_gxx_include_dir.
6294 (gcc_gxx_target_include_dir): Remove.
6296 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6298 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6299 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6300 a high-level description.
6302 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6304 * final.c: Move the declaration of profile_label_no to ...
6305 * output.h: ... here.
6306 * function.c (expand_function_start): Call PROFILE_HOOK.
6307 * config/rs6000/aix.h: Define PROFILE_HOOK.
6308 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6309 * config/rs6000/rs6000.c (output_profile_hook): Define.
6310 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6311 output_profile_hook.
6312 tm.texi : Explain new macro PROFILE_HOOK.
6314 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6316 * extend.texi (Extended Asm): Do not say that semicolon is always
6317 a valid line-breaking character for GNU assemblers. Use
6318 newline-tab as the most commonly supported syntax. Use
6319 newline-tab rather than semicolon in multi-insn examples.
6321 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6323 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6325 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6326 David Edelsohn <edelsohn@gnu.org>
6328 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6329 code for AIX, even without flag_pic.
6331 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6333 * c-typeck.c (common_type): push and pop binding level around
6334 calling common_type on function parameters.
6336 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6338 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6340 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6342 * config/mips/mips.c (override_options): Fix typo in last change.
6343 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6344 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6346 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6348 * invoke.texi (-fdump-class-layout): Document.
6349 (-fdump-translation-unit): Use `=' as filename separator.
6351 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6353 * Makefile.in (s-mlib): Don't build multilibs if
6355 (DRIVER_DEFINES): Adjust accordingly.
6357 (protoize.o): Likewise.
6358 (unprotoize.o): Likewise.
6359 * configure.in: Recognize --enable-multilib.
6361 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6363 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6365 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6366 * configure.in: Remove --enable-libstdcxx_v3 support.
6367 * configure: Regenerated.
6369 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6371 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6372 Call abort instead of fatal.
6373 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6374 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6375 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6376 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6377 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6378 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6380 * diagnostic.h (set_internal_error_function): Renamed.
6381 * toplev.h (internal_error): Renamed from fatal.
6382 (pfatal_with_name): Deleted.
6383 (fatal_io_error): Now has printf-style arguments.
6384 * diagnostic.c (pfatal_with_name): Deleted.
6385 (fatal_io_error): Rework to have args in printf-style.
6386 (set_internal_error_function): Renamed from set_fatal_function.
6387 (internal_error): Renamed from fatal.
6388 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6389 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6390 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6391 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6392 * flow.c (verify_flow_info): Likewise.
6393 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6394 * config/mips/mips.c (save_restore_insns): Likewise.
6396 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6397 * flow.c (verify_flow_info): Likewise.
6398 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6399 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6400 (avr_normalize_condition): Likewise.
6401 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6402 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6403 (limit_reload_class, double_reg_to_memory): Likewise.
6404 (print_operand_address, emit_1600_code_shift): Likewise.
6405 (gen_tst_reg, gen_compare_reg): Likewise.
6406 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6407 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6409 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6411 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6412 * objc/objc-act.c (build_ivar_chain): Likewise.
6413 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6415 * graph.c (clean_graph_dump_file): Likewise.
6416 * profile.c (init_branch_prob): Likewise.
6417 * objc/objc-act.c (objc_init): Likewise.
6419 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6420 * config/avr/avr.c (avr_override_options): Likewise.
6421 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6422 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6423 * config/h8300/h8300.c (h8300_init_once): Likewise.
6424 * config/mips/mips.c (override_options): Likewise.
6425 * config/i386/i386.c (override_options): Likewise, rework.
6426 * config/m68k/m68k.c (override_options): Likewise.
6428 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6430 * config/mips/mips.c (print_operand): Likewise.
6431 * hash.c (hash_allocate): Don't check for failure returns from
6432 obstack functions that can't fail.
6433 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6434 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6435 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6436 (get_object_reference): Likewise.
6438 2001-02-04 Nick Clifton <nickc@redhat.com>
6440 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6441 StrongARM1110, 10TDMI, and 1020T.
6443 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6445 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6447 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6449 * config/sh/sh.md (movdf load split): Pass register number to
6450 FP_OR_XD_REGISTER_P.
6452 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6454 * cppinit.c (BC): New macro.
6455 (builtin_array): Add __GXX_WEAK__.
6456 * cpplib.h (builtin_type): Add BT_WEAK.
6457 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6458 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6459 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6461 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6463 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6465 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6467 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6468 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6470 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6472 * cpphash.h: Rename ALIGN _ALIGN.
6473 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6475 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6477 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6478 compilation environment.
6479 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6480 control over location of cygwin includes and libs.
6482 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6484 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6486 2001-02-02 lars brinkhoff <lars@nocrew.org>
6488 * md.texi (Standard Names): remove reference to spur.md.
6490 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6492 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6493 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6494 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6495 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6496 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6498 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6500 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6501 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6502 number before reload.
6503 (c4x_adjust_cost): Return zero before reload.
6504 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6505 split before reload.
6507 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6509 * c4x.c (c4x_hard_regno_rename_ok): New.
6510 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6511 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6513 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6515 * diagnostic.h: Add missing "extern" in all declarations.
6517 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6519 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6520 as for gcc_gxx_include_dir.
6522 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6524 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6526 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6528 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6529 label before alignment to be used as the braf base address.
6530 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6532 (casesi_jump_2): Require at least TARGET_SH2.
6534 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6535 truncation to 32-bit doubles on -m3e and -m4-single-only.
6537 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6539 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6540 the default when building a shared object.
6541 (init_spec): Use it.
6542 * testsuite/lib/g++.exp: Include the directory where libgcc
6543 is located to the LD_LIBRARY_PATH list.
6544 * invoke.texi (-shared-libgcc): Document the cases in which
6545 GCC defaults to using the shared libgcc.
6547 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6549 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6550 unsigned is wide enough.
6552 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6553 (si_to_float): Likewise.
6554 (float_to_si, float_to_usi): Use BITS_PER_SI.
6556 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6558 * dwarf2out.c: Added explanation of abbreviations.
6559 (def_cfa_1): Added comments listing DWARF2 instructions.
6560 (cfa_temp_reg): Removed in favor of cfa_temp.
6561 (cfa_temp_value): Removed in favor of cfa_temp.
6562 (cfa_temp): New global variable.
6563 (dwarf2out_frame_debug_expr): Added extensive introductory
6564 comments explaining the function's transformations. Revised to
6565 use cfa_temp. Added some rtx checking. Generalize IOR case.
6566 (dwarf2out_frame_debug): Revised to use cfa_temp.
6567 (output_aranges): Cast as "unsigned" to avoid warning.
6568 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6569 explain which instructions must be marked.
6571 2001-02-01 Richard Henderson <rth@redhat.com>
6573 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6576 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6578 * config/sh/crt1.asm (main_k): Modified so that start calls
6579 ___setup_argv_and_call_main.
6581 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6583 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6584 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6585 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6586 * cppmacro.c (builtin_macro): Set builtin flags here.
6587 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6588 (replace_args): Clarify intent.
6589 (cpp_get_token): Macro expansion tokens get the saved flags.
6591 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6594 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6596 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6599 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6601 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6602 returns Pmode pseudo, but we need ptr_mode.
6603 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6604 Remove bogus conversions; use HOST_WIDE_INT for size.
6605 Don't use TARGET if wrong mode.
6607 * config/i386/i386.c (ix86_compute_frame_size): Allow
6608 stack_alignment_needed to be non-default even if size is zero.
6610 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6612 * pa.c (hppa_init_pic_save): New function.
6613 * pa.h (hppa_init_pic_save): Declare.
6614 * pa.md (call, call_value, sibcall, sibcall_value): Use
6615 the above instead of duplicated code.
6617 * pa.c (hppa_encode_label): Correct size of alloca buffer
6618 so we don't overrun it. Correct leading `*' case.
6619 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6620 need to handle `*@'.
6621 (FUNCTION_NAME_P): Likewise.
6623 2001-01-31 Richard Henderson <rth@redhat.com>
6625 * config.gcc (alpha-osf5): Use float-i128.h.
6627 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6628 * config/float-i32.h: Likewise.
6629 * config/float-i64.h: Likewise.
6630 * config/float-sh.h: Likewise.
6631 * config/float-sparc.h: Likewise.
6633 2001-01-31 DJ Delorie <dj@redhat.com>
6635 * expmed.c (extract_bit_field): allow non-integral modes if we
6636 want to extract a whole register from itself.
6638 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6640 * c-typeck.c (set_init_index): If first is equal to last, assume as
6641 if it was not a range at all.
6643 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6645 * config/fp-bit.c: Include tm.h.
6646 (float_to_si): Don't assume SImode is 32-bits wide.
6647 (float_to_usi): Likewise.
6649 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6651 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6653 (typename): Call pending_xref_error after parsing typed_typespecs.
6654 * c-decl.c (lookup_tag): Give error immediately rather than
6655 leaving it pending if the tag of the wrong type is in the same
6657 (xref_tag): Don't pedwarn for forward declarations of enum types
6659 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6662 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6664 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6666 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6668 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6669 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6671 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6673 * cpphash.h (struct cpp_reader): New saved_flags.
6674 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6675 to avoid a paste after a pasted token.
6677 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6679 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6680 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6681 Wtype_MIN instead of LONG_MIN.
6683 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6685 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6687 * fixinc/fixincl.x: Regenerated.
6688 * fixinc/inclhack.def (irix_limits_const): New definition to
6689 convert "const" to "__const" in limits.h.
6691 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6693 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6695 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6697 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6698 when register dies in the insn.
6700 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6702 * diagnostic.c (fatal): Fix word wrap.
6704 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6706 * combine.c (try_combine): Fix SUBREG setting for
6707 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6709 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6711 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6714 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6716 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6718 * toplev.c (decode_W_option): Update warn_larger_than
6719 unconditionally for each processed switch.
6721 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6723 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6725 (hppa_expand_prologue): Delete code to save pic offset table register
6726 in the function prologue.
6727 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6728 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6729 table register at the beginning of the function after the prologue.
6731 2001-01-29 lars brinkhoff <lars@nocrew.org>
6733 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6735 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6736 Jeff Law <law@redhat.com>
6738 * pa.md (return): Revise comment for trivial return.
6739 (return_internal): Non-trivial return pattern for non-PIC code.
6740 (return_internal_pic): Non-trivial return pattern for PIC code.
6741 It uses the PIC register to ensure it is restored after
6743 (epilogue): Generate appropriate return for PIC and non-PIC code.
6745 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6747 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6749 2001-01-29 DJ Delorie <dj@redhat.com>
6751 * combine.c (if_then_else_cond): Pass the correct mode to
6752 operand_subword() for constants.
6754 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6756 * config/i386/cygwin.h: Add w32api to include search. Search different
6757 directories in a cross-build environment.
6759 2001-11-29 Tim Josling <tej@melbpc.org.au>
6761 * tree.h (TYPE_STUB_DECL): Add documentation.
6763 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6765 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6766 (sdbout_field_types): Likwise. Fix use of host_integerp.
6768 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6770 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6773 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6775 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6776 to use flag_gnu_linker.
6778 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6780 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6781 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6783 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6785 * tree.c, tree.h (build_parse_node): Remove; was identical to
6787 * c-lang.c (start_cdtor), objc/objc-act.c
6788 (build_module_descriptor): Use build_nt instead of
6791 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6793 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6794 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6795 not have any upper bits set.
6797 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6799 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6801 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6803 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6805 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6807 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6808 (integer_minus_one_node): Define.
6810 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6812 * Makefile.in (bootstrap2-lean): Fix typo.
6814 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6816 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6817 : Don't set fe_value.
6818 * cpplib.h (AVOID_LPASTE): New flag.
6819 (struct cpp_hashnode): Remove fe_value.
6820 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6821 * cppmacro.c (builtin_macro): Don't set flags here.
6822 (replace_args): Set AVOID_LPASTE flag on first token of an
6823 argument, and the token following it.
6824 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6825 macro expansion, and on the token following it. Do it for
6827 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6829 2001-01-27 Richard Henderson <rth@redhat.com>
6831 * config/alpha/t-ieee: Remove multilibbing.
6832 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6834 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6836 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6838 * Makefile.in: Remove all dependencies on defaults.h.
6839 * builtins.c: Don't include defaults.h.
6840 * c-common.c: Likewise.
6841 * c-decl.c: Likewise.
6842 * c-pragma.c: Likewise.
6843 * c-typeck.c: Likewise.
6844 * combine.c: Likewise.
6846 * frame-ia64.c: Likewise.
6847 * cppexp.c: Likewise.
6848 * crtstuff.c: Likewise.
6849 * dbxout.c: Likewise.
6850 * dwarf2out.c: Likewise.
6851 * dwarfout.c: Likewise.
6852 * emit-rtl.c: Likewise.
6853 * except.c: Likewise.
6855 * final.c: Likewise.
6856 * frame-dwarf2.c: Likewise.
6857 * libgcc2.c: Likewise.
6858 * optabs.c: Likewise.
6859 * profile.c: Likewise.
6860 * sdbout.c: Likewise.
6861 * toplev.c: Likewise.
6862 * tradcif.y: Likewise.
6864 * varasm.c: Likewise.
6866 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6868 * builtins.c (expand_builtin_fputs): Use size_one_node when
6869 transforming into fwrite.
6871 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6873 * extend.texi (Attribute Syntax): New section.
6875 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6877 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6878 they didn't need fixing.
6880 2001-01-27 Janis Johnson <janis@us.ibm.com>
6882 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6884 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6885 to remove macro definitions that are duplicated from elfos.h.
6887 2001-01-27 Richard Henderson <rth@redhat.com>
6889 * config/i386/sco5gas.h: Move ...
6890 * config/usegas.h: ... here.
6891 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6893 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6895 * c-typeck.c (struct constructor_stack): Add range_stack member.
6896 (really_start_incremental_init): Clear it.
6897 (push_init_level): Save constructor_range_stack and clear it if
6898 pushing explicit braces.
6899 (pop_init_level): abort if constructor_range_stack is non-zero at
6900 explicit closing brace. Restore saved constructor_range_stack if
6903 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6905 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6906 into register was forced into memory.
6908 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6910 * Makefile.in: Remove uses of + before $(MAKE).
6912 2001-01-26 Richard Henderson <rth@redhat.com>
6914 * stmt.c (cost_table): Remove.
6915 (COST_TABLE, cost_table_initialized): New.
6916 (estimate_case_costs): Use the later instead of the former.
6917 (balance_case_nodes): Likewise.
6919 2001-01-26 Richard Henderson <rth@redhat.com>
6921 * alias.c (objects_must_conflict_p): Read-only slots may not
6922 conflict despite having the same type.
6924 2001-01-27 Michael Hayes <mhayes@redhat.com>
6926 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6928 (check_ext_dependant_givs): Initialise u_start_val and
6930 (load_mems): Make last_max_reg unsigned.
6931 (try_swap_copy_prop): Use INSN_P and initialise set.
6933 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6935 * README.AVR : Removed.
6937 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6939 * pa-64.h (text_section): Remove declaration.
6941 * pa.md (return_internal): Remove mode on PIC register use.
6943 2001-01-25 lars brinkhoff <lars@nocrew.org>
6945 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6946 ASM_CLOSE_PAREN): fix typos.
6948 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6950 * acconfig.h: Define `const' to the empty string if neither
6951 __STDC__ nor __cplusplus is defined.
6952 * config.in: Regenerated.
6954 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6956 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6957 * collect2.c (main): Delete importf. Add ".obj" file extension.
6958 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6959 (aix_std_libs): Add additional AIX libraries to skip.
6960 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6961 * config/rs6000/aix51.h: New file.
6963 2001-01-25 Michael Hayes <mhayes@redhat.com>
6965 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6966 (loop_insn_emit_before): No longer static.
6967 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6968 (loop_givs_rescan, load_mems): Likewise.
6969 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6970 (maybe_eliminate_biv_1):
6971 (move_movables): Replace emit_call_insn_before with
6972 loop_call_insn_hoist.
6973 * loop.h (loop_insn_emit_before): Add.
6974 * unroll.c (copy_loop_body): Replace emit_insn_before with
6975 loop_insn_emit_before.
6977 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6979 * diagnostic.c (fatal): Request preprocessed source.
6981 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6983 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6984 olddecl has argument types and newdecl has none, use the argument
6987 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6989 * dwarf2out.c (prefix_of): New function. Determine longest common
6990 prefix of the two arguments. The units are whole path components.
6991 (output_file_names): When adding a new directory find the one entry
6992 with the longest common prefix already in the list. Artificially
6993 generate entry if there is none for this prefix.
6994 Fix test to check whether the zeroth directory entry is used.
6996 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6998 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6999 Changed all callers. Take it into account when deciding if a
7000 previously loaded value matches.
7002 2001-01-24 Richard Henderson <rth@redhat.com>
7004 * reload.c (find_reloads_subreg_address): Fail the substitution
7005 if the resulting address is insufficiently aligned.
7007 2001-01-24 DJ Delorie <dj@redhat.com>
7009 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
7010 check the original operand's mode also.
7011 * simplify-rtx.c (simplify_ternary_operation): Ditto.
7013 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7015 * c-parse.in (cast_expr): Move compound literals from here ...
7016 (primary): ... to here. Use standard terminology "compound
7017 literal" instead of "constructor expression".
7019 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
7021 * gcc.1, cpp.1: Regenerate.
7023 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
7025 * calls.c (emit_library_call_value_1): Memory slot for
7026 pass-by-reference argument should have the mode of the argument,
7027 not of the pointer to it.
7029 2001-01-24 Tom Tromey <tromey@redhat.com>
7031 * gcc.texi (G++ and GCC): Mention gcj manual.
7032 (Standards): Link to section of manual mentioning gcj/Java
7035 2001-01-24 Jakub Jelinek <jakub@redhat.com>
7037 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
7038 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
7039 * tradcpp.c (main): Add -imacros or -include'd dependencies
7041 * cpp.texi (-M, -MM): Document -M -include behaviour.
7043 2001-01-24 Roger Collins <roger@ProProject.com>
7045 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
7047 2001-01-24 Will Cohen <wcohen@redhat.com>
7049 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
7050 whether registers are 32 bits or 64 bits in size.
7052 2001-01-24 Ben Elliston <bje@redhat.com>
7054 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
7056 2001-01-24 Richard Henderson <rth@redhat.com>
7058 * config/alpha/alpha.md (builtin_longjmp_internal): New.
7059 (builtin_longjmp): Use it instead of emit_indirect_jump.
7061 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
7063 * bb-reorder.c (make_reorder_chain_1): Handle case where
7064 jump edge goes to the same block as the fallthru edge.
7066 2001-01-23 Jim Wilson <wilson@redhat.com>
7068 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
7069 * frame.h (__ia64_personality_v1): Add prototype.
7070 * libgcc2.c (ia64_throw_helper): Change personality declaration to
7071 prototype form. Add void * cast to first argument to personality
7073 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
7074 (asctoe113): Likewise.
7075 * config/ia64/frame-ia64.c: Include eh-common.h.
7076 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
7078 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
7080 (itanium_split_issue): Add prototype.
7081 (gen_nop_type): Ifdef out.
7082 (find_best_packet): Initialize best_packet.
7083 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
7085 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
7086 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
7087 (flushrs): Add explicit stop bit at end.
7088 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
7091 2001-01-23 Chris Demetriou <cgd@broadcom.com>
7093 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
7095 * libgcc2.c (__terminate_func): Make variable static.
7096 (__terminate_set_func): New function to set __terminate_func.
7097 * libgcc2.h (__terminate_func_ptr): New typedef.
7098 (__terminate_set_func): New function.
7100 2001-01-23 Richard Henderson <rth@redhat.com>
7102 * flow.c (init_propagate_block_info): Don't consider unchanging
7103 memories for dead frame store elimination.
7105 2001-01-23 Richard Henderson <rth@redhat.com>
7107 * varasm.c (UNIQUE_SECTION): Move default implementation ...
7108 * defaults.h: ... here.
7110 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7112 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
7114 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
7116 * c-lex.c (lex_charconst): Fix typo: s/p/str.
7118 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7120 * rs6000.h (rs6000_return_addr): Move prototype from here...
7121 * rs6000-protos.h (rs6000_return_addr): ...to here.
7122 (rs6000_init_expanders): Delete prototype.
7124 2001-01-23 Nick Clifton <nickc@redhat.com>
7126 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7127 (Spec Files): Document %B and %j and %. and %v3 and %M and
7128 %{S*&T} spec switches.
7130 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7132 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7134 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7135 Neil Booth <neil@daikokuya.demon.co.uk>
7137 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7138 Have -Werror make pedantic warnings errors, like the
7141 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7143 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7145 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7147 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7148 * integrate.c (expand_inline_function): Initialize them.
7149 (subst_constants): If changing COMPARE so that both its arguments
7150 will be VOIDmode and the comparison mode will be lost, note
7151 compare_mode. Use the recorded compare_mode to optimize
7154 2001-01-23 Jason Merrill <jason@redhat.com>
7156 * dwarf2out.c (new_die): Use xcalloc.
7157 (output_die): Abort rather than emit a local reference to offset 0.
7159 2001-01-17 Andrew Haley <aph@redhat.com>
7161 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7162 of a saved register; return NULL instead.
7163 (copy_reg): Take a pointer to a source register rather than a
7165 (next_stack_level): Remember the address in the stack frame of all
7167 Use the saved register pointer array as the source of the CFA.
7168 (throw_helper): Rewrite. Unwind once rather than twice and keep
7169 track of saved registers as we go.
7171 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7173 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7174 * c4x.c (c4x_legitimize_reload_address): Remove.
7175 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7176 reload address for ldp(k) insn.
7178 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7180 * pa.md (return_internal): Add a USE of the PIC register to ensure
7181 it is restored after each call.
7182 (return expander): Corresponding changes.
7184 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7186 * rs6000.h (INIT_EXPANDERS): Delete.
7187 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7188 * rs6000.c (rs6000_override_options): Call *_machine_status from
7190 (rs6000_init_expanders): ...instead of here. Delete.
7191 (rs6000_mark_machine_status): New function.
7192 (rs6000_init_machine_status): Use xcalloc.
7193 (rs6000_return_addr): Generate RTX for the return address.
7194 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7195 (rs6000_stack_info): Use it.
7197 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7199 * gthr-win32.h: Include errno.h to get a declaration for
7200 EINVAL and _mingw.h if the target is mingw32.
7202 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7204 * cpp.texi: Correct typos.
7206 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7208 * explow.c (probe_stack_range): Ensure value passed to
7209 stack_check_libfunc is ptr_mode, not Pmode.
7211 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7213 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7214 case, don't use operand_subword to calculate a SUBREG that is
7217 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7219 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7221 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7222 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7223 valid. If not replace it by equivalent insns.
7225 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7227 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7228 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7229 (c4x_U_constraint, symbolic_address_operand): Likewise.
7230 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7232 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7233 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7234 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7235 anulling slot because of silicon bug.
7236 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7238 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7240 * cppexp.c (parse_charconst): Change `mask' type to agree
7243 2001-01-21 Richard Henderson <rth@redhat.com>
7245 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7246 pic_label_name in a linkonce section.
7248 2001-01-17 Philipp Thomas <pthomas@suse.de>
7250 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7252 * configure: Regenerate.
7254 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7256 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7257 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7259 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7261 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7262 If REVERSE nonzero then condition code in X must be reversed.
7263 (encode_section_info): Optimise if/else.
7264 (avr_function_value): Fix formatting.
7266 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7267 (difficult_branch): Likewise.
7268 (rvbranch): Likewise.
7269 (difficult_rvbranch): Likewise.
7271 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7273 * config/avr/libgcc.S: Fix comment.
7275 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7277 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7279 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7281 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7283 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7285 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7286 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7287 * configure, config.in: Regenerate.
7288 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7289 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7290 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7291 (doprint.o): New rule.
7293 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7295 * c-typeck.c (digest_init): Handle boolean types as scalars.
7297 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7299 * stmt.c (expand_return): Don't return anything if size is zero.
7300 Delete redundant assignment to BYTES.
7301 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7303 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7305 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7306 the same as the default library function names.
7307 * config/avr/avr.md: Document special characters after '%'.
7308 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7309 knowing which of the call-used registers are really clobbered.
7310 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7311 New. Both quotient and remainder from one libgcc.S call.
7312 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7313 clobber as few registers as possible.
7314 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7316 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7318 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7319 context of the top of the stack.
7321 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7323 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7324 (fixup_var_refs_insns): ...here.
7326 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7328 * function.c (fixup_var_refs_insns): Break up into
7329 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7330 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7331 [loop over hash table entries].
7332 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7333 fixup_var_refs_insns_with_hash, to match above changes.
7335 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7337 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7338 (libgcc.a): Likewise.
7339 (stmp-multilib): Likewise.
7340 (STAGE2_FLAGS_TO_PASS): Likewise.
7342 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7344 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7345 temporary if no_new_pseudos.
7347 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7349 * cppinternals.texi: Update.
7351 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7353 * arm.c (arm_init_builtins): Re-enable builtins.
7355 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7357 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7358 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7359 element to be null, and always expect an EXPR_LIST.
7360 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7361 * sched-deps.c (sched_analyze_1): Likewise.
7362 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7364 * regclass.c (max_set_parallel): New variable.
7365 (reg_scan): Take it into account in computation of max_parallel.
7366 (reg_scan_mark_refs, case SET): Compute it.
7368 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7370 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7371 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7373 2001-01-19 Jason Merrill <jason@redhat.com>
7375 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7376 for the abstract instance of an inline function.
7378 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7379 J"orn Rennecke <amylaar@redhat.com>
7381 * reload1.c (move2add_note_store): Treat all registers directly or
7382 indirectly derived from a base register as members of the same set
7384 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7385 of base register into account.
7387 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7389 * alias.c (find_base_value): Recognize TRUNCATE.
7390 (record_set): In PLUS case, invalidate if other summand is also a
7393 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7395 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7396 entry to be EXPR_LIST.
7397 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7398 be an EXPR_LIST (but not null, which other code doesn't allow).
7399 (note_stores): Properly handle PARALLEL in SET.
7400 Recursively call for top-level PARALLEL.
7401 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7402 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7404 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7406 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7408 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7409 not pfile->skipping (== 0).
7411 2001-01-17 Nick Clifton <nickc@redhat.com>
7413 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7416 2001-01-17 Jim Wilson <wilson@redhat.com>
7418 * invoke.texi (IA-64 options): Improve.
7420 2001-01-17 Tom Tromey <tromey@redhat.com>
7422 * invoke.texi (Optimize Options): Use `{}' to around @samp
7425 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7427 * invoke.texi (-fno-guess-branch-probability): New option.
7429 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7431 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7432 case of making new double-word constant.
7433 Revert last change: instead just test i3_subst_into_i2.
7435 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7437 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7438 Use q constraints instead of r.
7440 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7442 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7443 (machine_function): Define.
7444 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7445 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7446 pa_free_machine_status): New functions.
7447 (override_options): Set {init,mark,free}_machine_status to above.
7448 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7449 PIC_OFFSET_TABLE_REGNUM_SAVED.
7450 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7451 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7452 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7453 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7454 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7456 2001-01-15 DJ Delorie <dj@redhat.com>
7458 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7462 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7464 * flow.c (propagate_on_insn): Make trying to delete a prologue
7465 or epilogue insn an ICE, not a warning. Allow doing this if
7466 the current function returns with stack pointer depressed.
7468 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7469 I3 having more than one SET.
7471 2001-01-16 Jim Wilson <wilson@redhat.com>
7473 * invoke.texi: Document IA-64 options.
7475 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7476 (fixup_errata): Delete TARGET_A_STEP use.
7477 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7478 (TARGET_SWITCHES): Delete -ma-step option.
7479 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7480 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7481 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7482 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7483 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7484 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7486 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7487 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7488 cmovsi_internal): Delete ! TARGET_A_STEP check.
7490 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7492 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7493 possibility to report bugs via postal mail. Change a URL and
7494 merge in a nearly duplicate statement...
7495 (Bug Reporting): ...from here.
7496 (Service): Refer to the Bug Reporting section instead of
7498 (Contributing): Remove trivial explanations concerning snapshots.
7500 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7502 * cppmain.c (general_init): Don't use ANSI prototype.
7504 2001-01-16 Tom Tromey <tromey@redhat.com>
7506 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7508 2001-01-16 Richard Henderson <rth@redhat.com>
7510 * config/i386/i386.h: Fix comment typo.
7511 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7512 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7514 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7516 * gcc.c: Revert previous -fsyntax-only-related change; move
7519 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7521 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7522 inmode after checking GET_CODE (op).
7524 2001-01-16 Richard Henderson <rth@redhat.com>
7526 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7527 (MAX_MEM_SET_LIST_LEN): New.
7528 (propagate_one_insn): Update mem_set_list_len.
7529 (invalidate_mems_from_autoinc): Likewise.
7530 (invalidate_mems_from_set): Likewise.
7531 (mark_used_regs): Likewise.
7532 (init_propagate_block_info): Likewise. Stop collecting memories
7533 when we reach MAX_MEM_SET_LIST_LEN.
7534 (mark_set_1): Likewise.
7536 2001-01-16 Richard Henderson <rth@redhat.com>
7538 * unroll.c (precondition_loop_p): Fail if no iteration
7541 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7543 * gcc.c: When -fsyntax-only is given, do not complain about
7546 2001-01-15 Richard Henderson <rth@redhat.com>
7548 * config/i386/i386.c (asm_output_function_prefix): Remove.
7549 (ix86_asm_file_end): New.
7550 (load_pic_register): Generate pic_label_name into a
7551 staticly allocated buffer.
7552 * config/i386/i386-protos.h: Update.
7553 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7554 (ASM_FILE_END): New.
7555 * config/i386/i386afe.h: New file.
7556 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7557 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7558 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7559 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7560 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7561 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7562 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7564 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7566 * Makefile.in (install-man): Remove explicit dependency on
7569 * configure.in, configure: Revert previous patch requiring perl
7572 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7574 * toplev.c (flag_guess_branch_prob): New.
7575 (f_options): Add guess-branch-probability option.
7576 (rest_of_decl_compilation): Only estimate branch probability if
7578 (main): set flag_guess_branch_prob.
7580 * flags.h (flag_guess_branch_prob): New.
7582 2001-01-15 DJ Delorie <dj@redhat.com>
7584 * gcc.texi (Makefile): Add documentation for Makefile targets.
7586 2001-01-15 Philip Blundell <philb@gnu.org>
7588 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7590 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7591 (is_pic): Delete declaration.
7592 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7593 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7594 * config/arm/arm.md (builtin_setjmp_receiver): New.
7596 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7598 * arm.c (use_return_insn): Don't try to determine the function type
7599 until after reload has completed.
7600 (arm_output_epilogue): Don't adjust the sp value recovered from the
7602 (emit_multi_reg_push): Don't record dwarf information for the pc.
7603 * arm.md (eh_epilogue): The function type may have changed, so it
7604 needs to be recalculated.
7605 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7606 unwind tables on arm/netbsd.
7608 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7610 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7611 (negated_cbranchsi4): Likewise.
7613 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7615 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7616 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7617 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7618 pass -mapcs-* options to assembler.
7619 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7620 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7621 (ASM_SPEC): Call subtarget_extra_asm_spec.
7623 2001-01-15 Andreas Jaeger <aj@suse.de>
7625 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7627 (ix86_expand_builtin): Likewise.
7629 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7630 warning about comparison between signed and unsigned.
7632 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7634 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7636 2001-01-14 Ralf Baechle <ralf@gnu.org>
7638 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7639 SUBTARGET_CPP_SPEC apropriatly.
7641 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7643 * varasm.c (make_decl_rtl): Fix typo in last change.
7645 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7647 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7648 linker supports the init_priority C++ attribute.
7649 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7650 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7651 linker does not support init_priority C++ attribute.
7653 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7655 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7657 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7659 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7660 * cp/lex.c (finish_parse): Similarly.
7661 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7662 Return the number of errors encountered.
7663 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7664 * cppmain.c (main): Don't call cpp_destroy.
7666 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7668 * configure.in: Require at least perl 5.6.0 to regenerate
7670 * configure: Regenerate.
7672 2001-01-14 Richard Henderson <rth@redhat.com>
7674 * genrecog.c (DT_veclen_ge): New.
7675 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7676 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7677 (nodes_identical_1): Handle DT_veclen_ge.
7678 (write_cond, debug_decision_2): Likewise.
7680 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7682 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7684 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7686 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7688 * cppmain.c (do_preprocessing): New function; most of the old
7690 (main): Call it to do most of the work.
7691 (cb): Move from global scope to set_callbacks ().
7692 (setup_callbacks): Get the callback pointer.
7693 (general_init, printer_init): Clean up code and comments.
7695 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7697 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7700 2001-01-14 Kazu Hirata <kazu@hxi.com>
7702 * config/h8300/h8300.c (get_shift_alg): Update comments.
7704 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7706 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7707 (alloc_page, ggc_alloc): Add casts to remove warnings.
7709 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7711 * combine.c (simplify_comparison): Don't change `code' when
7712 can't reverse comparison.
7714 2001-01-14 Richard Henderson <rth@redhat.com>
7716 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7717 update all call sites. Return true for all non-label constants.
7719 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7721 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7723 (ix86_expand_branch): Update.
7724 (ix86_expand_setcc): Update to handle multiple test conditions.
7725 (expand_int_movcc): Likewise.
7726 (expand_fp_movcc): Likewise.
7727 * i386-protos.h (ix86_expand_compare): New.
7728 * i386.md (andqi_?_slp, orqi_?_slp): New.
7729 (conditional trap expander): Update call to ix86_expand_compare.
7731 2001-01-14 Richard Henderson <rth@redhat.com>
7733 * config/vax/vax.md: Use nonimmediate_operand instead of
7734 general_operand in destinations.
7736 * config/vax/vax.md (indirect_jump): Use register_operand.
7738 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7739 * config/vax/vax.md (call_pop): Turn into an expander.
7740 (call_value_pop): Likewise.
7741 (call, call_value): New.
7743 2001-01-14 Andreas Jaeger <aj@suse.de>
7745 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7747 (ix86_fp_compare_mode): Add unused attribute.
7748 (ix86_expand_fp_movcc): Remove unused variable.
7749 (ix86_expand_builtin): Make fcode unsigned.
7751 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7752 (expand_expr): Add cast to avoid signed warning.
7753 (store_field): Likewise.
7754 (store_constructor_field): Likewise.
7755 (store_constructor): Likewise.
7756 (store_expr): Likewise.
7757 (clear_storage): Likewise.
7758 (emit_group_store): Likewise.
7759 (emit_group_load): Likewise.
7761 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7763 * c-common.c: Move format checking code to ...
7764 * c-format.c: ... here. New file. Reorder some functions and
7766 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7768 * c-common.h (decl_handle_format_attribute,
7769 decl_handle_format_arg_attribute): Declare.
7770 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7771 (c-common.o): Adjust dependencies.
7772 (c-format.o): New list of dependencies.
7774 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7776 * unroll.c (loop_iterations): If we cannot prove iteration variable
7777 is set once in each iteration, punt.
7779 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7781 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7782 (*strlenhi): Remove clobber (which was buggy) of output address.
7784 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7786 * Makefile.in (generated-manpages): Add gcc.1
7787 ($(srcdir)/gcc.1): New target.
7788 (maintainer-clean): Delete $(srcdir)/gcc.1.
7789 * gcc.texi: Add macros @gccoptlist and @gol.
7790 * invoke.texi: Include option summary in manpage. Mark up option
7791 summary with @gccoptlist and @gol. Use @r in one place where
7793 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7794 * gcc.1: Generate from invoke.texi.
7796 2001-01-13 Richard Henderson <rth@redhat.com>
7798 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7799 (struct page_entry): Add group member.
7800 (struct page_group): New.
7801 (struct globals): Add page_groups member.
7802 (alloc_anon): Only define for using mmap; remove valloc call.
7803 (page_group_index): New.
7804 (set_page_group_in_use): New.
7805 (clear_page_group_in_use): New.
7806 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7807 (free_page, release_pages): Likewise.
7808 * configure.in (with-gc): Default to ggc-page always.
7810 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7812 * reload1.c (replace_pseudos_in_call_usage): Use
7813 reg_equiv_constant and reg_equiv_address, and don't try
7814 regno_reg_rtx first.
7816 2001-01-13 Richard Henderson <rth@redhat.com>
7818 * ggc-page.c (alloc_page): Round up allocation size to one page.
7819 Set e->order on extra pages.
7821 2001-01-13 Richard Henderson <rth@redhat.com>
7823 * genrecog.c (nodes_identical): Expand commentary.
7824 (write_switch): Watch out for identical nodes.
7826 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7828 * cppfiles.c (_cpp_fake_include): New function.
7829 * cpphash.h (_cpp_fake_include): New.
7830 * cpplib.c (do_line): Call _cpp_fake_include when entering
7831 header files in preprocessed input.
7832 * cppmain.c (cb_pragma_implementation): Remove handling.
7833 (setup_callbacks): Don't register pragmas.
7835 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7837 * extend.texi: Udate for CPP.
7839 2001-01-13 Andreas Jaeger <aj@suse.de>
7841 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7843 * regmove.c: Add prototype for replace_in_call_usage.
7845 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7847 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7848 struct cpp_chunk, struct htab, struct toklist,
7849 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7850 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7851 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7852 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7853 (struct macro_args): Delete.
7854 * cpphash.h: See above.
7856 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7858 * cppmain.c (struct printer): Remove no_line_dirs.
7860 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7861 : Use options rather than CPP_OPTION.
7862 (setup_callbacks): Use cb rather than pfile->cb.
7863 (main): No need to check for a buffer. Use cpp_errors.
7864 (printer_init): Don't set no_line_dirs.
7865 (maybe_print_line): Use options not no_line_dirs.
7866 (cb_file_change): Don't call print_line if -P.
7868 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7870 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7872 * c-parse.in (finish_parse): Use cpp_errors.
7873 (__yylex): Use return value of cpp_pop_buffer.
7874 * cp/lex.c (finish_parse): Use cpp_errors.
7875 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7877 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7879 * README.AVR: URLs corrected.
7881 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7883 * c-decl.c (start_function): Don't warn if old prototype is builtin
7884 that's not in C's namespace.
7885 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7886 (_bb): Add prototype for ctime.
7887 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7889 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7891 * i386.c (ix86_fp_comparison_arithmetics_cost,
7892 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7893 ix86_fp_comparison_cost): New functions.
7894 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7895 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7896 two-branch sequences; make static.
7897 (ix86_use_fcomi_compare): Do decision according to the costs.
7898 (split_fp_branch): New.
7899 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7900 * i386-protos.h (ix86_expand_fp_compare): Remove
7901 (ix86_split_fp_branch): Declare.
7903 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7904 and ix86_comparison_operator.
7906 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7909 * i386.c (put_condition_code): Output properly the unordered/ordered
7910 compares in fp case.
7911 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7913 * tm.texi (REVERSE_CONDITION): Document.
7914 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7915 in -ffast-math mode.
7916 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7918 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7920 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7922 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7925 * config/sh/sh.c (mova_p): Fix test for mova_const.
7927 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7929 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7930 cpp_get_options rather than dereferencing pfile and using
7932 * scan-decls.c (scan_decls): Use return value of
7933 cpp_pop_buffer rather than CPP_BUFFER.
7935 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7937 * cppinit.c (cpp_handle_option): help_only is now part of the
7938 cpp_options structure.
7939 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7940 cpp_set_callbacks): New functions.
7941 * cpplib.h (cpp_callbacks): Break out as a named structure.
7942 (cpp_options): Move help_only here from cpp_reader.
7943 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7944 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7945 cpp_set_callbacks): New prototypes.
7946 * cppmain.c (main): Update for help_only.
7948 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7950 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7951 Also build and remove and install and uninstall c-tree.info and
7953 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7954 ($(srcdir)/cppinternals.info): New target.
7955 * c-tree.texi: Change file name used when makeinfo used without -o
7956 from ir.info to c-tree.info. Add info directory entry.
7957 * cppinternals.texi: Add info directory entry.
7958 * .cvsignore: Update.
7960 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7962 * c-typeck.c (store_init_value): Don't require constant initializer
7963 elements with -pedantic -std=c99.
7964 (digest_init): Change error about non-constant initializer elements
7966 (constructor_range_end): Remove.
7967 (constructor_incremental, designator_depth,
7968 designator_errorneous): New variables.
7969 (struct constructor_stack): Remove range_end, add incremental.
7970 (struct constructor_range_stack, constructor_range_stack): New.
7971 (struct initializer_stack): Add constructor_range_stack.
7972 (finish_init): Set it.
7973 (start_init): Likewise. require_constant_elements for non-static
7974 trees only if not flag_isoc99.
7975 (really_start_incremental_init): Remove constructor_range_end, add
7976 constructor_incremental.
7977 (pop_init_level): Likewise.
7978 (push_init_level): Likewise. If implicit and the subobject had some
7979 value set already, preinitialize the level with it.
7980 Warn about missing braces only if not pushing due to designators.
7981 (set_designator, push_range_stack): New functions.
7982 (set_init_label): Use them.
7983 (set_init_index): Likewise. Remove constructor_range_end.
7984 Error if designator index is outside of array bounds.
7985 (add_pending_init): Compare values of purpose index trees, not the
7986 trees themselves. Allow overwriting of already initialized element.
7987 Issue a warning if it had side-effects.
7988 (set_nonincremental_init, set_nonincremental_init_from_string): New
7990 (pending_init_member): Rename to...
7991 (find_init_member): ...this function. Call set_nonincremental_init
7992 if necessary. Compare values of purpose index trees, not the trees
7993 themselves. Return the actual value, not just non-zero if something
7995 (output_init_element): Remove checks for duplicates.
7996 If field has zero size, only check the initializer for correctness.
7997 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7998 if constructor_incremental is zero. Change error about initializers
7999 not computable at load time into pedwarn.
8000 (output_pending_init_elements): Compare bit positions, not
8001 FIELD_DECLs to take into account zero-sized fields.
8002 (process_init_element): Use constructor_range_stack to fill all
8003 ranges in the designator lists from current level up.
8004 * extend.texi: Update documentation for labeled elements.
8006 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
8008 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
8009 to function usage for arguments passed by reference. Optimize
8010 callee-copied arguments.
8011 * regmove.c (replace_in_call_usage): New function.
8012 (fixup_match_1): Call it.
8013 * cse.c (cse_insn): Canonicalize registers in function usage.
8014 * reload1.c (replace_pseudos_in_call_usage): New function.
8017 * Makefile.in: Reverted yesterday's wrong patch. Installed the
8020 2001-01-12 Jakub Jelinek <jakub@redhat.com>
8022 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
8025 2001-01-12 DJ Delorie <dj@redhat.com>
8027 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
8028 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
8031 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8033 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
8034 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
8035 -std options alongside references to -ansi. Update some
8036 documentation for C99.
8037 * cpp.1: Regenerate.
8039 2001-01-12 Andreas Jaeger <aj@suse.de>
8041 * haifa-sched.c (restore_line_notes): Remove argument block B
8043 * sched-ebb.c (schedule_ebb): Change caller.
8044 * sched-rgn.c (schedule_region): Likewise.
8045 * sched-int.h (restore_line_notes): Adjust prototype.
8047 * loop.h: Remove wrong declaration of doloop_condition_get.
8049 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8051 * extend.texi: Move C++-extension-related node from the C section
8052 into the C++ section.
8054 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
8056 * extend.texi: Refer to an array of pointers to functions instead
8057 of one of functions.
8059 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
8060 Jan Hubicka <jh@suse.cz>
8062 * combine.c (reversed_comparison): Fix typo in last patch.
8064 (combine_reversed_comparison_code): Make static to follow
8065 prototype declaration.
8067 2001-01-12 Phil Edwards <pme@sources.redhat.com>
8069 * install.texi: Remove misplaced duplicate entry.
8071 2001-01-11 Ulrich Drepper <drepper@redhat.com>
8073 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
8075 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
8077 * final.c: (leaf_function_p): Fix typo.
8079 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
8081 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
8082 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
8084 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
8085 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
8086 mmap_anon, and valloc is available.
8087 * ggc-page.c: Restructure ifdef logic to match new autoconf
8088 spec. Don't throw away the test page in init_ggc.
8090 * configure, config.in: Regenerate.
8092 2001-01-12 Michael Hayes <mhayes@redhat.com>
8094 * loop.h (total_biv_increment): Constify iv_class pointer.
8095 (struct induction): Replace `mem_mode' with `mem' rtx.
8096 * unroll.c (total_biv_increment): Constify iv_class pointer.
8097 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
8098 (find_mem_givs, combine_givs_p): Likewise.
8099 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
8101 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
8103 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
8105 (__gthread_getspecific): Ditto.
8107 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
8109 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
8110 put_condition_code): Convert fp comparison codes to integer
8112 (ix86_expand_fp_compare): Postnote the fp comparison code converison
8115 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
8116 * i386-protos.h (no_comparison_operator): Kill.
8118 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
8120 * combine.c (REVERSIBLE_CC_MODE): Remove.
8121 (reversible_comparison_p): Remove.
8122 (combine_reversed_comparison_code): New.
8123 (reversed_comparison): New.
8124 (combine_simplify_rtx): Use
8125 combine_reversed_comparison_code/reversed_comparison instead
8126 of reversible_comparison_p.
8127 (simplify_if_then_else): Likewise.
8128 (simplify_set): Likewise.
8129 (simplify_logical): Likewise.
8130 (if_then_else_cond): Likewise.
8131 (known_cond): Likewise.
8132 (simplify_comparison): Likewise.
8134 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8136 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8137 sizeof (int) is larger than sizeof(__word__).
8139 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8141 * cppinit.c (do_includes): Fix typo.
8143 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8145 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8146 in S_REGS does not occur because not all sources are possible
8147 when a S_REGS is a destination (sometimes needs a clobber).
8148 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8149 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8150 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8151 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8152 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8153 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8154 (lshrdi_const1, lshrsi3_const16): Likewise.
8155 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8156 (*movhi_68hc12, *movqi_68hc12): Likewise.
8157 (movstrictqi): Make sure reloading in D_REGS as a destination
8160 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8162 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8164 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8166 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8167 -D, -U and -A, and don't initialize the builtins.
8168 (do_includes): Error if -include or -imacros with -fpreprocessed.
8169 * cppmain.c (cb_define, cb_undef): Unconditionally process
8171 * tradcpp.c (main): Fix typo.
8173 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8175 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8176 (read_name_map): Use IS_ABSOLUTE_PATH.
8177 * tradcpp.c (get_filename): Likewise.
8179 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8181 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8182 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8183 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8184 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8185 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8186 (cmphi_z_used): Don't use '@' for the output.
8187 (tstqi_z_used): Likewise.
8188 (cmpqi_z_used): Likewise.
8189 (one_cmplsi2): Likewise.
8191 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8193 * config/sh/sh.c (barrier_align): Recognize branch around far
8194 branch and redundant insn.
8196 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8198 * invoke.texi: Restore documentation of the drivers' switches -MD
8201 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8203 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8205 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8206 check-objc//%): Support parallel testing of multilibs.
8207 (TESTSUITEDIR): Set to testsuite by default, but override for
8209 (check-gcc, check-g++, check-g77, check-objc): Enter
8212 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8214 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8215 * sched-deps.c (deps_may_trap_p): Likewise.
8216 * basic-block.h: Remove a comment.
8217 * flow.c (PROP_POSTRELOAD): Remove.
8218 (update_life_info): Don't add it to prop_flags.
8219 (mark_set_1): Lose the code that was enabled by it.
8221 2001-01-11 Michael Hayes <mhayes@redhat.com>
8223 * flow.c (flow_call_edges_add): New.
8224 * basic_block.h (flow_call_edges_add): New.
8226 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8228 * reload1.c (move2add_note_store): Update reg_set_luid even if
8229 base reg remains the same.
8231 2001-01-10 Nick Clifton <nickc@redhat.com>
8233 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8234 machine_function structure to zero.
8235 Add prototypes for machine_status functions.
8237 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8239 * c-common.h (CTI_VOID_LIST): Remove.
8240 (void_list_node): Likewise.
8241 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8242 (void_list_node): New macro.
8243 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8244 * config/i386/i386.c (ix86_init_builtins): Likewise.
8245 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8247 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8249 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8250 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8252 * tradcpp.c: Include mkdeps.h.
8253 (deps, print_deps_phony_targets, deps_append, output_deps,
8254 init_dependency_output, output_deps): New.
8255 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8256 deps_output): Delete.
8257 (print_deps_missing_files): Rename deps_missing_files.
8258 (inhibit_output): Make global.
8259 (main): Delete inhibit_output, deps_stream, deps_target.
8260 Use mkdeps functionality in the same way as cpplib. Remove
8261 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8262 -M and -MM. Remove old handling of deps via deps_out, and
8263 old reading of environment variables.
8264 (get_filename): Update to use deps_add_dep.
8266 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8268 * output.h (make_function_rtl): Remove prototype.
8269 (make_decl_rtl): Likewise.
8270 * varasm.c (make_function_rtl): Remove.
8271 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8272 than from a third parameter.
8273 * tree.h (make_decl_rtl): Remove last parameter.
8274 * c-decl.c (builtin_function): Remove last argument in call to
8275 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8276 (start_function): Likewise.
8277 * except.c (call_get_eh_context): Likewise.
8278 * expr.c (emit_block_move): Likewise.
8279 (clear_storage): Likewise.
8280 * profile.c (output_func_start_profiler): Likewise.
8281 * toplev.c (rest_of_decl_compilation): Likewise.
8282 * objc/objc-act.c (create_builtin_decl): Likewise.
8283 (synth_module_prologue): Likewise.
8284 (generate_static_reference): Likewise.
8285 (build_selector_reference_decl): Likewise.
8286 (build_class_reference_decl): Likewise.
8287 (build_objc_string_decl): Likewise.
8288 (build_protocol_reference): Likewise.
8290 2001-01-10 Richard Henderson <rth@redhat.com>
8292 * hwint.h: Revert yesterday's change.
8294 2001-01-10 Nick Clifton <nickc@redhat.com>
8296 * function.h (save_machine_status): Delete.
8297 (restore_machine_status): Delete.
8298 Amend comment describing {init|mark|free}_machine_status.
8300 * function.c (save_machine_status): Delete.
8301 (restore_machine_status): Delete.
8302 Amend comment describing {init|mark|free}_machine_status.
8303 (push_function_context_to): Remove invocation of
8304 save_machine_status.
8305 (pop_function_context_from): Remove invocation of
8306 restore_machine_status.
8308 * emit-rtl.c (init_emit_once): Amend comment describing
8309 {init|mark|free}_machine_status.
8311 * tm.texi (Per-Function Data): New node. Describe the
8312 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8315 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8317 * cppinit.c (OPT_g): Remove.
8318 (cpp_handle_option): Update for removed -g3.
8319 (print_help): Update.
8320 * cpplib.h (struct cpp_options): Remove debug_output.
8321 * cppmain.c (setup_callbacks, cb_define): Update.
8322 * gcc.c (cpp_options): Translate -g3 to -dD.
8324 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8326 * config/i960/i960.md: Change modifier to + on the zero_extract
8327 pattern after the (rotate -2 reg) canonicalization pattern.
8329 2001-01-10 Richard Henderson <rth@redhat.com>
8331 * config/alpha/alpha.c (alpha_free_machine_status): New.
8332 (override_options): Install it.
8333 (alpha_mark_machine_status): Verify machine non-null.
8334 * config/i386/i386.c (ix86_free_machine_status): New.
8335 (override_options): Install it.
8336 (ix86_init_machine_status): Use xcalloc.
8337 (ix86_mark_machine_status): Verify machine non-null.
8338 * config/ia64/ia64.c (ia64_free_machine_status): New.
8339 (ia64_override_options): Install it.
8340 (ia64_mark_machine_status): Verify machine non-null.
8342 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8344 * function.c (instantiate_virtual_regs): Instantiate virtual
8345 registers found in CALL_INSN_FUNCTION_USAGE.
8347 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8349 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8350 equivalent to -ansi in disabling -Di386.
8352 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8354 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8356 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8358 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8360 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8362 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8364 * invoke.texi: Document that -fcond-mismatch isn't supported for
8367 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8369 * gcc.texi: Define macro gcctabopt.
8370 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8371 @command, @env and @option in some places where appropriate. Use
8372 @gcctabopt where appropriate. Put URLs and email addresses inside
8375 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8377 * gcc.c (cpp_options): Set MD file name from output
8378 filename, if specified.
8379 (suffix_subst): New static variable.
8380 (do_spec): Clear it.
8381 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8383 (give_switch): Handle suffix_subst.
8385 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8387 * invoke.texi: Fix another typo.
8389 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8391 * invoke.texi: Fix typo.
8393 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8395 * c-lang.c (lang_hooks): Update.
8396 (lang_decode_option): Remove.
8397 (lang_init_options): Rename c_init_options.
8398 * toplev.c (main): Use lang_hooks for lang_init_options
8399 and lang_decode_option.
8400 * toplev.h (lang_hooks): Add 2 new hooks.
8401 * tree.h: Remove lang_init_options and lang_decode_option.
8402 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8403 * cp/decl2.c: Similarly.
8404 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8405 (lang_hooks): Update.
8406 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8408 (lang_init_options): Rename ffe_init_options.
8409 (lang_hooks): Update.
8410 (lang_decode_option): Remove.
8411 * java/lang.c (lang_init_options): Rename java_init_options.
8412 (lang_decode_option): Rename java_decode_option.
8413 (lang_hooks): Update.
8414 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8415 (lang_decode_option): Rename objc_decode_option.
8416 (lang_hooks): Update.
8418 2001-01-09 Nick Clifton <nickc@redhat.com>
8420 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8421 (d30v_return_addr_rtx): Delete.
8422 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8423 cfun->machine structure.
8424 (struct machine_function): Move to d30v.h
8425 (d30v_save_machine_status): Delete.
8426 (d30v_restore_machine_status): Delete.
8427 (d30v_init_machine_status): New Function.
8428 (d30v_mark_machine_status): New Function.
8429 (d30v_free_machine_status): New Function.
8430 (d30v_init_expanders): Use new functions.
8431 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8432 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8433 d30v_return_addr_rtx.
8435 * config/d30v/d30v.h (struct_machine): Move here.
8436 Add eh_epilogue_sp_ofs field.
8438 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8439 field in cfun->machine structure.
8441 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8443 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8444 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8445 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8447 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8449 * objc/lang-options.h: Remove bogus reference to
8452 2001-01-09 Kazu Hirata <kazu@hxi.com>
8454 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8457 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8459 * reload.c (find_reloads_address): Check for eliminable registers
8460 when substituting a constant expression for a pseudo.
8462 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8464 * c-common.c (enum format_type): Add format_type_error.
8465 (decode_format_type): New function.
8466 (decl_attributes): Use it.
8467 (format_kind_info): Adjust comment.
8469 2001-01-09 David O'Brien <obrien@BSDi.com>
8471 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8472 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8474 * config/i386/gnu.h: Don't include required platform specific .h files,
8475 tm.h will do it instead.
8476 * config/i386/i386elf.h: Likewise.
8477 * config/i386/linux.h: Likewise.
8478 * config/i386/moss.h: Likewise.
8479 * config/mips/gnu.h: Likewise.
8481 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8483 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8484 (rs6000-ibm-aix3.[01]*): Likewise.
8485 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8486 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8487 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8488 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8489 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8490 (powerpc-*-eabiaix*): Likewise.
8491 (powerpc-*-eabisim*): Likewise.
8492 (powerpc-*-elf*): Likewise.
8493 (powerpc-*-eabi*): Likewise.
8494 (powerpc-*-rtems*): Likewise.
8495 (powerpc-*-linux*libc1): Likewise.
8496 (powerpc-*-linux*): Likewise.
8497 (powerpc-wrs-vxworks*): Likewise.
8498 (powerpcle-wrs-vxworks*): Likewise.
8499 (powerpcle-*-sysv*): Likewise.
8500 (powerpcle-*-elf*): Likewise.
8501 (powerpcle-*-eabisim*): Likewise.
8502 (powerpcle-*-eabi*): Likewise.
8503 (powerpcle-*-solaris2*): Likewise.
8504 * config/rs6000/aix31.h: Delete includes.
8505 * config/rs6000/aix3newas.h: Likewise.
8506 * config/rs6000/aix41.h: Likewise.
8507 * config/rs6000/aix43.h: Likewise.
8508 * config/rs6000/beos.h: Likewise.
8509 * config/rs6000/rtems.h: Likewise.
8510 * config/rs6000/sysv4.h: Likewise.
8512 2001-01-09 Kazu Hirata <kazu@hxi.com>
8514 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8515 Change an argument mode of machine_mode to shift_mode of
8516 shift_mode. Remove an extra error check.
8517 (emit_a_shift): Adopt to the new calling prototype of
8519 (function_prologue): Fix code for a monitor
8520 function. Support H8/S.
8521 (function_epilogue): Do not output pop for a monitor function.
8523 2001-01-09 Nick Clifton <nickc@redhat.com>
8525 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8526 (setup_incoming_varargs): Use sysv_varargs_p field of the
8527 cfun->machine structure.
8528 (struct machine_function): Move to rs6000.h
8529 (rs6000_save_machine_status): Delete.
8530 (rs6000_restore_machine_status): Delete.
8531 (rs6000_init_machine_status): New Function.
8532 (rs6000_free_machine_status): New Function.
8533 (rs6000_init_expanders): Use new functions.
8535 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8537 (struct machine_function): Move here.
8539 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8540 sysv_varargs_p field of the cfun->machine structure.
8542 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8544 (rs6000_restore_machine_status): Remove prototype.
8546 2001-01-09 Richard Henderson <rth@redhat.com>
8548 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8549 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8550 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8551 (sched_analyze_2, sched_analyze_insn): Likewise.
8552 (sched_analyze, init_deps): Likewise.
8553 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8554 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8555 (compute_block_backward_dependences): Update propagate_deps call.
8557 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8559 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8561 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8563 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8564 (cpp_handle_option): Handle them.
8565 (cpp_post_options): Ensure one of -M or -MM is specified with
8566 any other -M? option.
8567 (init_dependency_output): Suppress output with -MG.
8569 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8572 * invoke.texi: Update.
8574 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8576 * sh.md (reload_outsf): Generate recognizable patterns for
8579 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8581 * c-lang.c (lang_hooks): Update.
8582 (lang_init): Rename c_init.
8583 (lang_finish): Remove.
8584 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8586 * toplev.h (lang_hooks): Add init () and finish ().
8587 * tree.h (lang_init, lang_finish): Remove.
8588 * cp/tree.h (lang_init, lang_finish): Remove.
8589 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8590 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8592 (lang_init, lang_finish): Remove.
8593 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8594 (lang_hooks): Update.
8595 * java/lang.c (lang_init): Rename java_init.
8596 (lang_finish): Remove.
8597 (lang_hooks): Update.
8598 * objc/objc-act.c (lang_init): Rename objc_init.
8599 (lang_finish): Remove.
8600 (lang_hoooks): Update.
8602 20001-01-09 Graham Stott <grahams@redhat.com>
8604 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8605 after `ptr` is initialised.
8607 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8609 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8610 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8611 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8612 stack adjusts, instead of r3.
8614 2001-01-09 Michael Hayes <mhayes@redhat.com>
8616 * flow.c (flow_loop_scan): Break out of ...
8617 (flow_loops_find) ... here.
8618 * basic-block.h (flow_loop_scan): New.
8619 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8620 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8622 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8624 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8626 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8627 realloc()ing macro_buffer.
8629 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8630 if it's wider than long and the target's long is wider than the
8633 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8635 Remove support for using UWIN as a host machine.
8636 * configure.in: Issue an error message.
8637 * configure: Regenerated.
8638 * config.gcc: Remove xm_* UWIN configury.
8639 * config/i386/xm-uwin.h: Remove.
8641 2001-01-08 Nick Clifton <nickc@redhat.com>
8643 * config/v850/v850.c (ra_rtx): Delete.
8644 (v850_save_machine_status): Delete.
8645 (v850_restore_machine_status): Delete.
8646 (v850_init_machine_status): New function.
8647 (v850_mark_machine_status): New function.
8648 (v850_free_machine_status): New function.
8649 (v850_return_addr): Use ra_rtx field in machine structure.
8650 (v850_init_expanders): Use new functions.
8652 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8653 * config/v850/v850.c: Change arguments to v850_output+* functions
8654 to take a const char *, to avoid compile time warning.
8655 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8656 (USER_LABEL_PREFIX): Redefine.
8658 2000-01-08 Jim Wilson <wilson@redhat.com>
8660 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8661 1 to unsigned HOST_WIDE_INT before left shift.
8663 2001-01-08 Nick Clifton <nickc@redhat.com>
8665 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8666 the machine structure has been allocated.
8667 (arm_free_machine_status): New function: Free the machine
8668 specific function structure.
8670 2001-01-08 Richard Henderson <rth@redhat.com>
8672 * jump.c (simplejump_p): Revert last change.
8674 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8676 * cppinit.c (init): Rename init_library.
8677 (cpp_create_reader): Update.
8678 * gcc.c (cpp_options): If -o given, use it as the target of
8681 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8683 * arm.c (arm_arch5e): New variable.
8684 (all_cores): XScale is a 5TE device.
8685 (arm_override_options): Set arm_arch5e.
8686 (arm_init_builtins): __builtin_prefetch is in arch5e.
8687 * arm.h (arm_arch5e): Declare it.
8689 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8691 * arm.md (define_constants): Add defines for UNSPEC and
8692 UNSPEC_VOLATILE insns. Update all users.
8693 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8694 * arm.c (multi_register_push, note_invalid_constants)
8695 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8696 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8697 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8699 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8701 * jump.c (jump_optimize_1): Use reversed_comparison_code
8702 instead of can_reverse_comparison_p.
8703 (jump_back_p): Likewise.
8704 (invert_exp_1): Likewise.
8705 (thread_jumps): Likewise.
8706 * simplify-rtx.c (simplify_unary_operation): Likewise.
8707 (simplify_ternary_operation): Likewise.
8708 * cse.c (find_comparison_args): Convert to use
8709 can_reverse_comparison_p.
8710 (record_jump_equiv): Likewise.
8712 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8714 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8715 (EPILOGUE_USES): Define.
8716 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8717 automatically stack the LR if it isn't live.
8719 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8721 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8724 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8726 * ggc-page.c (max_alignment): New structure.
8727 (MAX_ALIGNMENT): New macro.
8728 (init_ggc): Use it to round up the sizes in the
8729 extra_order_size_table.
8731 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8733 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8736 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8738 * builtins.def (BUILT_IN_FPRINTF): New entry.
8740 * c-common.c (c_expand_builtin_fprintf): New function.
8741 (init_function_format_info): Handle __builtin_fprintf.
8742 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8743 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8745 * c-decl.c (duplicate_decls): Adjust comment.
8747 * extend.texi (fprintf): Document new builtin.
8749 2001-01-07 Richard Henderson <rth@redhat.com>
8751 * jump.c (simplejump_p): Recognize any single_set jump
8754 2001-01-07 Richard Henderson <rth@redhat.com>
8756 * configure.in (slibdir): Accept an --with-slibdir option.
8757 Use "test" not "[" in configure. Default to $(libdir).
8759 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8761 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8762 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8763 (SHLIB_LINK): Create links for the soname.
8764 * config/mips/t-iris6: Likewise.
8765 * config/sparc/t-slibgcc: Likewise.
8766 * config/sparc/t-slibgcc-sld: Likewise.
8768 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8770 * config/i386/i386.c (constant_call_address_operand): Accept
8771 (const (plus (symbol_ref) (const_int))).
8772 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8773 constant_call_address_operand.
8775 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8777 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8778 and LONG_LONG_TYPE_SIZE > 32.
8780 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8782 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8783 the previous change.
8785 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8787 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8789 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8790 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8791 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8794 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8796 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8798 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8800 * c-lang.c (c_post_options): Call cpp_post_options.
8801 * objc/objc-act.c (objc_post_options): Similarly.
8802 * cppmain.c (main): Similarly.
8803 * fix-header.c (read_scan_file): Similarly.
8804 * cppinit.c (cpp_start_read): Move option consistency checks
8805 to cpp_post_options. Don't call init_dependency_output.
8806 If needed, add default target and main file dependency.
8807 (OPT_MD, OPT_MMD): Remove.
8809 (cpp_handle_option): Update for OPT_* changes.
8810 (cpp_post_options): New.
8811 (init_dependency_output): Command line -MF overrides environment
8812 variables. Don't set default target etc. Suppress output
8813 if dependencies are going to stdout.
8814 (print_help): Update.
8815 * cpplib.h (cpp_post_options): New.
8816 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8818 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8820 * jump.c (comparison_dominates_p): Support unordered compares.
8822 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8824 * simplify-rtx.c (simplify_relational_operation): Always simplify
8825 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8828 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8830 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8831 (nonzero_bits): Likewise.
8832 (simplify_comparison): Likewise.
8833 (num_sign_bit_copies): Likewise; return more sane value depending
8834 on STORE_FLAG_VALUE.
8835 (known_cond): Do not assume EQ to be always true for equivalent
8838 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8840 * cse.c (fold_rtx): Handle unordered comparisons.
8842 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8844 * rtlanal.c (set_of_1): New static function.
8845 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8846 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8847 reg_set_last_last_regno): Remove.
8848 (set_of): New global function.
8849 (set_of_data): New structure.
8850 (reg_set_p, reg_set_last): Revamp for set_of.
8851 * rtl.h (set_of): New.
8853 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8855 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8856 * extend.texi: Document _Exit builtin.
8858 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8860 * (initialize, initialize_builtins,
8861 initialize_dependency_output, initialize_standard_includes):
8862 Rename s/initialize/init. Update.
8863 (init_dependency_output): Move to after
8864 cpp_handle_options, the correct location temporally at least.
8865 (opt_comp): Move next to init (), its caller. Fix prototype.
8866 (init): Make "initialized" local scope.
8867 (cpp_create_reader): Always call init ().
8868 (cpp_start_read): Update.
8869 (output_deps): New function, broken out of cpp_finish.
8870 (cpp_finish): Break out output_deps.
8872 2001-01-07 Richard Henderson <rth@redhat.com>
8874 * collect2.c (COFF specific stuff): Revert 12-06 patch
8875 to prototype system functions.
8877 2001-01-07 Michael Hayes <mhayes@redhat.com>
8879 * hard-reg-set.h: Add multiple include guard.
8880 * basic-block.h (struct loop): Add `sink' field.
8881 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8882 (emit_iv_add_mult): Delete.
8883 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8884 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8885 (unroll_loop): Remove end_insert_before argument.
8886 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8887 (maybe_eliminate_biv_1): Likewise.
8888 (emit_iv_add_mult): Delete.
8889 (gen_add_mult, loop_regs_update): New.
8890 (loop_insn_emit_after, loop_insn_emit_before): New.
8891 (loop_insn_sink, loop_insn_sink_or_swim): New.
8892 (emit_iv_add_mult): Delete.
8893 (scan_loop): Set loop->sink.
8894 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8895 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8896 (maybe_eliminate_biv_1): Likewise.
8897 (maybe_eliminate_biv_1): Add basic block argument.
8898 * unroll.c (unroll_loop): Remove end_insert_before argument.
8899 (find_splittable_regs): Likewise.
8900 (find_splittable_regs): Use loop_insn_sink and its ilk.
8901 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8903 2001-01-07 Michael Hayes <mhayes@redhat.com>
8905 * loop.h (loop_insn_hoist): New prototype.
8906 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8907 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8908 (check_dbra_loop, load_mems): Likewise.
8909 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8910 (find_splittable_givs): Likewise.
8912 2001-01-07 Michael Hayes <mhayes@redhat.com>
8914 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8916 2001-01-07 Richard Henderson <rth@redhat.com>
8918 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8920 2001-01-07 Richard Henderson <rth@redhat.com>
8922 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8923 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8924 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8925 variant that handles a shared libgcc.
8926 (process_command): Always validate -{static,shared}-libgcc.
8927 (do_spec_1): New 'M' case.
8928 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8930 2001-01-07 Richard Henderson <rth@redhat.com>
8932 * Makefile.in (slibdir): New variable.
8933 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8934 (installdirs): Create slibdir.
8935 (install-libgcc, install-multilib): Defer to libgcc.mk.
8936 * configure.in (slibdir): Substitute.
8937 * mklibgcc.in (install): New target.
8939 * config/t-linux (SHLIB_LINK): Create links for the soname.
8940 (SHLIB_INSTALL): New.
8941 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8942 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8943 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8944 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8945 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8947 2001-01-07 Richard Henderson <rth@redhat.com>
8949 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8950 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8951 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8953 2001-01-07 Michael Hayes <mhayes@redhat.com>
8955 * loop.c (count_loop_regs_set): Delete.
8956 (load_mems_and_recount_loop_regs_set): Delete.
8957 (loop_regs_scan): Merge common code from count_loop_regs_set,
8958 scan_loop, and load_mems_and_recount_loop_regs_set.
8959 (scan_loop): Call load_mems directly and loop_regs_scan
8960 again if new registers created.
8962 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8964 * toplev.c (main): Call the front-end specific post_options
8965 hook if one is given.
8966 * toplev.h (struct_lang_hooks, lang_hooks): New.
8967 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8968 for the C front end.
8969 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8970 lang_hooks for the C++ front end.
8971 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8972 lang_hooks for the ObjC front end.
8973 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8974 * java/lang.c (lang_hooks): Hooks for the Java front end.
8976 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8978 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8979 for verbose DWARF[2] debugging.
8980 (cb_define, cb_undef): The new callbacks.
8981 * toplev.h (debug_define, debug_undef): Make const correct.
8982 * toplev.c (debug_define, debug_undef): Similarly. Do not
8983 perform the verbosity tests here anymore.
8985 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8987 * reload.c (subst_reloads): Take INSN argument. When
8988 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8989 * reload.h (subst_reloads): Adjust prototype.
8990 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8991 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8992 present in JUMP_INSNs and copy them to JUMP_LABEL.
8993 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8994 JUMP_INSNs and insns with REG_LABELs that are followed by
8995 JUMP_INSNs with the same REG_LABEL.
8996 * sched-rgn.c (is_cfg_nonregular): Likewise.
8997 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8999 * unroll.c (unroll_loop): Look for REG_LABEL notes in
9001 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
9003 2001-01-06 Richard Henderson <rth@redhat.com>
9005 * loop.c (scan_loop): Use xcalloc for the regs array.
9006 (load_mems_and_recount_loop_regs_set): Zero the new memory
9007 received from xrealloc.
9009 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
9011 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
9013 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
9015 * integrate.c (copy_rtx_and_substitute): When copying
9016 an ignored return value, strip REG_FUNCTION_VALUE_P.
9018 2001-01-06 Michael Hayes <mhayes@redhat.com>
9020 * loop.c (debug_biv, debug_giv): New.
9021 (loop_biv_dump): Break out from ...
9022 (record_biv): ... here.
9023 (loop_giv_dump): Break out from ...
9024 (record_giv): ... here.
9025 (loop_bivs_check): Use print_simple_rtl.
9026 * unroll.c (loop_iterations): Use print_simple_rtl.
9028 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
9030 * pa.md (return, return_internal): Modify patterns to prevent regrename
9031 mucking with the return pointer.
9033 2001-01-05 Richard Henderson <rth@redhat.com>
9035 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
9037 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
9039 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
9040 version supplied by Matteo Frigo.
9042 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9044 * cpp.texi: Update for -MQ.
9045 * cppinit.c (cpp_create_reader): Always create pfile->deps.
9046 (cpp_cleanup): Always free pfile->deps.
9047 (initialize_dependency_output): Don't create pfile->deps.
9048 (cpp_handle_option): Similarly.
9050 * gcc.c (cpp_options): Handle -MQ.
9051 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9052 * mkdeps.c (base_name): Remove.
9053 (deps_init): Don't allocate vector space until it's needed.
9054 (deps_free): Only free vectors if allocated.
9055 (deps_add_target, deps_add_dep): Update for initial allocation.
9056 (deps_add_default_target): Don't strip to the base_name.
9058 2001-01-05 DJ Delorie <dj@redhat.com>
9060 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
9061 (INIT_EXPANDERS): Define.
9063 * config/v850/v850.c (struct machine_function): Define.
9064 (v850_save_machine_status): New function.
9065 (v850_restore_machine_status): New function.
9066 (v850_return_addr): New function.
9067 (v850_init_expanders): New function.
9069 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
9070 and v850_init_expanders.
9072 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9074 * cpplib.h (struct cpp_reader): Add help_only field.
9075 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
9076 (cpp_handle_option): Set pfile->help_only if we see -h,
9077 --help, -target-help, or --version. Print version string but
9078 do not set help_only if we see -v or -version. Make text
9079 printed by -v match that printed by (-)-version.
9081 * cppmain.c (main): Exit after option parsing if
9082 pfile->help_only is true.
9084 * toplev.c (independent_decode_option): Call print_version,
9085 then exit, if we see --version (but not -version).
9086 (print_version): Split lengthy message into two lines.
9088 2001-01-05 Nick Clifton <nickc@redhat.com>
9090 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
9091 temporary string for initialisation before calling ggc_alloc_string.
9093 2001-01-06 Michael Hayes <mhayes@redhat.com>
9095 * rtl.h (print_simple_rtl): New.
9096 * print-rtl.c (print_simple_rtl): New.
9098 (print_rtx): Disable printing of flags and modes, etc.,
9099 if `flag_simple` nonzero.
9101 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
9103 * function.c (fixup_var_refs): Use push_to_full_sequence where
9106 2001-01-05 Michael Meissner <meissner@redhat.com>
9108 * flags.h (flag_reorder_blocks): Add declaration.
9109 (flag_rename_block): Ditto.
9111 2001-01-05 DJ Delorie <dj@redhat.com>
9113 * function.c (reorder_blocks): Make sure the flags are all reset
9114 before using them to mark blocks, else a second invocation will
9115 corrupt the block chain.
9116 (reorder_blocks_0): New, resets the flags.
9118 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
9120 * cse.c (find_comparison_args): Stop if the argument is known to
9123 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9125 * config/sh/sh.md (movdf): When splitting load into pair of
9126 registers, don't clobber the register used in the address too
9129 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9131 * varasm.c (mark_constant_pool): Improve initial comments.
9132 (mark_constants): Move marking of constants to mark_constant.
9133 (mark_constant): New function to recursively mark all constants
9134 referred to by a constant.
9136 2001-01-05 Catherine Moore <clm@redhat.com>
9138 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9140 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9142 * cp/lang-options.h: Bring comment in line with reality.
9143 * f/lang-options.h: Likewise.
9144 * java/lang-options.h: Likewise.
9145 * objc/lang-options.h: Likewise.
9146 * ch/lang-options.h: Likewise.
9147 * f/g77.texi: And update the manual.
9149 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9150 Denis Chertykov <denisc@overta.ru>
9152 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9153 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9154 * config/avr/avr.md (all peepholes that request a scratch register):
9155 Call it, FAIL the peephole if not safe (in interrupt functions).
9157 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9159 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9161 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9163 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9165 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9166 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9167 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9168 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9169 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9171 * extend.texi: Document these builtins.
9173 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9175 * c-common.c (lang_get_alias_set): Say we know nothing of
9176 VECTOR_TYPE aliasing.
9178 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9180 2001-01-05 Bruce Korb <bkorb@gnu.org>
9182 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9183 their x* equivalent versions for atexit-less systems
9184 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9185 systems (or any other system any more).
9187 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9189 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9190 output operands. Use arm_hard_register_operand for operand 4.
9191 (stmsi_postinc): Similarly.
9192 (ldmsi): Use arm_hard_register_operand for opernand 2.
9194 * arm.c (arm_hard_register_operand): New function.
9195 * arm-protos.h (arm_hard_register_operand): Prototype it.
9197 * arm.h (HARD_REGNO_RENAME_OK): Define.
9199 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9201 * simplify-rtx.c (cfc_args): add "unordered" field.
9202 (check_fold_consts): Set unordered field.
9203 (simplify_relational_operation): Simplify the unordered
9206 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9209 * emit-rtl.c (try_split): Fix code to mark labels.
9210 * jump.c (mark_jump_label): Make global.
9211 * rtl.h (mark_jump_label): Declare.
9213 * predict.c (estimate_probability): Handle unordred comparisons.
9215 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9217 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9218 * cppinit.c (initialize_dependency_output): Update.
9219 (cpp_finish): Output dummy targets for -MP.
9221 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9222 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9223 * gcc.c (cpp_options): Update to handle -MP.
9224 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9225 to quote only the default target.
9226 (deps_phony_targets): Insert a preceding newline. Rename from
9227 deps_dummy_targets for consistency.
9230 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9232 * calls.c (emit_library_call_value_1): Support
9233 INIT_CUMULATIVE_LIBCALL_ARGS.
9234 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9236 2001-01-04 Richard Henderson <rth@redhat.com>
9238 * c-decl.c (finish_struct): Detect flexible array members
9239 used in an inappropriate context.
9240 * c-typeck.c (really_start_incremental_init): Special case
9241 constructor_max_index for zero length arrays.
9242 (pop_init_level): Allow initialization of flexible array
9243 members. Deprecate initialization of zero length arrays.
9244 Don't issue missing initializer warning for flexible array
9245 members or zero length arrays.
9246 (process_init_element): Don't dereference null DECL_SIZE.
9247 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9248 Don't abort for empty constructors. Use size_binop
9249 (output_constructor): Add commentary regarding zero length
9250 array futures. Abort if we try to initialize an array of
9251 unspecified length with a non-empty constructor in the middle
9254 * extend.texi (Zero Length): Update and clarify documentation
9255 on static initialization.
9257 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9259 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9260 with more than 32767 words of local storage.
9262 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9264 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9265 for 'abs', 'labs', and 'fabs'.
9266 (c4x_expand_builtin): Likewise.
9267 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9269 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9271 * config/sh/sh.md (prget, prset): New insn types.
9272 (return delay slot): Dont' allow prset.
9273 (call, sfunc delay slot): Don't allow prget.
9274 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9275 for prset and prget.
9277 2001-01-05 Michael Hayes <mhayes@redhat.com>
9279 * loop.h (struct loop_reg): New.
9280 (struct loop_regs): Change to use array of `struct loop_reg'.
9281 * loop.c: Replace assortment of varrays with single regs array.
9282 (count_one_set): Delete may_not_move array argument
9283 and use regs array instead. All caller's changed.
9284 (count_loop_regs_set): Delete may_not_move and single_usage
9285 arguments and use regs array instead. All caller's changed.
9286 (find_single_use_in_loop): Replace usage array argument with pointer
9287 to regs structure. All caller's changed.
9288 (loop_optimize): Delete `moved_once' array.
9290 2001-01-05 Michael Hayes <mhayes@redhat.com>
9292 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9293 Use it instead of loop_info->has_call for scanning loop mems.
9294 (check_dbra_loop): Replace loop_info->has_call test with
9295 loop_info->has_nonconst_call.
9297 2000-01-04 Matthew Hiller <hiller@redhat.com>
9299 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9302 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9304 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9305 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9307 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9309 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9310 (flag_short_double, flag_short_wchar): Define.
9311 (c_common_nodes_and_builtins): Create many tree nodes shared
9312 between C and C++ here instead of in cp/decl.c and ...
9313 * c-decl.c (init_decl_processing): ... here.
9314 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9315 (flag_short_double, flag_short_wchar): Don't define.
9316 (record_builtin_type): New function.
9317 (build_void_list_node): New function.
9318 * c-common.h (flag_short_double, flag_short_wchar,
9319 record_builtin_type, build_void_list_node): Declare.
9321 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9323 * integrate.c (expand_inline_function): Don't put a virtual
9324 register into the reg map.
9326 * function.c (fixup_var_refs_1): If force_operand didn't put
9327 the address into the target, move it there.
9329 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9331 Special-case tree_decl/tree_list allocations.
9332 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9333 (OBJECT_SIZE): New macro.
9334 (NUM_EXTRA_ORDER): Likewise.
9335 (extra_order_size_table): New variable.
9336 (NUM_ORDERS): New macro.
9337 (objects_per_page_table): New variable.
9338 (object_size_table): New variable.
9339 (G.pages): Use NUM_ORDERS to bound the array.
9340 (G.page_tails): Likewise.
9341 (DIV_ROUND_UP): Remove.
9342 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9343 (alloc_page): Use OBJECT_SIZE.
9344 (size_lookup): Don't make it const.
9345 (ggc_alloc): Use OBJECT_SIZE.
9346 (ggc_set_mark): Likewise.
9347 (ggc_get_size): Likewise.
9348 (init_ggc): Set up the object_size_table, objects_per_page_table,
9349 and adjust size_lookup.
9350 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9351 (ggc_pop_context): Use NUM_ORDERS.
9352 (clear_marks): Likewise.
9353 (sweep_pages): Likewise.
9354 (poison_pages): Likewise.
9355 (ggc_print_statistics): Use OBJECT_SIZE.
9357 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9359 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9360 Only call array_size_for_constructor if last field and array type
9361 with no upper bound.
9363 2001-01-04 Philip Blundell <philb@gnu.org>
9365 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9366 from bit 31 downwards, if this requires no more insns.
9367 (count_insns_for_constant): New helper function for above.
9369 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9371 * gencodes.c (output_predicate_decls): Remove empty initializer.
9373 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9375 * tree.c (copy_node): Remove documentation about obstacks.
9376 (buidl1): Check that nobody tries to build 2-argument nodes this
9379 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9381 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9384 * gencodes.c (output_predicate_decls): Fill empty initializer
9387 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9389 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9390 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9392 (do_include): Handle missing headers like cpp0.
9393 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9394 paths with first include pathname. Don't strcat to uninitialized
9397 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9399 * regrename.c (regrename_optimize): Don't rename from frame pointer
9400 if frame_pointer_needed.
9401 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9402 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9403 (ia64_reorg): Use it instead of scheduling if ! optimize.
9404 (errata_emit_nops): Properly call asm_noperands.
9405 (ia64_sched_reorder): Finish cycle if we see an asm.
9406 (ia64_variable_issue): Clear scheduling state after asms.
9408 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9410 * cpp.texi: Update for -MT.
9411 * cppinit.c (initialize_dependency_output): Add a default
9412 target if none has been given already.
9413 (no_tgt, OPT_MT): New.
9414 (cpp_handle_option): Handle -MT. Update -M etc.
9415 * cpplib.h (struct cpp_options): Remove deps_target.
9416 * gcc.c (cpp_options): Handle -MT.
9417 * mkdeps.c (struct deps): Move from mkdeps.h.
9418 (deps_calc_target): Rename deps_add_default_target. Add a
9419 default target if none has been specified already.
9420 * mkdeps.h (struct deps): Move to mkdeps.c.
9421 (deps_calc_target): Rename deps_add_default_target.
9423 2000-01-03 Richard Henderson <rth@redhat.com>
9425 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9427 * c-typeck.c (push_init_level): Move checks for flexible array
9428 members and zero length arrays ...
9429 (pop_init_level): ... here. Silently discard empty initializations.
9431 * varasm.c (output_constructor): Update for sizeof change to
9434 * extend.texi (Zero Length): Clarify semantics.
9436 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9438 * configure.in (tm.h): Include isns-codes.h last.
9439 * configure: Rebuilt.
9441 2001-01-03 Richard Henderson <rth@redhat.com>
9443 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9444 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9446 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9448 * tradcpp.c (main): Make sure finclude() is called with a valid
9449 indepth value while handling -include.
9451 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9453 * gencodes.c (output_predicate_decls): New function.
9455 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9456 even if it is not the first time machmode.h is #included.
9457 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9458 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9459 * gcc.texi (Copyright): Added 2001.
9461 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9463 * c-common.c (c_common_lang_init): New function. Warn if format
9464 warning options which only have effects when used with -Wformat
9465 are used without -Wformat.
9466 * c-common.h (c_common_lang_init): Declare.
9467 * c-lang.c (lang_init): Call c_common_lang_init.
9468 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9470 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9472 * configure.in: Check for the mktemp command.
9473 * configure: Regenerate.
9474 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9475 $TEMP. Create temporary files with mktemp, if available at
9476 configure time; otherwise use set -C. Remove temporary files
9479 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9481 * configure.in: Require at least texinfo 4.0. Check for whether
9482 Pod::Man is sufficiently recent to regenerate GCC manpages.
9483 * configure: Regenerate.
9484 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9486 (GENERATED_MANPAGES): Define.
9487 (generated-manpages): New target. Depend on cpp.1 as well as
9489 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9490 configure to generated-manpages or empty) rather than on the
9491 manpages directly. Remove execute permission from installed
9492 gcov.1 as well as cpp.1.
9493 * cpp.1, gcov.1: Regenerate.
9495 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9497 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9498 tree_low_cst. Allow using cmpstrsi in more cases.
9500 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9502 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9505 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9507 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9508 * Makefile.in (HOST_CFLAGS): Mention build-make.
9510 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9512 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9515 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9517 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9520 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9523 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9524 reg_base_value and reg_known_value arrays.
9525 (init_alias_analysis): Add more cases to detect known values.
9526 * sched-deps.c (deps_may_trap_p): New function.
9527 (sched_analyze_2): Use it.
9529 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9531 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9532 don't discard an ASHIFTRT if we're shifting in a wider mode.
9534 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9536 * toplev.c (rest_of_compilation): Don't print basic block information
9537 when CFG isn't up to date.
9539 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9541 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9542 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9543 (UNALIGNED_SHORT_ASM_OP): Define.
9544 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9546 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9548 * fold-const.c (fold_convert): Fix typo.
9550 2001-01-02 Richard Henderson <rth@redhat.com>
9552 * c-common.h (ASM_INPUT_P): New.
9553 * c-parse.in (asm): Set it when needed.
9554 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9555 existance of an operand.
9557 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9559 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9560 (dwarf2out_frame_debug_expr): Likewise.
9561 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9563 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9565 * i386.c (ix86_split_to_parts): Return number of part required;
9567 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9569 (ix86_split_long_move): Use number of part returned
9570 by ix86_split_to_parts
9571 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9573 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9574 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9575 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9576 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9577 (ALIGN_MODE_128): Add TFmode.
9578 (IS_STACK_MODE): Likewise.
9579 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9580 (HARD_REGNO_OK): Support TFmodes.
9581 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9582 * i386.md (scheduler definitions): Use memory operand to determine
9583 fst/fld instructions; use mode attribute to determine real mode of
9585 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9586 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9588 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9590 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9592 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9594 * expr.c (store_constructor_field): Update ALIGN before calling
9597 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9599 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9602 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9604 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9607 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9609 * c-decl.c (start_function): Don't warn on third parameter to main.
9611 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9613 * tsystem.h: Define HAVE_DECL_GETOPT.
9615 2001-01-02 Philip Blundell <pb@futuretv.com>
9617 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9620 2001-01-02 Richard Henderson <rth@redhat.com>
9622 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9624 2001-01-02 Andreas Jaeger <aj@suse.de>
9626 * c-decl.c (c_decode_option): Remove support of
9629 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9630 (W_options): Add -Wmissing-noreturn here.
9632 * flow.c: Define lang_missing_noreturn_ok_p.
9633 (check_function_return_warnings): Use it.
9635 * c-common.h: Declare lang_missing_noreturn_ok_p.
9637 * c-lang.c (c_missing_noreturn_ok_p): New function.
9638 (lang_init): Set lang_missing_noreturn_ok_p.
9640 * invoke.texi (Warning Options): Document this.
9642 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9644 * extend.texi (C++ Extensions): New node for C++ attributes;
9645 describe init_priority and com_interface.
9646 * invoke.texi: Remove -finit-priority as it now has zero effect.
9647 * install.texi: Fix xref syntax.
9648 * md.texi: Likewise.
9650 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9652 * config.gcc (sparc64-wrs-vxworks*): New case.
9653 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9655 * config/sparc/sparc.c (sparc_override_options): Do support different
9656 pointer and architecture size.
9657 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9658 (POINTERS_EXTEND_UNSIGNED): Define.
9659 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9660 (FUNCTION_MODE): Define to be Pmode.
9661 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9663 * function.c (expand_function_end): Properly handle DECL_RESULT
9664 and copy when ptr_mode != Pmode.
9665 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9667 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9669 * c-common.c (c_common_nodes_and_builtins): Set prototype
9670 parameters for __builtin_fputs, __builtin_fputc and
9671 __builtin_fwrite. Don't declare plain fputc as a builtin.
9673 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9675 * loop.c (add_label_notes): Increment the label usage count when
9676 a note is added to an insn which refers to a CODE_LABEL.
9677 * gcse.c (add_label_notes): Likewise.
9679 2001-01-01 Andreas Jaeger <aj@suse.de>
9681 * loop.c (scan_loop): Use xmalloc to allocate movables.
9683 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9685 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9686 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9687 * reload1.c (REGISTER_MOVE_COST): Likewise.
9688 * regclass.c (REGISTER_MOVE_COST): Likewise.
9689 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9690 dimension. Adjust all users.
9691 (init_reg_sets_1): Iterate on all modes.
9692 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9693 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9694 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9695 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9696 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9697 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9698 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9699 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9700 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9701 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9702 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9703 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9704 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9705 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9706 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9707 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9708 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9709 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9710 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9711 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9712 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9713 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9714 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9715 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9716 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9717 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9718 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9720 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9722 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9723 arg VARIES_P. Call it with extra arg.
9724 (true_dependence): Likewise.
9725 * rtl.h (rtx_addr_can_trap_p): Declare.
9726 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9728 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9729 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9730 pic offset table register if it's zero. All callers changed.
9731 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9733 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9735 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9736 STRING_POOL_ADDRESS_P.
9738 * config/sparc/sparc.c (input_operand): Properly test for short op.
9740 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9741 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9742 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9743 * config/sparc/elf.h: No longer include sol2.h.
9744 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9745 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9747 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9749 2001-01-01 Michael Hayes <mhayes@redhat.com>
9751 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9752 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9753 (record_initial): Likewise.
9754 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9755 (remap_split_bivs): Likewise.
9757 2001-01-01 Michael Hayes <mhayes@redhat.com>
9759 * loop.c (loop_ivs_free): New function.
9760 (strength_reduce): Break out from...
9762 2001-01-01 Michael Hayes <mhayes@redhat.com>
9764 * loop.h (struct iv): New.
9765 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9766 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9767 'reg_biv_class' fields with 'regs' and 'n_regs'.
9768 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9769 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9770 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9772 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9774 * resource.c (mark_referenced_resources): Abort() before
9775 attempting to mark a pseudo register.
9776 (mark_set_resources): Likewise.
9778 2001-01-01 Michael Hayes <mhayes@redhat.com>
9780 * loop.h (REG_IV_CLASS): New accessor macro.
9781 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9782 * unroll.c (REG_IV_CLASS): Likewise.
9784 See ChangeLog.4 for earlier changes.
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