1 2001-05-01 Zack Weinberg <zackw@stanford.edu>
3 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4 Remove references to deleted files.
5 (*-*-openbsd): No need to override xmake_file.
6 (*-*-sysv4): Treat like *-*-sysv.
8 * configure.in: Probe for ldopen in various places, and set up
9 collect2 to be linked with them if found.
10 Don't dink with Windows registry stuff unless $host_os is a
11 Win32 os name. Check to see if we need -ladvapi32.
12 * configure: Regenerate.
14 * Makefile: Get rid of CLIB and HOST_CLIB.
15 Substitute in COLLECT2_LIBS and link collect2 against its contents.
16 * build-make: Get rid of HOST_CLIB.
18 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
19 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
20 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
21 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
22 config/rs6000/x-rs6000: Delete.
24 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
27 24 x-host fragments remain, 0 x-cpu, 3 top level.
29 2001-05-01 Zack Weinberg <zackw@stanford.edu>
31 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
32 * configure: Regenerate.
34 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
36 * Makefile.in (install-headers): Remove redundant dependency.
38 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
40 * c-tree.texi (USING_STMT): Document.
42 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
45 * c-common.c: Likewise.
47 * combine.c: Likewise.
52 * fold-const.c: Likewise.
53 * function.c: Likewise.
56 * integrate.c: Likewise.
58 * objc/objc-act.c: Likewise.
60 * reg-stack.c: Likewise.
62 * reload1.c: Likewise.
63 * simplify-rtx.c: Likewise.
67 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
69 * diagnostic.def: New file.
70 * diagnostic.h (diagnostic_t): New enum.
71 * Makefile.in (diagnostic.o): Depend on diagnostic.def
73 2001-04-30 Zack Weinberg <zackw@stanford.edu>
75 * tsystem.h: Test only POSIX for availability of string.h
77 * config.gcc (all systems): If USG appeared in xm_defines,
78 change it to POSIX. If both USG and POSIX appeared, just
79 delete USG. Remove unnecessary quotes around xm_defines
81 (m68k-crds-unos*): Don't #define unos - tested nowhere.
82 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
83 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
84 powerpc-*-linux*): No need to set xm_defines - handled by
85 global settings for *-*-linux*.
87 2001-04-30 Zack Weinberg <zackw@stanford.edu>
89 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
90 Always include gstab.h, not system stab.h. Don't provide
91 default definitions of N_CATCH or N_OPT. Always use the
92 gstab.h variant of STAB_CODE_TYPE.
93 * final.c: Don't include stab.h/gstab.h at all, or provide
94 defaults for N_SLINE and N_SOL.
96 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
97 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
99 * sdbout.c: Always include gsyms.h instead of system syms.h.
101 * configure.in: No need to check for stab.h.
102 * configure, config.in: Regenerate.
103 * Makefile.in (final.o): Don't depend on gstab.h.
105 2001-04-30 Mark Mitchell <mark@codesourcery.com>
106 Richard Henderson <rth@redhat.com>
108 * extend.texi: Improve documentation of volatile asms.
110 2001-04-30 Mark Mitchell <mark@codesourcery.com>
112 * c-tree.texi: Fix thinko.
113 * gcc.texi: Likewise.
115 2001-04-30 Richard Henderson <rth@redhat.com>
117 * c-common.c (c_promoting_integer_type_p): New function, from the
118 corpse of old macro. Properly promote too-small enumerations and
119 booleans. Adjust all callers.
120 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
121 (c_promoting_integer_type_p): Declare.
122 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
123 * c-typeck.c: Likewise.
124 (default_conversion): Remove now redundant boolean check.
126 2001-04-30 Jan Hubicka <jh@suse.cz>
127 Richard Henderson <rth@redhat.com>
129 * regmove.c (try_apply_stack_adjustment): Remove now redundant
131 (combine_stack_adjustments_for_block): Don't combine stack
132 allocation followed by deallocations. Handle grow-up stacks.
134 2001-04-30 Mark Mitchell <mark@codesourcery.com>
136 * fdl.texi: New file.
137 * c-tree.texi: Use the GFDL.
138 * gcc.texi: Likewise.
140 2001-04-30 Stan Shebs <shebs@apple.com>
142 * invoke.texi: Add a section documenting Objective-C options.
144 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
146 * emit-rtl.c (try_split): Copy EH notes to sequence.
148 2001-04-30 Mark Mitchell <mark@codesourcery.com>
150 * regmove.c (record_stack_memrefs): Catch all references to the
153 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
155 * Makefile.in(stmp-fixinc): quote shell assignment values
157 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
159 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
163 * prefix.c: Likewise.
165 2001-04-28 Stan Shebs <shebs@apple.com>
167 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
168 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
169 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
170 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
172 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
173 (NEXT_OBJC_RUNTIME): Define.
175 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
177 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
178 * simplify-rtx.c (simplify_gen_relational): Likewise.
180 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
182 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
183 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
185 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
186 registers in SSE case; fix handling of the immediates.
187 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
188 operands to be in regsiters before reload.
189 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
190 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
191 (abstf,absxf,negtf,negxf splitters): Compute
192 properly the regnum for x86_64.
193 (avsdf2_if_rex64): New.
195 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
197 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
198 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
199 into the constant pool.
200 * jump.c (jump_optimize_1): Remove barrier successors after all
201 the LABEL_NUSES counds have been computed.
202 (delete_barrier_successors): When deleting a tablejump insn, also
203 delete the jump table it uses.
204 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
207 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
209 * pa.c (FRP): Remove erroneous white space in macro definition.
211 2001-04-28 Andreas Jaeger <aj@suse.de>
213 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
215 * extend.texi: Likewise.
218 2001-04-28 Andreas Jaeger <aj@suse.de>
220 * md.texi: Use XX-bit instead of XXbit or XX bit where
223 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
225 * gcc.c (process_command): Allow -l lib in addition to -llib
226 for POSIX compliance. This fixes PR c/2347.
228 * invoke.texi: Update section on Link Options accordingly.
230 2001-04-27 Zack Weinberg <zackw@stanford.edu>
232 * function.c (purge_addressof_1): Remove the duplicate
233 if (code == SET) block. Fold the two if (code == ADDRESSOF)
236 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
238 * except.c (expand_eh_region_start): Don't start a new block.
239 (expand_eh_region_end): Don't end a block.
240 * stmt.c (expand_end_bindings): Don't end EH blocks.
241 (expand_decl_cleanup): Starting an EH region won't change the block.
242 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
243 (is_eh_region): Lose.
246 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
248 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
250 * collect2.c (main): Add `-L' case to remove duplicate entries.
251 (is_in_args): New function to check for a duplicate argument.
252 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
253 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
254 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
255 Define to be nonzero.
257 2001-04-27 Andreas Jaeger <aj@suse.de>
258 Richard Henderson <rth@redhat.com>
260 * md.texi (Machine Constraints): Document additional i386
261 constraints and fix description of "A".
263 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
265 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
267 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
269 * except.c (get_exception_filter): word_mode, not Pmode.
271 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
273 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
274 common to other movsf patterns. Move up so that in future
275 people who change the other patterns will change it too.
276 (movsf_lo_sum): Allow even for soft-float; add appropriate
278 (movsf_high): Likewise.
279 (movsf_high+1): Allow even for soft-float.
281 * function.c (expand_function_end): Always clobber the
282 return registers, even if there is no return label.
284 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
286 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
288 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
290 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
291 (pushqi2_rex64, pushhi2_rex64): Add.
293 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
295 * except.c (expand_eh_region_end_cleanup): Force pending stack
296 adjust before emitting label that branches around cleanup code.
298 2001-04-26 H.J. Lu (hjl@gnu.org)
300 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
302 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
304 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
305 (ASM_OUTPUT_SECTION_NAME): Likewise.
306 (ASM_WEAKEN_LABEL): Likewise.
307 (UNIQUE_SECTION): Likewise.
308 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
309 (ASM_OUTPUT_DESTRUCTOR): Likewise.
310 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
311 (ASM_OUTPUT_SECTION_NAME): Likewise.
312 (ASM_WEAKEN_LABEL): Likewise.
313 (UNIQUE_SECTION): Likewise.
314 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
315 (ASM_OUTPUT_DESTRUCTOR): Likewise.
316 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
317 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
318 (ASM_FILE_START): Likewise.
319 (ASM_OUTPUT_SOURCE_LINE): Likewise.
320 (ASM_DECLARE_OBJECT_NAME): Likewise.
321 (ASM_FILE_END): Likewise.
322 (ASM_DECLARE_FUNCTION_NAME): Likewise.
323 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
324 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
325 (ASM_OUTPUT_CASE_LABEL): Likewise.
326 (ASM_OUTPUT_SKIP): Likewise.
327 (ASM_OUTPUT_ASCII): Likewise.
328 (ASM_OUTPUT_IDENT): Likewise.
329 (READONLY_DATA_SECTION): Likewise.
330 (EXTRA_SECTIONS): Likewise.
331 (EXTRA_SECTION_FUNCTIONS): Likewise.
332 (SELECT_RTX_SECTION): Likewise.
333 (SELECT_SECTION): Likewise.
335 * config/mips/linux.h (INVOKE__main): Undefine.
336 (CTOR_LIST_BEGIN): Likewise.
337 (CTOR_LIST_END): Likewise.
338 (DTOR_LIST_BEGIN): Likewise.
339 (DTOR_LIST_END): Likewise.
340 (SET_ASM_OP): Defined it to ".dummy".
341 (ASM_OUTPUT_DEF): Defined.
342 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
344 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
346 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
347 assembler supports .p2align.
349 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
351 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
353 2001-04-26 Jakub Jelinek <jakub@redhat.com>
355 * integrate.c (expand_inline_function): Check for error_mark_node
358 2001-04-26 Jakub Jelinek <jakub@redhat.com>
360 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
363 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
365 * configure.in (configargs.h): Define thread_model.
366 * configure: Rebuilt.
367 * gcc.c (main): Print it with -v.
369 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
371 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
372 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
375 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
377 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
378 is_redundant_typedef): Use static inline instead of inline static.
380 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
382 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
383 this directory is always searched.
385 2001-04-25 Richard Henderson <rth@redhat.com>
387 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
388 of registers to restore along non eh_return path.
390 2001-04-25 Jakub Jelinek <jakub@redhat.com>
392 * c-format.c (check_format_info_recurse): Handle
393 PLUS_EXPR for format string.
395 2001-04-25 Jakub Jelinek <jakub@redhat.com>
397 * config/ia64/ia64.h (CC1_SPEC): Define.
398 * config/ia64/linux.h (CC1_SPEC): Define.
400 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
402 * emit-rtl.c (constant_subword): Also do sign extension in
403 BITS_PER_WORD == 16 case.
405 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
407 * loop.c (try_swap_copy_prop): Go back to checking insn.
409 2001-04-25 Jakub Jelinek <jakub@redhat.com>
411 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
412 if check_mode is non-zero.
414 2001-04-25 Jakub Jelinek <jakub@redhat.com>
416 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
417 out and comparison sequence has been detected, put result into
418 proper temporary pseudo.
420 2001-04-24 Zack Weinberg <zackw@stanford.edu>
422 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
423 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
424 * libgcc2.c: Remove __dummy and __builtin_saveregs.
425 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
426 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
427 for future reference.
429 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
431 * except.c (reachable_handlers): Step out one level from a RESX.
433 * except.c (struct eh_region): Rename 'last' to 'resume'.
434 (mark_eh_region, duplicate_eh_region_1): Adjust.
435 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
436 (build_post_landing_pads): Likewise.
437 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
438 (expand_eh_region_end_must_not_throw): Likewise.
439 (connect_post_landing_pads): Thread (only) regions with non-deleted
442 * except.c (expand_eh_region_end_cleanup): Save the EH return data
443 registers around the cleanup.
444 (get_exception_filter): New fn.
445 (finish_eh_generation): Use it.
447 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
449 * c-semantics.c (add_scope_stmt): Don't call
450 current_scope_stmt_stack multiple times.
452 2001-04-24 Zack Weinberg <zackw@stanford.edu>
453 Nathan Sidwell <nathan@codesourcery.com>
455 Lazy __FUNCTION__ generation.
456 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
457 RID_C99_FUNCTION_NAME): New _RIDs.
458 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
459 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
460 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
462 (function_id_node, pretty_function_id_node, func_id_node): Remove.
463 (c99_function_name_decl_node, function_name_decl_node,
464 pretty_function_name_decl_node, saved_function_name_decls):
466 (struct language_function): Remove x_function_name_declared_p.
467 (make_fname_decl): Remove a parameter.
468 (declare_function_names): Remove prototype.
469 (start_fname_decls, finish_fname_decls): Prototype.
470 (fname_as_string): Likewise.
471 (fname_string, fname_decl): Likewise.
472 * c-common.c (make_fname_decl): Adjust.
473 (struct fname_var_t): New struct.
474 (fname_vars): New static array.
475 (declare_function_name): Remove.
476 (start_fname_decls, finish_fname_decls): New functions.
477 (fname_as_string): New function from remnants of
478 declare_function_name.
479 (fname_string, fname_decl): New functions.
481 * c-decl.c (c_function_name_declared_p): Remove.
482 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
483 don't call declare_function_name. Call start_fname_decls.
484 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
485 clobber the line number. Call finish_decl.
486 (start_function): Call start_fname_decls.
487 (finish_function): Call finish_fname_decls.
488 Remove c_function_name_declared_p.
489 (push_c_function_context): Don't push c_function_name_declared_p.
490 (pop_c_function_context): Don't pop c_function_name_declared_p.
491 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
492 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
493 (program): Call finish_fname_decls for C.
494 (primary): Add VAR_FUNC_NAME.
495 (reswords): Add slots for __FUNCTION__ et al.
496 (rid_to_yy): Add mappings for __FUNCTION__ et al.
497 (yylexname): If it's a STRING_FUNC_NAME generate the function name
498 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
499 * c-semantics.c (prune_unused_decls): Remove.
500 (finish_stmt_tree): Don't call prune_unused_decls.
501 (genrtl_decl_stmt): Don't prune unused decls here.
503 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
505 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
506 constant pool, use the pool's SYMBOL_REF instead.
508 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
511 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
513 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
514 passing nested NOP_EXPRs to fold.
516 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
518 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
520 2001-04-22 Mark Mitchell <mark@codesourcery.com>
522 * loop.c (loop_delete_insns): Add prototype.
524 2001-04-23 Phil Edwards <pme@sources.redhat.com>
526 * configure.in: Remove ENABLE_STD_NAMESPACE.
527 * config.in: Regenerated.
528 * configure: Regenerated.
530 2001-04-22 Stan Shebs <shebs@apple.com>
532 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
534 * config/rs6000/xm-darwin.h: Remove file.
536 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
538 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
539 (write_c_file_stat): Likewise.
541 * dbxout.c (dbxout_init): Likewise.
543 * profile.c (output_func_start_profiler): Likewise.
545 2001-04-22 Philipp Thomas <pthomas@suse.de>
547 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
548 require it instead of the CVS version.
549 * cpperror.c (v_message): Put a blank before the macro
550 body to not confuse exgettext.
552 2001-04-21 Mark Mitchell <mark@codesourcery.com>
554 * flow.c (proagate_one_insn): Remove useless assignment.
555 * jump.c (delete_insn): Tidy.
556 * loop.c (try_copy_prop): When deleting an instruction with a
557 REG_RETVAL note, delete the entire libcall sequence.
558 (loop_delete_insns): New function.
559 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
560 we're not substituting into them yet.
562 2001-04-21 Kazu Hirata <kazu@hxi.com>
564 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
566 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
568 * config/i960/i960.c (signed_arith_operand): Likewise.
570 * calls.c (expand_call): Fix a comment typo.
572 2001-04-20 Zack Weinberg <zackw@stanford.edu>
574 * configure.in: Probe for times, clock, struct tms, and clock_t.
575 * configure, config.in: Regenerate.
576 * timevar.c: Replace ifdef forest in get_time with (relatively)
577 straightforward series of checks based on autoconf's probes.
579 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
581 * config/pa/som.h (NM_FLAGS): Define.
583 2001-04-20 Bernd Schmidt <bernds@redhat.com>
585 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
587 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
588 * ia64.c (nop_cycles_until): New function.
589 (prev_cycle, prev_first, last_issued): New static variables.
590 (ia64_sched_reorder): Additional arg for clock.
591 On final scheduling pass, emit extra NOPs as needed.
592 Set prev_first and prev_cycle.
593 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
594 (ia64_variable_issue): Set last_issued.
596 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
598 * config/i386/i386.c (ix86_expand_int_movcc,
599 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
601 2001-04-20 Geoff Keating <geoffk@redhat.com>
603 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
604 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
605 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
606 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
607 ctrdi_internal6): In the short-branch case, this insn is only 4
608 bytes long. Reported by Reza Yazdani <reza@apple.com>.
610 2001-04-20 Jakub Jelinek <jakub@redhat.com>
612 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
613 "=u" is used together with "st" resp. "st(1)" clobber.
615 2001-04-20 Jakub Jelinek <jakub@redhat.com>
617 * gcse.c (gcse_main): Fix comment typo.
618 (delete_null_pointer_check): Likewise.
619 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
620 * cse.c (cse_insn): Likewise.
621 * function.c (fixup_var_refs_insns_with_hash): The sequence is
624 2001-04-19 Zack Weinberg <zackw@stanford.edu>
626 * toplev.c: Excise all code for the undocumented -dm option.
627 (float_signal): Call signal just once, unconditionally.
629 2001-04-19 Geoff Keating <geoffk@redhat.com>
631 * fold-const.c (fold): Use first_rtl_op rather than
632 TREE_CODE_LENGTH when looping over parameters of a tree.
633 Correct strange grouping in test for evaluated SAVE_EXPR.
635 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
637 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
638 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
640 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
641 name at 32 total characters.
642 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
643 functions in named sections -- data items can still go into unique
644 sections, but they have normal names (ie $LIT$ and $DATA$).
646 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
649 2001-04-19 DJ Delorie <dj@redhat.com>
651 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
652 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
653 * config/i386/cygwin.h: Likewise.
654 * config/i386/mingw32.h: Likewise.
655 * config/vax/vms.h: Likewise.
656 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
658 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
659 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
660 * config/i386/xm-cygwin.h: Likewise.
661 * config/i386/xm-djgpp.h: Likewise.
662 * config/i386/xm-mingw32.h: Likewise.
663 * config/vax/xm-vms.h: Likewise.
665 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
666 instead of OBJECT_SUFFIX.
667 * collect2.c (find_a_file): Look for files matching the extension
668 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
669 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
670 TARGET_EXECUTABLE_SUFFIX.
671 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
672 (make_relative_prefix): Likewise.
673 (convert_filename): Use TARGET_ suffixes throughout. Remove
675 (process_command): Likewise.
676 (do_spec_1): Likewise.
677 * java/lang.c (init_parse): Likewise.
679 * gcc.texi : Document four new options matching the pattern
680 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
681 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
682 documentation for NO_AUTO_EXE_SUFFIX.
684 2001-04-19 Mark Mitchell <mark@codesourcery.com>
686 * toplev.h (struct lang_hooks): Allow decode_option to indicate
687 that language-independent processing should not be done.
688 * toplev.c (main): Adjust accordingly.
690 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
691 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
693 * mips.md (reload_outputdi): Require that operand0 be a
696 2001-04-19 Jakub Jelinek <jakub@redhat.com>
698 * invoke.texi (-Wshadow): Clarify.
700 2001-04-18 Mark Mitchell <mark@codesourcery.com>
702 * loop.c (load_mems): Examine all the instructions in the loop
703 before concluding that all jumps branch to the first instruction
706 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
708 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
710 2001-04-18 Jakub Jelinek <jakub@redhat.com>
712 * cpp.texi (-Wwhite-space): Remove.
713 (-Wall): -Wall does not imply -Wwhite-space.
715 2001-04-17 Zack Weinberg <zackw@stanford.edu>
717 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
718 use it instead of blindly generating a .stabs.
719 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
721 * xcoffout.c: Don't bother defining default for N_CATCH.
722 (UNKNOWN_STAB): Use internal_error.
723 (stab_to_sclass): Remove now-unnecessary aborts.
724 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
726 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
728 * jump.c (mark_all_labels): Canonicalize the tail recursion
729 label attached to CALL_PLACEHOLDER insns.
731 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
733 * output.h (dump_flow_info, free_basic_block_vars,
734 which_alternative): Delete redundant prototypes.
736 * rtl.h (bss_section): Likewise.
738 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
740 * dbxout.c (N_OPT): Define if not available from <stab.h>
742 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
744 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
745 libraries and native K&R compilers.
747 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
749 * c-typeck.c (convert_arguments): Don't check for width changes
752 * invoke.texi (-Wtraditional): Update documentation.
754 2001-04-16 Zack Weinberg <zackw@stanford.edu>
756 * toplev.c (output_lang_identify): Delete.
757 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
758 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
759 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
760 after calling ASM_FILE_END.
762 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
763 Instead, unconditionally emit an N_OPT stab with string equal
764 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
766 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
768 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
769 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
770 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
771 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
772 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
773 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
774 config/i370/i370.h, config/i386/beos-elf.h,
775 config/i386/osf1elf.h, config/i386/osfrose.h,
776 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
777 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
778 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
779 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
780 config/mips/iris6.h, config/mips/osfrose.h,
781 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
782 config/sparc/sp64-elf.h:
783 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
784 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
786 * config/elfos.h, config/freebsd.h, config/linux.h,
787 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
788 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
789 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
790 of ASM_FILE_START which merely emit a .version directive. Delete
791 definitions of ASM_FILE_END which merely emit an .ident directive.
793 * config/avr/avr.h, config/vax/vax.h: Delete definition of
794 ASM_IDENTIFY_GCC and move part of its logic into
797 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
798 config/sparc/linux-aout.h: Don't emit .version directive in
801 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
802 (output_file_start): Correct comment.
804 * config/i386/osfrose.h: Don't emit trailing .ident directive.
805 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
807 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
808 * config/rs6000/aix.h: Correct comment.
810 * config/i386/i386afe.h: Delete.
811 * config.gcc: Remove references to i386afe.h.
813 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
814 other macros deleted by this patch were undocumented.
816 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
818 * pa.md (reload_outdi): Operand 0 must be a non hard register.
820 * pa.c (secondary_reload_class): SAR<->FP copies require a
823 * install.texi (mips-mips-bsd): Update list of functions
824 required to include memmove.
825 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
826 used functions to include memmove.
828 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
830 * i386.md (sqrtdf2): SFmode should be DFmode.
832 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
834 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
835 (find_moveable_store): Likewise.
837 2001-04-15 Jim Wilson <wilson@redhat.com>
839 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
841 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
843 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
844 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
846 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
848 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
851 2001-04-14 Alan Modra <amodra@one.net.au>
853 * pa.c (force_mode): New function.
854 (emit_move_sequence): Use it instead of generating new rtx_REGs.
856 2001-04-13 Jim Wilson <wilson@redhat.com>
858 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
859 (first_instruction): New static variable.
860 (rtx_needs_barrier): Return 1 for alloc.
861 (init_insn_group_barriers): Set first_instruction.
862 (rws_sum): Delete duplicate definition.
863 (group_barrier_needed_p): Return 0 when first_instruction true.
864 (safe_group_barrier_needed_p): Save and restore first_instruction
865 around group_barrier_needed_p call.
867 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
869 * expr.h (enum libfunc_index): Add LTI_memmove.
870 (memmove_libfunc): Define macro.
871 * optabs.c (init_optabs): Initialize memmove_libfunc.
872 * expr.c (expand_assignment): Use memmove_libfunc instead of
875 2001-04-13 Alan Modra <alan@linuxcare.com.au>
877 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
880 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
882 * Makefile.in (reg-stack.o): Depend on reload.h.
883 (insn-attrtab.o): Depend on flags.h.
885 * genattrtab (main): Include flags.h in insn-attrtab.c.
887 * reg-stack.c: Include reload.h.
889 * sparc.h (flag_pic): Delete redundant declaration.
891 * output.h (flag_pic): Likewise.
893 * tree.h (pedantic): Likewise.
895 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
897 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
899 * jump.c, regmove.c, toplev.c: Include reload.h.
901 * reload.h (reload_cse_regs): Declare.
903 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
904 reload_cse_regs, init_reload, mark_home_live, reload,
905 init_caller_save): Delete redundant prototypes.
907 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
909 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
911 * regclass.c, ssa.c: Include expr.h.
913 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
914 gen_move_insn): Delete redundant declarations.
916 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
918 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
919 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
920 MAKEINFO and MAKEINFOFLAGS too.
921 (stage4_build): Correctly order -B flags.
923 2001-04-13 Alan Modra <amodra@one.net.au>
925 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
926 PIC_OFFSET_TABLE_SAVE_RTX.
927 (zdepi_cint_p): Describe zdepi insn.
928 Formatting and white space fixes throughout file.
930 * pa.c (uint32_operand): Don't use long constant >= 2^32.
931 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
932 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
933 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
934 (output_64bit_and): Use plain `int's for shift counts.
935 (output_64bit_ior): Likewise.
936 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
937 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
940 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
941 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
942 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
943 NEW_HP_ASSEMBLER into one. Kill warnings.
945 * pa-gas.h: Delete file.
946 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
947 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
948 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
949 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
951 * config/pa/mill32.S: New file.
952 * config/pa/mill64.S: New file.
953 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
954 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
955 * config/pa/t-linux64: New file.
956 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
957 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
958 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
960 * elfos.h (SELECT_SECTION): Undef before defining.
961 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
962 (LIB_SPEC): Remove -lmilli.
963 (DBX_REGISTER_NUMBER): Remove.
964 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
965 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
966 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
967 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
968 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
969 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
970 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
972 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
973 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
974 regs if we don't have a prototype.
975 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
976 * pa.h (TARGET_ELF32): Default to 0 if undefined.
977 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
978 EH_RETURN_HANDLER_RTX): Define.
979 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
980 (DWARF_FRAME_REGNUM): Define.
981 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
982 * pa32-linux.h: New file.
983 * pa64-linux.h: New file.
985 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
986 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
987 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
988 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
989 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
990 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
991 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
992 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
993 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
994 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
995 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
996 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
997 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
998 * pa64-hpux.h: New file.
999 (ASM_FILE_START): Correct typo.
1000 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
1001 * config.gcc: Modify for above.
1003 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
1005 * jump.c (jump_optimize_1): Don't delete dead stores here.
1006 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
1007 prior to running jump optimize before cse2.
1009 2001-04-12 Richard Henderson <rth@redhat.com>
1011 * Makefile.in (regmove.o): Depend on except.h.
1012 * regmove.c: Include it.
1014 2001-04-12 Stan Shebs <shebs@apple.com>
1016 * objc/objc-act.c: Remove all code ifdefed with the never-used
1017 macro OBJC_INT_SELECTORS.
1018 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
1019 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
1021 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
1023 * config/pa/quadlib.c: Add prototypes.
1025 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1027 * bitmap.h (debug_bitmap): Delete redundant prototype.
1029 * rtl.h (get_frame_size): Likewise.
1031 2001-04-12 Jim Wilson <wilson@redhat.com>
1033 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1034 to just emit an fnorm.
1036 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1038 * c-common.h (truthvalue_conversion, type_for_mode,
1039 type_for_size): Delete redundant declarations.
1041 * c-lex.h (is_class_name): Likewise.
1043 * c-tree.h (pedantic, convert, getdecls, gettags,
1044 global_bindings_p, init_decl_processing, insert_block,
1045 maybe_build_cleanup, poplevel, print_lang_decl,
1046 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1047 set_block, incomplete_type_error, build_function_call,
1048 lvalue_or_else, mark_addressable): Likewise.
1050 * expr.h (expand_tree_builtin): Likewise.
1052 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1054 * invoke.texi: Document --param max-gcse-memory.
1056 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1058 * configure.in (errno): Check for declaration.
1059 * configure, config.in: Regenerated.
1061 * system.h (errno): Only declare if not already done.
1063 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1065 * recog.c (general_operand, immediate_operand,
1066 nonmemory_operand): Require CONST_INTs to be sign-extended
1067 values for their modes.
1069 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1071 * expmed.c (store_bit_field): Truncate CONST_INTs.
1072 (expand_mult_highpart, expand_divmod): Likewise.
1073 * expr.c (convert_modes, store_field): Likewise.
1074 * integrate.c (expand_inline_function): Use promote_mode() to
1075 determine whether to convert_modes() an argument as signed
1077 * optabs.c (expand_binop): Get CONST_INT operands
1078 sign-extended for their appropriate modes.
1079 * stmt.c (emit_case_nodes): Convert node values to the
1081 (expand_end_case): Convert minval and range to the appropriate
1083 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1084 the iteration variable.
1085 * varasm.c (immed_double_const): Don't require words to be
1086 narrower than host wide ints to properly sign-extend
1089 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1091 * sh.md (builtin_setjmp_receiver): New expander.
1093 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1095 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1096 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1097 for generating CONST_INT and CONST_DOUBLE.
1099 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1101 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1102 already sign-extended.
1103 (rs6000_emit_prologue): Make register iterator signed.
1104 (rs6000_emit_epilogue): Likewise.
1105 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1107 (movsf split, movdf split): Sign-extend CONST_INTs.
1108 (movdi splits): Likewise.
1110 2001-04-12 Kelley Cook <kelley.cook@home.com>
1112 * config-lang.in (lang_dirs): Add in zlib.
1114 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1116 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1117 operands that make it to RTL.
1119 2001-04-11 Stan Shebs <shebs@apple.com>
1121 Add Darwin (Mac OS X kernel) native support.
1122 * config.gcc (powerpc-*-darwin*): Add native bits.
1123 * config/darwin.c: New file, generic Darwin support functions.
1124 * config/darwin.h: New file, generic Darwin definitions.
1125 * config/darwin-protos.h: New file, generic Darwin prototypes.
1126 * rs6000/darwin.h: New file, Darwin for PowerPC.
1127 * rs6000/t-darwin: New file, Darwin makefile fragment.
1128 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1129 (TARGET_MACHO): Ditto.
1130 (rs6000_abi): Add ABI_DARWIN.
1131 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1132 (RS6000_SAVE_AREA): Ditto.
1133 (FP_ARG_MAX_REG): Ditto.
1134 (RETURN_ADDRESS_OFFSET): Ditto.
1135 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1137 (rs6000_emit_move): Add ABI_DARWIN cases.
1138 (print_operand): Ditto.
1139 (first_reg_to_save): Ditto.
1140 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1141 (debug_stack_info): Ditto.
1142 (rs6000_emit_prologue): Ditto.
1143 (rs6000_emit_epilogue): Ditto.
1144 (output_profiler_hook): Ditto.
1145 (output_function_profiler): Ditto.
1146 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1147 (output_mi_thunk): Add TARGET_MACHO case.
1148 (add_compiler_stub): Ditto.
1149 (output_compiler_stub): Ditto.
1150 (no_previous_def): Ditto.
1151 (output_call): Ditto.
1152 (machopic_output_stub): Ditto.
1153 (rs6000_machopic_legitimize_pic_address): Ditto.
1154 (toc_section): Ditto.
1155 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1156 (macho_high): Ditto.
1159 (load_macho_picbase): Ditto.
1160 (call): Add TARGET_MACHO case to modify function.
1161 (call_value): Ditto.
1162 (call_nonlocal_sysv): Add ABI_DARWIN case.
1163 (call_value_nonlocal_sysv): Ditto.
1164 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1166 (machopic_output_stub): Ditto.
1167 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1169 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1171 * dwarf2out.c (modified_type_die): Don't create new types here.
1172 * tree.h (get_qualified_type): New function.
1173 (build_qualified_type): Adjust comment.
1174 * tree.c (get_qualified_type): New function.
1175 (build_qualified_type): Use it.
1177 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1179 * cpp.texi (-Wtraditional): Update description.
1181 * invoke.texi (-Wtraditional): Likewise.
1183 2001-04-11 Jim Wilson <wilson@redhat.com>
1185 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1186 requires more than 64 bits of alignment.
1188 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1190 * cpplib.c (do_line): Sanity check iff enable checking.
1192 2001-04-11 Richard Henderson <rth@redhat.com>
1194 * Makefile.in (insn-recog.o): Depend on toplev.h.
1195 (insn-emit.o, doloop.o): Likewise.
1196 * genrecog.c, genemit.c: Include toplev.h in generated file.
1197 * doloop.c: Include toplev.h.
1199 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1201 * Makefile.in (gcse.o): Depend on params.h.
1202 * gcse.c: Include params.h.
1203 (gcse_main): Don't do GCSE if doing so will take inordinate
1205 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1206 * params.h (MAX_GCSE_MEMORY): New macro.
1208 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1210 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1212 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1214 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1216 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1218 * real.h (ereal_atof, real_value_truncate, target_isnan,
1219 target_isinf, target_negative, assemble_real, debug_real): Delete
1220 redundant prototypes.
1222 * Makefile.in (ifcvt.o): Depend on toplev.h.
1224 * c-semantics.c: Include expr.h.
1226 * ifcvt.c: Include toplev.h.
1228 * expr.h (rtx_equal_p): Delete prototype.
1230 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1231 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1232 eliminate_constant_term, expand_complex_abs, find_single_use,
1233 make_tree, init_expr_once, init_optabs, supports_one_only):
1236 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1237 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1238 expand_assignment, store_expr, emit_line_note_after,
1239 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1241 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1243 * sparc-protos.h: Delete redundant prototypes.
1245 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1247 * reload.c (push_reload): Add condition missed in SUBREG byte
1250 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1252 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1254 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1256 * i386.md (floatsisf_sse): Fix output template
1257 * i386.c (ix86_expand_fp_movcc)
1259 * reg-stack.c (emit_pop_insn): Handle complex modes.
1260 (move_for_stack_reg): Emit proper move mode.
1261 (subst_stack_regs_pat): Handle complex modes.
1263 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1265 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1267 2001-04-10 Richard Henderson <rth@redhat.com>
1269 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1270 (__pure_virtual, __terminate, __terminate_set_func,
1271 __default_terminate, __throw_type_match, __empty,
1272 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1273 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1274 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1275 Remove prototypes of deleted functions.
1277 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1279 * c-typeck.c (convert_arguments): -Wtraditional now activates
1280 -Wconversion warnings, except for changes in signed-ness.
1281 Detect complex<->int & int<->complex conversions as well.
1283 * invoke.texi (-Wtraditional): Document it.
1285 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1287 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1288 * flow.c (set_block_for_new_insns): Remove needless cast and
1289 properly check for unset block number.
1291 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1293 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1294 the subreg was a hard register. Pseudos are left as subregs.
1296 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1298 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1299 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1300 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1301 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1302 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1304 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1306 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1308 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1310 * output.h (set_block_num): Missed it earlier, remove deprecated
1313 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1315 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1316 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1317 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1318 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1319 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1320 (expr_killed_p): Change bb parameter from int to basic_block, pass
1321 basic_blocks instead of ints as parameters.
1322 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1323 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1324 from int to basic_block, pass basic_blocks instead of ints as parms.
1325 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1326 parameter from int to basic_block, pass basic_blocks instead of ints.
1327 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1328 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1329 pass basic_blocks instead of ints.
1330 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1331 basic_blocks instead of ints as parameters.
1332 (pre_delete): Pass basic_blocks instead of ints as parameters.
1333 (hoist_expr_reaches_here_p): Change bb parameter from int to
1334 basic_block, pass basic_blocks instead of ints.
1335 (hoist_code): Pass basic_blocks instead of ints as parameters.
1336 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1337 Change bb parameter from int to basic_block.
1338 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1339 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1340 pass basic_blocks instead of ints.
1341 (insert_store): Pass basic_blocks instead of ints as parameters.
1342 (replace_store_insn, delete_store): Change bb parameter from int to
1343 basic_block, pass basic_blocks instead of ints.
1344 (store_motion): Pass basic_blocks instead of ints as parameters.
1346 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1348 * basic-block.h (set_new_block_for_insns): New Prototype.
1349 (set_block_num): Delete prototype.
1350 * flow.c (set_block_num): Remove obsolete function.
1351 (set_block_for_new_insns): Set BB for single or multiple insns.
1352 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1353 (process_insn_end_bb): Use set_block_for_new_insns or
1354 set_block_for_insn instead of set_block_num.
1355 (pre_insert_copy_insn): Use set_block_for_new_insns.
1356 (update_ld_motion_stores): Use set_block_for_new_insns.
1357 (insert_insn_start_bb): Use set_block_for_new_insns.
1358 (replace_store_insn): Use set_block_for_new_insns.
1360 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1361 Jeff Law <law@redhat.com>
1363 * alias.c (get_addr): Externalize.
1364 (canon_true_dependence): New function. Behaves like true_dependance
1365 except it already assumes a MEM has been canonicalized.
1366 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1367 * gcse.c (struct ls_expr): Add load/store expressions structure.
1368 (modify_mem_list, canon_modify_mem_list): New variable.
1369 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1370 load motion and store motion if requested.
1371 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1372 (free_gcse_mem): Free the modify_mem_list array.
1373 (oprs_unchanged_p): Use load_killed_in_block_p.
1374 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1375 (mems_conflict_for_gcse_p): New function. Don't kill loads
1376 with stores to themselves if its in the load/store expression list.
1377 (load_killed_in_block_p): New function.
1378 (canon_list_insert): New Function.
1379 (record_last_mem_set_info): Keep a list of all instructions which
1380 can modify memory for each basic block.
1381 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1382 (oprs_not_set_p): Use load_killed_in_block_p.
1383 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1384 (expr_killed_p): Use load_killed_in_block_p.
1385 (compute_transp): Do not pessimize memory references.
1386 (pre_edge_insert): Update stores for a load motion expression.
1387 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1388 (ldst_entry): Find or create a ldst_expr structure.
1389 (free_ldst_entry): Free memory for an individual item.
1390 (free_ldst_mems): Free entire load/store expression list.
1391 (print_ldst_list): Print debug info.
1392 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1393 (enumerate_ldsts): Assign integer values to each entry in list.
1394 (first_ls_expr): First expression in the list.
1395 (next_ls_expr): Next expression in the list.
1396 (simple_mem): Check if expression qualifies for ld/st expression list.
1397 (invalidate_any_buried_refs): Remove from expression list if its
1398 used in some other way we dont understand.
1399 (compute_ld_motion_mems): Find all potential enhanced load motion
1401 (trim_ld_motion_mems): Remove any expressions which are invalid.
1402 (update_ld_motion_stores): Copy store values to registers for loads
1403 which have been moved.
1404 (regvec, st_antloc, num_store): New global statics.
1405 (reg_set_info): Marks registers as set.
1406 (store_ops_ok): Verfies registers expressions are valid in a block.
1407 (find_moveable_store): Look for moveable stores in a pattern.
1408 (compute_store_table): Find stores in a function worth moving, maybe.
1409 (load_kills_store): Check dependance of a load and store.
1410 (find_loads): Find any loads in a pattern.
1411 (store_killed_in_insn): Check if a store is killed in an insn.
1412 (store_killed_after): Check is store killed after an insn in a block.
1413 (store_killed_before): Check is store killed before an insn in a block.
1414 (build_store_vectors): Generate the antic and avail vectors.
1415 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1416 (insert_store): Add a store to an edge.
1417 (replace_store_insn): Replace a store with a SET insn.
1418 (delete_store): Delete a store insn.
1419 (free_store_memory): Free memory.
1420 (store_motion): Perform store motion.
1421 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1422 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1423 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1424 (f_options): Add gcse-lm and gcse-sm.
1426 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1428 * i386.c (expand_fp_movcc): Fix condition reversal code.
1430 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1431 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1432 (CLASS_MAX_NREGS): Use it.
1434 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1435 handle properly complex values.
1436 (CLASS_MAX_NREGS): Likewise; update comment.
1438 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1440 * ia64.c (ia64_flag_schedule_insns2): New variable.
1441 (ia64_override_options): Initialize it. Clear
1442 flag_schedule_insns_after_reload.
1443 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1445 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1447 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1448 Do not require source to match destination anymore;
1449 Add abort to the nontrivial cases that should be handled by split.
1450 (fix_trunc?fdi): Add SSE case for x86_64.
1451 (floatdi?f): Likewise.
1452 (floatdi?f_sse): New.
1453 (fix_trunc?fdi_sse): New.
1455 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1457 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1458 (DEBUG_ARANGES_END_LABEL): Ditto.
1459 (dwarfout_init): Generate length and version fields at the start
1460 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1461 after the length field.
1462 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1463 the .debug_aranges info.
1465 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1467 * i386.c (call, call_value): Make sure that resulting call_insn
1468 does have proper second operand.
1470 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1472 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1473 function. Remove include of sys/cygwin.h.
1475 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1477 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1478 (CPP_SPEC): Always search */include/w32api for header files.
1479 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1480 (LINK_SPEC): Add "cyg" to the library search prefixes.
1482 2001-04-08 Philip Blundell <philb@gnu.org>
1484 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1486 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1488 * cpperror.c (print_location): Don't special case <stdin>.
1489 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1490 WARNING, but we don't check if we're in system headers.
1491 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1492 * cpplib.c (do_warning): Warn in system headers.
1494 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1496 * mbchar.c: Include config.h first.
1498 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1500 * config.gcc: Set default for xmake_file at top, not bottom.
1501 Change places that set xmake_file to "none" to set to the
1502 empty string instead, or remove them entirely if there is no
1503 default xmake_file for this cpu_type. Remove references to
1506 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1507 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1508 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1509 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1510 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1511 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1512 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1513 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1514 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1515 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1518 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1519 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1520 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1521 config/mips/x-sysv, config/rs6000/x-aix31:
1522 Just set CLIB to -lld or -lmld, as appropriate.
1524 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1525 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1526 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1527 config/mips/x-iris, config/pa/x-pa:
1528 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1529 OTHER_FIXINCLUDES_DIRS.
1531 * config/i386/x-djgpp: Don't set LN or LN_S.
1532 * config/m88k/x-dolph: Don't define __m88k__.
1533 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1534 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1535 * config/i860/fx2800.h: No need to #undef SVR4.
1537 38 x-host fragments remain, 2 x-cpu.
1539 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1541 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1543 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1545 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1547 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1549 * configure.in: Add check for lstat.
1550 * configure, config.in: Regenerate.
1551 * cppinit.c (append_include_chain): Make empty path ".".
1552 * cpplib.c (do_line): Don't simplify #line paths.
1553 * cppfiles.c (remove_component_p): New function.
1554 (find_or_create_entry): Acknowledge stat () errors during
1555 path simplification.
1556 (handle_missing_header): Don't simplify paths.
1557 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1558 the empty path untouched. Don't leave a trailing '/'.
1560 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1562 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1563 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1565 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1567 * cppfiles.c (open_file): Fail directories silently, but
1568 with an errno of NOENT set.
1569 (read_include_file): Move the common exit code to the sole
1570 caller. Return an int indicating success or failure. Let
1571 open_file handle directories.
1572 (stack_include_file): If read_include_file fails,
1573 push a "null" buffer.
1575 2001-04-05 DJ Delorie <dj@redhat.com>
1577 * function.h (virtuals_instantiated): Declare.
1578 * function.c: (virtuals_instantiated): Make global.
1579 * calls.c (emit_library_call_value_1): Use
1580 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1581 Otherwise, use the stack pointer directly.
1583 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1585 * i386.c (x86_initialize_trampoline): New global function.
1586 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1587 (INITIALIZE_TRAMPOLINE): Move offline.
1588 * i386-protos.h (x86_initialize_trampoline): Declare.
1590 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1592 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1593 (lea_0): Rename to lea_1.
1594 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1595 (lea_general_?): Allow SImodes on TARGET_64BIT
1596 (lea_general_?_zext): New patterns.
1597 (call_1, call_1_rex64): Fix.
1599 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1601 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1603 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1605 * i386.c (function_arg): Return constm1_rtx for last argument.
1606 (ix86_expand_prologue): Update gen_call calls.
1607 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1608 * i386.md (call_pop): Likewise.
1609 (call): Second operand is VOIDmode.
1610 (call_0): Likewise; Support 64bits.
1611 (call_exp): New expander.
1612 (call_1): Get to the sync.
1613 (call_1_exp): New pattern.
1614 (call_value): Support 64bit.
1615 (call_value_exp): New pattern.
1616 (untyped_call): Update gen_call call.
1617 (call_value_pop): Disable for 64bit.
1618 (call_value_0_rex64): New pattern.
1619 (call_value_1_rex64): Likewise.
1621 2001-04-05 Bo Thorsen <bo@suse.de>
1623 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1625 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1627 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1628 satisfies ANY_QI_REG_P.
1630 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1632 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1635 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1638 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1640 * config.gcc: Remove default for xm_file. Clean up local
1641 machine type handling. Remove settings of xm_file to
1642 something that doesn't exist. In the big switch, set xm_file,
1643 don't append to it (the value before the big switch is always
1644 null). Don't force build_xm_file or host_xm_file to have a value.
1645 * configure.in: Remove default for xm_file. Do not special
1646 case $cpu/xm-$cpu.h not existing.
1647 * configure: Regenerate.
1649 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1651 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1652 when folding integer division and modulo operations.
1654 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1656 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1657 instead of DWARF2_ADDR_SIZE for EH addresses.
1658 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1661 2001-04-04 Richard Henderson <rth@redhat.com>
1663 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1664 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1665 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1667 2001-04-04 Richard Henderson <rth@redhat.com>
1669 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1670 * configure: Rebuilt.
1672 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1674 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1675 push insns to delete to it instead of deleting them.
1676 (delete_null_pointer_checks): Delete insns from delete_list after
1677 all delete_null_pointer_checks_1 passes are done.
1679 2001-04-04 Richard Henderson <rth@redhat.com>
1681 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1682 * configure: Rebuilt.
1684 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1686 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1687 * config/romp/xm-romp.h: Delete.
1689 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1691 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1694 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1696 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1697 all labels present in rtx.
1698 (try_split) Call new function for all split insns.
1700 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1702 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1703 sure the change won't be validated.
1705 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1707 * rtl.h (set_noop_p): Declare.
1708 * flow.c (set_noop_p): Move from here ...
1709 * rtlanal.c (set_noop_p): ... to here and enhance.
1710 * cse.c (delete_trivially_dead_insns): Use it.
1711 * gcse.c (hash_scan_set): Likewise.
1712 * jump.c (delete_noop_moves): Likewise.
1713 * recog.c (split_all_insns): Likewise.
1715 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1717 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1718 stack pointer via a LO_SUM. Ditto for setting a temp register
1719 used to save to the stack. Set cfa_temp when setting fp, and
1720 allow matches to cfa_temp in addition to cfa_store when saving
1721 regs. Handle POST_INC and LO_SUM register stores. Document the
1722 changes and errors in rule 12 doco.
1724 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1725 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1726 (load_reg): Move closer to epilogue code.
1727 (DO_FRAME_NOTES): Define to control the following..
1728 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1729 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1731 (hppa_expand_epilogue): Likewise.
1733 2001-04-03 Richard Henderson <rth@redhat.com>
1735 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1736 * configure: Rebuild.
1738 2001-04-03 Richard Henderson <rth@redhat.com>
1740 * rtl.h (LCT_THROW): New.
1741 * calls.c (emit_library_call_value_1): Handle it.
1742 * except.c (connect_post_landing_pads): Use it.
1744 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1746 * gansidecl.h: Delete file.
1747 * configure.in: Change all refs to gansidecl.h to use
1748 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1750 * configure: Regenerate.
1752 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1753 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1754 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1755 Don't include gansidecl.h.
1756 * intl.c, main.c, version.c, fixinc/fixlib.h,
1757 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1760 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1762 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1765 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1767 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1768 config/i386/xm-next.h, config/i386/xm-sco.h,
1769 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1770 config/m88k/xm-m88k.h: Delete.
1772 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1773 * config/romp/xm-romp.h: Don't define bcopy.
1774 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1775 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1777 * config.gcc: Remove references to deleted files.
1779 14 xm-host.h remain, 1 xm-cpu.h.
1781 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1782 David S. Miller <davem@pierdol.cobaltmicro.com>
1783 Andrew MacLeod <amacleod@redhat.com>
1785 Use byte offsets in SUBREGs instead of words.
1787 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1788 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1789 to pass new argument.
1790 (add_stored_regs): Use subreg_regno_offset function.
1791 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1793 (precompute_arguments): Use gen_lowpart_SUBREG.
1794 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1795 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1796 (simplify_set): Rework to use SUBREG_BYTE.
1797 (expand_field_assignment): Use SUBREG_BYTE.
1798 (make_extraction): Use SUBREG_BYTE.
1799 (if_then_else_cond): Use SUBREG_BYTE.
1800 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1801 (gen_lowpart_for_combine): Compute full byte offset.
1802 * cse.c (mention_regs): Use SUBREG_BYTE.
1803 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1804 (canon_hash): Use SUBREG_BYTE.
1805 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1806 (gen_lowpart_if_possible): Formatting.
1807 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1809 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1810 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1811 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1812 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1813 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1814 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1815 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1816 certain invariants about SUBREGs the compiler creates.
1817 (gen_lowpart_SUBREG): New function.
1818 (subreg_hard_regno): New function to get the final register number.
1819 (gen_lowpart_common): Use SUBREG_BYTE.
1820 (gen_imagpart): Spacing nits.
1821 (subreg_realpart_p): Use SUBREG_BYTE.
1822 (gen_highpart): Use SUBREG_BYTE.
1823 (subreg_lowpart_p): Always compute endian corrected goal offset,
1824 even at the byte level, then compare against that.
1825 (constant_subword): New function, pulled out all constant cases
1826 from operand_subword and changed second argument name to offset.
1827 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1828 and call constant_subword to do the work. Return const0_rtx if
1829 looking for a word outside of OP.
1830 (operand_subword_force): Change second arg name to offset.
1831 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1832 (store_split_bit_field): Use SUBREG_BYTE.
1833 (extract_bit_field): Use SUBREG_BYTE.
1834 (extract_split_bit_field): Use SUBREG_BYTE.
1835 (expand_shift): Use SUBREG_BYTE.
1836 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1837 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1838 * flow.c (set_noop_p): Use SUBREG_BYTE.
1839 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1840 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1841 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1843 (optimize_bit_field): Use SUBREG_BYTE.
1844 (purge_addressof_1): Use SUBREG_BYTE.
1845 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1846 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1847 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1848 * gengenrtl.c (special_rtx): Add SUBREG.
1849 * global.c (mark_reg_store): Use SUBREG_BYTE.
1850 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1851 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1852 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1853 final byte offset is congruent to subreg's mode size.
1854 (subst_constants): Use SUBREG_BYTE.
1855 (mark_stores): Use subreg_regno_offset function.
1856 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1857 function and SUBREG_BYTE.
1858 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1859 (reg_is_born): Use subreg_hard_regno.
1860 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1861 endian correction code. Don't combine subregs unless resulting
1862 offset aligns with type. Fix subreg constant extraction for DImode.
1863 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1864 (general_operand): Remove dead mode_altering_drug code.
1865 (indirect_operand): Use SUBREG_BYTE.
1866 (constrain_operands): Use subreg_regno_offset function.
1867 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1868 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1869 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1870 * regs.h (REG_SIZE): Allow target to override.
1871 (REGMODE_NATURAL_SIZE): New macro which target can override.
1872 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1873 on the entire subreg rtx.
1874 (push_reload): Use SUBREG_BYTE in comments and code.
1875 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1876 for hard registers inside subregs.
1877 (operands_match_p): Use subreg_regno_offset.
1878 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1879 containing hard regs.
1880 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1881 corrections when fixing up MEM subregs.
1882 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1883 subreg_regno_offset where appropriate.
1884 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1885 byte endian corrections when fixing up MEM subregs.
1886 (subst_reloads): When combining two subregs, make sure final
1887 offset is congruent to subreg's mode size.
1888 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1889 (refers_to_regno_for_reload_p): Use subreg_regno.
1890 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1891 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1892 correction code for memory subreg fixups.
1893 (forget_old_reload_1): Use subreg_regno_offset.
1894 (choose_reload_regs): Use subreg_regno.
1895 (emit_input_reload_insns): Use SUBREG_BYTE.
1896 (reload_combine_note_store): Use subreg_regno_offset.
1897 (move2add_note_store): Use subreg_regno_offset.
1898 * resource.c (update_live_status, mark_referenced_resources): Use
1899 subreg_regno function.
1900 (mark_set_resources): Use subreg_regno function.
1901 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1902 (subreg_regno_offset, subreg_regno): Define prototypes.
1903 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1904 (gen_lowpart_SUBREG): Add prototype.
1905 * rtl.texi (subreg): Update to reflect new byte offset representation.
1906 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1907 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1908 (reg_overlap_mentioned_p): Use subreg_regno.
1909 (replace_regs); Make sure final offset of combined subreg is
1910 congruent to size of subreg's mode.
1911 (subreg_regno_offset): New function.
1912 (subreg_regno): New function.
1913 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1914 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1915 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1916 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1917 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1918 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1919 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1920 (print_operand): Use SUBREG_BYTE.
1921 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1922 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1923 (arm_reload_out_hi): Use SUBREG_BYTE.
1924 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1925 instead of SUBREG_WORD.
1926 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1927 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1928 SUBREG creation to use byte offset.
1929 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1930 inverted load insns): Fix explicit rtl subregs to use byte
1932 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1933 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1934 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1935 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1936 to use byte offsets.
1937 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1938 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1939 offsets, also make sure it is congruent to SUBREG's mode size.
1940 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1941 unnamed ldob insn): Generate SUBREGs with byte offset.
1942 (zero_extendqihi2): SUBREG's are byte offsets.
1943 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1944 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1945 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1946 zero-extendqisi2): Generate SUBREGs with byte offset.
1947 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1948 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1949 subregs in rtl to use byte offsets.
1950 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1951 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1952 (mips_move_2words): Use subreg_regno_offset.
1953 (mips_secondary_reload_class): Use subreg_regno_offset.
1954 * config/mips/mips.md (DImode plus, minus, move, and logical op
1955 splits): Fixup explicit subregs in rtl to use byte offsets.
1956 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1957 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1958 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1959 rtl to use byte offsets.
1960 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1961 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1962 subregs to use byte offsets.
1963 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1964 Fixup explicit subregs in rtl to use byte offsets.
1965 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1966 and remove byte endian correction code.
1967 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1968 (gen_ashift_hi): Use SUBREG_BYTE.
1969 (regs_used): Use subreg_regno_offset.
1970 (machine_dependent_reorg): Use subreg_regno_offset.
1971 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1972 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1973 (movdf_i4): Subregs are byte offsets now.
1974 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1975 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1976 (REGMODE_NATURAL_SIZE): Override.
1977 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1978 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1980 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1981 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1982 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1983 it is congruent to SUBREG's mode size.
1984 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1986 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1987 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1988 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1989 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1990 * config/v850/v850.c (print_operand, output_move_double): Use
1991 subreg_regno function.
1993 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1995 * configure.in (target_subdir): Use target_alias, not target.
1996 * configure: Rebuilt.
1998 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
2000 * config/sh/crti.asm: Fix typos in comments.
2002 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2004 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
2005 TARGET_FAST_INDIRECT_CALLS.
2006 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
2008 (return_addr_rtx): Short circuit export stub matching when
2009 TARGET_NO_SPACE_REGS.
2010 (output_millicode_call): For out of range calls, make -fPIC
2011 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
2012 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
2013 * pa.md: Modify length attr calculation of all millicode insns to
2016 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
2018 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
2019 Require at least 2.11 in the version test. Specifically check
2020 for and reject GAS version 2.10.90.
2021 * configure: regenerate.
2023 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2025 * pa.c (override_options): Remove PIC profiling warning.
2026 (hp_profile_labelno): Delete.
2027 (hp_profile_label_rtx): Delete.
2028 (hp_profile_label_name): Delete.
2029 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
2030 (output_function_prologue): Remove profiling code and all tests on
2031 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
2032 merge_sp_adjust_with_store can work for PIC and profiling.
2033 (hppa_expand_epilogue): Remove profile_flag test.
2034 (hppa_can_use_return_insn_p): Likewise.
2035 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2036 cater for PROFILE_HOOK.
2037 (hppa_profile_hook): New function.
2038 * pa.h (FUNCTION_PROFILER): Now does nothing.
2039 (PROFILE_HOOK): Define.
2040 (hppa_profile_hook): Declare.
2041 (PROFILE_BEFORE_PROLOGUE): Delete.
2042 (ASM_OUTPUT_REG_PUSH): Delete.
2043 (ASM_OUTPUT_REG_POP): Delete.
2044 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2045 r24. Accept function name operand, and use this and a locally
2046 generated label to calculate pc-rel offset to func start.
2048 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2050 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2051 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2054 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2056 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2057 LO_SUM cases to where they belong.
2059 2001-04-02 Richard Henderson <rth@redhat.com>
2061 * except.h (lang_eh_type_covers): Mark extern.
2062 (lang_eh_runtime_type): Likewise.
2064 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2066 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2067 gengenrtl.c: Wrap generated header in multiple-include guard.
2068 Improve error checking.
2070 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2072 * configure.in: Don't check for putenv.
2073 * configure: Regenerate.
2074 * gcc.c (putenv): Don't define.
2075 * vax/xm-vms.h: Handle putenv.
2077 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2079 * ifcvt.c (noce_emit_move_insn): New.
2080 (noce_try_store_flag, noce_try_store_flag_constants,
2081 noce_try_store_flag_inc, noce_try_store_flag_mask,
2082 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2083 noce_try_abs): Use it.
2084 (noce_process_if_block): Likewise.
2085 For STRICT_LOW_PART, take mode from its SUBREG.
2087 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2089 * fold-const.c (fold): Before optimizing unsigned comparison with
2090 0x7fffffffU, make sure arg0 is integral type.
2092 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2094 * c-tree.texi: Document representation of wide strings.
2096 2001-04-01 Richard Henderson <rth@redhat.com>
2098 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2100 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2102 * i386.md: remove obsoleted comments.
2103 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2104 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2105 fix output template.
2107 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2109 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2111 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2113 * loop.c (load_mems): When generating a load from a pseudo, update
2116 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2118 * i386.c (ix86_split_long_move): Use change address to compensate
2119 stack pointer change in push instruction.
2121 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2123 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2124 instead of rtx_equal_p; fix the output template.
2126 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2128 * i386.c (ix86_expand_setcc): Support 64bit.
2129 (ix86_expand_int_movcc): Likewise.
2130 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2133 * i386.md (allocate_stack_worker): Turn to expander.
2134 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2136 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2138 2001-03-29 Richard Henderson <rth@redhat.com>
2140 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2142 2001-03-28 Matthew Hiller <hiller@redhat.com>
2144 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2147 * MAINTAINERS: Added self.
2149 2001-03-28 Richard Henderson <rth@redhat.com>
2151 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2152 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2154 2001-03-28 Jim Wilson <wilson@redhat.com>
2156 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2159 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2161 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2163 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2166 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2168 2001-03-28 DJ Delorie <dj@redhat.com>
2170 * Makefile.in (stage1_build): Revert CFLAGS patch.
2172 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2174 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2175 when multiplier or multiplicand is zero.
2177 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2179 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2181 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2183 (set_src_needs_barrier): Likewise.
2184 (rtx_needs_barrier): For SET case, use these two functions. Rework
2185 PARALLEL case to handle all inputs before all outputs.
2186 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2187 saw a label and no stop bit since then.
2188 (maybe_rotate, process_epilogue): Add prototypes.
2190 2001-03-28 Richard Henderson <rth@redhat.com>
2192 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2193 not TARGET_TOC for special toc restore handling.
2194 * config/rs6000/rs6000.md (eh_return): Likewise.
2196 2001-03-28 Richard Henderson <rth@redhat.com>
2198 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2199 current_function_calls_eh_return.
2200 (output_function_epilogue): Handle eh_return.
2201 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2202 (EH_RETURN_DATA_REGNO): New.
2203 (EH_RETURN_STACKADJ_RTX): New.
2204 (EH_RETURN_HANDLER_RTX): New.
2205 * config/sparc/sparc.md (call/short branch peepholes): Check
2206 can_throw_internal instead of in_same_eh_region.
2208 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2209 for eh_return data registers.
2210 (rs6000_emit_prologue): Save eh_return data registers.
2211 (rs6000_emit_epilogue): Force inline restores if eh_return.
2212 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2213 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2214 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2215 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2216 the target uses one.
2217 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2218 (return_eh_si, return_eh_di): Remove.
2219 (eh_return): New, from corpse of eh_epilogue.
2220 (eh_set_lr_si, eh_set_lr_di): New.
2222 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2223 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2224 True for pic register if current_function_calls_eh_return.
2225 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2226 Handle eh_return requirements.
2227 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2228 (EH_RETURN_STACKADJ_RTX): New.
2229 * config/i386/i386.md (exception_receiver): Remove.
2230 (eh_return, eh_return_1): New.
2231 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2233 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2234 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2235 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2236 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2237 (EH_RETURN_DATA_REGNO): New.
2238 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2239 * config/alpha/alpha.md (eh_epilogue): Remove.
2240 (exception_receiver): Use $26 for ldgp input.
2241 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2243 2001-03-28 Richard Henderson <rth@redhat.com>
2245 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2246 * except.h: Likewise.
2248 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2249 (LIB2ADDEHDEP): New.
2250 (LIB2FUNCS_EH): Remove.
2251 (LIB2ADD): Remove LIB2ADDEH.
2252 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2253 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2254 (crt{begin,end}[S].o): Likewise.
2255 (except.o): Update includes.
2256 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2257 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2259 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2260 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2261 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2262 * builtins.c (expand_builtin): Implement it.
2263 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2264 * c-common.c (c_common_nodes_and_builtins): Declare it.
2265 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2266 * calls.c (libfunc_nothrow): Remove.
2267 (emit_library_call_value_1): Don't call it.
2268 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2269 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2270 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2271 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2272 (current_funcdef_number): Globalize.
2273 (output_call_frame_info): Emit frame data if an lsda is needed.
2274 Generate augmentation for personality routine. Don't play with
2276 (dwarf2out_begin_prologue): Record funcdef_number.
2277 * dwarf2out.h (current_funcdef_number): Declare.
2278 * expr.c (expand_expr): Update for except.h name changes.
2279 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2280 * expr.h (LTI_throw, LTI_rethrow): Remove.
2281 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2282 (LTI_eh_rtime_match): Remove.
2283 (LTI_unwind_resume, LTI_eh_personality): Add.
2284 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2285 * final.c (final): Don't call check_exception_handler_labels,
2286 init_insn_eh_region, or free_insn_eh_region.
2287 (final_scan_insn): Always emit debug labels for
2288 NOTE_INSN_EH_REGION notes.
2289 * flags.h (flag_new_exceptions): Remove.
2290 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2291 (record_active_eh_regions): Remove.
2292 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2293 Use can_throw_internal.
2294 (find_basic_blocks_1): Likewise.
2295 (move_stray_eh_region_notes): Remove.
2296 (find_label_refs): No eh_return_stub_label.
2297 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2298 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2300 (delete_unreachable_blocks): Don't track deleted handlers.
2301 (flow_delete_block): Use maybe_remove_eh_handler.
2302 (delete_eh_regions): Remove.
2303 (merge_blocks): Don't check for eh region match.
2304 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2305 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2306 (init_propagate_block_info): Disable dead frame store optimization
2307 when current_function_calls_eh_return.
2308 (dump_bb): Don't print eh_beg, eh_end.
2309 * function.c (fixup_var_refs): No catch_clauses.
2310 (expand_function_end): Likewise. Call expand_eh_return before
2311 the return register use. Call sjlj_emit_function_exit_after.
2312 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2313 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2314 * ifcvt.c (dead_or_predicable): Remove eh region check.
2315 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2316 Don't check for EH vs parameters.
2317 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2318 (expand_inline_function): Call duplicate_eh_regions.
2319 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2320 (copy_insn_notes): Remap REG_EH_REGION notes.
2321 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2322 * integrate.h (struct inline_remap): Add local_return_label.
2323 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2324 check_exception_handler_labels, nor exception_optimize.
2325 (find_cross_jump): No EH region check.
2326 * optabs.c (init_optabs): Update for changed eh libfuncs.
2327 * rtl.def (RESX): New.
2328 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2329 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2330 checks. Update for except.h name changes.
2331 (expand_cleanups): Likewise.
2332 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2333 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2334 (compile_file): Call init_eh before init_optabs. Don't
2335 output_exception_table here.
2336 (rest_of_compilation): Call convert_from_eh_region_ranges,
2337 convert_to_eh_region_ranges, output_function_exception_table.
2338 Don't emit_eh_context.
2339 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2340 (EXC_PTR_EXPR): New.
2342 * md.texi (eh_epilogue): Remove.
2343 (eh_return): Document.
2344 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2345 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2347 * eh-common.h: Remove file.
2348 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2349 * libgcc2.c (L_eh): Remove.
2351 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2352 * unwind-dw2-fde.h: New file.
2353 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2354 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2355 * libgcc-std.ver: Update for eh symbols.
2357 2001-03-27 Richard Henderson <rth@redhat.com>
2359 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2360 reduce false positives.
2361 (regmove_optimize): Disable if flag_non_call_exceptions.
2363 * stmt.c (expand_return): Remove always true predicate.
2364 (expand_decl_cleanup_no_eh): Remove dead code.
2366 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2367 barrier code. Add a scheduling barrier if a non-call insn
2368 can throw internally.
2370 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2371 Auto-inc addresses trap only if their base register does.
2373 * except.c (can_throw_internal): Rename from can_throw.
2374 * except.h, resource.c: Update references.
2376 * integrate.c (copy_insn_list): Use returnjump_p.
2377 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2379 * function.h (struct function): Move all boolean valued fields
2380 to single bit fields at the end of the struct.
2382 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2384 Rename asynchronous_exceptions to flag_non_call_exceptions.
2386 * gthr-single.h (UNUSED): New. Distinguish between how C
2387 and C++ mark unused function arguments. Use throughout.
2389 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2390 value to target configuration header.
2391 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2392 * config.in, configure: Rebuild.
2393 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2394 configuration and target defines.
2395 (exceptions_via_longjmp): Remove.
2396 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2397 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2399 * except.h (flag_non_call_exceptions): Move ...
2400 * flags.h: ... here.
2402 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2403 exceptions, put the note on the trapping instruction.
2405 * flags.h (flag_new_exceptions): Remove.
2406 * toplev.c: Don't set it.
2407 * final.c: Don't check it.
2408 * except.c: Provide stub definition.
2410 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2411 (calculate_global_regs_live): Kill call-clobbered registers
2412 across exception edges.
2413 * reg-stack.c (convert_regs_1): Kill the entire target stack
2414 across non-call exception edges.
2416 * flow.c (cleanup_cfg): Take no argument.
2417 * output.h, sibcall.c, toplev.c: Update all calls.
2419 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2421 * configure.in: Don't check for bcopy.
2422 * configure, config.in: Regenerate.
2424 * system.h: Don't define or prototype bcopy, instead poison it.
2426 2001-03-27 Richard Henderson <rth@redhat.com>
2428 * function.c (expand_function_start): Set DECL_REGISTER on
2429 a pseudo used for DECL_RESULT.
2431 * rtl.h (LCT_NORETURN): New.
2432 * calls.c (emit_library_call_value_1): Handle it.
2434 2001-03-27 Stan Shebs <shebs@apple.com>
2436 * objc/objc-act.c (objc_init): Use dump_base_name.
2437 (gen_declaration): Clear the buffer arg.
2438 (gen_declaration_1): New function, body of gen_declaration.
2439 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2440 (gen_method_decl): Ditto, plus always clear buffer arg.
2441 (error_with_ivar): Simplify.
2442 (warn_with_method): Ditto.
2443 (build_message_expr): Don't clear buffers.
2444 (dump_interface): Ditto.
2445 (objc_debug): Ditto.
2446 (build_keyword_selector): Clear the buffer by only zeroing
2448 (objc_implementation_context): Declare.
2449 (start_class): Warn about missing @end.
2450 (finish_objc): Ditto.
2452 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2454 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2456 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2458 * Makefile.in (SYSTEM_H): Define.
2459 Depend on $(SYSTEM_H), not system.h.
2461 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2463 2001-03-27 Jim Wilson <wilson@redhat.com>
2465 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2467 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2468 (process_epilogue): New static function.
2469 (process_set): Call process_epilogue instead of emitting .restore
2471 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2473 * flow.c (struct reg_cond_life_info): New fields orig_condition
2475 (init_propagate_block_info): Set new fields.
2476 (mark_regno_cond_dead): Set and use new fields.
2477 (flush_reg_cond_reg_1): Likewise.
2478 (and_reg_cond, case AND): Check for redundant AND conditions.
2479 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2482 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2484 * cppmacro.c (stringify_arg): Null terminate strings.
2486 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2488 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2489 inclusion style. xm-m68hc11.h no longer exists.
2490 * config/m68hc11/xm-m68hc11.h: Delete file.
2491 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2493 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2494 Don't define GCC_VERSION, N_, or PARAMS; don't include
2495 gansidecl.h or stdio.h. Define inhibit_libc here.
2496 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2497 Delete code conditioned on #if GCC_VERSION == 2095.
2499 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2500 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2501 Delete code conditioned on #if GCC_VERSION == 2095.
2503 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2505 * system.h: Include symcat.h.
2506 (STRINGIFY): Don't define.
2508 * configure.in: Adjust comment.
2510 * builtins.c: Use STRINGX, not STRINGIFY.
2511 * gencheck.c: Likewise.
2512 * gengenrtl.c: Likewise.
2513 * protoize.c: Likewise.
2515 * cpplex.c: Don't include symcat.h.
2516 * cpplib.c: Likewise.
2518 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2520 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2522 * c-typeck.c (digest_init): Fold init expression.
2524 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2526 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2528 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2530 * except.c (eh_regs): Save results of build_pointer_type to a temp
2531 as FUNCTION_VALUE macro may evaluate its args multiple times.
2533 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2535 * c-common.h (DECL_NUM_STMTS): New macro.
2536 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2538 (pushdecl): Likewise.
2539 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2540 * integrate.c (expand_inline_function): Don't check
2542 * print-tree.c (print_node): Don't print it.
2543 * toplev.c (rest_of_compilation): Don't try to inline when
2544 flag_no_inline is on.
2545 * tree.h (DECL_FRAME_SIZE): Remove.
2546 (tree_decl): Adjust accordingly.
2548 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2550 * combine.c (try_combine): Use memcpy, not bcopy.
2552 * genattrtab.c (expand_units): Likewise.
2554 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2556 * i386.md (push mem DI peep2): New.
2557 (mov 0, mov -1 peep2): Handle 64bit.
2558 (lea to arithmetics peep2): Handle 64bit leas.
2559 (rsp arithmetics to push/pop peep2s): New.
2561 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2563 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2565 * i386.c (struct machine_function): Add save_varrargs_registers.
2566 (ix86_save_varrargs_registers): New macro.
2567 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2568 (ix86_expand_prologue): Likewise.
2569 (ix86_emit_epilogue_esp_adjustement): Likewise.
2570 (ix86_expand_epilogue): Likewise.
2571 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2572 (pro_epilogue_adjust_stack_1): New insn.
2573 (pro_epilogue_adjust_stack_rex64): Likewise.
2574 * i386.h (MASK_NO_RED_ZONE): New constant.
2575 (TARGET_RED_ZONE): New macro.
2576 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2577 (RED_ZONE_SIZE): New constant.
2578 (RED_ZONE_RESERVE): New constant.
2580 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2582 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2584 2001-03-25 Kazu Hirata <kazu@hxi.com>
2586 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2589 (umodhi3): Likewise.
2592 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2594 * mkconfig.sh (DEFINES): Handle entries with '='.
2596 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2597 Set xm_defines to MACRO=value instead.
2599 * i370/xm-mvs.h: Delete.
2601 * ns32k/xm-pc532-min.h: Likewise.
2603 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2605 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2607 use ix86_expand_binary_operator
2608 (?sh??i_?): Disable for 64bit.
2609 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2610 * i386.c (shiftdi_operand): New predicate.
2612 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2613 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2614 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2615 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2616 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2617 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2618 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2619 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2620 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2621 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2622 (rotldi3, rotrdi3): New expanders.
2624 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2626 * i386.md (movstrsi): Move offline.
2628 (strmovdi_rex64): New.
2629 (strmov?i): Accept 64bit.
2630 (strmov?i_rex64): New.
2631 (strmov?i_rex_1): New.
2632 (strmov?i_1): Disable for 64bit.
2633 (rep_mov?i_rex64): New.
2634 (rep_mov?i): Disable for 64bit.
2635 (clrstrsi): Move offline.
2636 (strset?i_rex64): New.
2637 (strset?i: Accept 64bit.
2638 (rep_stos?i): Disable for 64bit.
2639 (rep_stos?i_rex64): New.
2640 (strset?i_rex_1): New.
2641 (strset?i_1): Disable for 64bit.
2642 (cmpstrsi): Accept 64bit.
2643 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2644 (cmpstrqi_nz_rex_1): New.
2645 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2646 (strlensi): Move offline.
2648 (strlenqi_1): Disable for 64bit; fix constraints.
2649 (strlenqi_rex_1): New.
2650 * i386.c (ix86_adjust_counter): New static function.
2651 (ix86_zero_extend_to_Pmode): Likewise.
2652 (ix86_expand_aligntest): Likweise.
2653 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2654 (ix86_expand_movstr): New global function.
2655 (ix86_expand_clrstr): New global function.
2656 (ix86_expand_strlen): New global function.
2657 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2658 ix86_expand_strlen): Declare.
2659 (ix86_expand_strlensi_unroll_1): Delete.
2661 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2663 * i386.md (cmpdi): Fix operand predicates.
2664 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2665 cmpdi_1_insn_rex64): New patterns.
2666 (adddi3): Turn to expander.
2667 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2668 (addsi3_carry_zext): New pattern.
2669 (adddi_?_rex64): New patterns and splitters.
2670 (addsi_?_zext): New patterns.
2671 (subsi3_carry_zext): New pattern.
2672 (subdi_?_rex64): New patterns and splitters.
2673 (iorsi_?_zext): New patterns.
2674 (iordi_?_rex64): New patterns and splitters.
2675 (iorsi_?_zext): New patterns.
2676 (iorsi_?_zext_imm): New patterns.
2677 (xorsi_?_zext): New patterns.
2678 (xordi_?_rex64): New patterns and splitters.
2679 (xorsi_?_zext): New patterns.
2680 (negdi*): New patterns.
2681 (one_cmpldi*): Likewise.
2682 (one_cmplsi*_zext, negsi*_zext): Likewise.
2683 (testqi_ext_3_rex64): New pattern.
2685 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2687 * i386-protos.h (ix86_split_long_move): Return void.
2688 * i386.c (ix86_split_to_parts): Handle 64bit target.
2689 (ix86_split_long_move): Likewise.
2690 * i386.md (all calls to ix86_split_long_move): Update.
2692 2001-03-23 Richard Henderson <rth@redhat.com>
2694 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2695 to avoid shadowing arguments.
2697 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2699 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2700 to variable names where DECL_NAME is different from
2701 DECL_ASSEMBLER_NAME.
2703 2001-03-23 Jim Wilson <wilson@redhat.com>
2705 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2706 (assemble_alias): Call make_decl_rtl.
2708 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2710 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2712 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2714 * extend.texi: Document the "java_interface" attribute.
2716 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2718 * mkconfig.sh: Use a subshell with redirected stdout,
2719 instead of closing stdout and confusing commands that run
2720 afterward. Throw away output of cmp.
2722 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2724 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2726 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2728 * i386.md (zero_extendsidi2_32): Break out from ...
2729 (zero_extendsidi2): ... here ; turn to expander.
2730 (zero_extendsidi2_rex64): New.
2731 (extendsidi2_32): Break out from ...
2732 (extendsidi2): ... here ; turn to expander.
2733 (extendsidi2_rex64): New.
2734 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2735 (trunc?f?f splitters): Add 64bit versions.
2737 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2739 * i386.md (pushsi, pushsi2_prologue): Disable.
2740 (pushsi2_rex64): New.
2741 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2742 (movqi_ext_1): Disable for 64bit.
2743 (movqi_ext_1_rex64): New.
2744 (pushdi2_rex64): New pattern, peep2s and splitter.
2745 (pushdi2_prologue_rex64): New pattern.
2746 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2748 (movdi splitters): Disable for 64bit.
2749 (movdi_1_rex64): New pattern, peep2s and splitters.
2750 (swapdi): New pattern.
2751 (pushsf): Disable for 64bit.
2752 (pushsf_rex64): New pattern and splitter.
2753 (pushdf_nointeger): Disable for 64bit.
2754 (pushdf_integer): Handle the 64bit case.
2755 (pushtf): Likewise; update splitters.
2757 2001-03-22 Richard Henderson <rth@redhat.com>
2759 * mkconfig.sh: Include insn-flags.h.
2760 * Makefile.in (CONFIG_H): Include insn-flags.h.
2761 (lots of objects): Remove insn-codes.h and insn-flags.h.
2763 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2764 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2765 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2766 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2767 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2768 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2769 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2770 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2771 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2772 v850/v850.c, vax/vax.c:
2773 Don't include insn-flags.h.
2775 * diagnostic.c, expr.h, reload.c, toplev.c:
2776 Don't include insn-codes.h.
2778 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2779 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2780 c4x/c4x.c, i960/i960.c, mips/mips.c:
2781 Don't include insn-codes.h or insn-flags.h.
2783 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2784 or insn-flags.h in the generated code.
2785 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2786 (main): Forward declare struct rtx_def.
2788 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2790 * invoke.texi (-ffast-math): Remove duplicate line about
2793 * gcc.texi: Remove more obsolete documentation of bugs and
2794 installation problems.
2796 2001-03-21 Kazu Hirata <kazu@hxi.com>
2798 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2801 2001-03-20 Jason Merrill <jason@redhat.com>
2803 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2805 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2806 * varasm.c (CHKR_PREFIX): Likewise.
2808 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2810 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2811 is part of a multi-SET insn.
2813 * cse.c (find_comparison_args): Remove previous change.
2814 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2817 * config/i386/i386.md (conditional_trap): Remove warning.
2819 * recog.c (push_operand): Fix error in last change that caused
2820 undefined symbol on many targets.
2822 * sdbout.c: #include ggc.h.
2823 (sdbout_init): Move to end of file.
2824 Call ggc_add_tree_root for anonymous_types.
2825 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2826 (sdbout_one_type): Use DECL_NAME for field name.
2827 * Makefile.in (sdbout.o): Show includes ggc.h.
2829 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2831 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2832 (override_options): Use properlimits for preferred_stack_boundary.
2833 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2835 (ext_register_operand): Accept DImode.
2836 (load_pic_register): Abort on 64bit.
2837 (gen_push): Use Pmode instead of SImode.
2838 (ix86_save_reg): Pic reg is never used on 64bit.
2839 (ix86_expand_prologue): Likewise.
2840 (ix86_emit_save_regs): Use Pmode instead of SImode.
2841 (legitimate_address_p): Check displacement for 64bit.
2842 (print_operand): Avoid outputting of (%rip) on 64bit.
2843 (print_operand_address): Output (%rip) where possible.
2844 (split_di): Abort on 64bit registers.
2845 (ix86_expand_branch): DImode comparison is simple for x86_64.
2846 (memory_address_length): Recognize memory addresses formed using
2848 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2850 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2852 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2854 * recog.c (push_operand): Recognize new format of push instructions.
2856 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2858 * i386.md (pushqi1): New.
2859 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2860 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2861 x86_64_immediate_operand, x86_64_immediate_operand,
2862 x86_64_zext_immediate_operand): Declare.
2863 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2864 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2865 x86_64_immediate_operand, x86_64_immediate_operand,
2866 x86_64_zext_immediate_operand): define.
2867 * i386.h (PREDICATE_CODES): Add new predicates.
2869 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2871 * i386.md (pophi1, popqi1, pushqi1): Remove.
2873 * expr.c (emit_single_push_insn): New function.
2874 (move_by_pieces): Accept NULL as destination for push instructions.
2875 (gen_push_operand): Kill.
2876 (emit_push_insn): Pass NULL when pushing; avoid updating of
2877 stack_pointer_delta.
2878 * expr.h (gen_push_operand): Kill.
2880 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2882 * rtl.texi (COMPARE): Clarify documentation and reference section
2885 2001-03-20 Stan Shebs <shebs@apple.com>
2887 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2888 (get_object_reference): Ditto.
2889 (error_with_ivar): Use error_with_file_and_line.
2890 (warn_with_method): Use warning_with_file_and_line.
2892 2001-03-20 Tom Tromey <tromey@redhat.com>
2894 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2896 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2898 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2899 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2901 2001-03-20 DJ Delorie <dj@redhat.com>
2903 * Makefile.in (install-libgcc): Pass complete list of variables.
2904 (install-multilib): Ditto.
2906 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2908 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2909 drectve_section, switch_to_section.
2911 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2912 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2913 i386_pe_mark_dllimport.
2915 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2917 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2918 functions i386_pe_*.
2920 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2921 i386_pe_* functions with char * arguments.
2923 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2925 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2927 (movsi_ie): Introduce fpul store.
2929 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2931 * Makefile.in (OBJS): Remove hashtab.o.
2933 2001-03-19 Stan Shebs <shebs@apple.com>
2935 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2936 * c-lang.c (maybe_objc_method_name): Ditto.
2937 * c-tree.h (maybe_objc_method_name): Remove decl.
2939 2001-03-19 Tom Tromey <tromey@redhat.com>
2941 * gcc.c (init_gcc_specs): Fix comment.
2943 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2945 Compute DECL_ASSEMBLER_NAME lazily.
2946 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2947 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2948 (SET_DECL_ASSEMBLER_NAME): Likewise.
2949 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2950 (set_decl_assembler_name): Declare.
2951 (lang_set_decl_assembler_name): Likewise.
2952 * tree.c (lang_set_decl_assembler_name): New variab.e
2953 (set_decl_assembler_name): New function.
2954 (init_obstacks): Set lang_set_decl_assembler_name.
2955 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2956 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2957 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2958 where it's not necessary.
2959 (builtin_function): Likewise.
2960 (finish_decl): Likewise.
2961 * dbxout.c (dbxout_type_methods): Likewise.
2962 * ggc-common.c (ggc_mark_trees): Likewise.
2963 * profile.c (output_func_start_profiler): Likewise.
2964 * varasm.c (make_decl_rtl): Likewise.
2966 * cse.c (find_comparison_args): Update documentation. Fix
2967 mishandling of COMPARE operations.
2969 * tree.def (ABS_EXPR): Add documentation.
2970 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2972 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2974 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2976 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2978 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2979 Remove ia32 linux PIC kludge and move it...
2980 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2982 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2984 * i386.md (absdf2 expander): Fix 64bit case.
2986 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2988 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2990 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2992 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2994 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2996 * README.X11: Remove obsolete file.
2998 2001-03-18 Anthony Green <green@redhat.com>
3000 * config/pj/pj.h: Remove some trailing commas.
3001 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
3003 2001-03-18 Richard Henderson <rth@redhat.com>
3005 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
3006 * calls.c: ... here.
3007 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
3008 defaults for them here.
3010 2001-03-17 Anthony Green <green@redhat.com>
3012 * config/pj/lib1funcs.S: Fix broken comment.
3013 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
3016 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
3018 * gcc.texi: Remove obsolete information relating to build and
3019 installation problems with enquire or the Pyramid C compiler.
3021 2001-03-17 Richard Henderson <rth@redhat.com>
3023 * dwarf2out.c (queue_reg_save): New.
3024 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3025 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3027 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3028 (cfa, cfa_store, cfa_temp): Make static.
3029 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3031 2001-03-17 Richard Henderson <rth@redhat.com>
3033 * integrate.h (struct inline_remap): Add local_return_label.
3034 * integrate.c (expand_inline_function): Initialize it and emit
3035 it after copy_insn_notes.
3036 (copy_insn_list): Don't store local_return_label here.
3037 (copy_insn_notes): New function split out from copy_insn_list.
3039 2001-03-17 Richard Henderson <rth@redhat.com>
3041 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3042 is generating .debug_line.
3043 (dwarf2out_init): Add main_input_filename to the file table first.
3044 * configure.in (as_dwarf2_debug_line): Test with file number 1
3045 instead of file number 0.
3047 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3049 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3050 (gen_rtx_combine): Deleted; all references changed as appropriate.
3051 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3053 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3055 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3057 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3060 2001-03-16 Jim Wilson <wilson@redhat.com>
3062 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3063 then set it to LOC_REG (79) instead of aborting.
3065 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3067 * gccbug.in: Remove high priority.
3069 2001-03-16 Richard Henerson <rth@redhat.com>
3071 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3072 output with a space instead of deleting it.
3073 * configure: Regenerate.
3075 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3077 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3078 handles the gory details of converting an object file into
3079 something that's safe to grep.
3080 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3081 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3082 newlines at either end of the string we're looking for.
3083 Make 'checking ...' message less stilted.
3084 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3085 ARM in-memory layout and its hypothetical converse. Don't
3086 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3087 HOST_WORDS_BIG_ENDIAN.
3089 * configure.in: Adjust for renamed macro. Move
3090 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3091 * configure, config.in: Regenerate.
3093 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3095 * fixinc/Makefile.in: Set SHELL.
3097 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3099 * fixinc/fixincl.c (fix_with_system): Quote file names before
3100 passing them to shell.
3102 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3104 * Makefile.in: Use fix-header$(build_exeext) instead
3107 2001-03-16 Richard Henderson <rth@redhat.com>
3109 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3110 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3111 (size_of_line_prolog): Remove.
3112 (output_line_info): Compute prologue size via label difference.
3113 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3115 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3116 assembler error when redefining file numbers.
3117 * config.in, configure: Rebuild.
3119 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3120 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3121 (dw2_asm_output_delta_uleb128): Likewise.
3122 (dw2_asm_output_delta_sleb128): Similarly.
3123 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3125 2001-03-16 Michael Meissner <meissner@redhat.com>
3127 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3129 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3131 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3133 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3134 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3135 being unsigned in ISO C and signed in traditional.
3136 (expand_prologue): Ditto.
3137 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3139 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3141 (divsi3,divdi3): Ditto.
3142 (modsi3,moddi3): Ditto.
3143 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3144 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3145 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3148 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3150 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3151 SSE based conditional moves on LTGT/UNEQ conditions;
3152 Canonicalize EQ to NE.
3153 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3154 (sse_mov?fcc_ne): New.
3156 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3158 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3160 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3161 register may be dead.
3163 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3165 * Makefile.in (hash.o): Depend on CONFIG_H.
3167 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3169 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3171 2001-03-15 Richard Henderson <rth@redhat.com>
3173 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3174 (ASM_OUTPUT_DWARF_PCREL): New.
3175 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3177 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3179 * cppfiles.c (stack_include_file): Use MAX of sysp.
3181 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3183 * config.gcc (ia64*-*-hpux*): New case.
3184 * config/ia64/hpux.h: New file for HP-UX support.
3185 * config/ia64/t-hpux: New file for HP-UX support.
3187 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3189 * fixinc/inclhack.def (irix_stdio_va_list): New.
3190 * fixinc/fixincl.x: Rebuilt.
3192 2001-03-15 Richard Henderson <rth@redhat.com>
3194 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3195 if provided by the target.
3196 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3197 (dw2_asm_output_addr): New.
3198 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3199 * dwarf2out.c (output_cfi): Use it for program addresses.
3200 (output_call_frame_info, output_die): Likewise.
3201 (output_aranges, output_line_info): Likewise.
3203 2001-03-15 Bruce Korb <bkorb@gnu.org>
3205 * gcc.c(main): make more rigorous
3206 * collect2.c(main): guard against ignoring SIGCHLD
3207 * protoize.c(main): ditto
3208 * gcc/fixinc/fixincl.c(initialize): ditto
3210 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3212 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3213 (sdbout_parms): Likewise.
3215 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3217 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3218 "widen" a destination that is already wider than a word. Also do
3219 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3221 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3223 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3225 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3227 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3229 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3231 * i960.h (i960_maxbitalignment,
3232 i960_last_maxbitalignment): Declare.
3233 * i960.c (i960_maxbitalignment,
3234 i960_last_maxbitalignment): Make global.
3235 (process_pragma): Delete.
3236 (i960_pr_align, i960_pr_noalign): Move from here ...
3237 * i960-c.c: ... to this new file.
3238 * t-960bare (i960-c.o): New rule.
3239 * t-vxworks960 (i960-c.o): Likewise.
3240 * config.gcc (i960-*-*): Define c_target_objs and
3243 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3245 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3246 without adding in rtx code and mode.
3248 * alias.c (init_alias_analysis): Don't use any rtx whose value
3249 varies as a known value.
3250 Delete a superfluous test.
3252 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3254 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3255 scheduling a stop bit.
3256 (ia64_emit_nops): Correctly handle ASMs.
3258 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3260 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3262 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3264 * cpp.texi: Update documentation for -include and -imacros.
3265 * cppfiles.c (struct include_file): Remove "defined" memeber.
3266 (find_or_create_entry): Make a copy of the file name, and
3268 (open_file): Update to ensure we use the simplified filename.
3269 (stack_include_file): Don't set search_from.
3270 (cpp_included): Don't simplify the path name here.
3271 (find_include_file): New prototype. Call search_from to
3272 get the start of the "" include chain. Don't simplify the
3274 (_cpp_execute_include): New prototype. Move diagnostics to
3275 do_include_common. Update.
3276 (_cpp_pop_file_buffer): Don't set defined.
3277 (search_from): New prototype. Use the preprocessor's cwd
3278 for files included from the command line.
3279 (read_name_map): Don't simplify the pathname here.
3280 * cpphash.h (enum include_type): New.
3281 (struct buffer): Delete search from. New search_cached.
3282 (_cpp_execute_include): Update prototype.
3283 * cppinit.c (do_includes): Use _cpp_execute_include.
3284 * cpplib.c (do_include_common): New function.
3285 (do_include, do_include_next, do_import): Use it.
3287 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3289 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3290 contents of the RTL, to determine the name of the object.
3292 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3294 * tree.h (DECL_RTL): Allocate RTL lazily.
3295 (SET_DECL_RTL): New macro.
3296 (DECL_RTL_SET_P): Likewise.
3297 (COPY_DECL_RTL): Likewise.
3298 (DECL_RTL_IF_SET): Likewise.
3299 * varasm.c (make_decl_rtl): Add assertions about the kind of
3300 declaration we are processing.
3301 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3302 (start_decl): Likewise.
3303 (finish_decl): Likewise.
3304 * c-semantics.c (emit_local_var): Likewise.
3305 * calls.c (expand_call): Likewise.
3306 * dbxout.c (dbxout_symbol): Likewise.
3307 * emit-rtl.c (unshare_all_rtl): Likewise.
3308 (unshare_all_decls): Likewise.
3309 (reset_used_decls): Likewise.
3310 * expr.c (store_constructor): Likewise.
3311 (safe_from_p): Likewise.
3312 (expand_expr): Likewise.
3313 * function.c (put_var_into_stack): Likewise.
3314 (instantiate_decls_1): Likewise.
3315 (assign_parms): Likewise.
3316 (expand_function_start): Likewise.
3317 (expand_function_end): Likewise.
3318 * ggc-common.c (gcc_mark_trees): Likewise.
3319 * integrate.c (function_cannot_inline_p): Likewise.
3320 (copy_decl_for_inlining): Likewise.
3321 (expand_inline_function): Likewise.
3322 (integrate_parm_decls): Likewise.
3323 (integrate_decl_tree): Likewise.
3324 * print-tree.c (print_node): Likewise.
3325 * reg-stack.c (stack_result): Likewise.
3326 * stmt.c (label_rtx): Likewise.
3327 (expand_return): Likewise.
3328 (expand_decl): Likewise.
3329 (expand_decl_cleanup): Likewise.
3330 (expand_anon_union_decl): Likewise.
3331 * toplev.c (check_global_declarations): Likewise.
3332 (rest_of_decl_compilation): Likewise.
3333 * tree.c (simple_cst_equal): Likewise.
3334 * objc/objc-act.c (generate_static_references): Likewise.
3336 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3338 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3339 gcc_AC_C_FLOAT_FORMAT): New macros.
3340 * configure.in: Add AC_PROG_CPP after CC tests;
3341 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3342 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3343 * configure, config.in: Regenerate.
3345 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3346 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3347 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3348 config/i370/xm-linux.h, config/i370/xm-oe.h,
3349 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3350 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3351 config/pa/xm-linux.h, config/pa/xm-pa.h,
3352 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3353 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3354 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3355 config/we32k/xm-we32k.h: Delete.
3357 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3358 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3359 config/vax/xm-vms.h: Don't define any of:
3360 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3362 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3364 * config.gcc: Remove references to deleted files.
3365 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3366 FATAL_EXIT_CODE, which is the same between oe and mvs).
3368 2001-03-14 DJ Delorie <dj@redhat.com>
3369 Vladimir Makarov <vmakarov@redhat.com>
3371 * config/i960/i960.c (i960_function_prologue): Compute size of
3372 frame according to number of registers actually saved there.
3374 2001-03-14 Richard Henderson <rth@redhat.com>
3376 * expr.c (emit_move_insn_1): Fix else if around #endif.
3378 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3381 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3384 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3386 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3387 (override_options): Parse cmodel string.
3388 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3389 * i386.h (TARGET_OPTIONS): Add "cmodel".
3390 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3392 (ix86_cmodel_string, ix86_cmodel): Declare.
3394 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3397 * i386.h (GENERAL_REG_P): Add missing REG_P.
3399 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3401 * configure.in: Use $gcc_cv_as instead of $as.
3402 * configure: Regenerated.
3404 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3406 * cppfiles.c (stack_include_file): Only increase the include
3407 count if we actually process the file properly, as opposed
3408 to treating it as length zero. Only call read_include_file
3409 if not DO_NOT_REREAD. Handle the -H include file output
3411 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3412 (cpp_included, find_include_file): Simplify pathnames after
3413 remapping them. If remapping, don't use the remapped file
3414 name's buffer as our scratch buffer.
3415 (cpp_pop_file_buffer): Replace the multiple include macro
3416 only if it isn't yet set.
3417 (read_name_map): Simplify remapped names when reading in.
3418 (remap_filename): Move code to code path that uses it.
3419 (_cpp_simplify_pathname): Return the input pointer.
3420 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3422 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3424 * expr.c (expand_expr): Revove bogus conditional.
3426 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3428 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3430 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3432 * reg-stack.c (stack_result): Unconditionally use
3433 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3435 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3437 * expr.c (emit_move_insn_1): Split push of complex value when
3438 no suitable push instruction exist.
3440 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3441 instead of QI_REG_P.
3443 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3445 * alias.c (handled_component_p, can_address_p): New functions.
3446 (get_alias_set): Use them.
3448 2001-03-13 Jim Wilson <wilson@redhat.com>
3450 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3451 from 80 in try_locals code.
3452 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3454 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3456 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3457 gcc_AC_C_LONG_LONG): New.
3458 * configure.in: Use them. Probe the size of short, int, long,
3459 and long long/__int64 if we have them. Move all the AC_C_*
3460 checks together, except gcc_AC_C_CHAR_BIT which has to go
3461 after AC_CHECK_HEADERS(limits.h).
3462 Take hwint.h out of host_xm_file and build_xm_file.
3464 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3465 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3466 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3467 Move the HOST_WIDEST_INT setup logic here from system.h.
3468 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3470 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3471 is now handled by hwint.h.
3473 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3474 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3475 config/ia64/xm-ia64.h: Don't define any of:
3476 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3477 HOST_BITS_PER_LONGLONG.
3479 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3480 config/h8300/xm-h8300.h, config/mips/iris6.h,
3481 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3482 config/sparc/xm-sp64.h: Delete.
3483 * config.gcc: Remove references to deleted files.
3485 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3486 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3487 * config/i370/xm-linux.h: Clarify floating-point situation in
3490 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3492 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3493 (find_include_file): Decide here which part of the include
3494 chain to start the search. Complain about an empty include
3495 chain in all cases apart from an abolsute file name.
3496 (_cpp_execute_include): Don't choose the search chain here.
3497 Don't call handle_missing_include in the case of an empty
3499 (_cpp_compare_file_date): Don't choose the search chain here.
3500 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3501 here from _cpp_execute_include. Behave like #include if
3502 we're in the main file.
3504 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3506 * system.h (malloc, realloc, calloc, strdup): Only poison these
3507 tokens when IN_GCC is defined.
3509 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3511 * i386.md (abs?f expander): Support SSE case.
3512 (abd?f_if): Add new "USE"; add splitters.
3514 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3516 * cpp.texi (poison): Explain the macro expansion exception.
3518 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3520 * expr.c (store_expr): Add dont_store_target. If temp is already in
3521 target before copying to reg, don't store it into target again.
3523 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3525 * cppinternals.texi: Update for file handling.
3527 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3529 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3530 2001-02-24 which broke building the Java library.
3531 * function.c (identify_blocks): Likewise.
3532 (all_blocks): Likewise.
3533 * integrate.c (integrate_decl_tree): Likewise.
3534 * print-tree.c (print_node): Likewise.
3535 * tree.h (BLOCK_NUMBER): Likewise.
3536 (struct tree_block): Likewise.
3538 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3540 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3541 __WCHAR_TYPE__ definition.
3542 (WCHAR_TYPE_SIZE): #undef before #define.
3544 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3546 * cppfiles.c: Update comments.
3547 (destroy_include_file_node): Rename destroy_node.
3548 (find_or_create_entry): New function.
3549 (open_file, _cpp_fake_include): Use it.
3550 (handle_missing_header): New function, broken out of
3551 _cpp_execute include. Don't segfault if there is no
3552 system or quoted path.
3553 (_cpp_execute_include): Use handle_missing_header.
3555 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3557 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3558 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3560 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3562 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3563 unless anti_dependence says they are.
3564 * alias.c (objects_must_conflict): If neither has a type specified,
3567 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3568 David Billinghurst <David.Billinghurst@riotinto.com>
3570 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3572 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3574 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3575 (*_one_bit): Remove type on the match_operand in attributes.
3577 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3579 * i386.c: Commit forgotten hunk in previous patch.
3580 (regclass_map): Add extended registers.
3581 (dbx_register_map): Add missing frame register.
3583 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3585 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3587 * i386.md (x86_sahf_1): Disable for 64bit.
3588 (popsi*, pophi*): Likewise.
3589 (pushqi, pushhi): Likewise.
3590 (movdi, pushdi): Likewise.
3591 (zero extend DImode splitter): Likewise.
3592 (adddi, minusdi splitter): Likewise.
3593 (umulsidi): Likewise.
3595 (mulsidi): Disable for 64bit
3596 (lshift:DI/ashift:DI): Disable for 64bit.
3597 (loop patterns): Likewise.
3598 (call_pop, call_value_pop expanders and patterns): Likewise.
3599 (prologue_get_pc): Likewise.
3601 (fcmovDI pattern and splitter): Likewise.
3602 (movdfcc_1_rex64): New.
3604 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3606 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3607 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3608 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3609 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3610 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3611 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3612 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3613 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3614 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3615 (REGPARM_MAX): Set to 6 for x86_64.
3616 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3617 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3620 * (patterns that does use upper halves): Update constraints
3621 'q' to 'Q' and 'r' to 'R'.
3622 (cmpqi_ext_1): Disable for 64bit.
3623 (cmpqi_ext_3_insn): Likewise.
3624 (movqi_extzv_1): Likewsie.
3625 (addqi_ext_1): Liekwsie
3626 (testqi_ext_1): Liekwsie
3627 (andqi_ext_1): Liekwsie
3628 (xorqi_ext_1): Liekwsie
3629 (cmpqi_ext_1_rex64): New.
3630 (cmpqi_ext_3_insn_rex64): Likewise.
3631 (movqi_extzv_1_rex64): Likewsie.
3632 (addqi_ext_1_rex64): Liekwsie
3633 (testqi_ext_1_rex64): Liekwsie
3634 (andqi_ext_1_rex64): Liekwsie
3635 (xorqi_ext_1_rex64): Liekwsie
3637 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3639 * configure.in: Move check for unsigned enumerated bitfields
3640 to macro in aclocal.m4. Disable it for now.
3641 * configure, config.in: Regenerate.
3642 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3643 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3644 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3645 kind above its first use.
3647 * config/xm-interix.h, config/alpha/xm-alpha.h,
3648 config/i370/xm-linux.h, config/i386/xm-beos.h,
3649 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3650 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3651 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3652 Don't define ONLY_INT_FIELDS under any circumstances.
3654 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3656 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3657 config/sparc/xm-sysv4.h: Delete - now identical with some
3659 * config.gcc (hppa targets): Replace xm-pahpux.h and
3660 xm-papro.h with implicit xm-pa.h.
3661 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3664 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3666 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3667 before reload_cse_noop_set_p.
3669 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3671 * config.gcc: Where xm-host.h used to include another
3672 xm-host.h, list the nested header directly in xm_file. Remove
3673 references to deleted files. Can now use sparc/xm-sp64.h for
3676 * config/xm-linux.h, config/arm/xm-linux.h,
3677 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3678 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3679 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3680 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3681 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3684 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3685 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3686 bother to wrap #undef in #ifdef.
3687 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3688 Don't include xm-linux.h.
3689 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3691 * configure.in: Wrap regexps using [] in changequote block.
3692 Use expr : not echo | grep. Simplify regexps.
3693 * configure: Regenerate.
3695 56 xm-files remain, 22 xm-arch.
3697 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3699 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3700 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3701 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3702 (copy_object): Fix format specifier vs argument mismatch.
3704 * mips-tdump.c: Make local functions static.
3705 (rindex): Don't #undef.
3706 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3707 (fatal, fancy_abort): Delete.
3708 (read_seek): Avoid signed/unsigned compare.
3710 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3712 * combine.c (try_combine): Fix error in change to try original
3714 (gen_rtx_combine): Do same as gen_rtx for now.
3716 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3718 * configure.in: AC_SUBST xm_defines.
3719 * configure: Regenerate.
3720 * Makefile.in: Set DEFINES=$(xm_defines) when building
3723 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3725 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3726 (cpp_included, find_include_file): Update.
3727 (_cpp_compare_file_date): Make else unconditional.
3729 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3731 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3733 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3735 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3736 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3738 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3740 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3741 if it's a record type.
3743 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3745 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3746 mingw includes slightly.
3748 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3750 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3751 #undef token before poisoning it.
3753 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3755 * alpha.c (check_float_value): Use memcpy, not bcopy.
3757 * m32r.c (m32r_sched_reorder): Likewise.
3759 * vax.c (check_float_value): Likewise.
3761 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3763 * toplev.c (file_name_nondirectory): Remove.
3764 * toplev.h: Similarly.
3765 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3766 of file_name_nondirectory.
3768 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3770 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3771 * mips-tfile.c: Don't #undef rindex; not used.
3773 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3775 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3776 (dbx64_register_map): Declare.
3777 (RETURN_ADDR_RTX): Fix for 64bit.
3778 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3779 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3780 * i386.c (dbx64_register_map): New global array.
3781 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3782 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3785 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3787 * cppfiles.c (search_from): Use lbasename.
3788 * mkdeps.c (deps_add_default_target): Use lbasename.
3790 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3792 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3793 xcalloc in lieu of malloc, realloc & calloc.
3795 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3797 * gengenrtl.c (xmalloc): Likewise.
3799 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3800 really_call_* memory allocation routines.
3802 * stmt.c (check_for_full_enumeration_handling): Use
3803 really_call_calloc, not calloc.
3805 * system.h (really_call_malloc, really_call_calloc,
3806 really_call_realloc): Define.
3807 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3809 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3811 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3813 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3815 * configure: Rebuilt.
3816 * configure.in: Only use `lang_requires' for languages athat are
3819 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3821 * invoke.texi: Fix typo.
3822 * gcc.1: Regenerate.
3824 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3826 * configure.in: Prune nonexistent files from build_xm_file,
3827 xm_file, and host_xm_file lists. Warn unless they're
3829 Don't generate *config.h here.
3830 AC_SUBST all variables needed to generate *config.h.
3831 * configure: Regenerate.
3832 * mkconfig.sh: New helper script, from code removed from
3834 * Makefile.in: Zap all MALLOC variables - no longer used
3835 anywhere, and malloc.c doesn't exist.
3836 Substitute in variables needed to generate *config.h.
3837 Stop lying about the dependencies contained in CONFIG_H and
3839 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3840 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3841 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3842 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3843 $(TM_P_H), etc. as appropriate.
3845 * config.gcc: Zap references to deleted files.
3846 * ggc-none.c: Don't include rtl.h or tm_p.h.
3848 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3849 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3850 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3851 config/i386/xm-linux.h, config/i386/xm-linux.h,
3852 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3853 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3854 Don't include i386/xm-i386.h.
3856 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3857 config/i386/xm-i386.h, config/i860/xm-i860.h,
3858 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3859 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3860 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3861 Delete (empty except comments, #includes of other deleted
3862 files, and macros used nowhere).
3864 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3866 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3867 independent on TARGET_FLAGS.
3869 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3871 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3873 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3875 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3877 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3878 LAST_REX_SSE_REG): define.
3879 (enum reg_class): Add 'LEGACY_REGS'
3880 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3881 (SSE_REGNO_P): Recognize extended registers.
3882 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3883 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3884 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3885 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3886 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3887 REG_OK_FOR_STRREG_P): Remove.
3888 (HI_REGISTER_NAMES): Add extended registers.
3889 (ADDITIONAL_REGISTER_NAMES): Likewise.
3890 (QI_REGISTER_NAMES): Add 8bit extended registers.
3891 (DEBUG_REG): Support extended registers.
3892 * i386.c (regclass_map): Add extended registers.
3893 (dbx_register-map): Likewise.
3894 (svr4_dbx_register_map): Likewise.
3895 (print_reg): Support extended registers.
3896 (print_operand): Support 64bit operands.
3898 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3900 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3901 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3902 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3903 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3904 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3905 STACK_BOUNDARY): Set properly for 64bits.
3906 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3907 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3908 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3909 (MOVE_MAX): Set to 16.
3910 (MOVE_MAX_PIECES): 8 for 64bit.
3911 (Pmode): Set to SImode.
3913 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3915 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3917 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3919 * i386.h (mask_64bit): New constant.
3920 (target_64bit): New macro.
3921 (target_options): Add '64'/'32'
3922 (target_default): Define.
3923 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3924 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3925 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3927 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3929 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3931 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3933 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3934 LO_SUM unless for_alias is set.
3936 2001-03-08 Stan Shebs <shebs@apple.com>
3938 * objc/objc-act.c: Fix old typos in comments, add comments for
3940 (hash_init): Fix file name in error message.
3941 (hash_enter): Ditto.
3942 (hash_add_attr): Ditto.
3943 (continue_class): Ditto.
3945 2001-03-08 Bruce Korb <bkorb@gnu.org>
3947 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3948 wait4() can receive the signal.
3950 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3952 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3954 * fixinc/fixincl.x: Regenerate.
3956 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3958 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3960 * fixinc/fixincl.x: Regenerate.
3962 2001-03-08 Richard Henderson <rth@redhat.com>
3964 * configure.in (HAVE_AS_LEB128): New assembler check.
3965 * configure, config.in: Rebuilt.
3967 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3969 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3972 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3974 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3975 references to the MAXPATHLEN macro.
3977 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3978 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3981 * config/i386/xm-gnu.h, config/xm-gnu.h,
3982 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3983 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3984 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3985 and/or unused files.
3987 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3988 doing so in various xm-*.h files.
3990 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3992 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3994 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3996 * configure.in (enable_shared): Support per-package shared-library
3998 * configure: Rebuilt.
4000 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4002 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4003 for crnot. Set operands[5] in splitter.
4005 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4007 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
4008 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
4009 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
4010 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
4011 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
4012 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
4013 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
4016 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
4017 config/i370/xm-i370.h, config/i386/xm-dgux.h,
4018 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
4019 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
4020 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
4021 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
4022 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
4023 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
4024 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
4025 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
4026 Delete unused and/or empty files.
4028 * config.gcc: Define USG in xm_defines as appropriate. Define
4029 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
4030 macro. Remove deleted xm-* files from $xm_files variable.
4032 2001-03-07 Tom Tromey <tromey@redhat.com>
4034 * configure: Rebuilt.
4035 * configure.in: Allow config-lang.in to set `lang_requires' to list
4036 of other required languages.
4038 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4040 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4042 (output_prologue): Use xmalloc not oballoc.
4043 (output_epilog): Free a29k_first_epilogue_insn when finished.
4044 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4046 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4048 * builtins.c (expand_builtin_mathfn): Check
4049 flag_unsafe_math_optimizations, not flag_fast_math.
4050 (expand_builtin): Likewise
4051 * combine.c (combine_simplify_rtx): Likewise.
4052 (simplify_if_then_else): Likewise.
4053 * cse.c (fold_rtx): Likewise.
4054 * flags.h: Remove flag_fast_math. Add
4055 flag_unsafe_math_optimizations and flag_trapping_math.
4056 * fold-const.c (negate_expr): Check
4057 flag_unsafe_math_optimizations, not flag_fast_math.
4058 (invert_truthvalue): Likewise.
4059 (fold): Likewise. Before associating operands, check that
4060 code == MULT_EXPR, not code != MULT_EXPR.
4061 * ifcvt.c (noce_try_minmax): Check
4062 flag_unsafe_math_optimizations, not flag_fast_math.
4063 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4064 * invoke.texi: Document -funsafe-math-optimizations and
4065 -fno-trapping-math. Change documentation for -ffast-math.
4066 * jump.c (reversed_comparison_code_parts): Likewise.
4067 (rtx_equal_for_thread_p): Likewise.
4068 * optabs.c (emit_conditional_move): Likewise.
4069 * simplify-rtx.c (simplify_binary_operation): Likewise.
4070 (simplify_relational_operation): Likewise.
4071 (simplify_ternary_operation): Likewise.
4072 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4073 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4074 Add trapping-math and unsafe-math-optimizations entries to f_options.
4075 (set_fast_math_flags): New, sets flags for -ffast-math.
4076 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4077 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4078 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4080 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4081 (alpha_emit_conditional_move): Initialize local_fast_math to
4082 flag_unsafe_math_optimizations, not flat_fast_math.
4083 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4084 instead of setting flag_fast_math to 1.
4085 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4087 * config/i386/i386.c (override_options): Likewise
4088 * config/i386/i386.md: Likewise.
4089 * config/m68k/m68k.md: Likewise.
4090 * config/mips/mips.md: Likewise.
4091 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4092 (rs6000_generate_compare): Likewise.
4094 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4096 * Makefile.in: Set RANLIB to @RANLIB@.
4099 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4101 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4102 * fixinc/fixincl.x: Regenerated.
4104 2001-03-07 Richard Henderson <rth@redhat.com>
4106 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4108 2001-03-07 Richard Henderson <rth@redhat.com>
4110 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4111 of block notes and exception handling notes.
4113 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4114 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4115 (compile_file): ... here.
4117 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4119 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4121 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4122 config.h now. Include libiberty.h to handle alloca.
4124 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4126 * c-parse.in (yylexname): New function, split out of _yylex.
4127 (objc_rid_sans_at): New table.
4128 (init_reswords): Initialize it.
4129 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4130 retrieving the next token and checking it for significance as
4131 an ObjC keyword or string constant.
4133 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4134 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4136 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4139 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4141 * config/m68k/m68k.c (const_uint32_operand): Accept any
4142 const_int on a 32-bit host.
4144 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4146 * objc/objc-act.c (init_objc): Set save_lang_status,
4147 restore_lang_status, and mark_lang_status.
4149 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4151 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4153 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4155 * cppinternals.texi: Update.
4157 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4159 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4160 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4161 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4162 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4163 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4164 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4165 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4166 config/i386/xm-i386.h, config/i860/xm-i860.h,
4167 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4168 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4169 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4170 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4171 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4172 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4173 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4174 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4175 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4176 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4177 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4178 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4179 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4180 match the defaults provided in hwint.h.
4182 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4183 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4185 * config.gcc (xm_file): Don't set to files which are deleted.
4187 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4188 guard this file against these macros being undefined.
4190 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4192 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4193 and DECL_DEFER_OUTPUT on the decl we create, before calling
4194 rest_of_decl_compilation.
4196 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4198 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4200 * configure, config.in: Regenerate.
4201 * config.gcc: Remove references to deleted files.
4203 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4204 genrecog.c, rtl.c: Do not use alloca anywhere.
4206 * Makefile.in, build-make, system.h, config/x-interix,
4207 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4208 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4209 config/arc/xm-arc.h, config/arm/xm-arm.h,
4210 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4211 config/h8300/xm-h8300.h, config/i370/x-oe,
4212 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4213 config/i386/x-ncr3000, config/i386/x-sco5,
4214 config/i386/xm-dgux.h, config/i860/x-sysv4,
4215 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4216 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4217 config/m68k/x-hp320g, config/m69k/x-mot3300,
4218 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4219 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4220 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4221 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4222 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4223 config/mips/x-iris, config/mips/x-iris3,
4224 config/mips/x-sni-svr4, config/mips/x-sysv,
4225 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4226 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4227 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4228 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4229 config/pa/xm-papro.h, config/romp/xm-romp.h,
4230 config/rs6000/x-aix31, config/rs6000/x-aix41,
4231 config/rs6000/x-beos, config/rs6000/x-lynx,
4232 config/rs6000/x-mach, config/rs6000/x-rs6000,
4233 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4234 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4235 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4236 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4237 config/vax/xm-vms.h: Eradicate all references to alloca and
4240 * config/xm-alloca.h, config/clipper/x-clix,
4241 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4242 config/i860/x-sysv3, config/m88k/x-sysv3,
4243 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4244 (contained only alloca related hacks).
4246 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4249 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4251 * invoke.texi: Document __FAST_MATH__.
4253 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4255 * crtstuff.c: Restore include of auto-host.h.
4257 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4259 Put main() in a separate file, so that the language
4260 front-end can use a different main().
4263 * toplev.c: (main): Rename as toplev_main.
4264 * toplev.h: Declare toplev_main.
4265 * Makefile.in (OBJS): add toplev.o.
4266 (BACKEND): remove toplev.o, add main.o.
4268 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4270 * cppfiles.c (search_from): Special case the empty string.
4272 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4274 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4275 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4276 strlen or strcpy; we already know the length.
4277 (_cpp_compare_file_date): Similarly.
4278 * cpphash.h (struct cpp_reader): Delete done_initialising.
4279 (CPP_PREV_BUFFER): Delete.
4280 * cppinit.c (cpp_start_read): Don't set done_initialising.
4281 * cpplex.c (parse_string): Guarantee null-termination.
4282 (_cpp_equiv_toklists): Remove.
4283 * cpplib.c (glue_header_name): Null-terminate.
4284 (do_line): Don't leak memory.
4285 * cpplib.h (BT_WEAK): Delete.
4286 * cppmain.c (cb_ident): Strings are now null-terminated.
4288 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4290 * gcc.c (convert_filename): Append executable suffix
4291 if NO_AUTO_EXE_SUFFIX is not defined.
4292 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4293 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4295 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4297 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4298 * c-parse.gperf, c-gperf.h: Delete.
4299 (c-gperf.h was accidently re-added to the CVS repo in the rev
4300 1.16 commit by tromey)
4302 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4304 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4305 macro arguments when looking for the '('.
4306 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4307 2 when really parsing arguments; 1 when looking for '('.
4308 Always restore the lexer position.
4310 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4312 * longlong.h (umul_ppmm): Don't use a multiline string.
4314 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4316 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4317 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4318 t_bool in declaration because pcc can't combine volatile with typedef
4321 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4323 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4324 until when it is really needed.
4325 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4326 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4327 * i386.md (float?i?f splitter): Don't force source operand to memory
4329 (sse_movdfcc): Fix constraint.
4330 (sse_movdfcc splitter): Handle properly the second alternative.
4332 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4334 * cpplex.c (parse_string): Unconditionally pedwarn.
4336 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4339 * cppexp.c (parse_number): Update.
4340 * cpplex.c (parse_string): Pedwarn if multiline string does not
4341 result from a system header's macro.
4342 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4343 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4344 for function-like macros too.
4345 * c-lex.c (lex_number): Update.
4347 2001-03-03 Richard Henderson <rth@redhat.com>
4349 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4351 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4353 * combine.c (try_combine): If split with mode-changed scratch
4354 register didn't work, try the original mode.
4356 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4358 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4359 * config/c4x/c4x.h: Likewise.
4360 * stor-layout.c (compute_record_mode): Likewise.
4361 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4363 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4365 * configure.in: Kill tm.h. Include the files in the $tm_file
4366 list in all three of config.h, hconfig.h, tconfig.h, after the
4367 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4368 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4369 * configure: Regenerate.
4370 * Makefile.in (clean): Don't delete tm.h.
4372 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4373 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4374 those are not defined, set SEC and FEC to 0 and 1.
4375 * gcc.texi: Update to match.
4377 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4378 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4379 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4380 Include tconfig.h, not tm.h.
4382 * config/xm-lynx.h, config/xm-std32.h,
4383 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4384 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4385 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4386 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4387 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4388 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4389 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4390 config/i386/xm-i386.h, config/i860/xm-i860.h,
4391 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4392 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4393 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4394 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4395 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4396 config/pa/xm-linux.h, config/pa/xm-pa.h,
4397 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4398 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4399 config/pj/xm-pj.h, config/romp/xm-romp.h,
4400 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4401 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4402 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4403 config/v850/xm-v850.h, config/vax/xm-vax.h,
4404 config/we32k/xm-we32k.h:
4406 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4408 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4409 config/i370/xm-oe.h: Don't include tm.h. Don't define
4411 * config/vax/xm-vms.h: Don't include tm.h.
4413 * config/xm-lynx.h, config/avr/xm-avr.h,
4414 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4415 Delete; made empty by above changes.
4416 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4417 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4418 Don't include config/xm-lynx.h or tm.h.
4420 * config/xm-gnu.h: Don't include fcntl.h.
4421 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4423 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4425 2001-03-02 Richard Henderson <rth@redhat.com>
4427 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4428 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4430 2001-03-02 Richard Henderson <rth@redhat.com>
4432 * Makefile.in (OBJS): Add dwarf2asm.o.
4433 * dwarf2asm.c, dwarf2asm.h: New files.
4434 * dwarf2out.c (*): Use them.
4435 (size_of_uleb128, size_of_sleb128): Remove.
4436 (output_uleb128, output_sleb128): Remove.
4437 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4438 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4439 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4440 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4441 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4442 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4443 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4444 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4445 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4446 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4447 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4448 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4449 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4450 (dwarf2out_frame_debug): Remove unused variables.
4451 (output_loc_operands): Don't abort on 8 byte constants if
4452 host integers are wide enough.
4453 (output_symbolic_ref): Remove.
4454 (size_of_die): Don't assume 4 byte host integers.
4455 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4457 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4458 something stupid with HOST_WIDE_INT to long truncation.
4459 [CONST_DOUBLE]: Likewise.
4461 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4462 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4463 * config/arm/unknown-elf.h: Likewise.
4464 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4465 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4466 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4467 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4468 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4469 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4470 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4471 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4472 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4473 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4474 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4475 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4477 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4479 * cselib.c (hash_rtx): Cast enums to unsigned int.
4481 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4483 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4484 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4486 * c-format.c (C_STD_VER): Cast to int for comparisons.
4487 (check_function_format): Cast various enums to int for &.
4488 (maybe_read_dollar_number): Likewise.
4489 (check_format_info): Likewise.
4490 (check_format_info_main): Likewise.
4491 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4492 (safe_from_p): Likewise.
4493 * varasm.c (const_hash): Cast enum to int for %.
4494 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4495 pcc enum problems with < and ++ operators.
4496 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4497 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4498 (regclass_init): Change enum class to int to iterate over reg_classes.
4499 * genrecog.c (merge_trees): Cast enums for comparison.
4500 * rtl.h (GET_CODE): Cast to enum rtx_code.
4501 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4502 (GET_MODE): Cast to enum machine_mode.
4503 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4504 (GET_NOTE_INSN_NAME): Cast enum to int.
4505 * tree.h (TREE_CODE): Cast to enum tree_code.
4506 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4507 * timevar.c (timevar_print): Change loop variable id from enum to
4509 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4510 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4511 * toplev.c (compile_file): Cast enum DFI to int.
4512 (decode_d_option): Likewise.
4514 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4516 * cppinit.c (append_include_chain): Mark "after" include file name list
4517 as a system directory.
4518 * cpp.texi: Document new behavior.
4520 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4522 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4524 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4526 * cppfiles.c (struct include_file): Update.
4527 (stack_include_file): Use search_from.
4528 (cpp_included, find_include_file): Update.
4529 (cpp_execute_include): Update. ptr->name may not be
4530 null terminated. Use the new search_from member variable
4532 (_cpp_compare_file_date): Similarly.
4533 (search_from): New function, similiar to actual_directory.
4534 (actual_directory): Delete.
4535 (remap_filename): Update. loc->name may not be null terminated.
4536 (struct file_name_list): Rename search_path. Update.
4537 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4538 search_from and dir.
4539 (struct cpp_reader): Remove actual_dirs.
4540 * cppinit.c (struct cpp_pending): Update for renamed objects.
4541 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4542 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4543 * cpplib.h (struct cpp_options): Similarly.
4545 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4547 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4548 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4549 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4550 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4551 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4552 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4553 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4554 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4555 config/i370/xm-oe.h, config/i386/xm-aix.h,
4556 config/i386/xm-i386.h, config/i386/xm-osf.h,
4557 config/i860/xm-i860.h, config/i960/xm-i960.h,
4558 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4559 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4560 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4561 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4562 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4563 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4564 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4565 config/pj/xm-pj.h, config/romp/xm-romp.h,
4566 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4567 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4568 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4569 config/v850/xm-v850.h, config/vax/xm-vax.h,
4570 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4571 Do not define TRUE or FALSE.
4573 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4574 empty by above change.
4575 * config.gcc: Remove references to these files.
4577 * configure.in: Detect stdbool.h.
4578 * configure, config.in: Regenerate.
4579 * system.h: Include stddef.h here if available.
4580 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4581 Then set up a sensible boolean type at the very end.
4583 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4584 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4586 * hash.h: Delete 'boolean' typedef and related #undefs.
4588 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4589 all uses of 'boolean' with 'bool'.
4591 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4593 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4594 * cppexp.c (lex): Cast enums for comparison.
4595 * cppinit.c (parse_option): Cast enum for comparison.
4596 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4597 (cpp_output_token): Likewise.
4598 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4599 (cpp_avoid_paste): Cast enums for minus and comparison.
4601 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4603 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4604 field to all array elements.
4606 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4608 * cpphash.h (struct cpp_reader): Add print_version field.
4609 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4610 just set print_version and other flags as appropriate.
4611 (cpp_post_options): Print version here if print_version is set.
4613 * toplev.c (exit_after_options): New flag.
4614 (independent_decode_option): Don't exit here; just set
4616 (main): Exit after calling lang_hooks.post_options if
4617 exit_after_options is true.
4619 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4620 (merge_include_chains): Adjust comment to match code.
4622 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4624 * stringpool.c (set_identifier): New function.
4625 * tree.h: Prototype it.
4627 * c-parse.in: Kill D_YES. If compiled for objc, call
4628 save_and_forget_protocol_qualifiers from init_reswords.
4629 * objc/objc-act.c (remember_protocol_qualifiers,
4630 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4631 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4633 (save_and_forget_protocol_qualifiers): New function.
4634 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4636 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4638 * c-semantics.c (prune_unused_decls): Return error_mark_node
4639 instead of (tree) 1 to stop traversing the tree chain.
4641 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4643 Fix a problem introduced by Kenner's Feb 18 change.
4644 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4645 flag_cse_skip_blocks only temporarily, not for ever.
4647 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4649 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4650 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4652 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4653 before determining its register class.
4655 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4657 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4658 from reg 4 if current_function_calls_setjmp.
4659 (gen_nop_type): New function.
4660 (ia64_emit_nops): New function.
4661 (ia64_reorg): Call it.
4662 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4664 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4665 code not to try to optimize adds with anything but a REG destination.
4667 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4668 (INSN_PRIORITY_KNOWN): New accessor macro.
4669 * haifa-sched.c (priority): Use it instead of testing priority against
4672 2001-02-28 DJ Delorie <dj@redhat.com>
4674 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4675 since that doesn't work the way gcc wants on a generic m68k.
4677 2001-02-28 Richard Henderson <rth@redhat.com>
4679 * caller-save.c (save_call_clobbered_regs): Fix typo in
4680 comparison last change.
4682 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4684 * i386.c (pentium4_cost): New.
4685 (m_PENT4): New macro.
4686 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4687 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4688 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4689 x86_memory_mismatch_stall): Add Pentium4
4690 (x86_use_q_reg, x86_use_any_reg): Kill.
4691 (override_options): Add pentium4.
4692 (incdec_operand): Return 0 for pentium4.
4693 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4694 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4695 (TARGET_PENTIUM4): Define.
4696 (enum processor_type): Add PROCESSOR_PENTIUM4.
4697 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4698 * i386.md (attribute "cpu"): Add pentium4.
4699 * invoke.texi (march): Add pentium4.
4701 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4703 * i386.md (sse_mov?fcc*): New patterns and splitters.
4704 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4705 the SSE based conditional moves.
4707 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4709 * i386.md (attribute mode): Add "TI".
4710 (movsf_1): Add pxor support; remove constant propagation splitter.
4711 (movdf_integer): Likewise.
4712 (movdf_nointeger): Likewise.
4713 (movxf constant prop splitter): Handle all modes; update for SSE.
4714 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4715 * i386.c (standard_80387_constant_p): Rewrite.
4716 (standard_sse_constant_p): New.
4717 * i386-protos.h (standard_sse_constant_p): New.
4719 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4721 * i386.md (sse_setccsf, sse_setccdf): New.
4722 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4724 * i386.c (sse_comparison_operator): Accept the supported unordered
4725 comparses; be ready for fast_math.
4726 (print_operand): Support 'D'.
4728 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4730 * jump.c (reversed_comparison_code): Kill.
4732 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4734 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4737 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4739 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4740 add missing '%' in constraints.
4742 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4744 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4745 for HOST_BITS_PER_WIDE_INT == 32 too.
4747 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4749 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4751 (insert_save, insert_restore): New parameter save_mode.
4752 (init_caller_save): Update initialization of reg_save_code
4753 and reg_restore_code.
4754 (save_call_clobbered_regs): Compute save_modes and update calls to
4755 reg_save_code and reg_restore_code.
4756 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4757 of spill; update use of reg_restore_code.
4758 (insert_save): Likewise.
4759 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4760 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4761 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4763 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4765 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4766 noce_try_store_flag_inc, noce_try_store_flag_mask,
4767 noce_try_cmove_arith):
4768 Use reversed_comparison_code instead of reverse_comparison and
4769 can_reverse_comparison_p.
4771 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4773 * jump.c (reversed_comparison_code_parts): Allow reversal of
4774 unordered compares in -ffast-math mode; reverse ordered compares
4775 for FP even w/o -ffast-math.
4777 2001-02-27 Richard Henderson <rth@redhat.com>
4779 * print-rtl.c (print_rtx) [i]: Don't print field five on
4780 NOTEs other than NOTE_INSN_DELETED_LABEL.
4782 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4784 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4785 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4787 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4789 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4790 even if walk_subtrees is 0.
4791 * c-semantics.c (prune_unused_decls): Return a non-null value to
4792 stop traversing the tree chain.
4794 2001-02-27 DJ Delorie <dj@redhat.com>
4796 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4797 register, *then* define it as the new CFA.
4799 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4801 * pa.c (override_options): Promote -fpic to -fPIC.
4802 (legitimize_pic_address): Simplify due to removal of
4803 small PIC as a code generation option.
4804 (secondary_reload_class): Similarly.
4805 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4806 (PRINT_OPERAND_ADDRESS): Similarly.
4807 * pa.md (various patterns): Similarly.
4808 (small pic lo_sum pattern): Remove.
4810 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4813 * md.texi (min, max): Document
4815 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4817 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4818 TARGET_PARTIAL_REG_DEPENDENCY.
4819 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4821 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4823 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4825 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4827 * mips.c (mips_make_temp_file): Fix thinko in last change.
4829 2001-02-26 Jason Eckhardt <jle@redhat.com>
4831 * combine.c (known_cond): Do not reverse the condition when
4832 SMAX/UMAX is being considered and the condition is for equality
4835 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4837 2001-02-26 Philip Blundell <philb@gnu.org>
4839 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4841 * config/arm/linux-elf.h: Remove historical relics related to
4842 above configurations.
4843 * config/arm/linux-oldld.h: Delete.
4844 * config/arm/linux-elf26.h: Delete.
4846 2001-02-26 Jason Merrill <jason@redhat.com>
4848 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4850 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4851 recognize a tentative definition. Lose obsolete code.
4853 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4854 variables unless necessary, either.
4856 2001-02-25 Richard Henderson <rth@redhat.com>
4858 * ifcvt.c (struct noce_if_info): Add test_bb.
4859 (noce_get_alt_condition): New.
4860 (noce_try_minmax, noce_try_abs): New.
4861 (noce_operand_ok): New.
4862 (noce_process_if_block): Use them.
4863 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4865 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4867 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4870 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4872 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4873 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4875 (mips_asm_file_end): Free temp_filename here.
4877 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4879 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4880 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4882 * config/i386/i386.md (movstrsi): Handle FAIL case.
4884 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4886 * cppinit.c (builtin_array): Update.
4887 (init_builtins): Flag builtins to warn if redefined or
4888 undefined. Define __GXX_WEAK as a normal macro.
4889 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4890 * cpplib.h (NODE_WARN): New flag.
4891 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4892 Handle __STDC__ as a builtin only on Solaris.
4893 (warn_of_redefinition): Renamed from check_macro_definition.
4894 Reverse sense of test. Always warn if NODE_WARN.
4895 (_cpp_create_definition): Use warn_of_redefinition. Flag
4896 any macro beginning with "__STDC_" to require a mandatory
4897 warning if redefined or undefined.
4899 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4901 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4902 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4903 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4904 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4905 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4906 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4907 Don't define any of:
4908 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4909 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4910 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4911 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4912 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4914 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4915 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4918 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4919 Delete now-empty file.
4921 * alpha/vms.h: Define NEED_ATEXIT here...
4922 * alpha/xm-vms.h: ...not here.
4924 * i386/cygwin.h: Don't define PARAMS.
4925 * mips/mips.c: Don't prototype mktemp. Don't define
4926 P_tmpdir. Use make_temp_file to create temporary files.
4927 Don't be clever and delete temporary files early.
4928 * config.gcc: Drop references to deleted files. Don't define
4930 * gcc.texi: Don't mention USE_PROTOTYPES.
4932 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4934 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4935 (ix86_set_move_mem_attrs_1): Likewise.
4936 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4937 * config/i386/i386.md (movstrsi): Call it.
4939 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4941 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4942 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4943 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4944 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4946 (i750a-*-*): Error here if hosting on i750a.
4947 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4949 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4950 Remove (empty modulo comments).
4952 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4953 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4954 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4955 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4956 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4957 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4959 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4960 Remove reference to winnt.h in comment.
4961 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4963 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4965 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4966 used to set another biv.
4968 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4970 * tree.h (BLOCK_DEAD): New macro.
4971 (struct tree_block): New flag, dead_flag.
4972 * print-tree.c (print_node, case 'b'): Print missing fields.
4973 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4974 * function.c (identify_blocks): Enable test for misplaced notes.
4975 (all_blocks): Skip BLOCK_DEAD blocks.
4976 * integrate.c (integrate_decl_tree): Likewise.
4978 * errors.c (internal_error, trim_filename): New functions.
4979 (fancy_abort): Call internal_error.
4980 * errors.h (internal_error, trim_filename): New declarations.
4982 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4984 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4986 (EXTRA_CONSTRAINT): Formatting changes.
4988 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4990 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4992 2001-02-23 Per Bothner <per@bothner.com>
4994 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4995 so they can be called from java/jvspec.c.
4996 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4998 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
5000 * i386.c (ix86_frame): New structure.
5001 (ix86_compute_frame_size): Kill.
5002 (ix86_compute_frame_layout): New.
5003 (ix86_save_reg): New.
5004 (ix86_can_use_return_insn_p): Use frame layout stuff.
5005 (ix86_expand_prologue): Likewise.
5006 (ix86_expand_epilogue): Likewise.
5007 (ix86_initial_elimination_offset): Likewise.
5008 (ix86_nsaved_regs): Use ix86_save_reg.
5009 (ix86_emit_save_regs): Likewise.
5011 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
5013 * flow.c (find_sub_basic_blocks): New function.
5014 (split_block): Be ready for basic block introduced by CODE_LABEL.
5015 (commit_one_edge_insertion): Call find_sub_basic_block.
5017 * flow.c (make_edges): Add edge from entry for blocks starting with
5018 label having ALTERNATE_NAME
5020 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
5022 * function.c (epilogue_done): Be ready for first basic block not
5023 containing PROLOGUE_END note.
5024 (reposition_prologue_and_epilogue_notes): Avoid placing
5025 PROLOGUE_END note between BASIC_BLOCK.
5027 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
5029 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
5031 2001-02-21 DJ Delorie <dj@redhat.com>
5033 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5034 check for current_function_has_nonlocal_goto from 1999-11-12.
5036 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5038 * diagnostic.c (trim_filename): No longer static.
5039 * toplev.h (trim_filename): Declare.
5040 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5041 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5042 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5043 (rtvec_check_failed_bounds): Likewise.
5044 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5046 * convert.c (convert_to_integer): Don't do unsigned unless result or
5047 both inputs are unsigned.
5049 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5052 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5054 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5056 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5058 * Makefile.in (resource.o): Add params.h dependence.
5059 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5060 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5061 * resource.c: Add dependence on params.h.
5062 (current_live_regs): Fix explanatory comment.
5063 (find_basic_block): Add new parameter to permit limiting search
5065 (mark_target_live_regs): Add new argument to find_basic_block call.
5066 (incr_ticks_for_insn): Likewise.
5068 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5070 * diagnostic.c (output_to_stream): Rename to
5071 output_buffer_to_stream. Loses the stream parameter.
5072 (init_output_buffer): Set diagnosic_buffer's stream.
5073 (flush_diagnostic_buffer): Adjust.
5074 (default_print_error_function): Likewise.
5075 (finish_diagnostic): Likewise.
5076 (verbatim): Likewise.
5078 * diagnostic.h (struct output_buffer): Add `stream' field.
5079 (output_buffer_attached_stream): New macro.
5081 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5083 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5084 check if either operand is divisible by C.
5085 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5086 If type is signed, consider negative numbers as well.
5088 2001-02-22 Richard Henderson <rth@redhat.com>
5090 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5091 reach .text instead of gp-relative relocs.
5092 * config/ia64/crtend.asm (.init): Likewise.
5094 2001-02-22 Andreas Jaeger <aj@suse.de>
5096 * extend.texi (C++ Attributes): Fix typo.
5098 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5100 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5101 functions, drop current_function_args_info.words test.
5102 (ia64_compute_frame_size): Mark syscall_linkage functions as
5103 using eight input registers.
5105 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5106 Bruce Korb <bkorb@gnu.org>
5108 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5109 * fixinc/README: Document how to convert sed substitutions
5110 to format style c_fix-es.
5111 * fixinc/fixincl.x: regen
5113 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5115 * gcc.c: Add comment explaining how to add a command-line option.
5116 Add title to specs language comment.
5118 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5120 * gcc.c (cc1_options): Add "-param".
5121 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5122 (option_map): Likewise.
5123 * toplev.c (display_help): Add entry for "--param".
5124 (independent_decode_option): Fix typographical error.
5126 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5127 Bernd Schmidt <bernds@redhat.com>
5128 Jan Hubicka <jh@suse.cz>
5130 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5131 (function_arg): Likewise.
5133 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5135 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5137 2001-02-21 Kazu Hirata <kazu@hxi.com>
5139 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5143 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5145 * flow.c (init_propagate_block_info): Canon address and use single_set
5146 for killing dead memory stores.
5148 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5150 * Makefile.in (reorg.o): Add params.h dependence.
5151 * params.def: Fix typographical error in comment.
5152 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5153 * params.h: Modify introductory comment.
5154 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5155 * reorg.c: Add dependence on params.h.
5156 (redundant_insn): Add parameterized throttle for search.
5157 (fill_simple_delay_slots): Add a comment explaining a variable.
5158 Move conditional out of loop, simplifying code.
5159 (fill_eager_delay_slots): Fix typographical error in comment.
5161 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5163 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5165 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5166 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5168 2001-02-21 Jason Merrill <jason@redhat.com>
5170 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5171 (struct tree_decl): Add uninlinable bitfield.
5172 * c-decl.c (duplicate_decls): Set it.
5173 * integrate.c (function_cannot_inline_p): Check it.
5175 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5176 DW_AT_MIPS_linkage_name to abstract methods.
5177 (dwarf2out_abstract_function): Emit class context before calling
5178 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5179 (gen_subprogram_die): Remove obsolete code.
5180 (gen_member_die): Don't include clones in the member list.
5181 (gen_decl_die): Emit abstract info for clone origin.
5182 * dwarfout.c (output_type): Don't include clones in the member list.
5183 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5184 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5185 DECL_ABSTRACT on a function that already has it set.
5187 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5188 (get_subprogram_die): Pass it in.
5190 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5192 * flow.c (mark_set_1): Make not_dead unsigned long. For
5193 non-pseudos, use it as a bitmask of the hard regs that
5196 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5198 * cppfiles.c: Update comments.
5199 (_cpp_read_file): Don't check for NULL filenames any more.
5200 * cppinit.c (cpp_start_read): Don't do canonicalization of
5201 in_fname and out_fname. Use the passed file name exclusively.
5202 (_cpp_handle_options): Don't treat "-" as a command line option,
5203 but as a normal filename.
5204 (_cpp_post_options): Canonicalize in_fname and out_fname.
5205 * cppmain.c (printer_init): Don't check out_fname for NULL.
5206 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5207 (init_c_lex): Update, and use "" to represent stdin to CPP.
5210 2001-02-20 Will Cohen <wcohen@redhat.com>
5212 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5213 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5214 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5217 2001-02-20 Stan Shebs <shebs@apple.com>
5219 * config/rs6000/rs6000.c (output_cbranch): Output branches
5220 on separate lines instead of using ';' to separate.
5222 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5224 * cppinit.c (set_lang): Move builtin handling to...
5225 (init_builtins): ...here.
5226 (_cpp_create_reader): Move call to set_lang.
5228 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5230 * stmt.c (expand_return): If an attempt is made to return the
5231 error_mar_node, treat the return like a return without a value.
5233 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5235 * sibcall.c (skip_copy_to_return_value): Call
5236 identify_call_return_value here, and return orig_insn if it
5237 returns zero. Hardret and softret arguments now unnecessary.
5238 (call_ends_block_p): Don't call identify_call_return_value here.
5240 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5242 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5243 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5245 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5247 * pa.c (move_operand): Accept code to load the address of a
5248 symbol out of the DLT as a valid move operand.
5249 (print_operand, case 'A'): New to handle generating a DLT
5250 reference for a LO_SUM expression.
5251 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5252 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5254 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5256 * README, cpp.texi, gcc.texi, version.c: Update version number to
5258 * cpp.1, gcov.1, gcc.1: Regenerate.
5260 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5262 * cppfiles.c (stack_include_file): Generate dependencies
5263 here, and manage include_count here too.
5264 (PRINT_THIS_DEP): Delete.
5265 (_cpp_execute_include): Do not generate dependencies here,
5266 apart from the case of a missing header. Do not manage
5268 (_cpp_read_file): Leave dependency generation to
5271 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5273 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5274 target_cpu_default. Remove dead assignment to
5277 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5279 * regclass.c (contains_reg_of_mode): Make global.
5280 (init_reg_sets): Remove contains_reg_of_mode; take into account
5281 CLASS_MAX_NREGS when looking for the proper mode.
5282 (dump_regclass): Dump only classes considered for the pseudo.
5283 (regclass): Use contains_reg_of_mode.
5285 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5287 * gcc.c (do_spec_1): 'n' for printing notices.
5288 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5290 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5292 * reg-stack.c (next_flags_user): Use current_block->end
5293 (swap_rtx_condition): Look for next user if flags don't die;
5294 give up on CALL_INSNs; use current_block->end.
5296 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5298 * sibcall.c (call_ends_block_p): New function.
5299 (optimize_sibling_and_tail_recursive_call): Use it.
5301 2001-02-18 Kazu Hirata <kazu@hxi.com>
5303 * config/h8300/h8300.md: Update copyright.
5304 (andsi3): Do not output an extra newline character.
5306 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5308 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5309 FNDECL may be unused.
5311 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5312 follow jumps after first run.
5313 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5314 it doesn't change any jumps.
5316 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5318 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5319 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5320 (mostlyclean): Corresponding changes.
5321 * rtlanal.c (hard-reg-set.h): Include.
5322 (rtx_unstable_p): Do not treat the argument pointer specially
5323 if it is not a fixed register.
5324 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5326 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5328 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5329 against last real insn in basic block.
5330 Rework to avoid gotos.
5332 * Makefile.in (gcse.o): Now includes ggc.h.
5333 * gcse.c: Include ggc.h.
5334 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5335 (try_replace_reg): Remove warning of uninitialize variable.
5336 (process_insert_insn): Call invalid_insn_p to validate insn.
5337 * recog.c (insn_invalid_p): Now global.
5338 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5339 * recog.h (insn_invalid_p): New declaration.
5341 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5343 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5344 assignments from FP constants since 'Y' output code can't handle it.
5345 (eligible_for_sibcall_delay): Likewise.
5347 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5348 Call fancy_abort directly, passing args.
5349 (print_rtl_and_abort): Now a macro, like fancy_abort.
5351 * final.c (output_operand_lossage): Use internal_error, not error.
5353 2001-02-18 Shane Nay <shane@agendacomputing.com>
5355 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5356 structure shift insns.
5358 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5360 * invoke.texi (-fsquangle): Remove documentation.
5361 (-fname-mangling-version): Likewise.
5363 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5365 * optabs.c (expand_abs): Remove reference to
5366 HAVE_contitional_arithmetic.
5367 * combine.c (simplify_set): Likewise.
5369 2001-02-18 Richard Henderson <rth@redhat.com>
5371 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5374 2001-02-18 Richard Henderson <rth@redhat.com>
5376 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5378 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5380 * reload1.c (reload_cse_simplify_set): Fix typo.
5382 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5384 * diagnostic.c (_fatal_insn): Decrement errorcount.
5386 * invoke.texi (-I): Add note avoiding use for system header files.
5388 * rtl.h (add_clobbers): Remove duplicate declaration.
5389 * recog.h (added_clobbers_hard_reg_p): New declaration.
5390 * genemit.c (struct clobber_pat): New field has_hard_reg.
5391 (gen_insn): Record if added clobbers clobber hard reg.
5392 (gen_split): Avoid unused warning if number of operands is 0.
5393 (output_added_clobbers_hard_reg_p): New function.
5396 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5398 * pa.c (hppa_expand_prologue): Simplify code storing return
5399 pointer. For large (>=8k) frames with a post_store, adjust stack
5400 pointer by 8k-64 first rather than by 64. When testing with
5401 VAL_14_BITS_P, always use the actual value rather than the value
5402 negated. Add blockage to prevent scheduling of spills before
5403 stack frame has been created.
5404 (hppa_expand_epilogue): Simplify code loading return pointer.
5405 Allow a slightly larger range for merge_sp_adjust_with_load case.
5406 When testing with VAL_14_BITS_P, always use the actual value.
5408 * pa.c (pa_adjust_insn_length): Check that block move
5409 pattern is a set before looking at operands.
5411 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5413 * fold-const.c (fold_binary_op_with_conditional_arg): New
5414 function, split out from ...
5416 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5417 conditional arms that throw exceptions.
5419 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5422 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5424 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5425 define HAVE_DECL_* to 1 to mask potential backup declarations.
5426 * configure: Regenerated.
5428 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5430 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5432 2001-02-17 Richard Henderson <rth@redhat.com>
5434 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5435 when replacing a memory load with a register.
5437 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5438 Jan Hubicka <jh@suse.cz>
5440 * recog.c (validate_replace_src_1): New.
5441 (validate_replace_src_data): Likewise.
5442 (validate_replace_src): Use note_uses.
5443 * rtl.h (note_uses): Declare.
5444 * rtlanal.c (note_uses): New.
5446 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5448 * reg-stack.c (stack_def): Make field reg unsigned.
5449 (remove_regno_note): Unsignetize parameter.
5451 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5453 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5454 shladd_operand() call.
5456 2001-02-16 Bruce Korb <bkorb@gnu.org>
5457 Rodney Brown <RodneyBrown@mynd.com>
5459 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5460 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5461 machine restrictions
5462 * fixinc/fixincl.x: regen
5464 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5466 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5468 (hash_scan_insn): Clean up calls to hash_scan_set.
5469 (compute_kill_rd): REGNO now unsigned.
5470 (try_replace_reg): Rework to use simplify_replace_rtx.
5471 (cprop_jump, cprop_cc0_jump): Likewise.
5472 (cprop_insn): Call find_reg_equal_equiv_note.
5473 Reflect changes to cprop_jump and cprop_cc0_jump.
5475 * recog.c (validate_replace_src): Replace in operands of
5476 ZERO_EXTRACT in SET_DEST.
5478 * cse.c (new_label_ref): New variable.
5479 (insert): Set it instead of recorded_label_ref.
5480 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5481 CODE_LABEL for this function, and not already in REG_LABEL note.
5483 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5485 * resource.c (mark_referenced_resources): Fix typo in introductory
5487 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5490 2001-02-16 Jason Merrill <jason@redhat.com>
5492 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5494 (gen_subprogram_die): Don't abort on seeing a second definition if
5495 the previous one was abstract. Don't replace an abstract instance
5496 in the lookup table.
5498 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5499 gen_abstract_function.
5500 * dwarf2out.h: Declare it.
5501 * toplev.c (note_outlining_of_inline_function): New fn.
5502 * toplev.h: Declare it.
5503 * integrate.c (output_inline_function): Call it.
5504 * c-decl.c (duplicate_decls): Call it when redefining an extern
5505 inline. Don't inline the new defn.
5507 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5509 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5511 * .gdbinit: Rename to gdbinit.in.
5512 * gdbinit.in: New file,
5513 * configure.in: Generate .gdbinit from gdbinit.in.
5514 * configure: Regenerated.
5515 * Makefile.in (distclean): Always remove .gdbinit.
5517 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5519 * objc/objc-act.c (start_class): Register implemented_classes with
5522 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5524 * cppfiles.c (_cpp_make_system_header): Generate a file
5527 2001-02-15 Jim Meyering <meyering@lucent.com>
5529 * Makefile.in (install-common): Don't depend on installdirs here.
5530 Instead, make each of the lang.install-common targets (e.g.,
5531 c++.install-common in cp/Make-lang.in) depend on it.
5532 (install-driver): Depend on installdirs.
5534 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5536 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5538 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5541 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5543 * invoke.texi (--param): Document.
5545 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5547 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5549 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5551 * i386.md (extendsfdf2_2): Fix constraints.
5553 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5555 * i386.md (fop_df_3 splitter): Fix operand number.
5557 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5559 * invoke.texi (-mreg-alloc): Nuke.
5560 * i386.c (ix86_reg_alloc_order, regs_allocated,
5561 order_regs_for_local_alloc): Nuke.
5562 (override_options): Kill reg_alloc code.
5563 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5564 (REG_ALLOC_ORDER): SSE goes before I387.
5565 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5566 (ix86_reg_alloc_order): Likewise.
5567 * i386-protos.h (ix86_reg_alloc_order): Kill.
5569 2001-02-14 Richard Henderson <rth@redhat.com>
5571 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5573 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5575 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5577 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5579 * i386-protos.h (ix86_memory_move_cost): Move offline.
5580 * i386.c (ix86_register_move_cost): Compute properly cost of
5581 SSE, MMX and i387 instructions.
5582 (*_cost): Add costs of SSE/MMX moves.
5583 (ix86_memory_move_cost): Move offline from ....; Likewise.
5584 * i386.h (MEMORY_MOVE_COST): .... here;
5585 (struct processor costs): Add new fields to represent costs
5588 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5590 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5591 move_cost together with Matt Kraai's fix.
5593 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5595 * Makefile.in (OBJS): Add params.o.
5597 2001-02-14 Richard Henderson <rth@redhat.com>
5598 DJ Delorie <dj@redhat.com>
5600 * jump.c (jump_optimize_1): When we delete a conditional jump
5601 preceeding a non-conditional jump to effectively the same place,
5602 make sure that the combined jump skips any clobber insns between
5605 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5607 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5609 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5611 * Makefile.in (toplev.o): Depend on params.h.
5612 (intergate.o): Likewise.
5613 (params.o): New target.
5614 * flags.h (inline_max_insns): Remove.
5615 * integrate.c: Include params.h.
5616 Use MAX_INLINE_INSNS instead of inline_max_insns.
5617 * params.c: New file.
5618 * params.h: Likewise.
5619 * params.def: Likewise.
5620 * toplev.c: Include params.h.
5621 (lang_independent_params): New variable.
5622 (decode_f_option): Use the param machinery instead of setting
5624 (independent_decode_option): Handle "--param name=value".
5625 (main): Register language-independent parameters.
5627 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5629 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5631 2001-02-14 Richard Henderson <rth@redhat.com>
5633 * regclass.c (init_reg_sets_1): Revert last two changes.
5635 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5637 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5638 (variable_size): Call put_pending_size.
5639 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5640 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5641 sizes list, put newly created SAVE_EXPR there as well.
5643 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5645 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5646 (errata_find_address_regs): load_group has only 2 entries.
5647 (errata_emit_nops): Likewise. shladd is not problematic.
5648 Clear last_group if nop was emitted.
5649 (fixup_errata): load_group has only 2 entries.
5652 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5654 * c-lex.c (lex_number): Only warn traditionally for U suffix
5655 outside system macros.
5656 * cppexp.c (parse_number): Similarly.
5657 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5658 * cppmacro.c (struct cpp_macro): New member node.
5659 (parse_args): Only warn about missing rest args if not
5661 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5662 (cpp_sys_objmacro_p): New.
5663 (_cpp_create_definition): Store the node with the macro defn.
5664 Remember if the macro is defined in a system header.
5666 2001-02-13 DJ Delorie <dj@redhat.com>
5668 * configure.in (check_languages): determine languages to check
5669 * Makefile.in (check-c++): alias for check-g++
5670 (check-f77): alias for check-g77
5671 (CHECK_TARGETS): depend on configured languages
5673 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5675 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5676 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5677 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5678 (sqrtextendsfdf2): Disable for SSE2.
5680 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5682 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5683 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5684 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5685 (sqrtextendsfdf2): Disable for SSE2.
5687 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5689 * i386.md (movsfcc_1): Support integer cmove instruction.
5690 (movdfcc_1): Likewise; new splitter.
5692 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5694 * i386.c (output_fp_compare): Support SSE.
5695 (prepare_fp_compare_args): SSE comparisons always support memory.
5696 * i386.h (TARGET_CMOVE): SSE imply cmove.
5697 * i386.md (cmp?f2): Enable for SSE too.
5698 (cmpfp_i*): Support SSE.
5700 (cmpfp_i_sse_only): New.
5701 (s*, b* fp expanters): Enable for SSE too.
5702 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5705 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5707 * regclass.c (init_reg_sets_1): Silence warning.
5709 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5711 * i386.md (sqrt?f2): Change to expander.
5712 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5714 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5716 * rtlanal.c (find_reg_equal_equiv_note): New function.
5717 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5718 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5719 * rtl.h: Add declarations for above functions.
5721 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5723 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5725 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5726 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5727 * flow.c (mark_regs_live_at_end): Likewise.
5728 (calculate_global_regs_live): Likewise.
5729 * gcse.c (compute_hash_table): Likewise.
5730 (compute_kill_rd): Likewise.
5731 * resource.c (mark_target_live_regs): Likewise.
5732 * rtl.h (INVALID_REGNUM): New macro.
5734 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5736 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5738 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5740 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5743 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5745 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5747 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5748 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5749 (fop_sf_1_sse, fop_df_1_sse): New patterns
5750 (fop_*): Disable float_extend and float patterns for SSE compilation.
5751 * i386.c (output_387_binary_op): Support SSE.
5753 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5755 * i386.md (dummy_extendsfdf2): Support SSE2
5756 (extendsfdf2): Enable if 80387 or SSE2.
5757 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5758 and no MIX_I387_SSE2
5759 (extendsfdf2_1_sse_only): New pattern.
5760 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5762 (truncdfsf2_1): Support SSE.
5763 (truncdfsf2_2): Support SSE.
5764 (truncdfsf2_2_1_sse): New pattern.
5765 (fixtruncsfsi2): Always use SSE if available.
5766 (fix_truncsfsi_sse): New pattern.
5767 (fix_truncdfsi_sse): New pattern.
5768 (floatsis?f2): Support SSE.
5769 (floatsidf2_i387): New pattern.
5770 (floatsidf2_sse): Likewise.
5772 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5774 * configure.in: Use "have_gnat" variable, not "gnat".
5775 * configure: Regenerated.
5777 * config/sparc/sparc.c (function_value): Treat all non-record
5778 aggregate types like used to treat UNION_TYPE.
5780 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5782 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5783 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5785 (MASK_MIX_SSE_I387): New.
5786 (TARGET_SSE): SSE2 imply SSE.
5787 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5788 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5789 (enum reg_class): Add new classes.
5790 (REG_CLASS_NAMES): Likewise.
5791 (REG_CLASS_CONTENTS): Likewise.
5792 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5793 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5794 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5795 (CLASS_MAX_NREGS): Use new macros.
5796 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5797 * i386.md (pushsf, movsf): Support SSE.
5798 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5799 splitters to use ANY_FP_REGNO_P.
5800 (movdf_nointeger, movdf_integer): Likewise.
5802 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5804 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5805 (try_combine): Use it.
5807 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5809 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5810 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5811 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5812 (REGISTER_MOVE_COST): Likewise.
5813 * i386-protos.h (ix86_secondary_memory_needed,
5814 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5815 * i386.c (ix86_secondary_memory_needed,
5816 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5818 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5820 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5821 (HARD_REGNO_MODE_OK): Move offline to ....
5822 * i386.c (ix86_hard_regno_mode_ok) ... here;
5823 refuse all incorrect modes.
5824 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5826 2001-02-13 Richard Henderson <rth@redhat.com>
5828 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5829 entire operator; replicate that and match_dup the operands.
5830 (cmp_ccx_arith_op_set): Likewise.
5831 (cmp_cc_arith_op_not_set): Likewise.
5832 (cmp_ccx_arith_op_not_set): Likewise.
5834 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5836 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5838 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5840 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5841 (TARGET_NO_BITFIELD_WORD): New macro.
5842 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5843 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5845 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5847 * cselib.c: New file, from simplify-rtx.c.
5848 * simplify-rtx.c: Remove cselib parts.
5849 * Makefile.in: Add cselib.o.
5851 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5853 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5854 (setup_incoming_varargs): Remove warning.
5856 * config/rs6000/rs6000.c (validate_condition_mode): When
5857 flag_fast_math, allow floating-point conditionals to be reversed.
5858 (rs6000_generate_compare): When flag_fast_math, don't generate
5859 cror operations for FP conditionals.
5861 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5863 (ASM_SPEC): Likewise.
5864 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5865 (CC1_SPEC): Likewise.
5866 (LINK_TARGET_SPEC): Likewise.
5867 (CPP_ENDIAN_SPEC): Likewise.
5868 * Makefile.in (check-consistency): New target.
5870 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5872 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5873 "return type defaults" warning for functions with return type
5875 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5876 function declarations by default rather than only when pedantic.
5878 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5880 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5883 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5885 * extend.texi (Deprecated): Deprecate new initializer lists.
5887 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5889 * mkdeps.c (deps_add_default_target): Robustify. Add
5890 basename component only.
5891 * cpp.texi (-M): Describe how default target is generated.
5892 * invoke.texi (-M): Likewise.
5894 2001-02-12 Kazu Hirata <kazu@hxi.com>
5896 * toplev.c (push_float_handler): Remove.
5897 (pop_float_handler): Remove.
5898 * toplev.h: Remove prototypes for the above functions.
5900 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5902 * c-common.c (constant_fits_type_p): New function.
5903 (convert_and_check): Use it.
5905 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5907 * Makefile.in (GXX_ABI_FLAG): Don't define.
5908 * configure.in (--enable-new-gxx-abi): Remove option.
5909 * config.in: Regenerated.
5910 * configure: Likewise.
5912 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5914 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5916 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5917 regular basic block, and arrange for all edges into it to switch
5920 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5922 * Makefile.in (distclean): Do not remove .gdbinit.
5924 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5926 * Makefile.in (gcc.o): Fix typos.
5927 (protize.o): Likewise.
5928 (unprotoize.o): Likewise.
5930 2001-02-11 Richard Henderson <rth@redhat.com>
5932 * tree.c (build1): Check for null operand in last change.
5934 2001-02-11 Richard Henderson <rth@redhat.com>
5936 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5937 (fold): Don't assume a constant isn't foldable.
5938 * tree.c (build): Set TREE_CONSTANT for an expression with no
5939 side-effects and constant operands.
5942 2001-02-10 Richard Henderson <rth@redhat.com>
5944 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5946 2001-02-10 Anthony Green <green@redhat.com>
5948 * cpp.texi (Standard Predefined): Add documentation for
5951 * c-common.c (combine_strings): Improve warning message.
5953 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5955 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5957 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5959 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5961 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5964 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5966 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5969 2001-02-09 Nick Clifton <nickc@redhat.com>
5971 * config/arm/arm.md: Change output contraint on post inc
5972 load/store multiple patterns to be a read/write contraint.
5974 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5976 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5977 .o files when using the -M options.
5979 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5980 David Edelsohn <edelsohn@gnu.org>
5982 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5983 handle DImode constants. Use one TOC entry for SImode and smaller
5984 constants, aligned properly.
5986 2001-02-08 Jason Merrill <jason@redhat.com>
5988 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5989 about the SP adjustment for saving the static chain pointer.
5990 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5991 offset when setting a temporary CFA register.
5993 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5995 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5996 powerpc-*-chorusos* .
5997 * config/rs6000/chorus.h : New file.
5998 * config/i386/chorus.h : New file.
5999 * config/sparc/chorus.h : New file.
6000 * config/sparc/t-chorus-elf : New file.
6002 2001-02-08 David Edelsohn <edelsohn@gnu.org>
6004 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
6005 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
6006 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
6007 (__WCHAR_TYPE__): Correct macro name.
6009 2001-02-08 Richard Henderson <rth@redhat.com>
6011 * config/i386/i386.c (ix86_frame_pointer_required): New.
6012 (ix86_setup_frame_addresses): New.
6013 (struct machine_funciton): Add accesses_prev_frame.
6014 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
6015 ix86_frame_pointer_required.
6016 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
6017 (SETUP_FRAME_ADDRESSES): New.
6018 * config/i386/i386-protos.h: Update.
6019 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
6020 from FRAME_POINTER_REQUIRED.
6021 * config/i386/svr3gas.h: Likewise.
6022 * config/i386/sysv3.h: Likewise.
6023 * config/i386/v3gas.h: Likewise.
6025 2001-02-08 Richard Henderson <rth@redhat.com>
6027 * config/sparc/sparc.c (function_arg_record_value_3): Fix
6028 calculation of the number of integer registers required.
6029 (function_arg_record_value): Likewise.
6031 2001-02-08 Jason Merrill <jason@redhat.com>
6033 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6034 two. Print file and line with "confused" message.
6036 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6038 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6040 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6042 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6044 * final.c (cleanup_subreg_operands): The address of a MEM can
6047 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6050 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6052 * gcc.texi (Incompatibilities): Update documentation of
6053 preprocessing numbers.
6055 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6057 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6059 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6061 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6063 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6064 * gcc.c (struct compiler): Add cpp_spec field.
6065 (input_file_compiler): New variable.
6066 (do_spec_1): Allow a particular compiler to handle `%C'
6068 (main): Store the current compiler in input_file_compiler.
6069 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6071 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6073 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6074 * cppinit.c (cpp_create_reader): Initialize them.
6075 (append_include_chain): cxx_aware arg might be unused.
6076 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6077 keywords and give them their phase 7 meaning. Pedwarn about
6078 this unless '__bool_true_false_are_defined' is defined.
6080 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6082 * lcm.c (optimize_mode_switching): Emit mode_set before the
6083 JUMP_INSN of an abnormal edge.
6085 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6087 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6088 a scheduling barrier at the end.
6090 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6092 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6094 * config/sh/sh.md (reload_outsf): Removed.
6095 (movsf_ie): Introduce constraints for FPUL loads and stores.
6096 (reload_insf): Broaden the output constraint.
6098 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6100 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6101 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6103 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6105 * final.c: Revert my previous changes.
6106 * output.h: Make profile_label_no extern.
6107 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6108 for generating label.
6110 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6112 * config/i386/djgpp.h: Add comments about standard paths.
6113 (MD_EXEC_PREFIX): Undefine before defining.
6114 (MD_STARTFILE_PREFIX): New.
6116 2001-01-30 Bruce Korb <bkorb@gnu.org>
6118 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6119 (load_file): do not rely on load_file_data() to close file pointer
6120 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6121 fixinc/inclhack.def(irix_limits_const): add test_text
6123 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6125 * cppexp.c (parse_defined): Improve diagnostics for invalid
6128 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6130 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6132 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6134 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6135 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6136 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6137 (rs6000_output_symbol_ref): New function.
6138 (output_toc): Use VTABLE_NAME_P.
6140 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6142 * print-tree.c (print_node, case PARM_DECL):
6143 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6145 * stor-layout.c (reference_types_internal): New variable.
6146 (internal_reference_types): New function.
6147 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6148 * tree.h (internal_reference_types): New declaration.
6150 * cse.c (find_best_addr): Fix typo in computing cost.
6152 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6154 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6155 and this is the sum of a pointer and a constant, we know the result
6157 (num_sign_bit_copies, case PLUS): Likewise.
6158 * explow.c (convert_memory_address): Remove opposite SUBREG.
6159 * function.c (instantiate_new_reg): New function (from common code).
6160 (instantiate_virtual_regs_1): Call it.
6161 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6162 if pointers sign- or zero-extend.
6163 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6164 If pointers extend unsigned, use inside of SUBREG.
6165 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6167 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6169 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6170 subdir of gcc_gxx_include_dir.
6171 (gcc_gxx_target_include_dir): Remove.
6173 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6175 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6176 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6177 a high-level description.
6179 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6181 * final.c: Move the declaration of profile_label_no to ...
6182 * output.h: ... here.
6183 * function.c (expand_function_start): Call PROFILE_HOOK.
6184 * config/rs6000/aix.h: Define PROFILE_HOOK.
6185 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6186 * config/rs6000/rs6000.c (output_profile_hook): Define.
6187 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6188 output_profile_hook.
6189 tm.texi : Explain new macro PROFILE_HOOK.
6191 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6193 * extend.texi (Extended Asm): Do not say that semicolon is always
6194 a valid line-breaking character for GNU assemblers. Use
6195 newline-tab as the most commonly supported syntax. Use
6196 newline-tab rather than semicolon in multi-insn examples.
6198 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6200 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6202 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6203 David Edelsohn <edelsohn@gnu.org>
6205 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6206 code for AIX, even without flag_pic.
6208 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6210 * c-typeck.c (common_type): push and pop binding level around
6211 calling common_type on function parameters.
6213 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6215 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6217 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6219 * config/mips/mips.c (override_options): Fix typo in last change.
6220 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6221 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6223 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6225 * invoke.texi (-fdump-class-layout): Document.
6226 (-fdump-translation-unit): Use `=' as filename separator.
6228 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6230 * Makefile.in (s-mlib): Don't build multilibs if
6232 (DRIVER_DEFINES): Adjust accordingly.
6234 (protoize.o): Likewise.
6235 (unprotoize.o): Likewise.
6236 * configure.in: Recognize --enable-multilib.
6238 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6240 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6242 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6243 * configure.in: Remove --enable-libstdcxx_v3 support.
6244 * configure: Regenerated.
6246 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6248 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6249 Call abort instead of fatal.
6250 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6251 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6252 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6253 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6254 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6255 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6257 * diagnostic.h (set_internal_error_function): Renamed.
6258 * toplev.h (internal_error): Renamed from fatal.
6259 (pfatal_with_name): Deleted.
6260 (fatal_io_error): Now has printf-style arguments.
6261 * diagnostic.c (pfatal_with_name): Deleted.
6262 (fatal_io_error): Rework to have args in printf-style.
6263 (set_internal_error_function): Renamed from set_fatal_function.
6264 (internal_error): Renamed from fatal.
6265 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6266 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6267 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6268 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6269 * flow.c (verify_flow_info): Likewise.
6270 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6271 * config/mips/mips.c (save_restore_insns): Likewise.
6273 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6274 * flow.c (verify_flow_info): Likewise.
6275 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6276 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6277 (avr_normalize_condition): Likewise.
6278 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6279 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6280 (limit_reload_class, double_reg_to_memory): Likewise.
6281 (print_operand_address, emit_1600_code_shift): Likewise.
6282 (gen_tst_reg, gen_compare_reg): Likewise.
6283 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6284 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6286 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6288 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6289 * objc/objc-act.c (build_ivar_chain): Likewise.
6290 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6292 * graph.c (clean_graph_dump_file): Likewise.
6293 * profile.c (init_branch_prob): Likewise.
6294 * objc/objc-act.c (objc_init): Likewise.
6296 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6297 * config/avr/avr.c (avr_override_options): Likewise.
6298 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6299 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6300 * config/h8300/h8300.c (h8300_init_once): Likewise.
6301 * config/mips/mips.c (override_options): Likewise.
6302 * config/i386/i386.c (override_options): Likewise, rework.
6303 * config/m68k/m68k.c (override_options): Likewise.
6305 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6307 * config/mips/mips.c (print_operand): Likewise.
6308 * hash.c (hash_allocate): Don't check for failure returns from
6309 obstack functions that can't fail.
6310 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6311 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6312 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6313 (get_object_reference): Likewise.
6315 2001-02-04 Nick Clifton <nickc@redhat.com>
6317 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6318 StrongARM1110, 10TDMI, and 1020T.
6320 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6322 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6324 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6326 * config/sh/sh.md (movdf load split): Pass register number to
6327 FP_OR_XD_REGISTER_P.
6329 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6331 * cppinit.c (BC): New macro.
6332 (builtin_array): Add __GXX_WEAK__.
6333 * cpplib.h (builtin_type): Add BT_WEAK.
6334 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6335 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6336 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6338 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6340 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6342 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6344 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6345 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6347 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6349 * cpphash.h: Rename ALIGN _ALIGN.
6350 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6352 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6354 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6355 compilation environment.
6356 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6357 control over location of cygwin includes and libs.
6359 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6361 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6363 2001-02-02 lars brinkhoff <lars@nocrew.org>
6365 * md.texi (Standard Names): remove reference to spur.md.
6367 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6369 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6370 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6371 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6372 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6373 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6375 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6377 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6378 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6379 number before reload.
6380 (c4x_adjust_cost): Return zero before reload.
6381 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6382 split before reload.
6384 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6386 * c4x.c (c4x_hard_regno_rename_ok): New.
6387 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6388 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6390 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6392 * diagnostic.h: Add missing "extern" in all declarations.
6394 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6396 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6397 as for gcc_gxx_include_dir.
6399 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6401 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6403 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6405 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6406 label before alignment to be used as the braf base address.
6407 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6409 (casesi_jump_2): Require at least TARGET_SH2.
6411 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6412 truncation to 32-bit doubles on -m3e and -m4-single-only.
6414 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6416 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6417 the default when building a shared object.
6418 (init_spec): Use it.
6419 * testsuite/lib/g++.exp: Include the directory where libgcc
6420 is located to the LD_LIBRARY_PATH list.
6421 * invoke.texi (-shared-libgcc): Document the cases in which
6422 GCC defaults to using the shared libgcc.
6424 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6426 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6427 unsigned is wide enough.
6429 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6430 (si_to_float): Likewise.
6431 (float_to_si, float_to_usi): Use BITS_PER_SI.
6433 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6435 * dwarf2out.c: Added explanation of abbreviations.
6436 (def_cfa_1): Added comments listing DWARF2 instructions.
6437 (cfa_temp_reg): Removed in favor of cfa_temp.
6438 (cfa_temp_value): Removed in favor of cfa_temp.
6439 (cfa_temp): New global variable.
6440 (dwarf2out_frame_debug_expr): Added extensive introductory
6441 comments explaining the function's transformations. Revised to
6442 use cfa_temp. Added some rtx checking. Generalize IOR case.
6443 (dwarf2out_frame_debug): Revised to use cfa_temp.
6444 (output_aranges): Cast as "unsigned" to avoid warning.
6445 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6446 explain which instructions must be marked.
6448 2001-02-01 Richard Henderson <rth@redhat.com>
6450 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6453 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6455 * config/sh/crt1.asm (main_k): Modified so that start calls
6456 ___setup_argv_and_call_main.
6458 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6460 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6461 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6462 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6463 * cppmacro.c (builtin_macro): Set builtin flags here.
6464 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6465 (replace_args): Clarify intent.
6466 (cpp_get_token): Macro expansion tokens get the saved flags.
6468 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6471 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6473 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6476 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6478 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6479 returns Pmode pseudo, but we need ptr_mode.
6480 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6481 Remove bogus conversions; use HOST_WIDE_INT for size.
6482 Don't use TARGET if wrong mode.
6484 * config/i386/i386.c (ix86_compute_frame_size): Allow
6485 stack_alignment_needed to be non-default even if size is zero.
6487 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6489 * pa.c (hppa_init_pic_save): New function.
6490 * pa.h (hppa_init_pic_save): Declare.
6491 * pa.md (call, call_value, sibcall, sibcall_value): Use
6492 the above instead of duplicated code.
6494 * pa.c (hppa_encode_label): Correct size of alloca buffer
6495 so we don't overrun it. Correct leading `*' case.
6496 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6497 need to handle `*@'.
6498 (FUNCTION_NAME_P): Likewise.
6500 2001-01-31 Richard Henderson <rth@redhat.com>
6502 * config.gcc (alpha-osf5): Use float-i128.h.
6504 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6505 * config/float-i32.h: Likewise.
6506 * config/float-i64.h: Likewise.
6507 * config/float-sh.h: Likewise.
6508 * config/float-sparc.h: Likewise.
6510 2001-01-31 DJ Delorie <dj@redhat.com>
6512 * expmed.c (extract_bit_field): allow non-integral modes if we
6513 want to extract a whole register from itself.
6515 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6517 * c-typeck.c (set_init_index): If first is equal to last, assume as
6518 if it was not a range at all.
6520 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6522 * config/fp-bit.c: Include tm.h.
6523 (float_to_si): Don't assume SImode is 32-bits wide.
6524 (float_to_usi): Likewise.
6526 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6528 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6530 (typename): Call pending_xref_error after parsing typed_typespecs.
6531 * c-decl.c (lookup_tag): Give error immediately rather than
6532 leaving it pending if the tag of the wrong type is in the same
6534 (xref_tag): Don't pedwarn for forward declarations of enum types
6536 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6539 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6541 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6543 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6545 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6546 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6548 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6550 * cpphash.h (struct cpp_reader): New saved_flags.
6551 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6552 to avoid a paste after a pasted token.
6554 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6556 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6557 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6558 Wtype_MIN instead of LONG_MIN.
6560 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6562 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6564 * fixinc/fixincl.x: Regenerated.
6565 * fixinc/inclhack.def (irix_limits_const): New definition to
6566 convert "const" to "__const" in limits.h.
6568 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6570 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6572 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6574 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6575 when register dies in the insn.
6577 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6579 * diagnostic.c (fatal): Fix word wrap.
6581 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6583 * combine.c (try_combine): Fix SUBREG setting for
6584 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6586 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6588 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6591 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6593 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6595 * toplev.c (decode_W_option): Update warn_larger_than
6596 unconditionally for each processed switch.
6598 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6600 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6602 (hppa_expand_prologue): Delete code to save pic offset table register
6603 in the function prologue.
6604 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6605 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6606 table register at the beginning of the function after the prologue.
6608 2001-01-29 lars brinkhoff <lars@nocrew.org>
6610 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6612 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6613 Jeff Law <law@redhat.com>
6615 * pa.md (return): Revise comment for trivial return.
6616 (return_internal): Non-trivial return pattern for non-PIC code.
6617 (return_internal_pic): Non-trivial return pattern for PIC code.
6618 It uses the PIC register to ensure it is restored after
6620 (epilogue): Generate appropriate return for PIC and non-PIC code.
6622 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6624 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6626 2001-01-29 DJ Delorie <dj@redhat.com>
6628 * combine.c (if_then_else_cond): Pass the correct mode to
6629 operand_subword() for constants.
6631 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6633 * config/i386/cygwin.h: Add w32api to include search. Search different
6634 directories in a cross-build environment.
6636 2001-11-29 Tim Josling <tej@melbpc.org.au>
6638 * tree.h (TYPE_STUB_DECL): Add documentation.
6640 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6642 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6643 (sdbout_field_types): Likwise. Fix use of host_integerp.
6645 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6647 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6650 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6652 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6653 to use flag_gnu_linker.
6655 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6657 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6658 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6660 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6662 * tree.c, tree.h (build_parse_node): Remove; was identical to
6664 * c-lang.c (start_cdtor), objc/objc-act.c
6665 (build_module_descriptor): Use build_nt instead of
6668 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6670 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6671 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6672 not have any upper bits set.
6674 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6676 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6678 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6680 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6682 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6684 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6685 (integer_minus_one_node): Define.
6687 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6689 * Makefile.in (bootstrap2-lean): Fix typo.
6691 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6693 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6694 : Don't set fe_value.
6695 * cpplib.h (AVOID_LPASTE): New flag.
6696 (struct cpp_hashnode): Remove fe_value.
6697 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6698 * cppmacro.c (builtin_macro): Don't set flags here.
6699 (replace_args): Set AVOID_LPASTE flag on first token of an
6700 argument, and the token following it.
6701 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6702 macro expansion, and on the token following it. Do it for
6704 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6706 2001-01-27 Richard Henderson <rth@redhat.com>
6708 * config/alpha/t-ieee: Remove multilibbing.
6709 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6711 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6713 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6715 * Makefile.in: Remove all dependencies on defaults.h.
6716 * builtins.c: Don't include defaults.h.
6717 * c-common.c: Likewise.
6718 * c-decl.c: Likewise.
6719 * c-pragma.c: Likewise.
6720 * c-typeck.c: Likewise.
6721 * combine.c: Likewise.
6723 * frame-ia64.c: Likewise.
6724 * cppexp.c: Likewise.
6725 * crtstuff.c: Likewise.
6726 * dbxout.c: Likewise.
6727 * dwarf2out.c: Likewise.
6728 * dwarfout.c: Likewise.
6729 * emit-rtl.c: Likewise.
6730 * except.c: Likewise.
6732 * final.c: Likewise.
6733 * frame-dwarf2.c: Likewise.
6734 * libgcc2.c: Likewise.
6735 * optabs.c: Likewise.
6736 * profile.c: Likewise.
6737 * sdbout.c: Likewise.
6738 * toplev.c: Likewise.
6739 * tradcif.y: Likewise.
6741 * varasm.c: Likewise.
6743 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6745 * builtins.c (expand_builtin_fputs): Use size_one_node when
6746 transforming into fwrite.
6748 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6750 * extend.texi (Attribute Syntax): New section.
6752 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6754 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6755 they didn't need fixing.
6757 2001-01-27 Janis Johnson <janis@us.ibm.com>
6759 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6761 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6762 to remove macro definitions that are duplicated from elfos.h.
6764 2001-01-27 Richard Henderson <rth@redhat.com>
6766 * config/i386/sco5gas.h: Move ...
6767 * config/usegas.h: ... here.
6768 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6770 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6772 * c-typeck.c (struct constructor_stack): Add range_stack member.
6773 (really_start_incremental_init): Clear it.
6774 (push_init_level): Save constructor_range_stack and clear it if
6775 pushing explicit braces.
6776 (pop_init_level): abort if constructor_range_stack is non-zero at
6777 explicit closing brace. Restore saved constructor_range_stack if
6780 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6782 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6783 into register was forced into memory.
6785 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6787 * Makefile.in: Remove uses of + before $(MAKE).
6789 2001-01-26 Richard Henderson <rth@redhat.com>
6791 * stmt.c (cost_table): Remove.
6792 (COST_TABLE, cost_table_initialized): New.
6793 (estimate_case_costs): Use the later instead of the former.
6794 (balance_case_nodes): Likewise.
6796 2001-01-26 Richard Henderson <rth@redhat.com>
6798 * alias.c (objects_must_conflict_p): Read-only slots may not
6799 conflict despite having the same type.
6801 2001-01-27 Michael Hayes <mhayes@redhat.com>
6803 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6805 (check_ext_dependant_givs): Initialise u_start_val and
6807 (load_mems): Make last_max_reg unsigned.
6808 (try_swap_copy_prop): Use INSN_P and initialise set.
6810 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6812 * README.AVR : Removed.
6814 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6816 * pa-64.h (text_section): Remove declaration.
6818 * pa.md (return_internal): Remove mode on PIC register use.
6820 2001-01-25 lars brinkhoff <lars@nocrew.org>
6822 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6823 ASM_CLOSE_PAREN): fix typos.
6825 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6827 * acconfig.h: Define `const' to the empty string if neither
6828 __STDC__ nor __cplusplus is defined.
6829 * config.in: Regenerated.
6831 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6833 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6834 * collect2.c (main): Delete importf. Add ".obj" file extension.
6835 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6836 (aix_std_libs): Add additional AIX libraries to skip.
6837 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6838 * config/rs6000/aix51.h: New file.
6840 2001-01-25 Michael Hayes <mhayes@redhat.com>
6842 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6843 (loop_insn_emit_before): No longer static.
6844 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6845 (loop_givs_rescan, load_mems): Likewise.
6846 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6847 (maybe_eliminate_biv_1):
6848 (move_movables): Replace emit_call_insn_before with
6849 loop_call_insn_hoist.
6850 * loop.h (loop_insn_emit_before): Add.
6851 * unroll.c (copy_loop_body): Replace emit_insn_before with
6852 loop_insn_emit_before.
6854 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6856 * diagnostic.c (fatal): Request preprocessed source.
6858 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6860 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6861 olddecl has argument types and newdecl has none, use the argument
6864 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6866 * dwarf2out.c (prefix_of): New function. Determine longest common
6867 prefix of the two arguments. The units are whole path components.
6868 (output_file_names): When adding a new directory find the one entry
6869 with the longest common prefix already in the list. Artificially
6870 generate entry if there is none for this prefix.
6871 Fix test to check whether the zeroth directory entry is used.
6873 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6875 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6876 Changed all callers. Take it into account when deciding if a
6877 previously loaded value matches.
6879 2001-01-24 Richard Henderson <rth@redhat.com>
6881 * reload.c (find_reloads_subreg_address): Fail the substitution
6882 if the resulting address is insufficiently aligned.
6884 2001-01-24 DJ Delorie <dj@redhat.com>
6886 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6887 check the original operand's mode also.
6888 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6890 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6892 * c-parse.in (cast_expr): Move compound literals from here ...
6893 (primary): ... to here. Use standard terminology "compound
6894 literal" instead of "constructor expression".
6896 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6898 * gcc.1, cpp.1: Regenerate.
6900 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6902 * calls.c (emit_library_call_value_1): Memory slot for
6903 pass-by-reference argument should have the mode of the argument,
6904 not of the pointer to it.
6906 2001-01-24 Tom Tromey <tromey@redhat.com>
6908 * gcc.texi (G++ and GCC): Mention gcj manual.
6909 (Standards): Link to section of manual mentioning gcj/Java
6912 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6914 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6915 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6916 * tradcpp.c (main): Add -imacros or -include'd dependencies
6918 * cpp.texi (-M, -MM): Document -M -include behaviour.
6920 2001-01-24 Roger Collins <roger@ProProject.com>
6922 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6924 2001-01-24 Will Cohen <wcohen@redhat.com>
6926 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6927 whether registers are 32 bits or 64 bits in size.
6929 2001-01-24 Ben Elliston <bje@redhat.com>
6931 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6933 2001-01-24 Richard Henderson <rth@redhat.com>
6935 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6936 (builtin_longjmp): Use it instead of emit_indirect_jump.
6938 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6940 * bb-reorder.c (make_reorder_chain_1): Handle case where
6941 jump edge goes to the same block as the fallthru edge.
6943 2001-01-23 Jim Wilson <wilson@redhat.com>
6945 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6946 * frame.h (__ia64_personality_v1): Add prototype.
6947 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6948 prototype form. Add void * cast to first argument to personality
6950 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6951 (asctoe113): Likewise.
6952 * config/ia64/frame-ia64.c: Include eh-common.h.
6953 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6955 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6957 (itanium_split_issue): Add prototype.
6958 (gen_nop_type): Ifdef out.
6959 (find_best_packet): Initialize best_packet.
6960 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6962 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6963 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6964 (flushrs): Add explicit stop bit at end.
6965 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6968 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6970 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6972 * libgcc2.c (__terminate_func): Make variable static.
6973 (__terminate_set_func): New function to set __terminate_func.
6974 * libgcc2.h (__terminate_func_ptr): New typedef.
6975 (__terminate_set_func): New function.
6977 2001-01-23 Richard Henderson <rth@redhat.com>
6979 * flow.c (init_propagate_block_info): Don't consider unchanging
6980 memories for dead frame store elimination.
6982 2001-01-23 Richard Henderson <rth@redhat.com>
6984 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6985 * defaults.h: ... here.
6987 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6989 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6991 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6993 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6995 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6997 * rs6000.h (rs6000_return_addr): Move prototype from here...
6998 * rs6000-protos.h (rs6000_return_addr): ...to here.
6999 (rs6000_init_expanders): Delete prototype.
7001 2001-01-23 Nick Clifton <nickc@redhat.com>
7003 * invoke.texi: Replace , with \, inside @gccoptlist macros.
7004 (Spec Files): Document %B and %j and %. and %v3 and %M and
7005 %{S*&T} spec switches.
7007 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7009 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
7011 2001-01-23 Chris Demetriou <cgd@sibyte.com>
7012 Neil Booth <neil@daikokuya.demon.co.uk>
7014 * cpperror.c: Merge handlers of PEDWARN and WARNING.
7015 Have -Werror make pedantic warnings errors, like the
7018 2001-01-23 Phil Edwards <pme@sources.redhat.com>
7020 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
7022 2001-01-23 Jakub Jelinek <jakub@redhat.com>
7024 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
7025 * integrate.c (expand_inline_function): Initialize them.
7026 (subst_constants): If changing COMPARE so that both its arguments
7027 will be VOIDmode and the comparison mode will be lost, note
7028 compare_mode. Use the recorded compare_mode to optimize
7031 2001-01-23 Jason Merrill <jason@redhat.com>
7033 * dwarf2out.c (new_die): Use xcalloc.
7034 (output_die): Abort rather than emit a local reference to offset 0.
7036 2001-01-17 Andrew Haley <aph@redhat.com>
7038 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7039 of a saved register; return NULL instead.
7040 (copy_reg): Take a pointer to a source register rather than a
7042 (next_stack_level): Remember the address in the stack frame of all
7044 Use the saved register pointer array as the source of the CFA.
7045 (throw_helper): Rewrite. Unwind once rather than twice and keep
7046 track of saved registers as we go.
7048 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7050 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7051 * c4x.c (c4x_legitimize_reload_address): Remove.
7052 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7053 reload address for ldp(k) insn.
7055 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7057 * pa.md (return_internal): Add a USE of the PIC register to ensure
7058 it is restored after each call.
7059 (return expander): Corresponding changes.
7061 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7063 * rs6000.h (INIT_EXPANDERS): Delete.
7064 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7065 * rs6000.c (rs6000_override_options): Call *_machine_status from
7067 (rs6000_init_expanders): ...instead of here. Delete.
7068 (rs6000_mark_machine_status): New function.
7069 (rs6000_init_machine_status): Use xcalloc.
7070 (rs6000_return_addr): Generate RTX for the return address.
7071 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7072 (rs6000_stack_info): Use it.
7074 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7076 * gthr-win32.h: Include errno.h to get a declaration for
7077 EINVAL and _mingw.h if the target is mingw32.
7079 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7081 * cpp.texi: Correct typos.
7083 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7085 * explow.c (probe_stack_range): Ensure value passed to
7086 stack_check_libfunc is ptr_mode, not Pmode.
7088 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7090 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7091 case, don't use operand_subword to calculate a SUBREG that is
7094 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7096 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7098 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7099 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7100 valid. If not replace it by equivalent insns.
7102 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7104 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7105 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7106 (c4x_U_constraint, symbolic_address_operand): Likewise.
7107 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7109 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7110 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7111 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7112 anulling slot because of silicon bug.
7113 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7115 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7117 * cppexp.c (parse_charconst): Change `mask' type to agree
7120 2001-01-21 Richard Henderson <rth@redhat.com>
7122 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7123 pic_label_name in a linkonce section.
7125 2001-01-17 Philipp Thomas <pthomas@suse.de>
7127 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7129 * configure: Regenerate.
7131 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7133 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7134 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7136 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7138 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7139 If REVERSE nonzero then condition code in X must be reversed.
7140 (encode_section_info): Optimise if/else.
7141 (avr_function_value): Fix formatting.
7143 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7144 (difficult_branch): Likewise.
7145 (rvbranch): Likewise.
7146 (difficult_rvbranch): Likewise.
7148 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7150 * config/avr/libgcc.S: Fix comment.
7152 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7154 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7156 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7158 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7160 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7162 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7163 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7164 * configure, config.in: Regenerate.
7165 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7166 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7167 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7168 (doprint.o): New rule.
7170 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7172 * c-typeck.c (digest_init): Handle boolean types as scalars.
7174 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7176 * stmt.c (expand_return): Don't return anything if size is zero.
7177 Delete redundant assignment to BYTES.
7178 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7180 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7182 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7183 the same as the default library function names.
7184 * config/avr/avr.md: Document special characters after '%'.
7185 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7186 knowing which of the call-used registers are really clobbered.
7187 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7188 New. Both quotient and remainder from one libgcc.S call.
7189 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7190 clobber as few registers as possible.
7191 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7193 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7195 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7196 context of the top of the stack.
7198 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7200 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7201 (fixup_var_refs_insns): ...here.
7203 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7205 * function.c (fixup_var_refs_insns): Break up into
7206 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7207 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7208 [loop over hash table entries].
7209 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7210 fixup_var_refs_insns_with_hash, to match above changes.
7212 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7214 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7215 (libgcc.a): Likewise.
7216 (stmp-multilib): Likewise.
7217 (STAGE2_FLAGS_TO_PASS): Likewise.
7219 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7221 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7222 temporary if no_new_pseudos.
7224 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7226 * cppinternals.texi: Update.
7228 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7230 * arm.c (arm_init_builtins): Re-enable builtins.
7232 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7234 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7235 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7236 element to be null, and always expect an EXPR_LIST.
7237 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7238 * sched-deps.c (sched_analyze_1): Likewise.
7239 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7241 * regclass.c (max_set_parallel): New variable.
7242 (reg_scan): Take it into account in computation of max_parallel.
7243 (reg_scan_mark_refs, case SET): Compute it.
7245 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7247 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7248 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7250 2001-01-19 Jason Merrill <jason@redhat.com>
7252 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7253 for the abstract instance of an inline function.
7255 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7256 J"orn Rennecke <amylaar@redhat.com>
7258 * reload1.c (move2add_note_store): Treat all registers directly or
7259 indirectly derived from a base register as members of the same set
7261 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7262 of base register into account.
7264 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7266 * alias.c (find_base_value): Recognize TRUNCATE.
7267 (record_set): In PLUS case, invalidate if other summand is also a
7270 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7272 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7273 entry to be EXPR_LIST.
7274 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7275 be an EXPR_LIST (but not null, which other code doesn't allow).
7276 (note_stores): Properly handle PARALLEL in SET.
7277 Recursively call for top-level PARALLEL.
7278 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7279 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7281 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7283 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7285 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7286 not pfile->skipping (== 0).
7288 2001-01-17 Nick Clifton <nickc@redhat.com>
7290 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7293 2001-01-17 Jim Wilson <wilson@redhat.com>
7295 * invoke.texi (IA-64 options): Improve.
7297 2001-01-17 Tom Tromey <tromey@redhat.com>
7299 * invoke.texi (Optimize Options): Use `{}' to around @samp
7302 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7304 * invoke.texi (-fno-guess-branch-probability): New option.
7306 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7308 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7309 case of making new double-word constant.
7310 Revert last change: instead just test i3_subst_into_i2.
7312 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7314 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7315 Use q constraints instead of r.
7317 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7319 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7320 (machine_function): Define.
7321 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7322 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7323 pa_free_machine_status): New functions.
7324 (override_options): Set {init,mark,free}_machine_status to above.
7325 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7326 PIC_OFFSET_TABLE_REGNUM_SAVED.
7327 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7328 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7329 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7330 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7331 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7333 2001-01-15 DJ Delorie <dj@redhat.com>
7335 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7339 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7341 * flow.c (propagate_on_insn): Make trying to delete a prologue
7342 or epilogue insn an ICE, not a warning. Allow doing this if
7343 the current function returns with stack pointer depressed.
7345 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7346 I3 having more than one SET.
7348 2001-01-16 Jim Wilson <wilson@redhat.com>
7350 * invoke.texi: Document IA-64 options.
7352 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7353 (fixup_errata): Delete TARGET_A_STEP use.
7354 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7355 (TARGET_SWITCHES): Delete -ma-step option.
7356 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7357 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7358 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7359 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7360 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7361 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7363 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7364 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7365 cmovsi_internal): Delete ! TARGET_A_STEP check.
7367 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7369 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7370 possibility to report bugs via postal mail. Change a URL and
7371 merge in a nearly duplicate statement...
7372 (Bug Reporting): ...from here.
7373 (Service): Refer to the Bug Reporting section instead of
7375 (Contributing): Remove trivial explanations concerning snapshots.
7377 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7379 * cppmain.c (general_init): Don't use ANSI prototype.
7381 2001-01-16 Tom Tromey <tromey@redhat.com>
7383 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7385 2001-01-16 Richard Henderson <rth@redhat.com>
7387 * config/i386/i386.h: Fix comment typo.
7388 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7389 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7391 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7393 * gcc.c: Revert previous -fsyntax-only-related change; move
7396 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7398 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7399 inmode after checking GET_CODE (op).
7401 2001-01-16 Richard Henderson <rth@redhat.com>
7403 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7404 (MAX_MEM_SET_LIST_LEN): New.
7405 (propagate_one_insn): Update mem_set_list_len.
7406 (invalidate_mems_from_autoinc): Likewise.
7407 (invalidate_mems_from_set): Likewise.
7408 (mark_used_regs): Likewise.
7409 (init_propagate_block_info): Likewise. Stop collecting memories
7410 when we reach MAX_MEM_SET_LIST_LEN.
7411 (mark_set_1): Likewise.
7413 2001-01-16 Richard Henderson <rth@redhat.com>
7415 * unroll.c (precondition_loop_p): Fail if no iteration
7418 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7420 * gcc.c: When -fsyntax-only is given, do not complain about
7423 2001-01-15 Richard Henderson <rth@redhat.com>
7425 * config/i386/i386.c (asm_output_function_prefix): Remove.
7426 (ix86_asm_file_end): New.
7427 (load_pic_register): Generate pic_label_name into a
7428 staticly allocated buffer.
7429 * config/i386/i386-protos.h: Update.
7430 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7431 (ASM_FILE_END): New.
7432 * config/i386/i386afe.h: New file.
7433 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7434 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7435 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7436 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7437 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7438 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7439 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7441 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7443 * Makefile.in (install-man): Remove explicit dependency on
7446 * configure.in, configure: Revert previous patch requiring perl
7449 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7451 * toplev.c (flag_guess_branch_prob): New.
7452 (f_options): Add guess-branch-probability option.
7453 (rest_of_decl_compilation): Only estimate branch probability if
7455 (main): set flag_guess_branch_prob.
7457 * flags.h (flag_guess_branch_prob): New.
7459 2001-01-15 DJ Delorie <dj@redhat.com>
7461 * gcc.texi (Makefile): Add documentation for Makefile targets.
7463 2001-01-15 Philip Blundell <philb@gnu.org>
7465 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7467 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7468 (is_pic): Delete declaration.
7469 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7470 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7471 * config/arm/arm.md (builtin_setjmp_receiver): New.
7473 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7475 * arm.c (use_return_insn): Don't try to determine the function type
7476 until after reload has completed.
7477 (arm_output_epilogue): Don't adjust the sp value recovered from the
7479 (emit_multi_reg_push): Don't record dwarf information for the pc.
7480 * arm.md (eh_epilogue): The function type may have changed, so it
7481 needs to be recalculated.
7482 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7483 unwind tables on arm/netbsd.
7485 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7487 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7488 (negated_cbranchsi4): Likewise.
7490 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7492 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7493 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7494 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7495 pass -mapcs-* options to assembler.
7496 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7497 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7498 (ASM_SPEC): Call subtarget_extra_asm_spec.
7500 2001-01-15 Andreas Jaeger <aj@suse.de>
7502 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7504 (ix86_expand_builtin): Likewise.
7506 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7507 warning about comparison between signed and unsigned.
7509 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7511 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7513 2001-01-14 Ralf Baechle <ralf@gnu.org>
7515 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7516 SUBTARGET_CPP_SPEC apropriatly.
7518 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7520 * varasm.c (make_decl_rtl): Fix typo in last change.
7522 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7524 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7525 linker supports the init_priority C++ attribute.
7526 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7527 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7528 linker does not support init_priority C++ attribute.
7530 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7532 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7534 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7536 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7537 * cp/lex.c (finish_parse): Similarly.
7538 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7539 Return the number of errors encountered.
7540 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7541 * cppmain.c (main): Don't call cpp_destroy.
7543 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7545 * configure.in: Require at least perl 5.6.0 to regenerate
7547 * configure: Regenerate.
7549 2001-01-14 Richard Henderson <rth@redhat.com>
7551 * genrecog.c (DT_veclen_ge): New.
7552 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7553 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7554 (nodes_identical_1): Handle DT_veclen_ge.
7555 (write_cond, debug_decision_2): Likewise.
7557 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7559 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7561 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7563 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7565 * cppmain.c (do_preprocessing): New function; most of the old
7567 (main): Call it to do most of the work.
7568 (cb): Move from global scope to set_callbacks ().
7569 (setup_callbacks): Get the callback pointer.
7570 (general_init, printer_init): Clean up code and comments.
7572 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7574 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7577 2001-01-14 Kazu Hirata <kazu@hxi.com>
7579 * config/h8300/h8300.c (get_shift_alg): Update comments.
7581 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7583 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7584 (alloc_page, ggc_alloc): Add casts to remove warnings.
7586 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7588 * combine.c (simplify_comparison): Don't change `code' when
7589 can't reverse comparison.
7591 2001-01-14 Richard Henderson <rth@redhat.com>
7593 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7594 update all call sites. Return true for all non-label constants.
7596 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7598 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7600 (ix86_expand_branch): Update.
7601 (ix86_expand_setcc): Update to handle multiple test conditions.
7602 (expand_int_movcc): Likewise.
7603 (expand_fp_movcc): Likewise.
7604 * i386-protos.h (ix86_expand_compare): New.
7605 * i386.md (andqi_?_slp, orqi_?_slp): New.
7606 (conditional trap expander): Update call to ix86_expand_compare.
7608 2001-01-14 Richard Henderson <rth@redhat.com>
7610 * config/vax/vax.md: Use nonimmediate_operand instead of
7611 general_operand in destinations.
7613 * config/vax/vax.md (indirect_jump): Use register_operand.
7615 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7616 * config/vax/vax.md (call_pop): Turn into an expander.
7617 (call_value_pop): Likewise.
7618 (call, call_value): New.
7620 2001-01-14 Andreas Jaeger <aj@suse.de>
7622 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7624 (ix86_fp_compare_mode): Add unused attribute.
7625 (ix86_expand_fp_movcc): Remove unused variable.
7626 (ix86_expand_builtin): Make fcode unsigned.
7628 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7629 (expand_expr): Add cast to avoid signed warning.
7630 (store_field): Likewise.
7631 (store_constructor_field): Likewise.
7632 (store_constructor): Likewise.
7633 (store_expr): Likewise.
7634 (clear_storage): Likewise.
7635 (emit_group_store): Likewise.
7636 (emit_group_load): Likewise.
7638 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7640 * c-common.c: Move format checking code to ...
7641 * c-format.c: ... here. New file. Reorder some functions and
7643 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7645 * c-common.h (decl_handle_format_attribute,
7646 decl_handle_format_arg_attribute): Declare.
7647 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7648 (c-common.o): Adjust dependencies.
7649 (c-format.o): New list of dependencies.
7651 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7653 * unroll.c (loop_iterations): If we cannot prove iteration variable
7654 is set once in each iteration, punt.
7656 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7658 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7659 (*strlenhi): Remove clobber (which was buggy) of output address.
7661 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7663 * Makefile.in (generated-manpages): Add gcc.1
7664 ($(srcdir)/gcc.1): New target.
7665 (maintainer-clean): Delete $(srcdir)/gcc.1.
7666 * gcc.texi: Add macros @gccoptlist and @gol.
7667 * invoke.texi: Include option summary in manpage. Mark up option
7668 summary with @gccoptlist and @gol. Use @r in one place where
7670 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7671 * gcc.1: Generate from invoke.texi.
7673 2001-01-13 Richard Henderson <rth@redhat.com>
7675 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7676 (struct page_entry): Add group member.
7677 (struct page_group): New.
7678 (struct globals): Add page_groups member.
7679 (alloc_anon): Only define for using mmap; remove valloc call.
7680 (page_group_index): New.
7681 (set_page_group_in_use): New.
7682 (clear_page_group_in_use): New.
7683 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7684 (free_page, release_pages): Likewise.
7685 * configure.in (with-gc): Default to ggc-page always.
7687 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7689 * reload1.c (replace_pseudos_in_call_usage): Use
7690 reg_equiv_constant and reg_equiv_address, and don't try
7691 regno_reg_rtx first.
7693 2001-01-13 Richard Henderson <rth@redhat.com>
7695 * ggc-page.c (alloc_page): Round up allocation size to one page.
7696 Set e->order on extra pages.
7698 2001-01-13 Richard Henderson <rth@redhat.com>
7700 * genrecog.c (nodes_identical): Expand commentary.
7701 (write_switch): Watch out for identical nodes.
7703 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7705 * cppfiles.c (_cpp_fake_include): New function.
7706 * cpphash.h (_cpp_fake_include): New.
7707 * cpplib.c (do_line): Call _cpp_fake_include when entering
7708 header files in preprocessed input.
7709 * cppmain.c (cb_pragma_implementation): Remove handling.
7710 (setup_callbacks): Don't register pragmas.
7712 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7714 * extend.texi: Udate for CPP.
7716 2001-01-13 Andreas Jaeger <aj@suse.de>
7718 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7720 * regmove.c: Add prototype for replace_in_call_usage.
7722 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7724 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7725 struct cpp_chunk, struct htab, struct toklist,
7726 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7727 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7728 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7729 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7730 (struct macro_args): Delete.
7731 * cpphash.h: See above.
7733 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7735 * cppmain.c (struct printer): Remove no_line_dirs.
7737 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7738 : Use options rather than CPP_OPTION.
7739 (setup_callbacks): Use cb rather than pfile->cb.
7740 (main): No need to check for a buffer. Use cpp_errors.
7741 (printer_init): Don't set no_line_dirs.
7742 (maybe_print_line): Use options not no_line_dirs.
7743 (cb_file_change): Don't call print_line if -P.
7745 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7747 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7749 * c-parse.in (finish_parse): Use cpp_errors.
7750 (__yylex): Use return value of cpp_pop_buffer.
7751 * cp/lex.c (finish_parse): Use cpp_errors.
7752 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7754 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7756 * README.AVR: URLs corrected.
7758 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7760 * c-decl.c (start_function): Don't warn if old prototype is builtin
7761 that's not in C's namespace.
7762 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7763 (_bb): Add prototype for ctime.
7764 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7766 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7768 * i386.c (ix86_fp_comparison_arithmetics_cost,
7769 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7770 ix86_fp_comparison_cost): New functions.
7771 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7772 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7773 two-branch sequences; make static.
7774 (ix86_use_fcomi_compare): Do decision according to the costs.
7775 (split_fp_branch): New.
7776 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7777 * i386-protos.h (ix86_expand_fp_compare): Remove
7778 (ix86_split_fp_branch): Declare.
7780 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7781 and ix86_comparison_operator.
7783 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7786 * i386.c (put_condition_code): Output properly the unordered/ordered
7787 compares in fp case.
7788 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7790 * tm.texi (REVERSE_CONDITION): Document.
7791 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7792 in -ffast-math mode.
7793 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7795 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7797 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7799 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7802 * config/sh/sh.c (mova_p): Fix test for mova_const.
7804 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7806 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7807 cpp_get_options rather than dereferencing pfile and using
7809 * scan-decls.c (scan_decls): Use return value of
7810 cpp_pop_buffer rather than CPP_BUFFER.
7812 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7814 * cppinit.c (cpp_handle_option): help_only is now part of the
7815 cpp_options structure.
7816 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7817 cpp_set_callbacks): New functions.
7818 * cpplib.h (cpp_callbacks): Break out as a named structure.
7819 (cpp_options): Move help_only here from cpp_reader.
7820 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7821 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7822 cpp_set_callbacks): New prototypes.
7823 * cppmain.c (main): Update for help_only.
7825 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7827 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7828 Also build and remove and install and uninstall c-tree.info and
7830 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7831 ($(srcdir)/cppinternals.info): New target.
7832 * c-tree.texi: Change file name used when makeinfo used without -o
7833 from ir.info to c-tree.info. Add info directory entry.
7834 * cppinternals.texi: Add info directory entry.
7835 * .cvsignore: Update.
7837 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7839 * c-typeck.c (store_init_value): Don't require constant initializer
7840 elements with -pedantic -std=c99.
7841 (digest_init): Change error about non-constant initializer elements
7843 (constructor_range_end): Remove.
7844 (constructor_incremental, designator_depth,
7845 designator_errorneous): New variables.
7846 (struct constructor_stack): Remove range_end, add incremental.
7847 (struct constructor_range_stack, constructor_range_stack): New.
7848 (struct initializer_stack): Add constructor_range_stack.
7849 (finish_init): Set it.
7850 (start_init): Likewise. require_constant_elements for non-static
7851 trees only if not flag_isoc99.
7852 (really_start_incremental_init): Remove constructor_range_end, add
7853 constructor_incremental.
7854 (pop_init_level): Likewise.
7855 (push_init_level): Likewise. If implicit and the subobject had some
7856 value set already, preinitialize the level with it.
7857 Warn about missing braces only if not pushing due to designators.
7858 (set_designator, push_range_stack): New functions.
7859 (set_init_label): Use them.
7860 (set_init_index): Likewise. Remove constructor_range_end.
7861 Error if designator index is outside of array bounds.
7862 (add_pending_init): Compare values of purpose index trees, not the
7863 trees themselves. Allow overwriting of already initialized element.
7864 Issue a warning if it had side-effects.
7865 (set_nonincremental_init, set_nonincremental_init_from_string): New
7867 (pending_init_member): Rename to...
7868 (find_init_member): ...this function. Call set_nonincremental_init
7869 if necessary. Compare values of purpose index trees, not the trees
7870 themselves. Return the actual value, not just non-zero if something
7872 (output_init_element): Remove checks for duplicates.
7873 If field has zero size, only check the initializer for correctness.
7874 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7875 if constructor_incremental is zero. Change error about initializers
7876 not computable at load time into pedwarn.
7877 (output_pending_init_elements): Compare bit positions, not
7878 FIELD_DECLs to take into account zero-sized fields.
7879 (process_init_element): Use constructor_range_stack to fill all
7880 ranges in the designator lists from current level up.
7881 * extend.texi: Update documentation for labeled elements.
7883 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7885 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7886 to function usage for arguments passed by reference. Optimize
7887 callee-copied arguments.
7888 * regmove.c (replace_in_call_usage): New function.
7889 (fixup_match_1): Call it.
7890 * cse.c (cse_insn): Canonicalize registers in function usage.
7891 * reload1.c (replace_pseudos_in_call_usage): New function.
7894 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7897 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7899 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7902 2001-01-12 DJ Delorie <dj@redhat.com>
7904 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7905 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7908 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7910 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7911 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7912 -std options alongside references to -ansi. Update some
7913 documentation for C99.
7914 * cpp.1: Regenerate.
7916 2001-01-12 Andreas Jaeger <aj@suse.de>
7918 * haifa-sched.c (restore_line_notes): Remove argument block B
7920 * sched-ebb.c (schedule_ebb): Change caller.
7921 * sched-rgn.c (schedule_region): Likewise.
7922 * sched-int.h (restore_line_notes): Adjust prototype.
7924 * loop.h: Remove wrong declaration of doloop_condition_get.
7926 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7928 * extend.texi: Move C++-extension-related node from the C section
7929 into the C++ section.
7931 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7933 * extend.texi: Refer to an array of pointers to functions instead
7934 of one of functions.
7936 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7937 Jan Hubicka <jh@suse.cz>
7939 * combine.c (reversed_comparison): Fix typo in last patch.
7941 (combine_reversed_comparison_code): Make static to follow
7942 prototype declaration.
7944 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7946 * install.texi: Remove misplaced duplicate entry.
7948 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7950 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7952 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7954 * final.c: (leaf_function_p): Fix typo.
7956 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7958 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7959 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7961 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7962 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7963 mmap_anon, and valloc is available.
7964 * ggc-page.c: Restructure ifdef logic to match new autoconf
7965 spec. Don't throw away the test page in init_ggc.
7967 * configure, config.in: Regenerate.
7969 2001-01-12 Michael Hayes <mhayes@redhat.com>
7971 * loop.h (total_biv_increment): Constify iv_class pointer.
7972 (struct induction): Replace `mem_mode' with `mem' rtx.
7973 * unroll.c (total_biv_increment): Constify iv_class pointer.
7974 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7975 (find_mem_givs, combine_givs_p): Likewise.
7976 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7978 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7980 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7982 (__gthread_getspecific): Ditto.
7984 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7986 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7987 put_condition_code): Convert fp comparison codes to integer
7989 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7992 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7993 * i386-protos.h (no_comparison_operator): Kill.
7995 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7997 * combine.c (REVERSIBLE_CC_MODE): Remove.
7998 (reversible_comparison_p): Remove.
7999 (combine_reversed_comparison_code): New.
8000 (reversed_comparison): New.
8001 (combine_simplify_rtx): Use
8002 combine_reversed_comparison_code/reversed_comparison instead
8003 of reversible_comparison_p.
8004 (simplify_if_then_else): Likewise.
8005 (simplify_set): Likewise.
8006 (simplify_logical): Likewise.
8007 (if_then_else_cond): Likewise.
8008 (known_cond): Likewise.
8009 (simplify_comparison): Likewise.
8011 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
8013 * builtins.c (std_expand_builtin_va_start): Handle varargs when
8014 sizeof (int) is larger than sizeof(__word__).
8016 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8018 * cppinit.c (do_includes): Fix typo.
8020 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8022 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
8023 in S_REGS does not occur because not all sources are possible
8024 when a S_REGS is a destination (sometimes needs a clobber).
8025 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
8026 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
8027 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
8028 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
8029 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
8030 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
8031 (lshrdi_const1, lshrsi3_const16): Likewise.
8032 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8033 (*movhi_68hc12, *movqi_68hc12): Likewise.
8034 (movstrictqi): Make sure reloading in D_REGS as a destination
8037 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8039 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8041 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8043 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8044 -D, -U and -A, and don't initialize the builtins.
8045 (do_includes): Error if -include or -imacros with -fpreprocessed.
8046 * cppmain.c (cb_define, cb_undef): Unconditionally process
8048 * tradcpp.c (main): Fix typo.
8050 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8052 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8053 (read_name_map): Use IS_ABSOLUTE_PATH.
8054 * tradcpp.c (get_filename): Likewise.
8056 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8058 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8059 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8060 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8061 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8062 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8063 (cmphi_z_used): Don't use '@' for the output.
8064 (tstqi_z_used): Likewise.
8065 (cmpqi_z_used): Likewise.
8066 (one_cmplsi2): Likewise.
8068 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8070 * config/sh/sh.c (barrier_align): Recognize branch around far
8071 branch and redundant insn.
8073 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8075 * invoke.texi: Restore documentation of the drivers' switches -MD
8078 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8080 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8082 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8083 check-objc//%): Support parallel testing of multilibs.
8084 (TESTSUITEDIR): Set to testsuite by default, but override for
8086 (check-gcc, check-g++, check-g77, check-objc): Enter
8089 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8091 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8092 * sched-deps.c (deps_may_trap_p): Likewise.
8093 * basic-block.h: Remove a comment.
8094 * flow.c (PROP_POSTRELOAD): Remove.
8095 (update_life_info): Don't add it to prop_flags.
8096 (mark_set_1): Lose the code that was enabled by it.
8098 2001-01-11 Michael Hayes <mhayes@redhat.com>
8100 * flow.c (flow_call_edges_add): New.
8101 * basic_block.h (flow_call_edges_add): New.
8103 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8105 * reload1.c (move2add_note_store): Update reg_set_luid even if
8106 base reg remains the same.
8108 2001-01-10 Nick Clifton <nickc@redhat.com>
8110 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8111 machine_function structure to zero.
8112 Add prototypes for machine_status functions.
8114 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8116 * c-common.h (CTI_VOID_LIST): Remove.
8117 (void_list_node): Likewise.
8118 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8119 (void_list_node): New macro.
8120 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8121 * config/i386/i386.c (ix86_init_builtins): Likewise.
8122 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8124 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8126 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8127 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8129 * tradcpp.c: Include mkdeps.h.
8130 (deps, print_deps_phony_targets, deps_append, output_deps,
8131 init_dependency_output, output_deps): New.
8132 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8133 deps_output): Delete.
8134 (print_deps_missing_files): Rename deps_missing_files.
8135 (inhibit_output): Make global.
8136 (main): Delete inhibit_output, deps_stream, deps_target.
8137 Use mkdeps functionality in the same way as cpplib. Remove
8138 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8139 -M and -MM. Remove old handling of deps via deps_out, and
8140 old reading of environment variables.
8141 (get_filename): Update to use deps_add_dep.
8143 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8145 * output.h (make_function_rtl): Remove prototype.
8146 (make_decl_rtl): Likewise.
8147 * varasm.c (make_function_rtl): Remove.
8148 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8149 than from a third parameter.
8150 * tree.h (make_decl_rtl): Remove last parameter.
8151 * c-decl.c (builtin_function): Remove last argument in call to
8152 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8153 (start_function): Likewise.
8154 * except.c (call_get_eh_context): Likewise.
8155 * expr.c (emit_block_move): Likewise.
8156 (clear_storage): Likewise.
8157 * profile.c (output_func_start_profiler): Likewise.
8158 * toplev.c (rest_of_decl_compilation): Likewise.
8159 * objc/objc-act.c (create_builtin_decl): Likewise.
8160 (synth_module_prologue): Likewise.
8161 (generate_static_reference): Likewise.
8162 (build_selector_reference_decl): Likewise.
8163 (build_class_reference_decl): Likewise.
8164 (build_objc_string_decl): Likewise.
8165 (build_protocol_reference): Likewise.
8167 2001-01-10 Richard Henderson <rth@redhat.com>
8169 * hwint.h: Revert yesterday's change.
8171 2001-01-10 Nick Clifton <nickc@redhat.com>
8173 * function.h (save_machine_status): Delete.
8174 (restore_machine_status): Delete.
8175 Amend comment describing {init|mark|free}_machine_status.
8177 * function.c (save_machine_status): Delete.
8178 (restore_machine_status): Delete.
8179 Amend comment describing {init|mark|free}_machine_status.
8180 (push_function_context_to): Remove invocation of
8181 save_machine_status.
8182 (pop_function_context_from): Remove invocation of
8183 restore_machine_status.
8185 * emit-rtl.c (init_emit_once): Amend comment describing
8186 {init|mark|free}_machine_status.
8188 * tm.texi (Per-Function Data): New node. Describe the
8189 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8192 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8194 * cppinit.c (OPT_g): Remove.
8195 (cpp_handle_option): Update for removed -g3.
8196 (print_help): Update.
8197 * cpplib.h (struct cpp_options): Remove debug_output.
8198 * cppmain.c (setup_callbacks, cb_define): Update.
8199 * gcc.c (cpp_options): Translate -g3 to -dD.
8201 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8203 * config/i960/i960.md: Change modifier to + on the zero_extract
8204 pattern after the (rotate -2 reg) canonicalization pattern.
8206 2001-01-10 Richard Henderson <rth@redhat.com>
8208 * config/alpha/alpha.c (alpha_free_machine_status): New.
8209 (override_options): Install it.
8210 (alpha_mark_machine_status): Verify machine non-null.
8211 * config/i386/i386.c (ix86_free_machine_status): New.
8212 (override_options): Install it.
8213 (ix86_init_machine_status): Use xcalloc.
8214 (ix86_mark_machine_status): Verify machine non-null.
8215 * config/ia64/ia64.c (ia64_free_machine_status): New.
8216 (ia64_override_options): Install it.
8217 (ia64_mark_machine_status): Verify machine non-null.
8219 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8221 * function.c (instantiate_virtual_regs): Instantiate virtual
8222 registers found in CALL_INSN_FUNCTION_USAGE.
8224 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8226 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8227 equivalent to -ansi in disabling -Di386.
8229 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8231 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8233 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8235 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8237 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8239 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8241 * invoke.texi: Document that -fcond-mismatch isn't supported for
8244 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8246 * gcc.texi: Define macro gcctabopt.
8247 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8248 @command, @env and @option in some places where appropriate. Use
8249 @gcctabopt where appropriate. Put URLs and email addresses inside
8252 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8254 * gcc.c (cpp_options): Set MD file name from output
8255 filename, if specified.
8256 (suffix_subst): New static variable.
8257 (do_spec): Clear it.
8258 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8260 (give_switch): Handle suffix_subst.
8262 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8264 * invoke.texi: Fix another typo.
8266 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8268 * invoke.texi: Fix typo.
8270 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8272 * c-lang.c (lang_hooks): Update.
8273 (lang_decode_option): Remove.
8274 (lang_init_options): Rename c_init_options.
8275 * toplev.c (main): Use lang_hooks for lang_init_options
8276 and lang_decode_option.
8277 * toplev.h (lang_hooks): Add 2 new hooks.
8278 * tree.h: Remove lang_init_options and lang_decode_option.
8279 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8280 * cp/decl2.c: Similarly.
8281 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8282 (lang_hooks): Update.
8283 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8285 (lang_init_options): Rename ffe_init_options.
8286 (lang_hooks): Update.
8287 (lang_decode_option): Remove.
8288 * java/lang.c (lang_init_options): Rename java_init_options.
8289 (lang_decode_option): Rename java_decode_option.
8290 (lang_hooks): Update.
8291 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8292 (lang_decode_option): Rename objc_decode_option.
8293 (lang_hooks): Update.
8295 2001-01-09 Nick Clifton <nickc@redhat.com>
8297 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8298 (d30v_return_addr_rtx): Delete.
8299 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8300 cfun->machine structure.
8301 (struct machine_function): Move to d30v.h
8302 (d30v_save_machine_status): Delete.
8303 (d30v_restore_machine_status): Delete.
8304 (d30v_init_machine_status): New Function.
8305 (d30v_mark_machine_status): New Function.
8306 (d30v_free_machine_status): New Function.
8307 (d30v_init_expanders): Use new functions.
8308 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8309 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8310 d30v_return_addr_rtx.
8312 * config/d30v/d30v.h (struct_machine): Move here.
8313 Add eh_epilogue_sp_ofs field.
8315 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8316 field in cfun->machine structure.
8318 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8320 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8321 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8322 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8324 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8326 * objc/lang-options.h: Remove bogus reference to
8329 2001-01-09 Kazu Hirata <kazu@hxi.com>
8331 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8334 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8336 * reload.c (find_reloads_address): Check for eliminable registers
8337 when substituting a constant expression for a pseudo.
8339 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8341 * c-common.c (enum format_type): Add format_type_error.
8342 (decode_format_type): New function.
8343 (decl_attributes): Use it.
8344 (format_kind_info): Adjust comment.
8346 2001-01-09 David O'Brien <obrien@BSDi.com>
8348 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8349 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8351 * config/i386/gnu.h: Don't include required platform specific .h files,
8352 tm.h will do it instead.
8353 * config/i386/i386elf.h: Likewise.
8354 * config/i386/linux.h: Likewise.
8355 * config/i386/moss.h: Likewise.
8356 * config/mips/gnu.h: Likewise.
8358 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8360 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8361 (rs6000-ibm-aix3.[01]*): Likewise.
8362 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8363 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8364 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8365 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8366 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8367 (powerpc-*-eabiaix*): Likewise.
8368 (powerpc-*-eabisim*): Likewise.
8369 (powerpc-*-elf*): Likewise.
8370 (powerpc-*-eabi*): Likewise.
8371 (powerpc-*-rtems*): Likewise.
8372 (powerpc-*-linux*libc1): Likewise.
8373 (powerpc-*-linux*): Likewise.
8374 (powerpc-wrs-vxworks*): Likewise.
8375 (powerpcle-wrs-vxworks*): Likewise.
8376 (powerpcle-*-sysv*): Likewise.
8377 (powerpcle-*-elf*): Likewise.
8378 (powerpcle-*-eabisim*): Likewise.
8379 (powerpcle-*-eabi*): Likewise.
8380 (powerpcle-*-solaris2*): Likewise.
8381 * config/rs6000/aix31.h: Delete includes.
8382 * config/rs6000/aix3newas.h: Likewise.
8383 * config/rs6000/aix41.h: Likewise.
8384 * config/rs6000/aix43.h: Likewise.
8385 * config/rs6000/beos.h: Likewise.
8386 * config/rs6000/rtems.h: Likewise.
8387 * config/rs6000/sysv4.h: Likewise.
8389 2001-01-09 Kazu Hirata <kazu@hxi.com>
8391 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8392 Change an argument mode of machine_mode to shift_mode of
8393 shift_mode. Remove an extra error check.
8394 (emit_a_shift): Adopt to the new calling prototype of
8396 (function_prologue): Fix code for a monitor
8397 function. Support H8/S.
8398 (function_epilogue): Do not output pop for a monitor function.
8400 2001-01-09 Nick Clifton <nickc@redhat.com>
8402 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8403 (setup_incoming_varargs): Use sysv_varargs_p field of the
8404 cfun->machine structure.
8405 (struct machine_function): Move to rs6000.h
8406 (rs6000_save_machine_status): Delete.
8407 (rs6000_restore_machine_status): Delete.
8408 (rs6000_init_machine_status): New Function.
8409 (rs6000_free_machine_status): New Function.
8410 (rs6000_init_expanders): Use new functions.
8412 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8414 (struct machine_function): Move here.
8416 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8417 sysv_varargs_p field of the cfun->machine structure.
8419 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8421 (rs6000_restore_machine_status): Remove prototype.
8423 2001-01-09 Richard Henderson <rth@redhat.com>
8425 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8426 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8427 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8428 (sched_analyze_2, sched_analyze_insn): Likewise.
8429 (sched_analyze, init_deps): Likewise.
8430 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8431 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8432 (compute_block_backward_dependences): Update propagate_deps call.
8434 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8436 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8438 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8440 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8441 (cpp_handle_option): Handle them.
8442 (cpp_post_options): Ensure one of -M or -MM is specified with
8443 any other -M? option.
8444 (init_dependency_output): Suppress output with -MG.
8446 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8449 * invoke.texi: Update.
8451 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8453 * sh.md (reload_outsf): Generate recognizable patterns for
8456 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8458 * c-lang.c (lang_hooks): Update.
8459 (lang_init): Rename c_init.
8460 (lang_finish): Remove.
8461 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8463 * toplev.h (lang_hooks): Add init () and finish ().
8464 * tree.h (lang_init, lang_finish): Remove.
8465 * cp/tree.h (lang_init, lang_finish): Remove.
8466 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8467 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8469 (lang_init, lang_finish): Remove.
8470 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8471 (lang_hooks): Update.
8472 * java/lang.c (lang_init): Rename java_init.
8473 (lang_finish): Remove.
8474 (lang_hooks): Update.
8475 * objc/objc-act.c (lang_init): Rename objc_init.
8476 (lang_finish): Remove.
8477 (lang_hoooks): Update.
8479 20001-01-09 Graham Stott <grahams@redhat.com>
8481 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8482 after `ptr` is initialised.
8484 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8486 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8487 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8488 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8489 stack adjusts, instead of r3.
8491 2001-01-09 Michael Hayes <mhayes@redhat.com>
8493 * flow.c (flow_loop_scan): Break out of ...
8494 (flow_loops_find) ... here.
8495 * basic-block.h (flow_loop_scan): New.
8496 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8497 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8499 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8501 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8503 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8504 realloc()ing macro_buffer.
8506 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8507 if it's wider than long and the target's long is wider than the
8510 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8512 Remove support for using UWIN as a host machine.
8513 * configure.in: Issue an error message.
8514 * configure: Regenerated.
8515 * config.gcc: Remove xm_* UWIN configury.
8516 * config/i386/xm-uwin.h: Remove.
8518 2001-01-08 Nick Clifton <nickc@redhat.com>
8520 * config/v850/v850.c (ra_rtx): Delete.
8521 (v850_save_machine_status): Delete.
8522 (v850_restore_machine_status): Delete.
8523 (v850_init_machine_status): New function.
8524 (v850_mark_machine_status): New function.
8525 (v850_free_machine_status): New function.
8526 (v850_return_addr): Use ra_rtx field in machine structure.
8527 (v850_init_expanders): Use new functions.
8529 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8530 * config/v850/v850.c: Change arguments to v850_output+* functions
8531 to take a const char *, to avoid compile time warning.
8532 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8533 (USER_LABEL_PREFIX): Redefine.
8535 2000-01-08 Jim Wilson <wilson@redhat.com>
8537 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8538 1 to unsigned HOST_WIDE_INT before left shift.
8540 2001-01-08 Nick Clifton <nickc@redhat.com>
8542 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8543 the machine structure has been allocated.
8544 (arm_free_machine_status): New function: Free the machine
8545 specific function structure.
8547 2001-01-08 Richard Henderson <rth@redhat.com>
8549 * jump.c (simplejump_p): Revert last change.
8551 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8553 * cppinit.c (init): Rename init_library.
8554 (cpp_create_reader): Update.
8555 * gcc.c (cpp_options): If -o given, use it as the target of
8558 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8560 * arm.c (arm_arch5e): New variable.
8561 (all_cores): XScale is a 5TE device.
8562 (arm_override_options): Set arm_arch5e.
8563 (arm_init_builtins): __builtin_prefetch is in arch5e.
8564 * arm.h (arm_arch5e): Declare it.
8566 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8568 * arm.md (define_constants): Add defines for UNSPEC and
8569 UNSPEC_VOLATILE insns. Update all users.
8570 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8571 * arm.c (multi_register_push, note_invalid_constants)
8572 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8573 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8574 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8576 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8578 * jump.c (jump_optimize_1): Use reversed_comparison_code
8579 instead of can_reverse_comparison_p.
8580 (jump_back_p): Likewise.
8581 (invert_exp_1): Likewise.
8582 (thread_jumps): Likewise.
8583 * simplify-rtx.c (simplify_unary_operation): Likewise.
8584 (simplify_ternary_operation): Likewise.
8585 * cse.c (find_comparison_args): Convert to use
8586 can_reverse_comparison_p.
8587 (record_jump_equiv): Likewise.
8589 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8591 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8592 (EPILOGUE_USES): Define.
8593 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8594 automatically stack the LR if it isn't live.
8596 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8598 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8601 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8603 * ggc-page.c (max_alignment): New structure.
8604 (MAX_ALIGNMENT): New macro.
8605 (init_ggc): Use it to round up the sizes in the
8606 extra_order_size_table.
8608 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8610 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8613 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8615 * builtins.def (BUILT_IN_FPRINTF): New entry.
8617 * c-common.c (c_expand_builtin_fprintf): New function.
8618 (init_function_format_info): Handle __builtin_fprintf.
8619 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8620 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8622 * c-decl.c (duplicate_decls): Adjust comment.
8624 * extend.texi (fprintf): Document new builtin.
8626 2001-01-07 Richard Henderson <rth@redhat.com>
8628 * jump.c (simplejump_p): Recognize any single_set jump
8631 2001-01-07 Richard Henderson <rth@redhat.com>
8633 * configure.in (slibdir): Accept an --with-slibdir option.
8634 Use "test" not "[" in configure. Default to $(libdir).
8636 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8638 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8639 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8640 (SHLIB_LINK): Create links for the soname.
8641 * config/mips/t-iris6: Likewise.
8642 * config/sparc/t-slibgcc: Likewise.
8643 * config/sparc/t-slibgcc-sld: Likewise.
8645 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8647 * config/i386/i386.c (constant_call_address_operand): Accept
8648 (const (plus (symbol_ref) (const_int))).
8649 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8650 constant_call_address_operand.
8652 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8654 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8655 and LONG_LONG_TYPE_SIZE > 32.
8657 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8659 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8660 the previous change.
8662 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8664 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8666 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8667 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8668 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8671 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8673 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8675 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8677 * c-lang.c (c_post_options): Call cpp_post_options.
8678 * objc/objc-act.c (objc_post_options): Similarly.
8679 * cppmain.c (main): Similarly.
8680 * fix-header.c (read_scan_file): Similarly.
8681 * cppinit.c (cpp_start_read): Move option consistency checks
8682 to cpp_post_options. Don't call init_dependency_output.
8683 If needed, add default target and main file dependency.
8684 (OPT_MD, OPT_MMD): Remove.
8686 (cpp_handle_option): Update for OPT_* changes.
8687 (cpp_post_options): New.
8688 (init_dependency_output): Command line -MF overrides environment
8689 variables. Don't set default target etc. Suppress output
8690 if dependencies are going to stdout.
8691 (print_help): Update.
8692 * cpplib.h (cpp_post_options): New.
8693 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8695 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8697 * jump.c (comparison_dominates_p): Support unordered compares.
8699 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8701 * simplify-rtx.c (simplify_relational_operation): Always simplify
8702 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8705 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8707 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8708 (nonzero_bits): Likewise.
8709 (simplify_comparison): Likewise.
8710 (num_sign_bit_copies): Likewise; return more sane value depending
8711 on STORE_FLAG_VALUE.
8712 (known_cond): Do not assume EQ to be always true for equivalent
8715 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8717 * cse.c (fold_rtx): Handle unordered comparisons.
8719 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8721 * rtlanal.c (set_of_1): New static function.
8722 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8723 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8724 reg_set_last_last_regno): Remove.
8725 (set_of): New global function.
8726 (set_of_data): New structure.
8727 (reg_set_p, reg_set_last): Revamp for set_of.
8728 * rtl.h (set_of): New.
8730 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8732 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8733 * extend.texi: Document _Exit builtin.
8735 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8737 * (initialize, initialize_builtins,
8738 initialize_dependency_output, initialize_standard_includes):
8739 Rename s/initialize/init. Update.
8740 (init_dependency_output): Move to after
8741 cpp_handle_options, the correct location temporally at least.
8742 (opt_comp): Move next to init (), its caller. Fix prototype.
8743 (init): Make "initialized" local scope.
8744 (cpp_create_reader): Always call init ().
8745 (cpp_start_read): Update.
8746 (output_deps): New function, broken out of cpp_finish.
8747 (cpp_finish): Break out output_deps.
8749 2001-01-07 Richard Henderson <rth@redhat.com>
8751 * collect2.c (COFF specific stuff): Revert 12-06 patch
8752 to prototype system functions.
8754 2001-01-07 Michael Hayes <mhayes@redhat.com>
8756 * hard-reg-set.h: Add multiple include guard.
8757 * basic-block.h (struct loop): Add `sink' field.
8758 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8759 (emit_iv_add_mult): Delete.
8760 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8761 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8762 (unroll_loop): Remove end_insert_before argument.
8763 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8764 (maybe_eliminate_biv_1): Likewise.
8765 (emit_iv_add_mult): Delete.
8766 (gen_add_mult, loop_regs_update): New.
8767 (loop_insn_emit_after, loop_insn_emit_before): New.
8768 (loop_insn_sink, loop_insn_sink_or_swim): New.
8769 (emit_iv_add_mult): Delete.
8770 (scan_loop): Set loop->sink.
8771 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8772 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8773 (maybe_eliminate_biv_1): Likewise.
8774 (maybe_eliminate_biv_1): Add basic block argument.
8775 * unroll.c (unroll_loop): Remove end_insert_before argument.
8776 (find_splittable_regs): Likewise.
8777 (find_splittable_regs): Use loop_insn_sink and its ilk.
8778 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8780 2001-01-07 Michael Hayes <mhayes@redhat.com>
8782 * loop.h (loop_insn_hoist): New prototype.
8783 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8784 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8785 (check_dbra_loop, load_mems): Likewise.
8786 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8787 (find_splittable_givs): Likewise.
8789 2001-01-07 Michael Hayes <mhayes@redhat.com>
8791 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8793 2001-01-07 Richard Henderson <rth@redhat.com>
8795 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8797 2001-01-07 Richard Henderson <rth@redhat.com>
8799 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8800 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8801 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8802 variant that handles a shared libgcc.
8803 (process_command): Always validate -{static,shared}-libgcc.
8804 (do_spec_1): New 'M' case.
8805 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8807 2001-01-07 Richard Henderson <rth@redhat.com>
8809 * Makefile.in (slibdir): New variable.
8810 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8811 (installdirs): Create slibdir.
8812 (install-libgcc, install-multilib): Defer to libgcc.mk.
8813 * configure.in (slibdir): Substitute.
8814 * mklibgcc.in (install): New target.
8816 * config/t-linux (SHLIB_LINK): Create links for the soname.
8817 (SHLIB_INSTALL): New.
8818 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8819 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8820 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8821 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8822 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8824 2001-01-07 Richard Henderson <rth@redhat.com>
8826 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8827 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8828 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8830 2001-01-07 Michael Hayes <mhayes@redhat.com>
8832 * loop.c (count_loop_regs_set): Delete.
8833 (load_mems_and_recount_loop_regs_set): Delete.
8834 (loop_regs_scan): Merge common code from count_loop_regs_set,
8835 scan_loop, and load_mems_and_recount_loop_regs_set.
8836 (scan_loop): Call load_mems directly and loop_regs_scan
8837 again if new registers created.
8839 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8841 * toplev.c (main): Call the front-end specific post_options
8842 hook if one is given.
8843 * toplev.h (struct_lang_hooks, lang_hooks): New.
8844 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8845 for the C front end.
8846 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8847 lang_hooks for the C++ front end.
8848 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8849 lang_hooks for the ObjC front end.
8850 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8851 * java/lang.c (lang_hooks): Hooks for the Java front end.
8853 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8855 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8856 for verbose DWARF[2] debugging.
8857 (cb_define, cb_undef): The new callbacks.
8858 * toplev.h (debug_define, debug_undef): Make const correct.
8859 * toplev.c (debug_define, debug_undef): Similarly. Do not
8860 perform the verbosity tests here anymore.
8862 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8864 * reload.c (subst_reloads): Take INSN argument. When
8865 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8866 * reload.h (subst_reloads): Adjust prototype.
8867 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8868 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8869 present in JUMP_INSNs and copy them to JUMP_LABEL.
8870 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8871 JUMP_INSNs and insns with REG_LABELs that are followed by
8872 JUMP_INSNs with the same REG_LABEL.
8873 * sched-rgn.c (is_cfg_nonregular): Likewise.
8874 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8876 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8878 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8880 2001-01-06 Richard Henderson <rth@redhat.com>
8882 * loop.c (scan_loop): Use xcalloc for the regs array.
8883 (load_mems_and_recount_loop_regs_set): Zero the new memory
8884 received from xrealloc.
8886 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8888 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8890 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8892 * integrate.c (copy_rtx_and_substitute): When copying
8893 an ignored return value, strip REG_FUNCTION_VALUE_P.
8895 2001-01-06 Michael Hayes <mhayes@redhat.com>
8897 * loop.c (debug_biv, debug_giv): New.
8898 (loop_biv_dump): Break out from ...
8899 (record_biv): ... here.
8900 (loop_giv_dump): Break out from ...
8901 (record_giv): ... here.
8902 (loop_bivs_check): Use print_simple_rtl.
8903 * unroll.c (loop_iterations): Use print_simple_rtl.
8905 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8907 * pa.md (return, return_internal): Modify patterns to prevent regrename
8908 mucking with the return pointer.
8910 2001-01-05 Richard Henderson <rth@redhat.com>
8912 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8914 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8916 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8917 version supplied by Matteo Frigo.
8919 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8921 * cpp.texi: Update for -MQ.
8922 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8923 (cpp_cleanup): Always free pfile->deps.
8924 (initialize_dependency_output): Don't create pfile->deps.
8925 (cpp_handle_option): Similarly.
8927 * gcc.c (cpp_options): Handle -MQ.
8928 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8929 * mkdeps.c (base_name): Remove.
8930 (deps_init): Don't allocate vector space until it's needed.
8931 (deps_free): Only free vectors if allocated.
8932 (deps_add_target, deps_add_dep): Update for initial allocation.
8933 (deps_add_default_target): Don't strip to the base_name.
8935 2001-01-05 DJ Delorie <dj@redhat.com>
8937 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8938 (INIT_EXPANDERS): Define.
8940 * config/v850/v850.c (struct machine_function): Define.
8941 (v850_save_machine_status): New function.
8942 (v850_restore_machine_status): New function.
8943 (v850_return_addr): New function.
8944 (v850_init_expanders): New function.
8946 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8947 and v850_init_expanders.
8949 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8951 * cpplib.h (struct cpp_reader): Add help_only field.
8952 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8953 (cpp_handle_option): Set pfile->help_only if we see -h,
8954 --help, -target-help, or --version. Print version string but
8955 do not set help_only if we see -v or -version. Make text
8956 printed by -v match that printed by (-)-version.
8958 * cppmain.c (main): Exit after option parsing if
8959 pfile->help_only is true.
8961 * toplev.c (independent_decode_option): Call print_version,
8962 then exit, if we see --version (but not -version).
8963 (print_version): Split lengthy message into two lines.
8965 2001-01-05 Nick Clifton <nickc@redhat.com>
8967 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8968 temporary string for initialisation before calling ggc_alloc_string.
8970 2001-01-06 Michael Hayes <mhayes@redhat.com>
8972 * rtl.h (print_simple_rtl): New.
8973 * print-rtl.c (print_simple_rtl): New.
8975 (print_rtx): Disable printing of flags and modes, etc.,
8976 if `flag_simple` nonzero.
8978 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8980 * function.c (fixup_var_refs): Use push_to_full_sequence where
8983 2001-01-05 Michael Meissner <meissner@redhat.com>
8985 * flags.h (flag_reorder_blocks): Add declaration.
8986 (flag_rename_block): Ditto.
8988 2001-01-05 DJ Delorie <dj@redhat.com>
8990 * function.c (reorder_blocks): Make sure the flags are all reset
8991 before using them to mark blocks, else a second invocation will
8992 corrupt the block chain.
8993 (reorder_blocks_0): New, resets the flags.
8995 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8997 * cse.c (find_comparison_args): Stop if the argument is known to
9000 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9002 * config/sh/sh.md (movdf): When splitting load into pair of
9003 registers, don't clobber the register used in the address too
9006 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
9008 * varasm.c (mark_constant_pool): Improve initial comments.
9009 (mark_constants): Move marking of constants to mark_constant.
9010 (mark_constant): New function to recursively mark all constants
9011 referred to by a constant.
9013 2001-01-05 Catherine Moore <clm@redhat.com>
9015 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
9017 2001-01-05 Phil Edwards <pme@sources.redhat.com>
9019 * cp/lang-options.h: Bring comment in line with reality.
9020 * f/lang-options.h: Likewise.
9021 * java/lang-options.h: Likewise.
9022 * objc/lang-options.h: Likewise.
9023 * ch/lang-options.h: Likewise.
9024 * f/g77.texi: And update the manual.
9026 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
9027 Denis Chertykov <denisc@overta.ru>
9029 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
9030 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
9031 * config/avr/avr.md (all peepholes that request a scratch register):
9032 Call it, FAIL the peephole if not safe (in interrupt functions).
9034 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9036 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9038 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9040 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9042 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9043 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9044 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9045 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9046 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9048 * extend.texi: Document these builtins.
9050 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9052 * c-common.c (lang_get_alias_set): Say we know nothing of
9053 VECTOR_TYPE aliasing.
9055 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9057 2001-01-05 Bruce Korb <bkorb@gnu.org>
9059 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9060 their x* equivalent versions for atexit-less systems
9061 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9062 systems (or any other system any more).
9064 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9066 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9067 output operands. Use arm_hard_register_operand for operand 4.
9068 (stmsi_postinc): Similarly.
9069 (ldmsi): Use arm_hard_register_operand for opernand 2.
9071 * arm.c (arm_hard_register_operand): New function.
9072 * arm-protos.h (arm_hard_register_operand): Prototype it.
9074 * arm.h (HARD_REGNO_RENAME_OK): Define.
9076 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9078 * simplify-rtx.c (cfc_args): add "unordered" field.
9079 (check_fold_consts): Set unordered field.
9080 (simplify_relational_operation): Simplify the unordered
9083 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9086 * emit-rtl.c (try_split): Fix code to mark labels.
9087 * jump.c (mark_jump_label): Make global.
9088 * rtl.h (mark_jump_label): Declare.
9090 * predict.c (estimate_probability): Handle unordred comparisons.
9092 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9094 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9095 * cppinit.c (initialize_dependency_output): Update.
9096 (cpp_finish): Output dummy targets for -MP.
9098 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9099 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9100 * gcc.c (cpp_options): Update to handle -MP.
9101 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9102 to quote only the default target.
9103 (deps_phony_targets): Insert a preceding newline. Rename from
9104 deps_dummy_targets for consistency.
9107 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9109 * calls.c (emit_library_call_value_1): Support
9110 INIT_CUMULATIVE_LIBCALL_ARGS.
9111 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9113 2001-01-04 Richard Henderson <rth@redhat.com>
9115 * c-decl.c (finish_struct): Detect flexible array members
9116 used in an inappropriate context.
9117 * c-typeck.c (really_start_incremental_init): Special case
9118 constructor_max_index for zero length arrays.
9119 (pop_init_level): Allow initialization of flexible array
9120 members. Deprecate initialization of zero length arrays.
9121 Don't issue missing initializer warning for flexible array
9122 members or zero length arrays.
9123 (process_init_element): Don't dereference null DECL_SIZE.
9124 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9125 Don't abort for empty constructors. Use size_binop
9126 (output_constructor): Add commentary regarding zero length
9127 array futures. Abort if we try to initialize an array of
9128 unspecified length with a non-empty constructor in the middle
9131 * extend.texi (Zero Length): Update and clarify documentation
9132 on static initialization.
9134 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9136 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9137 with more than 32767 words of local storage.
9139 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9141 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9142 for 'abs', 'labs', and 'fabs'.
9143 (c4x_expand_builtin): Likewise.
9144 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9146 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9148 * config/sh/sh.md (prget, prset): New insn types.
9149 (return delay slot): Dont' allow prset.
9150 (call, sfunc delay slot): Don't allow prget.
9151 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9152 for prset and prget.
9154 2001-01-05 Michael Hayes <mhayes@redhat.com>
9156 * loop.h (struct loop_reg): New.
9157 (struct loop_regs): Change to use array of `struct loop_reg'.
9158 * loop.c: Replace assortment of varrays with single regs array.
9159 (count_one_set): Delete may_not_move array argument
9160 and use regs array instead. All caller's changed.
9161 (count_loop_regs_set): Delete may_not_move and single_usage
9162 arguments and use regs array instead. All caller's changed.
9163 (find_single_use_in_loop): Replace usage array argument with pointer
9164 to regs structure. All caller's changed.
9165 (loop_optimize): Delete `moved_once' array.
9167 2001-01-05 Michael Hayes <mhayes@redhat.com>
9169 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9170 Use it instead of loop_info->has_call for scanning loop mems.
9171 (check_dbra_loop): Replace loop_info->has_call test with
9172 loop_info->has_nonconst_call.
9174 2000-01-04 Matthew Hiller <hiller@redhat.com>
9176 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9179 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9181 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9182 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9184 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9186 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9187 (flag_short_double, flag_short_wchar): Define.
9188 (c_common_nodes_and_builtins): Create many tree nodes shared
9189 between C and C++ here instead of in cp/decl.c and ...
9190 * c-decl.c (init_decl_processing): ... here.
9191 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9192 (flag_short_double, flag_short_wchar): Don't define.
9193 (record_builtin_type): New function.
9194 (build_void_list_node): New function.
9195 * c-common.h (flag_short_double, flag_short_wchar,
9196 record_builtin_type, build_void_list_node): Declare.
9198 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9200 * integrate.c (expand_inline_function): Don't put a virtual
9201 register into the reg map.
9203 * function.c (fixup_var_refs_1): If force_operand didn't put
9204 the address into the target, move it there.
9206 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9208 Special-case tree_decl/tree_list allocations.
9209 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9210 (OBJECT_SIZE): New macro.
9211 (NUM_EXTRA_ORDER): Likewise.
9212 (extra_order_size_table): New variable.
9213 (NUM_ORDERS): New macro.
9214 (objects_per_page_table): New variable.
9215 (object_size_table): New variable.
9216 (G.pages): Use NUM_ORDERS to bound the array.
9217 (G.page_tails): Likewise.
9218 (DIV_ROUND_UP): Remove.
9219 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9220 (alloc_page): Use OBJECT_SIZE.
9221 (size_lookup): Don't make it const.
9222 (ggc_alloc): Use OBJECT_SIZE.
9223 (ggc_set_mark): Likewise.
9224 (ggc_get_size): Likewise.
9225 (init_ggc): Set up the object_size_table, objects_per_page_table,
9226 and adjust size_lookup.
9227 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9228 (ggc_pop_context): Use NUM_ORDERS.
9229 (clear_marks): Likewise.
9230 (sweep_pages): Likewise.
9231 (poison_pages): Likewise.
9232 (ggc_print_statistics): Use OBJECT_SIZE.
9234 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9236 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9237 Only call array_size_for_constructor if last field and array type
9238 with no upper bound.
9240 2001-01-04 Philip Blundell <philb@gnu.org>
9242 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9243 from bit 31 downwards, if this requires no more insns.
9244 (count_insns_for_constant): New helper function for above.
9246 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9248 * gencodes.c (output_predicate_decls): Remove empty initializer.
9250 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9252 * tree.c (copy_node): Remove documentation about obstacks.
9253 (buidl1): Check that nobody tries to build 2-argument nodes this
9256 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9258 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9261 * gencodes.c (output_predicate_decls): Fill empty initializer
9264 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9266 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9267 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9269 (do_include): Handle missing headers like cpp0.
9270 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9271 paths with first include pathname. Don't strcat to uninitialized
9274 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9276 * regrename.c (regrename_optimize): Don't rename from frame pointer
9277 if frame_pointer_needed.
9278 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9279 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9280 (ia64_reorg): Use it instead of scheduling if ! optimize.
9281 (errata_emit_nops): Properly call asm_noperands.
9282 (ia64_sched_reorder): Finish cycle if we see an asm.
9283 (ia64_variable_issue): Clear scheduling state after asms.
9285 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9287 * cpp.texi: Update for -MT.
9288 * cppinit.c (initialize_dependency_output): Add a default
9289 target if none has been given already.
9290 (no_tgt, OPT_MT): New.
9291 (cpp_handle_option): Handle -MT. Update -M etc.
9292 * cpplib.h (struct cpp_options): Remove deps_target.
9293 * gcc.c (cpp_options): Handle -MT.
9294 * mkdeps.c (struct deps): Move from mkdeps.h.
9295 (deps_calc_target): Rename deps_add_default_target. Add a
9296 default target if none has been specified already.
9297 * mkdeps.h (struct deps): Move to mkdeps.c.
9298 (deps_calc_target): Rename deps_add_default_target.
9300 2000-01-03 Richard Henderson <rth@redhat.com>
9302 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9304 * c-typeck.c (push_init_level): Move checks for flexible array
9305 members and zero length arrays ...
9306 (pop_init_level): ... here. Silently discard empty initializations.
9308 * varasm.c (output_constructor): Update for sizeof change to
9311 * extend.texi (Zero Length): Clarify semantics.
9313 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9315 * configure.in (tm.h): Include isns-codes.h last.
9316 * configure: Rebuilt.
9318 2001-01-03 Richard Henderson <rth@redhat.com>
9320 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9321 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9323 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9325 * tradcpp.c (main): Make sure finclude() is called with a valid
9326 indepth value while handling -include.
9328 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9330 * gencodes.c (output_predicate_decls): New function.
9332 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9333 even if it is not the first time machmode.h is #included.
9334 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9335 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9336 * gcc.texi (Copyright): Added 2001.
9338 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9340 * c-common.c (c_common_lang_init): New function. Warn if format
9341 warning options which only have effects when used with -Wformat
9342 are used without -Wformat.
9343 * c-common.h (c_common_lang_init): Declare.
9344 * c-lang.c (lang_init): Call c_common_lang_init.
9345 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9347 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9349 * configure.in: Check for the mktemp command.
9350 * configure: Regenerate.
9351 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9352 $TEMP. Create temporary files with mktemp, if available at
9353 configure time; otherwise use set -C. Remove temporary files
9356 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9358 * configure.in: Require at least texinfo 4.0. Check for whether
9359 Pod::Man is sufficiently recent to regenerate GCC manpages.
9360 * configure: Regenerate.
9361 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9363 (GENERATED_MANPAGES): Define.
9364 (generated-manpages): New target. Depend on cpp.1 as well as
9366 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9367 configure to generated-manpages or empty) rather than on the
9368 manpages directly. Remove execute permission from installed
9369 gcov.1 as well as cpp.1.
9370 * cpp.1, gcov.1: Regenerate.
9372 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9374 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9375 tree_low_cst. Allow using cmpstrsi in more cases.
9377 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9379 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9382 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9384 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9385 * Makefile.in (HOST_CFLAGS): Mention build-make.
9387 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9389 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9392 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9394 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9397 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9400 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9401 reg_base_value and reg_known_value arrays.
9402 (init_alias_analysis): Add more cases to detect known values.
9403 * sched-deps.c (deps_may_trap_p): New function.
9404 (sched_analyze_2): Use it.
9406 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9408 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9409 don't discard an ASHIFTRT if we're shifting in a wider mode.
9411 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9413 * toplev.c (rest_of_compilation): Don't print basic block information
9414 when CFG isn't up to date.
9416 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9418 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9419 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9420 (UNALIGNED_SHORT_ASM_OP): Define.
9421 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9423 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9425 * fold-const.c (fold_convert): Fix typo.
9427 2001-01-02 Richard Henderson <rth@redhat.com>
9429 * c-common.h (ASM_INPUT_P): New.
9430 * c-parse.in (asm): Set it when needed.
9431 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9432 existance of an operand.
9434 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9436 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9437 (dwarf2out_frame_debug_expr): Likewise.
9438 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9440 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9442 * i386.c (ix86_split_to_parts): Return number of part required;
9444 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9446 (ix86_split_long_move): Use number of part returned
9447 by ix86_split_to_parts
9448 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9450 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9451 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9452 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9453 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9454 (ALIGN_MODE_128): Add TFmode.
9455 (IS_STACK_MODE): Likewise.
9456 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9457 (HARD_REGNO_OK): Support TFmodes.
9458 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9459 * i386.md (scheduler definitions): Use memory operand to determine
9460 fst/fld instructions; use mode attribute to determine real mode of
9462 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9463 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9465 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9467 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9469 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9471 * expr.c (store_constructor_field): Update ALIGN before calling
9474 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9476 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9479 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9481 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9484 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9486 * c-decl.c (start_function): Don't warn on third parameter to main.
9488 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9490 * tsystem.h: Define HAVE_DECL_GETOPT.
9492 2001-01-02 Philip Blundell <pb@futuretv.com>
9494 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9497 2001-01-02 Richard Henderson <rth@redhat.com>
9499 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9501 2001-01-02 Andreas Jaeger <aj@suse.de>
9503 * c-decl.c (c_decode_option): Remove support of
9506 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9507 (W_options): Add -Wmissing-noreturn here.
9509 * flow.c: Define lang_missing_noreturn_ok_p.
9510 (check_function_return_warnings): Use it.
9512 * c-common.h: Declare lang_missing_noreturn_ok_p.
9514 * c-lang.c (c_missing_noreturn_ok_p): New function.
9515 (lang_init): Set lang_missing_noreturn_ok_p.
9517 * invoke.texi (Warning Options): Document this.
9519 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9521 * extend.texi (C++ Extensions): New node for C++ attributes;
9522 describe init_priority and com_interface.
9523 * invoke.texi: Remove -finit-priority as it now has zero effect.
9524 * install.texi: Fix xref syntax.
9525 * md.texi: Likewise.
9527 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9529 * config.gcc (sparc64-wrs-vxworks*): New case.
9530 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9532 * config/sparc/sparc.c (sparc_override_options): Do support different
9533 pointer and architecture size.
9534 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9535 (POINTERS_EXTEND_UNSIGNED): Define.
9536 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9537 (FUNCTION_MODE): Define to be Pmode.
9538 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9540 * function.c (expand_function_end): Properly handle DECL_RESULT
9541 and copy when ptr_mode != Pmode.
9542 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9544 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9546 * c-common.c (c_common_nodes_and_builtins): Set prototype
9547 parameters for __builtin_fputs, __builtin_fputc and
9548 __builtin_fwrite. Don't declare plain fputc as a builtin.
9550 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9552 * loop.c (add_label_notes): Increment the label usage count when
9553 a note is added to an insn which refers to a CODE_LABEL.
9554 * gcse.c (add_label_notes): Likewise.
9556 2001-01-01 Andreas Jaeger <aj@suse.de>
9558 * loop.c (scan_loop): Use xmalloc to allocate movables.
9560 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9562 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9563 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9564 * reload1.c (REGISTER_MOVE_COST): Likewise.
9565 * regclass.c (REGISTER_MOVE_COST): Likewise.
9566 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9567 dimension. Adjust all users.
9568 (init_reg_sets_1): Iterate on all modes.
9569 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9570 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9571 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9572 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9573 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9574 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9575 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9576 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9577 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9578 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9579 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9580 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9581 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9582 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9583 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9584 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9585 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9586 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9587 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9588 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9589 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9590 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9591 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9592 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9593 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9594 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9595 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9597 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9599 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9600 arg VARIES_P. Call it with extra arg.
9601 (true_dependence): Likewise.
9602 * rtl.h (rtx_addr_can_trap_p): Declare.
9603 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9605 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9606 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9607 pic offset table register if it's zero. All callers changed.
9608 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9610 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9612 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9613 STRING_POOL_ADDRESS_P.
9615 * config/sparc/sparc.c (input_operand): Properly test for short op.
9617 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9618 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9619 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9620 * config/sparc/elf.h: No longer include sol2.h.
9621 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9622 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9624 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9626 2001-01-01 Michael Hayes <mhayes@redhat.com>
9628 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9629 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9630 (record_initial): Likewise.
9631 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9632 (remap_split_bivs): Likewise.
9634 2001-01-01 Michael Hayes <mhayes@redhat.com>
9636 * loop.c (loop_ivs_free): New function.
9637 (strength_reduce): Break out from...
9639 2001-01-01 Michael Hayes <mhayes@redhat.com>
9641 * loop.h (struct iv): New.
9642 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9643 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9644 'reg_biv_class' fields with 'regs' and 'n_regs'.
9645 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9646 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9647 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9649 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9651 * resource.c (mark_referenced_resources): Abort() before
9652 attempting to mark a pseudo register.
9653 (mark_set_resources): Likewise.
9655 2001-01-01 Michael Hayes <mhayes@redhat.com>
9657 * loop.h (REG_IV_CLASS): New accessor macro.
9658 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9659 * unroll.c (REG_IV_CLASS): Likewise.
9661 See ChangeLog.4 for earlier changes.