1 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
3 * Makefile.in (install-headers): Remove redundant dependency.
5 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
7 * c-tree.texi (USING_STMT): Document.
9 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
12 * c-common.c: Likewise.
14 * combine.c: Likewise.
19 * fold-const.c: Likewise.
20 * function.c: Likewise.
23 * integrate.c: Likewise.
25 * objc/objc-act.c: Likewise.
27 * reg-stack.c: Likewise.
29 * reload1.c: Likewise.
30 * simplify-rtx.c: Likewise.
34 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
36 * diagnostic.def: New file.
37 * diagnostic.h (diagnostic_t): New enum.
38 * Makefile.in (diagnostic.o): Depend on diagnostic.def
40 2001-04-30 Zack Weinberg <zackw@stanford.edu>
42 * tsystem.h: Test only POSIX for availability of string.h
44 * config.gcc (all systems): If USG appeared in xm_defines,
45 change it to POSIX. If both USG and POSIX appeared, just
46 delete USG. Remove unnecessary quotes around xm_defines
48 (m68k-crds-unos*): Don't #define unos - tested nowhere.
49 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
50 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
51 powerpc-*-linux*): No need to set xm_defines - handled by
52 global settings for *-*-linux*.
54 2001-04-30 Zack Weinberg <zackw@stanford.edu>
56 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
57 Always include gstab.h, not system stab.h. Don't provide
58 default definitions of N_CATCH or N_OPT. Always use the
59 gstab.h variant of STAB_CODE_TYPE.
60 * final.c: Don't include stab.h/gstab.h at all, or provide
61 defaults for N_SLINE and N_SOL.
63 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
64 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
66 * sdbout.c: Always include gsyms.h instead of system syms.h.
68 * configure.in: No need to check for stab.h.
69 * configure, config.in: Regenerate.
70 * Makefile.in (final.o): Don't depend on gstab.h.
72 2001-04-30 Mark Mitchell <mark@codesourcery.com>
73 Richard Henderson <rth@redhat.com>
75 * extend.texi: Improve documentation of volatile asms.
77 2001-04-30 Mark Mitchell <mark@codesourcery.com>
79 * c-tree.texi: Fix thinko.
82 2001-04-30 Richard Henderson <rth@redhat.com>
84 * c-common.c (c_promoting_integer_type_p): New function, from the
85 corpse of old macro. Properly promote too-small enumerations and
86 booleans. Adjust all callers.
87 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
88 (c_promoting_integer_type_p): Declare.
89 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
90 * c-typeck.c: Likewise.
91 (default_conversion): Remove now redundant boolean check.
93 2001-04-30 Jan Hubicka <jh@suse.cz>
94 Richard Henderson <rth@redhat.com>
96 * regmove.c (try_apply_stack_adjustment): Remove now redundant
98 (combine_stack_adjustments_for_block): Don't combine stack
99 allocation followed by deallocations. Handle grow-up stacks.
101 2001-04-30 Mark Mitchell <mark@codesourcery.com>
103 * fdl.texi: New file.
104 * c-tree.texi: Use the GFDL.
105 * gcc.texi: Likewise.
107 2001-04-30 Stan Shebs <shebs@apple.com>
109 * invoke.texi: Add a section documenting Objective-C options.
111 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
113 * emit-rtl.c (try_split): Copy EH notes to sequence.
115 2001-04-30 Mark Mitchell <mark@codesourcery.com>
117 * regmove.c (record_stack_memrefs): Catch all references to the
120 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
122 * Makefile.in(stmp-fixinc): quote shell assignment values
124 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
126 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
130 * prefix.c: Likewise.
132 2001-04-28 Stan Shebs <shebs@apple.com>
134 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
135 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
136 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
137 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
139 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
140 (NEXT_OBJC_RUNTIME): Define.
142 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
144 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
145 * simplify-rtx.c (simplify_gen_relational): Likewise.
147 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
149 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
150 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
152 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
153 registers in SSE case; fix handling of the immediates.
154 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
155 operands to be in regsiters before reload.
156 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
157 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
158 (abstf,absxf,negtf,negxf splitters): Compute
159 properly the regnum for x86_64.
160 (avsdf2_if_rex64): New.
162 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
164 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
165 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
166 into the constant pool.
167 * jump.c (jump_optimize_1): Remove barrier successors after all
168 the LABEL_NUSES counds have been computed.
169 (delete_barrier_successors): When deleting a tablejump insn, also
170 delete the jump table it uses.
171 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
174 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
176 * pa.c (FRP): Remove erroneous white space in macro definition.
178 2001-04-28 Andreas Jaeger <aj@suse.de>
180 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
182 * extend.texi: Likewise.
185 2001-04-28 Andreas Jaeger <aj@suse.de>
187 * md.texi: Use XX-bit instead of XXbit or XX bit where
190 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
192 * gcc.c (process_command): Allow -l lib in addition to -llib
193 for POSIX compliance. This fixes PR c/2347.
195 * invoke.texi: Update section on Link Options accordingly.
197 2001-04-27 Zack Weinberg <zackw@stanford.edu>
199 * function.c (purge_addressof_1): Remove the duplicate
200 if (code == SET) block. Fold the two if (code == ADDRESSOF)
203 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
205 * except.c (expand_eh_region_start): Don't start a new block.
206 (expand_eh_region_end): Don't end a block.
207 * stmt.c (expand_end_bindings): Don't end EH blocks.
208 (expand_decl_cleanup): Starting an EH region won't change the block.
209 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
210 (is_eh_region): Lose.
213 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
215 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
217 * collect2.c (main): Add `-L' case to remove duplicate entries.
218 (is_in_args): New function to check for a duplicate argument.
219 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
220 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
221 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
222 Define to be nonzero.
224 2001-04-27 Andreas Jaeger <aj@suse.de>
225 Richard Henderson <rth@redhat.com>
227 * md.texi (Machine Constraints): Document additional i386
228 constraints and fix description of "A".
230 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
232 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
234 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
236 * except.c (get_exception_filter): word_mode, not Pmode.
238 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
240 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
241 common to other movsf patterns. Move up so that in future
242 people who change the other patterns will change it too.
243 (movsf_lo_sum): Allow even for soft-float; add appropriate
245 (movsf_high): Likewise.
246 (movsf_high+1): Allow even for soft-float.
248 * function.c (expand_function_end): Always clobber the
249 return registers, even if there is no return label.
251 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
253 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
255 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
257 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
258 (pushqi2_rex64, pushhi2_rex64): Add.
260 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
262 * except.c (expand_eh_region_end_cleanup): Force pending stack
263 adjust before emitting label that branches around cleanup code.
265 2001-04-26 H.J. Lu (hjl@gnu.org)
267 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
269 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
271 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
272 (ASM_OUTPUT_SECTION_NAME): Likewise.
273 (ASM_WEAKEN_LABEL): Likewise.
274 (UNIQUE_SECTION): Likewise.
275 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
276 (ASM_OUTPUT_DESTRUCTOR): Likewise.
277 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
278 (ASM_OUTPUT_SECTION_NAME): Likewise.
279 (ASM_WEAKEN_LABEL): Likewise.
280 (UNIQUE_SECTION): Likewise.
281 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
282 (ASM_OUTPUT_DESTRUCTOR): Likewise.
283 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
284 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
285 (ASM_FILE_START): Likewise.
286 (ASM_OUTPUT_SOURCE_LINE): Likewise.
287 (ASM_DECLARE_OBJECT_NAME): Likewise.
288 (ASM_FILE_END): Likewise.
289 (ASM_DECLARE_FUNCTION_NAME): Likewise.
290 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
291 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
292 (ASM_OUTPUT_CASE_LABEL): Likewise.
293 (ASM_OUTPUT_SKIP): Likewise.
294 (ASM_OUTPUT_ASCII): Likewise.
295 (ASM_OUTPUT_IDENT): Likewise.
296 (READONLY_DATA_SECTION): Likewise.
297 (EXTRA_SECTIONS): Likewise.
298 (EXTRA_SECTION_FUNCTIONS): Likewise.
299 (SELECT_RTX_SECTION): Likewise.
300 (SELECT_SECTION): Likewise.
302 * config/mips/linux.h (INVOKE__main): Undefine.
303 (CTOR_LIST_BEGIN): Likewise.
304 (CTOR_LIST_END): Likewise.
305 (DTOR_LIST_BEGIN): Likewise.
306 (DTOR_LIST_END): Likewise.
307 (SET_ASM_OP): Defined it to ".dummy".
308 (ASM_OUTPUT_DEF): Defined.
309 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
311 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
313 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
314 assembler supports .p2align.
316 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
318 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
320 2001-04-26 Jakub Jelinek <jakub@redhat.com>
322 * integrate.c (expand_inline_function): Check for error_mark_node
325 2001-04-26 Jakub Jelinek <jakub@redhat.com>
327 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
330 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
332 * configure.in (configargs.h): Define thread_model.
333 * configure: Rebuilt.
334 * gcc.c (main): Print it with -v.
336 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
338 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
339 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
342 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
344 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
345 is_redundant_typedef): Use static inline instead of inline static.
347 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
349 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
350 this directory is always searched.
352 2001-04-25 Richard Henderson <rth@redhat.com>
354 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
355 of registers to restore along non eh_return path.
357 2001-04-25 Jakub Jelinek <jakub@redhat.com>
359 * c-format.c (check_format_info_recurse): Handle
360 PLUS_EXPR for format string.
362 2001-04-25 Jakub Jelinek <jakub@redhat.com>
364 * config/ia64/ia64.h (CC1_SPEC): Define.
365 * config/ia64/linux.h (CC1_SPEC): Define.
367 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
369 * emit-rtl.c (constant_subword): Also do sign extension in
370 BITS_PER_WORD == 16 case.
372 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
374 * loop.c (try_swap_copy_prop): Go back to checking insn.
376 2001-04-25 Jakub Jelinek <jakub@redhat.com>
378 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
379 if check_mode is non-zero.
381 2001-04-25 Jakub Jelinek <jakub@redhat.com>
383 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
384 out and comparison sequence has been detected, put result into
385 proper temporary pseudo.
387 2001-04-24 Zack Weinberg <zackw@stanford.edu>
389 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
390 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
391 * libgcc2.c: Remove __dummy and __builtin_saveregs.
392 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
393 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
394 for future reference.
396 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
398 * except.c (reachable_handlers): Step out one level from a RESX.
400 * except.c (struct eh_region): Rename 'last' to 'resume'.
401 (mark_eh_region, duplicate_eh_region_1): Adjust.
402 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
403 (build_post_landing_pads): Likewise.
404 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
405 (expand_eh_region_end_must_not_throw): Likewise.
406 (connect_post_landing_pads): Thread (only) regions with non-deleted
409 * except.c (expand_eh_region_end_cleanup): Save the EH return data
410 registers around the cleanup.
411 (get_exception_filter): New fn.
412 (finish_eh_generation): Use it.
414 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
416 * c-semantics.c (add_scope_stmt): Don't call
417 current_scope_stmt_stack multiple times.
419 2001-04-24 Zack Weinberg <zackw@stanford.edu>
420 Nathan Sidwell <nathan@codesourcery.com>
422 Lazy __FUNCTION__ generation.
423 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
424 RID_C99_FUNCTION_NAME): New _RIDs.
425 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
426 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
427 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
429 (function_id_node, pretty_function_id_node, func_id_node): Remove.
430 (c99_function_name_decl_node, function_name_decl_node,
431 pretty_function_name_decl_node, saved_function_name_decls):
433 (struct language_function): Remove x_function_name_declared_p.
434 (make_fname_decl): Remove a parameter.
435 (declare_function_names): Remove prototype.
436 (start_fname_decls, finish_fname_decls): Prototype.
437 (fname_as_string): Likewise.
438 (fname_string, fname_decl): Likewise.
439 * c-common.c (make_fname_decl): Adjust.
440 (struct fname_var_t): New struct.
441 (fname_vars): New static array.
442 (declare_function_name): Remove.
443 (start_fname_decls, finish_fname_decls): New functions.
444 (fname_as_string): New function from remnants of
445 declare_function_name.
446 (fname_string, fname_decl): New functions.
448 * c-decl.c (c_function_name_declared_p): Remove.
449 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
450 don't call declare_function_name. Call start_fname_decls.
451 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
452 clobber the line number. Call finish_decl.
453 (start_function): Call start_fname_decls.
454 (finish_function): Call finish_fname_decls.
455 Remove c_function_name_declared_p.
456 (push_c_function_context): Don't push c_function_name_declared_p.
457 (pop_c_function_context): Don't pop c_function_name_declared_p.
458 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
459 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
460 (program): Call finish_fname_decls for C.
461 (primary): Add VAR_FUNC_NAME.
462 (reswords): Add slots for __FUNCTION__ et al.
463 (rid_to_yy): Add mappings for __FUNCTION__ et al.
464 (yylexname): If it's a STRING_FUNC_NAME generate the function name
465 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
466 * c-semantics.c (prune_unused_decls): Remove.
467 (finish_stmt_tree): Don't call prune_unused_decls.
468 (genrtl_decl_stmt): Don't prune unused decls here.
470 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
472 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
473 constant pool, use the pool's SYMBOL_REF instead.
475 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
478 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
480 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
481 passing nested NOP_EXPRs to fold.
483 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
485 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
487 2001-04-22 Mark Mitchell <mark@codesourcery.com>
489 * loop.c (loop_delete_insns): Add prototype.
491 2001-04-23 Phil Edwards <pme@sources.redhat.com>
493 * configure.in: Remove ENABLE_STD_NAMESPACE.
494 * config.in: Regenerated.
495 * configure: Regenerated.
497 2001-04-22 Stan Shebs <shebs@apple.com>
499 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
501 * config/rs6000/xm-darwin.h: Remove file.
503 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
505 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
506 (write_c_file_stat): Likewise.
508 * dbxout.c (dbxout_init): Likewise.
510 * profile.c (output_func_start_profiler): Likewise.
512 2001-04-22 Philipp Thomas <pthomas@suse.de>
514 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
515 require it instead of the CVS version.
516 * cpperror.c (v_message): Put a blank before the macro
517 body to not confuse exgettext.
519 2001-04-21 Mark Mitchell <mark@codesourcery.com>
521 * flow.c (proagate_one_insn): Remove useless assignment.
522 * jump.c (delete_insn): Tidy.
523 * loop.c (try_copy_prop): When deleting an instruction with a
524 REG_RETVAL note, delete the entire libcall sequence.
525 (loop_delete_insns): New function.
526 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
527 we're not substituting into them yet.
529 2001-04-21 Kazu Hirata <kazu@hxi.com>
531 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
533 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
535 * config/i960/i960.c (signed_arith_operand): Likewise.
537 * calls.c (expand_call): Fix a comment typo.
539 2001-04-20 Zack Weinberg <zackw@stanford.edu>
541 * configure.in: Probe for times, clock, struct tms, and clock_t.
542 * configure, config.in: Regenerate.
543 * timevar.c: Replace ifdef forest in get_time with (relatively)
544 straightforward series of checks based on autoconf's probes.
546 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
548 * config/pa/som.h (NM_FLAGS): Define.
550 2001-04-20 Bernd Schmidt <bernds@redhat.com>
552 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
554 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
555 * ia64.c (nop_cycles_until): New function.
556 (prev_cycle, prev_first, last_issued): New static variables.
557 (ia64_sched_reorder): Additional arg for clock.
558 On final scheduling pass, emit extra NOPs as needed.
559 Set prev_first and prev_cycle.
560 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
561 (ia64_variable_issue): Set last_issued.
563 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
565 * config/i386/i386.c (ix86_expand_int_movcc,
566 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
568 2001-04-20 Geoff Keating <geoffk@redhat.com>
570 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
571 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
572 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
573 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
574 ctrdi_internal6): In the short-branch case, this insn is only 4
575 bytes long. Reported by Reza Yazdani <reza@apple.com>.
577 2001-04-20 Jakub Jelinek <jakub@redhat.com>
579 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
580 "=u" is used together with "st" resp. "st(1)" clobber.
582 2001-04-20 Jakub Jelinek <jakub@redhat.com>
584 * gcse.c (gcse_main): Fix comment typo.
585 (delete_null_pointer_check): Likewise.
586 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
587 * cse.c (cse_insn): Likewise.
588 * function.c (fixup_var_refs_insns_with_hash): The sequence is
591 2001-04-19 Zack Weinberg <zackw@stanford.edu>
593 * toplev.c: Excise all code for the undocumented -dm option.
594 (float_signal): Call signal just once, unconditionally.
596 2001-04-19 Geoff Keating <geoffk@redhat.com>
598 * fold-const.c (fold): Use first_rtl_op rather than
599 TREE_CODE_LENGTH when looping over parameters of a tree.
600 Correct strange grouping in test for evaluated SAVE_EXPR.
602 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
604 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
605 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
607 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
608 name at 32 total characters.
609 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
610 functions in named sections -- data items can still go into unique
611 sections, but they have normal names (ie $LIT$ and $DATA$).
613 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
616 2001-04-19 DJ Delorie <dj@redhat.com>
618 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
619 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
620 * config/i386/cygwin.h: Likewise.
621 * config/i386/mingw32.h: Likewise.
622 * config/vax/vms.h: Likewise.
623 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
625 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
626 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
627 * config/i386/xm-cygwin.h: Likewise.
628 * config/i386/xm-djgpp.h: Likewise.
629 * config/i386/xm-mingw32.h: Likewise.
630 * config/vax/xm-vms.h: Likewise.
632 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
633 instead of OBJECT_SUFFIX.
634 * collect2.c (find_a_file): Look for files matching the extension
635 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
636 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
637 TARGET_EXECUTABLE_SUFFIX.
638 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
639 (make_relative_prefix): Likewise.
640 (convert_filename): Use TARGET_ suffixes throughout. Remove
642 (process_command): Likewise.
643 (do_spec_1): Likewise.
644 * java/lang.c (init_parse): Likewise.
646 * gcc.texi : Document four new options matching the pattern
647 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
648 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
649 documentation for NO_AUTO_EXE_SUFFIX.
651 2001-04-19 Mark Mitchell <mark@codesourcery.com>
653 * toplev.h (struct lang_hooks): Allow decode_option to indicate
654 that language-independent processing should not be done.
655 * toplev.c (main): Adjust accordingly.
657 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
658 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
660 * mips.md (reload_outputdi): Require that operand0 be a
663 2001-04-19 Jakub Jelinek <jakub@redhat.com>
665 * invoke.texi (-Wshadow): Clarify.
667 2001-04-18 Mark Mitchell <mark@codesourcery.com>
669 * loop.c (load_mems): Examine all the instructions in the loop
670 before concluding that all jumps branch to the first instruction
673 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
675 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
677 2001-04-18 Jakub Jelinek <jakub@redhat.com>
679 * cpp.texi (-Wwhite-space): Remove.
680 (-Wall): -Wall does not imply -Wwhite-space.
682 2001-04-17 Zack Weinberg <zackw@stanford.edu>
684 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
685 use it instead of blindly generating a .stabs.
686 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
688 * xcoffout.c: Don't bother defining default for N_CATCH.
689 (UNKNOWN_STAB): Use internal_error.
690 (stab_to_sclass): Remove now-unnecessary aborts.
691 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
693 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
695 * jump.c (mark_all_labels): Canonicalize the tail recursion
696 label attached to CALL_PLACEHOLDER insns.
698 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
700 * output.h (dump_flow_info, free_basic_block_vars,
701 which_alternative): Delete redundant prototypes.
703 * rtl.h (bss_section): Likewise.
705 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
707 * dbxout.c (N_OPT): Define if not available from <stab.h>
709 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
711 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
712 libraries and native K&R compilers.
714 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
716 * c-typeck.c (convert_arguments): Don't check for width changes
719 * invoke.texi (-Wtraditional): Update documentation.
721 2001-04-16 Zack Weinberg <zackw@stanford.edu>
723 * toplev.c (output_lang_identify): Delete.
724 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
725 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
726 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
727 after calling ASM_FILE_END.
729 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
730 Instead, unconditionally emit an N_OPT stab with string equal
731 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
733 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
735 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
736 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
737 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
738 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
739 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
740 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
741 config/i370/i370.h, config/i386/beos-elf.h,
742 config/i386/osf1elf.h, config/i386/osfrose.h,
743 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
744 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
745 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
746 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
747 config/mips/iris6.h, config/mips/osfrose.h,
748 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
749 config/sparc/sp64-elf.h:
750 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
751 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
753 * config/elfos.h, config/freebsd.h, config/linux.h,
754 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
755 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
756 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
757 of ASM_FILE_START which merely emit a .version directive. Delete
758 definitions of ASM_FILE_END which merely emit an .ident directive.
760 * config/avr/avr.h, config/vax/vax.h: Delete definition of
761 ASM_IDENTIFY_GCC and move part of its logic into
764 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
765 config/sparc/linux-aout.h: Don't emit .version directive in
768 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
769 (output_file_start): Correct comment.
771 * config/i386/osfrose.h: Don't emit trailing .ident directive.
772 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
774 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
775 * config/rs6000/aix.h: Correct comment.
777 * config/i386/i386afe.h: Delete.
778 * config.gcc: Remove references to i386afe.h.
780 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
781 other macros deleted by this patch were undocumented.
783 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
785 * pa.md (reload_outdi): Operand 0 must be a non hard register.
787 * pa.c (secondary_reload_class): SAR<->FP copies require a
790 * install.texi (mips-mips-bsd): Update list of functions
791 required to include memmove.
792 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
793 used functions to include memmove.
795 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
797 * i386.md (sqrtdf2): SFmode should be DFmode.
799 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
801 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
802 (find_moveable_store): Likewise.
804 2001-04-15 Jim Wilson <wilson@redhat.com>
806 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
808 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
810 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
811 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
813 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
815 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
818 2001-04-14 Alan Modra <amodra@one.net.au>
820 * pa.c (force_mode): New function.
821 (emit_move_sequence): Use it instead of generating new rtx_REGs.
823 2001-04-13 Jim Wilson <wilson@redhat.com>
825 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
826 (first_instruction): New static variable.
827 (rtx_needs_barrier): Return 1 for alloc.
828 (init_insn_group_barriers): Set first_instruction.
829 (rws_sum): Delete duplicate definition.
830 (group_barrier_needed_p): Return 0 when first_instruction true.
831 (safe_group_barrier_needed_p): Save and restore first_instruction
832 around group_barrier_needed_p call.
834 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
836 * expr.h (enum libfunc_index): Add LTI_memmove.
837 (memmove_libfunc): Define macro.
838 * optabs.c (init_optabs): Initialize memmove_libfunc.
839 * expr.c (expand_assignment): Use memmove_libfunc instead of
842 2001-04-13 Alan Modra <alan@linuxcare.com.au>
844 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
847 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
849 * Makefile.in (reg-stack.o): Depend on reload.h.
850 (insn-attrtab.o): Depend on flags.h.
852 * genattrtab (main): Include flags.h in insn-attrtab.c.
854 * reg-stack.c: Include reload.h.
856 * sparc.h (flag_pic): Delete redundant declaration.
858 * output.h (flag_pic): Likewise.
860 * tree.h (pedantic): Likewise.
862 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
864 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
866 * jump.c, regmove.c, toplev.c: Include reload.h.
868 * reload.h (reload_cse_regs): Declare.
870 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
871 reload_cse_regs, init_reload, mark_home_live, reload,
872 init_caller_save): Delete redundant prototypes.
874 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
876 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
878 * regclass.c, ssa.c: Include expr.h.
880 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
881 gen_move_insn): Delete redundant declarations.
883 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
885 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
886 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
887 MAKEINFO and MAKEINFOFLAGS too.
888 (stage4_build): Correctly order -B flags.
890 2001-04-13 Alan Modra <amodra@one.net.au>
892 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
893 PIC_OFFSET_TABLE_SAVE_RTX.
894 (zdepi_cint_p): Describe zdepi insn.
895 Formatting and white space fixes throughout file.
897 * pa.c (uint32_operand): Don't use long constant >= 2^32.
898 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
899 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
900 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
901 (output_64bit_and): Use plain `int's for shift counts.
902 (output_64bit_ior): Likewise.
903 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
904 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
907 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
908 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
909 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
910 NEW_HP_ASSEMBLER into one. Kill warnings.
912 * pa-gas.h: Delete file.
913 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
914 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
915 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
916 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
918 * config/pa/mill32.S: New file.
919 * config/pa/mill64.S: New file.
920 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
921 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
922 * config/pa/t-linux64: New file.
923 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
924 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
925 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
927 * elfos.h (SELECT_SECTION): Undef before defining.
928 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
929 (LIB_SPEC): Remove -lmilli.
930 (DBX_REGISTER_NUMBER): Remove.
931 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
932 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
933 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
934 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
935 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
936 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
937 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
939 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
940 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
941 regs if we don't have a prototype.
942 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
943 * pa.h (TARGET_ELF32): Default to 0 if undefined.
944 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
945 EH_RETURN_HANDLER_RTX): Define.
946 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
947 (DWARF_FRAME_REGNUM): Define.
948 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
949 * pa32-linux.h: New file.
950 * pa64-linux.h: New file.
952 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
953 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
954 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
955 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
956 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
957 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
958 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
959 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
960 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
961 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
962 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
963 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
964 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
965 * pa64-hpux.h: New file.
966 (ASM_FILE_START): Correct typo.
967 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
968 * config.gcc: Modify for above.
970 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
972 * jump.c (jump_optimize_1): Don't delete dead stores here.
973 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
974 prior to running jump optimize before cse2.
976 2001-04-12 Richard Henderson <rth@redhat.com>
978 * Makefile.in (regmove.o): Depend on except.h.
979 * regmove.c: Include it.
981 2001-04-12 Stan Shebs <shebs@apple.com>
983 * objc/objc-act.c: Remove all code ifdefed with the never-used
984 macro OBJC_INT_SELECTORS.
985 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
986 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
988 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
990 * config/pa/quadlib.c: Add prototypes.
992 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
994 * bitmap.h (debug_bitmap): Delete redundant prototype.
996 * rtl.h (get_frame_size): Likewise.
998 2001-04-12 Jim Wilson <wilson@redhat.com>
1000 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
1001 to just emit an fnorm.
1003 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1005 * c-common.h (truthvalue_conversion, type_for_mode,
1006 type_for_size): Delete redundant declarations.
1008 * c-lex.h (is_class_name): Likewise.
1010 * c-tree.h (pedantic, convert, getdecls, gettags,
1011 global_bindings_p, init_decl_processing, insert_block,
1012 maybe_build_cleanup, poplevel, print_lang_decl,
1013 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
1014 set_block, incomplete_type_error, build_function_call,
1015 lvalue_or_else, mark_addressable): Likewise.
1017 * expr.h (expand_tree_builtin): Likewise.
1019 2001-04-12 Mark Mitchell <mark@codesourcery.com>
1021 * invoke.texi: Document --param max-gcse-memory.
1023 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1025 * configure.in (errno): Check for declaration.
1026 * configure, config.in: Regenerated.
1028 * system.h (errno): Only declare if not already done.
1030 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1032 * recog.c (general_operand, immediate_operand,
1033 nonmemory_operand): Require CONST_INTs to be sign-extended
1034 values for their modes.
1036 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1038 * expmed.c (store_bit_field): Truncate CONST_INTs.
1039 (expand_mult_highpart, expand_divmod): Likewise.
1040 * expr.c (convert_modes, store_field): Likewise.
1041 * integrate.c (expand_inline_function): Use promote_mode() to
1042 determine whether to convert_modes() an argument as signed
1044 * optabs.c (expand_binop): Get CONST_INT operands
1045 sign-extended for their appropriate modes.
1046 * stmt.c (emit_case_nodes): Convert node values to the
1048 (expand_end_case): Convert minval and range to the appropriate
1050 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
1051 the iteration variable.
1052 * varasm.c (immed_double_const): Don't require words to be
1053 narrower than host wide ints to properly sign-extend
1056 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
1058 * sh.md (builtin_setjmp_receiver): New expander.
1060 2001-04-12 David Edelsohn <dje@watson.ibm.com>
1062 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
1063 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
1064 for generating CONST_INT and CONST_DOUBLE.
1066 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
1068 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
1069 already sign-extended.
1070 (rs6000_emit_prologue): Make register iterator signed.
1071 (rs6000_emit_epilogue): Likewise.
1072 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
1074 (movsf split, movdf split): Sign-extend CONST_INTs.
1075 (movdi splits): Likewise.
1077 2001-04-12 Kelley Cook <kelley.cook@home.com>
1079 * config-lang.in (lang_dirs): Add in zlib.
1081 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
1083 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
1084 operands that make it to RTL.
1086 2001-04-11 Stan Shebs <shebs@apple.com>
1088 Add Darwin (Mac OS X kernel) native support.
1089 * config.gcc (powerpc-*-darwin*): Add native bits.
1090 * config/darwin.c: New file, generic Darwin support functions.
1091 * config/darwin.h: New file, generic Darwin definitions.
1092 * config/darwin-protos.h: New file, generic Darwin prototypes.
1093 * rs6000/darwin.h: New file, Darwin for PowerPC.
1094 * rs6000/t-darwin: New file, Darwin makefile fragment.
1095 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
1096 (TARGET_MACHO): Ditto.
1097 (rs6000_abi): Add ABI_DARWIN.
1098 (RS6000_REG_SAVE): Add ABI_DARWIN case.
1099 (RS6000_SAVE_AREA): Ditto.
1100 (FP_ARG_MAX_REG): Ditto.
1101 (RETURN_ADDRESS_OFFSET): Ditto.
1102 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
1104 (rs6000_emit_move): Add ABI_DARWIN cases.
1105 (print_operand): Ditto.
1106 (first_reg_to_save): Ditto.
1107 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
1108 (debug_stack_info): Ditto.
1109 (rs6000_emit_prologue): Ditto.
1110 (rs6000_emit_epilogue): Ditto.
1111 (output_profiler_hook): Ditto.
1112 (output_function_profiler): Ditto.
1113 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
1114 (output_mi_thunk): Add TARGET_MACHO case.
1115 (add_compiler_stub): Ditto.
1116 (output_compiler_stub): Ditto.
1117 (no_previous_def): Ditto.
1118 (output_call): Ditto.
1119 (machopic_output_stub): Ditto.
1120 (rs6000_machopic_legitimize_pic_address): Ditto.
1121 (toc_section): Ditto.
1122 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
1123 (macho_high): Ditto.
1126 (load_macho_picbase): Ditto.
1127 (call): Add TARGET_MACHO case to modify function.
1128 (call_value): Ditto.
1129 (call_nonlocal_sysv): Add ABI_DARWIN case.
1130 (call_value_nonlocal_sysv): Ditto.
1131 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
1133 (machopic_output_stub): Ditto.
1134 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
1136 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1138 * dwarf2out.c (modified_type_die): Don't create new types here.
1139 * tree.h (get_qualified_type): New function.
1140 (build_qualified_type): Adjust comment.
1141 * tree.c (get_qualified_type): New function.
1142 (build_qualified_type): Use it.
1144 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1146 * cpp.texi (-Wtraditional): Update description.
1148 * invoke.texi (-Wtraditional): Likewise.
1150 2001-04-11 Jim Wilson <wilson@redhat.com>
1152 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
1153 requires more than 64 bits of alignment.
1155 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
1157 * cpplib.c (do_line): Sanity check iff enable checking.
1159 2001-04-11 Richard Henderson <rth@redhat.com>
1161 * Makefile.in (insn-recog.o): Depend on toplev.h.
1162 (insn-emit.o, doloop.o): Likewise.
1163 * genrecog.c, genemit.c: Include toplev.h in generated file.
1164 * doloop.c: Include toplev.h.
1166 2001-04-11 Mark Mitchell <mark@codesourcery.com>
1168 * Makefile.in (gcse.o): Depend on params.h.
1169 * gcse.c: Include params.h.
1170 (gcse_main): Don't do GCSE if doing so will take inordinate
1172 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
1173 * params.h (MAX_GCSE_MEMORY): New macro.
1175 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1177 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
1179 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
1181 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1183 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
1185 * real.h (ereal_atof, real_value_truncate, target_isnan,
1186 target_isinf, target_negative, assemble_real, debug_real): Delete
1187 redundant prototypes.
1189 * Makefile.in (ifcvt.o): Depend on toplev.h.
1191 * c-semantics.c: Include expr.h.
1193 * ifcvt.c: Include toplev.h.
1195 * expr.h (rtx_equal_p): Delete prototype.
1197 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
1198 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
1199 eliminate_constant_term, expand_complex_abs, find_single_use,
1200 make_tree, init_expr_once, init_optabs, supports_one_only):
1203 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
1204 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
1205 expand_assignment, store_expr, emit_line_note_after,
1206 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
1208 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
1210 * sparc-protos.h: Delete redundant prototypes.
1212 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
1214 * reload.c (push_reload): Add condition missed in SUBREG byte
1217 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1219 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
1221 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
1223 * i386.md (floatsisf_sse): Fix output template
1224 * i386.c (ix86_expand_fp_movcc)
1226 * reg-stack.c (emit_pop_insn): Handle complex modes.
1227 (move_for_stack_reg): Emit proper move mode.
1228 (subst_stack_regs_pat): Handle complex modes.
1230 2001-04-11 Jakub Jelinek <jakub@redhat.com>
1232 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
1234 2001-04-10 Richard Henderson <rth@redhat.com>
1236 * libgcc2.h (__terminate_func_ptr): Remove typedef.
1237 (__pure_virtual, __terminate, __terminate_set_func,
1238 __default_terminate, __throw_type_match, __empty,
1239 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
1240 __eh_rtime_match, __unwinding_cleanup, __rethrow,
1241 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
1242 Remove prototypes of deleted functions.
1244 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1246 * c-typeck.c (convert_arguments): -Wtraditional now activates
1247 -Wconversion warnings, except for changes in signed-ness.
1248 Detect complex<->int & int<->complex conversions as well.
1250 * invoke.texi (-Wtraditional): Document it.
1252 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1254 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
1255 * flow.c (set_block_for_new_insns): Remove needless cast and
1256 properly check for unset block number.
1258 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
1260 * function.c (purge_single_hard_subreg_set): Only check REGNO if
1261 the subreg was a hard register. Pseudos are left as subregs.
1263 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1265 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
1266 (LIB2ADD_ST): New macro, pass it to mklibgcc.
1267 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
1268 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
1269 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
1271 2001-04-09 Bo Thorsen <bo@suse.co.uk>
1273 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
1275 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1277 * output.h (set_block_num): Missed it earlier, remove deprecated
1280 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1282 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
1283 (load_killed_in_block_p): Change bb parameter from int to basic_block.
1284 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
1285 (handle_rd_kill_set): Change bb parameter from int to basic_block.
1286 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
1287 (expr_killed_p): Change bb parameter from int to basic_block, pass
1288 basic_blocks instead of ints as parameters.
1289 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
1290 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
1291 from int to basic_block, pass basic_blocks instead of ints as parms.
1292 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
1293 parameter from int to basic_block, pass basic_blocks instead of ints.
1294 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
1295 (insert_insn_end_bb): Change bb parameter from int to basic_block,
1296 pass basic_blocks instead of ints.
1297 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
1298 basic_blocks instead of ints as parameters.
1299 (pre_delete): Pass basic_blocks instead of ints as parameters.
1300 (hoist_expr_reaches_here_p): Change bb parameter from int to
1301 basic_block, pass basic_blocks instead of ints.
1302 (hoist_code): Pass basic_blocks instead of ints as parameters.
1303 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
1304 Change bb parameter from int to basic_block.
1305 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
1306 (insert_insn_start_bb): Change bb parameter from int to basic_block,
1307 pass basic_blocks instead of ints.
1308 (insert_store): Pass basic_blocks instead of ints as parameters.
1309 (replace_store_insn, delete_store): Change bb parameter from int to
1310 basic_block, pass basic_blocks instead of ints.
1311 (store_motion): Pass basic_blocks instead of ints as parameters.
1313 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1315 * basic-block.h (set_new_block_for_insns): New Prototype.
1316 (set_block_num): Delete prototype.
1317 * flow.c (set_block_num): Remove obsolete function.
1318 (set_block_for_new_insns): Set BB for single or multiple insns.
1319 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1320 (process_insn_end_bb): Use set_block_for_new_insns or
1321 set_block_for_insn instead of set_block_num.
1322 (pre_insert_copy_insn): Use set_block_for_new_insns.
1323 (update_ld_motion_stores): Use set_block_for_new_insns.
1324 (insert_insn_start_bb): Use set_block_for_new_insns.
1325 (replace_store_insn): Use set_block_for_new_insns.
1327 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1328 Jeff Law <law@redhat.com>
1330 * alias.c (get_addr): Externalize.
1331 (canon_true_dependence): New function. Behaves like true_dependance
1332 except it already assumes a MEM has been canonicalized.
1333 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1334 * gcse.c (struct ls_expr): Add load/store expressions structure.
1335 (modify_mem_list, canon_modify_mem_list): New variable.
1336 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1337 load motion and store motion if requested.
1338 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1339 (free_gcse_mem): Free the modify_mem_list array.
1340 (oprs_unchanged_p): Use load_killed_in_block_p.
1341 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1342 (mems_conflict_for_gcse_p): New function. Don't kill loads
1343 with stores to themselves if its in the load/store expression list.
1344 (load_killed_in_block_p): New function.
1345 (canon_list_insert): New Function.
1346 (record_last_mem_set_info): Keep a list of all instructions which
1347 can modify memory for each basic block.
1348 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1349 (oprs_not_set_p): Use load_killed_in_block_p.
1350 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1351 (expr_killed_p): Use load_killed_in_block_p.
1352 (compute_transp): Do not pessimize memory references.
1353 (pre_edge_insert): Update stores for a load motion expression.
1354 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1355 (ldst_entry): Find or create a ldst_expr structure.
1356 (free_ldst_entry): Free memory for an individual item.
1357 (free_ldst_mems): Free entire load/store expression list.
1358 (print_ldst_list): Print debug info.
1359 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1360 (enumerate_ldsts): Assign integer values to each entry in list.
1361 (first_ls_expr): First expression in the list.
1362 (next_ls_expr): Next expression in the list.
1363 (simple_mem): Check if expression qualifies for ld/st expression list.
1364 (invalidate_any_buried_refs): Remove from expression list if its
1365 used in some other way we dont understand.
1366 (compute_ld_motion_mems): Find all potential enhanced load motion
1368 (trim_ld_motion_mems): Remove any expressions which are invalid.
1369 (update_ld_motion_stores): Copy store values to registers for loads
1370 which have been moved.
1371 (regvec, st_antloc, num_store): New global statics.
1372 (reg_set_info): Marks registers as set.
1373 (store_ops_ok): Verfies registers expressions are valid in a block.
1374 (find_moveable_store): Look for moveable stores in a pattern.
1375 (compute_store_table): Find stores in a function worth moving, maybe.
1376 (load_kills_store): Check dependance of a load and store.
1377 (find_loads): Find any loads in a pattern.
1378 (store_killed_in_insn): Check if a store is killed in an insn.
1379 (store_killed_after): Check is store killed after an insn in a block.
1380 (store_killed_before): Check is store killed before an insn in a block.
1381 (build_store_vectors): Generate the antic and avail vectors.
1382 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1383 (insert_store): Add a store to an edge.
1384 (replace_store_insn): Replace a store with a SET insn.
1385 (delete_store): Delete a store insn.
1386 (free_store_memory): Free memory.
1387 (store_motion): Perform store motion.
1388 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1389 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1390 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1391 (f_options): Add gcse-lm and gcse-sm.
1393 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1395 * i386.c (expand_fp_movcc): Fix condition reversal code.
1397 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1398 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1399 (CLASS_MAX_NREGS): Use it.
1401 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1402 handle properly complex values.
1403 (CLASS_MAX_NREGS): Likewise; update comment.
1405 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1407 * ia64.c (ia64_flag_schedule_insns2): New variable.
1408 (ia64_override_options): Initialize it. Clear
1409 flag_schedule_insns_after_reload.
1410 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1412 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1414 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1415 Do not require source to match destination anymore;
1416 Add abort to the nontrivial cases that should be handled by split.
1417 (fix_trunc?fdi): Add SSE case for x86_64.
1418 (floatdi?f): Likewise.
1419 (floatdi?f_sse): New.
1420 (fix_trunc?fdi_sse): New.
1422 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1424 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1425 (DEBUG_ARANGES_END_LABEL): Ditto.
1426 (dwarfout_init): Generate length and version fields at the start
1427 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1428 after the length field.
1429 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1430 the .debug_aranges info.
1432 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1434 * i386.c (call, call_value): Make sure that resulting call_insn
1435 does have proper second operand.
1437 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1439 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1440 function. Remove include of sys/cygwin.h.
1442 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1444 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1445 (CPP_SPEC): Always search */include/w32api for header files.
1446 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1447 (LINK_SPEC): Add "cyg" to the library search prefixes.
1449 2001-04-08 Philip Blundell <philb@gnu.org>
1451 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1453 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1455 * cpperror.c (print_location): Don't special case <stdin>.
1456 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1457 WARNING, but we don't check if we're in system headers.
1458 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1459 * cpplib.c (do_warning): Warn in system headers.
1461 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1463 * mbchar.c: Include config.h first.
1465 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1467 * config.gcc: Set default for xmake_file at top, not bottom.
1468 Change places that set xmake_file to "none" to set to the
1469 empty string instead, or remove them entirely if there is no
1470 default xmake_file for this cpu_type. Remove references to
1473 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1474 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1475 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1476 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1477 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1478 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1479 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1480 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1481 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1482 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1485 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1486 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1487 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1488 config/mips/x-sysv, config/rs6000/x-aix31:
1489 Just set CLIB to -lld or -lmld, as appropriate.
1491 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1492 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1493 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1494 config/mips/x-iris, config/pa/x-pa:
1495 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1496 OTHER_FIXINCLUDES_DIRS.
1498 * config/i386/x-djgpp: Don't set LN or LN_S.
1499 * config/m88k/x-dolph: Don't define __m88k__.
1500 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1501 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1502 * config/i860/fx2800.h: No need to #undef SVR4.
1504 38 x-host fragments remain, 2 x-cpu.
1506 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1508 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1510 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1512 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1514 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1516 * configure.in: Add check for lstat.
1517 * configure, config.in: Regenerate.
1518 * cppinit.c (append_include_chain): Make empty path ".".
1519 * cpplib.c (do_line): Don't simplify #line paths.
1520 * cppfiles.c (remove_component_p): New function.
1521 (find_or_create_entry): Acknowledge stat () errors during
1522 path simplification.
1523 (handle_missing_header): Don't simplify paths.
1524 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1525 the empty path untouched. Don't leave a trailing '/'.
1527 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1529 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1530 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1532 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1534 * cppfiles.c (open_file): Fail directories silently, but
1535 with an errno of NOENT set.
1536 (read_include_file): Move the common exit code to the sole
1537 caller. Return an int indicating success or failure. Let
1538 open_file handle directories.
1539 (stack_include_file): If read_include_file fails,
1540 push a "null" buffer.
1542 2001-04-05 DJ Delorie <dj@redhat.com>
1544 * function.h (virtuals_instantiated): Declare.
1545 * function.c: (virtuals_instantiated): Make global.
1546 * calls.c (emit_library_call_value_1): Use
1547 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1548 Otherwise, use the stack pointer directly.
1550 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1552 * i386.c (x86_initialize_trampoline): New global function.
1553 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1554 (INITIALIZE_TRAMPOLINE): Move offline.
1555 * i386-protos.h (x86_initialize_trampoline): Declare.
1557 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1559 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1560 (lea_0): Rename to lea_1.
1561 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1562 (lea_general_?): Allow SImodes on TARGET_64BIT
1563 (lea_general_?_zext): New patterns.
1564 (call_1, call_1_rex64): Fix.
1566 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1568 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1570 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1572 * i386.c (function_arg): Return constm1_rtx for last argument.
1573 (ix86_expand_prologue): Update gen_call calls.
1574 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1575 * i386.md (call_pop): Likewise.
1576 (call): Second operand is VOIDmode.
1577 (call_0): Likewise; Support 64bits.
1578 (call_exp): New expander.
1579 (call_1): Get to the sync.
1580 (call_1_exp): New pattern.
1581 (call_value): Support 64bit.
1582 (call_value_exp): New pattern.
1583 (untyped_call): Update gen_call call.
1584 (call_value_pop): Disable for 64bit.
1585 (call_value_0_rex64): New pattern.
1586 (call_value_1_rex64): Likewise.
1588 2001-04-05 Bo Thorsen <bo@suse.de>
1590 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1592 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1594 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1595 satisfies ANY_QI_REG_P.
1597 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1599 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1602 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1605 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1607 * config.gcc: Remove default for xm_file. Clean up local
1608 machine type handling. Remove settings of xm_file to
1609 something that doesn't exist. In the big switch, set xm_file,
1610 don't append to it (the value before the big switch is always
1611 null). Don't force build_xm_file or host_xm_file to have a value.
1612 * configure.in: Remove default for xm_file. Do not special
1613 case $cpu/xm-$cpu.h not existing.
1614 * configure: Regenerate.
1616 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1618 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1619 when folding integer division and modulo operations.
1621 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1623 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1624 instead of DWARF2_ADDR_SIZE for EH addresses.
1625 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1628 2001-04-04 Richard Henderson <rth@redhat.com>
1630 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1631 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1632 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1634 2001-04-04 Richard Henderson <rth@redhat.com>
1636 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1637 * configure: Rebuilt.
1639 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1641 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1642 push insns to delete to it instead of deleting them.
1643 (delete_null_pointer_checks): Delete insns from delete_list after
1644 all delete_null_pointer_checks_1 passes are done.
1646 2001-04-04 Richard Henderson <rth@redhat.com>
1648 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1649 * configure: Rebuilt.
1651 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1653 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1654 * config/romp/xm-romp.h: Delete.
1656 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1658 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1661 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1663 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1664 all labels present in rtx.
1665 (try_split) Call new function for all split insns.
1667 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1669 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1670 sure the change won't be validated.
1672 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1674 * rtl.h (set_noop_p): Declare.
1675 * flow.c (set_noop_p): Move from here ...
1676 * rtlanal.c (set_noop_p): ... to here and enhance.
1677 * cse.c (delete_trivially_dead_insns): Use it.
1678 * gcse.c (hash_scan_set): Likewise.
1679 * jump.c (delete_noop_moves): Likewise.
1680 * recog.c (split_all_insns): Likewise.
1682 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1684 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1685 stack pointer via a LO_SUM. Ditto for setting a temp register
1686 used to save to the stack. Set cfa_temp when setting fp, and
1687 allow matches to cfa_temp in addition to cfa_store when saving
1688 regs. Handle POST_INC and LO_SUM register stores. Document the
1689 changes and errors in rule 12 doco.
1691 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1692 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1693 (load_reg): Move closer to epilogue code.
1694 (DO_FRAME_NOTES): Define to control the following..
1695 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1696 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1698 (hppa_expand_epilogue): Likewise.
1700 2001-04-03 Richard Henderson <rth@redhat.com>
1702 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1703 * configure: Rebuild.
1705 2001-04-03 Richard Henderson <rth@redhat.com>
1707 * rtl.h (LCT_THROW): New.
1708 * calls.c (emit_library_call_value_1): Handle it.
1709 * except.c (connect_post_landing_pads): Use it.
1711 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1713 * gansidecl.h: Delete file.
1714 * configure.in: Change all refs to gansidecl.h to use
1715 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1717 * configure: Regenerate.
1719 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1720 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1721 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1722 Don't include gansidecl.h.
1723 * intl.c, main.c, version.c, fixinc/fixlib.h,
1724 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1727 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1729 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1732 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1734 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1735 config/i386/xm-next.h, config/i386/xm-sco.h,
1736 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1737 config/m88k/xm-m88k.h: Delete.
1739 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1740 * config/romp/xm-romp.h: Don't define bcopy.
1741 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1742 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1744 * config.gcc: Remove references to deleted files.
1746 14 xm-host.h remain, 1 xm-cpu.h.
1748 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1749 David S. Miller <davem@pierdol.cobaltmicro.com>
1750 Andrew MacLeod <amacleod@redhat.com>
1752 Use byte offsets in SUBREGs instead of words.
1754 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1755 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1756 to pass new argument.
1757 (add_stored_regs): Use subreg_regno_offset function.
1758 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1760 (precompute_arguments): Use gen_lowpart_SUBREG.
1761 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1762 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1763 (simplify_set): Rework to use SUBREG_BYTE.
1764 (expand_field_assignment): Use SUBREG_BYTE.
1765 (make_extraction): Use SUBREG_BYTE.
1766 (if_then_else_cond): Use SUBREG_BYTE.
1767 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1768 (gen_lowpart_for_combine): Compute full byte offset.
1769 * cse.c (mention_regs): Use SUBREG_BYTE.
1770 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1771 (canon_hash): Use SUBREG_BYTE.
1772 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1773 (gen_lowpart_if_possible): Formatting.
1774 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1776 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1777 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1778 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1779 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1780 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1781 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1782 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1783 certain invariants about SUBREGs the compiler creates.
1784 (gen_lowpart_SUBREG): New function.
1785 (subreg_hard_regno): New function to get the final register number.
1786 (gen_lowpart_common): Use SUBREG_BYTE.
1787 (gen_imagpart): Spacing nits.
1788 (subreg_realpart_p): Use SUBREG_BYTE.
1789 (gen_highpart): Use SUBREG_BYTE.
1790 (subreg_lowpart_p): Always compute endian corrected goal offset,
1791 even at the byte level, then compare against that.
1792 (constant_subword): New function, pulled out all constant cases
1793 from operand_subword and changed second argument name to offset.
1794 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1795 and call constant_subword to do the work. Return const0_rtx if
1796 looking for a word outside of OP.
1797 (operand_subword_force): Change second arg name to offset.
1798 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1799 (store_split_bit_field): Use SUBREG_BYTE.
1800 (extract_bit_field): Use SUBREG_BYTE.
1801 (extract_split_bit_field): Use SUBREG_BYTE.
1802 (expand_shift): Use SUBREG_BYTE.
1803 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1804 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1805 * flow.c (set_noop_p): Use SUBREG_BYTE.
1806 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1807 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1808 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1810 (optimize_bit_field): Use SUBREG_BYTE.
1811 (purge_addressof_1): Use SUBREG_BYTE.
1812 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1813 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1814 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1815 * gengenrtl.c (special_rtx): Add SUBREG.
1816 * global.c (mark_reg_store): Use SUBREG_BYTE.
1817 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1818 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1819 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1820 final byte offset is congruent to subreg's mode size.
1821 (subst_constants): Use SUBREG_BYTE.
1822 (mark_stores): Use subreg_regno_offset function.
1823 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1824 function and SUBREG_BYTE.
1825 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1826 (reg_is_born): Use subreg_hard_regno.
1827 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1828 endian correction code. Don't combine subregs unless resulting
1829 offset aligns with type. Fix subreg constant extraction for DImode.
1830 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1831 (general_operand): Remove dead mode_altering_drug code.
1832 (indirect_operand): Use SUBREG_BYTE.
1833 (constrain_operands): Use subreg_regno_offset function.
1834 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1835 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1836 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1837 * regs.h (REG_SIZE): Allow target to override.
1838 (REGMODE_NATURAL_SIZE): New macro which target can override.
1839 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1840 on the entire subreg rtx.
1841 (push_reload): Use SUBREG_BYTE in comments and code.
1842 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1843 for hard registers inside subregs.
1844 (operands_match_p): Use subreg_regno_offset.
1845 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1846 containing hard regs.
1847 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1848 corrections when fixing up MEM subregs.
1849 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1850 subreg_regno_offset where appropriate.
1851 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1852 byte endian corrections when fixing up MEM subregs.
1853 (subst_reloads): When combining two subregs, make sure final
1854 offset is congruent to subreg's mode size.
1855 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1856 (refers_to_regno_for_reload_p): Use subreg_regno.
1857 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1858 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1859 correction code for memory subreg fixups.
1860 (forget_old_reload_1): Use subreg_regno_offset.
1861 (choose_reload_regs): Use subreg_regno.
1862 (emit_input_reload_insns): Use SUBREG_BYTE.
1863 (reload_combine_note_store): Use subreg_regno_offset.
1864 (move2add_note_store): Use subreg_regno_offset.
1865 * resource.c (update_live_status, mark_referenced_resources): Use
1866 subreg_regno function.
1867 (mark_set_resources): Use subreg_regno function.
1868 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1869 (subreg_regno_offset, subreg_regno): Define prototypes.
1870 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1871 (gen_lowpart_SUBREG): Add prototype.
1872 * rtl.texi (subreg): Update to reflect new byte offset representation.
1873 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1874 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1875 (reg_overlap_mentioned_p): Use subreg_regno.
1876 (replace_regs); Make sure final offset of combined subreg is
1877 congruent to size of subreg's mode.
1878 (subreg_regno_offset): New function.
1879 (subreg_regno): New function.
1880 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1881 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1882 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1883 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1884 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1885 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1886 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1887 (print_operand): Use SUBREG_BYTE.
1888 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1889 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1890 (arm_reload_out_hi): Use SUBREG_BYTE.
1891 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1892 instead of SUBREG_WORD.
1893 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1894 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1895 SUBREG creation to use byte offset.
1896 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1897 inverted load insns): Fix explicit rtl subregs to use byte
1899 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1900 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1901 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1902 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1903 to use byte offsets.
1904 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1905 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1906 offsets, also make sure it is congruent to SUBREG's mode size.
1907 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1908 unnamed ldob insn): Generate SUBREGs with byte offset.
1909 (zero_extendqihi2): SUBREG's are byte offsets.
1910 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1911 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1912 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1913 zero-extendqisi2): Generate SUBREGs with byte offset.
1914 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1915 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1916 subregs in rtl to use byte offsets.
1917 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1918 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1919 (mips_move_2words): Use subreg_regno_offset.
1920 (mips_secondary_reload_class): Use subreg_regno_offset.
1921 * config/mips/mips.md (DImode plus, minus, move, and logical op
1922 splits): Fixup explicit subregs in rtl to use byte offsets.
1923 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1924 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1925 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1926 rtl to use byte offsets.
1927 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1928 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1929 subregs to use byte offsets.
1930 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1931 Fixup explicit subregs in rtl to use byte offsets.
1932 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1933 and remove byte endian correction code.
1934 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1935 (gen_ashift_hi): Use SUBREG_BYTE.
1936 (regs_used): Use subreg_regno_offset.
1937 (machine_dependent_reorg): Use subreg_regno_offset.
1938 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1939 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1940 (movdf_i4): Subregs are byte offsets now.
1941 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1942 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1943 (REGMODE_NATURAL_SIZE): Override.
1944 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1945 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1947 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1948 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1949 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1950 it is congruent to SUBREG's mode size.
1951 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1953 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1954 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1955 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1956 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1957 * config/v850/v850.c (print_operand, output_move_double): Use
1958 subreg_regno function.
1960 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1962 * configure.in (target_subdir): Use target_alias, not target.
1963 * configure: Rebuilt.
1965 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1967 * config/sh/crti.asm: Fix typos in comments.
1969 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1971 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1972 TARGET_FAST_INDIRECT_CALLS.
1973 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1975 (return_addr_rtx): Short circuit export stub matching when
1976 TARGET_NO_SPACE_REGS.
1977 (output_millicode_call): For out of range calls, make -fPIC
1978 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1979 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1980 * pa.md: Modify length attr calculation of all millicode insns to
1983 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1985 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1986 Require at least 2.11 in the version test. Specifically check
1987 for and reject GAS version 2.10.90.
1988 * configure: regenerate.
1990 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1992 * pa.c (override_options): Remove PIC profiling warning.
1993 (hp_profile_labelno): Delete.
1994 (hp_profile_label_rtx): Delete.
1995 (hp_profile_label_name): Delete.
1996 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1997 (output_function_prologue): Remove profiling code and all tests on
1998 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1999 merge_sp_adjust_with_store can work for PIC and profiling.
2000 (hppa_expand_epilogue): Remove profile_flag test.
2001 (hppa_can_use_return_insn_p): Likewise.
2002 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
2003 cater for PROFILE_HOOK.
2004 (hppa_profile_hook): New function.
2005 * pa.h (FUNCTION_PROFILER): Now does nothing.
2006 (PROFILE_HOOK): Define.
2007 (hppa_profile_hook): Declare.
2008 (PROFILE_BEFORE_PROLOGUE): Delete.
2009 (ASM_OUTPUT_REG_PUSH): Delete.
2010 (ASM_OUTPUT_REG_POP): Delete.
2011 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
2012 r24. Accept function name operand, and use this and a locally
2013 generated label to calculate pc-rel offset to func start.
2015 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2017 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
2018 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
2021 2001-04-03 Alan Modra <alan@linuxcare.com.au>
2023 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
2024 LO_SUM cases to where they belong.
2026 2001-04-02 Richard Henderson <rth@redhat.com>
2028 * except.h (lang_eh_type_covers): Mark extern.
2029 (lang_eh_runtime_type): Likewise.
2031 2001-04-02 Zack Weinberg <zackw@stanford.edu>
2033 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
2034 gengenrtl.c: Wrap generated header in multiple-include guard.
2035 Improve error checking.
2037 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2039 * configure.in: Don't check for putenv.
2040 * configure: Regenerate.
2041 * gcc.c (putenv): Don't define.
2042 * vax/xm-vms.h: Handle putenv.
2044 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2046 * ifcvt.c (noce_emit_move_insn): New.
2047 (noce_try_store_flag, noce_try_store_flag_constants,
2048 noce_try_store_flag_inc, noce_try_store_flag_mask,
2049 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
2050 noce_try_abs): Use it.
2051 (noce_process_if_block): Likewise.
2052 For STRICT_LOW_PART, take mode from its SUBREG.
2054 2001-04-02 Jakub Jelinek <jakub@redhat.com>
2056 * fold-const.c (fold): Before optimizing unsigned comparison with
2057 0x7fffffffU, make sure arg0 is integral type.
2059 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
2061 * c-tree.texi: Document representation of wide strings.
2063 2001-04-01 Richard Henderson <rth@redhat.com>
2065 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
2067 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
2069 * i386.md: remove obsoleted comments.
2070 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
2071 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
2072 fix output template.
2074 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
2076 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
2078 2001-03-30 Bernd Schmidt <bernds@redhat.com>
2080 * loop.c (load_mems): When generating a load from a pseudo, update
2083 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
2085 * i386.c (ix86_split_long_move): Use change address to compensate
2086 stack pointer change in push instruction.
2088 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2090 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
2091 instead of rtx_equal_p; fix the output template.
2093 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2095 * i386.c (ix86_expand_setcc): Support 64bit.
2096 (ix86_expand_int_movcc): Likewise.
2097 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
2100 * i386.md (allocate_stack_worker): Turn to expander.
2101 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
2103 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
2105 2001-03-29 Richard Henderson <rth@redhat.com>
2107 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
2109 2001-03-28 Matthew Hiller <hiller@redhat.com>
2111 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
2114 * MAINTAINERS: Added self.
2116 2001-03-28 Richard Henderson <rth@redhat.com>
2118 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
2119 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
2121 2001-03-28 Jim Wilson <wilson@redhat.com>
2123 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
2126 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2128 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
2130 * tradcif.y (yyerror): Likewise. Add format specifier in call to
2133 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
2135 2001-03-28 DJ Delorie <dj@redhat.com>
2137 * Makefile.in (stage1_build): Revert CFLAGS patch.
2139 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
2141 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
2142 when multiplier or multiplicand is zero.
2144 2001-03-28 Bernd Schmidt <bernds@redhat.com>
2146 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
2148 * config/ia64/ia64.c (update_set_flags): New function, broken out of
2150 (set_src_needs_barrier): Likewise.
2151 (rtx_needs_barrier): For SET case, use these two functions. Rework
2152 PARALLEL case to handle all inputs before all outputs.
2153 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
2154 saw a label and no stop bit since then.
2155 (maybe_rotate, process_epilogue): Add prototypes.
2157 2001-03-28 Richard Henderson <rth@redhat.com>
2159 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2160 not TARGET_TOC for special toc restore handling.
2161 * config/rs6000/rs6000.md (eh_return): Likewise.
2163 2001-03-28 Richard Henderson <rth@redhat.com>
2165 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
2166 current_function_calls_eh_return.
2167 (output_function_epilogue): Handle eh_return.
2168 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
2169 (EH_RETURN_DATA_REGNO): New.
2170 (EH_RETURN_STACKADJ_RTX): New.
2171 (EH_RETURN_HANDLER_RTX): New.
2172 * config/sparc/sparc.md (call/short branch peepholes): Check
2173 can_throw_internal instead of in_same_eh_region.
2175 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
2176 for eh_return data registers.
2177 (rs6000_emit_prologue): Save eh_return data registers.
2178 (rs6000_emit_epilogue): Force inline restores if eh_return.
2179 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
2180 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
2181 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
2182 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
2183 the target uses one.
2184 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
2185 (return_eh_si, return_eh_di): Remove.
2186 (eh_return): New, from corpse of eh_epilogue.
2187 (eh_set_lr_si, eh_set_lr_di): New.
2189 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
2190 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
2191 True for pic register if current_function_calls_eh_return.
2192 (ix86_expand_epilogue): Change "emit_return" argument into "style".
2193 Handle eh_return requirements.
2194 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
2195 (EH_RETURN_STACKADJ_RTX): New.
2196 * config/i386/i386.md (exception_receiver): Remove.
2197 (eh_return, eh_return_1): New.
2198 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2200 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
2201 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
2202 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
2203 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
2204 (EH_RETURN_DATA_REGNO): New.
2205 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
2206 * config/alpha/alpha.md (eh_epilogue): Remove.
2207 (exception_receiver): Use $26 for ldgp input.
2208 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2210 2001-03-28 Richard Henderson <rth@redhat.com>
2212 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2213 * except.h: Likewise.
2215 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2216 (LIB2ADDEHDEP): New.
2217 (LIB2FUNCS_EH): Remove.
2218 (LIB2ADD): Remove LIB2ADDEH.
2219 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2220 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2221 (crt{begin,end}[S].o): Likewise.
2222 (except.o): Update includes.
2223 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2224 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2226 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2227 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2228 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2229 * builtins.c (expand_builtin): Implement it.
2230 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2231 * c-common.c (c_common_nodes_and_builtins): Declare it.
2232 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2233 * calls.c (libfunc_nothrow): Remove.
2234 (emit_library_call_value_1): Don't call it.
2235 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2236 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2237 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2238 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2239 (current_funcdef_number): Globalize.
2240 (output_call_frame_info): Emit frame data if an lsda is needed.
2241 Generate augmentation for personality routine. Don't play with
2243 (dwarf2out_begin_prologue): Record funcdef_number.
2244 * dwarf2out.h (current_funcdef_number): Declare.
2245 * expr.c (expand_expr): Update for except.h name changes.
2246 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2247 * expr.h (LTI_throw, LTI_rethrow): Remove.
2248 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2249 (LTI_eh_rtime_match): Remove.
2250 (LTI_unwind_resume, LTI_eh_personality): Add.
2251 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2252 * final.c (final): Don't call check_exception_handler_labels,
2253 init_insn_eh_region, or free_insn_eh_region.
2254 (final_scan_insn): Always emit debug labels for
2255 NOTE_INSN_EH_REGION notes.
2256 * flags.h (flag_new_exceptions): Remove.
2257 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2258 (record_active_eh_regions): Remove.
2259 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2260 Use can_throw_internal.
2261 (find_basic_blocks_1): Likewise.
2262 (move_stray_eh_region_notes): Remove.
2263 (find_label_refs): No eh_return_stub_label.
2264 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2265 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2267 (delete_unreachable_blocks): Don't track deleted handlers.
2268 (flow_delete_block): Use maybe_remove_eh_handler.
2269 (delete_eh_regions): Remove.
2270 (merge_blocks): Don't check for eh region match.
2271 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2272 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2273 (init_propagate_block_info): Disable dead frame store optimization
2274 when current_function_calls_eh_return.
2275 (dump_bb): Don't print eh_beg, eh_end.
2276 * function.c (fixup_var_refs): No catch_clauses.
2277 (expand_function_end): Likewise. Call expand_eh_return before
2278 the return register use. Call sjlj_emit_function_exit_after.
2279 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2280 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2281 * ifcvt.c (dead_or_predicable): Remove eh region check.
2282 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2283 Don't check for EH vs parameters.
2284 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2285 (expand_inline_function): Call duplicate_eh_regions.
2286 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2287 (copy_insn_notes): Remap REG_EH_REGION notes.
2288 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2289 * integrate.h (struct inline_remap): Add local_return_label.
2290 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2291 check_exception_handler_labels, nor exception_optimize.
2292 (find_cross_jump): No EH region check.
2293 * optabs.c (init_optabs): Update for changed eh libfuncs.
2294 * rtl.def (RESX): New.
2295 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2296 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2297 checks. Update for except.h name changes.
2298 (expand_cleanups): Likewise.
2299 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2300 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2301 (compile_file): Call init_eh before init_optabs. Don't
2302 output_exception_table here.
2303 (rest_of_compilation): Call convert_from_eh_region_ranges,
2304 convert_to_eh_region_ranges, output_function_exception_table.
2305 Don't emit_eh_context.
2306 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2307 (EXC_PTR_EXPR): New.
2309 * md.texi (eh_epilogue): Remove.
2310 (eh_return): Document.
2311 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2312 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2314 * eh-common.h: Remove file.
2315 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2316 * libgcc2.c (L_eh): Remove.
2318 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2319 * unwind-dw2-fde.h: New file.
2320 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2321 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2322 * libgcc-std.ver: Update for eh symbols.
2324 2001-03-27 Richard Henderson <rth@redhat.com>
2326 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2327 reduce false positives.
2328 (regmove_optimize): Disable if flag_non_call_exceptions.
2330 * stmt.c (expand_return): Remove always true predicate.
2331 (expand_decl_cleanup_no_eh): Remove dead code.
2333 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2334 barrier code. Add a scheduling barrier if a non-call insn
2335 can throw internally.
2337 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2338 Auto-inc addresses trap only if their base register does.
2340 * except.c (can_throw_internal): Rename from can_throw.
2341 * except.h, resource.c: Update references.
2343 * integrate.c (copy_insn_list): Use returnjump_p.
2344 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2346 * function.h (struct function): Move all boolean valued fields
2347 to single bit fields at the end of the struct.
2349 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2351 Rename asynchronous_exceptions to flag_non_call_exceptions.
2353 * gthr-single.h (UNUSED): New. Distinguish between how C
2354 and C++ mark unused function arguments. Use throughout.
2356 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2357 value to target configuration header.
2358 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2359 * config.in, configure: Rebuild.
2360 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2361 configuration and target defines.
2362 (exceptions_via_longjmp): Remove.
2363 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2364 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2366 * except.h (flag_non_call_exceptions): Move ...
2367 * flags.h: ... here.
2369 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2370 exceptions, put the note on the trapping instruction.
2372 * flags.h (flag_new_exceptions): Remove.
2373 * toplev.c: Don't set it.
2374 * final.c: Don't check it.
2375 * except.c: Provide stub definition.
2377 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2378 (calculate_global_regs_live): Kill call-clobbered registers
2379 across exception edges.
2380 * reg-stack.c (convert_regs_1): Kill the entire target stack
2381 across non-call exception edges.
2383 * flow.c (cleanup_cfg): Take no argument.
2384 * output.h, sibcall.c, toplev.c: Update all calls.
2386 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2388 * configure.in: Don't check for bcopy.
2389 * configure, config.in: Regenerate.
2391 * system.h: Don't define or prototype bcopy, instead poison it.
2393 2001-03-27 Richard Henderson <rth@redhat.com>
2395 * function.c (expand_function_start): Set DECL_REGISTER on
2396 a pseudo used for DECL_RESULT.
2398 * rtl.h (LCT_NORETURN): New.
2399 * calls.c (emit_library_call_value_1): Handle it.
2401 2001-03-27 Stan Shebs <shebs@apple.com>
2403 * objc/objc-act.c (objc_init): Use dump_base_name.
2404 (gen_declaration): Clear the buffer arg.
2405 (gen_declaration_1): New function, body of gen_declaration.
2406 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2407 (gen_method_decl): Ditto, plus always clear buffer arg.
2408 (error_with_ivar): Simplify.
2409 (warn_with_method): Ditto.
2410 (build_message_expr): Don't clear buffers.
2411 (dump_interface): Ditto.
2412 (objc_debug): Ditto.
2413 (build_keyword_selector): Clear the buffer by only zeroing
2415 (objc_implementation_context): Declare.
2416 (start_class): Warn about missing @end.
2417 (finish_objc): Ditto.
2419 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2421 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2423 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2425 * Makefile.in (SYSTEM_H): Define.
2426 Depend on $(SYSTEM_H), not system.h.
2428 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2430 2001-03-27 Jim Wilson <wilson@redhat.com>
2432 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2434 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2435 (process_epilogue): New static function.
2436 (process_set): Call process_epilogue instead of emitting .restore
2438 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2440 * flow.c (struct reg_cond_life_info): New fields orig_condition
2442 (init_propagate_block_info): Set new fields.
2443 (mark_regno_cond_dead): Set and use new fields.
2444 (flush_reg_cond_reg_1): Likewise.
2445 (and_reg_cond, case AND): Check for redundant AND conditions.
2446 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2449 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2451 * cppmacro.c (stringify_arg): Null terminate strings.
2453 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2455 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2456 inclusion style. xm-m68hc11.h no longer exists.
2457 * config/m68hc11/xm-m68hc11.h: Delete file.
2458 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2460 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2461 Don't define GCC_VERSION, N_, or PARAMS; don't include
2462 gansidecl.h or stdio.h. Define inhibit_libc here.
2463 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2464 Delete code conditioned on #if GCC_VERSION == 2095.
2466 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2467 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2468 Delete code conditioned on #if GCC_VERSION == 2095.
2470 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2472 * system.h: Include symcat.h.
2473 (STRINGIFY): Don't define.
2475 * configure.in: Adjust comment.
2477 * builtins.c: Use STRINGX, not STRINGIFY.
2478 * gencheck.c: Likewise.
2479 * gengenrtl.c: Likewise.
2480 * protoize.c: Likewise.
2482 * cpplex.c: Don't include symcat.h.
2483 * cpplib.c: Likewise.
2485 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2487 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2489 * c-typeck.c (digest_init): Fold init expression.
2491 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2493 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2495 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2497 * except.c (eh_regs): Save results of build_pointer_type to a temp
2498 as FUNCTION_VALUE macro may evaluate its args multiple times.
2500 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2502 * c-common.h (DECL_NUM_STMTS): New macro.
2503 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2505 (pushdecl): Likewise.
2506 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2507 * integrate.c (expand_inline_function): Don't check
2509 * print-tree.c (print_node): Don't print it.
2510 * toplev.c (rest_of_compilation): Don't try to inline when
2511 flag_no_inline is on.
2512 * tree.h (DECL_FRAME_SIZE): Remove.
2513 (tree_decl): Adjust accordingly.
2515 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2517 * combine.c (try_combine): Use memcpy, not bcopy.
2519 * genattrtab.c (expand_units): Likewise.
2521 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2523 * i386.md (push mem DI peep2): New.
2524 (mov 0, mov -1 peep2): Handle 64bit.
2525 (lea to arithmetics peep2): Handle 64bit leas.
2526 (rsp arithmetics to push/pop peep2s): New.
2528 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2530 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2532 * i386.c (struct machine_function): Add save_varrargs_registers.
2533 (ix86_save_varrargs_registers): New macro.
2534 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2535 (ix86_expand_prologue): Likewise.
2536 (ix86_emit_epilogue_esp_adjustement): Likewise.
2537 (ix86_expand_epilogue): Likewise.
2538 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2539 (pro_epilogue_adjust_stack_1): New insn.
2540 (pro_epilogue_adjust_stack_rex64): Likewise.
2541 * i386.h (MASK_NO_RED_ZONE): New constant.
2542 (TARGET_RED_ZONE): New macro.
2543 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2544 (RED_ZONE_SIZE): New constant.
2545 (RED_ZONE_RESERVE): New constant.
2547 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2549 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2551 2001-03-25 Kazu Hirata <kazu@hxi.com>
2553 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2556 (umodhi3): Likewise.
2559 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2561 * mkconfig.sh (DEFINES): Handle entries with '='.
2563 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2564 Set xm_defines to MACRO=value instead.
2566 * i370/xm-mvs.h: Delete.
2568 * ns32k/xm-pc532-min.h: Likewise.
2570 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2572 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2574 use ix86_expand_binary_operator
2575 (?sh??i_?): Disable for 64bit.
2576 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2577 * i386.c (shiftdi_operand): New predicate.
2579 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2580 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2581 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2582 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2583 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2584 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2585 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2586 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2587 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2588 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2589 (rotldi3, rotrdi3): New expanders.
2591 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2593 * i386.md (movstrsi): Move offline.
2595 (strmovdi_rex64): New.
2596 (strmov?i): Accept 64bit.
2597 (strmov?i_rex64): New.
2598 (strmov?i_rex_1): New.
2599 (strmov?i_1): Disable for 64bit.
2600 (rep_mov?i_rex64): New.
2601 (rep_mov?i): Disable for 64bit.
2602 (clrstrsi): Move offline.
2603 (strset?i_rex64): New.
2604 (strset?i: Accept 64bit.
2605 (rep_stos?i): Disable for 64bit.
2606 (rep_stos?i_rex64): New.
2607 (strset?i_rex_1): New.
2608 (strset?i_1): Disable for 64bit.
2609 (cmpstrsi): Accept 64bit.
2610 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2611 (cmpstrqi_nz_rex_1): New.
2612 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2613 (strlensi): Move offline.
2615 (strlenqi_1): Disable for 64bit; fix constraints.
2616 (strlenqi_rex_1): New.
2617 * i386.c (ix86_adjust_counter): New static function.
2618 (ix86_zero_extend_to_Pmode): Likewise.
2619 (ix86_expand_aligntest): Likweise.
2620 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2621 (ix86_expand_movstr): New global function.
2622 (ix86_expand_clrstr): New global function.
2623 (ix86_expand_strlen): New global function.
2624 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2625 ix86_expand_strlen): Declare.
2626 (ix86_expand_strlensi_unroll_1): Delete.
2628 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2630 * i386.md (cmpdi): Fix operand predicates.
2631 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2632 cmpdi_1_insn_rex64): New patterns.
2633 (adddi3): Turn to expander.
2634 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2635 (addsi3_carry_zext): New pattern.
2636 (adddi_?_rex64): New patterns and splitters.
2637 (addsi_?_zext): New patterns.
2638 (subsi3_carry_zext): New pattern.
2639 (subdi_?_rex64): New patterns and splitters.
2640 (iorsi_?_zext): New patterns.
2641 (iordi_?_rex64): New patterns and splitters.
2642 (iorsi_?_zext): New patterns.
2643 (iorsi_?_zext_imm): New patterns.
2644 (xorsi_?_zext): New patterns.
2645 (xordi_?_rex64): New patterns and splitters.
2646 (xorsi_?_zext): New patterns.
2647 (negdi*): New patterns.
2648 (one_cmpldi*): Likewise.
2649 (one_cmplsi*_zext, negsi*_zext): Likewise.
2650 (testqi_ext_3_rex64): New pattern.
2652 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2654 * i386-protos.h (ix86_split_long_move): Return void.
2655 * i386.c (ix86_split_to_parts): Handle 64bit target.
2656 (ix86_split_long_move): Likewise.
2657 * i386.md (all calls to ix86_split_long_move): Update.
2659 2001-03-23 Richard Henderson <rth@redhat.com>
2661 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2662 to avoid shadowing arguments.
2664 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2666 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2667 to variable names where DECL_NAME is different from
2668 DECL_ASSEMBLER_NAME.
2670 2001-03-23 Jim Wilson <wilson@redhat.com>
2672 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2673 (assemble_alias): Call make_decl_rtl.
2675 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2677 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2679 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2681 * extend.texi: Document the "java_interface" attribute.
2683 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2685 * mkconfig.sh: Use a subshell with redirected stdout,
2686 instead of closing stdout and confusing commands that run
2687 afterward. Throw away output of cmp.
2689 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2691 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2693 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2695 * i386.md (zero_extendsidi2_32): Break out from ...
2696 (zero_extendsidi2): ... here ; turn to expander.
2697 (zero_extendsidi2_rex64): New.
2698 (extendsidi2_32): Break out from ...
2699 (extendsidi2): ... here ; turn to expander.
2700 (extendsidi2_rex64): New.
2701 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2702 (trunc?f?f splitters): Add 64bit versions.
2704 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2706 * i386.md (pushsi, pushsi2_prologue): Disable.
2707 (pushsi2_rex64): New.
2708 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2709 (movqi_ext_1): Disable for 64bit.
2710 (movqi_ext_1_rex64): New.
2711 (pushdi2_rex64): New pattern, peep2s and splitter.
2712 (pushdi2_prologue_rex64): New pattern.
2713 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2715 (movdi splitters): Disable for 64bit.
2716 (movdi_1_rex64): New pattern, peep2s and splitters.
2717 (swapdi): New pattern.
2718 (pushsf): Disable for 64bit.
2719 (pushsf_rex64): New pattern and splitter.
2720 (pushdf_nointeger): Disable for 64bit.
2721 (pushdf_integer): Handle the 64bit case.
2722 (pushtf): Likewise; update splitters.
2724 2001-03-22 Richard Henderson <rth@redhat.com>
2726 * mkconfig.sh: Include insn-flags.h.
2727 * Makefile.in (CONFIG_H): Include insn-flags.h.
2728 (lots of objects): Remove insn-codes.h and insn-flags.h.
2730 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2731 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2732 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2733 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2734 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2735 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2736 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2737 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2738 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2739 v850/v850.c, vax/vax.c:
2740 Don't include insn-flags.h.
2742 * diagnostic.c, expr.h, reload.c, toplev.c:
2743 Don't include insn-codes.h.
2745 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2746 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2747 c4x/c4x.c, i960/i960.c, mips/mips.c:
2748 Don't include insn-codes.h or insn-flags.h.
2750 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2751 or insn-flags.h in the generated code.
2752 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2753 (main): Forward declare struct rtx_def.
2755 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2757 * invoke.texi (-ffast-math): Remove duplicate line about
2760 * gcc.texi: Remove more obsolete documentation of bugs and
2761 installation problems.
2763 2001-03-21 Kazu Hirata <kazu@hxi.com>
2765 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2768 2001-03-20 Jason Merrill <jason@redhat.com>
2770 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2772 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2773 * varasm.c (CHKR_PREFIX): Likewise.
2775 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2777 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2778 is part of a multi-SET insn.
2780 * cse.c (find_comparison_args): Remove previous change.
2781 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2784 * config/i386/i386.md (conditional_trap): Remove warning.
2786 * recog.c (push_operand): Fix error in last change that caused
2787 undefined symbol on many targets.
2789 * sdbout.c: #include ggc.h.
2790 (sdbout_init): Move to end of file.
2791 Call ggc_add_tree_root for anonymous_types.
2792 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2793 (sdbout_one_type): Use DECL_NAME for field name.
2794 * Makefile.in (sdbout.o): Show includes ggc.h.
2796 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2798 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2799 (override_options): Use properlimits for preferred_stack_boundary.
2800 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2802 (ext_register_operand): Accept DImode.
2803 (load_pic_register): Abort on 64bit.
2804 (gen_push): Use Pmode instead of SImode.
2805 (ix86_save_reg): Pic reg is never used on 64bit.
2806 (ix86_expand_prologue): Likewise.
2807 (ix86_emit_save_regs): Use Pmode instead of SImode.
2808 (legitimate_address_p): Check displacement for 64bit.
2809 (print_operand): Avoid outputting of (%rip) on 64bit.
2810 (print_operand_address): Output (%rip) where possible.
2811 (split_di): Abort on 64bit registers.
2812 (ix86_expand_branch): DImode comparison is simple for x86_64.
2813 (memory_address_length): Recognize memory addresses formed using
2815 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2817 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2819 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2821 * recog.c (push_operand): Recognize new format of push instructions.
2823 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2825 * i386.md (pushqi1): New.
2826 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2827 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2828 x86_64_immediate_operand, x86_64_immediate_operand,
2829 x86_64_zext_immediate_operand): Declare.
2830 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2831 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2832 x86_64_immediate_operand, x86_64_immediate_operand,
2833 x86_64_zext_immediate_operand): define.
2834 * i386.h (PREDICATE_CODES): Add new predicates.
2836 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2838 * i386.md (pophi1, popqi1, pushqi1): Remove.
2840 * expr.c (emit_single_push_insn): New function.
2841 (move_by_pieces): Accept NULL as destination for push instructions.
2842 (gen_push_operand): Kill.
2843 (emit_push_insn): Pass NULL when pushing; avoid updating of
2844 stack_pointer_delta.
2845 * expr.h (gen_push_operand): Kill.
2847 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2849 * rtl.texi (COMPARE): Clarify documentation and reference section
2852 2001-03-20 Stan Shebs <shebs@apple.com>
2854 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2855 (get_object_reference): Ditto.
2856 (error_with_ivar): Use error_with_file_and_line.
2857 (warn_with_method): Use warning_with_file_and_line.
2859 2001-03-20 Tom Tromey <tromey@redhat.com>
2861 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2863 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2865 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2866 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2868 2001-03-20 DJ Delorie <dj@redhat.com>
2870 * Makefile.in (install-libgcc): Pass complete list of variables.
2871 (install-multilib): Ditto.
2873 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2875 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2876 drectve_section, switch_to_section.
2878 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2879 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2880 i386_pe_mark_dllimport.
2882 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2884 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2885 functions i386_pe_*.
2887 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2888 i386_pe_* functions with char * arguments.
2890 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2892 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2894 (movsi_ie): Introduce fpul store.
2896 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2898 * Makefile.in (OBJS): Remove hashtab.o.
2900 2001-03-19 Stan Shebs <shebs@apple.com>
2902 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2903 * c-lang.c (maybe_objc_method_name): Ditto.
2904 * c-tree.h (maybe_objc_method_name): Remove decl.
2906 2001-03-19 Tom Tromey <tromey@redhat.com>
2908 * gcc.c (init_gcc_specs): Fix comment.
2910 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2912 Compute DECL_ASSEMBLER_NAME lazily.
2913 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2914 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2915 (SET_DECL_ASSEMBLER_NAME): Likewise.
2916 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2917 (set_decl_assembler_name): Declare.
2918 (lang_set_decl_assembler_name): Likewise.
2919 * tree.c (lang_set_decl_assembler_name): New variab.e
2920 (set_decl_assembler_name): New function.
2921 (init_obstacks): Set lang_set_decl_assembler_name.
2922 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2923 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2924 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2925 where it's not necessary.
2926 (builtin_function): Likewise.
2927 (finish_decl): Likewise.
2928 * dbxout.c (dbxout_type_methods): Likewise.
2929 * ggc-common.c (ggc_mark_trees): Likewise.
2930 * profile.c (output_func_start_profiler): Likewise.
2931 * varasm.c (make_decl_rtl): Likewise.
2933 * cse.c (find_comparison_args): Update documentation. Fix
2934 mishandling of COMPARE operations.
2936 * tree.def (ABS_EXPR): Add documentation.
2937 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2939 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2941 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2943 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2945 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2946 Remove ia32 linux PIC kludge and move it...
2947 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2949 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2951 * i386.md (absdf2 expander): Fix 64bit case.
2953 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2955 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2957 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2959 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2961 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2963 * README.X11: Remove obsolete file.
2965 2001-03-18 Anthony Green <green@redhat.com>
2967 * config/pj/pj.h: Remove some trailing commas.
2968 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2970 2001-03-18 Richard Henderson <rth@redhat.com>
2972 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2973 * calls.c: ... here.
2974 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2975 defaults for them here.
2977 2001-03-17 Anthony Green <green@redhat.com>
2979 * config/pj/lib1funcs.S: Fix broken comment.
2980 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2983 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2985 * gcc.texi: Remove obsolete information relating to build and
2986 installation problems with enquire or the Pyramid C compiler.
2988 2001-03-17 Richard Henderson <rth@redhat.com>
2990 * dwarf2out.c (queue_reg_save): New.
2991 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2992 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2994 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2995 (cfa, cfa_store, cfa_temp): Make static.
2996 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2998 2001-03-17 Richard Henderson <rth@redhat.com>
3000 * integrate.h (struct inline_remap): Add local_return_label.
3001 * integrate.c (expand_inline_function): Initialize it and emit
3002 it after copy_insn_notes.
3003 (copy_insn_list): Don't store local_return_label here.
3004 (copy_insn_notes): New function split out from copy_insn_list.
3006 2001-03-17 Richard Henderson <rth@redhat.com>
3008 * dwarf2out.c (lookup_filename): Emit .file if the assembler
3009 is generating .debug_line.
3010 (dwarf2out_init): Add main_input_filename to the file table first.
3011 * configure.in (as_dwarf2_debug_line): Test with file number 1
3012 instead of file number 0.
3014 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3016 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
3017 (gen_rtx_combine): Deleted; all references changed as appropriate.
3018 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
3020 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
3022 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
3024 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
3027 2001-03-16 Jim Wilson <wilson@redhat.com>
3029 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
3030 then set it to LOC_REG (79) instead of aborting.
3032 2001-03-16 Phil Edwards <pme@sources.redhat.com>
3034 * gccbug.in: Remove high priority.
3036 2001-03-16 Richard Henerson <rth@redhat.com>
3038 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
3039 output with a space instead of deleting it.
3040 * configure: Regenerate.
3042 2001-03-16 Zack Weinberg <zackw@stanford.edu>
3044 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
3045 handles the gory details of converting an object file into
3046 something that's safe to grep.
3047 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
3048 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
3049 newlines at either end of the string we're looking for.
3050 Make 'checking ...' message less stilted.
3051 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
3052 ARM in-memory layout and its hypothetical converse. Don't
3053 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
3054 HOST_WORDS_BIG_ENDIAN.
3056 * configure.in: Adjust for renamed macro. Move
3057 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
3058 * configure, config.in: Regenerate.
3060 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3062 * fixinc/Makefile.in: Set SHELL.
3064 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3066 * fixinc/fixincl.c (fix_with_system): Quote file names before
3067 passing them to shell.
3069 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
3071 * Makefile.in: Use fix-header$(build_exeext) instead
3074 2001-03-16 Richard Henderson <rth@redhat.com>
3076 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
3077 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
3078 (size_of_line_prolog): Remove.
3079 (output_line_info): Compute prologue size via label difference.
3080 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
3082 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
3083 assembler error when redefining file numbers.
3084 * config.in, configure: Rebuild.
3086 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3087 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3088 (dw2_asm_output_delta_uleb128): Likewise.
3089 (dw2_asm_output_delta_sleb128): Similarly.
3090 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3092 2001-03-16 Michael Meissner <meissner@redhat.com>
3094 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
3096 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
3098 (BITMASK_LOWER16): Replacement for 0x0000ffff.
3100 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
3101 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
3102 being unsigned in ISO C and signed in traditional.
3103 (expand_prologue): Ditto.
3104 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
3106 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
3108 (divsi3,divdi3): Ditto.
3109 (modsi3,moddi3): Ditto.
3110 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
3111 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
3112 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
3115 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
3117 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
3118 SSE based conditional moves on LTGT/UNEQ conditions;
3119 Canonicalize EQ to NE.
3120 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
3121 (sse_mov?fcc_ne): New.
3123 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
3125 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3127 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
3128 register may be dead.
3130 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
3132 * Makefile.in (hash.o): Depend on CONFIG_H.
3134 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3136 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
3138 2001-03-15 Richard Henderson <rth@redhat.com>
3140 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
3141 (ASM_OUTPUT_DWARF_PCREL): New.
3142 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
3144 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
3146 * cppfiles.c (stack_include_file): Use MAX of sysp.
3148 2001-03-15 Steve Ellcey <sje@cup.hp.com>
3150 * config.gcc (ia64*-*-hpux*): New case.
3151 * config/ia64/hpux.h: New file for HP-UX support.
3152 * config/ia64/t-hpux: New file for HP-UX support.
3154 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
3156 * fixinc/inclhack.def (irix_stdio_va_list): New.
3157 * fixinc/fixincl.x: Rebuilt.
3159 2001-03-15 Richard Henderson <rth@redhat.com>
3161 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3162 if provided by the target.
3163 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3164 (dw2_asm_output_addr): New.
3165 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3166 * dwarf2out.c (output_cfi): Use it for program addresses.
3167 (output_call_frame_info, output_die): Likewise.
3168 (output_aranges, output_line_info): Likewise.
3170 2001-03-15 Bruce Korb <bkorb@gnu.org>
3172 * gcc.c(main): make more rigorous
3173 * collect2.c(main): guard against ignoring SIGCHLD
3174 * protoize.c(main): ditto
3175 * gcc/fixinc/fixincl.c(initialize): ditto
3177 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3179 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
3180 (sdbout_parms): Likewise.
3182 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
3184 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
3185 "widen" a destination that is already wider than a word. Also do
3186 not widen if LOAD_EXTEND_OP is NIL for the given mode.
3188 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3190 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
3192 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
3194 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
3196 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
3198 * i960.h (i960_maxbitalignment,
3199 i960_last_maxbitalignment): Declare.
3200 * i960.c (i960_maxbitalignment,
3201 i960_last_maxbitalignment): Make global.
3202 (process_pragma): Delete.
3203 (i960_pr_align, i960_pr_noalign): Move from here ...
3204 * i960-c.c: ... to this new file.
3205 * t-960bare (i960-c.o): New rule.
3206 * t-vxworks960 (i960-c.o): Likewise.
3207 * config.gcc (i960-*-*): Define c_target_objs and
3210 2001-03-15 Bernd Schmidt <bernds@redhat.com>
3212 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
3213 without adding in rtx code and mode.
3215 * alias.c (init_alias_analysis): Don't use any rtx whose value
3216 varies as a known value.
3217 Delete a superfluous test.
3219 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
3221 (ia64_sched_reorder): Call maybe_rotate; also rotate after
3222 scheduling a stop bit.
3223 (ia64_emit_nops): Correctly handle ASMs.
3225 2001-03-15 Mark Mitchell <mark@codesourcery.com>
3227 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
3229 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
3231 * cpp.texi: Update documentation for -include and -imacros.
3232 * cppfiles.c (struct include_file): Remove "defined" memeber.
3233 (find_or_create_entry): Make a copy of the file name, and
3235 (open_file): Update to ensure we use the simplified filename.
3236 (stack_include_file): Don't set search_from.
3237 (cpp_included): Don't simplify the path name here.
3238 (find_include_file): New prototype. Call search_from to
3239 get the start of the "" include chain. Don't simplify the
3241 (_cpp_execute_include): New prototype. Move diagnostics to
3242 do_include_common. Update.
3243 (_cpp_pop_file_buffer): Don't set defined.
3244 (search_from): New prototype. Use the preprocessor's cwd
3245 for files included from the command line.
3246 (read_name_map): Don't simplify the pathname here.
3247 * cpphash.h (enum include_type): New.
3248 (struct buffer): Delete search from. New search_cached.
3249 (_cpp_execute_include): Update prototype.
3250 * cppinit.c (do_includes): Use _cpp_execute_include.
3251 * cpplib.c (do_include_common): New function.
3252 (do_include, do_include_next, do_import): Use it.
3254 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3256 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
3257 contents of the RTL, to determine the name of the object.
3259 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3261 * tree.h (DECL_RTL): Allocate RTL lazily.
3262 (SET_DECL_RTL): New macro.
3263 (DECL_RTL_SET_P): Likewise.
3264 (COPY_DECL_RTL): Likewise.
3265 (DECL_RTL_IF_SET): Likewise.
3266 * varasm.c (make_decl_rtl): Add assertions about the kind of
3267 declaration we are processing.
3268 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
3269 (start_decl): Likewise.
3270 (finish_decl): Likewise.
3271 * c-semantics.c (emit_local_var): Likewise.
3272 * calls.c (expand_call): Likewise.
3273 * dbxout.c (dbxout_symbol): Likewise.
3274 * emit-rtl.c (unshare_all_rtl): Likewise.
3275 (unshare_all_decls): Likewise.
3276 (reset_used_decls): Likewise.
3277 * expr.c (store_constructor): Likewise.
3278 (safe_from_p): Likewise.
3279 (expand_expr): Likewise.
3280 * function.c (put_var_into_stack): Likewise.
3281 (instantiate_decls_1): Likewise.
3282 (assign_parms): Likewise.
3283 (expand_function_start): Likewise.
3284 (expand_function_end): Likewise.
3285 * ggc-common.c (gcc_mark_trees): Likewise.
3286 * integrate.c (function_cannot_inline_p): Likewise.
3287 (copy_decl_for_inlining): Likewise.
3288 (expand_inline_function): Likewise.
3289 (integrate_parm_decls): Likewise.
3290 (integrate_decl_tree): Likewise.
3291 * print-tree.c (print_node): Likewise.
3292 * reg-stack.c (stack_result): Likewise.
3293 * stmt.c (label_rtx): Likewise.
3294 (expand_return): Likewise.
3295 (expand_decl): Likewise.
3296 (expand_decl_cleanup): Likewise.
3297 (expand_anon_union_decl): Likewise.
3298 * toplev.c (check_global_declarations): Likewise.
3299 (rest_of_decl_compilation): Likewise.
3300 * tree.c (simple_cst_equal): Likewise.
3301 * objc/objc-act.c (generate_static_references): Likewise.
3303 2001-03-14 Zack Weinberg <zackw@stanford.edu>
3305 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
3306 gcc_AC_C_FLOAT_FORMAT): New macros.
3307 * configure.in: Add AC_PROG_CPP after CC tests;
3308 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
3309 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
3310 * configure, config.in: Regenerate.
3312 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
3313 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
3314 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3315 config/i370/xm-linux.h, config/i370/xm-oe.h,
3316 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3317 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3318 config/pa/xm-linux.h, config/pa/xm-pa.h,
3319 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3320 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3321 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3322 config/we32k/xm-we32k.h: Delete.
3324 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3325 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3326 config/vax/xm-vms.h: Don't define any of:
3327 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3329 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3331 * config.gcc: Remove references to deleted files.
3332 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3333 FATAL_EXIT_CODE, which is the same between oe and mvs).
3335 2001-03-14 DJ Delorie <dj@redhat.com>
3336 Vladimir Makarov <vmakarov@redhat.com>
3338 * config/i960/i960.c (i960_function_prologue): Compute size of
3339 frame according to number of registers actually saved there.
3341 2001-03-14 Richard Henderson <rth@redhat.com>
3343 * expr.c (emit_move_insn_1): Fix else if around #endif.
3345 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3348 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3351 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3353 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3354 (override_options): Parse cmodel string.
3355 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3356 * i386.h (TARGET_OPTIONS): Add "cmodel".
3357 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3359 (ix86_cmodel_string, ix86_cmodel): Declare.
3361 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3364 * i386.h (GENERAL_REG_P): Add missing REG_P.
3366 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3368 * configure.in: Use $gcc_cv_as instead of $as.
3369 * configure: Regenerated.
3371 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3373 * cppfiles.c (stack_include_file): Only increase the include
3374 count if we actually process the file properly, as opposed
3375 to treating it as length zero. Only call read_include_file
3376 if not DO_NOT_REREAD. Handle the -H include file output
3378 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3379 (cpp_included, find_include_file): Simplify pathnames after
3380 remapping them. If remapping, don't use the remapped file
3381 name's buffer as our scratch buffer.
3382 (cpp_pop_file_buffer): Replace the multiple include macro
3383 only if it isn't yet set.
3384 (read_name_map): Simplify remapped names when reading in.
3385 (remap_filename): Move code to code path that uses it.
3386 (_cpp_simplify_pathname): Return the input pointer.
3387 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3389 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3391 * expr.c (expand_expr): Revove bogus conditional.
3393 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3395 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3397 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3399 * reg-stack.c (stack_result): Unconditionally use
3400 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3402 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3404 * expr.c (emit_move_insn_1): Split push of complex value when
3405 no suitable push instruction exist.
3407 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3408 instead of QI_REG_P.
3410 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3412 * alias.c (handled_component_p, can_address_p): New functions.
3413 (get_alias_set): Use them.
3415 2001-03-13 Jim Wilson <wilson@redhat.com>
3417 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3418 from 80 in try_locals code.
3419 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3421 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3423 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3424 gcc_AC_C_LONG_LONG): New.
3425 * configure.in: Use them. Probe the size of short, int, long,
3426 and long long/__int64 if we have them. Move all the AC_C_*
3427 checks together, except gcc_AC_C_CHAR_BIT which has to go
3428 after AC_CHECK_HEADERS(limits.h).
3429 Take hwint.h out of host_xm_file and build_xm_file.
3431 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3432 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3433 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3434 Move the HOST_WIDEST_INT setup logic here from system.h.
3435 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3437 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3438 is now handled by hwint.h.
3440 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3441 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3442 config/ia64/xm-ia64.h: Don't define any of:
3443 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3444 HOST_BITS_PER_LONGLONG.
3446 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3447 config/h8300/xm-h8300.h, config/mips/iris6.h,
3448 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3449 config/sparc/xm-sp64.h: Delete.
3450 * config.gcc: Remove references to deleted files.
3452 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3453 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3454 * config/i370/xm-linux.h: Clarify floating-point situation in
3457 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3459 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3460 (find_include_file): Decide here which part of the include
3461 chain to start the search. Complain about an empty include
3462 chain in all cases apart from an abolsute file name.
3463 (_cpp_execute_include): Don't choose the search chain here.
3464 Don't call handle_missing_include in the case of an empty
3466 (_cpp_compare_file_date): Don't choose the search chain here.
3467 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3468 here from _cpp_execute_include. Behave like #include if
3469 we're in the main file.
3471 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3473 * system.h (malloc, realloc, calloc, strdup): Only poison these
3474 tokens when IN_GCC is defined.
3476 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3478 * i386.md (abs?f expander): Support SSE case.
3479 (abd?f_if): Add new "USE"; add splitters.
3481 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3483 * cpp.texi (poison): Explain the macro expansion exception.
3485 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3487 * expr.c (store_expr): Add dont_store_target. If temp is already in
3488 target before copying to reg, don't store it into target again.
3490 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3492 * cppinternals.texi: Update for file handling.
3494 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3496 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3497 2001-02-24 which broke building the Java library.
3498 * function.c (identify_blocks): Likewise.
3499 (all_blocks): Likewise.
3500 * integrate.c (integrate_decl_tree): Likewise.
3501 * print-tree.c (print_node): Likewise.
3502 * tree.h (BLOCK_NUMBER): Likewise.
3503 (struct tree_block): Likewise.
3505 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3507 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3508 __WCHAR_TYPE__ definition.
3509 (WCHAR_TYPE_SIZE): #undef before #define.
3511 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3513 * cppfiles.c: Update comments.
3514 (destroy_include_file_node): Rename destroy_node.
3515 (find_or_create_entry): New function.
3516 (open_file, _cpp_fake_include): Use it.
3517 (handle_missing_header): New function, broken out of
3518 _cpp_execute include. Don't segfault if there is no
3519 system or quoted path.
3520 (_cpp_execute_include): Use handle_missing_header.
3522 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3524 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3525 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3527 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3529 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3530 unless anti_dependence says they are.
3531 * alias.c (objects_must_conflict): If neither has a type specified,
3534 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3535 David Billinghurst <David.Billinghurst@riotinto.com>
3537 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3539 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3541 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3542 (*_one_bit): Remove type on the match_operand in attributes.
3544 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3546 * i386.c: Commit forgotten hunk in previous patch.
3547 (regclass_map): Add extended registers.
3548 (dbx_register_map): Add missing frame register.
3550 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3552 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3554 * i386.md (x86_sahf_1): Disable for 64bit.
3555 (popsi*, pophi*): Likewise.
3556 (pushqi, pushhi): Likewise.
3557 (movdi, pushdi): Likewise.
3558 (zero extend DImode splitter): Likewise.
3559 (adddi, minusdi splitter): Likewise.
3560 (umulsidi): Likewise.
3562 (mulsidi): Disable for 64bit
3563 (lshift:DI/ashift:DI): Disable for 64bit.
3564 (loop patterns): Likewise.
3565 (call_pop, call_value_pop expanders and patterns): Likewise.
3566 (prologue_get_pc): Likewise.
3568 (fcmovDI pattern and splitter): Likewise.
3569 (movdfcc_1_rex64): New.
3571 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3573 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3574 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3575 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3576 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3577 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3578 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3579 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3580 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3581 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3582 (REGPARM_MAX): Set to 6 for x86_64.
3583 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3584 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3587 * (patterns that does use upper halves): Update constraints
3588 'q' to 'Q' and 'r' to 'R'.
3589 (cmpqi_ext_1): Disable for 64bit.
3590 (cmpqi_ext_3_insn): Likewise.
3591 (movqi_extzv_1): Likewsie.
3592 (addqi_ext_1): Liekwsie
3593 (testqi_ext_1): Liekwsie
3594 (andqi_ext_1): Liekwsie
3595 (xorqi_ext_1): Liekwsie
3596 (cmpqi_ext_1_rex64): New.
3597 (cmpqi_ext_3_insn_rex64): Likewise.
3598 (movqi_extzv_1_rex64): Likewsie.
3599 (addqi_ext_1_rex64): Liekwsie
3600 (testqi_ext_1_rex64): Liekwsie
3601 (andqi_ext_1_rex64): Liekwsie
3602 (xorqi_ext_1_rex64): Liekwsie
3604 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3606 * configure.in: Move check for unsigned enumerated bitfields
3607 to macro in aclocal.m4. Disable it for now.
3608 * configure, config.in: Regenerate.
3609 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3610 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3611 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3612 kind above its first use.
3614 * config/xm-interix.h, config/alpha/xm-alpha.h,
3615 config/i370/xm-linux.h, config/i386/xm-beos.h,
3616 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3617 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3618 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3619 Don't define ONLY_INT_FIELDS under any circumstances.
3621 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3623 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3624 config/sparc/xm-sysv4.h: Delete - now identical with some
3626 * config.gcc (hppa targets): Replace xm-pahpux.h and
3627 xm-papro.h with implicit xm-pa.h.
3628 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3631 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3633 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3634 before reload_cse_noop_set_p.
3636 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3638 * config.gcc: Where xm-host.h used to include another
3639 xm-host.h, list the nested header directly in xm_file. Remove
3640 references to deleted files. Can now use sparc/xm-sp64.h for
3643 * config/xm-linux.h, config/arm/xm-linux.h,
3644 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3645 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3646 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3647 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3648 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3651 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3652 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3653 bother to wrap #undef in #ifdef.
3654 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3655 Don't include xm-linux.h.
3656 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3658 * configure.in: Wrap regexps using [] in changequote block.
3659 Use expr : not echo | grep. Simplify regexps.
3660 * configure: Regenerate.
3662 56 xm-files remain, 22 xm-arch.
3664 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3666 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3667 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3668 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3669 (copy_object): Fix format specifier vs argument mismatch.
3671 * mips-tdump.c: Make local functions static.
3672 (rindex): Don't #undef.
3673 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3674 (fatal, fancy_abort): Delete.
3675 (read_seek): Avoid signed/unsigned compare.
3677 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3679 * combine.c (try_combine): Fix error in change to try original
3681 (gen_rtx_combine): Do same as gen_rtx for now.
3683 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3685 * configure.in: AC_SUBST xm_defines.
3686 * configure: Regenerate.
3687 * Makefile.in: Set DEFINES=$(xm_defines) when building
3690 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3692 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3693 (cpp_included, find_include_file): Update.
3694 (_cpp_compare_file_date): Make else unconditional.
3696 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3698 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3700 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3702 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3703 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3705 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3707 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3708 if it's a record type.
3710 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3712 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3713 mingw includes slightly.
3715 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3717 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3718 #undef token before poisoning it.
3720 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3722 * alpha.c (check_float_value): Use memcpy, not bcopy.
3724 * m32r.c (m32r_sched_reorder): Likewise.
3726 * vax.c (check_float_value): Likewise.
3728 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3730 * toplev.c (file_name_nondirectory): Remove.
3731 * toplev.h: Similarly.
3732 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3733 of file_name_nondirectory.
3735 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3737 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3738 * mips-tfile.c: Don't #undef rindex; not used.
3740 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3742 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3743 (dbx64_register_map): Declare.
3744 (RETURN_ADDR_RTX): Fix for 64bit.
3745 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3746 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3747 * i386.c (dbx64_register_map): New global array.
3748 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3749 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3752 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3754 * cppfiles.c (search_from): Use lbasename.
3755 * mkdeps.c (deps_add_default_target): Use lbasename.
3757 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3759 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3760 xcalloc in lieu of malloc, realloc & calloc.
3762 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3764 * gengenrtl.c (xmalloc): Likewise.
3766 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3767 really_call_* memory allocation routines.
3769 * stmt.c (check_for_full_enumeration_handling): Use
3770 really_call_calloc, not calloc.
3772 * system.h (really_call_malloc, really_call_calloc,
3773 really_call_realloc): Define.
3774 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3776 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3778 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3780 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3782 * configure: Rebuilt.
3783 * configure.in: Only use `lang_requires' for languages athat are
3786 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3788 * invoke.texi: Fix typo.
3789 * gcc.1: Regenerate.
3791 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3793 * configure.in: Prune nonexistent files from build_xm_file,
3794 xm_file, and host_xm_file lists. Warn unless they're
3796 Don't generate *config.h here.
3797 AC_SUBST all variables needed to generate *config.h.
3798 * configure: Regenerate.
3799 * mkconfig.sh: New helper script, from code removed from
3801 * Makefile.in: Zap all MALLOC variables - no longer used
3802 anywhere, and malloc.c doesn't exist.
3803 Substitute in variables needed to generate *config.h.
3804 Stop lying about the dependencies contained in CONFIG_H and
3806 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3807 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3808 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3809 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3810 $(TM_P_H), etc. as appropriate.
3812 * config.gcc: Zap references to deleted files.
3813 * ggc-none.c: Don't include rtl.h or tm_p.h.
3815 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3816 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3817 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3818 config/i386/xm-linux.h, config/i386/xm-linux.h,
3819 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3820 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3821 Don't include i386/xm-i386.h.
3823 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3824 config/i386/xm-i386.h, config/i860/xm-i860.h,
3825 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3826 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3827 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3828 Delete (empty except comments, #includes of other deleted
3829 files, and macros used nowhere).
3831 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3833 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3834 independent on TARGET_FLAGS.
3836 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3838 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3840 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3842 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3844 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3845 LAST_REX_SSE_REG): define.
3846 (enum reg_class): Add 'LEGACY_REGS'
3847 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3848 (SSE_REGNO_P): Recognize extended registers.
3849 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3850 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3851 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3852 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3853 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3854 REG_OK_FOR_STRREG_P): Remove.
3855 (HI_REGISTER_NAMES): Add extended registers.
3856 (ADDITIONAL_REGISTER_NAMES): Likewise.
3857 (QI_REGISTER_NAMES): Add 8bit extended registers.
3858 (DEBUG_REG): Support extended registers.
3859 * i386.c (regclass_map): Add extended registers.
3860 (dbx_register-map): Likewise.
3861 (svr4_dbx_register_map): Likewise.
3862 (print_reg): Support extended registers.
3863 (print_operand): Support 64bit operands.
3865 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3867 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3868 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3869 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3870 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3871 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3872 STACK_BOUNDARY): Set properly for 64bits.
3873 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3874 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3875 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3876 (MOVE_MAX): Set to 16.
3877 (MOVE_MAX_PIECES): 8 for 64bit.
3878 (Pmode): Set to SImode.
3880 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3882 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3884 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3886 * i386.h (mask_64bit): New constant.
3887 (target_64bit): New macro.
3888 (target_options): Add '64'/'32'
3889 (target_default): Define.
3890 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3891 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3892 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3894 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3896 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3898 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3900 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3901 LO_SUM unless for_alias is set.
3903 2001-03-08 Stan Shebs <shebs@apple.com>
3905 * objc/objc-act.c: Fix old typos in comments, add comments for
3907 (hash_init): Fix file name in error message.
3908 (hash_enter): Ditto.
3909 (hash_add_attr): Ditto.
3910 (continue_class): Ditto.
3912 2001-03-08 Bruce Korb <bkorb@gnu.org>
3914 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3915 wait4() can receive the signal.
3917 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3919 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3921 * fixinc/fixincl.x: Regenerate.
3923 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3925 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3927 * fixinc/fixincl.x: Regenerate.
3929 2001-03-08 Richard Henderson <rth@redhat.com>
3931 * configure.in (HAVE_AS_LEB128): New assembler check.
3932 * configure, config.in: Rebuilt.
3934 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3936 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3939 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3941 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3942 references to the MAXPATHLEN macro.
3944 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3945 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3948 * config/i386/xm-gnu.h, config/xm-gnu.h,
3949 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3950 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3951 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3952 and/or unused files.
3954 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3955 doing so in various xm-*.h files.
3957 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3959 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3961 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3963 * configure.in (enable_shared): Support per-package shared-library
3965 * configure: Rebuilt.
3967 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3969 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3970 for crnot. Set operands[5] in splitter.
3972 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3974 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3975 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3976 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3977 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3978 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3979 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3980 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3983 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3984 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3985 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3986 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3987 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3988 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3989 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3990 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3991 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3992 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3993 Delete unused and/or empty files.
3995 * config.gcc: Define USG in xm_defines as appropriate. Define
3996 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3997 macro. Remove deleted xm-* files from $xm_files variable.
3999 2001-03-07 Tom Tromey <tromey@redhat.com>
4001 * configure: Rebuilt.
4002 * configure.in: Allow config-lang.in to set `lang_requires' to list
4003 of other required languages.
4005 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
4007 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
4009 (output_prologue): Use xmalloc not oballoc.
4010 (output_epilog): Free a29k_first_epilogue_insn when finished.
4011 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
4013 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
4015 * builtins.c (expand_builtin_mathfn): Check
4016 flag_unsafe_math_optimizations, not flag_fast_math.
4017 (expand_builtin): Likewise
4018 * combine.c (combine_simplify_rtx): Likewise.
4019 (simplify_if_then_else): Likewise.
4020 * cse.c (fold_rtx): Likewise.
4021 * flags.h: Remove flag_fast_math. Add
4022 flag_unsafe_math_optimizations and flag_trapping_math.
4023 * fold-const.c (negate_expr): Check
4024 flag_unsafe_math_optimizations, not flag_fast_math.
4025 (invert_truthvalue): Likewise.
4026 (fold): Likewise. Before associating operands, check that
4027 code == MULT_EXPR, not code != MULT_EXPR.
4028 * ifcvt.c (noce_try_minmax): Check
4029 flag_unsafe_math_optimizations, not flag_fast_math.
4030 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
4031 * invoke.texi: Document -funsafe-math-optimizations and
4032 -fno-trapping-math. Change documentation for -ffast-math.
4033 * jump.c (reversed_comparison_code_parts): Likewise.
4034 (rtx_equal_for_thread_p): Likewise.
4035 * optabs.c (emit_conditional_move): Likewise.
4036 * simplify-rtx.c (simplify_binary_operation): Likewise.
4037 (simplify_relational_operation): Likewise.
4038 (simplify_ternary_operation): Likewise.
4039 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
4040 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
4041 Add trapping-math and unsafe-math-optimizations entries to f_options.
4042 (set_fast_math_flags): New, sets flags for -ffast-math.
4043 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
4044 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
4045 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
4047 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
4048 (alpha_emit_conditional_move): Initialize local_fast_math to
4049 flag_unsafe_math_optimizations, not flat_fast_math.
4050 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
4051 instead of setting flag_fast_math to 1.
4052 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
4054 * config/i386/i386.c (override_options): Likewise
4055 * config/i386/i386.md: Likewise.
4056 * config/m68k/m68k.md: Likewise.
4057 * config/mips/mips.md: Likewise.
4058 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
4059 (rs6000_generate_compare): Likewise.
4061 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4063 * Makefile.in: Set RANLIB to @RANLIB@.
4066 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4068 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4069 * fixinc/fixincl.x: Regenerated.
4071 2001-03-07 Richard Henderson <rth@redhat.com>
4073 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4075 2001-03-07 Richard Henderson <rth@redhat.com>
4077 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4078 of block notes and exception handling notes.
4080 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
4081 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
4082 (compile_file): ... here.
4084 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4086 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
4088 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
4089 config.h now. Include libiberty.h to handle alloca.
4091 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4093 * c-parse.in (yylexname): New function, split out of _yylex.
4094 (objc_rid_sans_at): New table.
4095 (init_reswords): Initialize it.
4096 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4097 retrieving the next token and checking it for significance as
4098 an ObjC keyword or string constant.
4100 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
4101 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
4103 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
4106 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4108 * config/m68k/m68k.c (const_uint32_operand): Accept any
4109 const_int on a 32-bit host.
4111 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
4113 * objc/objc-act.c (init_objc): Set save_lang_status,
4114 restore_lang_status, and mark_lang_status.
4116 2001-03-06 Krister Walfridsson <cato@df.lth.se>
4118 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
4120 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
4122 * cppinternals.texi: Update.
4124 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4126 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4127 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
4128 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
4129 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4130 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
4131 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4132 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
4133 config/i386/xm-i386.h, config/i860/xm-i860.h,
4134 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4135 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
4136 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4137 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4138 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4139 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4140 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
4141 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4142 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
4143 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4144 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4145 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
4146 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
4147 match the defaults provided in hwint.h.
4149 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4150 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
4152 * config.gcc (xm_file): Don't set to files which are deleted.
4154 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
4155 guard this file against these macros being undefined.
4157 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4159 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
4160 and DECL_DEFER_OUTPUT on the decl we create, before calling
4161 rest_of_decl_compilation.
4163 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4165 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
4167 * configure, config.in: Regenerate.
4168 * config.gcc: Remove references to deleted files.
4170 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
4171 genrecog.c, rtl.c: Do not use alloca anywhere.
4173 * Makefile.in, build-make, system.h, config/x-interix,
4174 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
4175 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
4176 config/arc/xm-arc.h, config/arm/xm-arm.h,
4177 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4178 config/h8300/xm-h8300.h, config/i370/x-oe,
4179 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
4180 config/i386/x-ncr3000, config/i386/x-sco5,
4181 config/i386/xm-dgux.h, config/i860/x-sysv4,
4182 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
4183 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
4184 config/m68k/x-hp320g, config/m69k/x-mot3300,
4185 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
4186 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
4187 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
4188 config/m88k/x-sysv4, config/m88k/x-tekXD88,
4189 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4190 config/mips/x-iris, config/mips/x-iris3,
4191 config/mips/x-sni-svr4, config/mips/x-sysv,
4192 config/mips/xm-iris6.h, config/mips/xm-mips.h,
4193 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
4194 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
4195 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4196 config/pa/xm-papro.h, config/romp/xm-romp.h,
4197 config/rs6000/x-aix31, config/rs6000/x-aix41,
4198 config/rs6000/x-beos, config/rs6000/x-lynx,
4199 config/rs6000/x-mach, config/rs6000/x-rs6000,
4200 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
4201 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4202 config/sparc/x-sysv4, config/sparc/xm-linux.h,
4203 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
4204 config/vax/xm-vms.h: Eradicate all references to alloca and
4207 * config/xm-alloca.h, config/clipper/x-clix,
4208 config/i386/xm-sysv4.h, config/i860/x-fx2800,
4209 config/i860/x-sysv3, config/m88k/x-sysv3,
4210 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
4211 (contained only alloca related hacks).
4213 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
4216 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
4218 * invoke.texi: Document __FAST_MATH__.
4220 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4222 * crtstuff.c: Restore include of auto-host.h.
4224 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
4226 Put main() in a separate file, so that the language
4227 front-end can use a different main().
4230 * toplev.c: (main): Rename as toplev_main.
4231 * toplev.h: Declare toplev_main.
4232 * Makefile.in (OBJS): add toplev.o.
4233 (BACKEND): remove toplev.o, add main.o.
4235 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4237 * cppfiles.c (search_from): Special case the empty string.
4239 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
4241 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
4242 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4243 strlen or strcpy; we already know the length.
4244 (_cpp_compare_file_date): Similarly.
4245 * cpphash.h (struct cpp_reader): Delete done_initialising.
4246 (CPP_PREV_BUFFER): Delete.
4247 * cppinit.c (cpp_start_read): Don't set done_initialising.
4248 * cpplex.c (parse_string): Guarantee null-termination.
4249 (_cpp_equiv_toklists): Remove.
4250 * cpplib.c (glue_header_name): Null-terminate.
4251 (do_line): Don't leak memory.
4252 * cpplib.h (BT_WEAK): Delete.
4253 * cppmain.c (cb_ident): Strings are now null-terminated.
4255 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
4257 * gcc.c (convert_filename): Append executable suffix
4258 if NO_AUTO_EXE_SUFFIX is not defined.
4259 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
4260 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
4262 2001-03-03 David O'Brien <obrien@FreeBSD.org>
4264 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
4265 * c-parse.gperf, c-gperf.h: Delete.
4266 (c-gperf.h was accidently re-added to the CVS repo in the rev
4267 1.16 commit by tromey)
4269 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4271 * cpplex.c (_cpp_lex_token): Don't warn about directives in
4272 macro arguments when looking for the '('.
4273 * cppmacro.c (funlike_invocation_p): Set parsing_args to
4274 2 when really parsing arguments; 1 when looking for '('.
4275 Always restore the lexer position.
4277 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4279 * longlong.h (umul_ppmm): Don't use a multiline string.
4281 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
4283 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
4284 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
4285 t_bool in declaration because pcc can't combine volatile with typedef
4288 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
4290 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
4291 until when it is really needed.
4292 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
4293 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
4294 * i386.md (float?i?f splitter): Don't force source operand to memory
4296 (sse_movdfcc): Fix constraint.
4297 (sse_movdfcc splitter): Handle properly the second alternative.
4299 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4301 * cpplex.c (parse_string): Unconditionally pedwarn.
4303 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
4306 * cppexp.c (parse_number): Update.
4307 * cpplex.c (parse_string): Pedwarn if multiline string does not
4308 result from a system header's macro.
4309 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
4310 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
4311 for function-like macros too.
4312 * c-lex.c (lex_number): Update.
4314 2001-03-03 Richard Henderson <rth@redhat.com>
4316 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4318 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4320 * combine.c (try_combine): If split with mode-changed scratch
4321 register didn't work, try the original mode.
4323 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4325 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4326 * config/c4x/c4x.h: Likewise.
4327 * stor-layout.c (compute_record_mode): Likewise.
4328 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4330 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4332 * configure.in: Kill tm.h. Include the files in the $tm_file
4333 list in all three of config.h, hconfig.h, tconfig.h, after the
4334 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4335 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4336 * configure: Regenerate.
4337 * Makefile.in (clean): Don't delete tm.h.
4339 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4340 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4341 those are not defined, set SEC and FEC to 0 and 1.
4342 * gcc.texi: Update to match.
4344 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4345 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4346 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4347 Include tconfig.h, not tm.h.
4349 * config/xm-lynx.h, config/xm-std32.h,
4350 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4351 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4352 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4353 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4354 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4355 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4356 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4357 config/i386/xm-i386.h, config/i860/xm-i860.h,
4358 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4359 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4360 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4361 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4362 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4363 config/pa/xm-linux.h, config/pa/xm-pa.h,
4364 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4365 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4366 config/pj/xm-pj.h, config/romp/xm-romp.h,
4367 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4368 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4369 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4370 config/v850/xm-v850.h, config/vax/xm-vax.h,
4371 config/we32k/xm-we32k.h:
4373 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4375 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4376 config/i370/xm-oe.h: Don't include tm.h. Don't define
4378 * config/vax/xm-vms.h: Don't include tm.h.
4380 * config/xm-lynx.h, config/avr/xm-avr.h,
4381 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4382 Delete; made empty by above changes.
4383 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4384 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4385 Don't include config/xm-lynx.h or tm.h.
4387 * config/xm-gnu.h: Don't include fcntl.h.
4388 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4390 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4392 2001-03-02 Richard Henderson <rth@redhat.com>
4394 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4395 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4397 2001-03-02 Richard Henderson <rth@redhat.com>
4399 * Makefile.in (OBJS): Add dwarf2asm.o.
4400 * dwarf2asm.c, dwarf2asm.h: New files.
4401 * dwarf2out.c (*): Use them.
4402 (size_of_uleb128, size_of_sleb128): Remove.
4403 (output_uleb128, output_sleb128): Remove.
4404 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4405 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4406 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4407 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4408 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4409 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4410 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4411 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4412 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4413 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4414 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4415 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4416 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4417 (dwarf2out_frame_debug): Remove unused variables.
4418 (output_loc_operands): Don't abort on 8 byte constants if
4419 host integers are wide enough.
4420 (output_symbolic_ref): Remove.
4421 (size_of_die): Don't assume 4 byte host integers.
4422 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4424 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4425 something stupid with HOST_WIDE_INT to long truncation.
4426 [CONST_DOUBLE]: Likewise.
4428 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4429 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4430 * config/arm/unknown-elf.h: Likewise.
4431 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4432 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4433 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4434 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4435 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4436 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4437 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4438 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4439 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4440 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4441 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4442 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4444 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4446 * cselib.c (hash_rtx): Cast enums to unsigned int.
4448 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4450 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4451 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4453 * c-format.c (C_STD_VER): Cast to int for comparisons.
4454 (check_function_format): Cast various enums to int for &.
4455 (maybe_read_dollar_number): Likewise.
4456 (check_format_info): Likewise.
4457 (check_format_info_main): Likewise.
4458 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4459 (safe_from_p): Likewise.
4460 * varasm.c (const_hash): Cast enum to int for %.
4461 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4462 pcc enum problems with < and ++ operators.
4463 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4464 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4465 (regclass_init): Change enum class to int to iterate over reg_classes.
4466 * genrecog.c (merge_trees): Cast enums for comparison.
4467 * rtl.h (GET_CODE): Cast to enum rtx_code.
4468 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4469 (GET_MODE): Cast to enum machine_mode.
4470 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4471 (GET_NOTE_INSN_NAME): Cast enum to int.
4472 * tree.h (TREE_CODE): Cast to enum tree_code.
4473 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4474 * timevar.c (timevar_print): Change loop variable id from enum to
4476 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4477 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4478 * toplev.c (compile_file): Cast enum DFI to int.
4479 (decode_d_option): Likewise.
4481 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4483 * cppinit.c (append_include_chain): Mark "after" include file name list
4484 as a system directory.
4485 * cpp.texi: Document new behavior.
4487 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4489 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4491 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4493 * cppfiles.c (struct include_file): Update.
4494 (stack_include_file): Use search_from.
4495 (cpp_included, find_include_file): Update.
4496 (cpp_execute_include): Update. ptr->name may not be
4497 null terminated. Use the new search_from member variable
4499 (_cpp_compare_file_date): Similarly.
4500 (search_from): New function, similiar to actual_directory.
4501 (actual_directory): Delete.
4502 (remap_filename): Update. loc->name may not be null terminated.
4503 (struct file_name_list): Rename search_path. Update.
4504 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4505 search_from and dir.
4506 (struct cpp_reader): Remove actual_dirs.
4507 * cppinit.c (struct cpp_pending): Update for renamed objects.
4508 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4509 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4510 * cpplib.h (struct cpp_options): Similarly.
4512 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4514 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4515 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4516 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4517 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4518 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4519 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4520 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4521 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4522 config/i370/xm-oe.h, config/i386/xm-aix.h,
4523 config/i386/xm-i386.h, config/i386/xm-osf.h,
4524 config/i860/xm-i860.h, config/i960/xm-i960.h,
4525 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4526 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4527 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4528 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4529 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4530 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4531 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4532 config/pj/xm-pj.h, config/romp/xm-romp.h,
4533 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4534 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4535 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4536 config/v850/xm-v850.h, config/vax/xm-vax.h,
4537 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4538 Do not define TRUE or FALSE.
4540 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4541 empty by above change.
4542 * config.gcc: Remove references to these files.
4544 * configure.in: Detect stdbool.h.
4545 * configure, config.in: Regenerate.
4546 * system.h: Include stddef.h here if available.
4547 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4548 Then set up a sensible boolean type at the very end.
4550 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4551 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4553 * hash.h: Delete 'boolean' typedef and related #undefs.
4555 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4556 all uses of 'boolean' with 'bool'.
4558 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4560 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4561 * cppexp.c (lex): Cast enums for comparison.
4562 * cppinit.c (parse_option): Cast enum for comparison.
4563 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4564 (cpp_output_token): Likewise.
4565 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4566 (cpp_avoid_paste): Cast enums for minus and comparison.
4568 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4570 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4571 field to all array elements.
4573 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4575 * cpphash.h (struct cpp_reader): Add print_version field.
4576 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4577 just set print_version and other flags as appropriate.
4578 (cpp_post_options): Print version here if print_version is set.
4580 * toplev.c (exit_after_options): New flag.
4581 (independent_decode_option): Don't exit here; just set
4583 (main): Exit after calling lang_hooks.post_options if
4584 exit_after_options is true.
4586 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4587 (merge_include_chains): Adjust comment to match code.
4589 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4591 * stringpool.c (set_identifier): New function.
4592 * tree.h: Prototype it.
4594 * c-parse.in: Kill D_YES. If compiled for objc, call
4595 save_and_forget_protocol_qualifiers from init_reswords.
4596 * objc/objc-act.c (remember_protocol_qualifiers,
4597 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4598 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4600 (save_and_forget_protocol_qualifiers): New function.
4601 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4603 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4605 * c-semantics.c (prune_unused_decls): Return error_mark_node
4606 instead of (tree) 1 to stop traversing the tree chain.
4608 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4610 Fix a problem introduced by Kenner's Feb 18 change.
4611 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4612 flag_cse_skip_blocks only temporarily, not for ever.
4614 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4616 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4617 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4619 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4620 before determining its register class.
4622 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4624 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4625 from reg 4 if current_function_calls_setjmp.
4626 (gen_nop_type): New function.
4627 (ia64_emit_nops): New function.
4628 (ia64_reorg): Call it.
4629 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4631 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4632 code not to try to optimize adds with anything but a REG destination.
4634 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4635 (INSN_PRIORITY_KNOWN): New accessor macro.
4636 * haifa-sched.c (priority): Use it instead of testing priority against
4639 2001-02-28 DJ Delorie <dj@redhat.com>
4641 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4642 since that doesn't work the way gcc wants on a generic m68k.
4644 2001-02-28 Richard Henderson <rth@redhat.com>
4646 * caller-save.c (save_call_clobbered_regs): Fix typo in
4647 comparison last change.
4649 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4651 * i386.c (pentium4_cost): New.
4652 (m_PENT4): New macro.
4653 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4654 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4655 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4656 x86_memory_mismatch_stall): Add Pentium4
4657 (x86_use_q_reg, x86_use_any_reg): Kill.
4658 (override_options): Add pentium4.
4659 (incdec_operand): Return 0 for pentium4.
4660 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4661 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4662 (TARGET_PENTIUM4): Define.
4663 (enum processor_type): Add PROCESSOR_PENTIUM4.
4664 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4665 * i386.md (attribute "cpu"): Add pentium4.
4666 * invoke.texi (march): Add pentium4.
4668 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4670 * i386.md (sse_mov?fcc*): New patterns and splitters.
4671 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4672 the SSE based conditional moves.
4674 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4676 * i386.md (attribute mode): Add "TI".
4677 (movsf_1): Add pxor support; remove constant propagation splitter.
4678 (movdf_integer): Likewise.
4679 (movdf_nointeger): Likewise.
4680 (movxf constant prop splitter): Handle all modes; update for SSE.
4681 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4682 * i386.c (standard_80387_constant_p): Rewrite.
4683 (standard_sse_constant_p): New.
4684 * i386-protos.h (standard_sse_constant_p): New.
4686 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4688 * i386.md (sse_setccsf, sse_setccdf): New.
4689 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4691 * i386.c (sse_comparison_operator): Accept the supported unordered
4692 comparses; be ready for fast_math.
4693 (print_operand): Support 'D'.
4695 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4697 * jump.c (reversed_comparison_code): Kill.
4699 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4701 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4704 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4706 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4707 add missing '%' in constraints.
4709 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4711 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4712 for HOST_BITS_PER_WIDE_INT == 32 too.
4714 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4716 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4718 (insert_save, insert_restore): New parameter save_mode.
4719 (init_caller_save): Update initialization of reg_save_code
4720 and reg_restore_code.
4721 (save_call_clobbered_regs): Compute save_modes and update calls to
4722 reg_save_code and reg_restore_code.
4723 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4724 of spill; update use of reg_restore_code.
4725 (insert_save): Likewise.
4726 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4727 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4728 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4730 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4732 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4733 noce_try_store_flag_inc, noce_try_store_flag_mask,
4734 noce_try_cmove_arith):
4735 Use reversed_comparison_code instead of reverse_comparison and
4736 can_reverse_comparison_p.
4738 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4740 * jump.c (reversed_comparison_code_parts): Allow reversal of
4741 unordered compares in -ffast-math mode; reverse ordered compares
4742 for FP even w/o -ffast-math.
4744 2001-02-27 Richard Henderson <rth@redhat.com>
4746 * print-rtl.c (print_rtx) [i]: Don't print field five on
4747 NOTEs other than NOTE_INSN_DELETED_LABEL.
4749 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4751 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4752 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4754 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4756 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4757 even if walk_subtrees is 0.
4758 * c-semantics.c (prune_unused_decls): Return a non-null value to
4759 stop traversing the tree chain.
4761 2001-02-27 DJ Delorie <dj@redhat.com>
4763 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4764 register, *then* define it as the new CFA.
4766 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4768 * pa.c (override_options): Promote -fpic to -fPIC.
4769 (legitimize_pic_address): Simplify due to removal of
4770 small PIC as a code generation option.
4771 (secondary_reload_class): Similarly.
4772 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4773 (PRINT_OPERAND_ADDRESS): Similarly.
4774 * pa.md (various patterns): Similarly.
4775 (small pic lo_sum pattern): Remove.
4777 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4780 * md.texi (min, max): Document
4782 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4784 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4785 TARGET_PARTIAL_REG_DEPENDENCY.
4786 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4788 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4790 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4792 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4794 * mips.c (mips_make_temp_file): Fix thinko in last change.
4796 2001-02-26 Jason Eckhardt <jle@redhat.com>
4798 * combine.c (known_cond): Do not reverse the condition when
4799 SMAX/UMAX is being considered and the condition is for equality
4802 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4804 2001-02-26 Philip Blundell <philb@gnu.org>
4806 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4808 * config/arm/linux-elf.h: Remove historical relics related to
4809 above configurations.
4810 * config/arm/linux-oldld.h: Delete.
4811 * config/arm/linux-elf26.h: Delete.
4813 2001-02-26 Jason Merrill <jason@redhat.com>
4815 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4817 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4818 recognize a tentative definition. Lose obsolete code.
4820 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4821 variables unless necessary, either.
4823 2001-02-25 Richard Henderson <rth@redhat.com>
4825 * ifcvt.c (struct noce_if_info): Add test_bb.
4826 (noce_get_alt_condition): New.
4827 (noce_try_minmax, noce_try_abs): New.
4828 (noce_operand_ok): New.
4829 (noce_process_if_block): Use them.
4830 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4832 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4834 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4837 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4839 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4840 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4842 (mips_asm_file_end): Free temp_filename here.
4844 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4846 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4847 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4849 * config/i386/i386.md (movstrsi): Handle FAIL case.
4851 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4853 * cppinit.c (builtin_array): Update.
4854 (init_builtins): Flag builtins to warn if redefined or
4855 undefined. Define __GXX_WEAK as a normal macro.
4856 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4857 * cpplib.h (NODE_WARN): New flag.
4858 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4859 Handle __STDC__ as a builtin only on Solaris.
4860 (warn_of_redefinition): Renamed from check_macro_definition.
4861 Reverse sense of test. Always warn if NODE_WARN.
4862 (_cpp_create_definition): Use warn_of_redefinition. Flag
4863 any macro beginning with "__STDC_" to require a mandatory
4864 warning if redefined or undefined.
4866 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4868 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4869 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4870 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4871 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4872 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4873 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4874 Don't define any of:
4875 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4876 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4877 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4878 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4879 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4881 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4882 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4885 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4886 Delete now-empty file.
4888 * alpha/vms.h: Define NEED_ATEXIT here...
4889 * alpha/xm-vms.h: ...not here.
4891 * i386/cygwin.h: Don't define PARAMS.
4892 * mips/mips.c: Don't prototype mktemp. Don't define
4893 P_tmpdir. Use make_temp_file to create temporary files.
4894 Don't be clever and delete temporary files early.
4895 * config.gcc: Drop references to deleted files. Don't define
4897 * gcc.texi: Don't mention USE_PROTOTYPES.
4899 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4901 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4902 (ix86_set_move_mem_attrs_1): Likewise.
4903 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4904 * config/i386/i386.md (movstrsi): Call it.
4906 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4908 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4909 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4910 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4911 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4913 (i750a-*-*): Error here if hosting on i750a.
4914 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4916 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4917 Remove (empty modulo comments).
4919 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4920 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4921 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4922 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4923 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4924 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4926 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4927 Remove reference to winnt.h in comment.
4928 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4930 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4932 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4933 used to set another biv.
4935 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4937 * tree.h (BLOCK_DEAD): New macro.
4938 (struct tree_block): New flag, dead_flag.
4939 * print-tree.c (print_node, case 'b'): Print missing fields.
4940 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4941 * function.c (identify_blocks): Enable test for misplaced notes.
4942 (all_blocks): Skip BLOCK_DEAD blocks.
4943 * integrate.c (integrate_decl_tree): Likewise.
4945 * errors.c (internal_error, trim_filename): New functions.
4946 (fancy_abort): Call internal_error.
4947 * errors.h (internal_error, trim_filename): New declarations.
4949 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4951 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4953 (EXTRA_CONSTRAINT): Formatting changes.
4955 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4957 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4959 2001-02-23 Per Bothner <per@bothner.com>
4961 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4962 so they can be called from java/jvspec.c.
4963 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4965 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4967 * i386.c (ix86_frame): New structure.
4968 (ix86_compute_frame_size): Kill.
4969 (ix86_compute_frame_layout): New.
4970 (ix86_save_reg): New.
4971 (ix86_can_use_return_insn_p): Use frame layout stuff.
4972 (ix86_expand_prologue): Likewise.
4973 (ix86_expand_epilogue): Likewise.
4974 (ix86_initial_elimination_offset): Likewise.
4975 (ix86_nsaved_regs): Use ix86_save_reg.
4976 (ix86_emit_save_regs): Likewise.
4978 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4980 * flow.c (find_sub_basic_blocks): New function.
4981 (split_block): Be ready for basic block introduced by CODE_LABEL.
4982 (commit_one_edge_insertion): Call find_sub_basic_block.
4984 * flow.c (make_edges): Add edge from entry for blocks starting with
4985 label having ALTERNATE_NAME
4987 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4989 * function.c (epilogue_done): Be ready for first basic block not
4990 containing PROLOGUE_END note.
4991 (reposition_prologue_and_epilogue_notes): Avoid placing
4992 PROLOGUE_END note between BASIC_BLOCK.
4994 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4996 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4998 2001-02-21 DJ Delorie <dj@redhat.com>
5000 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
5001 check for current_function_has_nonlocal_goto from 1999-11-12.
5003 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5005 * diagnostic.c (trim_filename): No longer static.
5006 * toplev.h (trim_filename): Declare.
5007 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5008 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5009 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5010 (rtvec_check_failed_bounds): Likewise.
5011 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5013 * convert.c (convert_to_integer): Don't do unsigned unless result or
5014 both inputs are unsigned.
5016 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5019 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5021 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5023 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5025 * Makefile.in (resource.o): Add params.h dependence.
5026 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5027 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5028 * resource.c: Add dependence on params.h.
5029 (current_live_regs): Fix explanatory comment.
5030 (find_basic_block): Add new parameter to permit limiting search
5032 (mark_target_live_regs): Add new argument to find_basic_block call.
5033 (incr_ticks_for_insn): Likewise.
5035 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
5037 * diagnostic.c (output_to_stream): Rename to
5038 output_buffer_to_stream. Loses the stream parameter.
5039 (init_output_buffer): Set diagnosic_buffer's stream.
5040 (flush_diagnostic_buffer): Adjust.
5041 (default_print_error_function): Likewise.
5042 (finish_diagnostic): Likewise.
5043 (verbatim): Likewise.
5045 * diagnostic.h (struct output_buffer): Add `stream' field.
5046 (output_buffer_attached_stream): New macro.
5048 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5050 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5051 check if either operand is divisible by C.
5052 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5053 If type is signed, consider negative numbers as well.
5055 2001-02-22 Richard Henderson <rth@redhat.com>
5057 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5058 reach .text instead of gp-relative relocs.
5059 * config/ia64/crtend.asm (.init): Likewise.
5061 2001-02-22 Andreas Jaeger <aj@suse.de>
5063 * extend.texi (C++ Attributes): Fix typo.
5065 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5067 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5068 functions, drop current_function_args_info.words test.
5069 (ia64_compute_frame_size): Mark syscall_linkage functions as
5070 using eight input registers.
5072 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5073 Bruce Korb <bkorb@gnu.org>
5075 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5076 * fixinc/README: Document how to convert sed substitutions
5077 to format style c_fix-es.
5078 * fixinc/fixincl.x: regen
5080 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
5082 * gcc.c: Add comment explaining how to add a command-line option.
5083 Add title to specs language comment.
5085 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5087 * gcc.c (cc1_options): Add "-param".
5088 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
5089 (option_map): Likewise.
5090 * toplev.c (display_help): Add entry for "--param".
5091 (independent_decode_option): Fix typographical error.
5093 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
5094 Bernd Schmidt <bernds@redhat.com>
5095 Jan Hubicka <jh@suse.cz>
5097 * i386.c (function_arg_advance): Pass SSE arguments in registers.
5098 (function_arg): Likewise.
5100 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
5102 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5104 2001-02-21 Kazu Hirata <kazu@hxi.com>
5106 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5110 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
5112 * flow.c (init_propagate_block_info): Canon address and use single_set
5113 for killing dead memory stores.
5115 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5117 * Makefile.in (reorg.o): Add params.h dependence.
5118 * params.def: Fix typographical error in comment.
5119 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5120 * params.h: Modify introductory comment.
5121 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5122 * reorg.c: Add dependence on params.h.
5123 (redundant_insn): Add parameterized throttle for search.
5124 (fill_simple_delay_slots): Add a comment explaining a variable.
5125 Move conditional out of loop, simplifying code.
5126 (fill_eager_delay_slots): Fix typographical error in comment.
5128 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
5130 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
5132 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
5133 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
5135 2001-02-21 Jason Merrill <jason@redhat.com>
5137 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5138 (struct tree_decl): Add uninlinable bitfield.
5139 * c-decl.c (duplicate_decls): Set it.
5140 * integrate.c (function_cannot_inline_p): Check it.
5142 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5143 DW_AT_MIPS_linkage_name to abstract methods.
5144 (dwarf2out_abstract_function): Emit class context before calling
5145 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5146 (gen_subprogram_die): Remove obsolete code.
5147 (gen_member_die): Don't include clones in the member list.
5148 (gen_decl_die): Emit abstract info for clone origin.
5149 * dwarfout.c (output_type): Don't include clones in the member list.
5150 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5151 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5152 DECL_ABSTRACT on a function that already has it set.
5154 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5155 (get_subprogram_die): Pass it in.
5157 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5159 * flow.c (mark_set_1): Make not_dead unsigned long. For
5160 non-pseudos, use it as a bitmask of the hard regs that
5163 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5165 * cppfiles.c: Update comments.
5166 (_cpp_read_file): Don't check for NULL filenames any more.
5167 * cppinit.c (cpp_start_read): Don't do canonicalization of
5168 in_fname and out_fname. Use the passed file name exclusively.
5169 (_cpp_handle_options): Don't treat "-" as a command line option,
5170 but as a normal filename.
5171 (_cpp_post_options): Canonicalize in_fname and out_fname.
5172 * cppmain.c (printer_init): Don't check out_fname for NULL.
5173 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5174 (init_c_lex): Update, and use "" to represent stdin to CPP.
5177 2001-02-20 Will Cohen <wcohen@redhat.com>
5179 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5180 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5181 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5184 2001-02-20 Stan Shebs <shebs@apple.com>
5186 * config/rs6000/rs6000.c (output_cbranch): Output branches
5187 on separate lines instead of using ';' to separate.
5189 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
5191 * cppinit.c (set_lang): Move builtin handling to...
5192 (init_builtins): ...here.
5193 (_cpp_create_reader): Move call to set_lang.
5195 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5197 * stmt.c (expand_return): If an attempt is made to return the
5198 error_mar_node, treat the return like a return without a value.
5200 2001-02-19 Zack Weinberg <zackw@stanford.edu>
5202 * sibcall.c (skip_copy_to_return_value): Call
5203 identify_call_return_value here, and return orig_insn if it
5204 returns zero. Hardret and softret arguments now unnecessary.
5205 (call_ends_block_p): Don't call identify_call_return_value here.
5207 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5209 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5210 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5212 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
5214 * pa.c (move_operand): Accept code to load the address of a
5215 symbol out of the DLT as a valid move operand.
5216 (print_operand, case 'A'): New to handle generating a DLT
5217 reference for a LO_SUM expression.
5218 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5219 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5221 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5223 * README, cpp.texi, gcc.texi, version.c: Update version number to
5225 * cpp.1, gcov.1, gcc.1: Regenerate.
5227 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
5229 * cppfiles.c (stack_include_file): Generate dependencies
5230 here, and manage include_count here too.
5231 (PRINT_THIS_DEP): Delete.
5232 (_cpp_execute_include): Do not generate dependencies here,
5233 apart from the case of a missing header. Do not manage
5235 (_cpp_read_file): Leave dependency generation to
5238 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
5240 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5241 target_cpu_default. Remove dead assignment to
5244 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
5246 * regclass.c (contains_reg_of_mode): Make global.
5247 (init_reg_sets): Remove contains_reg_of_mode; take into account
5248 CLASS_MAX_NREGS when looking for the proper mode.
5249 (dump_regclass): Dump only classes considered for the pseudo.
5250 (regclass): Use contains_reg_of_mode.
5252 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
5254 * gcc.c (do_spec_1): 'n' for printing notices.
5255 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5257 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
5259 * reg-stack.c (next_flags_user): Use current_block->end
5260 (swap_rtx_condition): Look for next user if flags don't die;
5261 give up on CALL_INSNs; use current_block->end.
5263 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5265 * sibcall.c (call_ends_block_p): New function.
5266 (optimize_sibling_and_tail_recursive_call): Use it.
5268 2001-02-18 Kazu Hirata <kazu@hxi.com>
5270 * config/h8300/h8300.md: Update copyright.
5271 (andsi3): Do not output an extra newline character.
5273 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5275 * toplev.c (note_deferral_of_defined_inlined_function): Argument
5276 FNDECL may be unused.
5278 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
5279 follow jumps after first run.
5280 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
5281 it doesn't change any jumps.
5283 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
5285 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5286 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5287 (mostlyclean): Corresponding changes.
5288 * rtlanal.c (hard-reg-set.h): Include.
5289 (rtx_unstable_p): Do not treat the argument pointer specially
5290 if it is not a fixed register.
5291 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5293 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5295 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
5296 against last real insn in basic block.
5297 Rework to avoid gotos.
5299 * Makefile.in (gcse.o): Now includes ggc.h.
5300 * gcse.c: Include ggc.h.
5301 (want_to_gcse_p): Verify expression can be in SET as valid insn.
5302 (try_replace_reg): Remove warning of uninitialize variable.
5303 (process_insert_insn): Call invalid_insn_p to validate insn.
5304 * recog.c (insn_invalid_p): Now global.
5305 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
5306 * recog.h (insn_invalid_p): New declaration.
5308 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
5310 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5311 assignments from FP constants since 'Y' output code can't handle it.
5312 (eligible_for_sibcall_delay): Likewise.
5314 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
5315 Call fancy_abort directly, passing args.
5316 (print_rtl_and_abort): Now a macro, like fancy_abort.
5318 * final.c (output_operand_lossage): Use internal_error, not error.
5320 2001-02-18 Shane Nay <shane@agendacomputing.com>
5322 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5323 structure shift insns.
5325 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5327 * invoke.texi (-fsquangle): Remove documentation.
5328 (-fname-mangling-version): Likewise.
5330 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5332 * optabs.c (expand_abs): Remove reference to
5333 HAVE_contitional_arithmetic.
5334 * combine.c (simplify_set): Likewise.
5336 2001-02-18 Richard Henderson <rth@redhat.com>
5338 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5341 2001-02-18 Richard Henderson <rth@redhat.com>
5343 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5345 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5347 * reload1.c (reload_cse_simplify_set): Fix typo.
5349 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5351 * diagnostic.c (_fatal_insn): Decrement errorcount.
5353 * invoke.texi (-I): Add note avoiding use for system header files.
5355 * rtl.h (add_clobbers): Remove duplicate declaration.
5356 * recog.h (added_clobbers_hard_reg_p): New declaration.
5357 * genemit.c (struct clobber_pat): New field has_hard_reg.
5358 (gen_insn): Record if added clobbers clobber hard reg.
5359 (gen_split): Avoid unused warning if number of operands is 0.
5360 (output_added_clobbers_hard_reg_p): New function.
5363 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5365 * pa.c (hppa_expand_prologue): Simplify code storing return
5366 pointer. For large (>=8k) frames with a post_store, adjust stack
5367 pointer by 8k-64 first rather than by 64. When testing with
5368 VAL_14_BITS_P, always use the actual value rather than the value
5369 negated. Add blockage to prevent scheduling of spills before
5370 stack frame has been created.
5371 (hppa_expand_epilogue): Simplify code loading return pointer.
5372 Allow a slightly larger range for merge_sp_adjust_with_load case.
5373 When testing with VAL_14_BITS_P, always use the actual value.
5375 * pa.c (pa_adjust_insn_length): Check that block move
5376 pattern is a set before looking at operands.
5378 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5380 * fold-const.c (fold_binary_op_with_conditional_arg): New
5381 function, split out from ...
5383 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5384 conditional arms that throw exceptions.
5386 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5389 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5391 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5392 define HAVE_DECL_* to 1 to mask potential backup declarations.
5393 * configure: Regenerated.
5395 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5397 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5399 2001-02-17 Richard Henderson <rth@redhat.com>
5401 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5402 when replacing a memory load with a register.
5404 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5405 Jan Hubicka <jh@suse.cz>
5407 * recog.c (validate_replace_src_1): New.
5408 (validate_replace_src_data): Likewise.
5409 (validate_replace_src): Use note_uses.
5410 * rtl.h (note_uses): Declare.
5411 * rtlanal.c (note_uses): New.
5413 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5415 * reg-stack.c (stack_def): Make field reg unsigned.
5416 (remove_regno_note): Unsignetize parameter.
5418 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5420 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5421 shladd_operand() call.
5423 2001-02-16 Bruce Korb <bkorb@gnu.org>
5424 Rodney Brown <RodneyBrown@mynd.com>
5426 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5427 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5428 machine restrictions
5429 * fixinc/fixincl.x: regen
5431 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5433 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5435 (hash_scan_insn): Clean up calls to hash_scan_set.
5436 (compute_kill_rd): REGNO now unsigned.
5437 (try_replace_reg): Rework to use simplify_replace_rtx.
5438 (cprop_jump, cprop_cc0_jump): Likewise.
5439 (cprop_insn): Call find_reg_equal_equiv_note.
5440 Reflect changes to cprop_jump and cprop_cc0_jump.
5442 * recog.c (validate_replace_src): Replace in operands of
5443 ZERO_EXTRACT in SET_DEST.
5445 * cse.c (new_label_ref): New variable.
5446 (insert): Set it instead of recorded_label_ref.
5447 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5448 CODE_LABEL for this function, and not already in REG_LABEL note.
5450 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5452 * resource.c (mark_referenced_resources): Fix typo in introductory
5454 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5457 2001-02-16 Jason Merrill <jason@redhat.com>
5459 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5461 (gen_subprogram_die): Don't abort on seeing a second definition if
5462 the previous one was abstract. Don't replace an abstract instance
5463 in the lookup table.
5465 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5466 gen_abstract_function.
5467 * dwarf2out.h: Declare it.
5468 * toplev.c (note_outlining_of_inline_function): New fn.
5469 * toplev.h: Declare it.
5470 * integrate.c (output_inline_function): Call it.
5471 * c-decl.c (duplicate_decls): Call it when redefining an extern
5472 inline. Don't inline the new defn.
5474 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5476 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5478 * .gdbinit: Rename to gdbinit.in.
5479 * gdbinit.in: New file,
5480 * configure.in: Generate .gdbinit from gdbinit.in.
5481 * configure: Regenerated.
5482 * Makefile.in (distclean): Always remove .gdbinit.
5484 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5486 * objc/objc-act.c (start_class): Register implemented_classes with
5489 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5491 * cppfiles.c (_cpp_make_system_header): Generate a file
5494 2001-02-15 Jim Meyering <meyering@lucent.com>
5496 * Makefile.in (install-common): Don't depend on installdirs here.
5497 Instead, make each of the lang.install-common targets (e.g.,
5498 c++.install-common in cp/Make-lang.in) depend on it.
5499 (install-driver): Depend on installdirs.
5501 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5503 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5505 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5508 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5510 * invoke.texi (--param): Document.
5512 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5514 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5516 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5518 * i386.md (extendsfdf2_2): Fix constraints.
5520 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5522 * i386.md (fop_df_3 splitter): Fix operand number.
5524 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5526 * invoke.texi (-mreg-alloc): Nuke.
5527 * i386.c (ix86_reg_alloc_order, regs_allocated,
5528 order_regs_for_local_alloc): Nuke.
5529 (override_options): Kill reg_alloc code.
5530 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5531 (REG_ALLOC_ORDER): SSE goes before I387.
5532 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5533 (ix86_reg_alloc_order): Likewise.
5534 * i386-protos.h (ix86_reg_alloc_order): Kill.
5536 2001-02-14 Richard Henderson <rth@redhat.com>
5538 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5540 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5542 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5544 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5546 * i386-protos.h (ix86_memory_move_cost): Move offline.
5547 * i386.c (ix86_register_move_cost): Compute properly cost of
5548 SSE, MMX and i387 instructions.
5549 (*_cost): Add costs of SSE/MMX moves.
5550 (ix86_memory_move_cost): Move offline from ....; Likewise.
5551 * i386.h (MEMORY_MOVE_COST): .... here;
5552 (struct processor costs): Add new fields to represent costs
5555 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5557 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5558 move_cost together with Matt Kraai's fix.
5560 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5562 * Makefile.in (OBJS): Add params.o.
5564 2001-02-14 Richard Henderson <rth@redhat.com>
5565 DJ Delorie <dj@redhat.com>
5567 * jump.c (jump_optimize_1): When we delete a conditional jump
5568 preceeding a non-conditional jump to effectively the same place,
5569 make sure that the combined jump skips any clobber insns between
5572 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5574 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5576 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5578 * Makefile.in (toplev.o): Depend on params.h.
5579 (intergate.o): Likewise.
5580 (params.o): New target.
5581 * flags.h (inline_max_insns): Remove.
5582 * integrate.c: Include params.h.
5583 Use MAX_INLINE_INSNS instead of inline_max_insns.
5584 * params.c: New file.
5585 * params.h: Likewise.
5586 * params.def: Likewise.
5587 * toplev.c: Include params.h.
5588 (lang_independent_params): New variable.
5589 (decode_f_option): Use the param machinery instead of setting
5591 (independent_decode_option): Handle "--param name=value".
5592 (main): Register language-independent parameters.
5594 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5596 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5598 2001-02-14 Richard Henderson <rth@redhat.com>
5600 * regclass.c (init_reg_sets_1): Revert last two changes.
5602 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5604 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5605 (variable_size): Call put_pending_size.
5606 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5607 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5608 sizes list, put newly created SAVE_EXPR there as well.
5610 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5612 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5613 (errata_find_address_regs): load_group has only 2 entries.
5614 (errata_emit_nops): Likewise. shladd is not problematic.
5615 Clear last_group if nop was emitted.
5616 (fixup_errata): load_group has only 2 entries.
5619 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5621 * c-lex.c (lex_number): Only warn traditionally for U suffix
5622 outside system macros.
5623 * cppexp.c (parse_number): Similarly.
5624 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5625 * cppmacro.c (struct cpp_macro): New member node.
5626 (parse_args): Only warn about missing rest args if not
5628 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5629 (cpp_sys_objmacro_p): New.
5630 (_cpp_create_definition): Store the node with the macro defn.
5631 Remember if the macro is defined in a system header.
5633 2001-02-13 DJ Delorie <dj@redhat.com>
5635 * configure.in (check_languages): determine languages to check
5636 * Makefile.in (check-c++): alias for check-g++
5637 (check-f77): alias for check-g77
5638 (CHECK_TARGETS): depend on configured languages
5640 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5642 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5643 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5644 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5645 (sqrtextendsfdf2): Disable for SSE2.
5647 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5649 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5650 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5651 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5652 (sqrtextendsfdf2): Disable for SSE2.
5654 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5656 * i386.md (movsfcc_1): Support integer cmove instruction.
5657 (movdfcc_1): Likewise; new splitter.
5659 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5661 * i386.c (output_fp_compare): Support SSE.
5662 (prepare_fp_compare_args): SSE comparisons always support memory.
5663 * i386.h (TARGET_CMOVE): SSE imply cmove.
5664 * i386.md (cmp?f2): Enable for SSE too.
5665 (cmpfp_i*): Support SSE.
5667 (cmpfp_i_sse_only): New.
5668 (s*, b* fp expanters): Enable for SSE too.
5669 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5672 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5674 * regclass.c (init_reg_sets_1): Silence warning.
5676 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5678 * i386.md (sqrt?f2): Change to expander.
5679 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5681 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5683 * rtlanal.c (find_reg_equal_equiv_note): New function.
5684 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5685 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5686 * rtl.h: Add declarations for above functions.
5688 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5690 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5692 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5693 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5694 * flow.c (mark_regs_live_at_end): Likewise.
5695 (calculate_global_regs_live): Likewise.
5696 * gcse.c (compute_hash_table): Likewise.
5697 (compute_kill_rd): Likewise.
5698 * resource.c (mark_target_live_regs): Likewise.
5699 * rtl.h (INVALID_REGNUM): New macro.
5701 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5703 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5705 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5707 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5710 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5712 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5714 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5715 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5716 (fop_sf_1_sse, fop_df_1_sse): New patterns
5717 (fop_*): Disable float_extend and float patterns for SSE compilation.
5718 * i386.c (output_387_binary_op): Support SSE.
5720 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5722 * i386.md (dummy_extendsfdf2): Support SSE2
5723 (extendsfdf2): Enable if 80387 or SSE2.
5724 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5725 and no MIX_I387_SSE2
5726 (extendsfdf2_1_sse_only): New pattern.
5727 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5729 (truncdfsf2_1): Support SSE.
5730 (truncdfsf2_2): Support SSE.
5731 (truncdfsf2_2_1_sse): New pattern.
5732 (fixtruncsfsi2): Always use SSE if available.
5733 (fix_truncsfsi_sse): New pattern.
5734 (fix_truncdfsi_sse): New pattern.
5735 (floatsis?f2): Support SSE.
5736 (floatsidf2_i387): New pattern.
5737 (floatsidf2_sse): Likewise.
5739 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5741 * configure.in: Use "have_gnat" variable, not "gnat".
5742 * configure: Regenerated.
5744 * config/sparc/sparc.c (function_value): Treat all non-record
5745 aggregate types like used to treat UNION_TYPE.
5747 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5749 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5750 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5752 (MASK_MIX_SSE_I387): New.
5753 (TARGET_SSE): SSE2 imply SSE.
5754 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5755 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5756 (enum reg_class): Add new classes.
5757 (REG_CLASS_NAMES): Likewise.
5758 (REG_CLASS_CONTENTS): Likewise.
5759 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5760 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5761 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5762 (CLASS_MAX_NREGS): Use new macros.
5763 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5764 * i386.md (pushsf, movsf): Support SSE.
5765 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5766 splitters to use ANY_FP_REGNO_P.
5767 (movdf_nointeger, movdf_integer): Likewise.
5769 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5771 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5772 (try_combine): Use it.
5774 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5776 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5777 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5778 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5779 (REGISTER_MOVE_COST): Likewise.
5780 * i386-protos.h (ix86_secondary_memory_needed,
5781 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5782 * i386.c (ix86_secondary_memory_needed,
5783 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5785 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5787 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5788 (HARD_REGNO_MODE_OK): Move offline to ....
5789 * i386.c (ix86_hard_regno_mode_ok) ... here;
5790 refuse all incorrect modes.
5791 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5793 2001-02-13 Richard Henderson <rth@redhat.com>
5795 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5796 entire operator; replicate that and match_dup the operands.
5797 (cmp_ccx_arith_op_set): Likewise.
5798 (cmp_cc_arith_op_not_set): Likewise.
5799 (cmp_ccx_arith_op_not_set): Likewise.
5801 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5803 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5805 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5807 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5808 (TARGET_NO_BITFIELD_WORD): New macro.
5809 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5810 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5812 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5814 * cselib.c: New file, from simplify-rtx.c.
5815 * simplify-rtx.c: Remove cselib parts.
5816 * Makefile.in: Add cselib.o.
5818 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5820 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5821 (setup_incoming_varargs): Remove warning.
5823 * config/rs6000/rs6000.c (validate_condition_mode): When
5824 flag_fast_math, allow floating-point conditionals to be reversed.
5825 (rs6000_generate_compare): When flag_fast_math, don't generate
5826 cror operations for FP conditionals.
5828 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5830 (ASM_SPEC): Likewise.
5831 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5832 (CC1_SPEC): Likewise.
5833 (LINK_TARGET_SPEC): Likewise.
5834 (CPP_ENDIAN_SPEC): Likewise.
5835 * Makefile.in (check-consistency): New target.
5837 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5839 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5840 "return type defaults" warning for functions with return type
5842 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5843 function declarations by default rather than only when pedantic.
5845 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5847 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5850 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5852 * extend.texi (Deprecated): Deprecate new initializer lists.
5854 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5856 * mkdeps.c (deps_add_default_target): Robustify. Add
5857 basename component only.
5858 * cpp.texi (-M): Describe how default target is generated.
5859 * invoke.texi (-M): Likewise.
5861 2001-02-12 Kazu Hirata <kazu@hxi.com>
5863 * toplev.c (push_float_handler): Remove.
5864 (pop_float_handler): Remove.
5865 * toplev.h: Remove prototypes for the above functions.
5867 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5869 * c-common.c (constant_fits_type_p): New function.
5870 (convert_and_check): Use it.
5872 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5874 * Makefile.in (GXX_ABI_FLAG): Don't define.
5875 * configure.in (--enable-new-gxx-abi): Remove option.
5876 * config.in: Regenerated.
5877 * configure: Likewise.
5879 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5881 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5883 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5884 regular basic block, and arrange for all edges into it to switch
5887 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5889 * Makefile.in (distclean): Do not remove .gdbinit.
5891 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5893 * Makefile.in (gcc.o): Fix typos.
5894 (protize.o): Likewise.
5895 (unprotoize.o): Likewise.
5897 2001-02-11 Richard Henderson <rth@redhat.com>
5899 * tree.c (build1): Check for null operand in last change.
5901 2001-02-11 Richard Henderson <rth@redhat.com>
5903 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5904 (fold): Don't assume a constant isn't foldable.
5905 * tree.c (build): Set TREE_CONSTANT for an expression with no
5906 side-effects and constant operands.
5909 2001-02-10 Richard Henderson <rth@redhat.com>
5911 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5913 2001-02-10 Anthony Green <green@redhat.com>
5915 * cpp.texi (Standard Predefined): Add documentation for
5918 * c-common.c (combine_strings): Improve warning message.
5920 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5922 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5924 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5926 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5928 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5931 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5933 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5936 2001-02-09 Nick Clifton <nickc@redhat.com>
5938 * config/arm/arm.md: Change output contraint on post inc
5939 load/store multiple patterns to be a read/write contraint.
5941 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5943 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5944 .o files when using the -M options.
5946 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5947 David Edelsohn <edelsohn@gnu.org>
5949 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5950 handle DImode constants. Use one TOC entry for SImode and smaller
5951 constants, aligned properly.
5953 2001-02-08 Jason Merrill <jason@redhat.com>
5955 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5956 about the SP adjustment for saving the static chain pointer.
5957 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5958 offset when setting a temporary CFA register.
5960 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5962 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5963 powerpc-*-chorusos* .
5964 * config/rs6000/chorus.h : New file.
5965 * config/i386/chorus.h : New file.
5966 * config/sparc/chorus.h : New file.
5967 * config/sparc/t-chorus-elf : New file.
5969 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5971 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5972 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5973 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5974 (__WCHAR_TYPE__): Correct macro name.
5976 2001-02-08 Richard Henderson <rth@redhat.com>
5978 * config/i386/i386.c (ix86_frame_pointer_required): New.
5979 (ix86_setup_frame_addresses): New.
5980 (struct machine_funciton): Add accesses_prev_frame.
5981 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5982 ix86_frame_pointer_required.
5983 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5984 (SETUP_FRAME_ADDRESSES): New.
5985 * config/i386/i386-protos.h: Update.
5986 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5987 from FRAME_POINTER_REQUIRED.
5988 * config/i386/svr3gas.h: Likewise.
5989 * config/i386/sysv3.h: Likewise.
5990 * config/i386/v3gas.h: Likewise.
5992 2001-02-08 Richard Henderson <rth@redhat.com>
5994 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5995 calculation of the number of integer registers required.
5996 (function_arg_record_value): Likewise.
5998 2001-02-08 Jason Merrill <jason@redhat.com>
6000 * diagnostic.c (internal_error): Say "confused" after 1 error, not
6001 two. Print file and line with "confused" message.
6003 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
6005 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6007 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
6009 2001-02-08 Bernd Schmidt <bernds@redhat.com>
6011 * final.c (cleanup_subreg_operands): The address of a MEM can
6014 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
6017 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
6019 * gcc.texi (Incompatibilities): Update documentation of
6020 preprocessing numbers.
6022 2001-02-07 Jakub Jelinek <jakub@redhat.com>
6024 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
6026 2001-02-07 Mark Mitchell <mark@codesourcery.com>
6028 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
6030 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
6031 * gcc.c (struct compiler): Add cpp_spec field.
6032 (input_file_compiler): New variable.
6033 (do_spec_1): Allow a particular compiler to handle `%C'
6035 (main): Store the current compiler in input_file_compiler.
6036 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
6038 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
6040 * cpphash.h (struct spec_nodes): Add n_true and n_false.
6041 * cppinit.c (cpp_create_reader): Initialize them.
6042 (append_include_chain): cxx_aware arg might be unused.
6043 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
6044 keywords and give them their phase 7 meaning. Pedwarn about
6045 this unless '__bool_true_false_are_defined' is defined.
6047 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6049 * lcm.c (optimize_mode_switching): Emit mode_set before the
6050 JUMP_INSN of an abnormal edge.
6052 2001-02-07 Bernd Schmidt <bernds@redhat.com>
6054 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
6055 a scheduling barrier at the end.
6057 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
6059 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
6061 * config/sh/sh.md (reload_outsf): Removed.
6062 (movsf_ie): Introduce constraints for FPUL loads and stores.
6063 (reload_insf): Broaden the output constraint.
6065 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
6067 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
6068 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
6070 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
6072 * final.c: Revert my previous changes.
6073 * output.h: Make profile_label_no extern.
6074 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
6075 for generating label.
6077 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
6079 * config/i386/djgpp.h: Add comments about standard paths.
6080 (MD_EXEC_PREFIX): Undefine before defining.
6081 (MD_STARTFILE_PREFIX): New.
6083 2001-01-30 Bruce Korb <bkorb@gnu.org>
6085 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6086 (load_file): do not rely on load_file_data() to close file pointer
6087 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6088 fixinc/inclhack.def(irix_limits_const): add test_text
6090 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6092 * cppexp.c (parse_defined): Improve diagnostics for invalid
6095 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6097 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6099 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6101 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6102 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6103 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6104 (rs6000_output_symbol_ref): New function.
6105 (output_toc): Use VTABLE_NAME_P.
6107 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6109 * print-tree.c (print_node, case PARM_DECL):
6110 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6112 * stor-layout.c (reference_types_internal): New variable.
6113 (internal_reference_types): New function.
6114 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6115 * tree.h (internal_reference_types): New declaration.
6117 * cse.c (find_best_addr): Fix typo in computing cost.
6119 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6121 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6122 and this is the sum of a pointer and a constant, we know the result
6124 (num_sign_bit_copies, case PLUS): Likewise.
6125 * explow.c (convert_memory_address): Remove opposite SUBREG.
6126 * function.c (instantiate_new_reg): New function (from common code).
6127 (instantiate_virtual_regs_1): Call it.
6128 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6129 if pointers sign- or zero-extend.
6130 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6131 If pointers extend unsigned, use inside of SUBREG.
6132 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6134 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6136 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6137 subdir of gcc_gxx_include_dir.
6138 (gcc_gxx_target_include_dir): Remove.
6140 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6142 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6143 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6144 a high-level description.
6146 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6148 * final.c: Move the declaration of profile_label_no to ...
6149 * output.h: ... here.
6150 * function.c (expand_function_start): Call PROFILE_HOOK.
6151 * config/rs6000/aix.h: Define PROFILE_HOOK.
6152 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6153 * config/rs6000/rs6000.c (output_profile_hook): Define.
6154 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6155 output_profile_hook.
6156 tm.texi : Explain new macro PROFILE_HOOK.
6158 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6160 * extend.texi (Extended Asm): Do not say that semicolon is always
6161 a valid line-breaking character for GNU assemblers. Use
6162 newline-tab as the most commonly supported syntax. Use
6163 newline-tab rather than semicolon in multi-insn examples.
6165 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6167 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6169 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6170 David Edelsohn <edelsohn@gnu.org>
6172 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6173 code for AIX, even without flag_pic.
6175 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6177 * c-typeck.c (common_type): push and pop binding level around
6178 calling common_type on function parameters.
6180 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6182 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6184 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6186 * config/mips/mips.c (override_options): Fix typo in last change.
6187 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6188 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6190 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6192 * invoke.texi (-fdump-class-layout): Document.
6193 (-fdump-translation-unit): Use `=' as filename separator.
6195 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6197 * Makefile.in (s-mlib): Don't build multilibs if
6199 (DRIVER_DEFINES): Adjust accordingly.
6201 (protoize.o): Likewise.
6202 (unprotoize.o): Likewise.
6203 * configure.in: Recognize --enable-multilib.
6205 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6207 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6209 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6210 * configure.in: Remove --enable-libstdcxx_v3 support.
6211 * configure: Regenerated.
6213 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6215 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6216 Call abort instead of fatal.
6217 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6218 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6219 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6220 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6221 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6222 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6224 * diagnostic.h (set_internal_error_function): Renamed.
6225 * toplev.h (internal_error): Renamed from fatal.
6226 (pfatal_with_name): Deleted.
6227 (fatal_io_error): Now has printf-style arguments.
6228 * diagnostic.c (pfatal_with_name): Deleted.
6229 (fatal_io_error): Rework to have args in printf-style.
6230 (set_internal_error_function): Renamed from set_fatal_function.
6231 (internal_error): Renamed from fatal.
6232 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6233 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6234 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6235 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6236 * flow.c (verify_flow_info): Likewise.
6237 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6238 * config/mips/mips.c (save_restore_insns): Likewise.
6240 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6241 * flow.c (verify_flow_info): Likewise.
6242 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6243 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6244 (avr_normalize_condition): Likewise.
6245 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6246 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6247 (limit_reload_class, double_reg_to_memory): Likewise.
6248 (print_operand_address, emit_1600_code_shift): Likewise.
6249 (gen_tst_reg, gen_compare_reg): Likewise.
6250 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6251 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6253 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6255 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6256 * objc/objc-act.c (build_ivar_chain): Likewise.
6257 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6259 * graph.c (clean_graph_dump_file): Likewise.
6260 * profile.c (init_branch_prob): Likewise.
6261 * objc/objc-act.c (objc_init): Likewise.
6263 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6264 * config/avr/avr.c (avr_override_options): Likewise.
6265 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6266 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6267 * config/h8300/h8300.c (h8300_init_once): Likewise.
6268 * config/mips/mips.c (override_options): Likewise.
6269 * config/i386/i386.c (override_options): Likewise, rework.
6270 * config/m68k/m68k.c (override_options): Likewise.
6272 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6274 * config/mips/mips.c (print_operand): Likewise.
6275 * hash.c (hash_allocate): Don't check for failure returns from
6276 obstack functions that can't fail.
6277 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6278 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6279 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6280 (get_object_reference): Likewise.
6282 2001-02-04 Nick Clifton <nickc@redhat.com>
6284 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6285 StrongARM1110, 10TDMI, and 1020T.
6287 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6289 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6291 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6293 * config/sh/sh.md (movdf load split): Pass register number to
6294 FP_OR_XD_REGISTER_P.
6296 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6298 * cppinit.c (BC): New macro.
6299 (builtin_array): Add __GXX_WEAK__.
6300 * cpplib.h (builtin_type): Add BT_WEAK.
6301 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6302 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6303 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6305 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6307 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6309 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6311 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6312 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6314 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6316 * cpphash.h: Rename ALIGN _ALIGN.
6317 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6319 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6321 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6322 compilation environment.
6323 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6324 control over location of cygwin includes and libs.
6326 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6328 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6330 2001-02-02 lars brinkhoff <lars@nocrew.org>
6332 * md.texi (Standard Names): remove reference to spur.md.
6334 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6336 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6337 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6338 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6339 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6340 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6342 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6344 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6345 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6346 number before reload.
6347 (c4x_adjust_cost): Return zero before reload.
6348 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6349 split before reload.
6351 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6353 * c4x.c (c4x_hard_regno_rename_ok): New.
6354 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6355 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6357 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6359 * diagnostic.h: Add missing "extern" in all declarations.
6361 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6363 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6364 as for gcc_gxx_include_dir.
6366 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6368 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6370 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6372 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6373 label before alignment to be used as the braf base address.
6374 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6376 (casesi_jump_2): Require at least TARGET_SH2.
6378 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6379 truncation to 32-bit doubles on -m3e and -m4-single-only.
6381 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6383 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6384 the default when building a shared object.
6385 (init_spec): Use it.
6386 * testsuite/lib/g++.exp: Include the directory where libgcc
6387 is located to the LD_LIBRARY_PATH list.
6388 * invoke.texi (-shared-libgcc): Document the cases in which
6389 GCC defaults to using the shared libgcc.
6391 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6393 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6394 unsigned is wide enough.
6396 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6397 (si_to_float): Likewise.
6398 (float_to_si, float_to_usi): Use BITS_PER_SI.
6400 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6402 * dwarf2out.c: Added explanation of abbreviations.
6403 (def_cfa_1): Added comments listing DWARF2 instructions.
6404 (cfa_temp_reg): Removed in favor of cfa_temp.
6405 (cfa_temp_value): Removed in favor of cfa_temp.
6406 (cfa_temp): New global variable.
6407 (dwarf2out_frame_debug_expr): Added extensive introductory
6408 comments explaining the function's transformations. Revised to
6409 use cfa_temp. Added some rtx checking. Generalize IOR case.
6410 (dwarf2out_frame_debug): Revised to use cfa_temp.
6411 (output_aranges): Cast as "unsigned" to avoid warning.
6412 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6413 explain which instructions must be marked.
6415 2001-02-01 Richard Henderson <rth@redhat.com>
6417 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6420 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6422 * config/sh/crt1.asm (main_k): Modified so that start calls
6423 ___setup_argv_and_call_main.
6425 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6427 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6428 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6429 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6430 * cppmacro.c (builtin_macro): Set builtin flags here.
6431 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6432 (replace_args): Clarify intent.
6433 (cpp_get_token): Macro expansion tokens get the saved flags.
6435 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6438 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6440 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6443 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6445 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6446 returns Pmode pseudo, but we need ptr_mode.
6447 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6448 Remove bogus conversions; use HOST_WIDE_INT for size.
6449 Don't use TARGET if wrong mode.
6451 * config/i386/i386.c (ix86_compute_frame_size): Allow
6452 stack_alignment_needed to be non-default even if size is zero.
6454 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6456 * pa.c (hppa_init_pic_save): New function.
6457 * pa.h (hppa_init_pic_save): Declare.
6458 * pa.md (call, call_value, sibcall, sibcall_value): Use
6459 the above instead of duplicated code.
6461 * pa.c (hppa_encode_label): Correct size of alloca buffer
6462 so we don't overrun it. Correct leading `*' case.
6463 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6464 need to handle `*@'.
6465 (FUNCTION_NAME_P): Likewise.
6467 2001-01-31 Richard Henderson <rth@redhat.com>
6469 * config.gcc (alpha-osf5): Use float-i128.h.
6471 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6472 * config/float-i32.h: Likewise.
6473 * config/float-i64.h: Likewise.
6474 * config/float-sh.h: Likewise.
6475 * config/float-sparc.h: Likewise.
6477 2001-01-31 DJ Delorie <dj@redhat.com>
6479 * expmed.c (extract_bit_field): allow non-integral modes if we
6480 want to extract a whole register from itself.
6482 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6484 * c-typeck.c (set_init_index): If first is equal to last, assume as
6485 if it was not a range at all.
6487 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6489 * config/fp-bit.c: Include tm.h.
6490 (float_to_si): Don't assume SImode is 32-bits wide.
6491 (float_to_usi): Likewise.
6493 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6495 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6497 (typename): Call pending_xref_error after parsing typed_typespecs.
6498 * c-decl.c (lookup_tag): Give error immediately rather than
6499 leaving it pending if the tag of the wrong type is in the same
6501 (xref_tag): Don't pedwarn for forward declarations of enum types
6503 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6506 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6508 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6510 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6512 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6513 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6515 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6517 * cpphash.h (struct cpp_reader): New saved_flags.
6518 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6519 to avoid a paste after a pasted token.
6521 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6523 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6524 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6525 Wtype_MIN instead of LONG_MIN.
6527 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6529 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6531 * fixinc/fixincl.x: Regenerated.
6532 * fixinc/inclhack.def (irix_limits_const): New definition to
6533 convert "const" to "__const" in limits.h.
6535 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6537 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6539 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6541 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6542 when register dies in the insn.
6544 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6546 * diagnostic.c (fatal): Fix word wrap.
6548 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6550 * combine.c (try_combine): Fix SUBREG setting for
6551 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6553 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6555 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6558 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6560 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6562 * toplev.c (decode_W_option): Update warn_larger_than
6563 unconditionally for each processed switch.
6565 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6567 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6569 (hppa_expand_prologue): Delete code to save pic offset table register
6570 in the function prologue.
6571 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6572 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6573 table register at the beginning of the function after the prologue.
6575 2001-01-29 lars brinkhoff <lars@nocrew.org>
6577 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6579 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6580 Jeff Law <law@redhat.com>
6582 * pa.md (return): Revise comment for trivial return.
6583 (return_internal): Non-trivial return pattern for non-PIC code.
6584 (return_internal_pic): Non-trivial return pattern for PIC code.
6585 It uses the PIC register to ensure it is restored after
6587 (epilogue): Generate appropriate return for PIC and non-PIC code.
6589 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6591 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6593 2001-01-29 DJ Delorie <dj@redhat.com>
6595 * combine.c (if_then_else_cond): Pass the correct mode to
6596 operand_subword() for constants.
6598 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6600 * config/i386/cygwin.h: Add w32api to include search. Search different
6601 directories in a cross-build environment.
6603 2001-11-29 Tim Josling <tej@melbpc.org.au>
6605 * tree.h (TYPE_STUB_DECL): Add documentation.
6607 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6609 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6610 (sdbout_field_types): Likwise. Fix use of host_integerp.
6612 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6614 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6617 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6619 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6620 to use flag_gnu_linker.
6622 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6624 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6625 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6627 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6629 * tree.c, tree.h (build_parse_node): Remove; was identical to
6631 * c-lang.c (start_cdtor), objc/objc-act.c
6632 (build_module_descriptor): Use build_nt instead of
6635 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6637 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6638 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6639 not have any upper bits set.
6641 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6643 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6645 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6647 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6649 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6651 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6652 (integer_minus_one_node): Define.
6654 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6656 * Makefile.in (bootstrap2-lean): Fix typo.
6658 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6660 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6661 : Don't set fe_value.
6662 * cpplib.h (AVOID_LPASTE): New flag.
6663 (struct cpp_hashnode): Remove fe_value.
6664 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6665 * cppmacro.c (builtin_macro): Don't set flags here.
6666 (replace_args): Set AVOID_LPASTE flag on first token of an
6667 argument, and the token following it.
6668 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6669 macro expansion, and on the token following it. Do it for
6671 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6673 2001-01-27 Richard Henderson <rth@redhat.com>
6675 * config/alpha/t-ieee: Remove multilibbing.
6676 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6678 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6680 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6682 * Makefile.in: Remove all dependencies on defaults.h.
6683 * builtins.c: Don't include defaults.h.
6684 * c-common.c: Likewise.
6685 * c-decl.c: Likewise.
6686 * c-pragma.c: Likewise.
6687 * c-typeck.c: Likewise.
6688 * combine.c: Likewise.
6690 * frame-ia64.c: Likewise.
6691 * cppexp.c: Likewise.
6692 * crtstuff.c: Likewise.
6693 * dbxout.c: Likewise.
6694 * dwarf2out.c: Likewise.
6695 * dwarfout.c: Likewise.
6696 * emit-rtl.c: Likewise.
6697 * except.c: Likewise.
6699 * final.c: Likewise.
6700 * frame-dwarf2.c: Likewise.
6701 * libgcc2.c: Likewise.
6702 * optabs.c: Likewise.
6703 * profile.c: Likewise.
6704 * sdbout.c: Likewise.
6705 * toplev.c: Likewise.
6706 * tradcif.y: Likewise.
6708 * varasm.c: Likewise.
6710 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6712 * builtins.c (expand_builtin_fputs): Use size_one_node when
6713 transforming into fwrite.
6715 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6717 * extend.texi (Attribute Syntax): New section.
6719 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6721 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6722 they didn't need fixing.
6724 2001-01-27 Janis Johnson <janis@us.ibm.com>
6726 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6728 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6729 to remove macro definitions that are duplicated from elfos.h.
6731 2001-01-27 Richard Henderson <rth@redhat.com>
6733 * config/i386/sco5gas.h: Move ...
6734 * config/usegas.h: ... here.
6735 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6737 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6739 * c-typeck.c (struct constructor_stack): Add range_stack member.
6740 (really_start_incremental_init): Clear it.
6741 (push_init_level): Save constructor_range_stack and clear it if
6742 pushing explicit braces.
6743 (pop_init_level): abort if constructor_range_stack is non-zero at
6744 explicit closing brace. Restore saved constructor_range_stack if
6747 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6749 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6750 into register was forced into memory.
6752 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6754 * Makefile.in: Remove uses of + before $(MAKE).
6756 2001-01-26 Richard Henderson <rth@redhat.com>
6758 * stmt.c (cost_table): Remove.
6759 (COST_TABLE, cost_table_initialized): New.
6760 (estimate_case_costs): Use the later instead of the former.
6761 (balance_case_nodes): Likewise.
6763 2001-01-26 Richard Henderson <rth@redhat.com>
6765 * alias.c (objects_must_conflict_p): Read-only slots may not
6766 conflict despite having the same type.
6768 2001-01-27 Michael Hayes <mhayes@redhat.com>
6770 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6772 (check_ext_dependant_givs): Initialise u_start_val and
6774 (load_mems): Make last_max_reg unsigned.
6775 (try_swap_copy_prop): Use INSN_P and initialise set.
6777 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6779 * README.AVR : Removed.
6781 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6783 * pa-64.h (text_section): Remove declaration.
6785 * pa.md (return_internal): Remove mode on PIC register use.
6787 2001-01-25 lars brinkhoff <lars@nocrew.org>
6789 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6790 ASM_CLOSE_PAREN): fix typos.
6792 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6794 * acconfig.h: Define `const' to the empty string if neither
6795 __STDC__ nor __cplusplus is defined.
6796 * config.in: Regenerated.
6798 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6800 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6801 * collect2.c (main): Delete importf. Add ".obj" file extension.
6802 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6803 (aix_std_libs): Add additional AIX libraries to skip.
6804 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6805 * config/rs6000/aix51.h: New file.
6807 2001-01-25 Michael Hayes <mhayes@redhat.com>
6809 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6810 (loop_insn_emit_before): No longer static.
6811 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6812 (loop_givs_rescan, load_mems): Likewise.
6813 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6814 (maybe_eliminate_biv_1):
6815 (move_movables): Replace emit_call_insn_before with
6816 loop_call_insn_hoist.
6817 * loop.h (loop_insn_emit_before): Add.
6818 * unroll.c (copy_loop_body): Replace emit_insn_before with
6819 loop_insn_emit_before.
6821 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6823 * diagnostic.c (fatal): Request preprocessed source.
6825 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6827 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6828 olddecl has argument types and newdecl has none, use the argument
6831 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6833 * dwarf2out.c (prefix_of): New function. Determine longest common
6834 prefix of the two arguments. The units are whole path components.
6835 (output_file_names): When adding a new directory find the one entry
6836 with the longest common prefix already in the list. Artificially
6837 generate entry if there is none for this prefix.
6838 Fix test to check whether the zeroth directory entry is used.
6840 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6842 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6843 Changed all callers. Take it into account when deciding if a
6844 previously loaded value matches.
6846 2001-01-24 Richard Henderson <rth@redhat.com>
6848 * reload.c (find_reloads_subreg_address): Fail the substitution
6849 if the resulting address is insufficiently aligned.
6851 2001-01-24 DJ Delorie <dj@redhat.com>
6853 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6854 check the original operand's mode also.
6855 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6857 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6859 * c-parse.in (cast_expr): Move compound literals from here ...
6860 (primary): ... to here. Use standard terminology "compound
6861 literal" instead of "constructor expression".
6863 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6865 * gcc.1, cpp.1: Regenerate.
6867 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6869 * calls.c (emit_library_call_value_1): Memory slot for
6870 pass-by-reference argument should have the mode of the argument,
6871 not of the pointer to it.
6873 2001-01-24 Tom Tromey <tromey@redhat.com>
6875 * gcc.texi (G++ and GCC): Mention gcj manual.
6876 (Standards): Link to section of manual mentioning gcj/Java
6879 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6881 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6882 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6883 * tradcpp.c (main): Add -imacros or -include'd dependencies
6885 * cpp.texi (-M, -MM): Document -M -include behaviour.
6887 2001-01-24 Roger Collins <roger@ProProject.com>
6889 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6891 2001-01-24 Will Cohen <wcohen@redhat.com>
6893 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6894 whether registers are 32 bits or 64 bits in size.
6896 2001-01-24 Ben Elliston <bje@redhat.com>
6898 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6900 2001-01-24 Richard Henderson <rth@redhat.com>
6902 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6903 (builtin_longjmp): Use it instead of emit_indirect_jump.
6905 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6907 * bb-reorder.c (make_reorder_chain_1): Handle case where
6908 jump edge goes to the same block as the fallthru edge.
6910 2001-01-23 Jim Wilson <wilson@redhat.com>
6912 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6913 * frame.h (__ia64_personality_v1): Add prototype.
6914 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6915 prototype form. Add void * cast to first argument to personality
6917 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6918 (asctoe113): Likewise.
6919 * config/ia64/frame-ia64.c: Include eh-common.h.
6920 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6922 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6924 (itanium_split_issue): Add prototype.
6925 (gen_nop_type): Ifdef out.
6926 (find_best_packet): Initialize best_packet.
6927 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6929 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6930 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6931 (flushrs): Add explicit stop bit at end.
6932 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6935 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6937 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6939 * libgcc2.c (__terminate_func): Make variable static.
6940 (__terminate_set_func): New function to set __terminate_func.
6941 * libgcc2.h (__terminate_func_ptr): New typedef.
6942 (__terminate_set_func): New function.
6944 2001-01-23 Richard Henderson <rth@redhat.com>
6946 * flow.c (init_propagate_block_info): Don't consider unchanging
6947 memories for dead frame store elimination.
6949 2001-01-23 Richard Henderson <rth@redhat.com>
6951 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6952 * defaults.h: ... here.
6954 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6956 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6958 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6960 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6962 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6964 * rs6000.h (rs6000_return_addr): Move prototype from here...
6965 * rs6000-protos.h (rs6000_return_addr): ...to here.
6966 (rs6000_init_expanders): Delete prototype.
6968 2001-01-23 Nick Clifton <nickc@redhat.com>
6970 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6971 (Spec Files): Document %B and %j and %. and %v3 and %M and
6972 %{S*&T} spec switches.
6974 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6976 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6978 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6979 Neil Booth <neil@daikokuya.demon.co.uk>
6981 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6982 Have -Werror make pedantic warnings errors, like the
6985 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6987 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6989 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6991 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6992 * integrate.c (expand_inline_function): Initialize them.
6993 (subst_constants): If changing COMPARE so that both its arguments
6994 will be VOIDmode and the comparison mode will be lost, note
6995 compare_mode. Use the recorded compare_mode to optimize
6998 2001-01-23 Jason Merrill <jason@redhat.com>
7000 * dwarf2out.c (new_die): Use xcalloc.
7001 (output_die): Abort rather than emit a local reference to offset 0.
7003 2001-01-17 Andrew Haley <aph@redhat.com>
7005 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
7006 of a saved register; return NULL instead.
7007 (copy_reg): Take a pointer to a source register rather than a
7009 (next_stack_level): Remember the address in the stack frame of all
7011 Use the saved register pointer array as the source of the CFA.
7012 (throw_helper): Rewrite. Unwind once rather than twice and keep
7013 track of saved registers as we go.
7015 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7017 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
7018 * c4x.c (c4x_legitimize_reload_address): Remove.
7019 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
7020 reload address for ldp(k) insn.
7022 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
7024 * pa.md (return_internal): Add a USE of the PIC register to ensure
7025 it is restored after each call.
7026 (return expander): Corresponding changes.
7028 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7030 * rs6000.h (INIT_EXPANDERS): Delete.
7031 (RETURN_ADDR_RTX): Call rs6000_return_addr().
7032 * rs6000.c (rs6000_override_options): Call *_machine_status from
7034 (rs6000_init_expanders): ...instead of here. Delete.
7035 (rs6000_mark_machine_status): New function.
7036 (rs6000_init_machine_status): Use xcalloc.
7037 (rs6000_return_addr): Generate RTX for the return address.
7038 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
7039 (rs6000_stack_info): Use it.
7041 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
7043 * gthr-win32.h: Include errno.h to get a declaration for
7044 EINVAL and _mingw.h if the target is mingw32.
7046 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
7048 * cpp.texi: Correct typos.
7050 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7052 * explow.c (probe_stack_range): Ensure value passed to
7053 stack_check_libfunc is ptr_mode, not Pmode.
7055 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
7057 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
7058 case, don't use operand_subword to calculate a SUBREG that is
7061 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
7063 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7065 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
7066 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
7067 valid. If not replace it by equivalent insns.
7069 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7071 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
7072 contains SYMBOL_REF, LABEL_REF and CONST_INT.
7073 (c4x_U_constraint, symbolic_address_operand): Likewise.
7074 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
7076 (c4x_r11_set_p, c4x_check_laj_p): New functions.
7077 * c4x-protos.h (c4x_check_laj_p): Add prototype.
7078 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
7079 anulling slot because of silicon bug.
7080 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
7082 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7084 * cppexp.c (parse_charconst): Change `mask' type to agree
7087 2001-01-21 Richard Henderson <rth@redhat.com>
7089 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7090 pic_label_name in a linkonce section.
7092 2001-01-17 Philipp Thomas <pthomas@suse.de>
7094 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7096 * configure: Regenerate.
7098 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7100 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7101 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7103 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7105 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7106 If REVERSE nonzero then condition code in X must be reversed.
7107 (encode_section_info): Optimise if/else.
7108 (avr_function_value): Fix formatting.
7110 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7111 (difficult_branch): Likewise.
7112 (rvbranch): Likewise.
7113 (difficult_rvbranch): Likewise.
7115 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7117 * config/avr/libgcc.S: Fix comment.
7119 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7121 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7123 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7125 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7127 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7129 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7130 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7131 * configure, config.in: Regenerate.
7132 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7133 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7134 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7135 (doprint.o): New rule.
7137 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7139 * c-typeck.c (digest_init): Handle boolean types as scalars.
7141 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7143 * stmt.c (expand_return): Don't return anything if size is zero.
7144 Delete redundant assignment to BYTES.
7145 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7147 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7149 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7150 the same as the default library function names.
7151 * config/avr/avr.md: Document special characters after '%'.
7152 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7153 knowing which of the call-used registers are really clobbered.
7154 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7155 New. Both quotient and remainder from one libgcc.S call.
7156 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7157 clobber as few registers as possible.
7158 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7160 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7162 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7163 context of the top of the stack.
7165 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7167 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7168 (fixup_var_refs_insns): ...here.
7170 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7172 * function.c (fixup_var_refs_insns): Break up into
7173 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7174 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7175 [loop over hash table entries].
7176 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7177 fixup_var_refs_insns_with_hash, to match above changes.
7179 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7181 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7182 (libgcc.a): Likewise.
7183 (stmp-multilib): Likewise.
7184 (STAGE2_FLAGS_TO_PASS): Likewise.
7186 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7188 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7189 temporary if no_new_pseudos.
7191 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7193 * cppinternals.texi: Update.
7195 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7197 * arm.c (arm_init_builtins): Re-enable builtins.
7199 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7201 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7202 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7203 element to be null, and always expect an EXPR_LIST.
7204 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7205 * sched-deps.c (sched_analyze_1): Likewise.
7206 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7208 * regclass.c (max_set_parallel): New variable.
7209 (reg_scan): Take it into account in computation of max_parallel.
7210 (reg_scan_mark_refs, case SET): Compute it.
7212 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7214 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7215 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7217 2001-01-19 Jason Merrill <jason@redhat.com>
7219 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7220 for the abstract instance of an inline function.
7222 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7223 J"orn Rennecke <amylaar@redhat.com>
7225 * reload1.c (move2add_note_store): Treat all registers directly or
7226 indirectly derived from a base register as members of the same set
7228 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7229 of base register into account.
7231 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7233 * alias.c (find_base_value): Recognize TRUNCATE.
7234 (record_set): In PLUS case, invalidate if other summand is also a
7237 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7239 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7240 entry to be EXPR_LIST.
7241 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7242 be an EXPR_LIST (but not null, which other code doesn't allow).
7243 (note_stores): Properly handle PARALLEL in SET.
7244 Recursively call for top-level PARALLEL.
7245 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7246 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7248 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7250 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7252 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7253 not pfile->skipping (== 0).
7255 2001-01-17 Nick Clifton <nickc@redhat.com>
7257 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7260 2001-01-17 Jim Wilson <wilson@redhat.com>
7262 * invoke.texi (IA-64 options): Improve.
7264 2001-01-17 Tom Tromey <tromey@redhat.com>
7266 * invoke.texi (Optimize Options): Use `{}' to around @samp
7269 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7271 * invoke.texi (-fno-guess-branch-probability): New option.
7273 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7275 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7276 case of making new double-word constant.
7277 Revert last change: instead just test i3_subst_into_i2.
7279 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7281 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7282 Use q constraints instead of r.
7284 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7286 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7287 (machine_function): Define.
7288 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7289 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7290 pa_free_machine_status): New functions.
7291 (override_options): Set {init,mark,free}_machine_status to above.
7292 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7293 PIC_OFFSET_TABLE_REGNUM_SAVED.
7294 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7295 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7296 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7297 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7298 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7300 2001-01-15 DJ Delorie <dj@redhat.com>
7302 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7306 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7308 * flow.c (propagate_on_insn): Make trying to delete a prologue
7309 or epilogue insn an ICE, not a warning. Allow doing this if
7310 the current function returns with stack pointer depressed.
7312 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7313 I3 having more than one SET.
7315 2001-01-16 Jim Wilson <wilson@redhat.com>
7317 * invoke.texi: Document IA-64 options.
7319 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7320 (fixup_errata): Delete TARGET_A_STEP use.
7321 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7322 (TARGET_SWITCHES): Delete -ma-step option.
7323 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7324 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7325 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7326 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7327 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7328 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7330 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7331 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7332 cmovsi_internal): Delete ! TARGET_A_STEP check.
7334 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7336 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7337 possibility to report bugs via postal mail. Change a URL and
7338 merge in a nearly duplicate statement...
7339 (Bug Reporting): ...from here.
7340 (Service): Refer to the Bug Reporting section instead of
7342 (Contributing): Remove trivial explanations concerning snapshots.
7344 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7346 * cppmain.c (general_init): Don't use ANSI prototype.
7348 2001-01-16 Tom Tromey <tromey@redhat.com>
7350 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7352 2001-01-16 Richard Henderson <rth@redhat.com>
7354 * config/i386/i386.h: Fix comment typo.
7355 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7356 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7358 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7360 * gcc.c: Revert previous -fsyntax-only-related change; move
7363 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7365 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7366 inmode after checking GET_CODE (op).
7368 2001-01-16 Richard Henderson <rth@redhat.com>
7370 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7371 (MAX_MEM_SET_LIST_LEN): New.
7372 (propagate_one_insn): Update mem_set_list_len.
7373 (invalidate_mems_from_autoinc): Likewise.
7374 (invalidate_mems_from_set): Likewise.
7375 (mark_used_regs): Likewise.
7376 (init_propagate_block_info): Likewise. Stop collecting memories
7377 when we reach MAX_MEM_SET_LIST_LEN.
7378 (mark_set_1): Likewise.
7380 2001-01-16 Richard Henderson <rth@redhat.com>
7382 * unroll.c (precondition_loop_p): Fail if no iteration
7385 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7387 * gcc.c: When -fsyntax-only is given, do not complain about
7390 2001-01-15 Richard Henderson <rth@redhat.com>
7392 * config/i386/i386.c (asm_output_function_prefix): Remove.
7393 (ix86_asm_file_end): New.
7394 (load_pic_register): Generate pic_label_name into a
7395 staticly allocated buffer.
7396 * config/i386/i386-protos.h: Update.
7397 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7398 (ASM_FILE_END): New.
7399 * config/i386/i386afe.h: New file.
7400 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7401 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7402 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7403 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7404 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7405 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7406 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7408 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7410 * Makefile.in (install-man): Remove explicit dependency on
7413 * configure.in, configure: Revert previous patch requiring perl
7416 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7418 * toplev.c (flag_guess_branch_prob): New.
7419 (f_options): Add guess-branch-probability option.
7420 (rest_of_decl_compilation): Only estimate branch probability if
7422 (main): set flag_guess_branch_prob.
7424 * flags.h (flag_guess_branch_prob): New.
7426 2001-01-15 DJ Delorie <dj@redhat.com>
7428 * gcc.texi (Makefile): Add documentation for Makefile targets.
7430 2001-01-15 Philip Blundell <philb@gnu.org>
7432 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7434 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7435 (is_pic): Delete declaration.
7436 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7437 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7438 * config/arm/arm.md (builtin_setjmp_receiver): New.
7440 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7442 * arm.c (use_return_insn): Don't try to determine the function type
7443 until after reload has completed.
7444 (arm_output_epilogue): Don't adjust the sp value recovered from the
7446 (emit_multi_reg_push): Don't record dwarf information for the pc.
7447 * arm.md (eh_epilogue): The function type may have changed, so it
7448 needs to be recalculated.
7449 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7450 unwind tables on arm/netbsd.
7452 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7454 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7455 (negated_cbranchsi4): Likewise.
7457 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7459 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7460 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7461 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7462 pass -mapcs-* options to assembler.
7463 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7464 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7465 (ASM_SPEC): Call subtarget_extra_asm_spec.
7467 2001-01-15 Andreas Jaeger <aj@suse.de>
7469 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7471 (ix86_expand_builtin): Likewise.
7473 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7474 warning about comparison between signed and unsigned.
7476 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7478 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7480 2001-01-14 Ralf Baechle <ralf@gnu.org>
7482 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7483 SUBTARGET_CPP_SPEC apropriatly.
7485 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7487 * varasm.c (make_decl_rtl): Fix typo in last change.
7489 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7491 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7492 linker supports the init_priority C++ attribute.
7493 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7494 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7495 linker does not support init_priority C++ attribute.
7497 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7499 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7501 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7503 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7504 * cp/lex.c (finish_parse): Similarly.
7505 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7506 Return the number of errors encountered.
7507 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7508 * cppmain.c (main): Don't call cpp_destroy.
7510 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7512 * configure.in: Require at least perl 5.6.0 to regenerate
7514 * configure: Regenerate.
7516 2001-01-14 Richard Henderson <rth@redhat.com>
7518 * genrecog.c (DT_veclen_ge): New.
7519 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7520 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7521 (nodes_identical_1): Handle DT_veclen_ge.
7522 (write_cond, debug_decision_2): Likewise.
7524 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7526 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7528 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7530 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7532 * cppmain.c (do_preprocessing): New function; most of the old
7534 (main): Call it to do most of the work.
7535 (cb): Move from global scope to set_callbacks ().
7536 (setup_callbacks): Get the callback pointer.
7537 (general_init, printer_init): Clean up code and comments.
7539 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7541 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7544 2001-01-14 Kazu Hirata <kazu@hxi.com>
7546 * config/h8300/h8300.c (get_shift_alg): Update comments.
7548 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7550 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7551 (alloc_page, ggc_alloc): Add casts to remove warnings.
7553 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7555 * combine.c (simplify_comparison): Don't change `code' when
7556 can't reverse comparison.
7558 2001-01-14 Richard Henderson <rth@redhat.com>
7560 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7561 update all call sites. Return true for all non-label constants.
7563 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7565 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7567 (ix86_expand_branch): Update.
7568 (ix86_expand_setcc): Update to handle multiple test conditions.
7569 (expand_int_movcc): Likewise.
7570 (expand_fp_movcc): Likewise.
7571 * i386-protos.h (ix86_expand_compare): New.
7572 * i386.md (andqi_?_slp, orqi_?_slp): New.
7573 (conditional trap expander): Update call to ix86_expand_compare.
7575 2001-01-14 Richard Henderson <rth@redhat.com>
7577 * config/vax/vax.md: Use nonimmediate_operand instead of
7578 general_operand in destinations.
7580 * config/vax/vax.md (indirect_jump): Use register_operand.
7582 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7583 * config/vax/vax.md (call_pop): Turn into an expander.
7584 (call_value_pop): Likewise.
7585 (call, call_value): New.
7587 2001-01-14 Andreas Jaeger <aj@suse.de>
7589 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7591 (ix86_fp_compare_mode): Add unused attribute.
7592 (ix86_expand_fp_movcc): Remove unused variable.
7593 (ix86_expand_builtin): Make fcode unsigned.
7595 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7596 (expand_expr): Add cast to avoid signed warning.
7597 (store_field): Likewise.
7598 (store_constructor_field): Likewise.
7599 (store_constructor): Likewise.
7600 (store_expr): Likewise.
7601 (clear_storage): Likewise.
7602 (emit_group_store): Likewise.
7603 (emit_group_load): Likewise.
7605 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7607 * c-common.c: Move format checking code to ...
7608 * c-format.c: ... here. New file. Reorder some functions and
7610 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7612 * c-common.h (decl_handle_format_attribute,
7613 decl_handle_format_arg_attribute): Declare.
7614 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7615 (c-common.o): Adjust dependencies.
7616 (c-format.o): New list of dependencies.
7618 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7620 * unroll.c (loop_iterations): If we cannot prove iteration variable
7621 is set once in each iteration, punt.
7623 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7625 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7626 (*strlenhi): Remove clobber (which was buggy) of output address.
7628 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7630 * Makefile.in (generated-manpages): Add gcc.1
7631 ($(srcdir)/gcc.1): New target.
7632 (maintainer-clean): Delete $(srcdir)/gcc.1.
7633 * gcc.texi: Add macros @gccoptlist and @gol.
7634 * invoke.texi: Include option summary in manpage. Mark up option
7635 summary with @gccoptlist and @gol. Use @r in one place where
7637 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7638 * gcc.1: Generate from invoke.texi.
7640 2001-01-13 Richard Henderson <rth@redhat.com>
7642 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7643 (struct page_entry): Add group member.
7644 (struct page_group): New.
7645 (struct globals): Add page_groups member.
7646 (alloc_anon): Only define for using mmap; remove valloc call.
7647 (page_group_index): New.
7648 (set_page_group_in_use): New.
7649 (clear_page_group_in_use): New.
7650 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7651 (free_page, release_pages): Likewise.
7652 * configure.in (with-gc): Default to ggc-page always.
7654 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7656 * reload1.c (replace_pseudos_in_call_usage): Use
7657 reg_equiv_constant and reg_equiv_address, and don't try
7658 regno_reg_rtx first.
7660 2001-01-13 Richard Henderson <rth@redhat.com>
7662 * ggc-page.c (alloc_page): Round up allocation size to one page.
7663 Set e->order on extra pages.
7665 2001-01-13 Richard Henderson <rth@redhat.com>
7667 * genrecog.c (nodes_identical): Expand commentary.
7668 (write_switch): Watch out for identical nodes.
7670 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7672 * cppfiles.c (_cpp_fake_include): New function.
7673 * cpphash.h (_cpp_fake_include): New.
7674 * cpplib.c (do_line): Call _cpp_fake_include when entering
7675 header files in preprocessed input.
7676 * cppmain.c (cb_pragma_implementation): Remove handling.
7677 (setup_callbacks): Don't register pragmas.
7679 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7681 * extend.texi: Udate for CPP.
7683 2001-01-13 Andreas Jaeger <aj@suse.de>
7685 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7687 * regmove.c: Add prototype for replace_in_call_usage.
7689 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7691 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7692 struct cpp_chunk, struct htab, struct toklist,
7693 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7694 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7695 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7696 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7697 (struct macro_args): Delete.
7698 * cpphash.h: See above.
7700 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7702 * cppmain.c (struct printer): Remove no_line_dirs.
7704 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7705 : Use options rather than CPP_OPTION.
7706 (setup_callbacks): Use cb rather than pfile->cb.
7707 (main): No need to check for a buffer. Use cpp_errors.
7708 (printer_init): Don't set no_line_dirs.
7709 (maybe_print_line): Use options not no_line_dirs.
7710 (cb_file_change): Don't call print_line if -P.
7712 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7714 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7716 * c-parse.in (finish_parse): Use cpp_errors.
7717 (__yylex): Use return value of cpp_pop_buffer.
7718 * cp/lex.c (finish_parse): Use cpp_errors.
7719 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7721 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7723 * README.AVR: URLs corrected.
7725 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7727 * c-decl.c (start_function): Don't warn if old prototype is builtin
7728 that's not in C's namespace.
7729 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7730 (_bb): Add prototype for ctime.
7731 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7733 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7735 * i386.c (ix86_fp_comparison_arithmetics_cost,
7736 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7737 ix86_fp_comparison_cost): New functions.
7738 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7739 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7740 two-branch sequences; make static.
7741 (ix86_use_fcomi_compare): Do decision according to the costs.
7742 (split_fp_branch): New.
7743 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7744 * i386-protos.h (ix86_expand_fp_compare): Remove
7745 (ix86_split_fp_branch): Declare.
7747 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7748 and ix86_comparison_operator.
7750 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7753 * i386.c (put_condition_code): Output properly the unordered/ordered
7754 compares in fp case.
7755 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7757 * tm.texi (REVERSE_CONDITION): Document.
7758 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7759 in -ffast-math mode.
7760 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7762 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7764 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7766 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7769 * config/sh/sh.c (mova_p): Fix test for mova_const.
7771 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7773 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7774 cpp_get_options rather than dereferencing pfile and using
7776 * scan-decls.c (scan_decls): Use return value of
7777 cpp_pop_buffer rather than CPP_BUFFER.
7779 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7781 * cppinit.c (cpp_handle_option): help_only is now part of the
7782 cpp_options structure.
7783 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7784 cpp_set_callbacks): New functions.
7785 * cpplib.h (cpp_callbacks): Break out as a named structure.
7786 (cpp_options): Move help_only here from cpp_reader.
7787 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7788 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7789 cpp_set_callbacks): New prototypes.
7790 * cppmain.c (main): Update for help_only.
7792 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7794 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7795 Also build and remove and install and uninstall c-tree.info and
7797 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7798 ($(srcdir)/cppinternals.info): New target.
7799 * c-tree.texi: Change file name used when makeinfo used without -o
7800 from ir.info to c-tree.info. Add info directory entry.
7801 * cppinternals.texi: Add info directory entry.
7802 * .cvsignore: Update.
7804 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7806 * c-typeck.c (store_init_value): Don't require constant initializer
7807 elements with -pedantic -std=c99.
7808 (digest_init): Change error about non-constant initializer elements
7810 (constructor_range_end): Remove.
7811 (constructor_incremental, designator_depth,
7812 designator_errorneous): New variables.
7813 (struct constructor_stack): Remove range_end, add incremental.
7814 (struct constructor_range_stack, constructor_range_stack): New.
7815 (struct initializer_stack): Add constructor_range_stack.
7816 (finish_init): Set it.
7817 (start_init): Likewise. require_constant_elements for non-static
7818 trees only if not flag_isoc99.
7819 (really_start_incremental_init): Remove constructor_range_end, add
7820 constructor_incremental.
7821 (pop_init_level): Likewise.
7822 (push_init_level): Likewise. If implicit and the subobject had some
7823 value set already, preinitialize the level with it.
7824 Warn about missing braces only if not pushing due to designators.
7825 (set_designator, push_range_stack): New functions.
7826 (set_init_label): Use them.
7827 (set_init_index): Likewise. Remove constructor_range_end.
7828 Error if designator index is outside of array bounds.
7829 (add_pending_init): Compare values of purpose index trees, not the
7830 trees themselves. Allow overwriting of already initialized element.
7831 Issue a warning if it had side-effects.
7832 (set_nonincremental_init, set_nonincremental_init_from_string): New
7834 (pending_init_member): Rename to...
7835 (find_init_member): ...this function. Call set_nonincremental_init
7836 if necessary. Compare values of purpose index trees, not the trees
7837 themselves. Return the actual value, not just non-zero if something
7839 (output_init_element): Remove checks for duplicates.
7840 If field has zero size, only check the initializer for correctness.
7841 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7842 if constructor_incremental is zero. Change error about initializers
7843 not computable at load time into pedwarn.
7844 (output_pending_init_elements): Compare bit positions, not
7845 FIELD_DECLs to take into account zero-sized fields.
7846 (process_init_element): Use constructor_range_stack to fill all
7847 ranges in the designator lists from current level up.
7848 * extend.texi: Update documentation for labeled elements.
7850 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7852 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7853 to function usage for arguments passed by reference. Optimize
7854 callee-copied arguments.
7855 * regmove.c (replace_in_call_usage): New function.
7856 (fixup_match_1): Call it.
7857 * cse.c (cse_insn): Canonicalize registers in function usage.
7858 * reload1.c (replace_pseudos_in_call_usage): New function.
7861 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7864 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7866 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7869 2001-01-12 DJ Delorie <dj@redhat.com>
7871 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7872 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7875 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7877 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7878 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7879 -std options alongside references to -ansi. Update some
7880 documentation for C99.
7881 * cpp.1: Regenerate.
7883 2001-01-12 Andreas Jaeger <aj@suse.de>
7885 * haifa-sched.c (restore_line_notes): Remove argument block B
7887 * sched-ebb.c (schedule_ebb): Change caller.
7888 * sched-rgn.c (schedule_region): Likewise.
7889 * sched-int.h (restore_line_notes): Adjust prototype.
7891 * loop.h: Remove wrong declaration of doloop_condition_get.
7893 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7895 * extend.texi: Move C++-extension-related node from the C section
7896 into the C++ section.
7898 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7900 * extend.texi: Refer to an array of pointers to functions instead
7901 of one of functions.
7903 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7904 Jan Hubicka <jh@suse.cz>
7906 * combine.c (reversed_comparison): Fix typo in last patch.
7908 (combine_reversed_comparison_code): Make static to follow
7909 prototype declaration.
7911 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7913 * install.texi: Remove misplaced duplicate entry.
7915 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7917 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7919 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7921 * final.c: (leaf_function_p): Fix typo.
7923 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7925 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7926 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7928 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7929 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7930 mmap_anon, and valloc is available.
7931 * ggc-page.c: Restructure ifdef logic to match new autoconf
7932 spec. Don't throw away the test page in init_ggc.
7934 * configure, config.in: Regenerate.
7936 2001-01-12 Michael Hayes <mhayes@redhat.com>
7938 * loop.h (total_biv_increment): Constify iv_class pointer.
7939 (struct induction): Replace `mem_mode' with `mem' rtx.
7940 * unroll.c (total_biv_increment): Constify iv_class pointer.
7941 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7942 (find_mem_givs, combine_givs_p): Likewise.
7943 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7945 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7947 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7949 (__gthread_getspecific): Ditto.
7951 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7953 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7954 put_condition_code): Convert fp comparison codes to integer
7956 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7959 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7960 * i386-protos.h (no_comparison_operator): Kill.
7962 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7964 * combine.c (REVERSIBLE_CC_MODE): Remove.
7965 (reversible_comparison_p): Remove.
7966 (combine_reversed_comparison_code): New.
7967 (reversed_comparison): New.
7968 (combine_simplify_rtx): Use
7969 combine_reversed_comparison_code/reversed_comparison instead
7970 of reversible_comparison_p.
7971 (simplify_if_then_else): Likewise.
7972 (simplify_set): Likewise.
7973 (simplify_logical): Likewise.
7974 (if_then_else_cond): Likewise.
7975 (known_cond): Likewise.
7976 (simplify_comparison): Likewise.
7978 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7980 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7981 sizeof (int) is larger than sizeof(__word__).
7983 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7985 * cppinit.c (do_includes): Fix typo.
7987 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7989 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7990 in S_REGS does not occur because not all sources are possible
7991 when a S_REGS is a destination (sometimes needs a clobber).
7992 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7993 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7994 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7995 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7996 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7997 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7998 (lshrdi_const1, lshrsi3_const16): Likewise.
7999 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
8000 (*movhi_68hc12, *movqi_68hc12): Likewise.
8001 (movstrictqi): Make sure reloading in D_REGS as a destination
8004 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8006 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8008 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8010 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
8011 -D, -U and -A, and don't initialize the builtins.
8012 (do_includes): Error if -include or -imacros with -fpreprocessed.
8013 * cppmain.c (cb_define, cb_undef): Unconditionally process
8015 * tradcpp.c (main): Fix typo.
8017 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
8019 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
8020 (read_name_map): Use IS_ABSOLUTE_PATH.
8021 * tradcpp.c (get_filename): Likewise.
8023 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
8025 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
8026 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
8027 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
8028 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
8029 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
8030 (cmphi_z_used): Don't use '@' for the output.
8031 (tstqi_z_used): Likewise.
8032 (cmpqi_z_used): Likewise.
8033 (one_cmplsi2): Likewise.
8035 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8037 * config/sh/sh.c (barrier_align): Recognize branch around far
8038 branch and redundant insn.
8040 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
8042 * invoke.texi: Restore documentation of the drivers' switches -MD
8045 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
8047 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
8049 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
8050 check-objc//%): Support parallel testing of multilibs.
8051 (TESTSUITEDIR): Set to testsuite by default, but override for
8053 (check-gcc, check-g++, check-g77, check-objc): Enter
8056 2001-01-11 Bernd Schmidt <bernds@redhat.com>
8058 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
8059 * sched-deps.c (deps_may_trap_p): Likewise.
8060 * basic-block.h: Remove a comment.
8061 * flow.c (PROP_POSTRELOAD): Remove.
8062 (update_life_info): Don't add it to prop_flags.
8063 (mark_set_1): Lose the code that was enabled by it.
8065 2001-01-11 Michael Hayes <mhayes@redhat.com>
8067 * flow.c (flow_call_edges_add): New.
8068 * basic_block.h (flow_call_edges_add): New.
8070 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
8072 * reload1.c (move2add_note_store): Update reg_set_luid even if
8073 base reg remains the same.
8075 2001-01-10 Nick Clifton <nickc@redhat.com>
8077 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
8078 machine_function structure to zero.
8079 Add prototypes for machine_status functions.
8081 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8083 * c-common.h (CTI_VOID_LIST): Remove.
8084 (void_list_node): Likewise.
8085 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8086 (void_list_node): New macro.
8087 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8088 * config/i386/i386.c (ix86_init_builtins): Likewise.
8089 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8091 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8093 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8094 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8096 * tradcpp.c: Include mkdeps.h.
8097 (deps, print_deps_phony_targets, deps_append, output_deps,
8098 init_dependency_output, output_deps): New.
8099 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8100 deps_output): Delete.
8101 (print_deps_missing_files): Rename deps_missing_files.
8102 (inhibit_output): Make global.
8103 (main): Delete inhibit_output, deps_stream, deps_target.
8104 Use mkdeps functionality in the same way as cpplib. Remove
8105 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8106 -M and -MM. Remove old handling of deps via deps_out, and
8107 old reading of environment variables.
8108 (get_filename): Update to use deps_add_dep.
8110 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8112 * output.h (make_function_rtl): Remove prototype.
8113 (make_decl_rtl): Likewise.
8114 * varasm.c (make_function_rtl): Remove.
8115 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8116 than from a third parameter.
8117 * tree.h (make_decl_rtl): Remove last parameter.
8118 * c-decl.c (builtin_function): Remove last argument in call to
8119 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8120 (start_function): Likewise.
8121 * except.c (call_get_eh_context): Likewise.
8122 * expr.c (emit_block_move): Likewise.
8123 (clear_storage): Likewise.
8124 * profile.c (output_func_start_profiler): Likewise.
8125 * toplev.c (rest_of_decl_compilation): Likewise.
8126 * objc/objc-act.c (create_builtin_decl): Likewise.
8127 (synth_module_prologue): Likewise.
8128 (generate_static_reference): Likewise.
8129 (build_selector_reference_decl): Likewise.
8130 (build_class_reference_decl): Likewise.
8131 (build_objc_string_decl): Likewise.
8132 (build_protocol_reference): Likewise.
8134 2001-01-10 Richard Henderson <rth@redhat.com>
8136 * hwint.h: Revert yesterday's change.
8138 2001-01-10 Nick Clifton <nickc@redhat.com>
8140 * function.h (save_machine_status): Delete.
8141 (restore_machine_status): Delete.
8142 Amend comment describing {init|mark|free}_machine_status.
8144 * function.c (save_machine_status): Delete.
8145 (restore_machine_status): Delete.
8146 Amend comment describing {init|mark|free}_machine_status.
8147 (push_function_context_to): Remove invocation of
8148 save_machine_status.
8149 (pop_function_context_from): Remove invocation of
8150 restore_machine_status.
8152 * emit-rtl.c (init_emit_once): Amend comment describing
8153 {init|mark|free}_machine_status.
8155 * tm.texi (Per-Function Data): New node. Describe the
8156 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8159 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8161 * cppinit.c (OPT_g): Remove.
8162 (cpp_handle_option): Update for removed -g3.
8163 (print_help): Update.
8164 * cpplib.h (struct cpp_options): Remove debug_output.
8165 * cppmain.c (setup_callbacks, cb_define): Update.
8166 * gcc.c (cpp_options): Translate -g3 to -dD.
8168 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8170 * config/i960/i960.md: Change modifier to + on the zero_extract
8171 pattern after the (rotate -2 reg) canonicalization pattern.
8173 2001-01-10 Richard Henderson <rth@redhat.com>
8175 * config/alpha/alpha.c (alpha_free_machine_status): New.
8176 (override_options): Install it.
8177 (alpha_mark_machine_status): Verify machine non-null.
8178 * config/i386/i386.c (ix86_free_machine_status): New.
8179 (override_options): Install it.
8180 (ix86_init_machine_status): Use xcalloc.
8181 (ix86_mark_machine_status): Verify machine non-null.
8182 * config/ia64/ia64.c (ia64_free_machine_status): New.
8183 (ia64_override_options): Install it.
8184 (ia64_mark_machine_status): Verify machine non-null.
8186 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8188 * function.c (instantiate_virtual_regs): Instantiate virtual
8189 registers found in CALL_INSN_FUNCTION_USAGE.
8191 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8193 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8194 equivalent to -ansi in disabling -Di386.
8196 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8198 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8200 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8202 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8204 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8206 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8208 * invoke.texi: Document that -fcond-mismatch isn't supported for
8211 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8213 * gcc.texi: Define macro gcctabopt.
8214 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8215 @command, @env and @option in some places where appropriate. Use
8216 @gcctabopt where appropriate. Put URLs and email addresses inside
8219 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8221 * gcc.c (cpp_options): Set MD file name from output
8222 filename, if specified.
8223 (suffix_subst): New static variable.
8224 (do_spec): Clear it.
8225 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8227 (give_switch): Handle suffix_subst.
8229 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8231 * invoke.texi: Fix another typo.
8233 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8235 * invoke.texi: Fix typo.
8237 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8239 * c-lang.c (lang_hooks): Update.
8240 (lang_decode_option): Remove.
8241 (lang_init_options): Rename c_init_options.
8242 * toplev.c (main): Use lang_hooks for lang_init_options
8243 and lang_decode_option.
8244 * toplev.h (lang_hooks): Add 2 new hooks.
8245 * tree.h: Remove lang_init_options and lang_decode_option.
8246 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8247 * cp/decl2.c: Similarly.
8248 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8249 (lang_hooks): Update.
8250 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8252 (lang_init_options): Rename ffe_init_options.
8253 (lang_hooks): Update.
8254 (lang_decode_option): Remove.
8255 * java/lang.c (lang_init_options): Rename java_init_options.
8256 (lang_decode_option): Rename java_decode_option.
8257 (lang_hooks): Update.
8258 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8259 (lang_decode_option): Rename objc_decode_option.
8260 (lang_hooks): Update.
8262 2001-01-09 Nick Clifton <nickc@redhat.com>
8264 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8265 (d30v_return_addr_rtx): Delete.
8266 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8267 cfun->machine structure.
8268 (struct machine_function): Move to d30v.h
8269 (d30v_save_machine_status): Delete.
8270 (d30v_restore_machine_status): Delete.
8271 (d30v_init_machine_status): New Function.
8272 (d30v_mark_machine_status): New Function.
8273 (d30v_free_machine_status): New Function.
8274 (d30v_init_expanders): Use new functions.
8275 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8276 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8277 d30v_return_addr_rtx.
8279 * config/d30v/d30v.h (struct_machine): Move here.
8280 Add eh_epilogue_sp_ofs field.
8282 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8283 field in cfun->machine structure.
8285 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8287 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8288 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8289 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8291 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8293 * objc/lang-options.h: Remove bogus reference to
8296 2001-01-09 Kazu Hirata <kazu@hxi.com>
8298 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8301 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8303 * reload.c (find_reloads_address): Check for eliminable registers
8304 when substituting a constant expression for a pseudo.
8306 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8308 * c-common.c (enum format_type): Add format_type_error.
8309 (decode_format_type): New function.
8310 (decl_attributes): Use it.
8311 (format_kind_info): Adjust comment.
8313 2001-01-09 David O'Brien <obrien@BSDi.com>
8315 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8316 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8318 * config/i386/gnu.h: Don't include required platform specific .h files,
8319 tm.h will do it instead.
8320 * config/i386/i386elf.h: Likewise.
8321 * config/i386/linux.h: Likewise.
8322 * config/i386/moss.h: Likewise.
8323 * config/mips/gnu.h: Likewise.
8325 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8327 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8328 (rs6000-ibm-aix3.[01]*): Likewise.
8329 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8330 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8331 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8332 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8333 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8334 (powerpc-*-eabiaix*): Likewise.
8335 (powerpc-*-eabisim*): Likewise.
8336 (powerpc-*-elf*): Likewise.
8337 (powerpc-*-eabi*): Likewise.
8338 (powerpc-*-rtems*): Likewise.
8339 (powerpc-*-linux*libc1): Likewise.
8340 (powerpc-*-linux*): Likewise.
8341 (powerpc-wrs-vxworks*): Likewise.
8342 (powerpcle-wrs-vxworks*): Likewise.
8343 (powerpcle-*-sysv*): Likewise.
8344 (powerpcle-*-elf*): Likewise.
8345 (powerpcle-*-eabisim*): Likewise.
8346 (powerpcle-*-eabi*): Likewise.
8347 (powerpcle-*-solaris2*): Likewise.
8348 * config/rs6000/aix31.h: Delete includes.
8349 * config/rs6000/aix3newas.h: Likewise.
8350 * config/rs6000/aix41.h: Likewise.
8351 * config/rs6000/aix43.h: Likewise.
8352 * config/rs6000/beos.h: Likewise.
8353 * config/rs6000/rtems.h: Likewise.
8354 * config/rs6000/sysv4.h: Likewise.
8356 2001-01-09 Kazu Hirata <kazu@hxi.com>
8358 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8359 Change an argument mode of machine_mode to shift_mode of
8360 shift_mode. Remove an extra error check.
8361 (emit_a_shift): Adopt to the new calling prototype of
8363 (function_prologue): Fix code for a monitor
8364 function. Support H8/S.
8365 (function_epilogue): Do not output pop for a monitor function.
8367 2001-01-09 Nick Clifton <nickc@redhat.com>
8369 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8370 (setup_incoming_varargs): Use sysv_varargs_p field of the
8371 cfun->machine structure.
8372 (struct machine_function): Move to rs6000.h
8373 (rs6000_save_machine_status): Delete.
8374 (rs6000_restore_machine_status): Delete.
8375 (rs6000_init_machine_status): New Function.
8376 (rs6000_free_machine_status): New Function.
8377 (rs6000_init_expanders): Use new functions.
8379 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8381 (struct machine_function): Move here.
8383 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8384 sysv_varargs_p field of the cfun->machine structure.
8386 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8388 (rs6000_restore_machine_status): Remove prototype.
8390 2001-01-09 Richard Henderson <rth@redhat.com>
8392 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8393 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8394 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8395 (sched_analyze_2, sched_analyze_insn): Likewise.
8396 (sched_analyze, init_deps): Likewise.
8397 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8398 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8399 (compute_block_backward_dependences): Update propagate_deps call.
8401 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8403 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8405 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8407 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8408 (cpp_handle_option): Handle them.
8409 (cpp_post_options): Ensure one of -M or -MM is specified with
8410 any other -M? option.
8411 (init_dependency_output): Suppress output with -MG.
8413 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8416 * invoke.texi: Update.
8418 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8420 * sh.md (reload_outsf): Generate recognizable patterns for
8423 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8425 * c-lang.c (lang_hooks): Update.
8426 (lang_init): Rename c_init.
8427 (lang_finish): Remove.
8428 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8430 * toplev.h (lang_hooks): Add init () and finish ().
8431 * tree.h (lang_init, lang_finish): Remove.
8432 * cp/tree.h (lang_init, lang_finish): Remove.
8433 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8434 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8436 (lang_init, lang_finish): Remove.
8437 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8438 (lang_hooks): Update.
8439 * java/lang.c (lang_init): Rename java_init.
8440 (lang_finish): Remove.
8441 (lang_hooks): Update.
8442 * objc/objc-act.c (lang_init): Rename objc_init.
8443 (lang_finish): Remove.
8444 (lang_hoooks): Update.
8446 20001-01-09 Graham Stott <grahams@redhat.com>
8448 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8449 after `ptr` is initialised.
8451 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8453 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8454 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8455 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8456 stack adjusts, instead of r3.
8458 2001-01-09 Michael Hayes <mhayes@redhat.com>
8460 * flow.c (flow_loop_scan): Break out of ...
8461 (flow_loops_find) ... here.
8462 * basic-block.h (flow_loop_scan): New.
8463 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8464 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8466 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8468 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8470 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8471 realloc()ing macro_buffer.
8473 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8474 if it's wider than long and the target's long is wider than the
8477 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8479 Remove support for using UWIN as a host machine.
8480 * configure.in: Issue an error message.
8481 * configure: Regenerated.
8482 * config.gcc: Remove xm_* UWIN configury.
8483 * config/i386/xm-uwin.h: Remove.
8485 2001-01-08 Nick Clifton <nickc@redhat.com>
8487 * config/v850/v850.c (ra_rtx): Delete.
8488 (v850_save_machine_status): Delete.
8489 (v850_restore_machine_status): Delete.
8490 (v850_init_machine_status): New function.
8491 (v850_mark_machine_status): New function.
8492 (v850_free_machine_status): New function.
8493 (v850_return_addr): Use ra_rtx field in machine structure.
8494 (v850_init_expanders): Use new functions.
8496 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8497 * config/v850/v850.c: Change arguments to v850_output+* functions
8498 to take a const char *, to avoid compile time warning.
8499 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8500 (USER_LABEL_PREFIX): Redefine.
8502 2000-01-08 Jim Wilson <wilson@redhat.com>
8504 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8505 1 to unsigned HOST_WIDE_INT before left shift.
8507 2001-01-08 Nick Clifton <nickc@redhat.com>
8509 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8510 the machine structure has been allocated.
8511 (arm_free_machine_status): New function: Free the machine
8512 specific function structure.
8514 2001-01-08 Richard Henderson <rth@redhat.com>
8516 * jump.c (simplejump_p): Revert last change.
8518 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8520 * cppinit.c (init): Rename init_library.
8521 (cpp_create_reader): Update.
8522 * gcc.c (cpp_options): If -o given, use it as the target of
8525 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8527 * arm.c (arm_arch5e): New variable.
8528 (all_cores): XScale is a 5TE device.
8529 (arm_override_options): Set arm_arch5e.
8530 (arm_init_builtins): __builtin_prefetch is in arch5e.
8531 * arm.h (arm_arch5e): Declare it.
8533 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8535 * arm.md (define_constants): Add defines for UNSPEC and
8536 UNSPEC_VOLATILE insns. Update all users.
8537 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8538 * arm.c (multi_register_push, note_invalid_constants)
8539 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8540 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8541 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8543 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8545 * jump.c (jump_optimize_1): Use reversed_comparison_code
8546 instead of can_reverse_comparison_p.
8547 (jump_back_p): Likewise.
8548 (invert_exp_1): Likewise.
8549 (thread_jumps): Likewise.
8550 * simplify-rtx.c (simplify_unary_operation): Likewise.
8551 (simplify_ternary_operation): Likewise.
8552 * cse.c (find_comparison_args): Convert to use
8553 can_reverse_comparison_p.
8554 (record_jump_equiv): Likewise.
8556 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8558 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8559 (EPILOGUE_USES): Define.
8560 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8561 automatically stack the LR if it isn't live.
8563 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8565 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8568 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8570 * ggc-page.c (max_alignment): New structure.
8571 (MAX_ALIGNMENT): New macro.
8572 (init_ggc): Use it to round up the sizes in the
8573 extra_order_size_table.
8575 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8577 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8580 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8582 * builtins.def (BUILT_IN_FPRINTF): New entry.
8584 * c-common.c (c_expand_builtin_fprintf): New function.
8585 (init_function_format_info): Handle __builtin_fprintf.
8586 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8587 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8589 * c-decl.c (duplicate_decls): Adjust comment.
8591 * extend.texi (fprintf): Document new builtin.
8593 2001-01-07 Richard Henderson <rth@redhat.com>
8595 * jump.c (simplejump_p): Recognize any single_set jump
8598 2001-01-07 Richard Henderson <rth@redhat.com>
8600 * configure.in (slibdir): Accept an --with-slibdir option.
8601 Use "test" not "[" in configure. Default to $(libdir).
8603 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8605 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8606 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8607 (SHLIB_LINK): Create links for the soname.
8608 * config/mips/t-iris6: Likewise.
8609 * config/sparc/t-slibgcc: Likewise.
8610 * config/sparc/t-slibgcc-sld: Likewise.
8612 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8614 * config/i386/i386.c (constant_call_address_operand): Accept
8615 (const (plus (symbol_ref) (const_int))).
8616 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8617 constant_call_address_operand.
8619 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8621 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8622 and LONG_LONG_TYPE_SIZE > 32.
8624 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8626 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8627 the previous change.
8629 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8631 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8633 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8634 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8635 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8638 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8640 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8642 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8644 * c-lang.c (c_post_options): Call cpp_post_options.
8645 * objc/objc-act.c (objc_post_options): Similarly.
8646 * cppmain.c (main): Similarly.
8647 * fix-header.c (read_scan_file): Similarly.
8648 * cppinit.c (cpp_start_read): Move option consistency checks
8649 to cpp_post_options. Don't call init_dependency_output.
8650 If needed, add default target and main file dependency.
8651 (OPT_MD, OPT_MMD): Remove.
8653 (cpp_handle_option): Update for OPT_* changes.
8654 (cpp_post_options): New.
8655 (init_dependency_output): Command line -MF overrides environment
8656 variables. Don't set default target etc. Suppress output
8657 if dependencies are going to stdout.
8658 (print_help): Update.
8659 * cpplib.h (cpp_post_options): New.
8660 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8662 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8664 * jump.c (comparison_dominates_p): Support unordered compares.
8666 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8668 * simplify-rtx.c (simplify_relational_operation): Always simplify
8669 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8672 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8674 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8675 (nonzero_bits): Likewise.
8676 (simplify_comparison): Likewise.
8677 (num_sign_bit_copies): Likewise; return more sane value depending
8678 on STORE_FLAG_VALUE.
8679 (known_cond): Do not assume EQ to be always true for equivalent
8682 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8684 * cse.c (fold_rtx): Handle unordered comparisons.
8686 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8688 * rtlanal.c (set_of_1): New static function.
8689 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8690 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8691 reg_set_last_last_regno): Remove.
8692 (set_of): New global function.
8693 (set_of_data): New structure.
8694 (reg_set_p, reg_set_last): Revamp for set_of.
8695 * rtl.h (set_of): New.
8697 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8699 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8700 * extend.texi: Document _Exit builtin.
8702 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8704 * (initialize, initialize_builtins,
8705 initialize_dependency_output, initialize_standard_includes):
8706 Rename s/initialize/init. Update.
8707 (init_dependency_output): Move to after
8708 cpp_handle_options, the correct location temporally at least.
8709 (opt_comp): Move next to init (), its caller. Fix prototype.
8710 (init): Make "initialized" local scope.
8711 (cpp_create_reader): Always call init ().
8712 (cpp_start_read): Update.
8713 (output_deps): New function, broken out of cpp_finish.
8714 (cpp_finish): Break out output_deps.
8716 2001-01-07 Richard Henderson <rth@redhat.com>
8718 * collect2.c (COFF specific stuff): Revert 12-06 patch
8719 to prototype system functions.
8721 2001-01-07 Michael Hayes <mhayes@redhat.com>
8723 * hard-reg-set.h: Add multiple include guard.
8724 * basic-block.h (struct loop): Add `sink' field.
8725 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8726 (emit_iv_add_mult): Delete.
8727 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8728 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8729 (unroll_loop): Remove end_insert_before argument.
8730 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8731 (maybe_eliminate_biv_1): Likewise.
8732 (emit_iv_add_mult): Delete.
8733 (gen_add_mult, loop_regs_update): New.
8734 (loop_insn_emit_after, loop_insn_emit_before): New.
8735 (loop_insn_sink, loop_insn_sink_or_swim): New.
8736 (emit_iv_add_mult): Delete.
8737 (scan_loop): Set loop->sink.
8738 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8739 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8740 (maybe_eliminate_biv_1): Likewise.
8741 (maybe_eliminate_biv_1): Add basic block argument.
8742 * unroll.c (unroll_loop): Remove end_insert_before argument.
8743 (find_splittable_regs): Likewise.
8744 (find_splittable_regs): Use loop_insn_sink and its ilk.
8745 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8747 2001-01-07 Michael Hayes <mhayes@redhat.com>
8749 * loop.h (loop_insn_hoist): New prototype.
8750 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8751 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8752 (check_dbra_loop, load_mems): Likewise.
8753 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8754 (find_splittable_givs): Likewise.
8756 2001-01-07 Michael Hayes <mhayes@redhat.com>
8758 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8760 2001-01-07 Richard Henderson <rth@redhat.com>
8762 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8764 2001-01-07 Richard Henderson <rth@redhat.com>
8766 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8767 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8768 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8769 variant that handles a shared libgcc.
8770 (process_command): Always validate -{static,shared}-libgcc.
8771 (do_spec_1): New 'M' case.
8772 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8774 2001-01-07 Richard Henderson <rth@redhat.com>
8776 * Makefile.in (slibdir): New variable.
8777 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8778 (installdirs): Create slibdir.
8779 (install-libgcc, install-multilib): Defer to libgcc.mk.
8780 * configure.in (slibdir): Substitute.
8781 * mklibgcc.in (install): New target.
8783 * config/t-linux (SHLIB_LINK): Create links for the soname.
8784 (SHLIB_INSTALL): New.
8785 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8786 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8787 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8788 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8789 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8791 2001-01-07 Richard Henderson <rth@redhat.com>
8793 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8794 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8795 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8797 2001-01-07 Michael Hayes <mhayes@redhat.com>
8799 * loop.c (count_loop_regs_set): Delete.
8800 (load_mems_and_recount_loop_regs_set): Delete.
8801 (loop_regs_scan): Merge common code from count_loop_regs_set,
8802 scan_loop, and load_mems_and_recount_loop_regs_set.
8803 (scan_loop): Call load_mems directly and loop_regs_scan
8804 again if new registers created.
8806 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8808 * toplev.c (main): Call the front-end specific post_options
8809 hook if one is given.
8810 * toplev.h (struct_lang_hooks, lang_hooks): New.
8811 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8812 for the C front end.
8813 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8814 lang_hooks for the C++ front end.
8815 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8816 lang_hooks for the ObjC front end.
8817 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8818 * java/lang.c (lang_hooks): Hooks for the Java front end.
8820 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8822 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8823 for verbose DWARF[2] debugging.
8824 (cb_define, cb_undef): The new callbacks.
8825 * toplev.h (debug_define, debug_undef): Make const correct.
8826 * toplev.c (debug_define, debug_undef): Similarly. Do not
8827 perform the verbosity tests here anymore.
8829 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8831 * reload.c (subst_reloads): Take INSN argument. When
8832 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8833 * reload.h (subst_reloads): Adjust prototype.
8834 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8835 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8836 present in JUMP_INSNs and copy them to JUMP_LABEL.
8837 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8838 JUMP_INSNs and insns with REG_LABELs that are followed by
8839 JUMP_INSNs with the same REG_LABEL.
8840 * sched-rgn.c (is_cfg_nonregular): Likewise.
8841 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8843 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8845 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8847 2001-01-06 Richard Henderson <rth@redhat.com>
8849 * loop.c (scan_loop): Use xcalloc for the regs array.
8850 (load_mems_and_recount_loop_regs_set): Zero the new memory
8851 received from xrealloc.
8853 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8855 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8857 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8859 * integrate.c (copy_rtx_and_substitute): When copying
8860 an ignored return value, strip REG_FUNCTION_VALUE_P.
8862 2001-01-06 Michael Hayes <mhayes@redhat.com>
8864 * loop.c (debug_biv, debug_giv): New.
8865 (loop_biv_dump): Break out from ...
8866 (record_biv): ... here.
8867 (loop_giv_dump): Break out from ...
8868 (record_giv): ... here.
8869 (loop_bivs_check): Use print_simple_rtl.
8870 * unroll.c (loop_iterations): Use print_simple_rtl.
8872 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8874 * pa.md (return, return_internal): Modify patterns to prevent regrename
8875 mucking with the return pointer.
8877 2001-01-05 Richard Henderson <rth@redhat.com>
8879 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8881 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8883 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8884 version supplied by Matteo Frigo.
8886 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8888 * cpp.texi: Update for -MQ.
8889 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8890 (cpp_cleanup): Always free pfile->deps.
8891 (initialize_dependency_output): Don't create pfile->deps.
8892 (cpp_handle_option): Similarly.
8894 * gcc.c (cpp_options): Handle -MQ.
8895 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8896 * mkdeps.c (base_name): Remove.
8897 (deps_init): Don't allocate vector space until it's needed.
8898 (deps_free): Only free vectors if allocated.
8899 (deps_add_target, deps_add_dep): Update for initial allocation.
8900 (deps_add_default_target): Don't strip to the base_name.
8902 2001-01-05 DJ Delorie <dj@redhat.com>
8904 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8905 (INIT_EXPANDERS): Define.
8907 * config/v850/v850.c (struct machine_function): Define.
8908 (v850_save_machine_status): New function.
8909 (v850_restore_machine_status): New function.
8910 (v850_return_addr): New function.
8911 (v850_init_expanders): New function.
8913 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8914 and v850_init_expanders.
8916 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8918 * cpplib.h (struct cpp_reader): Add help_only field.
8919 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8920 (cpp_handle_option): Set pfile->help_only if we see -h,
8921 --help, -target-help, or --version. Print version string but
8922 do not set help_only if we see -v or -version. Make text
8923 printed by -v match that printed by (-)-version.
8925 * cppmain.c (main): Exit after option parsing if
8926 pfile->help_only is true.
8928 * toplev.c (independent_decode_option): Call print_version,
8929 then exit, if we see --version (but not -version).
8930 (print_version): Split lengthy message into two lines.
8932 2001-01-05 Nick Clifton <nickc@redhat.com>
8934 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8935 temporary string for initialisation before calling ggc_alloc_string.
8937 2001-01-06 Michael Hayes <mhayes@redhat.com>
8939 * rtl.h (print_simple_rtl): New.
8940 * print-rtl.c (print_simple_rtl): New.
8942 (print_rtx): Disable printing of flags and modes, etc.,
8943 if `flag_simple` nonzero.
8945 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8947 * function.c (fixup_var_refs): Use push_to_full_sequence where
8950 2001-01-05 Michael Meissner <meissner@redhat.com>
8952 * flags.h (flag_reorder_blocks): Add declaration.
8953 (flag_rename_block): Ditto.
8955 2001-01-05 DJ Delorie <dj@redhat.com>
8957 * function.c (reorder_blocks): Make sure the flags are all reset
8958 before using them to mark blocks, else a second invocation will
8959 corrupt the block chain.
8960 (reorder_blocks_0): New, resets the flags.
8962 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8964 * cse.c (find_comparison_args): Stop if the argument is known to
8967 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8969 * config/sh/sh.md (movdf): When splitting load into pair of
8970 registers, don't clobber the register used in the address too
8973 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8975 * varasm.c (mark_constant_pool): Improve initial comments.
8976 (mark_constants): Move marking of constants to mark_constant.
8977 (mark_constant): New function to recursively mark all constants
8978 referred to by a constant.
8980 2001-01-05 Catherine Moore <clm@redhat.com>
8982 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8984 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8986 * cp/lang-options.h: Bring comment in line with reality.
8987 * f/lang-options.h: Likewise.
8988 * java/lang-options.h: Likewise.
8989 * objc/lang-options.h: Likewise.
8990 * ch/lang-options.h: Likewise.
8991 * f/g77.texi: And update the manual.
8993 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8994 Denis Chertykov <denisc@overta.ru>
8996 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8997 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8998 * config/avr/avr.md (all peepholes that request a scratch register):
8999 Call it, FAIL the peephole if not safe (in interrupt functions).
9001 2001-01-05 Mark Mitchell <mark@codesourcery.com>
9003 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
9005 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
9007 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
9009 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
9010 BUILT_IN_CREAL and BUILT_IN_CIMAG.
9011 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
9012 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
9013 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
9015 * extend.texi: Document these builtins.
9017 2001-01-05 Daniel Berlin <dberlin@redhat.com>
9019 * c-common.c (lang_get_alias_set): Say we know nothing of
9020 VECTOR_TYPE aliasing.
9022 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
9024 2001-01-05 Bruce Korb <bkorb@gnu.org>
9026 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
9027 their x* equivalent versions for atexit-less systems
9028 * fixinc/fixincl.c(main): do not return from main() on atexit-less
9029 systems (or any other system any more).
9031 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
9033 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
9034 output operands. Use arm_hard_register_operand for operand 4.
9035 (stmsi_postinc): Similarly.
9036 (ldmsi): Use arm_hard_register_operand for opernand 2.
9038 * arm.c (arm_hard_register_operand): New function.
9039 * arm-protos.h (arm_hard_register_operand): Prototype it.
9041 * arm.h (HARD_REGNO_RENAME_OK): Define.
9043 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
9045 * simplify-rtx.c (cfc_args): add "unordered" field.
9046 (check_fold_consts): Set unordered field.
9047 (simplify_relational_operation): Simplify the unordered
9050 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
9053 * emit-rtl.c (try_split): Fix code to mark labels.
9054 * jump.c (mark_jump_label): Make global.
9055 * rtl.h (mark_jump_label): Declare.
9057 * predict.c (estimate_probability): Handle unordred comparisons.
9059 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
9061 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
9062 * cppinit.c (initialize_dependency_output): Update.
9063 (cpp_finish): Output dummy targets for -MP.
9065 (cpp_handle_option): Handle -MP. Don't quote -MT options.
9066 * cpplib.h (struct cpp_options): Add deps_phony_targets.
9067 * gcc.c (cpp_options): Update to handle -MP.
9068 * mkdeps.c (deps_add_target, deps_add_default_target): Update
9069 to quote only the default target.
9070 (deps_phony_targets): Insert a preceding newline. Rename from
9071 deps_dummy_targets for consistency.
9074 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9076 * calls.c (emit_library_call_value_1): Support
9077 INIT_CUMULATIVE_LIBCALL_ARGS.
9078 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
9080 2001-01-04 Richard Henderson <rth@redhat.com>
9082 * c-decl.c (finish_struct): Detect flexible array members
9083 used in an inappropriate context.
9084 * c-typeck.c (really_start_incremental_init): Special case
9085 constructor_max_index for zero length arrays.
9086 (pop_init_level): Allow initialization of flexible array
9087 members. Deprecate initialization of zero length arrays.
9088 Don't issue missing initializer warning for flexible array
9089 members or zero length arrays.
9090 (process_init_element): Don't dereference null DECL_SIZE.
9091 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9092 Don't abort for empty constructors. Use size_binop
9093 (output_constructor): Add commentary regarding zero length
9094 array futures. Abort if we try to initialize an array of
9095 unspecified length with a non-empty constructor in the middle
9098 * extend.texi (Zero Length): Update and clarify documentation
9099 on static initialization.
9101 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9103 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9104 with more than 32767 words of local storage.
9106 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9108 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9109 for 'abs', 'labs', and 'fabs'.
9110 (c4x_expand_builtin): Likewise.
9111 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9113 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9115 * config/sh/sh.md (prget, prset): New insn types.
9116 (return delay slot): Dont' allow prset.
9117 (call, sfunc delay slot): Don't allow prget.
9118 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9119 for prset and prget.
9121 2001-01-05 Michael Hayes <mhayes@redhat.com>
9123 * loop.h (struct loop_reg): New.
9124 (struct loop_regs): Change to use array of `struct loop_reg'.
9125 * loop.c: Replace assortment of varrays with single regs array.
9126 (count_one_set): Delete may_not_move array argument
9127 and use regs array instead. All caller's changed.
9128 (count_loop_regs_set): Delete may_not_move and single_usage
9129 arguments and use regs array instead. All caller's changed.
9130 (find_single_use_in_loop): Replace usage array argument with pointer
9131 to regs structure. All caller's changed.
9132 (loop_optimize): Delete `moved_once' array.
9134 2001-01-05 Michael Hayes <mhayes@redhat.com>
9136 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9137 Use it instead of loop_info->has_call for scanning loop mems.
9138 (check_dbra_loop): Replace loop_info->has_call test with
9139 loop_info->has_nonconst_call.
9141 2000-01-04 Matthew Hiller <hiller@redhat.com>
9143 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9146 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9148 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9149 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9151 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9153 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9154 (flag_short_double, flag_short_wchar): Define.
9155 (c_common_nodes_and_builtins): Create many tree nodes shared
9156 between C and C++ here instead of in cp/decl.c and ...
9157 * c-decl.c (init_decl_processing): ... here.
9158 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9159 (flag_short_double, flag_short_wchar): Don't define.
9160 (record_builtin_type): New function.
9161 (build_void_list_node): New function.
9162 * c-common.h (flag_short_double, flag_short_wchar,
9163 record_builtin_type, build_void_list_node): Declare.
9165 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9167 * integrate.c (expand_inline_function): Don't put a virtual
9168 register into the reg map.
9170 * function.c (fixup_var_refs_1): If force_operand didn't put
9171 the address into the target, move it there.
9173 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9175 Special-case tree_decl/tree_list allocations.
9176 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9177 (OBJECT_SIZE): New macro.
9178 (NUM_EXTRA_ORDER): Likewise.
9179 (extra_order_size_table): New variable.
9180 (NUM_ORDERS): New macro.
9181 (objects_per_page_table): New variable.
9182 (object_size_table): New variable.
9183 (G.pages): Use NUM_ORDERS to bound the array.
9184 (G.page_tails): Likewise.
9185 (DIV_ROUND_UP): Remove.
9186 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9187 (alloc_page): Use OBJECT_SIZE.
9188 (size_lookup): Don't make it const.
9189 (ggc_alloc): Use OBJECT_SIZE.
9190 (ggc_set_mark): Likewise.
9191 (ggc_get_size): Likewise.
9192 (init_ggc): Set up the object_size_table, objects_per_page_table,
9193 and adjust size_lookup.
9194 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9195 (ggc_pop_context): Use NUM_ORDERS.
9196 (clear_marks): Likewise.
9197 (sweep_pages): Likewise.
9198 (poison_pages): Likewise.
9199 (ggc_print_statistics): Use OBJECT_SIZE.
9201 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9203 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9204 Only call array_size_for_constructor if last field and array type
9205 with no upper bound.
9207 2001-01-04 Philip Blundell <philb@gnu.org>
9209 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9210 from bit 31 downwards, if this requires no more insns.
9211 (count_insns_for_constant): New helper function for above.
9213 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9215 * gencodes.c (output_predicate_decls): Remove empty initializer.
9217 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9219 * tree.c (copy_node): Remove documentation about obstacks.
9220 (buidl1): Check that nobody tries to build 2-argument nodes this
9223 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9225 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9228 * gencodes.c (output_predicate_decls): Fill empty initializer
9231 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9233 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9234 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9236 (do_include): Handle missing headers like cpp0.
9237 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9238 paths with first include pathname. Don't strcat to uninitialized
9241 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9243 * regrename.c (regrename_optimize): Don't rename from frame pointer
9244 if frame_pointer_needed.
9245 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9246 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9247 (ia64_reorg): Use it instead of scheduling if ! optimize.
9248 (errata_emit_nops): Properly call asm_noperands.
9249 (ia64_sched_reorder): Finish cycle if we see an asm.
9250 (ia64_variable_issue): Clear scheduling state after asms.
9252 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9254 * cpp.texi: Update for -MT.
9255 * cppinit.c (initialize_dependency_output): Add a default
9256 target if none has been given already.
9257 (no_tgt, OPT_MT): New.
9258 (cpp_handle_option): Handle -MT. Update -M etc.
9259 * cpplib.h (struct cpp_options): Remove deps_target.
9260 * gcc.c (cpp_options): Handle -MT.
9261 * mkdeps.c (struct deps): Move from mkdeps.h.
9262 (deps_calc_target): Rename deps_add_default_target. Add a
9263 default target if none has been specified already.
9264 * mkdeps.h (struct deps): Move to mkdeps.c.
9265 (deps_calc_target): Rename deps_add_default_target.
9267 2000-01-03 Richard Henderson <rth@redhat.com>
9269 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9271 * c-typeck.c (push_init_level): Move checks for flexible array
9272 members and zero length arrays ...
9273 (pop_init_level): ... here. Silently discard empty initializations.
9275 * varasm.c (output_constructor): Update for sizeof change to
9278 * extend.texi (Zero Length): Clarify semantics.
9280 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9282 * configure.in (tm.h): Include isns-codes.h last.
9283 * configure: Rebuilt.
9285 2001-01-03 Richard Henderson <rth@redhat.com>
9287 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9288 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9290 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9292 * tradcpp.c (main): Make sure finclude() is called with a valid
9293 indepth value while handling -include.
9295 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9297 * gencodes.c (output_predicate_decls): New function.
9299 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9300 even if it is not the first time machmode.h is #included.
9301 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9302 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9303 * gcc.texi (Copyright): Added 2001.
9305 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9307 * c-common.c (c_common_lang_init): New function. Warn if format
9308 warning options which only have effects when used with -Wformat
9309 are used without -Wformat.
9310 * c-common.h (c_common_lang_init): Declare.
9311 * c-lang.c (lang_init): Call c_common_lang_init.
9312 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9314 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9316 * configure.in: Check for the mktemp command.
9317 * configure: Regenerate.
9318 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9319 $TEMP. Create temporary files with mktemp, if available at
9320 configure time; otherwise use set -C. Remove temporary files
9323 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9325 * configure.in: Require at least texinfo 4.0. Check for whether
9326 Pod::Man is sufficiently recent to regenerate GCC manpages.
9327 * configure: Regenerate.
9328 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9330 (GENERATED_MANPAGES): Define.
9331 (generated-manpages): New target. Depend on cpp.1 as well as
9333 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9334 configure to generated-manpages or empty) rather than on the
9335 manpages directly. Remove execute permission from installed
9336 gcov.1 as well as cpp.1.
9337 * cpp.1, gcov.1: Regenerate.
9339 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9341 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9342 tree_low_cst. Allow using cmpstrsi in more cases.
9344 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9346 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9349 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9351 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9352 * Makefile.in (HOST_CFLAGS): Mention build-make.
9354 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9356 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9359 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9361 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9364 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9367 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9368 reg_base_value and reg_known_value arrays.
9369 (init_alias_analysis): Add more cases to detect known values.
9370 * sched-deps.c (deps_may_trap_p): New function.
9371 (sched_analyze_2): Use it.
9373 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9375 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9376 don't discard an ASHIFTRT if we're shifting in a wider mode.
9378 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9380 * toplev.c (rest_of_compilation): Don't print basic block information
9381 when CFG isn't up to date.
9383 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9385 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9386 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9387 (UNALIGNED_SHORT_ASM_OP): Define.
9388 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9390 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9392 * fold-const.c (fold_convert): Fix typo.
9394 2001-01-02 Richard Henderson <rth@redhat.com>
9396 * c-common.h (ASM_INPUT_P): New.
9397 * c-parse.in (asm): Set it when needed.
9398 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9399 existance of an operand.
9401 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9403 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9404 (dwarf2out_frame_debug_expr): Likewise.
9405 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9407 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9409 * i386.c (ix86_split_to_parts): Return number of part required;
9411 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9413 (ix86_split_long_move): Use number of part returned
9414 by ix86_split_to_parts
9415 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9417 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9418 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9419 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9420 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9421 (ALIGN_MODE_128): Add TFmode.
9422 (IS_STACK_MODE): Likewise.
9423 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9424 (HARD_REGNO_OK): Support TFmodes.
9425 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9426 * i386.md (scheduler definitions): Use memory operand to determine
9427 fst/fld instructions; use mode attribute to determine real mode of
9429 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9430 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9432 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9434 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9436 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9438 * expr.c (store_constructor_field): Update ALIGN before calling
9441 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9443 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9446 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9448 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9451 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9453 * c-decl.c (start_function): Don't warn on third parameter to main.
9455 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9457 * tsystem.h: Define HAVE_DECL_GETOPT.
9459 2001-01-02 Philip Blundell <pb@futuretv.com>
9461 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9464 2001-01-02 Richard Henderson <rth@redhat.com>
9466 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9468 2001-01-02 Andreas Jaeger <aj@suse.de>
9470 * c-decl.c (c_decode_option): Remove support of
9473 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9474 (W_options): Add -Wmissing-noreturn here.
9476 * flow.c: Define lang_missing_noreturn_ok_p.
9477 (check_function_return_warnings): Use it.
9479 * c-common.h: Declare lang_missing_noreturn_ok_p.
9481 * c-lang.c (c_missing_noreturn_ok_p): New function.
9482 (lang_init): Set lang_missing_noreturn_ok_p.
9484 * invoke.texi (Warning Options): Document this.
9486 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9488 * extend.texi (C++ Extensions): New node for C++ attributes;
9489 describe init_priority and com_interface.
9490 * invoke.texi: Remove -finit-priority as it now has zero effect.
9491 * install.texi: Fix xref syntax.
9492 * md.texi: Likewise.
9494 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9496 * config.gcc (sparc64-wrs-vxworks*): New case.
9497 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9499 * config/sparc/sparc.c (sparc_override_options): Do support different
9500 pointer and architecture size.
9501 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9502 (POINTERS_EXTEND_UNSIGNED): Define.
9503 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9504 (FUNCTION_MODE): Define to be Pmode.
9505 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9507 * function.c (expand_function_end): Properly handle DECL_RESULT
9508 and copy when ptr_mode != Pmode.
9509 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9511 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9513 * c-common.c (c_common_nodes_and_builtins): Set prototype
9514 parameters for __builtin_fputs, __builtin_fputc and
9515 __builtin_fwrite. Don't declare plain fputc as a builtin.
9517 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9519 * loop.c (add_label_notes): Increment the label usage count when
9520 a note is added to an insn which refers to a CODE_LABEL.
9521 * gcse.c (add_label_notes): Likewise.
9523 2001-01-01 Andreas Jaeger <aj@suse.de>
9525 * loop.c (scan_loop): Use xmalloc to allocate movables.
9527 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9529 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9530 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9531 * reload1.c (REGISTER_MOVE_COST): Likewise.
9532 * regclass.c (REGISTER_MOVE_COST): Likewise.
9533 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9534 dimension. Adjust all users.
9535 (init_reg_sets_1): Iterate on all modes.
9536 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9537 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9538 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9539 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9540 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9541 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9542 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9543 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9544 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9545 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9546 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9547 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9548 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9549 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9550 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9551 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9552 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9553 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9554 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9555 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9556 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9557 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9558 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9559 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9560 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9561 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9562 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9564 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9566 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9567 arg VARIES_P. Call it with extra arg.
9568 (true_dependence): Likewise.
9569 * rtl.h (rtx_addr_can_trap_p): Declare.
9570 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9572 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9573 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9574 pic offset table register if it's zero. All callers changed.
9575 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9577 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9579 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9580 STRING_POOL_ADDRESS_P.
9582 * config/sparc/sparc.c (input_operand): Properly test for short op.
9584 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9585 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9586 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9587 * config/sparc/elf.h: No longer include sol2.h.
9588 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9589 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9591 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9593 2001-01-01 Michael Hayes <mhayes@redhat.com>
9595 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9596 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9597 (record_initial): Likewise.
9598 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9599 (remap_split_bivs): Likewise.
9601 2001-01-01 Michael Hayes <mhayes@redhat.com>
9603 * loop.c (loop_ivs_free): New function.
9604 (strength_reduce): Break out from...
9606 2001-01-01 Michael Hayes <mhayes@redhat.com>
9608 * loop.h (struct iv): New.
9609 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9610 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9611 'reg_biv_class' fields with 'regs' and 'n_regs'.
9612 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9613 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9614 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9616 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9618 * resource.c (mark_referenced_resources): Abort() before
9619 attempting to mark a pseudo register.
9620 (mark_set_resources): Likewise.
9622 2001-01-01 Michael Hayes <mhayes@redhat.com>
9624 * loop.h (REG_IV_CLASS): New accessor macro.
9625 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9626 * unroll.c (REG_IV_CLASS): Likewise.
9628 See ChangeLog.4 for earlier changes.