1 2005-10-15 Diego Novillo <dnovillo@redhat.com>
5 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
6 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
8 (vrp_visit_phi_node): Only prevent infinite iterations when
9 the previous result and the new result are both VR_RANGEs.
11 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
13 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
16 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
19 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
22 2005-10-14 Per Bothner <per@bothner.com>
25 * c-ppoutput.c (print_line): Print internal line 0 as 1.
27 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
30 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
31 overflow flags. Refactor some conditionals.
33 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
36 * tree-dfa.c (add_referenced_var): Only look at decls which
37 have TREE_CONSTANT or TREE_READONLY set instead of if
38 !TREE_PUBLIC or !TREE_CONSTANT.
40 2005-10-13 James E Wilson <wilson@specifix.com>
42 * doc/invoke.texi: For -x, add f95-cpp-input.
43 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
45 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
47 PR tree-optimization/24262
48 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
51 2005-10-12 Richard Henderson <rth@redhat.com>
54 * tree.h (DECL_TRANSPARENT_UNION): Remove.
55 * function.c (assign_parm_find_data_types): Don't support it.
56 * print-tree.c (print_node): Likewise.
57 * c-common.c (handle_transparent_union_attribute): Likewise.
58 Use build_duplicate_type.
59 * tree-inline.c (remap_type_1): Split out of remap_type;
60 properly remap aggregate fields.
61 (build_duplicate_type): New.
62 * doc/extend.texi (Variable Attributes): Remove documentation
63 for transparent_union.
65 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
68 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
69 (gen_stack_pointer_dec): Likewise.
71 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
75 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
77 (struct cxx): Add adjust_class_at_definition target hook.
78 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
79 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
80 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
81 hook_void_tree. Add to TARGET_CXX.
82 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
84 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
85 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
86 instead of attribute. Check for dllexport override. Warn if
87 inconsistent dll linkage. Don't lose old dllimport if decl has
88 had address referenced. Tweak lookup of dllimport atribute.
89 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
90 for target specific rules. Don't add dllimport attribute if
91 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
93 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
94 * varasm.c (initializer_constant_valid_p): Replace
95 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
99 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
100 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
101 (i[34567]86-*-mingw32*): Likewise.
103 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
104 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
106 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
107 C++-specific code. Change return value to bool.
108 (i386_pe_dllimport_p): Likewise.
109 (associated_type): Simplify and make language-independent
110 (i386_pe_encode_section_info): Replace override of ambiguous
111 dllimport symbol refs with a gcc_assert.
112 (i386_pe_valid_dllimport_attribute_p): Define.
113 * config/i386/winnt-cxx.c: New file. Define C++ versions of
114 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
115 i386_pe_adjust_class_at_definition.
116 * config/i386/winnt-stubs.c: New file. Define stub versions of
117 lang-specific functions.
118 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
119 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
120 i386_pe_adjust_class_at_definition.
121 (i386_pe_valid_dllimport_attribute_p): Declare.
122 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
123 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
124 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
127 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
128 dllimport attribute with test of DECL_DLLIMPORT_P.
130 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
132 * combine.c (make_extraction): Correct offset computation.
134 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
136 * config/cris/t-linux (LIMITS_H_TEST): Define.
138 2005-10-12 Richard Henderson <rth@redhat.com>
141 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
143 2005-10-12 Richard Guenther <rguenther@suse.de>
145 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
147 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
150 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
151 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
154 2005-10-12 Richard Guenther <rguenther@suse.de>
157 * varasm.c (output_constant): Correct typo from previous
160 2005-10-11 Ian Lance Taylor <ian@airs.com>
162 PR rtl-optimization/13931
163 * combine.c: Revert patch of 2003-05-14, and:
164 (try_combine): Only set elim_i1 and elim_i2 if the destination is
165 completely killed in the appropriate insn.
166 (distribute_notes): Don't skip multiple hard register test for
169 2005-10-11 Richard Henderson <rth@redhat.com>
172 * c-typeck.c (convert_for_assignment): Use build_constructor_single
173 to initialize a transparent union instead of a nop_expr.
175 2005-10-11 Richard Henderson <rth@redhat.com>
177 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
178 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
179 (tree_ssa_dce_loop): Call scev_reset.
182 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
183 * tree-ssa-dce.c: Include cfgloop.h.
184 (tree_ssa_dce_loop, pass_dce_loop): New.
185 * tree-pass.h (pass_dce_loop): Declare it.
186 * passes.c (init_optimization_passes): Use it.
188 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
191 * convert.c (convert_to_real): Revert 2005-10-05 patch.
192 Only apply the optimization for rounding builtins if the inner
193 cast is also an extension.
195 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
198 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
199 mark_new_vars_to_rename instead of update_stmt.
201 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
203 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
205 2005-10-11 Jakub Jelinek <jakub@redhat.com>
207 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
208 for setting MMX register to 0 rather than mmx.
210 2005-10-10 Steve Ellcey <sje@cup.hp.com>
213 * configure.ac: Move gas check from mips specific case to common case.
214 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
215 * configure: Regenerate
216 * doc/install.texi: Update.
218 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
221 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
223 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
225 * gcc.c (do_spec_1): Accept numeric characters in file name
228 2005-10-10 Nick Clifton <nickc@redhat.com>
230 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
231 describing the deleted arm_gen_rotated_half_load function.
233 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
235 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
238 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
240 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
242 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
243 (EXTRA_MULTILIB_PARTS): Define.
244 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
245 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
246 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
247 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
248 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
249 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
251 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
253 PR tree-optimization/24226
254 * tree-cfg.c (remove_bb): Clean up unreachable loops.
255 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
256 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
259 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
261 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
263 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
266 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
267 Rewrite for no need for the early clobber.
269 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
271 Merge from csl-arm-branch:
272 2005-09-07 Paul Brook <paul@codesourcery.com>
273 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
276 2005-04-30 Paul Brook <paul@codesourcery.com>
277 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
278 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
280 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
281 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
282 (arm_override_options): Use TARGET_AAPCS_BASED.
283 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
284 (PTRDIFF_TYPE): Use int for AAPCS.
285 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
286 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
287 (DEFAULT_SHORT_ENUMS): Delete.
288 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
290 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
291 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
292 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
293 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
295 2004-12-03 Mark Mitchell <mark@codesourcery.com>
296 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
298 2004-11-22 Mark Mitchell <mark@codesourcery.com>
299 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
301 2004-11-19 Mark Mitchell <mark@codesourcery.com>
302 * config.gcc (arm*-*-linux-gnueabi): Add it.
303 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
305 (TARGET_OS_CPP_BUILTINS): Likeiwse.
306 * config/arm/linux-eabi.h: New file.
307 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
308 (LINUX_TARET_LINK_SPEC): Likewise.
310 * config/arm/t-linux-eabi: New file.
312 2005-10-08 Steven Bosscher <stevenb@suse.de>
315 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
317 (PARAM_SMS_DFA_HISTORY): Likewise.
319 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
322 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
323 (load_register_parameters): Call it.
324 (check_sibcall_argument_overlap_1): Likewise.
325 (store_one_arg): Likewise.
327 2005-10-07 James E. Wilson <wilson@specifix.com>
329 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
330 DImode not VECINT24 for operand 2.
333 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
337 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
338 fr_spill): Use destination_operand for operand 0.
340 2005-10-07 DJ Delorie <dj@redhat.com>
342 * varasm.c (output_constant): Limit error to expanding
345 2005-10-07 Richard Guenther <rguenther@suse.de>
348 * fold-const.c (fold_binary): Fix operand types during folding
349 of X op (A, Y). Evaluation order of the side-effects of
350 X and A are frontend-defined, so ensure we honour that even for
351 tcc_comparison class operands; eased by removing duplicate code.
353 2005-10-07 Steve Ellcey <sje@cup.hp.com>
355 * stor-layout.c (layout_type): Do not allow alignment of array
356 elements to be greater than their size.
358 2005-10-07 Steve Ellcey <sje@cup.hp.com>
360 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
362 (hppa*-*-linux*): Ditto.
363 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
364 * config/host-hpux.c: New.
365 * config/x-hpux: New.
366 * config/pa/x-hpux: Remove.
367 * config/pa/x-linux: Remove.
368 * config/pa/pa-host.c: Remove.
370 2005-10-07 Jeff Law <law@redhat.com>
372 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
373 determine whether or not to try and thread outgoing edges.
375 2005-10-07 David Edelsohn <edelsohn@gnu.org>
377 * config/rs6000/rs6000.md (eqsi_power): New.
378 (neg_eq0si): Add TARGET_POWER to final condition.
381 2005-10-06 Richard Henderson <rth@redhat.com>
383 * config/rs6000/rs6000.c: Revert last change.
385 2005-10-06 Richard Henderson <rth@redhat.com>
387 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
388 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
390 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
394 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
395 out return_label and naked_return_label.
397 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
399 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
402 2005-10-06 Richard Henderson <rth@redhat.com>
405 * tree-inline.c (declare_return_variable): Handle modify_dest not
408 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
410 Fix PR tree-optimization/22488
411 * tree-ssa-structalias.c (check_for_overlaps): New function.
412 (create_variable_info_for): Use it.
414 2005-10-06 Richard Henderson <rth@redhat.com>
417 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
418 (dwarf2out_start_source_file): Print it.
420 2005-10-06 Geoffrey Keating <geoffk@apple.com>
422 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
424 2005-10-06 Richard Henderson <rth@redhat.com>
427 * mode-switching.c (optimize_mode_switching): Clear transp bit
428 for block with incomming abnormal edges.
430 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
431 (fpscr_set_from_mem): Use them.
432 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
433 (fpscr postinc splitters): Rewrite as peephole2+split.
435 2005-10-06 David Edelsohn <edelsohn@gnu.org>
437 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
438 (eq<mode>_compare): Same.
440 2005-10-06 Richard Guenther <rguenther@suse.de>
442 PR tree-optimization/24238
443 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
445 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
447 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
448 here. Use AC_PATH_PROG for environment variables instead of
450 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
452 * configure: Regenerated.
454 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
457 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
458 then force it into a register.
459 (call_value): Likewise.
461 2005-10-06 Richard Henderson <rth@redhat.com>
464 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
465 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
466 under pass_vectorize.
468 2005-10-05 Devang Patel <dpatel@apple.com>
471 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
472 handling constants. Check NAMESPACE_DECL context for constants.
474 2005-10-05 Eric Christopher <echristo@apple.com>
476 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
478 2005-10-05 Richard Henderson <rth@redhat.com>
481 * tree-cfg.c (mark_array_ref_addressable_1): New.
482 (mark_array_ref_addressable): New.
483 * tree-flow.h (mark_array_ref_addressable): Declare.
484 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
486 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
490 * reload.c (subst_reloads): When adding a REG_LABEL to a
491 jump instruction, also update JUMP_LABEL.
493 2005-10-05 David Edelsohn <edelsohn@gnu.org>
495 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
496 * bb-reorder.c (copy_bb_p): Use it.
497 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
499 2005-10-05 Richard Henderson <rth@redhat.com>
502 * toplev.c (process_options): Warn about unsupported combinations
503 of unwind tables and omit-frame-pointer.
504 * config/i386/i386.c (override_options): Similarly. Enable
505 accumulate-outgoing-args if not explicitly disabled.
507 2005-10-05 Steve Ellcey <sje@cup.hp.com>
509 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
510 Handle big endian vs. small endian.
511 (vec_initv2sf): Handle big endian vs. small endian.
512 (*vec_extractv2sf_1): Ditto.
514 2005-10-05 Dale Johannesen <dalej@apple.com>
516 * convert.c (convert_to_real): Don't convert
517 (float)floor(double d) to floorf((float)d).
519 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
521 * config/arm/arm.md (insv): Use gen_int_mode in more places.
523 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
525 PR tree-optimization/18587
526 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
527 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
528 build_vuses): Change to VEC type.
529 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
530 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
531 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
532 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
533 (get_name_decl): New. Return DECL_UID of base variable.
534 (operand_build_cmp): New. qsort comparison routine.
535 (operand_build_sort_virtual): New. Sort virtual build vector.
536 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
537 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
538 (FINALIZE_BASE): Use get_name_decl.
539 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
540 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
541 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
542 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
543 direct VEC_* manipulations.
544 (build_ssa_operands): Call operand_build_sort_virtual.
545 (copy_virtual_operand, create_ssa_artficial_load_stmt,
546 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
547 with direct VEC_* manipulations.
548 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
549 with direct VEC manipulations.
551 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
553 PR tree-optimization/21419
554 PR tree-optimization/24146
555 PR tree-optimization/24151
557 * c-typeck.c (readonly_error): Handle USE being lv_asm.
558 (build_asm_expr): Call it if outputs are read-only.
559 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
561 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
562 Paolo Bonzini <bonzini@gnu.org>
566 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
567 enable the instructions and not just the built-ins.
568 * doc/invoke.texi (x86 Options): Likewise.
570 2005-10-04 Geoffrey Keating <geoffk@apple.com>
572 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
574 * doc/invoke.texi (Option Summary): Correct spelling
575 of -mmacosx-version-min.
577 2005-10-04 Devang Patel <dpatel@apple.com>
579 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
582 2005-10-04 Steve Ellcey <sje@cup.hp.com>
584 * tree-vect-transform.c (vect_create_epilog_for_reduction):
585 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
587 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
589 * config/s390/s390.md ("TDSI","DP"): New mode macros.
590 ("TE","tg"): New mode attributes.
591 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
592 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
593 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
594 dword_mode and one for GPRmode.
596 2005-10-04 Ian Lance Taylor <ian@airs.com>
598 PR preprocessor/13726
599 * c-ppoutput.c (cb_include): Add comments parameter, and print out
600 any comments passed in.
602 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
604 * tree.c (annotate_with_file_line): Fix typo.
606 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
609 * builtins.c (fold_builtin_memcmp): When constructing the pointer
610 type used to access data in the inlined length == 1 case, use
611 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
612 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
614 2005-10-04 Uros Bizjak <uros@kss-loka.si>
616 * config/i386/i386.h (TARGET_FISTTP): Enable also for
617 TARGET_SSE3 and only for TARGET_80387.
618 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
619 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
620 Do not depend on TARGET_80387.
622 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
624 * tree.c (last_annotated_node): Change type to location_t*.
625 (annotate_with_file_line): Reflect the change of
626 last_annotated_node type.
628 2005-10-04 Richard Guenther <rguenther@suse.de>
631 * c-decl.c (grokdeclarator): Don't write to fields
634 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
637 * c-decl.c (finish_decl): Use set_user_assembler_name even for
639 * varasm.c (make_decl_rtl): If a register variable does not
640 have a set user assmbler name, error out.
641 Decode the asmspec is now name+1 bypassing '*'.
643 2005-10-04 Steven Bosscher <stevenb@suse.de>
645 PR tree-optimization/23049
646 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
647 of a COND_EXPR is folded before calling fold on the whole rhs of a
648 conditional assignment.
649 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
650 document that a COND_EXPR may appear there.
652 2005-10-03 Diego Novillo <dnovillo@redhat.com>
655 * tree-vrp.c (extract_range_from_assert): If the new numeric
656 range created out of the assertion contradicts the existing
657 numeric range of the ASSERT_EXPR variable, make the new range
660 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
662 * config/sh/sh.c (sh_register_move_cost): Add case for moving
663 from T_REGS to FP register class.
665 2005-10-03 Richard Henderson <rth@redhat.com>
668 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
669 before creating a new one.
671 2005-10-03 David Edelsohn <edelsohn@gnu.org>
673 * config/rs6000/t-aix43 (LDFLAGS): New.
674 * config/rs6000/t-aix52 (LDFLAGS): New.
676 2005-10-03 Ian Lance Taylor <ian@airs.com>
678 * gimplify.c (find_single_pointer_decl_1): New static function.
679 (find_single_pointer_decl): New static function.
680 (internal_get_tmp_var): For a formal variable, set restrict base
681 information if appropriate.
682 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
684 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
685 (DECL_GET_RESTRICT_BASE): Define.
686 (SET_DECL_RESTRICT_BASE): Define.
687 (decl_restrict_base_lookup): Declare.
688 (decl_restrict_base_insert): Declare.
689 (struct tree_decl_with_vis): Add based_on_restrict_p field.
690 * tree.c (restrict_base_for_decl): New static variable.
691 (init_ttree): Initialize restrict_base_for_decl.
692 (copy_node_stat): Copy restrict base information.
693 (decl_restrict_base_lookup): New function.
694 (decl_restrict_base_insert): New function.
695 (print_restrict_base_statistics): New static function.
696 (dump_tree_statistics): Call print_restrict_base_statistics.
698 2005-10-02 Diego Novillo <dnovillo@redhat.com>
701 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
704 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
707 * c-typeck.c (tagged_tu_seen): Rename to ...
708 (tagged_tu_seen_cache): this and add val field.
709 (comptypes): Move functional to comptypes_internal
710 and free tagged_tu_seen.
711 (comptypes_internal): New function and call comptypes_internal
712 instead of comptypes. Speed up by sibcalling
713 tagged_types_tu_compatible_p.
714 (alloc_tagged_tu_seen): New function
715 (free_all_tagged_tu_seen_up_to): New function.
716 (tagged_types_tu_compatible_p): Return the val of the seen two
718 Add that the two types are the same to tagged_tu_seen_base
719 if they are and call comptypes_internal instead of comptypes.
720 <case UNION_TYPE>: Speed up common type where the fields are
722 (function_types_compatible_p): Call comptypes_internal instead of
724 (type_lists_compatible_p): Likewise.
725 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
727 2005-10-02 Matthias Klose <doko@debian.org>
729 * doc/invoke.texi: Fix typo and speling error.
731 2005-10-01 Richard Henderson <rth@redhat.com>
733 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
735 2005-10-01 Mark Mitchell <mark@codesourcery.com>
737 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
738 using --start-group and --end-group.
740 2005-10-01 Diego Novillo <dnovillo@redhat.com>
742 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
743 FIXME note regarding quirky semantics.
745 2005-10-01 Diego Novillo <dnovillo@redhat.com>
748 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
749 non-null range as a last resort.
751 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
752 Diego Novillo <dnovillo@redhat.com>
755 * tree-vrp.c (extract_range_from_assert): For !=
756 assertions, only build an anti-range if LIMIT is a
759 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
761 * arm.md (movqi): On thumb when optimizing, handle loading from
762 memory by describing this as taking a subreg of a zero-extended load
763 into an SImode register.
766 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
768 * reload1.c (merge_assigned_reloads): Do not change any
769 RELOAD_FOR_OUTPUT_ADDRESS reloads.
771 2005-09-30 Geoffrey Keating <geoffk@apple.com>
773 * Makefile.in (LIPO_FOR_TARGET): Define.
774 (STRIP_FOR_TARGET): Define.
776 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
777 before creating new ones. Do symlinks before creating the actual
780 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
781 to work out which multilibs are actually being built.
783 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
785 * tree-vect-transform.c, config/ms1/ms1.md,
786 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
787 Follow spelling conventions.
788 * doc/invoke.texi, doc/md.texi: Fix typos.
790 2005-09-30 Andrew Macleod <amacleod@redat.com>
792 PR tree-optimization/21430
793 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
794 use operands, and set stmt pointer if need be.
795 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
796 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
799 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
802 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
804 2005-09-29 Mark Mitchell <mark@codesourcery.com>
806 * optabs.c (expand_binop): Initialize first_pass_p.
808 2005-09-29 Jakub Jelinek <jakub@redhat.com>
811 * c-decl.c (c_write_global_declarations_1): If any
812 wrapup_global_declaration_2 call returned true, restart the loop.
814 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
816 Fix PR tree-optimization/24117
817 * tree-ssa-structalias.c (find_func_aliases): Strip nops
818 before considering whether to use anyoffset.
820 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
824 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
826 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
828 (swap_commutative_operands_with_target): New.
830 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
833 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
836 2005-09-29 Steven Bosscher <stevenb@suse.de>
838 PR tree-optimization/23911
839 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
840 and IMAGPART_EXPR too.
842 2005-09-28 Mark Mitchell <mark@codesourcery.com>
845 * expmed.c (expand_shift): Move logic to reverse rotation
846 direction when rotating by constants ...
847 * optabs.c (expand_binop): ... here.
848 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
849 (ix86_rotrdi3): New pattern.
850 (rotldi3): Handle 32-bit mode.
851 (ix86_rotldi3): New pattern.
853 2005-09-29 Alan Modra <amodra@bigpond.net.au>
856 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
857 check for numbers that need no bit twiddle.
859 2005-09-28 Geoffrey Keating <geoffk@apple.com>
861 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
862 multilib to be built.
864 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
865 (stage1-start): Delete old libgcc and libunwind before moving
866 anything into the stage directory.
867 (stage2-start): Likewise.
868 (stage3-start): Likewise.
869 (stage4-start): Likewise.
870 (stageprofile-start): Likewise.
871 (stagefeedback-start): Likewise.
872 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
873 header in tm_file and CPU-specific t-darwin in tmake_file.
874 (i[34567]86-*-darwin*): Don't change tm_file.
875 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
876 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
877 shared library stub for target OS version.
878 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
879 (SHLIB_LINK): Don't make SHLIB_SOLINK.
880 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
881 (libgcc_s.%.dylib): New.
883 (install-darwin-libgcc-stubs): New.
884 (INSTALL_LIBGCC): New append.
885 * config/i386/darwin-libgcc.10.4.ver: New.
886 * config/i386/darwin-libgcc.10.5.ver: New.
887 * config/i386/t-darwin: New.
888 * config/rs6000/darwin-libgcc.10.4.ver: New.
889 * config/rs6000/darwin-libgcc.10.5.ver: New.
890 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
891 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
893 2005-09-28 Paul Brook <paul@codesourcery.com>
895 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
898 2005-09-28 Richard Guenther <rguenther@suse.de>
900 PR tree-optimization/23853
901 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
902 host_integerp to verify misalignment value.
904 2005-09-28 Richard Henderson <rth@redhat.com>
906 * builtins.c (get_builtin_sync_mode): New.
907 (expand_builtin_sync_operation): Pass in mode argument.
908 (expand_builtin_compare_and_swap): Likewise.
909 (expand_builtin_lock_test_and_set): Likewise.
910 (expand_builtin_lock_release): Likewise.
911 (expand_builtin): Update to match.
913 2005-09-28 Nick Clifton <nickc@redhat.com>
915 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
916 formatting. Add check to PLUS case to ensure that the offset is
917 within an acceptable range.
919 * config/v850/v850.md (casesi): Disable the generation of the
920 switch pattern as it is not being handled properly at the moment.
922 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
923 for when the high words are identical.
925 2005-09-27 Richard Henderson <rth@redhat.com>
927 * pretty-print.c (pp_base_format): Fix typo for %>.
929 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
930 Devang Patel <dpatel@apple.com>
932 PR tree-optimization/23625
933 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
934 LABEL_EXPR, assertion check.
936 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
938 * optabs.c (no_conflict_move_test): Check if a result of a
939 to-be-moved insn would be clobbered by an originally
942 2005-09-27 Jeff Law <law@redhat.com>
944 * passes.c (init_optimization_passes): Replace copy propagation
945 passes immediately after DOM with phi-only copy propagation
946 pases. Add phi-only copy propagation pass after first DOM pass.
947 * tree-pass.h (pass_phi_only_copy_prop): Declare.
948 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
949 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
950 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
951 to init_copy_prop. Callers updated.
952 (do_phi_only_copy_prop): New function.
953 (pass_phi_only_copy_prop): New pass descriptor.
955 2005-09-27 Nick Clifton <nickc@redhat.com>
957 * libgcc2.c (__popcount_tab): Remove redundant prototype.
959 2005-09-26 Jason Merrill <jason@redhat.com>
962 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
964 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
966 2005-09-26 James E Wilson <wilson@specifix.com>
968 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
969 copyright. Add gcc copyright plus libgcc exception.
970 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
972 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
974 2005-09-26 Jeff Law <law@redhat.com>
976 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
977 about when to iterate.
979 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
982 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
983 for __complex__ double in -mcpu=G5 mode.
985 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
987 PR tree-optimization/23942
988 * Makefile.in (SCEV_H): Depends on PARAMS_H.
989 * tree-scalar-evolution.c: Include params.h.
991 (follow_ssa_edge, follow_ssa_edge_in_rhs,
992 follow_ssa_edge_in_condition_phi_branch,
993 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
994 Change return type to t_bool. Use a parameter to limit the size of
995 trees that are walked before stopping
996 (analyze_evolution_in_loop): Initialize the limit to 0.
997 (follow_ssa_edge): Give up by returning t_dont_know if the limit
998 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1000 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1003 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1004 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1006 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1008 * combine.c (make_extraction): Check for valid use of subreg.
1010 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1013 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1014 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1015 ("fist<mode>2_with_temp"): Use only register operands.
1017 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1019 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1020 CALL_INSN_FUNCTION_USAGE.
1022 2005-09-26 Richard Guenther <rguenther@suse.de>
1025 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1026 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1027 (ldst_entry): Use the hashtable instead of list-walking.
1028 (find_rtx_in_ldst): Likewise.
1029 (free_ldst_entry): Free the hashtable.
1030 (compute_ld_motion_mems): Create the hashtable.
1031 (trim_ld_motion_mems): Remove entry from hashtable if
1032 removing it from list.
1033 (compute_store_table): Likewise^2.
1034 (store_motion): Free hashtable in case we did not see
1037 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1039 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1040 and arg1 if we are passing them to fold_build2.
1042 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1045 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1048 2005-09-25 Richard Henderson <rth@redhat.com>
1050 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1051 SYMBOL_REF_TLS_MODEL to be correct.
1053 2005-09-24 Richard Henderson <rth@redhat.com>
1055 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1056 end of function. Reindent.
1058 2005-09-24 Ian Lance Taylor <ian@airs.com>
1060 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1061 NEGATE_EXPR/BIT_NOT_EXPR case.
1063 2005-09-24 Richard Henderson <rth@redhat.com>
1065 * c-common.c (handle_mode_attribute): When not modifying in place,
1066 create subtypes for enumerations.
1067 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1068 * gimplify.c (create_tmp_from_val): Likewise.
1070 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1072 * config/i386/i386.md (*tls_global_dynamic_64,
1073 *tls_local_dynamic_base_64): Add missing mode to call.
1074 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1076 2005-09-24 Jan Hubicka <jh@suse.cz>
1078 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1079 (cgraph_clone_node): Likewise.
1080 * cgraph.h (cgraph_clone_edge): Update prototype.
1081 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1082 duplicated prototypes; add updating argument.
1083 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1084 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1086 (cgraph_mark_inline_edge): Likewise.
1087 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1088 (cgraph_flatten_node): Likewise.
1089 (cgraph_decide_recursive_inlining): Likewise.
1090 (cgraph_decide_inlining_of_small_function): Likewise.
1091 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1093 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1094 Pete Steinmetz <steinmtz@us.ibm.com>
1096 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1097 (rldic.): Set type to "compare".
1099 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1100 mfjmpr for MFCTR/MFLR.
1101 (movdf_hardfloat64): Same.
1102 (movdf_softfloat64): Same. Correct order of store and move types.
1103 (movti_string): Set type to store_ux/load_ux.
1104 (load_multiple): Set type to load_ux.
1105 (store_multiple): Set type to store_ux.
1106 (movmemsi): Set type to store_ux.
1107 (output_cbranch direct_return): Set type to jmpreg.
1108 (stmw): Set type to store_ux.
1109 (lmw): Set type to load_ux.
1110 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1111 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1112 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1113 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1114 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1115 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1116 (rios1-fpstore): Increase latency to 3.
1117 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1118 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1120 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1121 Andrew Pinski <pinskia@physics.uc.edu>
1123 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1124 operand2 constraint to "b".
1125 (sync_<fetchop_name>di_internal): Same.
1126 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1128 (sync_old_<fetchop_name>di_internal): Same.
1129 (sync_new_<fetchop_name>si_internal): Same.
1130 (sync_new_<fetchop_name>di_internal): Same.
1132 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1135 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1136 case, define as macros.
1138 PR rtl-optimization/23837
1139 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1140 clobber / clobber match between dest and p->first.
1142 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1143 (no_conflict_move_test): Update comments.
1145 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1147 * doc/install.texi: Update URL for Jacks.
1148 * doc/sourcebuild.texi: Likewise.
1150 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1153 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1154 registers when choosing register preferences.
1155 (movdf_hardfloat64): Same.
1157 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1159 * expmed.c (expand_shift): Don't use the target of the rotate as
1160 target for the first expanded shift insn.
1161 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1163 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1165 PR tree-optimization/22438
1166 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1167 preserved iv rhs rewriting specially.
1169 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1171 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1172 estimate_only is true.
1173 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1174 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1175 tree-ssa-structalias.c
1176 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1177 ref_contains_indirect_ref.
1178 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1180 2005-09-21 DJ Delorie <dj@redhat.com>
1182 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1184 (mn10300_return_in_memory): Support variable size types also.
1185 (mn10300_pass_by_reference): Likewise.
1186 (mn10300_function_value): New.
1187 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1188 (FUNCTION_OUTGOING_VALUE): Likewise.
1189 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1190 * doc/invoke.texi: Document it.
1192 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1195 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1196 force integer op1 into register for XFmode compares.
1198 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1201 * expmed.c (alg_code): Add alg_impossible.
1202 (alg_hash_entry): Add cost.
1203 (synth_mult): Record alg_impossible in the hash table if
1204 multiplication by a given integer is impossble within the
1205 limit. Speed up using alg_impossible.
1207 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1209 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1210 argument. Allow and set any offset if needs_anyoffset is passed
1212 (get_constraint_for): Add argument here too.
1214 (do_structure_copy): Pass NULL to get_constraint_for.
1215 (handle_ptr_arith): Ditto.
1216 (find_func_aliases): Ditto.
1218 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1220 PR rtl-optimization/23898
1221 * output.h (get_attr_min_length): Declare.
1222 * final.c (get_attr_length_1): New function, broken out of:
1224 (get_attr_min_length): New function.
1225 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1226 (duplicate_computed_gotos): Likewise.
1227 * genattr.c (insn_min_length): Generate declaration.
1228 * genattrtab.c (min_fn, min_attr_value): New functions.
1229 (make_length_attrs): Generate insn_min_length.
1231 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1233 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1235 2005-09-20 Richard Henderson <rth@redhat.com>
1237 PR tree-optimization/24059
1238 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1241 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1243 * c.opt (fextended-identifiers): New.
1244 * c-opts.c (c_common_handle_option): Handle
1245 -fextended-identifiers.
1246 * doc/cpp.texi: Update documentation of extended identifiers.
1247 * doc/cppopts.texi (-fextended-identifiers): Document.
1249 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1251 PR tree-optimization/23929
1252 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1255 PR tree-optimization/23818
1256 * tree-stdarg.c (execute_optimize_stdarg): Call
1257 calculate_dominance_info.
1259 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1261 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1262 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1263 (compute_overlap_steps_for_affine_1_2): Use
1264 get_number_of_iters_for_loop.
1265 (analyze_subscript_affine_affine): Check whether difference is
1267 Use get_number_of_iters_for_loop.
1268 Check whether overlap occurs outside of bounds.
1269 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1271 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1273 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1274 base register if possible.
1276 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1278 PR tree-optimization/18463
1279 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1280 converting it directly is not possible.
1281 (chrec_convert_aggressive): New function.
1282 * tree-chrec.h (chrec_convert_aggressive): Declare.
1283 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1284 Fold chrec conversions aggressively if asked to.
1285 (instantiate_parameters): Modified because of changes in
1286 instantiate_parameters_1.
1288 2005-09-19 Richard Henderson <rth@redhat.com>
1290 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1291 (reduc_splus_v2df): New.
1293 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1295 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1296 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1298 2005-09-19 Richard Henderson <rth@redhat.com>
1300 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1303 2005-09-19 Richard Henderson <rth@redhat.com>
1305 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1306 (ia64_expand_dot_prod_v8qi): New.
1307 * config/ia64/ia64-protos.h: Update.
1308 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1309 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1310 sdot_prodv8qi, sdot_prodv4hi): New.
1311 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1313 2005-09-19 Richard Henderson <rth@redhat.com>
1316 * real.c (exact_real_truncate): Return false if the format cannot
1317 represent the number as a normal.
1319 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1320 for a memory source.
1322 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1324 * tree-ssa-operands.c (swap_tree_operands): Export.
1325 * tree.h (swap_tree_operands): Declare.
1326 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1327 Call swap_tree_operands.
1329 2005-09-19 Richard Henderson <rth@redhat.com>
1331 * tree-flow.h (merge_alias_info): Declare.
1332 * tree-ssa-copy.c (merge_alias_info): Export.
1333 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1334 (vect_create_data_ref_ptr): Use create_iv directly.
1335 (vectorizable_load): Use correct types for integer constants.
1336 (vect_generate_tmps_on_preheader): Likewise.
1337 (vect_gen_niters_for_prolog_loop): Likewise.
1339 2005-09-19 Steven Bosscher <stevenb@suse.de>
1341 PR rtl-optimization/23943
1342 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1344 2005-09-18 Jan Hubicka <jh@suse.cz>
1346 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1348 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1350 * varasm.c (output_constant): Do not abort on conversions to union
1351 types between different sizes.
1353 2005-09-18 Richard Guenther <rguenther@suse.de>
1356 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1359 2005-09-18 Paul Brook <paul@codesourcery.com>
1361 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1363 2005-09-17 Richard Henderson <rth@redhat.com>
1365 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1366 * tree-ssa-loop.c (pass_vect_dce): Remove.
1367 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1370 2005-09-17 Richard Henderson <rth@redhat.com>
1372 * tree-pass.h (pass_vect_dce): Declare.
1373 * passes.c (init_optimization_passes): Add it.
1374 * tree-flow.h (tree_ssa_dce): Declare.
1375 * tree-ssa-dce.c (tree_ssa_dce): Export.
1376 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1377 (gate_tree_vectorize): ... here.
1378 (pass_vect_dce): New.
1380 2005-09-17 Jan Hubicka <jh@suse.cz>
1382 * except.c (struct eh_status): Turn region_array into vec.
1383 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1384 convert_from_eh_region_ranges, find_exception_handler_labels,
1385 current_function_has_exception_handlers, assign_filter_values,
1386 build_post_landing_pads, dw2_build_landing_pads,
1387 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1388 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1389 foreach_reachable_handler, can_throw_internal_1,
1390 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1392 (duplicate_eh_region_1): Update region_array.
1393 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1395 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1398 * expmed.c (expand_mult): Substitute simple register for op0 when
1401 2005-09-17 Richard Henderson <rth@redhat.com>
1403 * expr.c (emit_move_via_integer): Add force argument, pass it on
1404 to emit_move_change_mode. Update callers.
1405 (emit_move_complex): Pass true to new force argument.
1406 * function.c (expand_function_end): Move expand_eh_return call
1407 earlier. Merge sub-word complex values into a pseudo before
1408 copying to the return hard register.
1410 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1412 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1413 between different sizes.
1415 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1419 * passes.c (init_optimization_passes): Register dump files for
1422 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1424 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1425 * config/s390/s390.c (s390_overlap_p): New function.
1426 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1427 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1430 2005-09-16 Richard Guenther <rguenther@suse.de>
1432 * ipa-pure-const.c (static_execute): Free auxiliar information.
1433 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1434 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1436 2005-09-15 DJ Delorie <dj@redhat.com>
1438 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1440 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1442 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1444 (swap_commutative_operands_with_target): New.
1446 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1448 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1451 (estimate_iters_using_array): New function.
1452 * tree-data-ref.h (estimate_iters_using_array): Prototype
1453 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1454 Use estimate_iters_using_array instead of analyze_array.
1456 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1458 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1461 2005-09-15 Michael Matz <matz@suse.de>
1463 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1465 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1467 PR tree-optimization/23835
1468 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1469 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1471 2005-09-14 Richard Henderson <rth@redhat.com>
1473 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1474 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1476 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1478 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1479 in the ARRAY_TYPE case.
1481 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1483 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1485 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1488 * tree-vect-transform.c (vectorizable_operation): Return false for
1489 scalar shift operations and for vector shift operations with
1490 non-invariant shift arguments. Use scalar tree operand op1 as
1491 a shift operand when vector shift insn pattern uses scalar shift
1493 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1495 2005-09-14 Olivier Hainque <hainque@adacore.com>
1497 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1498 value if it has side-effects.
1500 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1503 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1505 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1507 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1508 passed as NAME as if it were label at start of function code.
1510 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1512 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1515 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1517 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1518 as early clobber. Rewrite so the PIC register is not implicitly used.
1520 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1522 * tree.c (annotate_with_file_line): Compare line numbers before
1525 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1528 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1529 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1531 2005-09-13 Ian Lance Taylor <ian@airs.com>
1533 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1534 than a HOST_WIDEST_INT to gen_doloop_begin.
1536 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1538 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1540 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1542 PR tree-optimize/23817
1543 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1545 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1548 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1549 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1550 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1551 (restore_stack_nonlocal): Likewise.
1552 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1554 2005-09-12 Ian Lance Taylor <ian@airs.com>
1557 * c.opt (ffriend-injection): New C++ option.
1558 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1559 (C++ Dialect Options): Document -ffriend-injection.
1561 2005-09-12 Josh Conner <jconner@apple.com>
1564 * ipa-reference.c (static_execute): Don't mark variables in
1565 named sections TREE_READONLY.
1567 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1569 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1572 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1574 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1575 V_MUST_DEF instead of just the first_use_p.
1576 Don't mark the virtual variables for renaming on the statement which
1578 (pass_dse): Remove TODO_update_ssa.
1580 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1583 * stor-layout.c (compute_record_mode): For records with a single
1584 field, actually check the field's mode size against the type size.
1586 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1587 registers for TARGET_SHMEDIA.
1588 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1589 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1590 of GENERAL_REGS and FP_REGS.
1592 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1594 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1596 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1598 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1599 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1600 are omitted. Exclude stack_tie insn too.
1602 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1604 PR rtl-optimization/23098
1605 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1607 * config/rs6000/rs6000.md (movdf splitter): Use
1608 const_double_operand predicate for TARGET_POWERPC64.
1609 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1610 SYMBOL_REF method to ABI_V4.
1612 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1613 replace_equiv_address.
1614 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1615 rs6000_sr_alias_set and MEM_NOTRAP.
1616 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1618 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1620 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1621 handle CALL_EXPR again.
1623 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1625 * arm/predicates.md (alignable_memory_operand): Delete.
1627 2005-09-10 Richard Henderson <rth@redhat.com>
1630 * dbxout.c (dbxout_expand_expr): New.
1631 (dbxout_symbol): Use it.
1633 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1635 * arm.c (arm_gen_rotated_half_load): Delete.
1636 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1637 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1638 (thumb_set_return_address): Likewise.
1639 (thumb_load_double_from_address): Use adjust_address.
1640 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1641 (extendhsisi2_mem, movhi_bytes): Use change_address.
1642 (movhi): Use widen_memory_access.
1643 (reload_out_df): Use replace_equiv_address.
1644 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1646 2005-09-09 Richard Henderson <rth@redhat.com>
1649 * dbxout.c: Include expr.h.
1650 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1651 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1652 * Makefile.in (dbxout.o): Add EXPR_H.
1654 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1656 PR tree-optimization/23509
1657 * tree-cfg.c (replace_uses_by): Use replace_exp.
1658 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1659 pointers have name_mem_tag or type_mem_tag set.
1661 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1663 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1664 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1665 of wrongly accessing operands.
1667 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1669 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1670 * tree-chrec.c: Include tree-scalar-evolution.h.
1671 (chrec_convert): Instantiate the base and step before calling
1672 scev_probably_wraps_p that would fail on parametric evolutions.
1673 Collect all the fails into a single section failed_to_convert,
1674 print a diagnostic, and return chrec_dont_know instead of calling
1676 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1677 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1679 (scev_const_prop): Don't replace the definition of a loop closed ssa
1680 phi node by itself, or by another loop closed ssa phi node.
1681 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1682 that base and step are defined.
1684 2005-09-09 Richard Guenther <rguenther@suse.de>
1687 * fold-const.c (fold_ternary): Check truth_value_p before
1688 calling invert_truthvalue.
1690 2005-09-09 Nick Clifton <nickc@redhat.com>
1692 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1693 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1694 dimension of these arrays.
1695 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1697 * longlong.h: Only provide a prototype for the __clz_tab[] array
1698 if this header has not been included from libgcc2.h.
1699 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1701 Provide prototypes for exported functions.
1702 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1705 2005-09-08 Josh Conner <jconner@apple.com>
1709 * expr.c (expand_expr_addr_expr_1): Don't invoke
1710 expand_simple_binop for EXPAND_INITIALIZER.
1712 2005-09-08 Richard Henderson <rth@redhat.com>
1715 * toplev.c (wrapup_global_declaration_1): Split out ...
1716 (wrapup_global_declaration_2): ... from ...
1717 (wrapup_global_declarations): ... here. Return bool.
1718 (check_global_declaration_1): Split out ...
1719 (check_global_declarations): from here.
1720 (emit_debug_global_declarations): New.
1721 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1722 check_global_declaration_1, emit_debug_global_declarations): Declare.
1723 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1724 of decls. Call wrapup_global_declaration_1,
1725 wrapup_global_declaration_2, check_global_declaration_1 directly.
1726 (c_write_global_declarations_2): New.
1728 (c_write_global_declarations): Call c_write_global_declarations_2.
1729 * langhooks.c (write_global_declarations): Call
1730 emit_debug_global_declarations.
1732 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1733 remove decls that have DECL_RTL_SET_P.
1734 * passes.c (rest_of_decl_compilation): Invoke
1735 cgraph_varpool_finalize_decl for all but functions.
1737 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1739 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1740 the result of a conversion if the new min and max cannot be compared.
1742 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1744 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1745 (override_options): Setting s390_sr_alias_set removed.
1746 (save_fpr, save_gprs): Set alias set to vararg or frame.
1747 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1748 s390_sr_alias_set with get_frame_alias_set ().
1749 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1750 get_varargs_alias_set ().
1752 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1756 * c-parser.c (c_parser_objc_method_definition): If the next
1757 token is not "{", error out and don't start the function.
1759 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1761 * tree-vrp.c (extract_range_from_expr): Move the check for non
1762 nullness after the check for gimple invariant.
1764 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1766 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1768 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1771 * config/m32r.md (movmemsi_internal): Canonicalize order of
1772 operands in PLUS component of template.
1774 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1776 * reload1.c (fixup_eh_region_note): Remove assertion.
1777 (fixup_abnormal_edges): Reverted removal of call to
1778 find_many_sub_basic_blocks made on 2005-08-31.
1780 2005-09-07 Richard Henderson <rth@redhat.com>
1782 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1783 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1784 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1785 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1786 rearrange for better packing.
1787 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1788 (lookup_cfa_1): Remove inline marker.
1789 (cfa_equal_p): Split out of ...
1790 (def_cfa_1): ... here. Use INVALID_REGNUM.
1791 (build_cfa_loc): Handle !cfa->indirect.
1792 (frame_pointer_cfa_offset): New.
1793 (dbx_reg_number): Assert register elimination performed; do
1794 leaf register remapping.
1795 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1796 (eliminate_reg_to_offset): New.
1797 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1798 for verifiably local stack frame addresses; re-base to CFA.
1799 (mem_loc_descriptor): Remove can_use_fbreg argument.
1800 (concat_loc_descriptor, loc_descriptor): Likewise.
1801 (containing_function_has_frame_base): Remove.
1802 (rtl_for_decl_location): Don't do register elimination or
1803 leaf register remapping here.
1804 (secname_for_decl): Split out from ..
1805 (add_location_or_const_value_attribute): ... here.
1806 (convert_cfa_to_loc_list): New.
1807 (compute_frame_pointer_to_cfa_displacement): New.
1808 (gen_subprogram_die): Use them.
1809 * tree.h (frame_base_decl): Remove.
1810 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1811 (prologue_stack_adjust): Remove.
1812 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1813 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1814 (set_frame_base_location): Remove.
1815 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1816 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1817 (vt_add_function_parameters): Don't eliminate_regs.
1818 (vt_initialize): Don't create frame_base_decl.
1820 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1822 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1823 version of GNU binutils for 4.x and later.
1825 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1827 * ggc-page.c (ggc_push_context): Remove.
1828 (ggc_pop_context): Likewise.
1829 * ggc.h (ggc_push_context): Remove.
1830 (ggc_pop_context): Likewise.
1832 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1835 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
1836 returning from an interrupt handler.
1838 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1841 * config/arc/arc.c (output_shift): Add check for loop count when
1844 2005-09-06 Steven Bosscher <stevenb@suse.de>
1846 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1848 (abs_replacement): Likewise.
1849 (pass_phiopt): Remove TODO_update_ssa.
1851 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1854 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1855 if "return with no value, in function returning non-void" warning
1857 * tree-cfg.c (execute_warn_function_return): Don't look at
1858 RETURN_EXPRs with TREE_NO_WARNING set.
1861 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1862 for internal functions doesn't use registers used by global registers
1863 variables. Use fewer register parameters if there are global register
1866 2005-09-06 Olivier Hainque <hainque@adacore.com>
1867 Eric Botcazou <ebotcazou@adacore.com>
1870 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1871 when we would be extracting outside its bit span (bitpos+bitsize
1872 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1873 Ada unchecked conversions.
1875 2005-09-06 Steven Bosscher <stevenb@suse.de>
1877 * tree-ssa-pre.c (try_look_through_load): New function.
1878 (compute_avail): Use it to try to look through loads for some
1879 more useful expressions.
1881 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
1883 * simplify-rtx.c (simplify_binary_operation_1): Correct the
1884 condition for detecting cases like (a&a) and (a^a).
1886 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
1888 * common.opt: Add option ftree-vect-loop-version.
1889 * params.def: Add --param vect-max-version-checks.
1890 * doc/invoke.texi: Document ftree-vect-loop-version and
1891 --param vect-max-version-checks.
1892 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1893 may_misalign_stmts and defines for accessors.
1894 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1895 LOOP_VINFO_MAY_MISALIGN_STMTS.
1896 (destroy_loop_vec_info): VEC_free for
1897 LOOP_VINFO_MAY_MISALIGN_STMTS.
1898 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1899 Update documentation.
1900 (vect_update_misalignment_for_peel): New.
1901 (vect_enhance_data_refs_alignment): Update to choose loop
1902 peeling or loop versioning if appropriate for the (potentially)
1903 unaligned data references in the loop.
1904 (vect_analyze_data_refs_alignment): Remove call to
1905 vect_enhance_data_refs_alignment so the checks can be done
1907 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1908 and move up call to vect_analyze_data_refs_alignment.
1909 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1910 (vect_transform_loop): Add call to loop_version.
1912 2005-09-06 Jakub Jelinek <jakub@redhat.com>
1914 PR rtl-optimization/23098
1915 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1916 * simplify-rtx.c (constant_pool_reference_p): New function.
1917 * rtl.h (constant_pool_reference_p): New prototype.
1918 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1919 constant_pool_reference_p in condition and
1920 avoid_constant_pool_reference in preparation statements.
1922 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
1924 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
1925 STRICT_LOW_PART SETs.
1927 2005-09-06 Alan Modra <amodra@bigpond.net.au>
1930 * except.c (sjlj_emit_function_enter): Find the function begin
1931 note even when it's not in first basic block.
1933 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
1935 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
1936 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1937 * aclocal.m4: Regenerate.
1939 2005-09-05 DJ Delorie <dj@redhat.com>
1941 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1944 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
1946 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1947 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1948 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1949 Follow spelling conventions.
1950 * doc/invoke.texi: Follow spelling conventions.
1952 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1954 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1955 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1956 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1958 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
1961 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1962 (output_stack_adjust): Use gen_tmp_stack_mem.
1963 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1964 (sh_set_return_address, sh_allocate_initial_value): Likewise.
1965 (sh_get_pr_initial_val): Likewise.
1966 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1967 (sh_initialize_trampoline): Likewise. Also use adjust_address.
1968 * sh.md (divsi_inv_m0): Use gen_const_mem.
1969 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1970 (movdf_i4+1): Use gen_tmp_stack_mem.
1971 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1972 (fpu_switch+2): Likewise.
1973 (movv4sf_i, movv16sf_i): Use adjust_address.
1974 (symGOT_load): Set MEM_NOTRAP_P bit.
1976 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1979 * pa.c (emit_move_sequence): Fix typo in last change.
1981 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1983 PR rtl-optimization/23454
1984 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1987 2005-09-03 Richard Henderson <rth@redhat.com>
1988 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1991 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1994 2005-09-02 Nicolas Pitre <nico@cam.org>
1996 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1997 to bit_count to 32 bits.
1999 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2002 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2003 generating synthetic loads from volatile lvalues.
2005 005-09-02 Nick Clifton <nickc@redhat.com>
2007 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2008 __ctzhi2, __clzhi2): New functions.
2010 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2013 * tree-nested.c (struct var_map_elt): Mark with GTY.
2014 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2016 (lookup_field_for_decl): Allocate new element in GC memory.
2017 (lookup_tramp_for_decl): Likewise.
2018 (convert_nl_goto_reference): Likewise
2019 (create_nesting_tree): Allocate info in GC memory. Likewise for
2021 (free_nesting_tree): Free with ggc_free instead of free.
2022 (root): New static variable.
2023 (lower_nested_functions): Remove root as local variable. And zero out
2024 root at the end of the function.
2026 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2028 PR rtl-optimization/20365
2029 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2030 to short. New member ix.
2031 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2032 (simplify_plus_minus): Initialize ix members before calling qsort.
2034 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2036 PR tree-optimization/23626
2037 * tree-cfg.c (replace_uses_by): Clean up eh info.
2039 2005-09-01 DJ Delorie <dj@redhat.com>
2041 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2044 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2046 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2047 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2050 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2052 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2053 do not issue warning for a variable definition following
2056 2005-09-01 Richard Henderson <rth@redhat.com>
2059 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2060 conversion to CONST_VECTOR.
2062 2005-09-01 Richard Henderson <rth@redhat.com>
2065 * reload1.c (reload_as_needed): Check !CALL_P before calling
2066 fixup_eh_region_note.
2067 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2069 2005-09-01 DJ Delorie <dj@redhat.com>
2071 * varasm.c (output_constant): Let the target resolve
2072 conversions of addresses to non-default pointer sizes.
2074 2005-09-01 Nicolas Pitre <nico@cam.org>
2076 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2077 to alow matching ARM pre-indexed addressing mode.
2078 (arm_override_options): Remove now irrelevant comment.
2080 2005-09-01 Phil Edwards <phil@codesourcery.com>
2082 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2083 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2084 * config/i386/vxworks.h: Likewise.
2085 * config/i386/t-vxworksae: New file, for VxWorks AE.
2086 * config/i386/vxworksae.h: Likewise.
2088 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2090 PR tree-optimization/23410
2091 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2092 sequence is not wrapping during the first step.
2094 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2097 * dwarf2out.c (base_type_die): Compare char_type_node with
2098 TYPE_MAIN_VARIANT (type), not type.
2100 2005-09-01 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/15366
2103 * common.opt: Add -finline-functions-called-once.
2104 Put -fearly-inlining in alphabetically ordered place.
2105 * doc/invoke.texi: Document new option.
2106 * ipa-inline.c (cgraph_decide_inlining): Honour
2107 flag_inline_functions_called_once.
2109 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2111 PR rtl-optimization/23478
2112 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2113 (alloc_qty): Initialize it.
2114 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2115 (combine_regs): Combine also n_throwing_calls_crossed fields.
2116 (find_free_reg): Don't attempt to caller-save pseudos crossing
2117 calls that might throw.
2118 * global.c (struct allocno): Add throwing_calls_crossed field.
2119 (global_alloc): Revert 2005-08-22 change. Initialize
2120 throwing_calls_crossed.
2121 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2124 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2127 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2128 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2129 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2130 (and64_2_operand): Tweak to use predicate.
2131 (and_operand): Adjust for mask_operand changes.
2132 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2133 (print_operand): Likewise.
2134 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2135 (mask64_1or2_operand): Delete.
2136 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2137 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2138 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2139 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2140 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2141 (rotldi3_internal4): Likewise.
2142 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2143 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2144 (ashldi3_internal7): Likewise.
2145 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2146 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2147 (anddi3 split): Don't match mask64_operand.
2148 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2149 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2150 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2151 't' splitter predicate.
2152 (movdi_internal64 + 2): Revert 2005-06-11 change.
2154 2005-08-31 DJ Delorie <dj@redhat.com>
2156 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2157 (m32c_asm_integer): Add support for 32 bit pointers.
2159 2005-08-31 Richard Henderson <rth@redhat.com>
2161 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2162 component-like references for setting MEM_NOTRAP_P.
2164 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2165 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2167 2005-08-31 Richard Henderson <rth@redhat.com>
2169 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2170 into a pseudo before applying gen_lowpart.
2172 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2174 * doc/install.texi (Specific): Update cctools version required
2175 for full functionality.
2176 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2177 linkers as -macosx_version_min.
2179 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2182 * sh.c (print_operand, %R and %S): Add handling of floating point
2183 registers, memory, constants and invalid operands.
2185 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2187 * ipa-pure-const.c: Change dump name.
2189 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2192 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2193 to "reg_or_0_operand".
2194 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2196 2005-08-31 Dale Johannesen <dalej@apple.com>
2198 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2199 loops that count down.
2201 2005-08-31 Richard Henderson <rth@redhat.com>
2204 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2205 (fixup_eh_region_note): New.
2206 (reload_as_needed): Call it.
2207 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2208 don't call find_many_sub_basic_blocks; call verify_flow_info.
2209 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2210 (keep_stack_depressed): Likewise.
2211 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2213 2005-08-31 Richard Henderson <rth@redhat.com>
2215 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2218 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2220 * expr.c (expand_expr_real_1): Compare size of address
2221 mode to target's address mode size in deciding expansion of
2222 the constant address.
2224 2005-08-31 Richard Guenther <rguenther@suse.de>
2227 * expr.c (all_zeros_p): New function.
2228 (expand_expr_real_1): Handle the case of an all-zero
2229 non-addressable constructor separately.
2231 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2233 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2234 arguments, adjust all callers.
2235 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2237 2005-08-30 Richard Henderson <rth@redhat.com>
2240 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2241 whenever the mode sizes match.
2243 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2245 * calls.c (load_register_parameters): Fix comment typo.
2246 * expr.c (emit_push_insn): Comment formatting.
2248 2005-08-30 Ian Lance Taylor <ian@airs.com>
2250 * config/i386/x-cygwin (host-cygwin): Change dependency from
2251 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2253 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2255 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2258 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2261 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2262 call to ggc_collect.
2264 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2267 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2268 beginning. Remove $(INCLUDES) from all the rules, if following
2269 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2271 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2274 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2275 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2276 not constant, but maxlen is, don't set len to maxlen, rather
2277 set maxlen to len if len is a constant.
2279 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2281 PR tree-optimization/23475
2282 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2285 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2287 Fix PR middle-end/22455
2289 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2290 Checksum only the parts of the tree that exist for the tree code.
2292 2005-08-28 Dale Johannesen <dalej@apple.com>
2294 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2296 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2298 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2300 2005-08-28 Richard Henderson <rth@redhat.com>
2302 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2303 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2306 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2309 * builtins.c (get_memory_rtx): Don't strip nops
2310 in between COMPONENT_REFs.
2312 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2315 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2317 (gimplify_modify_expr): Check for zero sized types and gimplify the
2318 rhs and lhs as statements.
2320 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2323 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2324 state for return address column of signal frames.
2326 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2329 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2330 bytes >= 2 not bytes == 2.
2331 (expand_block_move): Same.
2333 2005-08-27 Richard Guenther <rguenther@suse.de>
2336 * config/i386/sse.md (sse2_movsd): Add missing closing
2339 2005-08-27 Paul Brook <paul@codesourcery.com>
2341 * genrecog.c (enum decision_type): Add DT_num_insns.
2342 (struct decision_test): Add u.num_insns.
2343 (add_to_sequence): Add DT_num_insns test.
2344 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2345 (write_cond, debug_decision_2): Ditto.
2346 (change_state): Assume peep2_next_insn never fails.
2347 Remove "afterward" argument.
2348 (write afterward, write_tree): Update to match.
2349 * recog.c (peep2_current_count): New variable.
2350 (peep2_next_insn): Check it.
2351 (peephole2_optimize): Set peep2_current_count.
2352 * recog.h (peep2_current_count): Declare.
2354 2005-08-26 Josh Conner <jconner@apple.com>
2357 * ipa-pure-const.c (check_tree): Check for volatile-ness
2358 when considering a dereference.
2360 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2362 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2364 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2366 PR rtl-optimization/23561
2367 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2368 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2369 at most LEN bytes long memory fits into the field.
2370 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2371 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2372 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2374 2005-08-26 Richard Henderson <rth@redhat.com>
2377 * loop.c (biased_biv_may_wrap_p): New.
2378 (maybe_eliminate_biv_1): Use it to suppress non-equality
2379 comparison transformations. Delete disabled code.
2381 2005-08-26 Ian Lance Taylor <ian@airs.com>
2383 * combine.c (make_extraction): Avoid reference outside object.
2385 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2387 * stor-layout.c (finalize_type_size): Restore behaviour for
2388 non-aggregate types to the status quo ante of the patch for
2389 pr 23467. Document why it matters.
2391 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2394 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2395 array by one element, initialize the BT_LAST element with NULL.
2397 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2399 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2400 optimizing for size.
2402 (compare_plus_eqsi): Same.
2403 (plus_eqsi_compare): Same.
2404 (neg_eq0<mode>): Same.
2405 (neg_eq<mode>): Same.
2407 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2410 2005-08-26 Nick Clifton <nickc@redhat.com>
2412 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2413 TARGET_EP is not defined.
2414 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2415 TARGET_EP is enabled.
2416 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2417 * config/v850/v850.md (save_all_interrupt): Only use the EP
2418 register if TARGET_EP is defined.
2419 (restore_all_interrupt): Likewise.
2420 * config/v850/lib1funcs.asm: Update functions so that the EP
2421 register is only used if __EP__ is defined.
2423 2005-08-26 David Ung <davidu@mips.com>
2425 * config/mips/mips.c (mips_expand_prologue): Handle case when
2426 generating for MIPS16 and the outgoing argument area is more than
2427 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2430 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2432 * config/crx/crx.md: Make doloop_end pattern usage controllable
2433 via mloop-nesting=<max-nesting> command line switch. Make sure
2434 the combiner cannot use doloop_end_<mode> in an illegal way.
2435 * config/crx/crx.c: Use regs up to r6 for argument passing.
2436 Refine crx_address_cost (non cst4 displacements are expensive).
2437 * config/crx/crx.opt: Add switch for mloop-nesting=.
2439 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2441 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2442 (UNSPEC_MVST): New constant.
2444 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2446 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2447 Reject operands containing eliminable registers.
2448 * testsuite/gcc.dg/20050825-1.c: New testcase.
2450 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2451 Jan Hubicka <jh@suse.cz>
2453 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2455 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2457 PR tree-optimization/23546
2458 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2461 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2463 * params.def (PARAM_MIN_SPEC_PROB): New.
2464 * sched-rgn.c (MIN_PROBABILITY): Delete.
2465 (compute_trg_info): Convert to PARAM_VALUE.
2466 * doc/invoke.texi (param): Document min-spec-prob.
2468 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2470 * config/darwin.h: define __PIC__
2471 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2472 TARGET_OS_CPP_BUILTINS macro.
2474 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2476 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2479 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2481 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2483 * cfghooks.c (duplicate_block): Added position where to place
2484 new block as argument.
2485 * cfghooks.h (duplicate_block): Declaration changed.
2486 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2488 * cfglayout.h (copy_bbs): Declaration changed.
2489 * cfgloop.h (loop_version): Declaration changed.
2490 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2491 position to copy_bbs.
2492 (loop_version): Pass position to duplicate_loop_to_header_edge.
2493 Add place_after argument and position new blocks according to
2495 * modulo-sched.c (sms_schedule): Pass place_after argument
2497 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2498 * tree-cfg.c (split_edge_bb_loc): New function.
2499 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2500 to determine position of new blocks.
2501 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2503 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2504 argument to duplicate_block.
2505 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2506 Pass position to copy_bbs.
2508 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2510 * fold-const.c (ptr_difference_const): Use
2511 cst_and_fits_in_hwi instead of host_integerp.
2513 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2515 * config/darwin.c (gen_pic_offset): New.
2516 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2519 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2521 PR tree-optimization/23486
2522 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2524 2005-08-23 Phil Edwards <phil@codesourcery.com>
2526 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2527 remove use_collect2.
2528 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2530 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2531 configuration files to override the default value.
2533 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2534 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2535 * config/vx-common.h: New file, split out from...
2536 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2537 * config/vxworksae.h: New file, for VxWorks AE.
2538 * config/vxworks.opt: New file.
2539 * config/vxlib.c: Update for VxWorks 6.
2541 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2542 other MULTILIB_* variables appropriately.
2543 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2544 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2545 * config/rs6000/vxworks.h: Update for VxWorks 6.
2546 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2548 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2551 * config/darwin.c (machopic_select_section): Remove the hack to
2552 mark "::operator new" and "::operator delete" for coalescing
2553 even though they are not weak.
2555 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2557 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2558 * configure: Regenerate.
2560 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2563 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2565 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2566 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2569 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2571 * config/rs6000/predicates.md (equality_operator): New.
2572 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2573 comparison with a large constant.
2575 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2577 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2579 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2581 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2582 registers is even, and we have a hardware double precision fp,
2584 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2585 size of current argument when checking if argument was passed in
2588 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2591 * stor-layout.c (finalize_type_size): Dont override
2592 existing alignment with a smaller alignment from the mode.
2594 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2596 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2597 * lambda.h (lambda_vector_lexico_pos): ... here.
2598 * tree-data-ref.c (build_classic_dist_vector): Return false when
2599 the distance vector is lexicographically negative.
2601 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2603 PR tree-optimization/23511
2604 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2605 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2607 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2609 PR tree-optimization/22043
2610 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2611 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2612 If ALLOW_FLEXARR, handle types ending with flexible array member.
2613 Pass false as second argument to recursive count_type_elements calls.
2614 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2615 argument to count_type_elements call.
2616 * tree-sra.c (decide_block_copy): Likewise.
2617 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2618 for a constant-sized object, set cleared as well. Pass true as
2619 second argument to count_type_elements call.
2621 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2624 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2625 from legitimate_small_data_p, and make global. Update use.
2626 Remove forward declaration.
2627 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2629 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2631 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2633 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2634 of scratch intermediates.
2635 (eq<mode>_compare): Same.
2636 (neg_eq0<mode>): New.
2637 (neg_eq<mode>): Convert to define_insn_and_split.
2639 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2642 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2643 stdarg functions, set/clear the fp marker even when no variable
2645 * config/rs6000/sysv4.opt (mprototype): Describe.
2647 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2649 PR rtl-optimization/23478
2650 * regs.h (reg_info): Add throw_calls_crossed.
2651 (REG_N_THROWING_CALLS_CROSSED): Define.
2652 * flow.c (allocate_reg_life_data): Initialize
2653 REG_N_THROWING_CALLS_CROSSED.
2654 (propagate_one_insn, attempt_auto_inc): Update
2655 REG_N_THROWING_CALLS_CROSSED.
2656 * global.c (global_alloc): Don't allocate pseudos across
2657 calls that may throw.
2659 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2662 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2663 value is inbetween the range if we did not find an exact match.
2665 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2667 * doc/invoke.texi (Option Summary): Add ms1 options.
2668 * doc/extend.texi: Document interrupt handler attribute for ms1.
2669 * doc/md.texi: Document ms1 constraints.
2670 * config.gcc: Add ms1-*-elf.
2671 * config/ms1/ms1.h: New.
2672 * config/ms1/ms1.c: New.
2673 * config/ms1/ms1.md: New.
2674 * config/ms1/ms1-protos.h: New.
2675 * config/ms1/ABI.txt: New.
2676 * config/ms1/crti.asm: New.
2677 * config/ms1/crtn.asm: New.
2678 * config/ms1/lib2extra-funcs.c: New.
2679 * config/ms1/t-ms1: New.
2680 * config/ms1/ms1.opt: New.
2682 2005-08-22 Ira Rosen <irar@il.ibm.com>
2684 * config/rs6000/altivec.md (xorv4sf3): New.
2685 (negv4sf2, neg<mode>2): Likewise.
2687 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2690 * config/ia64/ia64.md (divsi3): Check divide by zero.
2691 (udivsi3): Likewise.
2693 (udivdi3): Likewise.
2695 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2697 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2698 up to elem_bitsize bits, not max_bitsize.
2700 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2702 PR tree-optimization/23433
2703 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2704 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2706 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2708 PR tree-optimization/23434
2709 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2710 the iteration bound is not an INTEGER_CST.
2712 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2714 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2715 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2716 NULL if need_epilog_adjust is false.
2717 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2718 Case 3 always peels first itration, not just for PLUS case, and no need
2719 to use scalar_initial_def here. Create an epilog adjustment only if
2720 scalar_initial_def is not NULL.
2722 (vectorizable_reduction): Remove assert.
2724 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2727 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2728 (__moddi3): Likewise.
2729 (__udivdi3): Likewise.
2730 (__umoddi3): Likewise.
2731 (__divsi3): Likewise.
2732 (__modsi3): Likewise.
2733 (__udivsi3): Likewise.
2734 (__umodsi3): Likewise.
2736 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2738 * tree-pass.h (TDF_GRAPH): Define.
2739 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2740 * passes.c (finish_optimization_passes): Only call
2741 finish_graph_dump_file if TDF_GRAPH is set.
2742 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2743 NULL. Set TDF_GRAPH bit.
2744 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2746 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2748 * arm.h (arm_stack_offsets): Add locals_base field.
2749 * arm.c (arm_get_frame_offsets): Compute it.
2750 (thumb_compute_initial_elimination offset): Make the Thumb frame
2751 pointer point to the base of the local variables.
2752 (thumb_expand_prologue): Update accordingly.
2753 (thumb_expand_epilogue): Likewise.
2755 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2756 mode of clobbered scratch to DImode. Handle a case that's known to
2759 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2761 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2762 (gt0<mode>_compare): Delete.
2763 (neg_gt0<mode>): Delete.
2765 2005-08-19 Eric Christopher <echristo@apple.com>
2767 * optabs.h: Change CTI_ to COI_.
2770 2005-08-19 James E Wilson <wilson@specifix.com>
2772 * builtins.c (expand_builtin_return_addr): Set
2773 current_function_accesses_prior_frames when count != 0. Use
2774 frame_pointer_rtx when count == 0.
2775 * function.h (struct function): Add accesses_prior_frames field.
2776 (current_function_accesses_prior_frames): Define.
2777 * reload1.c (init_elim_table): Check
2778 current_function_accesses_prior_frames.
2779 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2781 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2783 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2784 indicator. Return true if the flowgraph changed during
2787 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2790 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2791 conditional expression before testing its value.
2793 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2795 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2797 2005-08-19 Devang Patel <dpatel@apple.com>
2799 PR tree-optimization/23048
2800 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2801 third parameter. Check whether latch is dominated by exit
2803 (if_convertible_loop_p): Supply exit block itself to
2804 if_convertible_bb_p.
2806 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2809 * arm.md (arm_load_pic_register): Change argument to the mask of
2810 saved registers. Call thumb_find_work_register if we need a
2811 scratch register on Thumb.
2812 (arm_expand_prologue): Pass empty register set to
2813 arm_load_pic_register.
2814 (thumb_expand_prologue): Pass live_regs_mask directly to
2815 arm_load_pic_register.
2816 * arm-protos.h (arm_load_pic_register): Update prototype.
2818 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2820 * sh.c (find_sole_member): New function.
2821 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2822 if the record's alignment is larger than the size of its only member.
2824 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2827 * arm.c (thumb_legitimize_reload_address): New function.
2828 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2829 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2831 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
2833 * config/crx/crx.c: Implement crx_decompose_address. Reject
2834 symbolic displacements since CRX register relative adressing
2835 mode can't handle unsigned 32-bit values as displacements.
2836 * config/crx/crx.h: Simplify definitions, remove redundant
2837 parenthesis and obsolete macros.
2838 * config/crx/crx.opt: Add new switch for debugging addresses.
2839 * config/crx/crx-protos.h: Add new declarations for above.
2841 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
2844 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2847 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2849 * collect2.c (dup2): Delete.
2850 * configure.ac: Don't check for dup2.
2852 * config.in, configure: Regenerate.
2854 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
2856 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2857 record with the type of its only member.
2859 2005-08-18 David Edelsohn <edelsohn@gnu.org>
2861 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2862 define_insn_and_split.
2863 (plus_ltu<mode>_compare): Same.
2864 (gtu<mode>_compare): Same.
2865 (plus_gtu<mode>_compare): Same.
2867 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
2869 PR tree-optimization/22228
2870 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2872 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2873 are recorded in vect_vnames_to_rename for renaming.
2874 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2875 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2876 in vect_vnames_to_rename.
2877 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2878 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2880 2005-08-18 Jan Hubicka <jh@suse.cz>
2883 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2884 info only for local statics, not for member variables.
2886 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2888 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2890 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2892 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2894 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
2897 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2899 2005-08-17 James E Wilson <wilson@specifix.com>
2901 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2904 2005-08-17 David Edelsohn <edelsohn@gnu.org>
2906 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2907 (leu<mode>_compare): Same.
2908 (plus_leu<mode>): Same.
2909 (neg_leu<mode>): Same.
2910 (and_neg_leu<mode): Same.
2911 (ltu<mode>_compare): Same.
2912 (plus_ltu<mode>): Same.
2914 (geu<mode>_compare): Same.
2915 (plus_geu<mode>): Same.
2916 (neg_geu<mode>): Same.
2917 (and_neg_geu<mode>): Same.
2918 (plus_gt<mode>): Same.
2919 (gtu<mode>_compare): Same.
2920 (plus_gtu<mode>): Same.
2922 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
2924 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2925 Move call_table_data to end. Delete spurious .text.
2926 (callt_save_all_interrupt): Fix comment typo.
2928 2005-08-17 James E Wilson <wilson@specifix.com>
2929 Kevin Winchester <winchester@amirix.com>
2932 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2934 2005-08-17 Uros Bizjak <uros@kss-loka.si>
2937 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2938 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2940 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
2942 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2943 record with the type of its only member if the modes don't match.
2945 * varasm.c (decode_reg_name): Skip empty additional register names.
2947 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2949 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2950 lsm_tmp_name_length): New.
2951 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2952 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2954 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
2955 Andreas Krebbel <krebbel1@de.ibm.com>
2957 * config.gcc: Added z9-109 switch.
2958 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2959 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2960 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2961 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2962 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2963 for "z9_109" cpu attribute.
2964 * config/s390/s390.c (z9_109_cost): New processor cost structure.
2965 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2966 (s390_handle_arch_option): Added z9-109 switch.
2967 (override_options): Set respective cost function for z9-109.
2968 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2969 (legitimate_reload_constant_p): Accept extended immediates.
2970 (print_operand): Three new output modifiers added: k, m and o.
2971 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2972 (s390_output_mi_thunk): Use extended immediate when possible.
2973 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2974 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2975 (CONSTRAINT_LEN): Added length of O constraint.
2976 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2977 * config/s390/s390.md ("cpu"): New value z9_109 added.
2978 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2979 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2980 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2981 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2982 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2983 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2984 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2985 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2986 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2987 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2988 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2989 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2990 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2991 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2992 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2994 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2995 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2996 insns for TARGET_EXTIMM.
2998 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3000 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3002 2005-08-17 Nick Clifton <nickc@redhat.com>
3004 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3005 Call default_encode_section_info.
3007 2005-08-17 Steven Bosscher <stevenb@suse.de>
3009 PR tree-optimization/21574
3010 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3011 constant, return CONSTANT.
3012 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3013 (ccp_fold, visit_assignment): Likewise.
3014 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3016 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3018 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3019 fold_buildN instead of buildN then fold_initializer or fold.
3020 (build_unary_op): Likewise.
3021 (build_binary_op): Likewise.
3022 * fold-const.c (fold_initializer): Remove.
3023 (fold_build1_initializer): New function.
3024 (fold_build2_initializer): New function.
3025 (fold_build3_initializer): New function.
3026 * tree.h (fold_initializer): Remove.
3027 (fold_build1_initializer): New function.
3028 (fold_build2_initializer): New function.
3029 (fold_build3_initializer): New function.
3031 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3033 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3034 (try_move_mult_to_index): Call fold_build2 instead of build2.
3035 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3036 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3037 fold_binary_to_constant.
3038 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3040 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3041 check if A == gcd (A, B). Remove TYPE argument.
3042 (analyze_offset) Use fold_build2 instead of fold (build.
3043 (create_data_ref): Likewise.
3044 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3045 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3048 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3050 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3051 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3053 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3056 * gimplify.c (zero_sized_type): New function.
3057 (gimplify_modify_expr_rhs): If we have a zero sized type,
3058 replace the statement with an empty statement.
3060 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3062 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3065 2005-08-16 Ian Lance Taylor <ian@airs.com>
3067 * doc/tm.texi (Label Output): Correct typo.
3069 2005-08-16 Steven Bosscher <stevenb@suse.de>
3072 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3073 force_operand will work later on using have_insn_for.
3075 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3077 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3079 2005-08-16 Ian Lance Taylor <ian@airs.com>
3082 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3083 vector type, don't try to construct it element by element. Add an
3084 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3086 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3088 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3090 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3092 * doc/invoke.texi (Precompiled Headers): Document some more options
3093 which are known to be safe.
3095 2005-08-16 James E Wilson <wilson@specifix.com>
3097 PR tree-optimization/21105
3098 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3099 TREE_OVERFLOW check.
3101 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3103 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3104 (neg_ltu<mode>): Same.
3106 (neg_gtu<mode>): Same.
3108 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3110 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3111 (fold_builtin_isdigit): Use fold_buildN.
3112 (build_function_call_expr): Likewise.
3113 * c-typeck.c (c_finish_loop): Likewise.
3115 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3116 Richard Shann <rshann@superh.com>
3118 PR middle-end/20396:
3119 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3121 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3123 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3125 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3128 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3129 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3132 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3135 * fold-const.c (build_range_check): Disable optimization for function
3136 pointer expressions on targets that require function pointer
3139 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3141 * simplify-rtx.c (simplify_const_relational_operation): When
3142 extracting arguments of a COMPARE, recompute the mode as well.
3144 2005-08-15 Ian Lance Taylor <ian@airs.com>
3146 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3148 2005-08-15 DJ Delorie <dj@redhat.com>
3150 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3152 (movsi_splittable): Allow, but split, moves to the stack.
3153 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3156 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3158 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3159 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3160 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3162 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3163 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3164 Delete HOST_PTR_PRINTF.
3166 * configure, config.in: Regenerate.
3168 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3170 * config/rs6000/rs6000.md (QHSI): New mode macro.
3171 (wd): Extend mode attr for QImode and HImode
3172 (dbits): New mode attr.
3173 (zero_extend<mode>di2): Convert to mode macro.
3175 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3178 * doc/invoke.texi (-mgnu-ld): Update description.
3181 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3184 * Makefile.in (tree-chrec.o): Depends on real.h.
3185 * tree-chrec.c: Include real.h.
3186 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3187 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3188 * tree-scalar-evolution.c (add_to_evolution_1,
3189 interpret_rhs_modify_expr): Ditto.
3191 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3194 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3195 step is negative compute the estimation from init downwards to zero.
3197 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3199 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3201 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3203 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3205 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3206 Accept double-word constants that can be split.
3207 * config/s390/s390.md ("movti"): Use 'P' constraint.
3208 ("*movdi_31", "*movdf_31"): Likewise.
3210 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3212 Fix PR tree-optimization/22615
3214 * tree-ssa-structalias.c (solution_set_add): Handle
3215 first_vi_for_offset returning NULL.
3216 (do_da_constraint): Ditto.
3217 (do_sd_constraint): Ditto.
3218 (do_ds_constraint): Ditto
3219 (find_func_aliases): Ditto.
3220 (build_constraint_graph): RHS is allowed be ANYTHING.
3221 (first_vi_for_offset): Return NULL if we couldn't find anything at
3224 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3226 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3227 over memory as first operand.
3229 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3232 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3233 available for setting it.
3235 2005-08-14 Ira Rosen <irar@il.ibm.com>
3237 PR tree-optimization/23320
3238 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3239 data-refs' types instead of base object nullness. Add check for
3240 pointer type data-refs before first location comparison. Remove
3243 2005-08-14 Andreas Schwab <schwab@suse.de>
3245 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3247 2005-08-13 James E Wilson <wilson@specifix.com>
3249 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3250 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3251 -fstack-protector-all, --param ssp-buffer-size): Document.
3252 (-Wvariadic-macros): Alphabetize.
3253 (-fsched-stalled-insns-dep): Add missing 'f'.
3255 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3258 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3260 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3261 or indirect address operand.
3262 (EXTRA_ADDRESS_CONSTRAINT): New.
3263 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3265 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3267 PR tree-optimization/22236
3268 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3269 successors and predecessors.
3270 * tree-chrec.c (chrec_convert): Before converting, check that
3271 sequences don't wrap.
3272 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3273 (analyze_array): Extern.
3274 (find_data_references_in_loop): Remove call to
3275 compute_estimated_nb_iterations.
3276 * tree-data-ref.h (analyze_array): Declared.
3277 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3278 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3279 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3280 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3282 * tree-ssa-loop-ivcanon.c: Fix documentation.
3283 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3284 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3285 (infer_loop_bounds_from_undefined): New.
3286 (estimate_numbers_of_iterations_loop): Use
3287 infer_loop_bounds_from_undefined.
3288 (used_in_pointer_arithmetic_p): New.
3289 (scev_probably_wraps_p): Pass an extra parameter. Call
3290 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3291 (convert_step): Fix documentation.
3292 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3293 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3294 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3295 scev_probably_wraps_p.
3297 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3299 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3300 (s390_register_info): Ignore clobbered_regs information for fixed
3301 registers, and only fixed registers.
3302 (s390_init_frame_layout): Remove redundant call.
3304 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3306 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3307 description of -Wold-style-casts.
3309 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3310 Jakub Jelinek <jakub@redhat.com>
3312 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3313 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3314 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3315 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3316 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3317 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3318 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3319 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3320 ("stack_protect_set", "stack_protect_test"): New expanders.
3321 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3322 "stack_protect_testdi"): New insn definitions.
3324 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3326 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3328 2005-08-12 Paul Brook <paul@codesourcery.com>
3330 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3332 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3334 * config/s390/predicates.md (setmem_operand): New predicate.
3335 (shift_count_operand): Accept ANDs with special constants as
3337 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3338 with special constants.
3339 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3340 shift_count_operand with setmem_operand.
3342 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3344 * config/s390/s390.c (s390_extract_part, s390_single_part):
3346 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3347 (s390_output_mi_thunk): Don't use lg on 31 bit.
3348 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3349 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3351 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3353 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3354 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3355 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3356 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3357 with one of the new macros.
3359 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3361 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3362 Don't set save_return_addr_p.
3363 (s390_register_info): Make clobbered_regs not depending on
3366 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3368 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3369 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3371 2005-08-11 James E. Wilson <wilson@specifix.com>
3373 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3375 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3377 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3378 locations gathered by var-tracking in single entry loc_list
3379 over loc_descriptor_from_tree.
3381 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3382 pass it down to loc_descriptor.
3383 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3384 (containing_function_has_frame_base): Move earlier in the file.
3385 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3386 instead of always assuming fbreg can't be used.
3388 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3390 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3391 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3392 Accept address wrapped in AND for Altivec.
3393 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3394 Strip AND wrapping offset address for Altivec.
3396 2005-08-11 Richard Henderson <rth@redhat.com>
3399 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3400 before using TYPE_IS_SIZETYPE.
3402 2005-08-11 Richard Henderson <rth@redhat.com>
3405 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3406 insn types not present on ev4.
3407 (alphaev5_insn_pipe): Similarly.
3409 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3412 * arm.c (arm_override_options): If the user has selected callee-super-
3413 interworking, then enable normal interworking.
3415 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3417 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3420 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3422 * doc/rtl.texi: Fix two typos.
3424 2005-08-11 Richard Guenther <rguenther@suse.de>
3427 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3428 cases where we call to/from functions returning void.
3430 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3433 * tree.c (build_pointer_type_for_mode): Robustify.
3435 2005-08-10 James E Wilson <wilson@specifix.com>
3437 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3438 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3440 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3443 2005-08-10 Eric Christopher <echristo@apple.com>
3445 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3446 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3449 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3452 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3453 for the high part when generating dynamic-no-pic code.
3455 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3457 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3458 (x86_64-*-linux*): Likewise.
3460 * config/i386/crtfastmath.c: New file.
3461 * config/i386/t-crtfm: Likewise.
3463 * config/i386/linux.h (ENDFILE_SPEC): New.
3464 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3466 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3469 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3471 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3472 (vec_shl, vec_shr): Document new operations.
3473 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3475 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3477 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3478 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3479 change predicate to indexed_or_indirect_address.
3481 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3483 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3484 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3485 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3486 and __aeabi_uwrite8.
3487 * config/arm/unaligned-funcs.c: New file.
3488 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3490 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3492 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3494 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3495 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3497 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3498 * final.c (pass_shorten_branches): Add dump.
3499 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3500 (pass_life): Rename dump.
3501 (rest_of_handle_flow2): Remove initial verify_flow_info.
3502 * function.c (pass_instantiate_virtual_regs): Add dump.
3503 * integrate.c (pass_initial_value_sets): Add dump.
3504 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3505 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3506 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3507 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3508 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3509 gate_rtl_unrool_and_peel_loops): New.
3510 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3511 rtl_doloop): Do not look at flags.
3512 * mode-switching.c (pass_mode_switching): Add dump.
3513 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3514 pass_split_before_regstack): Add dump.
3515 * regmove.c (pass_stack_adjustments): Add dump.
3516 * tree-optimize.c (pass_fixup_cfg): Add dump.
3518 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3521 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3522 deciding which instruction sequence to use.
3524 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3526 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3527 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3529 2005-08-09 Richard Guenther <rguenther@suse.de>
3531 * c-common.c (builtin_function_2): Remove.
3532 (def_builtin_1): New function.
3533 (c_common_nodes_and_builtins): Use def_builtin_1 to
3534 build builtin functions.
3536 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3538 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3539 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3540 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3543 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3545 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3546 fold_binary instead of fold_build2 since we don't care about the
3548 (loop_niter_by_eval): Likewise.
3549 (compare_trees): Likewise.
3550 (proved_non_wrapping_p): Likewise.
3552 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3556 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3557 if the if is really empty.
3559 2005-08-09 Steven Bosscher <stevenb@suse.de>
3561 PR tree-optimization/23234
3562 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3563 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3564 argument of the new enum.
3565 (execute_cse_reciprocals): Add reciprocals for function arguments
3566 on the unique successor edge of the entry block. Update other calls
3567 to execute_cse_reciprocals_1.
3569 2005-08-08 Richard Henderson <rth@redhat.com>
3572 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3574 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3576 * expr.c (write_complex_part): Return after handling MEM.
3578 2005-08-08 Josh Conner <jconner@apple.com>
3580 PR rtl-optimization/23241
3581 * combine.c (simplify_comparison): Fix error in determining
3582 whether to lift a subreg from comparison.
3584 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3587 * config/rs6000/altivec.md (vec_init<mode>): New.
3588 (vec_set<mode>): New.
3589 (vec_extract<mode>): New.
3590 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3591 (rs6000_expand_vector_set): New.
3592 (rs6000_expand_vector_extract): New.
3593 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3594 for Altivec modes before reload.
3595 (altivec_expand_vec_init_builtin): New.
3596 (get_element_number): New.
3597 (altivec_expand_vec_set_builtin): New.
3598 (altivec_expand_vec_ext_builtin): New.
3599 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3601 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3603 * config/rs6000/rs6000.h (rs6000_builtins): Add
3604 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3605 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3606 * config/rs6000/rs6000-protos.h: Declare new functions.
3608 2005-08-08 Jan Hubicka <jh@suse.cz>
3610 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3611 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3612 * i386.md (movdi*): Use pic_32bit_operand.
3613 * predicates.md (pic_32bit_operand): New.
3615 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3618 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3620 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3622 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3623 (test_for_singularity): Use fold_build2.
3625 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3627 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3629 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3631 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3632 (COMMON_ASM_OP) Define.
3633 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3634 (ix86_encode_section_info): Likewise.
3635 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3636 SUBTARGET_ENCODE_SECTION_INFO.
3638 2005-08-06 Richard Henderson <rth@redhat.com>
3641 * tree-nested.c (convert_local_reference): Save and restore val_only
3642 around component_ref and friends. Clear walk_subtrees by default.
3644 2005-08-06 Peter O'Gorman <peter@pogma.com>
3647 * gcc.c (process_command): Check the argument to -b has a dash.
3648 * doc/invoke.texi: Update -b and -V docs.
3650 2005-08-06 James E Wilson <wilson@specifix.com>
3652 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3654 2005-08-06 Michael Matz <matz@suse.de>
3656 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3657 member only if only one insn is associated with the value.
3659 2005-08-06 Nick Clifton <nickc@redhat.com>
3661 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3663 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3664 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3665 Check symbol flags instead of symbol name mangling.
3666 (xstormy16_asm_output_aligned_common): Likewise. Also
3667 simplify code since the bss100_section cass is the only case
3668 where the below100 code will be triggered.
3669 (xstormy16_encode_section_info): Encode below100 attribute
3670 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3672 (xstormy16_strip_name_encoding): Delete - this function is no
3674 (TARGET_STRIP_NAME_ENCODING): Undefine.
3675 * config/stormy16/stormy16-protos.h: Delete prototype for
3676 xstormy16_strip_name_encoding.
3678 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3680 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3681 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3682 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3683 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3684 config/alpha/predicates.md, config/arc/arc.h,
3685 config/arm/arm.h, config/arm/ieee754-df.S,
3686 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3687 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3688 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3689 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3690 config/m68hc11/m68hc11.h, config/mips/mips.c,
3691 config/mips/mips.h, config/mips/openbsd.h,
3692 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3693 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3694 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3695 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3696 config/sparc/linux.h, config/sparc/linux64.h,
3697 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3698 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3699 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3700 typos. Follow spelling conventions.
3702 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3705 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3706 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3707 specially. Check for side effects only for COND_EXPR.
3708 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3709 return with TREE_NO_WARNING.
3711 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3713 PR rtl-optimization/23233
3714 * loop.c (combine_movables): Require the modes to be the same.
3715 (move_movables): Remove handling of cases where the replacement
3716 had a different mode to the original.
3718 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3720 PR tree-optimization/23128
3721 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3722 subtraction wrap, and set TREE_OVERFLOW if they do.
3724 2005-08-05 Richard Henderson <rth@redhat.com>
3727 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3728 FORCED_LABEL labels.
3730 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3733 * reload.c (find_reloads_subreg_address): Pass down TYPE
3734 unchanged. Change all callers except find_reloads_toplev.
3736 2005-08-05 Michael Matz <matz@suse.de>
3738 * genattrtab.c (current_alternative_string): Remove.
3739 (SIMPLIFY_ALTERNATIVE): Ditto.
3740 (attr_alt_bit_p): Ditto.
3741 (alternative_name): Make const char *.
3742 (evaluate_eq_attr): Remove use of above things.
3743 (simplify_test_exp): Ditto.
3744 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3745 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3747 2005-08-04 James E Wilson <wilson@specifix.com>
3749 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3750 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3751 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3752 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3753 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3755 2005-08-04 Richard Henderson <rth@redhat.com>
3758 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3759 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3760 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3761 if we'd have to instantiate too many members.
3763 2005-08-04 Richard Henderson <rth@redhat.com>
3766 * tree-outof-ssa.c (coalesce_asm_operands): New.
3767 (coalesce_ssa_name): Use it. Split out ...
3768 (coalesce_phi_operands, coalesce_result_decls): ... these.
3770 2005-08-04 Paul Brook <paul@codesourcery.com>
3772 * read-rtl.c (read_quoted_string): Break if EOF.
3774 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3776 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3777 (fold_build2): Likewise.
3778 (fold_build3): Likewise.
3779 (fold_build1_stat): New function prototype.
3780 (fold_build2_stat): Likewise.
3781 (fold_build3_stat): Likewise.
3782 * fold-const.c (fold_build1): Rename to ..
3783 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3784 through to build1_stat.
3785 (fold_build2): Rename to ..
3786 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3787 through to build2_stat.
3788 (fold_build3): Rename to ..
3789 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3790 through to build3_stat.
3792 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3793 Ian Lance Taylor <ian@airs.com>
3795 * function.c (assign_stack_local_1): Do not correct stack slot
3796 address if allocation size is smaller than mode size.
3798 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3801 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3802 (tree_merge_blocks): Propagate anything allowed by
3804 Clarify documentation.
3805 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3806 SSA form, schedule an update if necessary.
3808 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3810 * doc/install.texi (Binaries): Remove broken link to
3811 Sinix/Reliant Unix binaries.
3813 2005-08-03 Richard Henderson <rth@redhat.com>
3816 * function.c (stack_protect_epilogue): Export.
3817 * tree.h (stack_protect_epilogue): Declare.
3818 * calls.c (expand_call): Call it.
3820 2005-08-03 Eric Christopher <echristo@apple.com>
3822 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3823 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3826 2005-08-04 Jan Hubicka <jh@suse.cz>
3828 * profile.c (branch_prob): Split edges with goto locus on them
3829 to get proper line counts.
3830 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3832 2005-08-03 Paul Brook <paul@codesourcery.com>
3834 * function.c (assign_parms): Round current_function_args_size
3835 to PARM_BOUNDARY, not STACK_BOUNDARY.
3837 2005-08-03 Geoffrey Keating <geoffk@apple.com>
3839 * config/i386/i386.c (x86_elf_aligned_common)
3840 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
3842 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
3844 PR tree-optimization/23157
3845 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3846 before emitting them.
3848 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3850 PR tree-optimization/19899
3851 * Makefile.in (tree-scalar-evolution.o): Add real.h.
3852 * tree-scalar-evolution.c: Include real.h.
3853 (add_to_evolution): Build constant -1 of correct type.
3855 2005-08-03 Jan Hubicka <jh@suse.cz>
3857 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3858 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3859 profile updating for complette unrolling.
3860 * loop-unroll.c (peel_loop_completely): Use it.
3861 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3862 (tree_unroll_loops_completely): Disable code growing unrolling of cold
3865 2005-08-03 Paul Brook <paul@codesourcery.com>
3867 * combine.c (can_change_dest_mode): New function.
3868 (try_combine, simplify_set): Use it.
3870 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
3872 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3875 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
3877 * doc/install.texi (Specific): Adjust link to openavr.org.
3878 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3879 (Binaries): Adjust HP-UX Porting Center link.
3880 (Binaries): Adjust Free Software Foundation ordering link.
3882 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
3884 * convert.c (convert_to_integer): Use fold_build1 instead of
3885 build1 when converting an integer to an integer.
3887 2005-08-02 Richard Henderson <rth@redhat.com>
3889 * combine.c (combine_instructions): Don't use reg_equal/equiv
3890 results if the mode doesn't match.
3892 2005-08-02 Mark Mitchell <mark@codesourcery.com>
3894 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3895 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3897 2005-08-02 Richard Henderson <rth@redhat.com>
3900 * explow.c (memory_address): Remove special-case for
3901 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3903 2005-08-02 Diego Novillo <dnovillo@redhat.com>
3906 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3907 number of calls to cleanup_tree_cfg_1.
3909 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
3911 * doc/invoke.texi: document file extensions .F90 and .F95
3913 2005-08-02 Richard Guenther <rguenther@suse.de>
3915 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3916 positive if its first argument is positive.
3918 2005-08-02 Richard Guenther <rguenther@suse.de>
3920 PR tree-optimization/23177
3921 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3924 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
3926 PR tree-optimization/23129
3927 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3928 varying for divisions with anti-ranges.
3930 2005-08-02 Jan Hubicka <jh@suse.cz>
3932 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3933 * tree-ssa-threadupdate.c (thread_block): Add it here.
3935 2005-08-01 James E Wilson <wilson@specifix.com>
3937 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3938 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3939 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3941 * config/mips/predicates.md (const_call_insn_operand): Add check for
3942 SYMBOL_REF_LONG_CALL_P.
3943 * doc/extend.texi (long_call): Document the new attribute.
3945 2005-08-01 Ian Lance Taylor <ian@airs.com>
3946 Richard Henderson <rth@redhat.com>
3948 * Makefile.in (RTL_BASE_H): Add real.h.
3949 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3951 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3953 * rtl.c (rtl_check_failed_code_mode): New.
3954 * rtl.h (struct rtx_def): Add u.rv.
3955 (XCMWINT, XCNMPRV): New.
3956 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3957 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3959 2005-08-01 Richard Henderson <rth@redhat.com>
3961 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3962 with auto-inc codes.
3964 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3966 2005-08-01 Jan Hubicka <jh@suse.cz>
3968 * i386-protos.h (asm_preferred_eh_data_format): Declare.
3969 * i386.c: Include dwarf2.h
3970 (asm_preferred_eh_data_format): New.
3971 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3973 2005-08-01 Ian Lance Taylor <ian@airs.com>
3975 * config/host-linux.c (linux_gt_pch_get_address): Add new name
3976 randomize_va_space for virtual address randomization control.
3978 2005-08-01 Steven Bosscher <stevenb@suse.de>
3980 * common.opt (flag_ipa_cp): Put in right place to maintain
3983 2005-08-01 Jan Hubicka <jh@suse.cz>
3985 * profile.c (compute_value_histograms): Fix thinko.
3986 * value-prof.c: Include toplev.h
3987 (check_counter): New function.
3988 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3989 tree_mod_subtract_transform): Add sanity check.
3991 2005-08-01 Richard Guenther <rguenther@suse.de>
3993 PR tree-optimization/23133
3994 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3995 current functions parameter decls to find defs to cse
3998 2005-08-01 Richard Guenther <rguenther@suse.de>
4000 PR tree-optimization/23109
4001 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4002 If trapping math is in effect, use post-dominator information
4003 to check if we'd in any case reach a trapping point before
4004 doing the reciprocal insertion.
4005 (execute_cse_reciprocals): Compute post-dominators, if necessary.
4006 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4007 expressions are invariant only if trapping math is not in effect.
4009 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4011 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4012 cgraph_function_versioning): New declarations.
4013 * cgraphunit.c: Add include to ipa-prop.h.
4014 (update_call_expr, cgraph_copy_node_for_versioning,
4015 cgraph_function_versioning): New functions.
4016 * integrate.c (copy_decl_for_inlining): Remove.
4017 * ipa-prop.h (ipa_replace_map): New struct.
4018 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4019 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4020 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4021 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4022 ipcp_iterate_stage, ipcp_method_scale_print,
4023 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4024 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4025 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4026 ipcp_update_bb_counts, ipcp_update_profiling,
4027 ipcp_update_edges_counts): New functions.
4028 (ipcp_method_cval_init): Remove restriction regarding local methods.
4029 (ipcp_init_stage): Add ipcp_method_compute_scale.
4030 (ipcp_insert_stage): Add versioning.
4031 (ipcp_structures_print): Add ipcp_method_scale_print.
4032 (ipcp_driver): Dump profiling info.
4033 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4034 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4035 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4036 (struct inline_data): Add versioning_p, ipa_info, new fields.
4037 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4038 declare_return_variable): Replace calls to copy_decl_for_inlining with
4040 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4042 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4043 Add argument VERSIONING.
4044 (copy_arguments_for_versioning, copy_static_chain,
4045 function_versionable_p, tree_versionable_function_p,
4046 tree_function_versioning, replace_ref_tree): New functions.
4047 * tree-inline.h: Include varray.h.
4048 (tree_versionable_function_p, tree_function_versioning,
4049 tree copy_decl_for_dup): New declarations.
4051 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4053 * ipa-cp.c: New file. Contains IPCP specific functionality.
4054 * ipa-prop.h: New file. Contains structures/definitions that can be
4055 used by several interprocedural data flow optimizations (and also IPCP).
4056 * ipa-prop.c: New file.
4057 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4058 * common.opt: Add ipa-cp flag.
4059 * timevar.def: Add IPCP optimization.
4060 * tree-optimize.c (init_tree_optimization_passes): Schedule
4062 * tree-pass.h (pass_ipa_cp): Declare.
4064 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
4066 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4067 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4068 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4069 config/i386/i386.c, config/mips/mips.h,
4070 config/rs6000/rs6000.h, config/sh/sh.c,
4071 config/stormy16/stormy16.c: Fix comment typos.
4073 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
4076 * c-typeck.c (build_binary_op): Use common_type wrapper on
4078 (common_type): Update comment.
4080 2005-07-31 Steven Bosscher <stevenb@suse.de>
4083 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4084 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4085 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4087 2005-07-31 Jan Hubicka <jh@suse.cz>
4089 * pretty-print.h (pp_widest_integer): New macro.
4090 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4093 2005-07-31 Jan Hubicka <jh@suse.cz>
4095 * output.h (enum section_category): Export from varasm.c
4096 (categorize_decl_for_section): Likewise.
4097 * varasm.c (enum section_category): Kill.
4098 (categorize_decl_for_section): Make global.
4099 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4101 * i386.c (ix86_section_threshold): New static variable.
4102 (ix86_in_large_data_p, ix86_encode_section_info,
4103 x86_64_elf_unique_section,
4104 x86_64_elf_select_section): New functions.
4105 (TARGET_ENCODE_SECTION_INFO): Define
4106 (override_options): Enable medium model for PIC.
4107 (ix86_expand_prologue): Expand gen_set_got_rex64.
4108 (legitimate_constant_p): Handle new UNSPECs.
4109 (legitimate_pic_address_disp_p): Likewise.
4110 (legitimize_pic_address): Lower MEDIUM model addressing.
4111 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4112 (enum cmodel): Add MEDIUM_PIC.
4113 (SYMBOL_REF_FAR_ADDR_P): New macro.
4114 (SYMBOL_FLAG_FAR_ADDR): New flag.
4115 * i386.md (movdi): Support medium model.
4116 (set_got_rex64): New pattern.
4117 * i386.opt (mlarge-data-threshold): New flag.
4118 * predicates.md (zext_operand/sext_operand): Deal with medium model.
4119 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4120 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4121 TARGET_ASM_UNIQUE_SECTION): New.
4123 * invoke.texi (-mlarge_data_threshold): Document
4125 2005-07-31 Jan Hubicka <jh@suse.cz>
4127 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4128 (coalesce_vars): Likewise.
4129 * tree-ssa-live.c (coalesce_cost): New.
4130 (build_tree_conflict_graph): Use coalesce_cost.
4131 * tree-ssa-live.h (coalesce_cost): Declare.
4133 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
4135 * arm.md (all peepholes for post-increment operations): Delete.
4136 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4137 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4138 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4139 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4140 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4142 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
4144 * fold-const.c (tree_expr_nonnegative_p): Always return true for
4147 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
4150 * doc/invoke.texi: Document -rdynamic.
4152 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
4155 * c-parser.c (c_parser_parms_list_declarator): Call
4156 mark_forward_parm_decls.
4157 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4158 decls with visibility structure.
4160 2005-07-30 Paul Brook <paul@codesourcery.com>
4162 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4164 2005-07-30 Paul Brook <paul@codesourcery.com>
4166 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4168 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4170 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4172 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4175 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4176 nested function declarators.
4177 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4178 (grokparms): Call warn_if_shadowing for parameters used within the
4180 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4181 not used within the parameter list.
4182 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4184 2005-07-30 Jan Hubicka <jh@suse.cz>
4186 * expr.c (expand_expr_real_1): Do not load mem targets into register.
4187 * i386.c (ix86_fixup_binary_operands): Likewise.
4188 (ix86_expand_unary_operator): Likewise.
4189 (ix86_expand_fp_absneg_operator): Likewise.
4190 * optabs.c (expand_vec_cond_expr): Validate dest.
4192 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4195 * real.c (real_from_string): Also set last bit if there is a
4196 nonzero hex digit beyond GCC's internal precision after ".".
4198 2005-07-29 David Edelsohn <edelsohn@gnu.org>
4200 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4201 define_constants. Change duplicate values to unassigned numbers.
4202 Change UNSPEC_SUBS to UNSPEC_VSUBS.
4203 (*altivec_vspltsf): New.
4204 (altivec_vperm_v4sf): Delete.
4205 (altivec_vperm_<mode>): Use mode macro V.
4206 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4207 (altivec_predicate_v4sf): Delete.
4208 (altivec_predicate_<mode>): Use mode macro V.
4209 (*altivec_lvesfx): New.
4210 (*altivec_stvesfx): New.
4211 (vec_realign_load_v4sf): Delete.
4212 (vec_realign_load_<mode>): Use mode macro V.
4213 * config/rs6000/rs6000.c (generate_set_vrsave): Use
4216 2005-07-29 Mark Mitchell <mark@codesourcery.com>
4219 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4221 * configure: Regenerated.
4223 2005-07-29 Paul Brook <paul@codesourcery.com>
4225 * doc/install.texi: Add link to GFortran binaries wiki page.
4227 2005-07-29 David Ung <davidu@mips.com>
4229 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4230 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4231 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4232 * config/mips/mips.md (cpu): Add 5kf name.
4233 (includes): Includes 5k.md.
4234 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4235 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4238 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4241 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4242 (cleanup_tree_cfg): ... here.
4243 Call cleanup_tree_cfg_1 until there are no more cleanups to
4246 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4248 * tree-vrp.c (compare_range_with_value): Return true or false
4249 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4250 EQ_EXPR respectively.
4252 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4254 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4257 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4259 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4260 (tree_ssa_dominator_optimize): Increment it.
4261 (dump_dominator_optimization_stats): Print it.
4263 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
4264 Steven Bosscher <stevenb@suse.de>
4266 PR rtl-optimization/23117
4267 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4268 when head == tail. Tidy comment.
4270 2005-07-28 Richard Henderson <rth@redhat.com>
4272 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4273 * cselib.c (rtx_equal_for_cselib_p): Likewise.
4274 * jump.c (rtx_renumbered_equal_p): Likewise.
4275 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4276 CONST_INT and CONST_DOUBLE.
4277 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4278 * reload.c (operands_match_p): Special case CONST_INT and
4279 CONST_DOUBLE; check mode earlier.
4281 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4284 * c-typeck.c (convert_for_assignment): Do not check
4285 DECL_IN_SYSTEM_HEADER on NULL fundecl.
4287 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4290 * c-typeck.c (composite_type): Prefer constant size arrays to
4293 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4296 * real.c (real_from_string): Set last bit if there is a nonzero
4297 hex digit beyond GCC's internal precision.
4299 2005-07-28 Richard Henderson <rth@redhat.com>
4302 * cfgcleanup.c (try_forward_edges): Watch out for end of
4305 2005-07-28 James E Wilson <wilson@specifixinc.com>
4308 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4310 2005-07-28 Jan Hubicka <jh@suse.cz>
4312 * Makefile.in (rtl-profile.o): Kill all traces of it.
4313 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4314 * coverage.h (rtl_coverage_counter_ref): Kill.
4315 * opts.c (flag_speculative_prefetching_set): Kill.
4316 (flag_loop_optimize_set): New.
4317 (common_handle_option): Disable loop optimizer when profiling;
4318 do not handle speculative prefetching.
4319 * passes.c (init_optimization_passes): Replace pass_profiling combo
4320 by branch_prob pass.
4321 * profile.c (compute_value_histograms): Update for simplified value
4323 (rtl_register_profile_hooks): Kill.
4324 (pass_profiling): Kill.
4325 (rest_of_handle_branch_prob): Do not profile.
4326 * toplev.c (process_options): Remove speculative prefetching.
4327 * toplev.h (flag_tree_based_profiling): Kill.
4328 * tree-profile.c (prepare_instrumented_value,
4329 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4330 tree_gen_one_value_profiler, do_tree_profiling): Update for
4331 simplified datastructures.
4332 * value-prof.c: Add comment that speculative prefetching was dropped;
4333 update rest of file for simplified datastructures.
4334 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4335 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4336 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4337 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4338 rtl_mod_subtract, gen_speculative_prefetch,
4339 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4340 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4341 (gate_handle_value_profile_transformations,
4342 rest_of_handle_value_profile_transformations,
4343 pass_value_profile_transformations): Kill.
4344 * value-prof.h (histogram_value_t): Remove IL based unions.
4345 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4346 rtl_profile_hooks): Remove hooks.
4348 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4350 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4351 (cgraph_clone_node): Likewise.
4352 * cgraph.h (cgraph_clone_edge): Update prototype.
4353 (cgraph_clone_node): Likewise.
4354 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4356 (lookup_recursive_calls): Consider profile.
4357 (cgraph_decide_recursive_inlining): Fix updating; use new
4358 probability argument; use profile.
4359 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4360 * tree-inline.c (copy_bb): Update clal of clone_edge.
4361 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4363 * invoke.texi (min-inline-recursive-probability): Document.
4365 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4367 * doc/install.texi (Configuration): Update Valgrind homepage.
4369 2005-07-28 Richard Henderson <rth@redhat.com>
4372 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4373 labels we want to delete.
4374 (cfg_layout_merge_blocks): Likewise.
4376 2005-07-28 Richard Henderson <rth@redhat.com>
4379 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4380 when expanding to nothing.
4382 2005-07-28 Josh Conner <jconner@apple.com>
4384 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4385 (cgraph_decide_inlining_of_small_functions): Likewise.
4387 2005-07-28 Josh Conner <jconner@apple.com>
4389 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4390 direction of badness if negative.
4391 (cgraph_default_inline_p): Add reason to parameters, and assign it
4393 (cgraph_decide_inlining_of_small_functions): New parameter in call
4394 to cgraph_default_inline_p.
4395 (cgraph_decide_inlining_incrementally): Likewise.
4396 * cgraphunit.c (decide_is_function_needed): Likewise.
4397 * cgraph.h (cgraph_default_inline_p): Likewise.
4399 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4401 * builtins.c: Fix comment typo(s).
4402 * genautomata.c: Likewise.
4403 * gimplify.c: Likewise.
4404 * tree-dfa.c: Likewise.
4405 * tree-flow-inline.h: Likewise.
4406 * tree-into-ssa.c: Likewise.
4407 * tree-ssa-alias.c: Likewise.
4408 * tree-ssa-ccp.c: Likewise.
4409 * tree-ssa-copy.c: Likewise.
4410 * tree-ssa-dce.c: Likewise.
4411 * tree-ssa-dom.c: Likewise.
4412 * tree-ssa-operands.c: Likewise.
4413 * tree-tailcall.c: Likewise.
4414 * tree-vectorizer.c: Likewise.
4415 * tree-vrp.c: Likewise.
4418 2005-07-28 Jeff Law <law@redhat.com>
4420 * tree-vrp.c (test_for_singularity): Extracted from ...
4421 (simplify_cond_using_ranges): Attempt to simplify a relational
4422 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4424 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4426 PR tree-optimization/22506
4427 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4428 phis whose argument is constant.
4430 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4432 PR rtl-optimization/18992
4433 Back out this patch:
4434 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4435 PR optimization/12142
4436 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4437 uses of the register in the SET_SRC. Remove unnecessary argument.
4439 Replace it with this:
4440 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4441 if flag_non_call_exceptions is set and the insn may trap, pass
4442 pc_rtx as dest for recursion.
4443 In SET_SRC part of SET case, if dest is already set, pass it down
4446 2005-07-28 Jan Hubicka <jh@suse.cz>
4448 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4449 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4450 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4452 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4453 profile when available.
4455 2005-07-28 Jan Beulich <jbeulich@novell.com>
4457 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4458 (ia64_print_operand): Describe and handle 'X'.
4459 (ia64_register_move_cost): Also handle FP_REGS.
4460 (ia64_preferred_reload_class): Likewise.
4461 (ia64_secondary_reload_class): Likewise.
4462 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4463 it. Also check for ITANIUM_CLASS_FLDP.
4464 * config/ia64/ia64.h (FP_REGNO_P): New.
4465 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4466 (reg_class): Add FP_REGS.
4467 (REG_CLASS_NAMES): Adjust for it.
4468 (REG_CLASS_CONTENTS): Likewise.
4469 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4470 (REG_CLASS_FROM_LETTER): Handle 'x'.
4471 (CLASS_MAX_NREGS): Handle FP_REGS.
4472 (MEMORY_MOVE_COST): Likewise.
4473 * config/ia64/ia64.md (itanium_class): Add fldp.
4474 (type): Handle fldp.
4475 (movti_internal): More allowable operand combinations. Use ldfp8 when
4476 splitting unnecessary. Remove predicable attribute. Adjust
4477 itanium_class attribute.
4478 (smuldi3_highpart): Remove outdated comment.
4479 (mulditi3, umulditi3, rotlti3): New expanders.
4480 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4481 (absti2): Disabled new insn for future reference.
4482 Respective new splitters.
4483 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4484 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4485 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4487 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4489 PR rtl-optimization/23047
4490 * simplify-rtx.c (simplify_const_relational_operation): Respect
4491 flag_wrapv for comparisons with ABS.
4493 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4495 PR tree-optimization/22493
4496 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4497 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4499 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4501 * config/frv/frv.opt (moptimize-membar): New.
4503 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4505 * config/frv/frv.h: Remove machine_function definition.
4507 * config/frv/frv.c (struct frv_io): New.
4508 (struct machine_function): Moved from frv.h. Add has_membar_p.
4509 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4510 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4511 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4512 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4513 (frv_reorg): Call frv_optimize_membar when appropriate.
4514 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4515 (frv_expand_builtin): Adjust calls accordingly.
4516 (frv_io_address_cookie): New function.
4517 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4518 load or store rather than a special insn. Add ccnstant address and
4519 io-type operands to the membar.
4520 (frv_ifcvt_modify_tests): Unsign regno.
4521 (frv_ifcvt_modify_tests): Same.
4523 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4524 UNSPEC_OPTIONAL_MEMBAR constant.
4525 (builtin_read_<mode>): Delete.
4526 (builtin_write_<mode>): Delete.
4527 ("optional_membar_<mode>"): Add operand.
4529 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4530 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4531 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4532 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4533 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4534 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4535 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4536 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4537 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4539 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4541 * df.c (df_uses_record): Handle SCRATCH.
4543 2005-07-28 Steven Bosscher <stevenb@suse.de>
4546 * passes.c (rest_of_decl_compilation): If decl is a type and
4547 we have encountered errors, don't emit debug information.
4549 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4551 * params.def: Fixed comment.
4553 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4556 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4557 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4558 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4560 2005-07-27 Steven Bosscher <stevenb@suse.de>
4563 * varasm.c (assemble_start_function): Don't do anything that may
4564 require a CFG if the current function is a thunk.
4566 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4568 * doc/install.texi (Prerequisites): Mention that perl is needed
4569 to do export control in libstdc++ targetting Darwin.
4571 2005-07-27 Steven Bosscher <stevenb@suse.de>
4573 PR rtl-optimization/17808
4574 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4575 (sched_insns_conditions_mutex_p): Split out from...
4576 (add_dependence): ...here. But don't call it from here.
4577 (add_dependence_list): Check sched_insns_conditions_mutex_p
4578 before calling add_dependence.
4579 (add_dependence_list_and_free): Likewise.
4580 (fixup_sched_groups): Likewise.
4581 (sched_analyze_1): Likewise.
4582 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4583 (sched_analyze): Likewise.
4584 (sched_analyze_insn): Likewise.
4585 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4586 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4587 dependencies on all COND_EXEC insns to jumps ending basic blocks
4588 when doing intrablock scheduling.
4589 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4591 2005-07-27 Jeff Law <law@redhat.com>
4593 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4594 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4595 equivalency sets, correctly handle the case were vr0 has an
4596 equivalency set, but vr1 does not.
4598 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4600 PR tree-optimization/23073
4601 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4602 vect_print_dump_info before fprintf.
4604 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4606 PR tree-optimize/22348
4607 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4608 Fold the partial computation.
4610 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4612 PR tree-optimization/22325
4613 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4615 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4617 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4618 (force_var_cost): ... this function.
4619 (compute_phi_arg_on_exit): Export.
4621 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4623 PR tree-optimization/20773
4624 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4627 2005-07-27 Richard Guenther <rguenther@suse.de>
4629 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4630 Avoid pushing again if current struct contains only
4631 fields we decomposed.
4633 2005-07-27 Jan Hubicka <jh@suse.cz>
4635 PR tree-optimization/22574
4636 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4639 * tree-tailcall.c (decrease_profile): New function.
4640 (eliminate_tail_call): Use it.
4642 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4643 visibility flags correctly in whole program mode.
4645 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4647 PR rtl-optimization/22472
4648 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4650 2005-07-26 Steven Bosscher <stevenb@suse.de>
4652 PR tree-optimization/22504
4653 * tree-complex.c (expand_complex_addition): Use 'code' instead
4654 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4656 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4658 * config.gcc (cpu_type): Add frv case.
4659 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4660 (supported_defaults): Add fr550 case.
4662 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4665 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4666 whether a pointer of type T * may point to objects of type T *.
4668 2005-07-26 DJ Delorie <dj@redhat.com>
4670 * configure: Regenerate.
4672 2005-07-26 Dale Johannesen <dalej@apple.com>
4674 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4676 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4678 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4679 Clarify use of "build" in name.
4681 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4683 * doc/extend.texi (Raw read/write Functions): New section.
4684 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4685 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4686 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4687 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4688 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4689 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4690 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4691 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4692 * config/frv/frv.c: Add bdesc_loads global.
4693 Add bdesc_stores global.
4694 (frv_init_builtins): Add support for __builtin_{read/write}*.
4695 (frv_volatile_memref): New.
4696 (frv_expand_load_builtin): New.
4697 (frv_expand_store_builtin): New.
4698 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4699 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4700 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4701 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4702 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4703 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4704 (builtin_read_<mode>): New.
4705 (builtin_write_<mode>): New.
4706 (builtin_write64): New.
4707 (optional_membar_<mode>): New.
4709 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4711 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4712 (rather than units) against HOST_BITS_PER_WIDE_INT.
4714 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4716 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4717 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4718 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4719 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4722 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4723 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4724 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4726 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4728 2005-07-26 Richard Guenther <rguenther@suse.de>
4730 PR tree-optimization/22486
4731 * fold-const.c (fold_unary): Fold away useless component
4732 references of the form (T *)&T.x, if the address
4735 2005-07-25 James E Wilson <wilson@specifixinc.com>
4737 * dwarf2out.c (add_call_src_coords_attributes): New.
4738 (gen_inlined_subroutine_die): Call it.
4739 (maybe_emit_file, init_file_table): Add comments.
4740 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4742 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4743 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4744 * tree.h (BLOCK_SOURCE_LOCATION): New.
4745 (struct tree_block): New field locus.
4747 2005-07-26 Andreas Schwab <schwab@suse.de>
4749 PR rtl-optimization/23043
4750 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4751 when allocating a struct unoccr.
4753 2005-07-25 Richard Henderson <rth@redhat.com>
4756 * tree-complex.c (gate_no_optimization): True if errors.
4757 * Makefile.in (tree-complex.o): Update dependencies.
4759 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4761 * config/frv/predicates.md (integer_register_operand): Use
4764 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4767 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4769 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4771 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4773 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4774 types when flag_unsafe_math_optimizations is true.
4776 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4778 * gcc.c (option_map): Add --sysroot.
4779 (process_command): Handle --sysroot.
4780 (display_help): Document it.
4781 * doc/cppopts.tex (-isysroot): Document.
4782 * doc/invoke.texi (--sysroot): Document.
4783 * doc/install.texi (--with-build-sysroot): Document.
4785 * Makefile.in (inhibit_libc): New variable.
4786 (INHIBIT_LIBC_CFLAGS): Likewise.
4787 (LIBGCC2_CFLAGS): Include
4788 $(INHIBIT_LIBC_CFLAGS).
4789 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4790 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4791 ($(T)crtend.o): Likewise.
4792 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4793 ($(T)crtendS.o): Likewise.
4794 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4795 ($(T)crtendT.o): Likewise.
4796 (stmp-fixinc): Do not complain about missing headers if
4798 * configure.ac (inhibit_libc): Set it to true/false.
4799 (--with-build-sysroot): New option. Use it to set
4801 * configure: Regenerated.
4803 2005-07-25 Manfred Hollstein <mh@suse.com>
4805 * calls.c (store_one_arg): Fix unsigned comparison warning.
4807 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4810 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4811 (ggc_print_statistics): Initialize variable before use.
4813 2005-07-25 Richard Guenther <rguenther@suse.de>
4815 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4816 calling with a PHI_NODE argument.
4818 * tree-flow-inline.h (overlap_subvar): Protect against
4821 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4823 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4824 * configure: Regenerate.
4826 2005-07-25 Ira Rosen <irar@il.ibm.com>
4828 * expr.c (highest_pow2_factor): Make extern.
4829 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4830 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4831 record_array_differ_p, array_ptr_differ_p): Likewise.
4832 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
4833 additional cases. Call the above functions.
4834 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
4835 base_object_differ_p when there are two base objects. Otherwise, compare
4836 base address and offset. Call may_alias_p.
4837 (dump_data_reference): Use a correct field name.
4838 (analyze_array): Make static. Initialize new data-ref fields.
4839 (analyze_indirect_ref): New function.
4840 (init_data_ref): Initialize new data-ref fields.
4841 (strip_conversion): Moved from tree-vect-analyze.c.
4842 (analyze_offset_expr, get_ptr_offset, address_analysis,
4843 object_analysis): Likewise.
4844 (analyze_offset): New function.
4845 (create_data_ref): Likewise.
4846 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4847 dimensions for ARRAY_REFs only.
4848 (build_classic_dist_vector): Make static.
4849 (access_functions_are_affine_or_constant_p): Call macro to get the
4850 address of access functions.
4851 (compute_all_dependences): Add new parameter
4852 compute_self_and_read_read_dependences. Compute self and read-read
4853 dependences if it is true.
4854 (find_data_references_in_loop): Call create_data_ref. Initialize new
4856 (compute_data_dependences_for_loop): Add new parameter
4857 compute_self_and_read_read_dependences. Remove parameter nb_loops,
4858 compute nb_loops. Call compute_all_dependences,
4859 build_classic_dist_vector and build_classic_dir_vector with correct
4861 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4862 with correct parameters. Compare dimensions for ARRAY_REFs only.
4863 (free_data_refs): Call macro to free access functions.
4864 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4865 fields from stmt_vinfo.
4866 (struct base_object_info): New structure.
4867 (struct data_reference): Move fields to base_object_info. Add fields
4868 first_location and object_info for above structures. Move fields from
4869 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4870 aligned_to. Add macros to access the new fields.
4871 Update functions declarations.
4872 * tree-flow.h (is_aliased_with): Declare.
4873 * tree-loop-linear.c (linear_transform_loops): Call
4874 compute_data_dependences_for_loop with correct parameters.
4875 * tree-ssa-alias.c (is_aliased_with): New function.
4876 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4877 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4878 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4879 vect_base_addr_differ_p, compute_subscript_distance and
4880 build_classic_dist_vector. Add printings. Check absolute value of
4882 (vect_analyze_data_ref_dependences): Go through ddrs instead of
4884 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4885 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4886 to bytes. Add printing.
4887 (vect_compute_data_refs_alignment): Go through loads and stores in one
4889 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4890 vect_analyze_data_ref_access): Likewise.
4891 (vect_analyze_pointer_ref_access): Remove.
4892 (vect_address_analysis, vect_object_analysis): Likewise.
4893 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4894 and analyze data-refs in the loop.
4895 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4896 fields of data-ref instead of stmt. Add init to the offset from the
4898 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4899 (vect_update_init_of_dr): Likewise.
4900 (vect_update_inits_of_drs): Go through loads and stores in one loop.
4901 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4903 (new_loop_vec_info): Initialize new fields.
4904 (destroy_loop_vec_info): Free new fields.
4905 (vect_strip_conversion): Remove.
4906 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4907 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4908 datarefs. Add new field ddrs.
4909 Add macros for the new fields access.
4910 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4911 base_aligned_p, misalignment, memtag, ptr_info and subvars.
4912 Remove their macros.
4913 * tree.h (highest_pow2_factor): Declare.
4915 2005-07-25 Jakub Jelinek <jakub@redhat.com>
4917 * calls.c (store_one_arg): Check for sibling call MEM arguments
4918 from already clobbered incoming argument area.
4920 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4922 * c-common.c (check_missing_format_attribute): New.
4923 * c-common.h (check_missing_format_attribute): Likewise.
4924 * c-typeck.c (convert_for_assignment): Use it.
4926 2005-07-24 Andreas Schwab <schwab@suse.de>
4928 * config/m68k/m68k.md ("extendqidi2"): When source is an address
4929 register use a word move. Correct operand of ext.w in 68000 code.
4931 2005-07-23 Mark Mitchell <mark@codesourcery.com>
4933 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4934 variables as declarations, rather than definitions.
4936 2005-07-24 Ira Rosen <irar@il.ibm.com>
4938 PR tree-optimization/22526
4939 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4942 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4944 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4945 that C99 reserve for future use. Use it to define clog10,
4946 clog10f and clog10l.
4948 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4950 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4951 * configure.ac: Check for -Wmissing-format-attribute.
4953 * configure: Regenerate.
4955 2005-07-23 Richard Henderson <rth@redhat.com>
4957 PR tree-optimization/22623
4958 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4960 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
4963 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4965 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4967 * Makefile.in (C_TREE_H): Update dependencies.
4968 * c-tree.h: Include toplev.h.
4969 * diagnostic.h (diagnostic_set_info): Add format attribute.
4970 * rtl-error.c (diagnostic_for_asm): Likewise.
4972 2005-07-23 Chao-ying Fu <fu@mips.com>
4974 * config/mips/mips-dsp.md: New file.
4975 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4976 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4978 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4979 MIPS_BUILTIN_BPOSGE32.
4980 (mips_expand_builtin_direct): Add one parameter to indicate that
4981 builtin functions need to return a value.
4982 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4984 (mips_regno_to_class): Add classes for 12 new DSP registers.
4985 (mips_subword): Change to check four HI registers.
4986 (mips_output_move): Output move to and from 6 new DSP accumulators.
4987 (override_options): Make sure -mdsp and -mips16 are not used together.
4988 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4990 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4992 (print_operand): Add 'q' for printing DSP accumulators.
4993 (mips_cannot_change_mode_class): Check ACC_REGS.
4994 (mips_secondary_reload_class): Check ACC_REGS.
4995 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4996 (mips_register_move_cost): Check ACC_REGS.
4997 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4998 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4999 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5000 (dsp_bdesc): New array.
5001 (bdesc_arrays): Add DSP builtin function table.
5002 (mips_prepare_builtin_arg): Check predicate again after
5004 (mips_expand_builtin): Add one more parameter to
5005 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5006 MIPS_BUILTIN_BPOSGE32.
5007 (mips_init_builtins): Initialize new function types.
5008 (mips_expand_builtin_direct): Check if builtin functions need to
5009 return a value and pass operands properly.
5010 (mips_expand_builtin_bposge): New function.
5011 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5012 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5013 (FIRST_PSEUDO_REGISTER): Increase to 188.
5014 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5015 Update for 12 new DSP registers.
5016 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5017 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5018 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5019 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5020 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5021 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5022 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5023 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5024 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5025 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5026 (REGISTER_NAMES): Add names for 12 new DSP registers.
5027 * config/mips/mips.md: Include mips-dsp.md.
5028 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5029 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5030 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5031 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5032 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5033 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5034 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5035 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5036 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5037 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5038 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5039 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5040 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5041 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5042 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5043 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5044 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5045 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5046 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5047 (UNSPEC_RDDSP): New constants.
5048 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5049 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
5051 * config/mips/mips.opt (-mdsp): New option.
5052 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5053 (reg_imm10_operand): New predicates.
5054 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5055 * doc/invoke.texi (-mdsp): Document new option.
5057 2005-07-22 DJ Delorie <dj@redhat.com>
5059 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5061 * tree-inline.c (inlinable_function_p): Likewise.
5063 2005-07-22 Mark Mitchell <mark@codesourcery.com>
5066 * toplev.c (check_global_declarations): Do not mark undefined
5067 variables as DECL_IGNORED_P.
5068 * varasm.c (first_global_object_name): GTY it.
5069 (weak_global_object_name): Likewise.
5070 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5071 a string to go into {weak,first}_global_object_name.
5073 2005-07-22 DJ Delorie <dj@redhat.com>
5075 * c-format.c (check_function_format): Change warning control
5076 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5078 2005-07-22 Diego Novillo <dnovillo@redhat.com>
5080 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5081 &PTR->FLD a dereference of PTR.
5082 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5083 a potential dereference of PTR.
5085 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
5087 PR rtl-optimization/20370
5088 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5089 call allocate_reg_info if necessary.
5091 PR rtl-optimization/21848
5092 * calls.c (emit_library_call_value_1): For const functions, add
5093 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5095 PR rtl-optimization/22445
5096 * cselib.c (target.h): Include.
5097 (rtx_equal_for_cselib_p): Allow commutative matches.
5098 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5099 Remove MODE parameter. Changed all callers.
5101 PR rtl-optimization/22258
5102 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5104 (try_combine): Use likely_spilled_retval_p.
5106 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
5108 * config.gcc: Add crx-elf support.
5110 * doc/contrib.texi: Mention crx.
5111 * doc/extend.texi: Document crx extensions.
5112 * doc/install.texi: Document crx install.
5113 * doc/invoke.texi: Document crx options.
5114 * doc/md.texi: Document crx constraints.
5116 * config/crx/crx-protos.h: New file.
5117 * config/crx/crx.c: New file.
5118 * config/crx/crx.h: New file.
5119 * config/crx/crx.md: New file.
5120 * config/crx/crx.opt: New file.
5121 * config/crx/t-crx: New file.
5123 2005-07-22 Manfred Hollstein <mh@suse.com>
5125 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5127 (int_add_graph_edge): Likewise.
5128 (collapse_nodes): Likewise.
5129 (process_unification_queue): Likewise.
5131 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5132 Laurent GUERBY <laurent@guerby.net>
5134 PR tree-optimization/22336
5135 * function.c (record_block_change): Check for
5136 cfun->ib_boundaries_block.
5138 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
5140 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5141 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5143 2005-07-21 DJ Delorie <dj@redhat.com>
5145 * toplev.c (warn_deprecated_use): Add warning control to warning
5147 * c-typeck.c (parser_build_binary_op): Likewise.
5148 (c_finish_if_stmt): Likewise.
5149 * c-common.c (check_function_sentinel): Likewise.
5150 (check_nonnull_arg): Likewise.
5152 2005-07-21 Richard Henderson <rth@redhat.com>
5155 * tree-complex.c (complex_ssa_name_components): New.
5156 (cvc_lookup): Allow entry not found.
5157 (create_components): Remove.
5158 (create_one_component_var, get_component_var): New.
5159 (get_component_ssa_name, set_component_ssa_name): New.
5160 (extract_component): Use get_component_ssa_name.
5161 (update_complex_components): Use set_component_ssa_name.
5162 (update_complex_components_on_edge): Likewise.
5163 (update_phi_components): Create new PHI nodes directly, instead
5164 of adding insns to edges.
5165 (tree_lower_complex): Allocate and free complex_variable_components
5166 and complex_ssa_name_components here.
5168 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
5170 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5171 revert to returning false.
5173 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5176 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5178 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5181 * config/i386/i386.md (cmpxf): Change operand constraints
5182 to "nonmemory_operand".
5184 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5186 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5188 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5191 * fold-const.c (fold_build1): Add checksum for the operands.
5192 (fold_build2): Likewise.
5193 (fold_build3): Likewise.
5195 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5198 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5200 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5202 * common.opt (-fforward-propagate): Committed by mistake,
5205 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5207 * reg-stack.c: Fix comment typo(s).
5208 * tree-ssa-operands.c: Likewise.
5209 * tree-vectorizer: Likewise.
5211 2005-07-21 Nick Clifton <nickc@redhat.com>
5213 * config/sh/symbian.c: Replace C++ style line comments with C
5214 style line comments.
5215 (symbian_add_attribute): Do not use a ? operator on the LHS of
5217 (sh_symbian_handle_dll_attribute): Change the type of the
5218 method vector to "VEC(tree,gc)*" and use vector accessor
5219 macros to walk over the elements.
5220 (symbian_export_vtable_and_rtti_p): Likewise.
5221 (symbian_class_needs_attribute_p): Likewise.
5223 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5226 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5227 initialize targetm.resolve_overloaded_builtin here.
5228 (altivec_expand_overloaded_builtin): Make it non-static.
5229 * config/rs6000/rs6000-protos.h
5230 (altivec_expand_overloaded_builtin): New prototype.
5231 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5232 targetm.resolve_overloaded_builtin here.
5233 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5235 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5236 Zdenek Dvorak <dvorakz@suse.cz>
5238 PR tree-optimization/19210
5239 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5241 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5242 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5243 rely on unproven assumptions.
5244 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5245 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5246 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5247 to number_of_iterations_exit.
5248 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5249 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5250 * tree-ssa-loop-niter.c (find_loop_niter,
5251 estimate_numbers_of_iterations_loop): Likewise.
5252 (number_of_iterations_exit): Honor the new options.
5253 * doc/invoke.texi (Wunsafe-loop-optimizations,
5254 funsafe-loop-optimizations): Document them.
5256 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5258 PR rtl-optimization/22167
5259 * gcse.c (hoist_code): Fix hoist_exprs[] check.
5261 2005-07-20 Adam Nemet <anemet@lnxw.com>
5263 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5264 __do_global_dtors_aux longcall.
5266 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
5268 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5269 (old_special_pred_table): Don't reference
5270 SPECIAL_MODE_PREDICATES.
5271 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5272 * config/arc/arc.h: Don't mention PREDICATE_CODES.
5273 * config/sh/predicates.h: Don't mention
5274 SPECIAL_MODE_PREDICATES.
5275 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5278 2005-07-20 DJ Delorie <dj@redhat.com>
5280 * config.gcc: Add m32c-elf support.
5282 * doc/contrib.texi: Mention m32c.
5283 * doc/extend.texi: Document m32c extensions.
5284 * doc/install.texi: Mention m32c.
5285 * doc/invoke.texi: Document m32c options.
5286 * doc/md.texi: Document m32c constraints.
5288 * config/m32c/addsub.md: New file.
5289 * config/m32c/bitops.md: New file.
5290 * config/m32c/cond.md: New file.
5291 * config/m32c/jump.md: New file.
5292 * config/m32c/m32c-lib1.S: New file.
5293 * config/m32c/m32c-lib2.c: New file.
5294 * config/m32c/m32c-modes.def: New file.
5295 * config/m32c/m32c-pragma.c: New file.
5296 * config/m32c/m32c-protos.h: New file.
5297 * config/m32c/m32c.abi: New file.
5298 * config/m32c/m32c.c: New file.
5299 * config/m32c/m32c.h: New file.
5300 * config/m32c/m32c.md: New file.
5301 * config/m32c/m32c.opt: New file.
5302 * config/m32c/minmax.md: New file.
5303 * config/m32c/mov.md: New file.
5304 * config/m32c/muldiv.md: New file.
5305 * config/m32c/predicates.md: New file.
5306 * config/m32c/prologue.md: New file.
5307 * config/m32c/shift.md: New file.
5308 * config/m32c/t-m32c: New file.
5310 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5312 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5313 (stack_protect_set, stack_protect_test): New expanders.
5314 (stack_protect_set_si, stack_protect_set_si_media,
5315 stack_protect_set_di_media, stack_protect_test_si,
5316 stack_protect_test_si_media, stack_protect_test_di_media):
5319 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5321 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5323 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5325 * tree.h (tree_expr_nonzero_p): Export.
5326 * fold-const.c (tree_expr_nonzero_p): Likewise.
5327 Return true for CALL_EXPRs that are alloca calls.
5328 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5330 * tree-flow.h (expr_computes_nonzero): Remove.
5331 * tree-vrp.c (expr_computes_nonzero): Remove.
5332 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5333 (extract_range_from_unary_expr): Likewise.
5334 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5335 tree_expr_nonzero_p.
5337 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5339 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5340 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5341 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5342 All callers changed.
5343 (frame_related_constant_load): New arg "related" which controls
5344 setting of RTX_FRAME_RELATED_P. All callers changed.
5345 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5346 (bfin_expand_prologue): Add stack limit checking.
5347 * config/bfin/bfin.md (trapifcc): New pattern.
5349 * config/bfin/bfin.c: Include "langhooks.h".
5350 (def_builtin): Go through lang_hooks to call builtin_function.
5352 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5353 * config/bfin/predicates.md (symbol_ref_operand): New.
5354 (call_insn_operand): Delete. All callers changed to use
5355 register_no_elim_operand.
5356 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5358 (function_arg): Use it to generate the call's operand 2.
5359 (bfin_longcall_p): New function.
5360 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5361 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5362 determine if the address needs to be in a REG.
5363 (bfin_handle_longcall_attribute): New function.
5364 (bfin_attribute_table): Add "longcall" and "shortcall".
5365 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5366 (CUMULATIVE_ARGS): New member call_cookie.
5367 (PREDICATE_CODES): Add symbol_ref_operand.
5368 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5369 extra USE to the pattern.
5370 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5371 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5372 sibcall_value_insn; now the new patterns handle direct calls and the
5373 old ones indirect calls.
5374 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5376 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5378 * doc/trouble.texi: Update section on handling of empty loops.
5380 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5382 * config.gcc: Remove support for sparc-*-openbsd*,
5383 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5385 * config.host: Remove support for i860-*-sysv4* as a host.
5386 * config/i860/*, config/ip2k/*, config/ns32k/*,
5387 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5388 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5389 mention obsolete ports.
5391 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5393 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5395 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5396 of frame_pointer_rtx.
5397 (sh_expand_epilogue): Likewise.
5398 (sh_set_return_address): Likewise.
5399 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5400 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5401 offsets from FRAME_POINTER_REGNUM.
5402 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5403 (sh_register_names): Add initializer for sfp.
5404 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5405 (VALID_REGISTER_P): Likewise.
5406 (FIRST_PSEUDO_REGISTER): Update.
5407 (DWARF_FRAME_REGISTERS): Define.
5408 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5409 (HARD_FRAME_POINTER_REGNUM): Define.
5410 (FRAME_POINTER_REGNUM): Redefine.
5411 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5412 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5413 from FRAME_POINTER_REGNUM.
5414 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5415 FRAME_POINTER_REGNUM.
5416 (REG_CLASS_CONTENTS): Add sfp.
5417 (REG_ALLOC_ORDER): Likewise.
5418 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5419 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5420 of frame_pointer_rtx.
5421 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5423 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5425 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5426 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5427 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5429 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5432 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5434 Make CONSTRUCTOR use VEC to store initializers.
5435 * c-common.c (complete_array_type): Update to cope with VEC in
5437 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5438 (pp_c_constructor_elts): New function.
5439 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5440 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5441 struct constructor_stack, struct initializer_stack,
5442 constructor_elements, push_init_level, pop_init_level,
5443 add_pending_init, find_init_member, output_init_element): Update to
5444 cope with VEC in CONSTRUCTOR_ELTS.
5445 * coverage.c (build_fn_info_value, build_ctr_info_value,
5446 build_gcov_info): Likewise.
5447 * expr.c (categorize_ctor_elements_1, store_constructor,
5448 expand_expr_real_1): Likewise.
5449 * fold-const.c (fold_ternary): Likewise.
5450 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5451 gimplify_init_constructor, gimplify_expr): Likewise.
5452 * tree-dump.c (dequeue_and_dump): Likewise.
5453 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5455 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5457 * tree-sra.c (generate_element_init_1): Likewise.
5458 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5459 * tree-ssa-operands.c (get_expr_operands): Likewise.
5460 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5461 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5462 (get_initial_def_for_reduction): Likewise.
5463 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5464 value handle in annotations.
5465 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5466 tree_node_structure): Add support for constr_kind.
5467 (build_vector_from_ctor, build_constructor_single,
5468 build_constructor_from_list): New functions.
5469 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5470 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5471 Update to cope with VEC in CONSTRUCTOR_ELTS.
5472 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5473 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5474 CONSTRUCTOR_APPEND_ELT): New macros.
5475 (struct constructor_elt, struct tree_constructor): New data types.
5476 (union tree_node): Add tree_constructor field.
5477 * treestruct.def: Define TS_CONSTRUCTOR.
5478 * varasm.c (const_hash_1, compare_constant, copy_constant,
5479 compute_reloc_for_constant, output_addressed_constants,
5480 initializer_constant_valid_p, output_constant,
5481 array_size_for_constructor, output_constructor): Update to cope with
5482 VEC in CONSTRUCTOR_ELTS.
5483 * vec.h (VEC_empty, VEC_copy): New macros.
5485 2005-07-19 Devang Patel <dpatel@apple.com>
5487 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5489 2005-07-19 Richard Henderson <rth@redhat.com>
5492 * gimplify.c (gimplify_expr): Use main variant type for the temp
5493 destination for a discarded volatile read.
5494 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5495 casts between non-void types that change volatility.
5497 2005-07-15 DJ Delorie <dj@redhat.com>
5499 * toplev.h: Add comment about the first parameter for warning().
5500 * errors.h: Likewise.
5502 * c.opt (Wpragmas): New.
5503 * doc/invoke.texi: Document it.
5505 * function.c (do_warn_unused_parameter): Add warning control to
5507 * c-decl.c (warn_if_shadowing): Likewise.
5508 * c-lex.c (cb_def_pragma): Likewise.
5509 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5510 (pop_alignment): Likewise.
5511 (handle_pragma_pack): Likewise.
5512 (apply_pragma_weak): Likewise.
5513 (handle_pragma_weak): Likewise.
5514 (handle_pragma_redefine_extname): Likewise.
5515 (add_to_renaming_pragma_list): Likewise.
5516 (handle_pragma_extern_prefix): Likewise.
5517 (maybe_apply_renaming_pragma): Likewise.
5518 (handle_pragma_visibility): Likewise.
5520 * config/c4x/c4x-c.c (BAD): Likewise.
5521 (c4x_parse_pragma): Likewise.
5522 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5523 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5524 (rs6000_pragma_longcall): Likewise.
5525 * config/v850/v850-c.c (pop_data_area): Likewise.
5526 (ghs_pragma_section): Likewise.
5527 (ghs_pragma_section): Likewise.
5528 (ghs_pragma_interrupt): Likewise.
5529 (ghs_pragma_starttda): Likewise.
5530 (ghs_pragma_startsda): Likewise.
5531 (ghs_pragma_startzda): Likewise.
5532 (ghs_pragma_endtda): Likewise.
5533 (ghs_pragma_endsda): Likewise.
5534 (ghs_pragma_endzda): Likewise.
5536 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5537 Kenneth Zadeck <zadeck@naturalbridge.com>
5539 * Makefile.in: Removed tree-promote-statics.c
5540 * tree-promote-statics.c: Removed.
5541 * common.opt: Removed flag-promote-statics.
5543 * passes.c: Removed tree-promote-statics pass.
5544 * tree-pass.h: Ditto.
5545 * timevar.def: Removed TV_PROMOTE_STATICS.
5548 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5550 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5552 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5554 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5557 * c-common.c (check_function_arguments): Call
5558 'check_function_format' if either -Wformat or
5559 -Wmissing-format-attribute are specified.
5560 * c-format.c (check_function_format): Check -Wformat before
5561 calling 'check_format_info'.
5562 * c-opts.c (c_common_post_options): Don't warn for
5563 -Wmissing-format-attribute without -Wformat.
5564 * c-typeck.c (convert_for_assignment): Detect additional cases for
5565 -Wmissing-format-attribute.
5566 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5569 2005-07-19 Richard Guenther <rguenther@suse.de>
5571 * config/i386/i386.md (lrint<mode>2): Use temporary
5572 instead of clobbering non-existent memory.
5574 2005-07-19 Nick Clifton <nickc@redhat.com>
5576 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5577 statement to avoid displaying ASCII control characters.
5579 2005-07-19 Ben Elliston <bje@au.ibm.com>
5581 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5582 * cfganal.c (find_edge_index): Ditto.
5583 * combine.c (combine_instructions): Ditto.
5584 * ddg.c (create_scc): Ditto.
5585 (find_successors): Ditto.
5586 (find_predecessors): Ditto.
5587 (find_nodes_on_paths): Ditto.
5588 (longest_simple_path): Ditto.
5589 * flow.c (update_life_info): Ditto.
5590 (count_or_remove_death_notes): Ditto.
5591 (clear_log_links): Ditto.
5592 * modulo-sched.c (generate_reg_moves): Ditto.
5593 (find_max_asap): Ditto.
5594 (find_max_hv_min_mob): Ditto.
5595 (find_max_dv_min_mob): Ditto.
5596 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5597 * sched-rgn.c (extract_edgelst): Ditto.
5598 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5599 (dump_update_ssa): Ditto.
5600 (ssa_names_to_replace) Ditto.
5601 (switch_virtuals_to_full_rewrite): Ditto.
5602 (update_ssa): Ditto.
5603 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5605 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5607 Fix PR tree-optimization/22483
5609 * tree-complex.c (create_components): Use
5610 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5611 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5612 * tree-flow.h (safe_referenced_var_iterator): New structure.
5613 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5614 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5615 safe_referenced_var iterator.
5616 (add_type_alias): Ditto.
5618 2005-07-19 Steven Bosscher <stevenb@suse.de>
5620 * loop-init.c (rest_of_handle_loop2): Remove.
5621 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5622 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5623 (pass_rtl_loop_init, pass_rtl_loop_done,
5624 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5625 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5626 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5627 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5628 pass_tree_loop_done, and pass_tree_unswitch.
5629 (gate_loop): Rename to gate_tree_loop.
5630 * passes.c (init_optimization_passes): Update for renamed tree
5631 loop passes. Add the new loop2 passes as subpasses of loop2.
5632 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5633 Update for the renamed tree loop passes.
5635 2005-07-18 Ian Lance Taylor <ian@airs.com>
5638 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5639 blocks when optimizing.
5641 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5643 * common.opt (frename-registers): Initialize to 2.
5645 (fgcse-after-reload): Ditto.
5646 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5647 (process_options): Only change flag_web, flag_rename_registers,
5648 and flag_rerun_cse_after_loop if not explicitly set by user.
5650 2005-07-18 Jan Beulich <jbeulich@novell.com>
5652 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5653 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5654 in 64-bit mode the same as DImode in 32-bit mode.
5655 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5656 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5657 mode. Add new mode parameter.
5658 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5659 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5660 x86_64_shift_adj): New expanders.
5661 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5662 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5664 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5665 DImode shift splitters.
5666 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5667 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5670 2005-07-18 Jan Beulich <jbeulich@novell.com>
5672 * i386.md (movdi_extzv_1): New.
5673 (zero_extendhidi2): Combine alternatives and never force use of
5675 (zero_extendqidi2): Likewise. Don't restrict input selection.
5677 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5679 Fix PR tree-optimization/22531
5680 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5683 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5685 * tree-promote-statics.c (pass_promote_statics): Change dump file
5688 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5690 * tree-optimize.c (init_tree_optimization_passes): Add
5691 pass_eliminate_useless_stores pass.
5692 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5693 * tree-ssa-pre.c (is_copy_stmt): New function.
5694 (follow_copies_till_vuse): Ditto.
5695 (do_eustores): Ditto.
5696 (gate_eustores): Ditto.
5698 2005-07-16 Richard Henderson <rth@redhat.com>
5700 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5702 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5703 Kenneth Zadeck <zadeck@naturalbridge.com>
5705 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5706 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5707 ipa-type-escape.h, tree-promote-statics.c
5708 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5709 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5710 tree-promote-statics.c: new files.
5711 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5712 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5713 int nonlocal_set_p, mark_constant_function): Deleted.
5714 (rest_of_handle_cfg): Removed call to mark_constant_function.
5715 (nonoverlapping_component_refs_p): Added calls to support
5716 type based aliasing.
5717 * tree-ssa-alias.c (may_alias_p,
5718 compute_flow_insensitive_aliasing): Ditto.
5719 * calls.c (flags_from_decl_or_type): Removed reference to
5721 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5722 too many arguments. This is necessary for Spec 2000.
5723 * cgraph.h (const_function, pure_function): Removed.
5724 * common.opt: Added "fipa-pure-const", "fipa-reference",
5725 "fipa-type-escape", and "ftree-promote-static".
5727 * passes.c: Added ipa and tree-promote-statics passes.
5728 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5729 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5730 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5731 * tree-flow.h: Added exposed sra calls and addition of
5732 reference_vars_info field for FUNCTION_DECLS.
5733 * tree-pass.h: Added passes.
5734 * tree-sra.c: (sra_init_cache): New function.
5735 (sra_insert_before, sra_insert_after) Made public.
5736 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5738 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5739 aliasing. (may_alias_p): Added code to use type escape analysis to
5741 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5742 code to prune clobbers of static variables based on information
5743 produced in ipa-reference pass. Changed call clobbering so that
5744 statics are not marked as clobbered if the call does not clobber
5747 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5749 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5752 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5754 * doc/install.texi (*-*-solaris2*): Document recommended version
5755 of GNU binutils and mention GNU linker problem on Solaris 10.
5757 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5760 * c-decl.c (c_build_bitfield_integer_type): New function.
5761 (finish_struct): Call it.
5762 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5764 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5766 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5769 2005-07-16 Jan Hubicka <jh@suse.cz>
5771 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5772 (scale_bbs_frequencies_int): Watch roundoff errors.
5773 * predict.c (return_prediction): Initialize return_stmt.
5775 2005-07-16 Jan Hubicka <jh@suse.cz>
5777 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5778 after RTL profiling.
5780 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5783 * fold-const.c (build_range_check): Convert high/low to etype
5784 if we are only comparing against exp.
5786 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5788 Fix PR tree-optimization/22376
5789 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5791 (need_to_solve): New function.
5792 (compute_points_to_sets): Use it.
5794 2005-07-15 Jan Hubicka <jh@suse.cz>
5796 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5797 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5799 2005-07-15 Richard Guenther <rguenther@suse.de>
5801 * c-common.c (handle_flatten_attribute): New function.
5802 Add flatten function attribute.
5803 * doc/extend.texi: Document flatten function attribute.
5804 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5805 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5807 (cgraph_decide_inlining): Handle functions with flatten
5810 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5812 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5813 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5814 UNSPEC_XCHG, UNSPEC_AND): New.
5815 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5816 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5817 * config/rs6000/sync.md (FETCHOP): New code macro.
5818 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5820 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5821 (sync_compare_and_swap<mode>): Same.
5822 (sync_lock_test_and_set<mode>): Same.
5823 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5824 for QImode and HImode, and not PPC405.
5825 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5826 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5827 (sync_<fetchop>{si,di}_internal): New.
5828 (sync_nand{si,di}_internal): New.
5829 (sync_old_<fetchop>{si,di}_internal): New.
5830 (sync_old_nand{si,di}_internal): New
5831 (sync_new_<fetchop>{si,di}_internal): New.
5832 (sync_new_nand{si,di}_internal): New.
5833 (atomic_and{si,di}): New.
5834 (sync_new_nand{si,di}_internal): New.
5835 (atomic_and{si,di}): New.
5836 (sync_add<mode>_internal): Delete.
5837 (sync_addshort_internal): Use unspec instead of unspec_volatile.
5838 (sync_sub<mode>_internal): Delte.
5839 (sync_subshort_internal): New.
5840 (sync_andsi_internal): Use unspec instead of unspec_volatile.
5841 (sync_anddi_internal): Delete.
5842 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5843 (sync_booldi_internal): Delete.
5844 (sync_boolc<mode>_internal): Delete.
5845 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5846 (sync_boolc<mode>_internal2): Delete.
5847 (sync_boolcc<mode>_internal): Delete.
5848 (isync, lwsync): Use unspec instead of unspec_volatile.
5849 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5850 Revert UNSPEC_VOLATILE.
5851 (rs6000_split_atomic_op): New.
5852 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5854 2005-07-14 Eric Christopher <echristo@redhat.com>
5856 * config/mips/mips.c (mips_canonicalize_comparison): Cast
5857 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5859 2005-07-14 Eric Christopher <echristo@redhat.com>
5861 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5863 2005-07-14 Steven Bosscher <stevenb@suse.de>
5865 PR tree-optimization/22230
5866 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5867 the computation of the four cross productions for "range op range".
5869 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
5870 Ulrich Weigand <uweigand@de.ibm.com>
5873 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5876 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
5878 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5880 2005-07-14 Steve Ellcey <sje@cup.hp.com>
5882 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5884 2005-07-14 Richard Guenther <rguenther@suse.de>
5887 * config/i386/i386-protos.h (ix86_function_value): Change
5888 prototype to match new target hook.
5889 * config/i386/i386.c (ix86_value_regno): Change prototype
5890 to take extra type argument.
5891 (TARGET_FUNCTION_VALUE): Define.
5892 (ix86_function_ok_for_sibcall): Pass extra argument to
5893 ix86_value_regno, check return slot rtx for exact match.
5894 (ix86_function_value): Take extra parameter. Dispatch to
5895 ix86_value_regno with fndecl/fntype as provided.
5896 (ix86_value_regno): Handle extra type argument.
5897 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5899 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5900 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5901 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5902 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5903 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5905 2005-07-14 Richard Guenther <rguenther@suse.de>
5907 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5908 * calls.c (expand_call): Pass fntype to hard_function_value.
5909 (emit_library_call_value_1): Likewise.
5910 * explow.c: Include target.h.
5911 (hard_function_value): Take extra argument, the fntype.
5912 Use new target hook for function_value.
5913 * expr.h (hard_function_value): Change prototype.
5914 * function.c (aggregate_value_p): Pass 0 as fntype to
5915 hard_function_value.
5916 (assign_parms): Use new target hook for function_value.
5917 Pass 0 as fntype to hard_function_value.
5918 (expand_function_end): Likewise.
5919 * reg-stack.c: Include target.h.
5920 (stack_result): Use new target hook for function_value.
5921 * target-def.h: New target hook function_value.
5922 * target.h: Likewise.
5923 * targhooks.c (default_function_value): New function.
5924 * targhooks.h (default_function_value): Declare.
5926 2005-07-13 Ian Lance Taylor <ian@airs.com>
5928 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5930 2005-07-14 Jan Hubicka <jh@suse.cz>
5932 * tree-dfa.c (dump_variable): Use default_def function.
5933 * tree-ssa-alias.c (dump_points_to_info): Likewise.
5934 * tree-ssa.c (verify_use): Likewise.
5935 * tree-ssanames.c (release_ssa_name): Likewise.
5936 * tree-tailcall.c (eliminate_tail_call): Likewise.
5937 (tree_optimize_tail_calls_1): Likewise.
5938 * tree-vrp.c (get_value_range): Likewise.
5940 2005-07-14 Ben Elliston <bje@au.ibm.com>
5942 * gcc.c (main): Compare language[0] with '*' when iterating over
5945 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5947 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5948 "s390_emit_compare". Add handling of CCZ1mode.
5949 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5950 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5952 (s390_branch_condition_mask): Add CCZ1mode handling.
5953 * config/s390/s390.md: ("seq", "*seq"): New pattern.
5954 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5955 Use CCZ1mode instead of CCZmode.
5956 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
5958 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
5960 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5962 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5964 2005-07-13 Eric Christopher <echristo@redhat.com>
5966 * config/mips/mips.c (mips_canonicalize_comparison): New.
5967 (mips_emit_int_relational): Use.
5969 2005-07-13 Eric Christopher <echristo@redhat.com>
5971 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5973 * config/s390/s390.md: Include tpf.md. Move tpf specific
5975 * config/s390/tpf.md: To here.
5976 * config/s390/s390.opt: Move tpf specific options...
5977 * config/s390/tpf.opt: to here. Add mmain option.
5978 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5979 * config/s390/tpf.h: Rewrite.
5981 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5983 * doc/tm.texi: Remove @xref{Cross-profiling}.
5985 2005-07-13 Jeff Law <law@redhat.com>
5987 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5988 expressions, test their _DECL operands for pointer equality rather
5989 than using operand_equal_p.
5991 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5993 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5994 (TARGET_POSIX_IO): This.
5995 * config/darwin.h: Likewise.
5996 * config/freebsd.h: Likewise.
5997 * config/linux.h: Likewise.
5998 * config/lynx.h: Likewise.
5999 * config/netbsd.h: Likewise.
6000 * config/rs6000/linux64.h: Likewise.
6001 * config/rs6000/linux.h: Likewise.
6002 * config/s390/tpf.h: Likewise.
6003 * config/sh/embed-elf.h: Likewise.
6004 * config/sparc/linux64.h: Likewise.
6005 * config/sparc/linux.h: Likewise.
6006 * config/svr4.h: Likewise.
6007 * gcov-io.h: Likewise.
6009 * doc/tm.texi: Updated.
6011 * libgcov.c (create_file_directory): Defined only if
6012 TARGET_POSIX_IO is defined.
6013 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6016 2005-07-13 Jan Hubicka <jh@suse.cz>
6018 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6020 2005-07-13 David Edelsohn <edelsohn@gnu.org>
6022 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6023 structure as argument.
6025 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
6027 PR tree-optimization/21921
6028 * tree-iterator.c (tsi_link_before): Support the case when
6029 tsi_end_p (tsi) == true.
6031 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6033 PR tree-optimization/22442
6034 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6037 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6039 PR rtl-optimization/20376
6040 * toplev.c (process_options): Enable -fweb and -frename-registers when
6042 * doc/invoke.texi: Update the information about when -fweb and
6043 -frename-registers are enabled.
6045 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6048 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6049 if *rhs_p is not a SSA_NAME.
6051 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
6053 Fix PR tree-optimization/22422
6054 * tree-ssa-structalias.c (struct variable_info): Add flag for
6056 (get_varinfo): Now a static function.
6057 (new_varinfo): init has_union and is_special_var to false.
6058 (solution_set_add): Check has_union.
6059 (do_da_constraint): Move temporary variable so it gets reset
6061 Also check for special variable.
6062 (do_ds_constraint): Ditto.
6063 (do_sd_constraint): Ditto.
6064 (do_structure_copy): Check for special variable.
6065 (find_func_aliases): Ditto.
6066 (init_base_vars): Set special vars properly.
6068 2005-07-13 Jan Hubicka <jh@suse.cz>
6070 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6073 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6074 (get_expr_operands): Fix thinko wrt flags and subvars.
6076 PR tree-optimize/22379
6077 * tree-inline.c (expand_call_inline): Do not output sorry in early
6080 2005-07-12 Dale Johannesen <dalej@apple.com>
6082 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
6084 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6087 * host-linux.h: Include limits.h.
6089 2005-07-12 Dale Johannesen <dalej@apple.com>
6091 * expr.c (compress_float_constant): Add cost check.
6092 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
6094 2005-07-12 Dale Johannesen <dalej@apple.com>
6096 * gcc.target/i386/compress-float-sse.c: New.
6097 * gcc.target/i386/compress-float-sse-pic.c: New.
6098 * gcc.target/i386/compress-float-387.c: New.
6099 * gcc.target/i386/compress-float-387-pic.c: New.
6100 * gcc.dg/compress-float-ppc.c: New.
6101 * gcc.dg/compress-float-ppc-pic.c: New.
6103 2005-07-12 Eric Christopher <echristo@redhat.com>
6105 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6107 * config/s390/s390.md: Include tpf.md. Move tpf specific
6109 * config/s390/tpf.md: To here.
6110 * config/s390/s390.opt: Move tpf specific options...
6111 * config/s390/tpf.opt: to here. Add mmain option.
6112 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6113 * config/s390/tpf.h: Rewrite.
6115 2005-07-12 Eric Christopher <echristo@redhat.com>
6117 * gcc.c (struct infile): Update comment for language.
6118 (main): Rewrite input file resetting code.
6120 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6123 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6124 requiring a cast in a non RHS of modify_expr. Add a cast when required.
6125 (lookup_avail_expr): Use constant_boolean_node instead
6126 of boolean_false_node/boolean_true_node.
6128 2005-07-12 Ben Elliston <bje@au.ibm.com>
6130 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6131 and use it when printing num_edges.
6133 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
6135 * doc/extend.texi (Blackfin Built-in Functions): New section.
6136 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6139 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
6141 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6142 s/cmpstrsi/cmpstrnsi
6143 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6145 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6146 (init_optabs): Initialize cmpstrn_optab.
6147 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6148 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6149 * expr.c: (enum insn_code cmpstrn_optab): Declare.
6150 * config/i386/i386.md: s/cmpstr/cmpstrn
6151 * config/c4x/c4x.md: s/cmpstr/cmpstrn
6152 * doc/md.texi: Update documentation.
6154 2005-07-11 Richard Henderson <rth@redhat.com>
6156 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6157 build_va_arg_indirect_ref.
6158 (alpha_gimplify_va_arg): Likewise.
6159 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6160 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6161 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6162 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6163 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6164 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6166 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6168 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6170 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6171 * passes.c (init_optimization_passes): Add pass_empty_loop.
6172 * tree-pass.h (pass_empty_loop): Declare.
6173 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6174 try_remove_empty_loop, remove_empty_loops): New functions.
6175 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6176 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6178 2005-07-12 Peter Barada <peter@the-baradas.com>
6182 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6183 in address registers.
6184 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6185 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6186 alternative of addsi3_5200.
6188 2005-07-11 Ian Lance Taylor <ian@airs.com>
6190 * config/mips/mips.md (ffs<mode>2): Remove.
6192 2005-07-11 Ian Lance Taylor <ian@airs.com>
6194 * doc/tree-ssa.texi (Cleanups): Improve description of
6196 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6198 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6200 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6201 * tree.h (DECL_ARGUMENT_FLD): New macro.
6203 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6205 Fix PR tree-optimization/22404
6207 * tree-ssa-structalias.c (create_variable_info_for): Use
6210 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
6212 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6213 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6214 for second comparison operand.
6215 * config/bfin/predicates.md (reg_or_const_int_operand): New.
6217 * config/bfin/bfin.md (define_attr "type"): Add "sync".
6218 (define_insn_reservation "alu"): Likewise.
6219 (csync, ssync): Now of type sync.
6220 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6221 -mcsync-anomaly -mspecld-anomaly.
6222 * config/bfin/bfin.opt (mcsync): Remove.
6223 (mcsync-anomaly, mspecld-anomaly): Add.
6224 * config/bfin/bfin.c: Include "insn-codes.h".
6225 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6226 (TARGET_DEFAULT_TARGET_FLAGS): New.
6227 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6229 2005-07-11 Steven Bosscher <stevenb@suse.de>
6231 * basic-block.h: Give the BB flags enum a name, bb_flags.
6232 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6233 * cfgcleanup.c (enum bb_flags): Remove here.
6234 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6235 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6236 (update_forwarder_flag): Likewise.
6237 (thread_jump): Likewise.
6238 (try_forward_edges): Likewise.
6239 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6240 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6241 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6243 2005-07-11 Richard Guenther <rguenther@suse.de>
6245 * config/i386/i386.opt: New target option -msseregparm.
6246 * config/i386/i386.c (override_options): Error out for
6247 -msseregparm but no SSE support.
6248 (ix86_function_sseregparm): Check for global sseregparm.
6249 * doc/invoke.texi: Document -msseregparm.
6251 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6253 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6254 (m32rle-*-linux*): Ditto.
6256 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6258 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6259 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6262 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6266 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6267 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6269 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
6271 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6272 (varmap): Heapify varmap.
6273 (constraints): Heapify constraints.
6274 (struct constraint_graph): Heapify succs and preds.
6275 (constraint_vec_find): Update for heapification.
6276 (constraint_set_union): Ditto.
6277 (insert_into_complex): Ditto.
6278 (constraint_edge_vec_find): Ditto.
6279 (erase_graph_self_edge): Ditto.
6280 (add_graph_edge): Ditto.
6281 (get_graph_weights): Ditto.
6282 (merge_graph_nodes): Ditto.
6283 (build_constraint_graph): Ditto.
6284 (topo_visit): Ditto.
6285 (solve_graph): Ditto.
6286 (create_variable_info_for): Ditto.
6287 (init_base_vars): Ditto.
6288 (delete_points_to_sets): Free graph, varmap, and complex constraints.
6289 (condese_varmap_nodes): Free complex vector.
6290 (clear_edges_for_node): Clear succs and preds vector.
6292 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6294 * tree-ssa-structalias.c (update_alias_info): Change counting of
6295 references to not include vdefs.
6297 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6299 * tree-ssa-alias.c (free_used_part_map): Add missing free.
6302 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6304 * pa.c (pa_commutative_p): Make PLUS commutative when
6305 TARGET_NO_SPACE_REGS is true.
6307 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6309 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6310 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6311 * tree-dfa.c (dump_subvars_for): New.
6312 (debug_subvars_for): New.
6313 (dump_variable): Show subvariables if VAR has them.
6314 * tree-flow-inline.h (get_subvar_at): New.
6315 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6316 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6318 (struct subvar): Change fields offset and size to unsigned
6320 (dump_subvars_for): Declare.
6321 (debug_subvars_for): Declare.
6322 (get_subvar_at): Declare.
6323 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6324 to unsigned HOST_WIDE_INT *.
6325 (overlap_subvar): Likewise.
6326 * tree-gimple.c (is_gimple_reg): Always return false for
6327 SFTs and memory tags.
6328 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6330 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6331 (compute_may_aliases): Call compute_points_to_sets.
6332 (collect_points_to_info_for): Remove.
6333 (compute_points_to_and_addr_escape): Remove.
6334 (delete_alias_info): Call delete_points_to_sets.
6335 (compute_flow_sensitive_aliasing): If the call to
6336 find_what_p_points_to returns false, call set_pt_anything.
6337 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6338 (set_pt_anything): Clear pi->pt_vars.
6339 (set_pt_malloc): Remove.
6340 (merge_pointed_to_info): Remove.
6341 (add_pointed_to_expr): Remove.
6342 (add_pointed_to_var): Remove.
6343 (collect_points_to_info_r): Remove.
6344 (is_escape_site): Make extern.
6346 (create_overlap_variables_for): Call it.
6347 * tree-ssa-copy.c (merge_alias_info): Never merge
6348 flow-sensitive alias information.
6349 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6350 offset and size to be unsigned HOST_WIDE_INT.
6351 (add_to_addressable_set): Rename from note_addressable.
6352 Set TREE_ADDRESSABLE as the variables are added to the set.
6354 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6355 operands into VUSEs when adding V_MAY_DEFs for members in an
6357 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6358 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6359 (struct variable_info): Add bitfield is_heap_var.
6360 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6361 (new_var_info): Initialize is_heap_var.
6362 (get_constraint_for): Add HEAP variables to the symbol table.
6363 Mark them with is_heap_var.
6364 (update_alias_info): New. Taken mostly from the old
6365 compute_points_to_and_addr_escape.
6366 (handle_ptr_arith): New.
6367 (find_func_aliases): Call update_alias_info.
6368 Call handle_ptr_info for tcc_binary expressions.
6369 Call mark_stmt_modified.
6370 (create_variable_info_for): If DECL has subvars, do not create
6371 variables for its subvars. Always add all the fields.
6372 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6373 SFTs, then add all the SFTs of the structure.
6374 If VI->DECL is an aggregate with subvariables, add the SFT at
6376 (find_what_p_points_to): If VI is an artificial variable,
6377 translate to bitfields in SSA_NAME_PTR_INFO.
6378 If the solution is empty, set pi->pt_vars to NULL
6379 (init_base_vars): Create ANYOFFSET.
6380 (compute_points_to_sets): Rename from create_alias_vars.
6382 (pass_build_pta): Remove.
6383 (delete_points_to_sets): Rename from delete_alias_vars.
6384 (pass_del_pta): Remove.
6385 * tree-ssa-structalias.h (struct alias_info): Move from
6387 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6388 NUM_REFERENCES_SET): Likewise.
6389 (compute_points_to_sets, delete_points_to_sets): Declare.
6391 2005-07-09 Richard Henderson <rth@redhat.com>
6393 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6394 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6395 alpha_split_lock_test_and_set_12): New functions.
6396 * config/alpha/alpha-protos.h: Update.
6397 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6398 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6399 * config/alpha/sync.md (I12MODE): New.
6400 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6401 (sync_<fetchop_name><I48MODE>): Likewise.
6402 (sync_nand<I48MODE>): Likewise.
6403 (sync_old_<fetchop_name><I48MODE>): Likewise.
6404 (sync_new_<fetchop_name><I48MODE>): Likewise.
6405 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6406 (sync_compare_and_swap<I48MODE>): Likewise.
6407 (sync_lock_test_and_set<I48MODE>): Likewise.
6408 (sync_compare_and_swap<I12MODE>): New.
6409 (sync_compare_and_swap<I12MODE>_1): New.
6410 (sync_lock_test_and_set<I12MODE>): New.
6411 (sync_lock_test_and_set<I12MODE>_1): New.
6413 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6417 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6419 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6421 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6422 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6424 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6427 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6429 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6431 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6432 memory_operand constraint.
6433 (store_conditional_<mode>): Same.
6434 (sync_compare_and_swap<mode>): Same.
6435 (sync_lock_test_and_set<mode>): Same.
6437 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6439 Rewrite PIC support to more closely model actual instructions.
6440 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6441 (cris_symbol): Remove prototypes for removed functions.
6442 (cris_pic_symbol_type_of, cris_valid_pic_const)
6443 (cris_expand_pic_call_address): Prototypes for new functions.
6444 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6446 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6448 <case ':'>: Add case for new punctuation character.
6449 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6450 emitting (extra) PIC modifier.
6451 <case UNSPEC>: Do not assert for PLT.
6452 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6453 (cris_expand_prologue, cris_expand_epilogue): Check
6454 for pic_offset_table_rtx usage instead of taking
6455 current_function_uses_pic_offset_table as the final word.
6456 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6457 Remove flag_pic difference.
6458 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6459 the moral equivalents of...
6460 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6462 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6463 (cris_handle_option): Mark ARG as unused.
6464 (cris_expand_pic_call_address): New worker function for "call",
6466 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6467 output PIC constructs here.
6468 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6469 as symbol-specific modifers, not whole or part of operands.
6470 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6471 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6472 constants and flag_pic.
6473 (CONSTANT_INDEX_P): Adjust for new functions.
6474 (enum cris_pic_symbol_type): New helper type.
6475 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6476 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6477 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6479 ("movsi"): Emit actual instructions for GOT and relative access.
6480 ("*movsi_got_load"): New pattern to set up the register holding
6482 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6483 Adjust FIXME for 'S'.
6484 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6485 Use "movs" for -fpic cases.
6486 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6487 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6488 ("call", "call_value"): Just call cris_expand_pic_call_address for
6490 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6491 Remove special pattern.
6492 ("*expanded_call_side", "*expanded_call_value_side"): New
6494 (gotplt-to-plt, gotplt-to-plt-side-call)
6495 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6497 * config/cris/cris/predicates.md
6498 ("cris_general_operand_or_gotless_symbol"): Remove unused
6500 ("cris_general_operand_or_symbol"): Adjust for new functions.
6502 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6504 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6506 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6508 * Makefile.in (TREE_H): Add treestruct.def.
6509 (c-decl.o): Add pointer-set.h
6510 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6511 visibility on regular DECL's.
6512 (merge_decls): Fix the copying of decl nodes of various types for
6513 the new structures. Don't update RTL, section name, weak status,
6514 etc, on DECL's without RTL.
6515 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6516 Don't check volatile on non-variable types.
6517 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6518 to check whether we have seen arguments.
6519 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6520 flag is checked before field (flag is common, field is not).
6521 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6522 TS_DECL_COMMON could have an origin.
6523 (add_location_or_const_value_attribute): Don't check section name
6524 on non-var/function decls.
6525 (dwarf2out_var_location): Reverse order of tests.
6526 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6527 with DECL_WRTL_CHECK.
6528 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6529 * fold-const.c (fold_binary): Don't check weakness on
6530 non-var/function decls.
6531 (tree_expr_nonzero_p): Ditto.
6532 (fold_checksum_tree): Use tree_decl_extra as sizeof
6534 * ggc-page.c (extra_order_size_table): Add sizes for
6535 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6537 * gimplify.c (gimplify_bind_expr): Only set
6538 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6539 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6541 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6542 * langhooks.h (init_ts). New langhook.
6543 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6544 * print-tree.c (print_node): Update to only print fields that
6545 exist in the structures the passed decl has.
6546 * toplev.c (wrapup_global_declarations): Don't reset
6547 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6548 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6549 * tree-inline.c (remap_decl): Ditto.
6550 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6551 * tree-pretty-print.c (print_declaration): Don't print
6552 DECL_REGISTER on things that don't contain it.
6553 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6554 non-var/function decls.
6555 * tree.c (tree_contains_struct): New structure.
6556 (init_priority_for_decl): New hashtable.
6557 (tree_int_map): New structure.
6558 (tree_int_map_eq): New function.
6559 (tree_int_map_marked_p): Ditto.
6560 (tree_int_map_hash): Ditto.
6561 (tree_map): Move to tree.h.
6562 (tree_map_eq): Externalize.
6563 (tree_map_hash): Ditto.
6564 (tree_map_marked_p): Ditto.
6565 (init_ttree): Set up tree_contains_struct and call langhook.
6566 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6567 (tree_code_size): Update for new structures.
6568 (tree_node_structure): Update for new structures.
6569 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6571 (copy_node_stat): Copy init priority.
6572 (build_decl_stat): Ditto for visibility.
6573 (ts_enum_names): New.
6574 (tree_contains_struct_check_failed): New function.
6575 (decl_init_priority_lookup): Ditto.
6576 (decl_init_priority_insert): Ditto.
6577 * treestruct.def: New file.
6578 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6579 (CONTAINS_STRUCT_CHECK): Ditto.
6580 (tree_contains_struct_check_failed): New prototype.
6581 (DECL_CHECK): Removed.
6582 (DECL_MINIMAL_CHECK): New.
6583 (DECL_COMMON_CHECK): Ditto.
6584 (DECL_WRTL_CHECK): Ditto.
6585 (DECL_NON_COMMON_CHECK): Ditto.
6586 (DECL_WITH_VIS_CHECK): Ditto.
6587 (VAR_OR_FUNCTION_DECL_P): Ditto
6588 (struct tree_decl_minimal): New structure.
6589 (struct tree_decl_common): Ditto.
6590 (struct tree_decl_with_rtl): Ditto.
6591 (struct tree_decl_with_vis): Ditto.
6592 (struct tree_decl_non_common): Ditto.
6593 (struct tree_field_decl): Ditto.
6594 (struct tree_parm_decl): Ditto.
6595 (struct tree_var_decl): Ditto.
6596 (struct tree_function_decl): Ditto.
6597 (struct tree_const_decl): Ditto.
6598 (struct tree_result_decl): Ditto.
6599 (union tree_node): Add new structures.
6600 * var-tracking.c (track_expr_p): Reverse order of tests.
6602 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6604 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6606 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6607 * system.h: Poison FINALIZE_PIC.
6608 * doc/tm.texi (FINALIZE_PIC): Remove.
6610 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6613 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6614 to the correct type if we have a MODIFY_EXPR.
6616 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6618 PR tree-optimization/22360
6619 * tree.c (upper_bound_in_type): Fix calculations for casting
6620 to a non-wider signed type and casting a signed value to a
6621 wider unsigned type.
6622 (lower_bound_in_type): Fix calculations for casting to a
6623 non-wider signed type.
6625 PR tree-optimization/20139
6626 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6628 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6629 fold_cond_expr_cond.
6630 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6631 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6633 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6636 * tree-complex.c (expand_complex_libcall): Produce
6637 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6639 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6641 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6642 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6643 b" assert and inserted fastpath code for this case.
6644 (bitmap_ior): Removed "a != b" assert.
6646 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6648 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6649 (ENDFILE_SPEC): Likewise.
6650 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6652 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6653 a large stack frame at epilogue.
6655 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6657 * final.c: Include sdbout.h when required.
6659 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6661 * config.gcc (*-*-darwin*): Only one target-specific header file
6663 (powerpc-*-darwin*): Add version-specific header files.
6664 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6665 * config.in: Regenerate.
6666 * configure: Regenerate.
6667 * gcc.c: Include xregex.h.
6668 (version_compare_spec_function): New.
6669 (spec_function): Add version-compare.
6670 (replace_outfile_spec_function): Reformat comment.
6671 (compare_version_strings): New.
6672 * config/darwin-c.c (version_as_macro): New.
6673 (builtin_define): New.
6674 (darwin_cpp_builtins): New.
6675 * config/darwin-protos.h (darwin_cpp_builtins): New.
6676 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6677 (LIB_SPEC): Make unconditional, update comment.
6678 (TARGET_C99_FUNCTIONS): Define.
6679 * config/darwin.opt: Sort.
6680 (mmacosx-version-min=): New.
6681 * config/darwin7.h: Delete.
6682 * config/darwin8.h: Delete.
6683 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6684 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6685 (TARGET_C99_FUNCTIONS): Define.
6686 * config/rs6000/darwin7.h: New.
6687 * config/rs6000/darwin8.h: New.
6688 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6689 (-mmacosx-version-min): Document.
6691 2005-07-07 Ian Lance Taylor <ian@airs.com>
6693 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6695 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6698 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6700 2005-07-07 Khem Raj <kraj@mvista.com>
6702 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6703 in bytes, not words.
6705 2005-07-07 Paul Brook <paul@codesourcery.com>
6707 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6708 DEFAULT_FUNCTION_ARG_PADDING to upward.
6710 2005-07-07 Richard Henderson <rth@redhat.com>
6712 * function.c (locate_and_pad_parm): Record parameter alignment in
6713 stack_alignment_needed.
6715 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6717 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6718 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6719 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6720 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6721 (define_attr "type"): Add isync, sync, load_l, store_c.
6722 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6723 Create scratch volatile MEM.
6724 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6726 (load_locked_<mode>): New.
6727 (store_conditional_<mode>): New.
6728 (sync_compare_and_swap<mode>): Replace with splitter.
6729 (sync_lock_test_and_set<mode>): Replace with splitter.
6730 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6732 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6733 is ics. Attribute isync.
6734 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6736 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6737 and UNSPECV_SYNC_OP.
6738 (emit_unlikely_jump): New.
6739 (emit_load_locked): New.
6740 (emit_store_conditional): New.
6741 (rs6000_split_compare_and_swap): New.
6742 (rs6000_split_lock_test_and_set): New.
6743 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6744 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6745 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6746 rs6000_split_lock_test_and_set): Declare.
6747 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6748 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6749 store_c, isync, sync.
6751 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6753 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6754 filenames to gtyp-gen.h.
6755 (s-typ-gen): Use it in place of for loops.
6757 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6759 * hooks.c (hook_bool_rtx_int_false): New function.
6760 * hooks.h (hook_bool_rtx_int_false): Declare.
6761 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6762 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6763 * target.h (struct gcc_target): Add commutative_p member.
6764 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6765 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6766 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6767 (pa_commutative_p): New function.
6768 * jump.c (target.h): Include.
6769 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6770 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6772 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6774 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6775 (s390_expand_setmem): New.
6776 * config/s390/s390.c: Likewise.
6777 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6779 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6780 general_operand. Call new function "s390_expand_setmem".
6781 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6782 ("setmem_long", "*setmem_long"): ... this.
6784 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6786 * config/s390/s390.c: (optimization_options): Enable
6787 TARGET_MVCLE at -Os.
6788 * doc/invoke.texi: Document changes in default behaviour.
6789 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6791 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6793 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6794 defined by back-end.
6796 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6798 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6799 all sets in the pattern.
6800 * config/rs6000/rs6000.md (stack_protect_testsi,
6801 stack_protect_testdi): Likewise.
6803 2005-07-06 Jeff Law <law@redhat.com>
6805 * tree-vrp.c (simplify_using_ranges): Kill.
6806 (vrp_finalize): Remove call to simplify_using_ranges.
6807 (simplify_stmt_using_ranges): New function extracted from
6808 simplify_using_ranges.
6809 (simplify_div_or_mod_using_ranges): Likewise.
6810 (simplify_abs_using_ranges): Likewise.
6811 (simplify_cond_using_ranges): New function.
6812 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6813 * tree-ssa-propagate.c (substitute_and_fold): Call
6814 simplify_stmt_using_ranges if we have range information.
6816 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6818 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6819 ia64_flag_schedule_isns2.
6821 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6822 reading/writing general registers.
6823 (ia64_function_arg): Revert 2005-06-18 change.
6825 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6827 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6828 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6830 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6832 * function.c (expand_function_end): Revert part of 2005-06-27
6833 patch. Do sjlj_emit_function_exit_after after return_label.
6835 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6837 * doc/install.texi (--disable-libssp): New.
6839 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
6841 * doc/invoke.texi: Update -fforce-mem documentation.
6842 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6843 code for -fforce-mem.
6844 * expmed.c: (store_bit_field,store_fixed_bit_field,
6845 extract_bit_field): Ditto.
6846 * expr.c: (convert_move): Ditto.
6847 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6848 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6849 emit_conditional_add,expand_float,expand_fix): Ditto.
6850 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6851 (common_handle_option): Issue warning when -fforce-mem specified.
6853 2005-07-06 Paul Brook <paul@codesourcery.com>
6855 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6857 * configure: Regenerate.
6859 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
6861 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6863 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
6865 Fix PR tree-optimization/22319
6866 Fix PR tree-optimization/22140
6867 Fix PR tree-optimization/22310
6869 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6870 variable sized types.
6871 Use correct type for intermediate structure on *a = *b structure
6874 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6876 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6878 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6879 (machine_function): Move typedef to...
6880 * config/rs6000/rs6000.c (machine_function): ... here. Add
6881 varargs_save_offset field.
6882 (rs6000_stack_t): Remove varargs_size field.
6883 (setup_incoming_varargs): Allocate varargs save area using
6884 assign_stack_local, try to make it as small as possible.
6885 Save offset from virtual_stack_vars_rtx to the save area
6886 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
6887 instead of magic 8 when fp word byte size is used.
6888 (rs6000_va_start): Use cfun->machine->varargs_save_offset
6889 instead of -RS6000_VARARGS_SIZE.
6890 (rs6000_stack_info, debug_stack_info,
6891 rs6000_initial_elimination_offset): Remove all traces of
6893 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6894 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6895 RS6000_VARARGS_AREA.
6897 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
6899 PR tree-optimization/21963
6900 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6901 constant_multiple_of in the same way get_computation_cost_at does.
6903 2005-07-06 Jakub Jelinek <jakub@redhat.com>
6905 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6906 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6907 (gen_compare_reg): If sparc_compare_emitted is set, clear it
6908 and return its previous value.
6909 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6910 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6912 (stack_protect_set, stack_protect_test): New expanders.
6913 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6914 stack_protect_testdi): New insns.
6915 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6916 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6918 2005-07-06 Jeff Law <law@redhat.com>
6920 * tree-ssa-dce.c (cfg_altered): New global.
6921 (tree_dce_init): Initialize cfg_altered.
6922 (remove_dead_stmt): If we remove an edge in the CFG, then set
6924 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6927 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
6929 * Makefile.in (stamp-collect-ld): Use
6930 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
6931 ./collect-ld if it already exists.
6932 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6933 Don't remove ./nm if it already exists.
6935 2005-07-05 Devang Patel <dpatel@apple.com>
6937 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6938 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6939 * tree-vectorizer.c (vect_loop_location): New.
6940 (vect_print_dump_info): Use vect_loop_location.
6941 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6942 (vectorize_loops): Set vect_loop_location.
6943 * tree-vect-analyze.c (vect_analyze_offset_expr,
6944 vect_determin_vectorization_factor, vect_analyze_operations,
6945 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6946 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6947 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6948 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6949 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6950 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6951 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6952 vect_analyze_loop): Adjust vect_print_dump_info API.
6953 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6954 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6955 vect_finish_stmt_generation, vectorizable_assignment,
6956 vectorizable_operation, vectorizable_store, vectorizable_load,
6957 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6958 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6959 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6960 vect_transform_loop): Same.
6961 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6962 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6965 2005-07-05 Randolph Chung <tausq@debian.org>
6967 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6968 * configure: Regenerate.
6969 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6970 (pa_tls_referenced_p): Declare.
6971 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6972 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6973 (legitimize_tls_address): New.
6974 (hppa_legitimize_address): Handle TLS addresses.
6975 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6976 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6977 (emit_move_sequence): Handle TLS addresses.
6978 (pa_encode_section_info): Call default handler to handle common
6980 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6981 (CONSTANT_ADDRESS_P): Reject TLS operands.
6982 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6983 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6984 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6985 (UNSPEC_TLSLE): Define new constants.
6986 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6987 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6988 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6989 (tie_symbolic_operand, tle_symbolic_operand): New
6991 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6993 * aclocal.m4: Update macros for autoconf 2.59 style.
6994 * configure.ac: Likewise.
6996 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6998 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6999 (function_arg): Pass small aggregates in general registers on 32-bit
7001 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7003 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
7005 * Makefile.in (final.o): Fix dependencies.
7007 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7011 * langhooks.h (struct lang_hooks): Add expr_to_decl.
7012 * langhooks.c (lhd_expr_to_decl): New.
7013 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7015 (LANG_HOOKS_INITIALIZER): Update.
7016 * tree.c (recompute_tree_invarant_for_addr_expr): Call
7017 expr_to_decl langhook.
7018 * c-tree.h (c_expr_to_decl): Declare.
7019 * c-typeck.c (c_expr_to_decl): New.
7020 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7022 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7024 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7027 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7028 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7030 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
7032 * Makefile.in: Adjust dependencies.
7033 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7034 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7035 * alias.c (rest_of_handle_cfg, pass_cfg): New.
7036 * bb-reorder.c (duplicate_computed_gotos): Make it static.
7037 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7038 rest_of_compilation.
7040 * bb-reorder.c (gate_duplicate_computed_gotos,
7041 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7042 rest_of_handle_reorder_blocks, pass_reorder_blocks,
7043 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7044 pass_partition_blocks): New.
7045 * bt-load.c (gate_handle_branch_target_load_optimize,
7046 rest_of_handle_branch_target_load_optimize,
7047 pass_branch_target_load_optimize): New.
7048 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7050 * cfglayout.c (pass_insn_locators_initialize): New.
7051 * cfgrtl.c (pass_free_cfg): New.
7052 * combine.c (gate_handle_combine, rest_of_handle_combine,
7054 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7055 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7056 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7057 * except.c (pass_set_nothrow_function_flags,
7058 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7060 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7061 rest_of_handle_shorten_branches, pass_shorten_branches,
7062 rest_of_clean_state, pass_clean_state): New.
7063 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7064 rest_of_handle_remove_death_notes, pass_remove_death_notes,
7065 rest_of_handle_life, pass_life, rest_of_handle_flow2,
7067 * function.c (pass_instantiate_virtual_regs, pass_init_function,
7068 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7069 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7070 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7072 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7073 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7074 pass_rtl_ifcvt, gate_handle_if_after_combine,
7075 rest_of_handle_if_after_combine, pass_if_after_combine,
7076 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7077 pass_if_after_reload): New.
7078 * integrate.c (pass_initial_value_sets): New.
7079 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7080 pass_purge_lineno_notes): New.
7081 * mode-switching.c (rest_of_handle_mode_switching,
7082 pass_mode_switching): New.
7083 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7084 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7086 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7087 pass_loop_optimize): New.
7088 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7090 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7092 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7093 pass_postreload_cse): New.
7094 * profile.c (gate_handle_profiling, pass_profiling,
7095 rest_of_handle_branch_prob, pass_branch_prob): New.
7096 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7097 pass_split_before_regstack, gate_handle_split_before_regstack,
7098 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7099 rest_of_handle_split_all_insns, pass_split_all_insns): New.
7100 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7101 pass_stack_regs): New.
7102 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7103 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7104 pass_stack_adjustments): New.
7105 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7106 pass_regrename): New.
7107 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7108 pass_delay_slots, gate_handle_machine_reorg,
7109 rest_of_handle_machine_reorg, pass_machine_reorg): New.
7110 * rtl.h (extern void purge_line_number_notes): New.
7111 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7112 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7114 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7116 * value-prof.c (gate_handle_value_profile_transformations,
7117 rest_of_handle_value_profile_transformations,
7118 pass_value_profile_transformations): New.
7119 * var-tracking.c (gate_handle_var_tracking,
7120 pass_variable_tracking): New.
7121 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7123 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7124 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7125 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7126 rest_of_handle_old_regalloc, rest_of_handle_regrename,
7127 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7128 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7129 rest_of_handle_gcse2, rest_of_handle_regmove,
7130 rest_of_handle_tracer, rest_of_handle_if_conversion,
7131 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7132 rest_of_handle_web, rest_of_handle_branch_prob,
7133 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7134 rest_of_handle_jump_bypass, rest_of_handle_combine,
7135 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7136 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7137 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7138 rest_of_handle_mode_switching, rest_of_handle_jump,
7139 rest_of_handle_eh, rest_of_handle_stack_adjustments,
7140 rest_of_handle_flow2, rest_of_handle_jump2,
7141 rest_of_handle_peephole2, rest_of_handle_postreload,
7142 rest_of_handle_shorten_branches, rest_of_clean_state,
7143 rest_of_compilation): Remove.
7145 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7146 * passes.c (dump_flags, in_gimple_form, all_passes,
7147 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7148 register_dump_files, next_pass_1, last_verified, execute_todo,
7149 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7150 from tree-optimize.c.
7151 (init_optimization_passes): Moved from tree-optimize.c,
7152 adding the RTL optimizations.
7153 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7154 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7155 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7156 register_dump_files, next_pass_1, last_verified, execute_todo,
7157 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7158 init_tree_optimization_passes, ipa_passes): Delete.
7159 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7161 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7162 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7164 (ipa_passes): Remove.
7165 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7166 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7167 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7168 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7169 (dump_info_p, dump_flag): Moved to tree-dump.h.
7171 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7173 * passes.c (finish_optimization_passes): Use dump_begin
7174 and dump_end, TDI_end.
7175 (gate_rest_of_compilation): New.
7176 (pass_rest_of_compilation): Use it.
7177 (gate_postreload, pass_postreload): New.
7178 * toplev.c (general_init): Rename init_tree_optimization_passes.
7179 * toplev.h (init_tree_optimization_passes): Rename to
7180 init_optimizations_passes.
7181 * tree-dump.c (dump_flag): Make static.
7182 (dump_files): Remove RTL dumps.
7183 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7184 pass_cleanup_cfg, pass_free_cfg_annotations,
7185 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7186 pass_init_datastructures, pass_fixup_cfg): Make non-static.
7187 * tree-pretty-print.c: Include tree-pass.h.
7188 * cgraph.c: Include tree-dump.h.
7190 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7192 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7193 Only fall back to saying it points to readonly memory if
7196 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7198 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7199 * config/m32r/m32r.c (m32r_compute_frame_size,
7200 m32r_expand_prologue): Take current_function_profile into
7201 account whenever we reference
7202 current_function_uses_pic_offset_table.
7203 (m32r_finalize_pic): Remove.
7204 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7206 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
7208 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7209 instead of $<. Don't remove ./as if it already exists.
7211 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7214 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7215 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7216 for complex modes when generating code for PA 1.0.
7217 (VALID_FP_MODE_P): New macro.
7218 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7219 sets for all general and floating point modes. Align wide floating
7220 point modes to even register boundaries to comply with architectural
7222 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7223 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7224 (VALID_FP_MODE_P): New macro.
7225 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7226 sets for all general and floating point modes. Align wide floating
7227 point modes to even register boundaries to comply with architectural
7230 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7232 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7235 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7237 * tree-ssa-structalias.c: Don't include expr.h.
7239 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7241 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7244 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7246 Fix PR tree-optimization/22279
7248 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7251 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7253 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7255 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7257 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7258 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7259 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7260 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7261 config/stormy16/stormy16.c, config/v850/v850.c,
7262 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7263 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7264 Avoid "." or "\n" at end of diagnostics and capital letters at
7265 start of diagnostics.
7266 * combine.c, cse.c: Don't translate dump file output.
7267 * toplev.c (print_version): Only translate output if going to
7270 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7272 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7273 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7276 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7278 * pa.c (fix_range): Fix typo in comment.
7280 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7282 * tree-vrp.c (extract_range_from_assert): Replace
7283 fold (build (...)) with fold_build2.
7285 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7287 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7288 gcc_gfc_char_table, init_dynamic_gfc_info): New.
7289 (format_types_orig, handle_format_attribute): Add support for
7292 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
7294 * varasm.c (assemble_variable): Fix format specifier thinko.
7296 2005-07-03 Ira Rosen <irar@il.ibm.com>
7298 PR tree-optimization/22029 (and 22135)
7299 * tree-pretty-print.c (dump_generic_node): Check that the node is not
7300 a phi node before calling dump_vops.
7302 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7304 * tree-dump.h (dump_string_field): Declare.
7305 * tree-dump.c: Use it instead of dump_string.
7306 (dump_string_field): Make non-static.
7308 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
7310 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7311 up the minimal CFG stuff always when optimize > 0. Call
7312 split_all_insns_noflow in PIC case if needed.
7314 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7315 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7318 * c-decl.c (c_write_global_declarations): Dump contents of
7320 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7321 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7322 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7323 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7326 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7328 * c-common.h (GCC_DIAG_STYLE): Define.
7329 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7330 version for format checking to 4.1.
7331 * c-format.c: Include toplev.h after c-common.h.
7332 (enum format_type): Add gcc_tdiag_format_type.
7333 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7334 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7335 (format_types_orig): Add gcc_tdiag.
7336 (init_dynamic_diag_info): Support gcc_tdiag formats.
7337 (handle_format_attribute): Likewise.
7338 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7339 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7340 version for format checking to 4.1.
7341 (warning0, warning, error, pedwarn, sorry): Use
7343 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7344 (finish_aliases_1): Do not use %qE.
7345 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7346 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7347 Correct format bugs.
7348 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7349 parameter to unsigned HOST_WIDE_INT.
7350 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7352 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7355 * expr.c (write_complex_part): Use adjust_address for MEM.
7356 (read_complex_part): Same.
7358 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7360 Fix PR tree-optimization/22280
7362 * tree-sra.c (generate_element_init): Remove useless loop.
7364 2005-07-02 Richard Henderson <rth@redhat.com>
7366 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7368 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7370 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7373 * fold-const.c (fold_binary): Handle the return value of
7374 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7375 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7377 2005-07-02 Jeff Law <law@redhat.com>
7379 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7380 a eliminate type conversion which feeds an equality comparison
7381 if the original type or either operand in the comparison is a
7384 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7386 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7387 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7389 * config/avr/avr.c: Do not use '`' as left quote.
7390 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7391 Remove "." from end of diagnostics. Make diagnostics start with
7394 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7395 Joseph S. Myers <joseph@codesourcery.com>
7397 * toplev.c (default_tree_printer): Handle setting location with
7399 * c-objc.common.c (c_tree_printer): Likewise.
7400 * c-format.c (gcc_diag_flag_specs): Add '+'.
7401 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7402 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7404 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7405 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7406 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7407 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7408 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7409 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7410 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7411 format arguments where %J is used without %D.
7413 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7415 * gcc.c (LINK_SSP_SPEC): Define.
7416 (link_ssp_spec): New variable.
7417 (LINK_COMMAND_SPEC): Add %(link_ssp).
7418 (static_specs): Add link_ssp_spec.
7419 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7420 * configure: Rebuilt.
7421 * config.in: Rebuilt.
7423 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7424 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7425 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7426 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7427 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7428 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7429 -0x7008(2) instead of reading __stack_chk_guard variable.
7430 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7432 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7433 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7434 if TARGET_THREAD_SSP_OFFSET is defined.
7435 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7436 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7439 2005-06-27 Richard Henderson <rth@redhat.com>
7440 * libgcc-std.ver (GCC_4.1.0): New.
7441 * libgcc.h (__stack_chk_guard): Declare.
7442 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7443 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7444 * mklibgcc.in (lib2funcs): Add them.
7446 2005-07-01 Richard Henderson <rth@redhat.com>
7448 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7449 void * before struct sigcontext *.
7450 (x86_fallback_frame_state): Likewise.
7452 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7454 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7456 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7459 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7460 we check for SSA_NAME for.
7462 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7464 Fix PR tree-optimization/22071
7466 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7468 (get_constraint_for_component_ref): Use it.
7470 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7473 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7474 print out the last new line.
7476 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7478 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7479 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7480 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7481 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7482 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7483 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7484 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7485 (enum reg_class): New member CC0_REGS.
7486 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7487 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7488 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7489 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7490 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7491 Adjust for register now described.
7493 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7496 * config/i386/i386.md (stack_protect_test_si,
7497 stack_protect_test_di): Add earlyclobber for scratch 3.
7498 * config/rs6000/rs6000.md (stack_protect_testsi,
7499 stack_protect_testdi): Add earlyclobber for scratch 3,
7500 remove earlyclobber from scratch 4.
7502 Older entries for 2005 can be found in ChangeLog-2005.