1 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
3 * config/s390/s390.md: Comment describing output modifiers updated.
4 * config/s390/s390.c (print_operand): Likewise.
6 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
8 * config/s390/s390.c (override_options): Added check for -mstack-size
10 * doc/invoke.texi: Mention that limit in the documenation.
12 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
15 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
17 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
19 Fix PR tree-optimization/24231
21 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
22 (compute_avail): Ditto.
24 2005-10-18 Richard Henderson <rth@redhat.com>
27 * config/i386/i386.c (legitimate_constant_p): Check
28 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
30 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
31 (legitimate_pic_address_disp_p): Reorg CONST checking to make
32 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
34 (print_operand_address): Likewise.
35 * config/i386/predicates.md (x86_64_immediate_operand): Test
36 SYMBOL_REF_TLS_MODEL properly inside CONST.
37 (x86_64_zext_immediate_operand): Likewise.
38 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
39 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
40 * config/i386/i386-protos.h: Remove predicates.md entries.
42 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
44 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
45 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
47 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
48 Ian Lance Taylor <ian@airs.com>
51 * fold-const.c (fold_widened_comparison): Do not allow range based
52 constant folding when right operand cannot be unwidened.
54 2005-10-17 Richard Henderson <rth@redhat.com>
56 * builtins.c (expand_builtin_synchronize): Build a new-style asm
57 with a memory clobber.
59 2005-10-17 James E Wilson <wilson@specifix.com>
61 PR rtl-optimization/17356
62 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
65 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
67 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
68 the slot on an even boundary for any type with 16-byte alignment.
70 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
73 * md.texi (Modifiers) <%>: Clarify that % doesn't work
74 after register allocation.
76 2005-10-17 DJ Delorie <dj@redhat.com>
78 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
81 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
84 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
87 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
89 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
90 to 2 if it's already non-zero.
91 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
92 is set and warn about it if flag_schedule_insns is 1.
94 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
96 * config/crx/crx.md: Compare-and-branch instructions need to
99 2005-10-17 Uros Bizjak <uros@kss-loka.si>
102 * config/i386/i386.md (*pushdi2_rex64 splitter)
103 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
104 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
105 flow2 pass only when (optimize > 0 && flag_peephole2).
107 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
110 * gcc.c (have_c): New static variable.
112 (process_command): Remove declation of have_c.
113 Set have_o to 1 when handling -o.
114 (main): Add a fatel error if there are multiple
115 files specified and -o and -c/-S is passed witout
116 -combine or multiple languages.
118 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
120 Fix PR tree-optimization/22444
121 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
122 Assert that we don't hit something with subvars.
123 (setup_pointers_and_addressables): Don't add things with subvars,
124 because we'll already process the subvars for aliasing purposes.
126 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
129 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
130 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
131 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
132 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
133 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
134 swapped, alternatives for the R constraint.
137 * builtins.c (get_builtin_sync_mode): Make unlimited
138 mode_for_size request.
140 2005-10-15 Richard Henderson <rth@redhat.com>
142 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
143 (gimplify_expr): ... here.
144 (gimplify_compound_lval): Use it in initial scan loop. Allow
145 fb_lvalue in base expression.
147 2005-10-15 Richard Henderson <rth@redhat.com>
150 * builtins.c (expand_builtin_trap): Export.
151 * expr.h (expand_builtin_trap): Declare.
152 * expr.c (expand_assignment): Emit a trap for integral offsets
153 from registers that weren't reduced to bitpos.
155 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
156 (mark_array_ref_addressable): Remove.
157 * tree-flow.h (mark_array_ref_addressable): Remove.
158 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
160 2005-10-15 James E Wilson <wilson@specifix.com>
163 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
164 (add_dependence_list_and_free): Likewise.
165 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
168 2005-10-15 Diego Novillo <dnovillo@redhat.com>
172 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
173 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
175 (vrp_visit_phi_node): Only prevent infinite iterations when
176 the previous result and the new result are both VR_RANGEs.
178 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
180 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
183 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
186 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
189 2005-10-14 Per Bothner <per@bothner.com>
191 PR preprocessor/21250
192 * c-ppoutput.c (print_line): Print internal line 0 as 1.
194 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
197 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
198 overflow flags. Refactor some conditionals.
200 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
203 * tree-dfa.c (add_referenced_var): Only look at decls which
204 have TREE_CONSTANT or TREE_READONLY set instead of if
205 !TREE_PUBLIC or !TREE_CONSTANT.
207 2005-10-13 James E Wilson <wilson@specifix.com>
209 * doc/invoke.texi: For -x, add f95-cpp-input.
210 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
212 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
214 PR tree-optimization/24262
215 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
216 in loop all the time.
218 2005-10-12 Richard Henderson <rth@redhat.com>
221 * tree.h (DECL_TRANSPARENT_UNION): Remove.
222 * function.c (assign_parm_find_data_types): Don't support it.
223 * print-tree.c (print_node): Likewise.
224 * c-common.c (handle_transparent_union_attribute): Likewise.
225 Use build_duplicate_type.
226 * tree-inline.c (remap_type_1): Split out of remap_type;
227 properly remap aggregate fields.
228 (build_duplicate_type): New.
229 * doc/extend.texi (Variable Attributes): Remove documentation
230 for transparent_union.
232 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
235 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
236 (gen_stack_pointer_dec): Likewise.
238 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
242 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
244 (struct cxx): Add adjust_class_at_definition target hook.
245 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
246 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
247 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
248 hook_void_tree. Add to TARGET_CXX.
249 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
251 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
252 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
253 instead of attribute. Check for dllexport override. Warn if
254 inconsistent dll linkage. Don't lose old dllimport if decl has
255 had address referenced. Tweak lookup of dllimport atribute.
256 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
257 for target specific rules. Don't add dllimport attribute if
258 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
260 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
261 * varasm.c (initializer_constant_valid_p): Replace
262 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
266 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
267 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
268 (i[34567]86-*-mingw32*): Likewise.
270 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
271 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
273 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
274 C++-specific code. Change return value to bool.
275 (i386_pe_dllimport_p): Likewise.
276 (associated_type): Simplify and make language-independent
277 (i386_pe_encode_section_info): Replace override of ambiguous
278 dllimport symbol refs with a gcc_assert.
279 (i386_pe_valid_dllimport_attribute_p): Define.
280 * config/i386/winnt-cxx.c: New file. Define C++ versions of
281 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
282 i386_pe_adjust_class_at_definition.
283 * config/i386/winnt-stubs.c: New file. Define stub versions of
284 lang-specific functions.
285 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
286 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
287 i386_pe_adjust_class_at_definition.
288 (i386_pe_valid_dllimport_attribute_p): Declare.
289 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
290 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
291 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
294 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
295 dllimport attribute with test of DECL_DLLIMPORT_P.
297 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
299 * combine.c (make_extraction): Correct offset computation.
301 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
303 * config/cris/t-linux (LIMITS_H_TEST): Define.
305 2005-10-12 Richard Henderson <rth@redhat.com>
308 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
310 2005-10-12 Richard Guenther <rguenther@suse.de>
312 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
314 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
317 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
318 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
321 2005-10-12 Richard Guenther <rguenther@suse.de>
324 * varasm.c (output_constant): Correct typo from previous
327 2005-10-11 Ian Lance Taylor <ian@airs.com>
329 PR rtl-optimization/13931
330 * combine.c: Revert patch of 2003-05-14, and:
331 (try_combine): Only set elim_i1 and elim_i2 if the destination is
332 completely killed in the appropriate insn.
333 (distribute_notes): Don't skip multiple hard register test for
336 2005-10-11 Richard Henderson <rth@redhat.com>
339 * c-typeck.c (convert_for_assignment): Use build_constructor_single
340 to initialize a transparent union instead of a nop_expr.
342 2005-10-11 Richard Henderson <rth@redhat.com>
344 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
345 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
346 (tree_ssa_dce_loop): Call scev_reset.
349 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
350 * tree-ssa-dce.c: Include cfgloop.h.
351 (tree_ssa_dce_loop, pass_dce_loop): New.
352 * tree-pass.h (pass_dce_loop): Declare it.
353 * passes.c (init_optimization_passes): Use it.
355 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
358 * convert.c (convert_to_real): Revert 2005-10-05 patch.
359 Only apply the optimization for rounding builtins if the inner
360 cast is also an extension.
362 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
365 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
366 mark_new_vars_to_rename instead of update_stmt.
368 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
370 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
372 2005-10-11 Jakub Jelinek <jakub@redhat.com>
374 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
375 for setting MMX register to 0 rather than mmx.
377 2005-10-10 Steve Ellcey <sje@cup.hp.com>
380 * configure.ac: Move gas check from mips specific case to common case.
381 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
382 * configure: Regenerate
383 * doc/install.texi: Update.
385 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
388 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
390 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
392 * gcc.c (do_spec_1): Accept numeric characters in file name
395 2005-10-10 Nick Clifton <nickc@redhat.com>
397 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
398 describing the deleted arm_gen_rotated_half_load function.
400 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
402 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
405 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
407 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
409 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
410 (EXTRA_MULTILIB_PARTS): Define.
411 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
412 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
413 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
414 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
415 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
416 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
418 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
420 PR tree-optimization/24226
421 * tree-cfg.c (remove_bb): Clean up unreachable loops.
422 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
423 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
426 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
428 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
430 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
433 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
434 Rewrite for no need for the early clobber.
436 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
438 Merge from csl-arm-branch:
439 2005-09-07 Paul Brook <paul@codesourcery.com>
440 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
443 2005-04-30 Paul Brook <paul@codesourcery.com>
444 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
445 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
447 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
448 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
449 (arm_override_options): Use TARGET_AAPCS_BASED.
450 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
451 (PTRDIFF_TYPE): Use int for AAPCS.
452 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
453 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
454 (DEFAULT_SHORT_ENUMS): Delete.
455 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
457 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
458 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
459 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
460 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
462 2004-12-03 Mark Mitchell <mark@codesourcery.com>
463 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
465 2004-11-22 Mark Mitchell <mark@codesourcery.com>
466 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
468 2004-11-19 Mark Mitchell <mark@codesourcery.com>
469 * config.gcc (arm*-*-linux-gnueabi): Add it.
470 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
472 (TARGET_OS_CPP_BUILTINS): Likeiwse.
473 * config/arm/linux-eabi.h: New file.
474 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
475 (LINUX_TARET_LINK_SPEC): Likewise.
477 * config/arm/t-linux-eabi: New file.
479 2005-10-08 Steven Bosscher <stevenb@suse.de>
482 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
484 (PARAM_SMS_DFA_HISTORY): Likewise.
486 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
489 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
490 (load_register_parameters): Call it.
491 (check_sibcall_argument_overlap_1): Likewise.
492 (store_one_arg): Likewise.
494 2005-10-07 James E. Wilson <wilson@specifix.com>
496 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
497 DImode not VECINT24 for operand 2.
500 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
504 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
505 fr_spill): Use destination_operand for operand 0.
507 2005-10-07 DJ Delorie <dj@redhat.com>
509 * varasm.c (output_constant): Limit error to expanding
512 2005-10-07 Richard Guenther <rguenther@suse.de>
515 * fold-const.c (fold_binary): Fix operand types during folding
516 of X op (A, Y). Evaluation order of the side-effects of
517 X and A are frontend-defined, so ensure we honour that even for
518 tcc_comparison class operands; eased by removing duplicate code.
520 2005-10-07 Steve Ellcey <sje@cup.hp.com>
522 * stor-layout.c (layout_type): Do not allow alignment of array
523 elements to be greater than their size.
525 2005-10-07 Steve Ellcey <sje@cup.hp.com>
527 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
529 (hppa*-*-linux*): Ditto.
530 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
531 * config/host-hpux.c: New.
532 * config/x-hpux: New.
533 * config/pa/x-hpux: Remove.
534 * config/pa/x-linux: Remove.
535 * config/pa/pa-host.c: Remove.
537 2005-10-07 Jeff Law <law@redhat.com>
539 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
540 determine whether or not to try and thread outgoing edges.
542 2005-10-07 David Edelsohn <edelsohn@gnu.org>
544 * config/rs6000/rs6000.md (eqsi_power): New.
545 (neg_eq0si): Add TARGET_POWER to final condition.
548 2005-10-06 Richard Henderson <rth@redhat.com>
550 * config/rs6000/rs6000.c: Revert last change.
552 2005-10-06 Richard Henderson <rth@redhat.com>
554 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
555 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
557 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
561 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
562 out return_label and naked_return_label.
564 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
566 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
569 2005-10-06 Richard Henderson <rth@redhat.com>
572 * tree-inline.c (declare_return_variable): Handle modify_dest not
575 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
577 Fix PR tree-optimization/22488
578 * tree-ssa-structalias.c (check_for_overlaps): New function.
579 (create_variable_info_for): Use it.
581 2005-10-06 Richard Henderson <rth@redhat.com>
584 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
585 (dwarf2out_start_source_file): Print it.
587 2005-10-06 Geoffrey Keating <geoffk@apple.com>
589 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
591 2005-10-06 Richard Henderson <rth@redhat.com>
594 * mode-switching.c (optimize_mode_switching): Clear transp bit
595 for block with incomming abnormal edges.
597 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
598 (fpscr_set_from_mem): Use them.
599 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
600 (fpscr postinc splitters): Rewrite as peephole2+split.
602 2005-10-06 David Edelsohn <edelsohn@gnu.org>
604 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
605 (eq<mode>_compare): Same.
607 2005-10-06 Richard Guenther <rguenther@suse.de>
609 PR tree-optimization/24238
610 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
612 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
614 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
615 here. Use AC_PATH_PROG for environment variables instead of
617 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
619 * configure: Regenerated.
621 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
624 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
625 then force it into a register.
626 (call_value): Likewise.
628 2005-10-06 Richard Henderson <rth@redhat.com>
631 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
632 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
633 under pass_vectorize.
635 2005-10-05 Devang Patel <dpatel@apple.com>
638 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
639 handling constants. Check NAMESPACE_DECL context for constants.
641 2005-10-05 Eric Christopher <echristo@apple.com>
643 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
645 2005-10-05 Richard Henderson <rth@redhat.com>
648 * tree-cfg.c (mark_array_ref_addressable_1): New.
649 (mark_array_ref_addressable): New.
650 * tree-flow.h (mark_array_ref_addressable): Declare.
651 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
653 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
657 * reload.c (subst_reloads): When adding a REG_LABEL to a
658 jump instruction, also update JUMP_LABEL.
660 2005-10-05 David Edelsohn <edelsohn@gnu.org>
662 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
663 * bb-reorder.c (copy_bb_p): Use it.
664 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
666 2005-10-05 Richard Henderson <rth@redhat.com>
669 * toplev.c (process_options): Warn about unsupported combinations
670 of unwind tables and omit-frame-pointer.
671 * config/i386/i386.c (override_options): Similarly. Enable
672 accumulate-outgoing-args if not explicitly disabled.
674 2005-10-05 Steve Ellcey <sje@cup.hp.com>
676 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
677 Handle big endian vs. small endian.
678 (vec_initv2sf): Handle big endian vs. small endian.
679 (*vec_extractv2sf_1): Ditto.
681 2005-10-05 Dale Johannesen <dalej@apple.com>
683 * convert.c (convert_to_real): Don't convert
684 (float)floor(double d) to floorf((float)d).
686 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
688 * config/arm/arm.md (insv): Use gen_int_mode in more places.
690 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
692 PR tree-optimization/18587
693 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
694 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
695 build_vuses): Change to VEC type.
696 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
697 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
698 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
699 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
700 (get_name_decl): New. Return DECL_UID of base variable.
701 (operand_build_cmp): New. qsort comparison routine.
702 (operand_build_sort_virtual): New. Sort virtual build vector.
703 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
704 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
705 (FINALIZE_BASE): Use get_name_decl.
706 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
707 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
708 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
709 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
710 direct VEC_* manipulations.
711 (build_ssa_operands): Call operand_build_sort_virtual.
712 (copy_virtual_operand, create_ssa_artficial_load_stmt,
713 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
714 with direct VEC_* manipulations.
715 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
716 with direct VEC manipulations.
718 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
720 PR tree-optimization/21419
721 PR tree-optimization/24146
722 PR tree-optimization/24151
724 * c-typeck.c (readonly_error): Handle USE being lv_asm.
725 (build_asm_expr): Call it if outputs are read-only.
726 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
728 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
729 Paolo Bonzini <bonzini@gnu.org>
733 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
734 enable the instructions and not just the built-ins.
735 * doc/invoke.texi (x86 Options): Likewise.
737 2005-10-04 Geoffrey Keating <geoffk@apple.com>
739 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
741 * doc/invoke.texi (Option Summary): Correct spelling
742 of -mmacosx-version-min.
744 2005-10-04 Devang Patel <dpatel@apple.com>
746 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
749 2005-10-04 Steve Ellcey <sje@cup.hp.com>
751 * tree-vect-transform.c (vect_create_epilog_for_reduction):
752 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
754 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
756 * config/s390/s390.md ("TDSI","DP"): New mode macros.
757 ("TE","tg"): New mode attributes.
758 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
759 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
760 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
761 dword_mode and one for GPRmode.
763 2005-10-04 Ian Lance Taylor <ian@airs.com>
765 PR preprocessor/13726
766 * c-ppoutput.c (cb_include): Add comments parameter, and print out
767 any comments passed in.
769 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
771 * tree.c (annotate_with_file_line): Fix typo.
773 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
776 * builtins.c (fold_builtin_memcmp): When constructing the pointer
777 type used to access data in the inlined length == 1 case, use
778 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
779 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
781 2005-10-04 Uros Bizjak <uros@kss-loka.si>
783 * config/i386/i386.h (TARGET_FISTTP): Enable also for
784 TARGET_SSE3 and only for TARGET_80387.
785 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
786 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
787 Do not depend on TARGET_80387.
789 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
791 * tree.c (last_annotated_node): Change type to location_t*.
792 (annotate_with_file_line): Reflect the change of
793 last_annotated_node type.
795 2005-10-04 Richard Guenther <rguenther@suse.de>
798 * c-decl.c (grokdeclarator): Don't write to fields
801 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
804 * c-decl.c (finish_decl): Use set_user_assembler_name even for
806 * varasm.c (make_decl_rtl): If a register variable does not
807 have a set user assmbler name, error out.
808 Decode the asmspec is now name+1 bypassing '*'.
810 2005-10-04 Steven Bosscher <stevenb@suse.de>
812 PR tree-optimization/23049
813 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
814 of a COND_EXPR is folded before calling fold on the whole rhs of a
815 conditional assignment.
816 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
817 document that a COND_EXPR may appear there.
819 2005-10-03 Diego Novillo <dnovillo@redhat.com>
822 * tree-vrp.c (extract_range_from_assert): If the new numeric
823 range created out of the assertion contradicts the existing
824 numeric range of the ASSERT_EXPR variable, make the new range
827 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
829 * config/sh/sh.c (sh_register_move_cost): Add case for moving
830 from T_REGS to FP register class.
832 2005-10-03 Richard Henderson <rth@redhat.com>
835 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
836 before creating a new one.
838 2005-10-03 David Edelsohn <edelsohn@gnu.org>
840 * config/rs6000/t-aix43 (LDFLAGS): New.
841 * config/rs6000/t-aix52 (LDFLAGS): New.
843 2005-10-03 Ian Lance Taylor <ian@airs.com>
845 * gimplify.c (find_single_pointer_decl_1): New static function.
846 (find_single_pointer_decl): New static function.
847 (internal_get_tmp_var): For a formal variable, set restrict base
848 information if appropriate.
849 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
851 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
852 (DECL_GET_RESTRICT_BASE): Define.
853 (SET_DECL_RESTRICT_BASE): Define.
854 (decl_restrict_base_lookup): Declare.
855 (decl_restrict_base_insert): Declare.
856 (struct tree_decl_with_vis): Add based_on_restrict_p field.
857 * tree.c (restrict_base_for_decl): New static variable.
858 (init_ttree): Initialize restrict_base_for_decl.
859 (copy_node_stat): Copy restrict base information.
860 (decl_restrict_base_lookup): New function.
861 (decl_restrict_base_insert): New function.
862 (print_restrict_base_statistics): New static function.
863 (dump_tree_statistics): Call print_restrict_base_statistics.
865 2005-10-02 Diego Novillo <dnovillo@redhat.com>
868 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
871 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
874 * c-typeck.c (tagged_tu_seen): Rename to ...
875 (tagged_tu_seen_cache): this and add val field.
876 (comptypes): Move functional to comptypes_internal
877 and free tagged_tu_seen.
878 (comptypes_internal): New function and call comptypes_internal
879 instead of comptypes. Speed up by sibcalling
880 tagged_types_tu_compatible_p.
881 (alloc_tagged_tu_seen): New function
882 (free_all_tagged_tu_seen_up_to): New function.
883 (tagged_types_tu_compatible_p): Return the val of the seen two
885 Add that the two types are the same to tagged_tu_seen_base
886 if they are and call comptypes_internal instead of comptypes.
887 <case UNION_TYPE>: Speed up common type where the fields are
889 (function_types_compatible_p): Call comptypes_internal instead of
891 (type_lists_compatible_p): Likewise.
892 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
894 2005-10-02 Matthias Klose <doko@debian.org>
896 * doc/invoke.texi: Fix typo and speling error.
898 2005-10-01 Richard Henderson <rth@redhat.com>
900 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
902 2005-10-01 Mark Mitchell <mark@codesourcery.com>
904 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
905 using --start-group and --end-group.
907 2005-10-01 Diego Novillo <dnovillo@redhat.com>
909 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
910 FIXME note regarding quirky semantics.
912 2005-10-01 Diego Novillo <dnovillo@redhat.com>
915 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
916 non-null range as a last resort.
918 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
919 Diego Novillo <dnovillo@redhat.com>
922 * tree-vrp.c (extract_range_from_assert): For !=
923 assertions, only build an anti-range if LIMIT is a
926 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
928 * arm.md (movqi): On thumb when optimizing, handle loading from
929 memory by describing this as taking a subreg of a zero-extended load
930 into an SImode register.
933 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
935 * reload1.c (merge_assigned_reloads): Do not change any
936 RELOAD_FOR_OUTPUT_ADDRESS reloads.
938 2005-09-30 Geoffrey Keating <geoffk@apple.com>
940 * Makefile.in (LIPO_FOR_TARGET): Define.
941 (STRIP_FOR_TARGET): Define.
943 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
944 before creating new ones. Do symlinks before creating the actual
947 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
948 to work out which multilibs are actually being built.
950 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
952 * tree-vect-transform.c, config/ms1/ms1.md,
953 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
954 Follow spelling conventions.
955 * doc/invoke.texi, doc/md.texi: Fix typos.
957 2005-09-30 Andrew Macleod <amacleod@redat.com>
959 PR tree-optimization/21430
960 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
961 use operands, and set stmt pointer if need be.
962 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
963 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
966 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
969 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
971 2005-09-29 Mark Mitchell <mark@codesourcery.com>
973 * optabs.c (expand_binop): Initialize first_pass_p.
975 2005-09-29 Jakub Jelinek <jakub@redhat.com>
978 * c-decl.c (c_write_global_declarations_1): If any
979 wrapup_global_declaration_2 call returned true, restart the loop.
981 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
983 Fix PR tree-optimization/24117
984 * tree-ssa-structalias.c (find_func_aliases): Strip nops
985 before considering whether to use anyoffset.
987 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
991 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
993 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
995 (swap_commutative_operands_with_target): New.
997 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1000 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1003 2005-09-29 Steven Bosscher <stevenb@suse.de>
1005 PR tree-optimization/23911
1006 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1007 and IMAGPART_EXPR too.
1009 2005-09-28 Mark Mitchell <mark@codesourcery.com>
1012 * expmed.c (expand_shift): Move logic to reverse rotation
1013 direction when rotating by constants ...
1014 * optabs.c (expand_binop): ... here.
1015 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1016 (ix86_rotrdi3): New pattern.
1017 (rotldi3): Handle 32-bit mode.
1018 (ix86_rotldi3): New pattern.
1020 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1023 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1024 check for numbers that need no bit twiddle.
1026 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1028 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1029 multilib to be built.
1031 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1032 (stage1-start): Delete old libgcc and libunwind before moving
1033 anything into the stage directory.
1034 (stage2-start): Likewise.
1035 (stage3-start): Likewise.
1036 (stage4-start): Likewise.
1037 (stageprofile-start): Likewise.
1038 (stagefeedback-start): Likewise.
1039 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1040 header in tm_file and CPU-specific t-darwin in tmake_file.
1041 (i[34567]86-*-darwin*): Don't change tm_file.
1042 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1043 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1044 shared library stub for target OS version.
1045 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1046 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1047 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1048 (libgcc_s.%.dylib): New.
1050 (install-darwin-libgcc-stubs): New.
1051 (INSTALL_LIBGCC): New append.
1052 * config/i386/darwin-libgcc.10.4.ver: New.
1053 * config/i386/darwin-libgcc.10.5.ver: New.
1054 * config/i386/t-darwin: New.
1055 * config/rs6000/darwin-libgcc.10.4.ver: New.
1056 * config/rs6000/darwin-libgcc.10.5.ver: New.
1057 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1058 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1060 2005-09-28 Paul Brook <paul@codesourcery.com>
1062 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1065 2005-09-28 Richard Guenther <rguenther@suse.de>
1067 PR tree-optimization/23853
1068 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1069 host_integerp to verify misalignment value.
1071 2005-09-28 Richard Henderson <rth@redhat.com>
1073 * builtins.c (get_builtin_sync_mode): New.
1074 (expand_builtin_sync_operation): Pass in mode argument.
1075 (expand_builtin_compare_and_swap): Likewise.
1076 (expand_builtin_lock_test_and_set): Likewise.
1077 (expand_builtin_lock_release): Likewise.
1078 (expand_builtin): Update to match.
1080 2005-09-28 Nick Clifton <nickc@redhat.com>
1082 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1083 formatting. Add check to PLUS case to ensure that the offset is
1084 within an acceptable range.
1086 * config/v850/v850.md (casesi): Disable the generation of the
1087 switch pattern as it is not being handled properly at the moment.
1089 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1090 for when the high words are identical.
1092 2005-09-27 Richard Henderson <rth@redhat.com>
1094 * pretty-print.c (pp_base_format): Fix typo for %>.
1096 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1097 Devang Patel <dpatel@apple.com>
1099 PR tree-optimization/23625
1100 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1101 LABEL_EXPR, assertion check.
1103 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1105 * optabs.c (no_conflict_move_test): Check if a result of a
1106 to-be-moved insn would be clobbered by an originally
1109 2005-09-27 Jeff Law <law@redhat.com>
1111 * passes.c (init_optimization_passes): Replace copy propagation
1112 passes immediately after DOM with phi-only copy propagation
1113 pases. Add phi-only copy propagation pass after first DOM pass.
1114 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1115 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1116 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1117 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1118 to init_copy_prop. Callers updated.
1119 (do_phi_only_copy_prop): New function.
1120 (pass_phi_only_copy_prop): New pass descriptor.
1122 2005-09-27 Nick Clifton <nickc@redhat.com>
1124 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1126 2005-09-26 Jason Merrill <jason@redhat.com>
1129 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1131 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1133 2005-09-26 James E Wilson <wilson@specifix.com>
1135 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1136 copyright. Add gcc copyright plus libgcc exception.
1137 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1139 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1141 2005-09-26 Jeff Law <law@redhat.com>
1143 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1144 about when to iterate.
1146 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1149 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1150 for __complex__ double in -mcpu=G5 mode.
1152 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
1154 PR tree-optimization/23942
1155 * Makefile.in (SCEV_H): Depends on PARAMS_H.
1156 * tree-scalar-evolution.c: Include params.h.
1158 (follow_ssa_edge, follow_ssa_edge_in_rhs,
1159 follow_ssa_edge_in_condition_phi_branch,
1160 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1161 Change return type to t_bool. Use a parameter to limit the size of
1162 trees that are walked before stopping
1163 (analyze_evolution_in_loop): Initialize the limit to 0.
1164 (follow_ssa_edge): Give up by returning t_dont_know if the limit
1165 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1167 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1170 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1171 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1173 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1175 * combine.c (make_extraction): Check for valid use of subreg.
1177 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1180 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1181 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1182 ("fist<mode>2_with_temp"): Use only register operands.
1184 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1186 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1187 CALL_INSN_FUNCTION_USAGE.
1189 2005-09-26 Richard Guenther <rguenther@suse.de>
1192 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1193 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1194 (ldst_entry): Use the hashtable instead of list-walking.
1195 (find_rtx_in_ldst): Likewise.
1196 (free_ldst_entry): Free the hashtable.
1197 (compute_ld_motion_mems): Create the hashtable.
1198 (trim_ld_motion_mems): Remove entry from hashtable if
1199 removing it from list.
1200 (compute_store_table): Likewise^2.
1201 (store_motion): Free hashtable in case we did not see
1204 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1206 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1207 and arg1 if we are passing them to fold_build2.
1209 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1212 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1215 2005-09-25 Richard Henderson <rth@redhat.com>
1217 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1218 SYMBOL_REF_TLS_MODEL to be correct.
1220 2005-09-24 Richard Henderson <rth@redhat.com>
1222 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1223 end of function. Reindent.
1225 2005-09-24 Ian Lance Taylor <ian@airs.com>
1227 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1228 NEGATE_EXPR/BIT_NOT_EXPR case.
1230 2005-09-24 Richard Henderson <rth@redhat.com>
1232 * c-common.c (handle_mode_attribute): When not modifying in place,
1233 create subtypes for enumerations.
1234 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1235 * gimplify.c (create_tmp_from_val): Likewise.
1237 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1239 * config/i386/i386.md (*tls_global_dynamic_64,
1240 *tls_local_dynamic_base_64): Add missing mode to call.
1241 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1243 2005-09-24 Jan Hubicka <jh@suse.cz>
1245 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1246 (cgraph_clone_node): Likewise.
1247 * cgraph.h (cgraph_clone_edge): Update prototype.
1248 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1249 duplicated prototypes; add updating argument.
1250 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1251 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1253 (cgraph_mark_inline_edge): Likewise.
1254 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1255 (cgraph_flatten_node): Likewise.
1256 (cgraph_decide_recursive_inlining): Likewise.
1257 (cgraph_decide_inlining_of_small_function): Likewise.
1258 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1260 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1261 Pete Steinmetz <steinmtz@us.ibm.com>
1263 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1264 (rldic.): Set type to "compare".
1266 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1267 mfjmpr for MFCTR/MFLR.
1268 (movdf_hardfloat64): Same.
1269 (movdf_softfloat64): Same. Correct order of store and move types.
1270 (movti_string): Set type to store_ux/load_ux.
1271 (load_multiple): Set type to load_ux.
1272 (store_multiple): Set type to store_ux.
1273 (movmemsi): Set type to store_ux.
1274 (output_cbranch direct_return): Set type to jmpreg.
1275 (stmw): Set type to store_ux.
1276 (lmw): Set type to load_ux.
1277 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1278 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1279 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1280 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1281 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1282 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1283 (rios1-fpstore): Increase latency to 3.
1284 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1285 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1287 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1288 Andrew Pinski <pinskia@physics.uc.edu>
1290 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1291 operand2 constraint to "b".
1292 (sync_<fetchop_name>di_internal): Same.
1293 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1295 (sync_old_<fetchop_name>di_internal): Same.
1296 (sync_new_<fetchop_name>si_internal): Same.
1297 (sync_new_<fetchop_name>di_internal): Same.
1299 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1302 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1303 case, define as macros.
1305 PR rtl-optimization/23837
1306 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1307 clobber / clobber match between dest and p->first.
1309 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1310 (no_conflict_move_test): Update comments.
1312 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1314 * doc/install.texi: Update URL for Jacks.
1315 * doc/sourcebuild.texi: Likewise.
1317 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1320 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1321 registers when choosing register preferences.
1322 (movdf_hardfloat64): Same.
1324 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1326 * expmed.c (expand_shift): Don't use the target of the rotate as
1327 target for the first expanded shift insn.
1328 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1330 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1332 PR tree-optimization/22438
1333 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1334 preserved iv rhs rewriting specially.
1336 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1338 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1339 estimate_only is true.
1340 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1341 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1342 tree-ssa-structalias.c
1343 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1344 ref_contains_indirect_ref.
1345 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1347 2005-09-21 DJ Delorie <dj@redhat.com>
1349 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1351 (mn10300_return_in_memory): Support variable size types also.
1352 (mn10300_pass_by_reference): Likewise.
1353 (mn10300_function_value): New.
1354 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1355 (FUNCTION_OUTGOING_VALUE): Likewise.
1356 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1357 * doc/invoke.texi: Document it.
1359 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1362 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1363 force integer op1 into register for XFmode compares.
1365 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1368 * expmed.c (alg_code): Add alg_impossible.
1369 (alg_hash_entry): Add cost.
1370 (synth_mult): Record alg_impossible in the hash table if
1371 multiplication by a given integer is impossble within the
1372 limit. Speed up using alg_impossible.
1374 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1376 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1377 argument. Allow and set any offset if needs_anyoffset is passed
1379 (get_constraint_for): Add argument here too.
1381 (do_structure_copy): Pass NULL to get_constraint_for.
1382 (handle_ptr_arith): Ditto.
1383 (find_func_aliases): Ditto.
1385 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1387 PR rtl-optimization/23898
1388 * output.h (get_attr_min_length): Declare.
1389 * final.c (get_attr_length_1): New function, broken out of:
1391 (get_attr_min_length): New function.
1392 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1393 (duplicate_computed_gotos): Likewise.
1394 * genattr.c (insn_min_length): Generate declaration.
1395 * genattrtab.c (min_fn, min_attr_value): New functions.
1396 (make_length_attrs): Generate insn_min_length.
1398 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1400 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1402 2005-09-20 Richard Henderson <rth@redhat.com>
1404 PR tree-optimization/24059
1405 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1408 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1410 * c.opt (fextended-identifiers): New.
1411 * c-opts.c (c_common_handle_option): Handle
1412 -fextended-identifiers.
1413 * doc/cpp.texi: Update documentation of extended identifiers.
1414 * doc/cppopts.texi (-fextended-identifiers): Document.
1416 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1418 PR tree-optimization/23929
1419 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1422 PR tree-optimization/23818
1423 * tree-stdarg.c (execute_optimize_stdarg): Call
1424 calculate_dominance_info.
1426 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1428 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1429 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1430 (compute_overlap_steps_for_affine_1_2): Use
1431 get_number_of_iters_for_loop.
1432 (analyze_subscript_affine_affine): Check whether difference is
1434 Use get_number_of_iters_for_loop.
1435 Check whether overlap occurs outside of bounds.
1436 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1438 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1440 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1441 base register if possible.
1443 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1445 PR tree-optimization/18463
1446 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1447 converting it directly is not possible.
1448 (chrec_convert_aggressive): New function.
1449 * tree-chrec.h (chrec_convert_aggressive): Declare.
1450 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1451 Fold chrec conversions aggressively if asked to.
1452 (instantiate_parameters): Modified because of changes in
1453 instantiate_parameters_1.
1455 2005-09-19 Richard Henderson <rth@redhat.com>
1457 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1458 (reduc_splus_v2df): New.
1460 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1462 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1463 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1465 2005-09-19 Richard Henderson <rth@redhat.com>
1467 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1470 2005-09-19 Richard Henderson <rth@redhat.com>
1472 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1473 (ia64_expand_dot_prod_v8qi): New.
1474 * config/ia64/ia64-protos.h: Update.
1475 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1476 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1477 sdot_prodv8qi, sdot_prodv4hi): New.
1478 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1480 2005-09-19 Richard Henderson <rth@redhat.com>
1483 * real.c (exact_real_truncate): Return false if the format cannot
1484 represent the number as a normal.
1486 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1487 for a memory source.
1489 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1491 * tree-ssa-operands.c (swap_tree_operands): Export.
1492 * tree.h (swap_tree_operands): Declare.
1493 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1494 Call swap_tree_operands.
1496 2005-09-19 Richard Henderson <rth@redhat.com>
1498 * tree-flow.h (merge_alias_info): Declare.
1499 * tree-ssa-copy.c (merge_alias_info): Export.
1500 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1501 (vect_create_data_ref_ptr): Use create_iv directly.
1502 (vectorizable_load): Use correct types for integer constants.
1503 (vect_generate_tmps_on_preheader): Likewise.
1504 (vect_gen_niters_for_prolog_loop): Likewise.
1506 2005-09-19 Steven Bosscher <stevenb@suse.de>
1508 PR rtl-optimization/23943
1509 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1511 2005-09-18 Jan Hubicka <jh@suse.cz>
1513 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1515 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1517 * varasm.c (output_constant): Do not abort on conversions to union
1518 types between different sizes.
1520 2005-09-18 Richard Guenther <rguenther@suse.de>
1523 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1526 2005-09-18 Paul Brook <paul@codesourcery.com>
1528 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1530 2005-09-17 Richard Henderson <rth@redhat.com>
1532 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1533 * tree-ssa-loop.c (pass_vect_dce): Remove.
1534 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1537 2005-09-17 Richard Henderson <rth@redhat.com>
1539 * tree-pass.h (pass_vect_dce): Declare.
1540 * passes.c (init_optimization_passes): Add it.
1541 * tree-flow.h (tree_ssa_dce): Declare.
1542 * tree-ssa-dce.c (tree_ssa_dce): Export.
1543 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1544 (gate_tree_vectorize): ... here.
1545 (pass_vect_dce): New.
1547 2005-09-17 Jan Hubicka <jh@suse.cz>
1549 * except.c (struct eh_status): Turn region_array into vec.
1550 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1551 convert_from_eh_region_ranges, find_exception_handler_labels,
1552 current_function_has_exception_handlers, assign_filter_values,
1553 build_post_landing_pads, dw2_build_landing_pads,
1554 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1555 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1556 foreach_reachable_handler, can_throw_internal_1,
1557 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1559 (duplicate_eh_region_1): Update region_array.
1560 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1562 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1565 * expmed.c (expand_mult): Substitute simple register for op0 when
1568 2005-09-17 Richard Henderson <rth@redhat.com>
1570 * expr.c (emit_move_via_integer): Add force argument, pass it on
1571 to emit_move_change_mode. Update callers.
1572 (emit_move_complex): Pass true to new force argument.
1573 * function.c (expand_function_end): Move expand_eh_return call
1574 earlier. Merge sub-word complex values into a pseudo before
1575 copying to the return hard register.
1577 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1579 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1580 between different sizes.
1582 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1586 * passes.c (init_optimization_passes): Register dump files for
1589 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1591 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1592 * config/s390/s390.c (s390_overlap_p): New function.
1593 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1594 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1597 2005-09-16 Richard Guenther <rguenther@suse.de>
1599 * ipa-pure-const.c (static_execute): Free auxiliar information.
1600 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1601 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1603 2005-09-15 DJ Delorie <dj@redhat.com>
1605 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1607 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1609 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1611 (swap_commutative_operands_with_target): New.
1613 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1615 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1618 (estimate_iters_using_array): New function.
1619 * tree-data-ref.h (estimate_iters_using_array): Prototype
1620 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1621 Use estimate_iters_using_array instead of analyze_array.
1623 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1625 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1628 2005-09-15 Michael Matz <matz@suse.de>
1630 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1632 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1634 PR tree-optimization/23835
1635 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1636 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1638 2005-09-14 Richard Henderson <rth@redhat.com>
1640 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1641 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1643 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1645 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1646 in the ARRAY_TYPE case.
1648 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1650 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1652 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1655 * tree-vect-transform.c (vectorizable_operation): Return false for
1656 scalar shift operations and for vector shift operations with
1657 non-invariant shift arguments. Use scalar tree operand op1 as
1658 a shift operand when vector shift insn pattern uses scalar shift
1660 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1662 2005-09-14 Olivier Hainque <hainque@adacore.com>
1664 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1665 value if it has side-effects.
1667 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1670 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1672 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1674 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1675 passed as NAME as if it were label at start of function code.
1677 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1679 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1682 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1684 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1685 as early clobber. Rewrite so the PIC register is not implicitly used.
1687 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1689 * tree.c (annotate_with_file_line): Compare line numbers before
1692 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1695 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1696 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1698 2005-09-13 Ian Lance Taylor <ian@airs.com>
1700 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1701 than a HOST_WIDEST_INT to gen_doloop_begin.
1703 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1705 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1707 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1709 PR tree-optimize/23817
1710 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1712 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1715 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1716 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1717 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1718 (restore_stack_nonlocal): Likewise.
1719 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1721 2005-09-12 Ian Lance Taylor <ian@airs.com>
1724 * c.opt (ffriend-injection): New C++ option.
1725 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1726 (C++ Dialect Options): Document -ffriend-injection.
1728 2005-09-12 Josh Conner <jconner@apple.com>
1731 * ipa-reference.c (static_execute): Don't mark variables in
1732 named sections TREE_READONLY.
1734 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1736 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1739 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1741 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1742 V_MUST_DEF instead of just the first_use_p.
1743 Don't mark the virtual variables for renaming on the statement which
1745 (pass_dse): Remove TODO_update_ssa.
1747 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1750 * stor-layout.c (compute_record_mode): For records with a single
1751 field, actually check the field's mode size against the type size.
1753 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1754 registers for TARGET_SHMEDIA.
1755 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1756 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1757 of GENERAL_REGS and FP_REGS.
1759 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1761 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1763 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1765 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1766 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1767 are omitted. Exclude stack_tie insn too.
1769 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1771 PR rtl-optimization/23098
1772 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1774 * config/rs6000/rs6000.md (movdf splitter): Use
1775 const_double_operand predicate for TARGET_POWERPC64.
1776 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1777 SYMBOL_REF method to ABI_V4.
1779 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1780 replace_equiv_address.
1781 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1782 rs6000_sr_alias_set and MEM_NOTRAP.
1783 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1785 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1787 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1788 handle CALL_EXPR again.
1790 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1792 * arm/predicates.md (alignable_memory_operand): Delete.
1794 2005-09-10 Richard Henderson <rth@redhat.com>
1797 * dbxout.c (dbxout_expand_expr): New.
1798 (dbxout_symbol): Use it.
1800 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1802 * arm.c (arm_gen_rotated_half_load): Delete.
1803 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1804 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1805 (thumb_set_return_address): Likewise.
1806 (thumb_load_double_from_address): Use adjust_address.
1807 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
1808 (extendhsisi2_mem, movhi_bytes): Use change_address.
1809 (movhi): Use widen_memory_access.
1810 (reload_out_df): Use replace_equiv_address.
1811 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
1813 2005-09-09 Richard Henderson <rth@redhat.com>
1816 * dbxout.c: Include expr.h.
1817 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
1818 (dbxout_symbol): Handle DECL_VALUE_EXPR.
1819 * Makefile.in (dbxout.o): Add EXPR_H.
1821 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
1823 PR tree-optimization/23509
1824 * tree-cfg.c (replace_uses_by): Use replace_exp.
1825 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
1826 pointers have name_mem_tag or type_mem_tag set.
1828 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1830 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
1831 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
1832 of wrongly accessing operands.
1834 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
1836 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
1837 * tree-chrec.c: Include tree-scalar-evolution.h.
1838 (chrec_convert): Instantiate the base and step before calling
1839 scev_probably_wraps_p that would fail on parametric evolutions.
1840 Collect all the fails into a single section failed_to_convert,
1841 print a diagnostic, and return chrec_dont_know instead of calling
1843 * tree-scalar-evolution.c (loop_closed_phi_def): New.
1844 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
1846 (scev_const_prop): Don't replace the definition of a loop closed ssa
1847 phi node by itself, or by another loop closed ssa phi node.
1848 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
1849 that base and step are defined.
1851 2005-09-09 Richard Guenther <rguenther@suse.de>
1854 * fold-const.c (fold_ternary): Check truth_value_p before
1855 calling invert_truthvalue.
1857 2005-09-09 Nick Clifton <nickc@redhat.com>
1859 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
1860 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
1861 dimension of these arrays.
1862 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
1864 * longlong.h: Only provide a prototype for the __clz_tab[] array
1865 if this header has not been included from libgcc2.h.
1866 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
1868 Provide prototypes for exported functions.
1869 Use the __clz_tab[] and __popcount_tab[] arrays provided by
1872 2005-09-08 Josh Conner <jconner@apple.com>
1876 * expr.c (expand_expr_addr_expr_1): Don't invoke
1877 expand_simple_binop for EXPAND_INITIALIZER.
1879 2005-09-08 Richard Henderson <rth@redhat.com>
1882 * toplev.c (wrapup_global_declaration_1): Split out ...
1883 (wrapup_global_declaration_2): ... from ...
1884 (wrapup_global_declarations): ... here. Return bool.
1885 (check_global_declaration_1): Split out ...
1886 (check_global_declarations): from here.
1887 (emit_debug_global_declarations): New.
1888 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
1889 check_global_declaration_1, emit_debug_global_declarations): Declare.
1890 * c-decl.c (c_write_global_declarations_1): Don't create a vector
1891 of decls. Call wrapup_global_declaration_1,
1892 wrapup_global_declaration_2, check_global_declaration_1 directly.
1893 (c_write_global_declarations_2): New.
1895 (c_write_global_declarations): Call c_write_global_declarations_2.
1896 * langhooks.c (write_global_declarations): Call
1897 emit_debug_global_declarations.
1899 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
1900 remove decls that have DECL_RTL_SET_P.
1901 * passes.c (rest_of_decl_compilation): Invoke
1902 cgraph_varpool_finalize_decl for all but functions.
1904 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
1906 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
1907 the result of a conversion if the new min and max cannot be compared.
1909 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
1911 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
1912 (override_options): Setting s390_sr_alias_set removed.
1913 (save_fpr, save_gprs): Set alias set to vararg or frame.
1914 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
1915 s390_sr_alias_set with get_frame_alias_set ().
1916 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
1917 get_varargs_alias_set ().
1919 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1923 * c-parser.c (c_parser_objc_method_definition): If the next
1924 token is not "{", error out and don't start the function.
1926 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
1928 * tree-vrp.c (extract_range_from_expr): Move the check for non
1929 nullness after the check for gimple invariant.
1931 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1933 * tree.c (host_integerp, tree_low_cst): Correct function comment.
1935 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1938 * config/m32r.md (movmemsi_internal): Canonicalize order of
1939 operands in PLUS component of template.
1941 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
1943 * reload1.c (fixup_eh_region_note): Remove assertion.
1944 (fixup_abnormal_edges): Reverted removal of call to
1945 find_many_sub_basic_blocks made on 2005-08-31.
1947 2005-09-07 Richard Henderson <rth@redhat.com>
1949 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
1950 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
1951 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
1952 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
1953 rearrange for better packing.
1954 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
1955 (lookup_cfa_1): Remove inline marker.
1956 (cfa_equal_p): Split out of ...
1957 (def_cfa_1): ... here. Use INVALID_REGNUM.
1958 (build_cfa_loc): Handle !cfa->indirect.
1959 (frame_pointer_cfa_offset): New.
1960 (dbx_reg_number): Assert register elimination performed; do
1961 leaf register remapping.
1962 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
1963 (eliminate_reg_to_offset): New.
1964 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
1965 for verifiably local stack frame addresses; re-base to CFA.
1966 (mem_loc_descriptor): Remove can_use_fbreg argument.
1967 (concat_loc_descriptor, loc_descriptor): Likewise.
1968 (containing_function_has_frame_base): Remove.
1969 (rtl_for_decl_location): Don't do register elimination or
1970 leaf register remapping here.
1971 (secname_for_decl): Split out from ..
1972 (add_location_or_const_value_attribute): ... here.
1973 (convert_cfa_to_loc_list): New.
1974 (compute_frame_pointer_to_cfa_displacement): New.
1975 (gen_subprogram_die): Use them.
1976 * tree.h (frame_base_decl): Remove.
1977 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
1978 (prologue_stack_adjust): Remove.
1979 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
1980 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
1981 (set_frame_base_location): Remove.
1982 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
1983 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
1984 (vt_add_function_parameters): Don't eliminate_regs.
1985 (vt_initialize): Don't create frame_base_decl.
1987 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
1989 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
1990 version of GNU binutils for 4.x and later.
1992 2005-09-06 Mark Mitchell <mark@codesourcery.com>
1994 * ggc-page.c (ggc_push_context): Remove.
1995 (ggc_pop_context): Likewise.
1996 * ggc.h (ggc_push_context): Remove.
1997 (ggc_pop_context): Likewise.
1999 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2002 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2003 returning from an interrupt handler.
2005 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2008 * config/arc/arc.c (output_shift): Add check for loop count when
2011 2005-09-06 Steven Bosscher <stevenb@suse.de>
2013 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2015 (abs_replacement): Likewise.
2016 (pass_phiopt): Remove TODO_update_ssa.
2018 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2021 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2022 if "return with no value, in function returning non-void" warning
2024 * tree-cfg.c (execute_warn_function_return): Don't look at
2025 RETURN_EXPRs with TREE_NO_WARNING set.
2028 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2029 for internal functions doesn't use registers used by global registers
2030 variables. Use fewer register parameters if there are global register
2033 2005-09-06 Olivier Hainque <hainque@adacore.com>
2034 Eric Botcazou <ebotcazou@adacore.com>
2037 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2038 when we would be extracting outside its bit span (bitpos+bitsize
2039 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2040 Ada unchecked conversions.
2042 2005-09-06 Steven Bosscher <stevenb@suse.de>
2044 * tree-ssa-pre.c (try_look_through_load): New function.
2045 (compute_avail): Use it to try to look through loads for some
2046 more useful expressions.
2048 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2050 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2051 condition for detecting cases like (a&a) and (a^a).
2053 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2055 * common.opt: Add option ftree-vect-loop-version.
2056 * params.def: Add --param vect-max-version-checks.
2057 * doc/invoke.texi: Document ftree-vect-loop-version and
2058 --param vect-max-version-checks.
2059 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2060 may_misalign_stmts and defines for accessors.
2061 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2062 LOOP_VINFO_MAY_MISALIGN_STMTS.
2063 (destroy_loop_vec_info): VEC_free for
2064 LOOP_VINFO_MAY_MISALIGN_STMTS.
2065 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2066 Update documentation.
2067 (vect_update_misalignment_for_peel): New.
2068 (vect_enhance_data_refs_alignment): Update to choose loop
2069 peeling or loop versioning if appropriate for the (potentially)
2070 unaligned data references in the loop.
2071 (vect_analyze_data_refs_alignment): Remove call to
2072 vect_enhance_data_refs_alignment so the checks can be done
2074 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2075 and move up call to vect_analyze_data_refs_alignment.
2076 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2077 (vect_transform_loop): Add call to loop_version.
2079 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2081 PR rtl-optimization/23098
2082 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2083 * simplify-rtx.c (constant_pool_reference_p): New function.
2084 * rtl.h (constant_pool_reference_p): New prototype.
2085 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2086 constant_pool_reference_p in condition and
2087 avoid_constant_pool_reference in preparation statements.
2089 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2091 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2092 STRICT_LOW_PART SETs.
2094 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2097 * except.c (sjlj_emit_function_enter): Find the function begin
2098 note even when it's not in first basic block.
2100 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2102 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2103 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2104 * aclocal.m4: Regenerate.
2106 2005-09-05 DJ Delorie <dj@redhat.com>
2108 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2111 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2113 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2114 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2115 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2116 Follow spelling conventions.
2117 * doc/invoke.texi: Follow spelling conventions.
2119 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2121 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2122 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2123 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2125 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2128 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2129 (output_stack_adjust): Use gen_tmp_stack_mem.
2130 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2131 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2132 (sh_get_pr_initial_val): Likewise.
2133 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2134 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2135 * sh.md (divsi_inv_m0): Use gen_const_mem.
2136 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2137 (movdf_i4+1): Use gen_tmp_stack_mem.
2138 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2139 (fpu_switch+2): Likewise.
2140 (movv4sf_i, movv16sf_i): Use adjust_address.
2141 (symGOT_load): Set MEM_NOTRAP_P bit.
2143 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2146 * pa.c (emit_move_sequence): Fix typo in last change.
2148 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2150 PR rtl-optimization/23454
2151 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2154 2005-09-03 Richard Henderson <rth@redhat.com>
2155 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2158 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2161 2005-09-02 Nicolas Pitre <nico@cam.org>
2163 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2164 to bit_count to 32 bits.
2166 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2169 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2170 generating synthetic loads from volatile lvalues.
2172 005-09-02 Nick Clifton <nickc@redhat.com>
2174 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2175 __ctzhi2, __clzhi2): New functions.
2177 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2180 * tree-nested.c (struct var_map_elt): Mark with GTY.
2181 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2183 (lookup_field_for_decl): Allocate new element in GC memory.
2184 (lookup_tramp_for_decl): Likewise.
2185 (convert_nl_goto_reference): Likewise
2186 (create_nesting_tree): Allocate info in GC memory. Likewise for
2188 (free_nesting_tree): Free with ggc_free instead of free.
2189 (root): New static variable.
2190 (lower_nested_functions): Remove root as local variable. And zero out
2191 root at the end of the function.
2193 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2195 PR rtl-optimization/20365
2196 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2197 to short. New member ix.
2198 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2199 (simplify_plus_minus): Initialize ix members before calling qsort.
2201 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2203 PR tree-optimization/23626
2204 * tree-cfg.c (replace_uses_by): Clean up eh info.
2206 2005-09-01 DJ Delorie <dj@redhat.com>
2208 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2211 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2213 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2214 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2217 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2219 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2220 do not issue warning for a variable definition following
2223 2005-09-01 Richard Henderson <rth@redhat.com>
2226 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2227 conversion to CONST_VECTOR.
2229 2005-09-01 Richard Henderson <rth@redhat.com>
2232 * reload1.c (reload_as_needed): Check !CALL_P before calling
2233 fixup_eh_region_note.
2234 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2236 2005-09-01 DJ Delorie <dj@redhat.com>
2238 * varasm.c (output_constant): Let the target resolve
2239 conversions of addresses to non-default pointer sizes.
2241 2005-09-01 Nicolas Pitre <nico@cam.org>
2243 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2244 to alow matching ARM pre-indexed addressing mode.
2245 (arm_override_options): Remove now irrelevant comment.
2247 2005-09-01 Phil Edwards <phil@codesourcery.com>
2249 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2250 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2251 * config/i386/vxworks.h: Likewise.
2252 * config/i386/t-vxworksae: New file, for VxWorks AE.
2253 * config/i386/vxworksae.h: Likewise.
2255 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2257 PR tree-optimization/23410
2258 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2259 sequence is not wrapping during the first step.
2261 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2264 * dwarf2out.c (base_type_die): Compare char_type_node with
2265 TYPE_MAIN_VARIANT (type), not type.
2267 2005-09-01 Richard Guenther <rguenther@suse.de>
2269 PR tree-optimization/15366
2270 * common.opt: Add -finline-functions-called-once.
2271 Put -fearly-inlining in alphabetically ordered place.
2272 * doc/invoke.texi: Document new option.
2273 * ipa-inline.c (cgraph_decide_inlining): Honour
2274 flag_inline_functions_called_once.
2276 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2278 PR rtl-optimization/23478
2279 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2280 (alloc_qty): Initialize it.
2281 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2282 (combine_regs): Combine also n_throwing_calls_crossed fields.
2283 (find_free_reg): Don't attempt to caller-save pseudos crossing
2284 calls that might throw.
2285 * global.c (struct allocno): Add throwing_calls_crossed field.
2286 (global_alloc): Revert 2005-08-22 change. Initialize
2287 throwing_calls_crossed.
2288 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2291 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2294 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2295 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2296 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2297 (and64_2_operand): Tweak to use predicate.
2298 (and_operand): Adjust for mask_operand changes.
2299 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2300 (print_operand): Likewise.
2301 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2302 (mask64_1or2_operand): Delete.
2303 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2304 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2305 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2306 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2307 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2308 (rotldi3_internal4): Likewise.
2309 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2310 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2311 (ashldi3_internal7): Likewise.
2312 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2313 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2314 (anddi3 split): Don't match mask64_operand.
2315 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2316 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2317 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2318 't' splitter predicate.
2319 (movdi_internal64 + 2): Revert 2005-06-11 change.
2321 2005-08-31 DJ Delorie <dj@redhat.com>
2323 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2324 (m32c_asm_integer): Add support for 32 bit pointers.
2326 2005-08-31 Richard Henderson <rth@redhat.com>
2328 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2329 component-like references for setting MEM_NOTRAP_P.
2331 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2332 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2334 2005-08-31 Richard Henderson <rth@redhat.com>
2336 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2337 into a pseudo before applying gen_lowpart.
2339 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2341 * doc/install.texi (Specific): Update cctools version required
2342 for full functionality.
2343 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2344 linkers as -macosx_version_min.
2346 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2349 * sh.c (print_operand, %R and %S): Add handling of floating point
2350 registers, memory, constants and invalid operands.
2352 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2354 * ipa-pure-const.c: Change dump name.
2356 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2359 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2360 to "reg_or_0_operand".
2361 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2363 2005-08-31 Dale Johannesen <dalej@apple.com>
2365 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2366 loops that count down.
2368 2005-08-31 Richard Henderson <rth@redhat.com>
2371 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2372 (fixup_eh_region_note): New.
2373 (reload_as_needed): Call it.
2374 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2375 don't call find_many_sub_basic_blocks; call verify_flow_info.
2376 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2377 (keep_stack_depressed): Likewise.
2378 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2380 2005-08-31 Richard Henderson <rth@redhat.com>
2382 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2385 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2387 * expr.c (expand_expr_real_1): Compare size of address
2388 mode to target's address mode size in deciding expansion of
2389 the constant address.
2391 2005-08-31 Richard Guenther <rguenther@suse.de>
2394 * expr.c (all_zeros_p): New function.
2395 (expand_expr_real_1): Handle the case of an all-zero
2396 non-addressable constructor separately.
2398 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2400 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2401 arguments, adjust all callers.
2402 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2404 2005-08-30 Richard Henderson <rth@redhat.com>
2407 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2408 whenever the mode sizes match.
2410 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2412 * calls.c (load_register_parameters): Fix comment typo.
2413 * expr.c (emit_push_insn): Comment formatting.
2415 2005-08-30 Ian Lance Taylor <ian@airs.com>
2417 * config/i386/x-cygwin (host-cygwin): Change dependency from
2418 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2420 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2422 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2425 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2428 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2429 call to ggc_collect.
2431 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2434 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2435 beginning. Remove $(INCLUDES) from all the rules, if following
2436 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2438 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2441 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2442 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2443 not constant, but maxlen is, don't set len to maxlen, rather
2444 set maxlen to len if len is a constant.
2446 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2448 PR tree-optimization/23475
2449 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2452 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2454 Fix PR middle-end/22455
2456 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2457 Checksum only the parts of the tree that exist for the tree code.
2459 2005-08-28 Dale Johannesen <dalej@apple.com>
2461 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2463 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2465 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2467 2005-08-28 Richard Henderson <rth@redhat.com>
2469 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2470 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2473 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2476 * builtins.c (get_memory_rtx): Don't strip nops
2477 in between COMPONENT_REFs.
2479 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2482 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2484 (gimplify_modify_expr): Check for zero sized types and gimplify the
2485 rhs and lhs as statements.
2487 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2490 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2491 state for return address column of signal frames.
2493 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2496 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2497 bytes >= 2 not bytes == 2.
2498 (expand_block_move): Same.
2500 2005-08-27 Richard Guenther <rguenther@suse.de>
2503 * config/i386/sse.md (sse2_movsd): Add missing closing
2506 2005-08-27 Paul Brook <paul@codesourcery.com>
2508 * genrecog.c (enum decision_type): Add DT_num_insns.
2509 (struct decision_test): Add u.num_insns.
2510 (add_to_sequence): Add DT_num_insns test.
2511 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2512 (write_cond, debug_decision_2): Ditto.
2513 (change_state): Assume peep2_next_insn never fails.
2514 Remove "afterward" argument.
2515 (write afterward, write_tree): Update to match.
2516 * recog.c (peep2_current_count): New variable.
2517 (peep2_next_insn): Check it.
2518 (peephole2_optimize): Set peep2_current_count.
2519 * recog.h (peep2_current_count): Declare.
2521 2005-08-26 Josh Conner <jconner@apple.com>
2524 * ipa-pure-const.c (check_tree): Check for volatile-ness
2525 when considering a dereference.
2527 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2529 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2531 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2533 PR rtl-optimization/23561
2534 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2535 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2536 at most LEN bytes long memory fits into the field.
2537 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2538 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2539 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2541 2005-08-26 Richard Henderson <rth@redhat.com>
2544 * loop.c (biased_biv_may_wrap_p): New.
2545 (maybe_eliminate_biv_1): Use it to suppress non-equality
2546 comparison transformations. Delete disabled code.
2548 2005-08-26 Ian Lance Taylor <ian@airs.com>
2550 * combine.c (make_extraction): Avoid reference outside object.
2552 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2554 * stor-layout.c (finalize_type_size): Restore behaviour for
2555 non-aggregate types to the status quo ante of the patch for
2556 pr 23467. Document why it matters.
2558 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2561 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2562 array by one element, initialize the BT_LAST element with NULL.
2564 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2566 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2567 optimizing for size.
2569 (compare_plus_eqsi): Same.
2570 (plus_eqsi_compare): Same.
2571 (neg_eq0<mode>): Same.
2572 (neg_eq<mode>): Same.
2574 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2577 2005-08-26 Nick Clifton <nickc@redhat.com>
2579 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2580 TARGET_EP is not defined.
2581 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2582 TARGET_EP is enabled.
2583 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2584 * config/v850/v850.md (save_all_interrupt): Only use the EP
2585 register if TARGET_EP is defined.
2586 (restore_all_interrupt): Likewise.
2587 * config/v850/lib1funcs.asm: Update functions so that the EP
2588 register is only used if __EP__ is defined.
2590 2005-08-26 David Ung <davidu@mips.com>
2592 * config/mips/mips.c (mips_expand_prologue): Handle case when
2593 generating for MIPS16 and the outgoing argument area is more than
2594 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2597 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2599 * config/crx/crx.md: Make doloop_end pattern usage controllable
2600 via mloop-nesting=<max-nesting> command line switch. Make sure
2601 the combiner cannot use doloop_end_<mode> in an illegal way.
2602 * config/crx/crx.c: Use regs up to r6 for argument passing.
2603 Refine crx_address_cost (non cst4 displacements are expensive).
2604 * config/crx/crx.opt: Add switch for mloop-nesting=.
2606 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2608 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2609 (UNSPEC_MVST): New constant.
2611 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2613 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2614 Reject operands containing eliminable registers.
2615 * testsuite/gcc.dg/20050825-1.c: New testcase.
2617 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2618 Jan Hubicka <jh@suse.cz>
2620 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2622 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2624 PR tree-optimization/23546
2625 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2628 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2630 * params.def (PARAM_MIN_SPEC_PROB): New.
2631 * sched-rgn.c (MIN_PROBABILITY): Delete.
2632 (compute_trg_info): Convert to PARAM_VALUE.
2633 * doc/invoke.texi (param): Document min-spec-prob.
2635 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2637 * config/darwin.h: define __PIC__
2638 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2639 TARGET_OS_CPP_BUILTINS macro.
2641 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2643 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2646 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2648 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2650 * cfghooks.c (duplicate_block): Added position where to place
2651 new block as argument.
2652 * cfghooks.h (duplicate_block): Declaration changed.
2653 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2655 * cfglayout.h (copy_bbs): Declaration changed.
2656 * cfgloop.h (loop_version): Declaration changed.
2657 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2658 position to copy_bbs.
2659 (loop_version): Pass position to duplicate_loop_to_header_edge.
2660 Add place_after argument and position new blocks according to
2662 * modulo-sched.c (sms_schedule): Pass place_after argument
2664 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2665 * tree-cfg.c (split_edge_bb_loc): New function.
2666 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2667 to determine position of new blocks.
2668 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2670 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2671 argument to duplicate_block.
2672 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2673 Pass position to copy_bbs.
2675 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2677 * fold-const.c (ptr_difference_const): Use
2678 cst_and_fits_in_hwi instead of host_integerp.
2680 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2682 * config/darwin.c (gen_pic_offset): New.
2683 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2686 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2688 PR tree-optimization/23486
2689 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2691 2005-08-23 Phil Edwards <phil@codesourcery.com>
2693 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2694 remove use_collect2.
2695 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2697 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2698 configuration files to override the default value.
2700 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2701 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2702 * config/vx-common.h: New file, split out from...
2703 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2704 * config/vxworksae.h: New file, for VxWorks AE.
2705 * config/vxworks.opt: New file.
2706 * config/vxlib.c: Update for VxWorks 6.
2708 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2709 other MULTILIB_* variables appropriately.
2710 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2711 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2712 * config/rs6000/vxworks.h: Update for VxWorks 6.
2713 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2715 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2718 * config/darwin.c (machopic_select_section): Remove the hack to
2719 mark "::operator new" and "::operator delete" for coalescing
2720 even though they are not weak.
2722 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2724 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2725 * configure: Regenerate.
2727 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2730 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2732 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2733 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2736 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2738 * config/rs6000/predicates.md (equality_operator): New.
2739 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2740 comparison with a large constant.
2742 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2744 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2746 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2748 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2749 registers is even, and we have a hardware double precision fp,
2751 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2752 size of current argument when checking if argument was passed in
2755 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2758 * stor-layout.c (finalize_type_size): Dont override
2759 existing alignment with a smaller alignment from the mode.
2761 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2763 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2764 * lambda.h (lambda_vector_lexico_pos): ... here.
2765 * tree-data-ref.c (build_classic_dist_vector): Return false when
2766 the distance vector is lexicographically negative.
2768 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2770 PR tree-optimization/23511
2771 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2772 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2774 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2776 PR tree-optimization/22043
2777 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2778 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2779 If ALLOW_FLEXARR, handle types ending with flexible array member.
2780 Pass false as second argument to recursive count_type_elements calls.
2781 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2782 argument to count_type_elements call.
2783 * tree-sra.c (decide_block_copy): Likewise.
2784 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2785 for a constant-sized object, set cleared as well. Pass true as
2786 second argument to count_type_elements call.
2788 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2791 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2792 from legitimate_small_data_p, and make global. Update use.
2793 Remove forward declaration.
2794 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2796 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2798 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2800 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2801 of scratch intermediates.
2802 (eq<mode>_compare): Same.
2803 (neg_eq0<mode>): New.
2804 (neg_eq<mode>): Convert to define_insn_and_split.
2806 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2809 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
2810 stdarg functions, set/clear the fp marker even when no variable
2812 * config/rs6000/sysv4.opt (mprototype): Describe.
2814 2005-08-22 Jakub Jelinek <jakub@redhat.com>
2816 PR rtl-optimization/23478
2817 * regs.h (reg_info): Add throw_calls_crossed.
2818 (REG_N_THROWING_CALLS_CROSSED): Define.
2819 * flow.c (allocate_reg_life_data): Initialize
2820 REG_N_THROWING_CALLS_CROSSED.
2821 (propagate_one_insn, attempt_auto_inc): Update
2822 REG_N_THROWING_CALLS_CROSSED.
2823 * global.c (global_alloc): Don't allocate pseudos across
2824 calls that may throw.
2826 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
2829 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
2830 value is inbetween the range if we did not find an exact match.
2832 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
2834 * doc/invoke.texi (Option Summary): Add ms1 options.
2835 * doc/extend.texi: Document interrupt handler attribute for ms1.
2836 * doc/md.texi: Document ms1 constraints.
2837 * config.gcc: Add ms1-*-elf.
2838 * config/ms1/ms1.h: New.
2839 * config/ms1/ms1.c: New.
2840 * config/ms1/ms1.md: New.
2841 * config/ms1/ms1-protos.h: New.
2842 * config/ms1/ABI.txt: New.
2843 * config/ms1/crti.asm: New.
2844 * config/ms1/crtn.asm: New.
2845 * config/ms1/lib2extra-funcs.c: New.
2846 * config/ms1/t-ms1: New.
2847 * config/ms1/ms1.opt: New.
2849 2005-08-22 Ira Rosen <irar@il.ibm.com>
2851 * config/rs6000/altivec.md (xorv4sf3): New.
2852 (negv4sf2, neg<mode>2): Likewise.
2854 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
2857 * config/ia64/ia64.md (divsi3): Check divide by zero.
2858 (udivsi3): Likewise.
2860 (udivdi3): Likewise.
2862 2005-08-21 Jakub Jelinek <jakub@redhat.com>
2864 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
2865 up to elem_bitsize bits, not max_bitsize.
2867 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2869 PR tree-optimization/23433
2870 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
2871 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
2873 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
2875 PR tree-optimization/23434
2876 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
2877 the iteration bound is not an INTEGER_CST.
2879 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
2881 * tree-vect-transform.c (get_initial_def_for_reduction): Set
2882 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
2883 NULL if need_epilog_adjust is false.
2884 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
2885 Case 3 always peels first itration, not just for PLUS case, and no need
2886 to use scalar_initial_def here. Create an epilog adjustment only if
2887 scalar_initial_def is not NULL.
2889 (vectorizable_reduction): Remove assert.
2891 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
2894 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
2895 (__moddi3): Likewise.
2896 (__udivdi3): Likewise.
2897 (__umoddi3): Likewise.
2898 (__divsi3): Likewise.
2899 (__modsi3): Likewise.
2900 (__udivsi3): Likewise.
2901 (__umodsi3): Likewise.
2903 2005-08-20 Jakub Jelinek <jakub@redhat.com>
2905 * tree-pass.h (TDF_GRAPH): Define.
2906 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
2907 * passes.c (finish_optimization_passes): Only call
2908 finish_graph_dump_file if TDF_GRAPH is set.
2909 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
2910 NULL. Set TDF_GRAPH bit.
2911 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
2913 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
2915 * arm.h (arm_stack_offsets): Add locals_base field.
2916 * arm.c (arm_get_frame_offsets): Compute it.
2917 (thumb_compute_initial_elimination offset): Make the Thumb frame
2918 pointer point to the base of the local variables.
2919 (thumb_expand_prologue): Update accordingly.
2920 (thumb_expand_epilogue): Likewise.
2922 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
2923 mode of clobbered scratch to DImode. Handle a case that's known to
2926 2005-08-19 David Edelsohn <edelsohn@gnu.org>
2928 * config/rs6000/rs6000.md (gt0<mode>): Delete.
2929 (gt0<mode>_compare): Delete.
2930 (neg_gt0<mode>): Delete.
2932 2005-08-19 Eric Christopher <echristo@apple.com>
2934 * optabs.h: Change CTI_ to COI_.
2937 2005-08-19 James E Wilson <wilson@specifix.com>
2939 * builtins.c (expand_builtin_return_addr): Set
2940 current_function_accesses_prior_frames when count != 0. Use
2941 frame_pointer_rtx when count == 0.
2942 * function.h (struct function): Add accesses_prior_frames field.
2943 (current_function_accesses_prior_frames): Define.
2944 * reload1.c (init_elim_table): Check
2945 current_function_accesses_prior_frames.
2946 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
2948 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2950 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
2951 indicator. Return true if the flowgraph changed during
2954 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2957 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
2958 conditional expression before testing its value.
2960 2005-08-19 Diego Novillo <dnovillo@redhat.com>
2962 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
2964 2005-08-19 Devang Patel <dpatel@apple.com>
2966 PR tree-optimization/23048
2967 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
2968 third parameter. Check whether latch is dominated by exit
2970 (if_convertible_loop_p): Supply exit block itself to
2971 if_convertible_bb_p.
2973 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2976 * arm.md (arm_load_pic_register): Change argument to the mask of
2977 saved registers. Call thumb_find_work_register if we need a
2978 scratch register on Thumb.
2979 (arm_expand_prologue): Pass empty register set to
2980 arm_load_pic_register.
2981 (thumb_expand_prologue): Pass live_regs_mask directly to
2982 arm_load_pic_register.
2983 * arm-protos.h (arm_load_pic_register): Update prototype.
2985 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
2987 * sh.c (find_sole_member): New function.
2988 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
2989 if the record's alignment is larger than the size of its only member.
2991 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
2994 * arm.c (thumb_legitimize_reload_address): New function.
2995 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
2996 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
2998 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3000 * config/crx/crx.c: Implement crx_decompose_address. Reject
3001 symbolic displacements since CRX register relative adressing
3002 mode can't handle unsigned 32-bit values as displacements.
3003 * config/crx/crx.h: Simplify definitions, remove redundant
3004 parenthesis and obsolete macros.
3005 * config/crx/crx.opt: Add new switch for debugging addresses.
3006 * config/crx/crx-protos.h: Add new declarations for above.
3008 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
3011 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3014 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3016 * collect2.c (dup2): Delete.
3017 * configure.ac: Don't check for dup2.
3019 * config.in, configure: Regenerate.
3021 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3023 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3024 record with the type of its only member.
3026 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3028 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3029 define_insn_and_split.
3030 (plus_ltu<mode>_compare): Same.
3031 (gtu<mode>_compare): Same.
3032 (plus_gtu<mode>_compare): Same.
3034 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3036 PR tree-optimization/22228
3037 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3039 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3040 are recorded in vect_vnames_to_rename for renaming.
3041 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3042 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3043 in vect_vnames_to_rename.
3044 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3045 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3047 2005-08-18 Jan Hubicka <jh@suse.cz>
3050 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3051 info only for local statics, not for member variables.
3053 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3055 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3057 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3059 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3061 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3064 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3066 2005-08-17 James E Wilson <wilson@specifix.com>
3068 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3071 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3073 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3074 (leu<mode>_compare): Same.
3075 (plus_leu<mode>): Same.
3076 (neg_leu<mode>): Same.
3077 (and_neg_leu<mode): Same.
3078 (ltu<mode>_compare): Same.
3079 (plus_ltu<mode>): Same.
3081 (geu<mode>_compare): Same.
3082 (plus_geu<mode>): Same.
3083 (neg_geu<mode>): Same.
3084 (and_neg_geu<mode>): Same.
3085 (plus_gt<mode>): Same.
3086 (gtu<mode>_compare): Same.
3087 (plus_gtu<mode>): Same.
3089 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3091 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3092 Move call_table_data to end. Delete spurious .text.
3093 (callt_save_all_interrupt): Fix comment typo.
3095 2005-08-17 James E Wilson <wilson@specifix.com>
3096 Kevin Winchester <winchester@amirix.com>
3099 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3101 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3104 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3105 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3107 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3109 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3110 record with the type of its only member if the modes don't match.
3112 * varasm.c (decode_reg_name): Skip empty additional register names.
3114 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3116 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3117 lsm_tmp_name_length): New.
3118 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3119 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3121 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3122 Andreas Krebbel <krebbel1@de.ibm.com>
3124 * config.gcc: Added z9-109 switch.
3125 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3126 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3127 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3128 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3129 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3130 for "z9_109" cpu attribute.
3131 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3132 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3133 (s390_handle_arch_option): Added z9-109 switch.
3134 (override_options): Set respective cost function for z9-109.
3135 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3136 (legitimate_reload_constant_p): Accept extended immediates.
3137 (print_operand): Three new output modifiers added: k, m and o.
3138 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3139 (s390_output_mi_thunk): Use extended immediate when possible.
3140 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3141 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3142 (CONSTRAINT_LEN): Added length of O constraint.
3143 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3144 * config/s390/s390.md ("cpu"): New value z9_109 added.
3145 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3146 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3147 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3148 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3149 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3150 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3151 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3152 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3153 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3154 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3155 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3156 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3157 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3158 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3159 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3161 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3162 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3163 insns for TARGET_EXTIMM.
3165 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3167 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3169 2005-08-17 Nick Clifton <nickc@redhat.com>
3171 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3172 Call default_encode_section_info.
3174 2005-08-17 Steven Bosscher <stevenb@suse.de>
3176 PR tree-optimization/21574
3177 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3178 constant, return CONSTANT.
3179 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3180 (ccp_fold, visit_assignment): Likewise.
3181 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3183 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3185 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3186 fold_buildN instead of buildN then fold_initializer or fold.
3187 (build_unary_op): Likewise.
3188 (build_binary_op): Likewise.
3189 * fold-const.c (fold_initializer): Remove.
3190 (fold_build1_initializer): New function.
3191 (fold_build2_initializer): New function.
3192 (fold_build3_initializer): New function.
3193 * tree.h (fold_initializer): Remove.
3194 (fold_build1_initializer): New function.
3195 (fold_build2_initializer): New function.
3196 (fold_build3_initializer): New function.
3198 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3200 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3201 (try_move_mult_to_index): Call fold_build2 instead of build2.
3202 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3203 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3204 fold_binary_to_constant.
3205 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3207 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3208 check if A == gcd (A, B). Remove TYPE argument.
3209 (analyze_offset) Use fold_build2 instead of fold (build.
3210 (create_data_ref): Likewise.
3211 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3212 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3215 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3217 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3218 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3220 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3223 * gimplify.c (zero_sized_type): New function.
3224 (gimplify_modify_expr_rhs): If we have a zero sized type,
3225 replace the statement with an empty statement.
3227 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3229 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3232 2005-08-16 Ian Lance Taylor <ian@airs.com>
3234 * doc/tm.texi (Label Output): Correct typo.
3236 2005-08-16 Steven Bosscher <stevenb@suse.de>
3239 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3240 force_operand will work later on using have_insn_for.
3242 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3244 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3246 2005-08-16 Ian Lance Taylor <ian@airs.com>
3249 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3250 vector type, don't try to construct it element by element. Add an
3251 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3253 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3255 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3257 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3259 * doc/invoke.texi (Precompiled Headers): Document some more options
3260 which are known to be safe.
3262 2005-08-16 James E Wilson <wilson@specifix.com>
3264 PR tree-optimization/21105
3265 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3266 TREE_OVERFLOW check.
3268 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3270 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3271 (neg_ltu<mode>): Same.
3273 (neg_gtu<mode>): Same.
3275 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3277 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3278 (fold_builtin_isdigit): Use fold_buildN.
3279 (build_function_call_expr): Likewise.
3280 * c-typeck.c (c_finish_loop): Likewise.
3282 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3283 Richard Shann <rshann@superh.com>
3285 PR middle-end/20396:
3286 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3288 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3290 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3292 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3295 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3296 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3299 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3302 * fold-const.c (build_range_check): Disable optimization for function
3303 pointer expressions on targets that require function pointer
3306 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3308 * simplify-rtx.c (simplify_const_relational_operation): When
3309 extracting arguments of a COMPARE, recompute the mode as well.
3311 2005-08-15 Ian Lance Taylor <ian@airs.com>
3313 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3315 2005-08-15 DJ Delorie <dj@redhat.com>
3317 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3319 (movsi_splittable): Allow, but split, moves to the stack.
3320 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3323 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3325 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3326 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3327 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3329 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3330 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3331 Delete HOST_PTR_PRINTF.
3333 * configure, config.in: Regenerate.
3335 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3337 * config/rs6000/rs6000.md (QHSI): New mode macro.
3338 (wd): Extend mode attr for QImode and HImode
3339 (dbits): New mode attr.
3340 (zero_extend<mode>di2): Convert to mode macro.
3342 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3345 * doc/invoke.texi (-mgnu-ld): Update description.
3348 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3351 * Makefile.in (tree-chrec.o): Depends on real.h.
3352 * tree-chrec.c: Include real.h.
3353 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3354 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3355 * tree-scalar-evolution.c (add_to_evolution_1,
3356 interpret_rhs_modify_expr): Ditto.
3358 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3361 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3362 step is negative compute the estimation from init downwards to zero.
3364 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3366 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3368 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3370 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3372 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3373 Accept double-word constants that can be split.
3374 * config/s390/s390.md ("movti"): Use 'P' constraint.
3375 ("*movdi_31", "*movdf_31"): Likewise.
3377 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3379 Fix PR tree-optimization/22615
3381 * tree-ssa-structalias.c (solution_set_add): Handle
3382 first_vi_for_offset returning NULL.
3383 (do_da_constraint): Ditto.
3384 (do_sd_constraint): Ditto.
3385 (do_ds_constraint): Ditto
3386 (find_func_aliases): Ditto.
3387 (build_constraint_graph): RHS is allowed be ANYTHING.
3388 (first_vi_for_offset): Return NULL if we couldn't find anything at
3391 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3393 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3394 over memory as first operand.
3396 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3399 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3400 available for setting it.
3402 2005-08-14 Ira Rosen <irar@il.ibm.com>
3404 PR tree-optimization/23320
3405 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3406 data-refs' types instead of base object nullness. Add check for
3407 pointer type data-refs before first location comparison. Remove
3410 2005-08-14 Andreas Schwab <schwab@suse.de>
3412 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3414 2005-08-13 James E Wilson <wilson@specifix.com>
3416 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3417 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3418 -fstack-protector-all, --param ssp-buffer-size): Document.
3419 (-Wvariadic-macros): Alphabetize.
3420 (-fsched-stalled-insns-dep): Add missing 'f'.
3422 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3425 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3427 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3428 or indirect address operand.
3429 (EXTRA_ADDRESS_CONSTRAINT): New.
3430 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3432 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3434 PR tree-optimization/22236
3435 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3436 successors and predecessors.
3437 * tree-chrec.c (chrec_convert): Before converting, check that
3438 sequences don't wrap.
3439 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3440 (analyze_array): Extern.
3441 (find_data_references_in_loop): Remove call to
3442 compute_estimated_nb_iterations.
3443 * tree-data-ref.h (analyze_array): Declared.
3444 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3445 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3446 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3447 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3449 * tree-ssa-loop-ivcanon.c: Fix documentation.
3450 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3451 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3452 (infer_loop_bounds_from_undefined): New.
3453 (estimate_numbers_of_iterations_loop): Use
3454 infer_loop_bounds_from_undefined.
3455 (used_in_pointer_arithmetic_p): New.
3456 (scev_probably_wraps_p): Pass an extra parameter. Call
3457 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3458 (convert_step): Fix documentation.
3459 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3460 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3461 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3462 scev_probably_wraps_p.
3464 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3466 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3467 (s390_register_info): Ignore clobbered_regs information for fixed
3468 registers, and only fixed registers.
3469 (s390_init_frame_layout): Remove redundant call.
3471 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3473 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3474 description of -Wold-style-casts.
3476 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3477 Jakub Jelinek <jakub@redhat.com>
3479 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3480 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3481 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3482 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3483 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3484 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3485 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3486 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3487 ("stack_protect_set", "stack_protect_test"): New expanders.
3488 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3489 "stack_protect_testdi"): New insn definitions.
3491 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3493 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3495 2005-08-12 Paul Brook <paul@codesourcery.com>
3497 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3499 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3501 * config/s390/predicates.md (setmem_operand): New predicate.
3502 (shift_count_operand): Accept ANDs with special constants as
3504 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3505 with special constants.
3506 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3507 shift_count_operand with setmem_operand.
3509 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3511 * config/s390/s390.c (s390_extract_part, s390_single_part):
3513 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3514 (s390_output_mi_thunk): Don't use lg on 31 bit.
3515 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3516 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3518 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3520 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3521 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3522 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3523 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3524 with one of the new macros.
3526 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3528 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3529 Don't set save_return_addr_p.
3530 (s390_register_info): Make clobbered_regs not depending on
3533 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3535 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3536 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3538 2005-08-11 James E. Wilson <wilson@specifix.com>
3540 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3542 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3544 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3545 locations gathered by var-tracking in single entry loc_list
3546 over loc_descriptor_from_tree.
3548 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3549 pass it down to loc_descriptor.
3550 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3551 (containing_function_has_frame_base): Move earlier in the file.
3552 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3553 instead of always assuming fbreg can't be used.
3555 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3557 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3558 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3559 Accept address wrapped in AND for Altivec.
3560 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3561 Strip AND wrapping offset address for Altivec.
3563 2005-08-11 Richard Henderson <rth@redhat.com>
3566 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3567 before using TYPE_IS_SIZETYPE.
3569 2005-08-11 Richard Henderson <rth@redhat.com>
3572 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3573 insn types not present on ev4.
3574 (alphaev5_insn_pipe): Similarly.
3576 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3579 * arm.c (arm_override_options): If the user has selected callee-super-
3580 interworking, then enable normal interworking.
3582 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3584 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3587 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3589 * doc/rtl.texi: Fix two typos.
3591 2005-08-11 Richard Guenther <rguenther@suse.de>
3594 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3595 cases where we call to/from functions returning void.
3597 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3600 * tree.c (build_pointer_type_for_mode): Robustify.
3602 2005-08-10 James E Wilson <wilson@specifix.com>
3604 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3605 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3607 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3610 2005-08-10 Eric Christopher <echristo@apple.com>
3612 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3613 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3616 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3619 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3620 for the high part when generating dynamic-no-pic code.
3622 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3624 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3625 (x86_64-*-linux*): Likewise.
3627 * config/i386/crtfastmath.c: New file.
3628 * config/i386/t-crtfm: Likewise.
3630 * config/i386/linux.h (ENDFILE_SPEC): New.
3631 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3633 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3636 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3638 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3639 (vec_shl, vec_shr): Document new operations.
3640 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3642 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3644 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3645 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3646 change predicate to indexed_or_indirect_address.
3648 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3650 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3651 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3652 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3653 and __aeabi_uwrite8.
3654 * config/arm/unaligned-funcs.c: New file.
3655 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3657 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3659 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3661 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3662 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3664 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3665 * final.c (pass_shorten_branches): Add dump.
3666 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3667 (pass_life): Rename dump.
3668 (rest_of_handle_flow2): Remove initial verify_flow_info.
3669 * function.c (pass_instantiate_virtual_regs): Add dump.
3670 * integrate.c (pass_initial_value_sets): Add dump.
3671 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3672 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3673 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3674 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3675 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3676 gate_rtl_unrool_and_peel_loops): New.
3677 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3678 rtl_doloop): Do not look at flags.
3679 * mode-switching.c (pass_mode_switching): Add dump.
3680 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3681 pass_split_before_regstack): Add dump.
3682 * regmove.c (pass_stack_adjustments): Add dump.
3683 * tree-optimize.c (pass_fixup_cfg): Add dump.
3685 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3688 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3689 deciding which instruction sequence to use.
3691 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3693 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3694 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3696 2005-08-09 Richard Guenther <rguenther@suse.de>
3698 * c-common.c (builtin_function_2): Remove.
3699 (def_builtin_1): New function.
3700 (c_common_nodes_and_builtins): Use def_builtin_1 to
3701 build builtin functions.
3703 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3705 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3706 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3707 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3710 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3712 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3713 fold_binary instead of fold_build2 since we don't care about the
3715 (loop_niter_by_eval): Likewise.
3716 (compare_trees): Likewise.
3717 (proved_non_wrapping_p): Likewise.
3719 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3723 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3724 if the if is really empty.
3726 2005-08-09 Steven Bosscher <stevenb@suse.de>
3728 PR tree-optimization/23234
3729 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3730 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3731 argument of the new enum.
3732 (execute_cse_reciprocals): Add reciprocals for function arguments
3733 on the unique successor edge of the entry block. Update other calls
3734 to execute_cse_reciprocals_1.
3736 2005-08-08 Richard Henderson <rth@redhat.com>
3739 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3741 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3743 * expr.c (write_complex_part): Return after handling MEM.
3745 2005-08-08 Josh Conner <jconner@apple.com>
3747 PR rtl-optimization/23241
3748 * combine.c (simplify_comparison): Fix error in determining
3749 whether to lift a subreg from comparison.
3751 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3754 * config/rs6000/altivec.md (vec_init<mode>): New.
3755 (vec_set<mode>): New.
3756 (vec_extract<mode>): New.
3757 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3758 (rs6000_expand_vector_set): New.
3759 (rs6000_expand_vector_extract): New.
3760 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3761 for Altivec modes before reload.
3762 (altivec_expand_vec_init_builtin): New.
3763 (get_element_number): New.
3764 (altivec_expand_vec_set_builtin): New.
3765 (altivec_expand_vec_ext_builtin): New.
3766 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3768 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3770 * config/rs6000/rs6000.h (rs6000_builtins): Add
3771 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3772 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3773 * config/rs6000/rs6000-protos.h: Declare new functions.
3775 2005-08-08 Jan Hubicka <jh@suse.cz>
3777 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3778 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3779 * i386.md (movdi*): Use pic_32bit_operand.
3780 * predicates.md (pic_32bit_operand): New.
3782 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3785 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3787 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3789 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3790 (test_for_singularity): Use fold_build2.
3792 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3794 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3796 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3798 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3799 (COMMON_ASM_OP) Define.
3800 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3801 (ix86_encode_section_info): Likewise.
3802 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3803 SUBTARGET_ENCODE_SECTION_INFO.
3805 2005-08-06 Richard Henderson <rth@redhat.com>
3808 * tree-nested.c (convert_local_reference): Save and restore val_only
3809 around component_ref and friends. Clear walk_subtrees by default.
3811 2005-08-06 Peter O'Gorman <peter@pogma.com>
3814 * gcc.c (process_command): Check the argument to -b has a dash.
3815 * doc/invoke.texi: Update -b and -V docs.
3817 2005-08-06 James E Wilson <wilson@specifix.com>
3819 * config/mips/cross64.h, config/mips/t-cross64: Delete.
3821 2005-08-06 Michael Matz <matz@suse.de>
3823 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
3824 member only if only one insn is associated with the value.
3826 2005-08-06 Nick Clifton <nickc@redhat.com>
3828 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
3830 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
3831 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
3832 Check symbol flags instead of symbol name mangling.
3833 (xstormy16_asm_output_aligned_common): Likewise. Also
3834 simplify code since the bss100_section cass is the only case
3835 where the below100 code will be triggered.
3836 (xstormy16_encode_section_info): Encode below100 attribute
3837 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
3839 (xstormy16_strip_name_encoding): Delete - this function is no
3841 (TARGET_STRIP_NAME_ENCODING): Undefine.
3842 * config/stormy16/stormy16-protos.h: Delete prototype for
3843 xstormy16_strip_name_encoding.
3845 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
3847 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
3848 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
3849 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
3850 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
3851 config/alpha/predicates.md, config/arc/arc.h,
3852 config/arm/arm.h, config/arm/ieee754-df.S,
3853 config/arm/ieee754-sf.S, config/bfin/bfin.c,
3854 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
3855 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
3856 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
3857 config/m68hc11/m68hc11.h, config/mips/mips.c,
3858 config/mips/mips.h, config/mips/openbsd.h,
3859 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
3860 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
3861 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
3862 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
3863 config/sparc/linux.h, config/sparc/linux64.h,
3864 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
3865 doc/extend.texi, doc/gcov.texi, doc/install.texi,
3866 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
3867 typos. Follow spelling conventions.
3869 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
3872 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
3873 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
3874 specially. Check for side effects only for COND_EXPR.
3875 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
3876 return with TREE_NO_WARNING.
3878 2005-08-06 Richard Sandiford <richard@codesourcery.com>
3880 PR rtl-optimization/23233
3881 * loop.c (combine_movables): Require the modes to be the same.
3882 (move_movables): Remove handling of cases where the replacement
3883 had a different mode to the original.
3885 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
3887 PR tree-optimization/23128
3888 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
3889 subtraction wrap, and set TREE_OVERFLOW if they do.
3891 2005-08-05 Richard Henderson <rth@redhat.com>
3894 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
3895 FORCED_LABEL labels.
3897 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
3900 * reload.c (find_reloads_subreg_address): Pass down TYPE
3901 unchanged. Change all callers except find_reloads_toplev.
3903 2005-08-05 Michael Matz <matz@suse.de>
3905 * genattrtab.c (current_alternative_string): Remove.
3906 (SIMPLIFY_ALTERNATIVE): Ditto.
3907 (attr_alt_bit_p): Ditto.
3908 (alternative_name): Make const char *.
3909 (evaluate_eq_attr): Remove use of above things.
3910 (simplify_test_exp): Ditto.
3911 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
3912 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
3914 2005-08-04 James E Wilson <wilson@specifix.com>
3916 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
3917 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
3918 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
3919 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
3920 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
3922 2005-08-04 Richard Henderson <rth@redhat.com>
3925 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
3926 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
3927 * tree-sra.c (decide_block_copy): Use it. Disable element copy
3928 if we'd have to instantiate too many members.
3930 2005-08-04 Richard Henderson <rth@redhat.com>
3933 * tree-outof-ssa.c (coalesce_asm_operands): New.
3934 (coalesce_ssa_name): Use it. Split out ...
3935 (coalesce_phi_operands, coalesce_result_decls): ... these.
3937 2005-08-04 Paul Brook <paul@codesourcery.com>
3939 * read-rtl.c (read_quoted_string): Break if EOF.
3941 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
3943 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
3944 (fold_build2): Likewise.
3945 (fold_build3): Likewise.
3946 (fold_build1_stat): New function prototype.
3947 (fold_build2_stat): Likewise.
3948 (fold_build3_stat): Likewise.
3949 * fold-const.c (fold_build1): Rename to ..
3950 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3951 through to build1_stat.
3952 (fold_build2): Rename to ..
3953 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3954 through to build2_stat.
3955 (fold_build3): Rename to ..
3956 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
3957 through to build3_stat.
3959 2005-08-04 David Edelsohn <edelsohn@gnu.org>
3960 Ian Lance Taylor <ian@airs.com>
3962 * function.c (assign_stack_local_1): Do not correct stack slot
3963 address if allocation size is smaller than mode size.
3965 2005-08-04 Diego Novillo <dnovillo@redhat.com>
3968 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
3969 (tree_merge_blocks): Propagate anything allowed by
3971 Clarify documentation.
3972 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
3973 SSA form, schedule an update if necessary.
3975 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
3977 * doc/install.texi (Binaries): Remove broken link to
3978 Sinix/Reliant Unix binaries.
3980 2005-08-03 Richard Henderson <rth@redhat.com>
3983 * function.c (stack_protect_epilogue): Export.
3984 * tree.h (stack_protect_epilogue): Declare.
3985 * calls.c (expand_call): Call it.
3987 2005-08-03 Eric Christopher <echristo@apple.com>
3989 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
3990 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
3993 2005-08-04 Jan Hubicka <jh@suse.cz>
3995 * profile.c (branch_prob): Split edges with goto locus on them
3996 to get proper line counts.
3997 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
3999 2005-08-03 Paul Brook <paul@codesourcery.com>
4001 * function.c (assign_parms): Round current_function_args_size
4002 to PARM_BOUNDARY, not STACK_BOUNDARY.
4004 2005-08-03 Geoffrey Keating <geoffk@apple.com>
4006 * config/i386/i386.c (x86_elf_aligned_common)
4007 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
4009 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
4011 PR tree-optimization/23157
4012 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
4013 before emitting them.
4015 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4017 PR tree-optimization/19899
4018 * Makefile.in (tree-scalar-evolution.o): Add real.h.
4019 * tree-scalar-evolution.c: Include real.h.
4020 (add_to_evolution): Build constant -1 of correct type.
4022 2005-08-03 Jan Hubicka <jh@suse.cz>
4024 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
4025 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
4026 profile updating for complette unrolling.
4027 * loop-unroll.c (peel_loop_completely): Use it.
4028 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
4029 (tree_unroll_loops_completely): Disable code growing unrolling of cold
4032 2005-08-03 Paul Brook <paul@codesourcery.com>
4034 * combine.c (can_change_dest_mode): New function.
4035 (try_combine, simplify_set): Use it.
4037 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
4039 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
4042 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
4044 * doc/install.texi (Specific): Adjust link to openavr.org.
4045 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
4046 (Binaries): Adjust HP-UX Porting Center link.
4047 (Binaries): Adjust Free Software Foundation ordering link.
4049 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
4051 * convert.c (convert_to_integer): Use fold_build1 instead of
4052 build1 when converting an integer to an integer.
4054 2005-08-02 Richard Henderson <rth@redhat.com>
4056 * combine.c (combine_instructions): Don't use reg_equal/equiv
4057 results if the mode doesn't match.
4059 2005-08-02 Mark Mitchell <mark@codesourcery.com>
4061 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
4062 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
4064 2005-08-02 Richard Henderson <rth@redhat.com>
4067 * explow.c (memory_address): Remove special-case for
4068 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
4070 2005-08-02 Diego Novillo <dnovillo@redhat.com>
4073 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
4074 number of calls to cleanup_tree_cfg_1.
4076 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
4078 * doc/invoke.texi: document file extensions .F90 and .F95
4080 2005-08-02 Richard Guenther <rguenther@suse.de>
4082 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
4083 positive if its first argument is positive.
4085 2005-08-02 Richard Guenther <rguenther@suse.de>
4087 PR tree-optimization/23177
4088 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
4091 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
4093 PR tree-optimization/23129
4094 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
4095 varying for divisions with anti-ranges.
4097 2005-08-02 Jan Hubicka <jh@suse.cz>
4099 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
4100 * tree-ssa-threadupdate.c (thread_block): Add it here.
4102 2005-08-01 James E Wilson <wilson@specifix.com>
4104 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
4105 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
4106 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
4108 * config/mips/predicates.md (const_call_insn_operand): Add check for
4109 SYMBOL_REF_LONG_CALL_P.
4110 * doc/extend.texi (long_call): Document the new attribute.
4112 2005-08-01 Ian Lance Taylor <ian@airs.com>
4113 Richard Henderson <rth@redhat.com>
4115 * Makefile.in (RTL_BASE_H): Add real.h.
4116 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
4118 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
4120 * rtl.c (rtl_check_failed_code_mode): New.
4121 * rtl.h (struct rtx_def): Add u.rv.
4122 (XCMWINT, XCNMPRV): New.
4123 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
4124 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
4126 2005-08-01 Richard Henderson <rth@redhat.com>
4128 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
4129 with auto-inc codes.
4131 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
4133 2005-08-01 Jan Hubicka <jh@suse.cz>
4135 * i386-protos.h (asm_preferred_eh_data_format): Declare.
4136 * i386.c: Include dwarf2.h
4137 (asm_preferred_eh_data_format): New.
4138 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
4140 2005-08-01 Ian Lance Taylor <ian@airs.com>
4142 * config/host-linux.c (linux_gt_pch_get_address): Add new name
4143 randomize_va_space for virtual address randomization control.
4145 2005-08-01 Steven Bosscher <stevenb@suse.de>
4147 * common.opt (flag_ipa_cp): Put in right place to maintain
4150 2005-08-01 Jan Hubicka <jh@suse.cz>
4152 * profile.c (compute_value_histograms): Fix thinko.
4153 * value-prof.c: Include toplev.h
4154 (check_counter): New function.
4155 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
4156 tree_mod_subtract_transform): Add sanity check.
4158 2005-08-01 Richard Guenther <rguenther@suse.de>
4160 PR tree-optimization/23133
4161 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
4162 current functions parameter decls to find defs to cse
4165 2005-08-01 Richard Guenther <rguenther@suse.de>
4167 PR tree-optimization/23109
4168 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
4169 If trapping math is in effect, use post-dominator information
4170 to check if we'd in any case reach a trapping point before
4171 doing the reciprocal insertion.
4172 (execute_cse_reciprocals): Compute post-dominators, if necessary.
4173 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
4174 expressions are invariant only if trapping math is not in effect.
4176 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4178 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
4179 cgraph_function_versioning): New declarations.
4180 * cgraphunit.c: Add include to ipa-prop.h.
4181 (update_call_expr, cgraph_copy_node_for_versioning,
4182 cgraph_function_versioning): New functions.
4183 * integrate.c (copy_decl_for_inlining): Remove.
4184 * ipa-prop.h (ipa_replace_map): New struct.
4185 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
4186 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
4187 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
4188 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
4189 ipcp_iterate_stage, ipcp_method_scale_print,
4190 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
4191 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
4192 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
4193 ipcp_update_bb_counts, ipcp_update_profiling,
4194 ipcp_update_edges_counts): New functions.
4195 (ipcp_method_cval_init): Remove restriction regarding local methods.
4196 (ipcp_init_stage): Add ipcp_method_compute_scale.
4197 (ipcp_insert_stage): Add versioning.
4198 (ipcp_structures_print): Add ipcp_method_scale_print.
4199 (ipcp_driver): Dump profiling info.
4200 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
4201 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
4202 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
4203 (struct inline_data): Add versioning_p, ipa_info, new fields.
4204 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
4205 declare_return_variable): Replace calls to copy_decl_for_inlining with
4207 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
4209 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
4210 Add argument VERSIONING.
4211 (copy_arguments_for_versioning, copy_static_chain,
4212 function_versionable_p, tree_versionable_function_p,
4213 tree_function_versioning, replace_ref_tree): New functions.
4214 * tree-inline.h: Include varray.h.
4215 (tree_versionable_function_p, tree_function_versioning,
4216 tree copy_decl_for_dup): New declarations.
4218 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
4220 * ipa-cp.c: New file. Contains IPCP specific functionality.
4221 * ipa-prop.h: New file. Contains structures/definitions that can be
4222 used by several interprocedural data flow optimizations (and also IPCP).
4223 * ipa-prop.c: New file.
4224 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
4225 * common.opt: Add ipa-cp flag.
4226 * timevar.def: Add IPCP optimization.
4227 * tree-optimize.c (init_tree_optimization_passes): Schedule
4229 * tree-pass.h (pass_ipa_cp): Declare.
4231 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
4233 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
4234 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
4235 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
4236 config/i386/i386.c, config/mips/mips.h,
4237 config/rs6000/rs6000.h, config/sh/sh.c,
4238 config/stormy16/stormy16.c: Fix comment typos.
4240 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
4243 * c-typeck.c (build_binary_op): Use common_type wrapper on
4245 (common_type): Update comment.
4247 2005-07-31 Steven Bosscher <stevenb@suse.de>
4250 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
4251 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
4252 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
4254 2005-07-31 Jan Hubicka <jh@suse.cz>
4256 * pretty-print.h (pp_widest_integer): New macro.
4257 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
4260 2005-07-31 Jan Hubicka <jh@suse.cz>
4262 * output.h (enum section_category): Export from varasm.c
4263 (categorize_decl_for_section): Likewise.
4264 * varasm.c (enum section_category): Kill.
4265 (categorize_decl_for_section): Make global.
4266 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
4268 * i386.c (ix86_section_threshold): New static variable.
4269 (ix86_in_large_data_p, ix86_encode_section_info,
4270 x86_64_elf_unique_section,
4271 x86_64_elf_select_section): New functions.
4272 (TARGET_ENCODE_SECTION_INFO): Define
4273 (override_options): Enable medium model for PIC.
4274 (ix86_expand_prologue): Expand gen_set_got_rex64.
4275 (legitimate_constant_p): Handle new UNSPECs.
4276 (legitimate_pic_address_disp_p): Likewise.
4277 (legitimize_pic_address): Lower MEDIUM model addressing.
4278 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
4279 (enum cmodel): Add MEDIUM_PIC.
4280 (SYMBOL_REF_FAR_ADDR_P): New macro.
4281 (SYMBOL_FLAG_FAR_ADDR): New flag.
4282 * i386.md (movdi): Support medium model.
4283 (set_got_rex64): New pattern.
4284 * i386.opt (mlarge-data-threshold): New flag.
4285 * predicates.md (zext_operand/sext_operand): Deal with medium model.
4286 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
4287 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
4288 TARGET_ASM_UNIQUE_SECTION): New.
4290 * invoke.texi (-mlarge_data_threshold): Document
4292 2005-07-31 Jan Hubicka <jh@suse.cz>
4294 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
4295 (coalesce_vars): Likewise.
4296 * tree-ssa-live.c (coalesce_cost): New.
4297 (build_tree_conflict_graph): Use coalesce_cost.
4298 * tree-ssa-live.h (coalesce_cost): Declare.
4300 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
4302 * arm.md (all peepholes for post-increment operations): Delete.
4303 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
4304 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
4305 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
4306 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
4307 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
4309 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
4311 * fold-const.c (tree_expr_nonnegative_p): Always return true for
4314 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
4317 * doc/invoke.texi: Document -rdynamic.
4319 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
4322 * c-parser.c (c_parser_parms_list_declarator): Call
4323 mark_forward_parm_decls.
4324 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
4325 decls with visibility structure.
4327 2005-07-30 Paul Brook <paul@codesourcery.com>
4329 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
4331 2005-07-30 Paul Brook <paul@codesourcery.com>
4333 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
4335 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
4337 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
4339 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4342 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
4343 nested function declarators.
4344 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
4345 (grokparms): Call warn_if_shadowing for parameters used within the
4347 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
4348 not used within the parameter list.
4349 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
4351 2005-07-30 Jan Hubicka <jh@suse.cz>
4353 * expr.c (expand_expr_real_1): Do not load mem targets into register.
4354 * i386.c (ix86_fixup_binary_operands): Likewise.
4355 (ix86_expand_unary_operator): Likewise.
4356 (ix86_expand_fp_absneg_operator): Likewise.
4357 * optabs.c (expand_vec_cond_expr): Validate dest.
4359 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4362 * real.c (real_from_string): Also set last bit if there is a
4363 nonzero hex digit beyond GCC's internal precision after ".".
4365 2005-07-29 David Edelsohn <edelsohn@gnu.org>
4367 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
4368 define_constants. Change duplicate values to unassigned numbers.
4369 Change UNSPEC_SUBS to UNSPEC_VSUBS.
4370 (*altivec_vspltsf): New.
4371 (altivec_vperm_v4sf): Delete.
4372 (altivec_vperm_<mode>): Use mode macro V.
4373 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
4374 (altivec_predicate_v4sf): Delete.
4375 (altivec_predicate_<mode>): Use mode macro V.
4376 (*altivec_lvesfx): New.
4377 (*altivec_stvesfx): New.
4378 (vec_realign_load_v4sf): Delete.
4379 (vec_realign_load_<mode>): Use mode macro V.
4380 * config/rs6000/rs6000.c (generate_set_vrsave): Use
4383 2005-07-29 Mark Mitchell <mark@codesourcery.com>
4386 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
4388 * configure: Regenerated.
4390 2005-07-29 Paul Brook <paul@codesourcery.com>
4392 * doc/install.texi: Add link to GFortran binaries wiki page.
4394 2005-07-29 David Ung <davidu@mips.com>
4396 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
4397 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
4398 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
4399 * config/mips/mips.md (cpu): Add 5kf name.
4400 (includes): Includes 5k.md.
4401 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
4402 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
4405 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4408 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
4409 (cleanup_tree_cfg): ... here.
4410 Call cleanup_tree_cfg_1 until there are no more cleanups to
4413 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
4415 * tree-vrp.c (compare_range_with_value): Return true or false
4416 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
4417 EQ_EXPR respectively.
4419 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
4421 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
4424 2005-07-29 Diego Novillo <dnovillo@redhat.com>
4426 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
4427 (tree_ssa_dominator_optimize): Increment it.
4428 (dump_dominator_optimization_stats): Print it.
4430 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
4431 Steven Bosscher <stevenb@suse.de>
4433 PR rtl-optimization/23117
4434 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
4435 when head == tail. Tidy comment.
4437 2005-07-28 Richard Henderson <rth@redhat.com>
4439 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
4440 * cselib.c (rtx_equal_for_cselib_p): Likewise.
4441 * jump.c (rtx_renumbered_equal_p): Likewise.
4442 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
4443 CONST_INT and CONST_DOUBLE.
4444 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
4445 * reload.c (operands_match_p): Special case CONST_INT and
4446 CONST_DOUBLE; check mode earlier.
4448 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4451 * c-typeck.c (convert_for_assignment): Do not check
4452 DECL_IN_SYSTEM_HEADER on NULL fundecl.
4454 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4457 * c-typeck.c (composite_type): Prefer constant size arrays to
4460 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
4463 * real.c (real_from_string): Set last bit if there is a nonzero
4464 hex digit beyond GCC's internal precision.
4466 2005-07-28 Richard Henderson <rth@redhat.com>
4469 * cfgcleanup.c (try_forward_edges): Watch out for end of
4472 2005-07-28 James E Wilson <wilson@specifixinc.com>
4475 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
4477 2005-07-28 Jan Hubicka <jh@suse.cz>
4479 * Makefile.in (rtl-profile.o): Kill all traces of it.
4480 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
4481 * coverage.h (rtl_coverage_counter_ref): Kill.
4482 * opts.c (flag_speculative_prefetching_set): Kill.
4483 (flag_loop_optimize_set): New.
4484 (common_handle_option): Disable loop optimizer when profiling;
4485 do not handle speculative prefetching.
4486 * passes.c (init_optimization_passes): Replace pass_profiling combo
4487 by branch_prob pass.
4488 * profile.c (compute_value_histograms): Update for simplified value
4490 (rtl_register_profile_hooks): Kill.
4491 (pass_profiling): Kill.
4492 (rest_of_handle_branch_prob): Do not profile.
4493 * toplev.c (process_options): Remove speculative prefetching.
4494 * toplev.h (flag_tree_based_profiling): Kill.
4495 * tree-profile.c (prepare_instrumented_value,
4496 tree_gen_interval_profiler, tree_gen_pow2_profiler,
4497 tree_gen_one_value_profiler, do_tree_profiling): Update for
4498 simplified datastructures.
4499 * value-prof.c: Add comment that speculative prefetching was dropped;
4500 update rest of file for simplified datastructures.
4501 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
4502 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
4503 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
4504 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
4505 rtl_mod_subtract, gen_speculative_prefetch,
4506 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
4507 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
4508 (gate_handle_value_profile_transformations,
4509 rest_of_handle_value_profile_transformations,
4510 pass_value_profile_transformations): Kill.
4511 * value-prof.h (histogram_value_t): Remove IL based unions.
4512 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
4513 rtl_profile_hooks): Remove hooks.
4515 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
4517 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
4518 (cgraph_clone_node): Likewise.
4519 * cgraph.h (cgraph_clone_edge): Update prototype.
4520 (cgraph_clone_node): Likewise.
4521 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
4523 (lookup_recursive_calls): Consider profile.
4524 (cgraph_decide_recursive_inlining): Fix updating; use new
4525 probability argument; use profile.
4526 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
4527 * tree-inline.c (copy_bb): Update clal of clone_edge.
4528 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
4530 * invoke.texi (min-inline-recursive-probability): Document.
4532 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
4534 * doc/install.texi (Configuration): Update Valgrind homepage.
4536 2005-07-28 Richard Henderson <rth@redhat.com>
4539 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
4540 labels we want to delete.
4541 (cfg_layout_merge_blocks): Likewise.
4543 2005-07-28 Richard Henderson <rth@redhat.com>
4546 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
4547 when expanding to nothing.
4549 2005-07-28 Josh Conner <jconner@apple.com>
4551 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
4552 (cgraph_decide_inlining_of_small_functions): Likewise.
4554 2005-07-28 Josh Conner <jconner@apple.com>
4556 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
4557 direction of badness if negative.
4558 (cgraph_default_inline_p): Add reason to parameters, and assign it
4560 (cgraph_decide_inlining_of_small_functions): New parameter in call
4561 to cgraph_default_inline_p.
4562 (cgraph_decide_inlining_incrementally): Likewise.
4563 * cgraphunit.c (decide_is_function_needed): Likewise.
4564 * cgraph.h (cgraph_default_inline_p): Likewise.
4566 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4568 * builtins.c: Fix comment typo(s).
4569 * genautomata.c: Likewise.
4570 * gimplify.c: Likewise.
4571 * tree-dfa.c: Likewise.
4572 * tree-flow-inline.h: Likewise.
4573 * tree-into-ssa.c: Likewise.
4574 * tree-ssa-alias.c: Likewise.
4575 * tree-ssa-ccp.c: Likewise.
4576 * tree-ssa-copy.c: Likewise.
4577 * tree-ssa-dce.c: Likewise.
4578 * tree-ssa-dom.c: Likewise.
4579 * tree-ssa-operands.c: Likewise.
4580 * tree-tailcall.c: Likewise.
4581 * tree-vectorizer.c: Likewise.
4582 * tree-vrp.c: Likewise.
4585 2005-07-28 Jeff Law <law@redhat.com>
4587 * tree-vrp.c (test_for_singularity): Extracted from ...
4588 (simplify_cond_using_ranges): Attempt to simplify a relational
4589 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
4591 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
4593 PR tree-optimization/22506
4594 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
4595 phis whose argument is constant.
4597 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
4599 PR rtl-optimization/18992
4600 Back out this patch:
4601 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4602 PR optimization/12142
4603 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
4604 uses of the register in the SET_SRC. Remove unnecessary argument.
4606 Replace it with this:
4607 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
4608 if flag_non_call_exceptions is set and the insn may trap, pass
4609 pc_rtx as dest for recursion.
4610 In SET_SRC part of SET case, if dest is already set, pass it down
4613 2005-07-28 Jan Hubicka <jh@suse.cz>
4615 * cfg.c (update_bb_profile_for_threading): Use RDIV.
4616 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
4617 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
4619 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
4620 profile when available.
4622 2005-07-28 Jan Beulich <jbeulich@novell.com>
4624 * config/ia64/ia64.c (ia64_load_pair_ok): New.
4625 (ia64_print_operand): Describe and handle 'X'.
4626 (ia64_register_move_cost): Also handle FP_REGS.
4627 (ia64_preferred_reload_class): Likewise.
4628 (ia64_secondary_reload_class): Likewise.
4629 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
4630 it. Also check for ITANIUM_CLASS_FLDP.
4631 * config/ia64/ia64.h (FP_REGNO_P): New.
4632 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
4633 (reg_class): Add FP_REGS.
4634 (REG_CLASS_NAMES): Adjust for it.
4635 (REG_CLASS_CONTENTS): Likewise.
4636 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
4637 (REG_CLASS_FROM_LETTER): Handle 'x'.
4638 (CLASS_MAX_NREGS): Handle FP_REGS.
4639 (MEMORY_MOVE_COST): Likewise.
4640 * config/ia64/ia64.md (itanium_class): Add fldp.
4641 (type): Handle fldp.
4642 (movti_internal): More allowable operand combinations. Use ldfp8 when
4643 splitting unnecessary. Remove predicable attribute. Adjust
4644 itanium_class attribute.
4645 (smuldi3_highpart): Remove outdated comment.
4646 (mulditi3, umulditi3, rotlti3): New expanders.
4647 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
4648 (absti2): Disabled new insn for future reference.
4649 Respective new splitters.
4650 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
4651 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
4652 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
4654 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
4656 PR rtl-optimization/23047
4657 * simplify-rtx.c (simplify_const_relational_operation): Respect
4658 flag_wrapv for comparisons with ABS.
4660 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
4662 PR tree-optimization/22493
4663 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
4664 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
4666 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
4668 * config/frv/frv.opt (moptimize-membar): New.
4670 * doc/invoke.texi: Document -moptimize-membar and its inverse.
4672 * config/frv/frv.h: Remove machine_function definition.
4674 * config/frv/frv.c (struct frv_io): New.
4675 (struct machine_function): Moved from frv.h. Add has_membar_p.
4676 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
4677 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
4678 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
4679 (frv_optimize_membar_global, frv_optimize_membar): New functions.
4680 (frv_reorg): Call frv_optimize_membar when appropriate.
4681 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
4682 (frv_expand_builtin): Adjust calls accordingly.
4683 (frv_io_address_cookie): New function.
4684 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
4685 load or store rather than a special insn. Add ccnstant address and
4686 io-type operands to the membar.
4687 (frv_ifcvt_modify_tests): Unsign regno.
4688 (frv_ifcvt_modify_tests): Same.
4690 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
4691 UNSPEC_OPTIONAL_MEMBAR constant.
4692 (builtin_read_<mode>): Delete.
4693 (builtin_write_<mode>): Delete.
4694 ("optional_membar_<mode>"): Add operand.
4696 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
4697 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
4698 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
4699 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
4700 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
4701 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
4702 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
4703 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
4704 * testsuite/gcc.target/frv/all-read-write-1.c: New.
4706 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
4708 * df.c (df_uses_record): Handle SCRATCH.
4710 2005-07-28 Steven Bosscher <stevenb@suse.de>
4713 * passes.c (rest_of_decl_compilation): If decl is a type and
4714 we have encountered errors, don't emit debug information.
4716 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
4718 * params.def: Fixed comment.
4720 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
4723 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
4724 (TARGET_ASM_UNALIGNED_HI_OP): Add.
4725 (TARGET_ASM_UNALIGNED_SI_OP): Add.
4727 2005-07-27 Steven Bosscher <stevenb@suse.de>
4730 * varasm.c (assemble_start_function): Don't do anything that may
4731 require a CFG if the current function is a thunk.
4733 2005-07-25 Geoffrey Keating <geoffk@apple.com>
4735 * doc/install.texi (Prerequisites): Mention that perl is needed
4736 to do export control in libstdc++ targetting Darwin.
4738 2005-07-27 Steven Bosscher <stevenb@suse.de>
4740 PR rtl-optimization/17808
4741 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
4742 (sched_insns_conditions_mutex_p): Split out from...
4743 (add_dependence): ...here. But don't call it from here.
4744 (add_dependence_list): Check sched_insns_conditions_mutex_p
4745 before calling add_dependence.
4746 (add_dependence_list_and_free): Likewise.
4747 (fixup_sched_groups): Likewise.
4748 (sched_analyze_1): Likewise.
4749 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
4750 (sched_analyze): Likewise.
4751 (sched_analyze_insn): Likewise.
4752 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
4753 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
4754 dependencies on all COND_EXEC insns to jumps ending basic blocks
4755 when doing intrablock scheduling.
4756 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
4758 2005-07-27 Jeff Law <law@redhat.com>
4760 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
4761 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
4762 equivalency sets, correctly handle the case were vr0 has an
4763 equivalency set, but vr1 does not.
4765 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
4767 PR tree-optimization/23073
4768 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
4769 vect_print_dump_info before fprintf.
4771 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4773 PR tree-optimize/22348
4774 * tree-ssa-loop-niter.c (number_of_iterations_cond):
4775 Fold the partial computation.
4777 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4779 PR tree-optimization/22325
4780 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
4782 * tree-scalar-evolution.c (scev_const_prop): Add generic final
4784 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
4785 (force_var_cost): ... this function.
4786 (compute_phi_arg_on_exit): Export.
4788 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
4790 PR tree-optimization/20773
4791 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
4794 2005-07-27 Richard Guenther <rguenther@suse.de>
4796 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
4797 Avoid pushing again if current struct contains only
4798 fields we decomposed.
4800 2005-07-27 Jan Hubicka <jh@suse.cz>
4802 PR tree-optimization/22574
4803 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
4806 * tree-tailcall.c (decrease_profile): New function.
4807 (eliminate_tail_call): Use it.
4809 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
4810 visibility flags correctly in whole program mode.
4812 2005-07-26 Steve Ellcey <sje@cup.hp.com>
4814 PR rtl-optimization/22472
4815 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
4817 2005-07-26 Steven Bosscher <stevenb@suse.de>
4819 PR tree-optimization/22504
4820 * tree-complex.c (expand_complex_addition): Use 'code' instead
4821 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
4823 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4825 * config.gcc (cpu_type): Add frv case.
4826 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
4827 (supported_defaults): Add fr550 case.
4829 2005-07-26 Diego Novillo <dnovillo@redhat.com>
4832 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
4833 whether a pointer of type T * may point to objects of type T *.
4835 2005-07-26 DJ Delorie <dj@redhat.com>
4837 * configure: Regenerate.
4839 2005-07-26 Dale Johannesen <dalej@apple.com>
4841 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
4843 2005-07-26 Mark Mitchell <mark@codesourcery.com>
4845 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
4846 Clarify use of "build" in name.
4848 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
4850 * doc/extend.texi (Raw read/write Functions): New section.
4851 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
4852 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
4853 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
4854 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
4855 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
4856 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
4857 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
4858 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
4859 * config/frv/frv.c: Add bdesc_loads global.
4860 Add bdesc_stores global.
4861 (frv_init_builtins): Add support for __builtin_{read/write}*.
4862 (frv_volatile_memref): New.
4863 (frv_expand_load_builtin): New.
4864 (frv_expand_store_builtin): New.
4865 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
4866 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
4867 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
4868 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
4869 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
4870 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
4871 (builtin_read_<mode>): New.
4872 (builtin_write_<mode>): New.
4873 (builtin_write64): New.
4874 (optional_membar_<mode>): New.
4876 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
4878 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
4879 (rather than units) against HOST_BITS_PER_WIDE_INT.
4881 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
4883 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
4884 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
4885 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
4886 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
4889 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
4890 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
4891 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
4893 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
4895 2005-07-26 Richard Guenther <rguenther@suse.de>
4897 PR tree-optimization/22486
4898 * fold-const.c (fold_unary): Fold away useless component
4899 references of the form (T *)&T.x, if the address
4902 2005-07-25 James E Wilson <wilson@specifixinc.com>
4904 * dwarf2out.c (add_call_src_coords_attributes): New.
4905 (gen_inlined_subroutine_die): Call it.
4906 (maybe_emit_file, init_file_table): Add comments.
4907 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
4909 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
4910 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
4911 * tree.h (BLOCK_SOURCE_LOCATION): New.
4912 (struct tree_block): New field locus.
4914 2005-07-26 Andreas Schwab <schwab@suse.de>
4916 PR rtl-optimization/23043
4917 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
4918 when allocating a struct unoccr.
4920 2005-07-25 Richard Henderson <rth@redhat.com>
4923 * tree-complex.c (gate_no_optimization): True if errors.
4924 * Makefile.in (tree-complex.o): Update dependencies.
4926 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
4928 * config/frv/predicates.md (integer_register_operand): Use
4931 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4934 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
4936 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
4938 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
4940 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
4941 types when flag_unsafe_math_optimizations is true.
4943 2005-07-25 Mark Mitchell <mark@codesourcery.com>
4945 * gcc.c (option_map): Add --sysroot.
4946 (process_command): Handle --sysroot.
4947 (display_help): Document it.
4948 * doc/cppopts.tex (-isysroot): Document.
4949 * doc/invoke.texi (--sysroot): Document.
4950 * doc/install.texi (--with-build-sysroot): Document.
4952 * Makefile.in (inhibit_libc): New variable.
4953 (INHIBIT_LIBC_CFLAGS): Likewise.
4954 (LIBGCC2_CFLAGS): Include
4955 $(INHIBIT_LIBC_CFLAGS).
4956 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
4957 ($(T)crtbegin.o): Do not use @inhibit_libc@.
4958 ($(T)crtend.o): Likewise.
4959 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
4960 ($(T)crtendS.o): Likewise.
4961 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
4962 ($(T)crtendT.o): Likewise.
4963 (stmp-fixinc): Do not complain about missing headers if
4965 * configure.ac (inhibit_libc): Set it to true/false.
4966 (--with-build-sysroot): New option. Use it to set
4968 * configure: Regenerated.
4970 2005-07-25 Manfred Hollstein <mh@suse.com>
4972 * calls.c (store_one_arg): Fix unsigned comparison warning.
4974 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
4977 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
4978 (ggc_print_statistics): Initialize variable before use.
4980 2005-07-25 Richard Guenther <rguenther@suse.de>
4982 * tree-dfa.c (mark_new_vars_to_rename): Protect against
4983 calling with a PHI_NODE argument.
4985 * tree-flow-inline.h (overlap_subvar): Protect against
4988 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
4990 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
4991 * configure: Regenerate.
4993 2005-07-25 Ira Rosen <irar@il.ibm.com>
4995 * expr.c (highest_pow2_factor): Make extern.
4996 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
4997 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
4998 record_array_differ_p, array_ptr_differ_p): Likewise.
4999 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
5000 additional cases. Call the above functions.
5001 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
5002 base_object_differ_p when there are two base objects. Otherwise, compare
5003 base address and offset. Call may_alias_p.
5004 (dump_data_reference): Use a correct field name.
5005 (analyze_array): Make static. Initialize new data-ref fields.
5006 (analyze_indirect_ref): New function.
5007 (init_data_ref): Initialize new data-ref fields.
5008 (strip_conversion): Moved from tree-vect-analyze.c.
5009 (analyze_offset_expr, get_ptr_offset, address_analysis,
5010 object_analysis): Likewise.
5011 (analyze_offset): New function.
5012 (create_data_ref): Likewise.
5013 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
5014 dimensions for ARRAY_REFs only.
5015 (build_classic_dist_vector): Make static.
5016 (access_functions_are_affine_or_constant_p): Call macro to get the
5017 address of access functions.
5018 (compute_all_dependences): Add new parameter
5019 compute_self_and_read_read_dependences. Compute self and read-read
5020 dependences if it is true.
5021 (find_data_references_in_loop): Call create_data_ref. Initialize new
5023 (compute_data_dependences_for_loop): Add new parameter
5024 compute_self_and_read_read_dependences. Remove parameter nb_loops,
5025 compute nb_loops. Call compute_all_dependences,
5026 build_classic_dist_vector and build_classic_dir_vector with correct
5028 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
5029 with correct parameters. Compare dimensions for ARRAY_REFs only.
5030 (free_data_refs): Call macro to free access functions.
5031 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
5032 fields from stmt_vinfo.
5033 (struct base_object_info): New structure.
5034 (struct data_reference): Move fields to base_object_info. Add fields
5035 first_location and object_info for above structures. Move fields from
5036 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
5037 aligned_to. Add macros to access the new fields.
5038 Update functions declarations.
5039 * tree-flow.h (is_aliased_with): Declare.
5040 * tree-loop-linear.c (linear_transform_loops): Call
5041 compute_data_dependences_for_loop with correct parameters.
5042 * tree-ssa-alias.c (is_aliased_with): New function.
5043 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
5044 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
5045 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
5046 vect_base_addr_differ_p, compute_subscript_distance and
5047 build_classic_dist_vector. Add printings. Check absolute value of
5049 (vect_analyze_data_ref_dependences): Go through ddrs instead of
5051 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
5052 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
5053 to bytes. Add printing.
5054 (vect_compute_data_refs_alignment): Go through loads and stores in one
5056 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
5057 vect_analyze_data_ref_access): Likewise.
5058 (vect_analyze_pointer_ref_access): Remove.
5059 (vect_address_analysis, vect_object_analysis): Likewise.
5060 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
5061 and analyze data-refs in the loop.
5062 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
5063 fields of data-ref instead of stmt. Add init to the offset from the
5065 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
5066 (vect_update_init_of_dr): Likewise.
5067 (vect_update_inits_of_drs): Go through loads and stores in one loop.
5068 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
5070 (new_loop_vec_info): Initialize new fields.
5071 (destroy_loop_vec_info): Free new fields.
5072 (vect_strip_conversion): Remove.
5073 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
5074 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
5075 datarefs. Add new field ddrs.
5076 Add macros for the new fields access.
5077 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
5078 base_aligned_p, misalignment, memtag, ptr_info and subvars.
5079 Remove their macros.
5080 * tree.h (highest_pow2_factor): Declare.
5082 2005-07-25 Jakub Jelinek <jakub@redhat.com>
5084 * calls.c (store_one_arg): Check for sibling call MEM arguments
5085 from already clobbered incoming argument area.
5087 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5089 * c-common.c (check_missing_format_attribute): New.
5090 * c-common.h (check_missing_format_attribute): Likewise.
5091 * c-typeck.c (convert_for_assignment): Use it.
5093 2005-07-24 Andreas Schwab <schwab@suse.de>
5095 * config/m68k/m68k.md ("extendqidi2"): When source is an address
5096 register use a word move. Correct operand of ext.w in 68000 code.
5098 2005-07-23 Mark Mitchell <mark@codesourcery.com>
5100 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
5101 variables as declarations, rather than definitions.
5103 2005-07-24 Ira Rosen <irar@il.ibm.com>
5105 PR tree-optimization/22526
5106 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
5109 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5111 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
5112 that C99 reserve for future use. Use it to define clog10,
5113 clog10f and clog10l.
5115 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5117 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
5118 * configure.ac: Check for -Wmissing-format-attribute.
5120 * configure: Regenerate.
5122 2005-07-23 Richard Henderson <rth@redhat.com>
5124 PR tree-optimization/22623
5125 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
5127 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
5130 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
5132 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5134 * Makefile.in (C_TREE_H): Update dependencies.
5135 * c-tree.h: Include toplev.h.
5136 * diagnostic.h (diagnostic_set_info): Add format attribute.
5137 * rtl-error.c (diagnostic_for_asm): Likewise.
5139 2005-07-23 Chao-ying Fu <fu@mips.com>
5141 * config/mips/mips-dsp.md: New file.
5142 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
5143 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
5145 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
5146 MIPS_BUILTIN_BPOSGE32.
5147 (mips_expand_builtin_direct): Add one parameter to indicate that
5148 builtin functions need to return a value.
5149 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
5151 (mips_regno_to_class): Add classes for 12 new DSP registers.
5152 (mips_subword): Change to check four HI registers.
5153 (mips_output_move): Output move to and from 6 new DSP accumulators.
5154 (override_options): Make sure -mdsp and -mips16 are not used together.
5155 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
5157 (mips_conditional_register_usage): Disable 6 new DSP accumulators
5159 (print_operand): Add 'q' for printing DSP accumulators.
5160 (mips_cannot_change_mode_class): Check ACC_REGS.
5161 (mips_secondary_reload_class): Check ACC_REGS.
5162 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
5163 (mips_register_move_cost): Check ACC_REGS.
5164 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
5165 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
5166 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
5167 (dsp_bdesc): New array.
5168 (bdesc_arrays): Add DSP builtin function table.
5169 (mips_prepare_builtin_arg): Check predicate again after
5171 (mips_expand_builtin): Add one more parameter to
5172 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
5173 MIPS_BUILTIN_BPOSGE32.
5174 (mips_init_builtins): Initialize new function types.
5175 (mips_expand_builtin_direct): Check if builtin functions need to
5176 return a value and pass operands properly.
5177 (mips_expand_builtin_bposge): New function.
5178 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
5179 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
5180 (FIRST_PSEUDO_REGISTER): Increase to 188.
5181 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
5182 Update for 12 new DSP registers.
5183 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
5184 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
5185 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
5186 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
5187 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
5188 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
5189 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
5190 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
5191 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
5192 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
5193 (REGISTER_NAMES): Add names for 12 new DSP registers.
5194 * config/mips/mips.md: Include mips-dsp.md.
5195 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
5196 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
5197 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
5198 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
5199 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
5200 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
5201 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
5202 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
5203 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
5204 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
5205 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
5206 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
5207 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
5208 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
5209 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
5210 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
5211 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
5212 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
5213 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
5214 (UNSPEC_RDDSP): New constants.
5215 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
5216 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
5218 * config/mips/mips.opt (-mdsp): New option.
5219 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
5220 (reg_imm10_operand): New predicates.
5221 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
5222 * doc/invoke.texi (-mdsp): Document new option.
5224 2005-07-22 DJ Delorie <dj@redhat.com>
5226 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
5228 * tree-inline.c (inlinable_function_p): Likewise.
5230 2005-07-22 Mark Mitchell <mark@codesourcery.com>
5233 * toplev.c (check_global_declarations): Do not mark undefined
5234 variables as DECL_IGNORED_P.
5235 * varasm.c (first_global_object_name): GTY it.
5236 (weak_global_object_name): Likewise.
5237 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
5238 a string to go into {weak,first}_global_object_name.
5240 2005-07-22 DJ Delorie <dj@redhat.com>
5242 * c-format.c (check_function_format): Change warning control
5243 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
5245 2005-07-22 Diego Novillo <dnovillo@redhat.com>
5247 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
5248 &PTR->FLD a dereference of PTR.
5249 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
5250 a potential dereference of PTR.
5252 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
5254 PR rtl-optimization/20370
5255 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
5256 call allocate_reg_info if necessary.
5258 PR rtl-optimization/21848
5259 * calls.c (emit_library_call_value_1): For const functions, add
5260 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
5262 PR rtl-optimization/22445
5263 * cselib.c (target.h): Include.
5264 (rtx_equal_for_cselib_p): Allow commutative matches.
5265 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
5266 Remove MODE parameter. Changed all callers.
5268 PR rtl-optimization/22258
5269 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
5271 (try_combine): Use likely_spilled_retval_p.
5273 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
5275 * config.gcc: Add crx-elf support.
5277 * doc/contrib.texi: Mention crx.
5278 * doc/extend.texi: Document crx extensions.
5279 * doc/install.texi: Document crx install.
5280 * doc/invoke.texi: Document crx options.
5281 * doc/md.texi: Document crx constraints.
5283 * config/crx/crx-protos.h: New file.
5284 * config/crx/crx.c: New file.
5285 * config/crx/crx.h: New file.
5286 * config/crx/crx.md: New file.
5287 * config/crx/crx.opt: New file.
5288 * config/crx/t-crx: New file.
5290 2005-07-22 Manfred Hollstein <mh@suse.com>
5292 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
5294 (int_add_graph_edge): Likewise.
5295 (collapse_nodes): Likewise.
5296 (process_unification_queue): Likewise.
5298 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5299 Laurent GUERBY <laurent@guerby.net>
5301 PR tree-optimization/22336
5302 * function.c (record_block_change): Check for
5303 cfun->ib_boundaries_block.
5305 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
5307 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
5308 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
5310 2005-07-21 DJ Delorie <dj@redhat.com>
5312 * toplev.c (warn_deprecated_use): Add warning control to warning
5314 * c-typeck.c (parser_build_binary_op): Likewise.
5315 (c_finish_if_stmt): Likewise.
5316 * c-common.c (check_function_sentinel): Likewise.
5317 (check_nonnull_arg): Likewise.
5319 2005-07-21 Richard Henderson <rth@redhat.com>
5322 * tree-complex.c (complex_ssa_name_components): New.
5323 (cvc_lookup): Allow entry not found.
5324 (create_components): Remove.
5325 (create_one_component_var, get_component_var): New.
5326 (get_component_ssa_name, set_component_ssa_name): New.
5327 (extract_component): Use get_component_ssa_name.
5328 (update_complex_components): Use set_component_ssa_name.
5329 (update_complex_components_on_edge): Likewise.
5330 (update_phi_components): Create new PHI nodes directly, instead
5331 of adding insns to edges.
5332 (tree_lower_complex): Allocate and free complex_variable_components
5333 and complex_ssa_name_components here.
5335 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
5337 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
5338 revert to returning false.
5340 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5343 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
5345 2005-07-21 Uros Bizjak <uros@kss-loka.si>
5348 * config/i386/i386.md (cmpxf): Change operand constraints
5349 to "nonmemory_operand".
5351 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5353 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
5355 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5358 * fold-const.c (fold_build1): Add checksum for the operands.
5359 (fold_build2): Likewise.
5360 (fold_build3): Likewise.
5362 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
5365 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
5367 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5369 * common.opt (-fforward-propagate): Committed by mistake,
5372 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5374 * reg-stack.c: Fix comment typo(s).
5375 * tree-ssa-operands.c: Likewise.
5376 * tree-vectorizer: Likewise.
5378 2005-07-21 Nick Clifton <nickc@redhat.com>
5380 * config/sh/symbian.c: Replace C++ style line comments with C
5381 style line comments.
5382 (symbian_add_attribute): Do not use a ? operator on the LHS of
5384 (sh_symbian_handle_dll_attribute): Change the type of the
5385 method vector to "VEC(tree,gc)*" and use vector accessor
5386 macros to walk over the elements.
5387 (symbian_export_vtable_and_rtti_p): Likewise.
5388 (symbian_class_needs_attribute_p): Likewise.
5390 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5393 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
5394 initialize targetm.resolve_overloaded_builtin here.
5395 (altivec_expand_overloaded_builtin): Make it non-static.
5396 * config/rs6000/rs6000-protos.h
5397 (altivec_expand_overloaded_builtin): New prototype.
5398 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
5399 targetm.resolve_overloaded_builtin here.
5400 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
5402 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
5403 Zdenek Dvorak <dvorakz@suse.cz>
5405 PR tree-optimization/19210
5406 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
5408 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
5409 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
5410 rely on unproven assumptions.
5411 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
5412 * tree-flow.h (number_of_iterations_exit): Add final parameter.
5413 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
5414 to number_of_iterations_exit.
5415 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
5416 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
5417 * tree-ssa-loop-niter.c (find_loop_niter,
5418 estimate_numbers_of_iterations_loop): Likewise.
5419 (number_of_iterations_exit): Honor the new options.
5420 * doc/invoke.texi (Wunsafe-loop-optimizations,
5421 funsafe-loop-optimizations): Document them.
5423 2005-07-21 Richard Sandiford <richard@codesourcery.com>
5425 PR rtl-optimization/22167
5426 * gcse.c (hoist_code): Fix hoist_exprs[] check.
5428 2005-07-20 Adam Nemet <anemet@lnxw.com>
5430 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
5431 __do_global_dtors_aux longcall.
5433 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
5435 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
5436 (old_special_pred_table): Don't reference
5437 SPECIAL_MODE_PREDICATES.
5438 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
5439 * config/arc/arc.h: Don't mention PREDICATE_CODES.
5440 * config/sh/predicates.h: Don't mention
5441 SPECIAL_MODE_PREDICATES.
5442 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
5445 2005-07-20 DJ Delorie <dj@redhat.com>
5447 * config.gcc: Add m32c-elf support.
5449 * doc/contrib.texi: Mention m32c.
5450 * doc/extend.texi: Document m32c extensions.
5451 * doc/install.texi: Mention m32c.
5452 * doc/invoke.texi: Document m32c options.
5453 * doc/md.texi: Document m32c constraints.
5455 * config/m32c/addsub.md: New file.
5456 * config/m32c/bitops.md: New file.
5457 * config/m32c/cond.md: New file.
5458 * config/m32c/jump.md: New file.
5459 * config/m32c/m32c-lib1.S: New file.
5460 * config/m32c/m32c-lib2.c: New file.
5461 * config/m32c/m32c-modes.def: New file.
5462 * config/m32c/m32c-pragma.c: New file.
5463 * config/m32c/m32c-protos.h: New file.
5464 * config/m32c/m32c.abi: New file.
5465 * config/m32c/m32c.c: New file.
5466 * config/m32c/m32c.h: New file.
5467 * config/m32c/m32c.md: New file.
5468 * config/m32c/m32c.opt: New file.
5469 * config/m32c/minmax.md: New file.
5470 * config/m32c/mov.md: New file.
5471 * config/m32c/muldiv.md: New file.
5472 * config/m32c/predicates.md: New file.
5473 * config/m32c/prologue.md: New file.
5474 * config/m32c/shift.md: New file.
5475 * config/m32c/t-m32c: New file.
5477 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5479 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
5480 (stack_protect_set, stack_protect_test): New expanders.
5481 (stack_protect_set_si, stack_protect_set_si_media,
5482 stack_protect_set_di_media, stack_protect_test_si,
5483 stack_protect_test_si_media, stack_protect_test_di_media):
5486 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
5488 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
5490 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
5492 * tree.h (tree_expr_nonzero_p): Export.
5493 * fold-const.c (tree_expr_nonzero_p): Likewise.
5494 Return true for CALL_EXPRs that are alloca calls.
5495 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
5497 * tree-flow.h (expr_computes_nonzero): Remove.
5498 * tree-vrp.c (expr_computes_nonzero): Remove.
5499 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
5500 (extract_range_from_unary_expr): Likewise.
5501 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
5502 tree_expr_nonzero_p.
5504 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
5506 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
5507 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
5508 extra arg "picreg" and use it instead of pic_offset_table_rtx.
5509 All callers changed.
5510 (frame_related_constant_load): New arg "related" which controls
5511 setting of RTX_FRAME_RELATED_P. All callers changed.
5512 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
5513 (bfin_expand_prologue): Add stack limit checking.
5514 * config/bfin/bfin.md (trapifcc): New pattern.
5516 * config/bfin/bfin.c: Include "langhooks.h".
5517 (def_builtin): Go through lang_hooks to call builtin_function.
5519 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
5520 * config/bfin/predicates.md (symbol_ref_operand): New.
5521 (call_insn_operand): Delete. All callers changed to use
5522 register_no_elim_operand.
5523 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
5525 (function_arg): Use it to generate the call's operand 2.
5526 (bfin_longcall_p): New function.
5527 (bfin_expand_call): Extra arg "cookie". All callers and declaration
5528 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
5529 determine if the address needs to be in a REG.
5530 (bfin_handle_longcall_attribute): New function.
5531 (bfin_attribute_table): Add "longcall" and "shortcall".
5532 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
5533 (CUMULATIVE_ARGS): New member call_cookie.
5534 (PREDICATE_CODES): Add symbol_ref_operand.
5535 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
5536 extra USE to the pattern.
5537 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
5538 New patterns, split off call_insn, sibcall_insn, call_value_insn and
5539 sibcall_value_insn; now the new patterns handle direct calls and the
5540 old ones indirect calls.
5541 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
5543 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
5545 * doc/trouble.texi: Update section on handling of empty loops.
5547 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
5549 * config.gcc: Remove support for sparc-*-openbsd*,
5550 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
5552 * config.host: Remove support for i860-*-sysv4* as a host.
5553 * config/i860/*, config/ip2k/*, config/ns32k/*,
5554 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
5555 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
5556 mention obsolete ports.
5558 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
5560 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
5562 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
5563 of frame_pointer_rtx.
5564 (sh_expand_epilogue): Likewise.
5565 (sh_set_return_address): Likewise.
5566 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
5567 instead of FRAME_POINTER_REGNUM if needed. Add elimination
5568 offsets from FRAME_POINTER_REGNUM.
5569 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
5570 (sh_register_names): Add initializer for sfp.
5571 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
5572 (VALID_REGISTER_P): Likewise.
5573 (FIRST_PSEUDO_REGISTER): Update.
5574 (DWARF_FRAME_REGISTERS): Define.
5575 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
5576 (HARD_FRAME_POINTER_REGNUM): Define.
5577 (FRAME_POINTER_REGNUM): Redefine.
5578 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
5579 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
5580 from FRAME_POINTER_REGNUM.
5581 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
5582 FRAME_POINTER_REGNUM.
5583 (REG_CLASS_CONTENTS): Add sfp.
5584 (REG_ALLOC_ORDER): Likewise.
5585 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
5586 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
5587 of frame_pointer_rtx.
5588 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
5590 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
5592 * fold-const.c (tree_expr_nonnegative_p): Only return true for
5593 ABS_EXPR when flag_wrapv is false because of INT_MIN.
5594 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
5596 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
5599 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
5601 Make CONSTRUCTOR use VEC to store initializers.
5602 * c-common.c (complete_array_type): Update to cope with VEC in
5604 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
5605 (pp_c_constructor_elts): New function.
5606 * c-pretty-print.h (pp_c_constructor_elts): Declare.
5607 * c-typeck.c (build_function_call, build_c_cast, digest_init,
5608 struct constructor_stack, struct initializer_stack,
5609 constructor_elements, push_init_level, pop_init_level,
5610 add_pending_init, find_init_member, output_init_element): Update to
5611 cope with VEC in CONSTRUCTOR_ELTS.
5612 * coverage.c (build_fn_info_value, build_ctr_info_value,
5613 build_gcov_info): Likewise.
5614 * expr.c (categorize_ctor_elements_1, store_constructor,
5615 expand_expr_real_1): Likewise.
5616 * fold-const.c (fold_ternary): Likewise.
5617 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
5618 gimplify_init_constructor, gimplify_expr): Likewise.
5619 * tree-dump.c (dequeue_and_dump): Likewise.
5620 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
5622 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
5624 * tree-sra.c (generate_element_init_1): Likewise.
5625 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
5626 * tree-ssa-operands.c (get_expr_operands): Likewise.
5627 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
5628 * tree-vect-transform.c (vect_get_vec_def_for_operand):
5629 (get_initial_def_for_reduction): Likewise.
5630 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
5631 value handle in annotations.
5632 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
5633 tree_node_structure): Add support for constr_kind.
5634 (build_vector_from_ctor, build_constructor_single,
5635 build_constructor_from_list): New functions.
5636 (build_constructor): Update to take a VEC instead of a TREE_LIST.
5637 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
5638 Update to cope with VEC in CONSTRUCTOR_ELTS.
5639 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
5640 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
5641 CONSTRUCTOR_APPEND_ELT): New macros.
5642 (struct constructor_elt, struct tree_constructor): New data types.
5643 (union tree_node): Add tree_constructor field.
5644 * treestruct.def: Define TS_CONSTRUCTOR.
5645 * varasm.c (const_hash_1, compare_constant, copy_constant,
5646 compute_reloc_for_constant, output_addressed_constants,
5647 initializer_constant_valid_p, output_constant,
5648 array_size_for_constructor, output_constructor): Update to cope with
5649 VEC in CONSTRUCTOR_ELTS.
5650 * vec.h (VEC_empty, VEC_copy): New macros.
5652 2005-07-19 Devang Patel <dpatel@apple.com>
5654 * dbxout.c (dbxout_type): Check Objective-C++ lang.
5656 2005-07-19 Richard Henderson <rth@redhat.com>
5659 * gimplify.c (gimplify_expr): Use main variant type for the temp
5660 destination for a discarded volatile read.
5661 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
5662 casts between non-void types that change volatility.
5664 2005-07-15 DJ Delorie <dj@redhat.com>
5666 * toplev.h: Add comment about the first parameter for warning().
5667 * errors.h: Likewise.
5669 * c.opt (Wpragmas): New.
5670 * doc/invoke.texi: Document it.
5672 * function.c (do_warn_unused_parameter): Add warning control to
5674 * c-decl.c (warn_if_shadowing): Likewise.
5675 * c-lex.c (cb_def_pragma): Likewise.
5676 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
5677 (pop_alignment): Likewise.
5678 (handle_pragma_pack): Likewise.
5679 (apply_pragma_weak): Likewise.
5680 (handle_pragma_weak): Likewise.
5681 (handle_pragma_redefine_extname): Likewise.
5682 (add_to_renaming_pragma_list): Likewise.
5683 (handle_pragma_extern_prefix): Likewise.
5684 (maybe_apply_renaming_pragma): Likewise.
5685 (handle_pragma_visibility): Likewise.
5687 * config/c4x/c4x-c.c (BAD): Likewise.
5688 (c4x_parse_pragma): Likewise.
5689 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
5690 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
5691 (rs6000_pragma_longcall): Likewise.
5692 * config/v850/v850-c.c (pop_data_area): Likewise.
5693 (ghs_pragma_section): Likewise.
5694 (ghs_pragma_section): Likewise.
5695 (ghs_pragma_interrupt): Likewise.
5696 (ghs_pragma_starttda): Likewise.
5697 (ghs_pragma_startsda): Likewise.
5698 (ghs_pragma_startzda): Likewise.
5699 (ghs_pragma_endtda): Likewise.
5700 (ghs_pragma_endsda): Likewise.
5701 (ghs_pragma_endzda): Likewise.
5703 2005-07-19 Danny Berlin <dberlin@dberlin.org>
5704 Kenneth Zadeck <zadeck@naturalbridge.com>
5706 * Makefile.in: Removed tree-promote-statics.c
5707 * tree-promote-statics.c: Removed.
5708 * common.opt: Removed flag-promote-statics.
5710 * passes.c: Removed tree-promote-statics pass.
5711 * tree-pass.h: Ditto.
5712 * timevar.def: Removed TV_PROMOTE_STATICS.
5715 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
5717 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
5719 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
5721 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5724 * c-common.c (check_function_arguments): Call
5725 'check_function_format' if either -Wformat or
5726 -Wmissing-format-attribute are specified.
5727 * c-format.c (check_function_format): Check -Wformat before
5728 calling 'check_format_info'.
5729 * c-opts.c (c_common_post_options): Don't warn for
5730 -Wmissing-format-attribute without -Wformat.
5731 * c-typeck.c (convert_for_assignment): Detect additional cases for
5732 -Wmissing-format-attribute.
5733 * doc/invoke.texi (-Wmissing-format-attribute): Document new
5736 2005-07-19 Richard Guenther <rguenther@suse.de>
5738 * config/i386/i386.md (lrint<mode>2): Use temporary
5739 instead of clobbering non-existent memory.
5741 2005-07-19 Nick Clifton <nickc@redhat.com>
5743 * config/avr/avr.c (legitimate_address_p): Fix debugging print
5744 statement to avoid displaying ASCII control characters.
5746 2005-07-19 Ben Elliston <bje@au.ibm.com>
5748 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
5749 * cfganal.c (find_edge_index): Ditto.
5750 * combine.c (combine_instructions): Ditto.
5751 * ddg.c (create_scc): Ditto.
5752 (find_successors): Ditto.
5753 (find_predecessors): Ditto.
5754 (find_nodes_on_paths): Ditto.
5755 (longest_simple_path): Ditto.
5756 * flow.c (update_life_info): Ditto.
5757 (count_or_remove_death_notes): Ditto.
5758 (clear_log_links): Ditto.
5759 * modulo-sched.c (generate_reg_moves): Ditto.
5760 (find_max_asap): Ditto.
5761 (find_max_hv_min_mob): Ditto.
5762 (find_max_dv_min_mob): Ditto.
5763 * sbitmap.c (sbitmap_first_set_bit): Ditto.
5764 * sched-rgn.c (extract_edgelst): Ditto.
5765 * tree-into-ssa.c (prepare_names_to_update): Ditto.
5766 (dump_update_ssa): Ditto.
5767 (ssa_names_to_replace) Ditto.
5768 (switch_virtuals_to_full_rewrite): Ditto.
5769 (update_ssa): Ditto.
5770 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
5772 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
5774 Fix PR tree-optimization/22483
5776 * tree-complex.c (create_components): Use
5777 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
5778 * tree-flow-inline.h (fill_referenced_var_vec): New function.
5779 * tree-flow.h (safe_referenced_var_iterator): New structure.
5780 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
5781 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
5782 safe_referenced_var iterator.
5783 (add_type_alias): Ditto.
5785 2005-07-19 Steven Bosscher <stevenb@suse.de>
5787 * loop-init.c (rest_of_handle_loop2): Remove.
5788 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
5789 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
5790 (pass_rtl_loop_init, pass_rtl_loop_done,
5791 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
5792 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
5793 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
5794 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
5795 pass_tree_loop_done, and pass_tree_unswitch.
5796 (gate_loop): Rename to gate_tree_loop.
5797 * passes.c (init_optimization_passes): Update for renamed tree
5798 loop passes. Add the new loop2 passes as subpasses of loop2.
5799 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
5800 Update for the renamed tree loop passes.
5802 2005-07-18 Ian Lance Taylor <ian@airs.com>
5805 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
5806 blocks when optimizing.
5808 2005-07-18 Steve Ellcey <sje@cup.hp.com>
5810 * common.opt (frename-registers): Initialize to 2.
5812 (fgcse-after-reload): Ditto.
5813 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
5814 (process_options): Only change flag_web, flag_rename_registers,
5815 and flag_rerun_cse_after_loop if not explicitly set by user.
5817 2005-07-18 Jan Beulich <jbeulich@novell.com>
5819 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
5820 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
5821 in 64-bit mode the same as DImode in 32-bit mode.
5822 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
5823 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
5824 mode. Add new mode parameter.
5825 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
5826 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
5827 x86_64_shift_adj): New expanders.
5828 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
5829 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
5831 Respective new splitters. Use renamed shift splitter helpers in 32-bit
5832 DImode shift splitters.
5833 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
5834 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
5837 2005-07-18 Jan Beulich <jbeulich@novell.com>
5839 * i386.md (movdi_extzv_1): New.
5840 (zero_extendhidi2): Combine alternatives and never force use of
5842 (zero_extendqidi2): Likewise. Don't restrict input selection.
5844 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5846 Fix PR tree-optimization/22531
5847 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
5850 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5852 * tree-promote-statics.c (pass_promote_statics): Change dump file
5855 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
5857 * tree-optimize.c (init_tree_optimization_passes): Add
5858 pass_eliminate_useless_stores pass.
5859 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
5860 * tree-ssa-pre.c (is_copy_stmt): New function.
5861 (follow_copies_till_vuse): Ditto.
5862 (do_eustores): Ditto.
5863 (gate_eustores): Ditto.
5865 2005-07-16 Richard Henderson <rth@redhat.com>
5867 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
5869 2005-07-16 Danny Berlin <dberlin@dberlin.org>
5870 Kenneth Zadeck <zadeck@naturalbridge.com>
5872 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
5873 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
5874 ipa-type-escape.h, tree-promote-statics.c
5875 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
5876 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
5877 tree-promote-statics.c: new files.
5878 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
5879 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
5880 int nonlocal_set_p, mark_constant_function): Deleted.
5881 (rest_of_handle_cfg): Removed call to mark_constant_function.
5882 (nonoverlapping_component_refs_p): Added calls to support
5883 type based aliasing.
5884 * tree-ssa-alias.c (may_alias_p,
5885 compute_flow_insensitive_aliasing): Ditto.
5886 * calls.c (flags_from_decl_or_type): Removed reference to
5888 * c-typeck.c (convert_arguments): Make builtins tolerant of having
5889 too many arguments. This is necessary for Spec 2000.
5890 * cgraph.h (const_function, pure_function): Removed.
5891 * common.opt: Added "fipa-pure-const", "fipa-reference",
5892 "fipa-type-escape", and "ftree-promote-static".
5894 * passes.c: Added ipa and tree-promote-statics passes.
5895 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
5896 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
5897 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
5898 * tree-flow.h: Added exposed sra calls and addition of
5899 reference_vars_info field for FUNCTION_DECLS.
5900 * tree-pass.h: Added passes.
5901 * tree-sra.c: (sra_init_cache): New function.
5902 (sra_insert_before, sra_insert_after) Made public.
5903 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
5905 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
5906 aliasing. (may_alias_p): Added code to use type escape analysis to
5908 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
5909 code to prune clobbers of static variables based on information
5910 produced in ipa-reference pass. Changed call clobbering so that
5911 statics are not marked as clobbered if the call does not clobber
5914 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
5916 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
5919 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
5921 * doc/install.texi (*-*-solaris2*): Document recommended version
5922 of GNU binutils and mention GNU linker problem on Solaris 10.
5924 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
5927 * c-decl.c (c_build_bitfield_integer_type): New function.
5928 (finish_struct): Call it.
5929 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
5931 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5933 * c-typeck.c (digest_init): Call 'convert_for_assignment'
5936 2005-07-16 Jan Hubicka <jh@suse.cz>
5938 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
5939 (scale_bbs_frequencies_int): Watch roundoff errors.
5940 * predict.c (return_prediction): Initialize return_stmt.
5942 2005-07-16 Jan Hubicka <jh@suse.cz>
5944 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
5945 after RTL profiling.
5947 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
5950 * fold-const.c (build_range_check): Convert high/low to etype
5951 if we are only comparing against exp.
5953 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
5955 Fix PR tree-optimization/22376
5956 * tree-ssa-structalias.c (build_constraint_graph): We really meant
5958 (need_to_solve): New function.
5959 (compute_points_to_sets): Use it.
5961 2005-07-15 Jan Hubicka <jh@suse.cz>
5963 * cfg.c (update_bb_profile_for_threading): More diagnostic.
5964 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
5966 2005-07-15 Richard Guenther <rguenther@suse.de>
5968 * c-common.c (handle_flatten_attribute): New function.
5969 Add flatten function attribute.
5970 * doc/extend.texi: Document flatten function attribute.
5971 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
5972 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
5974 (cgraph_decide_inlining): Handle functions with flatten
5977 2005-07-14 David Edelsohn <edelsohn@gnu.org>
5979 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
5980 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
5981 UNSPEC_XCHG, UNSPEC_AND): New.
5982 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
5983 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
5984 * config/rs6000/sync.md (FETCHOP): New code macro.
5985 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
5987 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
5988 (sync_compare_and_swap<mode>): Same.
5989 (sync_lock_test_and_set<mode>): Same.
5990 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
5991 for QImode and HImode, and not PPC405.
5992 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
5993 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
5994 (sync_<fetchop>{si,di}_internal): New.
5995 (sync_nand{si,di}_internal): New.
5996 (sync_old_<fetchop>{si,di}_internal): New.
5997 (sync_old_nand{si,di}_internal): New
5998 (sync_new_<fetchop>{si,di}_internal): New.
5999 (sync_new_nand{si,di}_internal): New.
6000 (atomic_and{si,di}): New.
6001 (sync_new_nand{si,di}_internal): New.
6002 (atomic_and{si,di}): New.
6003 (sync_add<mode>_internal): Delete.
6004 (sync_addshort_internal): Use unspec instead of unspec_volatile.
6005 (sync_sub<mode>_internal): Delte.
6006 (sync_subshort_internal): New.
6007 (sync_andsi_internal): Use unspec instead of unspec_volatile.
6008 (sync_anddi_internal): Delete.
6009 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
6010 (sync_booldi_internal): Delete.
6011 (sync_boolc<mode>_internal): Delete.
6012 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
6013 (sync_boolc<mode>_internal2): Delete.
6014 (sync_boolcc<mode>_internal): Delete.
6015 (isync, lwsync): Use unspec instead of unspec_volatile.
6016 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
6017 Revert UNSPEC_VOLATILE.
6018 (rs6000_split_atomic_op): New.
6019 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
6021 2005-07-14 Eric Christopher <echristo@redhat.com>
6023 * config/mips/mips.c (mips_canonicalize_comparison): Cast
6024 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
6026 2005-07-14 Eric Christopher <echristo@redhat.com>
6028 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
6030 2005-07-14 Steven Bosscher <stevenb@suse.de>
6032 PR tree-optimization/22230
6033 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
6034 the computation of the four cross productions for "range op range".
6036 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
6037 Ulrich Weigand <uweigand@de.ibm.com>
6040 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
6043 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
6045 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
6047 2005-07-14 Steve Ellcey <sje@cup.hp.com>
6049 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
6051 2005-07-14 Richard Guenther <rguenther@suse.de>
6054 * config/i386/i386-protos.h (ix86_function_value): Change
6055 prototype to match new target hook.
6056 * config/i386/i386.c (ix86_value_regno): Change prototype
6057 to take extra type argument.
6058 (TARGET_FUNCTION_VALUE): Define.
6059 (ix86_function_ok_for_sibcall): Pass extra argument to
6060 ix86_value_regno, check return slot rtx for exact match.
6061 (ix86_function_value): Take extra parameter. Dispatch to
6062 ix86_value_regno with fndecl/fntype as provided.
6063 (ix86_value_regno): Handle extra type argument.
6064 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
6066 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
6067 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
6068 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
6069 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
6070 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
6072 2005-07-14 Richard Guenther <rguenther@suse.de>
6074 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
6075 * calls.c (expand_call): Pass fntype to hard_function_value.
6076 (emit_library_call_value_1): Likewise.
6077 * explow.c: Include target.h.
6078 (hard_function_value): Take extra argument, the fntype.
6079 Use new target hook for function_value.
6080 * expr.h (hard_function_value): Change prototype.
6081 * function.c (aggregate_value_p): Pass 0 as fntype to
6082 hard_function_value.
6083 (assign_parms): Use new target hook for function_value.
6084 Pass 0 as fntype to hard_function_value.
6085 (expand_function_end): Likewise.
6086 * reg-stack.c: Include target.h.
6087 (stack_result): Use new target hook for function_value.
6088 * target-def.h: New target hook function_value.
6089 * target.h: Likewise.
6090 * targhooks.c (default_function_value): New function.
6091 * targhooks.h (default_function_value): Declare.
6093 2005-07-13 Ian Lance Taylor <ian@airs.com>
6095 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
6097 2005-07-14 Jan Hubicka <jh@suse.cz>
6099 * tree-dfa.c (dump_variable): Use default_def function.
6100 * tree-ssa-alias.c (dump_points_to_info): Likewise.
6101 * tree-ssa.c (verify_use): Likewise.
6102 * tree-ssanames.c (release_ssa_name): Likewise.
6103 * tree-tailcall.c (eliminate_tail_call): Likewise.
6104 (tree_optimize_tail_calls_1): Likewise.
6105 * tree-vrp.c (get_value_range): Likewise.
6107 2005-07-14 Ben Elliston <bje@au.ibm.com>
6109 * gcc.c (main): Compare language[0] with '*' when iterating over
6112 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6114 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
6115 "s390_emit_compare". Add handling of CCZ1mode.
6116 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
6117 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
6119 (s390_branch_condition_mask): Add CCZ1mode handling.
6120 * config/s390/s390.md: ("seq", "*seq"): New pattern.
6121 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
6122 Use CCZ1mode instead of CCZmode.
6123 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
6125 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
6127 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
6129 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
6131 2005-07-13 Eric Christopher <echristo@redhat.com>
6133 * config/mips/mips.c (mips_canonicalize_comparison): New.
6134 (mips_emit_int_relational): Use.
6136 2005-07-13 Eric Christopher <echristo@redhat.com>
6138 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6140 * config/s390/s390.md: Include tpf.md. Move tpf specific
6142 * config/s390/tpf.md: To here.
6143 * config/s390/s390.opt: Move tpf specific options...
6144 * config/s390/tpf.opt: to here. Add mmain option.
6145 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6146 * config/s390/tpf.h: Rewrite.
6148 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6150 * doc/tm.texi: Remove @xref{Cross-profiling}.
6152 2005-07-13 Jeff Law <law@redhat.com>
6154 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
6155 expressions, test their _DECL operands for pointer equality rather
6156 than using operand_equal_p.
6158 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
6160 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
6161 (TARGET_POSIX_IO): This.
6162 * config/darwin.h: Likewise.
6163 * config/freebsd.h: Likewise.
6164 * config/linux.h: Likewise.
6165 * config/lynx.h: Likewise.
6166 * config/netbsd.h: Likewise.
6167 * config/rs6000/linux64.h: Likewise.
6168 * config/rs6000/linux.h: Likewise.
6169 * config/s390/tpf.h: Likewise.
6170 * config/sh/embed-elf.h: Likewise.
6171 * config/sparc/linux64.h: Likewise.
6172 * config/sparc/linux.h: Likewise.
6173 * config/svr4.h: Likewise.
6174 * gcov-io.h: Likewise.
6176 * doc/tm.texi: Updated.
6178 * libgcov.c (create_file_directory): Defined only if
6179 TARGET_POSIX_IO is defined.
6180 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
6183 2005-07-13 Jan Hubicka <jh@suse.cz>
6185 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
6187 2005-07-13 David Edelsohn <edelsohn@gnu.org>
6189 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
6190 structure as argument.
6192 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
6194 PR tree-optimization/21921
6195 * tree-iterator.c (tsi_link_before): Support the case when
6196 tsi_end_p (tsi) == true.
6198 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6200 PR tree-optimization/22442
6201 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
6204 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6206 PR rtl-optimization/20376
6207 * toplev.c (process_options): Enable -fweb and -frename-registers when
6209 * doc/invoke.texi: Update the information about when -fweb and
6210 -frename-registers are enabled.
6212 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6215 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
6216 if *rhs_p is not a SSA_NAME.
6218 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
6220 Fix PR tree-optimization/22422
6221 * tree-ssa-structalias.c (struct variable_info): Add flag for
6223 (get_varinfo): Now a static function.
6224 (new_varinfo): init has_union and is_special_var to false.
6225 (solution_set_add): Check has_union.
6226 (do_da_constraint): Move temporary variable so it gets reset
6228 Also check for special variable.
6229 (do_ds_constraint): Ditto.
6230 (do_sd_constraint): Ditto.
6231 (do_structure_copy): Check for special variable.
6232 (find_func_aliases): Ditto.
6233 (init_base_vars): Set special vars properly.
6235 2005-07-13 Jan Hubicka <jh@suse.cz>
6237 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
6240 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
6241 (get_expr_operands): Fix thinko wrt flags and subvars.
6243 PR tree-optimize/22379
6244 * tree-inline.c (expand_call_inline): Do not output sorry in early
6247 2005-07-12 Dale Johannesen <dalej@apple.com>
6249 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
6251 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6254 * host-linux.h: Include limits.h.
6256 2005-07-12 Dale Johannesen <dalej@apple.com>
6258 * expr.c (compress_float_constant): Add cost check.
6259 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
6261 2005-07-12 Dale Johannesen <dalej@apple.com>
6263 * gcc.target/i386/compress-float-sse.c: New.
6264 * gcc.target/i386/compress-float-sse-pic.c: New.
6265 * gcc.target/i386/compress-float-387.c: New.
6266 * gcc.target/i386/compress-float-387-pic.c: New.
6267 * gcc.dg/compress-float-ppc.c: New.
6268 * gcc.dg/compress-float-ppc-pic.c: New.
6270 2005-07-12 Eric Christopher <echristo@redhat.com>
6272 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
6274 * config/s390/s390.md: Include tpf.md. Move tpf specific
6276 * config/s390/tpf.md: To here.
6277 * config/s390/s390.opt: Move tpf specific options...
6278 * config/s390/tpf.opt: to here. Add mmain option.
6279 * config/s390/tpf-unwind.h: Remove unnecessary defines.
6280 * config/s390/tpf.h: Rewrite.
6282 2005-07-12 Eric Christopher <echristo@redhat.com>
6284 * gcc.c (struct infile): Update comment for language.
6285 (main): Rewrite input file resetting code.
6287 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
6290 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
6291 requiring a cast in a non RHS of modify_expr. Add a cast when required.
6292 (lookup_avail_expr): Use constant_boolean_node instead
6293 of boolean_false_node/boolean_true_node.
6295 2005-07-12 Ben Elliston <bje@au.ibm.com>
6297 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
6298 and use it when printing num_edges.
6300 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
6302 * doc/extend.texi (Blackfin Built-in Functions): New section.
6303 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
6306 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
6308 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
6309 s/cmpstrsi/cmpstrnsi
6310 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
6312 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
6313 (init_optabs): Initialize cmpstrn_optab.
6314 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
6315 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
6316 * expr.c: (enum insn_code cmpstrn_optab): Declare.
6317 * config/i386/i386.md: s/cmpstr/cmpstrn
6318 * config/c4x/c4x.md: s/cmpstr/cmpstrn
6319 * doc/md.texi: Update documentation.
6321 2005-07-11 Richard Henderson <rth@redhat.com>
6323 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
6324 build_va_arg_indirect_ref.
6325 (alpha_gimplify_va_arg): Likewise.
6326 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
6327 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
6328 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
6329 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
6330 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
6331 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
6333 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
6335 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
6337 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
6338 * passes.c (init_optimization_passes): Add pass_empty_loop.
6339 * tree-pass.h (pass_empty_loop): Declare.
6340 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
6341 try_remove_empty_loop, remove_empty_loops): New functions.
6342 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
6343 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
6345 2005-07-12 Peter Barada <peter@the-baradas.com>
6349 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
6350 in address registers.
6351 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
6352 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
6353 alternative of addsi3_5200.
6355 2005-07-11 Ian Lance Taylor <ian@airs.com>
6357 * config/mips/mips.md (ffs<mode>2): Remove.
6359 2005-07-11 Ian Lance Taylor <ian@airs.com>
6361 * doc/tree-ssa.texi (Cleanups): Improve description of
6363 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
6365 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6367 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
6368 * tree.h (DECL_ARGUMENT_FLD): New macro.
6370 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
6372 Fix PR tree-optimization/22404
6374 * tree-ssa-structalias.c (create_variable_info_for): Use
6377 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
6379 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
6380 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
6381 for second comparison operand.
6382 * config/bfin/predicates.md (reg_or_const_int_operand): New.
6384 * config/bfin/bfin.md (define_attr "type"): Add "sync".
6385 (define_insn_reservation "alu"): Likewise.
6386 (csync, ssync): Now of type sync.
6387 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
6388 -mcsync-anomaly -mspecld-anomaly.
6389 * config/bfin/bfin.opt (mcsync): Remove.
6390 (mcsync-anomaly, mspecld-anomaly): Add.
6391 * config/bfin/bfin.c: Include "insn-codes.h".
6392 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
6393 (TARGET_DEFAULT_TARGET_FLAGS): New.
6394 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
6396 2005-07-11 Steven Bosscher <stevenb@suse.de>
6398 * basic-block.h: Give the BB flags enum a name, bb_flags.
6399 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
6400 * cfgcleanup.c (enum bb_flags): Remove here.
6401 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
6402 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
6403 (update_forwarder_flag): Likewise.
6404 (thread_jump): Likewise.
6405 (try_forward_edges): Likewise.
6406 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
6407 forwarder flags. Don't clear bb->aux for all basic blocks. Only
6408 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
6410 2005-07-11 Richard Guenther <rguenther@suse.de>
6412 * config/i386/i386.opt: New target option -msseregparm.
6413 * config/i386/i386.c (override_options): Error out for
6414 -msseregparm but no SSE support.
6415 (ix86_function_sseregparm): Check for global sseregparm.
6416 * doc/invoke.texi: Document -msseregparm.
6418 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6420 * config.gcc (m32r-*-linux*): Use the default extra_parts.
6421 (m32rle-*-linux*): Ditto.
6423 2005-07-11 Jakub Jelinek <jakub@redhat.com>
6425 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
6426 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
6429 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6433 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
6434 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
6436 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
6438 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
6439 (varmap): Heapify varmap.
6440 (constraints): Heapify constraints.
6441 (struct constraint_graph): Heapify succs and preds.
6442 (constraint_vec_find): Update for heapification.
6443 (constraint_set_union): Ditto.
6444 (insert_into_complex): Ditto.
6445 (constraint_edge_vec_find): Ditto.
6446 (erase_graph_self_edge): Ditto.
6447 (add_graph_edge): Ditto.
6448 (get_graph_weights): Ditto.
6449 (merge_graph_nodes): Ditto.
6450 (build_constraint_graph): Ditto.
6451 (topo_visit): Ditto.
6452 (solve_graph): Ditto.
6453 (create_variable_info_for): Ditto.
6454 (init_base_vars): Ditto.
6455 (delete_points_to_sets): Free graph, varmap, and complex constraints.
6456 (condese_varmap_nodes): Free complex vector.
6457 (clear_edges_for_node): Clear succs and preds vector.
6459 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6461 * tree-ssa-structalias.c (update_alias_info): Change counting of
6462 references to not include vdefs.
6464 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
6466 * tree-ssa-alias.c (free_used_part_map): Add missing free.
6469 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6471 * pa.c (pa_commutative_p): Make PLUS commutative when
6472 TARGET_NO_SPACE_REGS is true.
6474 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6476 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
6477 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
6478 * tree-dfa.c (dump_subvars_for): New.
6479 (debug_subvars_for): New.
6480 (dump_variable): Show subvariables if VAR has them.
6481 * tree-flow-inline.h (get_subvar_at): New.
6482 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
6483 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
6485 (struct subvar): Change fields offset and size to unsigned
6487 (dump_subvars_for): Declare.
6488 (debug_subvars_for): Declare.
6489 (get_subvar_at): Declare.
6490 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
6491 to unsigned HOST_WIDE_INT *.
6492 (overlap_subvar): Likewise.
6493 * tree-gimple.c (is_gimple_reg): Always return false for
6494 SFTs and memory tags.
6495 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
6497 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
6498 (compute_may_aliases): Call compute_points_to_sets.
6499 (collect_points_to_info_for): Remove.
6500 (compute_points_to_and_addr_escape): Remove.
6501 (delete_alias_info): Call delete_points_to_sets.
6502 (compute_flow_sensitive_aliasing): If the call to
6503 find_what_p_points_to returns false, call set_pt_anything.
6504 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
6505 (set_pt_anything): Clear pi->pt_vars.
6506 (set_pt_malloc): Remove.
6507 (merge_pointed_to_info): Remove.
6508 (add_pointed_to_expr): Remove.
6509 (add_pointed_to_var): Remove.
6510 (collect_points_to_info_r): Remove.
6511 (is_escape_site): Make extern.
6513 (create_overlap_variables_for): Call it.
6514 * tree-ssa-copy.c (merge_alias_info): Never merge
6515 flow-sensitive alias information.
6516 * tree-ssa-operands.c (get_expr_operands): Adjust variables
6517 offset and size to be unsigned HOST_WIDE_INT.
6518 (add_to_addressable_set): Rename from note_addressable.
6519 Set TREE_ADDRESSABLE as the variables are added to the set.
6521 (add_stmt_operand): Do not try to micro-optimize unmodifiable
6522 operands into VUSEs when adding V_MAY_DEFs for members in an
6524 * tree-ssa-operands.h (add_to_addressable_set): Declare.
6525 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
6526 (struct variable_info): Add bitfield is_heap_var.
6527 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
6528 (new_var_info): Initialize is_heap_var.
6529 (get_constraint_for): Add HEAP variables to the symbol table.
6530 Mark them with is_heap_var.
6531 (update_alias_info): New. Taken mostly from the old
6532 compute_points_to_and_addr_escape.
6533 (handle_ptr_arith): New.
6534 (find_func_aliases): Call update_alias_info.
6535 Call handle_ptr_info for tcc_binary expressions.
6536 Call mark_stmt_modified.
6537 (create_variable_info_for): If DECL has subvars, do not create
6538 variables for its subvars. Always add all the fields.
6539 (set_uids_in_ptset): If the solution includes ANYOFFSET and
6540 SFTs, then add all the SFTs of the structure.
6541 If VI->DECL is an aggregate with subvariables, add the SFT at
6543 (find_what_p_points_to): If VI is an artificial variable,
6544 translate to bitfields in SSA_NAME_PTR_INFO.
6545 If the solution is empty, set pi->pt_vars to NULL
6546 (init_base_vars): Create ANYOFFSET.
6547 (compute_points_to_sets): Rename from create_alias_vars.
6549 (pass_build_pta): Remove.
6550 (delete_points_to_sets): Rename from delete_alias_vars.
6551 (pass_del_pta): Remove.
6552 * tree-ssa-structalias.h (struct alias_info): Move from
6554 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
6555 NUM_REFERENCES_SET): Likewise.
6556 (compute_points_to_sets, delete_points_to_sets): Declare.
6558 2005-07-09 Richard Henderson <rth@redhat.com>
6560 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
6561 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
6562 alpha_split_lock_test_and_set_12): New functions.
6563 * config/alpha/alpha-protos.h: Update.
6564 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
6565 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
6566 * config/alpha/sync.md (I12MODE): New.
6567 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
6568 (sync_<fetchop_name><I48MODE>): Likewise.
6569 (sync_nand<I48MODE>): Likewise.
6570 (sync_old_<fetchop_name><I48MODE>): Likewise.
6571 (sync_new_<fetchop_name><I48MODE>): Likewise.
6572 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
6573 (sync_compare_and_swap<I48MODE>): Likewise.
6574 (sync_lock_test_and_set<I48MODE>): Likewise.
6575 (sync_compare_and_swap<I12MODE>): New.
6576 (sync_compare_and_swap<I12MODE>_1): New.
6577 (sync_lock_test_and_set<I12MODE>): New.
6578 (sync_lock_test_and_set<I12MODE>_1): New.
6580 2005-07-09 Diego Novillo <dnovillo@redhat.com>
6584 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
6586 2005-07-09 Jakub Jelinek <jakub@redhat.com>
6588 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
6589 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
6591 2005-07-09 Richard SAndiford <richard@codesourcery.com>
6594 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
6596 2005-07-08 David Edelsohn <edelsohn@gnu.org>
6598 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
6599 memory_operand constraint.
6600 (store_conditional_<mode>): Same.
6601 (sync_compare_and_swap<mode>): Same.
6602 (sync_lock_test_and_set<mode>): Same.
6604 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
6606 Rewrite PIC support to more closely model actual instructions.
6607 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
6608 (cris_symbol): Remove prototypes for removed functions.
6609 (cris_pic_symbol_type_of, cris_valid_pic_const)
6610 (cris_expand_pic_call_address): Prototypes for new functions.
6611 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
6613 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
6615 <case ':'>: Add case for new punctuation character.
6616 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
6617 emitting (extra) PIC modifier.
6618 <case UNSPEC>: Do not assert for PLT.
6619 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
6620 (cris_expand_prologue, cris_expand_epilogue): Check
6621 for pic_offset_table_rtx usage instead of taking
6622 current_function_uses_pic_offset_table as the final word.
6623 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
6624 Remove flag_pic difference.
6625 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
6626 the moral equivalents of...
6627 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
6629 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
6630 (cris_handle_option): Mark ARG as unused.
6631 (cris_expand_pic_call_address): New worker function for "call",
6633 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
6634 output PIC constructs here.
6635 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
6636 as symbol-specific modifers, not whole or part of operands.
6637 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
6638 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
6639 constants and flag_pic.
6640 (CONSTANT_INDEX_P): Adjust for new functions.
6641 (enum cris_pic_symbol_type): New helper type.
6642 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
6643 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
6644 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
6646 ("movsi"): Emit actual instructions for GOT and relative access.
6647 ("*movsi_got_load"): New pattern to set up the register holding
6649 ("*movsi_internal"): Operand 1 is not a plain general_operand.
6650 Adjust FIXME for 'S'.
6651 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
6652 Use "movs" for -fpic cases.
6653 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
6654 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
6655 ("call", "call_value"): Just call cris_expand_pic_call_address for
6657 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
6658 Remove special pattern.
6659 ("*expanded_call_side", "*expanded_call_value_side"): New
6661 (gotplt-to-plt, gotplt-to-plt-side-call)
6662 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
6664 * config/cris/cris/predicates.md
6665 ("cris_general_operand_or_gotless_symbol"): Remove unused
6667 ("cris_general_operand_or_symbol"): Adjust for new functions.
6669 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6671 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
6673 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
6675 * Makefile.in (TREE_H): Add treestruct.def.
6676 (c-decl.o): Add pointer-set.h
6677 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
6678 visibility on regular DECL's.
6679 (merge_decls): Fix the copying of decl nodes of various types for
6680 the new structures. Don't update RTL, section name, weak status,
6681 etc, on DECL's without RTL.
6682 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
6683 Don't check volatile on non-variable types.
6684 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
6685 to check whether we have seen arguments.
6686 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
6687 flag is checked before field (flag is common, field is not).
6688 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
6689 TS_DECL_COMMON could have an origin.
6690 (add_location_or_const_value_attribute): Don't check section name
6691 on non-var/function decls.
6692 (dwarf2out_var_location): Reverse order of tests.
6693 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
6694 with DECL_WRTL_CHECK.
6695 * expmed.c (make_tree): rtl is now in decl_with_rtl.
6696 * fold-const.c (fold_binary): Don't check weakness on
6697 non-var/function decls.
6698 (tree_expr_nonzero_p): Ditto.
6699 (fold_checksum_tree): Use tree_decl_extra as sizeof
6701 * ggc-page.c (extra_order_size_table): Add sizes for
6702 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
6704 * gimplify.c (gimplify_bind_expr): Only set
6705 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
6706 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
6708 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
6709 * langhooks.h (init_ts). New langhook.
6710 * passes.c (rest_of_decl_compilation): Reverse order of tests.
6711 * print-tree.c (print_node): Update to only print fields that
6712 exist in the structures the passed decl has.
6713 * toplev.c (wrapup_global_declarations): Don't reset
6714 DECL_DEFER_OUTPUT on DECL's that don't contain it.
6715 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
6716 * tree-inline.c (remap_decl): Ditto.
6717 * tree-outof-ssa.c (create_temp): Reverse order of tests.
6718 * tree-pretty-print.c (print_declaration): Don't print
6719 DECL_REGISTER on things that don't contain it.
6720 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
6721 non-var/function decls.
6722 * tree.c (tree_contains_struct): New structure.
6723 (init_priority_for_decl): New hashtable.
6724 (tree_int_map): New structure.
6725 (tree_int_map_eq): New function.
6726 (tree_int_map_marked_p): Ditto.
6727 (tree_int_map_hash): Ditto.
6728 (tree_map): Move to tree.h.
6729 (tree_map_eq): Externalize.
6730 (tree_map_hash): Ditto.
6731 (tree_map_marked_p): Ditto.
6732 (init_ttree): Set up tree_contains_struct and call langhook.
6733 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
6734 (tree_code_size): Update for new structures.
6735 (tree_node_structure): Update for new structures.
6736 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
6738 (copy_node_stat): Copy init priority.
6739 (build_decl_stat): Ditto for visibility.
6740 (ts_enum_names): New.
6741 (tree_contains_struct_check_failed): New function.
6742 (decl_init_priority_lookup): Ditto.
6743 (decl_init_priority_insert): Ditto.
6744 * treestruct.def: New file.
6745 * tree.h (CODE_CONTAINS_STRUCT): New macro.
6746 (CONTAINS_STRUCT_CHECK): Ditto.
6747 (tree_contains_struct_check_failed): New prototype.
6748 (DECL_CHECK): Removed.
6749 (DECL_MINIMAL_CHECK): New.
6750 (DECL_COMMON_CHECK): Ditto.
6751 (DECL_WRTL_CHECK): Ditto.
6752 (DECL_NON_COMMON_CHECK): Ditto.
6753 (DECL_WITH_VIS_CHECK): Ditto.
6754 (VAR_OR_FUNCTION_DECL_P): Ditto
6755 (struct tree_decl_minimal): New structure.
6756 (struct tree_decl_common): Ditto.
6757 (struct tree_decl_with_rtl): Ditto.
6758 (struct tree_decl_with_vis): Ditto.
6759 (struct tree_decl_non_common): Ditto.
6760 (struct tree_field_decl): Ditto.
6761 (struct tree_parm_decl): Ditto.
6762 (struct tree_var_decl): Ditto.
6763 (struct tree_function_decl): Ditto.
6764 (struct tree_const_decl): Ditto.
6765 (struct tree_result_decl): Ditto.
6766 (union tree_node): Add new structures.
6767 * var-tracking.c (track_expr_p): Reverse order of tests.
6769 * doc/c-tree.texi: Add documentation on DECL node internal structure.
6771 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6773 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
6774 * system.h: Poison FINALIZE_PIC.
6775 * doc/tm.texi (FINALIZE_PIC): Remove.
6777 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6780 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
6781 to the correct type if we have a MODIFY_EXPR.
6783 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
6785 PR tree-optimization/22360
6786 * tree.c (upper_bound_in_type): Fix calculations for casting
6787 to a non-wider signed type and casting a signed value to a
6788 wider unsigned type.
6789 (lower_bound_in_type): Fix calculations for casting to a
6790 non-wider signed type.
6792 PR tree-optimization/20139
6793 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
6795 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
6796 fold_cond_expr_cond.
6797 * tree-ssanames.c (release_defs): Assert in_ssa_p.
6798 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
6800 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
6803 * tree-complex.c (expand_complex_libcall): Produce
6804 REALPART_EXPR/IMAGPART_EXPR with the correct type.
6806 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
6808 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
6809 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
6810 b" assert and inserted fastpath code for this case.
6811 (bitmap_ior): Removed "a != b" assert.
6813 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6815 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
6816 (ENDFILE_SPEC): Likewise.
6817 * config/m32r/m32r.h (ASM_SPEC): Likewise.
6819 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
6820 a large stack frame at epilogue.
6822 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
6824 * final.c: Include sdbout.h when required.
6826 2005-07-07 Geoffrey Keating <geoffk@apple.com>
6828 * config.gcc (*-*-darwin*): Only one target-specific header file
6830 (powerpc-*-darwin*): Add version-specific header files.
6831 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
6832 * config.in: Regenerate.
6833 * configure: Regenerate.
6834 * gcc.c: Include xregex.h.
6835 (version_compare_spec_function): New.
6836 (spec_function): Add version-compare.
6837 (replace_outfile_spec_function): Reformat comment.
6838 (compare_version_strings): New.
6839 * config/darwin-c.c (version_as_macro): New.
6840 (builtin_define): New.
6841 (darwin_cpp_builtins): New.
6842 * config/darwin-protos.h (darwin_cpp_builtins): New.
6843 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
6844 (LIB_SPEC): Make unconditional, update comment.
6845 (TARGET_C99_FUNCTIONS): Define.
6846 * config/darwin.opt: Sort.
6847 (mmacosx-version-min=): New.
6848 * config/darwin7.h: Delete.
6849 * config/darwin8.h: Delete.
6850 * config/i386/darwin.h (): Call darwin_cpp_builtins.
6851 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
6852 (TARGET_C99_FUNCTIONS): Define.
6853 * config/rs6000/darwin7.h: New.
6854 * config/rs6000/darwin8.h: New.
6855 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
6856 (-mmacosx-version-min): Document.
6858 2005-07-07 Ian Lance Taylor <ian@airs.com>
6860 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
6862 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
6865 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
6867 2005-07-07 Khem Raj <kraj@mvista.com>
6869 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
6870 in bytes, not words.
6872 2005-07-07 Paul Brook <paul@codesourcery.com>
6874 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
6875 DEFAULT_FUNCTION_ARG_PADDING to upward.
6877 2005-07-07 Richard Henderson <rth@redhat.com>
6879 * function.c (locate_and_pad_parm): Record parameter alignment in
6880 stack_alignment_needed.
6882 2005-07-07 David Edelsohn <edelsohn@gnu.org>
6884 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
6885 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
6886 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
6887 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
6888 (define_attr "type"): Add isync, sync, load_l, store_c.
6889 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
6890 Create scratch volatile MEM.
6891 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
6893 (load_locked_<mode>): New.
6894 (store_conditional_<mode>): New.
6895 (sync_compare_and_swap<mode>): Replace with splitter.
6896 (sync_lock_test_and_set<mode>): Replace with splitter.
6897 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
6899 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
6900 is ics. Attribute isync.
6901 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
6903 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
6904 and UNSPECV_SYNC_OP.
6905 (emit_unlikely_jump): New.
6906 (emit_load_locked): New.
6907 (emit_store_conditional): New.
6908 (rs6000_split_compare_and_swap): New.
6909 (rs6000_split_lock_test_and_set): New.
6910 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
6911 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
6912 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
6913 rs6000_split_lock_test_and_set): Declare.
6914 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
6915 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
6916 store_c, isync, sync.
6918 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
6920 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
6921 filenames to gtyp-gen.h.
6922 (s-typ-gen): Use it in place of for loops.
6924 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
6926 * hooks.c (hook_bool_rtx_int_false): New function.
6927 * hooks.h (hook_bool_rtx_int_false): Declare.
6928 * target-def.h (TARGET_COMMUTATIVE_P): Define.
6929 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
6930 * target.h (struct gcc_target): Add commutative_p member.
6931 * targhooks.c (hook_bool_rtx_commutative_p): New function.
6932 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
6933 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
6934 (pa_commutative_p): New function.
6935 * jump.c (target.h): Include.
6936 (rtx_renumbered_equal_p): Use targetm.commutative_p.
6937 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
6939 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6941 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
6942 (s390_expand_setmem): New.
6943 * config/s390/s390.c: Likewise.
6944 (print_shift_count_operand): Truncate to 12 bits instead of 6.
6946 * config/s390/s390.md: ("setmem<mode>"): Accept character as
6947 general_operand. Call new function "s390_expand_setmem".
6948 ("clrmem_long", "*clrmem_long"): Rewrite to ...
6949 ("setmem_long", "*setmem_long"): ... this.
6951 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6953 * config/s390/s390.c: (optimization_options): Enable
6954 TARGET_MVCLE at -Os.
6955 * doc/invoke.texi: Document changes in default behaviour.
6956 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
6958 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
6960 * expr.c: (set_storage_via_setmem): Convert opchar to mode
6961 defined by back-end.
6963 2005-07-07 Jakub Jelinek <jakub@redhat.com>
6965 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
6966 all sets in the pattern.
6967 * config/rs6000/rs6000.md (stack_protect_testsi,
6968 stack_protect_testdi): Likewise.
6970 2005-07-06 Jeff Law <law@redhat.com>
6972 * tree-vrp.c (simplify_using_ranges): Kill.
6973 (vrp_finalize): Remove call to simplify_using_ranges.
6974 (simplify_stmt_using_ranges): New function extracted from
6975 simplify_using_ranges.
6976 (simplify_div_or_mod_using_ranges): Likewise.
6977 (simplify_abs_using_ranges): Likewise.
6978 (simplify_cond_using_ranges): New function.
6979 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
6980 * tree-ssa-propagate.c (substitute_and_fold): Call
6981 simplify_stmt_using_ranges if we have range information.
6983 2005-07-06 James E. Wilson <wilson@specifixinc.com>
6985 * config/ia64/ia64.c (ia64_reorg): Check optimize before
6986 ia64_flag_schedule_isns2.
6988 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
6989 reading/writing general registers.
6990 (ia64_function_arg): Revert 2005-06-18 change.
6992 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
6994 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
6995 (legitimize_tls_address): Use gcc_unreachable instead of abort.
6997 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
6999 * function.c (expand_function_end): Revert part of 2005-06-27
7000 patch. Do sjlj_emit_function_exit_after after return_label.
7002 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7004 * doc/install.texi (--disable-libssp): New.
7006 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
7008 * doc/invoke.texi: Update -fforce-mem documentation.
7009 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
7010 code for -fforce-mem.
7011 * expmed.c: (store_bit_field,store_fixed_bit_field,
7012 extract_bit_field): Ditto.
7013 * expr.c: (convert_move): Ditto.
7014 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
7015 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
7016 emit_conditional_add,expand_float,expand_fix): Ditto.
7017 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
7018 (common_handle_option): Issue warning when -fforce-mem specified.
7020 2005-07-06 Paul Brook <paul@codesourcery.com>
7022 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
7024 * configure: Regenerate.
7026 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
7028 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
7030 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
7032 Fix PR tree-optimization/22319
7033 Fix PR tree-optimization/22140
7034 Fix PR tree-optimization/22310
7036 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
7037 variable sized types.
7038 Use correct type for intermediate structure on *a = *b structure
7041 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7043 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
7045 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
7046 (machine_function): Move typedef to...
7047 * config/rs6000/rs6000.c (machine_function): ... here. Add
7048 varargs_save_offset field.
7049 (rs6000_stack_t): Remove varargs_size field.
7050 (setup_incoming_varargs): Allocate varargs save area using
7051 assign_stack_local, try to make it as small as possible.
7052 Save offset from virtual_stack_vars_rtx to the save area
7053 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
7054 instead of magic 8 when fp word byte size is used.
7055 (rs6000_va_start): Use cfun->machine->varargs_save_offset
7056 instead of -RS6000_VARARGS_SIZE.
7057 (rs6000_stack_info, debug_stack_info,
7058 rs6000_initial_elimination_offset): Remove all traces of
7060 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
7061 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
7062 RS6000_VARARGS_AREA.
7064 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7066 PR tree-optimization/21963
7067 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
7068 constant_multiple_of in the same way get_computation_cost_at does.
7070 2005-07-06 Jakub Jelinek <jakub@redhat.com>
7072 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
7073 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
7074 (gen_compare_reg): If sparc_compare_emitted is set, clear it
7075 and return its previous value.
7076 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
7077 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
7079 (stack_protect_set, stack_protect_test): New expanders.
7080 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
7081 stack_protect_testdi): New insns.
7082 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7083 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
7085 2005-07-06 Jeff Law <law@redhat.com>
7087 * tree-ssa-dce.c (cfg_altered): New global.
7088 (tree_dce_init): Initialize cfg_altered.
7089 (remove_dead_stmt): If we remove an edge in the CFG, then set
7091 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
7094 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
7096 * Makefile.in (stamp-collect-ld): Use
7097 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
7098 ./collect-ld if it already exists.
7099 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
7100 Don't remove ./nm if it already exists.
7102 2005-07-05 Devang Patel <dpatel@apple.com>
7104 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
7105 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
7106 * tree-vectorizer.c (vect_loop_location): New.
7107 (vect_print_dump_info): Use vect_loop_location.
7108 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
7109 (vectorize_loops): Set vect_loop_location.
7110 * tree-vect-analyze.c (vect_analyze_offset_expr,
7111 vect_determin_vectorization_factor, vect_analyze_operations,
7112 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
7113 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
7114 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
7115 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
7116 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
7117 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
7118 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
7119 vect_analyze_loop): Adjust vect_print_dump_info API.
7120 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
7121 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
7122 vect_finish_stmt_generation, vectorizable_assignment,
7123 vectorizable_operation, vectorizable_store, vectorizable_load,
7124 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
7125 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
7126 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
7127 vect_transform_loop): Same.
7128 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
7129 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
7132 2005-07-05 Randolph Chung <tausq@debian.org>
7134 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
7135 * configure: Regenerate.
7136 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
7137 (pa_tls_referenced_p): Declare.
7138 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
7139 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
7140 (legitimize_tls_address): New.
7141 (hppa_legitimize_address): Handle TLS addresses.
7142 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
7143 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
7144 (emit_move_sequence): Handle TLS addresses.
7145 (pa_encode_section_info): Call default handler to handle common
7147 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
7148 (CONSTANT_ADDRESS_P): Reject TLS operands.
7149 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
7150 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
7151 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
7152 (UNSPEC_TLSLE): Define new constants.
7153 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
7154 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
7155 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
7156 (tie_symbolic_operand, tle_symbolic_operand): New
7158 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
7160 * aclocal.m4: Update macros for autoconf 2.59 style.
7161 * configure.ac: Likewise.
7163 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7165 * pa.c (function_value): Handle small aggregates on 32-bit targets.
7166 (function_arg): Pass small aggregates in general registers on 32-bit
7168 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
7170 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
7172 * Makefile.in (final.o): Fix dependencies.
7174 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7178 * langhooks.h (struct lang_hooks): Add expr_to_decl.
7179 * langhooks.c (lhd_expr_to_decl): New.
7180 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
7182 (LANG_HOOKS_INITIALIZER): Update.
7183 * tree.c (recompute_tree_invarant_for_addr_expr): Call
7184 expr_to_decl langhook.
7185 * c-tree.h (c_expr_to_decl): Declare.
7186 * c-typeck.c (c_expr_to_decl): New.
7187 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
7189 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
7191 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
7194 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
7195 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
7197 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
7199 * Makefile.in: Adjust dependencies.
7200 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
7201 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
7202 * alias.c (rest_of_handle_cfg, pass_cfg): New.
7203 * bb-reorder.c (duplicate_computed_gotos): Make it static.
7204 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
7205 rest_of_compilation.
7207 * bb-reorder.c (gate_duplicate_computed_gotos,
7208 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
7209 rest_of_handle_reorder_blocks, pass_reorder_blocks,
7210 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
7211 pass_partition_blocks): New.
7212 * bt-load.c (gate_handle_branch_target_load_optimize,
7213 rest_of_handle_branch_target_load_optimize,
7214 pass_branch_target_load_optimize): New.
7215 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
7217 * cfglayout.c (pass_insn_locators_initialize): New.
7218 * cfgrtl.c (pass_free_cfg): New.
7219 * combine.c (gate_handle_combine, rest_of_handle_combine,
7221 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
7222 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
7223 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
7224 * except.c (pass_set_nothrow_function_flags,
7225 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
7227 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
7228 rest_of_handle_shorten_branches, pass_shorten_branches,
7229 rest_of_clean_state, pass_clean_state): New.
7230 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
7231 rest_of_handle_remove_death_notes, pass_remove_death_notes,
7232 rest_of_handle_life, pass_life, rest_of_handle_flow2,
7234 * function.c (pass_instantiate_virtual_regs, pass_init_function,
7235 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
7236 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
7237 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
7239 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
7240 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
7241 pass_rtl_ifcvt, gate_handle_if_after_combine,
7242 rest_of_handle_if_after_combine, pass_if_after_combine,
7243 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
7244 pass_if_after_reload): New.
7245 * integrate.c (pass_initial_value_sets): New.
7246 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
7247 pass_purge_lineno_notes): New.
7248 * mode-switching.c (rest_of_handle_mode_switching,
7249 pass_mode_switching): New.
7250 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
7251 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
7253 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
7254 pass_loop_optimize): New.
7255 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
7257 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
7259 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
7260 pass_postreload_cse): New.
7261 * profile.c (gate_handle_profiling, pass_profiling,
7262 rest_of_handle_branch_prob, pass_branch_prob): New.
7263 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
7264 pass_split_before_regstack, gate_handle_split_before_regstack,
7265 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
7266 rest_of_handle_split_all_insns, pass_split_all_insns): New.
7267 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
7268 pass_stack_regs): New.
7269 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
7270 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
7271 pass_stack_adjustments): New.
7272 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
7273 pass_regrename): New.
7274 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
7275 pass_delay_slots, gate_handle_machine_reorg,
7276 rest_of_handle_machine_reorg, pass_machine_reorg): New.
7277 * rtl.h (extern void purge_line_number_notes): New.
7278 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
7279 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
7281 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
7283 * value-prof.c (gate_handle_value_profile_transformations,
7284 rest_of_handle_value_profile_transformations,
7285 pass_value_profile_transformations): New.
7286 * var-tracking.c (gate_handle_var_tracking,
7287 pass_variable_tracking): New.
7288 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
7290 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
7291 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
7292 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
7293 rest_of_handle_old_regalloc, rest_of_handle_regrename,
7294 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
7295 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
7296 rest_of_handle_gcse2, rest_of_handle_regmove,
7297 rest_of_handle_tracer, rest_of_handle_if_conversion,
7298 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
7299 rest_of_handle_web, rest_of_handle_branch_prob,
7300 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
7301 rest_of_handle_jump_bypass, rest_of_handle_combine,
7302 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
7303 rest_of_handle_gcse, rest_of_handle_loop_optimize,
7304 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
7305 rest_of_handle_mode_switching, rest_of_handle_jump,
7306 rest_of_handle_eh, rest_of_handle_stack_adjustments,
7307 rest_of_handle_flow2, rest_of_handle_jump2,
7308 rest_of_handle_peephole2, rest_of_handle_postreload,
7309 rest_of_handle_shorten_branches, rest_of_clean_state,
7310 rest_of_compilation): Remove.
7312 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
7313 * passes.c (dump_flags, in_gimple_form, all_passes,
7314 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7315 register_dump_files, next_pass_1, last_verified, execute_todo,
7316 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
7317 from tree-optimize.c.
7318 (init_optimization_passes): Moved from tree-optimize.c,
7319 adding the RTL optimizations.
7320 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
7321 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
7322 all_ipa_passes, all_lowering_passes, register_one_dump_file,
7323 register_dump_files, next_pass_1, last_verified, execute_todo,
7324 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
7325 init_tree_optimization_passes, ipa_passes): Delete.
7326 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
7328 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
7329 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
7331 (ipa_passes): Remove.
7332 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
7333 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
7334 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
7335 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
7336 (dump_info_p, dump_flag): Moved to tree-dump.h.
7338 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
7340 * passes.c (finish_optimization_passes): Use dump_begin
7341 and dump_end, TDI_end.
7342 (gate_rest_of_compilation): New.
7343 (pass_rest_of_compilation): Use it.
7344 (gate_postreload, pass_postreload): New.
7345 * toplev.c (general_init): Rename init_tree_optimization_passes.
7346 * toplev.h (init_tree_optimization_passes): Rename to
7347 init_optimizations_passes.
7348 * tree-dump.c (dump_flag): Make static.
7349 (dump_files): Remove RTL dumps.
7350 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
7351 pass_cleanup_cfg, pass_free_cfg_annotations,
7352 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
7353 pass_init_datastructures, pass_fixup_cfg): Make non-static.
7354 * tree-pretty-print.c: Include tree-pass.h.
7355 * cgraph.c: Include tree-dump.h.
7357 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7359 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
7360 Only fall back to saying it points to readonly memory if
7363 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7365 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
7366 * config/m32r/m32r.c (m32r_compute_frame_size,
7367 m32r_expand_prologue): Take current_function_profile into
7368 account whenever we reference
7369 current_function_uses_pic_offset_table.
7370 (m32r_finalize_pic): Remove.
7371 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
7373 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
7375 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
7376 instead of $<. Don't remove ./as if it already exists.
7378 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7381 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
7382 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
7383 for complex modes when generating code for PA 1.0.
7384 (VALID_FP_MODE_P): New macro.
7385 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7386 sets for all general and floating point modes. Align wide floating
7387 point modes to even register boundaries to comply with architectural
7389 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
7390 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
7391 (VALID_FP_MODE_P): New macro.
7392 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
7393 sets for all general and floating point modes. Align wide floating
7394 point modes to even register boundaries to comply with architectural
7397 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7399 * tree-dump.c (dump_files): Initialize dump number for .cgraph
7402 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7404 * tree-ssa-structalias.c: Don't include expr.h.
7406 2005-07-04 Diego Novillo <dnovillo@redhat.com>
7408 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
7411 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
7413 Fix PR tree-optimization/22279
7415 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
7418 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
7420 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
7422 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7424 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
7425 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
7426 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
7427 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
7428 config/stormy16/stormy16.c, config/v850/v850.c,
7429 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
7430 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
7431 Avoid "." or "\n" at end of diagnostics and capital letters at
7432 start of diagnostics.
7433 * combine.c, cse.c: Don't translate dump file output.
7434 * toplev.c (print_version): Only translate output if going to
7437 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7439 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
7440 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
7443 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7445 * pa.c (fix_range): Fix typo in comment.
7447 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
7449 * tree-vrp.c (extract_range_from_assert): Replace
7450 fold (build (...)) with fold_build2.
7452 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7454 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
7455 gcc_gfc_char_table, init_dynamic_gfc_info): New.
7456 (format_types_orig, handle_format_attribute): Add support for
7459 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
7461 * varasm.c (assemble_variable): Fix format specifier thinko.
7463 2005-07-03 Ira Rosen <irar@il.ibm.com>
7465 PR tree-optimization/22029 (and 22135)
7466 * tree-pretty-print.c (dump_generic_node): Check that the node is not
7467 a phi node before calling dump_vops.
7469 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7471 * tree-dump.h (dump_string_field): Declare.
7472 * tree-dump.c: Use it instead of dump_string.
7473 (dump_string_field): Make non-static.
7475 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
7477 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
7478 up the minimal CFG stuff always when optimize > 0. Call
7479 split_all_insns_noflow in PIC case if needed.
7481 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
7482 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
7485 * c-decl.c (c_write_global_declarations): Dump contents of
7487 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
7488 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
7489 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
7490 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
7493 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
7495 * c-common.h (GCC_DIAG_STYLE): Define.
7496 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
7497 version for format checking to 4.1.
7498 * c-format.c: Include toplev.h after c-common.h.
7499 (enum format_type): Add gcc_tdiag_format_type.
7500 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
7501 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
7502 (format_types_orig): Add gcc_tdiag.
7503 (init_dynamic_diag_info): Support gcc_tdiag formats.
7504 (handle_format_attribute): Likewise.
7505 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
7506 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
7507 version for format checking to 4.1.
7508 (warning0, warning, error, pedwarn, sorry): Use
7510 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
7511 (finish_aliases_1): Do not use %qE.
7512 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
7513 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
7514 Correct format bugs.
7515 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
7516 parameter to unsigned HOST_WIDE_INT.
7517 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
7519 2005-07-02 David Edelsohn <edelsohn@gnu.org>
7522 * expr.c (write_complex_part): Use adjust_address for MEM.
7523 (read_complex_part): Same.
7525 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
7527 Fix PR tree-optimization/22280
7529 * tree-sra.c (generate_element_init): Remove useless loop.
7531 2005-07-02 Richard Henderson <rth@redhat.com>
7533 * config/alpha/alpha.c (alpha_legitimize_address): Check for
7535 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
7537 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
7540 * fold-const.c (fold_binary): Handle the return value of
7541 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
7542 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
7544 2005-07-02 Jeff Law <law@redhat.com>
7546 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
7547 a eliminate type conversion which feeds an equality comparison
7548 if the original type or either operand in the comparison is a
7551 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
7553 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
7554 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
7556 * config/avr/avr.c: Do not use '`' as left quote.
7557 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
7558 Remove "." from end of diagnostics. Make diagnostics start with
7561 2005-07-02 Zack Weinberg <zack@codesourcery.com>
7562 Joseph S. Myers <joseph@codesourcery.com>
7564 * toplev.c (default_tree_printer): Handle setting location with
7566 * c-objc.common.c (c_tree_printer): Likewise.
7567 * c-format.c (gcc_diag_flag_specs): Add '+'.
7568 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
7569 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
7571 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
7572 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
7573 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
7574 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
7575 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
7576 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
7577 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
7578 format arguments where %J is used without %D.
7580 2005-07-02 Jakub Jelinek <jakub@redhat.com>
7582 * gcc.c (LINK_SSP_SPEC): Define.
7583 (link_ssp_spec): New variable.
7584 (LINK_COMMAND_SPEC): Add %(link_ssp).
7585 (static_specs): Add link_ssp_spec.
7586 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
7587 * configure: Rebuilt.
7588 * config.in: Rebuilt.
7590 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
7591 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7592 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7593 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
7594 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
7595 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
7596 -0x7008(2) instead of reading __stack_chk_guard variable.
7597 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
7599 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
7600 (stack_protect_set, stack_protect_test): Use *_tls* patterns
7601 if TARGET_THREAD_SSP_OFFSET is defined.
7602 (stack_tls_protect_set_si, stack_tls_protect_set_di,
7603 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
7606 2005-06-27 Richard Henderson <rth@redhat.com>
7607 * libgcc-std.ver (GCC_4.1.0): New.
7608 * libgcc.h (__stack_chk_guard): Declare.
7609 (__stack_chk_fail, __stack_chk_fail_local): Declare.
7610 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
7611 * mklibgcc.in (lib2funcs): Add them.
7613 2005-07-01 Richard Henderson <rth@redhat.com>
7615 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
7616 void * before struct sigcontext *.
7617 (x86_fallback_frame_state): Likewise.
7619 2005-07-01 James E. Wilson <wilson@specifixinc.com>
7621 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
7623 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7626 * tree-ssa-reassoc.c (should_transpose): Fix which operand
7627 we check for SSA_NAME for.
7629 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
7631 Fix PR tree-optimization/22071
7633 * tree-ssa-structalias.c (offset_overlaps_with_access): New
7635 (get_constraint_for_component_ref): Use it.
7637 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
7640 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
7641 print out the last new line.
7643 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
7645 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
7646 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
7647 * config/cris/cris.c (cris_conditional_register_usage): Adjust
7648 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
7649 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
7650 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
7651 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
7652 (enum reg_class): New member CC0_REGS.
7653 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
7654 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
7655 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
7656 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
7657 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
7658 Adjust for register now described.
7660 2005-07-01 Jakub Jelinek <jakub@redhat.com>
7663 * config/i386/i386.md (stack_protect_test_si,
7664 stack_protect_test_di): Add earlyclobber for scratch 3.
7665 * config/rs6000/rs6000.md (stack_protect_testsi,
7666 stack_protect_testdi): Add earlyclobber for scratch 3,
7667 remove earlyclobber from scratch 4.
7669 Older entries for 2005 can be found in ChangeLog-2005.