1 2005-10-24 Andrew Pinski <pinskia@physics.uc.edu>
4 * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
5 instead of pointer equality when comparing types.
7 2005-10-24 James E. Wilson <wilson@specifix.com>
9 * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
10 add_dependence_list_and_free calls.
12 2005-10-24 Steven Bosscher <stevenb@suse.de>
14 * contrib.texi: Add the names of the LLNL folks who donated
15 Cray pointer support for gfortran.
17 2005-10-24 Steven Bosscher <stevenb@suse.de>
19 PR tree-optimization/24225
20 * profile.c (branch_prob): Look from end to start through a
21 basic block when looking for a locus.
23 2005-10-24 Richard Henderson <rth@redhat.com>
25 * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
27 (hppa_expand_prologue): Likewise.
29 2005-10-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
31 * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
32 (NO_DEFERRED_PROFILE_COUNTERS): Define.
33 * pa.h (NO_PROFILE_COUNTERS): Define.
34 * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
35 (funcdef_nos): New vector to hold label numbers of deferred profile
37 (output_deferred_profile_counters): New function.
38 (hppa_profile_hook): Push label number onto funcdef_nos.
39 (pa_hpux_file_end): Call output_deferred_profile_counters if
40 NO_DEFERRED_PROFILE_COUNTERS is false.
42 * pa-protos.h (get_deferred_plabel): New prototype.
43 * pa.c (get_plabel): Rename to get_deferred_plabel. Return plabel.
45 (output_call): Adjust calls.
47 2005-10-24 Alan Modra <amodra@bigpond.net.au>
49 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
50 peculiarity of GOT/TOC section usage.
52 2005-10-23 Andrew Pinski <pinskia@physics.uc.edu>
55 * c-common.c (constant_string_class_name): Add documentation.
57 2005-10-23 Kaz Kojima <kkojima@gcc.gnu.org>
60 * recog.c (peephole2_optimize): Increment peep2_current_count
61 only when the slot is empty.
63 2005-10-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
66 * except.c (output_function_exception_table): Call
67 assemble_external_libcall if we need a personality function.
69 2005-10-21 Eric Botcazou <ebotcazou@libertysurf.fr>
71 PR rtl-optimization/24460
72 * bb-reorder.c (fix_crossing_unconditional_branches): Do not
73 set the basic block for barriers.
75 2005-10-21 Janis Johnson <janis187@us.ibm.com>
77 * var-tracking.c (vt_initialize): Initialize post.
79 2005-10-21 Devang Patel <dpatel@apple.com>
82 * c-common.c (vector_types_convertible_p): Check vector element type.
84 2005-10-21 Kaz Kojima <kkojima@gcc.gnu.org>
86 * config/sh/sh.c (prepare_move_operands): Handle the address
87 constant which is a tls symbolic address plus a constant.
89 2005-10-21 Andrew Pinski <pinskia@physics.uc.edu>
92 * gcc.c (main): Use the correct counter for erroring out
95 2005-10-21 Alan Modra <amodra@bigpond.net.au>
98 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
99 use r2 for 64-bit tls .got access.
101 2005-10-21 Paolo Bonzini <bonzini@gnu.org>
103 * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
106 2005-10-20 Steven Bosscher <stevenb@suse.de>
108 PR tree-optimization/24307
109 * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
111 2005-10-20 Alexandre Oliva <aoliva@redhat.com>
114 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
116 * varasm.c (find_decl_and_mark_needed): After cgraph global info
117 is ready, stop marking functions, but still mark variables.
119 2005-10-20 Richard Guenther <rguenther@suse.de>
122 * fold-const.c (invert_truthvalue): Handle COND_EXPR with
125 2005-10-20 Eric Botcazou <ebotcazou@libertysurf.fr>
127 PR rtl-optimization/23585
128 * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
129 (rtx_addr_can_trap_p): ... here. Invoke rtx_addr_can_trap_p_1.
130 (may_trap_p_1): New predicate extracted from...
131 (may_trap_p): ... here. Invoke may_trap_p_1.
132 (may_trap_or_fault_p): New predicate.
133 * rtl.h (may_trap_or_fault_p): Declare it.
134 * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
135 instead of may_trap_p.
136 (steal_delay_list_from_fallthrough): Likewise.
137 (fill_simple_delay_slots): Likewise.
138 (fill_slots_from_thread): Likewise.
139 * function.c (pad_to_arg_alignment): Rework comment about
140 SPARC_STACK_BOUNDARY_HACK.
141 * config/sparc/sparc.h: Likewise.
143 2005-10-19 Adrian Straetling <straetling@de.ibm.com>
145 * config/s390/s390.c (s390_expand_insv): New.
146 * config/s390/s390-protos.h (s390_expand_insv): Declare.
147 * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
148 ("icm_hi"): Remove mode attribute.
149 ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
151 ("*extracthi", "*extractqi"): Remove.
152 (extv<mode>", "*extzv<mode>"): New.
153 ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
154 "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
156 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
158 * cfgexpand.c (discover_nonconstant_array_refs_r,
159 discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
160 (tree_expand_cfg): Call discover_nonconstant_array_refs.
161 * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
162 discover_nonconstant_array_refs.
164 2005-10-19 Steven Bosscher <stevenb@suse.de>
167 * c-decl.c (pop_scope): Don't warn about an unused variable
168 if it is marked with TREE_NO_WARNING.
169 (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
170 somenow mismatch and olddecl is to be replaced.
172 2005-10-19 Eric Botcazou <ebotcazou@libertysurf.fr>
175 * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
176 whether registers live on the edge can be saved/restored.
178 2005-10-19 Kaz Kojima <kkojima@gcc.gnu.org>
180 * config/sh/sh.c (fixup_mova): Skip notes.
182 2005-10-19 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
184 * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
185 * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
186 (s390_can_eliminate): Handle BASE_REGNUM elimination.
187 (s390_initial_elimination_offset): Likewise.
188 (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
189 register on TARGET_ZARCH targets.
190 * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
191 (INITIAL_FRAME_POINTER_OFFSET): Remove.
192 (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
193 (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
195 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
197 * config/s390/s390.md: Comment describing output modifiers updated.
198 * config/s390/s390.c (print_operand): Likewise.
200 2005-10-19 Andreas Krebbel <krebbel1@de.ibm.com>
202 * config/s390/s390.c (override_options): Added check for -mstack-size
204 * doc/invoke.texi: Mention that limit in the documenation.
206 2005-10-18 Paolo Bonzini <bonzini@gnu.org>
209 * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
211 2005-10-18 Daniel Berlin <dberlin@dberlin.org>
213 Fix PR tree-optimization/24231
215 * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
216 (compute_avail): Ditto.
218 2005-10-18 Richard Henderson <rth@redhat.com>
221 * config/i386/i386.c (legitimate_constant_p): Check
222 SYMBOL_REF_TLS_MODEL directly. Don't fallthru to SYMBOL_REF
224 (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
225 (legitimate_pic_address_disp_p): Reorg CONST checking to make
226 sure SYMBOL_REF_TLS_MODEL is tested. Test SYMBOL_REF_TLS_MODEL
228 (print_operand_address): Likewise.
229 * config/i386/predicates.md (x86_64_immediate_operand): Test
230 SYMBOL_REF_TLS_MODEL properly inside CONST.
231 (x86_64_zext_immediate_operand): Likewise.
232 (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
233 initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
234 * config/i386/i386-protos.h: Remove predicates.md entries.
236 2005-10-18 Danny Smith <dannysmith@users.sourceforge.net>
238 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
239 Check that elements of TYPE_METHODS are FUNCTION_DECLs.
241 2005-10-17 Alexey Starovoytov <alexey.starovoytov@sun.com>
242 Ian Lance Taylor <ian@airs.com>
245 * fold-const.c (fold_widened_comparison): Do not allow range based
246 constant folding when right operand cannot be unwidened.
248 2005-10-17 Richard Henderson <rth@redhat.com>
250 * builtins.c (expand_builtin_synchronize): Build a new-style asm
251 with a memory clobber.
253 2005-10-17 James E Wilson <wilson@specifix.com>
255 PR rtl-optimization/17356
256 * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
257 checking for EDGE_EH.
259 2005-10-17 Eric Botcazou <ebotcazou@libertysurf.fr>
261 * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
262 the slot on an even boundary for any type with 16-byte alignment.
264 2005-10-17 Hans-Peter Nilsson <hp@axis.com>
267 * md.texi (Modifiers) <%>: Clarify that % doesn't work
268 after register allocation.
270 2005-10-17 DJ Delorie <dj@redhat.com>
272 * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
275 2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
278 * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
281 2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
283 * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
284 to 2 if it's already non-zero.
285 (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
286 is set and warn about it if flag_schedule_insns is 1.
288 2005-10-17 Paul Woegerer <paul.woegerer@nsc.com>
290 * config/crx/crx.md: Compare-and-branch instructions need to
293 2005-10-17 Uros Bizjak <uros@kss-loka.si>
296 * config/i386/i386.md (*pushdi2_rex64 splitter)
297 (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
298 (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
299 flow2 pass only when (optimize > 0 && flag_peephole2).
301 2005-10-16 Andrew Pinski <pinskia@physics.uc.edu>
304 * gcc.c (have_c): New static variable.
306 (process_command): Remove declation of have_c.
307 Set have_o to 1 when handling -o.
308 (main): Add a fatel error if there are multiple
309 files specified and -o and -c/-S is passed witout
310 -combine or multiple languages.
312 2005-10-16 Daniel Berlin <dberlin@dberlin.org>
314 Fix PR tree-optimization/22444
315 * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
316 Assert that we don't hit something with subvars.
317 (setup_pointers_and_addressables): Don't add things with subvars,
318 because we'll already process the subvars for aliasing purposes.
320 2005-10-16 Hans-Peter Nilsson <hp@axis.com>
323 * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
324 ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
325 ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
326 ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
327 ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
328 swapped, alternatives for the R constraint.
331 * builtins.c (get_builtin_sync_mode): Make unlimited
332 mode_for_size request.
334 2005-10-15 Richard Henderson <rth@redhat.com>
336 * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
337 (gimplify_expr): ... here.
338 (gimplify_compound_lval): Use it in initial scan loop. Allow
339 fb_lvalue in base expression.
341 2005-10-15 Richard Henderson <rth@redhat.com>
344 * builtins.c (expand_builtin_trap): Export.
345 * expr.h (expand_builtin_trap): Declare.
346 * expr.c (expand_assignment): Emit a trap for integral offsets
347 from registers that weren't reduced to bitpos.
349 * tree-cfg.c (mark_array_ref_addressable_1): Remove.
350 (mark_array_ref_addressable): Remove.
351 * tree-flow.h (mark_array_ref_addressable): Remove.
352 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
354 2005-10-15 James E Wilson <wilson@specifix.com>
357 * sched-deps.c (add_dependence_list): New arg UNCOND. Fix all callers.
358 (add_dependence_list_and_free): Likewise.
359 (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
362 2005-10-15 Diego Novillo <dnovillo@redhat.com>
366 * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
367 sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
369 (vrp_visit_phi_node): Only prevent infinite iterations when
370 the previous result and the new result are both VR_RANGEs.
372 2005-10-15 Ranjit Mathew <rmathew@gcc.gnu.org>
374 * tree-into-ssa.c (mark_def_sites): Correct minor typo in
377 2005-10-14 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
380 * c-parser.c (c_parser_for_statement): Use location of RID_FOR
383 2005-10-14 Per Bothner <per@bothner.com>
385 PR preprocessor/21250
386 * c-ppoutput.c (print_line): Print internal line 0 as 1.
388 2005-10-14 Nathan Sidwell <nathan@codesourcery.com>
391 * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
392 overflow flags. Refactor some conditionals.
394 2005-10-13 Andrew Pinski <pinskia@physics.uc.edu>
397 * tree-dfa.c (add_referenced_var): Only look at decls which
398 have TREE_CONSTANT or TREE_READONLY set instead of if
399 !TREE_PUBLIC or !TREE_CONSTANT.
401 2005-10-13 James E Wilson <wilson@specifix.com>
403 * doc/invoke.texi: For -x, add f95-cpp-input.
404 * doc/install.texi: For --enable-languages doc, change f95 to fortran.
406 2005-10-12 Sebastian Pop <pop@cri.ensmp.fr>
408 PR tree-optimization/24262
409 * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
410 in loop all the time.
412 2005-10-12 Richard Henderson <rth@redhat.com>
415 * tree.h (DECL_TRANSPARENT_UNION): Remove.
416 * function.c (assign_parm_find_data_types): Don't support it.
417 * print-tree.c (print_node): Likewise.
418 * c-common.c (handle_transparent_union_attribute): Likewise.
419 Use build_duplicate_type.
420 * tree-inline.c (remap_type_1): Split out of remap_type;
421 properly remap aggregate fields.
422 (build_duplicate_type): New.
423 * doc/extend.texi (Variable Attributes): Remove documentation
424 for transparent_union.
426 2005-10-12 Eric Botcazou <ebotcazou@libertysurf.fr>
429 * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
430 (gen_stack_pointer_dec): Likewise.
432 2005-10-12 Danny Smith <dannysmith@users.sourceforge.net>
436 * target.h (struct gcc_target): Add valid_dllimport_attribute_p
438 (struct cxx): Add adjust_class_at_definition target hook.
439 * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
440 defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
441 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
442 hook_void_tree. Add to TARGET_CXX.
443 * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
445 (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
446 * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
447 instead of attribute. Check for dllexport override. Warn if
448 inconsistent dll linkage. Don't lose old dllimport if decl has
449 had address referenced. Tweak lookup of dllimport atribute.
450 (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
451 for target specific rules. Don't add dllimport attribute if
452 DECL_DECLARED_INLINE_P. Set DECL_DLLIMPORT_P when adding
454 (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
455 * varasm.c (initializer_constant_valid_p): Replace
456 DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
460 * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
461 'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
462 (i[34567]86-*-mingw32*): Likewise.
464 * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
465 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
467 * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
468 C++-specific code. Change return value to bool.
469 (i386_pe_dllimport_p): Likewise.
470 (associated_type): Simplify and make language-independent
471 (i386_pe_encode_section_info): Replace override of ambiguous
472 dllimport symbol refs with a gcc_assert.
473 (i386_pe_valid_dllimport_attribute_p): Define.
474 * config/i386/winnt-cxx.c: New file. Define C++ versions of
475 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
476 i386_pe_adjust_class_at_definition.
477 * config/i386/winnt-stubs.c: New file. Define stub versions of
478 lang-specific functions.
479 * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
480 i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
481 i386_pe_adjust_class_at_definition.
482 (i386_pe_valid_dllimport_attribute_p): Declare.
483 * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
484 (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
485 * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
488 * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
489 dllimport attribute with test of DECL_DLLIMPORT_P.
491 2005-10-12 Adrian Straetling <straetling@de.ibm.com>
493 * combine.c (make_extraction): Correct offset computation.
495 2005-10-12 Hans-Peter Nilsson <hp@axis.com>
497 * config/cris/t-linux (LIMITS_H_TEST): Define.
499 2005-10-12 Richard Henderson <rth@redhat.com>
502 * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
504 2005-10-12 Richard Guenther <rguenther@suse.de>
506 * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
508 2005-10-12 Nathan Sidwell <nathan@codesourcery.com>
511 * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
512 DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
515 2005-10-12 Richard Guenther <rguenther@suse.de>
518 * varasm.c (output_constant): Correct typo from previous
521 2005-10-11 Ian Lance Taylor <ian@airs.com>
523 PR rtl-optimization/13931
524 * combine.c: Revert patch of 2003-05-14, and:
525 (try_combine): Only set elim_i1 and elim_i2 if the destination is
526 completely killed in the appropriate insn.
527 (distribute_notes): Don't skip multiple hard register test for
530 2005-10-11 Richard Henderson <rth@redhat.com>
533 * c-typeck.c (convert_for_assignment): Use build_constructor_single
534 to initialize a transparent union instead of a nop_expr.
536 2005-10-11 Richard Henderson <rth@redhat.com>
538 * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
539 * tree-ssa-dce.c: Include tree-scalar-evolution.h.
540 (tree_ssa_dce_loop): Call scev_reset.
543 * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
544 * tree-ssa-dce.c: Include cfgloop.h.
545 (tree_ssa_dce_loop, pass_dce_loop): New.
546 * tree-pass.h (pass_dce_loop): Declare it.
547 * passes.c (init_optimization_passes): Use it.
549 2005-10-11 Eric Botcazou <ebotcazou@libertysurf.fr>
552 * convert.c (convert_to_real): Revert 2005-10-05 patch.
553 Only apply the optimization for rounding builtins if the inner
554 cast is also an extension.
556 2005-10-11 Andrew Pinski <pinskia@physics.uc.edu>
559 * tree-ssa-ccp.c (execute_fold_all_builtins): Call
560 mark_new_vars_to_rename instead of update_stmt.
562 2005-10-11 Bernd Schmidt <bernd.schmidt@analog.com>
564 * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
566 2005-10-11 Jakub Jelinek <jakub@redhat.com>
568 * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
569 for setting MMX register to 0 rather than mmx.
571 2005-10-10 Steve Ellcey <sje@cup.hp.com>
574 * configure.ac: Move gas check from mips specific case to common case.
575 Do check for GNU as for mips*-*-* and *-*-hpux* targets.
576 * configure: Regenerate
577 * doc/install.texi: Update.
579 2005-10-10 Eric Botcazou <ebotcazou@libertysurf.fr>
582 * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
584 2005-10-10 Maciej W. Rozycki <macro@linux-mips.org>
586 * gcc.c (do_spec_1): Accept numeric characters in file name
589 2005-10-10 Nick Clifton <nickc@redhat.com>
591 * config/arm/arm.c: Remove extraneous whitespace. Remove comment
592 describing the deleted arm_gen_rotated_half_load function.
594 2005-10-09 Kaz Kojima <kkojima@gcc.gnu.org>
596 * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
599 2005-10-09 Daniel Jacobowitz <dan@codesourcery.com>
601 * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
603 * config/arm/t-linux-eabi (LIB1ASMFUNCS)
604 (EXTRA_MULTILIB_PARTS): Define.
605 * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
606 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
607 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
608 * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
609 (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
610 (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
612 2005-10-09 Zdenek Dvorak <dvorakz@suse.cz>
614 PR tree-optimization/24226
615 * tree-cfg.c (remove_bb): Clean up unreachable loops.
616 * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
617 * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
620 2005-10-09 Eric Botcazou <ebotcazou@libertysurf.fr>
622 * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
624 2005-10-08 Andrew Pinski <pinskia@physics.uc.edu>
627 * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
628 Rewrite for no need for the early clobber.
630 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
632 Merge from csl-arm-branch:
633 2005-09-07 Paul Brook <paul@codesourcery.com>
634 * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
637 2005-04-30 Paul Brook <paul@codesourcery.com>
638 * config/arm/bpabi.h (TARGET_DEFAULT): Define.
639 * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
641 2005-03-07 Daniel Jacobowitz <dan@codesourcery.com>
642 * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
643 (arm_override_options): Use TARGET_AAPCS_BASED.
644 * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
645 (PTRDIFF_TYPE): Use int for AAPCS.
646 (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
647 * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
648 (DEFAULT_SHORT_ENUMS): Delete.
649 * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
651 2004-12-15 Daniel Jacobowitz <dan@codesourcery.com>
652 * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
653 * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
654 * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
656 2004-12-03 Mark Mitchell <mark@codesourcery.com>
657 * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
659 2004-11-22 Mark Mitchell <mark@codesourcery.com>
660 * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
662 2004-11-19 Mark Mitchell <mark@codesourcery.com>
663 * config.gcc (arm*-*-linux-gnueabi): Add it.
664 * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
666 (TARGET_OS_CPP_BUILTINS): Likeiwse.
667 * config/arm/linux-eabi.h: New file.
668 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
669 (LINUX_TARET_LINK_SPEC): Likewise.
671 * config/arm/t-linux-eabi: New file.
673 2005-10-08 Steven Bosscher <stevenb@suse.de>
676 * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
678 (PARAM_SMS_DFA_HISTORY): Likewise.
680 2005-10-08 Kazu Hirata <kazu@codesourcery.com>
683 * calls.c (mem_overlaps_already_clobbered_arg_p): New.
684 (load_register_parameters): Call it.
685 (check_sibcall_argument_overlap_1): Likewise.
686 (store_one_arg): Likewise.
688 2005-10-07 James E. Wilson <wilson@specifix.com>
690 * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
691 DImode not VECINT24 for operand 2.
694 * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
698 * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
699 fr_spill): Use destination_operand for operand 0.
701 2005-10-07 DJ Delorie <dj@redhat.com>
703 * varasm.c (output_constant): Limit error to expanding
706 2005-10-07 Richard Guenther <rguenther@suse.de>
709 * fold-const.c (fold_binary): Fix operand types during folding
710 of X op (A, Y). Evaluation order of the side-effects of
711 X and A are frontend-defined, so ensure we honour that even for
712 tcc_comparison class operands; eased by removing duplicate code.
714 2005-10-07 Steve Ellcey <sje@cup.hp.com>
716 * stor-layout.c (layout_type): Do not allow alignment of array
717 elements to be greater than their size.
719 2005-10-07 Steve Ellcey <sje@cup.hp.com>
721 * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
723 (hppa*-*-linux*): Ditto.
724 (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
725 * config/host-hpux.c: New.
726 * config/x-hpux: New.
727 * config/pa/x-hpux: Remove.
728 * config/pa/x-linux: Remove.
729 * config/pa/pa-host.c: Remove.
731 2005-10-07 Jeff Law <law@redhat.com>
733 * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
734 determine whether or not to try and thread outgoing edges.
736 2005-10-07 David Edelsohn <edelsohn@gnu.org>
738 * config/rs6000/rs6000.md (eqsi_power): New.
739 (neg_eq0si): Add TARGET_POWER to final condition.
742 2005-10-06 Richard Henderson <rth@redhat.com>
744 * config/rs6000/rs6000.c: Revert last change.
746 2005-10-06 Richard Henderson <rth@redhat.com>
748 * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
749 (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
751 2005-10-06 Andrew Pinski <pinskia@physics.uc.edu>
755 * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
756 out return_label and naked_return_label.
758 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
760 * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
763 2005-10-06 Richard Henderson <rth@redhat.com>
766 * tree-inline.c (declare_return_variable): Handle modify_dest not
769 2005-10-06 Daniel Berlin <dberlin@dberlin.org>
771 Fix PR tree-optimization/22488
772 * tree-ssa-structalias.c (check_for_overlaps): New function.
773 (create_variable_info_for): Use it.
775 2005-10-06 Richard Henderson <rth@redhat.com>
778 * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
779 (dwarf2out_start_source_file): Print it.
781 2005-10-06 Geoffrey Keating <geoffk@apple.com>
783 * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
785 2005-10-06 Richard Henderson <rth@redhat.com>
788 * mode-switching.c (optimize_mode_switching): Clear transp bit
789 for block with incomming abnormal edges.
791 * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
792 (fpscr_set_from_mem): Use them.
793 * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
794 (fpscr postinc splitters): Rewrite as peephole2+split.
796 2005-10-06 David Edelsohn <edelsohn@gnu.org>
798 * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
799 (eq<mode>_compare): Same.
801 2005-10-06 Richard Guenther <rguenther@suse.de>
803 PR tree-optimization/24238
804 * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
806 2005-10-06 Daniel Jacobowitz <dan@codesourcery.com>
808 * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
809 here. Use AC_PATH_PROG for environment variables instead of
811 * configure.ac: Update calls to gcc_AC_CHECK_TOOL. Use it for
813 * configure: Regenerated.
815 2005-10-06 Richard Earnshaw <richard.earnshaw@arm.com>
818 * arm.md (call): If the address isn't a SYMBOL_REF or a register,
819 then force it into a register.
820 (call_value): Likewise.
822 2005-10-06 Richard Henderson <rth@redhat.com>
825 * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
826 under pass_vectorize. Clear TODO_ggc_collect from the dce pass
827 under pass_vectorize.
829 2005-10-05 Devang Patel <dpatel@apple.com>
832 * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
833 handling constants. Check NAMESPACE_DECL context for constants.
835 2005-10-05 Eric Christopher <echristo@apple.com>
837 * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
839 2005-10-05 Richard Henderson <rth@redhat.com>
842 * tree-cfg.c (mark_array_ref_addressable_1): New.
843 (mark_array_ref_addressable): New.
844 * tree-flow.h (mark_array_ref_addressable): Declare.
845 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
847 2005-10-05 Andrew Pinski <pinskia@physics.uc.edu>
851 * reload.c (subst_reloads): When adding a REG_LABEL to a
852 jump instruction, also update JUMP_LABEL.
854 2005-10-05 David Edelsohn <edelsohn@gnu.org>
856 * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
857 * bb-reorder.c (copy_bb_p): Use it.
858 * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
860 2005-10-05 Richard Henderson <rth@redhat.com>
863 * toplev.c (process_options): Warn about unsupported combinations
864 of unwind tables and omit-frame-pointer.
865 * config/i386/i386.c (override_options): Similarly. Enable
866 accumulate-outgoing-args if not explicitly disabled.
868 2005-10-05 Steve Ellcey <sje@cup.hp.com>
870 * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
871 Handle big endian vs. small endian.
872 (vec_initv2sf): Handle big endian vs. small endian.
873 (*vec_extractv2sf_1): Ditto.
875 2005-10-05 Dale Johannesen <dalej@apple.com>
877 * convert.c (convert_to_real): Don't convert
878 (float)floor(double d) to floorf((float)d).
880 2005-10-05 Daniel Jacobowitz <dan@codesourcery.com>
882 * config/arm/arm.md (insv): Use gen_int_mode in more places.
884 2005-10-05 Andrew MacLeod <amacleod@redhat.com>
886 PR tree-optimization/18587
887 * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
888 (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
889 build_vuses): Change to VEC type.
890 (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
891 opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
892 opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
893 opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
894 (get_name_decl): New. Return DECL_UID of base variable.
895 (operand_build_cmp): New. qsort comparison routine.
896 (operand_build_sort_virtual): New. Sort virtual build vector.
897 (init_ssa_operands, fini_ssa_operands): Use VEC routines.
898 (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
899 (FINALIZE_BASE): Use get_name_decl.
900 (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
901 finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
902 (start_ssa_stmt_operands, append_def, append_use, append_vuse,
903 append_v_may_def, append_v_must_def): Replace opbuild_* routines with
904 direct VEC_* manipulations.
905 (build_ssa_operands): Call operand_build_sort_virtual.
906 (copy_virtual_operand, create_ssa_artficial_load_stmt,
907 add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
908 with direct VEC_* manipulations.
909 * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
910 with direct VEC manipulations.
912 2005-10-05 Paolo Bonzini <bonzini@gnu.org>
914 PR tree-optimization/21419
915 PR tree-optimization/24146
916 PR tree-optimization/24151
918 * c-typeck.c (readonly_error): Handle USE being lv_asm.
919 (build_asm_expr): Call it if outputs are read-only.
920 * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
922 2005-10-05 Billy Biggs <billy.biggs@gmail.com>
923 Paolo Bonzini <bonzini@gnu.org>
927 * doc/extend.texi (x86 Built-ins): Document that -msse and friends
928 enable the instructions and not just the built-ins.
929 * doc/invoke.texi (x86 Options): Likewise.
931 2005-10-04 Geoffrey Keating <geoffk@apple.com>
933 * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
935 * doc/invoke.texi (Option Summary): Correct spelling
936 of -mmacosx-version-min.
938 2005-10-04 Devang Patel <dpatel@apple.com>
940 * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
943 2005-10-04 Steve Ellcey <sje@cup.hp.com>
945 * tree-vect-transform.c (vect_create_epilog_for_reduction):
946 Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
948 2005-10-04 Adrian Straetling <straetling@de.ibm.com>
950 * config/s390/s390.md ("TDSI","DP"): New mode macros.
951 ("TE","tg"): New mode attributes.
952 ("sync_compare_and_swap<mode>"): Replace with a define_expand.
953 ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
954 ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
955 dword_mode and one for GPRmode.
957 2005-10-04 Ian Lance Taylor <ian@airs.com>
959 PR preprocessor/13726
960 * c-ppoutput.c (cb_include): Add comments parameter, and print out
961 any comments passed in.
963 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
965 * tree.c (annotate_with_file_line): Fix typo.
967 2005-10-04 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
970 * builtins.c (fold_builtin_memcmp): When constructing the pointer
971 type used to access data in the inlined length == 1 case, use
972 build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
973 (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
975 2005-10-04 Uros Bizjak <uros@kss-loka.si>
977 * config/i386/i386.h (TARGET_FISTTP): Enable also for
978 TARGET_SSE3 and only for TARGET_80387.
979 * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
980 (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
981 Do not depend on TARGET_80387.
983 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
985 * tree.c (last_annotated_node): Change type to location_t*.
986 (annotate_with_file_line): Reflect the change of
987 last_annotated_node type.
989 2005-10-04 Richard Guenther <rguenther@suse.de>
992 * c-decl.c (grokdeclarator): Don't write to fields
995 2005-10-04 Andrew Pinski <pinskia@physics.uc.edu>
998 * c-decl.c (finish_decl): Use set_user_assembler_name even for
1000 * varasm.c (make_decl_rtl): If a register variable does not
1001 have a set user assmbler name, error out.
1002 Decode the asmspec is now name+1 bypassing '*'.
1004 2005-10-04 Steven Bosscher <stevenb@suse.de>
1006 PR tree-optimization/23049
1007 * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
1008 of a COND_EXPR is folded before calling fold on the whole rhs of a
1009 conditional assignment.
1010 * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
1011 document that a COND_EXPR may appear there.
1013 2005-10-03 Diego Novillo <dnovillo@redhat.com>
1016 * tree-vrp.c (extract_range_from_assert): If the new numeric
1017 range created out of the assertion contradicts the existing
1018 numeric range of the ASSERT_EXPR variable, make the new range
1021 2005-10-03 Kaz Kojima <kkojima@gcc.gnu.org>
1023 * config/sh/sh.c (sh_register_move_cost): Add case for moving
1024 from T_REGS to FP register class.
1026 2005-10-03 Richard Henderson <rth@redhat.com>
1029 * tree-nested.c (convert_nl_goto_reference): Lookup a translation
1030 before creating a new one.
1032 2005-10-03 David Edelsohn <edelsohn@gnu.org>
1034 * config/rs6000/t-aix43 (LDFLAGS): New.
1035 * config/rs6000/t-aix52 (LDFLAGS): New.
1037 2005-10-03 Ian Lance Taylor <ian@airs.com>
1039 * gimplify.c (find_single_pointer_decl_1): New static function.
1040 (find_single_pointer_decl): New static function.
1041 (internal_get_tmp_var): For a formal variable, set restrict base
1042 information if appropriate.
1043 * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
1045 * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
1046 (DECL_GET_RESTRICT_BASE): Define.
1047 (SET_DECL_RESTRICT_BASE): Define.
1048 (decl_restrict_base_lookup): Declare.
1049 (decl_restrict_base_insert): Declare.
1050 (struct tree_decl_with_vis): Add based_on_restrict_p field.
1051 * tree.c (restrict_base_for_decl): New static variable.
1052 (init_ttree): Initialize restrict_base_for_decl.
1053 (copy_node_stat): Copy restrict base information.
1054 (decl_restrict_base_lookup): New function.
1055 (decl_restrict_base_insert): New function.
1056 (print_restrict_base_statistics): New static function.
1057 (dump_tree_statistics): Call print_restrict_base_statistics.
1059 2005-10-02 Diego Novillo <dnovillo@redhat.com>
1062 * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
1063 case of anti-ranges.
1065 2005-10-02 Andrew Pinski <pinskia@physics.uc.edu>
1068 * c-typeck.c (tagged_tu_seen): Rename to ...
1069 (tagged_tu_seen_cache): this and add val field.
1070 (comptypes): Move functional to comptypes_internal
1071 and free tagged_tu_seen.
1072 (comptypes_internal): New function and call comptypes_internal
1073 instead of comptypes. Speed up by sibcalling
1074 tagged_types_tu_compatible_p.
1075 (alloc_tagged_tu_seen): New function
1076 (free_all_tagged_tu_seen_up_to): New function.
1077 (tagged_types_tu_compatible_p): Return the val of the seen two
1079 Add that the two types are the same to tagged_tu_seen_base
1080 if they are and call comptypes_internal instead of comptypes.
1081 <case UNION_TYPE>: Speed up common type where the fields are
1083 (function_types_compatible_p): Call comptypes_internal instead of
1085 (type_lists_compatible_p): Likewise.
1086 (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
1088 2005-10-02 Matthias Klose <doko@debian.org>
1090 * doc/invoke.texi: Fix typo and speling error.
1092 2005-10-01 Richard Henderson <rth@redhat.com>
1094 * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
1096 2005-10-01 Mark Mitchell <mark@codesourcery.com>
1098 * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
1099 using --start-group and --end-group.
1101 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1103 * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
1104 FIXME note regarding quirky semantics.
1106 2005-10-01 Diego Novillo <dnovillo@redhat.com>
1109 * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
1110 non-null range as a last resort.
1112 2005-10-01 James A. Morrison <phython@gcc.gnu.org>
1113 Diego Novillo <dnovillo@redhat.com>
1116 * tree-vrp.c (extract_range_from_assert): For !=
1117 assertions, only build an anti-range if LIMIT is a
1118 single-valued range.
1120 2005-09-30 Richard Earnshaw <richard.earnshaw@arm.com>
1122 * arm.md (movqi): On thumb when optimizing, handle loading from
1123 memory by describing this as taking a subreg of a zero-extended load
1124 into an SImode register.
1127 2005-09-30 Daniel Jacobowitz <dan@codesourcery.com>
1129 * reload1.c (merge_assigned_reloads): Do not change any
1130 RELOAD_FOR_OUTPUT_ADDRESS reloads.
1132 2005-09-30 Geoffrey Keating <geoffk@apple.com>
1134 * Makefile.in (LIPO_FOR_TARGET): Define.
1135 (STRIP_FOR_TARGET): Define.
1137 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
1138 before creating new ones. Do symlinks before creating the actual
1141 * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
1142 to work out which multilibs are actually being built.
1144 2005-09-30 Kazu Hirata <kazu@codesourcery.com>
1146 * tree-vect-transform.c, config/ms1/ms1.md,
1147 config/s390/s390.c, config/v850/v850.md: Fix comment typos.
1148 Follow spelling conventions.
1149 * doc/invoke.texi, doc/md.texi: Fix typos.
1151 2005-09-30 Andrew Macleod <amacleod@redat.com>
1153 PR tree-optimization/21430
1154 * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
1155 use operands, and set stmt pointer if need be.
1156 (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
1157 tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
1160 2005-09-29 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1163 * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
1165 2005-09-29 Mark Mitchell <mark@codesourcery.com>
1167 * optabs.c (expand_binop): Initialize first_pass_p.
1169 2005-09-29 Jakub Jelinek <jakub@redhat.com>
1172 * c-decl.c (c_write_global_declarations_1): If any
1173 wrapup_global_declaration_2 call returned true, restart the loop.
1175 2005-09-29 Daniel Berlin <dberlin@dberlin.org>
1177 Fix PR tree-optimization/24117
1178 * tree-ssa-structalias.c (find_func_aliases): Strip nops
1179 before considering whether to use anyoffset.
1181 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1185 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1187 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1189 (swap_commutative_operands_with_target): New.
1191 2005-09-29 Paolo Bonzini <bonzini@gnu.org>
1194 * gimplify.c (gimplify_asm_expr): Raise an error if an output is
1197 2005-09-29 Steven Bosscher <stevenb@suse.de>
1199 PR tree-optimization/23911
1200 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
1201 and IMAGPART_EXPR too.
1203 2005-09-28 Mark Mitchell <mark@codesourcery.com>
1206 * expmed.c (expand_shift): Move logic to reverse rotation
1207 direction when rotating by constants ...
1208 * optabs.c (expand_binop): ... here.
1209 * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
1210 (ix86_rotrdi3): New pattern.
1211 (rotldi3): Handle 32-bit mode.
1212 (ix86_rotldi3): New pattern.
1214 2005-09-29 Alan Modra <amodra@bigpond.net.au>
1217 * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
1218 check for numbers that need no bit twiddle.
1220 2005-09-28 Geoffrey Keating <geoffk@apple.com>
1222 * config/rs6000/t-darwin8: Uncomment contents, allow -m64
1223 multilib to be built.
1225 * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
1226 (stage1-start): Delete old libgcc and libunwind before moving
1227 anything into the stage directory.
1228 (stage2-start): Likewise.
1229 (stage3-start): Likewise.
1230 (stage4-start): Likewise.
1231 (stageprofile-start): Likewise.
1232 (stagefeedback-start): Likewise.
1233 * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
1234 header in tm_file and CPU-specific t-darwin in tmake_file.
1235 (i[34567]86-*-darwin*): Don't change tm_file.
1236 (powerpc-*-darwin*): Don't change tm_file or tmake_file.
1237 * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
1238 shared library stub for target OS version.
1239 * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
1240 (SHLIB_LINK): Don't make SHLIB_SOLINK.
1241 (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
1242 (libgcc_s.%.dylib): New.
1244 (install-darwin-libgcc-stubs): New.
1245 (INSTALL_LIBGCC): New append.
1246 * config/i386/darwin-libgcc.10.4.ver: New.
1247 * config/i386/darwin-libgcc.10.5.ver: New.
1248 * config/i386/t-darwin: New.
1249 * config/rs6000/darwin-libgcc.10.4.ver: New.
1250 * config/rs6000/darwin-libgcc.10.5.ver: New.
1251 * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
1252 * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
1254 2005-09-28 Paul Brook <paul@codesourcery.com>
1256 * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
1259 2005-09-28 Richard Guenther <rguenther@suse.de>
1261 PR tree-optimization/23853
1262 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
1263 host_integerp to verify misalignment value.
1265 2005-09-28 Richard Henderson <rth@redhat.com>
1267 * builtins.c (get_builtin_sync_mode): New.
1268 (expand_builtin_sync_operation): Pass in mode argument.
1269 (expand_builtin_compare_and_swap): Likewise.
1270 (expand_builtin_lock_test_and_set): Likewise.
1271 (expand_builtin_lock_release): Likewise.
1272 (expand_builtin): Update to match.
1274 2005-09-28 Nick Clifton <nickc@redhat.com>
1276 * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
1277 formatting. Add check to PLUS case to ensure that the offset is
1278 within an acceptable range.
1280 * config/v850/v850.md (casesi): Disable the generation of the
1281 switch pattern as it is not being handled properly at the moment.
1283 * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
1284 for when the high words are identical.
1286 2005-09-27 Richard Henderson <rth@redhat.com>
1288 * pretty-print.c (pp_base_format): Fix typo for %>.
1290 2005-09-27 Daniel Berlin <dberlin@dberlin.org>
1291 Devang Patel <dpatel@apple.com>
1293 PR tree-optimization/23625
1294 * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
1295 LABEL_EXPR, assertion check.
1297 2005-09-27 J"orn Rennecke <joern.rennecke@st.com>
1299 * optabs.c (no_conflict_move_test): Check if a result of a
1300 to-be-moved insn would be clobbered by an originally
1303 2005-09-27 Jeff Law <law@redhat.com>
1305 * passes.c (init_optimization_passes): Replace copy propagation
1306 passes immediately after DOM with phi-only copy propagation
1307 pases. Add phi-only copy propagation pass after first DOM pass.
1308 * tree-pass.h (pass_phi_only_copy_prop): Declare.
1309 * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
1310 If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
1311 (execute_copy_prop): Accept new PHI_ONLY argument. Pass it along
1312 to init_copy_prop. Callers updated.
1313 (do_phi_only_copy_prop): New function.
1314 (pass_phi_only_copy_prop): New pass descriptor.
1316 2005-09-27 Nick Clifton <nickc@redhat.com>
1318 * libgcc2.c (__popcount_tab): Remove redundant prototype.
1320 2005-09-26 Jason Merrill <jason@redhat.com>
1323 * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
1325 * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
1327 2005-09-26 James E Wilson <wilson@specifix.com>
1329 * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
1330 copyright. Add gcc copyright plus libgcc exception.
1331 * config/ia64/crtfastmath.asm: Remove glibc copyright. Add gcc
1333 * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
1335 2005-09-26 Jeff Law <law@redhat.com>
1337 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
1338 about when to iterate.
1340 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
1343 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
1344 for __complex__ double in -mcpu=G5 mode.
1346 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
1348 PR tree-optimization/23942
1349 * Makefile.in (SCEV_H): Depends on PARAMS_H.
1350 * tree-scalar-evolution.c: Include params.h.
1352 (follow_ssa_edge, follow_ssa_edge_in_rhs,
1353 follow_ssa_edge_in_condition_phi_branch,
1354 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
1355 Change return type to t_bool. Use a parameter to limit the size of
1356 trees that are walked before stopping
1357 (analyze_evolution_in_loop): Initialize the limit to 0.
1358 (follow_ssa_edge): Give up by returning t_dont_know if the limit
1359 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
1361 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1364 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
1365 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
1367 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
1369 * combine.c (make_extraction): Check for valid use of subreg.
1371 2005-09-26 Uros Bizjak <uros@kss-loka.si>
1374 * config/i386/i386.md ("*fistdi2_1"): New pattern.
1375 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
1376 ("fist<mode>2_with_temp"): Use only register operands.
1378 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
1380 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
1381 CALL_INSN_FUNCTION_USAGE.
1383 2005-09-26 Richard Guenther <rguenther@suse.de>
1386 * gcse.c: Include hashtab.h, define ldst entry hashtable.
1387 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
1388 (ldst_entry): Use the hashtable instead of list-walking.
1389 (find_rtx_in_ldst): Likewise.
1390 (free_ldst_entry): Free the hashtable.
1391 (compute_ld_motion_mems): Create the hashtable.
1392 (trim_ld_motion_mems): Remove entry from hashtable if
1393 removing it from list.
1394 (compute_store_table): Likewise^2.
1395 (store_motion): Free hashtable in case we did not see
1398 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
1400 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
1401 and arg1 if we are passing them to fold_build2.
1403 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
1406 * config/i386/i386.c (ix86_function_regparm): Fix the test for
1409 2005-09-25 Richard Henderson <rth@redhat.com>
1411 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
1412 SYMBOL_REF_TLS_MODEL to be correct.
1414 2005-09-24 Richard Henderson <rth@redhat.com>
1416 * ipa-type-escape.c (discover_unique_type): Remove dead code at
1417 end of function. Reindent.
1419 2005-09-24 Ian Lance Taylor <ian@airs.com>
1421 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
1422 NEGATE_EXPR/BIT_NOT_EXPR case.
1424 2005-09-24 Richard Henderson <rth@redhat.com>
1426 * c-common.c (handle_mode_attribute): When not modifying in place,
1427 create subtypes for enumerations.
1428 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
1429 * gimplify.c (create_tmp_from_val): Likewise.
1431 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
1433 * config/i386/i386.md (*tls_global_dynamic_64,
1434 *tls_local_dynamic_base_64): Add missing mode to call.
1435 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
1437 2005-09-24 Jan Hubicka <jh@suse.cz>
1439 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
1440 (cgraph_clone_node): Likewise.
1441 * cgraph.h (cgraph_clone_edge): Update prototype.
1442 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
1443 duplicated prototypes; add updating argument.
1444 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
1445 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
1447 (cgraph_mark_inline_edge): Likewise.
1448 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
1449 (cgraph_flatten_node): Likewise.
1450 (cgraph_decide_recursive_inlining): Likewise.
1451 (cgraph_decide_inlining_of_small_function): Likewise.
1452 * tree-optimize.c (tree_rest_of_compilation): Likewise.
1454 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1455 Pete Steinmetz <steinmtz@us.ibm.com>
1457 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
1458 (rldic.): Set type to "compare".
1460 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
1461 mfjmpr for MFCTR/MFLR.
1462 (movdf_hardfloat64): Same.
1463 (movdf_softfloat64): Same. Correct order of store and move types.
1464 (movti_string): Set type to store_ux/load_ux.
1465 (load_multiple): Set type to load_ux.
1466 (store_multiple): Set type to store_ux.
1467 (movmemsi): Set type to store_ux.
1468 (output_cbranch direct_return): Set type to jmpreg.
1469 (stmw): Set type to store_ux.
1470 (lmw): Set type to load_ux.
1471 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
1472 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
1473 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
1474 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
1475 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
1476 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
1477 (rios1-fpstore): Increase latency to 3.
1478 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
1479 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
1481 2005-09-23 David Edelsohn <edelsohn@gnu.org>
1482 Andrew Pinski <pinskia@physics.uc.edu>
1484 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
1485 operand2 constraint to "b".
1486 (sync_<fetchop_name>di_internal): Same.
1487 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
1489 (sync_old_<fetchop_name>di_internal): Same.
1490 (sync_new_<fetchop_name>si_internal): Same.
1491 (sync_new_<fetchop_name>di_internal): Same.
1493 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
1496 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
1497 case, define as macros.
1499 PR rtl-optimization/23837
1500 * optabs.c (no_conflict_move_test): Don't set must_stay for a
1501 clobber / clobber match between dest and p->first.
1503 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
1504 (no_conflict_move_test): Update comments.
1506 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
1508 * doc/install.texi: Update URL for Jacks.
1509 * doc/sourcebuild.texi: Likewise.
1511 2005-09-22 David Edelsohn <edelsohn@gnu.org>
1514 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
1515 registers when choosing register preferences.
1516 (movdf_hardfloat64): Same.
1518 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
1520 * expmed.c (expand_shift): Don't use the target of the rotate as
1521 target for the first expanded shift insn.
1522 * testsuite/gcc.dg/20050922-1.c: Testcase added.
1524 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
1526 PR tree-optimization/22438
1527 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
1528 preserved iv rhs rewriting specially.
1530 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
1532 * tree-data-ref.c (analyze_array_indexes): Only estimate when
1533 estimate_only is true.
1534 * tree-flow.h (ref_contains_indirect_ref): New prototype.
1535 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
1536 tree-ssa-structalias.c
1537 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
1538 ref_contains_indirect_ref.
1539 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
1541 2005-09-21 DJ Delorie <dj@redhat.com>
1543 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
1545 (mn10300_return_in_memory): Support variable size types also.
1546 (mn10300_pass_by_reference): Likewise.
1547 (mn10300_function_value): New.
1548 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
1549 (FUNCTION_OUTGOING_VALUE): Likewise.
1550 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
1551 * doc/invoke.texi: Document it.
1553 2005-09-21 Uros Bizjak <uros@kss-loka.si>
1556 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
1557 force integer op1 into register for XFmode compares.
1559 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
1562 * expmed.c (alg_code): Add alg_impossible.
1563 (alg_hash_entry): Add cost.
1564 (synth_mult): Record alg_impossible in the hash table if
1565 multiplication by a given integer is impossble within the
1566 limit. Speed up using alg_impossible.
1568 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1570 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
1571 argument. Allow and set any offset if needs_anyoffset is passed
1573 (get_constraint_for): Add argument here too.
1575 (do_structure_copy): Pass NULL to get_constraint_for.
1576 (handle_ptr_arith): Ditto.
1577 (find_func_aliases): Ditto.
1579 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
1581 PR rtl-optimization/23898
1582 * output.h (get_attr_min_length): Declare.
1583 * final.c (get_attr_length_1): New function, broken out of:
1585 (get_attr_min_length): New function.
1586 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
1587 (duplicate_computed_gotos): Likewise.
1588 * genattr.c (insn_min_length): Generate declaration.
1589 * genattrtab.c (min_fn, min_attr_value): New functions.
1590 (make_length_attrs): Generate insn_min_length.
1592 2005-09-20 Steve Ellcey <sje@cup.hp.com>
1594 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
1596 2005-09-20 Richard Henderson <rth@redhat.com>
1598 PR tree-optimization/24059
1599 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
1602 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
1604 * c.opt (fextended-identifiers): New.
1605 * c-opts.c (c_common_handle_option): Handle
1606 -fextended-identifiers.
1607 * doc/cpp.texi: Update documentation of extended identifiers.
1608 * doc/cppopts.texi (-fextended-identifiers): Document.
1610 2005-09-20 Jakub Jelinek <jakub@redhat.com>
1612 PR tree-optimization/23929
1613 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
1616 PR tree-optimization/23818
1617 * tree-stdarg.c (execute_optimize_stdarg): Call
1618 calculate_dominance_info.
1620 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
1622 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
1623 (analyze_siv_subscript_cst_affine): Add weak SIV test.
1624 (compute_overlap_steps_for_affine_1_2): Use
1625 get_number_of_iters_for_loop.
1626 (analyze_subscript_affine_affine): Check whether difference is
1628 Use get_number_of_iters_for_loop.
1629 Check whether overlap occurs outside of bounds.
1630 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
1632 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
1634 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
1635 base register if possible.
1637 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
1639 PR tree-optimization/18463
1640 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
1641 converting it directly is not possible.
1642 (chrec_convert_aggressive): New function.
1643 * tree-chrec.h (chrec_convert_aggressive): Declare.
1644 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
1645 Fold chrec conversions aggressively if asked to.
1646 (instantiate_parameters): Modified because of changes in
1647 instantiate_parameters_1.
1649 2005-09-19 Richard Henderson <rth@redhat.com>
1651 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
1652 (reduc_splus_v2df): New.
1654 2005-09-19 Richard Sandiford <richard@codesourcery.com>
1656 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
1657 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
1659 2005-09-19 Richard Henderson <rth@redhat.com>
1661 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
1664 2005-09-19 Richard Henderson <rth@redhat.com>
1666 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
1667 (ia64_expand_dot_prod_v8qi): New.
1668 * config/ia64/ia64-protos.h: Update.
1669 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
1670 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
1671 sdot_prodv8qi, sdot_prodv4hi): New.
1672 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
1674 2005-09-19 Richard Henderson <rth@redhat.com>
1677 * real.c (exact_real_truncate): Return false if the format cannot
1678 represent the number as a normal.
1680 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
1681 for a memory source.
1683 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
1685 * tree-ssa-operands.c (swap_tree_operands): Export.
1686 * tree.h (swap_tree_operands): Declare.
1687 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
1688 Call swap_tree_operands.
1690 2005-09-19 Richard Henderson <rth@redhat.com>
1692 * tree-flow.h (merge_alias_info): Declare.
1693 * tree-ssa-copy.c (merge_alias_info): Export.
1694 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
1695 (vect_create_data_ref_ptr): Use create_iv directly.
1696 (vectorizable_load): Use correct types for integer constants.
1697 (vect_generate_tmps_on_preheader): Likewise.
1698 (vect_gen_niters_for_prolog_loop): Likewise.
1700 2005-09-19 Steven Bosscher <stevenb@suse.de>
1702 PR rtl-optimization/23943
1703 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
1705 2005-09-18 Jan Hubicka <jh@suse.cz>
1707 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
1709 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
1711 * varasm.c (output_constant): Do not abort on conversions to union
1712 types between different sizes.
1714 2005-09-18 Richard Guenther <rguenther@suse.de>
1717 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
1720 2005-09-18 Paul Brook <paul@codesourcery.com>
1722 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
1724 2005-09-17 Richard Henderson <rth@redhat.com>
1726 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
1727 * tree-ssa-loop.c (pass_vect_dce): Remove.
1728 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
1731 2005-09-17 Richard Henderson <rth@redhat.com>
1733 * tree-pass.h (pass_vect_dce): Declare.
1734 * passes.c (init_optimization_passes): Add it.
1735 * tree-flow.h (tree_ssa_dce): Declare.
1736 * tree-ssa-dce.c (tree_ssa_dce): Export.
1737 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
1738 (gate_tree_vectorize): ... here.
1739 (pass_vect_dce): New.
1741 2005-09-17 Jan Hubicka <jh@suse.cz>
1743 * except.c (struct eh_status): Turn region_array into vec.
1744 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
1745 convert_from_eh_region_ranges, find_exception_handler_labels,
1746 current_function_has_exception_handlers, assign_filter_values,
1747 build_post_landing_pads, dw2_build_landing_pads,
1748 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
1749 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
1750 foreach_reachable_handler, can_throw_internal_1,
1751 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
1753 (duplicate_eh_region_1): Update region_array.
1754 (duplicate_eh_regions): Resize region_array and avoid recomputing.
1756 2005-09-17 David Edelsohn <edelsohn@gnu.org>
1759 * expmed.c (expand_mult): Substitute simple register for op0 when
1762 2005-09-17 Richard Henderson <rth@redhat.com>
1764 * expr.c (emit_move_via_integer): Add force argument, pass it on
1765 to emit_move_change_mode. Update callers.
1766 (emit_move_complex): Pass true to new force argument.
1767 * function.c (expand_function_end): Move expand_eh_return call
1768 earlier. Merge sub-word complex values into a pseudo before
1769 copying to the return hard register.
1771 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
1773 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
1774 between different sizes.
1776 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
1780 * passes.c (init_optimization_passes): Register dump files for
1783 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
1785 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
1786 * config/s390/s390.c (s390_overlap_p): New function.
1787 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
1788 peephole2, "*xc" peephole2): Added overlap check to the peephole2
1791 2005-09-16 Richard Guenther <rguenther@suse.de>
1793 * ipa-pure-const.c (static_execute): Free auxiliar information.
1794 * ipa-type-escape.c (discover_unique_type): Free temporary key.
1795 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
1797 2005-09-15 DJ Delorie <dj@redhat.com>
1799 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
1801 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
1803 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
1805 (swap_commutative_operands_with_target): New.
1807 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
1809 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
1812 (estimate_iters_using_array): New function.
1813 * tree-data-ref.h (estimate_iters_using_array): Prototype
1814 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
1815 Use estimate_iters_using_array instead of analyze_array.
1817 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
1819 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
1822 2005-09-15 Michael Matz <matz@suse.de>
1824 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
1826 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
1828 PR tree-optimization/23835
1829 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
1830 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
1832 2005-09-14 Richard Henderson <rth@redhat.com>
1834 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
1835 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
1837 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
1839 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
1840 in the ARRAY_TYPE case.
1842 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
1844 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
1846 2005-09-14 Uros Bizjak <uros@kss-loka.si>
1849 * tree-vect-transform.c (vectorizable_operation): Return false for
1850 scalar shift operations and for vector shift operations with
1851 non-invariant shift arguments. Use scalar tree operand op1 as
1852 a shift operand when vector shift insn pattern uses scalar shift
1854 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
1856 2005-09-14 Olivier Hainque <hainque@adacore.com>
1858 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
1859 value if it has side-effects.
1861 2005-09-14 David Edelsohn <edelsohn@gnu.org>
1864 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
1866 2005-09-14 Alan Modra <amodra@bigpond.net.au>
1868 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
1869 passed as NAME as if it were label at start of function code.
1871 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
1873 * config/sh/sh.md (*movv4sf_i): Add general register cases to
1876 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1878 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
1879 as early clobber. Rewrite so the PIC register is not implicitly used.
1881 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1883 * tree.c (annotate_with_file_line): Compare line numbers before
1886 2005-09-13 Uros Bizjak <uros@kss-loka.si>
1889 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
1890 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
1892 2005-09-13 Ian Lance Taylor <ian@airs.com>
1894 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
1895 than a HOST_WIDEST_INT to gen_doloop_begin.
1897 2005-09-13 Diego Novillo <dnovillo@redhat.com>
1899 * tree-dfa.c (dump_variable): Guard against NULL annotations.
1901 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
1903 PR tree-optimize/23817
1904 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
1906 2005-09-13 Alan Modra <amodra@bigpond.net.au>
1909 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
1910 word before changing the stack pointer. Use gen_frame_mem for MEMs.
1911 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
1912 (restore_stack_nonlocal): Likewise.
1913 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
1915 2005-09-12 Ian Lance Taylor <ian@airs.com>
1918 * c.opt (ffriend-injection): New C++ option.
1919 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
1920 (C++ Dialect Options): Document -ffriend-injection.
1922 2005-09-12 Josh Conner <jconner@apple.com>
1925 * ipa-reference.c (static_execute): Don't mark variables in
1926 named sections TREE_READONLY.
1928 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1930 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
1933 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1935 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
1936 V_MUST_DEF instead of just the first_use_p.
1937 Don't mark the virtual variables for renaming on the statement which
1939 (pass_dse): Remove TODO_update_ssa.
1941 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
1944 * stor-layout.c (compute_record_mode): For records with a single
1945 field, actually check the field's mode size against the type size.
1947 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
1948 registers for TARGET_SHMEDIA.
1949 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
1950 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
1951 of GENERAL_REGS and FP_REGS.
1953 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
1955 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
1957 2005-09-12 Alan Modra <amodra@bigpond.net.au>
1959 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
1960 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
1961 are omitted. Exclude stack_tie insn too.
1963 2005-09-11 David Edelsohn <edelsohn@gnu.org>
1965 PR rtl-optimization/23098
1966 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
1968 * config/rs6000/rs6000.md (movdf splitter): Use
1969 const_double_operand predicate for TARGET_POWERPC64.
1970 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
1971 SYMBOL_REF method to ABI_V4.
1973 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
1974 replace_equiv_address.
1975 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
1976 rs6000_sr_alias_set and MEM_NOTRAP.
1977 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
1979 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
1981 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
1982 handle CALL_EXPR again.
1984 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
1986 * arm/predicates.md (alignable_memory_operand): Delete.
1988 2005-09-10 Richard Henderson <rth@redhat.com>
1991 * dbxout.c (dbxout_expand_expr): New.
1992 (dbxout_symbol): Use it.
1994 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
1996 * arm.c (arm_gen_rotated_half_load): Delete.
1997 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
1998 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
1999 (thumb_set_return_address): Likewise.
2000 (thumb_load_double_from_address): Use adjust_address.
2001 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
2002 (extendhsisi2_mem, movhi_bytes): Use change_address.
2003 (movhi): Use widen_memory_access.
2004 (reload_out_df): Use replace_equiv_address.
2005 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
2007 2005-09-09 Richard Henderson <rth@redhat.com>
2010 * dbxout.c: Include expr.h.
2011 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
2012 (dbxout_symbol): Handle DECL_VALUE_EXPR.
2013 * Makefile.in (dbxout.o): Add EXPR_H.
2015 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
2017 PR tree-optimization/23509
2018 * tree-cfg.c (replace_uses_by): Use replace_exp.
2019 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
2020 pointers have name_mem_tag or type_mem_tag set.
2022 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2024 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
2025 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
2026 of wrongly accessing operands.
2028 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
2030 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
2031 * tree-chrec.c: Include tree-scalar-evolution.h.
2032 (chrec_convert): Instantiate the base and step before calling
2033 scev_probably_wraps_p that would fail on parametric evolutions.
2034 Collect all the fails into a single section failed_to_convert,
2035 print a diagnostic, and return chrec_dont_know instead of calling
2037 * tree-scalar-evolution.c (loop_closed_phi_def): New.
2038 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
2040 (scev_const_prop): Don't replace the definition of a loop closed ssa
2041 phi node by itself, or by another loop closed ssa phi node.
2042 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
2043 that base and step are defined.
2045 2005-09-09 Richard Guenther <rguenther@suse.de>
2048 * fold-const.c (fold_ternary): Check truth_value_p before
2049 calling invert_truthvalue.
2051 2005-09-09 Nick Clifton <nickc@redhat.com>
2053 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
2054 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
2055 dimension of these arrays.
2056 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
2058 * longlong.h: Only provide a prototype for the __clz_tab[] array
2059 if this header has not been included from libgcc2.h.
2060 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
2062 Provide prototypes for exported functions.
2063 Use the __clz_tab[] and __popcount_tab[] arrays provided by
2066 2005-09-08 Josh Conner <jconner@apple.com>
2070 * expr.c (expand_expr_addr_expr_1): Don't invoke
2071 expand_simple_binop for EXPAND_INITIALIZER.
2073 2005-09-08 Richard Henderson <rth@redhat.com>
2076 * toplev.c (wrapup_global_declaration_1): Split out ...
2077 (wrapup_global_declaration_2): ... from ...
2078 (wrapup_global_declarations): ... here. Return bool.
2079 (check_global_declaration_1): Split out ...
2080 (check_global_declarations): from here.
2081 (emit_debug_global_declarations): New.
2082 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
2083 check_global_declaration_1, emit_debug_global_declarations): Declare.
2084 * c-decl.c (c_write_global_declarations_1): Don't create a vector
2085 of decls. Call wrapup_global_declaration_1,
2086 wrapup_global_declaration_2, check_global_declaration_1 directly.
2087 (c_write_global_declarations_2): New.
2089 (c_write_global_declarations): Call c_write_global_declarations_2.
2090 * langhooks.c (write_global_declarations): Call
2091 emit_debug_global_declarations.
2093 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
2094 remove decls that have DECL_RTL_SET_P.
2095 * passes.c (rest_of_decl_compilation): Invoke
2096 cgraph_varpool_finalize_decl for all but functions.
2098 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
2100 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
2101 the result of a conversion if the new min and max cannot be compared.
2103 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
2105 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
2106 (override_options): Setting s390_sr_alias_set removed.
2107 (save_fpr, save_gprs): Set alias set to vararg or frame.
2108 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
2109 s390_sr_alias_set with get_frame_alias_set ().
2110 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
2111 get_varargs_alias_set ().
2113 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2117 * c-parser.c (c_parser_objc_method_definition): If the next
2118 token is not "{", error out and don't start the function.
2120 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
2122 * tree-vrp.c (extract_range_from_expr): Move the check for non
2123 nullness after the check for gimple invariant.
2125 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2127 * tree.c (host_integerp, tree_low_cst): Correct function comment.
2129 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2132 * config/m32r.md (movmemsi_internal): Canonicalize order of
2133 operands in PLUS component of template.
2135 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
2137 * reload1.c (fixup_eh_region_note): Remove assertion.
2138 (fixup_abnormal_edges): Reverted removal of call to
2139 find_many_sub_basic_blocks made on 2005-08-31.
2141 2005-09-07 Richard Henderson <rth@redhat.com>
2143 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
2144 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
2145 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
2146 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
2147 rearrange for better packing.
2148 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
2149 (lookup_cfa_1): Remove inline marker.
2150 (cfa_equal_p): Split out of ...
2151 (def_cfa_1): ... here. Use INVALID_REGNUM.
2152 (build_cfa_loc): Handle !cfa->indirect.
2153 (frame_pointer_cfa_offset): New.
2154 (dbx_reg_number): Assert register elimination performed; do
2155 leaf register remapping.
2156 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
2157 (eliminate_reg_to_offset): New.
2158 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
2159 for verifiably local stack frame addresses; re-base to CFA.
2160 (mem_loc_descriptor): Remove can_use_fbreg argument.
2161 (concat_loc_descriptor, loc_descriptor): Likewise.
2162 (containing_function_has_frame_base): Remove.
2163 (rtl_for_decl_location): Don't do register elimination or
2164 leaf register remapping here.
2165 (secname_for_decl): Split out from ..
2166 (add_location_or_const_value_attribute): ... here.
2167 (convert_cfa_to_loc_list): New.
2168 (compute_frame_pointer_to_cfa_displacement): New.
2169 (gen_subprogram_die): Use them.
2170 * tree.h (frame_base_decl): Remove.
2171 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
2172 (prologue_stack_adjust): Remove.
2173 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
2174 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
2175 (set_frame_base_location): Remove.
2176 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
2177 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
2178 (vt_add_function_parameters): Don't eliminate_regs.
2179 (vt_initialize): Don't create frame_base_decl.
2181 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
2183 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
2184 version of GNU binutils for 4.x and later.
2186 2005-09-06 Mark Mitchell <mark@codesourcery.com>
2188 * ggc-page.c (ggc_push_context): Remove.
2189 (ggc_pop_context): Likewise.
2190 * ggc.h (ggc_push_context): Remove.
2191 (ggc_pop_context): Likewise.
2193 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2196 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
2197 returning from an interrupt handler.
2199 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2202 * config/arc/arc.c (output_shift): Add check for loop count when
2205 2005-09-06 Steven Bosscher <stevenb@suse.de>
2207 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
2209 (abs_replacement): Likewise.
2210 (pass_phiopt): Remove TODO_update_ssa.
2212 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2215 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
2216 if "return with no value, in function returning non-void" warning
2218 * tree-cfg.c (execute_warn_function_return): Don't look at
2219 RETURN_EXPRs with TREE_NO_WARNING set.
2222 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
2223 for internal functions doesn't use registers used by global registers
2224 variables. Use fewer register parameters if there are global register
2227 2005-09-06 Olivier Hainque <hainque@adacore.com>
2228 Eric Botcazou <ebotcazou@adacore.com>
2231 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
2232 when we would be extracting outside its bit span (bitpos+bitsize
2233 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
2234 Ada unchecked conversions.
2236 2005-09-06 Steven Bosscher <stevenb@suse.de>
2238 * tree-ssa-pre.c (try_look_through_load): New function.
2239 (compute_avail): Use it to try to look through loads for some
2240 more useful expressions.
2242 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
2244 * simplify-rtx.c (simplify_binary_operation_1): Correct the
2245 condition for detecting cases like (a&a) and (a^a).
2247 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
2249 * common.opt: Add option ftree-vect-loop-version.
2250 * params.def: Add --param vect-max-version-checks.
2251 * doc/invoke.texi: Document ftree-vect-loop-version and
2252 --param vect-max-version-checks.
2253 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
2254 may_misalign_stmts and defines for accessors.
2255 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
2256 LOOP_VINFO_MAY_MISALIGN_STMTS.
2257 (destroy_loop_vec_info): VEC_free for
2258 LOOP_VINFO_MAY_MISALIGN_STMTS.
2259 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
2260 Update documentation.
2261 (vect_update_misalignment_for_peel): New.
2262 (vect_enhance_data_refs_alignment): Update to choose loop
2263 peeling or loop versioning if appropriate for the (potentially)
2264 unaligned data references in the loop.
2265 (vect_analyze_data_refs_alignment): Remove call to
2266 vect_enhance_data_refs_alignment so the checks can be done
2268 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
2269 and move up call to vect_analyze_data_refs_alignment.
2270 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
2271 (vect_transform_loop): Add call to loop_version.
2273 2005-09-06 Jakub Jelinek <jakub@redhat.com>
2275 PR rtl-optimization/23098
2276 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
2277 * simplify-rtx.c (constant_pool_reference_p): New function.
2278 * rtl.h (constant_pool_reference_p): New prototype.
2279 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
2280 constant_pool_reference_p in condition and
2281 avoid_constant_pool_reference in preparation statements.
2283 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
2285 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
2286 STRICT_LOW_PART SETs.
2288 2005-09-06 Alan Modra <amodra@bigpond.net.au>
2291 * except.c (sjlj_emit_function_enter): Find the function begin
2292 note even when it's not in first basic block.
2294 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
2296 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
2297 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
2298 * aclocal.m4: Regenerate.
2300 2005-09-05 DJ Delorie <dj@redhat.com>
2302 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
2305 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
2307 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
2308 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
2309 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
2310 Follow spelling conventions.
2311 * doc/invoke.texi: Follow spelling conventions.
2313 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2315 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
2316 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
2317 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
2319 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
2322 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
2323 (output_stack_adjust): Use gen_tmp_stack_mem.
2324 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
2325 (sh_set_return_address, sh_allocate_initial_value): Likewise.
2326 (sh_get_pr_initial_val): Likewise.
2327 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
2328 (sh_initialize_trampoline): Likewise. Also use adjust_address.
2329 * sh.md (divsi_inv_m0): Use gen_const_mem.
2330 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
2331 (movdf_i4+1): Use gen_tmp_stack_mem.
2332 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
2333 (fpu_switch+2): Likewise.
2334 (movv4sf_i, movv16sf_i): Use adjust_address.
2335 (symGOT_load): Set MEM_NOTRAP_P bit.
2337 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2340 * pa.c (emit_move_sequence): Fix typo in last change.
2342 2005-09-03 Jakub Jelinek <jakub@redhat.com>
2344 PR rtl-optimization/23454
2345 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
2348 2005-09-03 Richard Henderson <rth@redhat.com>
2349 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2352 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
2355 2005-09-02 Nicolas Pitre <nico@cam.org>
2357 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
2358 to bit_count to 32 bits.
2360 2005-08-31 Mark Mitchell <mark@codesourcery.com>
2363 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
2364 generating synthetic loads from volatile lvalues.
2366 005-09-02 Nick Clifton <nickc@redhat.com>
2368 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
2369 __ctzhi2, __clzhi2): New functions.
2371 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
2374 * tree-nested.c (struct var_map_elt): Mark with GTY.
2375 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
2377 (lookup_field_for_decl): Allocate new element in GC memory.
2378 (lookup_tramp_for_decl): Likewise.
2379 (convert_nl_goto_reference): Likewise
2380 (create_nesting_tree): Allocate info in GC memory. Likewise for
2382 (free_nesting_tree): Free with ggc_free instead of free.
2383 (root): New static variable.
2384 (lower_nested_functions): Remove root as local variable. And zero out
2385 root at the end of the function.
2387 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
2389 PR rtl-optimization/20365
2390 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
2391 to short. New member ix.
2392 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
2393 (simplify_plus_minus): Initialize ix members before calling qsort.
2395 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
2397 PR tree-optimization/23626
2398 * tree-cfg.c (replace_uses_by): Clean up eh info.
2400 2005-09-01 DJ Delorie <dj@redhat.com>
2402 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
2405 2005-09-01 David Edelsohn <edelsohn@gnu.org>
2407 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
2408 (rs6000_split_multireg_move): Use replace_equiv_address instead of
2411 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
2413 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
2414 do not issue warning for a variable definition following
2417 2005-09-01 Richard Henderson <rth@redhat.com>
2420 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
2421 conversion to CONST_VECTOR.
2423 2005-09-01 Richard Henderson <rth@redhat.com>
2426 * reload1.c (reload_as_needed): Check !CALL_P before calling
2427 fixup_eh_region_note.
2428 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
2430 2005-09-01 DJ Delorie <dj@redhat.com>
2432 * varasm.c (output_constant): Let the target resolve
2433 conversions of addresses to non-default pointer sizes.
2435 2005-09-01 Nicolas Pitre <nico@cam.org>
2437 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
2438 to alow matching ARM pre-indexed addressing mode.
2439 (arm_override_options): Remove now irrelevant comment.
2441 2005-09-01 Phil Edwards <phil@codesourcery.com>
2443 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
2444 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
2445 * config/i386/vxworks.h: Likewise.
2446 * config/i386/t-vxworksae: New file, for VxWorks AE.
2447 * config/i386/vxworksae.h: Likewise.
2449 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
2451 PR tree-optimization/23410
2452 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
2453 sequence is not wrapping during the first step.
2455 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2458 * dwarf2out.c (base_type_die): Compare char_type_node with
2459 TYPE_MAIN_VARIANT (type), not type.
2461 2005-09-01 Richard Guenther <rguenther@suse.de>
2463 PR tree-optimization/15366
2464 * common.opt: Add -finline-functions-called-once.
2465 Put -fearly-inlining in alphabetically ordered place.
2466 * doc/invoke.texi: Document new option.
2467 * ipa-inline.c (cgraph_decide_inlining): Honour
2468 flag_inline_functions_called_once.
2470 2005-09-01 Jakub Jelinek <jakub@redhat.com>
2472 PR rtl-optimization/23478
2473 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
2474 (alloc_qty): Initialize it.
2475 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
2476 (combine_regs): Combine also n_throwing_calls_crossed fields.
2477 (find_free_reg): Don't attempt to caller-save pseudos crossing
2478 calls that might throw.
2479 * global.c (struct allocno): Add throwing_calls_crossed field.
2480 (global_alloc): Revert 2005-08-22 change. Initialize
2481 throwing_calls_crossed.
2482 (find_reg): Don't attempt to caller-save pseudos crossing calls that
2485 2005-09-01 Alan Modra <amodra@bigpond.net.au>
2488 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
2489 (mask64_operand): Reinstate code prior to 2005-06-11 change.
2490 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
2491 (and64_2_operand): Tweak to use predicate.
2492 (and_operand): Adjust for mask_operand changes.
2493 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
2494 (print_operand): Likewise.
2495 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
2496 (mask64_1or2_operand): Delete.
2497 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
2498 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
2499 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
2500 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
2501 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
2502 (rotldi3_internal4): Likewise.
2503 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
2504 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
2505 (ashldi3_internal7): Likewise.
2506 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
2507 (ashldi3_internal, ashldi3_internal9 split): Likewise.
2508 (anddi3 split): Don't match mask64_operand.
2509 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
2510 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
2511 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
2512 't' splitter predicate.
2513 (movdi_internal64 + 2): Revert 2005-06-11 change.
2515 2005-08-31 DJ Delorie <dj@redhat.com>
2517 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
2518 (m32c_asm_integer): Add support for 32 bit pointers.
2520 2005-08-31 Richard Henderson <rth@redhat.com>
2522 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
2523 component-like references for setting MEM_NOTRAP_P.
2525 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
2526 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
2528 2005-08-31 Richard Henderson <rth@redhat.com>
2530 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
2531 into a pseudo before applying gen_lowpart.
2533 2005-08-31 Geoffrey Keating <geoffk@apple.com>
2535 * doc/install.texi (Specific): Update cctools version required
2536 for full functionality.
2537 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
2538 linkers as -macosx_version_min.
2540 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
2543 * sh.c (print_operand, %R and %S): Add handling of floating point
2544 registers, memory, constants and invalid operands.
2546 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
2548 * ipa-pure-const.c: Change dump name.
2550 2005-08-31 Uros Bizjak <uros@kss-loka.si>
2553 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
2554 to "reg_or_0_operand".
2555 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
2557 2005-08-31 Dale Johannesen <dalej@apple.com>
2559 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
2560 loops that count down.
2562 2005-08-31 Richard Henderson <rth@redhat.com>
2565 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
2566 (fixup_eh_region_note): New.
2567 (reload_as_needed): Call it.
2568 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
2569 don't call find_many_sub_basic_blocks; call verify_flow_info.
2570 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
2571 (keep_stack_depressed): Likewise.
2572 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
2574 2005-08-31 Richard Henderson <rth@redhat.com>
2576 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
2579 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
2581 * expr.c (expand_expr_real_1): Compare size of address
2582 mode to target's address mode size in deciding expansion of
2583 the constant address.
2585 2005-08-31 Richard Guenther <rguenther@suse.de>
2588 * expr.c (all_zeros_p): New function.
2589 (expand_expr_real_1): Handle the case of an all-zero
2590 non-addressable constructor separately.
2592 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
2594 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
2595 arguments, adjust all callers.
2596 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
2598 2005-08-30 Richard Henderson <rth@redhat.com>
2601 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
2602 whenever the mode sizes match.
2604 2005-08-31 Alan Modra <amodra@bigpond.net.au>
2606 * calls.c (load_register_parameters): Fix comment typo.
2607 * expr.c (emit_push_insn): Comment formatting.
2609 2005-08-30 Ian Lance Taylor <ian@airs.com>
2611 * config/i386/x-cygwin (host-cygwin): Change dependency from
2612 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
2614 2005-08-29 Geoffrey Keating <geoffk@apple.com>
2616 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
2619 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2622 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
2623 call to ggc_collect.
2625 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
2628 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
2629 beginning. Remove $(INCLUDES) from all the rules, if following
2630 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
2632 2005-08-29 Jakub Jelinek <jakub@redhat.com>
2635 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
2636 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
2637 not constant, but maxlen is, don't set len to maxlen, rather
2638 set maxlen to len if len is a constant.
2640 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
2642 PR tree-optimization/23475
2643 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
2646 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
2648 Fix PR middle-end/22455
2650 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
2651 Checksum only the parts of the tree that exist for the tree code.
2653 2005-08-28 Dale Johannesen <dalej@apple.com>
2655 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
2657 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
2659 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
2661 2005-08-28 Richard Henderson <rth@redhat.com>
2663 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
2664 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
2667 2005-08-28 Jakub Jelinek <jakub@redhat.com>
2670 * builtins.c (get_memory_rtx): Don't strip nops
2671 in between COMPONENT_REFs.
2673 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
2676 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
2678 (gimplify_modify_expr): Check for zero sized types and gimplify the
2679 rhs and lhs as statements.
2681 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
2684 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
2685 state for return address column of signal frames.
2687 2005-08-27 David Edelsohn <edelsohn@gnu.org>
2690 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
2691 bytes >= 2 not bytes == 2.
2692 (expand_block_move): Same.
2694 2005-08-27 Richard Guenther <rguenther@suse.de>
2697 * config/i386/sse.md (sse2_movsd): Add missing closing
2700 2005-08-27 Paul Brook <paul@codesourcery.com>
2702 * genrecog.c (enum decision_type): Add DT_num_insns.
2703 (struct decision_test): Add u.num_insns.
2704 (add_to_sequence): Add DT_num_insns test.
2705 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
2706 (write_cond, debug_decision_2): Ditto.
2707 (change_state): Assume peep2_next_insn never fails.
2708 Remove "afterward" argument.
2709 (write afterward, write_tree): Update to match.
2710 * recog.c (peep2_current_count): New variable.
2711 (peep2_next_insn): Check it.
2712 (peephole2_optimize): Set peep2_current_count.
2713 * recog.h (peep2_current_count): Declare.
2715 2005-08-26 Josh Conner <jconner@apple.com>
2718 * ipa-pure-const.c (check_tree): Check for volatile-ness
2719 when considering a dereference.
2721 2005-08-27 Jakub Jelinek <jakub@redhat.com>
2723 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
2725 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2727 PR rtl-optimization/23561
2728 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
2729 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
2730 at most LEN bytes long memory fits into the field.
2731 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
2732 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
2733 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
2735 2005-08-26 Richard Henderson <rth@redhat.com>
2738 * loop.c (biased_biv_may_wrap_p): New.
2739 (maybe_eliminate_biv_1): Use it to suppress non-equality
2740 comparison transformations. Delete disabled code.
2742 2005-08-26 Ian Lance Taylor <ian@airs.com>
2744 * combine.c (make_extraction): Avoid reference outside object.
2746 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
2748 * stor-layout.c (finalize_type_size): Restore behaviour for
2749 non-aggregate types to the status quo ante of the patch for
2750 pr 23467. Document why it matters.
2752 2005-08-26 Jakub Jelinek <jakub@redhat.com>
2755 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
2756 array by one element, initialize the BT_LAST element with NULL.
2758 2005-08-26 David Edelsohn <edelsohn@gnu.org>
2760 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
2761 optimizing for size.
2763 (compare_plus_eqsi): Same.
2764 (plus_eqsi_compare): Same.
2765 (neg_eq0<mode>): Same.
2766 (neg_eq<mode>): Same.
2768 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
2771 2005-08-26 Nick Clifton <nickc@redhat.com>
2773 * config/v850/v850.c (ep_memory_operand): Return FALSE if
2774 TARGET_EP is not defined.
2775 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
2776 TARGET_EP is enabled.
2777 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
2778 * config/v850/v850.md (save_all_interrupt): Only use the EP
2779 register if TARGET_EP is defined.
2780 (restore_all_interrupt): Likewise.
2781 * config/v850/lib1funcs.asm: Update functions so that the EP
2782 register is only used if __EP__ is defined.
2784 2005-08-26 David Ung <davidu@mips.com>
2786 * config/mips/mips.c (mips_expand_prologue): Handle case when
2787 generating for MIPS16 and the outgoing argument area is more than
2788 SMALL_OPERAND. Use the frame pointer as temporary to generate the
2791 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
2793 * config/crx/crx.md: Make doloop_end pattern usage controllable
2794 via mloop-nesting=<max-nesting> command line switch. Make sure
2795 the combiner cannot use doloop_end_<mode> in an illegal way.
2796 * config/crx/crx.c: Use regs up to r6 for argument passing.
2797 Refine crx_address_cost (non cst4 displacements are expensive).
2798 * config/crx/crx.opt: Add switch for mloop-nesting=.
2800 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
2802 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
2803 (UNSPEC_MVST): New constant.
2805 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
2807 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
2808 Reject operands containing eliminable registers.
2809 * testsuite/gcc.dg/20050825-1.c: New testcase.
2811 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2812 Jan Hubicka <jh@suse.cz>
2814 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
2816 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2818 PR tree-optimization/23546
2819 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
2822 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
2824 * params.def (PARAM_MIN_SPEC_PROB): New.
2825 * sched-rgn.c (MIN_PROBABILITY): Delete.
2826 (compute_trg_info): Convert to PARAM_VALUE.
2827 * doc/invoke.texi (param): Document min-spec-prob.
2829 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
2831 * config/darwin.h: define __PIC__
2832 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
2833 TARGET_OS_CPP_BUILTINS macro.
2835 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2837 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
2840 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2842 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
2844 * cfghooks.c (duplicate_block): Added position where to place
2845 new block as argument.
2846 * cfghooks.h (duplicate_block): Declaration changed.
2847 * cfglayout.c (copy_bbs): Add argument after. Pass it to
2849 * cfglayout.h (copy_bbs): Declaration changed.
2850 * cfgloop.h (loop_version): Declaration changed.
2851 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
2852 position to copy_bbs.
2853 (loop_version): Pass position to duplicate_loop_to_header_edge.
2854 Add place_after argument and position new blocks according to
2856 * modulo-sched.c (sms_schedule): Pass place_after argument
2858 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
2859 * tree-cfg.c (split_edge_bb_loc): New function.
2860 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
2861 to determine position of new blocks.
2862 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
2864 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
2865 argument to duplicate_block.
2866 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
2867 Pass position to copy_bbs.
2869 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
2871 * fold-const.c (ptr_difference_const): Use
2872 cst_and_fits_in_hwi instead of host_integerp.
2874 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
2876 * config/darwin.c (gen_pic_offset): New.
2877 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
2880 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
2882 PR tree-optimization/23486
2883 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
2885 2005-08-23 Phil Edwards <phil@codesourcery.com>
2887 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
2888 remove use_collect2.
2889 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
2891 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
2892 configuration files to override the default value.
2894 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
2895 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
2896 * config/vx-common.h: New file, split out from...
2897 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
2898 * config/vxworksae.h: New file, for VxWorks AE.
2899 * config/vxworks.opt: New file.
2900 * config/vxlib.c: Update for VxWorks 6.
2902 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
2903 other MULTILIB_* variables appropriately.
2904 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
2905 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
2906 * config/rs6000/vxworks.h: Update for VxWorks 6.
2907 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
2909 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
2912 * config/darwin.c (machopic_select_section): Remove the hack to
2913 mark "::operator new" and "::operator delete" for coalescing
2914 even though they are not weak.
2916 2005-08-24 Alan Modra <amodra@bigpond.net.au>
2918 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
2919 * configure: Regenerate.
2921 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2924 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
2926 * convert.c (convert_to_integer, convert_to_vector): Likewise.
2927 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
2930 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
2932 * config/rs6000/predicates.md (equality_operator): New.
2933 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
2934 comparison with a large constant.
2936 2005-08-23 Mark Mitchell <mark@codesourcery.com>
2938 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
2940 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
2942 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
2943 registers is even, and we have a hardware double precision fp,
2945 (sh_gimplify_va_arg_expr): For floating point arguments, consider
2946 size of current argument when checking if argument was passed in
2949 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
2952 * stor-layout.c (finalize_type_size): Dont override
2953 existing alignment with a smaller alignment from the mode.
2955 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2957 * lambda-code.c (lambda_vector_lexico_pos): Moved...
2958 * lambda.h (lambda_vector_lexico_pos): ... here.
2959 * tree-data-ref.c (build_classic_dist_vector): Return false when
2960 the distance vector is lexicographically negative.
2962 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
2964 PR tree-optimization/23511
2965 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
2966 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
2968 2005-08-23 Jakub Jelinek <jakub@redhat.com>
2970 PR tree-optimization/22043
2971 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
2972 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
2973 If ALLOW_FLEXARR, handle types ending with flexible array member.
2974 Pass false as second argument to recursive count_type_elements calls.
2975 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
2976 argument to count_type_elements call.
2977 * tree-sra.c (decide_block_copy): Likewise.
2978 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
2979 for a constant-sized object, set cleared as well. Pass true as
2980 second argument to count_type_elements call.
2982 2005-08-23 Alan Modra <amodra@bigpond.net.au>
2985 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
2986 from legitimate_small_data_p, and make global. Update use.
2987 Remove forward declaration.
2988 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
2990 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
2992 2005-08-23 David Edelsohn <edelsohn@gnu.org>
2994 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
2995 of scratch intermediates.
2996 (eq<mode>_compare): Same.
2997 (neg_eq0<mode>): New.
2998 (neg_eq<mode>): Convert to define_insn_and_split.
3000 2005-08-23 Alan Modra <amodra@bigpond.net.au>
3003 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
3004 stdarg functions, set/clear the fp marker even when no variable
3006 * config/rs6000/sysv4.opt (mprototype): Describe.
3008 2005-08-22 Jakub Jelinek <jakub@redhat.com>
3010 PR rtl-optimization/23478
3011 * regs.h (reg_info): Add throw_calls_crossed.
3012 (REG_N_THROWING_CALLS_CROSSED): Define.
3013 * flow.c (allocate_reg_life_data): Initialize
3014 REG_N_THROWING_CALLS_CROSSED.
3015 (propagate_one_insn, attempt_auto_inc): Update
3016 REG_N_THROWING_CALLS_CROSSED.
3017 * global.c (global_alloc): Don't allocate pseudos across
3018 calls that may throw.
3020 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
3023 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
3024 value is inbetween the range if we did not find an exact match.
3026 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
3028 * doc/invoke.texi (Option Summary): Add ms1 options.
3029 * doc/extend.texi: Document interrupt handler attribute for ms1.
3030 * doc/md.texi: Document ms1 constraints.
3031 * config.gcc: Add ms1-*-elf.
3032 * config/ms1/ms1.h: New.
3033 * config/ms1/ms1.c: New.
3034 * config/ms1/ms1.md: New.
3035 * config/ms1/ms1-protos.h: New.
3036 * config/ms1/ABI.txt: New.
3037 * config/ms1/crti.asm: New.
3038 * config/ms1/crtn.asm: New.
3039 * config/ms1/lib2extra-funcs.c: New.
3040 * config/ms1/t-ms1: New.
3041 * config/ms1/ms1.opt: New.
3043 2005-08-22 Ira Rosen <irar@il.ibm.com>
3045 * config/rs6000/altivec.md (xorv4sf3): New.
3046 (negv4sf2, neg<mode>2): Likewise.
3048 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
3051 * config/ia64/ia64.md (divsi3): Check divide by zero.
3052 (udivsi3): Likewise.
3054 (udivdi3): Likewise.
3056 2005-08-21 Jakub Jelinek <jakub@redhat.com>
3058 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
3059 up to elem_bitsize bits, not max_bitsize.
3061 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3063 PR tree-optimization/23433
3064 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
3065 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
3067 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
3069 PR tree-optimization/23434
3070 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
3071 the iteration bound is not an INTEGER_CST.
3073 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
3075 * tree-vect-transform.c (get_initial_def_for_reduction): Set
3076 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
3077 NULL if need_epilog_adjust is false.
3078 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
3079 Case 3 always peels first itration, not just for PLUS case, and no need
3080 to use scalar_initial_def here. Create an epilog adjustment only if
3081 scalar_initial_def is not NULL.
3083 (vectorizable_reduction): Remove assert.
3085 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
3088 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
3089 (__moddi3): Likewise.
3090 (__udivdi3): Likewise.
3091 (__umoddi3): Likewise.
3092 (__divsi3): Likewise.
3093 (__modsi3): Likewise.
3094 (__udivsi3): Likewise.
3095 (__umodsi3): Likewise.
3097 2005-08-20 Jakub Jelinek <jakub@redhat.com>
3099 * tree-pass.h (TDF_GRAPH): Define.
3100 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
3101 * passes.c (finish_optimization_passes): Only call
3102 finish_graph_dump_file if TDF_GRAPH is set.
3103 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
3104 NULL. Set TDF_GRAPH bit.
3105 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
3107 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
3109 * arm.h (arm_stack_offsets): Add locals_base field.
3110 * arm.c (arm_get_frame_offsets): Compute it.
3111 (thumb_compute_initial_elimination offset): Make the Thumb frame
3112 pointer point to the base of the local variables.
3113 (thumb_expand_prologue): Update accordingly.
3114 (thumb_expand_epilogue): Likewise.
3116 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
3117 mode of clobbered scratch to DImode. Handle a case that's known to
3120 2005-08-19 David Edelsohn <edelsohn@gnu.org>
3122 * config/rs6000/rs6000.md (gt0<mode>): Delete.
3123 (gt0<mode>_compare): Delete.
3124 (neg_gt0<mode>): Delete.
3126 2005-08-19 Eric Christopher <echristo@apple.com>
3128 * optabs.h: Change CTI_ to COI_.
3131 2005-08-19 James E Wilson <wilson@specifix.com>
3133 * builtins.c (expand_builtin_return_addr): Set
3134 current_function_accesses_prior_frames when count != 0. Use
3135 frame_pointer_rtx when count == 0.
3136 * function.h (struct function): Add accesses_prior_frames field.
3137 (current_function_accesses_prior_frames): Define.
3138 * reload1.c (init_elim_table): Check
3139 current_function_accesses_prior_frames.
3140 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
3142 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3144 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
3145 indicator. Return true if the flowgraph changed during
3148 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3151 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
3152 conditional expression before testing its value.
3154 2005-08-19 Diego Novillo <dnovillo@redhat.com>
3156 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
3158 2005-08-19 Devang Patel <dpatel@apple.com>
3160 PR tree-optimization/23048
3161 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
3162 third parameter. Check whether latch is dominated by exit
3164 (if_convertible_loop_p): Supply exit block itself to
3165 if_convertible_bb_p.
3167 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3170 * arm.md (arm_load_pic_register): Change argument to the mask of
3171 saved registers. Call thumb_find_work_register if we need a
3172 scratch register on Thumb.
3173 (arm_expand_prologue): Pass empty register set to
3174 arm_load_pic_register.
3175 (thumb_expand_prologue): Pass live_regs_mask directly to
3176 arm_load_pic_register.
3177 * arm-protos.h (arm_load_pic_register): Update prototype.
3179 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
3181 * sh.c (find_sole_member): New function.
3182 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
3183 if the record's alignment is larger than the size of its only member.
3185 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
3188 * arm.c (thumb_legitimize_reload_address): New function.
3189 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
3190 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
3192 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
3194 * config/crx/crx.c: Implement crx_decompose_address. Reject
3195 symbolic displacements since CRX register relative adressing
3196 mode can't handle unsigned 32-bit values as displacements.
3197 * config/crx/crx.h: Simplify definitions, remove redundant
3198 parenthesis and obsolete macros.
3199 * config/crx/crx.opt: Add new switch for debugging addresses.
3200 * config/crx/crx-protos.h: Add new declarations for above.
3202 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
3205 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
3208 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3210 * collect2.c (dup2): Delete.
3211 * configure.ac: Don't check for dup2.
3213 * config.in, configure: Regenerate.
3215 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
3217 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
3218 record with the type of its only member.
3220 2005-08-18 David Edelsohn <edelsohn@gnu.org>
3222 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
3223 define_insn_and_split.
3224 (plus_ltu<mode>_compare): Same.
3225 (gtu<mode>_compare): Same.
3226 (plus_gtu<mode>_compare): Same.
3228 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
3230 PR tree-optimization/22228
3231 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
3233 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
3234 are recorded in vect_vnames_to_rename for renaming.
3235 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
3236 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
3237 in vect_vnames_to_rename.
3238 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
3239 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
3241 2005-08-18 Jan Hubicka <jh@suse.cz>
3244 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
3245 info only for local statics, not for member variables.
3247 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3249 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
3251 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3253 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
3255 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
3258 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
3260 2005-08-17 James E Wilson <wilson@specifix.com>
3262 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3265 2005-08-17 David Edelsohn <edelsohn@gnu.org>
3267 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
3268 (leu<mode>_compare): Same.
3269 (plus_leu<mode>): Same.
3270 (neg_leu<mode>): Same.
3271 (and_neg_leu<mode): Same.
3272 (ltu<mode>_compare): Same.
3273 (plus_ltu<mode>): Same.
3275 (geu<mode>_compare): Same.
3276 (plus_geu<mode>): Same.
3277 (neg_geu<mode>): Same.
3278 (and_neg_geu<mode>): Same.
3279 (plus_gt<mode>): Same.
3280 (gtu<mode>_compare): Same.
3281 (plus_gtu<mode>): Same.
3283 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
3285 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
3286 Move call_table_data to end. Delete spurious .text.
3287 (callt_save_all_interrupt): Fix comment typo.
3289 2005-08-17 James E Wilson <wilson@specifix.com>
3290 Kevin Winchester <winchester@amirix.com>
3293 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
3295 2005-08-17 Uros Bizjak <uros@kss-loka.si>
3298 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
3299 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
3301 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
3303 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
3304 record with the type of its only member if the modes don't match.
3306 * varasm.c (decode_reg_name): Skip empty additional register names.
3308 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3310 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
3311 lsm_tmp_name_length): New.
3312 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
3313 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
3315 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
3316 Andreas Krebbel <krebbel1@de.ibm.com>
3318 * config.gcc: Added z9-109 switch.
3319 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
3320 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
3321 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
3322 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
3323 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
3324 for "z9_109" cpu attribute.
3325 * config/s390/s390.c (z9_109_cost): New processor cost structure.
3326 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
3327 (s390_handle_arch_option): Added z9-109 switch.
3328 (override_options): Set respective cost function for z9-109.
3329 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
3330 (legitimate_reload_constant_p): Accept extended immediates.
3331 (print_operand): Three new output modifiers added: k, m and o.
3332 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
3333 (s390_output_mi_thunk): Use extended immediate when possible.
3334 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
3335 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
3336 (CONSTRAINT_LEN): Added length of O constraint.
3337 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
3338 * config/s390/s390.md ("cpu"): New value z9_109 added.
3339 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
3340 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
3341 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
3342 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
3343 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
3344 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
3345 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
3346 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
3347 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
3348 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
3349 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
3350 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
3351 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
3352 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
3353 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
3355 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
3356 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
3357 insns for TARGET_EXTIMM.
3359 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
3361 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
3363 2005-08-17 Nick Clifton <nickc@redhat.com>
3365 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
3366 Call default_encode_section_info.
3368 2005-08-17 Steven Bosscher <stevenb@suse.de>
3370 PR tree-optimization/21574
3371 * tree-ssa-ccp.c (likely_value): If the right hand side is a
3372 constant, return CONSTANT.
3373 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
3374 (ccp_fold, visit_assignment): Likewise.
3375 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
3377 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3379 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
3380 fold_buildN instead of buildN then fold_initializer or fold.
3381 (build_unary_op): Likewise.
3382 (build_binary_op): Likewise.
3383 * fold-const.c (fold_initializer): Remove.
3384 (fold_build1_initializer): New function.
3385 (fold_build2_initializer): New function.
3386 (fold_build3_initializer): New function.
3387 * tree.h (fold_initializer): Remove.
3388 (fold_build1_initializer): New function.
3389 (fold_build2_initializer): New function.
3390 (fold_build3_initializer): New function.
3392 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
3394 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
3395 (try_move_mult_to_index): Call fold_build2 instead of build2.
3396 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
3397 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
3398 fold_binary_to_constant.
3399 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
3401 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
3402 check if A == gcd (A, B). Remove TYPE argument.
3403 (analyze_offset) Use fold_build2 instead of fold (build.
3404 (create_data_ref): Likewise.
3405 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
3406 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
3409 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
3411 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
3412 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
3414 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
3417 * gimplify.c (zero_sized_type): New function.
3418 (gimplify_modify_expr_rhs): If we have a zero sized type,
3419 replace the statement with an empty statement.
3421 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
3423 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
3426 2005-08-16 Ian Lance Taylor <ian@airs.com>
3428 * doc/tm.texi (Label Output): Correct typo.
3430 2005-08-16 Steven Bosscher <stevenb@suse.de>
3433 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
3434 force_operand will work later on using have_insn_for.
3436 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3438 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
3440 2005-08-16 Ian Lance Taylor <ian@airs.com>
3443 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
3444 vector type, don't try to construct it element by element. Add an
3445 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
3447 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3449 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
3451 2005-08-16 Geoffrey Keating <geoffk@apple.com>
3453 * doc/invoke.texi (Precompiled Headers): Document some more options
3454 which are known to be safe.
3456 2005-08-16 James E Wilson <wilson@specifix.com>
3458 PR tree-optimization/21105
3459 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
3460 TREE_OVERFLOW check.
3462 2005-08-16 David Edelsohn <edelsohn@gnu.org>
3464 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
3465 (neg_ltu<mode>): Same.
3467 (neg_gtu<mode>): Same.
3469 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3471 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
3472 (fold_builtin_isdigit): Use fold_buildN.
3473 (build_function_call_expr): Likewise.
3474 * c-typeck.c (c_finish_loop): Likewise.
3476 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
3477 Richard Shann <rshann@superh.com>
3479 PR middle-end/20396:
3480 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
3482 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
3484 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
3486 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
3489 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
3490 arm_compure_save_reg0_reg12_mask to determine when the PIC register
3493 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3496 * fold-const.c (build_range_check): Disable optimization for function
3497 pointer expressions on targets that require function pointer
3500 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
3502 * simplify-rtx.c (simplify_const_relational_operation): When
3503 extracting arguments of a COMPARE, recompute the mode as well.
3505 2005-08-15 Ian Lance Taylor <ian@airs.com>
3507 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
3509 2005-08-15 DJ Delorie <dj@redhat.com>
3511 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
3513 (movsi_splittable): Allow, but split, moves to the stack.
3514 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
3517 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3519 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
3520 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
3521 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
3523 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
3524 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
3525 Delete HOST_PTR_PRINTF.
3527 * configure, config.in: Regenerate.
3529 2005-08-15 David Edelsohn <edelsohn@gnu.org>
3531 * config/rs6000/rs6000.md (QHSI): New mode macro.
3532 (wd): Extend mode attr for QImode and HImode
3533 (dbits): New mode attr.
3534 (zero_extend<mode>di2): Convert to mode macro.
3536 2005-08-15 Steve Ellcey <sje@cup.hp.com>
3539 * doc/invoke.texi (-mgnu-ld): Update description.
3542 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3545 * Makefile.in (tree-chrec.o): Depends on real.h.
3546 * tree-chrec.c: Include real.h.
3547 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
3548 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
3549 * tree-scalar-evolution.c (add_to_evolution_1,
3550 interpret_rhs_modify_expr): Ditto.
3552 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
3555 * tree-data-ref.c (estimate_niter_from_size_of_data): When
3556 step is negative compute the estimation from init downwards to zero.
3558 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
3560 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
3562 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3564 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
3566 (legitimate_reload_constant_p): Fix handling of lliXX operands.
3567 Accept double-word constants that can be split.
3568 * config/s390/s390.md ("movti"): Use 'P' constraint.
3569 ("*movdi_31", "*movdf_31"): Likewise.
3571 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
3573 Fix PR tree-optimization/22615
3575 * tree-ssa-structalias.c (solution_set_add): Handle
3576 first_vi_for_offset returning NULL.
3577 (do_da_constraint): Ditto.
3578 (do_sd_constraint): Ditto.
3579 (do_ds_constraint): Ditto
3580 (find_func_aliases): Ditto.
3581 (build_constraint_graph): RHS is allowed be ANYTHING.
3582 (first_vi_for_offset): Return NULL if we couldn't find anything at
3585 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
3587 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
3588 over memory as first operand.
3590 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
3593 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
3594 available for setting it.
3596 2005-08-14 Ira Rosen <irar@il.ibm.com>
3598 PR tree-optimization/23320
3599 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
3600 data-refs' types instead of base object nullness. Add check for
3601 pointer type data-refs before first location comparison. Remove
3604 2005-08-14 Andreas Schwab <schwab@suse.de>
3606 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
3608 2005-08-13 James E Wilson <wilson@specifix.com>
3610 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
3611 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
3612 -fstack-protector-all, --param ssp-buffer-size): Document.
3613 (-Wvariadic-macros): Alphabetize.
3614 (-fsched-stalled-insns-dep): Add missing 'f'.
3616 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
3619 2005-08-13 David Edelsohn <edelsohn@gnu.org>
3621 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
3622 or indirect address operand.
3623 (EXTRA_ADDRESS_CONSTRAINT): New.
3624 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
3626 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
3628 PR tree-optimization/22236
3629 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
3630 successors and predecessors.
3631 * tree-chrec.c (chrec_convert): Before converting, check that
3632 sequences don't wrap.
3633 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
3634 (analyze_array): Extern.
3635 (find_data_references_in_loop): Remove call to
3636 compute_estimated_nb_iterations.
3637 * tree-data-ref.h (analyze_array): Declared.
3638 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
3639 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
3640 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
3641 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
3643 * tree-ssa-loop-ivcanon.c: Fix documentation.
3644 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
3645 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
3646 (infer_loop_bounds_from_undefined): New.
3647 (estimate_numbers_of_iterations_loop): Use
3648 infer_loop_bounds_from_undefined.
3649 (used_in_pointer_arithmetic_p): New.
3650 (scev_probably_wraps_p): Pass an extra parameter. Call
3651 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
3652 (convert_step): Fix documentation.
3653 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
3654 Use initial_condition_in_loop_num and evolution_part_in_loop_num
3655 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
3656 scev_probably_wraps_p.
3658 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
3660 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
3661 (s390_register_info): Ignore clobbered_regs information for fixed
3662 registers, and only fixed registers.
3663 (s390_init_frame_layout): Remove redundant call.
3665 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
3667 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
3668 description of -Wold-style-casts.
3670 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3671 Jakub Jelinek <jakub@redhat.com>
3673 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
3674 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
3675 * config/s390/s390.c (print_operand): New output modifier 'G' added.
3676 (get_thread_pointer): Renamed to s390_get_thread_pointer.
3677 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
3678 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
3679 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
3680 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
3681 ("stack_protect_set", "stack_protect_test"): New expanders.
3682 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
3683 "stack_protect_testdi"): New insn definitions.
3685 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3687 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
3689 2005-08-12 Paul Brook <paul@codesourcery.com>
3691 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
3693 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3695 * config/s390/predicates.md (setmem_operand): New predicate.
3696 (shift_count_operand): Accept ANDs with special constants as
3698 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
3699 with special constants.
3700 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
3701 shift_count_operand with setmem_operand.
3703 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3705 * config/s390/s390.c (s390_extract_part, s390_single_part):
3707 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
3708 (s390_output_mi_thunk): Don't use lg on 31 bit.
3709 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
3710 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
3712 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3714 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
3715 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
3716 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
3717 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
3718 with one of the new macros.
3720 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
3722 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
3723 Don't set save_return_addr_p.
3724 (s390_register_info): Make clobbered_regs not depending on
3727 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
3729 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
3730 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
3732 2005-08-11 James E. Wilson <wilson@specifix.com>
3734 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
3736 2005-08-11 Jakub Jelinek <jakub@redhat.com>
3738 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
3739 locations gathered by var-tracking in single entry loc_list
3740 over loc_descriptor_from_tree.
3742 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
3743 pass it down to loc_descriptor.
3744 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
3745 (containing_function_has_frame_base): Move earlier in the file.
3746 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
3747 instead of always assuming fbreg can't be used.
3749 2005-08-11 David Edelsohn <edelsohn@gnu.org>
3751 * config/rs6000/altivec.md: Change constraint "m" to "Z".
3752 * config/rs6000/predicates.md (indexed_or_indirect_operand):
3753 Accept address wrapped in AND for Altivec.
3754 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
3755 Strip AND wrapping offset address for Altivec.
3757 2005-08-11 Richard Henderson <rth@redhat.com>
3760 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
3761 before using TYPE_IS_SIZETYPE.
3763 2005-08-11 Richard Henderson <rth@redhat.com>
3766 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
3767 insn types not present on ev4.
3768 (alphaev5_insn_pipe): Similarly.
3770 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
3773 * arm.c (arm_override_options): If the user has selected callee-super-
3774 interworking, then enable normal interworking.
3776 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3778 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
3781 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
3783 * doc/rtl.texi: Fix two typos.
3785 2005-08-11 Richard Guenther <rguenther@suse.de>
3788 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
3789 cases where we call to/from functions returning void.
3791 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
3794 * tree.c (build_pointer_type_for_mode): Robustify.
3796 2005-08-10 James E Wilson <wilson@specifix.com>
3798 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
3799 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
3801 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
3804 2005-08-10 Eric Christopher <echristo@apple.com>
3806 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
3807 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
3810 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
3813 * config/darwin.c (machopic_indirect_data_reference): Use a new register
3814 for the high part when generating dynamic-no-pic code.
3816 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
3818 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
3819 (x86_64-*-linux*): Likewise.
3821 * config/i386/crtfastmath.c: New file.
3822 * config/i386/t-crtfm: Likewise.
3824 * config/i386/linux.h (ENDFILE_SPEC): New.
3825 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
3827 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3830 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
3832 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
3833 (vec_shl, vec_shr): Document new operations.
3834 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
3836 2005-08-10 David Edelsohn <edelsohn@gnu.org>
3838 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
3839 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
3840 change predicate to indexed_or_indirect_address.
3842 2005-08-10 Richard Sandiford <richard@codesourcery.com>
3844 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
3845 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
3846 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
3847 and __aeabi_uwrite8.
3848 * config/arm/unaligned-funcs.c: New file.
3849 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
3851 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
3853 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
3855 * cfglayout.c (pass_insn_locators_initialize): Add dump.
3856 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
3858 * except.c (pass_convert_to_eh_region_ranges): Add dump.
3859 * final.c (pass_shorten_branches): Add dump.
3860 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
3861 (pass_life): Rename dump.
3862 (rest_of_handle_flow2): Remove initial verify_flow_info.
3863 * function.c (pass_instantiate_virtual_regs): Add dump.
3864 * integrate.c (pass_initial_value_sets): Add dump.
3865 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
3866 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
3867 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
3868 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
3869 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
3870 gate_rtl_unrool_and_peel_loops): New.
3871 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
3872 rtl_doloop): Do not look at flags.
3873 * mode-switching.c (pass_mode_switching): Add dump.
3874 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
3875 pass_split_before_regstack): Add dump.
3876 * regmove.c (pass_stack_adjustments): Add dump.
3877 * tree-optimize.c (pass_fixup_cfg): Add dump.
3879 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3882 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
3883 deciding which instruction sequence to use.
3885 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
3887 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
3888 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
3890 2005-08-09 Richard Guenther <rguenther@suse.de>
3892 * c-common.c (builtin_function_2): Remove.
3893 (def_builtin_1): New function.
3894 (c_common_nodes_and_builtins): Use def_builtin_1 to
3895 build builtin functions.
3897 2005-08-09 Jie Zhang <jie.zhang@analog.com>
3899 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
3900 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
3901 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
3904 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3906 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
3907 fold_binary instead of fold_build2 since we don't care about the
3909 (loop_niter_by_eval): Likewise.
3910 (compare_trees): Likewise.
3911 (proved_non_wrapping_p): Likewise.
3913 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
3917 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
3918 if the if is really empty.
3920 2005-08-09 Steven Bosscher <stevenb@suse.de>
3922 PR tree-optimization/23234
3923 * tree-ssa-math-opts.c (place_reciprocal): New enum.
3924 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
3925 argument of the new enum.
3926 (execute_cse_reciprocals): Add reciprocals for function arguments
3927 on the unique successor edge of the entry block. Update other calls
3928 to execute_cse_reciprocals_1.
3930 2005-08-08 Richard Henderson <rth@redhat.com>
3933 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
3935 2005-08-08 Bob Wilson <bob.wilson@acm.org>
3937 * expr.c (write_complex_part): Return after handling MEM.
3939 2005-08-08 Josh Conner <jconner@apple.com>
3941 PR rtl-optimization/23241
3942 * combine.c (simplify_comparison): Fix error in determining
3943 whether to lift a subreg from comparison.
3945 2005-08-08 David Edelsohn <edelsohn@gnu.org>
3948 * config/rs6000/altivec.md (vec_init<mode>): New.
3949 (vec_set<mode>): New.
3950 (vec_extract<mode>): New.
3951 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
3952 (rs6000_expand_vector_set): New.
3953 (rs6000_expand_vector_extract): New.
3954 (rs6000_legitimate_offset_address_p): Offset addresses are valid
3955 for Altivec modes before reload.
3956 (altivec_expand_vec_init_builtin): New.
3957 (get_element_number): New.
3958 (altivec_expand_vec_set_builtin): New.
3959 (altivec_expand_vec_ext_builtin): New.
3960 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
3962 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
3964 * config/rs6000/rs6000.h (rs6000_builtins): Add
3965 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
3966 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
3967 * config/rs6000/rs6000-protos.h: Declare new functions.
3969 2005-08-08 Jan Hubicka <jh@suse.cz>
3971 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
3972 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
3973 * i386.md (movdi*): Use pic_32bit_operand.
3974 * predicates.md (pic_32bit_operand): New.
3976 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
3979 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
3981 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
3983 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
3984 (test_for_singularity): Use fold_build2.
3986 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3988 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
3990 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
3992 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
3993 (COMMON_ASM_OP) Define.
3994 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
3995 (ix86_encode_section_info): Likewise.
3996 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
3997 SUBTARGET_ENCODE_SECTION_INFO.
3999 2005-08-06 Richard Henderson <rth@redhat.com>
4002 * tree-nested.c (convert_local_reference): Save and restore val_only
4003 around component_ref and friends. Clear walk_subtrees by default.
4005 2005-08-06 Peter O'Gorman <peter@pogma.com>
4008 * gcc.c (process_command): Check the argument to -b has a dash.
4009 * doc/invoke.texi: Update -b and -V docs.
4011 2005-08-06 James E Wilson <wilson@specifix.com>
4013 * config/mips/cross64.h, config/mips/t-cross64: Delete.
4015 2005-08-06 Michael Matz <matz@suse.de>
4017 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
4018 member only if only one insn is associated with the value.
4020 2005-08-06 Nick Clifton <nickc@redhat.com>
4022 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
4024 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
4025 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
4026 Check symbol flags instead of symbol name mangling.
4027 (xstormy16_asm_output_aligned_common): Likewise. Also
4028 simplify code since the bss100_section cass is the only case
4029 where the below100 code will be triggered.
4030 (xstormy16_encode_section_info): Encode below100 attribute
4031 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
4033 (xstormy16_strip_name_encoding): Delete - this function is no
4035 (TARGET_STRIP_NAME_ENCODING): Undefine.
4036 * config/stormy16/stormy16-protos.h: Delete prototype for
4037 xstormy16_strip_name_encoding.
4039 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
4041 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
4042 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
4043 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
4044 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
4045 config/alpha/predicates.md, config/arc/arc.h,
4046 config/arm/arm.h, config/arm/ieee754-df.S,
4047 config/arm/ieee754-sf.S, config/bfin/bfin.c,
4048 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
4049 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
4050 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
4051 config/m68hc11/m68hc11.h, config/mips/mips.c,
4052 config/mips/mips.h, config/mips/openbsd.h,
4053 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
4054 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
4055 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
4056 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
4057 config/sparc/linux.h, config/sparc/linux64.h,
4058 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
4059 doc/extend.texi, doc/gcov.texi, doc/install.texi,
4060 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
4061 typos. Follow spelling conventions.
4063 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
4066 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
4067 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
4068 specially. Check for side effects only for COND_EXPR.
4069 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
4070 return with TREE_NO_WARNING.
4072 2005-08-06 Richard Sandiford <richard@codesourcery.com>
4074 PR rtl-optimization/23233
4075 * loop.c (combine_movables): Require the modes to be the same.
4076 (move_movables): Remove handling of cases where the replacement
4077 had a different mode to the original.
4079 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
4081 PR tree-optimization/23128
4082 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
4083 subtraction wrap, and set TREE_OVERFLOW if they do.
4085 2005-08-05 Richard Henderson <rth@redhat.com>
4088 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
4089 FORCED_LABEL labels.
4091 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
4094 * reload.c (find_reloads_subreg_address): Pass down TYPE
4095 unchanged. Change all callers except find_reloads_toplev.
4097 2005-08-05 Michael Matz <matz@suse.de>
4099 * genattrtab.c (current_alternative_string): Remove.
4100 (SIMPLIFY_ALTERNATIVE): Ditto.
4101 (attr_alt_bit_p): Ditto.
4102 (alternative_name): Make const char *.
4103 (evaluate_eq_attr): Remove use of above things.
4104 (simplify_test_exp): Ditto.
4105 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
4106 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
4108 2005-08-04 James E Wilson <wilson@specifix.com>
4110 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
4111 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
4112 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
4113 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
4114 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
4116 2005-08-04 Richard Henderson <rth@redhat.com>
4119 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
4120 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
4121 * tree-sra.c (decide_block_copy): Use it. Disable element copy
4122 if we'd have to instantiate too many members.
4124 2005-08-04 Richard Henderson <rth@redhat.com>
4127 * tree-outof-ssa.c (coalesce_asm_operands): New.
4128 (coalesce_ssa_name): Use it. Split out ...
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