1 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4 case, define as macros.
6 PR rtl-optimization/23837
7 * optabs.c (no_conflict_move_test): Don't set must_stay for a
8 clobber / clobber match between dest and p->first.
10 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
11 (no_conflict_move_test): Update comments.
13 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
15 * doc/install.texi: Update URL for Jacks.
16 * doc/sourcebuild.texi: Likewise.
18 2005-09-22 David Edelsohn <edelsohn@gnu.org>
21 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
22 registers when choosing register preferences.
23 (movdf_hardfloat64): Same.
25 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
27 * expmed.c (expand_shift): Don't use the target of the rotate as
28 target for the first expanded shift insn.
29 * testsuite/gcc.dg/20050922-1.c: Testcase added.
31 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
33 PR tree-optimization/22438
34 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
35 preserved iv rhs rewriting specially.
37 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
39 * tree-data-ref.c (analyze_array_indexes): Only estimate when
40 estimate_only is true.
41 * tree-flow.h (ref_contains_indirect_ref): New prototype.
42 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
43 tree-ssa-structalias.c
44 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
45 ref_contains_indirect_ref.
46 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
48 2005-09-21 DJ Delorie <dj@redhat.com>
50 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
52 (mn10300_return_in_memory): Support variable size types also.
53 (mn10300_pass_by_reference): Likewise.
54 (mn10300_function_value): New.
55 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
56 (FUNCTION_OUTGOING_VALUE): Likewise.
57 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
58 * doc/invoke.texi: Document it.
60 2005-09-21 Uros Bizjak <uros@kss-loka.si>
63 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
64 force integer op1 into register for XFmode compares.
66 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
69 * expmed.c (alg_code): Add alg_impossible.
70 (alg_hash_entry): Add cost.
71 (synth_mult): Record alg_impossible in the hash table if
72 multiplication by a given integer is impossble within the
73 limit. Speed up using alg_impossible.
75 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
77 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
78 argument. Allow and set any offset if needs_anyoffset is passed
80 (get_constraint_for): Add argument here too.
82 (do_structure_copy): Pass NULL to get_constraint_for.
83 (handle_ptr_arith): Ditto.
84 (find_func_aliases): Ditto.
86 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
88 PR rtl-optimization/23898
89 * output.h (get_attr_min_length): Declare.
90 * final.c (get_attr_length_1): New function, broken out of:
92 (get_attr_min_length): New function.
93 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
94 (duplicate_computed_gotos): Likewise.
95 * genattr.c (insn_min_length): Generate declaration.
96 * genattrtab.c (min_fn, min_attr_value): New functions.
97 (make_length_attrs): Generate insn_min_length.
99 2005-09-20 Steve Ellcey <sje@cup.hp.com>
101 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
103 2005-09-20 Richard Henderson <rth@redhat.com>
105 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
108 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
110 * c.opt (fextended-identifiers): New.
111 * c-opts.c (c_common_handle_option): Handle
112 -fextended-identifiers.
113 * doc/cpp.texi: Update documentation of extended identifiers.
114 * doc/cppopts.texi (-fextended-identifiers): Document.
116 2005-09-20 Jakub Jelinek <jakub@redhat.com>
118 PR tree-optimization/23929
119 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
122 PR tree-optimization/23818
123 * tree-stdarg.c (execute_optimize_stdarg): Call
124 calculate_dominance_info.
126 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
128 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
129 (analyze_siv_subscript_cst_affine): Add weak SIV test.
130 (compute_overlap_steps_for_affine_1_2): Use
131 get_number_of_iters_for_loop.
132 (analyze_subscript_affine_affine): Check whether difference is
134 Use get_number_of_iters_for_loop.
135 Check whether overlap occurs outside of bounds.
136 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
138 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
140 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
141 base register if possible.
143 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
145 PR tree-optimization/18463
146 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
147 converting it directly is not possible.
148 (chrec_convert_aggressive): New function.
149 * tree-chrec.h (chrec_convert_aggressive): Declare.
150 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
151 Fold chrec conversions aggressively if asked to.
152 (instantiate_parameters): Modified because of changes in
153 instantiate_parameters_1.
155 2005-09-19 Richard Henderson <rth@redhat.com>
157 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
158 (reduc_splus_v2df): New.
160 2005-09-19 Richard Sandiford <richard@codesourcery.com>
162 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
163 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
165 2005-09-19 Richard Henderson <rth@redhat.com>
167 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
170 2005-09-19 Richard Henderson <rth@redhat.com>
172 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
173 (ia64_expand_dot_prod_v8qi): New.
174 * config/ia64/ia64-protos.h: Update.
175 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
176 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
177 sdot_prodv8qi, sdot_prodv4hi): New.
178 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
180 2005-09-19 Richard Henderson <rth@redhat.com>
183 * real.c (exact_real_truncate): Return false if the format cannot
184 represent the number as a normal.
186 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
189 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
191 * tree-ssa-operands.c (swap_tree_operands): Export.
192 * tree.h (swap_tree_operands): Declare.
193 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
194 Call swap_tree_operands.
196 2005-09-19 Richard Henderson <rth@redhat.com>
198 * tree-flow.h (merge_alias_info): Declare.
199 * tree-ssa-copy.c (merge_alias_info): Export.
200 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
201 (vect_create_data_ref_ptr): Use create_iv directly.
202 (vectorizable_load): Use correct types for integer constants.
203 (vect_generate_tmps_on_preheader): Likewise.
204 (vect_gen_niters_for_prolog_loop): Likewise.
206 2005-09-19 Steven Bosscher <stevenb@suse.de>
208 PR rtl-optimization/23943
209 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
211 2005-09-18 Jan Hubicka <jh@suse.cz>
213 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
215 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
217 * varasm.c (output_constant): Do not abort on conversions to union
218 types between different sizes.
220 2005-09-18 Richard Guenther <rguenther@suse.de>
223 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
226 2005-09-18 Paul Brook <paul@codesourcery.com>
228 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
230 2005-09-17 Richard Henderson <rth@redhat.com>
232 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
233 * tree-ssa-loop.c (pass_vect_dce): Remove.
234 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
237 2005-09-17 Richard Henderson <rth@redhat.com>
239 * tree-pass.h (pass_vect_dce): Declare.
240 * passes.c (init_optimization_passes): Add it.
241 * tree-flow.h (tree_ssa_dce): Declare.
242 * tree-ssa-dce.c (tree_ssa_dce): Export.
243 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
244 (gate_tree_vectorize): ... here.
245 (pass_vect_dce): New.
247 2005-09-17 Jan Hubicka <jh@suse.cz>
249 * except.c (struct eh_status): Turn region_array into vec.
250 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
251 convert_from_eh_region_ranges, find_exception_handler_labels,
252 current_function_has_exception_handlers, assign_filter_values,
253 build_post_landing_pads, dw2_build_landing_pads,
254 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
255 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
256 foreach_reachable_handler, can_throw_internal_1,
257 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
259 (duplicate_eh_region_1): Update region_array.
260 (duplicate_eh_regions): Resize region_array and avoid recomputing.
262 2005-09-17 David Edelsohn <edelsohn@gnu.org>
265 * expmed.c (expand_mult): Substitute simple register for op0 when
268 2005-09-17 Richard Henderson <rth@redhat.com>
270 * expr.c (emit_move_via_integer): Add force argument, pass it on
271 to emit_move_change_mode. Update callers.
272 (emit_move_complex): Pass true to new force argument.
273 * function.c (expand_function_end): Move expand_eh_return call
274 earlier. Merge sub-word complex values into a pseudo before
275 copying to the return hard register.
277 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
279 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
280 between different sizes.
282 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
286 * passes.c (init_optimization_passes): Register dump files for
289 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
291 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
292 * config/s390/s390.c (s390_overlap_p): New function.
293 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
294 peephole2, "*xc" peephole2): Added overlap check to the peephole2
297 2005-09-16 Richard Guenther <rguenther@suse.de>
299 * ipa-pure-const.c (static_execute): Free auxiliar information.
300 * ipa-type-escape.c (discover_unique_type): Free temporary key.
301 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
303 2005-09-15 DJ Delorie <dj@redhat.com>
305 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
307 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
309 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
311 (swap_commutative_operands_with_target): New.
313 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
315 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
318 (estimate_iters_using_array): New function.
319 * tree-data-ref.h (estimate_iters_using_array): Prototype
320 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
321 Use estimate_iters_using_array instead of analyze_array.
323 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
325 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
328 2005-09-15 Michael Matz <matz@suse.de>
330 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
332 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
334 PR tree-optimization/23835
335 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
336 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
338 2005-09-14 Richard Henderson <rth@redhat.com>
340 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
341 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
343 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
345 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
346 in the ARRAY_TYPE case.
348 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
350 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
352 2005-09-14 Uros Bizjak <uros@kss-loka.si>
355 * tree-vect-transform.c (vectorizable_operation): Return false for
356 scalar shift operations and for vector shift operations with
357 non-invariant shift arguments. Use scalar tree operand op1 as
358 a shift operand when vector shift insn pattern uses scalar shift
360 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
362 2005-09-14 Olivier Hainque <hainque@adacore.com>
364 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
365 value if it has side-effects.
367 2005-09-14 David Edelsohn <edelsohn@gnu.org>
370 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
372 2005-09-14 Alan Modra <amodra@bigpond.net.au>
374 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
375 passed as NAME as if it were label at start of function code.
377 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
379 * config/sh/sh.md (*movv4sf_i): Add general register cases to
382 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
384 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
385 as early clobber. Rewrite so the PIC register is not implicitly used.
387 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
389 * tree.c (annotate_with_file_line): Compare line numbers before
392 2005-09-13 Uros Bizjak <uros@kss-loka.si>
395 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
396 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
398 2005-09-13 Ian Lance Taylor <ian@airs.com>
400 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
401 than a HOST_WIDEST_INT to gen_doloop_begin.
403 2005-09-13 Diego Novillo <dnovillo@redhat.com>
405 * tree-dfa.c (dump_variable): Guard against NULL annotations.
407 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
409 PR tree-optimize/23817
410 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
412 2005-09-13 Alan Modra <amodra@bigpond.net.au>
415 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
416 word before changing the stack pointer. Use gen_frame_mem for MEMs.
417 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
418 (restore_stack_nonlocal): Likewise.
419 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
421 2005-09-12 Ian Lance Taylor <ian@airs.com>
424 * c.opt (ffriend-injection): New C++ option.
425 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
426 (C++ Dialect Options): Document -ffriend-injection.
428 2005-09-12 Josh Conner <jconner@apple.com>
431 * ipa-reference.c (static_execute): Don't mark variables in
432 named sections TREE_READONLY.
434 2005-09-12 Alan Modra <amodra@bigpond.net.au>
436 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
439 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
441 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
442 V_MUST_DEF instead of just the first_use_p.
443 Don't mark the virtual variables for renaming on the statement which
445 (pass_dse): Remove TODO_update_ssa.
447 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
450 * stor-layout.c (compute_record_mode): For records with a single
451 field, actually check the field's mode size against the type size.
453 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
454 registers for TARGET_SHMEDIA.
455 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
456 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
457 of GENERAL_REGS and FP_REGS.
459 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
461 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
463 2005-09-12 Alan Modra <amodra@bigpond.net.au>
465 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
466 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
467 are omitted. Exclude stack_tie insn too.
469 2005-09-11 David Edelsohn <edelsohn@gnu.org>
471 PR rtl-optimization/23098
472 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
474 * config/rs6000/rs6000.md (movdf splitter): Use
475 const_double_operand predicate for TARGET_POWERPC64.
476 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
477 SYMBOL_REF method to ABI_V4.
479 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
480 replace_equiv_address.
481 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
482 rs6000_sr_alias_set and MEM_NOTRAP.
483 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
485 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
487 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
488 handle CALL_EXPR again.
490 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
492 * arm/predicates.md (alignable_memory_operand): Delete.
494 2005-09-10 Richard Henderson <rth@redhat.com>
497 * dbxout.c (dbxout_expand_expr): New.
498 (dbxout_symbol): Use it.
500 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
502 * arm.c (arm_gen_rotated_half_load): Delete.
503 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
504 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
505 (thumb_set_return_address): Likewise.
506 (thumb_load_double_from_address): Use adjust_address.
507 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
508 (extendhsisi2_mem, movhi_bytes): Use change_address.
509 (movhi): Use widen_memory_access.
510 (reload_out_df): Use replace_equiv_address.
511 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
513 2005-09-09 Richard Henderson <rth@redhat.com>
516 * dbxout.c: Include expr.h.
517 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
518 (dbxout_symbol): Handle DECL_VALUE_EXPR.
519 * Makefile.in (dbxout.o): Add EXPR_H.
521 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
523 PR tree-optimization/23509
524 * tree-cfg.c (replace_uses_by): Use replace_exp.
525 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
526 pointers have name_mem_tag or type_mem_tag set.
528 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
530 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
531 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
532 of wrongly accessing operands.
534 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
536 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
537 * tree-chrec.c: Include tree-scalar-evolution.h.
538 (chrec_convert): Instantiate the base and step before calling
539 scev_probably_wraps_p that would fail on parametric evolutions.
540 Collect all the fails into a single section failed_to_convert,
541 print a diagnostic, and return chrec_dont_know instead of calling
543 * tree-scalar-evolution.c (loop_closed_phi_def): New.
544 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
546 (scev_const_prop): Don't replace the definition of a loop closed ssa
547 phi node by itself, or by another loop closed ssa phi node.
548 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
549 that base and step are defined.
551 2005-09-09 Richard Guenther <rguenther@suse.de>
554 * fold-const.c (fold_ternary): Check truth_value_p before
555 calling invert_truthvalue.
557 2005-09-09 Nick Clifton <nickc@redhat.com>
559 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
560 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
561 dimension of these arrays.
562 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
564 * longlong.h: Only provide a prototype for the __clz_tab[] array
565 if this header has not been included from libgcc2.h.
566 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
568 Provide prototypes for exported functions.
569 Use the __clz_tab[] and __popcount_tab[] arrays provided by
572 2005-09-08 Josh Conner <jconner@apple.com>
576 * expr.c (expand_expr_addr_expr_1): Don't invoke
577 expand_simple_binop for EXPAND_INITIALIZER.
579 2005-09-08 Richard Henderson <rth@redhat.com>
582 * toplev.c (wrapup_global_declaration_1): Split out ...
583 (wrapup_global_declaration_2): ... from ...
584 (wrapup_global_declarations): ... here. Return bool.
585 (check_global_declaration_1): Split out ...
586 (check_global_declarations): from here.
587 (emit_debug_global_declarations): New.
588 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
589 check_global_declaration_1, emit_debug_global_declarations): Declare.
590 * c-decl.c (c_write_global_declarations_1): Don't create a vector
591 of decls. Call wrapup_global_declaration_1,
592 wrapup_global_declaration_2, check_global_declaration_1 directly.
593 (c_write_global_declarations_2): New.
595 (c_write_global_declarations): Call c_write_global_declarations_2.
596 * langhooks.c (write_global_declarations): Call
597 emit_debug_global_declarations.
599 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
600 remove decls that have DECL_RTL_SET_P.
601 * passes.c (rest_of_decl_compilation): Invoke
602 cgraph_varpool_finalize_decl for all but functions.
604 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
606 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
607 the result of a conversion if the new min and max cannot be compared.
609 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
611 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
612 (override_options): Setting s390_sr_alias_set removed.
613 (save_fpr, save_gprs): Set alias set to vararg or frame.
614 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
615 s390_sr_alias_set with get_frame_alias_set ().
616 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
617 get_varargs_alias_set ().
619 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
623 * c-parser.c (c_parser_objc_method_definition): If the next
624 token is not "{", error out and don't start the function.
626 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
628 * tree-vrp.c (extract_range_from_expr): Move the check for non
629 nullness after the check for gimple invariant.
631 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
633 * tree.c (host_integerp, tree_low_cst): Correct function comment.
635 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
638 * config/m32r.md (movmemsi_internal): Canonicalize order of
639 operands in PLUS component of template.
641 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
643 * reload1.c (fixup_eh_region_note): Remove assertion.
644 (fixup_abnormal_edges): Reverted removal of call to
645 find_many_sub_basic_blocks made on 2005-08-31.
647 2005-09-07 Richard Henderson <rth@redhat.com>
649 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
650 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
651 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
652 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
653 rearrange for better packing.
654 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
655 (lookup_cfa_1): Remove inline marker.
656 (cfa_equal_p): Split out of ...
657 (def_cfa_1): ... here. Use INVALID_REGNUM.
658 (build_cfa_loc): Handle !cfa->indirect.
659 (frame_pointer_cfa_offset): New.
660 (dbx_reg_number): Assert register elimination performed; do
661 leaf register remapping.
662 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
663 (eliminate_reg_to_offset): New.
664 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
665 for verifiably local stack frame addresses; re-base to CFA.
666 (mem_loc_descriptor): Remove can_use_fbreg argument.
667 (concat_loc_descriptor, loc_descriptor): Likewise.
668 (containing_function_has_frame_base): Remove.
669 (rtl_for_decl_location): Don't do register elimination or
670 leaf register remapping here.
671 (secname_for_decl): Split out from ..
672 (add_location_or_const_value_attribute): ... here.
673 (convert_cfa_to_loc_list): New.
674 (compute_frame_pointer_to_cfa_displacement): New.
675 (gen_subprogram_die): Use them.
676 * tree.h (frame_base_decl): Remove.
677 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
678 (prologue_stack_adjust): Remove.
679 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
680 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
681 (set_frame_base_location): Remove.
682 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
683 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
684 (vt_add_function_parameters): Don't eliminate_regs.
685 (vt_initialize): Don't create frame_base_decl.
687 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
689 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
690 version of GNU binutils for 4.x and later.
692 2005-09-06 Mark Mitchell <mark@codesourcery.com>
694 * ggc-page.c (ggc_push_context): Remove.
695 (ggc_pop_context): Likewise.
696 * ggc.h (ggc_push_context): Remove.
697 (ggc_pop_context): Likewise.
699 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
702 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
703 returning from an interrupt handler.
705 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
708 * config/arc/arc.c (output_shift): Add check for loop count when
711 2005-09-06 Steven Bosscher <stevenb@suse.de>
713 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
715 (abs_replacement): Likewise.
716 (pass_phiopt): Remove TODO_update_ssa.
718 2005-09-06 Jakub Jelinek <jakub@redhat.com>
721 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
722 if "return with no value, in function returning non-void" warning
724 * tree-cfg.c (execute_warn_function_return): Don't look at
725 RETURN_EXPRs with TREE_NO_WARNING set.
728 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
729 for internal functions doesn't use registers used by global registers
730 variables. Use fewer register parameters if there are global register
733 2005-09-06 Olivier Hainque <hainque@adacore.com>
734 Eric Botcazou <ebotcazou@adacore.com>
737 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
738 when we would be extracting outside its bit span (bitpos+bitsize
739 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
740 Ada unchecked conversions.
742 2005-09-06 Steven Bosscher <stevenb@suse.de>
744 * tree-ssa-pre.c (try_look_through_load): New function.
745 (compute_avail): Use it to try to look through loads for some
746 more useful expressions.
748 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
750 * simplify-rtx.c (simplify_binary_operation_1): Correct the
751 condition for detecting cases like (a&a) and (a^a).
753 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
755 * common.opt: Add option ftree-vect-loop-version.
756 * params.def: Add --param vect-max-version-checks.
757 * doc/invoke.texi: Document ftree-vect-loop-version and
758 --param vect-max-version-checks.
759 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
760 may_misalign_stmts and defines for accessors.
761 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
762 LOOP_VINFO_MAY_MISALIGN_STMTS.
763 (destroy_loop_vec_info): VEC_free for
764 LOOP_VINFO_MAY_MISALIGN_STMTS.
765 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
766 Update documentation.
767 (vect_update_misalignment_for_peel): New.
768 (vect_enhance_data_refs_alignment): Update to choose loop
769 peeling or loop versioning if appropriate for the (potentially)
770 unaligned data references in the loop.
771 (vect_analyze_data_refs_alignment): Remove call to
772 vect_enhance_data_refs_alignment so the checks can be done
774 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
775 and move up call to vect_analyze_data_refs_alignment.
776 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
777 (vect_transform_loop): Add call to loop_version.
779 2005-09-06 Jakub Jelinek <jakub@redhat.com>
781 PR rtl-optimization/23098
782 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
783 * simplify-rtx.c (constant_pool_reference_p): New function.
784 * rtl.h (constant_pool_reference_p): New prototype.
785 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
786 constant_pool_reference_p in condition and
787 avoid_constant_pool_reference in preparation statements.
789 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
791 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
792 STRICT_LOW_PART SETs.
794 2005-09-06 Alan Modra <amodra@bigpond.net.au>
797 * except.c (sjlj_emit_function_enter): Find the function begin
798 note even when it's not in first basic block.
800 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
802 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
803 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
804 * aclocal.m4: Regenerate.
806 2005-09-05 DJ Delorie <dj@redhat.com>
808 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
811 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
813 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
814 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
815 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
816 Follow spelling conventions.
817 * doc/invoke.texi: Follow spelling conventions.
819 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
821 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
822 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
823 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
825 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
828 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
829 (output_stack_adjust): Use gen_tmp_stack_mem.
830 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
831 (sh_set_return_address, sh_allocate_initial_value): Likewise.
832 (sh_get_pr_initial_val): Likewise.
833 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
834 (sh_initialize_trampoline): Likewise. Also use adjust_address.
835 * sh.md (divsi_inv_m0): Use gen_const_mem.
836 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
837 (movdf_i4+1): Use gen_tmp_stack_mem.
838 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
839 (fpu_switch+2): Likewise.
840 (movv4sf_i, movv16sf_i): Use adjust_address.
841 (symGOT_load): Set MEM_NOTRAP_P bit.
843 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
846 * pa.c (emit_move_sequence): Fix typo in last change.
848 2005-09-03 Jakub Jelinek <jakub@redhat.com>
850 PR rtl-optimization/23454
851 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
854 2005-09-03 Richard Henderson <rth@redhat.com>
855 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
858 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
861 2005-09-02 Nicolas Pitre <nico@cam.org>
863 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
864 to bit_count to 32 bits.
866 2005-08-31 Mark Mitchell <mark@codesourcery.com>
869 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
870 generating synthetic loads from volatile lvalues.
872 005-09-02 Nick Clifton <nickc@redhat.com>
874 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
875 __ctzhi2, __clzhi2): New functions.
877 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
880 * tree-nested.c (struct var_map_elt): Mark with GTY.
881 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
883 (lookup_field_for_decl): Allocate new element in GC memory.
884 (lookup_tramp_for_decl): Likewise.
885 (convert_nl_goto_reference): Likewise
886 (create_nesting_tree): Allocate info in GC memory. Likewise for
888 (free_nesting_tree): Free with ggc_free instead of free.
889 (root): New static variable.
890 (lower_nested_functions): Remove root as local variable. And zero out
891 root at the end of the function.
893 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
895 PR rtl-optimization/20365
896 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
897 to short. New member ix.
898 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
899 (simplify_plus_minus): Initialize ix members before calling qsort.
901 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
903 PR tree-optimization/23626
904 * tree-cfg.c (replace_uses_by): Clean up eh info.
906 2005-09-01 DJ Delorie <dj@redhat.com>
908 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
911 2005-09-01 David Edelsohn <edelsohn@gnu.org>
913 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
914 (rs6000_split_multireg_move): Use replace_equiv_address instead of
917 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
919 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
920 do not issue warning for a variable definition following
923 2005-09-01 Richard Henderson <rth@redhat.com>
926 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
927 conversion to CONST_VECTOR.
929 2005-09-01 Richard Henderson <rth@redhat.com>
932 * reload1.c (reload_as_needed): Check !CALL_P before calling
933 fixup_eh_region_note.
934 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
936 2005-09-01 DJ Delorie <dj@redhat.com>
938 * varasm.c (output_constant): Let the target resolve
939 conversions of addresses to non-default pointer sizes.
941 2005-09-01 Nicolas Pitre <nico@cam.org>
943 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
944 to alow matching ARM pre-indexed addressing mode.
945 (arm_override_options): Remove now irrelevant comment.
947 2005-09-01 Phil Edwards <phil@codesourcery.com>
949 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
950 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
951 * config/i386/vxworks.h: Likewise.
952 * config/i386/t-vxworksae: New file, for VxWorks AE.
953 * config/i386/vxworksae.h: Likewise.
955 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
957 PR tree-optimization/23410
958 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
959 sequence is not wrapping during the first step.
961 2005-09-01 Jakub Jelinek <jakub@redhat.com>
964 * dwarf2out.c (base_type_die): Compare char_type_node with
965 TYPE_MAIN_VARIANT (type), not type.
967 2005-09-01 Richard Guenther <rguenther@suse.de>
969 PR tree-optimization/15366
970 * common.opt: Add -finline-functions-called-once.
971 Put -fearly-inlining in alphabetically ordered place.
972 * doc/invoke.texi: Document new option.
973 * ipa-inline.c (cgraph_decide_inlining): Honour
974 flag_inline_functions_called_once.
976 2005-09-01 Jakub Jelinek <jakub@redhat.com>
978 PR rtl-optimization/23478
979 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
980 (alloc_qty): Initialize it.
981 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
982 (combine_regs): Combine also n_throwing_calls_crossed fields.
983 (find_free_reg): Don't attempt to caller-save pseudos crossing
984 calls that might throw.
985 * global.c (struct allocno): Add throwing_calls_crossed field.
986 (global_alloc): Revert 2005-08-22 change. Initialize
987 throwing_calls_crossed.
988 (find_reg): Don't attempt to caller-save pseudos crossing calls that
991 2005-09-01 Alan Modra <amodra@bigpond.net.au>
994 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
995 (mask64_operand): Reinstate code prior to 2005-06-11 change.
996 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
997 (and64_2_operand): Tweak to use predicate.
998 (and_operand): Adjust for mask_operand changes.
999 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1000 (print_operand): Likewise.
1001 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1002 (mask64_1or2_operand): Delete.
1003 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1004 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1005 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1006 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1007 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1008 (rotldi3_internal4): Likewise.
1009 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1010 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1011 (ashldi3_internal7): Likewise.
1012 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1013 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1014 (anddi3 split): Don't match mask64_operand.
1015 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1016 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1017 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1018 't' splitter predicate.
1019 (movdi_internal64 + 2): Revert 2005-06-11 change.
1021 2005-08-31 DJ Delorie <dj@redhat.com>
1023 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1024 (m32c_asm_integer): Add support for 32 bit pointers.
1026 2005-08-31 Richard Henderson <rth@redhat.com>
1028 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1029 component-like references for setting MEM_NOTRAP_P.
1031 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1032 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1034 2005-08-31 Richard Henderson <rth@redhat.com>
1036 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1037 into a pseudo before applying gen_lowpart.
1039 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1041 * doc/install.texi (Specific): Update cctools version required
1042 for full functionality.
1043 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1044 linkers as -macosx_version_min.
1046 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1049 * sh.c (print_operand, %R and %S): Add handling of floating point
1050 registers, memory, constants and invalid operands.
1052 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1054 * ipa-pure-const.c: Change dump name.
1056 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1059 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1060 to "reg_or_0_operand".
1061 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1063 2005-08-31 Dale Johannesen <dalej@apple.com>
1065 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1066 loops that count down.
1068 2005-08-31 Richard Henderson <rth@redhat.com>
1071 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1072 (fixup_eh_region_note): New.
1073 (reload_as_needed): Call it.
1074 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1075 don't call find_many_sub_basic_blocks; call verify_flow_info.
1076 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1077 (keep_stack_depressed): Likewise.
1078 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1080 2005-08-31 Richard Henderson <rth@redhat.com>
1082 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1085 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1087 * expr.c (expand_expr_real_1): Compare size of address
1088 mode to target's address mode size in deciding expansion of
1089 the constant address.
1091 2005-08-31 Richard Guenther <rguenther@suse.de>
1094 * expr.c (all_zeros_p): New function.
1095 (expand_expr_real_1): Handle the case of an all-zero
1096 non-addressable constructor separately.
1098 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1100 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1101 arguments, adjust all callers.
1102 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1104 2005-08-30 Richard Henderson <rth@redhat.com>
1107 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1108 whenever the mode sizes match.
1110 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1112 * calls.c (load_register_parameters): Fix comment typo.
1113 * expr.c (emit_push_insn): Comment formatting.
1115 2005-08-30 Ian Lance Taylor <ian@airs.com>
1117 * config/i386/x-cygwin (host-cygwin): Change dependency from
1118 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1120 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1122 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1125 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1128 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1129 call to ggc_collect.
1131 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1134 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1135 beginning. Remove $(INCLUDES) from all the rules, if following
1136 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1138 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1141 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1142 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1143 not constant, but maxlen is, don't set len to maxlen, rather
1144 set maxlen to len if len is a constant.
1146 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1148 PR tree-optimization/23475
1149 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1152 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1154 Fix PR middle-end/22455
1156 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1157 Checksum only the parts of the tree that exist for the tree code.
1159 2005-08-28 Dale Johannesen <dalej@apple.com>
1161 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1163 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1165 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1167 2005-08-28 Richard Henderson <rth@redhat.com>
1169 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1170 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1173 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1176 * builtins.c (get_memory_rtx): Don't strip nops
1177 in between COMPONENT_REFs.
1179 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1182 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1184 (gimplify_modify_expr): Check for zero sized types and gimplify the
1185 rhs and lhs as statements.
1187 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1190 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1191 state for return address column of signal frames.
1193 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1196 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1197 bytes >= 2 not bytes == 2.
1198 (expand_block_move): Same.
1200 2005-08-27 Richard Guenther <rguenther@suse.de>
1203 * config/i386/sse.md (sse2_movsd): Add missing closing
1206 2005-08-27 Paul Brook <paul@codesourcery.com>
1208 * genrecog.c (enum decision_type): Add DT_num_insns.
1209 (struct decision_test): Add u.num_insns.
1210 (add_to_sequence): Add DT_num_insns test.
1211 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1212 (write_cond, debug_decision_2): Ditto.
1213 (change_state): Assume peep2_next_insn never fails.
1214 Remove "afterward" argument.
1215 (write afterward, write_tree): Update to match.
1216 * recog.c (peep2_current_count): New variable.
1217 (peep2_next_insn): Check it.
1218 (peephole2_optimize): Set peep2_current_count.
1219 * recog.h (peep2_current_count): Declare.
1221 2005-08-26 Josh Conner <jconner@apple.com>
1224 * ipa-pure-const.c (check_tree): Check for volatile-ness
1225 when considering a dereference.
1227 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1229 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1231 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1233 PR rtl-optimization/23561
1234 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1235 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1236 at most LEN bytes long memory fits into the field.
1237 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1238 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1239 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1241 2005-08-26 Richard Henderson <rth@redhat.com>
1244 * loop.c (biased_biv_may_wrap_p): New.
1245 (maybe_eliminate_biv_1): Use it to suppress non-equality
1246 comparison transformations. Delete disabled code.
1248 2005-08-26 Ian Lance Taylor <ian@airs.com>
1250 * combine.c (make_extraction): Avoid reference outside object.
1252 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1254 * stor-layout.c (finalize_type_size): Restore behaviour for
1255 non-aggregate types to the status quo ante of the patch for
1256 pr 23467. Document why it matters.
1258 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1261 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1262 array by one element, initialize the BT_LAST element with NULL.
1264 2005-08-26 David Edelsohn <edelsohn@gnu.org>
1266 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1267 optimizing for size.
1269 (compare_plus_eqsi): Same.
1270 (plus_eqsi_compare): Same.
1271 (neg_eq0<mode>): Same.
1272 (neg_eq<mode>): Same.
1274 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1277 2005-08-26 Nick Clifton <nickc@redhat.com>
1279 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1280 TARGET_EP is not defined.
1281 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1282 TARGET_EP is enabled.
1283 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1284 * config/v850/v850.md (save_all_interrupt): Only use the EP
1285 register if TARGET_EP is defined.
1286 (restore_all_interrupt): Likewise.
1287 * config/v850/lib1funcs.asm: Update functions so that the EP
1288 register is only used if __EP__ is defined.
1290 2005-08-26 David Ung <davidu@mips.com>
1292 * config/mips/mips.c (mips_expand_prologue): Handle case when
1293 generating for MIPS16 and the outgoing argument area is more than
1294 SMALL_OPERAND. Use the frame pointer as temporary to generate the
1297 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
1299 * config/crx/crx.md: Make doloop_end pattern usage controllable
1300 via mloop-nesting=<max-nesting> command line switch. Make sure
1301 the combiner cannot use doloop_end_<mode> in an illegal way.
1302 * config/crx/crx.c: Use regs up to r6 for argument passing.
1303 Refine crx_address_cost (non cst4 displacements are expensive).
1304 * config/crx/crx.opt: Add switch for mloop-nesting=.
1306 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
1308 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1309 (UNSPEC_MVST): New constant.
1311 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
1313 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1314 Reject operands containing eliminable registers.
1315 * testsuite/gcc.dg/20050825-1.c: New testcase.
1317 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1318 Jan Hubicka <jh@suse.cz>
1320 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1322 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1324 PR tree-optimization/23546
1325 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1328 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
1330 * params.def (PARAM_MIN_SPEC_PROB): New.
1331 * sched-rgn.c (MIN_PROBABILITY): Delete.
1332 (compute_trg_info): Convert to PARAM_VALUE.
1333 * doc/invoke.texi (param): Document min-spec-prob.
1335 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
1337 * config/darwin.h: define __PIC__
1338 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1339 TARGET_OS_CPP_BUILTINS macro.
1341 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1343 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1346 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1348 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1350 * cfghooks.c (duplicate_block): Added position where to place
1351 new block as argument.
1352 * cfghooks.h (duplicate_block): Declaration changed.
1353 * cfglayout.c (copy_bbs): Add argument after. Pass it to
1355 * cfglayout.h (copy_bbs): Declaration changed.
1356 * cfgloop.h (loop_version): Declaration changed.
1357 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1358 position to copy_bbs.
1359 (loop_version): Pass position to duplicate_loop_to_header_edge.
1360 Add place_after argument and position new blocks according to
1362 * modulo-sched.c (sms_schedule): Pass place_after argument
1364 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1365 * tree-cfg.c (split_edge_bb_loc): New function.
1366 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1367 to determine position of new blocks.
1368 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1370 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1371 argument to duplicate_block.
1372 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1373 Pass position to copy_bbs.
1375 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1377 * fold-const.c (ptr_difference_const): Use
1378 cst_and_fits_in_hwi instead of host_integerp.
1380 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1382 * config/darwin.c (gen_pic_offset): New.
1383 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1386 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1388 PR tree-optimization/23486
1389 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1391 2005-08-23 Phil Edwards <phil@codesourcery.com>
1393 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1394 remove use_collect2.
1395 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1397 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1398 configuration files to override the default value.
1400 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1401 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1402 * config/vx-common.h: New file, split out from...
1403 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1404 * config/vxworksae.h: New file, for VxWorks AE.
1405 * config/vxworks.opt: New file.
1406 * config/vxlib.c: Update for VxWorks 6.
1408 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1409 other MULTILIB_* variables appropriately.
1410 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1411 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1412 * config/rs6000/vxworks.h: Update for VxWorks 6.
1413 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1415 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1418 * config/darwin.c (machopic_select_section): Remove the hack to
1419 mark "::operator new" and "::operator delete" for coalescing
1420 even though they are not weak.
1422 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1424 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1425 * configure: Regenerate.
1427 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1430 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1432 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1433 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1436 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1438 * config/rs6000/predicates.md (equality_operator): New.
1439 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1440 comparison with a large constant.
1442 2005-08-23 Mark Mitchell <mark@codesourcery.com>
1444 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1446 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1448 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1449 registers is even, and we have a hardware double precision fp,
1451 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1452 size of current argument when checking if argument was passed in
1455 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1458 * stor-layout.c (finalize_type_size): Dont override
1459 existing alignment with a smaller alignment from the mode.
1461 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1463 * lambda-code.c (lambda_vector_lexico_pos): Moved...
1464 * lambda.h (lambda_vector_lexico_pos): ... here.
1465 * tree-data-ref.c (build_classic_dist_vector): Return false when
1466 the distance vector is lexicographically negative.
1468 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1470 PR tree-optimization/23511
1471 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1472 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1474 2005-08-23 Jakub Jelinek <jakub@redhat.com>
1476 PR tree-optimization/22043
1477 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1478 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1479 If ALLOW_FLEXARR, handle types ending with flexible array member.
1480 Pass false as second argument to recursive count_type_elements calls.
1481 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1482 argument to count_type_elements call.
1483 * tree-sra.c (decide_block_copy): Likewise.
1484 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1485 for a constant-sized object, set cleared as well. Pass true as
1486 second argument to count_type_elements call.
1488 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1491 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1492 from legitimate_small_data_p, and make global. Update use.
1493 Remove forward declaration.
1494 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1496 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1498 2005-08-23 David Edelsohn <edelsohn@gnu.org>
1500 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1501 of scratch intermediates.
1502 (eq<mode>_compare): Same.
1503 (neg_eq0<mode>): New.
1504 (neg_eq<mode>): Convert to define_insn_and_split.
1506 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1509 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1510 stdarg functions, set/clear the fp marker even when no variable
1512 * config/rs6000/sysv4.opt (mprototype): Describe.
1514 2005-08-22 Jakub Jelinek <jakub@redhat.com>
1516 PR rtl-optimization/23478
1517 * regs.h (reg_info): Add throw_calls_crossed.
1518 (REG_N_THROWING_CALLS_CROSSED): Define.
1519 * flow.c (allocate_reg_life_data): Initialize
1520 REG_N_THROWING_CALLS_CROSSED.
1521 (propagate_one_insn, attempt_auto_inc): Update
1522 REG_N_THROWING_CALLS_CROSSED.
1523 * global.c (global_alloc): Don't allocate pseudos across
1524 calls that may throw.
1526 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1529 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1530 value is inbetween the range if we did not find an exact match.
1532 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
1534 * doc/invoke.texi (Option Summary): Add ms1 options.
1535 * doc/extend.texi: Document interrupt handler attribute for ms1.
1536 * doc/md.texi: Document ms1 constraints.
1537 * config.gcc: Add ms1-*-elf.
1538 * config/ms1/ms1.h: New.
1539 * config/ms1/ms1.c: New.
1540 * config/ms1/ms1.md: New.
1541 * config/ms1/ms1-protos.h: New.
1542 * config/ms1/ABI.txt: New.
1543 * config/ms1/crti.asm: New.
1544 * config/ms1/crtn.asm: New.
1545 * config/ms1/lib2extra-funcs.c: New.
1546 * config/ms1/t-ms1: New.
1547 * config/ms1/ms1.opt: New.
1549 2005-08-22 Ira Rosen <irar@il.ibm.com>
1551 * config/rs6000/altivec.md (xorv4sf3): New.
1552 (negv4sf2, neg<mode>2): Likewise.
1554 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1557 * config/ia64/ia64.md (divsi3): Check divide by zero.
1558 (udivsi3): Likewise.
1560 (udivdi3): Likewise.
1562 2005-08-21 Jakub Jelinek <jakub@redhat.com>
1564 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1565 up to elem_bitsize bits, not max_bitsize.
1567 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1569 PR tree-optimization/23433
1570 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1571 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1573 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1575 PR tree-optimization/23434
1576 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1577 the iteration bound is not an INTEGER_CST.
1579 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1581 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1582 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1583 NULL if need_epilog_adjust is false.
1584 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1585 Case 3 always peels first itration, not just for PLUS case, and no need
1586 to use scalar_initial_def here. Create an epilog adjustment only if
1587 scalar_initial_def is not NULL.
1589 (vectorizable_reduction): Remove assert.
1591 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1594 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1595 (__moddi3): Likewise.
1596 (__udivdi3): Likewise.
1597 (__umoddi3): Likewise.
1598 (__divsi3): Likewise.
1599 (__modsi3): Likewise.
1600 (__udivsi3): Likewise.
1601 (__umodsi3): Likewise.
1603 2005-08-20 Jakub Jelinek <jakub@redhat.com>
1605 * tree-pass.h (TDF_GRAPH): Define.
1606 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1607 * passes.c (finish_optimization_passes): Only call
1608 finish_graph_dump_file if TDF_GRAPH is set.
1609 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1610 NULL. Set TDF_GRAPH bit.
1611 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1613 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1615 * arm.h (arm_stack_offsets): Add locals_base field.
1616 * arm.c (arm_get_frame_offsets): Compute it.
1617 (thumb_compute_initial_elimination offset): Make the Thumb frame
1618 pointer point to the base of the local variables.
1619 (thumb_expand_prologue): Update accordingly.
1620 (thumb_expand_epilogue): Likewise.
1622 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1623 mode of clobbered scratch to DImode. Handle a case that's known to
1626 2005-08-19 David Edelsohn <edelsohn@gnu.org>
1628 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1629 (gt0<mode>_compare): Delete.
1630 (neg_gt0<mode>): Delete.
1632 2005-08-19 Eric Christopher <echristo@apple.com>
1634 * optabs.h: Change CTI_ to COI_.
1637 2005-08-19 James E Wilson <wilson@specifix.com>
1639 * builtins.c (expand_builtin_return_addr): Set
1640 current_function_accesses_prior_frames when count != 0. Use
1641 frame_pointer_rtx when count == 0.
1642 * function.h (struct function): Add accesses_prior_frames field.
1643 (current_function_accesses_prior_frames): Define.
1644 * reload1.c (init_elim_table): Check
1645 current_function_accesses_prior_frames.
1646 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1648 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1650 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1651 indicator. Return true if the flowgraph changed during
1654 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1657 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1658 conditional expression before testing its value.
1660 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1662 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1664 2005-08-19 Devang Patel <dpatel@apple.com>
1666 PR tree-optimization/23048
1667 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1668 third parameter. Check whether latch is dominated by exit
1670 (if_convertible_loop_p): Supply exit block itself to
1671 if_convertible_bb_p.
1673 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1676 * arm.md (arm_load_pic_register): Change argument to the mask of
1677 saved registers. Call thumb_find_work_register if we need a
1678 scratch register on Thumb.
1679 (arm_expand_prologue): Pass empty register set to
1680 arm_load_pic_register.
1681 (thumb_expand_prologue): Pass live_regs_mask directly to
1682 arm_load_pic_register.
1683 * arm-protos.h (arm_load_pic_register): Update prototype.
1685 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1687 * sh.c (find_sole_member): New function.
1688 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1689 if the record's alignment is larger than the size of its only member.
1691 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1694 * arm.c (thumb_legitimize_reload_address): New function.
1695 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1696 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1698 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1700 * config/crx/crx.c: Implement crx_decompose_address. Reject
1701 symbolic displacements since CRX register relative adressing
1702 mode can't handle unsigned 32-bit values as displacements.
1703 * config/crx/crx.h: Simplify definitions, remove redundant
1704 parenthesis and obsolete macros.
1705 * config/crx/crx.opt: Add new switch for debugging addresses.
1706 * config/crx/crx-protos.h: Add new declarations for above.
1708 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1711 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1714 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1716 * collect2.c (dup2): Delete.
1717 * configure.ac: Don't check for dup2.
1719 * config.in, configure: Regenerate.
1721 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1723 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1724 record with the type of its only member.
1726 2005-08-18 David Edelsohn <edelsohn@gnu.org>
1728 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1729 define_insn_and_split.
1730 (plus_ltu<mode>_compare): Same.
1731 (gtu<mode>_compare): Same.
1732 (plus_gtu<mode>_compare): Same.
1734 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1736 PR tree-optimization/22228
1737 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1739 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1740 are recorded in vect_vnames_to_rename for renaming.
1741 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1742 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1743 in vect_vnames_to_rename.
1744 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1745 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1747 2005-08-18 Jan Hubicka <jh@suse.cz>
1750 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1751 info only for local statics, not for member variables.
1753 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1755 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1757 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1759 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1761 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1764 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1766 2005-08-17 James E Wilson <wilson@specifix.com>
1768 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1771 2005-08-17 David Edelsohn <edelsohn@gnu.org>
1773 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1774 (leu<mode>_compare): Same.
1775 (plus_leu<mode>): Same.
1776 (neg_leu<mode>): Same.
1777 (and_neg_leu<mode): Same.
1778 (ltu<mode>_compare): Same.
1779 (plus_ltu<mode>): Same.
1781 (geu<mode>_compare): Same.
1782 (plus_geu<mode>): Same.
1783 (neg_geu<mode>): Same.
1784 (and_neg_geu<mode>): Same.
1785 (plus_gt<mode>): Same.
1786 (gtu<mode>_compare): Same.
1787 (plus_gtu<mode>): Same.
1789 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
1791 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1792 Move call_table_data to end. Delete spurious .text.
1793 (callt_save_all_interrupt): Fix comment typo.
1795 2005-08-17 James E Wilson <wilson@specifix.com>
1796 Kevin Winchester <winchester@amirix.com>
1799 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1801 2005-08-17 Uros Bizjak <uros@kss-loka.si>
1804 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1805 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1807 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1809 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1810 record with the type of its only member if the modes don't match.
1812 * varasm.c (decode_reg_name): Skip empty additional register names.
1814 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1816 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1817 lsm_tmp_name_length): New.
1818 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1819 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1821 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1822 Andreas Krebbel <krebbel1@de.ibm.com>
1824 * config.gcc: Added z9-109 switch.
1825 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1826 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1827 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1828 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1829 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1830 for "z9_109" cpu attribute.
1831 * config/s390/s390.c (z9_109_cost): New processor cost structure.
1832 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1833 (s390_handle_arch_option): Added z9-109 switch.
1834 (override_options): Set respective cost function for z9-109.
1835 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1836 (legitimate_reload_constant_p): Accept extended immediates.
1837 (print_operand): Three new output modifiers added: k, m and o.
1838 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1839 (s390_output_mi_thunk): Use extended immediate when possible.
1840 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1841 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1842 (CONSTRAINT_LEN): Added length of O constraint.
1843 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1844 * config/s390/s390.md ("cpu"): New value z9_109 added.
1845 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1846 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1847 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1848 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1849 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1850 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1851 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1852 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1853 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1854 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1855 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1856 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1857 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1858 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1859 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1861 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1862 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1863 insns for TARGET_EXTIMM.
1865 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
1867 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1869 2005-08-17 Nick Clifton <nickc@redhat.com>
1871 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1872 Call default_encode_section_info.
1874 2005-08-17 Steven Bosscher <stevenb@suse.de>
1876 PR tree-optimization/21574
1877 * tree-ssa-ccp.c (likely_value): If the right hand side is a
1878 constant, return CONSTANT.
1879 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1880 (ccp_fold, visit_assignment): Likewise.
1881 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1883 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1885 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1886 fold_buildN instead of buildN then fold_initializer or fold.
1887 (build_unary_op): Likewise.
1888 (build_binary_op): Likewise.
1889 * fold-const.c (fold_initializer): Remove.
1890 (fold_build1_initializer): New function.
1891 (fold_build2_initializer): New function.
1892 (fold_build3_initializer): New function.
1893 * tree.h (fold_initializer): Remove.
1894 (fold_build1_initializer): New function.
1895 (fold_build2_initializer): New function.
1896 (fold_build3_initializer): New function.
1898 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1900 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1901 (try_move_mult_to_index): Call fold_build2 instead of build2.
1902 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1903 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1904 fold_binary_to_constant.
1905 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1907 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1908 check if A == gcd (A, B). Remove TYPE argument.
1909 (analyze_offset) Use fold_build2 instead of fold (build.
1910 (create_data_ref): Likewise.
1911 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1912 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1915 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
1917 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1918 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1920 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
1923 * gimplify.c (zero_sized_type): New function.
1924 (gimplify_modify_expr_rhs): If we have a zero sized type,
1925 replace the statement with an empty statement.
1927 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
1929 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1932 2005-08-16 Ian Lance Taylor <ian@airs.com>
1934 * doc/tm.texi (Label Output): Correct typo.
1936 2005-08-16 Steven Bosscher <stevenb@suse.de>
1939 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1940 force_operand will work later on using have_insn_for.
1942 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1944 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1946 2005-08-16 Ian Lance Taylor <ian@airs.com>
1949 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1950 vector type, don't try to construct it element by element. Add an
1951 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1953 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1955 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1957 2005-08-16 Geoffrey Keating <geoffk@apple.com>
1959 * doc/invoke.texi (Precompiled Headers): Document some more options
1960 which are known to be safe.
1962 2005-08-16 James E Wilson <wilson@specifix.com>
1964 PR tree-optimization/21105
1965 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1966 TREE_OVERFLOW check.
1968 2005-08-16 David Edelsohn <edelsohn@gnu.org>
1970 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1971 (neg_ltu<mode>): Same.
1973 (neg_gtu<mode>): Same.
1975 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1977 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1978 (fold_builtin_isdigit): Use fold_buildN.
1979 (build_function_call_expr): Likewise.
1980 * c-typeck.c (c_finish_loop): Likewise.
1982 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
1983 Richard Shann <rshann@superh.com>
1985 PR middle-end/20396:
1986 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1988 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
1990 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1992 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
1995 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1996 arm_compure_save_reg0_reg12_mask to determine when the PIC register
1999 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2002 * fold-const.c (build_range_check): Disable optimization for function
2003 pointer expressions on targets that require function pointer
2006 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2008 * simplify-rtx.c (simplify_const_relational_operation): When
2009 extracting arguments of a COMPARE, recompute the mode as well.
2011 2005-08-15 Ian Lance Taylor <ian@airs.com>
2013 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2015 2005-08-15 DJ Delorie <dj@redhat.com>
2017 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2019 (movsi_splittable): Allow, but split, moves to the stack.
2020 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2023 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2025 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2026 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2027 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2029 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2030 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2031 Delete HOST_PTR_PRINTF.
2033 * configure, config.in: Regenerate.
2035 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2037 * config/rs6000/rs6000.md (QHSI): New mode macro.
2038 (wd): Extend mode attr for QImode and HImode
2039 (dbits): New mode attr.
2040 (zero_extend<mode>di2): Convert to mode macro.
2042 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2045 * doc/invoke.texi (-mgnu-ld): Update description.
2048 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2051 * Makefile.in (tree-chrec.o): Depends on real.h.
2052 * tree-chrec.c: Include real.h.
2053 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2054 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2055 * tree-scalar-evolution.c (add_to_evolution_1,
2056 interpret_rhs_modify_expr): Ditto.
2058 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2061 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2062 step is negative compute the estimation from init downwards to zero.
2064 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2066 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2068 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2070 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2072 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2073 Accept double-word constants that can be split.
2074 * config/s390/s390.md ("movti"): Use 'P' constraint.
2075 ("*movdi_31", "*movdf_31"): Likewise.
2077 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2079 Fix PR tree-optimization/22615
2081 * tree-ssa-structalias.c (solution_set_add): Handle
2082 first_vi_for_offset returning NULL.
2083 (do_da_constraint): Ditto.
2084 (do_sd_constraint): Ditto.
2085 (do_ds_constraint): Ditto
2086 (find_func_aliases): Ditto.
2087 (build_constraint_graph): RHS is allowed be ANYTHING.
2088 (first_vi_for_offset): Return NULL if we couldn't find anything at
2091 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2093 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2094 over memory as first operand.
2096 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2099 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2100 available for setting it.
2102 2005-08-14 Ira Rosen <irar@il.ibm.com>
2104 PR tree-optimization/23320
2105 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2106 data-refs' types instead of base object nullness. Add check for
2107 pointer type data-refs before first location comparison. Remove
2110 2005-08-14 Andreas Schwab <schwab@suse.de>
2112 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2114 2005-08-13 James E Wilson <wilson@specifix.com>
2116 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2117 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2118 -fstack-protector-all, --param ssp-buffer-size): Document.
2119 (-Wvariadic-macros): Alphabetize.
2120 (-fsched-stalled-insns-dep): Add missing 'f'.
2122 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2125 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2127 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2128 or indirect address operand.
2129 (EXTRA_ADDRESS_CONSTRAINT): New.
2130 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2132 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2134 PR tree-optimization/22236
2135 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2136 successors and predecessors.
2137 * tree-chrec.c (chrec_convert): Before converting, check that
2138 sequences don't wrap.
2139 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2140 (analyze_array): Extern.
2141 (find_data_references_in_loop): Remove call to
2142 compute_estimated_nb_iterations.
2143 * tree-data-ref.h (analyze_array): Declared.
2144 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2145 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2146 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2147 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2149 * tree-ssa-loop-ivcanon.c: Fix documentation.
2150 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2151 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2152 (infer_loop_bounds_from_undefined): New.
2153 (estimate_numbers_of_iterations_loop): Use
2154 infer_loop_bounds_from_undefined.
2155 (used_in_pointer_arithmetic_p): New.
2156 (scev_probably_wraps_p): Pass an extra parameter. Call
2157 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2158 (convert_step): Fix documentation.
2159 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2160 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2161 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2162 scev_probably_wraps_p.
2164 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2166 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2167 (s390_register_info): Ignore clobbered_regs information for fixed
2168 registers, and only fixed registers.
2169 (s390_init_frame_layout): Remove redundant call.
2171 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2173 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2174 description of -Wold-style-casts.
2176 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2177 Jakub Jelinek <jakub@redhat.com>
2179 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2180 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2181 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2182 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2183 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2184 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2185 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2186 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2187 ("stack_protect_set", "stack_protect_test"): New expanders.
2188 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2189 "stack_protect_testdi"): New insn definitions.
2191 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2193 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2195 2005-08-12 Paul Brook <paul@codesourcery.com>
2197 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2199 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2201 * config/s390/predicates.md (setmem_operand): New predicate.
2202 (shift_count_operand): Accept ANDs with special constants as
2204 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2205 with special constants.
2206 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2207 shift_count_operand with setmem_operand.
2209 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2211 * config/s390/s390.c (s390_extract_part, s390_single_part):
2213 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2214 (s390_output_mi_thunk): Don't use lg on 31 bit.
2215 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2216 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2218 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2220 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2221 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2222 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2223 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2224 with one of the new macros.
2226 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2228 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2229 Don't set save_return_addr_p.
2230 (s390_register_info): Make clobbered_regs not depending on
2233 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2235 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2236 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2238 2005-08-11 James E. Wilson <wilson@specifix.com>
2240 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2242 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2244 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2245 locations gathered by var-tracking in single entry loc_list
2246 over loc_descriptor_from_tree.
2248 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2249 pass it down to loc_descriptor.
2250 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2251 (containing_function_has_frame_base): Move earlier in the file.
2252 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2253 instead of always assuming fbreg can't be used.
2255 2005-08-11 David Edelsohn <edelsohn@gnu.org>
2257 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2258 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2259 Accept address wrapped in AND for Altivec.
2260 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2261 Strip AND wrapping offset address for Altivec.
2263 2005-08-11 Richard Henderson <rth@redhat.com>
2266 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2267 before using TYPE_IS_SIZETYPE.
2269 2005-08-11 Richard Henderson <rth@redhat.com>
2272 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2273 insn types not present on ev4.
2274 (alphaev5_insn_pipe): Similarly.
2276 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2279 * arm.c (arm_override_options): If the user has selected callee-super-
2280 interworking, then enable normal interworking.
2282 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2284 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2287 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2289 * doc/rtl.texi: Fix two typos.
2291 2005-08-11 Richard Guenther <rguenther@suse.de>
2294 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2295 cases where we call to/from functions returning void.
2297 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
2300 * tree.c (build_pointer_type_for_mode): Robustify.
2302 2005-08-10 James E Wilson <wilson@specifix.com>
2304 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2305 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2307 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2310 2005-08-10 Eric Christopher <echristo@apple.com>
2312 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2313 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2316 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
2319 * config/darwin.c (machopic_indirect_data_reference): Use a new register
2320 for the high part when generating dynamic-no-pic code.
2322 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
2324 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2325 (x86_64-*-linux*): Likewise.
2327 * config/i386/crtfastmath.c: New file.
2328 * config/i386/t-crtfm: Likewise.
2330 * config/i386/linux.h (ENDFILE_SPEC): New.
2331 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2333 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2336 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
2338 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2339 (vec_shl, vec_shr): Document new operations.
2340 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2342 2005-08-10 David Edelsohn <edelsohn@gnu.org>
2344 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2345 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2346 change predicate to indexed_or_indirect_address.
2348 2005-08-10 Richard Sandiford <richard@codesourcery.com>
2350 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2351 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2352 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2353 and __aeabi_uwrite8.
2354 * config/arm/unaligned-funcs.c: New file.
2355 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2357 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
2359 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2361 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2362 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2364 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2365 * final.c (pass_shorten_branches): Add dump.
2366 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2367 (pass_life): Rename dump.
2368 (rest_of_handle_flow2): Remove initial verify_flow_info.
2369 * function.c (pass_instantiate_virtual_regs): Add dump.
2370 * integrate.c (pass_initial_value_sets): Add dump.
2371 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2372 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2373 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2374 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2375 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2376 gate_rtl_unrool_and_peel_loops): New.
2377 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2378 rtl_doloop): Do not look at flags.
2379 * mode-switching.c (pass_mode_switching): Add dump.
2380 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2381 pass_split_before_regstack): Add dump.
2382 * regmove.c (pass_stack_adjustments): Add dump.
2383 * tree-optimize.c (pass_fixup_cfg): Add dump.
2385 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2388 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2389 deciding which instruction sequence to use.
2391 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2393 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2394 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2396 2005-08-09 Richard Guenther <rguenther@suse.de>
2398 * c-common.c (builtin_function_2): Remove.
2399 (def_builtin_1): New function.
2400 (c_common_nodes_and_builtins): Use def_builtin_1 to
2401 build builtin functions.
2403 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2405 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2406 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2407 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2410 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2412 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2413 fold_binary instead of fold_build2 since we don't care about the
2415 (loop_niter_by_eval): Likewise.
2416 (compare_trees): Likewise.
2417 (proved_non_wrapping_p): Likewise.
2419 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2423 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2424 if the if is really empty.
2426 2005-08-09 Steven Bosscher <stevenb@suse.de>
2428 PR tree-optimization/23234
2429 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2430 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2431 argument of the new enum.
2432 (execute_cse_reciprocals): Add reciprocals for function arguments
2433 on the unique successor edge of the entry block. Update other calls
2434 to execute_cse_reciprocals_1.
2436 2005-08-08 Richard Henderson <rth@redhat.com>
2439 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2441 2005-08-08 Bob Wilson <bob.wilson@acm.org>
2443 * expr.c (write_complex_part): Return after handling MEM.
2445 2005-08-08 Josh Conner <jconner@apple.com>
2447 PR rtl-optimization/23241
2448 * combine.c (simplify_comparison): Fix error in determining
2449 whether to lift a subreg from comparison.
2451 2005-08-08 David Edelsohn <edelsohn@gnu.org>
2454 * config/rs6000/altivec.md (vec_init<mode>): New.
2455 (vec_set<mode>): New.
2456 (vec_extract<mode>): New.
2457 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2458 (rs6000_expand_vector_set): New.
2459 (rs6000_expand_vector_extract): New.
2460 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2461 for Altivec modes before reload.
2462 (altivec_expand_vec_init_builtin): New.
2463 (get_element_number): New.
2464 (altivec_expand_vec_set_builtin): New.
2465 (altivec_expand_vec_ext_builtin): New.
2466 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2468 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2470 * config/rs6000/rs6000.h (rs6000_builtins): Add
2471 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2472 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2473 * config/rs6000/rs6000-protos.h: Declare new functions.
2475 2005-08-08 Jan Hubicka <jh@suse.cz>
2477 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2478 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2479 * i386.md (movdi*): Use pic_32bit_operand.
2480 * predicates.md (pic_32bit_operand): New.
2482 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
2485 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2487 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
2489 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2490 (test_for_singularity): Use fold_build2.
2492 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2494 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2496 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
2498 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2499 (COMMON_ASM_OP) Define.
2500 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2501 (ix86_encode_section_info): Likewise.
2502 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2503 SUBTARGET_ENCODE_SECTION_INFO.
2505 2005-08-06 Richard Henderson <rth@redhat.com>
2508 * tree-nested.c (convert_local_reference): Save and restore val_only
2509 around component_ref and friends. Clear walk_subtrees by default.
2511 2005-08-06 Peter O'Gorman <peter@pogma.com>
2514 * gcc.c (process_command): Check the argument to -b has a dash.
2515 * doc/invoke.texi: Update -b and -V docs.
2517 2005-08-06 James E Wilson <wilson@specifix.com>
2519 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2521 2005-08-06 Michael Matz <matz@suse.de>
2523 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2524 member only if only one insn is associated with the value.
2526 2005-08-06 Nick Clifton <nickc@redhat.com>
2528 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2530 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2531 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2532 Check symbol flags instead of symbol name mangling.
2533 (xstormy16_asm_output_aligned_common): Likewise. Also
2534 simplify code since the bss100_section cass is the only case
2535 where the below100 code will be triggered.
2536 (xstormy16_encode_section_info): Encode below100 attribute
2537 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2539 (xstormy16_strip_name_encoding): Delete - this function is no
2541 (TARGET_STRIP_NAME_ENCODING): Undefine.
2542 * config/stormy16/stormy16-protos.h: Delete prototype for
2543 xstormy16_strip_name_encoding.
2545 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
2547 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2548 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2549 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2550 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2551 config/alpha/predicates.md, config/arc/arc.h,
2552 config/arm/arm.h, config/arm/ieee754-df.S,
2553 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2554 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2555 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2556 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2557 config/m68hc11/m68hc11.h, config/mips/mips.c,
2558 config/mips/mips.h, config/mips/openbsd.h,
2559 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2560 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2561 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2562 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2563 config/sparc/linux.h, config/sparc/linux64.h,
2564 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2565 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2566 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2567 typos. Follow spelling conventions.
2569 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2572 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2573 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2574 specially. Check for side effects only for COND_EXPR.
2575 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2576 return with TREE_NO_WARNING.
2578 2005-08-06 Richard Sandiford <richard@codesourcery.com>
2580 PR rtl-optimization/23233
2581 * loop.c (combine_movables): Require the modes to be the same.
2582 (move_movables): Remove handling of cases where the replacement
2583 had a different mode to the original.
2585 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
2587 PR tree-optimization/23128
2588 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2589 subtraction wrap, and set TREE_OVERFLOW if they do.
2591 2005-08-05 Richard Henderson <rth@redhat.com>
2594 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2595 FORCED_LABEL labels.
2597 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2600 * reload.c (find_reloads_subreg_address): Pass down TYPE
2601 unchanged. Change all callers except find_reloads_toplev.
2603 2005-08-05 Michael Matz <matz@suse.de>
2605 * genattrtab.c (current_alternative_string): Remove.
2606 (SIMPLIFY_ALTERNATIVE): Ditto.
2607 (attr_alt_bit_p): Ditto.
2608 (alternative_name): Make const char *.
2609 (evaluate_eq_attr): Remove use of above things.
2610 (simplify_test_exp): Ditto.
2611 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2612 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2614 2005-08-04 James E Wilson <wilson@specifix.com>
2616 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2617 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2618 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2619 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2620 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2622 2005-08-04 Richard Henderson <rth@redhat.com>
2625 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2626 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2627 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2628 if we'd have to instantiate too many members.
2630 2005-08-04 Richard Henderson <rth@redhat.com>
2633 * tree-outof-ssa.c (coalesce_asm_operands): New.
2634 (coalesce_ssa_name): Use it. Split out ...
2635 (coalesce_phi_operands, coalesce_result_decls): ... these.
2637 2005-08-04 Paul Brook <paul@codesourcery.com>
2639 * read-rtl.c (read_quoted_string): Break if EOF.
2641 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2643 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2644 (fold_build2): Likewise.
2645 (fold_build3): Likewise.
2646 (fold_build1_stat): New function prototype.
2647 (fold_build2_stat): Likewise.
2648 (fold_build3_stat): Likewise.
2649 * fold-const.c (fold_build1): Rename to ..
2650 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2651 through to build1_stat.
2652 (fold_build2): Rename to ..
2653 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2654 through to build2_stat.
2655 (fold_build3): Rename to ..
2656 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2657 through to build3_stat.
2659 2005-08-04 David Edelsohn <edelsohn@gnu.org>
2660 Ian Lance Taylor <ian@airs.com>
2662 * function.c (assign_stack_local_1): Do not correct stack slot
2663 address if allocation size is smaller than mode size.
2665 2005-08-04 Diego Novillo <dnovillo@redhat.com>
2668 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2669 (tree_merge_blocks): Propagate anything allowed by
2671 Clarify documentation.
2672 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2673 SSA form, schedule an update if necessary.
2675 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2677 * doc/install.texi (Binaries): Remove broken link to
2678 Sinix/Reliant Unix binaries.
2680 2005-08-03 Richard Henderson <rth@redhat.com>
2683 * function.c (stack_protect_epilogue): Export.
2684 * tree.h (stack_protect_epilogue): Declare.
2685 * calls.c (expand_call): Call it.
2687 2005-08-03 Eric Christopher <echristo@apple.com>
2689 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2690 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2693 2005-08-04 Jan Hubicka <jh@suse.cz>
2695 * profile.c (branch_prob): Split edges with goto locus on them
2696 to get proper line counts.
2697 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2699 2005-08-03 Paul Brook <paul@codesourcery.com>
2701 * function.c (assign_parms): Round current_function_args_size
2702 to PARM_BOUNDARY, not STACK_BOUNDARY.
2704 2005-08-03 Geoffrey Keating <geoffk@apple.com>
2706 * config/i386/i386.c (x86_elf_aligned_common)
2707 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2709 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2711 PR tree-optimization/23157
2712 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2713 before emitting them.
2715 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2717 PR tree-optimization/19899
2718 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2719 * tree-scalar-evolution.c: Include real.h.
2720 (add_to_evolution): Build constant -1 of correct type.
2722 2005-08-03 Jan Hubicka <jh@suse.cz>
2724 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2725 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2726 profile updating for complette unrolling.
2727 * loop-unroll.c (peel_loop_completely): Use it.
2728 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2729 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2732 2005-08-03 Paul Brook <paul@codesourcery.com>
2734 * combine.c (can_change_dest_mode): New function.
2735 (try_combine, simplify_set): Use it.
2737 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2739 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2742 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2744 * doc/install.texi (Specific): Adjust link to openavr.org.
2745 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2746 (Binaries): Adjust HP-UX Porting Center link.
2747 (Binaries): Adjust Free Software Foundation ordering link.
2749 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2751 * convert.c (convert_to_integer): Use fold_build1 instead of
2752 build1 when converting an integer to an integer.
2754 2005-08-02 Richard Henderson <rth@redhat.com>
2756 * combine.c (combine_instructions): Don't use reg_equal/equiv
2757 results if the mode doesn't match.
2759 2005-08-02 Mark Mitchell <mark@codesourcery.com>
2761 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2762 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2764 2005-08-02 Richard Henderson <rth@redhat.com>
2767 * explow.c (memory_address): Remove special-case for
2768 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2770 2005-08-02 Diego Novillo <dnovillo@redhat.com>
2773 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2774 number of calls to cleanup_tree_cfg_1.
2776 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2778 * doc/invoke.texi: document file extensions .F90 and .F95
2780 2005-08-02 Richard Guenther <rguenther@suse.de>
2782 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2783 positive if its first argument is positive.
2785 2005-08-02 Richard Guenther <rguenther@suse.de>
2787 PR tree-optimization/23177
2788 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2791 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
2793 PR tree-optimization/23129
2794 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2795 varying for divisions with anti-ranges.
2797 2005-08-02 Jan Hubicka <jh@suse.cz>
2799 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2800 * tree-ssa-threadupdate.c (thread_block): Add it here.
2802 2005-08-01 James E Wilson <wilson@specifix.com>
2804 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2805 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2806 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2808 * config/mips/predicates.md (const_call_insn_operand): Add check for
2809 SYMBOL_REF_LONG_CALL_P.
2810 * doc/extend.texi (long_call): Document the new attribute.
2812 2005-08-01 Ian Lance Taylor <ian@airs.com>
2813 Richard Henderson <rth@redhat.com>
2815 * Makefile.in (RTL_BASE_H): Add real.h.
2816 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2818 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2820 * rtl.c (rtl_check_failed_code_mode): New.
2821 * rtl.h (struct rtx_def): Add u.rv.
2822 (XCMWINT, XCNMPRV): New.
2823 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2824 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2826 2005-08-01 Richard Henderson <rth@redhat.com>
2828 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2829 with auto-inc codes.
2831 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2833 2005-08-01 Jan Hubicka <jh@suse.cz>
2835 * i386-protos.h (asm_preferred_eh_data_format): Declare.
2836 * i386.c: Include dwarf2.h
2837 (asm_preferred_eh_data_format): New.
2838 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2840 2005-08-01 Ian Lance Taylor <ian@airs.com>
2842 * config/host-linux.c (linux_gt_pch_get_address): Add new name
2843 randomize_va_space for virtual address randomization control.
2845 2005-08-01 Steven Bosscher <stevenb@suse.de>
2847 * common.opt (flag_ipa_cp): Put in right place to maintain
2850 2005-08-01 Jan Hubicka <jh@suse.cz>
2852 * profile.c (compute_value_histograms): Fix thinko.
2853 * value-prof.c: Include toplev.h
2854 (check_counter): New function.
2855 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2856 tree_mod_subtract_transform): Add sanity check.
2858 2005-08-01 Richard Guenther <rguenther@suse.de>
2860 PR tree-optimization/23133
2861 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2862 current functions parameter decls to find defs to cse
2865 2005-08-01 Richard Guenther <rguenther@suse.de>
2867 PR tree-optimization/23109
2868 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2869 If trapping math is in effect, use post-dominator information
2870 to check if we'd in any case reach a trapping point before
2871 doing the reciprocal insertion.
2872 (execute_cse_reciprocals): Compute post-dominators, if necessary.
2873 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2874 expressions are invariant only if trapping math is not in effect.
2876 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2878 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2879 cgraph_function_versioning): New declarations.
2880 * cgraphunit.c: Add include to ipa-prop.h.
2881 (update_call_expr, cgraph_copy_node_for_versioning,
2882 cgraph_function_versioning): New functions.
2883 * integrate.c (copy_decl_for_inlining): Remove.
2884 * ipa-prop.h (ipa_replace_map): New struct.
2885 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2886 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2887 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2888 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2889 ipcp_iterate_stage, ipcp_method_scale_print,
2890 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2891 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2892 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2893 ipcp_update_bb_counts, ipcp_update_profiling,
2894 ipcp_update_edges_counts): New functions.
2895 (ipcp_method_cval_init): Remove restriction regarding local methods.
2896 (ipcp_init_stage): Add ipcp_method_compute_scale.
2897 (ipcp_insert_stage): Add versioning.
2898 (ipcp_structures_print): Add ipcp_method_scale_print.
2899 (ipcp_driver): Dump profiling info.
2900 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2901 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2902 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2903 (struct inline_data): Add versioning_p, ipa_info, new fields.
2904 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2905 declare_return_variable): Replace calls to copy_decl_for_inlining with
2907 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2909 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2910 Add argument VERSIONING.
2911 (copy_arguments_for_versioning, copy_static_chain,
2912 function_versionable_p, tree_versionable_function_p,
2913 tree_function_versioning, replace_ref_tree): New functions.
2914 * tree-inline.h: Include varray.h.
2915 (tree_versionable_function_p, tree_function_versioning,
2916 tree copy_decl_for_dup): New declarations.
2918 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2920 * ipa-cp.c: New file. Contains IPCP specific functionality.
2921 * ipa-prop.h: New file. Contains structures/definitions that can be
2922 used by several interprocedural data flow optimizations (and also IPCP).
2923 * ipa-prop.c: New file.
2924 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2925 * common.opt: Add ipa-cp flag.
2926 * timevar.def: Add IPCP optimization.
2927 * tree-optimize.c (init_tree_optimization_passes): Schedule
2929 * tree-pass.h (pass_ipa_cp): Declare.
2931 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
2933 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2934 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2935 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2936 config/i386/i386.c, config/mips/mips.h,
2937 config/rs6000/rs6000.h, config/sh/sh.c,
2938 config/stormy16/stormy16.c: Fix comment typos.
2940 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
2943 * c-typeck.c (build_binary_op): Use common_type wrapper on
2945 (common_type): Update comment.
2947 2005-07-31 Steven Bosscher <stevenb@suse.de>
2950 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2951 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2952 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2954 2005-07-31 Jan Hubicka <jh@suse.cz>
2956 * pretty-print.h (pp_widest_integer): New macro.
2957 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2960 2005-07-31 Jan Hubicka <jh@suse.cz>
2962 * output.h (enum section_category): Export from varasm.c
2963 (categorize_decl_for_section): Likewise.
2964 * varasm.c (enum section_category): Kill.
2965 (categorize_decl_for_section): Make global.
2966 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2968 * i386.c (ix86_section_threshold): New static variable.
2969 (ix86_in_large_data_p, ix86_encode_section_info,
2970 x86_64_elf_unique_section,
2971 x86_64_elf_select_section): New functions.
2972 (TARGET_ENCODE_SECTION_INFO): Define
2973 (override_options): Enable medium model for PIC.
2974 (ix86_expand_prologue): Expand gen_set_got_rex64.
2975 (legitimate_constant_p): Handle new UNSPECs.
2976 (legitimate_pic_address_disp_p): Likewise.
2977 (legitimize_pic_address): Lower MEDIUM model addressing.
2978 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2979 (enum cmodel): Add MEDIUM_PIC.
2980 (SYMBOL_REF_FAR_ADDR_P): New macro.
2981 (SYMBOL_FLAG_FAR_ADDR): New flag.
2982 * i386.md (movdi): Support medium model.
2983 (set_got_rex64): New pattern.
2984 * i386.opt (mlarge-data-threshold): New flag.
2985 * predicates.md (zext_operand/sext_operand): Deal with medium model.
2986 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2987 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2988 TARGET_ASM_UNIQUE_SECTION): New.
2990 * invoke.texi (-mlarge_data_threshold): Document
2992 2005-07-31 Jan Hubicka <jh@suse.cz>
2994 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2995 (coalesce_vars): Likewise.
2996 * tree-ssa-live.c (coalesce_cost): New.
2997 (build_tree_conflict_graph): Use coalesce_cost.
2998 * tree-ssa-live.h (coalesce_cost): Declare.
3000 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3002 * arm.md (all peepholes for post-increment operations): Delete.
3003 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3004 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3005 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3006 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3007 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3009 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3011 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3014 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3017 * doc/invoke.texi: Document -rdynamic.
3019 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3022 * c-parser.c (c_parser_parms_list_declarator): Call
3023 mark_forward_parm_decls.
3024 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3025 decls with visibility structure.
3027 2005-07-30 Paul Brook <paul@codesourcery.com>
3029 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3031 2005-07-30 Paul Brook <paul@codesourcery.com>
3033 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3035 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3037 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3039 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3042 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3043 nested function declarators.
3044 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3045 (grokparms): Call warn_if_shadowing for parameters used within the
3047 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3048 not used within the parameter list.
3049 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3051 2005-07-30 Jan Hubicka <jh@suse.cz>
3053 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3054 * i386.c (ix86_fixup_binary_operands): Likewise.
3055 (ix86_expand_unary_operator): Likewise.
3056 (ix86_expand_fp_absneg_operator): Likewise.
3057 * optabs.c (expand_vec_cond_expr): Validate dest.
3059 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3062 * real.c (real_from_string): Also set last bit if there is a
3063 nonzero hex digit beyond GCC's internal precision after ".".
3065 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3067 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3068 define_constants. Change duplicate values to unassigned numbers.
3069 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3070 (*altivec_vspltsf): New.
3071 (altivec_vperm_v4sf): Delete.
3072 (altivec_vperm_<mode>): Use mode macro V.
3073 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3074 (altivec_predicate_v4sf): Delete.
3075 (altivec_predicate_<mode>): Use mode macro V.
3076 (*altivec_lvesfx): New.
3077 (*altivec_stvesfx): New.
3078 (vec_realign_load_v4sf): Delete.
3079 (vec_realign_load_<mode>): Use mode macro V.
3080 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3083 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3086 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3088 * configure: Regenerated.
3090 2005-07-29 Paul Brook <paul@codesourcery.com>
3092 * doc/install.texi: Add link to GFortran binaries wiki page.
3094 2005-07-29 David Ung <davidu@mips.com>
3096 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3097 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3098 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3099 * config/mips/mips.md (cpu): Add 5kf name.
3100 (includes): Includes 5k.md.
3101 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3102 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3105 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3108 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3109 (cleanup_tree_cfg): ... here.
3110 Call cleanup_tree_cfg_1 until there are no more cleanups to
3113 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3115 * tree-vrp.c (compare_range_with_value): Return true or false
3116 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3117 EQ_EXPR respectively.
3119 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3121 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3124 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3126 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3127 (tree_ssa_dominator_optimize): Increment it.
3128 (dump_dominator_optimization_stats): Print it.
3130 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3131 Steven Bosscher <stevenb@suse.de>
3133 PR rtl-optimization/23117
3134 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3135 when head == tail. Tidy comment.
3137 2005-07-28 Richard Henderson <rth@redhat.com>
3139 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3140 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3141 * jump.c (rtx_renumbered_equal_p): Likewise.
3142 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3143 CONST_INT and CONST_DOUBLE.
3144 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3145 * reload.c (operands_match_p): Special case CONST_INT and
3146 CONST_DOUBLE; check mode earlier.
3148 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3151 * c-typeck.c (convert_for_assignment): Do not check
3152 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3154 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3157 * c-typeck.c (composite_type): Prefer constant size arrays to
3160 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3163 * real.c (real_from_string): Set last bit if there is a nonzero
3164 hex digit beyond GCC's internal precision.
3166 2005-07-28 Richard Henderson <rth@redhat.com>
3169 * cfgcleanup.c (try_forward_edges): Watch out for end of
3172 2005-07-28 James E Wilson <wilson@specifixinc.com>
3175 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3177 2005-07-28 Jan Hubicka <jh@suse.cz>
3179 * Makefile.in (rtl-profile.o): Kill all traces of it.
3180 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3181 * coverage.h (rtl_coverage_counter_ref): Kill.
3182 * opts.c (flag_speculative_prefetching_set): Kill.
3183 (flag_loop_optimize_set): New.
3184 (common_handle_option): Disable loop optimizer when profiling;
3185 do not handle speculative prefetching.
3186 * passes.c (init_optimization_passes): Replace pass_profiling combo
3187 by branch_prob pass.
3188 * profile.c (compute_value_histograms): Update for simplified value
3190 (rtl_register_profile_hooks): Kill.
3191 (pass_profiling): Kill.
3192 (rest_of_handle_branch_prob): Do not profile.
3193 * toplev.c (process_options): Remove speculative prefetching.
3194 * toplev.h (flag_tree_based_profiling): Kill.
3195 * tree-profile.c (prepare_instrumented_value,
3196 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3197 tree_gen_one_value_profiler, do_tree_profiling): Update for
3198 simplified datastructures.
3199 * value-prof.c: Add comment that speculative prefetching was dropped;
3200 update rest of file for simplified datastructures.
3201 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3202 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3203 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3204 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3205 rtl_mod_subtract, gen_speculative_prefetch,
3206 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3207 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3208 (gate_handle_value_profile_transformations,
3209 rest_of_handle_value_profile_transformations,
3210 pass_value_profile_transformations): Kill.
3211 * value-prof.h (histogram_value_t): Remove IL based unions.
3212 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3213 rtl_profile_hooks): Remove hooks.
3215 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3217 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3218 (cgraph_clone_node): Likewise.
3219 * cgraph.h (cgraph_clone_edge): Update prototype.
3220 (cgraph_clone_node): Likewise.
3221 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3223 (lookup_recursive_calls): Consider profile.
3224 (cgraph_decide_recursive_inlining): Fix updating; use new
3225 probability argument; use profile.
3226 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3227 * tree-inline.c (copy_bb): Update clal of clone_edge.
3228 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3230 * invoke.texi (min-inline-recursive-probability): Document.
3232 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3234 * doc/install.texi (Configuration): Update Valgrind homepage.
3236 2005-07-28 Richard Henderson <rth@redhat.com>
3239 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3240 labels we want to delete.
3241 (cfg_layout_merge_blocks): Likewise.
3243 2005-07-28 Richard Henderson <rth@redhat.com>
3246 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3247 when expanding to nothing.
3249 2005-07-28 Josh Conner <jconner@apple.com>
3251 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3252 (cgraph_decide_inlining_of_small_functions): Likewise.
3254 2005-07-28 Josh Conner <jconner@apple.com>
3256 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3257 direction of badness if negative.
3258 (cgraph_default_inline_p): Add reason to parameters, and assign it
3260 (cgraph_decide_inlining_of_small_functions): New parameter in call
3261 to cgraph_default_inline_p.
3262 (cgraph_decide_inlining_incrementally): Likewise.
3263 * cgraphunit.c (decide_is_function_needed): Likewise.
3264 * cgraph.h (cgraph_default_inline_p): Likewise.
3266 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3268 * builtins.c: Fix comment typo(s).
3269 * genautomata.c: Likewise.
3270 * gimplify.c: Likewise.
3271 * tree-dfa.c: Likewise.
3272 * tree-flow-inline.h: Likewise.
3273 * tree-into-ssa.c: Likewise.
3274 * tree-ssa-alias.c: Likewise.
3275 * tree-ssa-ccp.c: Likewise.
3276 * tree-ssa-copy.c: Likewise.
3277 * tree-ssa-dce.c: Likewise.
3278 * tree-ssa-dom.c: Likewise.
3279 * tree-ssa-operands.c: Likewise.
3280 * tree-tailcall.c: Likewise.
3281 * tree-vectorizer.c: Likewise.
3282 * tree-vrp.c: Likewise.
3285 2005-07-28 Jeff Law <law@redhat.com>
3287 * tree-vrp.c (test_for_singularity): Extracted from ...
3288 (simplify_cond_using_ranges): Attempt to simplify a relational
3289 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
3291 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
3293 PR tree-optimization/22506
3294 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3295 phis whose argument is constant.
3297 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
3299 PR rtl-optimization/18992
3300 Back out this patch:
3301 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3302 PR optimization/12142
3303 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3304 uses of the register in the SET_SRC. Remove unnecessary argument.
3306 Replace it with this:
3307 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3308 if flag_non_call_exceptions is set and the insn may trap, pass
3309 pc_rtx as dest for recursion.
3310 In SET_SRC part of SET case, if dest is already set, pass it down
3313 2005-07-28 Jan Hubicka <jh@suse.cz>
3315 * cfg.c (update_bb_profile_for_threading): Use RDIV.
3316 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3317 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3319 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3320 profile when available.
3322 2005-07-28 Jan Beulich <jbeulich@novell.com>
3324 * config/ia64/ia64.c (ia64_load_pair_ok): New.
3325 (ia64_print_operand): Describe and handle 'X'.
3326 (ia64_register_move_cost): Also handle FP_REGS.
3327 (ia64_preferred_reload_class): Likewise.
3328 (ia64_secondary_reload_class): Likewise.
3329 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3330 it. Also check for ITANIUM_CLASS_FLDP.
3331 * config/ia64/ia64.h (FP_REGNO_P): New.
3332 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3333 (reg_class): Add FP_REGS.
3334 (REG_CLASS_NAMES): Adjust for it.
3335 (REG_CLASS_CONTENTS): Likewise.
3336 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3337 (REG_CLASS_FROM_LETTER): Handle 'x'.
3338 (CLASS_MAX_NREGS): Handle FP_REGS.
3339 (MEMORY_MOVE_COST): Likewise.
3340 * config/ia64/ia64.md (itanium_class): Add fldp.
3341 (type): Handle fldp.
3342 (movti_internal): More allowable operand combinations. Use ldfp8 when
3343 splitting unnecessary. Remove predicable attribute. Adjust
3344 itanium_class attribute.
3345 (smuldi3_highpart): Remove outdated comment.
3346 (mulditi3, umulditi3, rotlti3): New expanders.
3347 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3348 (absti2): Disabled new insn for future reference.
3349 Respective new splitters.
3350 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3351 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3352 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3354 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
3356 PR rtl-optimization/23047
3357 * simplify-rtx.c (simplify_const_relational_operation): Respect
3358 flag_wrapv for comparisons with ABS.
3360 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
3362 PR tree-optimization/22493
3363 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3364 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3366 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
3368 * config/frv/frv.opt (moptimize-membar): New.
3370 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3372 * config/frv/frv.h: Remove machine_function definition.
3374 * config/frv/frv.c (struct frv_io): New.
3375 (struct machine_function): Moved from frv.h. Add has_membar_p.
3376 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3377 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3378 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3379 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3380 (frv_reorg): Call frv_optimize_membar when appropriate.
3381 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3382 (frv_expand_builtin): Adjust calls accordingly.
3383 (frv_io_address_cookie): New function.
3384 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3385 load or store rather than a special insn. Add ccnstant address and
3386 io-type operands to the membar.
3387 (frv_ifcvt_modify_tests): Unsign regno.
3388 (frv_ifcvt_modify_tests): Same.
3390 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3391 UNSPEC_OPTIONAL_MEMBAR constant.
3392 (builtin_read_<mode>): Delete.
3393 (builtin_write_<mode>): Delete.
3394 ("optional_membar_<mode>"): Add operand.
3396 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3397 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3398 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3399 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3400 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3401 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3402 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3403 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3404 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3406 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3408 * df.c (df_uses_record): Handle SCRATCH.
3410 2005-07-28 Steven Bosscher <stevenb@suse.de>
3413 * passes.c (rest_of_decl_compilation): If decl is a type and
3414 we have encountered errors, don't emit debug information.
3416 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3418 * params.def: Fixed comment.
3420 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3423 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3424 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3425 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3427 2005-07-27 Steven Bosscher <stevenb@suse.de>
3430 * varasm.c (assemble_start_function): Don't do anything that may
3431 require a CFG if the current function is a thunk.
3433 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3435 * doc/install.texi (Prerequisites): Mention that perl is needed
3436 to do export control in libstdc++ targetting Darwin.
3438 2005-07-27 Steven Bosscher <stevenb@suse.de>
3440 PR rtl-optimization/17808
3441 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3442 (sched_insns_conditions_mutex_p): Split out from...
3443 (add_dependence): ...here. But don't call it from here.
3444 (add_dependence_list): Check sched_insns_conditions_mutex_p
3445 before calling add_dependence.
3446 (add_dependence_list_and_free): Likewise.
3447 (fixup_sched_groups): Likewise.
3448 (sched_analyze_1): Likewise.
3449 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3450 (sched_analyze): Likewise.
3451 (sched_analyze_insn): Likewise.
3452 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3453 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3454 dependencies on all COND_EXEC insns to jumps ending basic blocks
3455 when doing intrablock scheduling.
3456 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3458 2005-07-27 Jeff Law <law@redhat.com>
3460 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3461 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
3462 equivalency sets, correctly handle the case were vr0 has an
3463 equivalency set, but vr1 does not.
3465 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
3467 PR tree-optimization/23073
3468 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3469 vect_print_dump_info before fprintf.
3471 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3473 PR tree-optimize/22348
3474 * tree-ssa-loop-niter.c (number_of_iterations_cond):
3475 Fold the partial computation.
3477 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3479 PR tree-optimization/22325
3480 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3482 * tree-scalar-evolution.c (scev_const_prop): Add generic final
3484 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3485 (force_var_cost): ... this function.
3486 (compute_phi_arg_on_exit): Export.
3488 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3490 PR tree-optimization/20773
3491 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3494 2005-07-27 Richard Guenther <rguenther@suse.de>
3496 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3497 Avoid pushing again if current struct contains only
3498 fields we decomposed.
3500 2005-07-27 Jan Hubicka <jh@suse.cz>
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