1 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
4 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
5 case, define as macros.
7 PR rtl-optimization/23837
8 * optabs.c (no_conflict_move_test): Don't set must_stay for a
9 clobber / clobber match between dest and p->first.
11 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
12 (no_conflict_move_test): Update comments.
14 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
16 * doc/install.texi: Update URL for Jacks.
17 * doc/sourcebuild.texi: Likewise.
19 2005-09-22 David Edelsohn <edelsohn@gnu.org>
22 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
23 registers when choosing register preferences.
24 (movdf_hardfloat64): Same.
26 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
28 * expmed.c (expand_shift): Don't use the target of the rotate as
29 target for the first expanded shift insn.
30 * testsuite/gcc.dg/20050922-1.c: Testcase added.
32 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
34 PR tree-optimization/22438
35 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
36 preserved iv rhs rewriting specially.
38 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
40 * tree-data-ref.c (analyze_array_indexes): Only estimate when
41 estimate_only is true.
42 * tree-flow.h (ref_contains_indirect_ref): New prototype.
43 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
44 tree-ssa-structalias.c
45 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
46 ref_contains_indirect_ref.
47 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
49 2005-09-21 DJ Delorie <dj@redhat.com>
51 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
53 (mn10300_return_in_memory): Support variable size types also.
54 (mn10300_pass_by_reference): Likewise.
55 (mn10300_function_value): New.
56 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
57 (FUNCTION_OUTGOING_VALUE): Likewise.
58 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
59 * doc/invoke.texi: Document it.
61 2005-09-21 Uros Bizjak <uros@kss-loka.si>
64 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
65 force integer op1 into register for XFmode compares.
67 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
70 * expmed.c (alg_code): Add alg_impossible.
71 (alg_hash_entry): Add cost.
72 (synth_mult): Record alg_impossible in the hash table if
73 multiplication by a given integer is impossble within the
74 limit. Speed up using alg_impossible.
76 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
78 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
79 argument. Allow and set any offset if needs_anyoffset is passed
81 (get_constraint_for): Add argument here too.
83 (do_structure_copy): Pass NULL to get_constraint_for.
84 (handle_ptr_arith): Ditto.
85 (find_func_aliases): Ditto.
87 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
89 PR rtl-optimization/23898
90 * output.h (get_attr_min_length): Declare.
91 * final.c (get_attr_length_1): New function, broken out of:
93 (get_attr_min_length): New function.
94 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
95 (duplicate_computed_gotos): Likewise.
96 * genattr.c (insn_min_length): Generate declaration.
97 * genattrtab.c (min_fn, min_attr_value): New functions.
98 (make_length_attrs): Generate insn_min_length.
100 2005-09-20 Steve Ellcey <sje@cup.hp.com>
102 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
104 2005-09-20 Richard Henderson <rth@redhat.com>
106 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
109 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
111 * c.opt (fextended-identifiers): New.
112 * c-opts.c (c_common_handle_option): Handle
113 -fextended-identifiers.
114 * doc/cpp.texi: Update documentation of extended identifiers.
115 * doc/cppopts.texi (-fextended-identifiers): Document.
117 2005-09-20 Jakub Jelinek <jakub@redhat.com>
119 PR tree-optimization/23929
120 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
123 PR tree-optimization/23818
124 * tree-stdarg.c (execute_optimize_stdarg): Call
125 calculate_dominance_info.
127 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
129 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
130 (analyze_siv_subscript_cst_affine): Add weak SIV test.
131 (compute_overlap_steps_for_affine_1_2): Use
132 get_number_of_iters_for_loop.
133 (analyze_subscript_affine_affine): Check whether difference is
135 Use get_number_of_iters_for_loop.
136 Check whether overlap occurs outside of bounds.
137 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
139 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
141 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
142 base register if possible.
144 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
146 PR tree-optimization/18463
147 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
148 converting it directly is not possible.
149 (chrec_convert_aggressive): New function.
150 * tree-chrec.h (chrec_convert_aggressive): Declare.
151 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
152 Fold chrec conversions aggressively if asked to.
153 (instantiate_parameters): Modified because of changes in
154 instantiate_parameters_1.
156 2005-09-19 Richard Henderson <rth@redhat.com>
158 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
159 (reduc_splus_v2df): New.
161 2005-09-19 Richard Sandiford <richard@codesourcery.com>
163 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
164 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
166 2005-09-19 Richard Henderson <rth@redhat.com>
168 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
171 2005-09-19 Richard Henderson <rth@redhat.com>
173 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
174 (ia64_expand_dot_prod_v8qi): New.
175 * config/ia64/ia64-protos.h: Update.
176 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
177 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
178 sdot_prodv8qi, sdot_prodv4hi): New.
179 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
181 2005-09-19 Richard Henderson <rth@redhat.com>
184 * real.c (exact_real_truncate): Return false if the format cannot
185 represent the number as a normal.
187 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
190 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
192 * tree-ssa-operands.c (swap_tree_operands): Export.
193 * tree.h (swap_tree_operands): Declare.
194 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
195 Call swap_tree_operands.
197 2005-09-19 Richard Henderson <rth@redhat.com>
199 * tree-flow.h (merge_alias_info): Declare.
200 * tree-ssa-copy.c (merge_alias_info): Export.
201 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
202 (vect_create_data_ref_ptr): Use create_iv directly.
203 (vectorizable_load): Use correct types for integer constants.
204 (vect_generate_tmps_on_preheader): Likewise.
205 (vect_gen_niters_for_prolog_loop): Likewise.
207 2005-09-19 Steven Bosscher <stevenb@suse.de>
209 PR rtl-optimization/23943
210 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
212 2005-09-18 Jan Hubicka <jh@suse.cz>
214 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
216 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
218 * varasm.c (output_constant): Do not abort on conversions to union
219 types between different sizes.
221 2005-09-18 Richard Guenther <rguenther@suse.de>
224 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
227 2005-09-18 Paul Brook <paul@codesourcery.com>
229 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
231 2005-09-17 Richard Henderson <rth@redhat.com>
233 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
234 * tree-ssa-loop.c (pass_vect_dce): Remove.
235 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
238 2005-09-17 Richard Henderson <rth@redhat.com>
240 * tree-pass.h (pass_vect_dce): Declare.
241 * passes.c (init_optimization_passes): Add it.
242 * tree-flow.h (tree_ssa_dce): Declare.
243 * tree-ssa-dce.c (tree_ssa_dce): Export.
244 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
245 (gate_tree_vectorize): ... here.
246 (pass_vect_dce): New.
248 2005-09-17 Jan Hubicka <jh@suse.cz>
250 * except.c (struct eh_status): Turn region_array into vec.
251 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
252 convert_from_eh_region_ranges, find_exception_handler_labels,
253 current_function_has_exception_handlers, assign_filter_values,
254 build_post_landing_pads, dw2_build_landing_pads,
255 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
256 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
257 foreach_reachable_handler, can_throw_internal_1,
258 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
260 (duplicate_eh_region_1): Update region_array.
261 (duplicate_eh_regions): Resize region_array and avoid recomputing.
263 2005-09-17 David Edelsohn <edelsohn@gnu.org>
266 * expmed.c (expand_mult): Substitute simple register for op0 when
269 2005-09-17 Richard Henderson <rth@redhat.com>
271 * expr.c (emit_move_via_integer): Add force argument, pass it on
272 to emit_move_change_mode. Update callers.
273 (emit_move_complex): Pass true to new force argument.
274 * function.c (expand_function_end): Move expand_eh_return call
275 earlier. Merge sub-word complex values into a pseudo before
276 copying to the return hard register.
278 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
280 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
281 between different sizes.
283 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
287 * passes.c (init_optimization_passes): Register dump files for
290 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
292 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
293 * config/s390/s390.c (s390_overlap_p): New function.
294 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
295 peephole2, "*xc" peephole2): Added overlap check to the peephole2
298 2005-09-16 Richard Guenther <rguenther@suse.de>
300 * ipa-pure-const.c (static_execute): Free auxiliar information.
301 * ipa-type-escape.c (discover_unique_type): Free temporary key.
302 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
304 2005-09-15 DJ Delorie <dj@redhat.com>
306 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
308 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
310 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
312 (swap_commutative_operands_with_target): New.
314 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
316 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
319 (estimate_iters_using_array): New function.
320 * tree-data-ref.h (estimate_iters_using_array): Prototype
321 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
322 Use estimate_iters_using_array instead of analyze_array.
324 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
326 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
329 2005-09-15 Michael Matz <matz@suse.de>
331 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
333 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
335 PR tree-optimization/23835
336 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
337 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
339 2005-09-14 Richard Henderson <rth@redhat.com>
341 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
342 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
344 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
346 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
347 in the ARRAY_TYPE case.
349 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
351 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
353 2005-09-14 Uros Bizjak <uros@kss-loka.si>
356 * tree-vect-transform.c (vectorizable_operation): Return false for
357 scalar shift operations and for vector shift operations with
358 non-invariant shift arguments. Use scalar tree operand op1 as
359 a shift operand when vector shift insn pattern uses scalar shift
361 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
363 2005-09-14 Olivier Hainque <hainque@adacore.com>
365 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
366 value if it has side-effects.
368 2005-09-14 David Edelsohn <edelsohn@gnu.org>
371 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
373 2005-09-14 Alan Modra <amodra@bigpond.net.au>
375 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
376 passed as NAME as if it were label at start of function code.
378 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
380 * config/sh/sh.md (*movv4sf_i): Add general register cases to
383 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
385 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
386 as early clobber. Rewrite so the PIC register is not implicitly used.
388 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
390 * tree.c (annotate_with_file_line): Compare line numbers before
393 2005-09-13 Uros Bizjak <uros@kss-loka.si>
396 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
397 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
399 2005-09-13 Ian Lance Taylor <ian@airs.com>
401 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
402 than a HOST_WIDEST_INT to gen_doloop_begin.
404 2005-09-13 Diego Novillo <dnovillo@redhat.com>
406 * tree-dfa.c (dump_variable): Guard against NULL annotations.
408 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
410 PR tree-optimize/23817
411 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
413 2005-09-13 Alan Modra <amodra@bigpond.net.au>
416 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
417 word before changing the stack pointer. Use gen_frame_mem for MEMs.
418 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
419 (restore_stack_nonlocal): Likewise.
420 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
422 2005-09-12 Ian Lance Taylor <ian@airs.com>
425 * c.opt (ffriend-injection): New C++ option.
426 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
427 (C++ Dialect Options): Document -ffriend-injection.
429 2005-09-12 Josh Conner <jconner@apple.com>
432 * ipa-reference.c (static_execute): Don't mark variables in
433 named sections TREE_READONLY.
435 2005-09-12 Alan Modra <amodra@bigpond.net.au>
437 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
440 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
442 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
443 V_MUST_DEF instead of just the first_use_p.
444 Don't mark the virtual variables for renaming on the statement which
446 (pass_dse): Remove TODO_update_ssa.
448 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
451 * stor-layout.c (compute_record_mode): For records with a single
452 field, actually check the field's mode size against the type size.
454 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
455 registers for TARGET_SHMEDIA.
456 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
457 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
458 of GENERAL_REGS and FP_REGS.
460 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
462 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
464 2005-09-12 Alan Modra <amodra@bigpond.net.au>
466 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
467 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
468 are omitted. Exclude stack_tie insn too.
470 2005-09-11 David Edelsohn <edelsohn@gnu.org>
472 PR rtl-optimization/23098
473 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
475 * config/rs6000/rs6000.md (movdf splitter): Use
476 const_double_operand predicate for TARGET_POWERPC64.
477 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
478 SYMBOL_REF method to ABI_V4.
480 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
481 replace_equiv_address.
482 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
483 rs6000_sr_alias_set and MEM_NOTRAP.
484 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
486 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
488 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
489 handle CALL_EXPR again.
491 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
493 * arm/predicates.md (alignable_memory_operand): Delete.
495 2005-09-10 Richard Henderson <rth@redhat.com>
498 * dbxout.c (dbxout_expand_expr): New.
499 (dbxout_symbol): Use it.
501 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
503 * arm.c (arm_gen_rotated_half_load): Delete.
504 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
505 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
506 (thumb_set_return_address): Likewise.
507 (thumb_load_double_from_address): Use adjust_address.
508 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
509 (extendhsisi2_mem, movhi_bytes): Use change_address.
510 (movhi): Use widen_memory_access.
511 (reload_out_df): Use replace_equiv_address.
512 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
514 2005-09-09 Richard Henderson <rth@redhat.com>
517 * dbxout.c: Include expr.h.
518 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
519 (dbxout_symbol): Handle DECL_VALUE_EXPR.
520 * Makefile.in (dbxout.o): Add EXPR_H.
522 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
524 PR tree-optimization/23509
525 * tree-cfg.c (replace_uses_by): Use replace_exp.
526 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
527 pointers have name_mem_tag or type_mem_tag set.
529 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
531 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
532 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
533 of wrongly accessing operands.
535 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
537 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
538 * tree-chrec.c: Include tree-scalar-evolution.h.
539 (chrec_convert): Instantiate the base and step before calling
540 scev_probably_wraps_p that would fail on parametric evolutions.
541 Collect all the fails into a single section failed_to_convert,
542 print a diagnostic, and return chrec_dont_know instead of calling
544 * tree-scalar-evolution.c (loop_closed_phi_def): New.
545 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
547 (scev_const_prop): Don't replace the definition of a loop closed ssa
548 phi node by itself, or by another loop closed ssa phi node.
549 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
550 that base and step are defined.
552 2005-09-09 Richard Guenther <rguenther@suse.de>
555 * fold-const.c (fold_ternary): Check truth_value_p before
556 calling invert_truthvalue.
558 2005-09-09 Nick Clifton <nickc@redhat.com>
560 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
561 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
562 dimension of these arrays.
563 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
565 * longlong.h: Only provide a prototype for the __clz_tab[] array
566 if this header has not been included from libgcc2.h.
567 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
569 Provide prototypes for exported functions.
570 Use the __clz_tab[] and __popcount_tab[] arrays provided by
573 2005-09-08 Josh Conner <jconner@apple.com>
577 * expr.c (expand_expr_addr_expr_1): Don't invoke
578 expand_simple_binop for EXPAND_INITIALIZER.
580 2005-09-08 Richard Henderson <rth@redhat.com>
583 * toplev.c (wrapup_global_declaration_1): Split out ...
584 (wrapup_global_declaration_2): ... from ...
585 (wrapup_global_declarations): ... here. Return bool.
586 (check_global_declaration_1): Split out ...
587 (check_global_declarations): from here.
588 (emit_debug_global_declarations): New.
589 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
590 check_global_declaration_1, emit_debug_global_declarations): Declare.
591 * c-decl.c (c_write_global_declarations_1): Don't create a vector
592 of decls. Call wrapup_global_declaration_1,
593 wrapup_global_declaration_2, check_global_declaration_1 directly.
594 (c_write_global_declarations_2): New.
596 (c_write_global_declarations): Call c_write_global_declarations_2.
597 * langhooks.c (write_global_declarations): Call
598 emit_debug_global_declarations.
600 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
601 remove decls that have DECL_RTL_SET_P.
602 * passes.c (rest_of_decl_compilation): Invoke
603 cgraph_varpool_finalize_decl for all but functions.
605 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
607 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
608 the result of a conversion if the new min and max cannot be compared.
610 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
612 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
613 (override_options): Setting s390_sr_alias_set removed.
614 (save_fpr, save_gprs): Set alias set to vararg or frame.
615 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
616 s390_sr_alias_set with get_frame_alias_set ().
617 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
618 get_varargs_alias_set ().
620 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
624 * c-parser.c (c_parser_objc_method_definition): If the next
625 token is not "{", error out and don't start the function.
627 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
629 * tree-vrp.c (extract_range_from_expr): Move the check for non
630 nullness after the check for gimple invariant.
632 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
634 * tree.c (host_integerp, tree_low_cst): Correct function comment.
636 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
639 * config/m32r.md (movmemsi_internal): Canonicalize order of
640 operands in PLUS component of template.
642 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
644 * reload1.c (fixup_eh_region_note): Remove assertion.
645 (fixup_abnormal_edges): Reverted removal of call to
646 find_many_sub_basic_blocks made on 2005-08-31.
648 2005-09-07 Richard Henderson <rth@redhat.com>
650 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
651 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
652 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
653 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
654 rearrange for better packing.
655 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
656 (lookup_cfa_1): Remove inline marker.
657 (cfa_equal_p): Split out of ...
658 (def_cfa_1): ... here. Use INVALID_REGNUM.
659 (build_cfa_loc): Handle !cfa->indirect.
660 (frame_pointer_cfa_offset): New.
661 (dbx_reg_number): Assert register elimination performed; do
662 leaf register remapping.
663 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
664 (eliminate_reg_to_offset): New.
665 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
666 for verifiably local stack frame addresses; re-base to CFA.
667 (mem_loc_descriptor): Remove can_use_fbreg argument.
668 (concat_loc_descriptor, loc_descriptor): Likewise.
669 (containing_function_has_frame_base): Remove.
670 (rtl_for_decl_location): Don't do register elimination or
671 leaf register remapping here.
672 (secname_for_decl): Split out from ..
673 (add_location_or_const_value_attribute): ... here.
674 (convert_cfa_to_loc_list): New.
675 (compute_frame_pointer_to_cfa_displacement): New.
676 (gen_subprogram_die): Use them.
677 * tree.h (frame_base_decl): Remove.
678 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
679 (prologue_stack_adjust): Remove.
680 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
681 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
682 (set_frame_base_location): Remove.
683 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
684 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
685 (vt_add_function_parameters): Don't eliminate_regs.
686 (vt_initialize): Don't create frame_base_decl.
688 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
690 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
691 version of GNU binutils for 4.x and later.
693 2005-09-06 Mark Mitchell <mark@codesourcery.com>
695 * ggc-page.c (ggc_push_context): Remove.
696 (ggc_pop_context): Likewise.
697 * ggc.h (ggc_push_context): Remove.
698 (ggc_pop_context): Likewise.
700 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
703 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
704 returning from an interrupt handler.
706 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
709 * config/arc/arc.c (output_shift): Add check for loop count when
712 2005-09-06 Steven Bosscher <stevenb@suse.de>
714 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
716 (abs_replacement): Likewise.
717 (pass_phiopt): Remove TODO_update_ssa.
719 2005-09-06 Jakub Jelinek <jakub@redhat.com>
722 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
723 if "return with no value, in function returning non-void" warning
725 * tree-cfg.c (execute_warn_function_return): Don't look at
726 RETURN_EXPRs with TREE_NO_WARNING set.
729 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
730 for internal functions doesn't use registers used by global registers
731 variables. Use fewer register parameters if there are global register
734 2005-09-06 Olivier Hainque <hainque@adacore.com>
735 Eric Botcazou <ebotcazou@adacore.com>
738 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
739 when we would be extracting outside its bit span (bitpos+bitsize
740 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
741 Ada unchecked conversions.
743 2005-09-06 Steven Bosscher <stevenb@suse.de>
745 * tree-ssa-pre.c (try_look_through_load): New function.
746 (compute_avail): Use it to try to look through loads for some
747 more useful expressions.
749 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
751 * simplify-rtx.c (simplify_binary_operation_1): Correct the
752 condition for detecting cases like (a&a) and (a^a).
754 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
756 * common.opt: Add option ftree-vect-loop-version.
757 * params.def: Add --param vect-max-version-checks.
758 * doc/invoke.texi: Document ftree-vect-loop-version and
759 --param vect-max-version-checks.
760 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
761 may_misalign_stmts and defines for accessors.
762 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
763 LOOP_VINFO_MAY_MISALIGN_STMTS.
764 (destroy_loop_vec_info): VEC_free for
765 LOOP_VINFO_MAY_MISALIGN_STMTS.
766 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
767 Update documentation.
768 (vect_update_misalignment_for_peel): New.
769 (vect_enhance_data_refs_alignment): Update to choose loop
770 peeling or loop versioning if appropriate for the (potentially)
771 unaligned data references in the loop.
772 (vect_analyze_data_refs_alignment): Remove call to
773 vect_enhance_data_refs_alignment so the checks can be done
775 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
776 and move up call to vect_analyze_data_refs_alignment.
777 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
778 (vect_transform_loop): Add call to loop_version.
780 2005-09-06 Jakub Jelinek <jakub@redhat.com>
782 PR rtl-optimization/23098
783 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
784 * simplify-rtx.c (constant_pool_reference_p): New function.
785 * rtl.h (constant_pool_reference_p): New prototype.
786 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
787 constant_pool_reference_p in condition and
788 avoid_constant_pool_reference in preparation statements.
790 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
792 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
793 STRICT_LOW_PART SETs.
795 2005-09-06 Alan Modra <amodra@bigpond.net.au>
798 * except.c (sjlj_emit_function_enter): Find the function begin
799 note even when it's not in first basic block.
801 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
803 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
804 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
805 * aclocal.m4: Regenerate.
807 2005-09-05 DJ Delorie <dj@redhat.com>
809 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
812 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
814 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
815 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
816 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
817 Follow spelling conventions.
818 * doc/invoke.texi: Follow spelling conventions.
820 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
822 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
823 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
824 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
826 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
829 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
830 (output_stack_adjust): Use gen_tmp_stack_mem.
831 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
832 (sh_set_return_address, sh_allocate_initial_value): Likewise.
833 (sh_get_pr_initial_val): Likewise.
834 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
835 (sh_initialize_trampoline): Likewise. Also use adjust_address.
836 * sh.md (divsi_inv_m0): Use gen_const_mem.
837 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
838 (movdf_i4+1): Use gen_tmp_stack_mem.
839 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
840 (fpu_switch+2): Likewise.
841 (movv4sf_i, movv16sf_i): Use adjust_address.
842 (symGOT_load): Set MEM_NOTRAP_P bit.
844 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
847 * pa.c (emit_move_sequence): Fix typo in last change.
849 2005-09-03 Jakub Jelinek <jakub@redhat.com>
851 PR rtl-optimization/23454
852 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
855 2005-09-03 Richard Henderson <rth@redhat.com>
856 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
859 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
862 2005-09-02 Nicolas Pitre <nico@cam.org>
864 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
865 to bit_count to 32 bits.
867 2005-08-31 Mark Mitchell <mark@codesourcery.com>
870 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
871 generating synthetic loads from volatile lvalues.
873 005-09-02 Nick Clifton <nickc@redhat.com>
875 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
876 __ctzhi2, __clzhi2): New functions.
878 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
881 * tree-nested.c (struct var_map_elt): Mark with GTY.
882 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
884 (lookup_field_for_decl): Allocate new element in GC memory.
885 (lookup_tramp_for_decl): Likewise.
886 (convert_nl_goto_reference): Likewise
887 (create_nesting_tree): Allocate info in GC memory. Likewise for
889 (free_nesting_tree): Free with ggc_free instead of free.
890 (root): New static variable.
891 (lower_nested_functions): Remove root as local variable. And zero out
892 root at the end of the function.
894 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
896 PR rtl-optimization/20365
897 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
898 to short. New member ix.
899 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
900 (simplify_plus_minus): Initialize ix members before calling qsort.
902 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
904 PR tree-optimization/23626
905 * tree-cfg.c (replace_uses_by): Clean up eh info.
907 2005-09-01 DJ Delorie <dj@redhat.com>
909 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
912 2005-09-01 David Edelsohn <edelsohn@gnu.org>
914 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
915 (rs6000_split_multireg_move): Use replace_equiv_address instead of
918 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
920 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
921 do not issue warning for a variable definition following
924 2005-09-01 Richard Henderson <rth@redhat.com>
927 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
928 conversion to CONST_VECTOR.
930 2005-09-01 Richard Henderson <rth@redhat.com>
933 * reload1.c (reload_as_needed): Check !CALL_P before calling
934 fixup_eh_region_note.
935 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
937 2005-09-01 DJ Delorie <dj@redhat.com>
939 * varasm.c (output_constant): Let the target resolve
940 conversions of addresses to non-default pointer sizes.
942 2005-09-01 Nicolas Pitre <nico@cam.org>
944 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
945 to alow matching ARM pre-indexed addressing mode.
946 (arm_override_options): Remove now irrelevant comment.
948 2005-09-01 Phil Edwards <phil@codesourcery.com>
950 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
951 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
952 * config/i386/vxworks.h: Likewise.
953 * config/i386/t-vxworksae: New file, for VxWorks AE.
954 * config/i386/vxworksae.h: Likewise.
956 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
958 PR tree-optimization/23410
959 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
960 sequence is not wrapping during the first step.
962 2005-09-01 Jakub Jelinek <jakub@redhat.com>
965 * dwarf2out.c (base_type_die): Compare char_type_node with
966 TYPE_MAIN_VARIANT (type), not type.
968 2005-09-01 Richard Guenther <rguenther@suse.de>
970 PR tree-optimization/15366
971 * common.opt: Add -finline-functions-called-once.
972 Put -fearly-inlining in alphabetically ordered place.
973 * doc/invoke.texi: Document new option.
974 * ipa-inline.c (cgraph_decide_inlining): Honour
975 flag_inline_functions_called_once.
977 2005-09-01 Jakub Jelinek <jakub@redhat.com>
979 PR rtl-optimization/23478
980 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
981 (alloc_qty): Initialize it.
982 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
983 (combine_regs): Combine also n_throwing_calls_crossed fields.
984 (find_free_reg): Don't attempt to caller-save pseudos crossing
985 calls that might throw.
986 * global.c (struct allocno): Add throwing_calls_crossed field.
987 (global_alloc): Revert 2005-08-22 change. Initialize
988 throwing_calls_crossed.
989 (find_reg): Don't attempt to caller-save pseudos crossing calls that
992 2005-09-01 Alan Modra <amodra@bigpond.net.au>
995 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
996 (mask64_operand): Reinstate code prior to 2005-06-11 change.
997 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
998 (and64_2_operand): Tweak to use predicate.
999 (and_operand): Adjust for mask_operand changes.
1000 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1001 (print_operand): Likewise.
1002 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1003 (mask64_1or2_operand): Delete.
1004 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1005 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1006 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1007 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1008 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1009 (rotldi3_internal4): Likewise.
1010 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1011 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1012 (ashldi3_internal7): Likewise.
1013 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1014 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1015 (anddi3 split): Don't match mask64_operand.
1016 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1017 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1018 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1019 't' splitter predicate.
1020 (movdi_internal64 + 2): Revert 2005-06-11 change.
1022 2005-08-31 DJ Delorie <dj@redhat.com>
1024 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1025 (m32c_asm_integer): Add support for 32 bit pointers.
1027 2005-08-31 Richard Henderson <rth@redhat.com>
1029 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1030 component-like references for setting MEM_NOTRAP_P.
1032 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1033 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1035 2005-08-31 Richard Henderson <rth@redhat.com>
1037 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1038 into a pseudo before applying gen_lowpart.
1040 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1042 * doc/install.texi (Specific): Update cctools version required
1043 for full functionality.
1044 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1045 linkers as -macosx_version_min.
1047 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1050 * sh.c (print_operand, %R and %S): Add handling of floating point
1051 registers, memory, constants and invalid operands.
1053 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1055 * ipa-pure-const.c: Change dump name.
1057 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1060 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1061 to "reg_or_0_operand".
1062 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1064 2005-08-31 Dale Johannesen <dalej@apple.com>
1066 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1067 loops that count down.
1069 2005-08-31 Richard Henderson <rth@redhat.com>
1072 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1073 (fixup_eh_region_note): New.
1074 (reload_as_needed): Call it.
1075 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1076 don't call find_many_sub_basic_blocks; call verify_flow_info.
1077 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1078 (keep_stack_depressed): Likewise.
1079 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1081 2005-08-31 Richard Henderson <rth@redhat.com>
1083 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1086 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1088 * expr.c (expand_expr_real_1): Compare size of address
1089 mode to target's address mode size in deciding expansion of
1090 the constant address.
1092 2005-08-31 Richard Guenther <rguenther@suse.de>
1095 * expr.c (all_zeros_p): New function.
1096 (expand_expr_real_1): Handle the case of an all-zero
1097 non-addressable constructor separately.
1099 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1101 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1102 arguments, adjust all callers.
1103 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1105 2005-08-30 Richard Henderson <rth@redhat.com>
1108 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1109 whenever the mode sizes match.
1111 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1113 * calls.c (load_register_parameters): Fix comment typo.
1114 * expr.c (emit_push_insn): Comment formatting.
1116 2005-08-30 Ian Lance Taylor <ian@airs.com>
1118 * config/i386/x-cygwin (host-cygwin): Change dependency from
1119 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1121 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1123 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1126 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1129 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1130 call to ggc_collect.
1132 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1135 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1136 beginning. Remove $(INCLUDES) from all the rules, if following
1137 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1139 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1142 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1143 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1144 not constant, but maxlen is, don't set len to maxlen, rather
1145 set maxlen to len if len is a constant.
1147 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1149 PR tree-optimization/23475
1150 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1153 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1155 Fix PR middle-end/22455
1157 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1158 Checksum only the parts of the tree that exist for the tree code.
1160 2005-08-28 Dale Johannesen <dalej@apple.com>
1162 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1164 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1166 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1168 2005-08-28 Richard Henderson <rth@redhat.com>
1170 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1171 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1174 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1177 * builtins.c (get_memory_rtx): Don't strip nops
1178 in between COMPONENT_REFs.
1180 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1183 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1185 (gimplify_modify_expr): Check for zero sized types and gimplify the
1186 rhs and lhs as statements.
1188 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1191 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1192 state for return address column of signal frames.
1194 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1197 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1198 bytes >= 2 not bytes == 2.
1199 (expand_block_move): Same.
1201 2005-08-27 Richard Guenther <rguenther@suse.de>
1204 * config/i386/sse.md (sse2_movsd): Add missing closing
1207 2005-08-27 Paul Brook <paul@codesourcery.com>
1209 * genrecog.c (enum decision_type): Add DT_num_insns.
1210 (struct decision_test): Add u.num_insns.
1211 (add_to_sequence): Add DT_num_insns test.
1212 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1213 (write_cond, debug_decision_2): Ditto.
1214 (change_state): Assume peep2_next_insn never fails.
1215 Remove "afterward" argument.
1216 (write afterward, write_tree): Update to match.
1217 * recog.c (peep2_current_count): New variable.
1218 (peep2_next_insn): Check it.
1219 (peephole2_optimize): Set peep2_current_count.
1220 * recog.h (peep2_current_count): Declare.
1222 2005-08-26 Josh Conner <jconner@apple.com>
1225 * ipa-pure-const.c (check_tree): Check for volatile-ness
1226 when considering a dereference.
1228 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1230 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1232 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1234 PR rtl-optimization/23561
1235 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1236 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1237 at most LEN bytes long memory fits into the field.
1238 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1239 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1240 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1242 2005-08-26 Richard Henderson <rth@redhat.com>
1245 * loop.c (biased_biv_may_wrap_p): New.
1246 (maybe_eliminate_biv_1): Use it to suppress non-equality
1247 comparison transformations. Delete disabled code.
1249 2005-08-26 Ian Lance Taylor <ian@airs.com>
1251 * combine.c (make_extraction): Avoid reference outside object.
1253 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1255 * stor-layout.c (finalize_type_size): Restore behaviour for
1256 non-aggregate types to the status quo ante of the patch for
1257 pr 23467. Document why it matters.
1259 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1262 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1263 array by one element, initialize the BT_LAST element with NULL.
1265 2005-08-26 David Edelsohn <edelsohn@gnu.org>
1267 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1268 optimizing for size.
1270 (compare_plus_eqsi): Same.
1271 (plus_eqsi_compare): Same.
1272 (neg_eq0<mode>): Same.
1273 (neg_eq<mode>): Same.
1275 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1278 2005-08-26 Nick Clifton <nickc@redhat.com>
1280 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1281 TARGET_EP is not defined.
1282 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1283 TARGET_EP is enabled.
1284 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1285 * config/v850/v850.md (save_all_interrupt): Only use the EP
1286 register if TARGET_EP is defined.
1287 (restore_all_interrupt): Likewise.
1288 * config/v850/lib1funcs.asm: Update functions so that the EP
1289 register is only used if __EP__ is defined.
1291 2005-08-26 David Ung <davidu@mips.com>
1293 * config/mips/mips.c (mips_expand_prologue): Handle case when
1294 generating for MIPS16 and the outgoing argument area is more than
1295 SMALL_OPERAND. Use the frame pointer as temporary to generate the
1298 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
1300 * config/crx/crx.md: Make doloop_end pattern usage controllable
1301 via mloop-nesting=<max-nesting> command line switch. Make sure
1302 the combiner cannot use doloop_end_<mode> in an illegal way.
1303 * config/crx/crx.c: Use regs up to r6 for argument passing.
1304 Refine crx_address_cost (non cst4 displacements are expensive).
1305 * config/crx/crx.opt: Add switch for mloop-nesting=.
1307 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
1309 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1310 (UNSPEC_MVST): New constant.
1312 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
1314 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1315 Reject operands containing eliminable registers.
1316 * testsuite/gcc.dg/20050825-1.c: New testcase.
1318 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1319 Jan Hubicka <jh@suse.cz>
1321 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1323 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1325 PR tree-optimization/23546
1326 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1329 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
1331 * params.def (PARAM_MIN_SPEC_PROB): New.
1332 * sched-rgn.c (MIN_PROBABILITY): Delete.
1333 (compute_trg_info): Convert to PARAM_VALUE.
1334 * doc/invoke.texi (param): Document min-spec-prob.
1336 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
1338 * config/darwin.h: define __PIC__
1339 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1340 TARGET_OS_CPP_BUILTINS macro.
1342 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1344 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1347 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1349 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1351 * cfghooks.c (duplicate_block): Added position where to place
1352 new block as argument.
1353 * cfghooks.h (duplicate_block): Declaration changed.
1354 * cfglayout.c (copy_bbs): Add argument after. Pass it to
1356 * cfglayout.h (copy_bbs): Declaration changed.
1357 * cfgloop.h (loop_version): Declaration changed.
1358 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1359 position to copy_bbs.
1360 (loop_version): Pass position to duplicate_loop_to_header_edge.
1361 Add place_after argument and position new blocks according to
1363 * modulo-sched.c (sms_schedule): Pass place_after argument
1365 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1366 * tree-cfg.c (split_edge_bb_loc): New function.
1367 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1368 to determine position of new blocks.
1369 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1371 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1372 argument to duplicate_block.
1373 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1374 Pass position to copy_bbs.
1376 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1378 * fold-const.c (ptr_difference_const): Use
1379 cst_and_fits_in_hwi instead of host_integerp.
1381 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1383 * config/darwin.c (gen_pic_offset): New.
1384 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1387 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1389 PR tree-optimization/23486
1390 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1392 2005-08-23 Phil Edwards <phil@codesourcery.com>
1394 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1395 remove use_collect2.
1396 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1398 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1399 configuration files to override the default value.
1401 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1402 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1403 * config/vx-common.h: New file, split out from...
1404 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1405 * config/vxworksae.h: New file, for VxWorks AE.
1406 * config/vxworks.opt: New file.
1407 * config/vxlib.c: Update for VxWorks 6.
1409 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1410 other MULTILIB_* variables appropriately.
1411 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1412 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1413 * config/rs6000/vxworks.h: Update for VxWorks 6.
1414 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1416 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1419 * config/darwin.c (machopic_select_section): Remove the hack to
1420 mark "::operator new" and "::operator delete" for coalescing
1421 even though they are not weak.
1423 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1425 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1426 * configure: Regenerate.
1428 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1431 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1433 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1434 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1437 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1439 * config/rs6000/predicates.md (equality_operator): New.
1440 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1441 comparison with a large constant.
1443 2005-08-23 Mark Mitchell <mark@codesourcery.com>
1445 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1447 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1449 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1450 registers is even, and we have a hardware double precision fp,
1452 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1453 size of current argument when checking if argument was passed in
1456 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1459 * stor-layout.c (finalize_type_size): Dont override
1460 existing alignment with a smaller alignment from the mode.
1462 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1464 * lambda-code.c (lambda_vector_lexico_pos): Moved...
1465 * lambda.h (lambda_vector_lexico_pos): ... here.
1466 * tree-data-ref.c (build_classic_dist_vector): Return false when
1467 the distance vector is lexicographically negative.
1469 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1471 PR tree-optimization/23511
1472 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1473 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1475 2005-08-23 Jakub Jelinek <jakub@redhat.com>
1477 PR tree-optimization/22043
1478 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1479 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1480 If ALLOW_FLEXARR, handle types ending with flexible array member.
1481 Pass false as second argument to recursive count_type_elements calls.
1482 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1483 argument to count_type_elements call.
1484 * tree-sra.c (decide_block_copy): Likewise.
1485 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1486 for a constant-sized object, set cleared as well. Pass true as
1487 second argument to count_type_elements call.
1489 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1492 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1493 from legitimate_small_data_p, and make global. Update use.
1494 Remove forward declaration.
1495 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1497 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1499 2005-08-23 David Edelsohn <edelsohn@gnu.org>
1501 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1502 of scratch intermediates.
1503 (eq<mode>_compare): Same.
1504 (neg_eq0<mode>): New.
1505 (neg_eq<mode>): Convert to define_insn_and_split.
1507 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1510 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1511 stdarg functions, set/clear the fp marker even when no variable
1513 * config/rs6000/sysv4.opt (mprototype): Describe.
1515 2005-08-22 Jakub Jelinek <jakub@redhat.com>
1517 PR rtl-optimization/23478
1518 * regs.h (reg_info): Add throw_calls_crossed.
1519 (REG_N_THROWING_CALLS_CROSSED): Define.
1520 * flow.c (allocate_reg_life_data): Initialize
1521 REG_N_THROWING_CALLS_CROSSED.
1522 (propagate_one_insn, attempt_auto_inc): Update
1523 REG_N_THROWING_CALLS_CROSSED.
1524 * global.c (global_alloc): Don't allocate pseudos across
1525 calls that may throw.
1527 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1530 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1531 value is inbetween the range if we did not find an exact match.
1533 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
1535 * doc/invoke.texi (Option Summary): Add ms1 options.
1536 * doc/extend.texi: Document interrupt handler attribute for ms1.
1537 * doc/md.texi: Document ms1 constraints.
1538 * config.gcc: Add ms1-*-elf.
1539 * config/ms1/ms1.h: New.
1540 * config/ms1/ms1.c: New.
1541 * config/ms1/ms1.md: New.
1542 * config/ms1/ms1-protos.h: New.
1543 * config/ms1/ABI.txt: New.
1544 * config/ms1/crti.asm: New.
1545 * config/ms1/crtn.asm: New.
1546 * config/ms1/lib2extra-funcs.c: New.
1547 * config/ms1/t-ms1: New.
1548 * config/ms1/ms1.opt: New.
1550 2005-08-22 Ira Rosen <irar@il.ibm.com>
1552 * config/rs6000/altivec.md (xorv4sf3): New.
1553 (negv4sf2, neg<mode>2): Likewise.
1555 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1558 * config/ia64/ia64.md (divsi3): Check divide by zero.
1559 (udivsi3): Likewise.
1561 (udivdi3): Likewise.
1563 2005-08-21 Jakub Jelinek <jakub@redhat.com>
1565 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1566 up to elem_bitsize bits, not max_bitsize.
1568 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1570 PR tree-optimization/23433
1571 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1572 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1574 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1576 PR tree-optimization/23434
1577 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1578 the iteration bound is not an INTEGER_CST.
1580 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1582 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1583 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1584 NULL if need_epilog_adjust is false.
1585 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1586 Case 3 always peels first itration, not just for PLUS case, and no need
1587 to use scalar_initial_def here. Create an epilog adjustment only if
1588 scalar_initial_def is not NULL.
1590 (vectorizable_reduction): Remove assert.
1592 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1595 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1596 (__moddi3): Likewise.
1597 (__udivdi3): Likewise.
1598 (__umoddi3): Likewise.
1599 (__divsi3): Likewise.
1600 (__modsi3): Likewise.
1601 (__udivsi3): Likewise.
1602 (__umodsi3): Likewise.
1604 2005-08-20 Jakub Jelinek <jakub@redhat.com>
1606 * tree-pass.h (TDF_GRAPH): Define.
1607 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1608 * passes.c (finish_optimization_passes): Only call
1609 finish_graph_dump_file if TDF_GRAPH is set.
1610 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1611 NULL. Set TDF_GRAPH bit.
1612 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1614 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1616 * arm.h (arm_stack_offsets): Add locals_base field.
1617 * arm.c (arm_get_frame_offsets): Compute it.
1618 (thumb_compute_initial_elimination offset): Make the Thumb frame
1619 pointer point to the base of the local variables.
1620 (thumb_expand_prologue): Update accordingly.
1621 (thumb_expand_epilogue): Likewise.
1623 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1624 mode of clobbered scratch to DImode. Handle a case that's known to
1627 2005-08-19 David Edelsohn <edelsohn@gnu.org>
1629 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1630 (gt0<mode>_compare): Delete.
1631 (neg_gt0<mode>): Delete.
1633 2005-08-19 Eric Christopher <echristo@apple.com>
1635 * optabs.h: Change CTI_ to COI_.
1638 2005-08-19 James E Wilson <wilson@specifix.com>
1640 * builtins.c (expand_builtin_return_addr): Set
1641 current_function_accesses_prior_frames when count != 0. Use
1642 frame_pointer_rtx when count == 0.
1643 * function.h (struct function): Add accesses_prior_frames field.
1644 (current_function_accesses_prior_frames): Define.
1645 * reload1.c (init_elim_table): Check
1646 current_function_accesses_prior_frames.
1647 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1649 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1651 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1652 indicator. Return true if the flowgraph changed during
1655 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1658 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1659 conditional expression before testing its value.
1661 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1663 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1665 2005-08-19 Devang Patel <dpatel@apple.com>
1667 PR tree-optimization/23048
1668 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1669 third parameter. Check whether latch is dominated by exit
1671 (if_convertible_loop_p): Supply exit block itself to
1672 if_convertible_bb_p.
1674 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1677 * arm.md (arm_load_pic_register): Change argument to the mask of
1678 saved registers. Call thumb_find_work_register if we need a
1679 scratch register on Thumb.
1680 (arm_expand_prologue): Pass empty register set to
1681 arm_load_pic_register.
1682 (thumb_expand_prologue): Pass live_regs_mask directly to
1683 arm_load_pic_register.
1684 * arm-protos.h (arm_load_pic_register): Update prototype.
1686 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1688 * sh.c (find_sole_member): New function.
1689 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1690 if the record's alignment is larger than the size of its only member.
1692 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1695 * arm.c (thumb_legitimize_reload_address): New function.
1696 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1697 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1699 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1701 * config/crx/crx.c: Implement crx_decompose_address. Reject
1702 symbolic displacements since CRX register relative adressing
1703 mode can't handle unsigned 32-bit values as displacements.
1704 * config/crx/crx.h: Simplify definitions, remove redundant
1705 parenthesis and obsolete macros.
1706 * config/crx/crx.opt: Add new switch for debugging addresses.
1707 * config/crx/crx-protos.h: Add new declarations for above.
1709 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1712 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1715 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1717 * collect2.c (dup2): Delete.
1718 * configure.ac: Don't check for dup2.
1720 * config.in, configure: Regenerate.
1722 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1724 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1725 record with the type of its only member.
1727 2005-08-18 David Edelsohn <edelsohn@gnu.org>
1729 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1730 define_insn_and_split.
1731 (plus_ltu<mode>_compare): Same.
1732 (gtu<mode>_compare): Same.
1733 (plus_gtu<mode>_compare): Same.
1735 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1737 PR tree-optimization/22228
1738 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1740 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1741 are recorded in vect_vnames_to_rename for renaming.
1742 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1743 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1744 in vect_vnames_to_rename.
1745 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1746 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1748 2005-08-18 Jan Hubicka <jh@suse.cz>
1751 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1752 info only for local statics, not for member variables.
1754 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1756 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1758 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1760 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1762 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1765 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1767 2005-08-17 James E Wilson <wilson@specifix.com>
1769 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1772 2005-08-17 David Edelsohn <edelsohn@gnu.org>
1774 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1775 (leu<mode>_compare): Same.
1776 (plus_leu<mode>): Same.
1777 (neg_leu<mode>): Same.
1778 (and_neg_leu<mode): Same.
1779 (ltu<mode>_compare): Same.
1780 (plus_ltu<mode>): Same.
1782 (geu<mode>_compare): Same.
1783 (plus_geu<mode>): Same.
1784 (neg_geu<mode>): Same.
1785 (and_neg_geu<mode>): Same.
1786 (plus_gt<mode>): Same.
1787 (gtu<mode>_compare): Same.
1788 (plus_gtu<mode>): Same.
1790 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
1792 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1793 Move call_table_data to end. Delete spurious .text.
1794 (callt_save_all_interrupt): Fix comment typo.
1796 2005-08-17 James E Wilson <wilson@specifix.com>
1797 Kevin Winchester <winchester@amirix.com>
1800 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1802 2005-08-17 Uros Bizjak <uros@kss-loka.si>
1805 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1806 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1808 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1810 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1811 record with the type of its only member if the modes don't match.
1813 * varasm.c (decode_reg_name): Skip empty additional register names.
1815 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1817 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1818 lsm_tmp_name_length): New.
1819 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1820 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1822 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1823 Andreas Krebbel <krebbel1@de.ibm.com>
1825 * config.gcc: Added z9-109 switch.
1826 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1827 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1828 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1829 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1830 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1831 for "z9_109" cpu attribute.
1832 * config/s390/s390.c (z9_109_cost): New processor cost structure.
1833 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1834 (s390_handle_arch_option): Added z9-109 switch.
1835 (override_options): Set respective cost function for z9-109.
1836 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1837 (legitimate_reload_constant_p): Accept extended immediates.
1838 (print_operand): Three new output modifiers added: k, m and o.
1839 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1840 (s390_output_mi_thunk): Use extended immediate when possible.
1841 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1842 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1843 (CONSTRAINT_LEN): Added length of O constraint.
1844 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1845 * config/s390/s390.md ("cpu"): New value z9_109 added.
1846 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1847 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1848 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1849 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1850 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1851 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1852 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1853 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1854 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1855 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1856 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1857 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1858 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1859 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1860 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1862 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1863 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1864 insns for TARGET_EXTIMM.
1866 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
1868 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1870 2005-08-17 Nick Clifton <nickc@redhat.com>
1872 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1873 Call default_encode_section_info.
1875 2005-08-17 Steven Bosscher <stevenb@suse.de>
1877 PR tree-optimization/21574
1878 * tree-ssa-ccp.c (likely_value): If the right hand side is a
1879 constant, return CONSTANT.
1880 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1881 (ccp_fold, visit_assignment): Likewise.
1882 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1884 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1886 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1887 fold_buildN instead of buildN then fold_initializer or fold.
1888 (build_unary_op): Likewise.
1889 (build_binary_op): Likewise.
1890 * fold-const.c (fold_initializer): Remove.
1891 (fold_build1_initializer): New function.
1892 (fold_build2_initializer): New function.
1893 (fold_build3_initializer): New function.
1894 * tree.h (fold_initializer): Remove.
1895 (fold_build1_initializer): New function.
1896 (fold_build2_initializer): New function.
1897 (fold_build3_initializer): New function.
1899 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1901 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1902 (try_move_mult_to_index): Call fold_build2 instead of build2.
1903 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1904 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1905 fold_binary_to_constant.
1906 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1908 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1909 check if A == gcd (A, B). Remove TYPE argument.
1910 (analyze_offset) Use fold_build2 instead of fold (build.
1911 (create_data_ref): Likewise.
1912 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1913 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1916 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
1918 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1919 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1921 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
1924 * gimplify.c (zero_sized_type): New function.
1925 (gimplify_modify_expr_rhs): If we have a zero sized type,
1926 replace the statement with an empty statement.
1928 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
1930 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1933 2005-08-16 Ian Lance Taylor <ian@airs.com>
1935 * doc/tm.texi (Label Output): Correct typo.
1937 2005-08-16 Steven Bosscher <stevenb@suse.de>
1940 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1941 force_operand will work later on using have_insn_for.
1943 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1945 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1947 2005-08-16 Ian Lance Taylor <ian@airs.com>
1950 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1951 vector type, don't try to construct it element by element. Add an
1952 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1954 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1956 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1958 2005-08-16 Geoffrey Keating <geoffk@apple.com>
1960 * doc/invoke.texi (Precompiled Headers): Document some more options
1961 which are known to be safe.
1963 2005-08-16 James E Wilson <wilson@specifix.com>
1965 PR tree-optimization/21105
1966 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1967 TREE_OVERFLOW check.
1969 2005-08-16 David Edelsohn <edelsohn@gnu.org>
1971 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1972 (neg_ltu<mode>): Same.
1974 (neg_gtu<mode>): Same.
1976 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1978 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1979 (fold_builtin_isdigit): Use fold_buildN.
1980 (build_function_call_expr): Likewise.
1981 * c-typeck.c (c_finish_loop): Likewise.
1983 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
1984 Richard Shann <rshann@superh.com>
1986 PR middle-end/20396:
1987 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1989 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
1991 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1993 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
1996 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1997 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2000 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2003 * fold-const.c (build_range_check): Disable optimization for function
2004 pointer expressions on targets that require function pointer
2007 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2009 * simplify-rtx.c (simplify_const_relational_operation): When
2010 extracting arguments of a COMPARE, recompute the mode as well.
2012 2005-08-15 Ian Lance Taylor <ian@airs.com>
2014 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2016 2005-08-15 DJ Delorie <dj@redhat.com>
2018 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2020 (movsi_splittable): Allow, but split, moves to the stack.
2021 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2024 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2026 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2027 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2028 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2030 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2031 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2032 Delete HOST_PTR_PRINTF.
2034 * configure, config.in: Regenerate.
2036 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2038 * config/rs6000/rs6000.md (QHSI): New mode macro.
2039 (wd): Extend mode attr for QImode and HImode
2040 (dbits): New mode attr.
2041 (zero_extend<mode>di2): Convert to mode macro.
2043 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2046 * doc/invoke.texi (-mgnu-ld): Update description.
2049 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2052 * Makefile.in (tree-chrec.o): Depends on real.h.
2053 * tree-chrec.c: Include real.h.
2054 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2055 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2056 * tree-scalar-evolution.c (add_to_evolution_1,
2057 interpret_rhs_modify_expr): Ditto.
2059 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2062 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2063 step is negative compute the estimation from init downwards to zero.
2065 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2067 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2069 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2071 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2073 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2074 Accept double-word constants that can be split.
2075 * config/s390/s390.md ("movti"): Use 'P' constraint.
2076 ("*movdi_31", "*movdf_31"): Likewise.
2078 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2080 Fix PR tree-optimization/22615
2082 * tree-ssa-structalias.c (solution_set_add): Handle
2083 first_vi_for_offset returning NULL.
2084 (do_da_constraint): Ditto.
2085 (do_sd_constraint): Ditto.
2086 (do_ds_constraint): Ditto
2087 (find_func_aliases): Ditto.
2088 (build_constraint_graph): RHS is allowed be ANYTHING.
2089 (first_vi_for_offset): Return NULL if we couldn't find anything at
2092 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2094 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2095 over memory as first operand.
2097 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2100 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2101 available for setting it.
2103 2005-08-14 Ira Rosen <irar@il.ibm.com>
2105 PR tree-optimization/23320
2106 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2107 data-refs' types instead of base object nullness. Add check for
2108 pointer type data-refs before first location comparison. Remove
2111 2005-08-14 Andreas Schwab <schwab@suse.de>
2113 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2115 2005-08-13 James E Wilson <wilson@specifix.com>
2117 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2118 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2119 -fstack-protector-all, --param ssp-buffer-size): Document.
2120 (-Wvariadic-macros): Alphabetize.
2121 (-fsched-stalled-insns-dep): Add missing 'f'.
2123 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2126 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2128 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2129 or indirect address operand.
2130 (EXTRA_ADDRESS_CONSTRAINT): New.
2131 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2133 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2135 PR tree-optimization/22236
2136 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2137 successors and predecessors.
2138 * tree-chrec.c (chrec_convert): Before converting, check that
2139 sequences don't wrap.
2140 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2141 (analyze_array): Extern.
2142 (find_data_references_in_loop): Remove call to
2143 compute_estimated_nb_iterations.
2144 * tree-data-ref.h (analyze_array): Declared.
2145 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2146 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2147 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2148 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2150 * tree-ssa-loop-ivcanon.c: Fix documentation.
2151 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2152 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2153 (infer_loop_bounds_from_undefined): New.
2154 (estimate_numbers_of_iterations_loop): Use
2155 infer_loop_bounds_from_undefined.
2156 (used_in_pointer_arithmetic_p): New.
2157 (scev_probably_wraps_p): Pass an extra parameter. Call
2158 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2159 (convert_step): Fix documentation.
2160 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2161 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2162 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2163 scev_probably_wraps_p.
2165 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2167 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2168 (s390_register_info): Ignore clobbered_regs information for fixed
2169 registers, and only fixed registers.
2170 (s390_init_frame_layout): Remove redundant call.
2172 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2174 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2175 description of -Wold-style-casts.
2177 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2178 Jakub Jelinek <jakub@redhat.com>
2180 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2181 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2182 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2183 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2184 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2185 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2186 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2187 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2188 ("stack_protect_set", "stack_protect_test"): New expanders.
2189 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2190 "stack_protect_testdi"): New insn definitions.
2192 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2194 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2196 2005-08-12 Paul Brook <paul@codesourcery.com>
2198 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2200 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2202 * config/s390/predicates.md (setmem_operand): New predicate.
2203 (shift_count_operand): Accept ANDs with special constants as
2205 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2206 with special constants.
2207 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2208 shift_count_operand with setmem_operand.
2210 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2212 * config/s390/s390.c (s390_extract_part, s390_single_part):
2214 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2215 (s390_output_mi_thunk): Don't use lg on 31 bit.
2216 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2217 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2219 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2221 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2222 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2223 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2224 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2225 with one of the new macros.
2227 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2229 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2230 Don't set save_return_addr_p.
2231 (s390_register_info): Make clobbered_regs not depending on
2234 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2236 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2237 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2239 2005-08-11 James E. Wilson <wilson@specifix.com>
2241 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2243 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2245 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2246 locations gathered by var-tracking in single entry loc_list
2247 over loc_descriptor_from_tree.
2249 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2250 pass it down to loc_descriptor.
2251 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2252 (containing_function_has_frame_base): Move earlier in the file.
2253 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2254 instead of always assuming fbreg can't be used.
2256 2005-08-11 David Edelsohn <edelsohn@gnu.org>
2258 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2259 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2260 Accept address wrapped in AND for Altivec.
2261 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2262 Strip AND wrapping offset address for Altivec.
2264 2005-08-11 Richard Henderson <rth@redhat.com>
2267 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2268 before using TYPE_IS_SIZETYPE.
2270 2005-08-11 Richard Henderson <rth@redhat.com>
2273 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2274 insn types not present on ev4.
2275 (alphaev5_insn_pipe): Similarly.
2277 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2280 * arm.c (arm_override_options): If the user has selected callee-super-
2281 interworking, then enable normal interworking.
2283 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2285 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2288 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2290 * doc/rtl.texi: Fix two typos.
2292 2005-08-11 Richard Guenther <rguenther@suse.de>
2295 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2296 cases where we call to/from functions returning void.
2298 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
2301 * tree.c (build_pointer_type_for_mode): Robustify.
2303 2005-08-10 James E Wilson <wilson@specifix.com>
2305 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2306 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2308 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2311 2005-08-10 Eric Christopher <echristo@apple.com>
2313 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2314 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2317 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
2320 * config/darwin.c (machopic_indirect_data_reference): Use a new register
2321 for the high part when generating dynamic-no-pic code.
2323 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
2325 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2326 (x86_64-*-linux*): Likewise.
2328 * config/i386/crtfastmath.c: New file.
2329 * config/i386/t-crtfm: Likewise.
2331 * config/i386/linux.h (ENDFILE_SPEC): New.
2332 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2334 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2337 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
2339 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2340 (vec_shl, vec_shr): Document new operations.
2341 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2343 2005-08-10 David Edelsohn <edelsohn@gnu.org>
2345 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2346 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2347 change predicate to indexed_or_indirect_address.
2349 2005-08-10 Richard Sandiford <richard@codesourcery.com>
2351 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2352 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2353 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2354 and __aeabi_uwrite8.
2355 * config/arm/unaligned-funcs.c: New file.
2356 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2358 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
2360 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2362 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2363 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2365 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2366 * final.c (pass_shorten_branches): Add dump.
2367 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2368 (pass_life): Rename dump.
2369 (rest_of_handle_flow2): Remove initial verify_flow_info.
2370 * function.c (pass_instantiate_virtual_regs): Add dump.
2371 * integrate.c (pass_initial_value_sets): Add dump.
2372 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2373 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2374 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2375 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2376 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2377 gate_rtl_unrool_and_peel_loops): New.
2378 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2379 rtl_doloop): Do not look at flags.
2380 * mode-switching.c (pass_mode_switching): Add dump.
2381 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2382 pass_split_before_regstack): Add dump.
2383 * regmove.c (pass_stack_adjustments): Add dump.
2384 * tree-optimize.c (pass_fixup_cfg): Add dump.
2386 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2389 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2390 deciding which instruction sequence to use.
2392 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2394 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2395 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2397 2005-08-09 Richard Guenther <rguenther@suse.de>
2399 * c-common.c (builtin_function_2): Remove.
2400 (def_builtin_1): New function.
2401 (c_common_nodes_and_builtins): Use def_builtin_1 to
2402 build builtin functions.
2404 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2406 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2407 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2408 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2411 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2413 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2414 fold_binary instead of fold_build2 since we don't care about the
2416 (loop_niter_by_eval): Likewise.
2417 (compare_trees): Likewise.
2418 (proved_non_wrapping_p): Likewise.
2420 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2424 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2425 if the if is really empty.
2427 2005-08-09 Steven Bosscher <stevenb@suse.de>
2429 PR tree-optimization/23234
2430 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2431 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2432 argument of the new enum.
2433 (execute_cse_reciprocals): Add reciprocals for function arguments
2434 on the unique successor edge of the entry block. Update other calls
2435 to execute_cse_reciprocals_1.
2437 2005-08-08 Richard Henderson <rth@redhat.com>
2440 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2442 2005-08-08 Bob Wilson <bob.wilson@acm.org>
2444 * expr.c (write_complex_part): Return after handling MEM.
2446 2005-08-08 Josh Conner <jconner@apple.com>
2448 PR rtl-optimization/23241
2449 * combine.c (simplify_comparison): Fix error in determining
2450 whether to lift a subreg from comparison.
2452 2005-08-08 David Edelsohn <edelsohn@gnu.org>
2455 * config/rs6000/altivec.md (vec_init<mode>): New.
2456 (vec_set<mode>): New.
2457 (vec_extract<mode>): New.
2458 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2459 (rs6000_expand_vector_set): New.
2460 (rs6000_expand_vector_extract): New.
2461 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2462 for Altivec modes before reload.
2463 (altivec_expand_vec_init_builtin): New.
2464 (get_element_number): New.
2465 (altivec_expand_vec_set_builtin): New.
2466 (altivec_expand_vec_ext_builtin): New.
2467 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2469 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2471 * config/rs6000/rs6000.h (rs6000_builtins): Add
2472 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2473 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2474 * config/rs6000/rs6000-protos.h: Declare new functions.
2476 2005-08-08 Jan Hubicka <jh@suse.cz>
2478 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2479 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2480 * i386.md (movdi*): Use pic_32bit_operand.
2481 * predicates.md (pic_32bit_operand): New.
2483 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
2486 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2488 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
2490 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2491 (test_for_singularity): Use fold_build2.
2493 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2495 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2497 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
2499 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2500 (COMMON_ASM_OP) Define.
2501 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2502 (ix86_encode_section_info): Likewise.
2503 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2504 SUBTARGET_ENCODE_SECTION_INFO.
2506 2005-08-06 Richard Henderson <rth@redhat.com>
2509 * tree-nested.c (convert_local_reference): Save and restore val_only
2510 around component_ref and friends. Clear walk_subtrees by default.
2512 2005-08-06 Peter O'Gorman <peter@pogma.com>
2515 * gcc.c (process_command): Check the argument to -b has a dash.
2516 * doc/invoke.texi: Update -b and -V docs.
2518 2005-08-06 James E Wilson <wilson@specifix.com>
2520 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2522 2005-08-06 Michael Matz <matz@suse.de>
2524 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2525 member only if only one insn is associated with the value.
2527 2005-08-06 Nick Clifton <nickc@redhat.com>
2529 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2531 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2532 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2533 Check symbol flags instead of symbol name mangling.
2534 (xstormy16_asm_output_aligned_common): Likewise. Also
2535 simplify code since the bss100_section cass is the only case
2536 where the below100 code will be triggered.
2537 (xstormy16_encode_section_info): Encode below100 attribute
2538 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2540 (xstormy16_strip_name_encoding): Delete - this function is no
2542 (TARGET_STRIP_NAME_ENCODING): Undefine.
2543 * config/stormy16/stormy16-protos.h: Delete prototype for
2544 xstormy16_strip_name_encoding.
2546 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
2548 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2549 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2550 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2551 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2552 config/alpha/predicates.md, config/arc/arc.h,
2553 config/arm/arm.h, config/arm/ieee754-df.S,
2554 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2555 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2556 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2557 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2558 config/m68hc11/m68hc11.h, config/mips/mips.c,
2559 config/mips/mips.h, config/mips/openbsd.h,
2560 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2561 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2562 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2563 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2564 config/sparc/linux.h, config/sparc/linux64.h,
2565 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2566 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2567 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2568 typos. Follow spelling conventions.
2570 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2573 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2574 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2575 specially. Check for side effects only for COND_EXPR.
2576 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2577 return with TREE_NO_WARNING.
2579 2005-08-06 Richard Sandiford <richard@codesourcery.com>
2581 PR rtl-optimization/23233
2582 * loop.c (combine_movables): Require the modes to be the same.
2583 (move_movables): Remove handling of cases where the replacement
2584 had a different mode to the original.
2586 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
2588 PR tree-optimization/23128
2589 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2590 subtraction wrap, and set TREE_OVERFLOW if they do.
2592 2005-08-05 Richard Henderson <rth@redhat.com>
2595 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2596 FORCED_LABEL labels.
2598 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2601 * reload.c (find_reloads_subreg_address): Pass down TYPE
2602 unchanged. Change all callers except find_reloads_toplev.
2604 2005-08-05 Michael Matz <matz@suse.de>
2606 * genattrtab.c (current_alternative_string): Remove.
2607 (SIMPLIFY_ALTERNATIVE): Ditto.
2608 (attr_alt_bit_p): Ditto.
2609 (alternative_name): Make const char *.
2610 (evaluate_eq_attr): Remove use of above things.
2611 (simplify_test_exp): Ditto.
2612 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2613 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2615 2005-08-04 James E Wilson <wilson@specifix.com>
2617 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2618 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2619 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2620 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2621 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2623 2005-08-04 Richard Henderson <rth@redhat.com>
2626 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2627 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2628 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2629 if we'd have to instantiate too many members.
2631 2005-08-04 Richard Henderson <rth@redhat.com>
2634 * tree-outof-ssa.c (coalesce_asm_operands): New.
2635 (coalesce_ssa_name): Use it. Split out ...
2636 (coalesce_phi_operands, coalesce_result_decls): ... these.
2638 2005-08-04 Paul Brook <paul@codesourcery.com>
2640 * read-rtl.c (read_quoted_string): Break if EOF.
2642 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2644 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2645 (fold_build2): Likewise.
2646 (fold_build3): Likewise.
2647 (fold_build1_stat): New function prototype.
2648 (fold_build2_stat): Likewise.
2649 (fold_build3_stat): Likewise.
2650 * fold-const.c (fold_build1): Rename to ..
2651 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2652 through to build1_stat.
2653 (fold_build2): Rename to ..
2654 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2655 through to build2_stat.
2656 (fold_build3): Rename to ..
2657 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2658 through to build3_stat.
2660 2005-08-04 David Edelsohn <edelsohn@gnu.org>
2661 Ian Lance Taylor <ian@airs.com>
2663 * function.c (assign_stack_local_1): Do not correct stack slot
2664 address if allocation size is smaller than mode size.
2666 2005-08-04 Diego Novillo <dnovillo@redhat.com>
2669 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2670 (tree_merge_blocks): Propagate anything allowed by
2672 Clarify documentation.
2673 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2674 SSA form, schedule an update if necessary.
2676 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2678 * doc/install.texi (Binaries): Remove broken link to
2679 Sinix/Reliant Unix binaries.
2681 2005-08-03 Richard Henderson <rth@redhat.com>
2684 * function.c (stack_protect_epilogue): Export.
2685 * tree.h (stack_protect_epilogue): Declare.
2686 * calls.c (expand_call): Call it.
2688 2005-08-03 Eric Christopher <echristo@apple.com>
2690 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2691 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2694 2005-08-04 Jan Hubicka <jh@suse.cz>
2696 * profile.c (branch_prob): Split edges with goto locus on them
2697 to get proper line counts.
2698 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2700 2005-08-03 Paul Brook <paul@codesourcery.com>
2702 * function.c (assign_parms): Round current_function_args_size
2703 to PARM_BOUNDARY, not STACK_BOUNDARY.
2705 2005-08-03 Geoffrey Keating <geoffk@apple.com>
2707 * config/i386/i386.c (x86_elf_aligned_common)
2708 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2710 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2712 PR tree-optimization/23157
2713 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2714 before emitting them.
2716 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2718 PR tree-optimization/19899
2719 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2720 * tree-scalar-evolution.c: Include real.h.
2721 (add_to_evolution): Build constant -1 of correct type.
2723 2005-08-03 Jan Hubicka <jh@suse.cz>
2725 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2726 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2727 profile updating for complette unrolling.
2728 * loop-unroll.c (peel_loop_completely): Use it.
2729 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2730 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2733 2005-08-03 Paul Brook <paul@codesourcery.com>
2735 * combine.c (can_change_dest_mode): New function.
2736 (try_combine, simplify_set): Use it.
2738 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2740 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2743 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2745 * doc/install.texi (Specific): Adjust link to openavr.org.
2746 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2747 (Binaries): Adjust HP-UX Porting Center link.
2748 (Binaries): Adjust Free Software Foundation ordering link.
2750 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2752 * convert.c (convert_to_integer): Use fold_build1 instead of
2753 build1 when converting an integer to an integer.
2755 2005-08-02 Richard Henderson <rth@redhat.com>
2757 * combine.c (combine_instructions): Don't use reg_equal/equiv
2758 results if the mode doesn't match.
2760 2005-08-02 Mark Mitchell <mark@codesourcery.com>
2762 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2763 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2765 2005-08-02 Richard Henderson <rth@redhat.com>
2768 * explow.c (memory_address): Remove special-case for
2769 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2771 2005-08-02 Diego Novillo <dnovillo@redhat.com>
2774 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2775 number of calls to cleanup_tree_cfg_1.
2777 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2779 * doc/invoke.texi: document file extensions .F90 and .F95
2781 2005-08-02 Richard Guenther <rguenther@suse.de>
2783 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2784 positive if its first argument is positive.
2786 2005-08-02 Richard Guenther <rguenther@suse.de>
2788 PR tree-optimization/23177
2789 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2792 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
2794 PR tree-optimization/23129
2795 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2796 varying for divisions with anti-ranges.
2798 2005-08-02 Jan Hubicka <jh@suse.cz>
2800 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2801 * tree-ssa-threadupdate.c (thread_block): Add it here.
2803 2005-08-01 James E Wilson <wilson@specifix.com>
2805 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2806 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2807 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2809 * config/mips/predicates.md (const_call_insn_operand): Add check for
2810 SYMBOL_REF_LONG_CALL_P.
2811 * doc/extend.texi (long_call): Document the new attribute.
2813 2005-08-01 Ian Lance Taylor <ian@airs.com>
2814 Richard Henderson <rth@redhat.com>
2816 * Makefile.in (RTL_BASE_H): Add real.h.
2817 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2819 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2821 * rtl.c (rtl_check_failed_code_mode): New.
2822 * rtl.h (struct rtx_def): Add u.rv.
2823 (XCMWINT, XCNMPRV): New.
2824 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2825 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2827 2005-08-01 Richard Henderson <rth@redhat.com>
2829 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2830 with auto-inc codes.
2832 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2834 2005-08-01 Jan Hubicka <jh@suse.cz>
2836 * i386-protos.h (asm_preferred_eh_data_format): Declare.
2837 * i386.c: Include dwarf2.h
2838 (asm_preferred_eh_data_format): New.
2839 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2841 2005-08-01 Ian Lance Taylor <ian@airs.com>
2843 * config/host-linux.c (linux_gt_pch_get_address): Add new name
2844 randomize_va_space for virtual address randomization control.
2846 2005-08-01 Steven Bosscher <stevenb@suse.de>
2848 * common.opt (flag_ipa_cp): Put in right place to maintain
2851 2005-08-01 Jan Hubicka <jh@suse.cz>
2853 * profile.c (compute_value_histograms): Fix thinko.
2854 * value-prof.c: Include toplev.h
2855 (check_counter): New function.
2856 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2857 tree_mod_subtract_transform): Add sanity check.
2859 2005-08-01 Richard Guenther <rguenther@suse.de>
2861 PR tree-optimization/23133
2862 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2863 current functions parameter decls to find defs to cse
2866 2005-08-01 Richard Guenther <rguenther@suse.de>
2868 PR tree-optimization/23109
2869 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2870 If trapping math is in effect, use post-dominator information
2871 to check if we'd in any case reach a trapping point before
2872 doing the reciprocal insertion.
2873 (execute_cse_reciprocals): Compute post-dominators, if necessary.
2874 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2875 expressions are invariant only if trapping math is not in effect.
2877 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2879 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2880 cgraph_function_versioning): New declarations.
2881 * cgraphunit.c: Add include to ipa-prop.h.
2882 (update_call_expr, cgraph_copy_node_for_versioning,
2883 cgraph_function_versioning): New functions.
2884 * integrate.c (copy_decl_for_inlining): Remove.
2885 * ipa-prop.h (ipa_replace_map): New struct.
2886 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2887 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2888 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2889 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2890 ipcp_iterate_stage, ipcp_method_scale_print,
2891 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2892 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2893 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2894 ipcp_update_bb_counts, ipcp_update_profiling,
2895 ipcp_update_edges_counts): New functions.
2896 (ipcp_method_cval_init): Remove restriction regarding local methods.
2897 (ipcp_init_stage): Add ipcp_method_compute_scale.
2898 (ipcp_insert_stage): Add versioning.
2899 (ipcp_structures_print): Add ipcp_method_scale_print.
2900 (ipcp_driver): Dump profiling info.
2901 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2902 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2903 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2904 (struct inline_data): Add versioning_p, ipa_info, new fields.
2905 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2906 declare_return_variable): Replace calls to copy_decl_for_inlining with
2908 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2910 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2911 Add argument VERSIONING.
2912 (copy_arguments_for_versioning, copy_static_chain,
2913 function_versionable_p, tree_versionable_function_p,
2914 tree_function_versioning, replace_ref_tree): New functions.
2915 * tree-inline.h: Include varray.h.
2916 (tree_versionable_function_p, tree_function_versioning,
2917 tree copy_decl_for_dup): New declarations.
2919 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2921 * ipa-cp.c: New file. Contains IPCP specific functionality.
2922 * ipa-prop.h: New file. Contains structures/definitions that can be
2923 used by several interprocedural data flow optimizations (and also IPCP).
2924 * ipa-prop.c: New file.
2925 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2926 * common.opt: Add ipa-cp flag.
2927 * timevar.def: Add IPCP optimization.
2928 * tree-optimize.c (init_tree_optimization_passes): Schedule
2930 * tree-pass.h (pass_ipa_cp): Declare.
2932 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
2934 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2935 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2936 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2937 config/i386/i386.c, config/mips/mips.h,
2938 config/rs6000/rs6000.h, config/sh/sh.c,
2939 config/stormy16/stormy16.c: Fix comment typos.
2941 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
2944 * c-typeck.c (build_binary_op): Use common_type wrapper on
2946 (common_type): Update comment.
2948 2005-07-31 Steven Bosscher <stevenb@suse.de>
2951 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2952 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2953 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2955 2005-07-31 Jan Hubicka <jh@suse.cz>
2957 * pretty-print.h (pp_widest_integer): New macro.
2958 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2961 2005-07-31 Jan Hubicka <jh@suse.cz>
2963 * output.h (enum section_category): Export from varasm.c
2964 (categorize_decl_for_section): Likewise.
2965 * varasm.c (enum section_category): Kill.
2966 (categorize_decl_for_section): Make global.
2967 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2969 * i386.c (ix86_section_threshold): New static variable.
2970 (ix86_in_large_data_p, ix86_encode_section_info,
2971 x86_64_elf_unique_section,
2972 x86_64_elf_select_section): New functions.
2973 (TARGET_ENCODE_SECTION_INFO): Define
2974 (override_options): Enable medium model for PIC.
2975 (ix86_expand_prologue): Expand gen_set_got_rex64.
2976 (legitimate_constant_p): Handle new UNSPECs.
2977 (legitimate_pic_address_disp_p): Likewise.
2978 (legitimize_pic_address): Lower MEDIUM model addressing.
2979 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2980 (enum cmodel): Add MEDIUM_PIC.
2981 (SYMBOL_REF_FAR_ADDR_P): New macro.
2982 (SYMBOL_FLAG_FAR_ADDR): New flag.
2983 * i386.md (movdi): Support medium model.
2984 (set_got_rex64): New pattern.
2985 * i386.opt (mlarge-data-threshold): New flag.
2986 * predicates.md (zext_operand/sext_operand): Deal with medium model.
2987 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2988 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2989 TARGET_ASM_UNIQUE_SECTION): New.
2991 * invoke.texi (-mlarge_data_threshold): Document
2993 2005-07-31 Jan Hubicka <jh@suse.cz>
2995 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2996 (coalesce_vars): Likewise.
2997 * tree-ssa-live.c (coalesce_cost): New.
2998 (build_tree_conflict_graph): Use coalesce_cost.
2999 * tree-ssa-live.h (coalesce_cost): Declare.
3001 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3003 * arm.md (all peepholes for post-increment operations): Delete.
3004 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3005 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3006 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3007 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3008 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3010 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3012 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3015 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3018 * doc/invoke.texi: Document -rdynamic.
3020 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3023 * c-parser.c (c_parser_parms_list_declarator): Call
3024 mark_forward_parm_decls.
3025 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3026 decls with visibility structure.
3028 2005-07-30 Paul Brook <paul@codesourcery.com>
3030 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3032 2005-07-30 Paul Brook <paul@codesourcery.com>
3034 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3036 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3038 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3040 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3043 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3044 nested function declarators.
3045 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3046 (grokparms): Call warn_if_shadowing for parameters used within the
3048 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3049 not used within the parameter list.
3050 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3052 2005-07-30 Jan Hubicka <jh@suse.cz>
3054 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3055 * i386.c (ix86_fixup_binary_operands): Likewise.
3056 (ix86_expand_unary_operator): Likewise.
3057 (ix86_expand_fp_absneg_operator): Likewise.
3058 * optabs.c (expand_vec_cond_expr): Validate dest.
3060 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3063 * real.c (real_from_string): Also set last bit if there is a
3064 nonzero hex digit beyond GCC's internal precision after ".".
3066 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3068 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3069 define_constants. Change duplicate values to unassigned numbers.
3070 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3071 (*altivec_vspltsf): New.
3072 (altivec_vperm_v4sf): Delete.
3073 (altivec_vperm_<mode>): Use mode macro V.
3074 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3075 (altivec_predicate_v4sf): Delete.
3076 (altivec_predicate_<mode>): Use mode macro V.
3077 (*altivec_lvesfx): New.
3078 (*altivec_stvesfx): New.
3079 (vec_realign_load_v4sf): Delete.
3080 (vec_realign_load_<mode>): Use mode macro V.
3081 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3084 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3087 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3089 * configure: Regenerated.
3091 2005-07-29 Paul Brook <paul@codesourcery.com>
3093 * doc/install.texi: Add link to GFortran binaries wiki page.
3095 2005-07-29 David Ung <davidu@mips.com>
3097 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3098 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3099 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3100 * config/mips/mips.md (cpu): Add 5kf name.
3101 (includes): Includes 5k.md.
3102 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3103 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3106 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3109 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3110 (cleanup_tree_cfg): ... here.
3111 Call cleanup_tree_cfg_1 until there are no more cleanups to
3114 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3116 * tree-vrp.c (compare_range_with_value): Return true or false
3117 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3118 EQ_EXPR respectively.
3120 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3122 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3125 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3127 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3128 (tree_ssa_dominator_optimize): Increment it.
3129 (dump_dominator_optimization_stats): Print it.
3131 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3132 Steven Bosscher <stevenb@suse.de>
3134 PR rtl-optimization/23117
3135 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3136 when head == tail. Tidy comment.
3138 2005-07-28 Richard Henderson <rth@redhat.com>
3140 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3141 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3142 * jump.c (rtx_renumbered_equal_p): Likewise.
3143 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3144 CONST_INT and CONST_DOUBLE.
3145 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3146 * reload.c (operands_match_p): Special case CONST_INT and
3147 CONST_DOUBLE; check mode earlier.
3149 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3152 * c-typeck.c (convert_for_assignment): Do not check
3153 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3155 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3158 * c-typeck.c (composite_type): Prefer constant size arrays to
3161 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3164 * real.c (real_from_string): Set last bit if there is a nonzero
3165 hex digit beyond GCC's internal precision.
3167 2005-07-28 Richard Henderson <rth@redhat.com>
3170 * cfgcleanup.c (try_forward_edges): Watch out for end of
3173 2005-07-28 James E Wilson <wilson@specifixinc.com>
3176 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3178 2005-07-28 Jan Hubicka <jh@suse.cz>
3180 * Makefile.in (rtl-profile.o): Kill all traces of it.
3181 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3182 * coverage.h (rtl_coverage_counter_ref): Kill.
3183 * opts.c (flag_speculative_prefetching_set): Kill.
3184 (flag_loop_optimize_set): New.
3185 (common_handle_option): Disable loop optimizer when profiling;
3186 do not handle speculative prefetching.
3187 * passes.c (init_optimization_passes): Replace pass_profiling combo
3188 by branch_prob pass.
3189 * profile.c (compute_value_histograms): Update for simplified value
3191 (rtl_register_profile_hooks): Kill.
3192 (pass_profiling): Kill.
3193 (rest_of_handle_branch_prob): Do not profile.
3194 * toplev.c (process_options): Remove speculative prefetching.
3195 * toplev.h (flag_tree_based_profiling): Kill.
3196 * tree-profile.c (prepare_instrumented_value,
3197 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3198 tree_gen_one_value_profiler, do_tree_profiling): Update for
3199 simplified datastructures.
3200 * value-prof.c: Add comment that speculative prefetching was dropped;
3201 update rest of file for simplified datastructures.
3202 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3203 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3204 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3205 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3206 rtl_mod_subtract, gen_speculative_prefetch,
3207 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3208 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3209 (gate_handle_value_profile_transformations,
3210 rest_of_handle_value_profile_transformations,
3211 pass_value_profile_transformations): Kill.
3212 * value-prof.h (histogram_value_t): Remove IL based unions.
3213 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3214 rtl_profile_hooks): Remove hooks.
3216 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3218 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3219 (cgraph_clone_node): Likewise.
3220 * cgraph.h (cgraph_clone_edge): Update prototype.
3221 (cgraph_clone_node): Likewise.
3222 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3224 (lookup_recursive_calls): Consider profile.
3225 (cgraph_decide_recursive_inlining): Fix updating; use new
3226 probability argument; use profile.
3227 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3228 * tree-inline.c (copy_bb): Update clal of clone_edge.
3229 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3231 * invoke.texi (min-inline-recursive-probability): Document.
3233 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3235 * doc/install.texi (Configuration): Update Valgrind homepage.
3237 2005-07-28 Richard Henderson <rth@redhat.com>
3240 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3241 labels we want to delete.
3242 (cfg_layout_merge_blocks): Likewise.
3244 2005-07-28 Richard Henderson <rth@redhat.com>
3247 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3248 when expanding to nothing.
3250 2005-07-28 Josh Conner <jconner@apple.com>
3252 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3253 (cgraph_decide_inlining_of_small_functions): Likewise.
3255 2005-07-28 Josh Conner <jconner@apple.com>
3257 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3258 direction of badness if negative.
3259 (cgraph_default_inline_p): Add reason to parameters, and assign it
3261 (cgraph_decide_inlining_of_small_functions): New parameter in call
3262 to cgraph_default_inline_p.
3263 (cgraph_decide_inlining_incrementally): Likewise.
3264 * cgraphunit.c (decide_is_function_needed): Likewise.
3265 * cgraph.h (cgraph_default_inline_p): Likewise.
3267 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3269 * builtins.c: Fix comment typo(s).
3270 * genautomata.c: Likewise.
3271 * gimplify.c: Likewise.
3272 * tree-dfa.c: Likewise.
3273 * tree-flow-inline.h: Likewise.
3274 * tree-into-ssa.c: Likewise.
3275 * tree-ssa-alias.c: Likewise.
3276 * tree-ssa-ccp.c: Likewise.
3277 * tree-ssa-copy.c: Likewise.
3278 * tree-ssa-dce.c: Likewise.
3279 * tree-ssa-dom.c: Likewise.
3280 * tree-ssa-operands.c: Likewise.
3281 * tree-tailcall.c: Likewise.
3282 * tree-vectorizer.c: Likewise.
3283 * tree-vrp.c: Likewise.
3286 2005-07-28 Jeff Law <law@redhat.com>
3288 * tree-vrp.c (test_for_singularity): Extracted from ...
3289 (simplify_cond_using_ranges): Attempt to simplify a relational
3290 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
3292 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
3294 PR tree-optimization/22506
3295 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3296 phis whose argument is constant.
3298 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
3300 PR rtl-optimization/18992
3301 Back out this patch:
3302 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3303 PR optimization/12142
3304 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3305 uses of the register in the SET_SRC. Remove unnecessary argument.
3307 Replace it with this:
3308 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3309 if flag_non_call_exceptions is set and the insn may trap, pass
3310 pc_rtx as dest for recursion.
3311 In SET_SRC part of SET case, if dest is already set, pass it down
3314 2005-07-28 Jan Hubicka <jh@suse.cz>
3316 * cfg.c (update_bb_profile_for_threading): Use RDIV.
3317 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3318 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3320 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3321 profile when available.
3323 2005-07-28 Jan Beulich <jbeulich@novell.com>
3325 * config/ia64/ia64.c (ia64_load_pair_ok): New.
3326 (ia64_print_operand): Describe and handle 'X'.
3327 (ia64_register_move_cost): Also handle FP_REGS.
3328 (ia64_preferred_reload_class): Likewise.
3329 (ia64_secondary_reload_class): Likewise.
3330 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3331 it. Also check for ITANIUM_CLASS_FLDP.
3332 * config/ia64/ia64.h (FP_REGNO_P): New.
3333 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3334 (reg_class): Add FP_REGS.
3335 (REG_CLASS_NAMES): Adjust for it.
3336 (REG_CLASS_CONTENTS): Likewise.
3337 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3338 (REG_CLASS_FROM_LETTER): Handle 'x'.
3339 (CLASS_MAX_NREGS): Handle FP_REGS.
3340 (MEMORY_MOVE_COST): Likewise.
3341 * config/ia64/ia64.md (itanium_class): Add fldp.
3342 (type): Handle fldp.
3343 (movti_internal): More allowable operand combinations. Use ldfp8 when
3344 splitting unnecessary. Remove predicable attribute. Adjust
3345 itanium_class attribute.
3346 (smuldi3_highpart): Remove outdated comment.
3347 (mulditi3, umulditi3, rotlti3): New expanders.
3348 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3349 (absti2): Disabled new insn for future reference.
3350 Respective new splitters.
3351 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3352 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3353 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3355 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
3357 PR rtl-optimization/23047
3358 * simplify-rtx.c (simplify_const_relational_operation): Respect
3359 flag_wrapv for comparisons with ABS.
3361 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
3363 PR tree-optimization/22493
3364 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3365 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3367 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
3369 * config/frv/frv.opt (moptimize-membar): New.
3371 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3373 * config/frv/frv.h: Remove machine_function definition.
3375 * config/frv/frv.c (struct frv_io): New.
3376 (struct machine_function): Moved from frv.h. Add has_membar_p.
3377 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3378 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3379 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3380 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3381 (frv_reorg): Call frv_optimize_membar when appropriate.
3382 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3383 (frv_expand_builtin): Adjust calls accordingly.
3384 (frv_io_address_cookie): New function.
3385 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3386 load or store rather than a special insn. Add ccnstant address and
3387 io-type operands to the membar.
3388 (frv_ifcvt_modify_tests): Unsign regno.
3389 (frv_ifcvt_modify_tests): Same.
3391 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3392 UNSPEC_OPTIONAL_MEMBAR constant.
3393 (builtin_read_<mode>): Delete.
3394 (builtin_write_<mode>): Delete.
3395 ("optional_membar_<mode>"): Add operand.
3397 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3398 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3399 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3400 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3401 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3402 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3403 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3404 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3405 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3407 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3409 * df.c (df_uses_record): Handle SCRATCH.
3411 2005-07-28 Steven Bosscher <stevenb@suse.de>
3414 * passes.c (rest_of_decl_compilation): If decl is a type and
3415 we have encountered errors, don't emit debug information.
3417 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3419 * params.def: Fixed comment.
3421 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3424 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3425 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3426 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3428 2005-07-27 Steven Bosscher <stevenb@suse.de>
3431 * varasm.c (assemble_start_function): Don't do anything that may
3432 require a CFG if the current function is a thunk.
3434 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3436 * doc/install.texi (Prerequisites): Mention that perl is needed
3437 to do export control in libstdc++ targetting Darwin.
3439 2005-07-27 Steven Bosscher <stevenb@suse.de>
3441 PR rtl-optimization/17808
3442 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3443 (sched_insns_conditions_mutex_p): Split out from...
3444 (add_dependence): ...here. But don't call it from here.
3445 (add_dependence_list): Check sched_insns_conditions_mutex_p
3446 before calling add_dependence.
3447 (add_dependence_list_and_free): Likewise.
3448 (fixup_sched_groups): Likewise.
3449 (sched_analyze_1): Likewise.
3450 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3451 (sched_analyze): Likewise.
3452 (sched_analyze_insn): Likewise.
3453 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3454 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3455 dependencies on all COND_EXEC insns to jumps ending basic blocks
3456 when doing intrablock scheduling.
3457 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3459 2005-07-27 Jeff Law <law@redhat.com>
3461 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3462 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
3463 equivalency sets, correctly handle the case were vr0 has an
3464 equivalency set, but vr1 does not.
3466 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
3468 PR tree-optimization/23073
3469 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3470 vect_print_dump_info before fprintf.
3472 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3474 PR tree-optimize/22348
3475 * tree-ssa-loop-niter.c (number_of_iterations_cond):
3476 Fold the partial computation.
3478 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3480 PR tree-optimization/22325
3481 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3483 * tree-scalar-evolution.c (scev_const_prop): Add generic final
3485 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3486 (force_var_cost): ... this function.
3487 (compute_phi_arg_on_exit): Export.
3489 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3491 PR tree-optimization/20773
3492 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3495 2005-07-27 Richard Guenther <rguenther@suse.de>
3497 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3498 Avoid pushing again if current struct contains only
3499 fields we decomposed.