1 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
3 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
4 case, define as macros.
6 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
8 * doc/install.texi: Update URL for Jacks.
9 * doc/sourcebuild.texi: Likewise.
11 2005-09-22 David Edelsohn <edelsohn@gnu.org>
14 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
15 registers when choosing register preferences.
16 (movdf_hardfloat64): Same.
18 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
20 * expmed.c (expand_shift): Don't use the target of the rotate as
21 target for the first expanded shift insn.
22 * testsuite/gcc.dg/20050922-1.c: Testcase added.
24 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
26 PR tree-optimization/22438
27 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
28 preserved iv rhs rewriting specially.
30 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
32 * tree-data-ref.c (analyze_array_indexes): Only estimate when
33 estimate_only is true.
34 * tree-flow.h (ref_contains_indirect_ref): New prototype.
35 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
36 tree-ssa-structalias.c
37 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
38 ref_contains_indirect_ref.
39 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
41 2005-09-21 DJ Delorie <dj@redhat.com>
43 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
45 (mn10300_return_in_memory): Support variable size types also.
46 (mn10300_pass_by_reference): Likewise.
47 (mn10300_function_value): New.
48 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
49 (FUNCTION_OUTGOING_VALUE): Likewise.
50 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
51 * doc/invoke.texi: Document it.
53 2005-09-21 Uros Bizjak <uros@kss-loka.si>
56 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
57 force integer op1 into register for XFmode compares.
59 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
62 * expmed.c (alg_code): Add alg_impossible.
63 (alg_hash_entry): Add cost.
64 (synth_mult): Record alg_impossible in the hash table if
65 multiplication by a given integer is impossble within the
66 limit. Speed up using alg_impossible.
68 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
70 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
71 argument. Allow and set any offset if needs_anyoffset is passed
73 (get_constraint_for): Add argument here too.
75 (do_structure_copy): Pass NULL to get_constraint_for.
76 (handle_ptr_arith): Ditto.
77 (find_func_aliases): Ditto.
79 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
81 PR rtl-optimization/23898
82 * output.h (get_attr_min_length): Declare.
83 * final.c (get_attr_length_1): New function, broken out of:
85 (get_attr_min_length): New function.
86 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
87 (duplicate_computed_gotos): Likewise.
88 * genattr.c (insn_min_length): Generate declaration.
89 * genattrtab.c (min_fn, min_attr_value): New functions.
90 (make_length_attrs): Generate insn_min_length.
92 2005-09-20 Steve Ellcey <sje@cup.hp.com>
94 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
96 2005-09-20 Richard Henderson <rth@redhat.com>
98 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
101 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
103 * c.opt (fextended-identifiers): New.
104 * c-opts.c (c_common_handle_option): Handle
105 -fextended-identifiers.
106 * doc/cpp.texi: Update documentation of extended identifiers.
107 * doc/cppopts.texi (-fextended-identifiers): Document.
109 2005-09-20 Jakub Jelinek <jakub@redhat.com>
111 PR tree-optimization/23929
112 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
115 PR tree-optimization/23818
116 * tree-stdarg.c (execute_optimize_stdarg): Call
117 calculate_dominance_info.
119 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
121 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
122 (analyze_siv_subscript_cst_affine): Add weak SIV test.
123 (compute_overlap_steps_for_affine_1_2): Use
124 get_number_of_iters_for_loop.
125 (analyze_subscript_affine_affine): Check whether difference is
127 Use get_number_of_iters_for_loop.
128 Check whether overlap occurs outside of bounds.
129 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
131 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
133 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
134 base register if possible.
136 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
138 PR tree-optimization/18463
139 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
140 converting it directly is not possible.
141 (chrec_convert_aggressive): New function.
142 * tree-chrec.h (chrec_convert_aggressive): Declare.
143 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
144 Fold chrec conversions aggressively if asked to.
145 (instantiate_parameters): Modified because of changes in
146 instantiate_parameters_1.
148 2005-09-19 Richard Henderson <rth@redhat.com>
150 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
151 (reduc_splus_v2df): New.
153 2005-09-19 Richard Sandiford <richard@codesourcery.com>
155 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
156 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
158 2005-09-19 Richard Henderson <rth@redhat.com>
160 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
163 2005-09-19 Richard Henderson <rth@redhat.com>
165 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
166 (ia64_expand_dot_prod_v8qi): New.
167 * config/ia64/ia64-protos.h: Update.
168 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
169 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
170 sdot_prodv8qi, sdot_prodv4hi): New.
171 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
173 2005-09-19 Richard Henderson <rth@redhat.com>
176 * real.c (exact_real_truncate): Return false if the format cannot
177 represent the number as a normal.
179 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
182 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
184 * tree-ssa-operands.c (swap_tree_operands): Export.
185 * tree.h (swap_tree_operands): Declare.
186 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
187 Call swap_tree_operands.
189 2005-09-19 Richard Henderson <rth@redhat.com>
191 * tree-flow.h (merge_alias_info): Declare.
192 * tree-ssa-copy.c (merge_alias_info): Export.
193 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
194 (vect_create_data_ref_ptr): Use create_iv directly.
195 (vectorizable_load): Use correct types for integer constants.
196 (vect_generate_tmps_on_preheader): Likewise.
197 (vect_gen_niters_for_prolog_loop): Likewise.
199 2005-09-19 Steven Bosscher <stevenb@suse.de>
201 PR rtl-optimization/23943
202 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
204 2005-09-18 Jan Hubicka <jh@suse.cz>
206 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
208 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
210 * varasm.c (output_constant): Do not abort on conversions to union
211 types between different sizes.
213 2005-09-18 Richard Guenther <rguenther@suse.de>
216 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
219 2005-09-18 Paul Brook <paul@codesourcery.com>
221 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
223 2005-09-17 Richard Henderson <rth@redhat.com>
225 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
226 * tree-ssa-loop.c (pass_vect_dce): Remove.
227 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
230 2005-09-17 Richard Henderson <rth@redhat.com>
232 * tree-pass.h (pass_vect_dce): Declare.
233 * passes.c (init_optimization_passes): Add it.
234 * tree-flow.h (tree_ssa_dce): Declare.
235 * tree-ssa-dce.c (tree_ssa_dce): Export.
236 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
237 (gate_tree_vectorize): ... here.
238 (pass_vect_dce): New.
240 2005-09-17 Jan Hubicka <jh@suse.cz>
242 * except.c (struct eh_status): Turn region_array into vec.
243 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
244 convert_from_eh_region_ranges, find_exception_handler_labels,
245 current_function_has_exception_handlers, assign_filter_values,
246 build_post_landing_pads, dw2_build_landing_pads,
247 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
248 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
249 foreach_reachable_handler, can_throw_internal_1,
250 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
252 (duplicate_eh_region_1): Update region_array.
253 (duplicate_eh_regions): Resize region_array and avoid recomputing.
255 2005-09-17 David Edelsohn <edelsohn@gnu.org>
258 * expmed.c (expand_mult): Substitute simple register for op0 when
261 2005-09-17 Richard Henderson <rth@redhat.com>
263 * expr.c (emit_move_via_integer): Add force argument, pass it on
264 to emit_move_change_mode. Update callers.
265 (emit_move_complex): Pass true to new force argument.
266 * function.c (expand_function_end): Move expand_eh_return call
267 earlier. Merge sub-word complex values into a pseudo before
268 copying to the return hard register.
270 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
272 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
273 between different sizes.
275 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
279 * passes.c (init_optimization_passes): Register dump files for
282 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
284 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
285 * config/s390/s390.c (s390_overlap_p): New function.
286 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
287 peephole2, "*xc" peephole2): Added overlap check to the peephole2
290 2005-09-16 Richard Guenther <rguenther@suse.de>
292 * ipa-pure-const.c (static_execute): Free auxiliar information.
293 * ipa-type-escape.c (discover_unique_type): Free temporary key.
294 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
296 2005-09-15 DJ Delorie <dj@redhat.com>
298 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
300 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
302 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
304 (swap_commutative_operands_with_target): New.
306 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
308 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
311 (estimate_iters_using_array): New function.
312 * tree-data-ref.h (estimate_iters_using_array): Prototype
313 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
314 Use estimate_iters_using_array instead of analyze_array.
316 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
318 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
321 2005-09-15 Michael Matz <matz@suse.de>
323 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
325 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
327 PR tree-optimization/23835
328 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
329 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
331 2005-09-14 Richard Henderson <rth@redhat.com>
333 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
334 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
336 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
338 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
339 in the ARRAY_TYPE case.
341 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
343 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
345 2005-09-14 Uros Bizjak <uros@kss-loka.si>
348 * tree-vect-transform.c (vectorizable_operation): Return false for
349 scalar shift operations and for vector shift operations with
350 non-invariant shift arguments. Use scalar tree operand op1 as
351 a shift operand when vector shift insn pattern uses scalar shift
353 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
355 2005-09-14 Olivier Hainque <hainque@adacore.com>
357 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
358 value if it has side-effects.
360 2005-09-14 David Edelsohn <edelsohn@gnu.org>
363 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
365 2005-09-14 Alan Modra <amodra@bigpond.net.au>
367 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
368 passed as NAME as if it were label at start of function code.
370 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
372 * config/sh/sh.md (*movv4sf_i): Add general register cases to
375 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
377 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
378 as early clobber. Rewrite so the PIC register is not implicitly used.
380 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
382 * tree.c (annotate_with_file_line): Compare line numbers before
385 2005-09-13 Uros Bizjak <uros@kss-loka.si>
388 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
389 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
391 2005-09-13 Ian Lance Taylor <ian@airs.com>
393 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
394 than a HOST_WIDEST_INT to gen_doloop_begin.
396 2005-09-13 Diego Novillo <dnovillo@redhat.com>
398 * tree-dfa.c (dump_variable): Guard against NULL annotations.
400 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
402 PR tree-optimize/23817
403 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
405 2005-09-13 Alan Modra <amodra@bigpond.net.au>
408 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
409 word before changing the stack pointer. Use gen_frame_mem for MEMs.
410 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
411 (restore_stack_nonlocal): Likewise.
412 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
414 2005-09-12 Ian Lance Taylor <ian@airs.com>
417 * c.opt (ffriend-injection): New C++ option.
418 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
419 (C++ Dialect Options): Document -ffriend-injection.
421 2005-09-12 Josh Conner <jconner@apple.com>
424 * ipa-reference.c (static_execute): Don't mark variables in
425 named sections TREE_READONLY.
427 2005-09-12 Alan Modra <amodra@bigpond.net.au>
429 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
432 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
434 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
435 V_MUST_DEF instead of just the first_use_p.
436 Don't mark the virtual variables for renaming on the statement which
438 (pass_dse): Remove TODO_update_ssa.
440 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
443 * stor-layout.c (compute_record_mode): For records with a single
444 field, actually check the field's mode size against the type size.
446 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
447 registers for TARGET_SHMEDIA.
448 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
449 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
450 of GENERAL_REGS and FP_REGS.
452 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
454 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
456 2005-09-12 Alan Modra <amodra@bigpond.net.au>
458 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
459 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
460 are omitted. Exclude stack_tie insn too.
462 2005-09-11 David Edelsohn <edelsohn@gnu.org>
464 PR rtl-optimization/23098
465 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
467 * config/rs6000/rs6000.md (movdf splitter): Use
468 const_double_operand predicate for TARGET_POWERPC64.
469 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
470 SYMBOL_REF method to ABI_V4.
472 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
473 replace_equiv_address.
474 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
475 rs6000_sr_alias_set and MEM_NOTRAP.
476 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
478 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
480 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
481 handle CALL_EXPR again.
483 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
485 * arm/predicates.md (alignable_memory_operand): Delete.
487 2005-09-10 Richard Henderson <rth@redhat.com>
490 * dbxout.c (dbxout_expand_expr): New.
491 (dbxout_symbol): Use it.
493 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
495 * arm.c (arm_gen_rotated_half_load): Delete.
496 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
497 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
498 (thumb_set_return_address): Likewise.
499 (thumb_load_double_from_address): Use adjust_address.
500 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
501 (extendhsisi2_mem, movhi_bytes): Use change_address.
502 (movhi): Use widen_memory_access.
503 (reload_out_df): Use replace_equiv_address.
504 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
506 2005-09-09 Richard Henderson <rth@redhat.com>
509 * dbxout.c: Include expr.h.
510 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
511 (dbxout_symbol): Handle DECL_VALUE_EXPR.
512 * Makefile.in (dbxout.o): Add EXPR_H.
514 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
516 PR tree-optimization/23509
517 * tree-cfg.c (replace_uses_by): Use replace_exp.
518 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
519 pointers have name_mem_tag or type_mem_tag set.
521 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
523 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
524 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
525 of wrongly accessing operands.
527 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
529 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
530 * tree-chrec.c: Include tree-scalar-evolution.h.
531 (chrec_convert): Instantiate the base and step before calling
532 scev_probably_wraps_p that would fail on parametric evolutions.
533 Collect all the fails into a single section failed_to_convert,
534 print a diagnostic, and return chrec_dont_know instead of calling
536 * tree-scalar-evolution.c (loop_closed_phi_def): New.
537 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
539 (scev_const_prop): Don't replace the definition of a loop closed ssa
540 phi node by itself, or by another loop closed ssa phi node.
541 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
542 that base and step are defined.
544 2005-09-09 Richard Guenther <rguenther@suse.de>
547 * fold-const.c (fold_ternary): Check truth_value_p before
548 calling invert_truthvalue.
550 2005-09-09 Nick Clifton <nickc@redhat.com>
552 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
553 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
554 dimension of these arrays.
555 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
557 * longlong.h: Only provide a prototype for the __clz_tab[] array
558 if this header has not been included from libgcc2.h.
559 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
561 Provide prototypes for exported functions.
562 Use the __clz_tab[] and __popcount_tab[] arrays provided by
565 2005-09-08 Josh Conner <jconner@apple.com>
569 * expr.c (expand_expr_addr_expr_1): Don't invoke
570 expand_simple_binop for EXPAND_INITIALIZER.
572 2005-09-08 Richard Henderson <rth@redhat.com>
575 * toplev.c (wrapup_global_declaration_1): Split out ...
576 (wrapup_global_declaration_2): ... from ...
577 (wrapup_global_declarations): ... here. Return bool.
578 (check_global_declaration_1): Split out ...
579 (check_global_declarations): from here.
580 (emit_debug_global_declarations): New.
581 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
582 check_global_declaration_1, emit_debug_global_declarations): Declare.
583 * c-decl.c (c_write_global_declarations_1): Don't create a vector
584 of decls. Call wrapup_global_declaration_1,
585 wrapup_global_declaration_2, check_global_declaration_1 directly.
586 (c_write_global_declarations_2): New.
588 (c_write_global_declarations): Call c_write_global_declarations_2.
589 * langhooks.c (write_global_declarations): Call
590 emit_debug_global_declarations.
592 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
593 remove decls that have DECL_RTL_SET_P.
594 * passes.c (rest_of_decl_compilation): Invoke
595 cgraph_varpool_finalize_decl for all but functions.
597 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
599 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
600 the result of a conversion if the new min and max cannot be compared.
602 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
604 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
605 (override_options): Setting s390_sr_alias_set removed.
606 (save_fpr, save_gprs): Set alias set to vararg or frame.
607 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
608 s390_sr_alias_set with get_frame_alias_set ().
609 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
610 get_varargs_alias_set ().
612 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
616 * c-parser.c (c_parser_objc_method_definition): If the next
617 token is not "{", error out and don't start the function.
619 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
621 * tree-vrp.c (extract_range_from_expr): Move the check for non
622 nullness after the check for gimple invariant.
624 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
626 * tree.c (host_integerp, tree_low_cst): Correct function comment.
628 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
631 * config/m32r.md (movmemsi_internal): Canonicalize order of
632 operands in PLUS component of template.
634 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
636 * reload1.c (fixup_eh_region_note): Remove assertion.
637 (fixup_abnormal_edges): Reverted removal of call to
638 find_many_sub_basic_blocks made on 2005-08-31.
640 2005-09-07 Richard Henderson <rth@redhat.com>
642 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
643 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
644 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
645 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
646 rearrange for better packing.
647 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
648 (lookup_cfa_1): Remove inline marker.
649 (cfa_equal_p): Split out of ...
650 (def_cfa_1): ... here. Use INVALID_REGNUM.
651 (build_cfa_loc): Handle !cfa->indirect.
652 (frame_pointer_cfa_offset): New.
653 (dbx_reg_number): Assert register elimination performed; do
654 leaf register remapping.
655 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
656 (eliminate_reg_to_offset): New.
657 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
658 for verifiably local stack frame addresses; re-base to CFA.
659 (mem_loc_descriptor): Remove can_use_fbreg argument.
660 (concat_loc_descriptor, loc_descriptor): Likewise.
661 (containing_function_has_frame_base): Remove.
662 (rtl_for_decl_location): Don't do register elimination or
663 leaf register remapping here.
664 (secname_for_decl): Split out from ..
665 (add_location_or_const_value_attribute): ... here.
666 (convert_cfa_to_loc_list): New.
667 (compute_frame_pointer_to_cfa_displacement): New.
668 (gen_subprogram_die): Use them.
669 * tree.h (frame_base_decl): Remove.
670 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
671 (prologue_stack_adjust): Remove.
672 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
673 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
674 (set_frame_base_location): Remove.
675 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
676 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
677 (vt_add_function_parameters): Don't eliminate_regs.
678 (vt_initialize): Don't create frame_base_decl.
680 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
682 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
683 version of GNU binutils for 4.x and later.
685 2005-09-06 Mark Mitchell <mark@codesourcery.com>
687 * ggc-page.c (ggc_push_context): Remove.
688 (ggc_pop_context): Likewise.
689 * ggc.h (ggc_push_context): Remove.
690 (ggc_pop_context): Likewise.
692 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
695 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
696 returning from an interrupt handler.
698 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
701 * config/arc/arc.c (output_shift): Add check for loop count when
704 2005-09-06 Steven Bosscher <stevenb@suse.de>
706 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
708 (abs_replacement): Likewise.
709 (pass_phiopt): Remove TODO_update_ssa.
711 2005-09-06 Jakub Jelinek <jakub@redhat.com>
714 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
715 if "return with no value, in function returning non-void" warning
717 * tree-cfg.c (execute_warn_function_return): Don't look at
718 RETURN_EXPRs with TREE_NO_WARNING set.
721 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
722 for internal functions doesn't use registers used by global registers
723 variables. Use fewer register parameters if there are global register
726 2005-09-06 Olivier Hainque <hainque@adacore.com>
727 Eric Botcazou <ebotcazou@adacore.com>
730 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
731 when we would be extracting outside its bit span (bitpos+bitsize
732 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
733 Ada unchecked conversions.
735 2005-09-06 Steven Bosscher <stevenb@suse.de>
737 * tree-ssa-pre.c (try_look_through_load): New function.
738 (compute_avail): Use it to try to look through loads for some
739 more useful expressions.
741 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
743 * simplify-rtx.c (simplify_binary_operation_1): Correct the
744 condition for detecting cases like (a&a) and (a^a).
746 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
748 * common.opt: Add option ftree-vect-loop-version.
749 * params.def: Add --param vect-max-version-checks.
750 * doc/invoke.texi: Document ftree-vect-loop-version and
751 --param vect-max-version-checks.
752 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
753 may_misalign_stmts and defines for accessors.
754 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
755 LOOP_VINFO_MAY_MISALIGN_STMTS.
756 (destroy_loop_vec_info): VEC_free for
757 LOOP_VINFO_MAY_MISALIGN_STMTS.
758 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
759 Update documentation.
760 (vect_update_misalignment_for_peel): New.
761 (vect_enhance_data_refs_alignment): Update to choose loop
762 peeling or loop versioning if appropriate for the (potentially)
763 unaligned data references in the loop.
764 (vect_analyze_data_refs_alignment): Remove call to
765 vect_enhance_data_refs_alignment so the checks can be done
767 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
768 and move up call to vect_analyze_data_refs_alignment.
769 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
770 (vect_transform_loop): Add call to loop_version.
772 2005-09-06 Jakub Jelinek <jakub@redhat.com>
774 PR rtl-optimization/23098
775 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
776 * simplify-rtx.c (constant_pool_reference_p): New function.
777 * rtl.h (constant_pool_reference_p): New prototype.
778 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
779 constant_pool_reference_p in condition and
780 avoid_constant_pool_reference in preparation statements.
782 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
784 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
785 STRICT_LOW_PART SETs.
787 2005-09-06 Alan Modra <amodra@bigpond.net.au>
790 * except.c (sjlj_emit_function_enter): Find the function begin
791 note even when it's not in first basic block.
793 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
795 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
796 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
797 * aclocal.m4: Regenerate.
799 2005-09-05 DJ Delorie <dj@redhat.com>
801 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
804 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
806 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
807 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
808 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
809 Follow spelling conventions.
810 * doc/invoke.texi: Follow spelling conventions.
812 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
814 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
815 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
816 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
818 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
821 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
822 (output_stack_adjust): Use gen_tmp_stack_mem.
823 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
824 (sh_set_return_address, sh_allocate_initial_value): Likewise.
825 (sh_get_pr_initial_val): Likewise.
826 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
827 (sh_initialize_trampoline): Likewise. Also use adjust_address.
828 * sh.md (divsi_inv_m0): Use gen_const_mem.
829 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
830 (movdf_i4+1): Use gen_tmp_stack_mem.
831 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
832 (fpu_switch+2): Likewise.
833 (movv4sf_i, movv16sf_i): Use adjust_address.
834 (symGOT_load): Set MEM_NOTRAP_P bit.
836 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
839 * pa.c (emit_move_sequence): Fix typo in last change.
841 2005-09-03 Jakub Jelinek <jakub@redhat.com>
843 PR rtl-optimization/23454
844 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
847 2005-09-03 Richard Henderson <rth@redhat.com>
848 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
851 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
854 2005-09-02 Nicolas Pitre <nico@cam.org>
856 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
857 to bit_count to 32 bits.
859 2005-08-31 Mark Mitchell <mark@codesourcery.com>
862 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
863 generating synthetic loads from volatile lvalues.
865 005-09-02 Nick Clifton <nickc@redhat.com>
867 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
868 __ctzhi2, __clzhi2): New functions.
870 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
873 * tree-nested.c (struct var_map_elt): Mark with GTY.
874 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
876 (lookup_field_for_decl): Allocate new element in GC memory.
877 (lookup_tramp_for_decl): Likewise.
878 (convert_nl_goto_reference): Likewise
879 (create_nesting_tree): Allocate info in GC memory. Likewise for
881 (free_nesting_tree): Free with ggc_free instead of free.
882 (root): New static variable.
883 (lower_nested_functions): Remove root as local variable. And zero out
884 root at the end of the function.
886 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
888 PR rtl-optimization/20365
889 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
890 to short. New member ix.
891 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
892 (simplify_plus_minus): Initialize ix members before calling qsort.
894 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
896 PR tree-optimization/23626
897 * tree-cfg.c (replace_uses_by): Clean up eh info.
899 2005-09-01 DJ Delorie <dj@redhat.com>
901 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
904 2005-09-01 David Edelsohn <edelsohn@gnu.org>
906 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
907 (rs6000_split_multireg_move): Use replace_equiv_address instead of
910 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
912 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
913 do not issue warning for a variable definition following
916 2005-09-01 Richard Henderson <rth@redhat.com>
919 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
920 conversion to CONST_VECTOR.
922 2005-09-01 Richard Henderson <rth@redhat.com>
925 * reload1.c (reload_as_needed): Check !CALL_P before calling
926 fixup_eh_region_note.
927 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
929 2005-09-01 DJ Delorie <dj@redhat.com>
931 * varasm.c (output_constant): Let the target resolve
932 conversions of addresses to non-default pointer sizes.
934 2005-09-01 Nicolas Pitre <nico@cam.org>
936 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
937 to alow matching ARM pre-indexed addressing mode.
938 (arm_override_options): Remove now irrelevant comment.
940 2005-09-01 Phil Edwards <phil@codesourcery.com>
942 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
943 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
944 * config/i386/vxworks.h: Likewise.
945 * config/i386/t-vxworksae: New file, for VxWorks AE.
946 * config/i386/vxworksae.h: Likewise.
948 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
950 PR tree-optimization/23410
951 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
952 sequence is not wrapping during the first step.
954 2005-09-01 Jakub Jelinek <jakub@redhat.com>
957 * dwarf2out.c (base_type_die): Compare char_type_node with
958 TYPE_MAIN_VARIANT (type), not type.
960 2005-09-01 Richard Guenther <rguenther@suse.de>
962 PR tree-optimization/15366
963 * common.opt: Add -finline-functions-called-once.
964 Put -fearly-inlining in alphabetically ordered place.
965 * doc/invoke.texi: Document new option.
966 * ipa-inline.c (cgraph_decide_inlining): Honour
967 flag_inline_functions_called_once.
969 2005-09-01 Jakub Jelinek <jakub@redhat.com>
971 PR rtl-optimization/23478
972 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
973 (alloc_qty): Initialize it.
974 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
975 (combine_regs): Combine also n_throwing_calls_crossed fields.
976 (find_free_reg): Don't attempt to caller-save pseudos crossing
977 calls that might throw.
978 * global.c (struct allocno): Add throwing_calls_crossed field.
979 (global_alloc): Revert 2005-08-22 change. Initialize
980 throwing_calls_crossed.
981 (find_reg): Don't attempt to caller-save pseudos crossing calls that
984 2005-09-01 Alan Modra <amodra@bigpond.net.au>
987 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
988 (mask64_operand): Reinstate code prior to 2005-06-11 change.
989 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
990 (and64_2_operand): Tweak to use predicate.
991 (and_operand): Adjust for mask_operand changes.
992 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
993 (print_operand): Likewise.
994 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
995 (mask64_1or2_operand): Delete.
996 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
997 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
998 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
999 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1000 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1001 (rotldi3_internal4): Likewise.
1002 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1003 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1004 (ashldi3_internal7): Likewise.
1005 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1006 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1007 (anddi3 split): Don't match mask64_operand.
1008 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1009 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1010 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1011 't' splitter predicate.
1012 (movdi_internal64 + 2): Revert 2005-06-11 change.
1014 2005-08-31 DJ Delorie <dj@redhat.com>
1016 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1017 (m32c_asm_integer): Add support for 32 bit pointers.
1019 2005-08-31 Richard Henderson <rth@redhat.com>
1021 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1022 component-like references for setting MEM_NOTRAP_P.
1024 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1025 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1027 2005-08-31 Richard Henderson <rth@redhat.com>
1029 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1030 into a pseudo before applying gen_lowpart.
1032 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1034 * doc/install.texi (Specific): Update cctools version required
1035 for full functionality.
1036 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1037 linkers as -macosx_version_min.
1039 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1042 * sh.c (print_operand, %R and %S): Add handling of floating point
1043 registers, memory, constants and invalid operands.
1045 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1047 * ipa-pure-const.c: Change dump name.
1049 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1052 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1053 to "reg_or_0_operand".
1054 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1056 2005-08-31 Dale Johannesen <dalej@apple.com>
1058 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1059 loops that count down.
1061 2005-08-31 Richard Henderson <rth@redhat.com>
1064 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1065 (fixup_eh_region_note): New.
1066 (reload_as_needed): Call it.
1067 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1068 don't call find_many_sub_basic_blocks; call verify_flow_info.
1069 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1070 (keep_stack_depressed): Likewise.
1071 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1073 2005-08-31 Richard Henderson <rth@redhat.com>
1075 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1078 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1080 * expr.c (expand_expr_real_1): Compare size of address
1081 mode to target's address mode size in deciding expansion of
1082 the constant address.
1084 2005-08-31 Richard Guenther <rguenther@suse.de>
1087 * expr.c (all_zeros_p): New function.
1088 (expand_expr_real_1): Handle the case of an all-zero
1089 non-addressable constructor separately.
1091 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1093 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1094 arguments, adjust all callers.
1095 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1097 2005-08-30 Richard Henderson <rth@redhat.com>
1100 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1101 whenever the mode sizes match.
1103 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1105 * calls.c (load_register_parameters): Fix comment typo.
1106 * expr.c (emit_push_insn): Comment formatting.
1108 2005-08-30 Ian Lance Taylor <ian@airs.com>
1110 * config/i386/x-cygwin (host-cygwin): Change dependency from
1111 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1113 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1115 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1118 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1121 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1122 call to ggc_collect.
1124 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1127 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1128 beginning. Remove $(INCLUDES) from all the rules, if following
1129 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1131 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1134 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1135 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1136 not constant, but maxlen is, don't set len to maxlen, rather
1137 set maxlen to len if len is a constant.
1139 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1141 PR tree-optimization/23475
1142 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1145 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1147 Fix PR middle-end/22455
1149 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1150 Checksum only the parts of the tree that exist for the tree code.
1152 2005-08-28 Dale Johannesen <dalej@apple.com>
1154 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1156 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1158 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1160 2005-08-28 Richard Henderson <rth@redhat.com>
1162 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1163 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1166 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1169 * builtins.c (get_memory_rtx): Don't strip nops
1170 in between COMPONENT_REFs.
1172 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1175 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1177 (gimplify_modify_expr): Check for zero sized types and gimplify the
1178 rhs and lhs as statements.
1180 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1183 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1184 state for return address column of signal frames.
1186 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1189 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1190 bytes >= 2 not bytes == 2.
1191 (expand_block_move): Same.
1193 2005-08-27 Richard Guenther <rguenther@suse.de>
1196 * config/i386/sse.md (sse2_movsd): Add missing closing
1199 2005-08-27 Paul Brook <paul@codesourcery.com>
1201 * genrecog.c (enum decision_type): Add DT_num_insns.
1202 (struct decision_test): Add u.num_insns.
1203 (add_to_sequence): Add DT_num_insns test.
1204 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1205 (write_cond, debug_decision_2): Ditto.
1206 (change_state): Assume peep2_next_insn never fails.
1207 Remove "afterward" argument.
1208 (write afterward, write_tree): Update to match.
1209 * recog.c (peep2_current_count): New variable.
1210 (peep2_next_insn): Check it.
1211 (peephole2_optimize): Set peep2_current_count.
1212 * recog.h (peep2_current_count): Declare.
1214 2005-08-26 Josh Conner <jconner@apple.com>
1217 * ipa-pure-const.c (check_tree): Check for volatile-ness
1218 when considering a dereference.
1220 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1222 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1224 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1226 PR rtl-optimization/23561
1227 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1228 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1229 at most LEN bytes long memory fits into the field.
1230 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1231 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1232 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1234 2005-08-26 Richard Henderson <rth@redhat.com>
1237 * loop.c (biased_biv_may_wrap_p): New.
1238 (maybe_eliminate_biv_1): Use it to suppress non-equality
1239 comparison transformations. Delete disabled code.
1241 2005-08-26 Ian Lance Taylor <ian@airs.com>
1243 * combine.c (make_extraction): Avoid reference outside object.
1245 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1247 * stor-layout.c (finalize_type_size): Restore behaviour for
1248 non-aggregate types to the status quo ante of the patch for
1249 pr 23467. Document why it matters.
1251 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1254 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1255 array by one element, initialize the BT_LAST element with NULL.
1257 2005-08-26 David Edelsohn <edelsohn@gnu.org>
1259 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1260 optimizing for size.
1262 (compare_plus_eqsi): Same.
1263 (plus_eqsi_compare): Same.
1264 (neg_eq0<mode>): Same.
1265 (neg_eq<mode>): Same.
1267 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1270 2005-08-26 Nick Clifton <nickc@redhat.com>
1272 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1273 TARGET_EP is not defined.
1274 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1275 TARGET_EP is enabled.
1276 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1277 * config/v850/v850.md (save_all_interrupt): Only use the EP
1278 register if TARGET_EP is defined.
1279 (restore_all_interrupt): Likewise.
1280 * config/v850/lib1funcs.asm: Update functions so that the EP
1281 register is only used if __EP__ is defined.
1283 2005-08-26 David Ung <davidu@mips.com>
1285 * config/mips/mips.c (mips_expand_prologue): Handle case when
1286 generating for MIPS16 and the outgoing argument area is more than
1287 SMALL_OPERAND. Use the frame pointer as temporary to generate the
1290 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
1292 * config/crx/crx.md: Make doloop_end pattern usage controllable
1293 via mloop-nesting=<max-nesting> command line switch. Make sure
1294 the combiner cannot use doloop_end_<mode> in an illegal way.
1295 * config/crx/crx.c: Use regs up to r6 for argument passing.
1296 Refine crx_address_cost (non cst4 displacements are expensive).
1297 * config/crx/crx.opt: Add switch for mloop-nesting=.
1299 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
1301 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1302 (UNSPEC_MVST): New constant.
1304 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
1306 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1307 Reject operands containing eliminable registers.
1308 * testsuite/gcc.dg/20050825-1.c: New testcase.
1310 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1311 Jan Hubicka <jh@suse.cz>
1313 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1315 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1317 PR tree-optimization/23546
1318 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1321 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
1323 * params.def (PARAM_MIN_SPEC_PROB): New.
1324 * sched-rgn.c (MIN_PROBABILITY): Delete.
1325 (compute_trg_info): Convert to PARAM_VALUE.
1326 * doc/invoke.texi (param): Document min-spec-prob.
1328 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
1330 * config/darwin.h: define __PIC__
1331 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1332 TARGET_OS_CPP_BUILTINS macro.
1334 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1336 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1339 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1341 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1343 * cfghooks.c (duplicate_block): Added position where to place
1344 new block as argument.
1345 * cfghooks.h (duplicate_block): Declaration changed.
1346 * cfglayout.c (copy_bbs): Add argument after. Pass it to
1348 * cfglayout.h (copy_bbs): Declaration changed.
1349 * cfgloop.h (loop_version): Declaration changed.
1350 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1351 position to copy_bbs.
1352 (loop_version): Pass position to duplicate_loop_to_header_edge.
1353 Add place_after argument and position new blocks according to
1355 * modulo-sched.c (sms_schedule): Pass place_after argument
1357 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1358 * tree-cfg.c (split_edge_bb_loc): New function.
1359 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1360 to determine position of new blocks.
1361 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1363 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1364 argument to duplicate_block.
1365 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1366 Pass position to copy_bbs.
1368 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1370 * fold-const.c (ptr_difference_const): Use
1371 cst_and_fits_in_hwi instead of host_integerp.
1373 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1375 * config/darwin.c (gen_pic_offset): New.
1376 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1379 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1381 PR tree-optimization/23486
1382 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1384 2005-08-23 Phil Edwards <phil@codesourcery.com>
1386 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1387 remove use_collect2.
1388 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1390 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1391 configuration files to override the default value.
1393 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1394 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1395 * config/vx-common.h: New file, split out from...
1396 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1397 * config/vxworksae.h: New file, for VxWorks AE.
1398 * config/vxworks.opt: New file.
1399 * config/vxlib.c: Update for VxWorks 6.
1401 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1402 other MULTILIB_* variables appropriately.
1403 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1404 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1405 * config/rs6000/vxworks.h: Update for VxWorks 6.
1406 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1408 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1411 * config/darwin.c (machopic_select_section): Remove the hack to
1412 mark "::operator new" and "::operator delete" for coalescing
1413 even though they are not weak.
1415 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1417 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1418 * configure: Regenerate.
1420 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1423 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1425 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1426 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1429 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1431 * config/rs6000/predicates.md (equality_operator): New.
1432 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1433 comparison with a large constant.
1435 2005-08-23 Mark Mitchell <mark@codesourcery.com>
1437 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1439 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1441 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1442 registers is even, and we have a hardware double precision fp,
1444 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1445 size of current argument when checking if argument was passed in
1448 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1451 * stor-layout.c (finalize_type_size): Dont override
1452 existing alignment with a smaller alignment from the mode.
1454 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1456 * lambda-code.c (lambda_vector_lexico_pos): Moved...
1457 * lambda.h (lambda_vector_lexico_pos): ... here.
1458 * tree-data-ref.c (build_classic_dist_vector): Return false when
1459 the distance vector is lexicographically negative.
1461 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1463 PR tree-optimization/23511
1464 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1465 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1467 2005-08-23 Jakub Jelinek <jakub@redhat.com>
1469 PR tree-optimization/22043
1470 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1471 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1472 If ALLOW_FLEXARR, handle types ending with flexible array member.
1473 Pass false as second argument to recursive count_type_elements calls.
1474 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1475 argument to count_type_elements call.
1476 * tree-sra.c (decide_block_copy): Likewise.
1477 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1478 for a constant-sized object, set cleared as well. Pass true as
1479 second argument to count_type_elements call.
1481 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1484 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1485 from legitimate_small_data_p, and make global. Update use.
1486 Remove forward declaration.
1487 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1489 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1491 2005-08-23 David Edelsohn <edelsohn@gnu.org>
1493 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1494 of scratch intermediates.
1495 (eq<mode>_compare): Same.
1496 (neg_eq0<mode>): New.
1497 (neg_eq<mode>): Convert to define_insn_and_split.
1499 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1502 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1503 stdarg functions, set/clear the fp marker even when no variable
1505 * config/rs6000/sysv4.opt (mprototype): Describe.
1507 2005-08-22 Jakub Jelinek <jakub@redhat.com>
1509 PR rtl-optimization/23478
1510 * regs.h (reg_info): Add throw_calls_crossed.
1511 (REG_N_THROWING_CALLS_CROSSED): Define.
1512 * flow.c (allocate_reg_life_data): Initialize
1513 REG_N_THROWING_CALLS_CROSSED.
1514 (propagate_one_insn, attempt_auto_inc): Update
1515 REG_N_THROWING_CALLS_CROSSED.
1516 * global.c (global_alloc): Don't allocate pseudos across
1517 calls that may throw.
1519 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1522 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1523 value is inbetween the range if we did not find an exact match.
1525 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
1527 * doc/invoke.texi (Option Summary): Add ms1 options.
1528 * doc/extend.texi: Document interrupt handler attribute for ms1.
1529 * doc/md.texi: Document ms1 constraints.
1530 * config.gcc: Add ms1-*-elf.
1531 * config/ms1/ms1.h: New.
1532 * config/ms1/ms1.c: New.
1533 * config/ms1/ms1.md: New.
1534 * config/ms1/ms1-protos.h: New.
1535 * config/ms1/ABI.txt: New.
1536 * config/ms1/crti.asm: New.
1537 * config/ms1/crtn.asm: New.
1538 * config/ms1/lib2extra-funcs.c: New.
1539 * config/ms1/t-ms1: New.
1540 * config/ms1/ms1.opt: New.
1542 2005-08-22 Ira Rosen <irar@il.ibm.com>
1544 * config/rs6000/altivec.md (xorv4sf3): New.
1545 (negv4sf2, neg<mode>2): Likewise.
1547 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1550 * config/ia64/ia64.md (divsi3): Check divide by zero.
1551 (udivsi3): Likewise.
1553 (udivdi3): Likewise.
1555 2005-08-21 Jakub Jelinek <jakub@redhat.com>
1557 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1558 up to elem_bitsize bits, not max_bitsize.
1560 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1562 PR tree-optimization/23433
1563 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1564 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1566 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1568 PR tree-optimization/23434
1569 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1570 the iteration bound is not an INTEGER_CST.
1572 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1574 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1575 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1576 NULL if need_epilog_adjust is false.
1577 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1578 Case 3 always peels first itration, not just for PLUS case, and no need
1579 to use scalar_initial_def here. Create an epilog adjustment only if
1580 scalar_initial_def is not NULL.
1582 (vectorizable_reduction): Remove assert.
1584 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1587 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1588 (__moddi3): Likewise.
1589 (__udivdi3): Likewise.
1590 (__umoddi3): Likewise.
1591 (__divsi3): Likewise.
1592 (__modsi3): Likewise.
1593 (__udivsi3): Likewise.
1594 (__umodsi3): Likewise.
1596 2005-08-20 Jakub Jelinek <jakub@redhat.com>
1598 * tree-pass.h (TDF_GRAPH): Define.
1599 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1600 * passes.c (finish_optimization_passes): Only call
1601 finish_graph_dump_file if TDF_GRAPH is set.
1602 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1603 NULL. Set TDF_GRAPH bit.
1604 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1606 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1608 * arm.h (arm_stack_offsets): Add locals_base field.
1609 * arm.c (arm_get_frame_offsets): Compute it.
1610 (thumb_compute_initial_elimination offset): Make the Thumb frame
1611 pointer point to the base of the local variables.
1612 (thumb_expand_prologue): Update accordingly.
1613 (thumb_expand_epilogue): Likewise.
1615 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1616 mode of clobbered scratch to DImode. Handle a case that's known to
1619 2005-08-19 David Edelsohn <edelsohn@gnu.org>
1621 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1622 (gt0<mode>_compare): Delete.
1623 (neg_gt0<mode>): Delete.
1625 2005-08-19 Eric Christopher <echristo@apple.com>
1627 * optabs.h: Change CTI_ to COI_.
1630 2005-08-19 James E Wilson <wilson@specifix.com>
1632 * builtins.c (expand_builtin_return_addr): Set
1633 current_function_accesses_prior_frames when count != 0. Use
1634 frame_pointer_rtx when count == 0.
1635 * function.h (struct function): Add accesses_prior_frames field.
1636 (current_function_accesses_prior_frames): Define.
1637 * reload1.c (init_elim_table): Check
1638 current_function_accesses_prior_frames.
1639 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1641 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1643 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1644 indicator. Return true if the flowgraph changed during
1647 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1650 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1651 conditional expression before testing its value.
1653 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1655 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1657 2005-08-19 Devang Patel <dpatel@apple.com>
1659 PR tree-optimization/23048
1660 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1661 third parameter. Check whether latch is dominated by exit
1663 (if_convertible_loop_p): Supply exit block itself to
1664 if_convertible_bb_p.
1666 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1669 * arm.md (arm_load_pic_register): Change argument to the mask of
1670 saved registers. Call thumb_find_work_register if we need a
1671 scratch register on Thumb.
1672 (arm_expand_prologue): Pass empty register set to
1673 arm_load_pic_register.
1674 (thumb_expand_prologue): Pass live_regs_mask directly to
1675 arm_load_pic_register.
1676 * arm-protos.h (arm_load_pic_register): Update prototype.
1678 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1680 * sh.c (find_sole_member): New function.
1681 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1682 if the record's alignment is larger than the size of its only member.
1684 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1687 * arm.c (thumb_legitimize_reload_address): New function.
1688 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1689 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1691 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1693 * config/crx/crx.c: Implement crx_decompose_address. Reject
1694 symbolic displacements since CRX register relative adressing
1695 mode can't handle unsigned 32-bit values as displacements.
1696 * config/crx/crx.h: Simplify definitions, remove redundant
1697 parenthesis and obsolete macros.
1698 * config/crx/crx.opt: Add new switch for debugging addresses.
1699 * config/crx/crx-protos.h: Add new declarations for above.
1701 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1704 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1707 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1709 * collect2.c (dup2): Delete.
1710 * configure.ac: Don't check for dup2.
1712 * config.in, configure: Regenerate.
1714 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1716 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1717 record with the type of its only member.
1719 2005-08-18 David Edelsohn <edelsohn@gnu.org>
1721 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1722 define_insn_and_split.
1723 (plus_ltu<mode>_compare): Same.
1724 (gtu<mode>_compare): Same.
1725 (plus_gtu<mode>_compare): Same.
1727 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1729 PR tree-optimization/22228
1730 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1732 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1733 are recorded in vect_vnames_to_rename for renaming.
1734 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1735 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1736 in vect_vnames_to_rename.
1737 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1738 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1740 2005-08-18 Jan Hubicka <jh@suse.cz>
1743 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1744 info only for local statics, not for member variables.
1746 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1748 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1750 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1752 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1754 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1757 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1759 2005-08-17 James E Wilson <wilson@specifix.com>
1761 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1764 2005-08-17 David Edelsohn <edelsohn@gnu.org>
1766 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1767 (leu<mode>_compare): Same.
1768 (plus_leu<mode>): Same.
1769 (neg_leu<mode>): Same.
1770 (and_neg_leu<mode): Same.
1771 (ltu<mode>_compare): Same.
1772 (plus_ltu<mode>): Same.
1774 (geu<mode>_compare): Same.
1775 (plus_geu<mode>): Same.
1776 (neg_geu<mode>): Same.
1777 (and_neg_geu<mode>): Same.
1778 (plus_gt<mode>): Same.
1779 (gtu<mode>_compare): Same.
1780 (plus_gtu<mode>): Same.
1782 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
1784 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1785 Move call_table_data to end. Delete spurious .text.
1786 (callt_save_all_interrupt): Fix comment typo.
1788 2005-08-17 James E Wilson <wilson@specifix.com>
1789 Kevin Winchester <winchester@amirix.com>
1792 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1794 2005-08-17 Uros Bizjak <uros@kss-loka.si>
1797 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1798 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1800 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1802 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1803 record with the type of its only member if the modes don't match.
1805 * varasm.c (decode_reg_name): Skip empty additional register names.
1807 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1809 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1810 lsm_tmp_name_length): New.
1811 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1812 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1814 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1815 Andreas Krebbel <krebbel1@de.ibm.com>
1817 * config.gcc: Added z9-109 switch.
1818 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1819 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1820 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1821 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1822 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1823 for "z9_109" cpu attribute.
1824 * config/s390/s390.c (z9_109_cost): New processor cost structure.
1825 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1826 (s390_handle_arch_option): Added z9-109 switch.
1827 (override_options): Set respective cost function for z9-109.
1828 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1829 (legitimate_reload_constant_p): Accept extended immediates.
1830 (print_operand): Three new output modifiers added: k, m and o.
1831 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1832 (s390_output_mi_thunk): Use extended immediate when possible.
1833 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1834 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1835 (CONSTRAINT_LEN): Added length of O constraint.
1836 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1837 * config/s390/s390.md ("cpu"): New value z9_109 added.
1838 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1839 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1840 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1841 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1842 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1843 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1844 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1845 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1846 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1847 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1848 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1849 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1850 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1851 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1852 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1854 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1855 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1856 insns for TARGET_EXTIMM.
1858 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
1860 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1862 2005-08-17 Nick Clifton <nickc@redhat.com>
1864 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1865 Call default_encode_section_info.
1867 2005-08-17 Steven Bosscher <stevenb@suse.de>
1869 PR tree-optimization/21574
1870 * tree-ssa-ccp.c (likely_value): If the right hand side is a
1871 constant, return CONSTANT.
1872 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1873 (ccp_fold, visit_assignment): Likewise.
1874 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1876 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1878 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1879 fold_buildN instead of buildN then fold_initializer or fold.
1880 (build_unary_op): Likewise.
1881 (build_binary_op): Likewise.
1882 * fold-const.c (fold_initializer): Remove.
1883 (fold_build1_initializer): New function.
1884 (fold_build2_initializer): New function.
1885 (fold_build3_initializer): New function.
1886 * tree.h (fold_initializer): Remove.
1887 (fold_build1_initializer): New function.
1888 (fold_build2_initializer): New function.
1889 (fold_build3_initializer): New function.
1891 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1893 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1894 (try_move_mult_to_index): Call fold_build2 instead of build2.
1895 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1896 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1897 fold_binary_to_constant.
1898 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1900 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1901 check if A == gcd (A, B). Remove TYPE argument.
1902 (analyze_offset) Use fold_build2 instead of fold (build.
1903 (create_data_ref): Likewise.
1904 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1905 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1908 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
1910 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1911 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1913 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
1916 * gimplify.c (zero_sized_type): New function.
1917 (gimplify_modify_expr_rhs): If we have a zero sized type,
1918 replace the statement with an empty statement.
1920 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
1922 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1925 2005-08-16 Ian Lance Taylor <ian@airs.com>
1927 * doc/tm.texi (Label Output): Correct typo.
1929 2005-08-16 Steven Bosscher <stevenb@suse.de>
1932 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1933 force_operand will work later on using have_insn_for.
1935 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1937 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1939 2005-08-16 Ian Lance Taylor <ian@airs.com>
1942 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1943 vector type, don't try to construct it element by element. Add an
1944 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1946 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1948 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1950 2005-08-16 Geoffrey Keating <geoffk@apple.com>
1952 * doc/invoke.texi (Precompiled Headers): Document some more options
1953 which are known to be safe.
1955 2005-08-16 James E Wilson <wilson@specifix.com>
1957 PR tree-optimization/21105
1958 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1959 TREE_OVERFLOW check.
1961 2005-08-16 David Edelsohn <edelsohn@gnu.org>
1963 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1964 (neg_ltu<mode>): Same.
1966 (neg_gtu<mode>): Same.
1968 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1970 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1971 (fold_builtin_isdigit): Use fold_buildN.
1972 (build_function_call_expr): Likewise.
1973 * c-typeck.c (c_finish_loop): Likewise.
1975 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
1976 Richard Shann <rshann@superh.com>
1978 PR middle-end/20396:
1979 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1981 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
1983 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1985 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
1988 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1989 arm_compure_save_reg0_reg12_mask to determine when the PIC register
1992 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1995 * fold-const.c (build_range_check): Disable optimization for function
1996 pointer expressions on targets that require function pointer
1999 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2001 * simplify-rtx.c (simplify_const_relational_operation): When
2002 extracting arguments of a COMPARE, recompute the mode as well.
2004 2005-08-15 Ian Lance Taylor <ian@airs.com>
2006 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2008 2005-08-15 DJ Delorie <dj@redhat.com>
2010 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2012 (movsi_splittable): Allow, but split, moves to the stack.
2013 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2016 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2018 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2019 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2020 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2022 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2023 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2024 Delete HOST_PTR_PRINTF.
2026 * configure, config.in: Regenerate.
2028 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2030 * config/rs6000/rs6000.md (QHSI): New mode macro.
2031 (wd): Extend mode attr for QImode and HImode
2032 (dbits): New mode attr.
2033 (zero_extend<mode>di2): Convert to mode macro.
2035 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2038 * doc/invoke.texi (-mgnu-ld): Update description.
2041 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2044 * Makefile.in (tree-chrec.o): Depends on real.h.
2045 * tree-chrec.c: Include real.h.
2046 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2047 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2048 * tree-scalar-evolution.c (add_to_evolution_1,
2049 interpret_rhs_modify_expr): Ditto.
2051 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2054 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2055 step is negative compute the estimation from init downwards to zero.
2057 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2059 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2061 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2063 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2065 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2066 Accept double-word constants that can be split.
2067 * config/s390/s390.md ("movti"): Use 'P' constraint.
2068 ("*movdi_31", "*movdf_31"): Likewise.
2070 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2072 Fix PR tree-optimization/22615
2074 * tree-ssa-structalias.c (solution_set_add): Handle
2075 first_vi_for_offset returning NULL.
2076 (do_da_constraint): Ditto.
2077 (do_sd_constraint): Ditto.
2078 (do_ds_constraint): Ditto
2079 (find_func_aliases): Ditto.
2080 (build_constraint_graph): RHS is allowed be ANYTHING.
2081 (first_vi_for_offset): Return NULL if we couldn't find anything at
2084 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2086 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2087 over memory as first operand.
2089 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2092 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2093 available for setting it.
2095 2005-08-14 Ira Rosen <irar@il.ibm.com>
2097 PR tree-optimization/23320
2098 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2099 data-refs' types instead of base object nullness. Add check for
2100 pointer type data-refs before first location comparison. Remove
2103 2005-08-14 Andreas Schwab <schwab@suse.de>
2105 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2107 2005-08-13 James E Wilson <wilson@specifix.com>
2109 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2110 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2111 -fstack-protector-all, --param ssp-buffer-size): Document.
2112 (-Wvariadic-macros): Alphabetize.
2113 (-fsched-stalled-insns-dep): Add missing 'f'.
2115 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2118 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2120 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2121 or indirect address operand.
2122 (EXTRA_ADDRESS_CONSTRAINT): New.
2123 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2125 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2127 PR tree-optimization/22236
2128 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2129 successors and predecessors.
2130 * tree-chrec.c (chrec_convert): Before converting, check that
2131 sequences don't wrap.
2132 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2133 (analyze_array): Extern.
2134 (find_data_references_in_loop): Remove call to
2135 compute_estimated_nb_iterations.
2136 * tree-data-ref.h (analyze_array): Declared.
2137 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2138 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2139 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2140 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2142 * tree-ssa-loop-ivcanon.c: Fix documentation.
2143 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2144 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2145 (infer_loop_bounds_from_undefined): New.
2146 (estimate_numbers_of_iterations_loop): Use
2147 infer_loop_bounds_from_undefined.
2148 (used_in_pointer_arithmetic_p): New.
2149 (scev_probably_wraps_p): Pass an extra parameter. Call
2150 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2151 (convert_step): Fix documentation.
2152 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2153 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2154 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2155 scev_probably_wraps_p.
2157 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2159 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2160 (s390_register_info): Ignore clobbered_regs information for fixed
2161 registers, and only fixed registers.
2162 (s390_init_frame_layout): Remove redundant call.
2164 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2166 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2167 description of -Wold-style-casts.
2169 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2170 Jakub Jelinek <jakub@redhat.com>
2172 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2173 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2174 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2175 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2176 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2177 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2178 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2179 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2180 ("stack_protect_set", "stack_protect_test"): New expanders.
2181 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2182 "stack_protect_testdi"): New insn definitions.
2184 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2186 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2188 2005-08-12 Paul Brook <paul@codesourcery.com>
2190 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2192 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2194 * config/s390/predicates.md (setmem_operand): New predicate.
2195 (shift_count_operand): Accept ANDs with special constants as
2197 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2198 with special constants.
2199 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2200 shift_count_operand with setmem_operand.
2202 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2204 * config/s390/s390.c (s390_extract_part, s390_single_part):
2206 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2207 (s390_output_mi_thunk): Don't use lg on 31 bit.
2208 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2209 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2211 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2213 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2214 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2215 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2216 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2217 with one of the new macros.
2219 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2221 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2222 Don't set save_return_addr_p.
2223 (s390_register_info): Make clobbered_regs not depending on
2226 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2228 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2229 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2231 2005-08-11 James E. Wilson <wilson@specifix.com>
2233 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2235 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2237 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2238 locations gathered by var-tracking in single entry loc_list
2239 over loc_descriptor_from_tree.
2241 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2242 pass it down to loc_descriptor.
2243 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2244 (containing_function_has_frame_base): Move earlier in the file.
2245 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2246 instead of always assuming fbreg can't be used.
2248 2005-08-11 David Edelsohn <edelsohn@gnu.org>
2250 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2251 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2252 Accept address wrapped in AND for Altivec.
2253 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2254 Strip AND wrapping offset address for Altivec.
2256 2005-08-11 Richard Henderson <rth@redhat.com>
2259 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2260 before using TYPE_IS_SIZETYPE.
2262 2005-08-11 Richard Henderson <rth@redhat.com>
2265 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2266 insn types not present on ev4.
2267 (alphaev5_insn_pipe): Similarly.
2269 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2272 * arm.c (arm_override_options): If the user has selected callee-super-
2273 interworking, then enable normal interworking.
2275 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2277 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2280 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2282 * doc/rtl.texi: Fix two typos.
2284 2005-08-11 Richard Guenther <rguenther@suse.de>
2287 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2288 cases where we call to/from functions returning void.
2290 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
2293 * tree.c (build_pointer_type_for_mode): Robustify.
2295 2005-08-10 James E Wilson <wilson@specifix.com>
2297 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2298 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2300 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2303 2005-08-10 Eric Christopher <echristo@apple.com>
2305 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2306 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2309 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
2312 * config/darwin.c (machopic_indirect_data_reference): Use a new register
2313 for the high part when generating dynamic-no-pic code.
2315 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
2317 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2318 (x86_64-*-linux*): Likewise.
2320 * config/i386/crtfastmath.c: New file.
2321 * config/i386/t-crtfm: Likewise.
2323 * config/i386/linux.h (ENDFILE_SPEC): New.
2324 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2326 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2329 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
2331 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2332 (vec_shl, vec_shr): Document new operations.
2333 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2335 2005-08-10 David Edelsohn <edelsohn@gnu.org>
2337 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2338 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2339 change predicate to indexed_or_indirect_address.
2341 2005-08-10 Richard Sandiford <richard@codesourcery.com>
2343 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2344 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2345 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2346 and __aeabi_uwrite8.
2347 * config/arm/unaligned-funcs.c: New file.
2348 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2350 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
2352 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2354 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2355 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2357 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2358 * final.c (pass_shorten_branches): Add dump.
2359 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2360 (pass_life): Rename dump.
2361 (rest_of_handle_flow2): Remove initial verify_flow_info.
2362 * function.c (pass_instantiate_virtual_regs): Add dump.
2363 * integrate.c (pass_initial_value_sets): Add dump.
2364 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2365 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2366 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2367 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2368 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2369 gate_rtl_unrool_and_peel_loops): New.
2370 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2371 rtl_doloop): Do not look at flags.
2372 * mode-switching.c (pass_mode_switching): Add dump.
2373 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2374 pass_split_before_regstack): Add dump.
2375 * regmove.c (pass_stack_adjustments): Add dump.
2376 * tree-optimize.c (pass_fixup_cfg): Add dump.
2378 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2381 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2382 deciding which instruction sequence to use.
2384 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2386 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2387 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2389 2005-08-09 Richard Guenther <rguenther@suse.de>
2391 * c-common.c (builtin_function_2): Remove.
2392 (def_builtin_1): New function.
2393 (c_common_nodes_and_builtins): Use def_builtin_1 to
2394 build builtin functions.
2396 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2398 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2399 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2400 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2403 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2405 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2406 fold_binary instead of fold_build2 since we don't care about the
2408 (loop_niter_by_eval): Likewise.
2409 (compare_trees): Likewise.
2410 (proved_non_wrapping_p): Likewise.
2412 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2416 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2417 if the if is really empty.
2419 2005-08-09 Steven Bosscher <stevenb@suse.de>
2421 PR tree-optimization/23234
2422 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2423 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2424 argument of the new enum.
2425 (execute_cse_reciprocals): Add reciprocals for function arguments
2426 on the unique successor edge of the entry block. Update other calls
2427 to execute_cse_reciprocals_1.
2429 2005-08-08 Richard Henderson <rth@redhat.com>
2432 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2434 2005-08-08 Bob Wilson <bob.wilson@acm.org>
2436 * expr.c (write_complex_part): Return after handling MEM.
2438 2005-08-08 Josh Conner <jconner@apple.com>
2440 PR rtl-optimization/23241
2441 * combine.c (simplify_comparison): Fix error in determining
2442 whether to lift a subreg from comparison.
2444 2005-08-08 David Edelsohn <edelsohn@gnu.org>
2447 * config/rs6000/altivec.md (vec_init<mode>): New.
2448 (vec_set<mode>): New.
2449 (vec_extract<mode>): New.
2450 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2451 (rs6000_expand_vector_set): New.
2452 (rs6000_expand_vector_extract): New.
2453 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2454 for Altivec modes before reload.
2455 (altivec_expand_vec_init_builtin): New.
2456 (get_element_number): New.
2457 (altivec_expand_vec_set_builtin): New.
2458 (altivec_expand_vec_ext_builtin): New.
2459 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2461 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2463 * config/rs6000/rs6000.h (rs6000_builtins): Add
2464 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2465 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2466 * config/rs6000/rs6000-protos.h: Declare new functions.
2468 2005-08-08 Jan Hubicka <jh@suse.cz>
2470 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2471 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2472 * i386.md (movdi*): Use pic_32bit_operand.
2473 * predicates.md (pic_32bit_operand): New.
2475 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
2478 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2480 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
2482 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2483 (test_for_singularity): Use fold_build2.
2485 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2487 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2489 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
2491 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2492 (COMMON_ASM_OP) Define.
2493 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2494 (ix86_encode_section_info): Likewise.
2495 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2496 SUBTARGET_ENCODE_SECTION_INFO.
2498 2005-08-06 Richard Henderson <rth@redhat.com>
2501 * tree-nested.c (convert_local_reference): Save and restore val_only
2502 around component_ref and friends. Clear walk_subtrees by default.
2504 2005-08-06 Peter O'Gorman <peter@pogma.com>
2507 * gcc.c (process_command): Check the argument to -b has a dash.
2508 * doc/invoke.texi: Update -b and -V docs.
2510 2005-08-06 James E Wilson <wilson@specifix.com>
2512 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2514 2005-08-06 Michael Matz <matz@suse.de>
2516 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2517 member only if only one insn is associated with the value.
2519 2005-08-06 Nick Clifton <nickc@redhat.com>
2521 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2523 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2524 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2525 Check symbol flags instead of symbol name mangling.
2526 (xstormy16_asm_output_aligned_common): Likewise. Also
2527 simplify code since the bss100_section cass is the only case
2528 where the below100 code will be triggered.
2529 (xstormy16_encode_section_info): Encode below100 attribute
2530 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2532 (xstormy16_strip_name_encoding): Delete - this function is no
2534 (TARGET_STRIP_NAME_ENCODING): Undefine.
2535 * config/stormy16/stormy16-protos.h: Delete prototype for
2536 xstormy16_strip_name_encoding.
2538 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
2540 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2541 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2542 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2543 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2544 config/alpha/predicates.md, config/arc/arc.h,
2545 config/arm/arm.h, config/arm/ieee754-df.S,
2546 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2547 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2548 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2549 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2550 config/m68hc11/m68hc11.h, config/mips/mips.c,
2551 config/mips/mips.h, config/mips/openbsd.h,
2552 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2553 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2554 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2555 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2556 config/sparc/linux.h, config/sparc/linux64.h,
2557 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2558 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2559 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2560 typos. Follow spelling conventions.
2562 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2565 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2566 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2567 specially. Check for side effects only for COND_EXPR.
2568 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2569 return with TREE_NO_WARNING.
2571 2005-08-06 Richard Sandiford <richard@codesourcery.com>
2573 PR rtl-optimization/23233
2574 * loop.c (combine_movables): Require the modes to be the same.
2575 (move_movables): Remove handling of cases where the replacement
2576 had a different mode to the original.
2578 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
2580 PR tree-optimization/23128
2581 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2582 subtraction wrap, and set TREE_OVERFLOW if they do.
2584 2005-08-05 Richard Henderson <rth@redhat.com>
2587 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2588 FORCED_LABEL labels.
2590 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2593 * reload.c (find_reloads_subreg_address): Pass down TYPE
2594 unchanged. Change all callers except find_reloads_toplev.
2596 2005-08-05 Michael Matz <matz@suse.de>
2598 * genattrtab.c (current_alternative_string): Remove.
2599 (SIMPLIFY_ALTERNATIVE): Ditto.
2600 (attr_alt_bit_p): Ditto.
2601 (alternative_name): Make const char *.
2602 (evaluate_eq_attr): Remove use of above things.
2603 (simplify_test_exp): Ditto.
2604 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2605 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2607 2005-08-04 James E Wilson <wilson@specifix.com>
2609 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2610 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2611 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2612 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2613 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2615 2005-08-04 Richard Henderson <rth@redhat.com>
2618 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2619 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2620 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2621 if we'd have to instantiate too many members.
2623 2005-08-04 Richard Henderson <rth@redhat.com>
2626 * tree-outof-ssa.c (coalesce_asm_operands): New.
2627 (coalesce_ssa_name): Use it. Split out ...
2628 (coalesce_phi_operands, coalesce_result_decls): ... these.
2630 2005-08-04 Paul Brook <paul@codesourcery.com>
2632 * read-rtl.c (read_quoted_string): Break if EOF.
2634 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2636 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2637 (fold_build2): Likewise.
2638 (fold_build3): Likewise.
2639 (fold_build1_stat): New function prototype.
2640 (fold_build2_stat): Likewise.
2641 (fold_build3_stat): Likewise.
2642 * fold-const.c (fold_build1): Rename to ..
2643 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2644 through to build1_stat.
2645 (fold_build2): Rename to ..
2646 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2647 through to build2_stat.
2648 (fold_build3): Rename to ..
2649 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2650 through to build3_stat.
2652 2005-08-04 David Edelsohn <edelsohn@gnu.org>
2653 Ian Lance Taylor <ian@airs.com>
2655 * function.c (assign_stack_local_1): Do not correct stack slot
2656 address if allocation size is smaller than mode size.
2658 2005-08-04 Diego Novillo <dnovillo@redhat.com>
2661 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2662 (tree_merge_blocks): Propagate anything allowed by
2664 Clarify documentation.
2665 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2666 SSA form, schedule an update if necessary.
2668 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2670 * doc/install.texi (Binaries): Remove broken link to
2671 Sinix/Reliant Unix binaries.
2673 2005-08-03 Richard Henderson <rth@redhat.com>
2676 * function.c (stack_protect_epilogue): Export.
2677 * tree.h (stack_protect_epilogue): Declare.
2678 * calls.c (expand_call): Call it.
2680 2005-08-03 Eric Christopher <echristo@apple.com>
2682 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2683 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2686 2005-08-04 Jan Hubicka <jh@suse.cz>
2688 * profile.c (branch_prob): Split edges with goto locus on them
2689 to get proper line counts.
2690 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2692 2005-08-03 Paul Brook <paul@codesourcery.com>
2694 * function.c (assign_parms): Round current_function_args_size
2695 to PARM_BOUNDARY, not STACK_BOUNDARY.
2697 2005-08-03 Geoffrey Keating <geoffk@apple.com>
2699 * config/i386/i386.c (x86_elf_aligned_common)
2700 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2702 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2704 PR tree-optimization/23157
2705 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2706 before emitting them.
2708 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2710 PR tree-optimization/19899
2711 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2712 * tree-scalar-evolution.c: Include real.h.
2713 (add_to_evolution): Build constant -1 of correct type.
2715 2005-08-03 Jan Hubicka <jh@suse.cz>
2717 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2718 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2719 profile updating for complette unrolling.
2720 * loop-unroll.c (peel_loop_completely): Use it.
2721 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2722 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2725 2005-08-03 Paul Brook <paul@codesourcery.com>
2727 * combine.c (can_change_dest_mode): New function.
2728 (try_combine, simplify_set): Use it.
2730 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2732 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2735 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2737 * doc/install.texi (Specific): Adjust link to openavr.org.
2738 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2739 (Binaries): Adjust HP-UX Porting Center link.
2740 (Binaries): Adjust Free Software Foundation ordering link.
2742 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2744 * convert.c (convert_to_integer): Use fold_build1 instead of
2745 build1 when converting an integer to an integer.
2747 2005-08-02 Richard Henderson <rth@redhat.com>
2749 * combine.c (combine_instructions): Don't use reg_equal/equiv
2750 results if the mode doesn't match.
2752 2005-08-02 Mark Mitchell <mark@codesourcery.com>
2754 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2755 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2757 2005-08-02 Richard Henderson <rth@redhat.com>
2760 * explow.c (memory_address): Remove special-case for
2761 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2763 2005-08-02 Diego Novillo <dnovillo@redhat.com>
2766 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2767 number of calls to cleanup_tree_cfg_1.
2769 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2771 * doc/invoke.texi: document file extensions .F90 and .F95
2773 2005-08-02 Richard Guenther <rguenther@suse.de>
2775 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2776 positive if its first argument is positive.
2778 2005-08-02 Richard Guenther <rguenther@suse.de>
2780 PR tree-optimization/23177
2781 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2784 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
2786 PR tree-optimization/23129
2787 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2788 varying for divisions with anti-ranges.
2790 2005-08-02 Jan Hubicka <jh@suse.cz>
2792 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2793 * tree-ssa-threadupdate.c (thread_block): Add it here.
2795 2005-08-01 James E Wilson <wilson@specifix.com>
2797 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2798 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2799 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2801 * config/mips/predicates.md (const_call_insn_operand): Add check for
2802 SYMBOL_REF_LONG_CALL_P.
2803 * doc/extend.texi (long_call): Document the new attribute.
2805 2005-08-01 Ian Lance Taylor <ian@airs.com>
2806 Richard Henderson <rth@redhat.com>
2808 * Makefile.in (RTL_BASE_H): Add real.h.
2809 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2811 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2813 * rtl.c (rtl_check_failed_code_mode): New.
2814 * rtl.h (struct rtx_def): Add u.rv.
2815 (XCMWINT, XCNMPRV): New.
2816 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2817 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2819 2005-08-01 Richard Henderson <rth@redhat.com>
2821 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2822 with auto-inc codes.
2824 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2826 2005-08-01 Jan Hubicka <jh@suse.cz>
2828 * i386-protos.h (asm_preferred_eh_data_format): Declare.
2829 * i386.c: Include dwarf2.h
2830 (asm_preferred_eh_data_format): New.
2831 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2833 2005-08-01 Ian Lance Taylor <ian@airs.com>
2835 * config/host-linux.c (linux_gt_pch_get_address): Add new name
2836 randomize_va_space for virtual address randomization control.
2838 2005-08-01 Steven Bosscher <stevenb@suse.de>
2840 * common.opt (flag_ipa_cp): Put in right place to maintain
2843 2005-08-01 Jan Hubicka <jh@suse.cz>
2845 * profile.c (compute_value_histograms): Fix thinko.
2846 * value-prof.c: Include toplev.h
2847 (check_counter): New function.
2848 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2849 tree_mod_subtract_transform): Add sanity check.
2851 2005-08-01 Richard Guenther <rguenther@suse.de>
2853 PR tree-optimization/23133
2854 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2855 current functions parameter decls to find defs to cse
2858 2005-08-01 Richard Guenther <rguenther@suse.de>
2860 PR tree-optimization/23109
2861 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2862 If trapping math is in effect, use post-dominator information
2863 to check if we'd in any case reach a trapping point before
2864 doing the reciprocal insertion.
2865 (execute_cse_reciprocals): Compute post-dominators, if necessary.
2866 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2867 expressions are invariant only if trapping math is not in effect.
2869 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2871 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2872 cgraph_function_versioning): New declarations.
2873 * cgraphunit.c: Add include to ipa-prop.h.
2874 (update_call_expr, cgraph_copy_node_for_versioning,
2875 cgraph_function_versioning): New functions.
2876 * integrate.c (copy_decl_for_inlining): Remove.
2877 * ipa-prop.h (ipa_replace_map): New struct.
2878 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2879 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2880 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2881 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2882 ipcp_iterate_stage, ipcp_method_scale_print,
2883 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2884 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2885 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2886 ipcp_update_bb_counts, ipcp_update_profiling,
2887 ipcp_update_edges_counts): New functions.
2888 (ipcp_method_cval_init): Remove restriction regarding local methods.
2889 (ipcp_init_stage): Add ipcp_method_compute_scale.
2890 (ipcp_insert_stage): Add versioning.
2891 (ipcp_structures_print): Add ipcp_method_scale_print.
2892 (ipcp_driver): Dump profiling info.
2893 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2894 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2895 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2896 (struct inline_data): Add versioning_p, ipa_info, new fields.
2897 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2898 declare_return_variable): Replace calls to copy_decl_for_inlining with
2900 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2902 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2903 Add argument VERSIONING.
2904 (copy_arguments_for_versioning, copy_static_chain,
2905 function_versionable_p, tree_versionable_function_p,
2906 tree_function_versioning, replace_ref_tree): New functions.
2907 * tree-inline.h: Include varray.h.
2908 (tree_versionable_function_p, tree_function_versioning,
2909 tree copy_decl_for_dup): New declarations.
2911 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2913 * ipa-cp.c: New file. Contains IPCP specific functionality.
2914 * ipa-prop.h: New file. Contains structures/definitions that can be
2915 used by several interprocedural data flow optimizations (and also IPCP).
2916 * ipa-prop.c: New file.
2917 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2918 * common.opt: Add ipa-cp flag.
2919 * timevar.def: Add IPCP optimization.
2920 * tree-optimize.c (init_tree_optimization_passes): Schedule
2922 * tree-pass.h (pass_ipa_cp): Declare.
2924 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
2926 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2927 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2928 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2929 config/i386/i386.c, config/mips/mips.h,
2930 config/rs6000/rs6000.h, config/sh/sh.c,
2931 config/stormy16/stormy16.c: Fix comment typos.
2933 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
2936 * c-typeck.c (build_binary_op): Use common_type wrapper on
2938 (common_type): Update comment.
2940 2005-07-31 Steven Bosscher <stevenb@suse.de>
2943 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2944 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2945 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2947 2005-07-31 Jan Hubicka <jh@suse.cz>
2949 * pretty-print.h (pp_widest_integer): New macro.
2950 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2953 2005-07-31 Jan Hubicka <jh@suse.cz>
2955 * output.h (enum section_category): Export from varasm.c
2956 (categorize_decl_for_section): Likewise.
2957 * varasm.c (enum section_category): Kill.
2958 (categorize_decl_for_section): Make global.
2959 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2961 * i386.c (ix86_section_threshold): New static variable.
2962 (ix86_in_large_data_p, ix86_encode_section_info,
2963 x86_64_elf_unique_section,
2964 x86_64_elf_select_section): New functions.
2965 (TARGET_ENCODE_SECTION_INFO): Define
2966 (override_options): Enable medium model for PIC.
2967 (ix86_expand_prologue): Expand gen_set_got_rex64.
2968 (legitimate_constant_p): Handle new UNSPECs.
2969 (legitimate_pic_address_disp_p): Likewise.
2970 (legitimize_pic_address): Lower MEDIUM model addressing.
2971 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2972 (enum cmodel): Add MEDIUM_PIC.
2973 (SYMBOL_REF_FAR_ADDR_P): New macro.
2974 (SYMBOL_FLAG_FAR_ADDR): New flag.
2975 * i386.md (movdi): Support medium model.
2976 (set_got_rex64): New pattern.
2977 * i386.opt (mlarge-data-threshold): New flag.
2978 * predicates.md (zext_operand/sext_operand): Deal with medium model.
2979 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2980 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2981 TARGET_ASM_UNIQUE_SECTION): New.
2983 * invoke.texi (-mlarge_data_threshold): Document
2985 2005-07-31 Jan Hubicka <jh@suse.cz>
2987 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2988 (coalesce_vars): Likewise.
2989 * tree-ssa-live.c (coalesce_cost): New.
2990 (build_tree_conflict_graph): Use coalesce_cost.
2991 * tree-ssa-live.h (coalesce_cost): Declare.
2993 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
2995 * arm.md (all peepholes for post-increment operations): Delete.
2996 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2997 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2998 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2999 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3000 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3002 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3004 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3007 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3010 * doc/invoke.texi: Document -rdynamic.
3012 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3015 * c-parser.c (c_parser_parms_list_declarator): Call
3016 mark_forward_parm_decls.
3017 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3018 decls with visibility structure.
3020 2005-07-30 Paul Brook <paul@codesourcery.com>
3022 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3024 2005-07-30 Paul Brook <paul@codesourcery.com>
3026 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3028 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3030 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3032 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3035 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3036 nested function declarators.
3037 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3038 (grokparms): Call warn_if_shadowing for parameters used within the
3040 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3041 not used within the parameter list.
3042 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3044 2005-07-30 Jan Hubicka <jh@suse.cz>
3046 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3047 * i386.c (ix86_fixup_binary_operands): Likewise.
3048 (ix86_expand_unary_operator): Likewise.
3049 (ix86_expand_fp_absneg_operator): Likewise.
3050 * optabs.c (expand_vec_cond_expr): Validate dest.
3052 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3055 * real.c (real_from_string): Also set last bit if there is a
3056 nonzero hex digit beyond GCC's internal precision after ".".
3058 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3060 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3061 define_constants. Change duplicate values to unassigned numbers.
3062 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3063 (*altivec_vspltsf): New.
3064 (altivec_vperm_v4sf): Delete.
3065 (altivec_vperm_<mode>): Use mode macro V.
3066 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3067 (altivec_predicate_v4sf): Delete.
3068 (altivec_predicate_<mode>): Use mode macro V.
3069 (*altivec_lvesfx): New.
3070 (*altivec_stvesfx): New.
3071 (vec_realign_load_v4sf): Delete.
3072 (vec_realign_load_<mode>): Use mode macro V.
3073 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3076 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3079 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3081 * configure: Regenerated.
3083 2005-07-29 Paul Brook <paul@codesourcery.com>
3085 * doc/install.texi: Add link to GFortran binaries wiki page.
3087 2005-07-29 David Ung <davidu@mips.com>
3089 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3090 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3091 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3092 * config/mips/mips.md (cpu): Add 5kf name.
3093 (includes): Includes 5k.md.
3094 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3095 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3098 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3101 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3102 (cleanup_tree_cfg): ... here.
3103 Call cleanup_tree_cfg_1 until there are no more cleanups to
3106 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3108 * tree-vrp.c (compare_range_with_value): Return true or false
3109 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3110 EQ_EXPR respectively.
3112 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3114 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3117 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3119 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3120 (tree_ssa_dominator_optimize): Increment it.
3121 (dump_dominator_optimization_stats): Print it.
3123 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3124 Steven Bosscher <stevenb@suse.de>
3126 PR rtl-optimization/23117
3127 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3128 when head == tail. Tidy comment.
3130 2005-07-28 Richard Henderson <rth@redhat.com>
3132 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3133 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3134 * jump.c (rtx_renumbered_equal_p): Likewise.
3135 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3136 CONST_INT and CONST_DOUBLE.
3137 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3138 * reload.c (operands_match_p): Special case CONST_INT and
3139 CONST_DOUBLE; check mode earlier.
3141 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3144 * c-typeck.c (convert_for_assignment): Do not check
3145 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3147 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3150 * c-typeck.c (composite_type): Prefer constant size arrays to
3153 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3156 * real.c (real_from_string): Set last bit if there is a nonzero
3157 hex digit beyond GCC's internal precision.
3159 2005-07-28 Richard Henderson <rth@redhat.com>
3162 * cfgcleanup.c (try_forward_edges): Watch out for end of
3165 2005-07-28 James E Wilson <wilson@specifixinc.com>
3168 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3170 2005-07-28 Jan Hubicka <jh@suse.cz>
3172 * Makefile.in (rtl-profile.o): Kill all traces of it.
3173 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3174 * coverage.h (rtl_coverage_counter_ref): Kill.
3175 * opts.c (flag_speculative_prefetching_set): Kill.
3176 (flag_loop_optimize_set): New.
3177 (common_handle_option): Disable loop optimizer when profiling;
3178 do not handle speculative prefetching.
3179 * passes.c (init_optimization_passes): Replace pass_profiling combo
3180 by branch_prob pass.
3181 * profile.c (compute_value_histograms): Update for simplified value
3183 (rtl_register_profile_hooks): Kill.
3184 (pass_profiling): Kill.
3185 (rest_of_handle_branch_prob): Do not profile.
3186 * toplev.c (process_options): Remove speculative prefetching.
3187 * toplev.h (flag_tree_based_profiling): Kill.
3188 * tree-profile.c (prepare_instrumented_value,
3189 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3190 tree_gen_one_value_profiler, do_tree_profiling): Update for
3191 simplified datastructures.
3192 * value-prof.c: Add comment that speculative prefetching was dropped;
3193 update rest of file for simplified datastructures.
3194 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3195 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3196 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3197 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3198 rtl_mod_subtract, gen_speculative_prefetch,
3199 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3200 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3201 (gate_handle_value_profile_transformations,
3202 rest_of_handle_value_profile_transformations,
3203 pass_value_profile_transformations): Kill.
3204 * value-prof.h (histogram_value_t): Remove IL based unions.
3205 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3206 rtl_profile_hooks): Remove hooks.
3208 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3210 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3211 (cgraph_clone_node): Likewise.
3212 * cgraph.h (cgraph_clone_edge): Update prototype.
3213 (cgraph_clone_node): Likewise.
3214 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3216 (lookup_recursive_calls): Consider profile.
3217 (cgraph_decide_recursive_inlining): Fix updating; use new
3218 probability argument; use profile.
3219 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3220 * tree-inline.c (copy_bb): Update clal of clone_edge.
3221 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3223 * invoke.texi (min-inline-recursive-probability): Document.
3225 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3227 * doc/install.texi (Configuration): Update Valgrind homepage.
3229 2005-07-28 Richard Henderson <rth@redhat.com>
3232 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3233 labels we want to delete.
3234 (cfg_layout_merge_blocks): Likewise.
3236 2005-07-28 Richard Henderson <rth@redhat.com>
3239 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3240 when expanding to nothing.
3242 2005-07-28 Josh Conner <jconner@apple.com>
3244 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3245 (cgraph_decide_inlining_of_small_functions): Likewise.
3247 2005-07-28 Josh Conner <jconner@apple.com>
3249 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3250 direction of badness if negative.
3251 (cgraph_default_inline_p): Add reason to parameters, and assign it
3253 (cgraph_decide_inlining_of_small_functions): New parameter in call
3254 to cgraph_default_inline_p.
3255 (cgraph_decide_inlining_incrementally): Likewise.
3256 * cgraphunit.c (decide_is_function_needed): Likewise.
3257 * cgraph.h (cgraph_default_inline_p): Likewise.
3259 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3261 * builtins.c: Fix comment typo(s).
3262 * genautomata.c: Likewise.
3263 * gimplify.c: Likewise.
3264 * tree-dfa.c: Likewise.
3265 * tree-flow-inline.h: Likewise.
3266 * tree-into-ssa.c: Likewise.
3267 * tree-ssa-alias.c: Likewise.
3268 * tree-ssa-ccp.c: Likewise.
3269 * tree-ssa-copy.c: Likewise.
3270 * tree-ssa-dce.c: Likewise.
3271 * tree-ssa-dom.c: Likewise.
3272 * tree-ssa-operands.c: Likewise.
3273 * tree-tailcall.c: Likewise.
3274 * tree-vectorizer.c: Likewise.
3275 * tree-vrp.c: Likewise.
3278 2005-07-28 Jeff Law <law@redhat.com>
3280 * tree-vrp.c (test_for_singularity): Extracted from ...
3281 (simplify_cond_using_ranges): Attempt to simplify a relational
3282 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
3284 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
3286 PR tree-optimization/22506
3287 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3288 phis whose argument is constant.
3290 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
3292 PR rtl-optimization/18992
3293 Back out this patch:
3294 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3295 PR optimization/12142
3296 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3297 uses of the register in the SET_SRC. Remove unnecessary argument.
3299 Replace it with this:
3300 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3301 if flag_non_call_exceptions is set and the insn may trap, pass
3302 pc_rtx as dest for recursion.
3303 In SET_SRC part of SET case, if dest is already set, pass it down
3306 2005-07-28 Jan Hubicka <jh@suse.cz>
3308 * cfg.c (update_bb_profile_for_threading): Use RDIV.
3309 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3310 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3312 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3313 profile when available.
3315 2005-07-28 Jan Beulich <jbeulich@novell.com>
3317 * config/ia64/ia64.c (ia64_load_pair_ok): New.
3318 (ia64_print_operand): Describe and handle 'X'.
3319 (ia64_register_move_cost): Also handle FP_REGS.
3320 (ia64_preferred_reload_class): Likewise.
3321 (ia64_secondary_reload_class): Likewise.
3322 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3323 it. Also check for ITANIUM_CLASS_FLDP.
3324 * config/ia64/ia64.h (FP_REGNO_P): New.
3325 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3326 (reg_class): Add FP_REGS.
3327 (REG_CLASS_NAMES): Adjust for it.
3328 (REG_CLASS_CONTENTS): Likewise.
3329 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3330 (REG_CLASS_FROM_LETTER): Handle 'x'.
3331 (CLASS_MAX_NREGS): Handle FP_REGS.
3332 (MEMORY_MOVE_COST): Likewise.
3333 * config/ia64/ia64.md (itanium_class): Add fldp.
3334 (type): Handle fldp.
3335 (movti_internal): More allowable operand combinations. Use ldfp8 when
3336 splitting unnecessary. Remove predicable attribute. Adjust
3337 itanium_class attribute.
3338 (smuldi3_highpart): Remove outdated comment.
3339 (mulditi3, umulditi3, rotlti3): New expanders.
3340 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3341 (absti2): Disabled new insn for future reference.
3342 Respective new splitters.
3343 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3344 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3345 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3347 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
3349 PR rtl-optimization/23047
3350 * simplify-rtx.c (simplify_const_relational_operation): Respect
3351 flag_wrapv for comparisons with ABS.
3353 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
3355 PR tree-optimization/22493
3356 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3357 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3359 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
3361 * config/frv/frv.opt (moptimize-membar): New.
3363 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3365 * config/frv/frv.h: Remove machine_function definition.
3367 * config/frv/frv.c (struct frv_io): New.
3368 (struct machine_function): Moved from frv.h. Add has_membar_p.
3369 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3370 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3371 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3372 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3373 (frv_reorg): Call frv_optimize_membar when appropriate.
3374 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3375 (frv_expand_builtin): Adjust calls accordingly.
3376 (frv_io_address_cookie): New function.
3377 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3378 load or store rather than a special insn. Add ccnstant address and
3379 io-type operands to the membar.
3380 (frv_ifcvt_modify_tests): Unsign regno.
3381 (frv_ifcvt_modify_tests): Same.
3383 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3384 UNSPEC_OPTIONAL_MEMBAR constant.
3385 (builtin_read_<mode>): Delete.
3386 (builtin_write_<mode>): Delete.
3387 ("optional_membar_<mode>"): Add operand.
3389 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3390 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3391 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3392 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3393 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3394 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3395 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3396 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3397 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3399 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3401 * df.c (df_uses_record): Handle SCRATCH.
3403 2005-07-28 Steven Bosscher <stevenb@suse.de>
3406 * passes.c (rest_of_decl_compilation): If decl is a type and
3407 we have encountered errors, don't emit debug information.
3409 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3411 * params.def: Fixed comment.
3413 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3416 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3417 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3418 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3420 2005-07-27 Steven Bosscher <stevenb@suse.de>
3423 * varasm.c (assemble_start_function): Don't do anything that may
3424 require a CFG if the current function is a thunk.
3426 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3428 * doc/install.texi (Prerequisites): Mention that perl is needed
3429 to do export control in libstdc++ targetting Darwin.
3431 2005-07-27 Steven Bosscher <stevenb@suse.de>
3433 PR rtl-optimization/17808
3434 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3435 (sched_insns_conditions_mutex_p): Split out from...
3436 (add_dependence): ...here. But don't call it from here.
3437 (add_dependence_list): Check sched_insns_conditions_mutex_p
3438 before calling add_dependence.
3439 (add_dependence_list_and_free): Likewise.
3440 (fixup_sched_groups): Likewise.
3441 (sched_analyze_1): Likewise.
3442 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3443 (sched_analyze): Likewise.
3444 (sched_analyze_insn): Likewise.
3445 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3446 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3447 dependencies on all COND_EXEC insns to jumps ending basic blocks
3448 when doing intrablock scheduling.
3449 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3451 2005-07-27 Jeff Law <law@redhat.com>
3453 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3454 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
3455 equivalency sets, correctly handle the case were vr0 has an
3456 equivalency set, but vr1 does not.
3458 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
3460 PR tree-optimization/23073
3461 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3462 vect_print_dump_info before fprintf.
3464 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3466 PR tree-optimize/22348
3467 * tree-ssa-loop-niter.c (number_of_iterations_cond):
3468 Fold the partial computation.
3470 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3472 PR tree-optimization/22325
3473 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3475 * tree-scalar-evolution.c (scev_const_prop): Add generic final
3477 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3478 (force_var_cost): ... this function.
3479 (compute_phi_arg_on_exit): Export.
3481 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3483 PR tree-optimization/20773
3484 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3487 2005-07-27 Richard Guenther <rguenther@suse.de>
3489 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3490 Avoid pushing again if current struct contains only
3491 fields we decomposed.
3493 2005-07-27 Jan Hubicka <jh@suse.cz>
3495 PR tree-optimization/22574
3496 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3499 * tree-tailcall.c (decrease_profile): New function.
3500 (eliminate_tail_call): Use it.