1 2005-09-19 Richard Sandiford <richard@codesourcery.com>
3 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
4 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
6 2005-09-19 Richard Henderson <rth@redhat.com>
8 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
11 2005-09-19 Richard Henderson <rth@redhat.com>
13 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
14 (ia64_expand_dot_prod_v8qi): New.
15 * config/ia64/ia64-protos.h: Update.
16 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
17 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
18 sdot_prodv8qi, sdot_prodv4hi): New.
19 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
21 2005-09-19 Richard Henderson <rth@redhat.com>
24 * real.c (exact_real_truncate): Return false if the format cannot
25 represent the number as a normal.
27 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
30 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
32 * tree-ssa-operands.c (swap_tree_operands): Export.
33 * tree.h (swap_tree_operands): Declare.
34 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
35 Call swap_tree_operands.
37 2005-09-19 Richard Henderson <rth@redhat.com>
39 * tree-flow.h (merge_alias_info): Declare.
40 * tree-ssa-copy.c (merge_alias_info): Export.
41 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
42 (vect_create_data_ref_ptr): Use create_iv directly.
43 (vectorizable_load): Use correct types for integer constants.
44 (vect_generate_tmps_on_preheader): Likewise.
45 (vect_gen_niters_for_prolog_loop): Likewise.
47 2005-09-19 Steven Bosscher <stevenb@suse.de>
49 PR rtl-optimization/23943
50 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
52 2005-09-18 Jan Hubicka <jh@suse.cz>
54 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
56 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
58 * varasm.c (output_constant): Do not abort on conversions to union
59 types between different sizes.
61 2005-09-18 Richard Guenther <rguenther@suse.de>
64 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
67 2005-09-18 Paul Brook <paul@codesourcery.com>
69 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
71 2005-09-17 Richard Henderson <rth@redhat.com>
73 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
74 * tree-ssa-loop.c (pass_vect_dce): Remove.
75 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
78 2005-09-17 Richard Henderson <rth@redhat.com>
80 * tree-pass.h (pass_vect_dce): Declare.
81 * passes.c (init_optimization_passes): Add it.
82 * tree-flow.h (tree_ssa_dce): Declare.
83 * tree-ssa-dce.c (tree_ssa_dce): Export.
84 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
85 (gate_tree_vectorize): ... here.
88 2005-09-17 Jan Hubicka <jh@suse.cz>
90 * except.c (struct eh_status): Turn region_array into vec.
91 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
92 convert_from_eh_region_ranges, find_exception_handler_labels,
93 current_function_has_exception_handlers, assign_filter_values,
94 build_post_landing_pads, dw2_build_landing_pads,
95 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
96 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
97 foreach_reachable_handler, can_throw_internal_1,
98 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
100 (duplicate_eh_region_1): Update region_array.
101 (duplicate_eh_regions): Resize region_array and avoid recomputing.
103 2005-09-17 David Edelsohn <edelsohn@gnu.org>
106 * expmed.c (expand_mult): Substitute simple register for op0 when
109 2005-09-17 Richard Henderson <rth@redhat.com>
111 * expr.c (emit_move_via_integer): Add force argument, pass it on
112 to emit_move_change_mode. Update callers.
113 (emit_move_complex): Pass true to new force argument.
114 * function.c (expand_function_end): Move expand_eh_return call
115 earlier. Merge sub-word complex values into a pseudo before
116 copying to the return hard register.
118 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
120 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
121 between different sizes.
123 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
127 * passes.c (init_optimization_passes): Register dump files for
130 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
132 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
133 * config/s390/s390.c (s390_overlap_p): New function.
134 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
135 peephole2, "*xc" peephole2): Added overlap check to the peephole2
138 2005-09-16 Richard Guenther <rguenther@suse.de>
140 * ipa-pure-const.c (static_execute): Free auxiliar information.
141 * ipa-type-escape.c (discover_unique_type): Free temporary key.
142 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
144 2005-09-15 DJ Delorie <dj@redhat.com>
146 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
148 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
150 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
152 (swap_commutative_operands_with_target): New.
154 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
156 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
159 (estimate_iters_using_array): New function.
160 * tree-data-ref.h (estimate_iters_using_array): Prototype
161 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
162 Use estimate_iters_using_array instead of analyze_array.
164 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
166 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
169 2005-09-15 Michael Matz <matz@suse.de>
171 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
173 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
175 PR tree-optimization/23835
176 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
177 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
179 2005-09-14 Richard Henderson <rth@redhat.com>
181 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
182 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
184 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
186 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
187 in the ARRAY_TYPE case.
189 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
191 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
193 2005-09-14 Uros Bizjak <uros@kss-loka.si>
196 * tree-vect-transform.c (vectorizable_operation): Return false for
197 scalar shift operations and for vector shift operations with
198 non-invariant shift arguments. Use scalar tree operand op1 as
199 a shift operand when vector shift insn pattern uses scalar shift
201 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
203 2005-09-14 Olivier Hainque <hainque@adacore.com>
205 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
206 value if it has side-effects.
208 2005-09-14 David Edelsohn <edelsohn@gnu.org>
211 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
213 2005-09-14 Alan Modra <amodra@bigpond.net.au>
215 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
216 passed as NAME as if it were label at start of function code.
218 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
220 * config/sh/sh.md (*movv4sf_i): Add general register cases to
223 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
225 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
226 as early clobber. Rewrite so the PIC register is not implicitly used.
228 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
230 * tree.c (annotate_with_file_line): Compare line numbers before
233 2005-09-13 Uros Bizjak <uros@kss-loka.si>
236 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
237 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
239 2005-09-13 Ian Lance Taylor <ian@airs.com>
241 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
242 than a HOST_WIDEST_INT to gen_doloop_begin.
244 2005-09-13 Diego Novillo <dnovillo@redhat.com>
246 * tree-dfa.c (dump_variable): Guard against NULL annotations.
248 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
250 PR tree-optimize/23817
251 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
253 2005-09-13 Alan Modra <amodra@bigpond.net.au>
256 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
257 word before changing the stack pointer. Use gen_frame_mem for MEMs.
258 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
259 (restore_stack_nonlocal): Likewise.
260 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
262 2005-09-12 Ian Lance Taylor <ian@airs.com>
265 * c.opt (ffriend-injection): New C++ option.
266 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
267 (C++ Dialect Options): Document -ffriend-injection.
269 2005-09-12 Josh Conner <jconner@apple.com>
272 * ipa-reference.c (static_execute): Don't mark variables in
273 named sections TREE_READONLY.
275 2005-09-12 Alan Modra <amodra@bigpond.net.au>
277 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
280 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
282 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
283 V_MUST_DEF instead of just the first_use_p.
284 Don't mark the virtual variables for renaming on the statement which
286 (pass_dse): Remove TODO_update_ssa.
288 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
291 * stor-layout.c (compute_record_mode): For records with a single
292 field, actually check the field's mode size against the type size.
294 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
295 registers for TARGET_SHMEDIA.
296 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
297 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
298 of GENERAL_REGS and FP_REGS.
300 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
302 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
304 2005-09-12 Alan Modra <amodra@bigpond.net.au>
306 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
307 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
308 are omitted. Exclude stack_tie insn too.
310 2005-09-11 David Edelsohn <edelsohn@gnu.org>
312 PR rtl-optimization/23098
313 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
315 * config/rs6000/rs6000.md (movdf splitter): Use
316 const_double_operand predicate for TARGET_POWERPC64.
317 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
318 SYMBOL_REF method to ABI_V4.
320 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
321 replace_equiv_address.
322 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
323 rs6000_sr_alias_set and MEM_NOTRAP.
324 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
326 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
328 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
329 handle CALL_EXPR again.
331 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
333 * arm/predicates.md (alignable_memory_operand): Delete.
335 2005-09-10 Richard Henderson <rth@redhat.com>
338 * dbxout.c (dbxout_expand_expr): New.
339 (dbxout_symbol): Use it.
341 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
343 * arm.c (arm_gen_rotated_half_load): Delete.
344 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
345 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
346 (thumb_set_return_address): Likewise.
347 (thumb_load_double_from_address): Use adjust_address.
348 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
349 (extendhsisi2_mem, movhi_bytes): Use change_address.
350 (movhi): Use widen_memory_access.
351 (reload_out_df): Use replace_equiv_address.
352 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
354 2005-09-09 Richard Henderson <rth@redhat.com>
357 * dbxout.c: Include expr.h.
358 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
359 (dbxout_symbol): Handle DECL_VALUE_EXPR.
360 * Makefile.in (dbxout.o): Add EXPR_H.
362 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
364 PR tree-optimization/23509
365 * tree-cfg.c (replace_uses_by): Use replace_exp.
366 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
367 pointers have name_mem_tag or type_mem_tag set.
369 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
371 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
372 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
373 of wrongly accessing operands.
375 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
377 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
378 * tree-chrec.c: Include tree-scalar-evolution.h.
379 (chrec_convert): Instantiate the base and step before calling
380 scev_probably_wraps_p that would fail on parametric evolutions.
381 Collect all the fails into a single section failed_to_convert,
382 print a diagnostic, and return chrec_dont_know instead of calling
384 * tree-scalar-evolution.c (loop_closed_phi_def): New.
385 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
387 (scev_const_prop): Don't replace the definition of a loop closed ssa
388 phi node by itself, or by another loop closed ssa phi node.
389 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
390 that base and step are defined.
392 2005-09-09 Richard Guenther <rguenther@suse.de>
395 * fold-const.c (fold_ternary): Check truth_value_p before
396 calling invert_truthvalue.
398 2005-09-09 Nick Clifton <nickc@redhat.com>
400 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
401 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
402 dimension of these arrays.
403 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
405 * longlong.h: Only provide a prototype for the __clz_tab[] array
406 if this header has not been included from libgcc2.h.
407 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
409 Provide prototypes for exported functions.
410 Use the __clz_tab[] and __popcount_tab[] arrays provided by
413 2005-09-08 Josh Conner <jconner@apple.com>
417 * expr.c (expand_expr_addr_expr_1): Don't invoke
418 expand_simple_binop for EXPAND_INITIALIZER.
420 2005-09-08 Richard Henderson <rth@redhat.com>
423 * toplev.c (wrapup_global_declaration_1): Split out ...
424 (wrapup_global_declaration_2): ... from ...
425 (wrapup_global_declarations): ... here. Return bool.
426 (check_global_declaration_1): Split out ...
427 (check_global_declarations): from here.
428 (emit_debug_global_declarations): New.
429 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
430 check_global_declaration_1, emit_debug_global_declarations): Declare.
431 * c-decl.c (c_write_global_declarations_1): Don't create a vector
432 of decls. Call wrapup_global_declaration_1,
433 wrapup_global_declaration_2, check_global_declaration_1 directly.
434 (c_write_global_declarations_2): New.
436 (c_write_global_declarations): Call c_write_global_declarations_2.
437 * langhooks.c (write_global_declarations): Call
438 emit_debug_global_declarations.
440 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
441 remove decls that have DECL_RTL_SET_P.
442 * passes.c (rest_of_decl_compilation): Invoke
443 cgraph_varpool_finalize_decl for all but functions.
445 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
447 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
448 the result of a conversion if the new min and max cannot be compared.
450 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
452 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
453 (override_options): Setting s390_sr_alias_set removed.
454 (save_fpr, save_gprs): Set alias set to vararg or frame.
455 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
456 s390_sr_alias_set with get_frame_alias_set ().
457 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
458 get_varargs_alias_set ().
460 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
464 * c-parser.c (c_parser_objc_method_definition): If the next
465 token is not "{", error out and don't start the function.
467 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
469 * tree-vrp.c (extract_range_from_expr): Move the check for non
470 nullness after the check for gimple invariant.
472 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
474 * tree.c (host_integerp, tree_low_cst): Correct function comment.
476 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
479 * config/m32r.md (movmemsi_internal): Canonicalize order of
480 operands in PLUS component of template.
482 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
484 * reload1.c (fixup_eh_region_note): Remove assertion.
485 (fixup_abnormal_edges): Reverted removal of call to
486 find_many_sub_basic_blocks made on 2005-08-31.
488 2005-09-07 Richard Henderson <rth@redhat.com>
490 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
491 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
492 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
493 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
494 rearrange for better packing.
495 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
496 (lookup_cfa_1): Remove inline marker.
497 (cfa_equal_p): Split out of ...
498 (def_cfa_1): ... here. Use INVALID_REGNUM.
499 (build_cfa_loc): Handle !cfa->indirect.
500 (frame_pointer_cfa_offset): New.
501 (dbx_reg_number): Assert register elimination performed; do
502 leaf register remapping.
503 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
504 (eliminate_reg_to_offset): New.
505 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
506 for verifiably local stack frame addresses; re-base to CFA.
507 (mem_loc_descriptor): Remove can_use_fbreg argument.
508 (concat_loc_descriptor, loc_descriptor): Likewise.
509 (containing_function_has_frame_base): Remove.
510 (rtl_for_decl_location): Don't do register elimination or
511 leaf register remapping here.
512 (secname_for_decl): Split out from ..
513 (add_location_or_const_value_attribute): ... here.
514 (convert_cfa_to_loc_list): New.
515 (compute_frame_pointer_to_cfa_displacement): New.
516 (gen_subprogram_die): Use them.
517 * tree.h (frame_base_decl): Remove.
518 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
519 (prologue_stack_adjust): Remove.
520 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
521 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
522 (set_frame_base_location): Remove.
523 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
524 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
525 (vt_add_function_parameters): Don't eliminate_regs.
526 (vt_initialize): Don't create frame_base_decl.
528 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
530 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
531 version of GNU binutils for 4.x and later.
533 2005-09-06 Mark Mitchell <mark@codesourcery.com>
535 * ggc-page.c (ggc_push_context): Remove.
536 (ggc_pop_context): Likewise.
537 * ggc.h (ggc_push_context): Remove.
538 (ggc_pop_context): Likewise.
540 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
543 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
544 returning from an interrupt handler.
546 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
549 * config/arc/arc.c (output_shift): Add check for loop count when
552 2005-09-06 Steven Bosscher <stevenb@suse.de>
554 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
556 (abs_replacement): Likewise.
557 (pass_phiopt): Remove TODO_update_ssa.
559 2005-09-06 Jakub Jelinek <jakub@redhat.com>
562 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
563 if "return with no value, in function returning non-void" warning
565 * tree-cfg.c (execute_warn_function_return): Don't look at
566 RETURN_EXPRs with TREE_NO_WARNING set.
569 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
570 for internal functions doesn't use registers used by global registers
571 variables. Use fewer register parameters if there are global register
574 2005-09-06 Olivier Hainque <hainque@adacore.com>
575 Eric Botcazou <ebotcazou@adacore.com>
578 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
579 when we would be extracting outside its bit span (bitpos+bitsize
580 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
581 Ada unchecked conversions.
583 2005-09-06 Steven Bosscher <stevenb@suse.de>
585 * tree-ssa-pre.c (try_look_through_load): New function.
586 (compute_avail): Use it to try to look through loads for some
587 more useful expressions.
589 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
591 * simplify-rtx.c (simplify_binary_operation_1): Correct the
592 condition for detecting cases like (a&a) and (a^a).
594 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
596 * common.opt: Add option ftree-vect-loop-version.
597 * params.def: Add --param vect-max-version-checks.
598 * doc/invoke.texi: Document ftree-vect-loop-version and
599 --param vect-max-version-checks.
600 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
601 may_misalign_stmts and defines for accessors.
602 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
603 LOOP_VINFO_MAY_MISALIGN_STMTS.
604 (destroy_loop_vec_info): VEC_free for
605 LOOP_VINFO_MAY_MISALIGN_STMTS.
606 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
607 Update documentation.
608 (vect_update_misalignment_for_peel): New.
609 (vect_enhance_data_refs_alignment): Update to choose loop
610 peeling or loop versioning if appropriate for the (potentially)
611 unaligned data references in the loop.
612 (vect_analyze_data_refs_alignment): Remove call to
613 vect_enhance_data_refs_alignment so the checks can be done
615 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
616 and move up call to vect_analyze_data_refs_alignment.
617 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
618 (vect_transform_loop): Add call to loop_version.
620 2005-09-06 Jakub Jelinek <jakub@redhat.com>
622 PR rtl-optimization/23098
623 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
624 * simplify-rtx.c (constant_pool_reference_p): New function.
625 * rtl.h (constant_pool_reference_p): New prototype.
626 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
627 constant_pool_reference_p in condition and
628 avoid_constant_pool_reference in preparation statements.
630 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
632 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
633 STRICT_LOW_PART SETs.
635 2005-09-06 Alan Modra <amodra@bigpond.net.au>
638 * except.c (sjlj_emit_function_enter): Find the function begin
639 note even when it's not in first basic block.
641 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
643 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
644 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
645 * aclocal.m4: Regenerate.
647 2005-09-05 DJ Delorie <dj@redhat.com>
649 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
652 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
654 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
655 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
656 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
657 Follow spelling conventions.
658 * doc/invoke.texi: Follow spelling conventions.
660 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
662 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
663 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
664 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
666 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
669 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
670 (output_stack_adjust): Use gen_tmp_stack_mem.
671 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
672 (sh_set_return_address, sh_allocate_initial_value): Likewise.
673 (sh_get_pr_initial_val): Likewise.
674 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
675 (sh_initialize_trampoline): Likewise. Also use adjust_address.
676 * sh.md (divsi_inv_m0): Use gen_const_mem.
677 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
678 (movdf_i4+1): Use gen_tmp_stack_mem.
679 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
680 (fpu_switch+2): Likewise.
681 (movv4sf_i, movv16sf_i): Use adjust_address.
682 (symGOT_load): Set MEM_NOTRAP_P bit.
684 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
687 * pa.c (emit_move_sequence): Fix typo in last change.
689 2005-09-03 Jakub Jelinek <jakub@redhat.com>
691 PR rtl-optimization/23454
692 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
695 2005-09-03 Richard Henderson <rth@redhat.com>
696 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
699 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
702 2005-09-02 Nicolas Pitre <nico@cam.org>
704 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
705 to bit_count to 32 bits.
707 2005-08-31 Mark Mitchell <mark@codesourcery.com>
710 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
711 generating synthetic loads from volatile lvalues.
713 005-09-02 Nick Clifton <nickc@redhat.com>
715 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
716 __ctzhi2, __clzhi2): New functions.
718 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
721 * tree-nested.c (struct var_map_elt): Mark with GTY.
722 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
724 (lookup_field_for_decl): Allocate new element in GC memory.
725 (lookup_tramp_for_decl): Likewise.
726 (convert_nl_goto_reference): Likewise
727 (create_nesting_tree): Allocate info in GC memory. Likewise for
729 (free_nesting_tree): Free with ggc_free instead of free.
730 (root): New static variable.
731 (lower_nested_functions): Remove root as local variable. And zero out
732 root at the end of the function.
734 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
736 PR rtl-optimization/20365
737 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
738 to short. New member ix.
739 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
740 (simplify_plus_minus): Initialize ix members before calling qsort.
742 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
744 PR tree-optimization/23626
745 * tree-cfg.c (replace_uses_by): Clean up eh info.
747 2005-09-01 DJ Delorie <dj@redhat.com>
749 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
752 2005-09-01 David Edelsohn <edelsohn@gnu.org>
754 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
755 (rs6000_split_multireg_move): Use replace_equiv_address instead of
758 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
760 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
761 do not issue warning for a variable definition following
764 2005-09-01 Richard Henderson <rth@redhat.com>
767 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
768 conversion to CONST_VECTOR.
770 2005-09-01 Richard Henderson <rth@redhat.com>
773 * reload1.c (reload_as_needed): Check !CALL_P before calling
774 fixup_eh_region_note.
775 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
777 2005-09-01 DJ Delorie <dj@redhat.com>
779 * varasm.c (output_constant): Let the target resolve
780 conversions of addresses to non-default pointer sizes.
782 2005-09-01 Nicolas Pitre <nico@cam.org>
784 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
785 to alow matching ARM pre-indexed addressing mode.
786 (arm_override_options): Remove now irrelevant comment.
788 2005-09-01 Phil Edwards <phil@codesourcery.com>
790 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
791 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
792 * config/i386/vxworks.h: Likewise.
793 * config/i386/t-vxworksae: New file, for VxWorks AE.
794 * config/i386/vxworksae.h: Likewise.
796 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
798 PR tree-optimization/23410
799 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
800 sequence is not wrapping during the first step.
802 2005-09-01 Jakub Jelinek <jakub@redhat.com>
805 * dwarf2out.c (base_type_die): Compare char_type_node with
806 TYPE_MAIN_VARIANT (type), not type.
808 2005-09-01 Richard Guenther <rguenther@suse.de>
810 PR tree-optimization/15366
811 * common.opt: Add -finline-functions-called-once.
812 Put -fearly-inlining in alphabetically ordered place.
813 * doc/invoke.texi: Document new option.
814 * ipa-inline.c (cgraph_decide_inlining): Honour
815 flag_inline_functions_called_once.
817 2005-09-01 Jakub Jelinek <jakub@redhat.com>
819 PR rtl-optimization/23478
820 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
821 (alloc_qty): Initialize it.
822 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
823 (combine_regs): Combine also n_throwing_calls_crossed fields.
824 (find_free_reg): Don't attempt to caller-save pseudos crossing
825 calls that might throw.
826 * global.c (struct allocno): Add throwing_calls_crossed field.
827 (global_alloc): Revert 2005-08-22 change. Initialize
828 throwing_calls_crossed.
829 (find_reg): Don't attempt to caller-save pseudos crossing calls that
832 2005-09-01 Alan Modra <amodra@bigpond.net.au>
835 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
836 (mask64_operand): Reinstate code prior to 2005-06-11 change.
837 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
838 (and64_2_operand): Tweak to use predicate.
839 (and_operand): Adjust for mask_operand changes.
840 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
841 (print_operand): Likewise.
842 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
843 (mask64_1or2_operand): Delete.
844 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
845 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
846 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
847 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
848 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
849 (rotldi3_internal4): Likewise.
850 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
851 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
852 (ashldi3_internal7): Likewise.
853 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
854 (ashldi3_internal, ashldi3_internal9 split): Likewise.
855 (anddi3 split): Don't match mask64_operand.
856 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
857 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
858 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
859 't' splitter predicate.
860 (movdi_internal64 + 2): Revert 2005-06-11 change.
862 2005-08-31 DJ Delorie <dj@redhat.com>
864 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
865 (m32c_asm_integer): Add support for 32 bit pointers.
867 2005-08-31 Richard Henderson <rth@redhat.com>
869 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
870 component-like references for setting MEM_NOTRAP_P.
872 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
873 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
875 2005-08-31 Richard Henderson <rth@redhat.com>
877 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
878 into a pseudo before applying gen_lowpart.
880 2005-08-31 Geoffrey Keating <geoffk@apple.com>
882 * doc/install.texi (Specific): Update cctools version required
883 for full functionality.
884 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
885 linkers as -macosx_version_min.
887 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
890 * sh.c (print_operand, %R and %S): Add handling of floating point
891 registers, memory, constants and invalid operands.
893 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
895 * ipa-pure-const.c: Change dump name.
897 2005-08-31 Uros Bizjak <uros@kss-loka.si>
900 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
901 to "reg_or_0_operand".
902 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
904 2005-08-31 Dale Johannesen <dalej@apple.com>
906 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
907 loops that count down.
909 2005-08-31 Richard Henderson <rth@redhat.com>
912 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
913 (fixup_eh_region_note): New.
914 (reload_as_needed): Call it.
915 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
916 don't call find_many_sub_basic_blocks; call verify_flow_info.
917 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
918 (keep_stack_depressed): Likewise.
919 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
921 2005-08-31 Richard Henderson <rth@redhat.com>
923 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
926 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
928 * expr.c (expand_expr_real_1): Compare size of address
929 mode to target's address mode size in deciding expansion of
930 the constant address.
932 2005-08-31 Richard Guenther <rguenther@suse.de>
935 * expr.c (all_zeros_p): New function.
936 (expand_expr_real_1): Handle the case of an all-zero
937 non-addressable constructor separately.
939 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
941 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
942 arguments, adjust all callers.
943 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
945 2005-08-30 Richard Henderson <rth@redhat.com>
948 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
949 whenever the mode sizes match.
951 2005-08-31 Alan Modra <amodra@bigpond.net.au>
953 * calls.c (load_register_parameters): Fix comment typo.
954 * expr.c (emit_push_insn): Comment formatting.
956 2005-08-30 Ian Lance Taylor <ian@airs.com>
958 * config/i386/x-cygwin (host-cygwin): Change dependency from
959 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
961 2005-08-29 Geoffrey Keating <geoffk@apple.com>
963 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
966 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
969 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
972 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
975 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
976 beginning. Remove $(INCLUDES) from all the rules, if following
977 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
979 2005-08-29 Jakub Jelinek <jakub@redhat.com>
982 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
983 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
984 not constant, but maxlen is, don't set len to maxlen, rather
985 set maxlen to len if len is a constant.
987 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
989 PR tree-optimization/23475
990 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
993 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
995 Fix PR middle-end/22455
997 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
998 Checksum only the parts of the tree that exist for the tree code.
1000 2005-08-28 Dale Johannesen <dalej@apple.com>
1002 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1004 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1006 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1008 2005-08-28 Richard Henderson <rth@redhat.com>
1010 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1011 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1014 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1017 * builtins.c (get_memory_rtx): Don't strip nops
1018 in between COMPONENT_REFs.
1020 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1023 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1025 (gimplify_modify_expr): Check for zero sized types and gimplify the
1026 rhs and lhs as statements.
1028 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1031 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1032 state for return address column of signal frames.
1034 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1037 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1038 bytes >= 2 not bytes == 2.
1039 (expand_block_move): Same.
1041 2005-08-27 Richard Guenther <rguenther@suse.de>
1044 * config/i386/sse.md (sse2_movsd): Add missing closing
1047 2005-08-27 Paul Brook <paul@codesourcery.com>
1049 * genrecog.c (enum decision_type): Add DT_num_insns.
1050 (struct decision_test): Add u.num_insns.
1051 (add_to_sequence): Add DT_num_insns test.
1052 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1053 (write_cond, debug_decision_2): Ditto.
1054 (change_state): Assume peep2_next_insn never fails.
1055 Remove "afterward" argument.
1056 (write afterward, write_tree): Update to match.
1057 * recog.c (peep2_current_count): New variable.
1058 (peep2_next_insn): Check it.
1059 (peephole2_optimize): Set peep2_current_count.
1060 * recog.h (peep2_current_count): Declare.
1062 2005-08-26 Josh Conner <jconner@apple.com>
1065 * ipa-pure-const.c (check_tree): Check for volatile-ness
1066 when considering a dereference.
1068 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1070 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1072 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1074 PR rtl-optimization/23561
1075 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1076 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1077 at most LEN bytes long memory fits into the field.
1078 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1079 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1080 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1082 2005-08-26 Richard Henderson <rth@redhat.com>
1085 * loop.c (biased_biv_may_wrap_p): New.
1086 (maybe_eliminate_biv_1): Use it to suppress non-equality
1087 comparison transformations. Delete disabled code.
1089 2005-08-26 Ian Lance Taylor <ian@airs.com>
1091 * combine.c (make_extraction): Avoid reference outside object.
1093 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1095 * stor-layout.c (finalize_type_size): Restore behaviour for
1096 non-aggregate types to the status quo ante of the patch for
1097 pr 23467. Document why it matters.
1099 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1102 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1103 array by one element, initialize the BT_LAST element with NULL.
1105 2005-08-26 David Edelsohn <edelsohn@gnu.org>
1107 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1108 optimizing for size.
1110 (compare_plus_eqsi): Same.
1111 (plus_eqsi_compare): Same.
1112 (neg_eq0<mode>): Same.
1113 (neg_eq<mode>): Same.
1115 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1118 2005-08-26 Nick Clifton <nickc@redhat.com>
1120 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1121 TARGET_EP is not defined.
1122 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1123 TARGET_EP is enabled.
1124 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1125 * config/v850/v850.md (save_all_interrupt): Only use the EP
1126 register if TARGET_EP is defined.
1127 (restore_all_interrupt): Likewise.
1128 * config/v850/lib1funcs.asm: Update functions so that the EP
1129 register is only used if __EP__ is defined.
1131 2005-08-26 David Ung <davidu@mips.com>
1133 * config/mips/mips.c (mips_expand_prologue): Handle case when
1134 generating for MIPS16 and the outgoing argument area is more than
1135 SMALL_OPERAND. Use the frame pointer as temporary to generate the
1138 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
1140 * config/crx/crx.md: Make doloop_end pattern usage controllable
1141 via mloop-nesting=<max-nesting> command line switch. Make sure
1142 the combiner cannot use doloop_end_<mode> in an illegal way.
1143 * config/crx/crx.c: Use regs up to r6 for argument passing.
1144 Refine crx_address_cost (non cst4 displacements are expensive).
1145 * config/crx/crx.opt: Add switch for mloop-nesting=.
1147 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
1149 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1150 (UNSPEC_MVST): New constant.
1152 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
1154 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1155 Reject operands containing eliminable registers.
1156 * testsuite/gcc.dg/20050825-1.c: New testcase.
1158 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1159 Jan Hubicka <jh@suse.cz>
1161 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1163 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1165 PR tree-optimization/23546
1166 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1169 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
1171 * params.def (PARAM_MIN_SPEC_PROB): New.
1172 * sched-rgn.c (MIN_PROBABILITY): Delete.
1173 (compute_trg_info): Convert to PARAM_VALUE.
1174 * doc/invoke.texi (param): Document min-spec-prob.
1176 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
1178 * config/darwin.h: define __PIC__
1179 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1180 TARGET_OS_CPP_BUILTINS macro.
1182 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1184 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1187 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1189 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1191 * cfghooks.c (duplicate_block): Added position where to place
1192 new block as argument.
1193 * cfghooks.h (duplicate_block): Declaration changed.
1194 * cfglayout.c (copy_bbs): Add argument after. Pass it to
1196 * cfglayout.h (copy_bbs): Declaration changed.
1197 * cfgloop.h (loop_version): Declaration changed.
1198 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1199 position to copy_bbs.
1200 (loop_version): Pass position to duplicate_loop_to_header_edge.
1201 Add place_after argument and position new blocks according to
1203 * modulo-sched.c (sms_schedule): Pass place_after argument
1205 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1206 * tree-cfg.c (split_edge_bb_loc): New function.
1207 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1208 to determine position of new blocks.
1209 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1211 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1212 argument to duplicate_block.
1213 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1214 Pass position to copy_bbs.
1216 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1218 * fold-const.c (ptr_difference_const): Use
1219 cst_and_fits_in_hwi instead of host_integerp.
1221 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1223 * config/darwin.c (gen_pic_offset): New.
1224 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1227 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1229 PR tree-optimization/23486
1230 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1232 2005-08-23 Phil Edwards <phil@codesourcery.com>
1234 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1235 remove use_collect2.
1236 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1238 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1239 configuration files to override the default value.
1241 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1242 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1243 * config/vx-common.h: New file, split out from...
1244 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1245 * config/vxworksae.h: New file, for VxWorks AE.
1246 * config/vxworks.opt: New file.
1247 * config/vxlib.c: Update for VxWorks 6.
1249 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1250 other MULTILIB_* variables appropriately.
1251 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1252 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1253 * config/rs6000/vxworks.h: Update for VxWorks 6.
1254 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1256 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1259 * config/darwin.c (machopic_select_section): Remove the hack to
1260 mark "::operator new" and "::operator delete" for coalescing
1261 even though they are not weak.
1263 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1265 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1266 * configure: Regenerate.
1268 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1271 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1273 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1274 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1277 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1279 * config/rs6000/predicates.md (equality_operator): New.
1280 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1281 comparison with a large constant.
1283 2005-08-23 Mark Mitchell <mark@codesourcery.com>
1285 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1287 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1289 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1290 registers is even, and we have a hardware double precision fp,
1292 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1293 size of current argument when checking if argument was passed in
1296 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1299 * stor-layout.c (finalize_type_size): Dont override
1300 existing alignment with a smaller alignment from the mode.
1302 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1304 * lambda-code.c (lambda_vector_lexico_pos): Moved...
1305 * lambda.h (lambda_vector_lexico_pos): ... here.
1306 * tree-data-ref.c (build_classic_dist_vector): Return false when
1307 the distance vector is lexicographically negative.
1309 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1311 PR tree-optimization/23511
1312 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1313 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1315 2005-08-23 Jakub Jelinek <jakub@redhat.com>
1317 PR tree-optimization/22043
1318 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1319 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1320 If ALLOW_FLEXARR, handle types ending with flexible array member.
1321 Pass false as second argument to recursive count_type_elements calls.
1322 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1323 argument to count_type_elements call.
1324 * tree-sra.c (decide_block_copy): Likewise.
1325 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1326 for a constant-sized object, set cleared as well. Pass true as
1327 second argument to count_type_elements call.
1329 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1332 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1333 from legitimate_small_data_p, and make global. Update use.
1334 Remove forward declaration.
1335 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1337 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1339 2005-08-23 David Edelsohn <edelsohn@gnu.org>
1341 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1342 of scratch intermediates.
1343 (eq<mode>_compare): Same.
1344 (neg_eq0<mode>): New.
1345 (neg_eq<mode>): Convert to define_insn_and_split.
1347 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1350 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1351 stdarg functions, set/clear the fp marker even when no variable
1353 * config/rs6000/sysv4.opt (mprototype): Describe.
1355 2005-08-22 Jakub Jelinek <jakub@redhat.com>
1357 PR rtl-optimization/23478
1358 * regs.h (reg_info): Add throw_calls_crossed.
1359 (REG_N_THROWING_CALLS_CROSSED): Define.
1360 * flow.c (allocate_reg_life_data): Initialize
1361 REG_N_THROWING_CALLS_CROSSED.
1362 (propagate_one_insn, attempt_auto_inc): Update
1363 REG_N_THROWING_CALLS_CROSSED.
1364 * global.c (global_alloc): Don't allocate pseudos across
1365 calls that may throw.
1367 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1370 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1371 value is inbetween the range if we did not find an exact match.
1373 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
1375 * doc/invoke.texi (Option Summary): Add ms1 options.
1376 * doc/extend.texi: Document interrupt handler attribute for ms1.
1377 * doc/md.texi: Document ms1 constraints.
1378 * config.gcc: Add ms1-*-elf.
1379 * config/ms1/ms1.h: New.
1380 * config/ms1/ms1.c: New.
1381 * config/ms1/ms1.md: New.
1382 * config/ms1/ms1-protos.h: New.
1383 * config/ms1/ABI.txt: New.
1384 * config/ms1/crti.asm: New.
1385 * config/ms1/crtn.asm: New.
1386 * config/ms1/lib2extra-funcs.c: New.
1387 * config/ms1/t-ms1: New.
1388 * config/ms1/ms1.opt: New.
1390 2005-08-22 Ira Rosen <irar@il.ibm.com>
1392 * config/rs6000/altivec.md (xorv4sf3): New.
1393 (negv4sf2, neg<mode>2): Likewise.
1395 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1398 * config/ia64/ia64.md (divsi3): Check divide by zero.
1399 (udivsi3): Likewise.
1401 (udivdi3): Likewise.
1403 2005-08-21 Jakub Jelinek <jakub@redhat.com>
1405 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1406 up to elem_bitsize bits, not max_bitsize.
1408 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1410 PR tree-optimization/23433
1411 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1412 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1414 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1416 PR tree-optimization/23434
1417 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1418 the iteration bound is not an INTEGER_CST.
1420 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1422 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1423 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1424 NULL if need_epilog_adjust is false.
1425 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1426 Case 3 always peels first itration, not just for PLUS case, and no need
1427 to use scalar_initial_def here. Create an epilog adjustment only if
1428 scalar_initial_def is not NULL.
1430 (vectorizable_reduction): Remove assert.
1432 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1435 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1436 (__moddi3): Likewise.
1437 (__udivdi3): Likewise.
1438 (__umoddi3): Likewise.
1439 (__divsi3): Likewise.
1440 (__modsi3): Likewise.
1441 (__udivsi3): Likewise.
1442 (__umodsi3): Likewise.
1444 2005-08-20 Jakub Jelinek <jakub@redhat.com>
1446 * tree-pass.h (TDF_GRAPH): Define.
1447 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1448 * passes.c (finish_optimization_passes): Only call
1449 finish_graph_dump_file if TDF_GRAPH is set.
1450 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1451 NULL. Set TDF_GRAPH bit.
1452 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1454 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1456 * arm.h (arm_stack_offsets): Add locals_base field.
1457 * arm.c (arm_get_frame_offsets): Compute it.
1458 (thumb_compute_initial_elimination offset): Make the Thumb frame
1459 pointer point to the base of the local variables.
1460 (thumb_expand_prologue): Update accordingly.
1461 (thumb_expand_epilogue): Likewise.
1463 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1464 mode of clobbered scratch to DImode. Handle a case that's known to
1467 2005-08-19 David Edelsohn <edelsohn@gnu.org>
1469 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1470 (gt0<mode>_compare): Delete.
1471 (neg_gt0<mode>): Delete.
1473 2005-08-19 Eric Christopher <echristo@apple.com>
1475 * optabs.h: Change CTI_ to COI_.
1478 2005-08-19 James E Wilson <wilson@specifix.com>
1480 * builtins.c (expand_builtin_return_addr): Set
1481 current_function_accesses_prior_frames when count != 0. Use
1482 frame_pointer_rtx when count == 0.
1483 * function.h (struct function): Add accesses_prior_frames field.
1484 (current_function_accesses_prior_frames): Define.
1485 * reload1.c (init_elim_table): Check
1486 current_function_accesses_prior_frames.
1487 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1489 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1491 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1492 indicator. Return true if the flowgraph changed during
1495 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1498 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1499 conditional expression before testing its value.
1501 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1503 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1505 2005-08-19 Devang Patel <dpatel@apple.com>
1507 PR tree-optimization/23048
1508 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1509 third parameter. Check whether latch is dominated by exit
1511 (if_convertible_loop_p): Supply exit block itself to
1512 if_convertible_bb_p.
1514 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1517 * arm.md (arm_load_pic_register): Change argument to the mask of
1518 saved registers. Call thumb_find_work_register if we need a
1519 scratch register on Thumb.
1520 (arm_expand_prologue): Pass empty register set to
1521 arm_load_pic_register.
1522 (thumb_expand_prologue): Pass live_regs_mask directly to
1523 arm_load_pic_register.
1524 * arm-protos.h (arm_load_pic_register): Update prototype.
1526 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1528 * sh.c (find_sole_member): New function.
1529 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1530 if the record's alignment is larger than the size of its only member.
1532 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1535 * arm.c (thumb_legitimize_reload_address): New function.
1536 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1537 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1539 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1541 * config/crx/crx.c: Implement crx_decompose_address. Reject
1542 symbolic displacements since CRX register relative adressing
1543 mode can't handle unsigned 32-bit values as displacements.
1544 * config/crx/crx.h: Simplify definitions, remove redundant
1545 parenthesis and obsolete macros.
1546 * config/crx/crx.opt: Add new switch for debugging addresses.
1547 * config/crx/crx-protos.h: Add new declarations for above.
1549 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1552 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1555 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1557 * collect2.c (dup2): Delete.
1558 * configure.ac: Don't check for dup2.
1560 * config.in, configure: Regenerate.
1562 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1564 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1565 record with the type of its only member.
1567 2005-08-18 David Edelsohn <edelsohn@gnu.org>
1569 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1570 define_insn_and_split.
1571 (plus_ltu<mode>_compare): Same.
1572 (gtu<mode>_compare): Same.
1573 (plus_gtu<mode>_compare): Same.
1575 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1577 PR tree-optimization/22228
1578 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1580 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1581 are recorded in vect_vnames_to_rename for renaming.
1582 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1583 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1584 in vect_vnames_to_rename.
1585 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1586 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1588 2005-08-18 Jan Hubicka <jh@suse.cz>
1591 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1592 info only for local statics, not for member variables.
1594 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1596 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1598 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1600 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1602 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1605 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1607 2005-08-17 James E Wilson <wilson@specifix.com>
1609 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1612 2005-08-17 David Edelsohn <edelsohn@gnu.org>
1614 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1615 (leu<mode>_compare): Same.
1616 (plus_leu<mode>): Same.
1617 (neg_leu<mode>): Same.
1618 (and_neg_leu<mode): Same.
1619 (ltu<mode>_compare): Same.
1620 (plus_ltu<mode>): Same.
1622 (geu<mode>_compare): Same.
1623 (plus_geu<mode>): Same.
1624 (neg_geu<mode>): Same.
1625 (and_neg_geu<mode>): Same.
1626 (plus_gt<mode>): Same.
1627 (gtu<mode>_compare): Same.
1628 (plus_gtu<mode>): Same.
1630 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
1632 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1633 Move call_table_data to end. Delete spurious .text.
1634 (callt_save_all_interrupt): Fix comment typo.
1636 2005-08-17 James E Wilson <wilson@specifix.com>
1637 Kevin Winchester <winchester@amirix.com>
1640 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1642 2005-08-17 Uros Bizjak <uros@kss-loka.si>
1645 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1646 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1648 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1650 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1651 record with the type of its only member if the modes don't match.
1653 * varasm.c (decode_reg_name): Skip empty additional register names.
1655 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1657 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1658 lsm_tmp_name_length): New.
1659 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1660 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1662 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1663 Andreas Krebbel <krebbel1@de.ibm.com>
1665 * config.gcc: Added z9-109 switch.
1666 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1667 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1668 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1669 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1670 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1671 for "z9_109" cpu attribute.
1672 * config/s390/s390.c (z9_109_cost): New processor cost structure.
1673 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1674 (s390_handle_arch_option): Added z9-109 switch.
1675 (override_options): Set respective cost function for z9-109.
1676 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1677 (legitimate_reload_constant_p): Accept extended immediates.
1678 (print_operand): Three new output modifiers added: k, m and o.
1679 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1680 (s390_output_mi_thunk): Use extended immediate when possible.
1681 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1682 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1683 (CONSTRAINT_LEN): Added length of O constraint.
1684 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1685 * config/s390/s390.md ("cpu"): New value z9_109 added.
1686 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
1687 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
1688 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
1689 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
1690 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
1691 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
1692 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
1693 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
1694 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
1695 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
1696 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
1697 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
1698 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
1699 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
1700 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
1702 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
1703 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
1704 insns for TARGET_EXTIMM.
1706 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
1708 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
1710 2005-08-17 Nick Clifton <nickc@redhat.com>
1712 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
1713 Call default_encode_section_info.
1715 2005-08-17 Steven Bosscher <stevenb@suse.de>
1717 PR tree-optimization/21574
1718 * tree-ssa-ccp.c (likely_value): If the right hand side is a
1719 constant, return CONSTANT.
1720 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
1721 (ccp_fold, visit_assignment): Likewise.
1722 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
1724 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1726 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
1727 fold_buildN instead of buildN then fold_initializer or fold.
1728 (build_unary_op): Likewise.
1729 (build_binary_op): Likewise.
1730 * fold-const.c (fold_initializer): Remove.
1731 (fold_build1_initializer): New function.
1732 (fold_build2_initializer): New function.
1733 (fold_build3_initializer): New function.
1734 * tree.h (fold_initializer): Remove.
1735 (fold_build1_initializer): New function.
1736 (fold_build2_initializer): New function.
1737 (fold_build3_initializer): New function.
1739 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
1741 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
1742 (try_move_mult_to_index): Call fold_build2 instead of build2.
1743 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
1744 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
1745 fold_binary_to_constant.
1746 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
1748 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
1749 check if A == gcd (A, B). Remove TYPE argument.
1750 (analyze_offset) Use fold_build2 instead of fold (build.
1751 (create_data_ref): Likewise.
1752 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
1753 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
1756 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
1758 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
1759 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
1761 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
1764 * gimplify.c (zero_sized_type): New function.
1765 (gimplify_modify_expr_rhs): If we have a zero sized type,
1766 replace the statement with an empty statement.
1768 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
1770 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
1773 2005-08-16 Ian Lance Taylor <ian@airs.com>
1775 * doc/tm.texi (Label Output): Correct typo.
1777 2005-08-16 Steven Bosscher <stevenb@suse.de>
1780 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
1781 force_operand will work later on using have_insn_for.
1783 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1785 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
1787 2005-08-16 Ian Lance Taylor <ian@airs.com>
1790 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
1791 vector type, don't try to construct it element by element. Add an
1792 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
1794 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1796 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
1798 2005-08-16 Geoffrey Keating <geoffk@apple.com>
1800 * doc/invoke.texi (Precompiled Headers): Document some more options
1801 which are known to be safe.
1803 2005-08-16 James E Wilson <wilson@specifix.com>
1805 PR tree-optimization/21105
1806 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1807 TREE_OVERFLOW check.
1809 2005-08-16 David Edelsohn <edelsohn@gnu.org>
1811 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
1812 (neg_ltu<mode>): Same.
1814 (neg_gtu<mode>): Same.
1816 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1818 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
1819 (fold_builtin_isdigit): Use fold_buildN.
1820 (build_function_call_expr): Likewise.
1821 * c-typeck.c (c_finish_loop): Likewise.
1823 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
1824 Richard Shann <rshann@superh.com>
1826 PR middle-end/20396:
1827 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
1829 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
1831 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
1833 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
1836 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
1837 arm_compure_save_reg0_reg12_mask to determine when the PIC register
1840 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1843 * fold-const.c (build_range_check): Disable optimization for function
1844 pointer expressions on targets that require function pointer
1847 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
1849 * simplify-rtx.c (simplify_const_relational_operation): When
1850 extracting arguments of a COMPARE, recompute the mode as well.
1852 2005-08-15 Ian Lance Taylor <ian@airs.com>
1854 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
1856 2005-08-15 DJ Delorie <dj@redhat.com>
1858 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
1860 (movsi_splittable): Allow, but split, moves to the stack.
1861 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
1864 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1866 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
1867 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
1868 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
1870 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
1871 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
1872 Delete HOST_PTR_PRINTF.
1874 * configure, config.in: Regenerate.
1876 2005-08-15 David Edelsohn <edelsohn@gnu.org>
1878 * config/rs6000/rs6000.md (QHSI): New mode macro.
1879 (wd): Extend mode attr for QImode and HImode
1880 (dbits): New mode attr.
1881 (zero_extend<mode>di2): Convert to mode macro.
1883 2005-08-15 Steve Ellcey <sje@cup.hp.com>
1886 * doc/invoke.texi (-mgnu-ld): Update description.
1889 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1892 * Makefile.in (tree-chrec.o): Depends on real.h.
1893 * tree-chrec.c: Include real.h.
1894 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
1895 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
1896 * tree-scalar-evolution.c (add_to_evolution_1,
1897 interpret_rhs_modify_expr): Ditto.
1899 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
1902 * tree-data-ref.c (estimate_niter_from_size_of_data): When
1903 step is negative compute the estimation from init downwards to zero.
1905 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
1907 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
1909 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1911 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
1913 (legitimate_reload_constant_p): Fix handling of lliXX operands.
1914 Accept double-word constants that can be split.
1915 * config/s390/s390.md ("movti"): Use 'P' constraint.
1916 ("*movdi_31", "*movdf_31"): Likewise.
1918 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
1920 Fix PR tree-optimization/22615
1922 * tree-ssa-structalias.c (solution_set_add): Handle
1923 first_vi_for_offset returning NULL.
1924 (do_da_constraint): Ditto.
1925 (do_sd_constraint): Ditto.
1926 (do_ds_constraint): Ditto
1927 (find_func_aliases): Ditto.
1928 (build_constraint_graph): RHS is allowed be ANYTHING.
1929 (first_vi_for_offset): Return NULL if we couldn't find anything at
1932 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
1934 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
1935 over memory as first operand.
1937 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
1940 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
1941 available for setting it.
1943 2005-08-14 Ira Rosen <irar@il.ibm.com>
1945 PR tree-optimization/23320
1946 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
1947 data-refs' types instead of base object nullness. Add check for
1948 pointer type data-refs before first location comparison. Remove
1951 2005-08-14 Andreas Schwab <schwab@suse.de>
1953 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
1955 2005-08-13 James E Wilson <wilson@specifix.com>
1957 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
1958 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
1959 -fstack-protector-all, --param ssp-buffer-size): Document.
1960 (-Wvariadic-macros): Alphabetize.
1961 (-fsched-stalled-insns-dep): Add missing 'f'.
1963 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
1966 2005-08-13 David Edelsohn <edelsohn@gnu.org>
1968 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
1969 or indirect address operand.
1970 (EXTRA_ADDRESS_CONSTRAINT): New.
1971 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
1973 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
1975 PR tree-optimization/22236
1976 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
1977 successors and predecessors.
1978 * tree-chrec.c (chrec_convert): Before converting, check that
1979 sequences don't wrap.
1980 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
1981 (analyze_array): Extern.
1982 (find_data_references_in_loop): Remove call to
1983 compute_estimated_nb_iterations.
1984 * tree-data-ref.h (analyze_array): Declared.
1985 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
1986 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
1987 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
1988 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
1990 * tree-ssa-loop-ivcanon.c: Fix documentation.
1991 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
1992 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
1993 (infer_loop_bounds_from_undefined): New.
1994 (estimate_numbers_of_iterations_loop): Use
1995 infer_loop_bounds_from_undefined.
1996 (used_in_pointer_arithmetic_p): New.
1997 (scev_probably_wraps_p): Pass an extra parameter. Call
1998 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
1999 (convert_step): Fix documentation.
2000 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2001 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2002 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2003 scev_probably_wraps_p.
2005 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2007 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2008 (s390_register_info): Ignore clobbered_regs information for fixed
2009 registers, and only fixed registers.
2010 (s390_init_frame_layout): Remove redundant call.
2012 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2014 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2015 description of -Wold-style-casts.
2017 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2018 Jakub Jelinek <jakub@redhat.com>
2020 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2021 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2022 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2023 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2024 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2025 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2026 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2027 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2028 ("stack_protect_set", "stack_protect_test"): New expanders.
2029 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2030 "stack_protect_testdi"): New insn definitions.
2032 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2034 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2036 2005-08-12 Paul Brook <paul@codesourcery.com>
2038 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2040 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2042 * config/s390/predicates.md (setmem_operand): New predicate.
2043 (shift_count_operand): Accept ANDs with special constants as
2045 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2046 with special constants.
2047 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2048 shift_count_operand with setmem_operand.
2050 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2052 * config/s390/s390.c (s390_extract_part, s390_single_part):
2054 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2055 (s390_output_mi_thunk): Don't use lg on 31 bit.
2056 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2057 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2059 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2061 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2062 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2063 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2064 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2065 with one of the new macros.
2067 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2069 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2070 Don't set save_return_addr_p.
2071 (s390_register_info): Make clobbered_regs not depending on
2074 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2076 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2077 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2079 2005-08-11 James E. Wilson <wilson@specifix.com>
2081 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2083 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2085 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2086 locations gathered by var-tracking in single entry loc_list
2087 over loc_descriptor_from_tree.
2089 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2090 pass it down to loc_descriptor.
2091 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2092 (containing_function_has_frame_base): Move earlier in the file.
2093 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2094 instead of always assuming fbreg can't be used.
2096 2005-08-11 David Edelsohn <edelsohn@gnu.org>
2098 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2099 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2100 Accept address wrapped in AND for Altivec.
2101 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2102 Strip AND wrapping offset address for Altivec.
2104 2005-08-11 Richard Henderson <rth@redhat.com>
2107 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2108 before using TYPE_IS_SIZETYPE.
2110 2005-08-11 Richard Henderson <rth@redhat.com>
2113 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2114 insn types not present on ev4.
2115 (alphaev5_insn_pipe): Similarly.
2117 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2120 * arm.c (arm_override_options): If the user has selected callee-super-
2121 interworking, then enable normal interworking.
2123 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2125 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2128 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2130 * doc/rtl.texi: Fix two typos.
2132 2005-08-11 Richard Guenther <rguenther@suse.de>
2135 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2136 cases where we call to/from functions returning void.
2138 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
2141 * tree.c (build_pointer_type_for_mode): Robustify.
2143 2005-08-10 James E Wilson <wilson@specifix.com>
2145 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2146 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2148 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2151 2005-08-10 Eric Christopher <echristo@apple.com>
2153 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2154 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2157 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
2160 * config/darwin.c (machopic_indirect_data_reference): Use a new register
2161 for the high part when generating dynamic-no-pic code.
2163 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
2165 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2166 (x86_64-*-linux*): Likewise.
2168 * config/i386/crtfastmath.c: New file.
2169 * config/i386/t-crtfm: Likewise.
2171 * config/i386/linux.h (ENDFILE_SPEC): New.
2172 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2174 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2177 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
2179 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2180 (vec_shl, vec_shr): Document new operations.
2181 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2183 2005-08-10 David Edelsohn <edelsohn@gnu.org>
2185 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2186 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2187 change predicate to indexed_or_indirect_address.
2189 2005-08-10 Richard Sandiford <richard@codesourcery.com>
2191 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2192 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2193 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2194 and __aeabi_uwrite8.
2195 * config/arm/unaligned-funcs.c: New file.
2196 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2198 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
2200 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2202 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2203 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2205 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2206 * final.c (pass_shorten_branches): Add dump.
2207 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2208 (pass_life): Rename dump.
2209 (rest_of_handle_flow2): Remove initial verify_flow_info.
2210 * function.c (pass_instantiate_virtual_regs): Add dump.
2211 * integrate.c (pass_initial_value_sets): Add dump.
2212 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2213 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2214 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2215 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2216 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2217 gate_rtl_unrool_and_peel_loops): New.
2218 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2219 rtl_doloop): Do not look at flags.
2220 * mode-switching.c (pass_mode_switching): Add dump.
2221 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2222 pass_split_before_regstack): Add dump.
2223 * regmove.c (pass_stack_adjustments): Add dump.
2224 * tree-optimize.c (pass_fixup_cfg): Add dump.
2226 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2229 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2230 deciding which instruction sequence to use.
2232 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2234 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2235 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2237 2005-08-09 Richard Guenther <rguenther@suse.de>
2239 * c-common.c (builtin_function_2): Remove.
2240 (def_builtin_1): New function.
2241 (c_common_nodes_and_builtins): Use def_builtin_1 to
2242 build builtin functions.
2244 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2246 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2247 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2248 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2251 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2253 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2254 fold_binary instead of fold_build2 since we don't care about the
2256 (loop_niter_by_eval): Likewise.
2257 (compare_trees): Likewise.
2258 (proved_non_wrapping_p): Likewise.
2260 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2264 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2265 if the if is really empty.
2267 2005-08-09 Steven Bosscher <stevenb@suse.de>
2269 PR tree-optimization/23234
2270 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2271 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2272 argument of the new enum.
2273 (execute_cse_reciprocals): Add reciprocals for function arguments
2274 on the unique successor edge of the entry block. Update other calls
2275 to execute_cse_reciprocals_1.
2277 2005-08-08 Richard Henderson <rth@redhat.com>
2280 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2282 2005-08-08 Bob Wilson <bob.wilson@acm.org>
2284 * expr.c (write_complex_part): Return after handling MEM.
2286 2005-08-08 Josh Conner <jconner@apple.com>
2288 PR rtl-optimization/23241
2289 * combine.c (simplify_comparison): Fix error in determining
2290 whether to lift a subreg from comparison.
2292 2005-08-08 David Edelsohn <edelsohn@gnu.org>
2295 * config/rs6000/altivec.md (vec_init<mode>): New.
2296 (vec_set<mode>): New.
2297 (vec_extract<mode>): New.
2298 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2299 (rs6000_expand_vector_set): New.
2300 (rs6000_expand_vector_extract): New.
2301 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2302 for Altivec modes before reload.
2303 (altivec_expand_vec_init_builtin): New.
2304 (get_element_number): New.
2305 (altivec_expand_vec_set_builtin): New.
2306 (altivec_expand_vec_ext_builtin): New.
2307 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2309 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2311 * config/rs6000/rs6000.h (rs6000_builtins): Add
2312 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2313 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2314 * config/rs6000/rs6000-protos.h: Declare new functions.
2316 2005-08-08 Jan Hubicka <jh@suse.cz>
2318 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2319 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2320 * i386.md (movdi*): Use pic_32bit_operand.
2321 * predicates.md (pic_32bit_operand): New.
2323 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
2326 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2328 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
2330 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2331 (test_for_singularity): Use fold_build2.
2333 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2335 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2337 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
2339 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2340 (COMMON_ASM_OP) Define.
2341 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2342 (ix86_encode_section_info): Likewise.
2343 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2344 SUBTARGET_ENCODE_SECTION_INFO.
2346 2005-08-06 Richard Henderson <rth@redhat.com>
2349 * tree-nested.c (convert_local_reference): Save and restore val_only
2350 around component_ref and friends. Clear walk_subtrees by default.
2352 2005-08-06 Peter O'Gorman <peter@pogma.com>
2355 * gcc.c (process_command): Check the argument to -b has a dash.
2356 * doc/invoke.texi: Update -b and -V docs.
2358 2005-08-06 James E Wilson <wilson@specifix.com>
2360 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2362 2005-08-06 Michael Matz <matz@suse.de>
2364 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2365 member only if only one insn is associated with the value.
2367 2005-08-06 Nick Clifton <nickc@redhat.com>
2369 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2371 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2372 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2373 Check symbol flags instead of symbol name mangling.
2374 (xstormy16_asm_output_aligned_common): Likewise. Also
2375 simplify code since the bss100_section cass is the only case
2376 where the below100 code will be triggered.
2377 (xstormy16_encode_section_info): Encode below100 attribute
2378 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2380 (xstormy16_strip_name_encoding): Delete - this function is no
2382 (TARGET_STRIP_NAME_ENCODING): Undefine.
2383 * config/stormy16/stormy16-protos.h: Delete prototype for
2384 xstormy16_strip_name_encoding.
2386 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
2388 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2389 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2390 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2391 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2392 config/alpha/predicates.md, config/arc/arc.h,
2393 config/arm/arm.h, config/arm/ieee754-df.S,
2394 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2395 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2396 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2397 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2398 config/m68hc11/m68hc11.h, config/mips/mips.c,
2399 config/mips/mips.h, config/mips/openbsd.h,
2400 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2401 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2402 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2403 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2404 config/sparc/linux.h, config/sparc/linux64.h,
2405 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2406 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2407 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2408 typos. Follow spelling conventions.
2410 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2413 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2414 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2415 specially. Check for side effects only for COND_EXPR.
2416 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2417 return with TREE_NO_WARNING.
2419 2005-08-06 Richard Sandiford <richard@codesourcery.com>
2421 PR rtl-optimization/23233
2422 * loop.c (combine_movables): Require the modes to be the same.
2423 (move_movables): Remove handling of cases where the replacement
2424 had a different mode to the original.
2426 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
2428 PR tree-optimization/23128
2429 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2430 subtraction wrap, and set TREE_OVERFLOW if they do.
2432 2005-08-05 Richard Henderson <rth@redhat.com>
2435 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2436 FORCED_LABEL labels.
2438 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2441 * reload.c (find_reloads_subreg_address): Pass down TYPE
2442 unchanged. Change all callers except find_reloads_toplev.
2444 2005-08-05 Michael Matz <matz@suse.de>
2446 * genattrtab.c (current_alternative_string): Remove.
2447 (SIMPLIFY_ALTERNATIVE): Ditto.
2448 (attr_alt_bit_p): Ditto.
2449 (alternative_name): Make const char *.
2450 (evaluate_eq_attr): Remove use of above things.
2451 (simplify_test_exp): Ditto.
2452 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2453 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2455 2005-08-04 James E Wilson <wilson@specifix.com>
2457 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2458 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2459 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2460 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2461 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2463 2005-08-04 Richard Henderson <rth@redhat.com>
2466 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2467 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2468 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2469 if we'd have to instantiate too many members.
2471 2005-08-04 Richard Henderson <rth@redhat.com>
2474 * tree-outof-ssa.c (coalesce_asm_operands): New.
2475 (coalesce_ssa_name): Use it. Split out ...
2476 (coalesce_phi_operands, coalesce_result_decls): ... these.
2478 2005-08-04 Paul Brook <paul@codesourcery.com>
2480 * read-rtl.c (read_quoted_string): Break if EOF.
2482 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2484 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2485 (fold_build2): Likewise.
2486 (fold_build3): Likewise.
2487 (fold_build1_stat): New function prototype.
2488 (fold_build2_stat): Likewise.
2489 (fold_build3_stat): Likewise.
2490 * fold-const.c (fold_build1): Rename to ..
2491 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2492 through to build1_stat.
2493 (fold_build2): Rename to ..
2494 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2495 through to build2_stat.
2496 (fold_build3): Rename to ..
2497 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2498 through to build3_stat.
2500 2005-08-04 David Edelsohn <edelsohn@gnu.org>
2501 Ian Lance Taylor <ian@airs.com>
2503 * function.c (assign_stack_local_1): Do not correct stack slot
2504 address if allocation size is smaller than mode size.
2506 2005-08-04 Diego Novillo <dnovillo@redhat.com>
2509 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2510 (tree_merge_blocks): Propagate anything allowed by
2512 Clarify documentation.
2513 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2514 SSA form, schedule an update if necessary.
2516 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2518 * doc/install.texi (Binaries): Remove broken link to
2519 Sinix/Reliant Unix binaries.
2521 2005-08-03 Richard Henderson <rth@redhat.com>
2524 * function.c (stack_protect_epilogue): Export.
2525 * tree.h (stack_protect_epilogue): Declare.
2526 * calls.c (expand_call): Call it.
2528 2005-08-03 Eric Christopher <echristo@apple.com>
2530 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2531 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2534 2005-08-04 Jan Hubicka <jh@suse.cz>
2536 * profile.c (branch_prob): Split edges with goto locus on them
2537 to get proper line counts.
2538 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2540 2005-08-03 Paul Brook <paul@codesourcery.com>
2542 * function.c (assign_parms): Round current_function_args_size
2543 to PARM_BOUNDARY, not STACK_BOUNDARY.
2545 2005-08-03 Geoffrey Keating <geoffk@apple.com>
2547 * config/i386/i386.c (x86_elf_aligned_common)
2548 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2550 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2552 PR tree-optimization/23157
2553 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2554 before emitting them.
2556 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2558 PR tree-optimization/19899
2559 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2560 * tree-scalar-evolution.c: Include real.h.
2561 (add_to_evolution): Build constant -1 of correct type.
2563 2005-08-03 Jan Hubicka <jh@suse.cz>
2565 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2566 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2567 profile updating for complette unrolling.
2568 * loop-unroll.c (peel_loop_completely): Use it.
2569 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2570 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2573 2005-08-03 Paul Brook <paul@codesourcery.com>
2575 * combine.c (can_change_dest_mode): New function.
2576 (try_combine, simplify_set): Use it.
2578 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2580 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2583 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2585 * doc/install.texi (Specific): Adjust link to openavr.org.
2586 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2587 (Binaries): Adjust HP-UX Porting Center link.
2588 (Binaries): Adjust Free Software Foundation ordering link.
2590 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2592 * convert.c (convert_to_integer): Use fold_build1 instead of
2593 build1 when converting an integer to an integer.
2595 2005-08-02 Richard Henderson <rth@redhat.com>
2597 * combine.c (combine_instructions): Don't use reg_equal/equiv
2598 results if the mode doesn't match.
2600 2005-08-02 Mark Mitchell <mark@codesourcery.com>
2602 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2603 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2605 2005-08-02 Richard Henderson <rth@redhat.com>
2608 * explow.c (memory_address): Remove special-case for
2609 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2611 2005-08-02 Diego Novillo <dnovillo@redhat.com>
2614 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2615 number of calls to cleanup_tree_cfg_1.
2617 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2619 * doc/invoke.texi: document file extensions .F90 and .F95
2621 2005-08-02 Richard Guenther <rguenther@suse.de>
2623 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2624 positive if its first argument is positive.
2626 2005-08-02 Richard Guenther <rguenther@suse.de>
2628 PR tree-optimization/23177
2629 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2632 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
2634 PR tree-optimization/23129
2635 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2636 varying for divisions with anti-ranges.
2638 2005-08-02 Jan Hubicka <jh@suse.cz>
2640 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2641 * tree-ssa-threadupdate.c (thread_block): Add it here.
2643 2005-08-01 James E Wilson <wilson@specifix.com>
2645 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2646 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2647 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2649 * config/mips/predicates.md (const_call_insn_operand): Add check for
2650 SYMBOL_REF_LONG_CALL_P.
2651 * doc/extend.texi (long_call): Document the new attribute.
2653 2005-08-01 Ian Lance Taylor <ian@airs.com>
2654 Richard Henderson <rth@redhat.com>
2656 * Makefile.in (RTL_BASE_H): Add real.h.
2657 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2659 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2661 * rtl.c (rtl_check_failed_code_mode): New.
2662 * rtl.h (struct rtx_def): Add u.rv.
2663 (XCMWINT, XCNMPRV): New.
2664 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2665 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2667 2005-08-01 Richard Henderson <rth@redhat.com>
2669 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2670 with auto-inc codes.
2672 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2674 2005-08-01 Jan Hubicka <jh@suse.cz>
2676 * i386-protos.h (asm_preferred_eh_data_format): Declare.
2677 * i386.c: Include dwarf2.h
2678 (asm_preferred_eh_data_format): New.
2679 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2681 2005-08-01 Ian Lance Taylor <ian@airs.com>
2683 * config/host-linux.c (linux_gt_pch_get_address): Add new name
2684 randomize_va_space for virtual address randomization control.
2686 2005-08-01 Steven Bosscher <stevenb@suse.de>
2688 * common.opt (flag_ipa_cp): Put in right place to maintain
2691 2005-08-01 Jan Hubicka <jh@suse.cz>
2693 * profile.c (compute_value_histograms): Fix thinko.
2694 * value-prof.c: Include toplev.h
2695 (check_counter): New function.
2696 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
2697 tree_mod_subtract_transform): Add sanity check.
2699 2005-08-01 Richard Guenther <rguenther@suse.de>
2701 PR tree-optimization/23133
2702 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
2703 current functions parameter decls to find defs to cse
2706 2005-08-01 Richard Guenther <rguenther@suse.de>
2708 PR tree-optimization/23109
2709 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
2710 If trapping math is in effect, use post-dominator information
2711 to check if we'd in any case reach a trapping point before
2712 doing the reciprocal insertion.
2713 (execute_cse_reciprocals): Compute post-dominators, if necessary.
2714 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
2715 expressions are invariant only if trapping math is not in effect.
2717 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2719 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
2720 cgraph_function_versioning): New declarations.
2721 * cgraphunit.c: Add include to ipa-prop.h.
2722 (update_call_expr, cgraph_copy_node_for_versioning,
2723 cgraph_function_versioning): New functions.
2724 * integrate.c (copy_decl_for_inlining): Remove.
2725 * ipa-prop.h (ipa_replace_map): New struct.
2726 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
2727 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
2728 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
2729 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
2730 ipcp_iterate_stage, ipcp_method_scale_print,
2731 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
2732 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
2733 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
2734 ipcp_update_bb_counts, ipcp_update_profiling,
2735 ipcp_update_edges_counts): New functions.
2736 (ipcp_method_cval_init): Remove restriction regarding local methods.
2737 (ipcp_init_stage): Add ipcp_method_compute_scale.
2738 (ipcp_insert_stage): Add versioning.
2739 (ipcp_structures_print): Add ipcp_method_scale_print.
2740 (ipcp_driver): Dump profiling info.
2741 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
2742 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
2743 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
2744 (struct inline_data): Add versioning_p, ipa_info, new fields.
2745 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
2746 declare_return_variable): Replace calls to copy_decl_for_inlining with
2748 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
2750 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
2751 Add argument VERSIONING.
2752 (copy_arguments_for_versioning, copy_static_chain,
2753 function_versionable_p, tree_versionable_function_p,
2754 tree_function_versioning, replace_ref_tree): New functions.
2755 * tree-inline.h: Include varray.h.
2756 (tree_versionable_function_p, tree_function_versioning,
2757 tree copy_decl_for_dup): New declarations.
2759 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
2761 * ipa-cp.c: New file. Contains IPCP specific functionality.
2762 * ipa-prop.h: New file. Contains structures/definitions that can be
2763 used by several interprocedural data flow optimizations (and also IPCP).
2764 * ipa-prop.c: New file.
2765 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
2766 * common.opt: Add ipa-cp flag.
2767 * timevar.def: Add IPCP optimization.
2768 * tree-optimize.c (init_tree_optimization_passes): Schedule
2770 * tree-pass.h (pass_ipa_cp): Declare.
2772 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
2774 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
2775 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
2776 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
2777 config/i386/i386.c, config/mips/mips.h,
2778 config/rs6000/rs6000.h, config/sh/sh.c,
2779 config/stormy16/stormy16.c: Fix comment typos.
2781 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
2784 * c-typeck.c (build_binary_op): Use common_type wrapper on
2786 (common_type): Update comment.
2788 2005-07-31 Steven Bosscher <stevenb@suse.de>
2791 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
2792 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
2793 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
2795 2005-07-31 Jan Hubicka <jh@suse.cz>
2797 * pretty-print.h (pp_widest_integer): New macro.
2798 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
2801 2005-07-31 Jan Hubicka <jh@suse.cz>
2803 * output.h (enum section_category): Export from varasm.c
2804 (categorize_decl_for_section): Likewise.
2805 * varasm.c (enum section_category): Kill.
2806 (categorize_decl_for_section): Make global.
2807 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
2809 * i386.c (ix86_section_threshold): New static variable.
2810 (ix86_in_large_data_p, ix86_encode_section_info,
2811 x86_64_elf_unique_section,
2812 x86_64_elf_select_section): New functions.
2813 (TARGET_ENCODE_SECTION_INFO): Define
2814 (override_options): Enable medium model for PIC.
2815 (ix86_expand_prologue): Expand gen_set_got_rex64.
2816 (legitimate_constant_p): Handle new UNSPECs.
2817 (legitimate_pic_address_disp_p): Likewise.
2818 (legitimize_pic_address): Lower MEDIUM model addressing.
2819 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
2820 (enum cmodel): Add MEDIUM_PIC.
2821 (SYMBOL_REF_FAR_ADDR_P): New macro.
2822 (SYMBOL_FLAG_FAR_ADDR): New flag.
2823 * i386.md (movdi): Support medium model.
2824 (set_got_rex64): New pattern.
2825 * i386.opt (mlarge-data-threshold): New flag.
2826 * predicates.md (zext_operand/sext_operand): Deal with medium model.
2827 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
2828 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
2829 TARGET_ASM_UNIQUE_SECTION): New.
2831 * invoke.texi (-mlarge_data_threshold): Document
2833 2005-07-31 Jan Hubicka <jh@suse.cz>
2835 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
2836 (coalesce_vars): Likewise.
2837 * tree-ssa-live.c (coalesce_cost): New.
2838 (build_tree_conflict_graph): Use coalesce_cost.
2839 * tree-ssa-live.h (coalesce_cost): Declare.
2841 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
2843 * arm.md (all peepholes for post-increment operations): Delete.
2844 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
2845 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
2846 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
2847 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
2848 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
2850 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
2852 * fold-const.c (tree_expr_nonnegative_p): Always return true for
2855 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
2858 * doc/invoke.texi: Document -rdynamic.
2860 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
2863 * c-parser.c (c_parser_parms_list_declarator): Call
2864 mark_forward_parm_decls.
2865 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
2866 decls with visibility structure.
2868 2005-07-30 Paul Brook <paul@codesourcery.com>
2870 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
2872 2005-07-30 Paul Brook <paul@codesourcery.com>
2874 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
2876 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
2878 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
2880 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2883 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
2884 nested function declarators.
2885 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
2886 (grokparms): Call warn_if_shadowing for parameters used within the
2888 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
2889 not used within the parameter list.
2890 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
2892 2005-07-30 Jan Hubicka <jh@suse.cz>
2894 * expr.c (expand_expr_real_1): Do not load mem targets into register.
2895 * i386.c (ix86_fixup_binary_operands): Likewise.
2896 (ix86_expand_unary_operator): Likewise.
2897 (ix86_expand_fp_absneg_operator): Likewise.
2898 * optabs.c (expand_vec_cond_expr): Validate dest.
2900 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2903 * real.c (real_from_string): Also set last bit if there is a
2904 nonzero hex digit beyond GCC's internal precision after ".".
2906 2005-07-29 David Edelsohn <edelsohn@gnu.org>
2908 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
2909 define_constants. Change duplicate values to unassigned numbers.
2910 Change UNSPEC_SUBS to UNSPEC_VSUBS.
2911 (*altivec_vspltsf): New.
2912 (altivec_vperm_v4sf): Delete.
2913 (altivec_vperm_<mode>): Use mode macro V.
2914 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
2915 (altivec_predicate_v4sf): Delete.
2916 (altivec_predicate_<mode>): Use mode macro V.
2917 (*altivec_lvesfx): New.
2918 (*altivec_stvesfx): New.
2919 (vec_realign_load_v4sf): Delete.
2920 (vec_realign_load_<mode>): Use mode macro V.
2921 * config/rs6000/rs6000.c (generate_set_vrsave): Use
2924 2005-07-29 Mark Mitchell <mark@codesourcery.com>
2927 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
2929 * configure: Regenerated.
2931 2005-07-29 Paul Brook <paul@codesourcery.com>
2933 * doc/install.texi: Add link to GFortran binaries wiki page.
2935 2005-07-29 David Ung <davidu@mips.com>
2937 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
2938 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
2939 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
2940 * config/mips/mips.md (cpu): Add 5kf name.
2941 (includes): Includes 5k.md.
2942 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
2943 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
2946 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2949 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
2950 (cleanup_tree_cfg): ... here.
2951 Call cleanup_tree_cfg_1 until there are no more cleanups to
2954 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
2956 * tree-vrp.c (compare_range_with_value): Return true or false
2957 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
2958 EQ_EXPR respectively.
2960 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
2962 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
2965 2005-07-29 Diego Novillo <dnovillo@redhat.com>
2967 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
2968 (tree_ssa_dominator_optimize): Increment it.
2969 (dump_dominator_optimization_stats): Print it.
2971 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
2972 Steven Bosscher <stevenb@suse.de>
2974 PR rtl-optimization/23117
2975 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
2976 when head == tail. Tidy comment.
2978 2005-07-28 Richard Henderson <rth@redhat.com>
2980 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
2981 * cselib.c (rtx_equal_for_cselib_p): Likewise.
2982 * jump.c (rtx_renumbered_equal_p): Likewise.
2983 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
2984 CONST_INT and CONST_DOUBLE.
2985 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
2986 * reload.c (operands_match_p): Special case CONST_INT and
2987 CONST_DOUBLE; check mode earlier.
2989 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2992 * c-typeck.c (convert_for_assignment): Do not check
2993 DECL_IN_SYSTEM_HEADER on NULL fundecl.
2995 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
2998 * c-typeck.c (composite_type): Prefer constant size arrays to
3001 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3004 * real.c (real_from_string): Set last bit if there is a nonzero
3005 hex digit beyond GCC's internal precision.
3007 2005-07-28 Richard Henderson <rth@redhat.com>
3010 * cfgcleanup.c (try_forward_edges): Watch out for end of
3013 2005-07-28 James E Wilson <wilson@specifixinc.com>
3016 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3018 2005-07-28 Jan Hubicka <jh@suse.cz>
3020 * Makefile.in (rtl-profile.o): Kill all traces of it.
3021 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3022 * coverage.h (rtl_coverage_counter_ref): Kill.
3023 * opts.c (flag_speculative_prefetching_set): Kill.
3024 (flag_loop_optimize_set): New.
3025 (common_handle_option): Disable loop optimizer when profiling;
3026 do not handle speculative prefetching.
3027 * passes.c (init_optimization_passes): Replace pass_profiling combo
3028 by branch_prob pass.
3029 * profile.c (compute_value_histograms): Update for simplified value
3031 (rtl_register_profile_hooks): Kill.
3032 (pass_profiling): Kill.
3033 (rest_of_handle_branch_prob): Do not profile.
3034 * toplev.c (process_options): Remove speculative prefetching.
3035 * toplev.h (flag_tree_based_profiling): Kill.
3036 * tree-profile.c (prepare_instrumented_value,
3037 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3038 tree_gen_one_value_profiler, do_tree_profiling): Update for
3039 simplified datastructures.
3040 * value-prof.c: Add comment that speculative prefetching was dropped;
3041 update rest of file for simplified datastructures.
3042 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3043 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3044 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3045 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3046 rtl_mod_subtract, gen_speculative_prefetch,
3047 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3048 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3049 (gate_handle_value_profile_transformations,
3050 rest_of_handle_value_profile_transformations,
3051 pass_value_profile_transformations): Kill.
3052 * value-prof.h (histogram_value_t): Remove IL based unions.
3053 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3054 rtl_profile_hooks): Remove hooks.
3056 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3058 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3059 (cgraph_clone_node): Likewise.
3060 * cgraph.h (cgraph_clone_edge): Update prototype.
3061 (cgraph_clone_node): Likewise.
3062 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3064 (lookup_recursive_calls): Consider profile.
3065 (cgraph_decide_recursive_inlining): Fix updating; use new
3066 probability argument; use profile.
3067 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3068 * tree-inline.c (copy_bb): Update clal of clone_edge.
3069 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3071 * invoke.texi (min-inline-recursive-probability): Document.
3073 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3075 * doc/install.texi (Configuration): Update Valgrind homepage.
3077 2005-07-28 Richard Henderson <rth@redhat.com>
3080 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3081 labels we want to delete.
3082 (cfg_layout_merge_blocks): Likewise.
3084 2005-07-28 Richard Henderson <rth@redhat.com>
3087 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3088 when expanding to nothing.
3090 2005-07-28 Josh Conner <jconner@apple.com>
3092 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3093 (cgraph_decide_inlining_of_small_functions): Likewise.
3095 2005-07-28 Josh Conner <jconner@apple.com>
3097 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3098 direction of badness if negative.
3099 (cgraph_default_inline_p): Add reason to parameters, and assign it
3101 (cgraph_decide_inlining_of_small_functions): New parameter in call
3102 to cgraph_default_inline_p.
3103 (cgraph_decide_inlining_incrementally): Likewise.
3104 * cgraphunit.c (decide_is_function_needed): Likewise.
3105 * cgraph.h (cgraph_default_inline_p): Likewise.
3107 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3109 * builtins.c: Fix comment typo(s).
3110 * genautomata.c: Likewise.
3111 * gimplify.c: Likewise.
3112 * tree-dfa.c: Likewise.
3113 * tree-flow-inline.h: Likewise.
3114 * tree-into-ssa.c: Likewise.
3115 * tree-ssa-alias.c: Likewise.
3116 * tree-ssa-ccp.c: Likewise.
3117 * tree-ssa-copy.c: Likewise.
3118 * tree-ssa-dce.c: Likewise.
3119 * tree-ssa-dom.c: Likewise.
3120 * tree-ssa-operands.c: Likewise.
3121 * tree-tailcall.c: Likewise.
3122 * tree-vectorizer.c: Likewise.
3123 * tree-vrp.c: Likewise.
3126 2005-07-28 Jeff Law <law@redhat.com>
3128 * tree-vrp.c (test_for_singularity): Extracted from ...
3129 (simplify_cond_using_ranges): Attempt to simplify a relational
3130 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
3132 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
3134 PR tree-optimization/22506
3135 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3136 phis whose argument is constant.
3138 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
3140 PR rtl-optimization/18992
3141 Back out this patch:
3142 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3143 PR optimization/12142
3144 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3145 uses of the register in the SET_SRC. Remove unnecessary argument.
3147 Replace it with this:
3148 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3149 if flag_non_call_exceptions is set and the insn may trap, pass
3150 pc_rtx as dest for recursion.
3151 In SET_SRC part of SET case, if dest is already set, pass it down
3154 2005-07-28 Jan Hubicka <jh@suse.cz>
3156 * cfg.c (update_bb_profile_for_threading): Use RDIV.
3157 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3158 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3160 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3161 profile when available.
3163 2005-07-28 Jan Beulich <jbeulich@novell.com>
3165 * config/ia64/ia64.c (ia64_load_pair_ok): New.
3166 (ia64_print_operand): Describe and handle 'X'.
3167 (ia64_register_move_cost): Also handle FP_REGS.
3168 (ia64_preferred_reload_class): Likewise.
3169 (ia64_secondary_reload_class): Likewise.
3170 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3171 it. Also check for ITANIUM_CLASS_FLDP.
3172 * config/ia64/ia64.h (FP_REGNO_P): New.
3173 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3174 (reg_class): Add FP_REGS.
3175 (REG_CLASS_NAMES): Adjust for it.
3176 (REG_CLASS_CONTENTS): Likewise.
3177 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3178 (REG_CLASS_FROM_LETTER): Handle 'x'.
3179 (CLASS_MAX_NREGS): Handle FP_REGS.
3180 (MEMORY_MOVE_COST): Likewise.
3181 * config/ia64/ia64.md (itanium_class): Add fldp.
3182 (type): Handle fldp.
3183 (movti_internal): More allowable operand combinations. Use ldfp8 when
3184 splitting unnecessary. Remove predicable attribute. Adjust
3185 itanium_class attribute.
3186 (smuldi3_highpart): Remove outdated comment.
3187 (mulditi3, umulditi3, rotlti3): New expanders.
3188 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3189 (absti2): Disabled new insn for future reference.
3190 Respective new splitters.
3191 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3192 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3193 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3195 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
3197 PR rtl-optimization/23047
3198 * simplify-rtx.c (simplify_const_relational_operation): Respect
3199 flag_wrapv for comparisons with ABS.
3201 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
3203 PR tree-optimization/22493
3204 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3205 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3207 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
3209 * config/frv/frv.opt (moptimize-membar): New.
3211 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3213 * config/frv/frv.h: Remove machine_function definition.
3215 * config/frv/frv.c (struct frv_io): New.
3216 (struct machine_function): Moved from frv.h. Add has_membar_p.
3217 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3218 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3219 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3220 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3221 (frv_reorg): Call frv_optimize_membar when appropriate.
3222 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3223 (frv_expand_builtin): Adjust calls accordingly.
3224 (frv_io_address_cookie): New function.
3225 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3226 load or store rather than a special insn. Add ccnstant address and
3227 io-type operands to the membar.
3228 (frv_ifcvt_modify_tests): Unsign regno.
3229 (frv_ifcvt_modify_tests): Same.
3231 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3232 UNSPEC_OPTIONAL_MEMBAR constant.
3233 (builtin_read_<mode>): Delete.
3234 (builtin_write_<mode>): Delete.
3235 ("optional_membar_<mode>"): Add operand.
3237 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3238 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3239 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3240 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3241 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3242 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3243 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3244 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3245 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3247 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3249 * df.c (df_uses_record): Handle SCRATCH.
3251 2005-07-28 Steven Bosscher <stevenb@suse.de>
3254 * passes.c (rest_of_decl_compilation): If decl is a type and
3255 we have encountered errors, don't emit debug information.
3257 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3259 * params.def: Fixed comment.
3261 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3264 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3265 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3266 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3268 2005-07-27 Steven Bosscher <stevenb@suse.de>
3271 * varasm.c (assemble_start_function): Don't do anything that may
3272 require a CFG if the current function is a thunk.
3274 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3276 * doc/install.texi (Prerequisites): Mention that perl is needed
3277 to do export control in libstdc++ targetting Darwin.
3279 2005-07-27 Steven Bosscher <stevenb@suse.de>
3281 PR rtl-optimization/17808
3282 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3283 (sched_insns_conditions_mutex_p): Split out from...
3284 (add_dependence): ...here. But don't call it from here.
3285 (add_dependence_list): Check sched_insns_conditions_mutex_p
3286 before calling add_dependence.
3287 (add_dependence_list_and_free): Likewise.
3288 (fixup_sched_groups): Likewise.
3289 (sched_analyze_1): Likewise.
3290 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3291 (sched_analyze): Likewise.
3292 (sched_analyze_insn): Likewise.
3293 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3294 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3295 dependencies on all COND_EXEC insns to jumps ending basic blocks
3296 when doing intrablock scheduling.
3297 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3299 2005-07-27 Jeff Law <law@redhat.com>
3301 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3302 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
3303 equivalency sets, correctly handle the case were vr0 has an
3304 equivalency set, but vr1 does not.
3306 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
3308 PR tree-optimization/23073
3309 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3310 vect_print_dump_info before fprintf.
3312 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3314 PR tree-optimize/22348
3315 * tree-ssa-loop-niter.c (number_of_iterations_cond):
3316 Fold the partial computation.
3318 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3320 PR tree-optimization/22325
3321 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3323 * tree-scalar-evolution.c (scev_const_prop): Add generic final
3325 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3326 (force_var_cost): ... this function.
3327 (compute_phi_arg_on_exit): Export.
3329 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3331 PR tree-optimization/20773
3332 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3335 2005-07-27 Richard Guenther <rguenther@suse.de>
3337 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3338 Avoid pushing again if current struct contains only
3339 fields we decomposed.
3341 2005-07-27 Jan Hubicka <jh@suse.cz>
3343 PR tree-optimization/22574
3344 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3347 * tree-tailcall.c (decrease_profile): New function.
3348 (eliminate_tail_call): Use it.
3350 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3351 visibility flags correctly in whole program mode.
3353 2005-07-26 Steve Ellcey <sje@cup.hp.com>
3355 PR rtl-optimization/22472
3356 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3358 2005-07-26 Steven Bosscher <stevenb@suse.de>
3360 PR tree-optimization/22504
3361 * tree-complex.c (expand_complex_addition): Use 'code' instead
3362 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3364 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3366 * config.gcc (cpu_type): Add frv case.
3367 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3368 (supported_defaults): Add fr550 case.
3370 2005-07-26 Diego Novillo <dnovillo@redhat.com>
3373 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3374 whether a pointer of type T * may point to objects of type T *.
3376 2005-07-26 DJ Delorie <dj@redhat.com>
3378 * configure: Regenerate.
3380 2005-07-26 Dale Johannesen <dalej@apple.com>
3382 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
3384 2005-07-26 Mark Mitchell <mark@codesourcery.com>
3386 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3387 Clarify use of "build" in name.
3389 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3391 * doc/extend.texi (Raw read/write Functions): New section.
3392 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3393 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3394 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3395 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3396 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3397 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3398 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3399 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3400 * config/frv/frv.c: Add bdesc_loads global.
3401 Add bdesc_stores global.
3402 (frv_init_builtins): Add support for __builtin_{read/write}*.
3403 (frv_volatile_memref): New.
3404 (frv_expand_load_builtin): New.
3405 (frv_expand_store_builtin): New.
3406 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3407 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3408 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3409 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3410 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3411 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3412 (builtin_read_<mode>): New.
3413 (builtin_write_<mode>): New.
3414 (builtin_write64): New.
3415 (optional_membar_<mode>): New.
3417 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
3419 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3420 (rather than units) against HOST_BITS_PER_WIDE_INT.
3422 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
3424 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3425 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3426 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3427 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3430 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3431 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3432 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3434 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3436 2005-07-26 Richard Guenther <rguenther@suse.de>
3438 PR tree-optimization/22486
3439 * fold-const.c (fold_unary): Fold away useless component
3440 references of the form (T *)&T.x, if the address
3443 2005-07-25 James E Wilson <wilson@specifixinc.com>
3445 * dwarf2out.c (add_call_src_coords_attributes): New.
3446 (gen_inlined_subroutine_die): Call it.
3447 (maybe_emit_file, init_file_table): Add comments.
3448 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3450 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3451 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3452 * tree.h (BLOCK_SOURCE_LOCATION): New.
3453 (struct tree_block): New field locus.
3455 2005-07-26 Andreas Schwab <schwab@suse.de>
3457 PR rtl-optimization/23043
3458 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3459 when allocating a struct unoccr.
3461 2005-07-25 Richard Henderson <rth@redhat.com>
3464 * tree-complex.c (gate_no_optimization): True if errors.
3465 * Makefile.in (tree-complex.o): Update dependencies.
3467 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
3469 * config/frv/predicates.md (integer_register_operand): Use
3472 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3475 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3477 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3479 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3481 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3482 types when flag_unsafe_math_optimizations is true.
3484 2005-07-25 Mark Mitchell <mark@codesourcery.com>
3486 * gcc.c (option_map): Add --sysroot.
3487 (process_command): Handle --sysroot.
3488 (display_help): Document it.
3489 * doc/cppopts.tex (-isysroot): Document.
3490 * doc/invoke.texi (--sysroot): Document.
3491 * doc/install.texi (--with-build-sysroot): Document.
3493 * Makefile.in (inhibit_libc): New variable.
3494 (INHIBIT_LIBC_CFLAGS): Likewise.
3495 (LIBGCC2_CFLAGS): Include
3496 $(INHIBIT_LIBC_CFLAGS).
3497 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3498 ($(T)crtbegin.o): Do not use @inhibit_libc@.
3499 ($(T)crtend.o): Likewise.
3500 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3501 ($(T)crtendS.o): Likewise.
3502 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3503 ($(T)crtendT.o): Likewise.
3504 (stmp-fixinc): Do not complain about missing headers if
3506 * configure.ac (inhibit_libc): Set it to true/false.
3507 (--with-build-sysroot): New option. Use it to set
3509 * configure: Regenerated.
3511 2005-07-25 Manfred Hollstein <mh@suse.com>
3513 * calls.c (store_one_arg): Fix unsigned comparison warning.
3515 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3518 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3519 (ggc_print_statistics): Initialize variable before use.
3521 2005-07-25 Richard Guenther <rguenther@suse.de>
3523 * tree-dfa.c (mark_new_vars_to_rename): Protect against
3524 calling with a PHI_NODE argument.
3526 * tree-flow-inline.h (overlap_subvar): Protect against
3529 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
3531 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3532 * configure: Regenerate.
3534 2005-07-25 Ira Rosen <irar@il.ibm.com>
3536 * expr.c (highest_pow2_factor): Make extern.
3537 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3538 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3539 record_array_differ_p, array_ptr_differ_p): Likewise.
3540 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3541 additional cases. Call the above functions.
3542 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3543 base_object_differ_p when there are two base objects. Otherwise, compare
3544 base address and offset. Call may_alias_p.
3545 (dump_data_reference): Use a correct field name.
3546 (analyze_array): Make static. Initialize new data-ref fields.
3547 (analyze_indirect_ref): New function.
3548 (init_data_ref): Initialize new data-ref fields.
3549 (strip_conversion): Moved from tree-vect-analyze.c.
3550 (analyze_offset_expr, get_ptr_offset, address_analysis,
3551 object_analysis): Likewise.
3552 (analyze_offset): New function.
3553 (create_data_ref): Likewise.
3554 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3555 dimensions for ARRAY_REFs only.
3556 (build_classic_dist_vector): Make static.
3557 (access_functions_are_affine_or_constant_p): Call macro to get the
3558 address of access functions.
3559 (compute_all_dependences): Add new parameter
3560 compute_self_and_read_read_dependences. Compute self and read-read
3561 dependences if it is true.
3562 (find_data_references_in_loop): Call create_data_ref. Initialize new
3564 (compute_data_dependences_for_loop): Add new parameter
3565 compute_self_and_read_read_dependences. Remove parameter nb_loops,
3566 compute nb_loops. Call compute_all_dependences,
3567 build_classic_dist_vector and build_classic_dir_vector with correct
3569 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3570 with correct parameters. Compare dimensions for ARRAY_REFs only.
3571 (free_data_refs): Call macro to free access functions.
3572 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3573 fields from stmt_vinfo.
3574 (struct base_object_info): New structure.
3575 (struct data_reference): Move fields to base_object_info. Add fields
3576 first_location and object_info for above structures. Move fields from
3577 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3578 aligned_to. Add macros to access the new fields.
3579 Update functions declarations.
3580 * tree-flow.h (is_aliased_with): Declare.
3581 * tree-loop-linear.c (linear_transform_loops): Call
3582 compute_data_dependences_for_loop with correct parameters.
3583 * tree-ssa-alias.c (is_aliased_with): New function.
3584 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3585 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3586 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3587 vect_base_addr_differ_p, compute_subscript_distance and
3588 build_classic_dist_vector. Add printings. Check absolute value of
3590 (vect_analyze_data_ref_dependences): Go through ddrs instead of
3592 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3593 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3594 to bytes. Add printing.
3595 (vect_compute_data_refs_alignment): Go through loads and stores in one
3597 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3598 vect_analyze_data_ref_access): Likewise.
3599 (vect_analyze_pointer_ref_access): Remove.
3600 (vect_address_analysis, vect_object_analysis): Likewise.
3601 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3602 and analyze data-refs in the loop.
3603 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3604 fields of data-ref instead of stmt. Add init to the offset from the
3606 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3607 (vect_update_init_of_dr): Likewise.
3608 (vect_update_inits_of_drs): Go through loads and stores in one loop.
3609 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3611 (new_loop_vec_info): Initialize new fields.
3612 (destroy_loop_vec_info): Free new fields.
3613 (vect_strip_conversion): Remove.
3614 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3615 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3616 datarefs. Add new field ddrs.
3617 Add macros for the new fields access.
3618 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3619 base_aligned_p, misalignment, memtag, ptr_info and subvars.
3620 Remove their macros.
3621 * tree.h (highest_pow2_factor): Declare.
3623 2005-07-25 Jakub Jelinek <jakub@redhat.com>
3625 * calls.c (store_one_arg): Check for sibling call MEM arguments
3626 from already clobbered incoming argument area.
3628 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3630 * c-common.c (check_missing_format_attribute): New.
3631 * c-common.h (check_missing_format_attribute): Likewise.
3632 * c-typeck.c (convert_for_assignment): Use it.
3634 2005-07-24 Andreas Schwab <schwab@suse.de>
3636 * config/m68k/m68k.md ("extendqidi2"): When source is an address
3637 register use a word move. Correct operand of ext.w in 68000 code.
3639 2005-07-23 Mark Mitchell <mark@codesourcery.com>
3641 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3642 variables as declarations, rather than definitions.
3644 2005-07-24 Ira Rosen <irar@il.ibm.com>
3646 PR tree-optimization/22526
3647 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3650 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3652 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3653 that C99 reserve for future use. Use it to define clog10,
3654 clog10f and clog10l.
3656 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3658 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3659 * configure.ac: Check for -Wmissing-format-attribute.
3661 * configure: Regenerate.
3663 2005-07-23 Richard Henderson <rth@redhat.com>
3665 PR tree-optimization/22623
3666 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3668 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
3671 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3673 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3675 * Makefile.in (C_TREE_H): Update dependencies.
3676 * c-tree.h: Include toplev.h.
3677 * diagnostic.h (diagnostic_set_info): Add format attribute.
3678 * rtl-error.c (diagnostic_for_asm): Likewise.
3680 2005-07-23 Chao-ying Fu <fu@mips.com>
3682 * config/mips/mips-dsp.md: New file.
3683 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3684 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3686 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
3687 MIPS_BUILTIN_BPOSGE32.
3688 (mips_expand_builtin_direct): Add one parameter to indicate that
3689 builtin functions need to return a value.
3690 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
3692 (mips_regno_to_class): Add classes for 12 new DSP registers.
3693 (mips_subword): Change to check four HI registers.
3694 (mips_output_move): Output move to and from 6 new DSP accumulators.
3695 (override_options): Make sure -mdsp and -mips16 are not used together.
3696 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
3698 (mips_conditional_register_usage): Disable 6 new DSP accumulators
3700 (print_operand): Add 'q' for printing DSP accumulators.
3701 (mips_cannot_change_mode_class): Check ACC_REGS.
3702 (mips_secondary_reload_class): Check ACC_REGS.
3703 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
3704 (mips_register_move_cost): Check ACC_REGS.
3705 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
3706 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
3707 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
3708 (dsp_bdesc): New array.
3709 (bdesc_arrays): Add DSP builtin function table.
3710 (mips_prepare_builtin_arg): Check predicate again after
3712 (mips_expand_builtin): Add one more parameter to
3713 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
3714 MIPS_BUILTIN_BPOSGE32.
3715 (mips_init_builtins): Initialize new function types.
3716 (mips_expand_builtin_direct): Check if builtin functions need to
3717 return a value and pass operands properly.
3718 (mips_expand_builtin_bposge): New function.
3719 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
3720 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
3721 (FIRST_PSEUDO_REGISTER): Increase to 188.
3722 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
3723 Update for 12 new DSP registers.
3724 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
3725 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
3726 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
3727 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
3728 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
3729 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
3730 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
3731 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
3732 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
3733 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
3734 (REGISTER_NAMES): Add names for 12 new DSP registers.
3735 * config/mips/mips.md: Include mips-dsp.md.
3736 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
3737 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
3738 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
3739 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
3740 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
3741 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
3742 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
3743 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
3744 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
3745 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
3746 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
3747 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
3748 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
3749 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
3750 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
3751 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
3752 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
3753 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
3754 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
3755 (UNSPEC_RDDSP): New constants.
3756 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
3757 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
3759 * config/mips/mips.opt (-mdsp): New option.
3760 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
3761 (reg_imm10_operand): New predicates.
3762 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
3763 * doc/invoke.texi (-mdsp): Document new option.
3765 2005-07-22 DJ Delorie <dj@redhat.com>
3767 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
3769 * tree-inline.c (inlinable_function_p): Likewise.
3771 2005-07-22 Mark Mitchell <mark@codesourcery.com>
3774 * toplev.c (check_global_declarations): Do not mark undefined
3775 variables as DECL_IGNORED_P.
3776 * varasm.c (first_global_object_name): GTY it.
3777 (weak_global_object_name): Likewise.
3778 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
3779 a string to go into {weak,first}_global_object_name.
3781 2005-07-22 DJ Delorie <dj@redhat.com>
3783 * c-format.c (check_function_format): Change warning control
3784 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
3786 2005-07-22 Diego Novillo <dnovillo@redhat.com>
3788 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
3789 &PTR->FLD a dereference of PTR.
3790 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
3791 a potential dereference of PTR.
3793 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
3795 PR rtl-optimization/20370
3796 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
3797 call allocate_reg_info if necessary.
3799 PR rtl-optimization/21848
3800 * calls.c (emit_library_call_value_1): For const functions, add
3801 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
3803 PR rtl-optimization/22445
3804 * cselib.c (target.h): Include.
3805 (rtx_equal_for_cselib_p): Allow commutative matches.
3806 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
3807 Remove MODE parameter. Changed all callers.
3809 PR rtl-optimization/22258
3810 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
3812 (try_combine): Use likely_spilled_retval_p.
3814 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
3816 * config.gcc: Add crx-elf support.
3818 * doc/contrib.texi: Mention crx.
3819 * doc/extend.texi: Document crx extensions.
3820 * doc/install.texi: Document crx install.
3821 * doc/invoke.texi: Document crx options.
3822 * doc/md.texi: Document crx constraints.
3824 * config/crx/crx-protos.h: New file.
3825 * config/crx/crx.c: New file.
3826 * config/crx/crx.h: New file.
3827 * config/crx/crx.md: New file.
3828 * config/crx/crx.opt: New file.
3829 * config/crx/t-crx: New file.
3831 2005-07-22 Manfred Hollstein <mh@suse.com>
3833 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
3835 (int_add_graph_edge): Likewise.
3836 (collapse_nodes): Likewise.
3837 (process_unification_queue): Likewise.
3839 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3840 Laurent GUERBY <laurent@guerby.net>
3842 PR tree-optimization/22336
3843 * function.c (record_block_change): Check for
3844 cfun->ib_boundaries_block.
3846 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
3848 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
3849 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
3851 2005-07-21 DJ Delorie <dj@redhat.com>
3853 * toplev.c (warn_deprecated_use): Add warning control to warning
3855 * c-typeck.c (parser_build_binary_op): Likewise.
3856 (c_finish_if_stmt): Likewise.
3857 * c-common.c (check_function_sentinel): Likewise.
3858 (check_nonnull_arg): Likewise.
3860 2005-07-21 Richard Henderson <rth@redhat.com>
3863 * tree-complex.c (complex_ssa_name_components): New.
3864 (cvc_lookup): Allow entry not found.
3865 (create_components): Remove.
3866 (create_one_component_var, get_component_var): New.
3867 (get_component_ssa_name, set_component_ssa_name): New.
3868 (extract_component): Use get_component_ssa_name.
3869 (update_complex_components): Use set_component_ssa_name.
3870 (update_complex_components_on_edge): Likewise.
3871 (update_phi_components): Create new PHI nodes directly, instead
3872 of adding insns to edges.
3873 (tree_lower_complex): Allocate and free complex_variable_components
3874 and complex_ssa_name_components here.
3876 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
3878 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
3879 revert to returning false.
3881 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3884 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
3886 2005-07-21 Uros Bizjak <uros@kss-loka.si>
3889 * config/i386/i386.md (cmpxf): Change operand constraints
3890 to "nonmemory_operand".
3892 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3894 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
3896 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3899 * fold-const.c (fold_build1): Add checksum for the operands.
3900 (fold_build2): Likewise.
3901 (fold_build3): Likewise.
3903 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
3906 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
3908 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3910 * common.opt (-fforward-propagate): Committed by mistake,
3913 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3915 * reg-stack.c: Fix comment typo(s).
3916 * tree-ssa-operands.c: Likewise.
3917 * tree-vectorizer: Likewise.
3919 2005-07-21 Nick Clifton <nickc@redhat.com>
3921 * config/sh/symbian.c: Replace C++ style line comments with C
3922 style line comments.
3923 (symbian_add_attribute): Do not use a ? operator on the LHS of
3925 (sh_symbian_handle_dll_attribute): Change the type of the
3926 method vector to "VEC(tree,gc)*" and use vector accessor
3927 macros to walk over the elements.
3928 (symbian_export_vtable_and_rtti_p): Likewise.
3929 (symbian_class_needs_attribute_p): Likewise.
3931 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3934 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
3935 initialize targetm.resolve_overloaded_builtin here.
3936 (altivec_expand_overloaded_builtin): Make it non-static.
3937 * config/rs6000/rs6000-protos.h
3938 (altivec_expand_overloaded_builtin): New prototype.
3939 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
3940 targetm.resolve_overloaded_builtin here.
3941 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
3943 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
3944 Zdenek Dvorak <dvorakz@suse.cz>
3946 PR tree-optimization/19210
3947 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
3949 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
3950 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
3951 rely on unproven assumptions.
3952 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
3953 * tree-flow.h (number_of_iterations_exit): Add final parameter.
3954 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
3955 to number_of_iterations_exit.
3956 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
3957 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
3958 * tree-ssa-loop-niter.c (find_loop_niter,
3959 estimate_numbers_of_iterations_loop): Likewise.
3960 (number_of_iterations_exit): Honor the new options.
3961 * doc/invoke.texi (Wunsafe-loop-optimizations,
3962 funsafe-loop-optimizations): Document them.
3964 2005-07-21 Richard Sandiford <richard@codesourcery.com>
3966 PR rtl-optimization/22167
3967 * gcse.c (hoist_code): Fix hoist_exprs[] check.
3969 2005-07-20 Adam Nemet <anemet@lnxw.com>
3971 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
3972 __do_global_dtors_aux longcall.
3974 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
3976 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
3977 (old_special_pred_table): Don't reference
3978 SPECIAL_MODE_PREDICATES.
3979 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
3980 * config/arc/arc.h: Don't mention PREDICATE_CODES.
3981 * config/sh/predicates.h: Don't mention
3982 SPECIAL_MODE_PREDICATES.
3983 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
3986 2005-07-20 DJ Delorie <dj@redhat.com>
3988 * config.gcc: Add m32c-elf support.
3990 * doc/contrib.texi: Mention m32c.
3991 * doc/extend.texi: Document m32c extensions.
3992 * doc/install.texi: Mention m32c.
3993 * doc/invoke.texi: Document m32c options.
3994 * doc/md.texi: Document m32c constraints.
3996 * config/m32c/addsub.md: New file.
3997 * config/m32c/bitops.md: New file.
3998 * config/m32c/cond.md: New file.
3999 * config/m32c/jump.md: New file.
4000 * config/m32c/m32c-lib1.S: New file.
4001 * config/m32c/m32c-lib2.c: New file.
4002 * config/m32c/m32c-modes.def: New file.
4003 * config/m32c/m32c-pragma.c: New file.
4004 * config/m32c/m32c-protos.h: New file.
4005 * config/m32c/m32c.abi: New file.
4006 * config/m32c/m32c.c: New file.
4007 * config/m32c/m32c.h: New file.
4008 * config/m32c/m32c.md: New file.
4009 * config/m32c/m32c.opt: New file.
4010 * config/m32c/minmax.md: New file.
4011 * config/m32c/mov.md: New file.
4012 * config/m32c/muldiv.md: New file.
4013 * config/m32c/predicates.md: New file.
4014 * config/m32c/prologue.md: New file.
4015 * config/m32c/shift.md: New file.
4016 * config/m32c/t-m32c: New file.
4018 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4020 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4021 (stack_protect_set, stack_protect_test): New expanders.
4022 (stack_protect_set_si, stack_protect_set_si_media,
4023 stack_protect_set_di_media, stack_protect_test_si,
4024 stack_protect_test_si_media, stack_protect_test_di_media):
4027 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
4029 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4031 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
4033 * tree.h (tree_expr_nonzero_p): Export.
4034 * fold-const.c (tree_expr_nonzero_p): Likewise.
4035 Return true for CALL_EXPRs that are alloca calls.
4036 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4038 * tree-flow.h (expr_computes_nonzero): Remove.
4039 * tree-vrp.c (expr_computes_nonzero): Remove.
4040 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4041 (extract_range_from_unary_expr): Likewise.
4042 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4043 tree_expr_nonzero_p.
4045 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
4047 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4048 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
4049 extra arg "picreg" and use it instead of pic_offset_table_rtx.
4050 All callers changed.
4051 (frame_related_constant_load): New arg "related" which controls
4052 setting of RTX_FRAME_RELATED_P. All callers changed.
4053 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4054 (bfin_expand_prologue): Add stack limit checking.
4055 * config/bfin/bfin.md (trapifcc): New pattern.
4057 * config/bfin/bfin.c: Include "langhooks.h".
4058 (def_builtin): Go through lang_hooks to call builtin_function.
4060 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4061 * config/bfin/predicates.md (symbol_ref_operand): New.
4062 (call_insn_operand): Delete. All callers changed to use
4063 register_no_elim_operand.
4064 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4066 (function_arg): Use it to generate the call's operand 2.
4067 (bfin_longcall_p): New function.
4068 (bfin_expand_call): Extra arg "cookie". All callers and declaration
4069 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
4070 determine if the address needs to be in a REG.
4071 (bfin_handle_longcall_attribute): New function.
4072 (bfin_attribute_table): Add "longcall" and "shortcall".
4073 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4074 (CUMULATIVE_ARGS): New member call_cookie.
4075 (PREDICATE_CODES): Add symbol_ref_operand.
4076 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4077 extra USE to the pattern.
4078 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4079 New patterns, split off call_insn, sibcall_insn, call_value_insn and
4080 sibcall_value_insn; now the new patterns handle direct calls and the
4081 old ones indirect calls.
4082 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4084 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
4086 * doc/trouble.texi: Update section on handling of empty loops.
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