1 2005-09-23 Fariborz Jahanian <fjahanian@apple.com>
4 * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
5 for __complex__ double in -mcpu=G5 mode.
7 2005-09-26 Sebastian Pop <pop@cri.ensmp.fr>
9 PR tree-optimization/23942
10 * Makefile.in (SCEV_H): Depends on PARAMS_H.
11 * tree-scalar-evolution.c: Include params.h.
13 (follow_ssa_edge, follow_ssa_edge_in_rhs,
14 follow_ssa_edge_in_condition_phi_branch,
15 follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
16 Change return type to t_bool. Use a parameter to limit the size of
17 trees that are walked before stopping
18 (analyze_evolution_in_loop): Initialize the limit to 0.
19 (follow_ssa_edge): Give up by returning t_dont_know if the limit
20 exceeds PARAM_SCEV_MAX_EXPR_SIZE.
22 2005-09-26 Uros Bizjak <uros@kss-loka.si>
25 * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
26 simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
28 2005-09-26 Fariborz Jahanian <fjahanian@apple.com>
30 * combine.c (make_extraction): Check for valid use of subreg.
32 2005-09-26 Uros Bizjak <uros@kss-loka.si>
35 * config/i386/i386.md ("*fistdi2_1"): New pattern.
36 ("*fist<mode>2_1"): Use only HImode and SImode register operands.
37 ("fist<mode>2_with_temp"): Use only register operands.
39 2005-09-26 J"orn Rennecke <joern.rennecke@st.com>
41 * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
42 CALL_INSN_FUNCTION_USAGE.
44 2005-09-26 Richard Guenther <rguenther@suse.de>
47 * gcse.c: Include hashtab.h, define ldst entry hashtable.
48 (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
49 (ldst_entry): Use the hashtable instead of list-walking.
50 (find_rtx_in_ldst): Likewise.
51 (free_ldst_entry): Free the hashtable.
52 (compute_ld_motion_mems): Create the hashtable.
53 (trim_ld_motion_mems): Remove entry from hashtable if
54 removing it from list.
55 (compute_store_table): Likewise^2.
56 (store_motion): Free hashtable in case we did not see
59 2005-09-25 Kazu Hirata <kazu@codesourcery.com>
61 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
62 and arg1 if we are passing them to fold_build2.
64 2005-09-25 Dan Nicolaescu <dann@ics.uci.edu>
67 * config/i386/i386.c (ix86_function_regparm): Fix the test for
70 2005-09-25 Richard Henderson <rth@redhat.com>
72 * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
73 SYMBOL_REF_TLS_MODEL to be correct.
75 2005-09-24 Richard Henderson <rth@redhat.com>
77 * ipa-type-escape.c (discover_unique_type): Remove dead code at
78 end of function. Reindent.
80 2005-09-24 Ian Lance Taylor <ian@airs.com>
82 * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
83 NEGATE_EXPR/BIT_NOT_EXPR case.
85 2005-09-24 Richard Henderson <rth@redhat.com>
87 * c-common.c (handle_mode_attribute): When not modifying in place,
88 create subtypes for enumerations.
89 (sync_resolve_return): Use TYPE_MAIN_VARIANT.
90 * gimplify.c (create_tmp_from_val): Likewise.
92 2005-09-24 Alexandre Oliva <aoliva@redhat.com>
94 * config/i386/i386.md (*tls_global_dynamic_64,
95 *tls_local_dynamic_base_64): Add missing mode to call.
96 (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
98 2005-09-24 Jan Hubicka <jh@suse.cz>
100 * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
101 (cgraph_clone_node): Likewise.
102 * cgraph.h (cgraph_clone_edge): Update prototype.
103 (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
104 duplicated prototypes; add updating argument.
105 * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
106 * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
108 (cgraph_mark_inline_edge): Likewise.
109 (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
110 (cgraph_flatten_node): Likewise.
111 (cgraph_decide_recursive_inlining): Likewise.
112 (cgraph_decide_inlining_of_small_function): Likewise.
113 * tree-optimize.c (tree_rest_of_compilation): Likewise.
115 2005-09-23 David Edelsohn <edelsohn@gnu.org>
116 Pete Steinmetz <steinmtz@us.ibm.com>
118 * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
119 (rldic.): Set type to "compare".
121 (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR. Set type to
122 mfjmpr for MFCTR/MFLR.
123 (movdf_hardfloat64): Same.
124 (movdf_softfloat64): Same. Correct order of store and move types.
125 (movti_string): Set type to store_ux/load_ux.
126 (load_multiple): Set type to load_ux.
127 (store_multiple): Set type to store_ux.
128 (movmemsi): Set type to store_ux.
129 (output_cbranch direct_return): Set type to jmpreg.
130 (stmw): Set type to store_ux.
131 (lmw): Set type to load_ux.
132 * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
133 * config/rs6000/440.md (ppc440-store): Increase latency to 6.
134 * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
135 * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
136 * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
137 * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
138 (rios1-fpstore): Increase latency to 3.
139 * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
140 * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
142 2005-09-23 David Edelsohn <edelsohn@gnu.org>
143 Andrew Pinski <pinskia@physics.uc.edu>
145 * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
146 operand2 constraint to "b".
147 (sync_<fetchop_name>di_internal): Same.
148 (sync_old_<fetchop_name>si_internal): Change operand3 constraint
150 (sync_old_<fetchop_name>di_internal): Same.
151 (sync_new_<fetchop_name>si_internal): Same.
152 (sync_new_<fetchop_name>di_internal): Same.
154 2005-09-23 J"orn Rennecke <joern.rennecke@st.com>
157 * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
158 case, define as macros.
160 PR rtl-optimization/23837
161 * optabs.c (no_conflict_move_test): Don't set must_stay for a
162 clobber / clobber match between dest and p->first.
164 * optabs.c (emit_libcall_block): Use no_conflict_move_test.
165 (no_conflict_move_test): Update comments.
167 2005-09-22 Ranjit Mathew <rmathew@gcc.gnu.org>
169 * doc/install.texi: Update URL for Jacks.
170 * doc/sourcebuild.texi: Likewise.
172 2005-09-22 David Edelsohn <edelsohn@gnu.org>
175 * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
176 registers when choosing register preferences.
177 (movdf_hardfloat64): Same.
179 2005-09-22 Andreas Krebbel <krebbel1@de.ibm.com>
181 * expmed.c (expand_shift): Don't use the target of the rotate as
182 target for the first expanded shift insn.
183 * testsuite/gcc.dg/20050922-1.c: Testcase added.
185 2005-09-21 Zdenek Dvorak <dvorakz@suse.cz>
187 PR tree-optimization/22438
188 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
189 preserved iv rhs rewriting specially.
191 2005-09-21 Daniel Berlin <dberlin@dberlin.org>
193 * tree-data-ref.c (analyze_array_indexes): Only estimate when
194 estimate_only is true.
195 * tree-flow.h (ref_contains_indirect_ref): New prototype.
196 * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
197 tree-ssa-structalias.c
198 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
199 ref_contains_indirect_ref.
200 * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
202 2005-09-21 DJ Delorie <dj@redhat.com>
204 * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
206 (mn10300_return_in_memory): Support variable size types also.
207 (mn10300_pass_by_reference): Likewise.
208 (mn10300_function_value): New.
209 * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
210 (FUNCTION_OUTGOING_VALUE): Likewise.
211 * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
212 * doc/invoke.texi: Document it.
214 2005-09-21 Uros Bizjak <uros@kss-loka.si>
217 * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
218 force integer op1 into register for XFmode compares.
220 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
223 * expmed.c (alg_code): Add alg_impossible.
224 (alg_hash_entry): Add cost.
225 (synth_mult): Record alg_impossible in the hash table if
226 multiplication by a given integer is impossble within the
227 limit. Speed up using alg_impossible.
229 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
231 * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
232 argument. Allow and set any offset if needs_anyoffset is passed
234 (get_constraint_for): Add argument here too.
236 (do_structure_copy): Pass NULL to get_constraint_for.
237 (handle_ptr_arith): Ditto.
238 (find_func_aliases): Ditto.
240 2005-09-20 J"orn Rennecke <joern.rennecke@st.com>
242 PR rtl-optimization/23898
243 * output.h (get_attr_min_length): Declare.
244 * final.c (get_attr_length_1): New function, broken out of:
246 (get_attr_min_length): New function.
247 * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
248 (duplicate_computed_gotos): Likewise.
249 * genattr.c (insn_min_length): Generate declaration.
250 * genattrtab.c (min_fn, min_attr_value): New functions.
251 (make_length_attrs): Generate insn_min_length.
253 2005-09-20 Steve Ellcey <sje@cup.hp.com>
255 * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
257 2005-09-20 Richard Henderson <rth@redhat.com>
259 * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
262 2005-09-20 Joseph S. Myers <joseph@codesourcery.com>
264 * c.opt (fextended-identifiers): New.
265 * c-opts.c (c_common_handle_option): Handle
266 -fextended-identifiers.
267 * doc/cpp.texi: Update documentation of extended identifiers.
268 * doc/cppopts.texi (-fextended-identifiers): Document.
270 2005-09-20 Jakub Jelinek <jakub@redhat.com>
272 PR tree-optimization/23929
273 * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
276 PR tree-optimization/23818
277 * tree-stdarg.c (execute_optimize_stdarg): Call
278 calculate_dominance_info.
280 2005-09-20 Daniel Berlin <dberlin@dberlin.org>
282 * tree-data-ref.c (get_number_of_iters_for_loop): New function.
283 (analyze_siv_subscript_cst_affine): Add weak SIV test.
284 (compute_overlap_steps_for_affine_1_2): Use
285 get_number_of_iters_for_loop.
286 (analyze_subscript_affine_affine): Check whether difference is
288 Use get_number_of_iters_for_loop.
289 Check whether overlap occurs outside of bounds.
290 (analyze_miv_subscript): Use get_number_of_iters_for_loop.
292 2005-09-20 Andreas Krebbel <krebbel1@de.ibm.com>
294 * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
295 base register if possible.
297 2005-09-20 Zdenek Dvorak <dvorakz@suse.cz>
299 PR tree-optimization/18463
300 * tree-chrec.c (chrec_convert): Return fold_converted chrec if
301 converting it directly is not possible.
302 (chrec_convert_aggressive): New function.
303 * tree-chrec.h (chrec_convert_aggressive): Declare.
304 * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
305 Fold chrec conversions aggressively if asked to.
306 (instantiate_parameters): Modified because of changes in
307 instantiate_parameters_1.
309 2005-09-19 Richard Henderson <rth@redhat.com>
311 * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
312 (reduc_splus_v2df): New.
314 2005-09-19 Richard Sandiford <richard@codesourcery.com>
316 * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
317 (ADDITIONAL_REGISTER_NAMES): Add missing comma. Remove final comma.
319 2005-09-19 Richard Henderson <rth@redhat.com>
321 * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
324 2005-09-19 Richard Henderson <rth@redhat.com>
326 * config/ia64/ia64.c (ia64_expand_widen_sum): New.
327 (ia64_expand_dot_prod_v8qi): New.
328 * config/ia64/ia64-protos.h: Update.
329 * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
330 widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
331 sdot_prodv8qi, sdot_prodv4hi): New.
332 (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
334 2005-09-19 Richard Henderson <rth@redhat.com>
337 * real.c (exact_real_truncate): Return false if the format cannot
338 represent the number as a normal.
340 * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
343 2005-09-19 Dorit Nuzman <dorit@il.ibm.com>
345 * tree-ssa-operands.c (swap_tree_operands): Export.
346 * tree.h (swap_tree_operands): Declare.
347 * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
348 Call swap_tree_operands.
350 2005-09-19 Richard Henderson <rth@redhat.com>
352 * tree-flow.h (merge_alias_info): Declare.
353 * tree-ssa-copy.c (merge_alias_info): Export.
354 * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
355 (vect_create_data_ref_ptr): Use create_iv directly.
356 (vectorizable_load): Use correct types for integer constants.
357 (vect_generate_tmps_on_preheader): Likewise.
358 (vect_gen_niters_for_prolog_loop): Likewise.
360 2005-09-19 Steven Bosscher <stevenb@suse.de>
362 PR rtl-optimization/23943
363 * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
365 2005-09-18 Jan Hubicka <jh@suse.cz>
367 * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
369 2005-09-18 Eric Botcazou <ebotcazou@adacore.com>
371 * varasm.c (output_constant): Do not abort on conversions to union
372 types between different sizes.
374 2005-09-18 Richard Guenther <rguenther@suse.de>
377 * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
380 2005-09-18 Paul Brook <paul@codesourcery.com>
382 * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
384 2005-09-17 Richard Henderson <rth@redhat.com>
386 * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
387 * tree-ssa-loop.c (pass_vect_dce): Remove.
388 * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
391 2005-09-17 Richard Henderson <rth@redhat.com>
393 * tree-pass.h (pass_vect_dce): Declare.
394 * passes.c (init_optimization_passes): Add it.
395 * tree-flow.h (tree_ssa_dce): Declare.
396 * tree-ssa-dce.c (tree_ssa_dce): Export.
397 * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
398 (gate_tree_vectorize): ... here.
399 (pass_vect_dce): New.
401 2005-09-17 Jan Hubicka <jh@suse.cz>
403 * except.c (struct eh_status): Turn region_array into vec.
404 (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
405 convert_from_eh_region_ranges, find_exception_handler_labels,
406 current_function_has_exception_handlers, assign_filter_values,
407 build_post_landing_pads, dw2_build_landing_pads,
408 sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
409 sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
410 foreach_reachable_handler, can_throw_internal_1,
411 convert_to_eh_region_ranges, verify_eh_tree): Update uses of
413 (duplicate_eh_region_1): Update region_array.
414 (duplicate_eh_regions): Resize region_array and avoid recomputing.
416 2005-09-17 David Edelsohn <edelsohn@gnu.org>
419 * expmed.c (expand_mult): Substitute simple register for op0 when
422 2005-09-17 Richard Henderson <rth@redhat.com>
424 * expr.c (emit_move_via_integer): Add force argument, pass it on
425 to emit_move_change_mode. Update callers.
426 (emit_move_complex): Pass true to new force argument.
427 * function.c (expand_function_end): Move expand_eh_return call
428 earlier. Merge sub-word complex values into a pseudo before
429 copying to the return hard register.
431 2005-09-17 Eric Botcazou <ebotcazou@adacore.com>
433 * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
434 between different sizes.
436 2005-09-16 Paolo Bonzini <bonzini@gnu.org>
440 * passes.c (init_optimization_passes): Register dump files for
443 2005-09-16 Andreas Krebbel <krebbel1@de.ibm.com>
445 * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
446 * config/s390/s390.c (s390_overlap_p): New function.
447 * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
448 peephole2, "*xc" peephole2): Added overlap check to the peephole2
451 2005-09-16 Richard Guenther <rguenther@suse.de>
453 * ipa-pure-const.c (static_execute): Free auxiliar information.
454 * ipa-type-escape.c (discover_unique_type): Free temporary key.
455 * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
457 2005-09-15 DJ Delorie <dj@redhat.com>
459 * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
461 2005-09-15 Paolo Bonzini <bonzini@gnu.org>
463 * optabs.c (expand_binop): Use swap_commutative_operands_with_target
465 (swap_commutative_operands_with_target): New.
467 2005-09-15 Daniel Berlin <dberlin@dberlin.org>
469 * tree-data-ref.c (analyze_array_indexes): Add estimate_only
472 (estimate_iters_using_array): New function.
473 * tree-data-ref.h (estimate_iters_using_array): Prototype
474 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
475 Use estimate_iters_using_array instead of analyze_array.
477 2005-09-15 Eric Botcazou <ebotcazou@adacore.com>
479 * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
482 2005-09-15 Michael Matz <matz@suse.de>
484 * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
486 2005-09-14 Daniel Berlin <dberlin@dberlin.org>
488 PR tree-optimization/23835
489 * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
490 (create_name_tags): Rewrite to be not O(num_ssa_names^2).
492 2005-09-14 Richard Henderson <rth@redhat.com>
494 * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
495 (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
497 2005-09-14 Andrew Pinski <pinskia@physics.uc.edu>
499 * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
500 in the ARRAY_TYPE case.
502 2005-09-14 Eric Botcazou <ebotcazou@adacore.com>
504 * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
506 2005-09-14 Uros Bizjak <uros@kss-loka.si>
509 * tree-vect-transform.c (vectorizable_operation): Return false for
510 scalar shift operations and for vector shift operations with
511 non-invariant shift arguments. Use scalar tree operand op1 as
512 a shift operand when vector shift insn pattern uses scalar shift
514 * Makefile.in (tree-vect-transform.o): Depend on recog.h.
516 2005-09-14 Olivier Hainque <hainque@adacore.com>
518 * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
519 value if it has side-effects.
521 2005-09-14 David Edelsohn <edelsohn@gnu.org>
524 * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
526 2005-09-14 Alan Modra <amodra@bigpond.net.au>
528 * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
529 passed as NAME as if it were label at start of function code.
531 2005-09-13 Kaz Kojima <kkojima@gcc.gnu.org>
533 * config/sh/sh.md (*movv4sf_i): Add general register cases to
536 2005-09-13 Andrew Pinski <pinskia@physics.uc.edu>
538 * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
539 as early clobber. Rewrite so the PIC register is not implicitly used.
541 2005-09-13 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
543 * tree.c (annotate_with_file_line): Compare line numbers before
546 2005-09-13 Uros Bizjak <uros@kss-loka.si>
549 * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
550 (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
552 2005-09-13 Ian Lance Taylor <ian@airs.com>
554 * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
555 than a HOST_WIDEST_INT to gen_doloop_begin.
557 2005-09-13 Diego Novillo <dnovillo@redhat.com>
559 * tree-dfa.c (dump_variable): Guard against NULL annotations.
561 2005-09-13 Zdenek Dvorak <dvorakz@suse.cz>
563 PR tree-optimize/23817
564 * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
566 2005-09-13 Alan Modra <amodra@bigpond.net.au>
569 * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
570 word before changing the stack pointer. Use gen_frame_mem for MEMs.
571 Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
572 (restore_stack_nonlocal): Likewise.
573 (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
575 2005-09-12 Ian Lance Taylor <ian@airs.com>
578 * c.opt (ffriend-injection): New C++ option.
579 * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
580 (C++ Dialect Options): Document -ffriend-injection.
582 2005-09-12 Josh Conner <jconner@apple.com>
585 * ipa-reference.c (static_execute): Don't mark variables in
586 named sections TREE_READONLY.
588 2005-09-12 Alan Modra <amodra@bigpond.net.au>
590 * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
593 2005-09-12 Andrew Pinski <pinskia@physics.uc.edu>
595 * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
596 V_MUST_DEF instead of just the first_use_p.
597 Don't mark the virtual variables for renaming on the statement which
599 (pass_dse): Remove TODO_update_ssa.
601 2005-09-12 J"orn Rennecke <joern.rennecke@st.com>
604 * stor-layout.c (compute_record_mode): For records with a single
605 field, actually check the field's mode size against the type size.
607 * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
608 registers for TARGET_SHMEDIA.
609 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
610 GENERAL_FP_REGS to GENERAL_DF_REGS. Add GENERAL_FP_REGS as union
611 of GENERAL_REGS and FP_REGS.
613 2005-09-12 Bernd Schmidt <bernd.schmidt@analog.com>
615 * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
617 2005-09-12 Alan Modra <amodra@bigpond.net.au>
619 * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
620 CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
621 are omitted. Exclude stack_tie insn too.
623 2005-09-11 David Edelsohn <edelsohn@gnu.org>
625 PR rtl-optimization/23098
626 * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
628 * config/rs6000/rs6000.md (movdf splitter): Use
629 const_double_operand predicate for TARGET_POWERPC64.
630 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
631 SYMBOL_REF method to ABI_V4.
633 * config/rs6000/altivec.md (build_vector_mask_for_load): Use
634 replace_equiv_address.
635 * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
636 rs6000_sr_alias_set and MEM_NOTRAP.
637 (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
639 2005-09-11 Eric Botcazou <ebotcazou@adacore.com>
641 * tree.c (contains_placeholder_p) <tcc_expression>: Properly
642 handle CALL_EXPR again.
644 2005-09-11 Richard Earnshaw <richard.earnshaw@arm.com>
646 * arm/predicates.md (alignable_memory_operand): Delete.
648 2005-09-10 Richard Henderson <rth@redhat.com>
651 * dbxout.c (dbxout_expand_expr): New.
652 (dbxout_symbol): Use it.
654 2005-09-10 Richard Earnshaw <richard.earnshaw@arm.com>
656 * arm.c (arm_gen_rotated_half_load): Delete.
657 (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
658 (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
659 (thumb_set_return_address): Likewise.
660 (thumb_load_double_from_address): Use adjust_address.
661 * arm.md (splits calling arm_gen_rotated_half_load): Delete.
662 (extendhsisi2_mem, movhi_bytes): Use change_address.
663 (movhi): Use widen_memory_access.
664 (reload_out_df): Use replace_equiv_address.
665 * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
667 2005-09-09 Richard Henderson <rth@redhat.com>
670 * dbxout.c: Include expr.h.
671 (dbxout_global_decl): Don't suppress for DECL_RTL unset.
672 (dbxout_symbol): Handle DECL_VALUE_EXPR.
673 * Makefile.in (dbxout.o): Add EXPR_H.
675 2005-09-09 Zdenek Dvorak <dvorakz@suse.cz>
677 PR tree-optimization/23509
678 * tree-cfg.c (replace_uses_by): Use replace_exp.
679 * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
680 pointers have name_mem_tag or type_mem_tag set.
682 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
684 * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
685 CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
686 of wrongly accessing operands.
688 2005-09-09 Sebastian Pop <pop@cri.ensmp.fr>
690 * Makefile.in (tree-chrec.o): Depends on SCEV_H.
691 * tree-chrec.c: Include tree-scalar-evolution.h.
692 (chrec_convert): Instantiate the base and step before calling
693 scev_probably_wraps_p that would fail on parametric evolutions.
694 Collect all the fails into a single section failed_to_convert,
695 print a diagnostic, and return chrec_dont_know instead of calling
697 * tree-scalar-evolution.c (loop_closed_phi_def): New.
698 (instantiate_parameters_1): Avoid instantiation of loop closed ssa
700 (scev_const_prop): Don't replace the definition of a loop closed ssa
701 phi node by itself, or by another loop closed ssa phi node.
702 * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
703 that base and step are defined.
705 2005-09-09 Richard Guenther <rguenther@suse.de>
708 * fold-const.c (fold_ternary): Check truth_value_p before
709 calling invert_truthvalue.
711 2005-09-09 Nick Clifton <nickc@redhat.com>
713 * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
714 * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
715 dimension of these arrays.
716 * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
718 * longlong.h: Only provide a prototype for the __clz_tab[] array
719 if this header has not been included from libgcc2.h.
720 * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
722 Provide prototypes for exported functions.
723 Use the __clz_tab[] and __popcount_tab[] arrays provided by
726 2005-09-08 Josh Conner <jconner@apple.com>
730 * expr.c (expand_expr_addr_expr_1): Don't invoke
731 expand_simple_binop for EXPAND_INITIALIZER.
733 2005-09-08 Richard Henderson <rth@redhat.com>
736 * toplev.c (wrapup_global_declaration_1): Split out ...
737 (wrapup_global_declaration_2): ... from ...
738 (wrapup_global_declarations): ... here. Return bool.
739 (check_global_declaration_1): Split out ...
740 (check_global_declarations): from here.
741 (emit_debug_global_declarations): New.
742 * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
743 check_global_declaration_1, emit_debug_global_declarations): Declare.
744 * c-decl.c (c_write_global_declarations_1): Don't create a vector
745 of decls. Call wrapup_global_declaration_1,
746 wrapup_global_declaration_2, check_global_declaration_1 directly.
747 (c_write_global_declarations_2): New.
749 (c_write_global_declarations): Call c_write_global_declarations_2.
750 * langhooks.c (write_global_declarations): Call
751 emit_debug_global_declarations.
753 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
754 remove decls that have DECL_RTL_SET_P.
755 * passes.c (rest_of_decl_compilation): Invoke
756 cgraph_varpool_finalize_decl for all but functions.
758 2005-09-08 Eric Botcazou <ebotcazou@libertysurf.fr>
760 * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
761 the result of a conversion if the new min and max cannot be compared.
763 2005-09-08 Andreas Krebbel <krebbel1@de.ibm.com>
765 * config/s390/s390.c (s390_sr_alias_set): Variable removed.
766 (override_options): Setting s390_sr_alias_set removed.
767 (save_fpr, save_gprs): Set alias set to vararg or frame.
768 (restore_fpr, restore_gprs, s390_emit_prologue): Replace
769 s390_sr_alias_set with get_frame_alias_set ().
770 (s390_gimplify_va_arg): Replace s390_sr_alias_set with
771 get_varargs_alias_set ().
773 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
777 * c-parser.c (c_parser_objc_method_definition): If the next
778 token is not "{", error out and don't start the function.
780 2005-09-08 Andrew Pinski <pinskia@physics.uc.edu>
782 * tree-vrp.c (extract_range_from_expr): Move the check for non
783 nullness after the check for gimple invariant.
785 2005-09-08 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
787 * tree.c (host_integerp, tree_low_cst): Correct function comment.
789 2005-09-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
792 * config/m32r.md (movmemsi_internal): Canonicalize order of
793 operands in PLUS component of template.
795 2005-09-07 Andreas Krebbel <krebbel1@de.ibm.com>
797 * reload1.c (fixup_eh_region_note): Remove assertion.
798 (fixup_abnormal_edges): Reverted removal of call to
799 find_many_sub_basic_blocks made on 2005-08-31.
801 2005-09-07 Richard Henderson <rth@redhat.com>
803 * function.c (ARG_POINTER_CFA_OFFSET): Move ...
804 * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
805 (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
806 * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
807 rearrange for better packing.
808 (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
809 (lookup_cfa_1): Remove inline marker.
810 (cfa_equal_p): Split out of ...
811 (def_cfa_1): ... here. Use INVALID_REGNUM.
812 (build_cfa_loc): Handle !cfa->indirect.
813 (frame_pointer_cfa_offset): New.
814 (dbx_reg_number): Assert register elimination performed; do
815 leaf register remapping.
816 (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
817 (eliminate_reg_to_offset): New.
818 (based_loc_descr): Remove can_use_fbreg argument. Use fbreg only
819 for verifiably local stack frame addresses; re-base to CFA.
820 (mem_loc_descriptor): Remove can_use_fbreg argument.
821 (concat_loc_descriptor, loc_descriptor): Likewise.
822 (containing_function_has_frame_base): Remove.
823 (rtl_for_decl_location): Don't do register elimination or
824 leaf register remapping here.
825 (secname_for_decl): Split out from ..
826 (add_location_or_const_value_attribute): ... here.
827 (convert_cfa_to_loc_list): New.
828 (compute_frame_pointer_to_cfa_displacement): New.
829 (gen_subprogram_die): Use them.
830 * tree.h (frame_base_decl): Remove.
831 * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
832 (prologue_stack_adjust): Remove.
833 (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
834 (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
835 (set_frame_base_location): Remove.
836 (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
837 (dump_attrs_list, dump_dataflow_set): Use string concatenation.
838 (vt_add_function_parameters): Don't eliminate_regs.
839 (vt_initialize): Don't create frame_base_decl.
841 2005-09-07 Eric Botcazou <ebotcazou@libertysurf.fr>
843 * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
844 version of GNU binutils for 4.x and later.
846 2005-09-06 Mark Mitchell <mark@codesourcery.com>
848 * ggc-page.c (ggc_push_context): Remove.
849 (ggc_pop_context): Likewise.
850 * ggc.h (ggc_push_context): Remove.
851 (ggc_pop_context): Likewise.
853 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
856 * config/arc/arc.c (arc_output_function_epilogue): Update flags while
857 returning from an interrupt handler.
859 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
862 * config/arc/arc.c (output_shift): Add check for loop count when
865 2005-09-06 Steven Bosscher <stevenb@suse.de>
867 * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
869 (abs_replacement): Likewise.
870 (pass_phiopt): Remove TODO_update_ssa.
872 2005-09-06 Jakub Jelinek <jakub@redhat.com>
875 * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
876 if "return with no value, in function returning non-void" warning
878 * tree-cfg.c (execute_warn_function_return): Don't look at
879 RETURN_EXPRs with TREE_NO_WARNING set.
882 * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
883 for internal functions doesn't use registers used by global registers
884 variables. Use fewer register parameters if there are global register
887 2005-09-06 Olivier Hainque <hainque@adacore.com>
888 Eric Botcazou <ebotcazou@adacore.com>
891 * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
892 when we would be extracting outside its bit span (bitpos+bitsize
893 larger than its mode), possible with some VIEW_CONVERT_EXPRs from
894 Ada unchecked conversions.
896 2005-09-06 Steven Bosscher <stevenb@suse.de>
898 * tree-ssa-pre.c (try_look_through_load): New function.
899 (compute_avail): Use it to try to look through loads for some
900 more useful expressions.
902 2005-09-06 Saurabh Verma <saurabh.verma@codito.com>
904 * simplify-rtx.c (simplify_binary_operation_1): Correct the
905 condition for detecting cases like (a&a) and (a^a).
907 2005-09-06 Keith Besaw <kbesaw@us.ibm.com>
909 * common.opt: Add option ftree-vect-loop-version.
910 * params.def: Add --param vect-max-version-checks.
911 * doc/invoke.texi: Document ftree-vect-loop-version and
912 --param vect-max-version-checks.
913 * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
914 may_misalign_stmts and defines for accessors.
915 * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
916 LOOP_VINFO_MAY_MISALIGN_STMTS.
917 (destroy_loop_vec_info): VEC_free for
918 LOOP_VINFO_MAY_MISALIGN_STMTS.
919 * tree-vect-analyze.c (vect_compute_data_ref_alignment):
920 Update documentation.
921 (vect_update_misalignment_for_peel): New.
922 (vect_enhance_data_refs_alignment): Update to choose loop
923 peeling or loop versioning if appropriate for the (potentially)
924 unaligned data references in the loop.
925 (vect_analyze_data_refs_alignment): Remove call to
926 vect_enhance_data_refs_alignment so the checks can be done
928 (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
929 and move up call to vect_analyze_data_refs_alignment.
930 * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
931 (vect_transform_loop): Add call to loop_version.
933 2005-09-06 Jakub Jelinek <jakub@redhat.com>
935 PR rtl-optimization/23098
936 * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
937 * simplify-rtx.c (constant_pool_reference_p): New function.
938 * rtl.h (constant_pool_reference_p): New prototype.
939 * config/i386/i386.md (pushf split, mov[sdx]f split): Use
940 constant_pool_reference_p in condition and
941 avoid_constant_pool_reference in preparation statements.
943 2005-09-06 Andreas Krebbel <krebbel1@de.ibm.com>
945 * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
946 STRICT_LOW_PART SETs.
948 2005-09-06 Alan Modra <amodra@bigpond.net.au>
951 * except.c (sjlj_emit_function_enter): Find the function begin
952 note even when it's not in first basic block.
954 2005-09-06 Kelley Cook <kcook@gcc.gnu.org>
956 * acinclude.m4: Renamed from aclocal.m4. Delete AM_LANGINFO_CODESET,
957 AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
958 * aclocal.m4: Regenerate.
960 2005-09-05 DJ Delorie <dj@redhat.com>
962 * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
965 2005-09-06 Kazu Hirata <kazu@codesourcery.com>
967 * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
968 config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
969 config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
970 Follow spelling conventions.
971 * doc/invoke.texi: Follow spelling conventions.
973 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
975 * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
976 * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
977 * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
979 2005-09-05 J"orn Rennecke <joern.rennecke@st.com>
982 * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
983 (output_stack_adjust): Use gen_tmp_stack_mem.
984 (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
985 (sh_set_return_address, sh_allocate_initial_value): Likewise.
986 (sh_get_pr_initial_val): Likewise.
987 (sh_builtin_saveregs): Use gen_frame_mem and change_address.
988 (sh_initialize_trampoline): Likewise. Also use adjust_address.
989 * sh.md (divsi_inv_m0): Use gen_const_mem.
990 (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
991 (movdf_i4+1): Use gen_tmp_stack_mem.
992 (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
993 (fpu_switch+2): Likewise.
994 (movv4sf_i, movv16sf_i): Use adjust_address.
995 (symGOT_load): Set MEM_NOTRAP_P bit.
997 2005-09-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1000 * pa.c (emit_move_sequence): Fix typo in last change.
1002 2005-09-03 Jakub Jelinek <jakub@redhat.com>
1004 PR rtl-optimization/23454
1005 * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1008 2005-09-03 Richard Henderson <rth@redhat.com>
1009 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1012 * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1015 2005-09-02 Nicolas Pitre <nico@cam.org>
1017 * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1018 to bit_count to 32 bits.
1020 2005-08-31 Mark Mitchell <mark@codesourcery.com>
1023 * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1024 generating synthetic loads from volatile lvalues.
1026 005-09-02 Nick Clifton <nickc@redhat.com>
1028 * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1029 __ctzhi2, __clzhi2): New functions.
1031 2005-09-02 Andrew Pinski <pinskia@physics.uc.edu>
1034 * tree-nested.c (struct var_map_elt): Mark with GTY.
1035 (struct nesting_info): Mark with GTY. Mark var_map's param is struct
1037 (lookup_field_for_decl): Allocate new element in GC memory.
1038 (lookup_tramp_for_decl): Likewise.
1039 (convert_nl_goto_reference): Likewise
1040 (create_nesting_tree): Allocate info in GC memory. Likewise for
1042 (free_nesting_tree): Free with ggc_free instead of free.
1043 (root): New static variable.
1044 (lower_nested_functions): Remove root as local variable. And zero out
1045 root at the end of the function.
1047 2005-09-02 J"orn Rennecke <joern.rennecke@st.com>
1049 PR rtl-optimization/20365
1050 * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1051 to short. New member ix.
1052 (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1053 (simplify_plus_minus): Initialize ix members before calling qsort.
1055 2005-09-02 Zdenek Dvorak <dvorakz@suse.cz>
1057 PR tree-optimization/23626
1058 * tree-cfg.c (replace_uses_by): Clean up eh info.
1060 2005-09-01 DJ Delorie <dj@redhat.com>
1062 * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1065 2005-09-01 David Edelsohn <edelsohn@gnu.org>
1067 * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1068 (rs6000_split_multireg_move): Use replace_equiv_address instead of
1071 2005-09-01 Craig Rodrigues <rodrigc@gcc.gnu.org>
1073 * c-decl.c (diagnose_mismatched_decls): With -Wredundant-decls,
1074 do not issue warning for a variable definition following
1077 2005-09-01 Richard Henderson <rth@redhat.com>
1080 * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1081 conversion to CONST_VECTOR.
1083 2005-09-01 Richard Henderson <rth@redhat.com>
1086 * reload1.c (reload_as_needed): Check !CALL_P before calling
1087 fixup_eh_region_note.
1088 * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1090 2005-09-01 DJ Delorie <dj@redhat.com>
1092 * varasm.c (output_constant): Let the target resolve
1093 conversions of addresses to non-default pointer sizes.
1095 2005-09-01 Nicolas Pitre <nico@cam.org>
1097 * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1098 to alow matching ARM pre-indexed addressing mode.
1099 (arm_override_options): Remove now irrelevant comment.
1101 2005-09-01 Phil Edwards <phil@codesourcery.com>
1103 * config.gcc (i*86-wrs-vxworks): Update. Split out vxworksae target.
1104 * config/i386/t-vxworks: Update multilibs for VxWorks 6 and RTP mode.
1105 * config/i386/vxworks.h: Likewise.
1106 * config/i386/t-vxworksae: New file, for VxWorks AE.
1107 * config/i386/vxworksae.h: Likewise.
1109 2005-09-01 Sebastian Pop <pop@cri.ensmp.fr>
1111 PR tree-optimization/23410
1112 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1113 sequence is not wrapping during the first step.
1115 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1118 * dwarf2out.c (base_type_die): Compare char_type_node with
1119 TYPE_MAIN_VARIANT (type), not type.
1121 2005-09-01 Richard Guenther <rguenther@suse.de>
1123 PR tree-optimization/15366
1124 * common.opt: Add -finline-functions-called-once.
1125 Put -fearly-inlining in alphabetically ordered place.
1126 * doc/invoke.texi: Document new option.
1127 * ipa-inline.c (cgraph_decide_inlining): Honour
1128 flag_inline_functions_called_once.
1130 2005-09-01 Jakub Jelinek <jakub@redhat.com>
1132 PR rtl-optimization/23478
1133 * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1134 (alloc_qty): Initialize it.
1135 (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1136 (combine_regs): Combine also n_throwing_calls_crossed fields.
1137 (find_free_reg): Don't attempt to caller-save pseudos crossing
1138 calls that might throw.
1139 * global.c (struct allocno): Add throwing_calls_crossed field.
1140 (global_alloc): Revert 2005-08-22 change. Initialize
1141 throwing_calls_crossed.
1142 (find_reg): Don't attempt to caller-save pseudos crossing calls that
1145 2005-09-01 Alan Modra <amodra@bigpond.net.au>
1148 * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1149 (mask64_operand): Reinstate code prior to 2005-06-11 change.
1150 (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1151 (and64_2_operand): Tweak to use predicate.
1152 (and_operand): Adjust for mask_operand changes.
1153 * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1154 (print_operand): Likewise.
1155 (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1156 (mask64_1or2_operand): Delete.
1157 * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1158 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1159 (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1160 (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1161 * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1162 (rotldi3_internal4): Likewise.
1163 (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1164 (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1165 (ashldi3_internal7): Likewise.
1166 (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1167 (ashldi3_internal, ashldi3_internal9 split): Likewise.
1168 (anddi3 split): Don't match mask64_operand.
1169 (anddi3_internal2): Add rlwinm. Modify 't' splitter predicate.
1170 (anddi3_internal3): Add rlwinm. Use and64_2_operand in non-cr0
1171 splitter and match TARGET_64BIT not TARGET_POWERPC64. Modify
1172 't' splitter predicate.
1173 (movdi_internal64 + 2): Revert 2005-06-11 change.
1175 2005-08-31 DJ Delorie <dj@redhat.com>
1177 * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1178 (m32c_asm_integer): Add support for 32 bit pointers.
1180 2005-08-31 Richard Henderson <rth@redhat.com>
1182 * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1183 component-like references for setting MEM_NOTRAP_P.
1185 * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1186 * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1188 2005-08-31 Richard Henderson <rth@redhat.com>
1190 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1191 into a pseudo before applying gen_lowpart.
1193 2005-08-31 Geoffrey Keating <geoffk@apple.com>
1195 * doc/install.texi (Specific): Update cctools version required
1196 for full functionality.
1197 * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1198 linkers as -macosx_version_min.
1200 2005-08-31 J"orn Rennecke <joern.rennecke@st.com>
1203 * sh.c (print_operand, %R and %S): Add handling of floating point
1204 registers, memory, constants and invalid operands.
1206 2005-08-31 Daniel Berlin <dberlin@dberlin.org>
1208 * ipa-pure-const.c: Change dump name.
1210 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1213 * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1214 to "reg_or_0_operand".
1215 (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1217 2005-08-31 Dale Johannesen <dalej@apple.com>
1219 * loop-iv.c (iv_number_of_iterations): Fix overflow check for
1220 loops that count down.
1222 2005-08-31 Richard Henderson <rth@redhat.com>
1225 * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1226 (fixup_eh_region_note): New.
1227 (reload_as_needed): Call it.
1228 (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1229 don't call find_many_sub_basic_blocks; call verify_flow_info.
1230 * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1231 (keep_stack_depressed): Likewise.
1232 (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1234 2005-08-31 Richard Henderson <rth@redhat.com>
1236 * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1239 2005-08-31 Fariborz Jahanian <fjahanian@apple.com>
1241 * expr.c (expand_expr_real_1): Compare size of address
1242 mode to target's address mode size in deciding expansion of
1243 the constant address.
1245 2005-08-31 Richard Guenther <rguenther@suse.de>
1248 * expr.c (all_zeros_p): New function.
1249 (expand_expr_real_1): Handle the case of an all-zero
1250 non-addressable constructor separately.
1252 2005-08-31 Adrian Straetling <straetling@de.ibm.com>
1254 * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1255 arguments, adjust all callers.
1256 (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1258 2005-08-30 Richard Henderson <rth@redhat.com>
1261 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1262 whenever the mode sizes match.
1264 2005-08-31 Alan Modra <amodra@bigpond.net.au>
1266 * calls.c (load_register_parameters): Fix comment typo.
1267 * expr.c (emit_push_insn): Comment formatting.
1269 2005-08-30 Ian Lance Taylor <ian@airs.com>
1271 * config/i386/x-cygwin (host-cygwin): Change dependency from
1272 hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1274 2005-08-29 Geoffrey Keating <geoffk@apple.com>
1276 * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1279 2005-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1282 * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1283 call to ggc_collect.
1285 2005-08-29 Paolo Bonzini <bonzini@gnu.org>
1288 * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1289 beginning. Remove $(INCLUDES) from all the rules, if following
1290 $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1292 2005-08-29 Jakub Jelinek <jakub@redhat.com>
1295 * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1296 fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1297 not constant, but maxlen is, don't set len to maxlen, rather
1298 set maxlen to len if len is a constant.
1300 2005-08-29 Zdenek Dvorak <dvorakz@suse.cz>
1302 PR tree-optimization/23475
1303 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1306 2005-08-28 Daniel Berlin <dberlin@dberlin.org>
1308 Fix PR middle-end/22455
1310 * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1311 Checksum only the parts of the tree that exist for the tree code.
1313 2005-08-28 Dale Johannesen <dalej@apple.com>
1315 * config/i386/i386.c (nocona_cost): Increase MOVE_RATIO.
1317 2005-08-28 Andrew Pinski <pinskia@physics.uc.edu>
1319 * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1321 2005-08-28 Richard Henderson <rth@redhat.com>
1323 * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1324 * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1327 2005-08-28 Jakub Jelinek <jakub@redhat.com>
1330 * builtins.c (get_memory_rtx): Don't strip nops
1331 in between COMPONENT_REFs.
1333 2005-08-27 Andrew Pinski <pinskia@physics.uc.edu>
1336 * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1338 (gimplify_modify_expr): Check for zero sized types and gimplify the
1339 rhs and lhs as statements.
1341 2005-08-27 John David Anglin <dave.anflin@nrc-cnrc.gc.ca>
1344 * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1345 state for return address column of signal frames.
1347 2005-08-27 David Edelsohn <edelsohn@gnu.org>
1350 * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1351 bytes >= 2 not bytes == 2.
1352 (expand_block_move): Same.
1354 2005-08-27 Richard Guenther <rguenther@suse.de>
1357 * config/i386/sse.md (sse2_movsd): Add missing closing
1360 2005-08-27 Paul Brook <paul@codesourcery.com>
1362 * genrecog.c (enum decision_type): Add DT_num_insns.
1363 (struct decision_test): Add u.num_insns.
1364 (add_to_sequence): Add DT_num_insns test.
1365 (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1366 (write_cond, debug_decision_2): Ditto.
1367 (change_state): Assume peep2_next_insn never fails.
1368 Remove "afterward" argument.
1369 (write afterward, write_tree): Update to match.
1370 * recog.c (peep2_current_count): New variable.
1371 (peep2_next_insn): Check it.
1372 (peephole2_optimize): Set peep2_current_count.
1373 * recog.h (peep2_current_count): Declare.
1375 2005-08-26 Josh Conner <jconner@apple.com>
1378 * ipa-pure-const.c (check_tree): Check for volatile-ness
1379 when considering a dereference.
1381 2005-08-27 Jakub Jelinek <jakub@redhat.com>
1383 * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1385 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1387 PR rtl-optimization/23561
1388 * builtins.c (get_memory_rtx): Add LEN argument. If MEM_EXPR is
1389 a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1390 at most LEN bytes long memory fits into the field.
1391 (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1392 expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1393 expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1395 2005-08-26 Richard Henderson <rth@redhat.com>
1398 * loop.c (biased_biv_may_wrap_p): New.
1399 (maybe_eliminate_biv_1): Use it to suppress non-equality
1400 comparison transformations. Delete disabled code.
1402 2005-08-26 Ian Lance Taylor <ian@airs.com>
1404 * combine.c (make_extraction): Avoid reference outside object.
1406 2005-08-26 J"orn Rennecke <joern.rennecke@st.com>
1408 * stor-layout.c (finalize_type_size): Restore behaviour for
1409 non-aggregate types to the status quo ante of the patch for
1410 pr 23467. Document why it matters.
1412 2005-08-26 Jakub Jelinek <jakub@redhat.com>
1415 * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1416 array by one element, initialize the BT_LAST element with NULL.
1418 2005-08-26 David Edelsohn <edelsohn@gnu.org>
1420 * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1421 optimizing for size.
1423 (compare_plus_eqsi): Same.
1424 (plus_eqsi_compare): Same.
1425 (neg_eq0<mode>): Same.
1426 (neg_eq<mode>): Same.
1428 * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1431 2005-08-26 Nick Clifton <nickc@redhat.com>
1433 * config/v850/v850.c (ep_memory_operand): Return FALSE if
1434 TARGET_EP is not defined.
1435 * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1436 TARGET_EP is enabled.
1437 (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1438 * config/v850/v850.md (save_all_interrupt): Only use the EP
1439 register if TARGET_EP is defined.
1440 (restore_all_interrupt): Likewise.
1441 * config/v850/lib1funcs.asm: Update functions so that the EP
1442 register is only used if __EP__ is defined.
1444 2005-08-26 David Ung <davidu@mips.com>
1446 * config/mips/mips.c (mips_expand_prologue): Handle case when
1447 generating for MIPS16 and the outgoing argument area is more than
1448 SMALL_OPERAND. Use the frame pointer as temporary to generate the
1451 2005-08-26 Paul Woegerer <paul.woegerer@nsc.com>
1453 * config/crx/crx.md: Make doloop_end pattern usage controllable
1454 via mloop-nesting=<max-nesting> command line switch. Make sure
1455 the combiner cannot use doloop_end_<mode> in an illegal way.
1456 * config/crx/crx.c: Use regs up to r6 for argument passing.
1457 Refine crx_address_cost (non cst4 displacements are expensive).
1458 * config/crx/crx.opt: Add switch for mloop-nesting=.
1460 2005-08-26 Adrian Straetling <straetling@de.ibm.com>
1462 * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1463 (UNSPEC_MVST): New constant.
1465 2005-08-26 Andreas Krebbel <krebbel1@de.ibm.com>
1467 * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1468 Reject operands containing eliminable registers.
1469 * testsuite/gcc.dg/20050825-1.c: New testcase.
1471 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1472 Jan Hubicka <jh@suse.cz>
1474 * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1476 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1478 PR tree-optimization/23546
1479 * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1482 2005-08-24 Pete Steinmetz <steinmtz@us.ibm.com>
1484 * params.def (PARAM_MIN_SPEC_PROB): New.
1485 * sched-rgn.c (MIN_PROBABILITY): Delete.
1486 (compute_trg_info): Convert to PARAM_VALUE.
1487 * doc/invoke.texi (param): Document min-spec-prob.
1489 2005-08-24 Fariborz Jahanian <fjahanian@apple.com>
1491 * config/darwin.h: define __PIC__
1492 * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1493 TARGET_OS_CPP_BUILTINS macro.
1495 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1497 * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1500 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1502 * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1504 * cfghooks.c (duplicate_block): Added position where to place
1505 new block as argument.
1506 * cfghooks.h (duplicate_block): Declaration changed.
1507 * cfglayout.c (copy_bbs): Add argument after. Pass it to
1509 * cfglayout.h (copy_bbs): Declaration changed.
1510 * cfgloop.h (loop_version): Declaration changed.
1511 * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1512 position to copy_bbs.
1513 (loop_version): Pass position to duplicate_loop_to_header_edge.
1514 Add place_after argument and position new blocks according to
1516 * modulo-sched.c (sms_schedule): Pass place_after argument
1518 * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1519 * tree-cfg.c (split_edge_bb_loc): New function.
1520 (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1521 to determine position of new blocks.
1522 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1524 * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1525 argument to duplicate_block.
1526 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1527 Pass position to copy_bbs.
1529 2005-08-24 Zdenek Dvorak <dvorakz@suse.cz>
1531 * fold-const.c (ptr_difference_const): Use
1532 cst_and_fits_in_hwi instead of host_integerp.
1534 2005-08-24 Paolo Bonzini <bonzini@gnu.org>
1536 * config/darwin.c (gen_pic_offset): New.
1537 (machopic_indirect_data_reference, machopic_legitimize_pic_address):
1540 2005-08-23 Zdenek Dvorak <dvorakz@suse.cz>
1542 PR tree-optimization/23486
1543 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1545 2005-08-23 Phil Edwards <phil@codesourcery.com>
1547 * config.gcc (*-*-vxworks*): Update tm_file, add extra_options,
1548 remove use_collect2.
1549 (powerpc-wrs-vxworks): Update, split out *-*-vxworksae target.
1551 * target-def.h (TARGET_HAVE_CTORS_DTORS): Allow target
1552 configuration files to override the default value.
1554 * config/t-vxworks: Remove INSTALL_ASSERT_H. Define STMP_FIXPROTO,
1555 EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1556 * config/vx-common.h: New file, split out from...
1557 * config/vxworks.h: here. Update for VxWorks 6.x and RTP mode.
1558 * config/vxworksae.h: New file, for VxWorks AE.
1559 * config/vxworks.opt: New file.
1560 * config/vxlib.c: Update for VxWorks 6.
1562 * config/rs6000/t-vxworks (MULTILIB_OPTIONS): New list. Adjust
1563 other MULTILIB_* variables appropriately.
1564 (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS): Correct from t-ppccomm.
1565 * config/rs6000/t-vxworksae: New file, adjust multilibs for AE.
1566 * config/rs6000/vxworks.h: Update for VxWorks 6.
1567 * config/rs6000/vxworksae.h: New file, mostly placeholder for now.
1569 2005-08-23 Andrew Pinski <pinskia@physics.uc.edu>
1572 * config/darwin.c (machopic_select_section): Remove the hack to
1573 mark "::operator new" and "::operator delete" for coalescing
1574 even though they are not weak.
1576 2005-08-24 Alan Modra <amodra@bigpond.net.au>
1578 * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1579 * configure: Regenerate.
1581 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1584 * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1586 * convert.c (convert_to_integer, convert_to_vector): Likewise.
1587 * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1590 2005-08-23 Paolo Bonzini <bonzini@gnu.org>
1592 * config/rs6000/predicates.md (equality_operator): New.
1593 * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1594 comparison with a large constant.
1596 2005-08-23 Mark Mitchell <mark@codesourcery.com>
1598 * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1600 2005-08-23 J"orn Rennecke <joern.rennecke@st.com>
1602 * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1603 registers is even, and we have a hardware double precision fp,
1605 (sh_gimplify_va_arg_expr): For floating point arguments, consider
1606 size of current argument when checking if argument was passed in
1609 * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1612 * stor-layout.c (finalize_type_size): Dont override
1613 existing alignment with a smaller alignment from the mode.
1615 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1617 * lambda-code.c (lambda_vector_lexico_pos): Moved...
1618 * lambda.h (lambda_vector_lexico_pos): ... here.
1619 * tree-data-ref.c (build_classic_dist_vector): Return false when
1620 the distance vector is lexicographically negative.
1622 2005-08-23 Sebastian Pop <pop@cri.ensmp.fr>
1624 PR tree-optimization/23511
1625 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
1626 handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1628 2005-08-23 Jakub Jelinek <jakub@redhat.com>
1630 PR tree-optimization/22043
1631 * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1632 * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1633 If ALLOW_FLEXARR, handle types ending with flexible array member.
1634 Pass false as second argument to recursive count_type_elements calls.
1635 (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1636 argument to count_type_elements call.
1637 * tree-sra.c (decide_block_copy): Likewise.
1638 * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1639 for a constant-sized object, set cleared as well. Pass true as
1640 second argument to count_type_elements call.
1642 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1645 * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1646 from legitimate_small_data_p, and make global. Update use.
1647 Remove forward declaration.
1648 * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1650 * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1652 2005-08-23 David Edelsohn <edelsohn@gnu.org>
1654 * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1655 of scratch intermediates.
1656 (eq<mode>_compare): Same.
1657 (neg_eq0<mode>): New.
1658 (neg_eq<mode>): Convert to define_insn_and_split.
1660 2005-08-23 Alan Modra <amodra@bigpond.net.au>
1663 * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1664 stdarg functions, set/clear the fp marker even when no variable
1666 * config/rs6000/sysv4.opt (mprototype): Describe.
1668 2005-08-22 Jakub Jelinek <jakub@redhat.com>
1670 PR rtl-optimization/23478
1671 * regs.h (reg_info): Add throw_calls_crossed.
1672 (REG_N_THROWING_CALLS_CROSSED): Define.
1673 * flow.c (allocate_reg_life_data): Initialize
1674 REG_N_THROWING_CALLS_CROSSED.
1675 (propagate_one_insn, attempt_auto_inc): Update
1676 REG_N_THROWING_CALLS_CROSSED.
1677 * global.c (global_alloc): Don't allocate pseudos across
1678 calls that may throw.
1680 2005-08-22 Andrew Pinski <pinskia@physics.uc.edu>
1683 * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1684 value is inbetween the range if we did not find an exact match.
1686 2005-08-22 Aldy Hernandez <aldyh@redhat.com>
1688 * doc/invoke.texi (Option Summary): Add ms1 options.
1689 * doc/extend.texi: Document interrupt handler attribute for ms1.
1690 * doc/md.texi: Document ms1 constraints.
1691 * config.gcc: Add ms1-*-elf.
1692 * config/ms1/ms1.h: New.
1693 * config/ms1/ms1.c: New.
1694 * config/ms1/ms1.md: New.
1695 * config/ms1/ms1-protos.h: New.
1696 * config/ms1/ABI.txt: New.
1697 * config/ms1/crti.asm: New.
1698 * config/ms1/crtn.asm: New.
1699 * config/ms1/lib2extra-funcs.c: New.
1700 * config/ms1/t-ms1: New.
1701 * config/ms1/ms1.opt: New.
1703 2005-08-22 Ira Rosen <irar@il.ibm.com>
1705 * config/rs6000/altivec.md (xorv4sf3): New.
1706 (negv4sf2, neg<mode>2): Likewise.
1708 2005-08-21 H.J. Lu <hongjiu.lu@intel.com>
1711 * config/ia64/ia64.md (divsi3): Check divide by zero.
1712 (udivsi3): Likewise.
1714 (udivdi3): Likewise.
1716 2005-08-21 Jakub Jelinek <jakub@redhat.com>
1718 * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1719 up to elem_bitsize bits, not max_bitsize.
1721 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1723 PR tree-optimization/23433
1724 * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1725 REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1727 2005-08-21 Sebastian Pop <pop@cri.ensmp.fr>
1729 PR tree-optimization/23434
1730 * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1731 the iteration bound is not an INTEGER_CST.
1733 2005-08-21 Dorit Nuzman <dorit@il.ibm.com>
1735 * tree-vect-transform.c (get_initial_def_for_reduction): Set
1736 need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1737 NULL if need_epilog_adjust is false.
1738 (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1739 Case 3 always peels first itration, not just for PLUS case, and no need
1740 to use scalar_initial_def here. Create an epilog adjustment only if
1741 scalar_initial_def is not NULL.
1743 (vectorizable_reduction): Remove assert.
1745 2005-08-20 H.J. Lu <hongjiu.lu@intel.com>
1748 * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1749 (__moddi3): Likewise.
1750 (__udivdi3): Likewise.
1751 (__umoddi3): Likewise.
1752 (__divsi3): Likewise.
1753 (__modsi3): Likewise.
1754 (__udivsi3): Likewise.
1755 (__umodsi3): Likewise.
1757 2005-08-20 Jakub Jelinek <jakub@redhat.com>
1759 * tree-pass.h (TDF_GRAPH): Define.
1760 * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1761 * passes.c (finish_optimization_passes): Only call
1762 finish_graph_dump_file if TDF_GRAPH is set.
1763 (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1764 NULL. Set TDF_GRAPH bit.
1765 (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1767 2005-08-20 Richard Earnshaw <richard.earnshaw@arm.com>
1769 * arm.h (arm_stack_offsets): Add locals_base field.
1770 * arm.c (arm_get_frame_offsets): Compute it.
1771 (thumb_compute_initial_elimination offset): Make the Thumb frame
1772 pointer point to the base of the local variables.
1773 (thumb_expand_prologue): Update accordingly.
1774 (thumb_expand_epilogue): Likewise.
1776 * arm.md (thumb_movhi_clobber): Make this insn a define_expand. Change
1777 mode of clobbered scratch to DImode. Handle a case that's known to
1780 2005-08-19 David Edelsohn <edelsohn@gnu.org>
1782 * config/rs6000/rs6000.md (gt0<mode>): Delete.
1783 (gt0<mode>_compare): Delete.
1784 (neg_gt0<mode>): Delete.
1786 2005-08-19 Eric Christopher <echristo@apple.com>
1788 * optabs.h: Change CTI_ to COI_.
1791 2005-08-19 James E Wilson <wilson@specifix.com>
1793 * builtins.c (expand_builtin_return_addr): Set
1794 current_function_accesses_prior_frames when count != 0. Use
1795 frame_pointer_rtx when count == 0.
1796 * function.h (struct function): Add accesses_prior_frames field.
1797 (current_function_accesses_prior_frames): Define.
1798 * reload1.c (init_elim_table): Check
1799 current_function_accesses_prior_frames.
1800 * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1802 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1804 * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1805 indicator. Return true if the flowgraph changed during
1808 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1811 * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1812 conditional expression before testing its value.
1814 2005-08-19 Diego Novillo <dnovillo@redhat.com>
1816 * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1818 2005-08-19 Devang Patel <dpatel@apple.com>
1820 PR tree-optimization/23048
1821 * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1822 third parameter. Check whether latch is dominated by exit
1824 (if_convertible_loop_p): Supply exit block itself to
1825 if_convertible_bb_p.
1827 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1830 * arm.md (arm_load_pic_register): Change argument to the mask of
1831 saved registers. Call thumb_find_work_register if we need a
1832 scratch register on Thumb.
1833 (arm_expand_prologue): Pass empty register set to
1834 arm_load_pic_register.
1835 (thumb_expand_prologue): Pass live_regs_mask directly to
1836 arm_load_pic_register.
1837 * arm-protos.h (arm_load_pic_register): Update prototype.
1839 2005-08-19 J"orn Rennecke <joern.rennecke@st.com>
1841 * sh.c (find_sole_member): New function.
1842 (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1843 if the record's alignment is larger than the size of its only member.
1845 2005-08-19 Richard Earnshaw <richard.earnshaw@arm.com>
1848 * arm.c (thumb_legitimize_reload_address): New function.
1849 * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1850 * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1852 2005-08-19 Paul Woegerer <paul.woegerer@nsc.com>
1854 * config/crx/crx.c: Implement crx_decompose_address. Reject
1855 symbolic displacements since CRX register relative adressing
1856 mode can't handle unsigned 32-bit values as displacements.
1857 * config/crx/crx.h: Simplify definitions, remove redundant
1858 parenthesis and obsolete macros.
1859 * config/crx/crx.opt: Add new switch for debugging addresses.
1860 * config/crx/crx-protos.h: Add new declarations for above.
1862 2005-08-19 Andrew Pinski <pinskia@physics.uc.edu>
1865 * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1868 2005-08-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1870 * collect2.c (dup2): Delete.
1871 * configure.ac: Don't check for dup2.
1873 * config.in, configure: Regenerate.
1875 2005-08-18 J"orn Rennecke <joern.rennecke@st.com>
1877 * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1878 record with the type of its only member.
1880 2005-08-18 David Edelsohn <edelsohn@gnu.org>
1882 * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1883 define_insn_and_split.
1884 (plus_ltu<mode>_compare): Same.
1885 (gtu<mode>_compare): Same.
1886 (plus_gtu<mode>_compare): Same.
1888 2005-08-18 Dorit Nuzman <dorit@il.ibm.com>
1890 PR tree-optimization/22228
1891 * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1893 * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1894 are recorded in vect_vnames_to_rename for renaming.
1895 * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1896 (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1897 in vect_vnames_to_rename.
1898 (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1899 * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1901 2005-08-18 Jan Hubicka <jh@suse.cz>
1904 * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1905 info only for local statics, not for member variables.
1907 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1909 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1911 2005-08-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1913 * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1915 2005-08-18 Andrew Pinski <pinskia@physics.uc.edu>
1918 * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1920 2005-08-17 James E Wilson <wilson@specifix.com>
1922 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1925 2005-08-17 David Edelsohn <edelsohn@gnu.org>
1927 * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1928 (leu<mode>_compare): Same.
1929 (plus_leu<mode>): Same.
1930 (neg_leu<mode>): Same.
1931 (and_neg_leu<mode): Same.
1932 (ltu<mode>_compare): Same.
1933 (plus_ltu<mode>): Same.
1935 (geu<mode>_compare): Same.
1936 (plus_geu<mode>): Same.
1937 (neg_geu<mode>): Same.
1938 (and_neg_geu<mode>): Same.
1939 (plus_gt<mode>): Same.
1940 (gtu<mode>_compare): Same.
1941 (plus_gtu<mode>): Same.
1943 2005-08-17 Erik Christiansen <erik@dd.nec.com.au>
1945 * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1946 Move call_table_data to end. Delete spurious .text.
1947 (callt_save_all_interrupt): Fix comment typo.
1949 2005-08-17 James E Wilson <wilson@specifix.com>
1950 Kevin Winchester <winchester@amirix.com>
1953 * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1955 2005-08-17 Uros Bizjak <uros@kss-loka.si>
1958 * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1959 ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1961 2005-08-17 J"orn Rennecke <joern.rennecke@st.com>
1963 * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
1964 record with the type of its only member if the modes don't match.
1966 * varasm.c (decode_reg_name): Skip empty additional register names.
1968 2005-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1970 * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
1971 lsm_tmp_name_length): New.
1972 (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
1973 (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
1975 2005-08-16 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1976 Andreas Krebbel <krebbel1@de.ibm.com>
1978 * config.gcc: Added z9-109 switch.
1979 * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
1980 "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
1981 "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
1982 "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
1983 "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
1984 for "z9_109" cpu attribute.
1985 * config/s390/s390.c (z9_109_cost): New processor cost structure.
1986 (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
1987 (s390_handle_arch_option): Added z9-109 switch.
1988 (override_options): Set respective cost function for z9-109.
1989 (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
1990 (legitimate_reload_constant_p): Accept extended immediates.
1991 (print_operand): Three new output modifiers added: k, m and o.
1992 (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
1993 (s390_output_mi_thunk): Use extended immediate when possible.
1994 * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
1995 (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
1996 (CONSTRAINT_LEN): Added length of O constraint.
1997 (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
1998 * config/s390/s390.md ("cpu"): New value z9_109 added.
1999 ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2000 "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2001 "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2002 "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2003 "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2004 ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2005 "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2006 "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2007 ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2008 "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2009 "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2010 "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2011 "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2012 "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2013 "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2015 ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2016 "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2017 insns for TARGET_EXTIMM.
2019 2005-08-17 Andreas Krebbel <krebbel1@de.ibm.com>
2021 * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2023 2005-08-17 Nick Clifton <nickc@redhat.com>
2025 * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2026 Call default_encode_section_info.
2028 2005-08-17 Steven Bosscher <stevenb@suse.de>
2030 PR tree-optimization/21574
2031 * tree-ssa-ccp.c (likely_value): If the right hand side is a
2032 constant, return CONSTANT.
2033 (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2034 (ccp_fold, visit_assignment): Likewise.
2035 (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2037 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2039 * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2040 fold_buildN instead of buildN then fold_initializer or fold.
2041 (build_unary_op): Likewise.
2042 (build_binary_op): Likewise.
2043 * fold-const.c (fold_initializer): Remove.
2044 (fold_build1_initializer): New function.
2045 (fold_build2_initializer): New function.
2046 (fold_build3_initializer): New function.
2047 * tree.h (fold_initializer): Remove.
2048 (fold_build1_initializer): New function.
2049 (fold_build2_initializer): New function.
2050 (fold_build3_initializer): New function.
2052 2005-08-16 James A. Morrison <phython@gcc.gnu.org>
2054 * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2055 (try_move_mult_to_index): Call fold_build2 instead of build2.
2056 (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2057 * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2058 fold_binary_to_constant.
2059 (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2061 * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2062 check if A == gcd (A, B). Remove TYPE argument.
2063 (analyze_offset) Use fold_build2 instead of fold (build.
2064 (create_data_ref): Likewise.
2065 (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2066 * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2069 2005-08-17 Kelley Cook <kcook@gcc.gnu.org>
2071 * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2072 ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2074 2005-08-16 Andrew Pinski <pinskia@physics.uc.edu>
2077 * gimplify.c (zero_sized_type): New function.
2078 (gimplify_modify_expr_rhs): If we have a zero sized type,
2079 replace the statement with an empty statement.
2081 2005-08-16 H.J. Lu <hongjiu.lu@intel.com>
2083 * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2086 2005-08-16 Ian Lance Taylor <ian@airs.com>
2088 * doc/tm.texi (Label Output): Correct typo.
2090 2005-08-16 Steven Bosscher <stevenb@suse.de>
2093 * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2094 force_operand will work later on using have_insn_for.
2096 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2098 * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2100 2005-08-16 Ian Lance Taylor <ian@airs.com>
2103 * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2104 vector type, don't try to construct it element by element. Add an
2105 assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2107 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2109 * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2111 2005-08-16 Geoffrey Keating <geoffk@apple.com>
2113 * doc/invoke.texi (Precompiled Headers): Document some more options
2114 which are known to be safe.
2116 2005-08-16 James E Wilson <wilson@specifix.com>
2118 PR tree-optimization/21105
2119 * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2120 TREE_OVERFLOW check.
2122 2005-08-16 David Edelsohn <edelsohn@gnu.org>
2124 * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2125 (neg_ltu<mode>): Same.
2127 (neg_gtu<mode>): Same.
2129 2005-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2131 * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2132 (fold_builtin_isdigit): Use fold_buildN.
2133 (build_function_call_expr): Likewise.
2134 * c-typeck.c (c_finish_loop): Likewise.
2136 2005-08-16 J"orn Rennecke <joern.rennecke@st.com>
2137 Richard Shann <rshann@superh.com>
2139 PR middle-end/20396:
2140 * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2142 2005-08-16 Sebastian Pop <pop@cri.ensmp.fr>
2144 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2146 2005-08-15 Richard Earnshaw <richard.earnshaw@arm.com>
2149 * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2150 arm_compure_save_reg0_reg12_mask to determine when the PIC register
2153 2005-08-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2156 * fold-const.c (build_range_check): Disable optimization for function
2157 pointer expressions on targets that require function pointer
2160 2005-08-15 Ulrich Weigand <uweigand@de.ibm.com>
2162 * simplify-rtx.c (simplify_const_relational_operation): When
2163 extracting arguments of a COMPARE, recompute the mode as well.
2165 2005-08-15 Ian Lance Taylor <ian@airs.com>
2167 * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2169 2005-08-15 DJ Delorie <dj@redhat.com>
2171 * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2173 (movsi_splittable): Allow, but split, moves to the stack.
2174 * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2177 2005-08-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2179 * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2180 * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2181 * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2183 * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2184 config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2185 Delete HOST_PTR_PRINTF.
2187 * configure, config.in: Regenerate.
2189 2005-08-15 David Edelsohn <edelsohn@gnu.org>
2191 * config/rs6000/rs6000.md (QHSI): New mode macro.
2192 (wd): Extend mode attr for QImode and HImode
2193 (dbits): New mode attr.
2194 (zero_extend<mode>di2): Convert to mode macro.
2196 2005-08-15 Steve Ellcey <sje@cup.hp.com>
2199 * doc/invoke.texi (-mgnu-ld): Update description.
2202 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2205 * Makefile.in (tree-chrec.o): Depends on real.h.
2206 * tree-chrec.c: Include real.h.
2207 (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2208 chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2209 * tree-scalar-evolution.c (add_to_evolution_1,
2210 interpret_rhs_modify_expr): Ditto.
2212 2005-08-15 Sebastian Pop <pop@cri.ensmp.fr>
2215 * tree-data-ref.c (estimate_niter_from_size_of_data): When
2216 step is negative compute the estimation from init downwards to zero.
2218 2005-08-14 James A. Morrison <phython@gcc.gnu.org>
2220 * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2222 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2224 * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2226 (legitimate_reload_constant_p): Fix handling of lliXX operands.
2227 Accept double-word constants that can be split.
2228 * config/s390/s390.md ("movti"): Use 'P' constraint.
2229 ("*movdi_31", "*movdf_31"): Likewise.
2231 2005-08-14 Daniel Berlin <dberlin@dberlin.org>
2233 Fix PR tree-optimization/22615
2235 * tree-ssa-structalias.c (solution_set_add): Handle
2236 first_vi_for_offset returning NULL.
2237 (do_da_constraint): Ditto.
2238 (do_sd_constraint): Ditto.
2239 (do_ds_constraint): Ditto
2240 (find_func_aliases): Ditto.
2241 (build_constraint_graph): RHS is allowed be ANYTHING.
2242 (first_vi_for_offset): Return NULL if we couldn't find anything at
2245 2005-08-14 Ulrich Weigand <uweigand@de.ibm.com>
2247 * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2248 over memory as first operand.
2250 2005-08-14 H.J. Lu <hongjiu.lu@intel.com>
2253 * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2254 available for setting it.
2256 2005-08-14 Ira Rosen <irar@il.ibm.com>
2258 PR tree-optimization/23320
2259 * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2260 data-refs' types instead of base object nullness. Add check for
2261 pointer type data-refs before first location comparison. Remove
2264 2005-08-14 Andreas Schwab <schwab@suse.de>
2266 * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2268 2005-08-13 James E Wilson <wilson@specifix.com>
2270 * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2271 * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2272 -fstack-protector-all, --param ssp-buffer-size): Document.
2273 (-Wvariadic-macros): Alphabetize.
2274 (-fsched-stalled-insns-dep): Add missing 'f'.
2276 * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2279 2005-08-13 David Edelsohn <edelsohn@gnu.org>
2281 * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2282 or indirect address operand.
2283 (EXTRA_ADDRESS_CONSTRAINT): New.
2284 * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2286 2005-08-13 Sebastian Pop <pop@cri.ensmp.fr>
2288 PR tree-optimization/22236
2289 * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2290 successors and predecessors.
2291 * tree-chrec.c (chrec_convert): Before converting, check that
2292 sequences don't wrap.
2293 * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2294 (analyze_array): Extern.
2295 (find_data_references_in_loop): Remove call to
2296 compute_estimated_nb_iterations.
2297 * tree-data-ref.h (analyze_array): Declared.
2298 * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2299 single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2300 * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2301 * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2303 * tree-ssa-loop-ivcanon.c: Fix documentation.
2304 * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2305 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2306 (infer_loop_bounds_from_undefined): New.
2307 (estimate_numbers_of_iterations_loop): Use
2308 infer_loop_bounds_from_undefined.
2309 (used_in_pointer_arithmetic_p): New.
2310 (scev_probably_wraps_p): Pass an extra parameter. Call
2311 used_in_pointer_arithmetic_p. Check that AT_STMT is not null.
2312 (convert_step): Fix documentation.
2313 * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2314 Use initial_condition_in_loop_num and evolution_part_in_loop_num
2315 instead of CHREC_LEFT and CHREC_RIGHT. Adjust the call to
2316 scev_probably_wraps_p.
2318 2005-08-13 Ulrich Weigand <uweigand@de.ibm.com>
2320 * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2321 (s390_register_info): Ignore clobbered_regs information for fixed
2322 registers, and only fixed registers.
2323 (s390_init_frame_layout): Remove redundant call.
2325 2005-08-12 Gerald Pfeifer <gerald@pfeifer.com>
2327 * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2328 description of -Wold-style-casts.
2330 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2331 Jakub Jelinek <jakub@redhat.com>
2333 * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2334 * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2335 * config/s390/s390.c (print_operand): New output modifier 'G' added.
2336 (get_thread_pointer): Renamed to s390_get_thread_pointer.
2337 * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2338 TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2339 (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2340 (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2341 ("stack_protect_set", "stack_protect_test"): New expanders.
2342 ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2343 "stack_protect_testdi"): New insn definitions.
2345 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2347 * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2349 2005-08-12 Paul Brook <paul@codesourcery.com>
2351 * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2353 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2355 * config/s390/predicates.md (setmem_operand): New predicate.
2356 (shift_count_operand): Accept ANDs with special constants as
2358 * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2359 with special constants.
2360 * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2361 shift_count_operand with setmem_operand.
2363 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2365 * config/s390/s390.c (s390_extract_part, s390_single_part):
2367 (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2368 (s390_output_mi_thunk): Don't use lg on 31 bit.
2369 * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2370 ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2372 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2374 * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2375 (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2376 s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2377 s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2378 with one of the new macros.
2380 2005-08-12 Andreas Krebbel <krebbel1@de.ibm.com>
2382 * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2383 Don't set save_return_addr_p.
2384 (s390_register_info): Make clobbered_regs not depending on
2387 2005-08-12 Kaz Kojima <kkojima@gcc.gnu.org>
2389 * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2390 (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2392 2005-08-11 James E. Wilson <wilson@specifix.com>
2394 * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2396 2005-08-11 Jakub Jelinek <jakub@redhat.com>
2398 * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2399 locations gathered by var-tracking in single entry loc_list
2400 over loc_descriptor_from_tree.
2402 * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2403 pass it down to loc_descriptor.
2404 (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2405 (containing_function_has_frame_base): Move earlier in the file.
2406 (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2407 instead of always assuming fbreg can't be used.
2409 2005-08-11 David Edelsohn <edelsohn@gnu.org>
2411 * config/rs6000/altivec.md: Change constraint "m" to "Z".
2412 * config/rs6000/predicates.md (indexed_or_indirect_operand):
2413 Accept address wrapped in AND for Altivec.
2414 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2415 Strip AND wrapping offset address for Altivec.
2417 2005-08-11 Richard Henderson <rth@redhat.com>
2420 * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2421 before using TYPE_IS_SIZETYPE.
2423 2005-08-11 Richard Henderson <rth@redhat.com>
2426 * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2427 insn types not present on ev4.
2428 (alphaev5_insn_pipe): Similarly.
2430 2005-08-11 Richard Earnshaw <richard.earnshaw@arm.com>
2433 * arm.c (arm_override_options): If the user has selected callee-super-
2434 interworking, then enable normal interworking.
2436 2005-08-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2438 * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2441 2005-08-11 Wu Zhou <woodzltc@cn.ibm.com>
2443 * doc/rtl.texi: Fix two typos.
2445 2005-08-11 Richard Guenther <rguenther@suse.de>
2448 * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2449 cases where we call to/from functions returning void.
2451 2005-08-10 James A. Morrison <phython@gcc.gnu.org>
2454 * tree.c (build_pointer_type_for_mode): Robustify.
2456 2005-08-10 James E Wilson <wilson@specifix.com>
2458 * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2459 (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2461 * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2464 2005-08-10 Eric Christopher <echristo@apple.com>
2466 * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2467 * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2470 2005-08-10 Andrew Pinski <pinskia@physics.uc.edu>
2473 * config/darwin.c (machopic_indirect_data_reference): Use a new register
2474 for the high part when generating dynamic-no-pic code.
2476 2005-08-10 H.J. Lu <hongjiu.lu@intel.com>
2478 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2479 (x86_64-*-linux*): Likewise.
2481 * config/i386/crtfastmath.c: New file.
2482 * config/i386/t-crtfm: Likewise.
2484 * config/i386/linux.h (ENDFILE_SPEC): New.
2485 * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2487 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2490 2005-08-10 Dorit Nuzman <dorit@il.ibm.com>
2492 * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2493 (vec_shl, vec_shr): Document new operations.
2494 * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2496 2005-08-10 David Edelsohn <edelsohn@gnu.org>
2498 * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2499 * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2500 change predicate to indexed_or_indirect_address.
2502 2005-08-10 Richard Sandiford <richard@codesourcery.com>
2504 * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2505 * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2506 __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2507 and __aeabi_uwrite8.
2508 * config/arm/unaligned-funcs.c: New file.
2509 * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2511 2005-08-09 Paolo Bonzini <bonzini@gnu.org>
2513 * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2515 * cfglayout.c (pass_insn_locators_initialize): Add dump.
2516 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2518 * except.c (pass_convert_to_eh_region_ranges): Add dump.
2519 * final.c (pass_shorten_branches): Add dump.
2520 * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2521 (pass_life): Rename dump.
2522 (rest_of_handle_flow2): Remove initial verify_flow_info.
2523 * function.c (pass_instantiate_virtual_regs): Add dump.
2524 * integrate.c (pass_initial_value_sets): Add dump.
2525 * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2526 * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2527 (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2528 pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2529 (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2530 gate_rtl_unrool_and_peel_loops): New.
2531 (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2532 rtl_doloop): Do not look at flags.
2533 * mode-switching.c (pass_mode_switching): Add dump.
2534 * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2535 pass_split_before_regstack): Add dump.
2536 * regmove.c (pass_stack_adjustments): Add dump.
2537 * tree-optimize.c (pass_fixup_cfg): Add dump.
2539 2005-08-10 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2542 * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2543 deciding which instruction sequence to use.
2545 2005-08-09 Dorit Nuzman <dorit@il.ibm.com>
2547 * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2548 BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2550 2005-08-09 Richard Guenther <rguenther@suse.de>
2552 * c-common.c (builtin_function_2): Remove.
2553 (def_builtin_1): New function.
2554 (c_common_nodes_and_builtins): Use def_builtin_1 to
2555 build builtin functions.
2557 2005-08-09 Jie Zhang <jie.zhang@analog.com>
2559 * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2560 * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2561 * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2564 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2566 * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2567 fold_binary instead of fold_build2 since we don't care about the
2569 (loop_niter_by_eval): Likewise.
2570 (compare_trees): Likewise.
2571 (proved_non_wrapping_p): Likewise.
2573 2005-08-09 James A. Morrison <phython@gcc.gnu.org>
2577 * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2578 if the if is really empty.
2580 2005-08-09 Steven Bosscher <stevenb@suse.de>
2582 PR tree-optimization/23234
2583 * tree-ssa-math-opts.c (place_reciprocal): New enum.
2584 (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2585 argument of the new enum.
2586 (execute_cse_reciprocals): Add reciprocals for function arguments
2587 on the unique successor edge of the entry block. Update other calls
2588 to execute_cse_reciprocals_1.
2590 2005-08-08 Richard Henderson <rth@redhat.com>
2593 * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2595 2005-08-08 Bob Wilson <bob.wilson@acm.org>
2597 * expr.c (write_complex_part): Return after handling MEM.
2599 2005-08-08 Josh Conner <jconner@apple.com>
2601 PR rtl-optimization/23241
2602 * combine.c (simplify_comparison): Fix error in determining
2603 whether to lift a subreg from comparison.
2605 2005-08-08 David Edelsohn <edelsohn@gnu.org>
2608 * config/rs6000/altivec.md (vec_init<mode>): New.
2609 (vec_set<mode>): New.
2610 (vec_extract<mode>): New.
2611 * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2612 (rs6000_expand_vector_set): New.
2613 (rs6000_expand_vector_extract): New.
2614 (rs6000_legitimate_offset_address_p): Offset addresses are valid
2615 for Altivec modes before reload.
2616 (altivec_expand_vec_init_builtin): New.
2617 (get_element_number): New.
2618 (altivec_expand_vec_set_builtin): New.
2619 (altivec_expand_vec_ext_builtin): New.
2620 (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2622 (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2624 * config/rs6000/rs6000.h (rs6000_builtins): Add
2625 ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2626 ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2627 * config/rs6000/rs6000-protos.h: Declare new functions.
2629 2005-08-08 Jan Hubicka <jh@suse.cz>
2631 * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2632 (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2633 * i386.md (movdi*): Use pic_32bit_operand.
2634 * predicates.md (pic_32bit_operand): New.
2636 2005-08-08 Nathan Sidwell <nathan@codesourcery.com>
2639 * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2641 2005-08-07 James A. Morrison <phython@gcc.gnu.org>
2643 * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2644 (test_for_singularity): Use fold_build2.
2646 2005-08-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2648 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2650 2005-08-07 Danny Smith <dannysmith@users.sourceforge.net>
2652 * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2653 (COMMON_ASM_OP) Define.
2654 * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2655 (ix86_encode_section_info): Likewise.
2656 (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2657 SUBTARGET_ENCODE_SECTION_INFO.
2659 2005-08-06 Richard Henderson <rth@redhat.com>
2662 * tree-nested.c (convert_local_reference): Save and restore val_only
2663 around component_ref and friends. Clear walk_subtrees by default.
2665 2005-08-06 Peter O'Gorman <peter@pogma.com>
2668 * gcc.c (process_command): Check the argument to -b has a dash.
2669 * doc/invoke.texi: Update -b and -V docs.
2671 2005-08-06 James E Wilson <wilson@specifix.com>
2673 * config/mips/cross64.h, config/mips/t-cross64: Delete.
2675 2005-08-06 Michael Matz <matz@suse.de>
2677 * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2678 member only if only one insn is associated with the value.
2680 2005-08-06 Nick Clifton <nickc@redhat.com>
2682 * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2684 (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2685 * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2686 Check symbol flags instead of symbol name mangling.
2687 (xstormy16_asm_output_aligned_common): Likewise. Also
2688 simplify code since the bss100_section cass is the only case
2689 where the below100 code will be triggered.
2690 (xstormy16_encode_section_info): Encode below100 attribute
2691 using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2693 (xstormy16_strip_name_encoding): Delete - this function is no
2695 (TARGET_STRIP_NAME_ENCODING): Undefine.
2696 * config/stormy16/stormy16-protos.h: Delete prototype for
2697 xstormy16_strip_name_encoding.
2699 2005-08-06 Kazu Hirata <kazu@codesourcery.com>
2701 * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2702 config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2703 tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2704 config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2705 config/alpha/predicates.md, config/arc/arc.h,
2706 config/arm/arm.h, config/arm/ieee754-df.S,
2707 config/arm/ieee754-sf.S, config/bfin/bfin.c,
2708 config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2709 config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2710 config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2711 config/m68hc11/m68hc11.h, config/mips/mips.c,
2712 config/mips/mips.h, config/mips/openbsd.h,
2713 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2714 config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2715 config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2716 config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2717 config/sparc/linux.h, config/sparc/linux64.h,
2718 config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2719 doc/extend.texi, doc/gcov.texi, doc/install.texi,
2720 doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2721 typos. Follow spelling conventions.
2723 2005-08-06 Joseph S. Myers <joseph@codesourcery.com>
2726 * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2727 Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2728 specially. Check for side effects only for COND_EXPR.
2729 * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2730 return with TREE_NO_WARNING.
2732 2005-08-06 Richard Sandiford <richard@codesourcery.com>
2734 PR rtl-optimization/23233
2735 * loop.c (combine_movables): Require the modes to be the same.
2736 (move_movables): Remove handling of cases where the replacement
2737 had a different mode to the original.
2739 2005-08-05 James A. Morrison <phython@gcc.gnu.org>
2741 PR tree-optimization/23128
2742 * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2743 subtraction wrap, and set TREE_OVERFLOW if they do.
2745 2005-08-05 Richard Henderson <rth@redhat.com>
2748 * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2749 FORCED_LABEL labels.
2751 2005-08-05 J"orn Rennecke <joern.rennecke@st.com>
2754 * reload.c (find_reloads_subreg_address): Pass down TYPE
2755 unchanged. Change all callers except find_reloads_toplev.
2757 2005-08-05 Michael Matz <matz@suse.de>
2759 * genattrtab.c (current_alternative_string): Remove.
2760 (SIMPLIFY_ALTERNATIVE): Ditto.
2761 (attr_alt_bit_p): Ditto.
2762 (alternative_name): Make const char *.
2763 (evaluate_eq_attr): Remove use of above things.
2764 (simplify_test_exp): Ditto.
2765 (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2766 (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2768 2005-08-04 James E Wilson <wilson@specifix.com>
2770 * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2771 config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2772 config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2773 config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2774 (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2776 2005-08-04 Richard Henderson <rth@redhat.com>
2779 * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2780 * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2781 * tree-sra.c (decide_block_copy): Use it. Disable element copy
2782 if we'd have to instantiate too many members.
2784 2005-08-04 Richard Henderson <rth@redhat.com>
2787 * tree-outof-ssa.c (coalesce_asm_operands): New.
2788 (coalesce_ssa_name): Use it. Split out ...
2789 (coalesce_phi_operands, coalesce_result_decls): ... these.
2791 2005-08-04 Paul Brook <paul@codesourcery.com>
2793 * read-rtl.c (read_quoted_string): Break if EOF.
2795 2005-08-04 Andrew Pinski <pinskia@physics.uc.edu>
2797 * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2798 (fold_build2): Likewise.
2799 (fold_build3): Likewise.
2800 (fold_build1_stat): New function prototype.
2801 (fold_build2_stat): Likewise.
2802 (fold_build3_stat): Likewise.
2803 * fold-const.c (fold_build1): Rename to ..
2804 (fold_build1_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2805 through to build1_stat.
2806 (fold_build2): Rename to ..
2807 (fold_build2_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2808 through to build2_stat.
2809 (fold_build3): Rename to ..
2810 (fold_build3_stat): this. Add MEM_STAT_DECL. Pass the mem stats
2811 through to build3_stat.
2813 2005-08-04 David Edelsohn <edelsohn@gnu.org>
2814 Ian Lance Taylor <ian@airs.com>
2816 * function.c (assign_stack_local_1): Do not correct stack slot
2817 address if allocation size is smaller than mode size.
2819 2005-08-04 Diego Novillo <dnovillo@redhat.com>
2822 * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2823 (tree_merge_blocks): Propagate anything allowed by
2825 Clarify documentation.
2826 * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2827 SSA form, schedule an update if necessary.
2829 2005-08-04 Gerald Pfeifer <gerald@pfeifer.com>
2831 * doc/install.texi (Binaries): Remove broken link to
2832 Sinix/Reliant Unix binaries.
2834 2005-08-03 Richard Henderson <rth@redhat.com>
2837 * function.c (stack_protect_epilogue): Export.
2838 * tree.h (stack_protect_epilogue): Declare.
2839 * calls.c (expand_call): Call it.
2841 2005-08-03 Eric Christopher <echristo@apple.com>
2843 * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2844 * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2847 2005-08-04 Jan Hubicka <jh@suse.cz>
2849 * profile.c (branch_prob): Split edges with goto locus on them
2850 to get proper line counts.
2851 * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2853 2005-08-03 Paul Brook <paul@codesourcery.com>
2855 * function.c (assign_parms): Round current_function_args_size
2856 to PARM_BOUNDARY, not STACK_BOUNDARY.
2858 2005-08-03 Geoffrey Keating <geoffk@apple.com>
2860 * config/i386/i386.c (x86_elf_aligned_common)
2861 (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2863 2005-08-03 Zdenek Dvorak <dvorakz@suse.cz>
2865 PR tree-optimization/23157
2866 * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2867 before emitting them.
2869 2005-08-03 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2871 PR tree-optimization/19899
2872 * Makefile.in (tree-scalar-evolution.o): Add real.h.
2873 * tree-scalar-evolution.c: Include real.h.
2874 (add_to_evolution): Build constant -1 of correct type.
2876 2005-08-03 Jan Hubicka <jh@suse.cz>
2878 * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2879 * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2880 profile updating for complette unrolling.
2881 * loop-unroll.c (peel_loop_completely): Use it.
2882 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2883 (tree_unroll_loops_completely): Disable code growing unrolling of cold
2886 2005-08-03 Paul Brook <paul@codesourcery.com>
2888 * combine.c (can_change_dest_mode): New function.
2889 (try_combine, simplify_set): Use it.
2891 2005-08-03 Eric Botcazou <ebotcazou@adacore.com>
2893 * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2896 2005-08-03 Gerald Pfeifer <gerald@pfeifer.com>
2898 * doc/install.texi (Specific): Adjust link to openavr.org.
2899 (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2900 (Binaries): Adjust HP-UX Porting Center link.
2901 (Binaries): Adjust Free Software Foundation ordering link.
2903 2005-08-03 Andrew Pinski <pinskia@physics.uc.edu>
2905 * convert.c (convert_to_integer): Use fold_build1 instead of
2906 build1 when converting an integer to an integer.
2908 2005-08-02 Richard Henderson <rth@redhat.com>
2910 * combine.c (combine_instructions): Don't use reg_equal/equiv
2911 results if the mode doesn't match.
2913 2005-08-02 Mark Mitchell <mark@codesourcery.com>
2915 * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2916 * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2918 2005-08-02 Richard Henderson <rth@redhat.com>
2921 * explow.c (memory_address): Remove special-case for
2922 virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2924 2005-08-02 Diego Novillo <dnovillo@redhat.com>
2927 * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2928 number of calls to cleanup_tree_cfg_1.
2930 2005-08-02 Martin Reinecke <martin@mpa-garching.mpg.de>
2932 * doc/invoke.texi: document file extensions .F90 and .F95
2934 2005-08-02 Richard Guenther <rguenther@suse.de>
2936 * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2937 positive if its first argument is positive.
2939 2005-08-02 Richard Guenther <rguenther@suse.de>
2941 PR tree-optimization/23177
2942 * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2945 2005-08-02 James A. Morrison <phython@gcc.gnu.org>
2947 PR tree-optimization/23129
2948 * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2949 varying for divisions with anti-ranges.
2951 2005-08-02 Jan Hubicka <jh@suse.cz>
2953 * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2954 * tree-ssa-threadupdate.c (thread_block): Add it here.
2956 2005-08-01 James E Wilson <wilson@specifix.com>
2958 * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2959 TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2960 * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2962 * config/mips/predicates.md (const_call_insn_operand): Add check for
2963 SYMBOL_REF_LONG_CALL_P.
2964 * doc/extend.texi (long_call): Document the new attribute.
2966 2005-08-01 Ian Lance Taylor <ian@airs.com>
2967 Richard Henderson <rth@redhat.com>
2969 * Makefile.in (RTL_BASE_H): Add real.h.
2970 * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
2972 * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
2974 * rtl.c (rtl_check_failed_code_mode): New.
2975 * rtl.h (struct rtx_def): Add u.rv.
2976 (XCMWINT, XCNMPRV): New.
2977 (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
2978 (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
2980 2005-08-01 Richard Henderson <rth@redhat.com>
2982 * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
2983 with auto-inc codes.
2985 * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
2987 2005-08-01 Jan Hubicka <jh@suse.cz>
2989 * i386-protos.h (asm_preferred_eh_data_format): Declare.
2990 * i386.c: Include dwarf2.h
2991 (asm_preferred_eh_data_format): New.
2992 * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
2994 2005-08-01 Ian Lance Taylor <ian@airs.com>
2996 * config/host-linux.c (linux_gt_pch_get_address): Add new name
2997 randomize_va_space for virtual address randomization control.
2999 2005-08-01 Steven Bosscher <stevenb@suse.de>
3001 * common.opt (flag_ipa_cp): Put in right place to maintain
3004 2005-08-01 Jan Hubicka <jh@suse.cz>
3006 * profile.c (compute_value_histograms): Fix thinko.
3007 * value-prof.c: Include toplev.h
3008 (check_counter): New function.
3009 (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3010 tree_mod_subtract_transform): Add sanity check.
3012 2005-08-01 Richard Guenther <rguenther@suse.de>
3014 PR tree-optimization/23133
3015 * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3016 current functions parameter decls to find defs to cse
3019 2005-08-01 Richard Guenther <rguenther@suse.de>
3021 PR tree-optimization/23109
3022 * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3023 If trapping math is in effect, use post-dominator information
3024 to check if we'd in any case reach a trapping point before
3025 doing the reciprocal insertion.
3026 (execute_cse_reciprocals): Compute post-dominators, if necessary.
3027 * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3028 expressions are invariant only if trapping math is not in effect.
3030 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3032 * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3033 cgraph_function_versioning): New declarations.
3034 * cgraphunit.c: Add include to ipa-prop.h.
3035 (update_call_expr, cgraph_copy_node_for_versioning,
3036 cgraph_function_versioning): New functions.
3037 * integrate.c (copy_decl_for_inlining): Remove.
3038 * ipa-prop.h (ipa_replace_map): New struct.
3039 (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3040 * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3041 ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3042 ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3043 ipcp_iterate_stage, ipcp_method_scale_print,
3044 ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3045 ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3046 ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3047 ipcp_update_bb_counts, ipcp_update_profiling,
3048 ipcp_update_edges_counts): New functions.
3049 (ipcp_method_cval_init): Remove restriction regarding local methods.
3050 (ipcp_init_stage): Add ipcp_method_compute_scale.
3051 (ipcp_insert_stage): Add versioning.
3052 (ipcp_structures_print): Add ipcp_method_scale_print.
3053 (ipcp_driver): Dump profiling info.
3054 * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3055 Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3056 * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3057 (struct inline_data): Add versioning_p, ipa_info, new fields.
3058 (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3059 declare_return_variable): Replace calls to copy_decl_for_inlining with
3061 (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3063 (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3064 Add argument VERSIONING.
3065 (copy_arguments_for_versioning, copy_static_chain,
3066 function_versionable_p, tree_versionable_function_p,
3067 tree_function_versioning, replace_ref_tree): New functions.
3068 * tree-inline.h: Include varray.h.
3069 (tree_versionable_function_p, tree_function_versioning,
3070 tree copy_decl_for_dup): New declarations.
3072 2005-08-01 Razya Ladelsky <razya@il.ibm.com>
3074 * ipa-cp.c: New file. Contains IPCP specific functionality.
3075 * ipa-prop.h: New file. Contains structures/definitions that can be
3076 used by several interprocedural data flow optimizations (and also IPCP).
3077 * ipa-prop.c: New file.
3078 * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3079 * common.opt: Add ipa-cp flag.
3080 * timevar.def: Add IPCP optimization.
3081 * tree-optimize.c (init_tree_optimization_passes): Schedule
3083 * tree-pass.h (pass_ipa_cp): Declare.
3085 2005-08-01 Kazu Hirata <kazu@codesourcery.com>
3087 * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3088 loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3089 tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3090 config/i386/i386.c, config/mips/mips.h,
3091 config/rs6000/rs6000.h, config/sh/sh.c,
3092 config/stormy16/stormy16.c: Fix comment typos.
3094 2005-08-01 Joseph S. Myers <joseph@codesourcery.com>
3097 * c-typeck.c (build_binary_op): Use common_type wrapper on
3099 (common_type): Update comment.
3101 2005-07-31 Steven Bosscher <stevenb@suse.de>
3104 * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3105 (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3106 * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3108 2005-07-31 Jan Hubicka <jh@suse.cz>
3110 * pretty-print.h (pp_widest_integer): New macro.
3111 * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3114 2005-07-31 Jan Hubicka <jh@suse.cz>
3116 * output.h (enum section_category): Export from varasm.c
3117 (categorize_decl_for_section): Likewise.
3118 * varasm.c (enum section_category): Kill.
3119 (categorize_decl_for_section): Make global.
3120 * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3122 * i386.c (ix86_section_threshold): New static variable.
3123 (ix86_in_large_data_p, ix86_encode_section_info,
3124 x86_64_elf_unique_section,
3125 x86_64_elf_select_section): New functions.
3126 (TARGET_ENCODE_SECTION_INFO): Define
3127 (override_options): Enable medium model for PIC.
3128 (ix86_expand_prologue): Expand gen_set_got_rex64.
3129 (legitimate_constant_p): Handle new UNSPECs.
3130 (legitimate_pic_address_disp_p): Likewise.
3131 (legitimize_pic_address): Lower MEDIUM model addressing.
3132 * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3133 (enum cmodel): Add MEDIUM_PIC.
3134 (SYMBOL_REF_FAR_ADDR_P): New macro.
3135 (SYMBOL_FLAG_FAR_ADDR): New flag.
3136 * i386.md (movdi): Support medium model.
3137 (set_got_rex64): New pattern.
3138 * i386.opt (mlarge-data-threshold): New flag.
3139 * predicates.md (zext_operand/sext_operand): Deal with medium model.
3140 * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3141 (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3142 TARGET_ASM_UNIQUE_SECTION): New.
3144 * invoke.texi (-mlarge_data_threshold): Document
3146 2005-07-31 Jan Hubicka <jh@suse.cz>
3148 * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3149 (coalesce_vars): Likewise.
3150 * tree-ssa-live.c (coalesce_cost): New.
3151 (build_tree_conflict_graph): Use coalesce_cost.
3152 * tree-ssa-live.h (coalesce_cost): Declare.
3154 2005-07-30 Richard Earnshaw <richard.earnshaw@arm.com>
3156 * arm.md (all peepholes for post-increment operations): Delete.
3157 (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3158 (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3159 (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3160 (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3161 (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3163 2005-07-30 James A. Morrison <phython@gcc.gnu.org>
3165 * fold-const.c (tree_expr_nonnegative_p): Always return true for
3168 2005-07-29 Wolfgang Bangerth <bangerth@dealii.org>
3171 * doc/invoke.texi: Document -rdynamic.
3173 2005-07-30 Joseph S. Myers <joseph@codesourcery.com>
3176 * c-parser.c (c_parser_parms_list_declarator): Call
3177 mark_forward_parm_decls.
3178 * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3179 decls with visibility structure.
3181 2005-07-30 Paul Brook <paul@codesourcery.com>
3183 * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3185 2005-07-30 Paul Brook <paul@codesourcery.com>
3187 * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3189 * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3191 * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3193 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3196 * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3197 nested function declarators.
3198 (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3199 (grokparms): Call warn_if_shadowing for parameters used within the
3201 (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3202 not used within the parameter list.
3203 (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3205 2005-07-30 Jan Hubicka <jh@suse.cz>
3207 * expr.c (expand_expr_real_1): Do not load mem targets into register.
3208 * i386.c (ix86_fixup_binary_operands): Likewise.
3209 (ix86_expand_unary_operator): Likewise.
3210 (ix86_expand_fp_absneg_operator): Likewise.
3211 * optabs.c (expand_vec_cond_expr): Validate dest.
3213 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3216 * real.c (real_from_string): Also set last bit if there is a
3217 nonzero hex digit beyond GCC's internal precision after ".".
3219 2005-07-29 David Edelsohn <edelsohn@gnu.org>
3221 * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3222 define_constants. Change duplicate values to unassigned numbers.
3223 Change UNSPEC_SUBS to UNSPEC_VSUBS.
3224 (*altivec_vspltsf): New.
3225 (altivec_vperm_v4sf): Delete.
3226 (altivec_vperm_<mode>): Use mode macro V.
3227 (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3228 (altivec_predicate_v4sf): Delete.
3229 (altivec_predicate_<mode>): Use mode macro V.
3230 (*altivec_lvesfx): New.
3231 (*altivec_stvesfx): New.
3232 (vec_realign_load_v4sf): Delete.
3233 (vec_realign_load_<mode>): Use mode macro V.
3234 * config/rs6000/rs6000.c (generate_set_vrsave): Use
3237 2005-07-29 Mark Mitchell <mark@codesourcery.com>
3240 * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3242 * configure: Regenerated.
3244 2005-07-29 Paul Brook <paul@codesourcery.com>
3246 * doc/install.texi: Add link to GFortran binaries wiki page.
3248 2005-07-29 David Ung <davidu@mips.com>
3250 * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3251 (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3252 * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3253 * config/mips/mips.md (cpu): Add 5kf name.
3254 (includes): Includes 5k.md.
3255 * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3256 * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3259 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3262 * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3263 (cleanup_tree_cfg): ... here.
3264 Call cleanup_tree_cfg_1 until there are no more cleanups to
3267 2005-07-29 James A. Morrison <phython@gcc.gnu.org>
3269 * tree-vrp.c (compare_range_with_value): Return true or false
3270 for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3271 EQ_EXPR respectively.
3273 2005-07-29 Kazu Hirata <kazu@codesourcery.com>
3275 * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3278 2005-07-29 Diego Novillo <dnovillo@redhat.com>
3280 * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3281 (tree_ssa_dominator_optimize): Increment it.
3282 (dump_dominator_optimization_stats): Print it.
3284 2005-07-29 Richard Earnshaw <richard.earnshaw@arm.com>
3285 Steven Bosscher <stevenb@suse.de>
3287 PR rtl-optimization/23117
3288 * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3289 when head == tail. Tidy comment.
3291 2005-07-28 Richard Henderson <rth@redhat.com>
3293 * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3294 * cselib.c (rtx_equal_for_cselib_p): Likewise.
3295 * jump.c (rtx_renumbered_equal_p): Likewise.
3296 * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3297 CONST_INT and CONST_DOUBLE.
3298 (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3299 * reload.c (operands_match_p): Special case CONST_INT and
3300 CONST_DOUBLE; check mode earlier.
3302 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3305 * c-typeck.c (convert_for_assignment): Do not check
3306 DECL_IN_SYSTEM_HEADER on NULL fundecl.
3308 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3311 * c-typeck.c (composite_type): Prefer constant size arrays to
3314 2005-07-29 Joseph S. Myers <joseph@codesourcery.com>
3317 * real.c (real_from_string): Set last bit if there is a nonzero
3318 hex digit beyond GCC's internal precision.
3320 2005-07-28 Richard Henderson <rth@redhat.com>
3323 * cfgcleanup.c (try_forward_edges): Watch out for end of
3326 2005-07-28 James E Wilson <wilson@specifixinc.com>
3329 * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3331 2005-07-28 Jan Hubicka <jh@suse.cz>
3333 * Makefile.in (rtl-profile.o): Kill all traces of it.
3334 * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3335 * coverage.h (rtl_coverage_counter_ref): Kill.
3336 * opts.c (flag_speculative_prefetching_set): Kill.
3337 (flag_loop_optimize_set): New.
3338 (common_handle_option): Disable loop optimizer when profiling;
3339 do not handle speculative prefetching.
3340 * passes.c (init_optimization_passes): Replace pass_profiling combo
3341 by branch_prob pass.
3342 * profile.c (compute_value_histograms): Update for simplified value
3344 (rtl_register_profile_hooks): Kill.
3345 (pass_profiling): Kill.
3346 (rest_of_handle_branch_prob): Do not profile.
3347 * toplev.c (process_options): Remove speculative prefetching.
3348 * toplev.h (flag_tree_based_profiling): Kill.
3349 * tree-profile.c (prepare_instrumented_value,
3350 tree_gen_interval_profiler, tree_gen_pow2_profiler,
3351 tree_gen_one_value_profiler, do_tree_profiling): Update for
3352 simplified datastructures.
3353 * value-prof.c: Add comment that speculative prefetching was dropped;
3354 update rest of file for simplified datastructures.
3355 (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3356 rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3357 find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3358 rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3359 rtl_mod_subtract, gen_speculative_prefetch,
3360 rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3361 rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3362 (gate_handle_value_profile_transformations,
3363 rest_of_handle_value_profile_transformations,
3364 pass_value_profile_transformations): Kill.
3365 * value-prof.h (histogram_value_t): Remove IL based unions.
3366 (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3367 rtl_profile_hooks): Remove hooks.
3369 * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3371 * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3372 (cgraph_clone_node): Likewise.
3373 * cgraph.h (cgraph_clone_edge): Update prototype.
3374 (cgraph_clone_node): Likewise.
3375 * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3377 (lookup_recursive_calls): Consider profile.
3378 (cgraph_decide_recursive_inlining): Fix updating; use new
3379 probability argument; use profile.
3380 * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3381 * tree-inline.c (copy_bb): Update clal of clone_edge.
3382 * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3384 * invoke.texi (min-inline-recursive-probability): Document.
3386 2005-07-28 Gerald Pfeifer <gerald@pfeifer.com>
3388 * doc/install.texi (Configuration): Update Valgrind homepage.
3390 2005-07-28 Richard Henderson <rth@redhat.com>
3393 * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3394 labels we want to delete.
3395 (cfg_layout_merge_blocks): Likewise.
3397 2005-07-28 Richard Henderson <rth@redhat.com>
3400 * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3401 when expanding to nothing.
3403 2005-07-28 Josh Conner <jconner@apple.com>
3405 * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3406 (cgraph_decide_inlining_of_small_functions): Likewise.
3408 2005-07-28 Josh Conner <jconner@apple.com>
3410 * ipa-inline.c (cgraph_edge_badness): Update comments. Invert shift
3411 direction of badness if negative.
3412 (cgraph_default_inline_p): Add reason to parameters, and assign it
3414 (cgraph_decide_inlining_of_small_functions): New parameter in call
3415 to cgraph_default_inline_p.
3416 (cgraph_decide_inlining_incrementally): Likewise.
3417 * cgraphunit.c (decide_is_function_needed): Likewise.
3418 * cgraph.h (cgraph_default_inline_p): Likewise.
3420 2005-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3422 * builtins.c: Fix comment typo(s).
3423 * genautomata.c: Likewise.
3424 * gimplify.c: Likewise.
3425 * tree-dfa.c: Likewise.
3426 * tree-flow-inline.h: Likewise.
3427 * tree-into-ssa.c: Likewise.
3428 * tree-ssa-alias.c: Likewise.
3429 * tree-ssa-ccp.c: Likewise.
3430 * tree-ssa-copy.c: Likewise.
3431 * tree-ssa-dce.c: Likewise.
3432 * tree-ssa-dom.c: Likewise.
3433 * tree-ssa-operands.c: Likewise.
3434 * tree-tailcall.c: Likewise.
3435 * tree-vectorizer.c: Likewise.
3436 * tree-vrp.c: Likewise.
3439 2005-07-28 Jeff Law <law@redhat.com>
3441 * tree-vrp.c (test_for_singularity): Extracted from ...
3442 (simplify_cond_using_ranges): Attempt to simplify a relational
3443 test to NE_EXPR. Dump information when a COND_EXPR is simplified.
3445 2005-07-28 Dorit Nuzman <dorit@il.ibm.com>
3447 PR tree-optimization/22506
3448 * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3449 phis whose argument is constant.
3451 2005-07-28 J"orn Rennecke <joern.rennecke@st.com>
3453 PR rtl-optimization/18992
3454 Back out this patch:
3455 2003-10-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3456 PR optimization/12142
3457 * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3458 uses of the register in the SET_SRC. Remove unnecessary argument.
3460 Replace it with this:
3461 * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3462 if flag_non_call_exceptions is set and the insn may trap, pass
3463 pc_rtx as dest for recursion.
3464 In SET_SRC part of SET case, if dest is already set, pass it down
3467 2005-07-28 Jan Hubicka <jh@suse.cz>
3469 * cfg.c (update_bb_profile_for_threading): Use RDIV.
3470 (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3471 (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3473 * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3474 profile when available.
3476 2005-07-28 Jan Beulich <jbeulich@novell.com>
3478 * config/ia64/ia64.c (ia64_load_pair_ok): New.
3479 (ia64_print_operand): Describe and handle 'X'.
3480 (ia64_register_move_cost): Also handle FP_REGS.
3481 (ia64_preferred_reload_class): Likewise.
3482 (ia64_secondary_reload_class): Likewise.
3483 (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3484 it. Also check for ITANIUM_CLASS_FLDP.
3485 * config/ia64/ia64.h (FP_REGNO_P): New.
3486 (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3487 (reg_class): Add FP_REGS.
3488 (REG_CLASS_NAMES): Adjust for it.
3489 (REG_CLASS_CONTENTS): Likewise.
3490 (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3491 (REG_CLASS_FROM_LETTER): Handle 'x'.
3492 (CLASS_MAX_NREGS): Handle FP_REGS.
3493 (MEMORY_MOVE_COST): Likewise.
3494 * config/ia64/ia64.md (itanium_class): Add fldp.
3495 (type): Handle fldp.
3496 (movti_internal): More allowable operand combinations. Use ldfp8 when
3497 splitting unnecessary. Remove predicable attribute. Adjust
3498 itanium_class attribute.
3499 (smuldi3_highpart): Remove outdated comment.
3500 (mulditi3, umulditi3, rotlti3): New expanders.
3501 (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3502 (absti2): Disabled new insn for future reference.
3503 Respective new splitters.
3504 * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3505 * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3506 * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3508 2005-07-25 James A. Morrison <phython@gcc.gnu.org>
3510 PR rtl-optimization/23047
3511 * simplify-rtx.c (simplify_const_relational_operation): Respect
3512 flag_wrapv for comparisons with ABS.
3514 2005-07-27 James A. Morrison <phython@gcc.gnu.org>
3516 PR tree-optimization/22493
3517 * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3518 VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3520 2005-07-27 Aldy Hernandez <aldyh@redhat.com>
3522 * config/frv/frv.opt (moptimize-membar): New.
3524 * doc/invoke.texi: Document -moptimize-membar and its inverse.
3526 * config/frv/frv.h: Remove machine_function definition.
3528 * config/frv/frv.c (struct frv_io): New.
3529 (struct machine_function): Moved from frv.h. Add has_membar_p.
3530 (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3531 (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3532 (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3533 (frv_optimize_membar_global, frv_optimize_membar): New functions.
3534 (frv_reorg): Call frv_optimize_membar when appropriate.
3535 (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3536 (frv_expand_builtin): Adjust calls accordingly.
3537 (frv_io_address_cookie): New function.
3538 (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3539 load or store rather than a special insn. Add ccnstant address and
3540 io-type operands to the membar.
3541 (frv_ifcvt_modify_tests): Unsign regno.
3542 (frv_ifcvt_modify_tests): Same.
3544 * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}. Change
3545 UNSPEC_OPTIONAL_MEMBAR constant.
3546 (builtin_read_<mode>): Delete.
3547 (builtin_write_<mode>): Delete.
3548 ("optional_membar_<mode>"): Add operand.
3550 * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3551 * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3552 * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3553 * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3554 * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3555 * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3556 * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3557 * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3558 * testsuite/gcc.target/frv/all-read-write-1.c: New.
3560 2005-07-28 Kaz Kojima <kkojima@gcc.gnu.org>
3562 * df.c (df_uses_record): Handle SCRATCH.
3564 2005-07-28 Steven Bosscher <stevenb@suse.de>
3567 * passes.c (rest_of_decl_compilation): If decl is a type and
3568 we have encountered errors, don't emit debug information.
3570 2005-07-27 Kenneth Zadeck <zadeck@naturalbridge.com>
3572 * params.def: Fixed comment.
3574 2005-07-27 Bjoern Haase <bjoern.m.haase@web.de>
3577 * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3578 (TARGET_ASM_UNALIGNED_HI_OP): Add.
3579 (TARGET_ASM_UNALIGNED_SI_OP): Add.
3581 2005-07-27 Steven Bosscher <stevenb@suse.de>
3584 * varasm.c (assemble_start_function): Don't do anything that may
3585 require a CFG if the current function is a thunk.
3587 2005-07-25 Geoffrey Keating <geoffk@apple.com>
3589 * doc/install.texi (Prerequisites): Mention that perl is needed
3590 to do export control in libstdc++ targetting Darwin.
3592 2005-07-27 Steven Bosscher <stevenb@suse.de>
3594 PR rtl-optimization/17808
3595 * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3596 (sched_insns_conditions_mutex_p): Split out from...
3597 (add_dependence): ...here. But don't call it from here.
3598 (add_dependence_list): Check sched_insns_conditions_mutex_p
3599 before calling add_dependence.
3600 (add_dependence_list_and_free): Likewise.
3601 (fixup_sched_groups): Likewise.
3602 (sched_analyze_1): Likewise.
3603 (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3604 (sched_analyze): Likewise.
3605 (sched_analyze_insn): Likewise.
3606 * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3607 * sched-rgn.c (add_branch_dependences): Likewise. Also, add
3608 dependencies on all COND_EXEC insns to jumps ending basic blocks
3609 when doing intrablock scheduling.
3610 * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3612 2005-07-27 Jeff Law <law@redhat.com>
3614 * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3615 meeting a VR_ANTI_RANGE with a VR_RANGE. When intersecting
3616 equivalency sets, correctly handle the case were vr0 has an
3617 equivalency set, but vr1 does not.
3619 2005-07-27 Dorit Nuzman <dorit@il.ibm.com>
3621 PR tree-optimization/23073
3622 * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3623 vect_print_dump_info before fprintf.
3625 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3627 PR tree-optimize/22348
3628 * tree-ssa-loop-niter.c (number_of_iterations_cond):
3629 Fold the partial computation.
3631 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3633 PR tree-optimization/22325
3634 * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3636 * tree-scalar-evolution.c (scev_const_prop): Add generic final
3638 * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3639 (force_var_cost): ... this function.
3640 (compute_phi_arg_on_exit): Export.
3642 2005-07-27 Zdenek Dvorak <dvorakz@suse.cz>
3644 PR tree-optimization/20773
3645 * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3648 2005-07-27 Richard Guenther <rguenther@suse.de>
3650 * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3651 Avoid pushing again if current struct contains only
3652 fields we decomposed.
3654 2005-07-27 Jan Hubicka <jh@suse.cz>
3656 PR tree-optimization/22574
3657 * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3660 * tree-tailcall.c (decrease_profile): New function.
3661 (eliminate_tail_call): Use it.
3663 * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3664 visibility flags correctly in whole program mode.
3666 2005-07-26 Steve Ellcey <sje@cup.hp.com>
3668 PR rtl-optimization/22472
3669 * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3671 2005-07-26 Steven Bosscher <stevenb@suse.de>
3673 PR tree-optimization/22504
3674 * tree-complex.c (expand_complex_addition): Use 'code' instead
3675 of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3677 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3679 * config.gcc (cpu_type): Add frv case.
3680 (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3681 (supported_defaults): Add fr550 case.
3683 2005-07-26 Diego Novillo <dnovillo@redhat.com>
3686 * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3687 whether a pointer of type T * may point to objects of type T *.
3689 2005-07-26 DJ Delorie <dj@redhat.com>
3691 * configure: Regenerate.
3693 2005-07-26 Dale Johannesen <dalej@apple.com>
3695 * postreload-gcse.c (alloc_mem): Start CUID numbering at 1.
3697 2005-07-26 Mark Mitchell <mark@codesourcery.com>
3699 * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3700 Clarify use of "build" in name.
3702 2005-07-26 Aldy Hernandez <aldyh@redhat.com>
3704 * doc/extend.texi (Raw read/write Functions): New section.
3705 * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3706 * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3707 * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3708 * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3709 * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3710 * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3711 * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3712 * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3713 * config/frv/frv.c: Add bdesc_loads global.
3714 Add bdesc_stores global.
3715 (frv_init_builtins): Add support for __builtin_{read/write}*.
3716 (frv_volatile_memref): New.
3717 (frv_expand_load_builtin): New.
3718 (frv_expand_store_builtin): New.
3719 * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3720 FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3721 FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3722 FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3723 * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3724 UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3725 (builtin_read_<mode>): New.
3726 (builtin_write_<mode>): New.
3727 (builtin_write64): New.
3728 (optional_membar_<mode>): New.
3730 2005-07-26 J"orn Rennecke <joern.rennecke@st.com>
3732 * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3733 (rather than units) against HOST_BITS_PER_WIDE_INT.
3735 2005-07-26 Kazu Hirata <kazu@codesourcery.com>
3737 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3738 ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3739 ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3740 config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3743 * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3744 tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3745 config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3747 * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3749 2005-07-26 Richard Guenther <rguenther@suse.de>
3751 PR tree-optimization/22486
3752 * fold-const.c (fold_unary): Fold away useless component
3753 references of the form (T *)&T.x, if the address
3756 2005-07-25 James E Wilson <wilson@specifixinc.com>
3758 * dwarf2out.c (add_call_src_coords_attributes): New.
3759 (gen_inlined_subroutine_die): Call it.
3760 (maybe_emit_file, init_file_table): Add comments.
3761 (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3763 * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3764 (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3765 * tree.h (BLOCK_SOURCE_LOCATION): New.
3766 (struct tree_block): New field locus.
3768 2005-07-26 Andreas Schwab <schwab@suse.de>
3770 PR rtl-optimization/23043
3771 * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3772 when allocating a struct unoccr.
3774 2005-07-25 Richard Henderson <rth@redhat.com>
3777 * tree-complex.c (gate_no_optimization): True if errors.
3778 * Makefile.in (tree-complex.o): Update dependencies.
3780 2005-07-25 Aldy Hernandez <aldyh@redhat.com>
3782 * config/frv/predicates.md (integer_register_operand): Use
3785 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3788 * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3790 * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3792 2005-07-25 Andrew Pinski <pinskia@physics.uc.edu>
3794 * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3795 types when flag_unsafe_math_optimizations is true.
3797 2005-07-25 Mark Mitchell <mark@codesourcery.com>
3799 * gcc.c (option_map): Add --sysroot.
3800 (process_command): Handle --sysroot.
3801 (display_help): Document it.
3802 * doc/cppopts.tex (-isysroot): Document.
3803 * doc/invoke.texi (--sysroot): Document.
3804 * doc/install.texi (--with-build-sysroot): Document.
3806 * Makefile.in (inhibit_libc): New variable.
3807 (INHIBIT_LIBC_CFLAGS): Likewise.
3808 (LIBGCC2_CFLAGS): Include
3809 $(INHIBIT_LIBC_CFLAGS).
3810 (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3811 ($(T)crtbegin.o): Do not use @inhibit_libc@.
3812 ($(T)crtend.o): Likewise.
3813 ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3814 ($(T)crtendS.o): Likewise.
3815 ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3816 ($(T)crtendT.o): Likewise.
3817 (stmp-fixinc): Do not complain about missing headers if
3819 * configure.ac (inhibit_libc): Set it to true/false.
3820 (--with-build-sysroot): New option. Use it to set
3822 * configure: Regenerated.
3824 2005-07-25 Manfred Hollstein <mh@suse.com>
3826 * calls.c (store_one_arg): Fix unsigned comparison warning.
3828 2005-07-25 Serge Belyshev <belyshev@depni.sinp.msu.ru>
3831 * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3832 (ggc_print_statistics): Initialize variable before use.
3834 2005-07-25 Richard Guenther <rguenther@suse.de>
3836 * tree-dfa.c (mark_new_vars_to_rename): Protect against
3837 calling with a PHI_NODE argument.
3839 * tree-flow-inline.h (overlap_subvar): Protect against
3842 2005-07-25 Paolo Bonzini <bonzini@gnu.org>
3844 * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3845 * configure: Regenerate.
3847 2005-07-25 Ira Rosen <irar@il.ibm.com>
3849 * expr.c (highest_pow2_factor): Make extern.
3850 * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3851 (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3852 record_array_differ_p, array_ptr_differ_p): Likewise.
3853 (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3854 additional cases. Call the above functions.
3855 (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3856 base_object_differ_p when there are two base objects. Otherwise, compare
3857 base address and offset. Call may_alias_p.
3858 (dump_data_reference): Use a correct field name.
3859 (analyze_array): Make static. Initialize new data-ref fields.
3860 (analyze_indirect_ref): New function.
3861 (init_data_ref): Initialize new data-ref fields.
3862 (strip_conversion): Moved from tree-vect-analyze.c.
3863 (analyze_offset_expr, get_ptr_offset, address_analysis,
3864 object_analysis): Likewise.
3865 (analyze_offset): New function.
3866 (create_data_ref): Likewise.
3867 (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3868 dimensions for ARRAY_REFs only.
3869 (build_classic_dist_vector): Make static.
3870 (access_functions_are_affine_or_constant_p): Call macro to get the
3871 address of access functions.
3872 (compute_all_dependences): Add new parameter
3873 compute_self_and_read_read_dependences. Compute self and read-read
3874 dependences if it is true.
3875 (find_data_references_in_loop): Call create_data_ref. Initialize new
3877 (compute_data_dependences_for_loop): Add new parameter
3878 compute_self_and_read_read_dependences. Remove parameter nb_loops,
3879 compute nb_loops. Call compute_all_dependences,
3880 build_classic_dist_vector and build_classic_dir_vector with correct
3882 (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3883 with correct parameters. Compare dimensions for ARRAY_REFs only.
3884 (free_data_refs): Call macro to free access functions.
3885 * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3886 fields from stmt_vinfo.
3887 (struct base_object_info): New structure.
3888 (struct data_reference): Move fields to base_object_info. Add fields
3889 first_location and object_info for above structures. Move fields from
3890 stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3891 aligned_to. Add macros to access the new fields.
3892 Update functions declarations.
3893 * tree-flow.h (is_aliased_with): Declare.
3894 * tree-loop-linear.c (linear_transform_loops): Call
3895 compute_data_dependences_for_loop with correct parameters.
3896 * tree-ssa-alias.c (is_aliased_with): New function.
3897 * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3898 (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3899 (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3900 vect_base_addr_differ_p, compute_subscript_distance and
3901 build_classic_dist_vector. Add printings. Check absolute value of
3903 (vect_analyze_data_ref_dependences): Go through ddrs instead of
3905 (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3906 stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3907 to bytes. Add printing.
3908 (vect_compute_data_refs_alignment): Go through loads and stores in one
3910 (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3911 vect_analyze_data_ref_access): Likewise.
3912 (vect_analyze_pointer_ref_access): Remove.
3913 (vect_address_analysis, vect_object_analysis): Likewise.
3914 (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3915 and analyze data-refs in the loop.
3916 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3917 fields of data-ref instead of stmt. Add init to the offset from the
3919 (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3920 (vect_update_init_of_dr): Likewise.
3921 (vect_update_inits_of_drs): Go through loads and stores in one loop.
3922 * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3924 (new_loop_vec_info): Initialize new fields.
3925 (destroy_loop_vec_info): Free new fields.
3926 (vect_strip_conversion): Remove.
3927 * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3928 (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3929 datarefs. Add new field ddrs.
3930 Add macros for the new fields access.
3931 (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3932 base_aligned_p, misalignment, memtag, ptr_info and subvars.
3933 Remove their macros.
3934 * tree.h (highest_pow2_factor): Declare.
3936 2005-07-25 Jakub Jelinek <jakub@redhat.com>
3938 * calls.c (store_one_arg): Check for sibling call MEM arguments
3939 from already clobbered incoming argument area.
3941 2005-07-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3943 * c-common.c (check_missing_format_attribute): New.
3944 * c-common.h (check_missing_format_attribute): Likewise.
3945 * c-typeck.c (convert_for_assignment): Use it.
3947 2005-07-24 Andreas Schwab <schwab@suse.de>
3949 * config/m68k/m68k.md ("extendqidi2"): When source is an address
3950 register use a word move. Correct operand of ext.w in 68000 code.
3952 2005-07-23 Mark Mitchell <mark@codesourcery.com>
3954 * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3955 variables as declarations, rather than definitions.
3957 2005-07-24 Ira Rosen <irar@il.ibm.com>
3959 PR tree-optimization/22526
3960 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3963 2005-07-24 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3965 * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
3966 that C99 reserve for future use. Use it to define clog10,
3967 clog10f and clog10l.
3969 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3971 * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
3972 * configure.ac: Check for -Wmissing-format-attribute.
3974 * configure: Regenerate.
3976 2005-07-23 Richard Henderson <rth@redhat.com>
3978 PR tree-optimization/22623
3979 * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
3981 2005-07-23 Giovanni Bajo <giovannibajo@libero.it>
3984 * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
3986 2005-07-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3988 * Makefile.in (C_TREE_H): Update dependencies.
3989 * c-tree.h: Include toplev.h.
3990 * diagnostic.h (diagnostic_set_info): Add format attribute.
3991 * rtl-error.c (diagnostic_for_asm): Likewise.
3993 2005-07-23 Chao-ying Fu <fu@mips.com>
3995 * config/mips/mips-dsp.md: New file.
3996 * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
3997 * config/mips/mips.c (mips_function_type): Add types for DSP builtin
3999 (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4000 MIPS_BUILTIN_BPOSGE32.
4001 (mips_expand_builtin_direct): Add one parameter to indicate that
4002 builtin functions need to return a value.
4003 (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4005 (mips_regno_to_class): Add classes for 12 new DSP registers.
4006 (mips_subword): Change to check four HI registers.
4007 (mips_output_move): Output move to and from 6 new DSP accumulators.
4008 (override_options): Make sure -mdsp and -mips16 are not used together.
4009 Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS. Enable DSP accumulators
4011 (mips_conditional_register_usage): Disable 6 new DSP accumulators
4013 (print_operand): Add 'q' for printing DSP accumulators.
4014 (mips_cannot_change_mode_class): Check ACC_REGS.
4015 (mips_secondary_reload_class): Check ACC_REGS.
4016 (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4017 (mips_register_move_cost): Check ACC_REGS.
4018 (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4019 (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4020 (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4021 (dsp_bdesc): New array.
4022 (bdesc_arrays): Add DSP builtin function table.
4023 (mips_prepare_builtin_arg): Check predicate again after
4025 (mips_expand_builtin): Add one more parameter to
4026 mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4027 MIPS_BUILTIN_BPOSGE32.
4028 (mips_init_builtins): Initialize new function types.
4029 (mips_expand_builtin_direct): Check if builtin functions need to
4030 return a value and pass operands properly.
4031 (mips_expand_builtin_bposge): New function.
4032 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4033 (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4034 (FIRST_PSEUDO_REGISTER): Increase to 188.
4035 (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4036 Update for 12 new DSP registers.
4037 (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4038 (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4039 (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4040 (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4041 (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4042 (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4043 (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4044 (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4045 (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4046 (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4047 (REGISTER_NAMES): Add names for 12 new DSP registers.
4048 * config/mips/mips.md: Include mips-dsp.md.
4049 (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4050 (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4051 (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4052 (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4053 (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4054 (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4055 (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4056 (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4057 (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4058 (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4059 (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4060 (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4061 (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4062 (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4063 (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4064 (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4065 (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4066 (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4067 (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4068 (UNSPEC_RDDSP): New constants.
4069 (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4070 (*movsi_internal): Change 'x' to 'a' for ACC_REGS. Add an
4072 * config/mips/mips.opt (-mdsp): New option.
4073 * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4074 (reg_imm10_operand): New predicates.
4075 * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4076 * doc/invoke.texi (-mdsp): Document new option.
4078 2005-07-22 DJ Delorie <dj@redhat.com>
4080 * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4082 * tree-inline.c (inlinable_function_p): Likewise.
4084 2005-07-22 Mark Mitchell <mark@codesourcery.com>
4087 * toplev.c (check_global_declarations): Do not mark undefined
4088 variables as DECL_IGNORED_P.
4089 * varasm.c (first_global_object_name): GTY it.
4090 (weak_global_object_name): Likewise.
4091 (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4092 a string to go into {weak,first}_global_object_name.
4094 2005-07-22 DJ Delorie <dj@redhat.com>
4096 * c-format.c (check_function_format): Change warning control
4097 option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4099 2005-07-22 Diego Novillo <dnovillo@redhat.com>
4101 * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4102 &PTR->FLD a dereference of PTR.
4103 * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4104 a potential dereference of PTR.
4106 2005-07-22 J"orn Rennecke <joern.rennecke@st.com>
4108 PR rtl-optimization/20370
4109 * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4110 call allocate_reg_info if necessary.
4112 PR rtl-optimization/21848
4113 * calls.c (emit_library_call_value_1): For const functions, add
4114 USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4116 PR rtl-optimization/22445
4117 * cselib.c (target.h): Include.
4118 (rtx_equal_for_cselib_p): Allow commutative matches.
4119 (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4120 Remove MODE parameter. Changed all callers.
4122 PR rtl-optimization/22258
4123 * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4125 (try_combine): Use likely_spilled_retval_p.
4127 2005-07-22 Paul Woegerer <paul.woegerer@nsc.com>
4129 * config.gcc: Add crx-elf support.
4131 * doc/contrib.texi: Mention crx.
4132 * doc/extend.texi: Document crx extensions.
4133 * doc/install.texi: Document crx install.
4134 * doc/invoke.texi: Document crx options.
4135 * doc/md.texi: Document crx constraints.
4137 * config/crx/crx-protos.h: New file.
4138 * config/crx/crx.c: New file.
4139 * config/crx/crx.h: New file.
4140 * config/crx/crx.md: New file.
4141 * config/crx/crx.opt: New file.
4142 * config/crx/t-crx: New file.
4144 2005-07-22 Manfred Hollstein <mh@suse.com>
4146 * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4148 (int_add_graph_edge): Likewise.
4149 (collapse_nodes): Likewise.
4150 (process_unification_queue): Likewise.
4152 2005-07-22 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4153 Laurent GUERBY <laurent@guerby.net>
4155 PR tree-optimization/22336
4156 * function.c (record_block_change): Check for
4157 cfun->ib_boundaries_block.
4159 2005-07-21 James A. Morrison <phython@gcc.gnu.org>
4161 * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4162 (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4164 2005-07-21 DJ Delorie <dj@redhat.com>
4166 * toplev.c (warn_deprecated_use): Add warning control to warning
4168 * c-typeck.c (parser_build_binary_op): Likewise.
4169 (c_finish_if_stmt): Likewise.
4170 * c-common.c (check_function_sentinel): Likewise.
4171 (check_nonnull_arg): Likewise.
4173 2005-07-21 Richard Henderson <rth@redhat.com>
4176 * tree-complex.c (complex_ssa_name_components): New.
4177 (cvc_lookup): Allow entry not found.
4178 (create_components): Remove.
4179 (create_one_component_var, get_component_var): New.
4180 (get_component_ssa_name, set_component_ssa_name): New.
4181 (extract_component): Use get_component_ssa_name.
4182 (update_complex_components): Use set_component_ssa_name.
4183 (update_complex_components_on_edge): Likewise.
4184 (update_phi_components): Create new PHI nodes directly, instead
4185 of adding insns to edges.
4186 (tree_lower_complex): Allocate and free complex_variable_components
4187 and complex_ssa_name_components here.
4189 2005-07-20 Daniel Berlin <dberlin@dberlin.org>
4191 * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4192 revert to returning false.
4194 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4197 * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4199 2005-07-21 Uros Bizjak <uros@kss-loka.si>
4202 * config/i386/i386.md (cmpxf): Change operand constraints
4203 to "nonmemory_operand".
4205 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4207 * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4209 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4212 * fold-const.c (fold_build1): Add checksum for the operands.
4213 (fold_build2): Likewise.
4214 (fold_build3): Likewise.
4216 2005-07-21 Andrew Pinski <pinskia@physics.uc.edu>
4219 * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4221 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4223 * common.opt (-fforward-propagate): Committed by mistake,
4226 2005-07-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4228 * reg-stack.c: Fix comment typo(s).
4229 * tree-ssa-operands.c: Likewise.
4230 * tree-vectorizer: Likewise.
4232 2005-07-21 Nick Clifton <nickc@redhat.com>
4234 * config/sh/symbian.c: Replace C++ style line comments with C
4235 style line comments.
4236 (symbian_add_attribute): Do not use a ? operator on the LHS of
4238 (sh_symbian_handle_dll_attribute): Change the type of the
4239 method vector to "VEC(tree,gc)*" and use vector accessor
4240 macros to walk over the elements.
4241 (symbian_export_vtable_and_rtti_p): Likewise.
4242 (symbian_class_needs_attribute_p): Likewise.
4244 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4247 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4248 initialize targetm.resolve_overloaded_builtin here.
4249 (altivec_expand_overloaded_builtin): Make it non-static.
4250 * config/rs6000/rs6000-protos.h
4251 (altivec_expand_overloaded_builtin): New prototype.
4252 * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4253 targetm.resolve_overloaded_builtin here.
4254 * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4256 2005-07-21 Paolo Bonzini <bonzini@gnu.org>
4257 Zdenek Dvorak <dvorakz@suse.cz>
4259 PR tree-optimization/19210
4260 * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4262 * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4263 * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4264 rely on unproven assumptions.
4265 * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4266 * tree-flow.h (number_of_iterations_exit): Add final parameter.
4267 * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4268 to number_of_iterations_exit.
4269 * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4270 * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4271 * tree-ssa-loop-niter.c (find_loop_niter,
4272 estimate_numbers_of_iterations_loop): Likewise.
4273 (number_of_iterations_exit): Honor the new options.
4274 * doc/invoke.texi (Wunsafe-loop-optimizations,
4275 funsafe-loop-optimizations): Document them.
4277 2005-07-21 Richard Sandiford <richard@codesourcery.com>
4279 PR rtl-optimization/22167
4280 * gcse.c (hoist_code): Fix hoist_exprs[] check.
4282 2005-07-20 Adam Nemet <anemet@lnxw.com>
4284 * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4285 __do_global_dtors_aux longcall.
4287 2005-07-20 Kazu Hirata <kazu@cs.umass.edu>
4289 * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4290 (old_special_pred_table): Don't reference
4291 SPECIAL_MODE_PREDICATES.
4292 * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4293 * config/arc/arc.h: Don't mention PREDICATE_CODES.
4294 * config/sh/predicates.h: Don't mention
4295 SPECIAL_MODE_PREDICATES.
4296 * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4299 2005-07-20 DJ Delorie <dj@redhat.com>
4301 * config.gcc: Add m32c-elf support.
4303 * doc/contrib.texi: Mention m32c.
4304 * doc/extend.texi: Document m32c extensions.
4305 * doc/install.texi: Mention m32c.
4306 * doc/invoke.texi: Document m32c options.
4307 * doc/md.texi: Document m32c constraints.
4309 * config/m32c/addsub.md: New file.
4310 * config/m32c/bitops.md: New file.
4311 * config/m32c/cond.md: New file.
4312 * config/m32c/jump.md: New file.
4313 * config/m32c/m32c-lib1.S: New file.
4314 * config/m32c/m32c-lib2.c: New file.
4315 * config/m32c/m32c-modes.def: New file.
4316 * config/m32c/m32c-pragma.c: New file.
4317 * config/m32c/m32c-protos.h: New file.
4318 * config/m32c/m32c.abi: New file.
4319 * config/m32c/m32c.c: New file.
4320 * config/m32c/m32c.h: New file.
4321 * config/m32c/m32c.md: New file.
4322 * config/m32c/m32c.opt: New file.
4323 * config/m32c/minmax.md: New file.
4324 * config/m32c/mov.md: New file.
4325 * config/m32c/muldiv.md: New file.
4326 * config/m32c/predicates.md: New file.
4327 * config/m32c/prologue.md: New file.
4328 * config/m32c/shift.md: New file.
4329 * config/m32c/t-m32c: New file.
4331 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4333 * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4334 (stack_protect_set, stack_protect_test): New expanders.
4335 (stack_protect_set_si, stack_protect_set_si_media,
4336 stack_protect_set_di_media, stack_protect_test_si,
4337 stack_protect_test_si_media, stack_protect_test_di_media):
4340 2005-07-20 Andrew Pinski <pinskia@physics.uc.edu>
4342 * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4344 2005-07-20 James A. Morrison <phython@gcc.gnu.org>
4346 * tree.h (tree_expr_nonzero_p): Export.
4347 * fold-const.c (tree_expr_nonzero_p): Likewise.
4348 Return true for CALL_EXPRs that are alloca calls.
4349 (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4351 * tree-flow.h (expr_computes_nonzero): Remove.
4352 * tree-vrp.c (expr_computes_nonzero): Remove.
4353 (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4354 (extract_range_from_unary_expr): Likewise.
4355 * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4356 tree_expr_nonzero_p.
4358 2005-07-20 Bernd Schmidt <bernd.schmidt@analog.com>
4360 * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4361 * config/bfin/bfin.c (legitimize_pic_address): Now static. Take
4362 extra arg "picreg" and use it instead of pic_offset_table_rtx.
4363 All callers changed.
4364 (frame_related_constant_load): New arg "related" which controls
4365 setting of RTX_FRAME_RELATED_P. All callers changed.
4366 (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4367 (bfin_expand_prologue): Add stack limit checking.
4368 * config/bfin/bfin.md (trapifcc): New pattern.
4370 * config/bfin/bfin.c: Include "langhooks.h".
4371 (def_builtin): Go through lang_hooks to call builtin_function.
4373 * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4374 * config/bfin/predicates.md (symbol_ref_operand): New.
4375 (call_insn_operand): Delete. All callers changed to use
4376 register_no_elim_operand.
4377 * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4379 (function_arg): Use it to generate the call's operand 2.
4380 (bfin_longcall_p): New function.
4381 (bfin_expand_call): Extra arg "cookie". All callers and declaration
4382 changed. Emit extra USE in the pattern. Use bfin_longcall_p to
4383 determine if the address needs to be in a REG.
4384 (bfin_handle_longcall_attribute): New function.
4385 (bfin_attribute_table): Add "longcall" and "shortcall".
4386 * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4387 (CUMULATIVE_ARGS): New member call_cookie.
4388 (PREDICATE_CODES): Add symbol_ref_operand.
4389 * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4390 extra USE to the pattern.
4391 (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4392 New patterns, split off call_insn, sibcall_insn, call_value_insn and
4393 sibcall_value_insn; now the new patterns handle direct calls and the
4394 old ones indirect calls.
4395 * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4397 2005-07-20 Zdenek Dvorak <dvorakz@suse.cz>
4399 * doc/trouble.texi: Update section on handling of empty loops.
4401 2005-07-20 Kazu Hirata <kazu@codesourcery.com>
4403 * config.gcc: Remove support for sparc-*-openbsd*,
4404 i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4406 * config.host: Remove support for i860-*-sysv4* as a host.
4407 * config/i860/*, config/ip2k/*, config/ns32k/*,
4408 config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4409 * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4410 mention obsolete ports.
4412 2005-07-20 Kaz Kojima <kkojima@gcc.gnu.org>
4414 * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4416 (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4417 of frame_pointer_rtx.
4418 (sh_expand_epilogue): Likewise.
4419 (sh_set_return_address): Likewise.
4420 (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4421 instead of FRAME_POINTER_REGNUM if needed. Add elimination
4422 offsets from FRAME_POINTER_REGNUM.
4423 * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4424 (sh_register_names): Add initializer for sfp.
4425 (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4426 (VALID_REGISTER_P): Likewise.
4427 (FIRST_PSEUDO_REGISTER): Update.
4428 (DWARF_FRAME_REGISTERS): Define.
4429 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4430 (HARD_FRAME_POINTER_REGNUM): Define.
4431 (FRAME_POINTER_REGNUM): Redefine.
4432 (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4433 but HARD_FRAME_POINTER_REGNUM instead. Add eliminations
4434 from FRAME_POINTER_REGNUM.
4435 (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4436 FRAME_POINTER_REGNUM.
4437 (REG_CLASS_CONTENTS): Add sfp.
4438 (REG_ALLOC_ORDER): Likewise.
4439 (FRAME_GROWS_DOWNWARD): Set to 1. Update comment.
4440 (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4441 of frame_pointer_rtx.
4442 (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4444 2005-07-19 James A. Morrison <phython@gcc.gnu.org>
4446 * fold-const.c (tree_expr_nonnegative_p): Only return true for
4447 ABS_EXPR when flag_wrapv is false because of INT_MIN.
4448 (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4450 (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4453 2005-07-20 Giovanni Bajo <giovannibajo@libero.it>
4455 Make CONSTRUCTOR use VEC to store initializers.
4456 * c-common.c (complete_array_type): Update to cope with VEC in
4458 * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4459 (pp_c_constructor_elts): New function.
4460 * c-pretty-print.h (pp_c_constructor_elts): Declare.
4461 * c-typeck.c (build_function_call, build_c_cast, digest_init,
4462 struct constructor_stack, struct initializer_stack,
4463 constructor_elements, push_init_level, pop_init_level,
4464 add_pending_init, find_init_member, output_init_element): Update to
4465 cope with VEC in CONSTRUCTOR_ELTS.
4466 * coverage.c (build_fn_info_value, build_ctr_info_value,
4467 build_gcov_info): Likewise.
4468 * expr.c (categorize_ctor_elements_1, store_constructor,
4469 expand_expr_real_1): Likewise.
4470 * fold-const.c (fold_ternary): Likewise.
4471 * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4472 gimplify_init_constructor, gimplify_expr): Likewise.
4473 * tree-dump.c (dequeue_and_dump): Likewise.
4474 * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4476 * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4478 * tree-sra.c (generate_element_init_1): Likewise.
4479 * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4480 * tree-ssa-operands.c (get_expr_operands): Likewise.
4481 * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4482 * tree-vect-transform.c (vect_get_vec_def_for_operand):
4483 (get_initial_def_for_reduction): Likewise.
4484 * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4485 value handle in annotations.
4486 * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4487 tree_node_structure): Add support for constr_kind.
4488 (build_vector_from_ctor, build_constructor_single,
4489 build_constructor_from_list): New functions.
4490 (build_constructor): Update to take a VEC instead of a TREE_LIST.
4491 (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4492 Update to cope with VEC in CONSTRUCTOR_ELTS.
4493 * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4494 * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4495 CONSTRUCTOR_APPEND_ELT): New macros.
4496 (struct constructor_elt, struct tree_constructor): New data types.
4497 (union tree_node): Add tree_constructor field.
4498 * treestruct.def: Define TS_CONSTRUCTOR.
4499 * varasm.c (const_hash_1, compare_constant, copy_constant,
4500 compute_reloc_for_constant, output_addressed_constants,
4501 initializer_constant_valid_p, output_constant,
4502 array_size_for_constructor, output_constructor): Update to cope with
4503 VEC in CONSTRUCTOR_ELTS.
4504 * vec.h (VEC_empty, VEC_copy): New macros.
4506 2005-07-19 Devang Patel <dpatel@apple.com>
4508 * dbxout.c (dbxout_type): Check Objective-C++ lang.
4510 2005-07-19 Richard Henderson <rth@redhat.com>
4513 * gimplify.c (gimplify_expr): Use main variant type for the temp
4514 destination for a discarded volatile read.
4515 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4516 casts between non-void types that change volatility.
4518 2005-07-15 DJ Delorie <dj@redhat.com>
4520 * toplev.h: Add comment about the first parameter for warning().
4521 * errors.h: Likewise.
4523 * c.opt (Wpragmas): New.
4524 * doc/invoke.texi: Document it.
4526 * function.c (do_warn_unused_parameter): Add warning control to
4528 * c-decl.c (warn_if_shadowing): Likewise.
4529 * c-lex.c (cb_def_pragma): Likewise.
4530 * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4531 (pop_alignment): Likewise.
4532 (handle_pragma_pack): Likewise.
4533 (apply_pragma_weak): Likewise.
4534 (handle_pragma_weak): Likewise.
4535 (handle_pragma_redefine_extname): Likewise.
4536 (add_to_renaming_pragma_list): Likewise.
4537 (handle_pragma_extern_prefix): Likewise.
4538 (maybe_apply_renaming_pragma): Likewise.
4539 (handle_pragma_visibility): Likewise.
4541 * config/c4x/c4x-c.c (BAD): Likewise.
4542 (c4x_parse_pragma): Likewise.
4543 * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4544 * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4545 (rs6000_pragma_longcall): Likewise.
4546 * config/v850/v850-c.c (pop_data_area): Likewise.
4547 (ghs_pragma_section): Likewise.
4548 (ghs_pragma_section): Likewise.
4549 (ghs_pragma_interrupt): Likewise.
4550 (ghs_pragma_starttda): Likewise.
4551 (ghs_pragma_startsda): Likewise.
4552 (ghs_pragma_startzda): Likewise.
4553 (ghs_pragma_endtda): Likewise.
4554 (ghs_pragma_endsda): Likewise.
4555 (ghs_pragma_endzda): Likewise.
4557 2005-07-19 Danny Berlin <dberlin@dberlin.org>
4558 Kenneth Zadeck <zadeck@naturalbridge.com>
4560 * Makefile.in: Removed tree-promote-statics.c
4561 * tree-promote-statics.c: Removed.
4562 * common.opt: Removed flag-promote-statics.
4564 * passes.c: Removed tree-promote-statics pass.
4565 * tree-pass.h: Ditto.
4566 * timevar.def: Removed TV_PROMOTE_STATICS.
4569 2005-07-19 Gerald Pfeifer <gerald@pfeifer.com>
4571 * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4573 * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4575 2005-07-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4578 * c-common.c (check_function_arguments): Call
4579 'check_function_format' if either -Wformat or
4580 -Wmissing-format-attribute are specified.
4581 * c-format.c (check_function_format): Check -Wformat before
4582 calling 'check_format_info'.
4583 * c-opts.c (c_common_post_options): Don't warn for
4584 -Wmissing-format-attribute without -Wformat.
4585 * c-typeck.c (convert_for_assignment): Detect additional cases for
4586 -Wmissing-format-attribute.
4587 * doc/invoke.texi (-Wmissing-format-attribute): Document new
4590 2005-07-19 Richard Guenther <rguenther@suse.de>
4592 * config/i386/i386.md (lrint<mode>2): Use temporary
4593 instead of clobbering non-existent memory.
4595 2005-07-19 Nick Clifton <nickc@redhat.com>
4597 * config/avr/avr.c (legitimate_address_p): Fix debugging print
4598 statement to avoid displaying ASCII control characters.
4600 2005-07-19 Ben Elliston <bje@au.ibm.com>
4602 * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4603 * cfganal.c (find_edge_index): Ditto.
4604 * combine.c (combine_instructions): Ditto.
4605 * ddg.c (create_scc): Ditto.
4606 (find_successors): Ditto.
4607 (find_predecessors): Ditto.
4608 (find_nodes_on_paths): Ditto.
4609 (longest_simple_path): Ditto.
4610 * flow.c (update_life_info): Ditto.
4611 (count_or_remove_death_notes): Ditto.
4612 (clear_log_links): Ditto.
4613 * modulo-sched.c (generate_reg_moves): Ditto.
4614 (find_max_asap): Ditto.
4615 (find_max_hv_min_mob): Ditto.
4616 (find_max_dv_min_mob): Ditto.
4617 * sbitmap.c (sbitmap_first_set_bit): Ditto.
4618 * sched-rgn.c (extract_edgelst): Ditto.
4619 * tree-into-ssa.c (prepare_names_to_update): Ditto.
4620 (dump_update_ssa): Ditto.
4621 (ssa_names_to_replace) Ditto.
4622 (switch_virtuals_to_full_rewrite): Ditto.
4623 (update_ssa): Ditto.
4624 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4626 2005-07-18 Daniel Berlin <dberlin@dberlin.org>
4628 Fix PR tree-optimization/22483
4630 * tree-complex.c (create_components): Use
4631 safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4632 * tree-flow-inline.h (fill_referenced_var_vec): New function.
4633 * tree-flow.h (safe_referenced_var_iterator): New structure.
4634 (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4635 * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4636 safe_referenced_var iterator.
4637 (add_type_alias): Ditto.
4639 2005-07-19 Steven Bosscher <stevenb@suse.de>
4641 * loop-init.c (rest_of_handle_loop2): Remove.
4642 (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4643 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4644 (pass_rtl_loop_init, pass_rtl_loop_done,
4645 pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4646 pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4647 * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4648 pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4649 pass_tree_loop_done, and pass_tree_unswitch.
4650 (gate_loop): Rename to gate_tree_loop.
4651 * passes.c (init_optimization_passes): Update for renamed tree
4652 loop passes. Add the new loop2 passes as subpasses of loop2.
4653 * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4654 Update for the renamed tree loop passes.
4656 2005-07-18 Ian Lance Taylor <ian@airs.com>
4659 * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4660 blocks when optimizing.
4662 2005-07-18 Steve Ellcey <sje@cup.hp.com>
4664 * common.opt (frename-registers): Initialize to 2.
4666 (fgcse-after-reload): Ditto.
4667 * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4668 (process_options): Only change flag_web, flag_rename_registers,
4669 and flag_rerun_cse_after_loop if not explicitly set by user.
4671 2005-07-18 Jan Beulich <jbeulich@novell.com>
4673 * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4674 ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4675 in 64-bit mode the same as DImode in 32-bit mode.
4676 (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4677 ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4678 mode. Add new mode parameter.
4679 * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4680 * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4681 x86_64_shift_adj): New expanders.
4682 (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4683 *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4685 Respective new splitters. Use renamed shift splitter helpers in 32-bit
4686 DImode shift splitters.
4687 * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4688 ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4691 2005-07-18 Jan Beulich <jbeulich@novell.com>
4693 * i386.md (movdi_extzv_1): New.
4694 (zero_extendhidi2): Combine alternatives and never force use of
4696 (zero_extendqidi2): Likewise. Don't restrict input selection.
4698 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4700 Fix PR tree-optimization/22531
4701 * tree-ssa-pre.c (do_eustores): Make sure LHS is a decl for the
4704 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4706 * tree-promote-statics.c (pass_promote_statics): Change dump file
4709 2005-07-17 Daniel Berlin <dberlin@dberlin.org>
4711 * tree-optimize.c (init_tree_optimization_passes): Add
4712 pass_eliminate_useless_stores pass.
4713 * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4714 * tree-ssa-pre.c (is_copy_stmt): New function.
4715 (follow_copies_till_vuse): Ditto.
4716 (do_eustores): Ditto.
4717 (gate_eustores): Ditto.
4719 2005-07-16 Richard Henderson <rth@redhat.com>
4721 * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4723 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4724 Kenneth Zadeck <zadeck@naturalbridge.com>
4726 * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4727 ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4728 ipa-type-escape.h, tree-promote-statics.c
4729 * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4730 ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4731 tree-promote-statics.c: new files.
4732 * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4733 nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4734 int nonlocal_set_p, mark_constant_function): Deleted.
4735 (rest_of_handle_cfg): Removed call to mark_constant_function.
4736 (nonoverlapping_component_refs_p): Added calls to support
4737 type based aliasing.
4738 * tree-ssa-alias.c (may_alias_p,
4739 compute_flow_insensitive_aliasing): Ditto.
4740 * calls.c (flags_from_decl_or_type): Removed reference to
4742 * c-typeck.c (convert_arguments): Make builtins tolerant of having
4743 too many arguments. This is necessary for Spec 2000.
4744 * cgraph.h (const_function, pure_function): Removed.
4745 * common.opt: Added "fipa-pure-const", "fipa-reference",
4746 "fipa-type-escape", and "ftree-promote-static".
4748 * passes.c: Added ipa and tree-promote-statics passes.
4749 * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4750 TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4751 * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4752 * tree-flow.h: Added exposed sra calls and addition of
4753 reference_vars_info field for FUNCTION_DECLS.
4754 * tree-pass.h: Added passes.
4755 * tree-sra.c: (sra_init_cache): New function.
4756 (sra_insert_before, sra_insert_after) Made public.
4757 (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4759 * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4760 aliasing. (may_alias_p): Added code to use type escape analysis to
4762 * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4763 code to prune clobbers of static variables based on information
4764 produced in ipa-reference pass. Changed call clobbering so that
4765 statics are not marked as clobbered if the call does not clobber
4768 2005-07-16 Daniel Berlin <dberlin@dberlin.org>
4770 * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4773 2005-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4775 * doc/install.texi (*-*-solaris2*): Document recommended version
4776 of GNU binutils and mention GNU linker problem on Solaris 10.
4778 2005-07-16 Joseph S. Myers <joseph@codesourcery.com>
4781 * c-decl.c (c_build_bitfield_integer_type): New function.
4782 (finish_struct): Call it.
4783 * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4785 2005-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4787 * c-typeck.c (digest_init): Call 'convert_for_assignment'
4790 2005-07-16 Jan Hubicka <jh@suse.cz>
4792 * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4793 (scale_bbs_frequencies_int): Watch roundoff errors.
4794 * predict.c (return_prediction): Initialize return_stmt.
4796 2005-07-16 Jan Hubicka <jh@suse.cz>
4798 * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4799 after RTL profiling.
4801 2005-07-11 Andrew Pinski <pinskia@physics.uc.edu>
4804 * fold-const.c (build_range_check): Convert high/low to etype
4805 if we are only comparing against exp.
4807 2005-07-13 Daniel Berlin <dberlin@dberlin.org>
4809 Fix PR tree-optimization/22376
4810 * tree-ssa-structalias.c (build_constraint_graph): We really meant
4812 (need_to_solve): New function.
4813 (compute_points_to_sets): Use it.
4815 2005-07-15 Jan Hubicka <jh@suse.cz>
4817 * cfg.c (update_bb_profile_for_threading): More diagnostic.
4818 * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4820 2005-07-15 Richard Guenther <rguenther@suse.de>
4822 * c-common.c (handle_flatten_attribute): New function.
4823 Add flatten function attribute.
4824 * doc/extend.texi: Document flatten function attribute.
4825 * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4826 * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4828 (cgraph_decide_inlining): Handle functions with flatten
4831 2005-07-14 David Edelsohn <edelsohn@gnu.org>
4833 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4834 UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4835 UNSPEC_XCHG, UNSPEC_AND): New.
4836 (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4837 UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4838 * config/rs6000/sync.md (FETCHOP): New code macro.
4839 (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4841 (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4842 (sync_compare_and_swap<mode>): Same.
4843 (sync_lock_test_and_set<mode>): Same.
4844 (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4845 for QImode and HImode, and not PPC405.
4846 (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4847 (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4848 (sync_<fetchop>{si,di}_internal): New.
4849 (sync_nand{si,di}_internal): New.
4850 (sync_old_<fetchop>{si,di}_internal): New.
4851 (sync_old_nand{si,di}_internal): New
4852 (sync_new_<fetchop>{si,di}_internal): New.
4853 (sync_new_nand{si,di}_internal): New.
4854 (atomic_and{si,di}): New.
4855 (sync_new_nand{si,di}_internal): New.
4856 (atomic_and{si,di}): New.
4857 (sync_add<mode>_internal): Delete.
4858 (sync_addshort_internal): Use unspec instead of unspec_volatile.
4859 (sync_sub<mode>_internal): Delte.
4860 (sync_subshort_internal): New.
4861 (sync_andsi_internal): Use unspec instead of unspec_volatile.
4862 (sync_anddi_internal): Delete.
4863 (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4864 (sync_booldi_internal): Delete.
4865 (sync_boolc<mode>_internal): Delete.
4866 (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4867 (sync_boolc<mode>_internal2): Delete.
4868 (sync_boolcc<mode>_internal): Delete.
4869 (isync, lwsync): Use unspec instead of unspec_volatile.
4870 * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4871 Revert UNSPEC_VOLATILE.
4872 (rs6000_split_atomic_op): New.
4873 * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4875 2005-07-14 Eric Christopher <echristo@redhat.com>
4877 * config/mips/mips.c (mips_canonicalize_comparison): Cast
4878 argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4880 2005-07-14 Eric Christopher <echristo@redhat.com>
4882 * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4884 2005-07-14 Steven Bosscher <stevenb@suse.de>
4886 PR tree-optimization/22230
4887 * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4888 the computation of the four cross productions for "range op range".
4890 2005-07-14 Alexandre Oliva <aoliva@redhat.com>
4891 Ulrich Weigand <uweigand@de.ibm.com>
4894 * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4897 2005-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4899 * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4901 2005-07-14 Steve Ellcey <sje@cup.hp.com>
4903 * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4905 2005-07-14 Richard Guenther <rguenther@suse.de>
4908 * config/i386/i386-protos.h (ix86_function_value): Change
4909 prototype to match new target hook.
4910 * config/i386/i386.c (ix86_value_regno): Change prototype
4911 to take extra type argument.
4912 (TARGET_FUNCTION_VALUE): Define.
4913 (ix86_function_ok_for_sibcall): Pass extra argument to
4914 ix86_value_regno, check return slot rtx for exact match.
4915 (ix86_function_value): Take extra parameter. Dispatch to
4916 ix86_value_regno with fndecl/fntype as provided.
4917 (ix86_value_regno): Handle extra type argument.
4918 * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4920 * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4921 * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4922 * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4923 * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4924 * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4926 2005-07-14 Richard Guenther <rguenther@suse.de>
4928 * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4929 * calls.c (expand_call): Pass fntype to hard_function_value.
4930 (emit_library_call_value_1): Likewise.
4931 * explow.c: Include target.h.
4932 (hard_function_value): Take extra argument, the fntype.
4933 Use new target hook for function_value.
4934 * expr.h (hard_function_value): Change prototype.
4935 * function.c (aggregate_value_p): Pass 0 as fntype to
4936 hard_function_value.
4937 (assign_parms): Use new target hook for function_value.
4938 Pass 0 as fntype to hard_function_value.
4939 (expand_function_end): Likewise.
4940 * reg-stack.c: Include target.h.
4941 (stack_result): Use new target hook for function_value.
4942 * target-def.h: New target hook function_value.
4943 * target.h: Likewise.
4944 * targhooks.c (default_function_value): New function.
4945 * targhooks.h (default_function_value): Declare.
4947 2005-07-13 Ian Lance Taylor <ian@airs.com>
4949 * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4951 2005-07-14 Jan Hubicka <jh@suse.cz>
4953 * tree-dfa.c (dump_variable): Use default_def function.
4954 * tree-ssa-alias.c (dump_points_to_info): Likewise.
4955 * tree-ssa.c (verify_use): Likewise.
4956 * tree-ssanames.c (release_ssa_name): Likewise.
4957 * tree-tailcall.c (eliminate_tail_call): Likewise.
4958 (tree_optimize_tail_calls_1): Likewise.
4959 * tree-vrp.c (get_value_range): Likewise.
4961 2005-07-14 Ben Elliston <bje@au.ibm.com>
4963 * gcc.c (main): Compare language[0] with '*' when iterating over
4966 2005-07-13 Adrian Strae½tling <straetling@de.ibm.com>
4968 * config/s390/s390.c: (s390_cc_modes_compatible): Move before
4969 "s390_emit_compare". Add handling of CCZ1mode.
4970 (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
4971 (390_emit_compare): Use "s390_cc_modes_compatible" for mode
4973 (s390_branch_condition_mask): Add CCZ1mode handling.
4974 * config/s390/s390.md: ("seq", "*seq"): New pattern.
4975 ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
4976 Use CCZ1mode instead of CCZmode.
4977 * config/s390/s390-modes.def: Add CCZ1mode. Comment new mode.
4979 2006-07-13 Adrian Strae½tling <straetling@de.ibm.com>
4981 * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
4983 ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
4985 2005-07-13 Eric Christopher <echristo@redhat.com>
4987 * config/mips/mips.c (mips_canonicalize_comparison): New.
4988 (mips_emit_int_relational): Use.
4990 2005-07-13 Eric Christopher <echristo@redhat.com>
4992 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
4994 * config/s390/s390.md: Include tpf.md. Move tpf specific
4996 * config/s390/tpf.md: To here.
4997 * config/s390/s390.opt: Move tpf specific options...
4998 * config/s390/tpf.opt: to here. Add mmain option.
4999 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5000 * config/s390/tpf.h: Rewrite.
5002 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5004 * doc/tm.texi: Remove @xref{Cross-profiling}.
5006 2005-07-13 Jeff Law <law@redhat.com>
5008 * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5009 expressions, test their _DECL operands for pointer equality rather
5010 than using operand_equal_p.
5012 2005-07-13 H.J. Lu <hongjiu.lu@intel.com>
5014 * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5015 (TARGET_POSIX_IO): This.
5016 * config/darwin.h: Likewise.
5017 * config/freebsd.h: Likewise.
5018 * config/linux.h: Likewise.
5019 * config/lynx.h: Likewise.
5020 * config/netbsd.h: Likewise.
5021 * config/rs6000/linux64.h: Likewise.
5022 * config/rs6000/linux.h: Likewise.
5023 * config/s390/tpf.h: Likewise.
5024 * config/sh/embed-elf.h: Likewise.
5025 * config/sparc/linux64.h: Likewise.
5026 * config/sparc/linux.h: Likewise.
5027 * config/svr4.h: Likewise.
5028 * gcov-io.h: Likewise.
5030 * doc/tm.texi: Updated.
5032 * libgcov.c (create_file_directory): Defined only if
5033 TARGET_POSIX_IO is defined.
5034 (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5037 2005-07-13 Jan Hubicka <jh@suse.cz>
5039 * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5041 2005-07-13 David Edelsohn <edelsohn@gnu.org>
5043 * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5044 structure as argument.
5046 2005-07-13 Paolo Bonzini <bonzini@gnu.org>
5048 PR tree-optimization/21921
5049 * tree-iterator.c (tsi_link_before): Support the case when
5050 tsi_end_p (tsi) == true.
5052 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5054 PR tree-optimization/22442
5055 * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5058 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5060 PR rtl-optimization/20376
5061 * toplev.c (process_options): Enable -fweb and -frename-registers when
5063 * doc/invoke.texi: Update the information about when -fweb and
5064 -frename-registers are enabled.
5066 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5069 * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5070 if *rhs_p is not a SSA_NAME.
5072 2005-07-12 Daniel Berlin <dberlin@dberlin.org>
5074 Fix PR tree-optimization/22422
5075 * tree-ssa-structalias.c (struct variable_info): Add flag for
5077 (get_varinfo): Now a static function.
5078 (new_varinfo): init has_union and is_special_var to false.
5079 (solution_set_add): Check has_union.
5080 (do_da_constraint): Move temporary variable so it gets reset
5082 Also check for special variable.
5083 (do_ds_constraint): Ditto.
5084 (do_sd_constraint): Ditto.
5085 (do_structure_copy): Check for special variable.
5086 (find_func_aliases): Ditto.
5087 (init_base_vars): Set special vars properly.
5089 2005-07-13 Jan Hubicka <jh@suse.cz>
5091 * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5094 * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5095 (get_expr_operands): Fix thinko wrt flags and subvars.
5097 PR tree-optimize/22379
5098 * tree-inline.c (expand_call_inline): Do not output sorry in early
5101 2005-07-12 Dale Johannesen <dalej@apple.com>
5103 * config/rs6000.c (rs6000_rtx_cost): Move FLOAT_EXTEND.
5105 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5108 * host-linux.h: Include limits.h.
5110 2005-07-12 Dale Johannesen <dalej@apple.com>
5112 * expr.c (compress_float_constant): Add cost check.
5113 * config/rs6000.c (rs6000_rtx_cost): Adjust FLOAT_EXTEND cost.
5115 2005-07-12 Dale Johannesen <dalej@apple.com>
5117 * gcc.target/i386/compress-float-sse.c: New.
5118 * gcc.target/i386/compress-float-sse-pic.c: New.
5119 * gcc.target/i386/compress-float-387.c: New.
5120 * gcc.target/i386/compress-float-387-pic.c: New.
5121 * gcc.dg/compress-float-ppc.c: New.
5122 * gcc.dg/compress-float-ppc-pic.c: New.
5124 2005-07-12 Eric Christopher <echristo@redhat.com>
5126 * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5128 * config/s390/s390.md: Include tpf.md. Move tpf specific
5130 * config/s390/tpf.md: To here.
5131 * config/s390/s390.opt: Move tpf specific options...
5132 * config/s390/tpf.opt: to here. Add mmain option.
5133 * config/s390/tpf-unwind.h: Remove unnecessary defines.
5134 * config/s390/tpf.h: Rewrite.
5136 2005-07-12 Eric Christopher <echristo@redhat.com>
5138 * gcc.c (struct infile): Update comment for language.
5139 (main): Rewrite input file resetting code.
5141 2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
5144 * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5145 requiring a cast in a non RHS of modify_expr. Add a cast when required.
5146 (lookup_avail_expr): Use constant_boolean_node instead
5147 of boolean_false_node/boolean_true_node.
5149 2005-07-12 Ben Elliston <bje@au.ibm.com>
5151 * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5152 and use it when printing num_edges.
5154 2005-07-12 Bernd Schmidt <bernd.schmidt@analog.com>
5156 * doc/extend.texi (Blackfin Built-in Functions): New section.
5157 * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5160 2005-07-12 Adrian Straetling <straetling@de.ibm.com>
5162 * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5163 s/cmpstrsi/cmpstrnsi
5164 (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5166 * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5167 (init_optabs): Initialize cmpstrn_optab.
5168 * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5169 * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5170 * expr.c: (enum insn_code cmpstrn_optab): Declare.
5171 * config/i386/i386.md: s/cmpstr/cmpstrn
5172 * config/c4x/c4x.md: s/cmpstr/cmpstrn
5173 * doc/md.texi: Update documentation.
5175 2005-07-11 Richard Henderson <rth@redhat.com>
5177 * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5178 build_va_arg_indirect_ref.
5179 (alpha_gimplify_va_arg): Likewise.
5180 * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5181 * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5182 * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5183 * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5184 * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5185 * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5187 * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5189 2005-07-12 Zdenek Dvorak <dvorakz@suse.cz>
5191 * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5192 * passes.c (init_optimization_passes): Add pass_empty_loop.
5193 * tree-pass.h (pass_empty_loop): Declare.
5194 * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5195 try_remove_empty_loop, remove_empty_loops): New functions.
5196 * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5197 * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5199 2005-07-12 Peter Barada <peter@the-baradas.com>
5203 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5204 in address registers.
5205 * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5206 * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5207 alternative of addsi3_5200.
5209 2005-07-11 Ian Lance Taylor <ian@airs.com>
5211 * config/mips/mips.md (ffs<mode>2): Remove.
5213 2005-07-11 Ian Lance Taylor <ian@airs.com>
5215 * doc/tree-ssa.texi (Cleanups): Improve description of
5217 (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5219 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5221 * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5222 * tree.h (DECL_ARGUMENT_FLD): New macro.
5224 2005-07-11 Daniel Berlin <dberlin@dberlin.org>
5226 Fix PR tree-optimization/22404
5228 * tree-ssa-structalias.c (create_variable_info_for): Use
5231 2005-07-11 Bernd Schmidt <bernd.schmidt@analog.com>
5233 * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5234 compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5235 for second comparison operand.
5236 * config/bfin/predicates.md (reg_or_const_int_operand): New.
5238 * config/bfin/bfin.md (define_attr "type"): Add "sync".
5239 (define_insn_reservation "alu"): Likewise.
5240 (csync, ssync): Now of type sync.
5241 * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5242 -mcsync-anomaly -mspecld-anomaly.
5243 * config/bfin/bfin.opt (mcsync): Remove.
5244 (mcsync-anomaly, mspecld-anomaly): Add.
5245 * config/bfin/bfin.c: Include "insn-codes.h".
5246 (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5247 (TARGET_DEFAULT_TARGET_FLAGS): New.
5248 * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5250 2005-07-11 Steven Bosscher <stevenb@suse.de>
5252 * basic-block.h: Give the BB flags enum a name, bb_flags.
5253 Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5254 * cfgcleanup.c (enum bb_flags): Remove here.
5255 (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5256 (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5257 (update_forwarder_flag): Likewise.
5258 (thread_jump): Likewise.
5259 (try_forward_edges): Likewise.
5260 (try_optimize_cfg): Likewise. Clear bb->flags before updating the
5261 forwarder flags. Don't clear bb->aux for all basic blocks. Only
5262 reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5264 2005-07-11 Richard Guenther <rguenther@suse.de>
5266 * config/i386/i386.opt: New target option -msseregparm.
5267 * config/i386/i386.c (override_options): Error out for
5268 -msseregparm but no SSE support.
5269 (ix86_function_sseregparm): Check for global sseregparm.
5270 * doc/invoke.texi: Document -msseregparm.
5272 2005-07-11 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5274 * config.gcc (m32r-*-linux*): Use the default extra_parts.
5275 (m32rle-*-linux*): Ditto.
5277 2005-07-11 Jakub Jelinek <jakub@redhat.com>
5279 * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5280 instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5283 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5287 * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5288 gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5290 2005-07-07 Daniel Berlin <dberlin@dberlin.org>
5292 * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5293 (varmap): Heapify varmap.
5294 (constraints): Heapify constraints.
5295 (struct constraint_graph): Heapify succs and preds.
5296 (constraint_vec_find): Update for heapification.
5297 (constraint_set_union): Ditto.
5298 (insert_into_complex): Ditto.
5299 (constraint_edge_vec_find): Ditto.
5300 (erase_graph_self_edge): Ditto.
5301 (add_graph_edge): Ditto.
5302 (get_graph_weights): Ditto.
5303 (merge_graph_nodes): Ditto.
5304 (build_constraint_graph): Ditto.
5305 (topo_visit): Ditto.
5306 (solve_graph): Ditto.
5307 (create_variable_info_for): Ditto.
5308 (init_base_vars): Ditto.
5309 (delete_points_to_sets): Free graph, varmap, and complex constraints.
5310 (condese_varmap_nodes): Free complex vector.
5311 (clear_edges_for_node): Clear succs and preds vector.
5313 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5315 * tree-ssa-structalias.c (update_alias_info): Change counting of
5316 references to not include vdefs.
5318 2005-07-10 Daniel Berlin <dberlin@dberlin.org>
5320 * tree-ssa-alias.c (free_used_part_map): Add missing free.
5323 2005-07-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5325 * pa.c (pa_commutative_p): Make PLUS commutative when
5326 TARGET_NO_SPACE_REGS is true.
5328 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5330 * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5331 * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5332 * tree-dfa.c (dump_subvars_for): New.
5333 (debug_subvars_for): New.
5334 (dump_variable): Show subvariables if VAR has them.
5335 * tree-flow-inline.h (get_subvar_at): New.
5336 (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5337 * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5339 (struct subvar): Change fields offset and size to unsigned
5341 (dump_subvars_for): Declare.
5342 (debug_subvars_for): Declare.
5343 (get_subvar_at): Declare.
5344 (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5345 to unsigned HOST_WIDE_INT *.
5346 (overlap_subvar): Likewise.
5347 * tree-gimple.c (is_gimple_reg): Always return false for
5348 SFTs and memory tags.
5349 * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5351 * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5352 (compute_may_aliases): Call compute_points_to_sets.
5353 (collect_points_to_info_for): Remove.
5354 (compute_points_to_and_addr_escape): Remove.
5355 (delete_alias_info): Call delete_points_to_sets.
5356 (compute_flow_sensitive_aliasing): If the call to
5357 find_what_p_points_to returns false, call set_pt_anything.
5358 (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5359 (set_pt_anything): Clear pi->pt_vars.
5360 (set_pt_malloc): Remove.
5361 (merge_pointed_to_info): Remove.
5362 (add_pointed_to_expr): Remove.
5363 (add_pointed_to_var): Remove.
5364 (collect_points_to_info_r): Remove.
5365 (is_escape_site): Make extern.
5367 (create_overlap_variables_for): Call it.
5368 * tree-ssa-copy.c (merge_alias_info): Never merge
5369 flow-sensitive alias information.
5370 * tree-ssa-operands.c (get_expr_operands): Adjust variables
5371 offset and size to be unsigned HOST_WIDE_INT.
5372 (add_to_addressable_set): Rename from note_addressable.
5373 Set TREE_ADDRESSABLE as the variables are added to the set.
5375 (add_stmt_operand): Do not try to micro-optimize unmodifiable
5376 operands into VUSEs when adding V_MAY_DEFs for members in an
5378 * tree-ssa-operands.h (add_to_addressable_set): Declare.
5379 * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5380 (struct variable_info): Add bitfield is_heap_var.
5381 (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5382 (new_var_info): Initialize is_heap_var.
5383 (get_constraint_for): Add HEAP variables to the symbol table.
5384 Mark them with is_heap_var.
5385 (update_alias_info): New. Taken mostly from the old
5386 compute_points_to_and_addr_escape.
5387 (handle_ptr_arith): New.
5388 (find_func_aliases): Call update_alias_info.
5389 Call handle_ptr_info for tcc_binary expressions.
5390 Call mark_stmt_modified.
5391 (create_variable_info_for): If DECL has subvars, do not create
5392 variables for its subvars. Always add all the fields.
5393 (set_uids_in_ptset): If the solution includes ANYOFFSET and
5394 SFTs, then add all the SFTs of the structure.
5395 If VI->DECL is an aggregate with subvariables, add the SFT at
5397 (find_what_p_points_to): If VI is an artificial variable,
5398 translate to bitfields in SSA_NAME_PTR_INFO.
5399 If the solution is empty, set pi->pt_vars to NULL
5400 (init_base_vars): Create ANYOFFSET.
5401 (compute_points_to_sets): Rename from create_alias_vars.
5403 (pass_build_pta): Remove.
5404 (delete_points_to_sets): Rename from delete_alias_vars.
5405 (pass_del_pta): Remove.
5406 * tree-ssa-structalias.h (struct alias_info): Move from
5408 (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5409 NUM_REFERENCES_SET): Likewise.
5410 (compute_points_to_sets, delete_points_to_sets): Declare.
5412 2005-07-09 Richard Henderson <rth@redhat.com>
5414 * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5415 alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5416 alpha_split_lock_test_and_set_12): New functions.
5417 * config/alpha/alpha-protos.h: Update.
5418 * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5419 UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5420 * config/alpha/sync.md (I12MODE): New.
5421 (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5422 (sync_<fetchop_name><I48MODE>): Likewise.
5423 (sync_nand<I48MODE>): Likewise.
5424 (sync_old_<fetchop_name><I48MODE>): Likewise.
5425 (sync_new_<fetchop_name><I48MODE>): Likewise.
5426 (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5427 (sync_compare_and_swap<I48MODE>): Likewise.
5428 (sync_lock_test_and_set<I48MODE>): Likewise.
5429 (sync_compare_and_swap<I12MODE>): New.
5430 (sync_compare_and_swap<I12MODE>_1): New.
5431 (sync_lock_test_and_set<I12MODE>): New.
5432 (sync_lock_test_and_set<I12MODE>_1): New.
5434 2005-07-09 Diego Novillo <dnovillo@redhat.com>
5438 * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5440 2005-07-09 Jakub Jelinek <jakub@redhat.com>
5442 * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5443 in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5445 2005-07-09 Richard SAndiford <richard@codesourcery.com>
5448 * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5450 2005-07-08 David Edelsohn <edelsohn@gnu.org>
5452 * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5453 memory_operand constraint.
5454 (store_conditional_<mode>): Same.
5455 (sync_compare_and_swap<mode>): Same.
5456 (sync_lock_test_and_set<mode>): Same.
5458 2005-07-08 Hans-Peter Nilsson <hp@axis.com>
5460 Rewrite PIC support to more closely model actual instructions.
5461 * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5462 (cris_symbol): Remove prototypes for removed functions.
5463 (cris_pic_symbol_type_of, cris_valid_pic_const)
5464 (cris_expand_pic_call_address): Prototypes for new functions.
5465 * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5467 (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5469 <case ':'>: Add case for new punctuation character.
5470 <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5471 emitting (extra) PIC modifier.
5472 <case UNSPEC>: Do not assert for PLT.
5473 (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5474 (cris_expand_prologue, cris_expand_epilogue): Check
5475 for pic_offset_table_rtx usage instead of taking
5476 current_function_uses_pic_offset_table as the final word.
5477 (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5478 Remove flag_pic difference.
5479 (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5480 the moral equivalents of...
5481 (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5483 (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5484 (cris_handle_option): Mark ARG as unused.
5485 (cris_expand_pic_call_address): New worker function for "call",
5487 (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5488 output PIC constructs here.
5489 (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5490 as symbol-specific modifers, not whole or part of operands.
5491 * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5492 (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5493 constants and flag_pic.
5494 (CONSTANT_INDEX_P): Adjust for new functions.
5495 (enum cris_pic_symbol_type): New helper type.
5496 (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5497 * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5498 (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5500 ("movsi"): Emit actual instructions for GOT and relative access.
5501 ("*movsi_got_load"): New pattern to set up the register holding
5503 ("*movsi_internal"): Operand 1 is not a plain general_operand.
5504 Adjust FIXME for 'S'.
5505 <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5506 Use "movs" for -fpic cases.
5507 ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5508 ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5509 ("call", "call_value"): Just call cris_expand_pic_call_address for
5511 ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5512 Remove special pattern.
5513 ("*expanded_call_side", "*expanded_call_value_side"): New
5515 (gotplt-to-plt, gotplt-to-plt-side-call)
5516 (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5518 * config/cris/cris/predicates.md
5519 ("cris_general_operand_or_gotless_symbol"): Remove unused
5521 ("cris_general_operand_or_symbol"): Adjust for new functions.
5523 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5525 * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5527 2005-07-08 Daniel Berlin <dberlin@dberlin.org>
5529 * Makefile.in (TREE_H): Add treestruct.def.
5530 (c-decl.o): Add pointer-set.h
5531 * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5532 visibility on regular DECL's.
5533 (merge_decls): Fix the copying of decl nodes of various types for
5534 the new structures. Don't update RTL, section name, weak status,
5535 etc, on DECL's without RTL.
5536 (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5537 Don't check volatile on non-variable types.
5538 (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5539 to check whether we have seen arguments.
5540 * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5541 flag is checked before field (flag is common, field is not).
5542 * dwarf2out.c (decl_ultimate_origin): Only DECL's with
5543 TS_DECL_COMMON could have an origin.
5544 (add_location_or_const_value_attribute): Don't check section name
5545 on non-var/function decls.
5546 (dwarf2out_var_location): Reverse order of tests.
5547 * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5548 with DECL_WRTL_CHECK.
5549 * expmed.c (make_tree): rtl is now in decl_with_rtl.
5550 * fold-const.c (fold_binary): Don't check weakness on
5551 non-var/function decls.
5552 (tree_expr_nonzero_p): Ditto.
5553 (fold_checksum_tree): Use tree_decl_extra as sizeof
5555 * ggc-page.c (extra_order_size_table): Add sizes for
5556 tree_decl_non_common, tree_parm_decl, tree_var_decl, and
5558 * gimplify.c (gimplify_bind_expr): Only set
5559 DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5560 * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5562 * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5563 * langhooks.h (init_ts). New langhook.
5564 * passes.c (rest_of_decl_compilation): Reverse order of tests.
5565 * print-tree.c (print_node): Update to only print fields that
5566 exist in the structures the passed decl has.
5567 * toplev.c (wrapup_global_declarations): Don't reset
5568 DECL_DEFER_OUTPUT on DECL's that don't contain it.
5569 * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5570 * tree-inline.c (remap_decl): Ditto.
5571 * tree-outof-ssa.c (create_temp): Reverse order of tests.
5572 * tree-pretty-print.c (print_declaration): Don't print
5573 DECL_REGISTER on things that don't contain it.
5574 * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5575 non-var/function decls.
5576 * tree.c (tree_contains_struct): New structure.
5577 (init_priority_for_decl): New hashtable.
5578 (tree_int_map): New structure.
5579 (tree_int_map_eq): New function.
5580 (tree_int_map_marked_p): Ditto.
5581 (tree_int_map_hash): Ditto.
5582 (tree_map): Move to tree.h.
5583 (tree_map_eq): Externalize.
5584 (tree_map_hash): Ditto.
5585 (tree_map_marked_p): Ditto.
5586 (init_ttree): Set up tree_contains_struct and call langhook.
5587 (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5588 (tree_code_size): Update for new structures.
5589 (tree_node_structure): Update for new structures.
5590 (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5592 (copy_node_stat): Copy init priority.
5593 (build_decl_stat): Ditto for visibility.
5594 (ts_enum_names): New.
5595 (tree_contains_struct_check_failed): New function.
5596 (decl_init_priority_lookup): Ditto.
5597 (decl_init_priority_insert): Ditto.
5598 * treestruct.def: New file.
5599 * tree.h (CODE_CONTAINS_STRUCT): New macro.
5600 (CONTAINS_STRUCT_CHECK): Ditto.
5601 (tree_contains_struct_check_failed): New prototype.
5602 (DECL_CHECK): Removed.
5603 (DECL_MINIMAL_CHECK): New.
5604 (DECL_COMMON_CHECK): Ditto.
5605 (DECL_WRTL_CHECK): Ditto.
5606 (DECL_NON_COMMON_CHECK): Ditto.
5607 (DECL_WITH_VIS_CHECK): Ditto.
5608 (VAR_OR_FUNCTION_DECL_P): Ditto
5609 (struct tree_decl_minimal): New structure.
5610 (struct tree_decl_common): Ditto.
5611 (struct tree_decl_with_rtl): Ditto.
5612 (struct tree_decl_with_vis): Ditto.
5613 (struct tree_decl_non_common): Ditto.
5614 (struct tree_field_decl): Ditto.
5615 (struct tree_parm_decl): Ditto.
5616 (struct tree_var_decl): Ditto.
5617 (struct tree_function_decl): Ditto.
5618 (struct tree_const_decl): Ditto.
5619 (struct tree_result_decl): Ditto.
5620 (union tree_node): Add new structures.
5621 * var-tracking.c (track_expr_p): Reverse order of tests.
5623 * doc/c-tree.texi: Add documentation on DECL node internal structure.
5625 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
5627 * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5628 * system.h: Poison FINALIZE_PIC.
5629 * doc/tm.texi (FINALIZE_PIC): Remove.
5631 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5634 * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5635 to the correct type if we have a MODIFY_EXPR.
5637 2005-07-08 Kazu Hirata <kazu@codesourcery.com>
5639 PR tree-optimization/22360
5640 * tree.c (upper_bound_in_type): Fix calculations for casting
5641 to a non-wider signed type and casting a signed value to a
5642 wider unsigned type.
5643 (lower_bound_in_type): Fix calculations for casting to a
5644 non-wider signed type.
5646 PR tree-optimization/20139
5647 * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5649 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5650 fold_cond_expr_cond.
5651 * tree-ssanames.c (release_defs): Assert in_ssa_p.
5652 * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5654 2005-07-08 Andrew Pinski <pinskia@physics.uc.edu>
5657 * tree-complex.c (expand_complex_libcall): Produce
5658 REALPART_EXPR/IMAGPART_EXPR with the correct type.
5660 2005-07-08 Kenneth Zadeck <zadeck@naturalbridge.com>
5662 * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5663 bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5664 b" assert and inserted fastpath code for this case.
5665 (bitmap_ior): Removed "a != b" assert.
5667 2005-07-08 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5669 * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5670 (ENDFILE_SPEC): Likewise.
5671 * config/m32r/m32r.h (ASM_SPEC): Likewise.
5673 * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5674 a large stack frame at epilogue.
5676 2005-07-08 David Billinghurst <David.Billinghurst@riotinto.com>
5678 * final.c: Include sdbout.h when required.
5680 2005-07-07 Geoffrey Keating <geoffk@apple.com>
5682 * config.gcc (*-*-darwin*): Only one target-specific header file
5684 (powerpc-*-darwin*): Add version-specific header files.
5685 * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5686 * config.in: Regenerate.
5687 * configure: Regenerate.
5688 * gcc.c: Include xregex.h.
5689 (version_compare_spec_function): New.
5690 (spec_function): Add version-compare.
5691 (replace_outfile_spec_function): Reformat comment.
5692 (compare_version_strings): New.
5693 * config/darwin-c.c (version_as_macro): New.
5694 (builtin_define): New.
5695 (darwin_cpp_builtins): New.
5696 * config/darwin-protos.h (darwin_cpp_builtins): New.
5697 * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5698 (LIB_SPEC): Make unconditional, update comment.
5699 (TARGET_C99_FUNCTIONS): Define.
5700 * config/darwin.opt: Sort.
5701 (mmacosx-version-min=): New.
5702 * config/darwin7.h: Delete.
5703 * config/darwin8.h: Delete.
5704 * config/i386/darwin.h (): Call darwin_cpp_builtins.
5705 * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5706 (TARGET_C99_FUNCTIONS): Define.
5707 * config/rs6000/darwin7.h: New.
5708 * config/rs6000/darwin8.h: New.
5709 * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5710 (-mmacosx-version-min): Document.
5712 2005-07-07 Ian Lance Taylor <ian@airs.com>
5714 * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5716 2005-07-07 John David Anglin <dave.anglin@nrc-crc.gc.ca>
5719 * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5721 2005-07-07 Khem Raj <kraj@mvista.com>
5723 * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5724 in bytes, not words.
5726 2005-07-07 Paul Brook <paul@codesourcery.com>
5728 * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5729 DEFAULT_FUNCTION_ARG_PADDING to upward.
5731 2005-07-07 Richard Henderson <rth@redhat.com>
5733 * function.c (locate_and_pad_parm): Record parameter alignment in
5734 stack_alignment_needed.
5736 2005-07-07 David Edelsohn <edelsohn@gnu.org>
5738 * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5739 UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5740 (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5741 UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5742 (define_attr "type"): Add isync, sync, load_l, store_c.
5743 * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5744 Create scratch volatile MEM.
5745 (sync_internal): New. POWER mnemonic is dcs, not ics. Attribute
5747 (load_locked_<mode>): New.
5748 (store_conditional_<mode>): New.
5749 (sync_compare_and_swap<mode>): Replace with splitter.
5750 (sync_lock_test_and_set<mode>): Replace with splitter.
5751 (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5753 (isync): Change to unspec_volatile UNSPECV_ISYNC. POWER mnemonic
5754 is ics. Attribute isync.
5755 (lwsync): Change to unspec_volatile UNSPECV_LWSYNC. Attribute
5757 * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5758 and UNSPECV_SYNC_OP.
5759 (emit_unlikely_jump): New.
5760 (emit_load_locked): New.
5761 (emit_store_conditional): New.
5762 (rs6000_split_compare_and_swap): New.
5763 (rs6000_split_lock_test_and_set): New.
5764 (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5765 TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5766 * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5767 rs6000_split_lock_test_and_set): Declare.
5768 * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5769 mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5770 store_c, isync, sync.
5772 2005-07-07 Kelley Cook <kcook@gcc.gnu.org>
5774 * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5775 filenames to gtyp-gen.h.
5776 (s-typ-gen): Use it in place of for loops.
5778 2005-07-07 J"orn Rennecke <joern.rennecke@st.com>
5780 * hooks.c (hook_bool_rtx_int_false): New function.
5781 * hooks.h (hook_bool_rtx_int_false): Declare.
5782 * target-def.h (TARGET_COMMUTATIVE_P): Define.
5783 (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5784 * target.h (struct gcc_target): Add commutative_p member.
5785 * targhooks.c (hook_bool_rtx_commutative_p): New function.
5786 * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5787 * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5788 (pa_commutative_p): New function.
5789 * jump.c (target.h): Include.
5790 (rtx_renumbered_equal_p): Use targetm.commutative_p.
5791 * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5793 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5795 * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5796 (s390_expand_setmem): New.
5797 * config/s390/s390.c: Likewise.
5798 (print_shift_count_operand): Truncate to 12 bits instead of 6.
5800 * config/s390/s390.md: ("setmem<mode>"): Accept character as
5801 general_operand. Call new function "s390_expand_setmem".
5802 ("clrmem_long", "*clrmem_long"): Rewrite to ...
5803 ("setmem_long", "*setmem_long"): ... this.
5805 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5807 * config/s390/s390.c: (optimization_options): Enable
5808 TARGET_MVCLE at -Os.
5809 * doc/invoke.texi: Document changes in default behaviour.
5810 * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5812 2005-07-07 Adrian Straetling <straetling@de.ibm.com>
5814 * expr.c: (set_storage_via_setmem): Convert opchar to mode
5815 defined by back-end.
5817 2005-07-07 Jakub Jelinek <jakub@redhat.com>
5819 * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5820 all sets in the pattern.
5821 * config/rs6000/rs6000.md (stack_protect_testsi,
5822 stack_protect_testdi): Likewise.
5824 2005-07-06 Jeff Law <law@redhat.com>
5826 * tree-vrp.c (simplify_using_ranges): Kill.
5827 (vrp_finalize): Remove call to simplify_using_ranges.
5828 (simplify_stmt_using_ranges): New function extracted from
5829 simplify_using_ranges.
5830 (simplify_div_or_mod_using_ranges): Likewise.
5831 (simplify_abs_using_ranges): Likewise.
5832 (simplify_cond_using_ranges): New function.
5833 * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5834 * tree-ssa-propagate.c (substitute_and_fold): Call
5835 simplify_stmt_using_ranges if we have range information.
5837 2005-07-06 James E. Wilson <wilson@specifixinc.com>
5839 * config/ia64/ia64.c (ia64_reorg): Check optimize before
5840 ia64_flag_schedule_isns2.
5842 * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5843 reading/writing general registers.
5844 (ia64_function_arg): Revert 2005-06-18 change.
5846 2005-07-06 John David Anglin <dave.anglin@nrc-crnc.gc.ca>
5848 * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5849 (legitimize_tls_address): Use gcc_unreachable instead of abort.
5851 2005-07-06 Kaz Kojima <kkojima@gcc.gnu.org>
5853 * function.c (expand_function_end): Revert part of 2005-06-27
5854 patch. Do sjlj_emit_function_exit_after after return_label.
5856 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
5858 * doc/install.texi (--disable-libssp): New.
5860 2005-07-06 Fariborz Jahanian <fjahanian@apple.com>
5862 * doc/invoke.texi: Update -fforce-mem documentation.
5863 * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5864 code for -fforce-mem.
5865 * expmed.c: (store_bit_field,store_fixed_bit_field,
5866 extract_bit_field): Ditto.
5867 * expr.c: (convert_move): Ditto.
5868 * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5869 expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5870 emit_conditional_add,expand_float,expand_fix): Ditto.
5871 * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5872 (common_handle_option): Issue warning when -fforce-mem specified.
5874 2005-07-06 Paul Brook <paul@codesourcery.com>
5876 * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5878 * configure: Regenerate.
5880 2005-07-06 J"orn Rennecke <joern.rennecke@st.com>
5882 * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5884 2005-07-06 Daniel Berlin <dberlin@dberlin.org>
5886 Fix PR tree-optimization/22319
5887 Fix PR tree-optimization/22140
5888 Fix PR tree-optimization/22310
5890 * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5891 variable sized types.
5892 Use correct type for intermediate structure on *a = *b structure
5895 2005-07-06 Jakub Jelinek <jakub@redhat.com>
5897 * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5899 (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5900 (machine_function): Move typedef to...
5901 * config/rs6000/rs6000.c (machine_function): ... here. Add
5902 varargs_save_offset field.
5903 (rs6000_stack_t): Remove varargs_size field.
5904 (setup_incoming_varargs): Allocate varargs save area using
5905 assign_stack_local, try to make it as small as possible.
5906 Save offset from virtual_stack_vars_rtx to the save area
5907 in cfun->machine->varargs_save_offset. Use UNITS_PER_FP_WORD
5908 instead of magic 8 when fp word byte size is used.
5909 (rs6000_va_start): Use cfun->machine->varargs_save_offset
5910 instead of -RS6000_VARARGS_SIZE.
5911 (rs6000_stack_info, debug_stack_info,
5912 rs6000_initial_elimination_offset): Remove all traces of
5914 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5915 * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5916 RS6000_VARARGS_AREA.
5918 2005-07-06 Zdenek Dvorak <dvorakz@suse.cz>
5920 PR tree-optimization/21963
5921 * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5922 constant_multiple_of in the same way get_computation_cost_at does.
5924 2005-07-06 Jakub Jelinek <jakub@redhat.com>
5926 * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5927 * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5928 (gen_compare_reg): If sparc_compare_emitted is set, clear it
5929 and return its previous value.
5930 (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5931 * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5933 (stack_protect_set, stack_protect_test): New expanders.
5934 (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5935 stack_protect_testdi): New insns.
5936 * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5937 * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5939 2005-07-06 Jeff Law <law@redhat.com>
5941 * tree-ssa-dce.c (cfg_altered): New global.
5942 (tree_dce_init): Initialize cfg_altered.
5943 (remove_dead_stmt): If we remove an edge in the CFG, then set
5945 (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5948 2005-07-06 Kazu Hirata <kazu@codesourcery.com>
5950 * Makefile.in (stamp-collect-ld): Use
5951 $(ORIGINAL_LD_FOR_TARGET) instead of $<. Don't remove
5952 ./collect-ld if it already exists.
5953 (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5954 Don't remove ./nm if it already exists.
5956 2005-07-05 Devang Patel <dpatel@apple.com>
5958 * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5959 (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5960 * tree-vectorizer.c (vect_loop_location): New.
5961 (vect_print_dump_info): Use vect_loop_location.
5962 (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
5963 (vectorize_loops): Set vect_loop_location.
5964 * tree-vect-analyze.c (vect_analyze_offset_expr,
5965 vect_determin_vectorization_factor, vect_analyze_operations,
5966 vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
5967 vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
5968 vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
5969 vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
5970 vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
5971 vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
5972 vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
5973 vect_analyze_loop): Adjust vect_print_dump_info API.
5974 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5975 vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
5976 vect_finish_stmt_generation, vectorizable_assignment,
5977 vectorizable_operation, vectorizable_store, vectorizable_load,
5978 vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
5979 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
5980 vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
5981 vect_transform_loop): Same.
5982 * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
5983 vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
5986 2005-07-05 Randolph Chung <tausq@debian.org>
5988 * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
5989 * configure: Regenerate.
5990 * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
5991 (pa_tls_referenced_p): Declare.
5992 * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
5993 (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
5994 (legitimize_tls_address): New.
5995 (hppa_legitimize_address): Handle TLS addresses.
5996 (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
5997 (TARGET_CANNOT_FORCE_CONST_MEM): Define.
5998 (emit_move_sequence): Handle TLS addresses.
5999 (pa_encode_section_info): Call default handler to handle common
6001 * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6002 (CONSTANT_ADDRESS_P): Reject TLS operands.
6003 (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6004 * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6005 (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6006 (UNSPEC_TLSLE): Define new constants.
6007 (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6008 * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6009 (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6010 (tie_symbolic_operand, tle_symbolic_operand): New
6012 2005-07-06 Kelley Cook <kcook@gcc.gnu.org>
6014 * aclocal.m4: Update macros for autoconf 2.59 style.
6015 * configure.ac: Likewise.
6017 2005-07-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6019 * pa.c (function_value): Handle small aggregates on 32-bit targets.
6020 (function_arg): Pass small aggregates in general registers on 32-bit
6022 * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6024 2005-07-05 Andrew Pinski <pinskia@physics.uc.edu>
6026 * Makefile.in (final.o): Fix dependencies.
6028 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6032 * langhooks.h (struct lang_hooks): Add expr_to_decl.
6033 * langhooks.c (lhd_expr_to_decl): New.
6034 * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6036 (LANG_HOOKS_INITIALIZER): Update.
6037 * tree.c (recompute_tree_invarant_for_addr_expr): Call
6038 expr_to_decl langhook.
6039 * c-tree.h (c_expr_to_decl): Declare.
6040 * c-typeck.c (c_expr_to_decl): New.
6041 (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6043 * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6045 2005-07-05 Joseph S. Myers <joseph@codesourcery.com>
6048 * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6049 C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6051 2005-07-05 Paolo Bonzini <bonzini@gnu.org>
6053 * Makefile.in: Adjust dependencies.
6054 * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6055 * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6056 * alias.c (rest_of_handle_cfg, pass_cfg): New.
6057 * bb-reorder.c (duplicate_computed_gotos): Make it static.
6058 * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6059 rest_of_compilation.
6061 * bb-reorder.c (gate_duplicate_computed_gotos,
6062 pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6063 rest_of_handle_reorder_blocks, pass_reorder_blocks,
6064 gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6065 pass_partition_blocks): New.
6066 * bt-load.c (gate_handle_branch_target_load_optimize,
6067 rest_of_handle_branch_target_load_optimize,
6068 pass_branch_target_load_optimize): New.
6069 * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6071 * cfglayout.c (pass_insn_locators_initialize): New.
6072 * cfgrtl.c (pass_free_cfg): New.
6073 * combine.c (gate_handle_combine, rest_of_handle_combine,
6075 * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6076 gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6077 * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6078 * except.c (pass_set_nothrow_function_flags,
6079 pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6081 * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6082 rest_of_handle_shorten_branches, pass_shorten_branches,
6083 rest_of_clean_state, pass_clean_state): New.
6084 * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6085 rest_of_handle_remove_death_notes, pass_remove_death_notes,
6086 rest_of_handle_life, pass_life, rest_of_handle_flow2,
6088 * function.c (pass_instantiate_virtual_regs, pass_init_function,
6089 rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6090 * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6091 pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6093 * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6094 * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6095 pass_rtl_ifcvt, gate_handle_if_after_combine,
6096 rest_of_handle_if_after_combine, pass_if_after_combine,
6097 gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6098 pass_if_after_reload): New.
6099 * integrate.c (pass_initial_value_sets): New.
6100 * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6101 pass_purge_lineno_notes): New.
6102 * mode-switching.c (rest_of_handle_mode_switching,
6103 pass_mode_switching): New.
6104 * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6105 * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6107 * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6108 pass_loop_optimize): New.
6109 * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6111 * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6113 * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6114 pass_postreload_cse): New.
6115 * profile.c (gate_handle_profiling, pass_profiling,
6116 rest_of_handle_branch_prob, pass_branch_prob): New.
6117 * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6118 pass_split_before_regstack, gate_handle_split_before_regstack,
6119 gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6120 rest_of_handle_split_all_insns, pass_split_all_insns): New.
6121 * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6122 pass_stack_regs): New.
6123 * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6124 gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6125 pass_stack_adjustments): New.
6126 * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6127 pass_regrename): New.
6128 * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6129 pass_delay_slots, gate_handle_machine_reorg,
6130 rest_of_handle_machine_reorg, pass_machine_reorg): New.
6131 * rtl.h (extern void purge_line_number_notes): New.
6132 * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6133 gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6135 * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6137 * value-prof.c (gate_handle_value_profile_transformations,
6138 rest_of_handle_value_profile_transformations,
6139 pass_value_profile_transformations): New.
6140 * var-tracking.c (gate_handle_var_tracking,
6141 pass_variable_tracking): New.
6142 * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6144 * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6145 rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6146 rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6147 rest_of_handle_old_regalloc, rest_of_handle_regrename,
6148 rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6149 rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6150 rest_of_handle_gcse2, rest_of_handle_regmove,
6151 rest_of_handle_tracer, rest_of_handle_if_conversion,
6152 rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6153 rest_of_handle_web, rest_of_handle_branch_prob,
6154 rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6155 rest_of_handle_jump_bypass, rest_of_handle_combine,
6156 rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6157 rest_of_handle_gcse, rest_of_handle_loop_optimize,
6158 rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6159 rest_of_handle_mode_switching, rest_of_handle_jump,
6160 rest_of_handle_eh, rest_of_handle_stack_adjustments,
6161 rest_of_handle_flow2, rest_of_handle_jump2,
6162 rest_of_handle_peephole2, rest_of_handle_postreload,
6163 rest_of_handle_shorten_branches, rest_of_clean_state,
6164 rest_of_compilation): Remove.
6166 * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6167 * passes.c (dump_flags, in_gimple_form, all_passes,
6168 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6169 register_dump_files, next_pass_1, last_verified, execute_todo,
6170 execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6171 from tree-optimize.c.
6172 (init_optimization_passes): Moved from tree-optimize.c,
6173 adding the RTL optimizations.
6174 * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6175 * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6176 all_ipa_passes, all_lowering_passes, register_one_dump_file,
6177 register_dump_files, next_pass_1, last_verified, execute_todo,
6178 execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6179 init_tree_optimization_passes, ipa_passes): Delete.
6180 * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6182 (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6183 dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6185 (ipa_passes): Remove.
6186 (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6187 * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6188 dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6189 dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6190 (dump_info_p, dump_flag): Moved to tree-dump.h.
6192 * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6194 * passes.c (finish_optimization_passes): Use dump_begin
6195 and dump_end, TDI_end.
6196 (gate_rest_of_compilation): New.
6197 (pass_rest_of_compilation): Use it.
6198 (gate_postreload, pass_postreload): New.
6199 * toplev.c (general_init): Rename init_tree_optimization_passes.
6200 * toplev.h (init_tree_optimization_passes): Rename to
6201 init_optimizations_passes.
6202 * tree-dump.c (dump_flag): Make static.
6203 (dump_files): Remove RTL dumps.
6204 * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6205 pass_cleanup_cfg, pass_free_cfg_annotations,
6206 pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6207 pass_init_datastructures, pass_fixup_cfg): Make non-static.
6208 * tree-pretty-print.c: Include tree-pass.h.
6209 * cgraph.c: Include tree-dump.h.
6211 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6213 * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6214 Only fall back to saying it points to readonly memory if
6217 2005-07-05 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6219 * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6220 * config/m32r/m32r.c (m32r_compute_frame_size,
6221 m32r_expand_prologue): Take current_function_profile into
6222 account whenever we reference
6223 current_function_uses_pic_offset_table.
6224 (m32r_finalize_pic): Remove.
6225 * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6227 2005-07-05 Kazu Hirata <kazu@codesourcery.com>
6229 * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6230 instead of $<. Don't remove ./as if it already exists.
6232 2005-07-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6235 * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6236 * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6237 for complex modes when generating code for PA 1.0.
6238 (VALID_FP_MODE_P): New macro.
6239 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6240 sets for all general and floating point modes. Align wide floating
6241 point modes to even register boundaries to comply with architectural
6243 (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6244 * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6245 (VALID_FP_MODE_P): New macro.
6246 (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P. Use non-overlapping register
6247 sets for all general and floating point modes. Align wide floating
6248 point modes to even register boundaries to comply with architectural
6251 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6253 * tree-dump.c (dump_files): Initialize dump number for .cgraph
6256 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6258 * tree-ssa-structalias.c: Don't include expr.h.
6260 2005-07-04 Diego Novillo <dnovillo@redhat.com>
6262 * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6265 2005-07-04 Daniel Berlin <dberlin@dberlin.org>
6267 Fix PR tree-optimization/22279
6269 * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6272 2005-07-04 J"orn Rennecke <joern.rennecke@st.com>
6274 * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6276 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6278 * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6279 cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6280 config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6281 config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6282 config/stormy16/stormy16.c, config/v850/v850.c,
6283 config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6284 except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6285 Avoid "." or "\n" at end of diagnostics and capital letters at
6286 start of diagnostics.
6287 * combine.c, cse.c: Don't translate dump file output.
6288 * toplev.c (print_version): Only translate output if going to
6291 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6293 * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6294 config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6297 2005-07-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6299 * pa.c (fix_range): Fix typo in comment.
6301 2005-07-03 Kazu Hirata <kazu@codesourcery.com>
6303 * tree-vrp.c (extract_range_from_assert): Replace
6304 fold (build (...)) with fold_build2.
6306 2005-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6308 * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6309 gcc_gfc_char_table, init_dynamic_gfc_info): New.
6310 (format_types_orig, handle_format_attribute): Add support for
6313 2005-07-03 Gabriel Dos Reis <gdr@integrable-solutions.net>
6315 * varasm.c (assemble_variable): Fix format specifier thinko.
6317 2005-07-03 Ira Rosen <irar@il.ibm.com>
6319 PR tree-optimization/22029 (and 22135)
6320 * tree-pretty-print.c (dump_generic_node): Check that the node is not
6321 a phi node before calling dump_vops.
6323 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6325 * tree-dump.h (dump_string_field): Declare.
6326 * tree-dump.c: Use it instead of dump_string.
6327 (dump_string_field): Make non-static.
6329 2005-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
6331 * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6332 up the minimal CFG stuff always when optimize > 0. Call
6333 split_all_insns_noflow in PIC case if needed.
6335 2005-07-02 Gabriel Dos Reis <gdr@integrable-solutions.net>
6336 Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6339 * c-decl.c (c_write_global_declarations): Dump contents of
6341 * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6342 <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6343 <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6344 (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6347 2005-07-03 Joseph S. Myers <joseph@codesourcery.com>
6349 * c-common.h (GCC_DIAG_STYLE): Define.
6350 * c-tree.h (GCC_DIAG_STYLE): Do not define. Change minimum GCC
6351 version for format checking to 4.1.
6352 * c-format.c: Include toplev.h after c-common.h.
6353 (enum format_type): Add gcc_tdiag_format_type.
6354 (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6355 gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6356 (format_types_orig): Add gcc_tdiag.
6357 (init_dynamic_diag_info): Support gcc_tdiag formats.
6358 (handle_format_attribute): Likewise.
6359 * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6360 (GCC_DIAG_STYLE): Default to __gcc_tdiag__. Change minimum GCC
6361 version for format checking to 4.1.
6362 (warning0, warning, error, pedwarn, sorry): Use
6364 * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6365 (finish_aliases_1): Do not use %qE.
6366 * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6367 config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6368 Correct format bugs.
6369 * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6370 parameter to unsigned HOST_WIDE_INT.
6371 * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6373 2005-07-02 David Edelsohn <edelsohn@gnu.org>
6376 * expr.c (write_complex_part): Use adjust_address for MEM.
6377 (read_complex_part): Same.
6379 2005-07-02 Daniel Berlin <dberlin@dberlin.org>
6381 Fix PR tree-optimization/22280
6383 * tree-sra.c (generate_element_init): Remove useless loop.
6385 2005-07-02 Richard Henderson <rth@redhat.com>
6387 * config/alpha/alpha.c (alpha_legitimize_address): Check for
6389 (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6391 2005-07-02 Andrew Pinski <pinskia@physics.uc.edu>
6394 * fold-const.c (fold_binary): Handle the return value of
6395 fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6396 Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6398 2005-07-02 Jeff Law <law@redhat.com>
6400 * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6401 a eliminate type conversion which feeds an equality comparison
6402 if the original type or either operand in the comparison is a
6405 2005-07-02 Joseph S. Myers <joseph@codesourcery.com>
6407 * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6408 config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6410 * config/avr/avr.c: Do not use '`' as left quote.
6411 * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6412 Remove "." from end of diagnostics. Make diagnostics start with
6415 2005-07-02 Zack Weinberg <zack@codesourcery.com>
6416 Joseph S. Myers <joseph@codesourcery.com>
6418 * toplev.c (default_tree_printer): Handle setting location with
6420 * c-objc.common.c (c_tree_printer): Likewise.
6421 * c-format.c (gcc_diag_flag_specs): Add '+'.
6422 (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6423 (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6425 * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6426 config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6427 config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6428 config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6429 tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6430 instead of %J or %H. Use 'q' flag for quoting. Avoid '.' at end
6431 of diagnostics. Use %q+D not %s for a decl. Do not pass excess
6432 format arguments where %J is used without %D.
6434 2005-07-02 Jakub Jelinek <jakub@redhat.com>
6436 * gcc.c (LINK_SSP_SPEC): Define.
6437 (link_ssp_spec): New variable.
6438 (LINK_COMMAND_SPEC): Add %(link_ssp).
6439 (static_specs): Add link_ssp_spec.
6440 * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6441 * configure: Rebuilt.
6442 * config.in: Rebuilt.
6444 * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6445 * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6446 * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6447 * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6448 * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6449 If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6450 -0x7008(2) instead of reading __stack_chk_guard variable.
6451 * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6453 (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6454 (stack_protect_set, stack_protect_test): Use *_tls* patterns
6455 if TARGET_THREAD_SSP_OFFSET is defined.
6456 (stack_tls_protect_set_si, stack_tls_protect_set_di,
6457 stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6460 2005-06-27 Richard Henderson <rth@redhat.com>
6461 * libgcc-std.ver (GCC_4.1.0): New.
6462 * libgcc.h (__stack_chk_guard): Declare.
6463 (__stack_chk_fail, __stack_chk_fail_local): Declare.
6464 * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6465 * mklibgcc.in (lib2funcs): Add them.
6467 2005-07-01 Richard Henderson <rth@redhat.com>
6469 * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6470 void * before struct sigcontext *.
6471 (x86_fallback_frame_state): Likewise.
6473 2005-07-01 James E. Wilson <wilson@specifixinc.com>
6475 * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6477 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
6480 * tree-ssa-reassoc.c (should_transpose): Fix which operand
6481 we check for SSA_NAME for.
6483 2005-07-01 Daniel Berlin <dberlin@dberlin.org>
6485 Fix PR tree-optimization/22071
6487 * tree-ssa-structalias.c (offset_overlaps_with_access): New
6489 (get_constraint_for_component_ref): Use it.
6491 2005-07-01 Andrew Pinski <pinskia@physics.uc.edu>
6494 * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6495 print out the last new line.
6497 2005-07-01 Hans-Peter Nilsson <hp@axis.se>
6499 * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6500 Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6501 * config/cris/cris.c (cris_conditional_register_usage): Adjust
6502 reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6503 (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6504 (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6505 * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6506 (enum reg_class): New member CC0_REGS.
6507 (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6508 (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6509 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6510 (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6511 (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6512 Adjust for register now described.
6514 2005-07-01 Jakub Jelinek <jakub@redhat.com>
6517 * config/i386/i386.md (stack_protect_test_si,
6518 stack_protect_test_di): Add earlyclobber for scratch 3.
6519 * config/rs6000/rs6000.md (stack_protect_testsi,
6520 stack_protect_testdi): Add earlyclobber for scratch 3,
6521 remove earlyclobber from scratch 4.
6523 Older entries for 2005 can be found in ChangeLog-2005.