1 2010-04-19 Jan Hubicka <jh@suse.cz>
3 * opts.c (decode_options): Disable whpr incompatible passes.
4 * lto/lto.c (lto_1_to_1_map): Skip clones.
5 (read_cgraph_and_symbols): Do not mark everything as needed.
6 (do_whole_program_analysis): Do map only after optimizing;
7 set proper cgraph_state; use passmanager.
9 2010-04-19 DJ Delorie <dj@redhat.com>
11 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
12 POINTER_PLUS_EXPR and fix them.
14 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
16 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
17 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
18 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
19 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
20 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
21 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
22 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
23 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
24 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
25 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
26 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
28 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
30 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
31 (check_cond_move_block): Likewise.
32 (cond_move_process_if_block): Likewise.
33 (noce_find_if_block): Improve formatting.
34 (find_if_header): Pass 0 to memset and tweak conditions.
35 (cond_exec_find_if_block): Fix long lines and tweak conditions.
37 2010-04-19 Jakub Jelinek <jakub@redhat.com>
39 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
43 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
44 with non-local decl doesn't need chain.
46 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
48 * ira-color.c (allocno_reload_assign): Avoid accumulating
49 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
51 2010-04-19 Martin Jambor <mjambor@suse.cz>
53 * gimple.h (create_tmp_reg): Declare.
54 * gimplify.c (create_tmp_reg): New function.
55 (gimplify_return_expr): Use create_tmp_reg.
56 (gimplify_omp_atomic): Likewise.
57 (gimple_regimplify_operands): Likewise.
58 * tree-dfa.c (make_rename_temp): Likewise.
59 * tree-predcom.c (predcom_tmp_var): Likewise.
60 (reassociate_to_the_same_stmt): Likewise.
61 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
62 (get_replaced_param_substitute): Likewise.
63 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
64 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
65 * tree-ssa-pre.c (get_representative_for): Likewise.
66 (create_expression_by_pieces): Likewise.
67 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
68 (create_tailcall_accumulator): Likewise.
70 2010-04-19 Martin Jambor <mjambor@suse.cz>
72 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
74 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
76 2010-04-19 Richard Guenther <rguenther@suse.de>
78 PR tree-optimization/43796
79 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
80 from SCEV in the lattice.
81 (vrp_visit_phi_node): Dump change.
83 2010-04-19 Richard Guenther <rguenther@suse.de>
85 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
86 * configure: Re-generated.
88 2010-04-19 Richard Guenther <rguenther@suse.de>
90 PR tree-optimization/43783
91 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
92 constant ARRAY_REF operands two and three if possible.
94 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
97 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
99 2010-04-19 Jie Zhang <jie@codesourcery.com>
102 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
104 2010-04-19 Ira Rosen <irar@il.ibm.com>
106 PR tree-optimization/37027
107 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
108 and macro to access it.
109 (vectorizable_reduction): Add argument.
110 (vect_get_slp_defs): Likewise.
111 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
112 statements for possible use in SLP.
113 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
114 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
115 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
117 (vectorizable_reduction): Likewise.
118 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
120 (vectorizable_type_demotion, vectorizable_type_promotion,
121 vectorizable_store): Likewise.
122 (vect_analyze_stmt): Update call to vectorizable_reduction.
123 (vect_transform_stmt): Likewise.
124 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
125 (vect_build_slp_tree): Fix indentation. Check that there are no loads
126 from different interleaving chains in same node.
127 (vect_slp_rearrange_stmts): New function.
128 (vect_supported_load_permutation_p): Allow load permutations for
129 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
130 inside SLP nodes if necessary.
131 (vect_analyze_slp_instance): Handle reductions.
132 (vect_analyze_slp): Try to build SLP instances originating from groups
134 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
135 (vect_get_constant_vectors): Create initial vectors for reductions
136 according to reduction code. Add new argument.
137 (vect_get_slp_defs): Add new argument, pass it to
138 vect_get_constant_vectors.
139 (vect_schedule_slp_instance): Remove SLP tree root statements.
141 2010-04-19 Jakub Jelinek <jakub@redhat.com>
143 * tree.h (ENUM_IS_SCOPED): Define.
144 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
145 for ENUM_IS_SCOPED enums.
147 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
149 * fold-const.c (fold_comparison): Use ssizetype.
150 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
151 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
152 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
153 * tree-object-size.c (compute_object_sizes): Use size_type_node.
155 * tree.h (initialize_sizetypes): Remove parameter.
156 (build_common_tree_nodes): Remove second parameter.
157 * stor-layout.c (initialize_sizetypes): Remove parameter.
158 Always create an unsigned type.
159 (set_sizetype): Assert that the passed type is unsigned and simplify.
160 * tree.c (build_common_tree_nodes): Remove second parameter.
161 Adjust call to initialize_sizetypes.
162 * c-decl.c (c_init_decl_processing): Remove second argument in call to
163 build_common_tree_nodes.
165 2010-04-18 Matthias Klose <doko@ubuntu.com>
167 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
169 2010-04-18 Ira Rosen <irar@il.ibm.com>
171 PR tree-optimization/43771
172 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
173 load permutation doesn't have gaps.
175 2010-04-18 Jan Hubicka <jh@suse.cz>
177 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
178 (sse_prologue_save_insn expander): Use new pattern.
179 (sse_prologue_save_insn1): New pattern and splitter.
180 (sse_prologue_save_insn): Update to deal also with 64bit aligned
182 * i386.c (setup_incoming_varargs_64): Do not compute jump
184 (ix86_gimplify_va_arg): Update alignment needed.
185 (ix86_local_alignment): Do not align all local arrays to 128bit.
187 2010-04-17 Jan Hubicka <jh@suse.cz>
189 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
191 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
193 * arm.md (negdi2): Remove redundant code to force values into a
196 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
198 * arm/bpabi.S: Add EABI alignment attributes to objects.
199 * arm/bpabi-v6m.S: Likewise.
200 * arm/crti.asm: Likewise.
201 * arm/crtn.asm: Likewise.
202 * arm/lib1funcs.asm: Likewise.
203 * arm/libunwind.S: Likewise.
205 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
207 * arm-protos.h (tune_params): New structure.
208 * arm.c (current_tune): New variable.
209 (arm_constant_limit): Delete.
210 (struct processors): Add pointer to the tune parameters.
211 (arm_slowmul_tune): New tuning option.
212 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
213 (all_cores): Adjust to pick up the tuning model.
214 (arm_constant_limit): New function.
215 (arm_override_options): Select the appropriate tuning model. Delete
216 initialization of arm_const_limit.
217 (arm_split_constant): Use the new constant-limit model.
218 (arm_rtx_costs): Pick up the current tuning model.
219 * arm.md (is_strongarm, is_xscale): Delete.
220 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
221 for Xscale variant architectures.
222 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
224 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
226 * config/arm/arm.c (arm_gen_constant): Remove unused variable
228 (arm_rtx_costs_1): Remove unused variable extra_cost.
229 (arm_unwind_emit_set): Use variable offset.
230 (thumb1_output_casesi): Remove unused variable flags.
232 2010-04-16 Jeff Law <law@redhat.com>
234 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
235 needing assignment rather than doing a two-phase assignment. Remove
238 2010-04-16 Jakub Jelinek <jakub@redhat.com>
241 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
243 2010-04-16 Doug Kwan <dougkwan@google.com>
245 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
246 (next_operand_entry_id): New static variable.
247 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
248 (add_to_ops_vec): Assigned unique ID to operand entry.
249 (struct oecount_s): New field ID.
250 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
251 (undistribute_ops_list): Assign unique IDs to oecounts.
252 (init_reassoc): reset next_operand_entry_id.
254 2010-04-16 Doug Kwan <dougkwan@google.com>
256 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
257 missing left parenthesis.
259 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
261 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
262 *btdi_rex64 using SWI48 mode iterator.
263 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
264 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
265 *jcc_btdi_mask_rex64.
267 2010-04-16 Anatoly Sokolov <aesok@post.ru>
269 * double-int.h (tree_to_double_int): Convert to macro.
270 * double-int.c (tree_to_double_int): Remove.
272 2010-04-16 Jakub Jelinek <jakub@redhat.com>
275 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
276 with want_address 2 and in case a single element list might be
277 possible, call it again with want_address 0.
279 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
281 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
282 case 'W' print operands for HI mode.
283 * config/h8300/h8300.h (Y0, Y2) : New constraints.
284 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
285 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
286 * config/h8300/predicate.md (bit_register_indirect_operand): New.
288 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
290 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
291 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
292 #xx:3 and #xx:4 mode.
294 * config/h8300/h8300.md (inverted load with HImode dest): Add
297 * config/h8300/predicate.md (bit_operand): Allow immediate values that
298 satisfy 'U' constraint.
300 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
302 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
304 * configure: Regenerate.
305 * config.in: Regenerate.
306 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
309 2010-04-16 Richard Guenther <rguenther@suse.de>
311 * tree.h (struct tree_decl_minimal): Move pt_uid ...
312 (struct tree_decl_common): ... here.
313 (DECL_PT_UID): Adjust.
314 (SET_DECL_PT_UID): Likewise.
315 (DECL_PT_UID_SET_P): Likewise.
317 2010-04-16 Richard Guenther <rguenther@suse.de>
319 PR tree-optimization/43572
320 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
321 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
322 * tree-flow.h (is_call_clobbered): Remove.
323 * tree-flow-inline.h (is_call_clobbered): Likewise.
324 * tree-dfa.c (dump_variable): Do not dump call clobber state.
325 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
326 (execute_return_slot_opt): Adjust.
327 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
328 check for call clobbered vars here.
329 (find_tail_calls): Move tailcall verification to the
332 2010-04-16 Diego Novillo <dnovillo@google.com>
334 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
337 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
340 * config/arm/arm.md (cbranchqi4): New pattern.
341 * config/arm/predicates.md (const0_operand,
342 cbranchqi4_comparison_operator): New predicates.
344 2010-04-16 Richard Guenther <rguenther@suse.de>
346 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
347 (dump_gimple_stmt): Likewise.
349 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
351 * recog.h (struct recog_data): New field is_operator.
352 (struct insn_operand_data): New field is_operator.
353 * recog.c (extract_insn): Set recog_data.is_operator.
354 * genoutput.c (output_operand_data): Emit code to set the
356 * reload.c (find_reloads): Use it rather than testing for an
357 empty constraint string.
360 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
361 If the previous insn is a cbranchsi4_insn with the same arguments,
362 omit the compare instruction.
364 * config/arm/arm.md (addsi3_cbranch): If destination is a high
365 register, inputs must be low registers and we need a low register
366 scratch. Handle alternative 2 like alternative 3.
368 2010-04-16 Jakub Jelinek <jakub@redhat.com>
370 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
371 don't call get_addr on both. If one expression is a VALUE and
372 the other a REG, check VALUE's locs if the REG isn't among them.
374 2010-04-16 Christian Bruel <christian.bruel@st.com>
376 * config/sh/sh.h (sh_frame_pointer_required): New function.
377 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
378 (flag_omit_frame_pointer) Set.
379 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
380 (rounded_frame_size): Adjust size with outgoing_args_size.
381 (sh_set_return_address): Must return from stack pointer.
382 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
383 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
384 (ACCUMULATE_OUTGOING_ARGS): Define.
385 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
386 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
388 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
391 * config/sh/sh.c (sh_legitimize_reload_address): Use
392 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
393 Remove a unneeded check for offset_base.
395 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
397 * configure: Regenerated.
399 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
401 * config/s390/s390.c (s390_call_save_register_used): Switch back
404 2010-04-15 Richard Guenther <rguenther@suse.de>
406 * alias.c (alias_set_subset_of): Handle alias-set zero
409 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
410 Julian Brown <julian@codesourcery.com>
412 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
413 alternatives according to use of high and low regs.
414 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
415 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
416 optimizing for size on Thumb-2.
418 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
420 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
422 2010-04-15 Richard Guenther <rguenther@suse.de>
424 * tree-ssa-structalias.c (struct variable_info): Add
426 (new_var_info): Initialize it.
427 (dump_constraints): Support printing last added constraints.
428 (debug_constraints): Adjust.
429 (dump_constraint_graph): Likewise.
430 (make_heapvar_for): Check for NULL cfun.
431 (get_function_part_constraint): New function.
432 (get_fi_for_callee): Likewise.
433 (find_func_aliases): Properly implement IPA PTA constraints.
434 (process_ipa_clobber): New function.
435 (find_func_clobbers): Likewise.
436 (insert_into_field_list_sorted): Remove.
437 (create_function_info_for): Properly allocate vars for IPA mode.
438 Do not use insert_into_field_list_sorted.
439 (create_variable_info_for): Properly generate constraints for
440 global vars in IPA mode.
441 (dump_solution_for_var): Always dump the solution.
442 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
443 (find_what_var_points_to): Adjust.
444 (pt_solution_set): Change.
445 (pt_solution_ior_into): New function.
446 (pt_solution_empty_p): Export.
447 (pt_solution_includes_global): Adjust.
448 (pt_solution_includes_1): Likewise.
449 (pt_solutions_intersect_1): Likewise.
450 (dump_sa_points_to_info): Check some invariants.
451 (solve_constraints): Move constraint dumping ...
452 (compute_points_to_sets): ... here.
453 (ipa_pta_execute): ... and here.
454 (compute_may_aliases): Do not re-compute points-to info
455 locally if IPA info is available.
456 (ipa_escaped_pt): New global var.
457 (ipa_pta_execute): Properly implement IPA PTA.
458 * tree-into-ssa.c (dump_decl_set): Support dumping
459 decls not in referenced-vars.
460 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
461 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
462 (dump_points_to_solution): Likewise.
463 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
464 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
465 (remap_gimple_stmt): Reset call clobber/use information if
467 (copy_decl_to_var): Copy DECL_PT_UID.
468 (copy_result_decl_to_var): Likewise.
469 * tree.c (make_node_stat): Initialize DECL_PT_UID.
470 (copy_node_stat): Copy it.
471 * tree.h (DECL_PT_UID): New macro.
472 (SET_DECL_PT_UID): Likewise.
473 (DECL_PT_UID_SET_P): Likewise.
474 (struct tree_decl_minimal): Add pt_uid member.
475 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
476 (pt_solution_empty_p): Declare.
477 (pt_solution_set): Adjust.
478 (ipa_escaped_pt): Declare.
479 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
480 * gimple-pretty-print.c (pp_points_to_solution): New function.
481 (dump_gimple_call): Dump call clobber/use information.
482 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
483 * tree-pass.h (TDF_ALIAS): New dump option.
484 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
485 * doc/invoke.texi (-fipa-pta): Update documentation.
487 2010-04-15 Richard Guenther <rguenther@suse.de>
489 * Makefile.in (OBJS-common): Add gimple-fold.o.
490 (gimple-fold.o): New rule.
491 * tree.h (maybe_fold_offset_to_reference,
492 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
494 * gimple.h: ... here.
495 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
496 may_propagate_address_into_dereference): Move prototypes ...
497 * gimple.h: ... here.
498 * tree-ssa-ccp.c (get_symbol_constant_value,
499 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
500 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
501 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
502 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
503 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
504 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
505 gimplify_and_update_call_from_tree): Move ...
506 * gimple-fold.c: ... here. New file.
507 (ccp_fold_builtin): Rename to ...
508 (gimple_fold_builtin): ... this.
509 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
511 2010-04-15 Richard Guenther <rguenther@suse.de>
513 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
514 fit_double_type, force_fit_type_double, add_double_with_sign,
515 neg_double, mul_double_with_sign, lshift_double, rshift_double,
516 lrotate_double, rrotate_double, div_and_round_double): Move ...
517 * double-int.c: ... here.
518 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
519 add_double, neg_double, mul_double_with_sign, mul_double,
520 lshift_double, rshift_double, lrotate_double, rrotate_double,
521 div_and_round_double): Move prototypes ...
522 * double-int.h: ... here.
524 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
527 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
528 matching constraints to ensure inputs match the output.
530 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
533 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
534 in an input-only operand.
536 2010-04-15 Anatoly Sokolov <aesok@post.ru>
538 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
539 (double_int_not, double_int_lshift, double_int_rshift): Declare.
540 (double_int_negative_p): Convert to static inline function.
541 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
542 (double_int_negative_p): Remove.
543 * tree.h (lshift_double, rshift_double):
544 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
545 * fold-const.c (fold_convert_const_int_from_real,
546 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
547 (lshift_double): Change type of arith argument to bool.
548 (rshift_double): Change type of arith argument to bool. Correct
550 * expmed.c (mask_rtx, lshift_value): (Ditto.).
552 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
555 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
556 at the start and end of the then/else blocks, and omit them from the
558 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
559 argument; all callers changed. Pass zero to old_insns_match_p instead.
560 (flow_find_head_matching_sequence): New function.
561 (old_insns_match_p): Check REG_EH_REGION notes for calls.
562 * basic-block.h (flow_find_cross_jump,
563 flow_find_head_matching_sequence): Declare functions.
565 2010-04-14 Jason Merrill <jason@redhat.com>
568 * c-common.c (attribute_takes_identifier_p): New fn.
569 * c-common.h: Declare it.
571 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
573 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
575 (*udivmod<mode>4): Ditto.
577 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
579 * config/i386/i386.md (maxmin_int): Rename code attribute from
580 maxminiprefix and update all users.
581 (maxmin_float): Ditto from maxminfprefix.
582 (logic): Ditto from logicprefix.
583 (absneg_mnemonic): Ditto from absnegprefix.
584 * config/i386/mmx.md: Update all users of maxminiprefix,
585 maxminfprefix and logicprefix for rename.
586 * config/i386/sse.md: Ditto.
587 * config/i386/sync.md (sync_<code><mode>): Update for
590 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
593 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
594 warnings converted to errors.
596 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
598 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
599 used insn_type variable.
600 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
601 to avoid set-but-not-used warning.
603 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
605 * df-core.c (df_ref_debug): Change format string placeholder
607 * dwarf2asm.c (dw2_asm_output_data_raw,
608 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
609 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
610 * dwarf2out.c (output_cfi, output_cfi_directive,
611 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
612 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
614 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
615 * print-rtl.c (print_rtx): Ditto.
617 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
620 * builtins.c (expand_builtin_pow_root): New function to expand pow
621 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
622 series of sqrt and cbrt calls under -ffast-math.
623 (expand_builtin_pow): Call it.
625 2010-04-14 Michael Matz <matz@suse.de>
627 PR tree-optimization/42963
628 * tree-cfg.c (touched_switch_bbs): New static variable.
629 (group_case_labels_stmt): New function broken out from ...
630 (group_case_labels): ... here, use the above.
631 (start_recording_case_labels): Allocate touched_switch_bbs.
632 (end_recording_case_labels): Deallocate it, call
633 group_case_labels_stmt.
634 (gimple_redirect_edge_and_branch): Remember index of affected BB.
636 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
638 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
641 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
643 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
645 2010-04-13 Jan Hubicka <jh@suse.cz>
647 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
648 of optimized out static functions.
649 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
650 cost computation. Also sanity check for overflows.
651 (update_caller_keys): Update cgraph_edge_badness call; properly
652 update fibheap and sanity check that it is up to date.
653 (add_new_edges_to_heap): Update cgraph_edge_badness.
654 (cgraph_decide_inlining_of_small_function): Likewise;
655 add sanity checking that badness in heap is up to date;
656 improve dumping of reason; Update badness of calls to the
657 offline copy of function currently inlined; dump badness
658 of functions not inlined because of unit growth limits.
660 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
663 * c-common.c (pointer_int_sum): Disregard overflow that occured only
664 because of sign-extension change when converting to sizetype here...
665 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
667 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
668 the folding to constants. Remove redundant final conversion.
669 (fold_binary) <associate>: Do not associate if the re-association of
670 constants alone overflows.
671 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
672 to the end of the list.
673 (multiple_of_p) <COND_EXPR>: New case.
675 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
677 * opt-functions.awk (opt_sanitized_name): New.
679 * optc-gen.awk: Use it
680 * opth-gen.awk: Use it.
682 2010-04-13 Martin Jambor <mjambor@suse.cz>
684 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
685 (sra_modify_assign): Delete stmts loading dead data even if racc has no
686 children. Call replace_uses_with_default_def_ssa_name to handle
689 2010-04-13 Michael Matz <matz@suse.de>
692 * builtins.c (expand_builtin_interclass_mathfn): Also create
693 a register if the predicate doesn't match.
695 2010-04-13 Diego Novillo <dnovillo@google.com>
697 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
698 * c-pch.c: Include timevar.h.
699 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
700 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
701 * ggc-common.c: Include timevar.h.
702 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
703 * timevar.def (TV_PCH_SAVE): Define.
704 (TV_PCH_CPP_SAVE): Define.
705 (TV_PCH_PTR_REALLOC): Define.
706 (TV_PCH_PTR_SORT): Define.
707 (TV_PCH_RESTORE): Define.
708 (TV_PCH_CPP_RESTORE): Define.
710 2010-04-13 Michael Matz <matz@suse.de>
712 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
714 (can_reassociate_p): New function.
715 (break_up_subtract_bb, reassociate_bb): Use it.
717 2010-04-13 Richard Guenther <rguenther@suse.de>
720 * builtins.c (c_readstr): Fix assert.
722 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
724 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
725 when generating cltd insn.
727 (*ashl<mode>3_1): Remove special handling for register operand 2.
728 (*ashlsi3_1_zext): Ditto.
730 (*ashlhi3_1_lea): Ditto.
732 (*ashlqi3_1_lea): Ditto.
733 (*<shiftrt_insn><mode>3_1): Ditto.
734 (*<shiftrt_insn>si3_1_zext): Ditto.
735 (*<shiftrt_insn>qi3_1_slp): Ditto.
736 (*<rotate_insn><mode>3_1): Ditto.
737 (*<rotate_insn>si3_1_zext): Ditto.
738 (*<rotate_insn>qi3_1_slp): Ditto.
740 2010-04-13 Richard Guenther <rguenther@suse.de>
742 * tree-ssa-structalias.c (callused_id): Remove.
743 (call_stmt_vars): New.
744 (get_call_vi): Likewise.
745 (lookup_call_use_vi): Likewise.
746 (lookup_call_clobber_vi): Likewise.
747 (get_call_use_vi): Likewise.
748 (get_call_clobber_vi): Likewise.
749 (make_transitive_closure_constraints): Likewise.
750 (handle_const_call): Adjust to do per-call call-used handling.
751 (handle_pure_call): Likewise.
752 (find_what_var_points_to): Remove general callused handling.
753 (init_base_vars): Likewise.
754 (init_alias_vars): Initialize call_stmt_vars.
755 (compute_points_to_sets): Process call-used and call-clobbered
756 vars for call statements.
757 (delete_points_to_sets): Free call_stmt_vars.
759 2010-04-13 Richard Guenther <rguenther@suse.de>
761 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
762 Only add RW dependence for dependence distance zero.
763 Adjust maximal vectorization factor according to dependences.
764 Move alignment handling ...
765 (vect_find_same_alignment_drs): ... here. New function.
766 (vect_analyze_data_ref_dependences): Adjust.
767 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
768 (vect_analyze_data_refs): Adjust minimal vectorization factor
769 according to data references.
770 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
771 dependences before determining the vectorization factor.
772 Analyze alignment after determining the vectorization factor.
773 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
774 dependences before alignment.
775 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
777 (vect_analyze_data_refs): Likewise.
778 (MAX_VECTORIZATION_FACTOR): New define.
780 2010-04-13 Duncan Sands <baldrick@free.fr>
782 * except.h (lang_eh_type_covers): Remove.
783 * except.c (lang_eh_type_covers): Likewise.
785 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
786 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
788 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
789 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
790 UNITS_PER_LONG where it is ABI relevant.
791 (s390_return_addr_rtx): Likewise.
792 (s390_back_chain_rtx): Likewise.
793 (s390_frame_area): Likewise.
794 (s390_frame_info): Likewise.
795 (s390_initial_elimination_offset): Likewise.
796 (save_gprs): Likewise.
797 (s390_emit_prologue): Likewise.
798 (s390_emit_epilogue): Likewise.
799 (s390_function_arg_advance): Likewise.
800 (s390_function_arg): Likewise.
801 (s390_va_start): Likewise.
802 (s390_gimplify_va_arg): Likewise.
803 (s390_function_profiler): Likewise.
804 (s390_optimize_prologue): Likewise.
805 (s390_rtx_costs): Likewise.
806 (s390_secondary_reload): Likewise.
807 (s390_promote_function_mode): Likewise.
808 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
809 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
811 (s390_unwind_word_mode): New function.
812 (s390_function_value): Split 64 bit values into register pair if
813 used as return value.
814 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
815 function call parameters. Handle parallels.
816 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
817 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
818 (DWARF_CIE_DATA_ALIGNMENT): New macro.
819 (s390_expand_setmem): Remove unused variable src_addr.
820 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
821 deal with 64 bit registers.
822 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
823 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
824 (UNITS_PER_LONG): New macro.
825 * libjava/include/s390-signal.h: Define extended ucontext
826 structure containing the upper halfs of the 64 bit registers.
828 2010-04-13 Simon Baldwin <simonb@google.com>
830 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
832 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
834 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
835 rvalue on the RHS if the LHS is of a non-renamable type.
836 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
838 2010-04-13 Matthias Klose <doko@ubuntu.com>
840 * gcc.c (cc1_options): Handle -iplugindir before processing
841 the cc1 spec. Only add -iplugindir once.
842 (cpp_unique_options): Add -iplugindir option if -fplugin* options
844 * common.opt (iplugindir): Remove `Separate' property, initialize.
845 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
847 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
848 (distclean): Remove plugin dir.
849 * doc/invoke.texi: Document -iplugindir.
851 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
853 * doc/plugins.texi (Loading Plugins): Document short
855 (Plugin API): Mention default_plugin_dir_name function.
857 * gcc.c (find_file_spec_function): Add new declaration.
858 (static_spec_func): Use it for "find-file".
859 (find_file_spec_function): Add new function.
860 (cc1_options): Add -iplugindir option if -fplugin* options found.
862 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
864 * plugin.c (add_new_plugin): Updated comment, and handle short
866 (default_plugin_dir_name): Added new function.
868 * common.opt (iplugindir): New option to set the plugin directory.
870 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
872 * config/i386/i386.md (any_rotate): New code iterator.
873 (rotate_insn): New code attribute.
875 (SWIM124): New mode iterator.
876 (<rotate_insn>ti3): New expander.
877 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
878 any_rotate code iterator.
879 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
880 using any_rotate code iterator and SWIM124 mode iterator.
881 (ix86_rotlti3): New insn_and_split pattern.
882 (ix86_rotrti3): Ditto.
883 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
884 ix86_rotl{di,ti}3 patterns.
885 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
886 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
887 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
888 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
889 code iterator and SWI mode iterator.
890 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
891 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
893 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
894 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
895 (bswap rotatert splitter): Add splitter.
896 (bswap splitter): Macroize splitter using any_rotate code iterator.
897 Add insn predicate to split only for TARGET_USE_XCHGB or when
898 optimizing function for size.
900 2010-04-12 Steve Ellcey <sje@cup.hp.com>
902 * config/pa/pa.c (emit_move_sequence): Remove use of
903 deleted variable flag_argument_noalias.
905 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
907 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
909 Add to unsupported targets list.
910 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
911 sparc*-sun-solaris2.[567]* from target lists.
912 * configure: Regenerate.
913 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
915 Remove Solaris 7 patch references.
916 (Specific, sparc-sun-solaris2.7): Removed.
917 (sparc-sun-solaris2*): Update Solaris 7 example.
918 (sparc64-*-solaris2*): Likewise.
920 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
922 * config.build (alpha*-dec-osf4*): Remove.
923 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
924 of obsolete configurations.
925 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
927 * config/alpha/t-osf4: Renamed to ...
928 * config/alpha/t-osf5: ... this.
929 * config/alpha/osf.h: Renamed to ...
930 * config/alpha/osf5.h: ... this.
931 Merged old osf5.h contents.
933 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
934 (EXTRA_SPECS): Removed.
935 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
936 reflect removal of Tru64 UNIX V4.0/V5.0 support.
939 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
941 * doc/contrib.texi (Contributors, Rainer Orth): Update.
943 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
946 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
947 __thiscall convention.
949 2010-04-12 Steve Ellcey <sje@cup.hp.com>
951 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
953 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
955 2010-04-12 Steve Ellcey <sje@cup.hp.com>
957 * function.c (assign_parms_initialize_all): Add unused attribute
960 2010-04-12 Richard Guenther <rguenther@suse.de>
962 * gsstruct.def (GSS_CALL): New.
963 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
964 * gimple.h: Include tree-ssa-alias.h.
965 (struct gimple_statement_call): New.
966 (union gimple_statement_struct_d): Add gimple_call member.
967 (gimple_call_reset_alias_info): Declare.
968 (gimple_call_use_set): New function.
969 (gimple_call_clobber_set): Likewise.
970 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
971 * gimple.c (gimple_call_reset_alias_info): New function.
972 (gimple_build_call_1): Call it.
973 * lto-streamer-in.c (input_gimple_stmt): Likewise.
974 * tree-inline.c (remap_gimple_stmt): Likewise.
975 (expand_call_inline): Remove callused handling.
976 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
977 * tree-dfa.c (dump_variable): Likewise.
978 * tree-parloops.c (parallelize_loops): Likewise.
979 * tree-ssa.c (init_tree_ssa): Likewise.
980 (delete_tree_ssa): Likewise.
981 * tree-flow-inline.h (is_call_used): Remove.
982 * tree-flow.h (struct gimple_df): Remove callused member.
983 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
984 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
985 (ref_maybe_used_by_call_p_1): Simplify.
986 (call_may_clobber_ref_p_1): Likewise.
987 * tree-ssa-structalias.c (compute_points_to_sets): Set
988 the call stmt used and clobbered sets.
989 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
990 (find_tail_calls): Verify the tail call.
992 2010-04-12 Richard Guenther <rguenther@suse.de>
994 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
995 single-iteration always-inline inlining.
996 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
997 (cgraph_decide_inlining): Do not handle always-inline specially.
998 (try_inline): Remove always-inline cycle detection special case.
999 Do not recurse on always-inlines.
1000 (cgraph_early_inlining): Do not iterate if not optimizing.
1001 (cgraph_gate_early_inlining): remove.
1002 (pass_early_inline): Run unconditionally.
1003 (gate_cgraph_decide_inlining): New function.
1004 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1005 not inlining or optimizing.
1006 (cgraph_decide_inlining_of_small_functions): Also consider
1007 always-inline functions.
1008 (cgraph_default_inline_p): Return true for nodes which should
1009 disregard inline limits.
1010 (estimate_function_body_sizes): Assume zero size and time for
1011 nodes which are marked as disregarding inline limits.
1012 (cgraph_decide_recursive_inlining): Do not perform recursive
1013 inlining on always-inline nodes.
1015 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1018 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1019 for exprs satisfying handled_component_p.
1021 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1023 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1024 non-constant aggregate elements.
1026 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1027 is a real initialization.
1029 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1032 * c-decl.c (start_function): Move forward check for nested function.
1034 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1036 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1037 * config/sh/sh.c: Include reload.h.
1038 (sh_legitimize_reload_address): New.
1039 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1040 sh_legitimize_reload_address.
1042 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1044 * config/sh/sh.md (*movqi_pop): New insn pattern.
1045 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1047 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1049 * config/i386/i386.md (any_shiftrt): New code iterator.
1050 (shiftrt_insn): New code attribute.
1052 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1053 using any_shiftrt code iterator.
1054 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1055 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1056 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1057 pattern from corresponding peephole2 patterns.
1058 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1059 using any_shiftrt code iterator.
1060 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1061 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1062 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1063 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1064 *{ashr,lshr}<mode>3_cmp_zext.
1065 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1067 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1069 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1071 (*lshr<mode>3_cconly): Ditto.
1073 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1075 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1076 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1077 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1078 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1080 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1081 from corresponding peephole2 patterns.
1082 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1083 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1084 and *lshrdi3_1_rex64 using SWI mode iterator.
1085 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1086 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1087 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1088 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1089 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1090 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1091 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1092 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1093 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1096 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1098 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1099 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1100 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1101 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1103 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1104 from corresponding peephole2 patterns.
1105 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1106 (ashrsi3_cvt): Rename from ashrsi3_31.
1107 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1108 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1109 and x86_64_shift_adj_3 using SWI48 mode iterator.
1110 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1111 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1112 and *ashrdi3_1_rex64 using SWI mode iterator.
1113 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1114 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1115 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1116 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1117 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1118 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1119 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1120 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1121 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1123 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1124 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1125 x86_shift<mode>_adj_3 expanders.
1127 2010-04-10 Wei Guozhi <carrot@google.com>
1130 * config/arm/arm.c (arm_pic_static_addr): New function.
1131 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1133 (arm_output_addr_const_extra): Output expression for new pattern.
1134 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1136 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1138 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1141 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1142 * web.c: Include "insn-config.h" and "recog.h".
1143 (union_match_dups): New function.
1144 (web_main): Call it.
1145 (union_defs): Don't try to recognize match_dups.
1147 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1148 if doing so would replace the entire pattern.
1150 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1154 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1155 and splitter pattern. Change splitter operand 1 predicate to
1158 2010-04-09 Martin Jambor <mjambor@suse.cz>
1160 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1161 lattices are addresses of CONST_DECLs with the same initial value.
1162 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1163 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1165 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1166 Bernd Schmidt <bernds@codesourcery.com>
1168 * loop-invariant.c (replace_uses): New static function.
1169 (move_invariant_reg): Use it to ensure we can replace the uses.
1171 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1173 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1175 (picochip_override_options): Enable section anchors only above -O1.
1176 (picochip_reorg): Fixed a couple of build warnings.
1178 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1180 * configure.ac (plugin -rdynamic test): Log result.
1181 * configure: Regenerate.
1182 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1183 (RDYNAMIC_SPEC): Define.
1184 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1186 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1188 * configure.ac: Determine Sun ld version numbers.
1189 (comdat_group): Restrict GNU ld version checks to gld.
1190 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1191 (enable_comdat): Support --enable-comdat.
1192 * configure: Regenerate.
1193 * doc/install.texi (Configuration): Document --enable-comdat.
1195 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1197 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1198 * config/sol2-gld.h: ... here.
1199 * config.gcc (sparc*-*-solaris2*): Reflect this.
1200 (i[34567]86-*-solaris2*): Use it.
1202 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1204 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1206 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1208 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1211 * diagnostic.c (diagnostic_initialize): Initialize
1212 some_warnings_are_errors.
1213 (diagnostic_finish): New.
1214 (diagnostic_action_after_output): Call it before exiting.
1215 (diagnostic_report_diagnostic): Do not print message here. Set
1216 some_warnings_are_errors.
1217 * diagnostic.h (diagnostic_context): Delete
1218 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1219 (diagnostic_finish): Declare.
1220 * toplev.c (toplev_main): Call it before exit.
1222 2010-04-09 Jason Merrill <jason@redhat.com>
1225 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1226 for incomplete type.
1229 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1230 based on a warning flag.
1232 2010-04-09 Richard Guenther <rguenther@suse.de>
1234 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1236 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1239 * varasm.c (default_assemble_visibility): Wrap vars that are
1240 set, but unused, by targets without GAS.
1241 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1242 Remove set, but unused, vars.
1243 (rs6000_legitimize_tls_address): Likewise.
1244 (altivec_expand_dst_builtin): Likewise.
1245 * config/darwin.c (machopic_classify_symbol): Likewise.
1246 (machopic_indirection_name): Likewise.
1248 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1250 * config/i386/i386.md (DWI): New mode iterator.
1251 (S): New mode attribute.
1252 (shift_operand): Ditto.
1253 (shift_immediate_operand): Ditto.
1254 (ashl_input_operand): Ditto.
1255 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1256 using SDWIM mode iterator.
1257 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1258 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1260 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1261 from corresponding peephole2 patterns.
1262 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1263 and x86_64_shift_adj_1 using SWI48 mode iterator.
1264 (x86_shift<mode>_adj_2): Ditto.
1265 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1266 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1267 using SWI48 mode iterator.
1268 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1269 *ashldi3_cmp_rex64 using SWI mode iterator.
1270 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1271 *ashldi3_cconly_rex64 using SWI mode iterator.
1272 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1273 x86_shift<mode>_adj_{1,2}.
1274 (ix86_split_ashr): Ditto.
1275 (ix86_split_lshr): Ditto.
1277 2010-04-09 Richard Guenther <rguenther@suse.de>
1279 * target.h (builtin_conversion): Pass in input and output types.
1280 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1281 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1282 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1283 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1285 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1287 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1289 2010-04-09 Richard Guenther <rguenther@suse.de>
1292 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1294 2010-04-09 Richard Guenther <rguenther@suse.de>
1296 * tree-vectorizer.h (struct _stmt_vec_info): Document
1297 that vectype is the type of the LHS.
1298 (supportable_widening_operation, supportable_narrowing_operation):
1299 Get both input and output vector types as arguments.
1300 (vect_is_simple_use_1): Declare.
1301 (get_same_sized_vectype): Likewise.
1302 * tree-vect-loop.c (vect_determine_vectorization_factor):
1303 Set STMT_VINFO_VECTYPE to the vector type of the def.
1304 (vectorizable_reduction): Adjust.
1305 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1306 Adjust. Specify the output vector type.
1307 (vect_pattern_recog_1): Adjust.
1308 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1309 (vectorizable_call): Adjust.
1310 (vectorizable_conversion): Likewise.
1311 (vectorizable_operation): Likewise.
1312 (vectorizable_type_demotion): Likewise.
1313 (vectorizable_type_promotion): Likewise.
1314 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1316 (vect_is_simple_use_1): New function.
1317 (supportable_widening_operation): Get both input and output
1319 (supportable_narrowing_operation): Likewise.
1320 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1322 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1324 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1325 __thiscall and _thiscall as predefined macros.
1326 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1327 thiscall attribute handling.
1328 (ix86_comp_type_attributes): Likewise.
1329 (ix86_function_regparm): Likewise.
1330 (ix86_return_pops_args): Likewise.
1331 (init_cumulative_args): Likewise.
1332 (find_drap_reg): Likewise.
1333 (ix86_static_chain): Likewise.
1334 (x86_this_parameter): Likewise.
1335 (x86_output_mi_thunk): Likewise.
1336 (ix86_attribute_table): Add description for thiscall attribute.
1337 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1338 * doc/extend.texi: Add documentation for thiscall.
1340 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1343 * c.opt (Wint-to-pointer-cast): Available in C++.
1344 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1346 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1348 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1349 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1350 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1351 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1352 function type instead. Reorder and simplify checks.
1354 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1356 2010-04-08 Jing Yu <jingyu@google.com>
1357 Zdenek Dvorak <ook@ucw.cz>
1359 PR tree-optimization/42720
1360 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1361 loop unswitch conditions here from ...
1362 (tree_unswitch_single_loop): ... here.
1364 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1366 * tree-if-conv.c: Fix comments and simplify logic.
1368 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1370 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1371 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1372 (main_tree_if_conversion): Update call to tree_if_conversion.
1374 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1377 * doc/invoke.texi (-b,-V): Delete.
1378 * doc/tm.texi: Do not mention -b.
1379 * gcc.c (display_help): Delete -b and -V.
1380 (process_command): Delete -b and -V.
1381 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1383 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1384 Wolfgang Gellerich <gellerich@de.ibm.com>
1386 Implement target hook for loop unrolling
1387 * target.h (loop_unroll_adjust): Add a new target hook function.
1388 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1389 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1390 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1391 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1392 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1394 (decide_unroll_stupid): Likewise.
1396 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1399 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1401 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1403 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1404 (Specific, *-*-solaris2*): Likewise.
1405 Don't prefer Sun as over GNU as.
1407 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1409 * config/s390/s390.c (override_options): Adjust the z10
1410 defaults for max-unroll-times, max-completely-peeled-insns
1411 and max-completely-peel-times.
1413 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1415 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1416 instructions for z10.
1417 (s390_expand_setmem): Likewise.
1418 (s390_expand_cmpmem): Likewise.
1420 2010-04-08 Richard Guenther <rguenther@suse.de>
1422 PR tree-optimization/43679
1423 * tree-ssa-pre.c (eliminate): Only propagate copies.
1425 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1428 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1429 set but not used variable warning.
1431 2010-04-08 Wei Guozhi <carrot@google.com>
1434 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1435 (arm_size_rtx_costs): Call the new function when optimized for size.
1437 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1440 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1441 op0 is not a MEM, just return NULL instead of assertion
1443 (discover_nonconstant_array_refs): Don't walk debug stmts.
1445 2010-04-08 Doug Kwan <dougkwan@google.com>
1447 * configure.ac: Recognize gold and do not use its version number
1448 to test ld features.
1449 * configure: Regenerate.
1451 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1454 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1455 (negate_value): Move code to push elements to broken_up_substracts ...
1456 (eliminate_plus_minus_pair): ... here. Push operands that have no
1457 negative pair to plus_negates.
1458 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1460 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1462 * doc/install.texi (Configuration): Move description of
1463 --enable-lto, --with-libelf*, --enable-gold from Java section to
1466 * doc/generic.texi (Working with declarations)
1467 (Function Properties, C and C++ Trees): Fix typos.
1468 * doc/sourcebuild.texi (Top Level): Likewise.
1470 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1473 * tree.h (DECL_READ_P): Define.
1474 (struct tree_decl_common): Add decl_read_flag.
1475 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1476 a set but not used warning.
1477 (merge_decls): Merge DECL_READ_P flag.
1478 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1479 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1480 * c-common.c (handle_used_attribute, handle_unused_attribute):
1482 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1484 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1486 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1487 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1488 c_parser_binary_expression, c_parser_cast_expression,
1489 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1490 Call default_function_array_read_conversion instead of
1491 default_function_array_conversion where needed.
1492 (c_parser_unary_expression, c_parser_conditional_expression,
1493 c_parser_postfix_expression_after_primary, c_parser_initelt):
1494 Likewise. Call mark_exp_read where needed.
1495 (c_parser_statement_after_labels, c_parser_asm_operands,
1496 c_parser_typeof_specifier, c_parser_sizeof_expression,
1497 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1499 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1501 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1502 (warn_unused_but_set_parameter): Default to warn_unused
1504 * doc/invoke.texi: Document -Wunused-but-set-variable and
1505 -Wunused-but-set-parameter.
1507 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1508 used count variable.
1509 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1510 when operandN variables aren't used in the body of the expander
1512 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1513 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1514 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1515 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1516 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1517 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1518 * tree.c (PROCESS_ARG): Likewise.
1520 2010-04-07 Simon Baldwin <simonb@google.com>
1522 * diagnostic.h (diagnostic_override_option_index): New macro to
1523 set a diagnostic's option_index.
1524 * c-tree.h (c_cpp_error): Add warning reason argument.
1525 * opts.c (_warning_as_error_callback): New.
1526 (register_warning_as_error_callback): Store callback for
1527 warnings enabled via enable_warning_as_error.
1528 (enable_warning_as_error): Call callback, minor code tidy.
1529 * opts.h (register_warning_as_error_callback): Declare.
1530 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1531 response to -Werror=.
1532 (c_common_init_options): Register warning_as_error_callback in opts.c.
1533 * common.opt: Add -Wno-cpp option.
1534 * c-common.c (struct reason_option_codes_t): Map cpp warning
1535 reason codes to gcc option indexes.
1536 * (c_option_controlling_cpp_error): New function, lookup the gcc
1537 option index for a cpp warning reason code.
1538 * (c_cpp_error): Add warning reason argument, call
1539 c_option_controlling_cpp_error for diagnostic_override_option_index.
1540 * doc/invoke.texi: Document -Wno-cpp.
1542 2010-04-07 Richard Guenther <rguenther@suse.de>
1544 * ipa-reference.c (mark_load): Use get_base_address.
1545 (mark_store): Likewise.
1547 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1548 inserting GIMPLE_NOPs into the IL.
1549 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1550 Explicitly strip handled components and indirect references.
1552 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1553 folding address expressions.
1554 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1555 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1556 operand_equal_p to compare decls.
1557 (ptr_deref_may_alias_decl_p): Likewise.
1558 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1559 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1560 Handle reversed comparison ops.
1561 * tree-sra.c (asm_visit_addr): Use get_base_address.
1562 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1563 * ipa-reference.c (mark_address): Use get_base_address.
1565 2010-04-07 Richard Guenther <rguenther@suse.de>
1567 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1568 Propagate constants everywhere.
1570 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1573 * tree.c (MAX_INT_CACHED_PREC): Define.
1574 (nonstandard_integer_type_cache): New array.
1575 (build_nonstandard_integer_type): Cache results for precision
1576 <= MAX_INT_CACHED_PREC.
1578 2010-04-07 Richard Guenther <rguenther@suse.de>
1580 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1581 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1582 * common.opt: Likewise.
1583 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1584 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1585 (nonoverlapping_memrefs_p): Likewise.
1586 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1587 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1588 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1589 OPT_fargument_noalias_global for backward compatibility.
1591 2010-04-07 Richard Guenther <rguenther@suse.de>
1593 PR tree-optimization/43270
1594 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1595 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1596 * tree-ssa-pre.c (phi_translate_1): Adjust.
1597 (fully_constant_expression): Split out vn_reference handling to ...
1598 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1599 Fold reads from constant strings.
1600 (vn_reference_lookup): Handle fully constant references.
1601 (vn_reference_lookup_pieces): Likewise.
1602 * Makefile.in (expmed.o-warn): Add -Wno-error.
1604 2010-04-07 Martin Jambor <mjambor@suse.cz>
1606 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1608 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1611 * gcc.c: Add -static-libstdc++ to list of recognized options.
1613 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1615 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1617 2010-04-07 Richard Guenther <rguenther@suse.de>
1620 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1621 bases build simple mem attributes to retain points-to information.
1623 2010-04-07 Richard Guenther <rguenther@suse.de>
1626 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1627 preserve points-to related information.
1629 2010-04-07 Richard Guenther <rguenther@suse.de>
1632 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1633 discard plain indirect references.
1634 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1635 * tree.c (tree_nop_conversion): Likewise.
1637 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1640 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1642 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1644 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1645 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1647 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1649 * tree-if-conv.c: Fix indentation and comments.
1651 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1653 * tree-if-conv.c: Sort static functions in topological order.
1655 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1657 * tree-if-conv.c: Fix indentation and comments.
1659 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1662 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1663 lang_hooks.types.type_for_size instead of
1664 build_nonstandard_integer_type.
1665 When converting an unsigned type to signed, double its precision.
1666 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1667 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1668 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1671 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1674 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1675 POINTER_PLUS_EXPR for pointer types.
1677 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1680 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1681 * graphite-clast-to-gimple.c: Include langhooks.h.
1682 (max_signed_precision_type): New.
1683 (max_precision_type): Takes two types as arguments.
1684 (precision_for_value): New.
1685 (precision_for_interval): New.
1686 (gcc_type_for_interval): New.
1687 (gcc_type_for_value): New.
1688 (gcc_type_for_clast_term): New.
1689 (gcc_type_for_clast_red): New.
1690 (gcc_type_for_clast_bin): New.
1691 (gcc_type_for_clast_expr): Split up into several functions.
1692 (gcc_type_for_clast_eq): Rewritten.
1693 (compute_bounds_for_level): New.
1694 (compute_type_for_level_1): New.
1695 (compute_type_for_level): New.
1696 (gcc_type_for_cloog_iv): Removed.
1697 (gcc_type_for_iv_of_clast_loop): Rewritten.
1698 (graphite_create_new_loop): Compute the lower and upper bound types
1699 with gcc_type_for_clast_expr.
1700 (graphite_create_new_loop_guard): Same.
1701 (find_cloog_iv_in_expr): Removed.
1702 (compute_cloog_iv_types_1): Removed.
1703 (compute_cloog_iv_types): Removed.
1704 (gloog): Do not call compute_cloog_iv_types.
1705 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1707 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1708 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1709 (GBB_CLOOG_IV_TYPES): Removed.
1711 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1713 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1714 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1715 (detect_commutative_reduction): Same.
1717 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1719 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1720 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1722 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1723 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1724 (rewrite_commutative_reductions_out_of_ssa): Same.
1725 * passes.c (execute_function_todo): Call verify_ssa for every pass
1726 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1727 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1728 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1729 with an extra argument.
1730 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1731 verify_ssa only when the extra argument is true.
1732 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1733 with an extra argument.
1734 (tree_transform_and_unroll_loop): Same.
1736 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1738 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1739 for all the passes of the LNO having LOOP_CLOSED_SSA.
1740 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1741 * tree-loop-distribution.c (pass_loop_distribution): Same.
1742 * tree-pass.h (TODO_verify_loops): Removed.
1743 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1745 (pass_tree_unswitch): Same.
1746 (pass_predcom): Same.
1747 (pass_vectorize): Same.
1748 (pass_linear_transform): Same.
1749 (pass_graphite_transforms): Same.
1750 (pass_iv_canon): Same.
1751 (pass_complete_unroll): Same.
1752 (pass_complete_unrolli): Same.
1753 (pass_parallelize_loops): Same.
1754 (pass_loop_prefetch): Same.
1755 (pass_iv_optimize): Same.
1757 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1760 * passes.c (init_optimization_passes): Move pass_lim before
1761 pass_copy_prop and pass_dce_loop.
1763 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1766 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1767 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1768 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1769 MULTI_* defines for 4 argument vpermil2p* builtins.
1771 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1773 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1774 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1775 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1776 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1777 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1778 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1779 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1780 Use x86_maybe_negate_const_int to output insn mnemonic.
1781 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1782 check from instruction predicate. Update comments.
1783 * config/i386/sync.md (sync_add<mode>): Use
1784 x86_maybe_negate_const_int to output insn mnemonic.
1786 2010-04-06 Jan Hubicka <jh@suse.cz>
1788 PR tree-optimization/42906
1789 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1790 IGNORE_SELF argument. Set visited_control_parents for fully
1792 (find_obviously_necessary_stmts): Update call of
1793 mark_control_dependent_edges_necessary.
1794 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1796 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1798 * config/i386/i386.md: Remove comment about 'e' and 'E'
1801 2010-04-06 Richard Guenther <rguenther@suse.de>
1803 PR tree-optimization/43627
1804 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1805 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1808 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1810 * BASE-VER: Change to 4.6.0.
1813 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1816 2010-04-06 Richard Guenther <rguenther@suse.de>
1819 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1821 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1823 * doc/invoke.texi (Optimize Options): Document that LTO
1824 won't remove object access purely due to incompatible
1827 2010-04-04 Matthias Klose <doko@ubuntu.com>
1829 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1830 Initialize variable.
1832 2010-04-03 Richard Guenther <rguenther@suse.de>
1835 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1836 require a non-NULL MEM_OFFSET.
1838 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1840 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1841 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1842 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1843 config/alpha/predicates.md, config/arm/arm.md,
1844 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1845 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1846 config/darwin9.h, config/darwin.c, config/darwin.h,
1847 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1848 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1849 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1850 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1851 config/mips/mips.md, config/mn10300/mn10300.c,
1852 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1853 config/rs6000/aix.h, config/rs6000/dfp.md,
1854 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1855 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1856 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1857 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1858 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1859 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1860 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1861 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1862 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1863 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1864 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1865 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1866 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1867 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1868 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1869 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1870 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1871 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1872 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1873 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1874 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1875 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1876 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1877 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1878 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1879 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1880 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1881 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1882 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1883 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1884 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1885 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1886 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1887 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1888 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1889 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1891 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1894 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1895 * aclocal.m4: Regenerate.
1897 2010-04-02 Richard Guenther <rguenther@suse.de>
1899 PR tree-optimization/43629
1900 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1901 if we have seen a constant value.
1903 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1905 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1907 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1910 * arm.c (legitimize_tls_address): Adjust call to
1911 gen_tls_load_dot_plus_four.
1912 (arm_note_pic_base): New function.
1913 (arm_cannot_copy_insn_p): Use it.
1914 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1917 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1922 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1924 * Makefile.in ($(out_object_file)): Depend on
1925 gt-$(basename $(notdir $(out_file))).h.
1927 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1929 * config.gcc (lm32-*-rtems*): Add t-lm32.
1931 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1933 * config.gcc: Add lm32-*-rtems*.
1934 * config/lm32/rtems.h: New file.
1936 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1939 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1941 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1943 * dwarf2out.c (output_compilation_unit_header): For
1944 -gdwarf-4 use version 4 instead of version 3.
1945 (output_line_info): For version 4 and above emit additional
1946 maximum ops per insn header field.
1947 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1949 * dwarf2out.c (is_c_family, is_java): Remove.
1950 (lower_bound_default): New function.
1951 (add_bound_info, gen_descr_array_type_die): Use it.
1953 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1956 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1957 re-declaration when it happens in a function.
1959 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1961 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1962 (cgraph_remove_function_insertion_hook): Same.
1963 (cgraph_call_function_insertion_hooks): Same.
1965 2010-04-01 Richard Guenther <rguenther@suse.de>
1968 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1969 and TREE_THIS_VOLATILE.
1970 (copy_ref_info): Likewise.
1971 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1972 * tree.c (build6_stat): Ignore side-effects of all but arg5
1973 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1976 2010-04-01 Richard Guenther <rguenther@suse.de>
1978 PR tree-optimization/43607
1979 * ipa-type-escape.c (check_call): Do not access non-existing
1982 2010-04-01 Richard Guenther <rguenther@suse.de>
1986 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1987 Jack Howarth <howarth@bromo.med.uc.edu>
1989 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1992 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1994 * doc/install.texi (Prerequisites): Document libelf usability on
1995 IRIX 5/6 and Solaris 2.
1996 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
1997 Update GNU as, GNU ld requirements.
1998 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
1999 Document Sun Studio compiler download.
2000 Update and simplify as, ld recommendations.
2001 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2003 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2005 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2006 with_tune_32 to pentium4.
2008 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2010 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2012 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2014 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2015 obsoletion, removal.
2017 Document GNU as requirement.
2018 Update configure requirements.
2019 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2020 Recomment IRIX 6.5.18+.
2021 Document IDF/IDL requirement.
2022 Document GNU as requirement.
2023 Document GNU ld bootstrap failure.
2024 Remove freeware.sgi.com reference.
2026 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2028 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2029 UNIX V4.0, V5.0 obsoletion, removal.
2030 Remove --with-gc=simple reference.
2031 Update VM requirements during bootstrap.
2032 Remove -oldas bootstrap description.
2033 Update binutils reference.
2034 Remove comparison failure note.
2036 2010-03-31 Richard Guenther <rguenther@suse.de>
2037 Zdenek Dvorak <ook@ucw.cz>
2038 Sebastian Pop <sebastian.pop@amd.com>
2041 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2042 with multiple arguments.
2043 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2045 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2047 * graphite-dependences.c (print_pddr): Call print_pdr with an
2049 * graphite-poly.c (debug_pdr): Add an extra argument for the
2052 (print_pbb_domain): Same.
2054 (print_scop_context): Same.
2056 (print_cloog): Same.
2057 (debug_pbb_domain): Same.
2061 (debug_scop_context): Same.
2063 (debug_cloog): Same.
2064 (print_scop_params): Same.
2065 (debug_scop_params): Same.
2066 (print_iteration_domain): Same.
2067 (print_iteration_domains): Same.
2068 (debug_iteration_domain): Same.
2069 (debug_iteration_domains): Same.
2070 (print_scattering_function): Same.
2071 (print_scattering_functions): Same.
2072 (debug_scattering_function): Same.
2073 (debug_scattering_functions): Same.
2074 * graphite-poly.h (debug_pdr): Update declaration.
2076 (print_pbb_domain): Same.
2078 (print_scop_context): Same.
2080 (print_cloog): Same.
2081 (debug_pbb_domain): Same.
2085 (debug_scop_context): Same.
2087 (debug_cloog): Same.
2088 (print_scop_params): Same.
2089 (debug_scop_params): Same.
2090 (print_iteration_domain): Same.
2091 (print_iteration_domains): Same.
2092 (debug_iteration_domain): Same.
2093 (debug_iteration_domains): Same.
2094 (print_scattering_function): Same.
2095 (print_scattering_functions): Same.
2096 (debug_scattering_function): Same.
2097 (debug_scattering_functions): Same.
2099 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2101 * graphite-poly.c (print_scattering_function_1): New.
2102 (print_scattering_function): Call it.
2103 (print_scop_params): Remove spaces at the end of lines.
2106 * graphite-poly.h (print_cloog): Declared.
2107 (debug_cloog): Declared.
2109 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2111 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2113 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2114 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2115 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2116 to switch between adding the IV bump in loop->latch or in loop->header.
2118 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2120 * graphite-poly.c (print_scattering_function): Pretty print following
2123 (print_pbb_domain): Same.
2124 (dump_gbb_cases): Same.
2125 (dump_gbb_conditions): Same.
2128 (print_scop_params): Same.
2129 (print_scop_context): Same.
2131 (print_pbb_body): New.
2132 (lst_indent_to): New.
2133 (print_lst): Start new lines with a #.
2134 * graphite-poly.h (pbb_bb): New.
2135 (pbb_index): Use pbb_bb.
2136 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2138 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2140 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2142 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2143 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2144 and 0 instead of 1 for dw_val_class_flag.
2145 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2146 dw_val_class_range_list, dw_val_class_loc_list,
2147 dw_val_class_lineptr and dw_val_class_macptr, use
2148 DW_FORM_flag_present for dw_val_class_flag and
2149 DW_FORM_exprloc for dw_val_class_loc.
2150 (output_die): For -gdwarf-4 print dw_val_class_loc
2151 size as uleb128 instead of 1 or 2 bytes and don't print
2152 anything for dw_val_class_flag.
2154 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2155 instead of cselib_lookup following by tweaking locs->setting_insn.
2158 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2159 even before returning from label, setjmp call or volatile asm
2162 2010-03-31 Richard Guenther <rguenther@suse.de>
2165 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2166 temporary data on stack.
2168 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2170 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2171 (PUSHSECTION_ASM_OP): Remove.
2172 (POPSECTION_ASM_OP): Remove.
2173 (PUSHSECTION_FORMAT): Remove.
2174 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2175 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2176 * config/sol2.c (solaris_output_init_fini): Use it.
2178 2010-03-31 Jie Zhang <jie@codesourcery.com>
2181 * opt-functions.awk (var_type_struct): Use signed char type
2182 for simple variables.
2184 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2186 * config/sol2.c: Include output.h.
2187 (solaris_assemble_visibility): New function.
2188 * config/t-sol2 (sol2.o): Add output.h dependency.
2189 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2190 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2193 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2196 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2197 V2SImode or XFmode on PRE_DEC.
2200 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2203 2010-03-31 Jie Zhang <jie@codesourcery.com>
2206 * reload.h (caller_save_initialized_p): Declare.
2207 * toplev.c (backend_init_target): Don't call
2208 init_caller_save but set caller_save_initialized_p to false.
2209 * caller-save.c (caller_save_initialized_p): Define.
2210 (init_caller_save): Check caller_save_initialized_p.
2211 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2213 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2216 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2217 and soft-fp/t-softfp to tmake_file.
2218 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2219 (LIBGCC2_TF_CEXT): Define.
2222 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2225 * cselib.c (n_useless_values): Document handling of debug locs.
2226 (n_useless_debug_values, n_debug_values): New variables.
2227 (new_elt_loc_list): Don't add to debug values, keep count.
2228 (promote_debug_loc): New.
2229 (cselib_reset_table): Zero new variables.
2230 (entry_and_rtx_equal_p): Promote debug locs.
2231 (discard_useless_locs): Increment n_useless_debug_values for
2233 (remove_useless_values): Adjust n_useless_values and n_debug_values
2234 with n_useless_debug_values.
2235 (add_mem_for_addr): Promote debug locs.
2236 (cselib_lookup_mem): Likewise.
2237 (cselib_lookup_addr): Renamed to...
2238 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2239 (cselib_log_lookup): ... this. Turn into...
2240 (cselib_lookup_addr): ... new wrapper.
2241 (cselib_lookup_from_insn): New.
2242 (cselib_invalidate_regno): Increment n_useless_debug_values for
2244 (cselib_invalidate_mem): Likewise.
2245 (cselib_process_insn): Take n_deleted and n_debug_values into
2246 account to guard remove_useless_value call.
2247 (cselib_finish): Zero n_useless_debug_values.
2248 * cselib.h (cselib_lookup_from_insn): Declare.
2249 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2250 (sched_analyze_2): Likewise.
2252 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2254 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2256 (adjust_mems): Replace narrowing SUBREG of expression containing
2257 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2258 with operations in the narrower mode.
2261 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2262 regs_invalidated_by_call instead all call_used_reg_set registers.
2264 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2267 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2268 pointer comparisons with types_compatible_p.
2269 * tree-vect-stmts.c (vectorizable_call): Same.
2270 (vectorizable_condition): Same.
2272 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2274 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2275 stack check if the mask would be zero.
2277 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2278 Jack Howarth <howarth@bromo.med.uc.edu>
2280 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2283 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2286 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2288 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2289 Include ___unordxf2 and ___unordtf2.
2290 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2293 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2295 * config/lm32/t-lm32: New file.
2296 * config.gcc: Use the above file when targetting lm32.
2298 2010-03-28 Duncan Sands <baldrick@free.fr>
2300 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2302 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2305 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2306 Improve vectorization cost model diagnostic.
2308 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2311 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2312 compute_data_dependences_for_loop returns false, early exit
2313 and output an extra diagnostic for the failed data reference
2316 2010-03-29 Richard Guenther <rguenther@suse.de>
2318 PR tree-optimization/43560
2319 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2320 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2322 2010-03-29 Jie Zhang <jie@codesourcery.com>
2325 * toplev.c (process_options): Set optimization_default_node
2326 and optimization_current_node.
2327 * opts.c (decode_options): Don't set optimization_default_node
2328 and optimization_current_node.
2330 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2332 * config/rtems.h: Abandon -qrtems_debug.
2334 2010-03-28 Jan Hubicka <jh@suse.cz>
2336 PR tree-optimization/43505
2337 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2338 map should not be copied.
2340 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2343 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2344 cdtors, set DECL_PRESERVE_P.
2345 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2348 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2350 PR tree-optimization/43528
2351 * stor-layout.c (place_field): Check that constant fits into
2352 unsigned HWI when skipping calculation of MS bitfield layout.
2354 2010-03-27 Jan Hubicka <jh@suse.cz>
2357 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2358 notice_global_symbol work.
2360 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2362 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2363 instead of dwarf2out_decl.
2364 (struct var_loc_node): Remove section_label field.
2365 (dwarf2out_function_decl): New function.
2366 (dwarf2out_var_location): Don't set section_label field.
2367 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2369 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2371 PR tree-optimization/43544
2372 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2373 First argument for builtin vectorized function hook is now a
2374 tree to be able to distinguish between machine specific and
2376 * targhooks.c (default_builtin_vectorized_function): Ditto.
2377 * targhooks.h (default_builtin_vectorized_function): Ditto.
2378 * target.h (struct gcc_target): Ditto.
2379 * tree-vect-stmts.c (vectorizable_function): Ditto.
2380 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2381 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2384 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2387 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2388 nested binding iff it is a FUNCTION_DECL.
2389 (store_parm_decls_newstyle): Pass nested=true to bind for
2390 FUNCTION_DECLs amongst parameters.
2392 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2394 * var-tracking.c (vt_expand_loc_callback): Don't run
2395 cselib_expand_value_rtx_cb in dummy mode if
2396 cselib_dummy_expand_value_rtx_cb returned false.
2398 * var-tracking.c (emit_note_insn_var_location): For one part
2399 notes with offset 0, don't add EXPR_LIST around the location.
2400 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2401 add_location_or_const_value_attribute): Adjust for that change.
2404 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2405 into first operand and location into second.
2406 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2407 dw_cfi_oprnd_loc for DW_CFA_expression.
2408 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2409 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2410 assume first argument is regnum and second argument is location.
2412 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2415 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2416 of scratch register to DImode. Split to DImode comparison operator.
2417 Use SImode subreg of scratch register in the multiplication.
2418 (*cmp_sadd_sidi): Ditto.
2419 (*cmp_ssub_si): Ditto.
2420 (*cmp_ssub_sidi): Ditto.
2422 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2425 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2426 Remove invalid assert and wrong comment.
2428 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2431 * flags.h (final_insns_dump_p): New extern.
2432 * final.c (final_insns_dump_p): New variable.
2433 (rest_of_clean_state): Set it before -fdump-final-insns=
2434 dumping, clear afterwards.
2435 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2436 MEM_ALIAS_SET on MEMs.
2438 2010-03-26 David S. Miller <davem@davemloft.net>
2440 * configure.ac: Fix sparc GOTDATA_OP bug check.
2441 * configure: Rebuild.
2443 2010-03-26 Alan Modra <amodra@gmail.com>
2445 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2447 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2449 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2450 TLS_SECTION_ASM_FLAG.
2452 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2455 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2456 Clear first_function_block_is_cold.
2459 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2460 argument if the argument is truth_value_p.
2462 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2464 * config/rs6000/constraints.md: Update copyright year for my changes.
2467 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2468 used in reg+reg addressing, swap registers.
2470 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2473 * target.h (struct gcc_target): Add code_end hook.
2474 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2476 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2477 * toplev.c (compile_file): Call targetm.asm_out.code_end
2478 hook before unwind info/debug info output.
2479 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2480 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2481 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2482 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2483 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2484 * config/i386/i386.c (ix86_file_end): Renamed to...
2485 (ix86_code_end): ... this. Make static. Don't call
2486 file_end_indicate_exec_stack. Emit unwind info using
2487 final_start_function/final_end_function.
2488 (darwin_x86_file_end): Remove.
2489 (TARGET_ASM_CODE_END): Define.
2490 * config/i386/i386.h (TARGET_ASM_FILE_END,
2491 NEED_INDICATE_EXEC_STACK): Don't define.
2492 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2493 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2494 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2495 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2498 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2499 at the beginning and final_end_function at the end.
2500 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2502 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2504 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2505 and Sun as TLS syntax.
2506 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2507 * configure: Regenerate.
2508 * config.in: Regenerate.
2509 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2510 (default_elf_asm_named_section): Use it.
2511 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2512 (i386_output_dwarf_dtprel): Likewise.
2513 (output_addr_const_extra): Likewise.
2514 (output_pic_addr_const): Lowercase @GOTTPOFF.
2515 (output_addr_const_extra): Likewise.
2516 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2517 (output_addr_const_extra): Likewise.
2518 (output_pic_addr_const): Lowercase @INDNTPOFF.
2519 (output_addr_const_extra): Likewise.
2520 (output_pic_addr_const): Lowercase @NTPOFF.
2521 (output_addr_const_extra): Likewise.
2522 (output_pic_addr_const): Lowercase @TPOFF.
2523 (output_addr_const_extra): Likewise.
2524 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2525 (*tls_global_dynamic_64): Likewise.
2526 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2527 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2529 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2530 (ASM_OUTPUT_TLS_COMMON): Use it.
2531 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2534 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2535 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2536 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2537 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2538 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2539 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2541 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2543 * config/i386/i386.c (override_options): Don't accept
2544 -mtls-dialect=sun any longer.
2545 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2546 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2547 (*tls_local_dynamic_base_32_sun): Likewise.
2548 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2550 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2553 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2554 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2557 * ira.c (adjust_cleared_regs): New function.
2558 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2562 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2564 * expr.c (expand_expr_real): Restore previous
2565 curr_insn_source_location and curr_insn_block after
2566 expand_expr_real_1 call.
2567 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2568 instead of expand_expr_real_1.
2570 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2572 PR rtl-optimization/43413
2573 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2576 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2579 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2580 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2582 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2584 * config/i386/i386.c (ix86_target_string): Add -mfma.
2585 Fix a typo in comment.
2587 2010-03-22 Mike Stump <mikestump@comcast.net>
2590 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2591 Don't overly align based upon packed packed fields.
2593 2010-03-22 Jason Merrill <jason@redhat.com>
2595 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2596 Use () rather than [], and move before the element type.
2598 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2600 * doc/configfiles.texi (Configuration Files): Removed
2601 fixinc/Makefile*, intl/Makefile.*.
2602 * doc/makefile.texi: Fixed markup. Abstract from version
2603 control system used.
2604 (Makefile): Removed obsolete gcc/java/parse.y example.
2605 * doc/sourcebuild.texi: Likewise.
2606 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2607 libgomp, libssp. Removed fastjar.
2608 (Miscellaneous Docs): Clarify location.
2609 Added COPYING3, COPYING3.LIB.
2610 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2612 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2615 * config/i386/i386.c (x86_function_profiler)
2616 [!NO_PROFILE_COUNTERS]: Fix typo.
2617 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2620 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2621 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2623 * doc/sourcebuild.texi (Test Directives): Split into six
2624 subsections, with most of the current text in new subsections
2625 Directives, Selectors, and Final Actions.
2626 (Directives): Split list of test directives into multiple
2628 (Selectors): Describe use and syntax of selectors.
2629 (Effective-Target Keywords): Describe all existing keywords.
2630 (Add Options): Describe features for dg-add-options.
2631 (Require Support): Describe variants of dg-require-support.
2632 (Final Actions): Describe commands to use in dg-final.
2634 2010-03-22 Michael Matz <matz@suse.de>
2637 * recog.c (validate_replace_rtx_group): Replace also in
2638 REG_EQUAL and REG_EQUIV notes.
2640 2010-03-22 Richard Guenther <rguenther@suse.de>
2642 PR tree-optimization/43390
2643 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2644 sure vector extracts are type correct.
2646 2010-03-22 Richard Guenther <rguenther@suse.de>
2649 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2650 x * sqrt (x) even when optimizing for size if the target
2651 has native support for sqrt.
2653 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2655 * varasm.c (make_decl_rtl_for_debug): Also clear
2656 flag_mudflap for the duration of make_decl_rtl call.
2659 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2660 locs from preserved VALUEs.
2662 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2665 * pa.md (movmemsi): Set align to one if zero.
2666 (movmemdi): Likewise.
2668 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2671 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2672 with their corresponding prologue pushes.
2674 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2677 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2678 at the begining or end.
2679 (spu_expand_epilogue): Likewise.
2681 2010-03-20 Richard Guenther <rguenther@suse.de>
2683 PR rtl-optimization/43438
2684 * combine.c (make_extraction): Properly zero-/sign-extend an
2685 extraction of the low part of a CONST_INT. Also handle
2688 2010-03-19 Mike Stump <mikestump@comcast.net>
2690 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2691 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2692 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2694 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2697 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2700 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2702 PR rtl-optimization/42258
2703 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2704 use that may match DEF.
2707 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2708 the cost of loading the constant rather than assuming
2710 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2711 outer code is AND, do the same tests as the andsi3 expander and
2712 return COSTS_N_INSNS (1) if and is cheap.
2714 * optabs.c (avoid_expensive_constant): Fix formatting.
2716 2010-03-19 Michael Matz <matz@suse.de>
2719 * attribs.c (decl_attributes): When rebuilding a function pointer
2720 type use the same qualifiers as the original pointer type.
2722 2010-03-19 Martin Jambor <mjambor@suse.cz>
2724 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2725 and is_gimple_ip_invariant_address.
2727 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2730 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2732 * config/arm/arm.c (arm_override_options): Turn off
2733 flag_dwarf2_cfi_asm for AAPCS variants.
2735 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2738 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2739 Use PRE_MODIFY instead of PRE_DEC.
2740 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2741 (vfp_emit_fstmd): Likewise.
2743 2010-03-19 Michael Matz <matz@suse.de>
2746 * builtins.c (expand_builtin_interclass_mathfn,
2747 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2750 2010-03-19 Richard Guenther <rguenther@suse.de>
2752 PR tree-optimization/43415
2753 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2754 (phi_translate_1): ... this.
2755 (phi_translate): Move all caching here. Cache all NARY
2756 and REFERENCE translations.
2758 2010-03-19 David S. Miller <davem@davemloft.net>
2760 With help from Eric Botcazou.
2761 * config/sparc/sparc.c: Include dwarf2out.h.
2762 (emit_pic_helper): Delete.
2763 (pic_helper_symbol_name): Delete.
2764 (pic_helper_emitted_p): Delete.
2765 (pic_helper_needed): New.
2766 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2767 (get_pc_thunk_name): New.
2768 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2769 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2770 Set pic_helper_needed to true. Don't call emit_pic_helper.
2771 (sparc_expand_prologue): Update load_pic_register call.
2772 (sparc_output_mi_thunk): Likewise.
2773 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2774 thunk if possible. Output CFI information as needed.
2776 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2777 Jack Howarth <howarth@bromo.med.uc.edu>
2780 * config/i386/i386.h: Fix ABI on darwin x86-32.
2782 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2784 * tree.h: Declare make_decl_rtl_for_debug.
2785 * varasm.c (make_decl_rtl_for_debug): New.
2786 * dwarf2out.c (rtl_for_decl_location): Call it.
2787 * cfgexpand.c (expand_debug_expr): Call it.
2789 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2792 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2796 * var-tracking.c (vt_init_cfa_base): Do nothing if
2797 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2799 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2802 * var-tracking.c (canonicalize_vars_star): New.
2803 (dataflow_post_merge_adjust): Use it.
2805 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2808 * var-tracking.c (non_suitable_const): New function.
2809 (add_uses): For DEBUG_INSNs with constants, don't record any
2810 value, instead just the constant value itself.
2811 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2812 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2813 (emit_notes_in_bb): Likewise.
2814 (emit_note_insn_var_location): For onepart variables if
2815 cur_loc is a VOIDmode constant, use DECL_MODE.
2817 2010-03-18 Martin Jambor <mjambor@suse.cz>
2820 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2821 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2822 all non-clones. Moved call redirection...
2823 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2824 (cgraph_materialize_all_clones): Dispose of all
2825 combined_args_to_skip bitmaps.
2826 (verify_cgraph_node): Do not check for edges pointing to wrong
2827 nodes in inline clones.
2828 * tree-inline.c (copy_bb): Call
2829 cgraph_redirect_edge_call_stmt_to_callee.
2830 * ipa.c (cgraph_remove_unreachable_nodes): Call
2831 cgraph_node_remove_callees even when there are used clones.
2833 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2835 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2837 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2840 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2843 2010-03-18 Michael Matz <matz@suse.de>
2846 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2847 into sqrt(x) if we need to preserve signed zeros.
2849 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2850 Eric Botcazou <ebotcazou@adacore.com>
2852 PR rtl-optimization/43360
2853 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2854 note if we don't know its invariant status.
2856 2010-03-18 Michael Matz <matz@suse.de>
2858 PR tree-optimization/43402
2859 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2860 PHI chains of ssa names registered for update.
2862 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2865 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2866 non-offsettable and pre_modify update addressing.
2867 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2868 and "2" alternatives "#".
2869 (*movdd_softfloat32): Make all alternatives "#";
2870 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2871 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2872 (*movdf_softfloat32): Make all alternatives "#";
2873 (movdi): Use the new DIFD mode iterator to create a common splitter
2874 for movdi, movdf and movdd patterns.
2876 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2878 * common.opt (dumpdir): Remove redundant tab.
2880 2010-03-17 Martin Jambor <mjambor@suse.cz>
2882 PR tree-optimization/43347
2883 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2884 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2886 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2888 PR rtl-optimization/42216
2889 * regrename.c (create_new_chain): New function, broken out from...
2890 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2891 appending a use to an empty chain.
2892 (build_def_use): Remove previous changes that convert OP_INOUT to
2893 OP_OUT operands; instead detect the case where an OP_INOUT operand
2894 uses a previously untracked register and create an empty chain for it.
2896 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2898 * doc/extend.texi (Function Attributes): Rewrite unfinished
2899 sentence in ms_abi documentation.
2901 2010-03-17 Alan Modra <amodra@gmail.com>
2903 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2904 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2905 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2906 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2908 2010-03-16 Richard Henderson <rth@redhat.com>
2911 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2912 (lower_try_finally): Save and restore eh_seq around the expansion
2915 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2917 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2918 statements before splitting block.
2920 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2922 * doc/sourcebuild.texi (Testsuites): Fix markup.
2923 Use pathnames relative to gcc/testsuite.
2924 (Test Directives): Move description of how timeout is determined.
2925 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2926 (C Tests): Correct gcc.misc-tests directory.
2927 Framework tests now live in gcc.test-framework.
2929 2010-03-16 Richard Guenther <rguenther@suse.de>
2932 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2933 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2935 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2936 Alexandre Oliva <aoliva@redhat.com>
2938 PR tree-optimization/42917
2939 * lambda-code.c (remove_iv): Skip debug statements.
2940 (lambda_loopnest_to_gcc_loopnest): Likewise.
2941 (not_interesting_stmt): Debug statements are not interesting.
2943 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2947 * cselib.c (cselib_preserve_constants,
2948 cfa_base_preserved_val): New static variables.
2949 (preserve_only_constants): New function.
2950 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2951 clear its REG_VALUES. If cselib_preserve_constants, don't
2952 empty the whole hash table, but preserve there VALUEs with constants,
2953 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2954 (cselib_preserve_cfa_base_value): New function.
2955 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2956 (cselib_init): Change argument to int bitfield. Set
2957 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2959 (cselib_finish): Clear cselib_preserve_constants and
2960 cfa_base_preserved_val.
2961 * cselib.h (enum cselib_record_what): New enum.
2962 (cselib_init): Change argument to int.
2963 (cselib_preserve_cfa_base_value): New prototype.
2964 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2965 * dse.c (dse_step1): Likewise.
2966 * cfgcleanup.c (thread_jump): Likewise.
2967 * sched-deps.c (sched_analyze): Likewise.
2968 * gcse.c (local_cprop_pass): Likewise.
2969 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2970 If FN is non-NULL, call the callback always and whenever it returns
2971 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2972 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2973 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2974 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2975 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2976 * var-tracking.c: Include recog.h.
2977 (bb_stack_adjust_offset): Remove.
2978 (vt_stack_adjustments): Don't call it, instead just gather the
2979 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2980 (adjust_stack_reference): Remove.
2981 (compute_cfa_pointer): New function.
2982 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2983 (struct adjust_mem_data): New type.
2984 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2986 (get_address_mode): New function.
2987 (replace_expr_with_values): Use it.
2988 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2989 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2990 (adjust_sets): Remove.
2991 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2992 Use get_address_mode.
2993 (get_adjusted_src): Remove.
2994 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2995 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
2996 (add_with_sets): Don't call adjust_sets.
2997 (fp_setter, vt_init_cfa_base): New functions.
2998 (vt_initialize): Change return type to bool. Move most of pool etc.
2999 initialization to the beginning of the function from end. Pass
3000 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3001 If !frame_pointer_needed, call vt_stack_adjustment before mos
3002 vector is filled, call vt_init_cfa_base if argp/framep has been
3003 eliminated to sp. If frame_pointer_needed and argp/framep has
3004 been eliminated to hard frame pointer, set
3005 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3006 encountering fp setter in the prologue. For MO_ADJUST, call
3007 log_op_type before pusing the op into mos vector, not afterwards.
3008 Call adjust_insn before cselib_process_insn/add_with_sets,
3009 call cancel_changes (0) afterwards.
3010 (variable_tracking_main_1): Adjust for vt_initialize calling
3011 vt_stack_adjustments and returning whether it succeeded or not.
3013 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3015 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3018 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3020 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3022 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3023 drap_reg has not been set.
3025 2010-03-15 Michael Matz <matz@suse.de>
3028 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3029 use it to expand block copies.
3030 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3031 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3032 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3034 2010-03-15 Richard Guenther <rguenther@suse.de>
3036 PR tree-optimization/43367
3037 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3040 2010-03-15 Richard Guenther <rguenther@suse.de>
3042 PR tree-optimization/43317
3043 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3045 2010-03-15 Martin Jambor <mjambor@suse.cz>
3047 PR tree-optimization/43141
3048 * tree-sra.c (create_abstract_origin): New function.
3049 (modify_function): Call create_abstract_origin.
3051 2010-03-15 Chris Demetriou <cgd@google.com>
3053 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3056 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3059 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3060 call insert_out_of_ssa_copy for default definitions.
3062 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3064 * graphite-clast-to-gimple.c (my_long_long): Defined.
3065 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3066 * graphite-sese-to-poly.c (my_long_long): Defined.
3067 (scop_ivs_can_be_represented): Use it.
3069 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3071 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3072 graphite-max-bbs-per-function, and loop-block-tile-size.
3073 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3075 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3077 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3079 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3080 forward declaration.
3081 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3082 (add_upper_bounds_from_estimated_nit): New.
3083 (build_loop_iteration_domains): Use it.
3085 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3087 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3089 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3092 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3093 should be an INTEGER_CST. Also handle CASE_CONVERT.
3095 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3097 * graphite.c (graphite_initialize): To bound the number of bbs per
3098 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3099 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3100 * doc/invoke.texi: Document it.
3102 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3104 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3105 * graphite-sese-to-poly.h (build_poly_scop): Same.
3107 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3109 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3110 the number of parameters in the scop. Use as an upper bound
3111 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3112 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3113 * doc/invoke.texi: Document it.
3115 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3117 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3118 * doc/c-tree.texi: Remove.
3119 * doc/generic.texi: Merge c-tree.texi here.
3120 * doc/gccint.texi (Trees): Remove menu entry.
3121 (c-tree.texi): Remove @include.
3122 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3123 * doc/languages.texi (Reading RTL): Ditto.
3125 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3128 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3130 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3133 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3134 code added to work around reload clobbering CONST insns.
3136 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3138 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3139 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3140 (cselib_preserve_only_values): Remove retain argument, don't
3141 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3142 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3143 * var-tracking.c (micro_operation): Move insn field before union.
3144 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3145 (struct variable_tracking_info_def): Remove n_mos field, change
3146 mos into a vector of micro_operations.
3147 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3148 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3149 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3150 changing into a vector.
3151 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3152 come before all other uops generated by add_stores.
3153 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3155 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3156 a vector. Run just one pass over the bbs instead of separate counting
3157 and computation phase.
3158 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3161 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3162 into *nonlocalized_list vector.
3163 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3164 even if origin is non-NULL.
3165 (gen_variable_die): Likewise.
3166 (process_scope_var): Don't change origin.
3167 (gen_decl_die): Likewise.
3168 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3169 before adding new edges instead of after it, fix moving over
3172 2010-03-11 David S. Miller <davem@davemloft.net>
3174 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3176 * configure: Rebuild.
3178 2010-03-11 Martin Jambor <mjambor@suse.cz>
3180 PR tree-optimization/43257
3181 * tree.c (assign_assembler_name_if_neeeded): New function.
3182 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3184 * tree.h (assign_assembler_name_if_neeeded): Declare.
3185 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3186 the function if needed.
3188 2010-03-11 Chris Demetriou <cgd@google.com>
3190 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3191 include/stdint-gcc.h, and include/stdint.h world-readable.
3193 2010-03-11 Richard Guenther <rguenther@suse.de>
3195 PR tree-optimization/43255
3196 * tree-vrp.c (process_assert_insertions_for): Do not insert
3197 asserts for trivial conditions.
3199 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3201 PR tree-optimization/43280
3202 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3203 generation. Move calculation of size out of the if branch.
3204 (find_bswap): Modify compare number generation.
3206 2010-03-11 Richard Guenther <rguenther@suse.de>
3209 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3210 (input_gimple_stmt): Fixup handled component types during
3211 operand read. Also fix up decls in ADDR_EXPRs.
3213 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3215 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3216 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3218 2010-03-10 Jan Hubicka <jh@suse.cz>
3221 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3222 * varasm.c (get_variable_section): Don't do that here...
3223 (make_decl_rtl): ... and here.
3224 (do_assemble_alias): Produce decl RTL.
3225 (assemble_alias): Likewise.
3227 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3230 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3231 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3233 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3234 (based_loc_descr): Only express drap or vdrap regno based expressions
3235 using DW_OP_fbreg when not optimizing.
3236 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3237 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3238 REG_CFA_SET_VDRAP note.
3240 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3242 PR tree-optimization/43236
3243 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3244 error in calculation of base address in reverse iteration case.
3245 (generate_builtin): Take number of latch executions if the statement
3248 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3251 * tree-eh.c: Include pointer-set.h.
3252 (lower_eh_dispatch): Filter out duplicate case labels and
3253 remove the unneeded edge when the label is unused. Return
3254 true when some edges are removed.
3255 (execute_lower_eh_dispatch): When any lowering resulted in
3256 removing an edge, also delete unreachable blocks.
3258 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3261 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3262 UNSPEC_MACHOPIC_OFFSET.
3264 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3267 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3268 (m68k_delegitimize_address): New function.
3270 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3273 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3276 * var-tracking.c (adjust_sets): New function.
3277 (count_with_sets, add_with_sets): Use it.
3278 (get_adjusted_src): New inline function.
3279 (add_stores): Use it.
3282 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3283 call cselib_dummy_expand_value_rtx_cb instead of
3284 cselib_expand_value_rtx_cb.
3287 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3288 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3289 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3290 and .cfi_endproc around the pic thunks.
3291 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3292 all queued unwind info register saves are saved before the call.
3293 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3294 considered as sp-=4 for unwind info and the pop as sp+=4 which
3295 also clobbers dest, but doesn't actually restore it.
3298 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3299 RTX_FRAME_RELATED_P.
3301 2010-03-09 Jie Zhang <jie@codesourcery.com>
3303 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3304 whitespaces in output template.
3306 2010-03-09 Jie Zhang <jie@codesourcery.com>
3308 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3311 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3313 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3314 builtins.exp in a separate job.
3316 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3318 * graphite-sese-to-poly.c (add_param_constraints): Use
3319 lower_bound_in_type and upper_bound_in_type.
3321 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3323 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3324 instead of unsigned_type_node.
3326 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3327 Reza Yazdani <reza.yazdani@amd.com>
3330 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3331 on pointer type parameters.
3333 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3337 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3338 handle conversions from pointer to integers.
3339 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3340 induction variable, to be able to work with code generated by CLooG.
3341 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3342 (build_poly_scop): Bail out if we cannot codegen a loop.
3344 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3346 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3347 code generation with gloog_error.
3349 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3351 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3352 Call fold_convert on all the returned values.
3353 (expand_scalar_variables_expr): Pass to
3354 expand_scalar_variables_ssa_name the type of the resulting expression.
3356 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3358 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3359 ppl_min_for_le_pointset.
3360 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3361 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3363 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3365 * graphite-dependences.c (map_into_dep_poly): Removed.
3366 (dependence_polyhedron_1): Use combine_context_id_scat.
3368 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3370 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3371 (struct poly_bb): Same.
3372 (combine_context_id_scat): New.
3374 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3377 * sese.c (name_defined_in_loop_p): Return false for default
3380 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3382 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3383 and clean up the logic.
3385 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3387 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3390 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3392 * var-tracking.c (remove_cselib_value_chains): Define only for
3394 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3395 delete_slot_part, emit_notes_for_differences_1): Don't call
3396 remove_cselib_value_chains here.
3397 (set_slot_part, emit_notes_for_differences_2): Don't call
3398 add_cselib_value_chains here.
3399 (preserved_values): New vector.
3400 (preserve_value): New function.
3401 (add_uses, add_stores, vt_add_function_parameters): Use it
3402 instead of cselib_preserve_value.
3403 (changed_values_stack): New vector.
3404 (check_changed_vars_0): New function.
3405 (check_changed_vars_1, check_changed_vars_2): Use it.
3406 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3407 changed_values_stack VALUEs.
3408 (vt_emit_notes): For all preserved_values call
3409 add_cselib_value_chains. If ENABLE_CHECKING call
3410 remove_cselib_value_chains before verifying value_chains is empty.
3411 Initialize and free changed_values_stack.
3412 (vt_initialize): Initialize preserved_values.
3413 (vt_finalize): Free preserved_values.
3415 2010-03-08 Richard Guenther <rguenther@suse.de>
3417 PR tree-optimization/43269
3418 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3421 2010-03-08 Martin Jambor <mjambor@suse.cz>
3423 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3424 (ipa_is_param_called): Removed.
3425 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3426 (ipa_print_node_params): Do not print the called flag.
3427 (ipa_write_node_info): Do not stream the called flag.
3428 (ipa_read_node_info): Likewise.
3430 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3433 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3434 * cselib.c (struct expand_value_data): Add dummy field.
3435 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3437 (cselib_dummy_expand_value_rtx_cb): New function.
3438 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3440 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3441 * var-tracking.c: Include pointer-set.h.
3442 (variable): Change n_var_parts to char from int. Add
3443 cur_loc_changed and in_changed_variables fields.
3444 (variable_canonicalize): Remove.
3445 (shared_var_p): New inline function.
3446 (unshare_variable): Maintain cur_loc_changed and
3447 in_changed_variables fields. If var was in changed_variables,
3448 replace it there with new_var. Just copy cur_loc instead of
3449 resetting it to something else.
3450 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3451 (dataflow_set_union): Don't call variable_canonicalize.
3452 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3453 of their DEBUG_EXPR_TREE_DECLs.
3454 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3455 and in_changed_variables and cur_loc_changed is false.
3456 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3457 and cur_loc_changed. Don't update cur_loc here.
3458 (variable_merge_over_src): Don't call variable_canonicalize.
3459 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3460 removing loc that is equal to cur_loc, clear cur_loc,
3461 set cur_loc_changed and ensure variable_was_changed is called.
3462 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3463 compare pointers in cur_loc check, if it is equal to loc,
3464 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3465 (variable_different_p): Remove compare_current_location argument,
3466 don't compare cur_loc.
3467 (dataflow_set_different_1): Adjust variable_different_p caller.
3468 (variable_was_changed): If dv had some var in changed_variables
3469 already, reset in_changed_variables flag for it and propagate
3470 cur_loc_changed over to the new variable. On empty var
3471 always set cur_loc_changed. Set in_changed_variables on whatever
3472 var is added to changed_variables.
3473 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3474 Use shared_var_p. When removing loc that is equal to cur_loc,
3475 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3476 end, don't set it to something else, just call variable_was_changed.
3477 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3478 loc being removed, clear cur_loc and set cur_loc_changed.
3479 Set cur_loc_changed if all locations have been removed.
3480 (struct expand_loc_callback_data): New type.
3481 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3482 allocated. Always create SUBREGs if simplify_subreg failed.
3483 Prefer to use cur_loc, when that fails and still in
3484 changed_variables (and seen first time) recompute it. Set
3485 cur_loc_changed of variables which had to change cur_loc and
3486 compute elcd->cur_loc_changed if any of the subexpressions used
3487 had to change cur_loc.
3488 (vt_expand_loc): Adjust to pass arguments in
3489 expand_loc_callback_data structure.
3490 (vt_expand_loc_dummy): New function.
3491 (emitted_notes): New variable.
3492 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3493 that weren't used for any other decl in current
3494 emit_notes_for_changes call call vt_expand_loc_dummy to update
3495 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3496 first loc_chain location if NULL before. Always use just
3497 cur_loc instead of first loc_chain location. When cur_loc_changed
3498 is false, when not --enable-checking=rtl just don't emit any note.
3499 When rtl checking, compute the note and assert it is the same
3500 as previous note. Clear cur_loc_changed and in_changed_variables
3501 at the end before removing from changed_variables.
3502 (check_changed_vars_3): New function.
3503 (emit_notes_for_changes): Traverse changed_vars to call
3504 check_changed_vars_3 on each changed var.
3505 (emit_notes_for_differences_1): Clear cur_loc_changed and
3506 in_changed_variables. Recompute cur_loc of new_var.
3507 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3508 (vt_emit_notes): Initialize and destroy emitted_notes.
3510 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3512 PR rtl-optimization/42220
3513 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3514 Use verify_reg_tracked to determine if we should use OP_OUT rather
3516 (build_def_use): If we see an in-out operand for a register that we
3517 know nothing about, treat is an output if possible, fail the block if
3520 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3523 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3526 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3529 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3530 uses of relevant DEFs that are dead outside the loop too.
3532 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3534 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3536 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3538 * var-tracking.c (values_to_unmark): New variable.
3539 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3540 values_to_unmark vector. Moved body to...
3541 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3542 instead queue it into values_to_unmark vector.
3543 (vt_find_locations): Free values_to_unmark vector.
3545 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3547 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3548 (site.exp): Export them when plugins are enabled.
3550 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3553 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3555 (chrec_fold_multiply): Same.
3557 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3560 * c-decl.c (build_compound_literal): Return early if init is
3563 2010-03-04 Martin Jambor <mjambor@suse.cz>
3565 PR tree-optimization/43164
3566 PR tree-optimization/43191
3567 * tree-sra.c (type_consists_of_records_p): Reject records with
3568 zero-size bit-fields at the end.
3570 2010-03-04 Mike Stump <mikestump@comcast.net>
3572 * Makefile.in (TAGS): Remove *.y.
3574 2010-03-04 Richard Guenther <rguenther@suse.de>
3576 PR tree-optimization/40761
3577 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3579 (my_rev_post_order_compute): New function.
3580 (init_pre): Call it.
3582 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3585 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3586 decrease the cost of an IV candidate when the cost is infinite.
3588 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3590 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3591 Use '3DNow!' for the extension of that name, ensure normal space
3593 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3595 2010-03-03 Jeff Law <law@redhat.com>
3597 * PR middle-end/32693
3598 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3599 than gen_rtx_SUBREG.
3600 (extract_bit_field_1): Likewise.
3602 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3604 * doc/sourcebuild.texi (Test directives): Document that arguments
3605 include-opts and exclude-opts are now optional for dg-skip-if,
3606 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3608 2010-03-03 Jason Merrill <jason@redhat.com>
3611 * cgraph.h (varpool_node): Add extra_name field.
3612 * varpool.c (varpool_extra_name_alias): New.
3613 (varpool_assemble_decl): Emit extra name aliases.
3614 (varpool_mark_needed_node): Look past an extra name alias.
3615 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3616 * lto-streamer-in.c (lto_input_tree): Read it.
3617 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3619 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3621 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3622 (sparc*-*-solaris2*): ...this.
3624 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3627 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3628 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3629 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3630 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3633 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3634 fallthrough to default handling, just with want_address 0 instead of 2.
3635 For single element lists, add_AT_loc directly, otherwise create an
3636 artificial variable DIE and stick location list to it.
3639 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3640 (VAL_EXPR_HAS_REVERSE): Define.
3641 (reverse_op): New function.
3642 (add_stores): For reversible operations add an extra MO_VAL_USE.
3644 2010-03-02 Jason Merrill <jason@redhat.com>
3646 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3648 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3650 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3651 (sparc64-*-linux*): Likewise.
3652 (sparc64-*-solaris2*): Include assembler files before linker ones.
3653 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3654 * config/sparc/gas.h: Delete.
3655 * config/sparc/sol2-64.h: Add copyright notice.
3656 * config/sparc/sol2-gas-bi.h: Likewise.
3657 * config/sparc/sol2-gld.h: Likewise.
3658 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3659 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3660 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3661 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3662 (sparc_elf_asm_named_section): Rename into...
3663 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3665 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3667 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3669 2010-03-02 Jeff Law <law@redhat.com>
3672 * reload1.c (rtx_p, substitute_stack): Declare.
3673 (substitute): Record addresses of changed rtxs.
3674 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3675 Restore the original rtx when complete.
3676 (reload): Free subsitute_stack when complete.
3678 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3680 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3681 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3683 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3684 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3685 Torture Tests): Change from subsection to section.
3687 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3688 Steven Bosscher <steven@gcc.gnu.org>
3690 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3693 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3696 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3697 the assignment from the new induction variable to the assignment
3698 of the value from the original loop PHI function.
3700 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3701 Daniel Jacobowitz <dan@codesourcery.com>
3703 * doc/sourcebuild.texi (Test directives): Clarify options to
3706 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3708 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3709 Disable cfi directives unless GCC and gas agree on using read-only
3710 .eh_frame sections for 64-bit.
3711 * configure: Regenerate.
3713 2010-03-01 Richard Guenther <rguenther@suse.de>
3715 PR tree-optimization/43220
3716 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3717 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3719 2010-03-01 Richard Guenther <rguenther@suse.de>
3720 Martin Jambor <mjambor@suse.cz>
3723 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3724 gimplified parameters.
3726 2010-03-01 Christian Bruel <christian.bruel@st.com>
3728 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3730 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3732 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3734 2010-03-01 Richard Guenther <rguenther@suse.de>
3737 * expr.c (expand_assignment): Use the alias-oracle to tell
3738 if the rhs aliases the result decl.
3740 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3743 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3744 to sol_gt_pch_get_address.
3745 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3746 64-bit, SPARC and x86.
3747 (sol_gt_pch_get_address): New function.
3749 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3751 * toplev.h (inform_n, error_n): Declare.
3752 * diagnostic.c (inform_n, error_n): New function.
3754 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3756 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3757 has no rtl yet when processing local_decls, queue it and recheck
3758 if deferred stack allocation hasn't assigned it rtl.
3760 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3762 * config/sh/sh.c (unspec_bbr_uid): New.
3763 (gen_block_redirect): Use it instead of INSN_UID.
3764 (gen_far_branch): Likewise.
3766 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3768 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3769 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3771 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3773 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3774 (Warning Options): -Wno-conversion-null is valid for
3775 Objective-C++ as well.
3776 * doc/tm.texi (Named Address Spaces): Likewise.
3777 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3778 * doc/tree-ssa.texi (Tree SSA): Likewise.
3780 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3783 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3784 by default. Don't set the default arch for
3785 i[34567]86-*-darwin*|x86_64-*-darwin*.
3787 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3790 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3791 default. Set the default 32bit/64bit archs with $with_arch
3792 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3794 2010-02-27 Richard Guenther <rguenther@suse.de>
3796 PR tree-optimization/43186
3797 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3798 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3799 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3800 unroller iterations.
3802 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3804 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3805 required and i[34567]86-*-* targets don't support 64bit ISA.
3807 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3810 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3813 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3815 * config.gcc: Set the default arch at least to Prescott for
3816 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3817 if SSE math is enabled.
3819 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3821 * diagnostic.c (diagnostic_initialize): Update.
3822 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3824 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3825 (diagnostic_inhibit_notes): New.
3826 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3828 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3831 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3832 * doc/standards.texi: Likewise.
3833 * doc/extend.texi: Likewise.
3834 * doc/trouble.texi: Likewise.
3835 * doc/cppopts.texi: Likewise.
3836 * doc/install.texi: Likewise.
3837 * c.opt (std=c90,std=gnu90): New options.
3838 * c-opts.c (c_common_handle_option): Handle them.
3840 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3843 * c-decl.c (undeclared_variable): Use an informative note.
3845 2010-02-26 Richard Guenther <rguenther@suse.de>
3847 PR tree-optimization/43186
3848 * gimple.h (gimple_fold): Remove.
3849 * gimple.c (gimple_fold): Remove. Inline into single user ...
3850 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3851 Try harder for conditions.
3853 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3856 * function.c (used_types_insert): Don't skip through named pointer
3857 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3858 and it is different from the main variant's type.
3860 2010-02-26 Nick Clifton <nickc@redhat.com>
3862 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3864 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3866 * config.gcc: Support --with-fpmath=sse for x86.
3868 * config/i386/ssemath.h: New.
3870 * doc/install.texi (--with-fpmath=sse): Documented.
3872 2010-02-26 Richard Guenther <rguenther@suse.de>
3874 PR tree-optimization/43188
3875 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3876 vector types of over-aligned element type.
3878 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3881 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3882 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3884 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3886 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3888 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3890 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3891 * var-tracking.c: Include diagnostic.h.
3892 (debug_dv): New function.
3893 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3896 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3897 (add_value_chain, add_value_chains, remove_value_chain,
3898 remove_value_chains): Handle DEBUG_EXPRs.
3899 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3902 * regcprop.c (struct queued_debug_insn_change): New type.
3903 (struct value_data_entry): Add debug_insn_changes field.
3904 (struct value_data): Add n_debug_insn_changes field.
3905 (debug_insn_changes_pool): New variable.
3906 (free_debug_insn_changes, apply_debug_insn_changes,
3907 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3908 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3909 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3911 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3913 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3914 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3915 changes, call cprop_find_used_regs via note_stores.
3916 (copyprop_hardreg_forward): When copying vd from predecessor
3917 which has any queued DEBUG_INSN changes, make sure the pointers are
3918 cleared. At the end call df_analyze and then if there are any
3919 DEBUG_INSN changes queued at the end of some basic block for still
3920 live registers, apply them.
3921 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3923 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3925 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3928 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3930 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3931 targets. Set the default with_cpu/with_arch from arch/cpu.
3932 Allow x86-64 and native for with_cpu/with_arch.
3934 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3936 * ebitmap.c: Change calls to verify_popcount with calls to
3937 sbitmap_verify_popcount.
3938 (ebitmap_clear_bit): Fixed map->cacheindex test and
3939 map>cache update when bit clearing results in an empty
3942 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3945 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3946 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3947 and support both V2DF and V2DI modes.
3948 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3949 support both V2DF and V2DI modes.
3950 (general): Delete trailing whitespace from a few patterns.
3952 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3953 V2DF/V2DI interleave high/low builtins.
3955 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3958 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3959 interleave high/low functions.
3961 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3963 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3964 #pragma extern_prefix.
3966 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3969 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3970 BLKmode, assert op0 is a MEM and just adjust its mode.
3973 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3974 if bitpos isn't multiple of mode's bitsize.
3976 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3978 * c.opt (-ftemplate-depth=): New.
3979 (-ftemplate-depth-): Deprecate.
3980 * optc-gen.awk: Handle -ftemplate-depth=.
3981 * opth-gen.awk: Likewise.
3982 * c-opts.c (c_common_handle_option): Likewise.
3983 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3985 2010-02-24 Jason Merrill <jason@redhat.com>
3987 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3989 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3991 * cfg.c (alloc_aux_for_block): Remove inline.
3992 (alloc_aux_for_edge): Likewise.
3994 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3996 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
3998 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4000 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4001 * config/i386/sol2-gas.h: New file.
4002 * config.gcc (i[34567]86-*-solaris2*): Use it.
4004 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4007 * c-typeck.c (ep_convert_and_check): New.
4008 (build_conditional_expr): Use it.
4009 (build_binary_op): Likewise.
4011 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4013 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4016 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4017 bounds even for -O+.
4018 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4019 expr needs to have DECL_NAME set.
4021 2010-02-24 Nick Clifton <nickc@redhat.com>
4023 * config/mep/mep.c: Include gimple.h.
4024 (mep_function_uses_sp): Delete unused function.
4025 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4026 parameters. Use unsigned integers to count args. Return a
4027 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4029 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4032 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4033 greater or equal to nelt instead of 2 * nelt.
4034 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4037 2010-02-23 Jason Merrill <jason@redhat.com>
4040 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4041 in cfun->local_decls even if they have register types.
4044 * stor-layout.c (place_field): Don't warn about unnecessary
4045 DECL_PACKED if the type is packed.
4047 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4050 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4051 GOTOFF relocs, even when the base reg isn't pic pointer.
4053 2010-02-23 Michael Matz <matz@suse.de>
4056 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4057 (expand_gimple_basic_block): Generate and use debug temps if there
4058 are debug uses left after the last real use of TERed ssa names.
4059 Unlink debug immediate uses when they are expanded.
4061 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4064 * config/i386/i386.c (override_options): Reorganise to provide
4065 better error messages.
4067 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4070 * graphite-scop-detection.c (create_single_exit_edge): Move
4071 the call to find_single_exit_edge to....
4072 (create_sese_edges): ...here. Don't handle multiple edges
4073 exiting the function.
4074 (build_graphite_scops): Don't handle multiple edges
4075 exiting the function.
4077 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4080 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4081 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4083 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4086 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4088 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4091 * c-typeck.c (convert_arguments): Print declaration location.
4092 * c-common.c (validate_nargs): Rename as
4093 builtin_function_validate_nargs.
4094 (check_builtin_function_arguments): Update.
4096 2010-02-22 Richard Guenther <rguenther@suse.de>
4099 * tree-inline.c (declare_return_variable): Use the type of
4100 the call stmt lhs if available.
4102 2010-02-22 Duncan Sands <baldrick@free.fr>
4104 * passes.c (register_pass): Always consider all pass lists when
4105 ref_pass_instance_number is zero.
4107 2010-02-22 Richard Guenther <rguenther@suse.de>
4109 PR tree-optimization/42749
4110 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4111 parameter. Do arithmetic in the original type.
4112 (update_accumulator_with_ops): Likewise.
4113 (adjust_accumulator_values): Adjust.
4115 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4117 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4118 (QI to BLKmode splitter): New splitter.
4120 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4122 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4123 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4125 2010-02-22 Richard Guenther <rguenther@suse.de>
4127 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4129 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4131 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4132 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4133 ($(T)crti.o, $(T)crtn.o): Remove rules.
4135 2010-02-21 Tobias Burnus <burnus@net-b.de>
4138 * doc/invoke.texi (-fassociative-math): Document that this
4139 option is automatically enabled for Fortran.
4141 2010-02-20 David S. Miller <davem@davemloft.net>
4143 * configure.ac: Test if linker and assembler properly support
4144 GOTDATA_OP relocations.
4145 * configure: Rebuild.
4146 * config.in: Likewise.
4147 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4148 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4149 (movsi_high_pic): Likewise.
4150 (movdi_lo_sum_pic): Likewise.
4151 (movdi_high_pic): Likewise.
4152 (movsi_pic_gotdata_op): New pattern.
4153 (movdi_pic_gotdata_op): Likewise.
4154 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4155 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4157 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4160 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4161 attribute to ssemul.
4162 (xop_mulv2div2di3_high): Ditto.
4164 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4167 * c.opt (Wconversion-null): New option.
4168 * doc/invoke.texi (Wconversion-null): Document.
4170 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4172 * common.opt (Wlarger-than-): Add Undocumented.
4174 2010-02-19 Mike Stump <mikestump@comcast.net>
4176 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4178 2010-02-19 Jason Merrill <jason@redhat.com>
4181 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4182 * configure: Likewise.
4184 2010-02-20 Alan Modra <amodra@gmail.com>
4187 * cgraph.h (cgraph_make_decl_local): Declare.
4188 * cgraph.c (cgraph_make_decl_local): New function.
4189 (cgraph_make_node_local): Use it.
4190 * cgraphunit.c (cgraph_function_versioning): Likewise.
4191 * ipa.c (function_and_variable_visibility): Likewise.
4193 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4196 * except.c (sjlj_emit_function_enter): Don't call
4197 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4199 * rtl.h (add_reg_br_prob_note): Remove prototype.
4201 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4204 * c-common.c (conversion_warning): Remove widening conversions
4205 before checking the conversion of integers to reals.
4207 2010-02-19 Mike Stump <mikestump@comcast.net>
4210 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4213 * cgraphunit.c (process_function_and_variable_attributes): Check
4214 DECL_PRESERVE_P instead of looking up attribute "used".
4215 * ipa-pure-const.c (check_decl): Likewise.
4216 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4217 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4218 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4219 instead of attribute "used".
4220 * config/sol2-c.c (solaris_pragma_init): Likewise.
4221 (solaris_pragma_fini): Likewise.
4223 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4225 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4226 Use XCNEW instead of xcalloc.
4227 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4228 XNEW instead of xmalloc.
4229 (get_fields): Use XNEWVEC instead of xmalloc.
4232 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4233 populate vars array.
4234 (create_new_general_access): For debug stmts just reset value.
4235 (get_stmt_accesses): For accesses within debug stmts just record them
4236 using add_access_to_acc_sites instead of preventing the peeling or
4237 counting them as accesses.
4240 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4242 2010-02-19 Richard Guenther <rguenther@suse.de>
4244 PR tree-optimization/42916
4245 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4248 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4250 * configure.ac: Replace all uses of changequote in macro arguments
4251 with proper quoting.
4253 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4256 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4258 2010-02-19 Richard Guenther <rguenther@suse.de>
4260 PR tree-optimization/42944
4261 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4262 test for aliasing with errno.
4264 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4267 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4268 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4269 * dojump.c: Include output.h.
4270 (inv): New inline function.
4271 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4272 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4273 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4274 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4275 argument, pass it down to other calls.
4276 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4277 add REG_BR_PROB note to the conditional jump.
4278 * cfgexpand.c (add_reg_br_prob_note): Removed.
4279 (expand_gimple_cond): Don't call it, add the probability
4280 as last argument to jumpif_1/jumpifnot_1.
4281 * Makefile.in (dojump.o): Depend on output.h.
4282 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4284 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4285 * stmt.c (do_jump_if_equal): Likewise.
4286 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4287 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4288 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4290 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4291 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4292 jumpifnot_1 callers.
4293 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4295 (store_expr): Adjust jumpifnot caller.
4296 (store_constructor): Adjust jumpif caller.
4299 * gimplify.c (gimple_boolify): For __builtin_expect call
4300 gimple_boolify also on its first argument.
4302 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4304 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4306 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4307 * configure: Regenerated.
4309 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4311 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4312 lang_hooks.types_compatible_p instead of comptypes.
4314 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4316 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4317 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4318 if __prefer_thumb__ is defined.
4320 2010-02-18 Martin Jambor <mjambor@suse.cz>
4322 PR tree-optimization/43066
4323 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4324 array with zero-sized element type.
4326 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4328 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4329 rtx, allocate struct var_loc_node here and return it to the
4330 caller, and only if it is actually needed.
4331 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4332 move it earlier and return immediately if it returns NULL.
4334 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4336 * config/sparc/gas.h: New file. Restore
4337 TARGET_ASM_NAMED_SECTION to its ELF default.
4338 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4340 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4341 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4342 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4343 after sparc/sysv4.h.
4345 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4347 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4349 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4351 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4352 patterns from predicated pattern.
4354 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4357 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4358 for insn mnemonic suffix.
4360 2010-02-17 Richard Guenther <rguenther@suse.de>
4362 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4365 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4368 * caller-save.c (save_call_clobbered_regs): If BB ends with
4369 a DEBUG_INSN, move any notes in between last real insn and the last
4370 DEBUG_INSN after the last DEBUG_INSN.
4372 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4374 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4375 Fix return type. Fix argument type. Explain meaning of return value.
4377 2010-02-16 Richard Guenther <rguenther@suse.de>
4379 PR tree-optimization/41043
4380 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4381 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4383 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4385 2010-02-16 Ira Rosen <irar@il.ibm.com>
4387 PR tree-optimization/43074
4388 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4389 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4390 vectorizable cycles in hybrid SLP check.
4391 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4393 2010-02-16 Richard Guenther <rguenther@suse.de>
4395 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4396 (true_dependence): If memrefs_conflict_p computes must-alias
4397 trust it. Move TBAA check after offset-based disambiguation.
4398 (canon_true_dependence): Likewise.
4400 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4402 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4403 * doc/invoke.texi: Document it.
4404 * var-tracking.c: Include toplev.h and params.h.
4405 (vt_find_locations): Return bool indicating success. Compute
4406 hash sizes unconditionally. Check new parameter, report.
4407 (variable_tracking_main_1): Check vt_find_locations results and
4408 retry. Renamed from...
4409 (variable_tracking_main): ... this. New wrapper to preserve
4410 flag_var_tracking_assignments.
4411 * Makefile.in (var-tracking.o): Adjust dependencies.
4413 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4414 Jakub Jelinek <jakub@redhat.com>
4417 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4418 if weak_import attribute is present.
4419 * config/darwin.c (machopic_select_section): Likewise.
4421 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4423 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4424 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4425 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4426 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4428 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4430 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4433 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4434 Rewrite text to refer to the names.
4436 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4438 * config/i386/i386-builtin-types.def
4439 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4440 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4441 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4442 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4443 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4444 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4445 IX86_BUILTIN_VPERMIL2PS256.
4446 (MULTI_ARG_4_DF2_DI_I): Defined.
4447 (MULTI_ARG_4_DF2_DI_I1): Defined.
4448 (MULTI_ARG_4_SF2_SI_I): Defined.
4449 (MULTI_ARG_4_SF2_SI_I1): Defined.
4450 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4451 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4452 __builtin_ia32_vpermil2ps256.
4453 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4454 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4455 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4456 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4457 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4458 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4459 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4460 CODE_FOR_xop_vpermil2v8sf3.
4461 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4462 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4463 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4464 (_mm256_permute2_pd): New.
4465 (_mm_permute2_ps): New.
4466 (_mm256_permute2_ps): New.
4468 2010-02-15 Nick Clifton <nickc@redhat.com>
4470 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4471 boolean parameters. Use emit_jump_insn when emitting a pop
4472 instruction containing a return insn.
4473 (push): Use 'true' rather than '1' as second parameter to F.
4474 (h8300_expand_prologue): Likewise.
4475 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4476 (h8300_expand_epilogue): Likewise.
4478 2010-02-15 Richard Guenther <rguenther@suse.de>
4481 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4484 2010-02-15 Nick Clifton <nickc@redhat.com>
4486 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4489 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4491 * intl.c (fake_ngettext): New function.
4492 * intl.h (fake_ngettext): Declare.
4493 (ngettext): Define macro.
4494 * collect2.c (notice_translated): New function.
4495 (main): Use notice_translated and ngettext.
4496 * collect2.h (notice_translated): Declare.
4498 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4500 * reorg.c (delete_computation): Comment fixes.
4501 * caller-save.c (setup_save_areas): Idem.
4502 * sel-sched-dump.c (dump_lv_set): Idem.
4505 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4507 * config/s390/s390.c (s390_sched_init): New function.
4508 (TARGET_SCHED_INIT): Target hook defined.
4510 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4511 Jack Howarth <howarth@bromo.med.uc.edu>
4512 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4515 Partial revert of unintended change in fix for PR41605.
4516 * config/darwin.h: Fix typo.
4517 * config/darwin9.h: Same.
4519 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4521 * c-pch.c (pch_init): Clear v.
4523 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4526 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4527 graphite_can_represent_init for MULT_EXPR.
4529 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4533 * graphite-sese-to-poly.c (remove_phi): New.
4534 (translate_scalar_reduction_to_array): Call remove_phi.
4536 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4539 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4540 * graphite-clast-to-gimple.h (gloog): Update declaration.
4541 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4542 * graphite-poly.h (struct poly_bb): Add missing comments.
4543 (struct scop): Add poly_scop_p field.
4545 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4546 * graphite.c (graphite_transform_loops): Build the polyhedral
4547 representation for each scop before code generation.
4548 * sese.c (rename_variables_in_operand): Removed.
4549 (rename_variables_in_expr): Return the renamed expression.
4550 (rename_sese_parameters): New.
4551 * sese.h (rename_sese_parameters): Declared.
4553 2010-02-11 Richard Guenther <rguenther@suse.de>
4555 PR tree-optimization/42998
4556 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4557 POINTER_PLUS_EXPR properly.
4559 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4560 Changpeng Fang <changpeng.fang@amd.com>
4563 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4564 the cost of an IV candidate when the IV is used in a test against zero.
4566 * gcc.dg/tree-ssa/ivopts-3.c: New.
4568 2010-02-11 Richard Guenther <rguenther@suse.de>
4571 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4572 pointer-vs-decl case by swapping refs. Handle some cases
4573 of pointer-vs-decl disambiguations more conservatively.
4574 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4575 to false after expanding.
4577 2010-02-11 Richard Guenther <rguenther@suse.de>
4580 * gcc.c (process_command): Handle LTO file@offset case more
4583 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4585 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4586 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4588 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4590 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4591 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4592 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4593 Optimize eq/ne comparisons when both arguments are known to be
4595 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4596 Don't mask operands unnecessarily if they are known to be already
4599 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4601 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4604 2010-02-10 Richard Guenther <rguenther@suse.de>
4606 PR tree-optimization/43017
4607 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4608 for wrapping signed arithmetic.
4610 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4613 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4614 if no debug info should be emitted for it.
4616 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4618 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4619 note when flag_exceptions is set.
4621 2010-02-10 Duncan Sands <baldrick@free.fr>
4623 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4625 2010-02-10 Richard Guenther <rguenther@suse.de>
4628 * tree.c (get_unwidened): Handle constants.
4629 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4631 2010-02-10 Martin Jambor <mjambor@suse.cz>
4634 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4635 check for variable argument counts independently.
4637 2010-02-10 Christian Bruel <christian.bruel@st.com>
4640 * config/sh/sh.c (find_barrier): Increase length for non delayed
4641 conditional branches.
4643 2010-02-10 Christian Bruel <christian.bruel@st.com>
4645 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4647 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4649 * builtins.c (set_builtin_user_assembler_name): Also handle
4650 ffs if int is smaller than word.
4652 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4655 * ira-conflicts.c (get_dup): Remove.
4656 (process_reg_shuffles): Add new parameter. Use it as an
4657 additional guard for copy generation.
4658 (add_insn_allocno_copies): Rewrite.
4660 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4662 * common.opt (fsched2-use-traces): Preserved for backward
4664 * doc/invoke.texi: Remove the documentation about option
4665 -fsched2-use-traces.
4666 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4667 flag_sched2_use_traces.
4668 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4669 the backward compatibility flag section.
4671 2010-02-09 Richard Guenther <rguenther@suse.de>
4673 PR tree-optimization/43008
4674 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4675 make HEAP variables initialized from global memory if they
4676 are not known builtin functions.
4677 (find_func_aliases): Adjust.
4679 2010-02-09 Richard Guenther <rguenther@suse.de>
4681 PR tree-optimization/43000
4682 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4683 arithmetic manually.
4685 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4687 PR tree-optimization/42931
4688 * tree-loop-linear.c (try_interchange_loops): Don't call
4689 double_int_mul if estimated_loop_iterations failed.
4691 2010-02-08 Martin Jambor <mjambor@suse.cz>
4694 * tree-sra.c (build_accesses_from_assign): Do not mark in
4695 should_scalarize_away_bitmap if stmt has volatile ops.
4696 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4699 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4701 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4703 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4705 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4708 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4711 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4713 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4716 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4717 to unknown_dependence.
4718 (graphite_legal_transform_dr): Handle the unknown_dependence.
4719 (graphite_carried_dependence_level_k): Same.
4721 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4723 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4725 2010-02-07 Richard Guenther <rguenther@suse.de>
4728 * expr.c (get_inner_reference): Always initialize *pbitsize.
4730 2010-02-07 Richard Guenther <rguenther@suse.de>
4733 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4734 new ARRAY_REFs on variable size element or minimal index arrays.
4736 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4737 gimple_fold_indirect_ref.
4739 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4742 * arm.c (arm_override_options): Just return if the user has specified
4743 an invalid fpu name.
4745 2010-02-03 Jason Merrill <jason@redhat.com>
4748 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4749 i386_pe_maybe_record_exported_symbol.
4751 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4754 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4755 (pa_delegitimize_address): New function.
4757 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4759 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4760 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4762 2010-02-05 Richard Guenther <rguenther@suse.de>
4765 * lto-streamer-in.c (get_resolution): Deal with references
4766 to undefined functions.
4768 2010-02-05 Richard Guenther <rguenther@suse.de>
4770 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4771 (fold_const_aggregate_ref): Likewise.
4772 (ccp_fold_stmt): Substitute loads.
4773 (maybe_fold_reference): Verify types before substituting.
4775 (fold_gimple_assign): Unshare properly.
4776 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4778 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4780 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4781 for rs6000_gen_cell_microcode.
4783 2010-02-04 Richard Guenther <rguenther@suse.de>
4785 PR rtl-optimization/42952
4786 * dse.c (const_or_frame_p): Remove MEM handling.
4788 2010-02-04 Nick Clifton <nickc@redhat.com>
4790 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4791 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4792 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4793 (mn10300_asm_output_mi_thunk): New function.
4794 (mn10300_can_output_mu_thunk): New function.
4795 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4796 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4797 (FUNCTION_ARG): Delete incorrect comment.
4799 2010-02-03 Jason Merrill <jason@redhat.com>
4802 * fold-const.c (operand_equal_p): Handle erroneous types.
4804 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4806 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4808 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4810 PR rtl-optimization/42941
4811 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4814 2010-02-03 Jason Merrill <jason@redhat.com>
4817 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4819 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4822 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4823 (cselib_reset_table): Renamed from...
4824 (cselib_reset_table_with_next_value): ... this.
4825 (cselib_get_next_uid): Renamed from...
4826 (cselib_get_next_unknown_value): ... this.
4827 * cselib.c (next_uid): Renamed from...
4828 (next_unknown_value): ... this.
4829 (cselib_clear_table): Adjust.
4830 (cselib_reset_table): Adjust. Renamed from...
4831 (cselib_reset_table_with_next_value): ... this.
4832 (cselib_get_next_uid): Adjust. Renamed from...
4833 (cselib_get_next_unknown_value): ... this.
4834 (get_value_hash): Use hash.
4835 (cselib_hash_rtx): Likewise.
4836 (new_cselib_val): Adjust. Set and dump uid.
4837 (cselib_lookup_mem): Pass next_uid as hash.
4838 (cselib_subst_to_values): Likewise.
4839 (cselib_log_lookup): Dump uid.
4840 (cselib_lookup): Pass next_uid as hash. Adjust.
4841 (cselib_process_insn): Adjust.
4842 (cselib_init): Initialize next_uid.
4843 (cselib_finish): Adjust.
4844 (dump_cselib_table): Likewise.
4845 * dse.c (canon_address): Dump value uid.
4846 * print-rtl.c (print_rtx): Print value uid.
4847 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4849 (dv_uid): New function, sort of renamed from...
4850 (dv_htab_hash): ... this, reimplemented in terms of it and...
4851 (dv_uid2hash): ... this. New.
4852 (variable_htab_eq): Drop excess assertions.
4853 (tie_break_pointers): Removed.
4854 (canon_value_cmp): Compare uids.
4855 (variable_post_merge_New_vals): Print uids.
4856 (vt_add_function_parameters): Adjust.
4857 (vt_initialize): Reset table. Adjust.
4859 2010-02-03 Richard Guenther <rguenther@suse.de>
4861 PR tree-optimization/42944
4862 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4863 (call_may_clobber_ref_p_1): Likewise. Properly handle
4864 malloc and calloc clobbering errno.
4866 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4868 * doc/invoke.texi: Fix name of sched1 dump.
4870 * opts.c (decode_options): Set flag_tree_switch_conversion
4871 only conditionally on optimize >= 2.
4873 * gcse.c: Assorted comment fixes in pass description.
4875 2010-02-03 Anthony Green <green@moxielogic.com>
4877 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4878 nop padding in order to maintain alignment of storage location of
4879 target function address.
4880 (moxie_trampoline_init): Store target function address at newly
4882 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4884 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4886 2010-02-03 Richard Guenther <rguenther@suse.de>
4889 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4891 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4893 * config.gcc: Reenable check for obsolete targets.
4894 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4895 mips-sgi-irix6.[0-4]*.
4897 2010-02-02 Nick Clifton <nickc@redhat.com>
4899 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4900 constant size of 4 as being the same as 0.
4901 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4902 can take values in the range 0..4.
4904 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4907 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4908 as _darwin10_Unwind_FindEnclosingFunction().
4909 * libgcc-libsystem.ver: New.
4911 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4914 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4915 implicitly set registers.
4917 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4919 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4920 (arm_override_options): Allow automatic selection of the thread
4921 pointer register if thumb2.
4922 (legitimize_pic_address): Improve code sequences for Thumb2.
4923 (arm_call_tls_get_addr): Likewise.
4924 (legitimize_tls_address): Likewise.
4925 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4926 (pic_load_addr_32bit): ... this. New named pattern.
4927 * thumb2.md (pic_load_addr_thumb2): Delete.
4928 (pic_load_dot_plus_four): Delete.
4929 (tls_load_dot_plus_four): New named pattern.
4931 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4934 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4935 Document fix for TLS bug.
4937 2010-01-31 Richard Guenther <rguenther@suse.de>
4939 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4940 conservatively correct.
4942 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4946 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4948 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4950 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4952 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4954 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4956 * config.gcc: Adjust order of makefile fragments for mingw targets.
4958 2010-01-31 Richard Guenther <rguenther@suse.de>
4961 * gimplify.c (gimplify_init_constructor): For volatile LHS
4962 initialize a temporary.
4964 2010-01-31 Matthias Klose <doko@ubuntu.com>
4966 * configure.ac: Fix __stack_chk_fail check for cross builds configured
4968 * configure: Regenerate.
4970 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
4972 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4973 the same alias set and their sizes different constantness.
4974 (aliasing_component_refs_p): Revert 2009-10-24 change.
4976 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4978 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
4981 2010-01-29 Richard Guenther <rguenther@suse.de>
4983 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
4984 Assert we successfully updated the call.
4986 2010-01-29 Jakub Jelinek <jakub@redhat.com>
4988 PR rtl-optimization/42889
4989 * df.h (df_set_bb_dirty_nonlr): New prototype.
4990 * df-core.c (df_set_bb_dirty_nonlr): New function.
4991 * df-scan.c (df_insn_rescan): Call it instead of
4992 df_set_bb_dirty for DEBUG_INSNs.
4994 2010-01-29 Richard Guenther <rguenther@suse.de>
4997 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
4998 quadratic behavior in most cases.
5000 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5003 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5004 in the call to gen_x86_movsicc_0_m1.
5006 2010-01-28 Richard Guenther <rguenther@suse.de>
5008 PR tree-optimization/42871
5009 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5011 2010-01-28 Richard Guenther <rguenther@suse.de>
5013 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5014 into call arguments.
5016 2010-01-28 Richard Guenther <rguenther@suse.de>
5019 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5020 the forwarder if the destination is an EH landing pad.
5022 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5024 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5025 block list passed to gimple_duplicate_sese_tail.
5026 (parallelize_loops): Avoid parallelization when the function
5028 Avoid parallelization when the preheader is IRREDUCIBLE.
5029 Try to optimize when estimated_loop_iterations_int is unresolved.
5030 Add the loop's location to the dump file.
5031 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5032 (gimple_duplicate_sese_tail): Remove the check for the latch.
5033 Redirect nexits to the exit block.
5034 Remove handling of the incoming edges to the latch.
5035 Redirect the backedge from the copied latch to the exit bb.
5037 2010-01-28 Michael Matz <matz@suse.de>
5040 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5041 Wrap force_reg into a sequence, emit it before user.
5043 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5045 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5047 (arm_legacy_rev): Likewise.
5048 (thumb_legacy_rev): Likewise.
5050 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5052 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5053 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5054 on MEM's address failed, try avoid_constant_pool_reference and
5055 recurse if it returned something different.
5056 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5057 address, try avoid_constant_pool_reference and recurse if it
5058 returned something different.
5059 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5060 address and avoid_constant_pool_reference returned something
5061 different, don't set have_address.
5063 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5066 * var-tracking.c (val_store): Add modified argument, obey it.
5068 (count_uses): Move down logging of main.
5069 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5070 don't need resolution.
5071 (emit_notes_in_bb): Likewise.
5073 2010-01-27 Richard Guenther <rguenther@suse.de>
5076 * tree-inline.c (remap_decl): Delay remapping of SSA name
5077 default definitions until we need them.
5079 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5081 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5082 (rs6000_delegitimize_address): New function.
5084 * config/s390/s390.c (s390_delegitimize_address): Call
5085 delegitimize_mem_from_attrs.
5088 * tree-inline.c (cannot_copy_type_1): Removed.
5089 (copy_forbidden): Don't forbid copying of functions containing
5090 records/unions with variable length fields.
5092 2010-01-27 Christian Bruel <christian.bruel@st.com>
5096 * config/sh/sh.c (find_barrier): Increase length for non delayed
5097 conditional branches.
5099 2010-01-27 Matthias Klose <doko@ubuntu.com>
5101 * configure.ac (gnu-unique-object): Fix ldd version check.
5102 * configure: Regenerate.
5104 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5106 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5108 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5109 Test for HAVE_GNU_AS value.
5111 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5113 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5114 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5115 INT64_TYPE): Define.
5116 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5117 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5118 INT_LEAST64_TYPE): Define.
5119 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5120 UINT_LEAST64_TYPE): Define.
5121 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5122 INT_FAST64_TYPE): Define.
5123 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5124 UINT_FAST64_TYPE): Define.
5125 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5126 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5127 (SIG_ATOMIC_TYPE): Define.
5129 2010-01-26 Richard Guenther <rguenther@suse.de>
5131 * df-scan.c (df_scan_set_bb_info): Remove assert.
5132 (df_insn_rescan_debug_internal): Merge asserts.
5133 (df_install_ref): Likewise.
5134 (df_mark_reg): Use bitmap_set_range.
5135 (df_hard_reg_used_p): Remove assert.
5136 (df_hard_reg_used_count): Likewise.
5138 2010-01-26 Richard Guenther <rguenther@suse.de>
5140 PR rtl-optimization/42685
5141 * web.c (web_main): Ignore DEBUG_INSNs.
5143 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5145 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5147 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5148 Fix types of fndecl and arglist parameters.
5150 2010-01-26 Richard Guenther <rguenther@suse.de>
5153 * tree-eh.c (unsplit_eh): Skip debug insns.
5155 2010-01-26 Richard Guenther <rguenther@suse.de>
5157 PR tree-optimization/42250
5158 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5160 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5163 * omp-low.c (expand_omp_sections): Only use single_pred if
5164 l2_bb is single_pred_p.
5166 2010-01-25 Christian Bruel <christian.bruel@st.com>
5169 * config/sh/sh.c (find_barrier): Increase length for non delayed
5170 conditional branches.
5171 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5173 2010-01-24 David S. Miller <davem@davemloft.net>
5175 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5176 define if not using GAS.
5177 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5178 Likewise. Delete SECTION_MERGE code, which is only applicable
5181 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5184 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5185 mangling of va_list in system headers.
5187 2010-01-23 Toon Moene <toon@moene.org>
5189 * tree-predcom.c (combine_chains): Return NULL, not false.
5191 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5193 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5194 initialization of variable res to agree with return type.
5196 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5198 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5199 * tree-sra.c: Add include of expr.h.
5201 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5203 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5204 insert the debug stmt on the single non-EH edge from the stmt.
5206 2010-01-22 Richard Henderson <rth@redhat.com>
5209 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5210 the RHS until after generate_subtree_copies has insertted its
5211 code before the current statement.
5213 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5215 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5217 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5219 2010-01-21 Martin Jambor <mjambor@suse.cz>
5221 PR tree-optimization/42585
5222 * tree-sra.c (struct access): New field grp_total_scalarization.
5223 (dump_access): Dump the new field.
5224 (should_scalarize_away_bitmap): New variable.
5225 (cannot_scalarize_away_bitmap): Likewise.
5226 (sra_initialize): Allocate new bitmaps.
5227 (sra_deinitialize): Free new bitmaps.
5228 (create_access_1): New function.
5229 (create_access): Parts moved to create_access_1.
5230 (type_consists_of_records_p): New function.
5231 (completely_scalarize_record): Likewise.
5232 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5233 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5234 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5236 (analyze_all_variable_accesses): Completely scalarize small eligible
5239 2010-01-21 Martin Jambor <mjambor@suse.cz>
5241 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5243 2010-01-21 Andrew Haley <aph@redhat.com>
5245 * gcc.c (process_command): Move lang_specific_driver before
5246 setting cc_libexec_prefix.
5248 2010-01-21 Richard Guenther <rguenther@suse.de>
5251 * fold-const.c (negate_expr_p): Pretend only negative
5252 real constants are easily negatable.
5254 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5255 Jason Merrill <jason@redhat.com>
5257 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5258 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5259 * calls.c (initialize argument_information): Handle it.
5260 * c-common.c (handle_transparent_union_attribute): Use new name.
5261 * c-decl.c (finish_struct): Ditto.
5262 * c-typeck.c (type_lists_compatible_p): Ditto.
5263 (convert_for_assignment): Use new name and also handle record.
5264 * function.c (aggregate_value_p): Handle it.
5265 (pass_by_reference): Ditto.
5266 (assign_parm_data_types): Ditto.
5267 * print-tree.c (print_node): Ditto.
5268 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5269 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5270 * tree.c (first_field): New fn.
5272 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5275 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5276 even when linking statically, for now.
5278 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5281 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5282 without a cselib val.
5283 (count_uses): Accept MO_VAL_SET with no val on stores.
5284 (add_stores): Likewise.
5286 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5288 * var-tracking.c (check_value_val): Add a compile time assertion.
5289 (dv_is_decl_p): Simplify.
5290 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5291 gcc_assert if ENABLE_CHECKING.
5293 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5296 * var-tracking.c: Include tree-flow.h.
5297 (mem_dies_at_call): New.
5298 (dataflow_set_preserve_mem_locs): Use it.
5299 (dataflow_set_remove_mem_locs): Likewise.
5300 (dump_var): Renamed from dump_variable. Adjust all callers.
5301 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5302 * Makefile.in (var-tracking.o): Adjust deps.
5304 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5306 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5308 2010-01-20 Richard Guenther <rguenther@suse.de>
5310 PR tree-optimization/42717
5311 * tree-ssa-dce.c (get_live_post_dom): Remove.
5312 (forward_edge_to_pdom): Take an arbitrary edge to copy
5313 degenerate PHI args from.
5314 (remove_dead_stmt): Use the first post-dominator even if it
5315 does not contain live statements as redirection destination.
5317 2010-01-20 Richard Guenther <rguenther@suse.de>
5319 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5321 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5323 * sel-sched.c (create_speculation_check): Remove set but not used
5325 (try_transformation_cache): Remove set but not used variable ds.
5326 (calculate_privileged_insns): Remove set but not used variables
5327 cur_insn and min_spec_insn.
5328 (find_best_expr): Remove set but not used variable avail_n.
5329 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5331 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5333 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5334 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5337 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5340 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5341 cpu types. Add support for *-sse3 cpu types.
5342 (x86_64-*-*): Ditto.
5344 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5347 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5348 argument, call initializer_constant_valid_p_1 instead of
5349 initializer_constant_valid_p, pass CACHE to it, return NULL
5350 immediately if first call returns NULL.
5351 (initializer_constant_valid_p_1): New function.
5352 (initializer_constant_valid_p): Use it.
5354 2010-01-20 Thomas Quinot <quinot@adacore.com>
5356 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5358 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5360 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5361 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5362 (loc_list_from_tree): Don't handle unsigned division. Handle
5363 signed modulo using DW_OP_{over,over,div,mul,minus}.
5364 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5365 modulo instead of signed.
5367 2010-01-20 DJ Delorie <dj@redhat.com>
5369 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5371 (h8300_emit_stack_adjustment): Propogate it.
5373 (h8300_expand_prologue): Likewise.
5374 (h8300_expand_epilogue): Likewise.
5376 2010-01-19 Michael Matz <matz@suse.de>
5378 PR tree-optimization/41783
5379 * tree-data-ref.c (toplevel): Include flags.h.
5380 (dump_data_dependence_relation): Also dump the inputs if the
5381 result will be unknown.
5382 (split_constant_offset_1): Look through some conversions.
5383 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5384 the offset from last element is too large.
5385 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5386 (reassociate_to_the_same_stmt): Handle vector registers.
5387 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5389 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5390 wide_prolog_niters argument, emit widening instructions.
5391 (vect_do_peeling_for_alignment): Adjust caller, use widened
5392 variant of the iteration cound.
5393 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5395 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5398 * config/arm/neon-testgen.m (emit_automatics): New parameter
5399 features. Adjust for Fixed_return_reg feature.
5400 (test_intrinsic): Call emit_automatics with new feature.
5401 * config/arm/neon.ml: Update copyright years.
5402 (features): New Fixed_return_reg feature.
5403 (ops): Update feature for Vget_low.
5405 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5407 PR tree-optimization/42719
5408 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5412 * fwprop.c (all_uses_available_at): Return false if def_set dest
5413 is a REG that is used in def_insn.
5415 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5417 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5419 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5422 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5424 * target.h (struct gcc_target) <secondary_reload>: Change type
5425 of last argument to secondary_reload_info *.
5427 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5430 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5431 memory references with unaligned offsets. Remove CQImode handling.
5432 (unaligned_memory_operand): Return 1 for memory references with
5433 unaligned offsets. Remove CQImode handling.
5435 2010-01-18 Richard Guenther <rguenther@suse.de>
5438 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5441 2010-01-18 Richard Guenther <rguenther@suse.de>
5443 PR tree-optimization/42781
5444 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5445 restrict processing only if the original variable was artificial.
5447 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5449 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5450 find number of popped argument bytes.
5452 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5453 Fix the text that describes the return value for invalid insns.
5455 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5457 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5458 Clarify what 'cost of the -dependence' is. Fix quoting.
5460 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5461 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5463 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5465 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5466 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5468 2010-01-17 Richard Guenther <rguenther@suse.de>
5471 * function.c (split_complex_args): Take a VEC to modify.
5472 (assign_parms_augmented_arg_list): Build a VEC instead of
5473 a chain of PARM_DECLs.
5474 (assign_parms_unsplit_complex): Take a VEC of arguments.
5475 Do not fixup unmodified parms.
5476 (assign_parms): Deal with the VEC.
5477 (gimplify_parameters): Likewise.
5479 2010-01-17 Richard Guenther <rguenther@suse.de>
5481 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5482 node existence check.
5483 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5484 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5485 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5486 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5487 (gimple_execute_on_growing_pred): Likewise.
5489 2010-01-17 Richard Guenther <rguenther@suse.de>
5491 PR tree-optimization/42773
5492 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5493 (compute_antic_aux): Likewise.
5494 (compute_partial_antic_aux): Likewise.
5496 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5499 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5502 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5504 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5507 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5508 Fix markup for strict argument.
5510 (TARGET_SCHED_REORDER2): Fix argument types.
5512 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5513 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5515 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5516 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5518 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5521 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5522 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5523 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5524 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5525 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5527 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5529 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5531 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5532 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5534 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5536 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5539 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5541 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5542 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5544 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5546 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5548 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5549 referring to it. Fix language.
5551 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5553 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5555 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5557 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5559 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5560 '@var{stream}. Remove stray 'and'.
5562 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5564 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5566 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5568 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5569 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5571 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5572 Fix description of return value.
5573 Rename argument "sz" to "len."
5575 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5576 Clarify meaning of 'true' return value.
5578 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5580 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5581 rep_mode versus mode_rep.
5583 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5585 (TARGET_BUILTIN_DECL): Fix name.
5587 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5589 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5591 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5593 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5595 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5597 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5600 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5601 Rename argument tm_fn to md_fn.
5603 (TARGET_OPTION_PRINT): Fix argument list.
5605 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5608 * config/i386/i386.c (ix86_fixup_binary_operands):
5609 Revert FMA4 fixup of operands.
5611 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5614 * Makefile.in (write_entries_to_file, install-plugin):
5615 Use \012 instead of \n with tr.
5617 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5619 * configure.ac (HAVE_AS_REF): New C macro.
5620 * configure: Regenerate.
5621 * config.in: Likewise.
5622 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5624 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5627 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5629 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5631 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5633 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5635 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5637 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5639 (TARGET_BINDS_LOCAL_P): Fix argument type.
5641 (TARGET_ASM_FILE_END): Use prototype.
5643 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5645 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5647 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5649 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5651 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5652 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5654 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5655 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5657 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5658 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5659 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5660 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5662 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5664 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5666 (TARGET_INIT_BUILTINS): Use prototype.
5668 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5669 Put 'const char *' in braces. Fix parameter types.
5670 (TARGET_INVALID_CONVERSION): Fix parameter types.
5671 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5672 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5674 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5677 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5679 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5681 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5683 * doc/tm.texi (TARGET_HELP): Fix return type.
5685 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5686 in braces. Fix argument types.
5688 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5690 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5692 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5694 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5695 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5697 (TARGET_MANGLE_TYPE): Fix argument types.
5699 (TARGET_IRA_COVER_CLASSES): Use prototype.
5701 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5703 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5705 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5707 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5709 (TARGET_CALLEE_COPIES): Fix argument types.
5711 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5713 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5715 (TARGET_FUNCTION_VALUE): Fix argument types.
5717 (TARGET_RETURN_IN_MSB): Fix argument type.
5719 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5721 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5723 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5725 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5726 agree with return type.
5728 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5730 2010-01-15 Jing Yu <jingyu@google.com>
5732 PR rtl-optimization/42691
5733 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5734 a pseudo to a constant and are merged, and adjust comments.
5736 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5738 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5740 2010-01-15 Richard Guenther <rguenther@suse.de>
5743 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5744 labels of computed or non-local gotos to the destination.
5745 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5746 landing pad label is the first label.
5748 2010-01-15 Richard Guenther <rguenther@suse.de>
5750 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5752 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5755 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5756 to allow generation of the xssqrtdp instruction on power7.
5757 (sqrtdf2_fpr): Ditto.
5759 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5762 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5763 functions with noreturn attribute.
5766 * varasm.c (declare_weak): Add weak attribute to decl if it
5767 doesn't have one already.
5768 (assemble_external): Only add decls to weak_decls if they also
5769 have weak attribute.
5771 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5773 * var-tracking.c (var_reg_delete): Don't delete the association
5774 between REGs and values or one-part variables if the register
5777 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5780 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5781 because its first operand is a non-localized variable.
5783 2010-01-14 Martin Jambor <mjambor@suse.cz>
5785 PR tree-optimization/42706
5786 * tree-sra.c (encountered_recursive_call): New variable.
5787 (encountered_unchangable_recursive_call): Likewise.
5788 (sra_initialize): Initialize both new variables.
5789 (callsite_has_enough_arguments_p): New function.
5790 (scan_function): Call decl and flags check only for IPA-SRA, check
5791 whether there is a recursive call and whether it has enough arguments.
5792 (all_callers_have_enough_arguments_p): New function.
5793 (convert_callers): Look for recursive calls only when
5794 encountered_recursive_call is set.
5795 (ipa_early_sra): Bail out either if
5796 !all_callers_have_enough_arguments_p or
5797 encountered_unchangable_recursive_call.
5799 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5801 * sel-sched.c: Add 2010 to copyright years.
5802 * sel-sched-ir.c: Likewise.
5803 * sel-sched-ir.h: Likewise.
5805 2010-01-14 Martin Jambor <mjambor@suse.cz>
5807 PR tree-optimization/42714
5808 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5809 constructors specially.
5811 2010-01-14 Andi Kleen <ak@linux.intel.com>
5813 * config/i386/drivers-i386.c (detect_caches_intel):
5814 Add l2sizekb parameter and fill in.
5815 (host_detect_local_cpu): Add l2sizekb, fill in.
5816 Add Atom small cache heuristic.
5818 2010-01-14 Andi Kleen <ak@linux.intel.com>
5820 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5821 Add level3 parameter and fill in.
5822 (detect_caches_intel): Handle level3 cache.
5824 2010-01-14 Andi Kleen <ak@linux.intel.com>
5826 * config/i386/drivers-i386.c (host_detect_local_cpu):
5827 Fix core duo detection.
5829 2010-01-14 Andi Kleen <ak@linux.intel.com>
5831 * config/i386/drivers-i386.c (host_detect_local_cpu):
5834 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5836 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5837 (rs6000_variable_issue_1): this. Use...
5838 (rs6000_variable_issue): here. Reimplement. Print debug info.
5840 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5842 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5843 sel_restore_notes. Update all callers. Call reemit_notes
5846 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5848 PR rtl-optimization/42246
5849 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5852 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5854 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5855 all successors is the same as number of successors in current region.
5857 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5859 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5860 to rename is not separable. Otherwise check that its LHS is not NULL.
5862 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5864 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5866 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5868 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5869 available registers when failed to discover LHS register class.
5870 Fix indentation. Update comment.
5872 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5873 Alexander Monakov <amonakov@ispras.ru>
5875 PR rtl-optimization/42389
5876 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5878 (advance_state_on_fence): Likewise.
5879 (sel_target_adjust_priority): Print debug output only when
5880 sched_verbose >= 4, not 2.
5881 (get_expr_cost): Do not issue all unique insns on the next cycle.
5882 (fill_insns): Initialize can_issue_more from the value saved
5884 * sel-sched-ir.c (flist_add): New parameter issue_more.
5885 Init FENCE_ISSUE_MORE with it.
5886 (merge_fences): Likewise.
5887 (init_fences): Update call to flist_add.
5888 (add_to_fences, add_clean_fence_to_fences)
5889 (add_dirty_fence_to_fences): Likewise.
5890 (move_fence_to_fences): Update call to merge_fences.
5891 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5893 * sel-sched-ir.h (struct _fence): New field issue_more.
5894 (FENCE_ISSUE_MORE): New accessor macro.
5896 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5898 PR rtl-optimization/42388
5899 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5900 that have no predecessors nor successors. Do not call move_bb_info
5901 for empty blocks outside of current region.
5903 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5905 PR rtl-optimization/42294
5906 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5907 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5908 originators' originators.
5910 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5912 PR rtl-optimization/39453
5913 PR rtl-optimization/42246
5914 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5916 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5918 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5919 Alexander Monakov <amonakov@ispras.ru>
5922 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5923 (maybe_tidy_empty_bb): ... here. Make static. Add new
5924 argument. Update all callers.
5925 (tidy_control_flow): ... and here. Recompute topological order
5926 of basic blocks in region if necessary.
5927 (sel_redirect_edge_and_branch): Change return type. Return true
5928 if topological order might have been invalidated.
5929 (purge_empty_blocks): Export and move from...
5930 * sel-sched.c (purge_empty_blocks): ... here.
5931 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5932 (maybe_tidy_empty_bb): Delete prototype.
5933 (purge_empty_blocks): Declare.
5935 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5937 PR rtl-optimization/42249
5938 * sel-sched.c (try_replace_dest_reg): When chosen register
5939 and original register is the same, do not bail out early, but
5940 still check all original insns for validity of replacing destination
5941 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5944 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5947 Port from no-undefined-overflow branch:
5948 2009-03-09 Richard Guenther <rguenther@suse.de>
5950 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5952 2010-01-14 Richard Guenther <rguenther@suse.de>
5955 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5957 2010-01-14 Ira Rosen <irar@il.ibm.com>
5959 PR tree-optimization/42709
5960 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5961 as scalar type in creation of constant vector operand.
5963 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5966 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5967 (check-parallel-%): Match `testsuite' directory component only
5970 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
5972 PR translation/39521
5973 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
5976 2010-01-13 Richard Guenther <rguenther@suse.de>
5978 PR tree-optimization/42730
5979 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
5982 2010-01-13 Steve Ellcey <sje@cup.hp.com>
5985 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
5986 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
5989 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
5991 * config/bfin/libgcc-bfin.ver: Regenerate based on current
5992 libgcc-std.ver. Add entries for ___smulsi3_highpart and
5993 ___umulsi3_highpart.
5995 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
5996 rather than schedule_insns if the pass is enabled.
5998 2010-01-13 Martin Jambor <mjambor@suse.cz>
6000 PR tree-optimization/42704
6001 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6004 2010-01-13 Martin Jambor <mjambor@suse.cz>
6006 PR tree-optimization/42703
6007 * tree-sra.c (analyze_access_subtree): Check that we can build a
6008 reference to the original data within the aggregate.
6010 2010-01-13 Richard Guenther <rguenther@suse.de>
6012 PR tree-optimization/42705
6013 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6015 2010-01-13 Richard Guenther <rguenther@suse.de>
6018 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6020 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6023 * var-tracking.c (values_to_unmark): New variable.
6024 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6025 values_to_unmark vector. Moved body to...
6026 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6027 instead queue it into values_to_unmark vector.
6028 (vt_find_locations): Free values_to_unmark vector.
6030 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6032 * config/s390/s390.c (override_options): Set
6033 default of max-pending-list-length to 256
6035 2010-01-13 Richard Guenther <rguenther@suse.de>
6038 * tree-pass.h (PROP_gimple_lcx): New.
6039 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6040 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6041 before the final cleanup_eh.
6042 (dump_properties): Dump PROP_gimple_lcx.
6043 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6044 (tree_lower_complex_O0): Remove.
6045 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6046 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6047 tree_lower_complex, schedule TODO_update_ssa.
6048 * lto-streamer-out.c (output_function): Stream the functions
6050 * lto-streamer-in.c (input_function): Likewise.
6051 (lto_read_body): Do not override them here.
6053 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6056 * c-typeck.c (build_c_cast): Fold value cast to union type before
6057 wrapping it in a CONSTRUCTOR.
6059 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6061 PR rtl-optimization/42699
6062 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6065 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6067 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6068 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6069 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6070 SUBTARGET_WARN_UNUSED_SPEC): ... here
6071 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6073 2010-01-12 Julian Brown <julian@codesourcery.com>
6075 * config/arm/neon-schedgen.ml (Utils): Don't try to
6076 open missing module.
6077 (find_with_result): New.
6079 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6082 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6083 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6085 PR tree-optimization/42645
6086 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6087 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6088 decl_map, set processing_debug_stmt to -1 and return name without
6091 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6093 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6094 binutils version, and reword target configuration description.
6096 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6098 * config/avr/avr.h (LINKER_NAME): Remove.
6100 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6103 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6104 that support VSX, warn for -mno-altivec if vsx is not disabled,
6107 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6108 Shujing Zhao <pearly.zhao@oracle.com>
6110 PR translation/42469
6111 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6112 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6113 character between option name and help text.
6114 * c.opt (imultilib): Likewise.
6116 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6118 * lto-streamer-out.c (output_unreferenced_globals): Output static
6121 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6123 PR rtl-optimization/42621
6124 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6125 optimizing for size.
6126 (duplicate_computed_gotos): Remove now-redundant check.
6128 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6131 * configure.ac: Save and restore LDFLAGS and LIBS
6132 * configure: Regenerate.
6134 2010-01-10 Richard Guenther <rguenther@suse.de>
6137 * builtins.c (fold_builtin_strlen): Add type argument and
6138 convert the resulting length to it.
6139 (fold_builtin_1): Adjust.
6141 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6143 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6144 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6146 (num_insns_constant_wide): Adjust for that change.
6148 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6151 * web.c (union_defs): Add used argument, to combine uses of
6153 (entry_register): Adjust type and tests of used argument.
6154 (web_main): Widen used for new use. Pass it to union_defs.
6155 * df.h (union_defs): Adjust prototype.
6157 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6160 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6161 uses in new incoming argument. Free body.
6162 (reset_debug_uses_in_loop): New.
6163 (analyze_insn_to_expand_var): Call the latter if the former found
6164 anything. Fix whitespace. Reject invalid dest overlaps before
6165 going through all insns in the loop.
6167 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6170 * haifa-sched.c (dying_use_p): Debug insns don't count.
6172 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6175 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6176 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6177 (verify_gimple_call): Reject LHS in noreturn calls.
6179 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6183 * tree-vect-loop-manip.c (adjust_info): New type.
6184 (adjust_vec): New pointer to vector.
6185 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6186 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6187 (slpeel_update_phis_for_duplicate_loop): Use them.
6188 (slpeel_update_phi_nodes_for_guard1): Likewise.
6189 (slpeel_update_phi_nodes_for_guard2): Likewise.
6190 (slpeel_tree_peel_loop_to_edge): Likewise.
6191 (vect_update_ivs_after_vectorizer): Likewise.
6193 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6195 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6196 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6198 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6200 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6201 bogus uninitialized warning.
6203 2010-01-09 Richard Guenther <rguenther@suse.de>
6206 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6207 the evolution is compatible with the initial condition.
6209 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6211 * gcc.c (process_command): Update copyright notice dates.
6212 * gcov.c (print_version): Likewise.
6213 * gcov-dump.c (print_version): Likewise.
6214 * mips-tfile.c (main): Likewise.
6215 * mips-tdump.c (main): Likewise.
6217 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6220 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6222 (rotlhi3_8): Delete.
6224 (rotlsi3_8): Delete.
6225 (rotlsi3_16): Delete.
6226 (rotlsi3_24): Delete.
6228 (*rotw<mode>3): New.
6229 (*rotb<mode>3): New.
6230 * config/avr/avr.c (avr_rotate_bytes): New function.
6231 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6233 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6236 * configure.ac: Modify -rdynamic check.
6237 * configure: Regenerate.
6239 2010-01-08 DJ Delorie <dj@redhat.com>
6241 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6242 register popping order.
6244 2010-01-08 Richard Guenther <rguenther@suse.de>
6247 * c.opt (fsigned-char): Also let LTO handle this option.
6248 (funsigned-char): Likewise.
6250 2010-01-07 Richard Guenther <rguenther@suse.de>
6252 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6253 (gimple_op): Likewise.
6254 (gimple_op_ptr): Likewise.
6255 (gimple_assign_set_lhs): Remove gcc_assert.
6256 (gimple_assign_set_rhs1): Likewise.
6257 (gimple_assign_set_rhs2): Likewise.
6258 (gimple_call_set_lhs): Likewise.
6259 (gimple_call_set_fn): Likewise.
6260 (gimple_call_set_fndecl): Likewise.
6261 (gimple_call_fndecl): Likewise.
6262 (gimple_call_return_type): Likewise.
6263 (gimple_call_set_chain): Likewise.
6264 (gimple_call_num_args): Likewise.
6265 (gimple_call_set_arg): Likewise.
6266 (gimple_cond_set_code): Likewise.
6267 (gimple_cond_set_lhs): Likewise.
6268 (gimple_cond_set_rhs): Likewise.
6269 (gimple_cond_set_true_label): Likewise.
6270 (gimple_cond_set_false_label): Likewise.
6271 (gimple_label_set_label): Likewise.
6272 (gimple_goto_set_dest): Likewise.
6273 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6274 (gimple_debug_bind_get_value): Likewise.
6275 (gimple_debug_bind_get_value_ptr): Likewise.
6276 (gimple_debug_bind_set_var): Likewise.
6277 (gimple_debug_bind_set_value): Likewise.
6278 (gimple_debug_bind_reset_value): Likewise.
6279 (gimple_debug_bind_has_value_p): Likewise.
6280 (gimple_return_retval_ptr): Remove gcc_assert.
6281 (gimple_return_retval): Likewise.
6282 (gimple_return_set_retval): Likewise.
6283 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6284 (safe_referenced_var_iterator): Remove.
6285 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6286 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6287 (fill_referenced_var_vec): Remove.
6288 (first_readonly_imm_use): Remove redundant gcc_assert.
6289 (phi_arg_index_from_use): Combine gcc_asserts.
6290 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6291 (first_imm_use_stmt): Remove redundant gcc_assert.
6292 * tree-cfg.c (verify_gimple_call): Verify function and chain
6293 operands. Verify arguments.
6294 (verify_types_in_gimple_stmt): Verify condition code and labels.
6296 2010-01-07 Richard Guenther <rguenther@suse.de>
6298 PR tree-optimization/42641
6299 * sese.c (rename_map_elt_info): Use the SSA name version, do
6302 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6304 PR tree-optimization/42625
6305 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6306 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6308 2010-01-07 Duncan Sands <baldrick@free.fr>
6310 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6312 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6315 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6316 note itself is not function_invariant_p.
6318 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6320 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6321 Do not add the DF_NOTE problem.
6322 * store-motion.c (execute_rtl_store_motion): Likewise.
6324 2010-01-07 Martin Jambor <mjambor@suse.cz>
6326 PR tree-optimization/42157
6327 * tree-sra.c (compare_access_positions): Stabilize sort if both
6328 accesses have integer types, return zero immediately if they are the
6331 2010-01-06 Richard Henderson <rth@redhat.com>
6334 * haifa-sched.c (add_to_note_list): Merge into ...
6335 (concat_note_lists): ... here, and ...
6336 (unlink_other_notes, rm_other_notes): Merge into...
6337 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6338 NOTE_INSN_EPILOGUE_BEG.
6340 2010-01-06 Richard Guenther <rguenther@suse.de>
6342 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6343 not inline regular functions into always-inline functions.
6345 2010-01-06 Nick Clifton <nickc@redhat.com>
6347 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6348 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6350 (OVERRIDE_OPTIONS): Delete.
6351 (OPTIMIZATION_OPTIONS): Define.
6352 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6353 * config/rx/rx.c (rx_handle_option): Issue an error message if
6354 -mcpu=rx200 and -fpu are used together.
6355 (rx_set_optimization_options): New function. Issue an error
6356 message if an optimization attribute attempts to reset the FPU/
6357 math optimization pairing.
6358 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6359 * config/rx/rx.opt: Set the default to 32-bit doubles.
6360 * config/rx/t-rx: Add multilibs for -nofpu option.
6361 * doc/invoke.texi: Update documentation of RX options.
6363 2010-01-06 Richard Guenther <rguenther@suse.de>
6365 * tree-ssa-pre.c (name_to_id): New global.
6366 (alloc_expression_id): Simplify SSA name handling.
6367 (lookup_expression_id): Likewise.
6368 (init_pre): Zero name_to_id.
6369 (fini_pre): Free it.
6371 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6373 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6375 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6378 * config/i386/sse.md (smaxv2di3): New.
6379 (umaxv2di3): Likewise.
6380 (sminv2di3): Likewise.
6381 (uminv2di3): Likewise.
6383 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6386 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6387 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6388 (legitimize_tls_address): Likewise.
6389 (sparc_tls_referenced_p): Likewise.
6390 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6391 and adjust calls to legitimize_pic_address.
6392 (legitimate_constant_p) Use sparc_tls_referenced_p.
6393 (legitimate_pic_operand_p): Likewise.
6394 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6395 (sparc_tls_symbol_ref_1): Delete.
6396 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6397 (legitimize_tls_address): Make static, handle CONST patterns.
6398 (legitimize_pic_address): Make static, remove unused parameter and
6399 adjust recursive calls.
6400 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6401 and adjust call to legitimize_pic_address.
6402 (sparc_output_mi_thunk): Likewise.
6404 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6405 H.J. Lu <hongjiu.lu@intel.com>
6408 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6409 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6410 operands to make them signed.
6413 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6416 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6417 GTU to GT for V4SI and V2DI.
6419 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6420 (umin<mode>3): Removed.
6422 (uminv4si3): Likewise.
6424 2010-01-05 Martin Jambor <mjambor@suse.cz>
6426 PR tree-optimization/42462
6427 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6428 current_function_decl to helper functions and macros.
6430 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6433 * flags.h: Don't include real.h.
6434 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6435 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6436 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6437 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6438 * dominance.c: Update copyright.
6439 * gimple.c (walk_gimple_op): Remove inline.
6440 * tree-ssa-reassoc.c: Include real.h.
6441 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6442 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6444 2010-01-05 Nick Clifton <nickc@redhat.com>
6446 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6447 register to push into the stack frame when the accumulator has to
6448 be saved during interrupts.
6450 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6452 * doc/invoke.texi: Remove the documentation about option
6454 * common.opt (Wunreachable-code): Preserved for backward
6456 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6457 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6458 the backward compatibility flag section.
6460 2010-01-05 Richard Guenther <rguenther@suse.de>
6462 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6464 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6467 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6469 PR tree-optimization/42508
6470 * tree-sra.c (convert_callers): Check for recursive call
6471 by comparing cgraph nodes instead of decls.
6472 (modify_function): Call ipa_modify_formal_parameters also
6473 on all same_body aliases.
6475 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6476 cgraph nodes when checking for same_body aliases.
6478 2010-01-05 Richard Guenther <rguenther@suse.de>
6480 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6481 allocation and lookup.
6482 (get_or_alloc_expr_for_constant): Likewise.
6483 (phi_translate): Sink allocation.
6485 2010-01-04 Richard Guenther <rguenther@suse.de>
6487 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6488 a new entry only if needed.
6489 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6490 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6492 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6494 (phi_translate): Handle CONSTANTs early.
6496 2010-01-04 Martin Jambor <mjambor@suse.cz>
6498 PR tree-optimization/42398
6499 * tree-sra.c (struct access): Removed flag grp_different_types.
6500 (dump_access): Do not dump the removed flag.
6501 (sort_and_splice_var_accesses): Do not set the removed flag.
6502 (sra_modify_expr): Check for type compatibility directly.
6504 2010-01-04 Martin Jambor <mjambor@suse.cz>
6506 PR tree-optimization/42366
6507 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6508 edges with variable number of parameters.
6509 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6510 flag instead of asserting it.
6511 (ipa_read_node_info): Read uses_analysis_done flag.
6513 2010-01-04 Richard Guenther <rguenther@suse.de>
6515 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6516 iterative_hash_* as intended.
6517 (vn_reference_compute_hash): Likewise. Simplify hashing
6519 (vn_reference_lookup_2): Likewise.
6520 (vn_nary_op_compute_hash): Likewise.
6521 (vn_phi_compute_hash): Likewise.
6522 (expressions_equal_p): Remove strange code.
6523 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6524 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6525 (bitmap_insert_into_set_1): Take value-id as parameter.
6526 (add_to_value): Pass it.
6527 (bitmap_insert_into_set): Likewise.
6528 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6530 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6533 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6534 (do_self_spec): For switches with SWITCH_IGNORE set set also
6535 SWITCH_IGNORE_PERMANENTLY.
6536 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6539 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6541 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6542 tree of an unreferenced global var.
6544 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6547 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6548 GTU to GT for V4SI and V2DI.
6550 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6551 (umin<mode>3): Removed.
6553 (uminv4si3): Likewise.
6555 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6558 * collect2.c (main): Turn on trace in collect2 if -v is passed
6561 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6563 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6564 description of expression operand.
6566 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6568 * configure.ac: Add install-html to target_list for Make-hooks.
6569 * configure: Regenerate.
6570 * fortran/Make-lang.in (F95_HTMLFILES): New.
6571 (fortran.html): Use it.
6572 (fortran.install-html): New.
6573 * Makefile.in (install-html): Add lang.install-html.
6574 * java/Make-lang.in (JAVA_HTMLFILES): New.
6575 (java.html): Use it.
6576 (java.install-html): New.
6577 * objc/Make-lang.in (objc.install-html): New.
6578 * objcp/Make-lang.in (obj-c++.install-html): New.
6579 * cp/Make-lang.in (c++.install-html): New.
6580 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6581 * lto/Make-lang.in (lto.install-html): New.
6583 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6586 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6588 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6590 PR rtl-optimization/41862
6591 * store-motion.c (store_killed_in_insn, compute_store_table,
6592 remove_reachable_equiv_notes, replace_store_insn,
6593 build_store_vectors): Ignore all DEBUG_INSNs.
6595 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6598 * common.opt: Add dumpdir.
6600 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6602 (option_map): Add --dumpdir.
6604 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6606 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6608 * opts.c (decode_options): Try dump_dir_name first if
6609 dump_base_name isn't an absolute path.
6610 (common_handle_option): Handle OPT_dumpdir.
6612 * toplev.c (dump_dir_name): New.
6613 (print_switch_values): Also ignore -dumpdir.
6615 * toplev.h (dump_dir_name): New.
6617 2010-01-03 Richard Guenther <rguenther@suse.de>
6619 PR tree-optimization/42589
6620 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6621 double-word expansion of bswap32.
6623 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6625 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6626 with BLOCK_FOR_INSN.
6627 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6628 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6629 noce_process_if_block): Likewise.
6630 * gcse.c (compute_local_properties, insert_expr_in_table,
6631 insert_set_in_table, canon_list_insert, find_avail_set,
6632 pre_insert_copy_insn): Likewise.
6634 * basic-block.h (BLOCK_NUM): Move from here...
6635 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6637 2010-01-03 Richard Guenther <rguenther@suse.de>
6639 PR tree-optimization/42438
6640 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6641 contains_may_not_return_call flag.
6642 (BB_MAY_NOTRETURN): New.
6643 (valid_in_sets): Trapping nary operations are not valid
6644 in blocks that may not return.
6645 (insert_into_preds_of_block): Remove check for trapping expressions.
6646 (compute_avail): Compute also BB_MAY_NOTRETURN.
6648 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6650 * doc/invoke.texi: Add 2010 to copyright years.
6652 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6654 * config/sparc/sparc.c: Fix formatting nits.
6656 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6657 Alexander Monakov <amonakov@ispras.ru>
6659 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6661 2010-01-02 Richard Guenther <rguenther@suse.de>
6664 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6665 (simplify_switch_using_ranges): Mark to be removed edges
6668 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6670 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6672 * collect2.c (scan_libraries): Add missing argument in call to
6675 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6678 * config/alpha/predicates.md (aligned_memory_operand): Return false
6680 (unaligned_memory_operand): Return true for CQImode.
6681 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6682 doesn not cross aligned SImode word boundary.
6684 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6686 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6688 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6689 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6691 2010-01-02 Richard Guenther <rguenther@suse.de>
6694 * toplev.c (compile_file): Emit LTO marker properly. Change
6696 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6698 2010-01-01 Richard Guenther <rguenther@suse.de>
6701 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6703 2010-01-01 Richard Guenther <rguenther@suse.de>
6706 * c-decl.c (grokdeclarator): For zero-size arrays force
6707 structural equality checks as layout_type does.
6709 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6711 * builtins.c: Update copyright to 2010.
6713 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6716 * lto-streamer-out.c (produce_asm): Revert the last change.
6717 (copy_function): Likewise.
6719 * lto-streamer.c (lto_get_section_name): Skip any leading
6722 2010-01-01 Richard Guenther <rguenther@suse.de>
6725 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6729 Copyright (C) 2010 Free Software Foundation, Inc.
6731 Copying and distribution of this file, with or without modification,
6732 are permitted in any medium without royalty provided the copyright
6733 notice and this notice are preserved.