1 2010-04-19 James E. Wilson <wilson@codesourcery.com>
3 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
5 2010-04-19 Jan Hubicka <jh@suse.cz>
7 * opts.c (decode_options): Disable whpr incompatible passes.
8 * lto/lto.c (lto_1_to_1_map): Skip clones.
9 (read_cgraph_and_symbols): Do not mark everything as needed.
10 (do_whole_program_analysis): Do map only after optimizing;
11 set proper cgraph_state; use passmanager.
13 2010-04-19 DJ Delorie <dj@redhat.com>
15 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
16 POINTER_PLUS_EXPR and fix them.
18 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
20 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
21 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
22 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
23 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
24 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
25 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
26 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
27 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
28 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
29 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
30 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
32 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
34 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
35 (check_cond_move_block): Likewise.
36 (cond_move_process_if_block): Likewise.
37 (noce_find_if_block): Improve formatting.
38 (find_if_header): Pass 0 to memset and tweak conditions.
39 (cond_exec_find_if_block): Fix long lines and tweak conditions.
41 2010-04-19 Jakub Jelinek <jakub@redhat.com>
43 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
47 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
48 with non-local decl doesn't need chain.
50 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
52 * ira-color.c (allocno_reload_assign): Avoid accumulating
53 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
55 2010-04-19 Martin Jambor <mjambor@suse.cz>
57 * gimple.h (create_tmp_reg): Declare.
58 * gimplify.c (create_tmp_reg): New function.
59 (gimplify_return_expr): Use create_tmp_reg.
60 (gimplify_omp_atomic): Likewise.
61 (gimple_regimplify_operands): Likewise.
62 * tree-dfa.c (make_rename_temp): Likewise.
63 * tree-predcom.c (predcom_tmp_var): Likewise.
64 (reassociate_to_the_same_stmt): Likewise.
65 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
66 (get_replaced_param_substitute): Likewise.
67 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
68 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
69 * tree-ssa-pre.c (get_representative_for): Likewise.
70 (create_expression_by_pieces): Likewise.
71 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
72 (create_tailcall_accumulator): Likewise.
74 2010-04-19 Martin Jambor <mjambor@suse.cz>
76 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
78 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
80 2010-04-19 Richard Guenther <rguenther@suse.de>
82 PR tree-optimization/43796
83 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
84 from SCEV in the lattice.
85 (vrp_visit_phi_node): Dump change.
87 2010-04-19 Richard Guenther <rguenther@suse.de>
89 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
90 * configure: Re-generated.
92 2010-04-19 Richard Guenther <rguenther@suse.de>
94 PR tree-optimization/43783
95 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
96 constant ARRAY_REF operands two and three if possible.
98 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
101 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
103 2010-04-19 Jie Zhang <jie@codesourcery.com>
106 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
108 2010-04-19 Ira Rosen <irar@il.ibm.com>
110 PR tree-optimization/37027
111 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
112 and macro to access it.
113 (vectorizable_reduction): Add argument.
114 (vect_get_slp_defs): Likewise.
115 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
116 statements for possible use in SLP.
117 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
118 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
119 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
121 (vectorizable_reduction): Likewise.
122 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
124 (vectorizable_type_demotion, vectorizable_type_promotion,
125 vectorizable_store): Likewise.
126 (vect_analyze_stmt): Update call to vectorizable_reduction.
127 (vect_transform_stmt): Likewise.
128 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
129 (vect_build_slp_tree): Fix indentation. Check that there are no loads
130 from different interleaving chains in same node.
131 (vect_slp_rearrange_stmts): New function.
132 (vect_supported_load_permutation_p): Allow load permutations for
133 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
134 inside SLP nodes if necessary.
135 (vect_analyze_slp_instance): Handle reductions.
136 (vect_analyze_slp): Try to build SLP instances originating from groups
138 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
139 (vect_get_constant_vectors): Create initial vectors for reductions
140 according to reduction code. Add new argument.
141 (vect_get_slp_defs): Add new argument, pass it to
142 vect_get_constant_vectors.
143 (vect_schedule_slp_instance): Remove SLP tree root statements.
145 2010-04-19 Jakub Jelinek <jakub@redhat.com>
147 * tree.h (ENUM_IS_SCOPED): Define.
148 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
149 for ENUM_IS_SCOPED enums.
151 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
153 * fold-const.c (fold_comparison): Use ssizetype.
154 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
155 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
156 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
157 * tree-object-size.c (compute_object_sizes): Use size_type_node.
159 * tree.h (initialize_sizetypes): Remove parameter.
160 (build_common_tree_nodes): Remove second parameter.
161 * stor-layout.c (initialize_sizetypes): Remove parameter.
162 Always create an unsigned type.
163 (set_sizetype): Assert that the passed type is unsigned and simplify.
164 * tree.c (build_common_tree_nodes): Remove second parameter.
165 Adjust call to initialize_sizetypes.
166 * c-decl.c (c_init_decl_processing): Remove second argument in call to
167 build_common_tree_nodes.
169 2010-04-18 Matthias Klose <doko@ubuntu.com>
171 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
173 2010-04-18 Ira Rosen <irar@il.ibm.com>
175 PR tree-optimization/43771
176 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
177 load permutation doesn't have gaps.
179 2010-04-18 Jan Hubicka <jh@suse.cz>
181 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
182 (sse_prologue_save_insn expander): Use new pattern.
183 (sse_prologue_save_insn1): New pattern and splitter.
184 (sse_prologue_save_insn): Update to deal also with 64bit aligned
186 * i386.c (setup_incoming_varargs_64): Do not compute jump
188 (ix86_gimplify_va_arg): Update alignment needed.
189 (ix86_local_alignment): Do not align all local arrays to 128bit.
191 2010-04-17 Jan Hubicka <jh@suse.cz>
193 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
195 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
197 * arm.md (negdi2): Remove redundant code to force values into a
200 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
202 * arm/bpabi.S: Add EABI alignment attributes to objects.
203 * arm/bpabi-v6m.S: Likewise.
204 * arm/crti.asm: Likewise.
205 * arm/crtn.asm: Likewise.
206 * arm/lib1funcs.asm: Likewise.
207 * arm/libunwind.S: Likewise.
209 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
211 * arm-protos.h (tune_params): New structure.
212 * arm.c (current_tune): New variable.
213 (arm_constant_limit): Delete.
214 (struct processors): Add pointer to the tune parameters.
215 (arm_slowmul_tune): New tuning option.
216 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
217 (all_cores): Adjust to pick up the tuning model.
218 (arm_constant_limit): New function.
219 (arm_override_options): Select the appropriate tuning model. Delete
220 initialization of arm_const_limit.
221 (arm_split_constant): Use the new constant-limit model.
222 (arm_rtx_costs): Pick up the current tuning model.
223 * arm.md (is_strongarm, is_xscale): Delete.
224 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
225 for Xscale variant architectures.
226 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
228 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
230 * config/arm/arm.c (arm_gen_constant): Remove unused variable
232 (arm_rtx_costs_1): Remove unused variable extra_cost.
233 (arm_unwind_emit_set): Use variable offset.
234 (thumb1_output_casesi): Remove unused variable flags.
236 2010-04-16 Jeff Law <law@redhat.com>
238 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
239 needing assignment rather than doing a two-phase assignment. Remove
242 2010-04-16 Jakub Jelinek <jakub@redhat.com>
245 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
247 2010-04-16 Doug Kwan <dougkwan@google.com>
249 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
250 (next_operand_entry_id): New static variable.
251 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
252 (add_to_ops_vec): Assigned unique ID to operand entry.
253 (struct oecount_s): New field ID.
254 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
255 (undistribute_ops_list): Assign unique IDs to oecounts.
256 (init_reassoc): reset next_operand_entry_id.
258 2010-04-16 Doug Kwan <dougkwan@google.com>
260 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
261 missing left parenthesis.
263 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
265 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
266 *btdi_rex64 using SWI48 mode iterator.
267 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
268 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
269 *jcc_btdi_mask_rex64.
271 2010-04-16 Anatoly Sokolov <aesok@post.ru>
273 * double-int.h (tree_to_double_int): Convert to macro.
274 * double-int.c (tree_to_double_int): Remove.
276 2010-04-16 Jakub Jelinek <jakub@redhat.com>
279 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
280 with want_address 2 and in case a single element list might be
281 possible, call it again with want_address 0.
283 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
285 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
286 case 'W' print operands for HI mode.
287 * config/h8300/h8300.h (Y0, Y2) : New constraints.
288 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
289 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
290 * config/h8300/predicate.md (bit_register_indirect_operand): New.
292 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
294 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
295 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
296 #xx:3 and #xx:4 mode.
298 * config/h8300/h8300.md (inverted load with HImode dest): Add
301 * config/h8300/predicate.md (bit_operand): Allow immediate values that
302 satisfy 'U' constraint.
304 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
306 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
308 * configure: Regenerate.
309 * config.in: Regenerate.
310 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
313 2010-04-16 Richard Guenther <rguenther@suse.de>
315 * tree.h (struct tree_decl_minimal): Move pt_uid ...
316 (struct tree_decl_common): ... here.
317 (DECL_PT_UID): Adjust.
318 (SET_DECL_PT_UID): Likewise.
319 (DECL_PT_UID_SET_P): Likewise.
321 2010-04-16 Richard Guenther <rguenther@suse.de>
323 PR tree-optimization/43572
324 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
325 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
326 * tree-flow.h (is_call_clobbered): Remove.
327 * tree-flow-inline.h (is_call_clobbered): Likewise.
328 * tree-dfa.c (dump_variable): Do not dump call clobber state.
329 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
330 (execute_return_slot_opt): Adjust.
331 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
332 check for call clobbered vars here.
333 (find_tail_calls): Move tailcall verification to the
336 2010-04-16 Diego Novillo <dnovillo@google.com>
338 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
341 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
344 * config/arm/arm.md (cbranchqi4): New pattern.
345 * config/arm/predicates.md (const0_operand,
346 cbranchqi4_comparison_operator): New predicates.
348 2010-04-16 Richard Guenther <rguenther@suse.de>
350 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
351 (dump_gimple_stmt): Likewise.
353 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
355 * recog.h (struct recog_data): New field is_operator.
356 (struct insn_operand_data): New field is_operator.
357 * recog.c (extract_insn): Set recog_data.is_operator.
358 * genoutput.c (output_operand_data): Emit code to set the
360 * reload.c (find_reloads): Use it rather than testing for an
361 empty constraint string.
364 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
365 If the previous insn is a cbranchsi4_insn with the same arguments,
366 omit the compare instruction.
368 * config/arm/arm.md (addsi3_cbranch): If destination is a high
369 register, inputs must be low registers and we need a low register
370 scratch. Handle alternative 2 like alternative 3.
372 2010-04-16 Jakub Jelinek <jakub@redhat.com>
374 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
375 don't call get_addr on both. If one expression is a VALUE and
376 the other a REG, check VALUE's locs if the REG isn't among them.
378 2010-04-16 Christian Bruel <christian.bruel@st.com>
380 * config/sh/sh.h (sh_frame_pointer_required): New function.
381 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
382 (flag_omit_frame_pointer) Set.
383 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
384 (rounded_frame_size): Adjust size with outgoing_args_size.
385 (sh_set_return_address): Must return from stack pointer.
386 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
387 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
388 (ACCUMULATE_OUTGOING_ARGS): Define.
389 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
390 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
392 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
395 * config/sh/sh.c (sh_legitimize_reload_address): Use
396 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
397 Remove a unneeded check for offset_base.
399 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
401 * configure: Regenerated.
403 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
405 * config/s390/s390.c (s390_call_save_register_used): Switch back
408 2010-04-15 Richard Guenther <rguenther@suse.de>
410 * alias.c (alias_set_subset_of): Handle alias-set zero
413 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
414 Julian Brown <julian@codesourcery.com>
416 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
417 alternatives according to use of high and low regs.
418 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
419 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
420 optimizing for size on Thumb-2.
422 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
424 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
426 2010-04-15 Richard Guenther <rguenther@suse.de>
428 * tree-ssa-structalias.c (struct variable_info): Add
430 (new_var_info): Initialize it.
431 (dump_constraints): Support printing last added constraints.
432 (debug_constraints): Adjust.
433 (dump_constraint_graph): Likewise.
434 (make_heapvar_for): Check for NULL cfun.
435 (get_function_part_constraint): New function.
436 (get_fi_for_callee): Likewise.
437 (find_func_aliases): Properly implement IPA PTA constraints.
438 (process_ipa_clobber): New function.
439 (find_func_clobbers): Likewise.
440 (insert_into_field_list_sorted): Remove.
441 (create_function_info_for): Properly allocate vars for IPA mode.
442 Do not use insert_into_field_list_sorted.
443 (create_variable_info_for): Properly generate constraints for
444 global vars in IPA mode.
445 (dump_solution_for_var): Always dump the solution.
446 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
447 (find_what_var_points_to): Adjust.
448 (pt_solution_set): Change.
449 (pt_solution_ior_into): New function.
450 (pt_solution_empty_p): Export.
451 (pt_solution_includes_global): Adjust.
452 (pt_solution_includes_1): Likewise.
453 (pt_solutions_intersect_1): Likewise.
454 (dump_sa_points_to_info): Check some invariants.
455 (solve_constraints): Move constraint dumping ...
456 (compute_points_to_sets): ... here.
457 (ipa_pta_execute): ... and here.
458 (compute_may_aliases): Do not re-compute points-to info
459 locally if IPA info is available.
460 (ipa_escaped_pt): New global var.
461 (ipa_pta_execute): Properly implement IPA PTA.
462 * tree-into-ssa.c (dump_decl_set): Support dumping
463 decls not in referenced-vars.
464 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
465 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
466 (dump_points_to_solution): Likewise.
467 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
468 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
469 (remap_gimple_stmt): Reset call clobber/use information if
471 (copy_decl_to_var): Copy DECL_PT_UID.
472 (copy_result_decl_to_var): Likewise.
473 * tree.c (make_node_stat): Initialize DECL_PT_UID.
474 (copy_node_stat): Copy it.
475 * tree.h (DECL_PT_UID): New macro.
476 (SET_DECL_PT_UID): Likewise.
477 (DECL_PT_UID_SET_P): Likewise.
478 (struct tree_decl_minimal): Add pt_uid member.
479 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
480 (pt_solution_empty_p): Declare.
481 (pt_solution_set): Adjust.
482 (ipa_escaped_pt): Declare.
483 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
484 * gimple-pretty-print.c (pp_points_to_solution): New function.
485 (dump_gimple_call): Dump call clobber/use information.
486 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
487 * tree-pass.h (TDF_ALIAS): New dump option.
488 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
489 * doc/invoke.texi (-fipa-pta): Update documentation.
491 2010-04-15 Richard Guenther <rguenther@suse.de>
493 * Makefile.in (OBJS-common): Add gimple-fold.o.
494 (gimple-fold.o): New rule.
495 * tree.h (maybe_fold_offset_to_reference,
496 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
498 * gimple.h: ... here.
499 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
500 may_propagate_address_into_dereference): Move prototypes ...
501 * gimple.h: ... here.
502 * tree-ssa-ccp.c (get_symbol_constant_value,
503 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
504 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
505 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
506 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
507 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
508 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
509 gimplify_and_update_call_from_tree): Move ...
510 * gimple-fold.c: ... here. New file.
511 (ccp_fold_builtin): Rename to ...
512 (gimple_fold_builtin): ... this.
513 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
515 2010-04-15 Richard Guenther <rguenther@suse.de>
517 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
518 fit_double_type, force_fit_type_double, add_double_with_sign,
519 neg_double, mul_double_with_sign, lshift_double, rshift_double,
520 lrotate_double, rrotate_double, div_and_round_double): Move ...
521 * double-int.c: ... here.
522 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
523 add_double, neg_double, mul_double_with_sign, mul_double,
524 lshift_double, rshift_double, lrotate_double, rrotate_double,
525 div_and_round_double): Move prototypes ...
526 * double-int.h: ... here.
528 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
531 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
532 matching constraints to ensure inputs match the output.
534 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
537 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
538 in an input-only operand.
540 2010-04-15 Anatoly Sokolov <aesok@post.ru>
542 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
543 (double_int_not, double_int_lshift, double_int_rshift): Declare.
544 (double_int_negative_p): Convert to static inline function.
545 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
546 (double_int_negative_p): Remove.
547 * tree.h (lshift_double, rshift_double):
548 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
549 * fold-const.c (fold_convert_const_int_from_real,
550 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
551 (lshift_double): Change type of arith argument to bool.
552 (rshift_double): Change type of arith argument to bool. Correct
554 * expmed.c (mask_rtx, lshift_value): (Ditto.).
556 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
559 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
560 at the start and end of the then/else blocks, and omit them from the
562 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
563 argument; all callers changed. Pass zero to old_insns_match_p instead.
564 (flow_find_head_matching_sequence): New function.
565 (old_insns_match_p): Check REG_EH_REGION notes for calls.
566 * basic-block.h (flow_find_cross_jump,
567 flow_find_head_matching_sequence): Declare functions.
569 2010-04-14 Jason Merrill <jason@redhat.com>
572 * c-common.c (attribute_takes_identifier_p): New fn.
573 * c-common.h: Declare it.
575 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
577 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
579 (*udivmod<mode>4): Ditto.
581 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
583 * config/i386/i386.md (maxmin_int): Rename code attribute from
584 maxminiprefix and update all users.
585 (maxmin_float): Ditto from maxminfprefix.
586 (logic): Ditto from logicprefix.
587 (absneg_mnemonic): Ditto from absnegprefix.
588 * config/i386/mmx.md: Update all users of maxminiprefix,
589 maxminfprefix and logicprefix for rename.
590 * config/i386/sse.md: Ditto.
591 * config/i386/sync.md (sync_<code><mode>): Update for
594 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
597 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
598 warnings converted to errors.
600 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
602 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
603 used insn_type variable.
604 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
605 to avoid set-but-not-used warning.
607 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
609 * df-core.c (df_ref_debug): Change format string placeholder
611 * dwarf2asm.c (dw2_asm_output_data_raw,
612 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
613 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
614 * dwarf2out.c (output_cfi, output_cfi_directive,
615 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
616 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
618 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
619 * print-rtl.c (print_rtx): Ditto.
621 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
624 * builtins.c (expand_builtin_pow_root): New function to expand pow
625 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
626 series of sqrt and cbrt calls under -ffast-math.
627 (expand_builtin_pow): Call it.
629 2010-04-14 Michael Matz <matz@suse.de>
631 PR tree-optimization/42963
632 * tree-cfg.c (touched_switch_bbs): New static variable.
633 (group_case_labels_stmt): New function broken out from ...
634 (group_case_labels): ... here, use the above.
635 (start_recording_case_labels): Allocate touched_switch_bbs.
636 (end_recording_case_labels): Deallocate it, call
637 group_case_labels_stmt.
638 (gimple_redirect_edge_and_branch): Remember index of affected BB.
640 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
642 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
645 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
647 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
649 2010-04-13 Jan Hubicka <jh@suse.cz>
651 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
652 of optimized out static functions.
653 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
654 cost computation. Also sanity check for overflows.
655 (update_caller_keys): Update cgraph_edge_badness call; properly
656 update fibheap and sanity check that it is up to date.
657 (add_new_edges_to_heap): Update cgraph_edge_badness.
658 (cgraph_decide_inlining_of_small_function): Likewise;
659 add sanity checking that badness in heap is up to date;
660 improve dumping of reason; Update badness of calls to the
661 offline copy of function currently inlined; dump badness
662 of functions not inlined because of unit growth limits.
664 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
667 * c-common.c (pointer_int_sum): Disregard overflow that occured only
668 because of sign-extension change when converting to sizetype here...
669 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
671 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
672 the folding to constants. Remove redundant final conversion.
673 (fold_binary) <associate>: Do not associate if the re-association of
674 constants alone overflows.
675 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
676 to the end of the list.
677 (multiple_of_p) <COND_EXPR>: New case.
679 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
681 * opt-functions.awk (opt_sanitized_name): New.
683 * optc-gen.awk: Use it
684 * opth-gen.awk: Use it.
686 2010-04-13 Martin Jambor <mjambor@suse.cz>
688 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
689 (sra_modify_assign): Delete stmts loading dead data even if racc has no
690 children. Call replace_uses_with_default_def_ssa_name to handle
693 2010-04-13 Michael Matz <matz@suse.de>
696 * builtins.c (expand_builtin_interclass_mathfn): Also create
697 a register if the predicate doesn't match.
699 2010-04-13 Diego Novillo <dnovillo@google.com>
701 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
702 * c-pch.c: Include timevar.h.
703 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
704 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
705 * ggc-common.c: Include timevar.h.
706 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
707 * timevar.def (TV_PCH_SAVE): Define.
708 (TV_PCH_CPP_SAVE): Define.
709 (TV_PCH_PTR_REALLOC): Define.
710 (TV_PCH_PTR_SORT): Define.
711 (TV_PCH_RESTORE): Define.
712 (TV_PCH_CPP_RESTORE): Define.
714 2010-04-13 Michael Matz <matz@suse.de>
716 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
718 (can_reassociate_p): New function.
719 (break_up_subtract_bb, reassociate_bb): Use it.
721 2010-04-13 Richard Guenther <rguenther@suse.de>
724 * builtins.c (c_readstr): Fix assert.
726 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
728 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
729 when generating cltd insn.
731 (*ashl<mode>3_1): Remove special handling for register operand 2.
732 (*ashlsi3_1_zext): Ditto.
734 (*ashlhi3_1_lea): Ditto.
736 (*ashlqi3_1_lea): Ditto.
737 (*<shiftrt_insn><mode>3_1): Ditto.
738 (*<shiftrt_insn>si3_1_zext): Ditto.
739 (*<shiftrt_insn>qi3_1_slp): Ditto.
740 (*<rotate_insn><mode>3_1): Ditto.
741 (*<rotate_insn>si3_1_zext): Ditto.
742 (*<rotate_insn>qi3_1_slp): Ditto.
744 2010-04-13 Richard Guenther <rguenther@suse.de>
746 * tree-ssa-structalias.c (callused_id): Remove.
747 (call_stmt_vars): New.
748 (get_call_vi): Likewise.
749 (lookup_call_use_vi): Likewise.
750 (lookup_call_clobber_vi): Likewise.
751 (get_call_use_vi): Likewise.
752 (get_call_clobber_vi): Likewise.
753 (make_transitive_closure_constraints): Likewise.
754 (handle_const_call): Adjust to do per-call call-used handling.
755 (handle_pure_call): Likewise.
756 (find_what_var_points_to): Remove general callused handling.
757 (init_base_vars): Likewise.
758 (init_alias_vars): Initialize call_stmt_vars.
759 (compute_points_to_sets): Process call-used and call-clobbered
760 vars for call statements.
761 (delete_points_to_sets): Free call_stmt_vars.
763 2010-04-13 Richard Guenther <rguenther@suse.de>
765 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
766 Only add RW dependence for dependence distance zero.
767 Adjust maximal vectorization factor according to dependences.
768 Move alignment handling ...
769 (vect_find_same_alignment_drs): ... here. New function.
770 (vect_analyze_data_ref_dependences): Adjust.
771 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
772 (vect_analyze_data_refs): Adjust minimal vectorization factor
773 according to data references.
774 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
775 dependences before determining the vectorization factor.
776 Analyze alignment after determining the vectorization factor.
777 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
778 dependences before alignment.
779 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
781 (vect_analyze_data_refs): Likewise.
782 (MAX_VECTORIZATION_FACTOR): New define.
784 2010-04-13 Duncan Sands <baldrick@free.fr>
786 * except.h (lang_eh_type_covers): Remove.
787 * except.c (lang_eh_type_covers): Likewise.
789 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
790 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
792 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
793 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
794 UNITS_PER_LONG where it is ABI relevant.
795 (s390_return_addr_rtx): Likewise.
796 (s390_back_chain_rtx): Likewise.
797 (s390_frame_area): Likewise.
798 (s390_frame_info): Likewise.
799 (s390_initial_elimination_offset): Likewise.
800 (save_gprs): Likewise.
801 (s390_emit_prologue): Likewise.
802 (s390_emit_epilogue): Likewise.
803 (s390_function_arg_advance): Likewise.
804 (s390_function_arg): Likewise.
805 (s390_va_start): Likewise.
806 (s390_gimplify_va_arg): Likewise.
807 (s390_function_profiler): Likewise.
808 (s390_optimize_prologue): Likewise.
809 (s390_rtx_costs): Likewise.
810 (s390_secondary_reload): Likewise.
811 (s390_promote_function_mode): Likewise.
812 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
813 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
815 (s390_unwind_word_mode): New function.
816 (s390_function_value): Split 64 bit values into register pair if
817 used as return value.
818 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
819 function call parameters. Handle parallels.
820 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
821 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
822 (DWARF_CIE_DATA_ALIGNMENT): New macro.
823 (s390_expand_setmem): Remove unused variable src_addr.
824 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
825 deal with 64 bit registers.
826 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
827 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
828 (UNITS_PER_LONG): New macro.
829 * libjava/include/s390-signal.h: Define extended ucontext
830 structure containing the upper halfs of the 64 bit registers.
832 2010-04-13 Simon Baldwin <simonb@google.com>
834 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
836 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
838 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
839 rvalue on the RHS if the LHS is of a non-renamable type.
840 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
842 2010-04-13 Matthias Klose <doko@ubuntu.com>
844 * gcc.c (cc1_options): Handle -iplugindir before processing
845 the cc1 spec. Only add -iplugindir once.
846 (cpp_unique_options): Add -iplugindir option if -fplugin* options
848 * common.opt (iplugindir): Remove `Separate' property, initialize.
849 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
851 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
852 (distclean): Remove plugin dir.
853 * doc/invoke.texi: Document -iplugindir.
855 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
857 * doc/plugins.texi (Loading Plugins): Document short
859 (Plugin API): Mention default_plugin_dir_name function.
861 * gcc.c (find_file_spec_function): Add new declaration.
862 (static_spec_func): Use it for "find-file".
863 (find_file_spec_function): Add new function.
864 (cc1_options): Add -iplugindir option if -fplugin* options found.
866 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
868 * plugin.c (add_new_plugin): Updated comment, and handle short
870 (default_plugin_dir_name): Added new function.
872 * common.opt (iplugindir): New option to set the plugin directory.
874 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
876 * config/i386/i386.md (any_rotate): New code iterator.
877 (rotate_insn): New code attribute.
879 (SWIM124): New mode iterator.
880 (<rotate_insn>ti3): New expander.
881 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
882 any_rotate code iterator.
883 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
884 using any_rotate code iterator and SWIM124 mode iterator.
885 (ix86_rotlti3): New insn_and_split pattern.
886 (ix86_rotrti3): Ditto.
887 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
888 ix86_rotl{di,ti}3 patterns.
889 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
890 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
891 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
892 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
893 code iterator and SWI mode iterator.
894 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
895 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
897 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
898 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
899 (bswap rotatert splitter): Add splitter.
900 (bswap splitter): Macroize splitter using any_rotate code iterator.
901 Add insn predicate to split only for TARGET_USE_XCHGB or when
902 optimizing function for size.
904 2010-04-12 Steve Ellcey <sje@cup.hp.com>
906 * config/pa/pa.c (emit_move_sequence): Remove use of
907 deleted variable flag_argument_noalias.
909 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
911 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
913 Add to unsupported targets list.
914 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
915 sparc*-sun-solaris2.[567]* from target lists.
916 * configure: Regenerate.
917 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
919 Remove Solaris 7 patch references.
920 (Specific, sparc-sun-solaris2.7): Removed.
921 (sparc-sun-solaris2*): Update Solaris 7 example.
922 (sparc64-*-solaris2*): Likewise.
924 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
926 * config.build (alpha*-dec-osf4*): Remove.
927 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
928 of obsolete configurations.
929 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
931 * config/alpha/t-osf4: Renamed to ...
932 * config/alpha/t-osf5: ... this.
933 * config/alpha/osf.h: Renamed to ...
934 * config/alpha/osf5.h: ... this.
935 Merged old osf5.h contents.
937 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
938 (EXTRA_SPECS): Removed.
939 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
940 reflect removal of Tru64 UNIX V4.0/V5.0 support.
943 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
945 * doc/contrib.texi (Contributors, Rainer Orth): Update.
947 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
950 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
951 __thiscall convention.
953 2010-04-12 Steve Ellcey <sje@cup.hp.com>
955 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
957 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
959 2010-04-12 Steve Ellcey <sje@cup.hp.com>
961 * function.c (assign_parms_initialize_all): Add unused attribute
964 2010-04-12 Richard Guenther <rguenther@suse.de>
966 * gsstruct.def (GSS_CALL): New.
967 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
968 * gimple.h: Include tree-ssa-alias.h.
969 (struct gimple_statement_call): New.
970 (union gimple_statement_struct_d): Add gimple_call member.
971 (gimple_call_reset_alias_info): Declare.
972 (gimple_call_use_set): New function.
973 (gimple_call_clobber_set): Likewise.
974 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
975 * gimple.c (gimple_call_reset_alias_info): New function.
976 (gimple_build_call_1): Call it.
977 * lto-streamer-in.c (input_gimple_stmt): Likewise.
978 * tree-inline.c (remap_gimple_stmt): Likewise.
979 (expand_call_inline): Remove callused handling.
980 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
981 * tree-dfa.c (dump_variable): Likewise.
982 * tree-parloops.c (parallelize_loops): Likewise.
983 * tree-ssa.c (init_tree_ssa): Likewise.
984 (delete_tree_ssa): Likewise.
985 * tree-flow-inline.h (is_call_used): Remove.
986 * tree-flow.h (struct gimple_df): Remove callused member.
987 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
988 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
989 (ref_maybe_used_by_call_p_1): Simplify.
990 (call_may_clobber_ref_p_1): Likewise.
991 * tree-ssa-structalias.c (compute_points_to_sets): Set
992 the call stmt used and clobbered sets.
993 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
994 (find_tail_calls): Verify the tail call.
996 2010-04-12 Richard Guenther <rguenther@suse.de>
998 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
999 single-iteration always-inline inlining.
1000 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1001 (cgraph_decide_inlining): Do not handle always-inline specially.
1002 (try_inline): Remove always-inline cycle detection special case.
1003 Do not recurse on always-inlines.
1004 (cgraph_early_inlining): Do not iterate if not optimizing.
1005 (cgraph_gate_early_inlining): remove.
1006 (pass_early_inline): Run unconditionally.
1007 (gate_cgraph_decide_inlining): New function.
1008 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1009 not inlining or optimizing.
1010 (cgraph_decide_inlining_of_small_functions): Also consider
1011 always-inline functions.
1012 (cgraph_default_inline_p): Return true for nodes which should
1013 disregard inline limits.
1014 (estimate_function_body_sizes): Assume zero size and time for
1015 nodes which are marked as disregarding inline limits.
1016 (cgraph_decide_recursive_inlining): Do not perform recursive
1017 inlining on always-inline nodes.
1019 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1022 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1023 for exprs satisfying handled_component_p.
1025 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1027 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1028 non-constant aggregate elements.
1030 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1031 is a real initialization.
1033 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1036 * c-decl.c (start_function): Move forward check for nested function.
1038 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1040 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1041 * config/sh/sh.c: Include reload.h.
1042 (sh_legitimize_reload_address): New.
1043 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1044 sh_legitimize_reload_address.
1046 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1048 * config/sh/sh.md (*movqi_pop): New insn pattern.
1049 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1051 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1053 * config/i386/i386.md (any_shiftrt): New code iterator.
1054 (shiftrt_insn): New code attribute.
1056 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1057 using any_shiftrt code iterator.
1058 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1059 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1060 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1061 pattern from corresponding peephole2 patterns.
1062 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1063 using any_shiftrt code iterator.
1064 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1065 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1066 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1067 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1068 *{ashr,lshr}<mode>3_cmp_zext.
1069 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1071 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1073 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1075 (*lshr<mode>3_cconly): Ditto.
1077 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1079 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1080 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1081 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1082 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1084 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1085 from corresponding peephole2 patterns.
1086 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1087 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1088 and *lshrdi3_1_rex64 using SWI mode iterator.
1089 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1090 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1091 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1092 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1093 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1094 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1095 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1096 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1097 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1100 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1102 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1103 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1104 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1105 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1107 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1108 from corresponding peephole2 patterns.
1109 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1110 (ashrsi3_cvt): Rename from ashrsi3_31.
1111 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1112 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1113 and x86_64_shift_adj_3 using SWI48 mode iterator.
1114 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1115 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1116 and *ashrdi3_1_rex64 using SWI mode iterator.
1117 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1118 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1119 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1120 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1121 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1122 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1123 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1124 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1125 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1127 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1128 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1129 x86_shift<mode>_adj_3 expanders.
1131 2010-04-10 Wei Guozhi <carrot@google.com>
1134 * config/arm/arm.c (arm_pic_static_addr): New function.
1135 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1137 (arm_output_addr_const_extra): Output expression for new pattern.
1138 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1140 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1142 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1145 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1146 * web.c: Include "insn-config.h" and "recog.h".
1147 (union_match_dups): New function.
1148 (web_main): Call it.
1149 (union_defs): Don't try to recognize match_dups.
1151 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1152 if doing so would replace the entire pattern.
1154 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1158 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1159 and splitter pattern. Change splitter operand 1 predicate to
1162 2010-04-09 Martin Jambor <mjambor@suse.cz>
1164 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1165 lattices are addresses of CONST_DECLs with the same initial value.
1166 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1167 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1169 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1170 Bernd Schmidt <bernds@codesourcery.com>
1172 * loop-invariant.c (replace_uses): New static function.
1173 (move_invariant_reg): Use it to ensure we can replace the uses.
1175 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1177 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1179 (picochip_override_options): Enable section anchors only above -O1.
1180 (picochip_reorg): Fixed a couple of build warnings.
1182 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1184 * configure.ac (plugin -rdynamic test): Log result.
1185 * configure: Regenerate.
1186 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1187 (RDYNAMIC_SPEC): Define.
1188 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1190 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1192 * configure.ac: Determine Sun ld version numbers.
1193 (comdat_group): Restrict GNU ld version checks to gld.
1194 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1195 (enable_comdat): Support --enable-comdat.
1196 * configure: Regenerate.
1197 * doc/install.texi (Configuration): Document --enable-comdat.
1199 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1201 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1202 * config/sol2-gld.h: ... here.
1203 * config.gcc (sparc*-*-solaris2*): Reflect this.
1204 (i[34567]86-*-solaris2*): Use it.
1206 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1208 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1210 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1212 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1215 * diagnostic.c (diagnostic_initialize): Initialize
1216 some_warnings_are_errors.
1217 (diagnostic_finish): New.
1218 (diagnostic_action_after_output): Call it before exiting.
1219 (diagnostic_report_diagnostic): Do not print message here. Set
1220 some_warnings_are_errors.
1221 * diagnostic.h (diagnostic_context): Delete
1222 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1223 (diagnostic_finish): Declare.
1224 * toplev.c (toplev_main): Call it before exit.
1226 2010-04-09 Jason Merrill <jason@redhat.com>
1229 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1230 for incomplete type.
1233 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1234 based on a warning flag.
1236 2010-04-09 Richard Guenther <rguenther@suse.de>
1238 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1240 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1243 * varasm.c (default_assemble_visibility): Wrap vars that are
1244 set, but unused, by targets without GAS.
1245 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1246 Remove set, but unused, vars.
1247 (rs6000_legitimize_tls_address): Likewise.
1248 (altivec_expand_dst_builtin): Likewise.
1249 * config/darwin.c (machopic_classify_symbol): Likewise.
1250 (machopic_indirection_name): Likewise.
1252 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1254 * config/i386/i386.md (DWI): New mode iterator.
1255 (S): New mode attribute.
1256 (shift_operand): Ditto.
1257 (shift_immediate_operand): Ditto.
1258 (ashl_input_operand): Ditto.
1259 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1260 using SDWIM mode iterator.
1261 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1262 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1264 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1265 from corresponding peephole2 patterns.
1266 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1267 and x86_64_shift_adj_1 using SWI48 mode iterator.
1268 (x86_shift<mode>_adj_2): Ditto.
1269 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1270 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1271 using SWI48 mode iterator.
1272 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1273 *ashldi3_cmp_rex64 using SWI mode iterator.
1274 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1275 *ashldi3_cconly_rex64 using SWI mode iterator.
1276 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1277 x86_shift<mode>_adj_{1,2}.
1278 (ix86_split_ashr): Ditto.
1279 (ix86_split_lshr): Ditto.
1281 2010-04-09 Richard Guenther <rguenther@suse.de>
1283 * target.h (builtin_conversion): Pass in input and output types.
1284 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1285 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1286 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1287 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1289 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1291 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1293 2010-04-09 Richard Guenther <rguenther@suse.de>
1296 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1298 2010-04-09 Richard Guenther <rguenther@suse.de>
1300 * tree-vectorizer.h (struct _stmt_vec_info): Document
1301 that vectype is the type of the LHS.
1302 (supportable_widening_operation, supportable_narrowing_operation):
1303 Get both input and output vector types as arguments.
1304 (vect_is_simple_use_1): Declare.
1305 (get_same_sized_vectype): Likewise.
1306 * tree-vect-loop.c (vect_determine_vectorization_factor):
1307 Set STMT_VINFO_VECTYPE to the vector type of the def.
1308 (vectorizable_reduction): Adjust.
1309 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1310 Adjust. Specify the output vector type.
1311 (vect_pattern_recog_1): Adjust.
1312 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1313 (vectorizable_call): Adjust.
1314 (vectorizable_conversion): Likewise.
1315 (vectorizable_operation): Likewise.
1316 (vectorizable_type_demotion): Likewise.
1317 (vectorizable_type_promotion): Likewise.
1318 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1320 (vect_is_simple_use_1): New function.
1321 (supportable_widening_operation): Get both input and output
1323 (supportable_narrowing_operation): Likewise.
1324 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1326 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1328 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1329 __thiscall and _thiscall as predefined macros.
1330 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1331 thiscall attribute handling.
1332 (ix86_comp_type_attributes): Likewise.
1333 (ix86_function_regparm): Likewise.
1334 (ix86_return_pops_args): Likewise.
1335 (init_cumulative_args): Likewise.
1336 (find_drap_reg): Likewise.
1337 (ix86_static_chain): Likewise.
1338 (x86_this_parameter): Likewise.
1339 (x86_output_mi_thunk): Likewise.
1340 (ix86_attribute_table): Add description for thiscall attribute.
1341 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1342 * doc/extend.texi: Add documentation for thiscall.
1344 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1347 * c.opt (Wint-to-pointer-cast): Available in C++.
1348 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1350 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1352 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1353 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1354 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1355 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1356 function type instead. Reorder and simplify checks.
1358 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1360 2010-04-08 Jing Yu <jingyu@google.com>
1361 Zdenek Dvorak <ook@ucw.cz>
1363 PR tree-optimization/42720
1364 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1365 loop unswitch conditions here from ...
1366 (tree_unswitch_single_loop): ... here.
1368 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1370 * tree-if-conv.c: Fix comments and simplify logic.
1372 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1374 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1375 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1376 (main_tree_if_conversion): Update call to tree_if_conversion.
1378 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1381 * doc/invoke.texi (-b,-V): Delete.
1382 * doc/tm.texi: Do not mention -b.
1383 * gcc.c (display_help): Delete -b and -V.
1384 (process_command): Delete -b and -V.
1385 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1387 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1388 Wolfgang Gellerich <gellerich@de.ibm.com>
1390 Implement target hook for loop unrolling
1391 * target.h (loop_unroll_adjust): Add a new target hook function.
1392 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1393 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1394 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1395 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1396 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1398 (decide_unroll_stupid): Likewise.
1400 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1403 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1405 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1407 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1408 (Specific, *-*-solaris2*): Likewise.
1409 Don't prefer Sun as over GNU as.
1411 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1413 * config/s390/s390.c (override_options): Adjust the z10
1414 defaults for max-unroll-times, max-completely-peeled-insns
1415 and max-completely-peel-times.
1417 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1419 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1420 instructions for z10.
1421 (s390_expand_setmem): Likewise.
1422 (s390_expand_cmpmem): Likewise.
1424 2010-04-08 Richard Guenther <rguenther@suse.de>
1426 PR tree-optimization/43679
1427 * tree-ssa-pre.c (eliminate): Only propagate copies.
1429 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1432 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1433 set but not used variable warning.
1435 2010-04-08 Wei Guozhi <carrot@google.com>
1438 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1439 (arm_size_rtx_costs): Call the new function when optimized for size.
1441 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1444 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1445 op0 is not a MEM, just return NULL instead of assertion
1447 (discover_nonconstant_array_refs): Don't walk debug stmts.
1449 2010-04-08 Doug Kwan <dougkwan@google.com>
1451 * configure.ac: Recognize gold and do not use its version number
1452 to test ld features.
1453 * configure: Regenerate.
1455 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1458 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1459 (negate_value): Move code to push elements to broken_up_substracts ...
1460 (eliminate_plus_minus_pair): ... here. Push operands that have no
1461 negative pair to plus_negates.
1462 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1464 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1466 * doc/install.texi (Configuration): Move description of
1467 --enable-lto, --with-libelf*, --enable-gold from Java section to
1470 * doc/generic.texi (Working with declarations)
1471 (Function Properties, C and C++ Trees): Fix typos.
1472 * doc/sourcebuild.texi (Top Level): Likewise.
1474 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1477 * tree.h (DECL_READ_P): Define.
1478 (struct tree_decl_common): Add decl_read_flag.
1479 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1480 a set but not used warning.
1481 (merge_decls): Merge DECL_READ_P flag.
1482 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1483 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1484 * c-common.c (handle_used_attribute, handle_unused_attribute):
1486 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1488 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1490 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1491 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1492 c_parser_binary_expression, c_parser_cast_expression,
1493 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1494 Call default_function_array_read_conversion instead of
1495 default_function_array_conversion where needed.
1496 (c_parser_unary_expression, c_parser_conditional_expression,
1497 c_parser_postfix_expression_after_primary, c_parser_initelt):
1498 Likewise. Call mark_exp_read where needed.
1499 (c_parser_statement_after_labels, c_parser_asm_operands,
1500 c_parser_typeof_specifier, c_parser_sizeof_expression,
1501 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1503 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1505 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1506 (warn_unused_but_set_parameter): Default to warn_unused
1508 * doc/invoke.texi: Document -Wunused-but-set-variable and
1509 -Wunused-but-set-parameter.
1511 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1512 used count variable.
1513 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1514 when operandN variables aren't used in the body of the expander
1516 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1517 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1518 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1519 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1520 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1521 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1522 * tree.c (PROCESS_ARG): Likewise.
1524 2010-04-07 Simon Baldwin <simonb@google.com>
1526 * diagnostic.h (diagnostic_override_option_index): New macro to
1527 set a diagnostic's option_index.
1528 * c-tree.h (c_cpp_error): Add warning reason argument.
1529 * opts.c (_warning_as_error_callback): New.
1530 (register_warning_as_error_callback): Store callback for
1531 warnings enabled via enable_warning_as_error.
1532 (enable_warning_as_error): Call callback, minor code tidy.
1533 * opts.h (register_warning_as_error_callback): Declare.
1534 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1535 response to -Werror=.
1536 (c_common_init_options): Register warning_as_error_callback in opts.c.
1537 * common.opt: Add -Wno-cpp option.
1538 * c-common.c (struct reason_option_codes_t): Map cpp warning
1539 reason codes to gcc option indexes.
1540 * (c_option_controlling_cpp_error): New function, lookup the gcc
1541 option index for a cpp warning reason code.
1542 * (c_cpp_error): Add warning reason argument, call
1543 c_option_controlling_cpp_error for diagnostic_override_option_index.
1544 * doc/invoke.texi: Document -Wno-cpp.
1546 2010-04-07 Richard Guenther <rguenther@suse.de>
1548 * ipa-reference.c (mark_load): Use get_base_address.
1549 (mark_store): Likewise.
1551 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1552 inserting GIMPLE_NOPs into the IL.
1553 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1554 Explicitly strip handled components and indirect references.
1556 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1557 folding address expressions.
1558 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1559 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1560 operand_equal_p to compare decls.
1561 (ptr_deref_may_alias_decl_p): Likewise.
1562 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1563 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1564 Handle reversed comparison ops.
1565 * tree-sra.c (asm_visit_addr): Use get_base_address.
1566 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1567 * ipa-reference.c (mark_address): Use get_base_address.
1569 2010-04-07 Richard Guenther <rguenther@suse.de>
1571 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1572 Propagate constants everywhere.
1574 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1577 * tree.c (MAX_INT_CACHED_PREC): Define.
1578 (nonstandard_integer_type_cache): New array.
1579 (build_nonstandard_integer_type): Cache results for precision
1580 <= MAX_INT_CACHED_PREC.
1582 2010-04-07 Richard Guenther <rguenther@suse.de>
1584 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1585 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1586 * common.opt: Likewise.
1587 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1588 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1589 (nonoverlapping_memrefs_p): Likewise.
1590 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1591 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1592 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1593 OPT_fargument_noalias_global for backward compatibility.
1595 2010-04-07 Richard Guenther <rguenther@suse.de>
1597 PR tree-optimization/43270
1598 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1599 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1600 * tree-ssa-pre.c (phi_translate_1): Adjust.
1601 (fully_constant_expression): Split out vn_reference handling to ...
1602 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1603 Fold reads from constant strings.
1604 (vn_reference_lookup): Handle fully constant references.
1605 (vn_reference_lookup_pieces): Likewise.
1606 * Makefile.in (expmed.o-warn): Add -Wno-error.
1608 2010-04-07 Martin Jambor <mjambor@suse.cz>
1610 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1612 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1615 * gcc.c: Add -static-libstdc++ to list of recognized options.
1617 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1619 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1621 2010-04-07 Richard Guenther <rguenther@suse.de>
1624 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1625 bases build simple mem attributes to retain points-to information.
1627 2010-04-07 Richard Guenther <rguenther@suse.de>
1630 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1631 preserve points-to related information.
1633 2010-04-07 Richard Guenther <rguenther@suse.de>
1636 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1637 discard plain indirect references.
1638 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1639 * tree.c (tree_nop_conversion): Likewise.
1641 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1644 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1646 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1648 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1649 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1651 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1653 * tree-if-conv.c: Fix indentation and comments.
1655 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1657 * tree-if-conv.c: Sort static functions in topological order.
1659 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1661 * tree-if-conv.c: Fix indentation and comments.
1663 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1666 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1667 lang_hooks.types.type_for_size instead of
1668 build_nonstandard_integer_type.
1669 When converting an unsigned type to signed, double its precision.
1670 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1671 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1672 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1675 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1678 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1679 POINTER_PLUS_EXPR for pointer types.
1681 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1684 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1685 * graphite-clast-to-gimple.c: Include langhooks.h.
1686 (max_signed_precision_type): New.
1687 (max_precision_type): Takes two types as arguments.
1688 (precision_for_value): New.
1689 (precision_for_interval): New.
1690 (gcc_type_for_interval): New.
1691 (gcc_type_for_value): New.
1692 (gcc_type_for_clast_term): New.
1693 (gcc_type_for_clast_red): New.
1694 (gcc_type_for_clast_bin): New.
1695 (gcc_type_for_clast_expr): Split up into several functions.
1696 (gcc_type_for_clast_eq): Rewritten.
1697 (compute_bounds_for_level): New.
1698 (compute_type_for_level_1): New.
1699 (compute_type_for_level): New.
1700 (gcc_type_for_cloog_iv): Removed.
1701 (gcc_type_for_iv_of_clast_loop): Rewritten.
1702 (graphite_create_new_loop): Compute the lower and upper bound types
1703 with gcc_type_for_clast_expr.
1704 (graphite_create_new_loop_guard): Same.
1705 (find_cloog_iv_in_expr): Removed.
1706 (compute_cloog_iv_types_1): Removed.
1707 (compute_cloog_iv_types): Removed.
1708 (gloog): Do not call compute_cloog_iv_types.
1709 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1711 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1712 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1713 (GBB_CLOOG_IV_TYPES): Removed.
1715 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1717 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1718 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1719 (detect_commutative_reduction): Same.
1721 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1723 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1724 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1726 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1727 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1728 (rewrite_commutative_reductions_out_of_ssa): Same.
1729 * passes.c (execute_function_todo): Call verify_ssa for every pass
1730 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1731 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1732 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1733 with an extra argument.
1734 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1735 verify_ssa only when the extra argument is true.
1736 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1737 with an extra argument.
1738 (tree_transform_and_unroll_loop): Same.
1740 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1742 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1743 for all the passes of the LNO having LOOP_CLOSED_SSA.
1744 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1745 * tree-loop-distribution.c (pass_loop_distribution): Same.
1746 * tree-pass.h (TODO_verify_loops): Removed.
1747 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1749 (pass_tree_unswitch): Same.
1750 (pass_predcom): Same.
1751 (pass_vectorize): Same.
1752 (pass_linear_transform): Same.
1753 (pass_graphite_transforms): Same.
1754 (pass_iv_canon): Same.
1755 (pass_complete_unroll): Same.
1756 (pass_complete_unrolli): Same.
1757 (pass_parallelize_loops): Same.
1758 (pass_loop_prefetch): Same.
1759 (pass_iv_optimize): Same.
1761 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1764 * passes.c (init_optimization_passes): Move pass_lim before
1765 pass_copy_prop and pass_dce_loop.
1767 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1770 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1771 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1772 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1773 MULTI_* defines for 4 argument vpermil2p* builtins.
1775 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1777 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1778 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1779 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1780 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1781 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1782 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1783 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1784 Use x86_maybe_negate_const_int to output insn mnemonic.
1785 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1786 check from instruction predicate. Update comments.
1787 * config/i386/sync.md (sync_add<mode>): Use
1788 x86_maybe_negate_const_int to output insn mnemonic.
1790 2010-04-06 Jan Hubicka <jh@suse.cz>
1792 PR tree-optimization/42906
1793 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1794 IGNORE_SELF argument. Set visited_control_parents for fully
1796 (find_obviously_necessary_stmts): Update call of
1797 mark_control_dependent_edges_necessary.
1798 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1800 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1802 * config/i386/i386.md: Remove comment about 'e' and 'E'
1805 2010-04-06 Richard Guenther <rguenther@suse.de>
1807 PR tree-optimization/43627
1808 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1809 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1812 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1814 * BASE-VER: Change to 4.6.0.
1817 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1820 2010-04-06 Richard Guenther <rguenther@suse.de>
1823 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1825 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1827 * doc/invoke.texi (Optimize Options): Document that LTO
1828 won't remove object access purely due to incompatible
1831 2010-04-04 Matthias Klose <doko@ubuntu.com>
1833 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1834 Initialize variable.
1836 2010-04-03 Richard Guenther <rguenther@suse.de>
1839 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1840 require a non-NULL MEM_OFFSET.
1842 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1844 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1845 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1846 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1847 config/alpha/predicates.md, config/arm/arm.md,
1848 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1849 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1850 config/darwin9.h, config/darwin.c, config/darwin.h,
1851 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1852 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1853 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1854 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1855 config/mips/mips.md, config/mn10300/mn10300.c,
1856 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1857 config/rs6000/aix.h, config/rs6000/dfp.md,
1858 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1859 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1860 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1861 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1862 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1863 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1864 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1865 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1866 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1867 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1868 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1869 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1870 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1871 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1872 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1873 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1874 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1875 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1876 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1877 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1878 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1879 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1880 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1881 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1882 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1883 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1884 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1885 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1886 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1887 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1888 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1889 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1890 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1891 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1892 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1893 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1895 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1898 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1899 * aclocal.m4: Regenerate.
1901 2010-04-02 Richard Guenther <rguenther@suse.de>
1903 PR tree-optimization/43629
1904 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1905 if we have seen a constant value.
1907 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1909 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1911 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1914 * arm.c (legitimize_tls_address): Adjust call to
1915 gen_tls_load_dot_plus_four.
1916 (arm_note_pic_base): New function.
1917 (arm_cannot_copy_insn_p): Use it.
1918 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
1921 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1926 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1928 * Makefile.in ($(out_object_file)): Depend on
1929 gt-$(basename $(notdir $(out_file))).h.
1931 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
1933 * config.gcc (lm32-*-rtems*): Add t-lm32.
1935 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
1937 * config.gcc: Add lm32-*-rtems*.
1938 * config/lm32/rtems.h: New file.
1940 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
1943 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
1945 2010-04-01 Jakub Jelinek <jakub@redhat.com>
1947 * dwarf2out.c (output_compilation_unit_header): For
1948 -gdwarf-4 use version 4 instead of version 3.
1949 (output_line_info): For version 4 and above emit additional
1950 maximum ops per insn header field.
1951 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
1953 * dwarf2out.c (is_c_family, is_java): Remove.
1954 (lower_bound_default): New function.
1955 (add_bound_info, gen_descr_array_type_die): Use it.
1957 2010-04-01 Dodji Seketeli <dodji@redhat.com>
1960 * dwarf2out.c (gen_variable_die): Allow debug info for variable
1961 re-declaration when it happens in a function.
1963 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
1965 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
1966 (cgraph_remove_function_insertion_hook): Same.
1967 (cgraph_call_function_insertion_hooks): Same.
1969 2010-04-01 Richard Guenther <rguenther@suse.de>
1972 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
1973 and TREE_THIS_VOLATILE.
1974 (copy_ref_info): Likewise.
1975 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
1976 * tree.c (build6_stat): Ignore side-effects of all but arg5
1977 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
1980 2010-04-01 Richard Guenther <rguenther@suse.de>
1982 PR tree-optimization/43607
1983 * ipa-type-escape.c (check_call): Do not access non-existing
1986 2010-04-01 Richard Guenther <rguenther@suse.de>
1990 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
1991 Jack Howarth <howarth@bromo.med.uc.edu>
1993 * tree-profile.c (tree_init_ic_make_global_vars): Make static
1996 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1998 * doc/install.texi (Prerequisites): Document libelf usability on
1999 IRIX 5/6 and Solaris 2.
2000 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2001 Update GNU as, GNU ld requirements.
2002 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2003 Document Sun Studio compiler download.
2004 Update and simplify as, ld recommendations.
2005 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2007 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2009 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2010 with_tune_32 to pentium4.
2012 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2014 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2016 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2018 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2019 obsoletion, removal.
2021 Document GNU as requirement.
2022 Update configure requirements.
2023 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2024 Recomment IRIX 6.5.18+.
2025 Document IDF/IDL requirement.
2026 Document GNU as requirement.
2027 Document GNU ld bootstrap failure.
2028 Remove freeware.sgi.com reference.
2030 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2032 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2033 UNIX V4.0, V5.0 obsoletion, removal.
2034 Remove --with-gc=simple reference.
2035 Update VM requirements during bootstrap.
2036 Remove -oldas bootstrap description.
2037 Update binutils reference.
2038 Remove comparison failure note.
2040 2010-03-31 Richard Guenther <rguenther@suse.de>
2041 Zdenek Dvorak <ook@ucw.cz>
2042 Sebastian Pop <sebastian.pop@amd.com>
2045 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2046 with multiple arguments.
2047 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2049 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2051 * graphite-dependences.c (print_pddr): Call print_pdr with an
2053 * graphite-poly.c (debug_pdr): Add an extra argument for the
2056 (print_pbb_domain): Same.
2058 (print_scop_context): Same.
2060 (print_cloog): Same.
2061 (debug_pbb_domain): Same.
2065 (debug_scop_context): Same.
2067 (debug_cloog): Same.
2068 (print_scop_params): Same.
2069 (debug_scop_params): Same.
2070 (print_iteration_domain): Same.
2071 (print_iteration_domains): Same.
2072 (debug_iteration_domain): Same.
2073 (debug_iteration_domains): Same.
2074 (print_scattering_function): Same.
2075 (print_scattering_functions): Same.
2076 (debug_scattering_function): Same.
2077 (debug_scattering_functions): Same.
2078 * graphite-poly.h (debug_pdr): Update declaration.
2080 (print_pbb_domain): Same.
2082 (print_scop_context): Same.
2084 (print_cloog): Same.
2085 (debug_pbb_domain): Same.
2089 (debug_scop_context): Same.
2091 (debug_cloog): Same.
2092 (print_scop_params): Same.
2093 (debug_scop_params): Same.
2094 (print_iteration_domain): Same.
2095 (print_iteration_domains): Same.
2096 (debug_iteration_domain): Same.
2097 (debug_iteration_domains): Same.
2098 (print_scattering_function): Same.
2099 (print_scattering_functions): Same.
2100 (debug_scattering_function): Same.
2101 (debug_scattering_functions): Same.
2103 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2105 * graphite-poly.c (print_scattering_function_1): New.
2106 (print_scattering_function): Call it.
2107 (print_scop_params): Remove spaces at the end of lines.
2110 * graphite-poly.h (print_cloog): Declared.
2111 (debug_cloog): Declared.
2113 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2115 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2117 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2118 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2119 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2120 to switch between adding the IV bump in loop->latch or in loop->header.
2122 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2124 * graphite-poly.c (print_scattering_function): Pretty print following
2127 (print_pbb_domain): Same.
2128 (dump_gbb_cases): Same.
2129 (dump_gbb_conditions): Same.
2132 (print_scop_params): Same.
2133 (print_scop_context): Same.
2135 (print_pbb_body): New.
2136 (lst_indent_to): New.
2137 (print_lst): Start new lines with a #.
2138 * graphite-poly.h (pbb_bb): New.
2139 (pbb_index): Use pbb_bb.
2140 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2142 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2144 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2146 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2147 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2148 and 0 instead of 1 for dw_val_class_flag.
2149 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2150 dw_val_class_range_list, dw_val_class_loc_list,
2151 dw_val_class_lineptr and dw_val_class_macptr, use
2152 DW_FORM_flag_present for dw_val_class_flag and
2153 DW_FORM_exprloc for dw_val_class_loc.
2154 (output_die): For -gdwarf-4 print dw_val_class_loc
2155 size as uleb128 instead of 1 or 2 bytes and don't print
2156 anything for dw_val_class_flag.
2158 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2159 instead of cselib_lookup following by tweaking locs->setting_insn.
2162 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2163 even before returning from label, setjmp call or volatile asm
2166 2010-03-31 Richard Guenther <rguenther@suse.de>
2169 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2170 temporary data on stack.
2172 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2174 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2175 (PUSHSECTION_ASM_OP): Remove.
2176 (POPSECTION_ASM_OP): Remove.
2177 (PUSHSECTION_FORMAT): Remove.
2178 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2179 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2180 * config/sol2.c (solaris_output_init_fini): Use it.
2182 2010-03-31 Jie Zhang <jie@codesourcery.com>
2185 * opt-functions.awk (var_type_struct): Use signed char type
2186 for simple variables.
2188 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2190 * config/sol2.c: Include output.h.
2191 (solaris_assemble_visibility): New function.
2192 * config/t-sol2 (sol2.o): Add output.h dependency.
2193 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2194 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2197 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2200 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2201 V2SImode or XFmode on PRE_DEC.
2204 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2207 2010-03-31 Jie Zhang <jie@codesourcery.com>
2210 * reload.h (caller_save_initialized_p): Declare.
2211 * toplev.c (backend_init_target): Don't call
2212 init_caller_save but set caller_save_initialized_p to false.
2213 * caller-save.c (caller_save_initialized_p): Define.
2214 (init_caller_save): Check caller_save_initialized_p.
2215 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2217 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2220 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2221 and soft-fp/t-softfp to tmake_file.
2222 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2223 (LIBGCC2_TF_CEXT): Define.
2226 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2229 * cselib.c (n_useless_values): Document handling of debug locs.
2230 (n_useless_debug_values, n_debug_values): New variables.
2231 (new_elt_loc_list): Don't add to debug values, keep count.
2232 (promote_debug_loc): New.
2233 (cselib_reset_table): Zero new variables.
2234 (entry_and_rtx_equal_p): Promote debug locs.
2235 (discard_useless_locs): Increment n_useless_debug_values for
2237 (remove_useless_values): Adjust n_useless_values and n_debug_values
2238 with n_useless_debug_values.
2239 (add_mem_for_addr): Promote debug locs.
2240 (cselib_lookup_mem): Likewise.
2241 (cselib_lookup_addr): Renamed to...
2242 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2243 (cselib_log_lookup): ... this. Turn into...
2244 (cselib_lookup_addr): ... new wrapper.
2245 (cselib_lookup_from_insn): New.
2246 (cselib_invalidate_regno): Increment n_useless_debug_values for
2248 (cselib_invalidate_mem): Likewise.
2249 (cselib_process_insn): Take n_deleted and n_debug_values into
2250 account to guard remove_useless_value call.
2251 (cselib_finish): Zero n_useless_debug_values.
2252 * cselib.h (cselib_lookup_from_insn): Declare.
2253 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2254 (sched_analyze_2): Likewise.
2256 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2258 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2260 (adjust_mems): Replace narrowing SUBREG of expression containing
2261 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2262 with operations in the narrower mode.
2265 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2266 regs_invalidated_by_call instead all call_used_reg_set registers.
2268 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2271 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2272 pointer comparisons with types_compatible_p.
2273 * tree-vect-stmts.c (vectorizable_call): Same.
2274 (vectorizable_condition): Same.
2276 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2278 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2279 stack check if the mask would be zero.
2281 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2282 Jack Howarth <howarth@bromo.med.uc.edu>
2284 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2287 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2290 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2292 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2293 Include ___unordxf2 and ___unordtf2.
2294 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2297 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2299 * config/lm32/t-lm32: New file.
2300 * config.gcc: Use the above file when targetting lm32.
2302 2010-03-28 Duncan Sands <baldrick@free.fr>
2304 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2306 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2309 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2310 Improve vectorization cost model diagnostic.
2312 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2315 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2316 compute_data_dependences_for_loop returns false, early exit
2317 and output an extra diagnostic for the failed data reference
2320 2010-03-29 Richard Guenther <rguenther@suse.de>
2322 PR tree-optimization/43560
2323 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2324 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2326 2010-03-29 Jie Zhang <jie@codesourcery.com>
2329 * toplev.c (process_options): Set optimization_default_node
2330 and optimization_current_node.
2331 * opts.c (decode_options): Don't set optimization_default_node
2332 and optimization_current_node.
2334 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2336 * config/rtems.h: Abandon -qrtems_debug.
2338 2010-03-28 Jan Hubicka <jh@suse.cz>
2340 PR tree-optimization/43505
2341 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2342 map should not be copied.
2344 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2347 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2348 cdtors, set DECL_PRESERVE_P.
2349 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2352 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2354 PR tree-optimization/43528
2355 * stor-layout.c (place_field): Check that constant fits into
2356 unsigned HWI when skipping calculation of MS bitfield layout.
2358 2010-03-27 Jan Hubicka <jh@suse.cz>
2361 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2362 notice_global_symbol work.
2364 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2366 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2367 instead of dwarf2out_decl.
2368 (struct var_loc_node): Remove section_label field.
2369 (dwarf2out_function_decl): New function.
2370 (dwarf2out_var_location): Don't set section_label field.
2371 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2373 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2375 PR tree-optimization/43544
2376 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2377 First argument for builtin vectorized function hook is now a
2378 tree to be able to distinguish between machine specific and
2380 * targhooks.c (default_builtin_vectorized_function): Ditto.
2381 * targhooks.h (default_builtin_vectorized_function): Ditto.
2382 * target.h (struct gcc_target): Ditto.
2383 * tree-vect-stmts.c (vectorizable_function): Ditto.
2384 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2385 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2388 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2391 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2392 nested binding iff it is a FUNCTION_DECL.
2393 (store_parm_decls_newstyle): Pass nested=true to bind for
2394 FUNCTION_DECLs amongst parameters.
2396 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2398 * var-tracking.c (vt_expand_loc_callback): Don't run
2399 cselib_expand_value_rtx_cb in dummy mode if
2400 cselib_dummy_expand_value_rtx_cb returned false.
2402 * var-tracking.c (emit_note_insn_var_location): For one part
2403 notes with offset 0, don't add EXPR_LIST around the location.
2404 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2405 add_location_or_const_value_attribute): Adjust for that change.
2408 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2409 into first operand and location into second.
2410 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2411 dw_cfi_oprnd_loc for DW_CFA_expression.
2412 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2413 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2414 assume first argument is regnum and second argument is location.
2416 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2419 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2420 of scratch register to DImode. Split to DImode comparison operator.
2421 Use SImode subreg of scratch register in the multiplication.
2422 (*cmp_sadd_sidi): Ditto.
2423 (*cmp_ssub_si): Ditto.
2424 (*cmp_ssub_sidi): Ditto.
2426 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2429 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2430 Remove invalid assert and wrong comment.
2432 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2435 * flags.h (final_insns_dump_p): New extern.
2436 * final.c (final_insns_dump_p): New variable.
2437 (rest_of_clean_state): Set it before -fdump-final-insns=
2438 dumping, clear afterwards.
2439 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2440 MEM_ALIAS_SET on MEMs.
2442 2010-03-26 David S. Miller <davem@davemloft.net>
2444 * configure.ac: Fix sparc GOTDATA_OP bug check.
2445 * configure: Rebuild.
2447 2010-03-26 Alan Modra <amodra@gmail.com>
2449 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2451 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2453 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2454 TLS_SECTION_ASM_FLAG.
2456 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2459 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2460 Clear first_function_block_is_cold.
2463 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2464 argument if the argument is truth_value_p.
2466 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2468 * config/rs6000/constraints.md: Update copyright year for my changes.
2471 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2472 used in reg+reg addressing, swap registers.
2474 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2477 * target.h (struct gcc_target): Add code_end hook.
2478 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2480 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2481 * toplev.c (compile_file): Call targetm.asm_out.code_end
2482 hook before unwind info/debug info output.
2483 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2484 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2485 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2486 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2487 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2488 * config/i386/i386.c (ix86_file_end): Renamed to...
2489 (ix86_code_end): ... this. Make static. Don't call
2490 file_end_indicate_exec_stack. Emit unwind info using
2491 final_start_function/final_end_function.
2492 (darwin_x86_file_end): Remove.
2493 (TARGET_ASM_CODE_END): Define.
2494 * config/i386/i386.h (TARGET_ASM_FILE_END,
2495 NEED_INDICATE_EXEC_STACK): Don't define.
2496 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2497 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2498 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2499 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2502 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2503 at the beginning and final_end_function at the end.
2504 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2506 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2508 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2509 and Sun as TLS syntax.
2510 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2511 * configure: Regenerate.
2512 * config.in: Regenerate.
2513 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2514 (default_elf_asm_named_section): Use it.
2515 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2516 (i386_output_dwarf_dtprel): Likewise.
2517 (output_addr_const_extra): Likewise.
2518 (output_pic_addr_const): Lowercase @GOTTPOFF.
2519 (output_addr_const_extra): Likewise.
2520 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2521 (output_addr_const_extra): Likewise.
2522 (output_pic_addr_const): Lowercase @INDNTPOFF.
2523 (output_addr_const_extra): Likewise.
2524 (output_pic_addr_const): Lowercase @NTPOFF.
2525 (output_addr_const_extra): Likewise.
2526 (output_pic_addr_const): Lowercase @TPOFF.
2527 (output_addr_const_extra): Likewise.
2528 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2529 (*tls_global_dynamic_64): Likewise.
2530 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2531 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2533 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2534 (ASM_OUTPUT_TLS_COMMON): Use it.
2535 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2538 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2539 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2540 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2541 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2542 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2543 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2545 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2547 * config/i386/i386.c (override_options): Don't accept
2548 -mtls-dialect=sun any longer.
2549 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2550 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2551 (*tls_local_dynamic_base_32_sun): Likewise.
2552 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2554 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2557 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2558 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2561 * ira.c (adjust_cleared_regs): New function.
2562 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2566 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2568 * expr.c (expand_expr_real): Restore previous
2569 curr_insn_source_location and curr_insn_block after
2570 expand_expr_real_1 call.
2571 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2572 instead of expand_expr_real_1.
2574 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2576 PR rtl-optimization/43413
2577 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2580 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2583 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2584 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2586 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2588 * config/i386/i386.c (ix86_target_string): Add -mfma.
2589 Fix a typo in comment.
2591 2010-03-22 Mike Stump <mikestump@comcast.net>
2594 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2595 Don't overly align based upon packed packed fields.
2597 2010-03-22 Jason Merrill <jason@redhat.com>
2599 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2600 Use () rather than [], and move before the element type.
2602 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2604 * doc/configfiles.texi (Configuration Files): Removed
2605 fixinc/Makefile*, intl/Makefile.*.
2606 * doc/makefile.texi: Fixed markup. Abstract from version
2607 control system used.
2608 (Makefile): Removed obsolete gcc/java/parse.y example.
2609 * doc/sourcebuild.texi: Likewise.
2610 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2611 libgomp, libssp. Removed fastjar.
2612 (Miscellaneous Docs): Clarify location.
2613 Added COPYING3, COPYING3.LIB.
2614 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2616 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2619 * config/i386/i386.c (x86_function_profiler)
2620 [!NO_PROFILE_COUNTERS]: Fix typo.
2621 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2624 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2625 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2627 * doc/sourcebuild.texi (Test Directives): Split into six
2628 subsections, with most of the current text in new subsections
2629 Directives, Selectors, and Final Actions.
2630 (Directives): Split list of test directives into multiple
2632 (Selectors): Describe use and syntax of selectors.
2633 (Effective-Target Keywords): Describe all existing keywords.
2634 (Add Options): Describe features for dg-add-options.
2635 (Require Support): Describe variants of dg-require-support.
2636 (Final Actions): Describe commands to use in dg-final.
2638 2010-03-22 Michael Matz <matz@suse.de>
2641 * recog.c (validate_replace_rtx_group): Replace also in
2642 REG_EQUAL and REG_EQUIV notes.
2644 2010-03-22 Richard Guenther <rguenther@suse.de>
2646 PR tree-optimization/43390
2647 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2648 sure vector extracts are type correct.
2650 2010-03-22 Richard Guenther <rguenther@suse.de>
2653 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2654 x * sqrt (x) even when optimizing for size if the target
2655 has native support for sqrt.
2657 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2659 * varasm.c (make_decl_rtl_for_debug): Also clear
2660 flag_mudflap for the duration of make_decl_rtl call.
2663 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2664 locs from preserved VALUEs.
2666 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2669 * pa.md (movmemsi): Set align to one if zero.
2670 (movmemdi): Likewise.
2672 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2675 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2676 with their corresponding prologue pushes.
2678 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2681 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2682 at the begining or end.
2683 (spu_expand_epilogue): Likewise.
2685 2010-03-20 Richard Guenther <rguenther@suse.de>
2687 PR rtl-optimization/43438
2688 * combine.c (make_extraction): Properly zero-/sign-extend an
2689 extraction of the low part of a CONST_INT. Also handle
2692 2010-03-19 Mike Stump <mikestump@comcast.net>
2694 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2695 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2696 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2698 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2701 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2704 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2706 PR rtl-optimization/42258
2707 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2708 use that may match DEF.
2711 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2712 the cost of loading the constant rather than assuming
2714 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2715 outer code is AND, do the same tests as the andsi3 expander and
2716 return COSTS_N_INSNS (1) if and is cheap.
2718 * optabs.c (avoid_expensive_constant): Fix formatting.
2720 2010-03-19 Michael Matz <matz@suse.de>
2723 * attribs.c (decl_attributes): When rebuilding a function pointer
2724 type use the same qualifiers as the original pointer type.
2726 2010-03-19 Martin Jambor <mjambor@suse.cz>
2728 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2729 and is_gimple_ip_invariant_address.
2731 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2734 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2736 * config/arm/arm.c (arm_override_options): Turn off
2737 flag_dwarf2_cfi_asm for AAPCS variants.
2739 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2742 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2743 Use PRE_MODIFY instead of PRE_DEC.
2744 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2745 (vfp_emit_fstmd): Likewise.
2747 2010-03-19 Michael Matz <matz@suse.de>
2750 * builtins.c (expand_builtin_interclass_mathfn,
2751 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2754 2010-03-19 Richard Guenther <rguenther@suse.de>
2756 PR tree-optimization/43415
2757 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2758 (phi_translate_1): ... this.
2759 (phi_translate): Move all caching here. Cache all NARY
2760 and REFERENCE translations.
2762 2010-03-19 David S. Miller <davem@davemloft.net>
2764 With help from Eric Botcazou.
2765 * config/sparc/sparc.c: Include dwarf2out.h.
2766 (emit_pic_helper): Delete.
2767 (pic_helper_symbol_name): Delete.
2768 (pic_helper_emitted_p): Delete.
2769 (pic_helper_needed): New.
2770 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2771 (get_pc_thunk_name): New.
2772 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2773 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2774 Set pic_helper_needed to true. Don't call emit_pic_helper.
2775 (sparc_expand_prologue): Update load_pic_register call.
2776 (sparc_output_mi_thunk): Likewise.
2777 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2778 thunk if possible. Output CFI information as needed.
2780 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2781 Jack Howarth <howarth@bromo.med.uc.edu>
2784 * config/i386/i386.h: Fix ABI on darwin x86-32.
2786 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2788 * tree.h: Declare make_decl_rtl_for_debug.
2789 * varasm.c (make_decl_rtl_for_debug): New.
2790 * dwarf2out.c (rtl_for_decl_location): Call it.
2791 * cfgexpand.c (expand_debug_expr): Call it.
2793 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2796 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2800 * var-tracking.c (vt_init_cfa_base): Do nothing if
2801 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2803 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2806 * var-tracking.c (canonicalize_vars_star): New.
2807 (dataflow_post_merge_adjust): Use it.
2809 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2812 * var-tracking.c (non_suitable_const): New function.
2813 (add_uses): For DEBUG_INSNs with constants, don't record any
2814 value, instead just the constant value itself.
2815 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2816 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2817 (emit_notes_in_bb): Likewise.
2818 (emit_note_insn_var_location): For onepart variables if
2819 cur_loc is a VOIDmode constant, use DECL_MODE.
2821 2010-03-18 Martin Jambor <mjambor@suse.cz>
2824 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2825 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2826 all non-clones. Moved call redirection...
2827 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2828 (cgraph_materialize_all_clones): Dispose of all
2829 combined_args_to_skip bitmaps.
2830 (verify_cgraph_node): Do not check for edges pointing to wrong
2831 nodes in inline clones.
2832 * tree-inline.c (copy_bb): Call
2833 cgraph_redirect_edge_call_stmt_to_callee.
2834 * ipa.c (cgraph_remove_unreachable_nodes): Call
2835 cgraph_node_remove_callees even when there are used clones.
2837 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2839 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2841 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2844 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2847 2010-03-18 Michael Matz <matz@suse.de>
2850 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2851 into sqrt(x) if we need to preserve signed zeros.
2853 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2854 Eric Botcazou <ebotcazou@adacore.com>
2856 PR rtl-optimization/43360
2857 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2858 note if we don't know its invariant status.
2860 2010-03-18 Michael Matz <matz@suse.de>
2862 PR tree-optimization/43402
2863 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2864 PHI chains of ssa names registered for update.
2866 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2869 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2870 non-offsettable and pre_modify update addressing.
2871 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2872 and "2" alternatives "#".
2873 (*movdd_softfloat32): Make all alternatives "#";
2874 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2875 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2876 (*movdf_softfloat32): Make all alternatives "#";
2877 (movdi): Use the new DIFD mode iterator to create a common splitter
2878 for movdi, movdf and movdd patterns.
2880 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2882 * common.opt (dumpdir): Remove redundant tab.
2884 2010-03-17 Martin Jambor <mjambor@suse.cz>
2886 PR tree-optimization/43347
2887 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2888 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2890 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2892 PR rtl-optimization/42216
2893 * regrename.c (create_new_chain): New function, broken out from...
2894 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2895 appending a use to an empty chain.
2896 (build_def_use): Remove previous changes that convert OP_INOUT to
2897 OP_OUT operands; instead detect the case where an OP_INOUT operand
2898 uses a previously untracked register and create an empty chain for it.
2900 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2902 * doc/extend.texi (Function Attributes): Rewrite unfinished
2903 sentence in ms_abi documentation.
2905 2010-03-17 Alan Modra <amodra@gmail.com>
2907 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2908 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2909 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2910 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2912 2010-03-16 Richard Henderson <rth@redhat.com>
2915 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
2916 (lower_try_finally): Save and restore eh_seq around the expansion
2919 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2921 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
2922 statements before splitting block.
2924 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2926 * doc/sourcebuild.texi (Testsuites): Fix markup.
2927 Use pathnames relative to gcc/testsuite.
2928 (Test Directives): Move description of how timeout is determined.
2929 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
2930 (C Tests): Correct gcc.misc-tests directory.
2931 Framework tests now live in gcc.test-framework.
2933 2010-03-16 Richard Guenther <rguenther@suse.de>
2936 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
2937 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
2939 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
2940 Alexandre Oliva <aoliva@redhat.com>
2942 PR tree-optimization/42917
2943 * lambda-code.c (remove_iv): Skip debug statements.
2944 (lambda_loopnest_to_gcc_loopnest): Likewise.
2945 (not_interesting_stmt): Debug statements are not interesting.
2947 2010-03-16 Jakub Jelinek <jakub@redhat.com>
2951 * cselib.c (cselib_preserve_constants,
2952 cfa_base_preserved_val): New static variables.
2953 (preserve_only_constants): New function.
2954 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
2955 clear its REG_VALUES. If cselib_preserve_constants, don't
2956 empty the whole hash table, but preserve there VALUEs with constants,
2957 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
2958 (cselib_preserve_cfa_base_value): New function.
2959 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
2960 (cselib_init): Change argument to int bitfield. Set
2961 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
2963 (cselib_finish): Clear cselib_preserve_constants and
2964 cfa_base_preserved_val.
2965 * cselib.h (enum cselib_record_what): New enum.
2966 (cselib_init): Change argument to int.
2967 (cselib_preserve_cfa_base_value): New prototype.
2968 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
2969 * dse.c (dse_step1): Likewise.
2970 * cfgcleanup.c (thread_jump): Likewise.
2971 * sched-deps.c (sched_analyze): Likewise.
2972 * gcse.c (local_cprop_pass): Likewise.
2973 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
2974 If FN is non-NULL, call the callback always and whenever it returns
2975 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
2976 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
2977 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
2978 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
2979 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
2980 * var-tracking.c: Include recog.h.
2981 (bb_stack_adjust_offset): Remove.
2982 (vt_stack_adjustments): Don't call it, instead just gather the
2983 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
2984 (adjust_stack_reference): Remove.
2985 (compute_cfa_pointer): New function.
2986 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
2987 (struct adjust_mem_data): New type.
2988 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
2990 (get_address_mode): New function.
2991 (replace_expr_with_values): Use it.
2992 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
2993 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
2994 (adjust_sets): Remove.
2995 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
2996 Use get_address_mode.
2997 (get_adjusted_src): Remove.
2998 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
2999 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3000 (add_with_sets): Don't call adjust_sets.
3001 (fp_setter, vt_init_cfa_base): New functions.
3002 (vt_initialize): Change return type to bool. Move most of pool etc.
3003 initialization to the beginning of the function from end. Pass
3004 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3005 If !frame_pointer_needed, call vt_stack_adjustment before mos
3006 vector is filled, call vt_init_cfa_base if argp/framep has been
3007 eliminated to sp. If frame_pointer_needed and argp/framep has
3008 been eliminated to hard frame pointer, set
3009 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3010 encountering fp setter in the prologue. For MO_ADJUST, call
3011 log_op_type before pusing the op into mos vector, not afterwards.
3012 Call adjust_insn before cselib_process_insn/add_with_sets,
3013 call cancel_changes (0) afterwards.
3014 (variable_tracking_main_1): Adjust for vt_initialize calling
3015 vt_stack_adjustments and returning whether it succeeded or not.
3017 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3019 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3022 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3024 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3026 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3027 drap_reg has not been set.
3029 2010-03-15 Michael Matz <matz@suse.de>
3032 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3033 use it to expand block copies.
3034 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3035 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3036 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3038 2010-03-15 Richard Guenther <rguenther@suse.de>
3040 PR tree-optimization/43367
3041 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3044 2010-03-15 Richard Guenther <rguenther@suse.de>
3046 PR tree-optimization/43317
3047 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3049 2010-03-15 Martin Jambor <mjambor@suse.cz>
3051 PR tree-optimization/43141
3052 * tree-sra.c (create_abstract_origin): New function.
3053 (modify_function): Call create_abstract_origin.
3055 2010-03-15 Chris Demetriou <cgd@google.com>
3057 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3060 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3063 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3064 call insert_out_of_ssa_copy for default definitions.
3066 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3068 * graphite-clast-to-gimple.c (my_long_long): Defined.
3069 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3070 * graphite-sese-to-poly.c (my_long_long): Defined.
3071 (scop_ivs_can_be_represented): Use it.
3073 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3075 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3076 graphite-max-bbs-per-function, and loop-block-tile-size.
3077 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3079 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3081 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3083 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3084 forward declaration.
3085 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3086 (add_upper_bounds_from_estimated_nit): New.
3087 (build_loop_iteration_domains): Use it.
3089 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3091 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3093 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3096 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3097 should be an INTEGER_CST. Also handle CASE_CONVERT.
3099 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3101 * graphite.c (graphite_initialize): To bound the number of bbs per
3102 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3103 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3104 * doc/invoke.texi: Document it.
3106 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3108 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3109 * graphite-sese-to-poly.h (build_poly_scop): Same.
3111 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3113 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3114 the number of parameters in the scop. Use as an upper bound
3115 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3116 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3117 * doc/invoke.texi: Document it.
3119 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3121 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3122 * doc/c-tree.texi: Remove.
3123 * doc/generic.texi: Merge c-tree.texi here.
3124 * doc/gccint.texi (Trees): Remove menu entry.
3125 (c-tree.texi): Remove @include.
3126 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3127 * doc/languages.texi (Reading RTL): Ditto.
3129 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3132 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3134 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3137 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3138 code added to work around reload clobbering CONST insns.
3140 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3142 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3143 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3144 (cselib_preserve_only_values): Remove retain argument, don't
3145 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3146 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3147 * var-tracking.c (micro_operation): Move insn field before union.
3148 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3149 (struct variable_tracking_info_def): Remove n_mos field, change
3150 mos into a vector of micro_operations.
3151 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3152 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3153 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3154 changing into a vector.
3155 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3156 come before all other uops generated by add_stores.
3157 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3159 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3160 a vector. Run just one pass over the bbs instead of separate counting
3161 and computation phase.
3162 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3165 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3166 into *nonlocalized_list vector.
3167 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3168 even if origin is non-NULL.
3169 (gen_variable_die): Likewise.
3170 (process_scope_var): Don't change origin.
3171 (gen_decl_die): Likewise.
3172 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3173 before adding new edges instead of after it, fix moving over
3176 2010-03-11 David S. Miller <davem@davemloft.net>
3178 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3180 * configure: Rebuild.
3182 2010-03-11 Martin Jambor <mjambor@suse.cz>
3184 PR tree-optimization/43257
3185 * tree.c (assign_assembler_name_if_neeeded): New function.
3186 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3188 * tree.h (assign_assembler_name_if_neeeded): Declare.
3189 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3190 the function if needed.
3192 2010-03-11 Chris Demetriou <cgd@google.com>
3194 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3195 include/stdint-gcc.h, and include/stdint.h world-readable.
3197 2010-03-11 Richard Guenther <rguenther@suse.de>
3199 PR tree-optimization/43255
3200 * tree-vrp.c (process_assert_insertions_for): Do not insert
3201 asserts for trivial conditions.
3203 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3205 PR tree-optimization/43280
3206 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3207 generation. Move calculation of size out of the if branch.
3208 (find_bswap): Modify compare number generation.
3210 2010-03-11 Richard Guenther <rguenther@suse.de>
3213 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3214 (input_gimple_stmt): Fixup handled component types during
3215 operand read. Also fix up decls in ADDR_EXPRs.
3217 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3219 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3220 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3222 2010-03-10 Jan Hubicka <jh@suse.cz>
3225 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3226 * varasm.c (get_variable_section): Don't do that here...
3227 (make_decl_rtl): ... and here.
3228 (do_assemble_alias): Produce decl RTL.
3229 (assemble_alias): Likewise.
3231 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3234 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3235 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3237 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3238 (based_loc_descr): Only express drap or vdrap regno based expressions
3239 using DW_OP_fbreg when not optimizing.
3240 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3241 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3242 REG_CFA_SET_VDRAP note.
3244 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3246 PR tree-optimization/43236
3247 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3248 error in calculation of base address in reverse iteration case.
3249 (generate_builtin): Take number of latch executions if the statement
3252 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3255 * tree-eh.c: Include pointer-set.h.
3256 (lower_eh_dispatch): Filter out duplicate case labels and
3257 remove the unneeded edge when the label is unused. Return
3258 true when some edges are removed.
3259 (execute_lower_eh_dispatch): When any lowering resulted in
3260 removing an edge, also delete unreachable blocks.
3262 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3265 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3266 UNSPEC_MACHOPIC_OFFSET.
3268 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3271 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3272 (m68k_delegitimize_address): New function.
3274 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3277 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3280 * var-tracking.c (adjust_sets): New function.
3281 (count_with_sets, add_with_sets): Use it.
3282 (get_adjusted_src): New inline function.
3283 (add_stores): Use it.
3286 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3287 call cselib_dummy_expand_value_rtx_cb instead of
3288 cselib_expand_value_rtx_cb.
3291 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3292 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3293 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3294 and .cfi_endproc around the pic thunks.
3295 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3296 all queued unwind info register saves are saved before the call.
3297 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3298 considered as sp-=4 for unwind info and the pop as sp+=4 which
3299 also clobbers dest, but doesn't actually restore it.
3302 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3303 RTX_FRAME_RELATED_P.
3305 2010-03-09 Jie Zhang <jie@codesourcery.com>
3307 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3308 whitespaces in output template.
3310 2010-03-09 Jie Zhang <jie@codesourcery.com>
3312 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3315 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3317 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3318 builtins.exp in a separate job.
3320 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3322 * graphite-sese-to-poly.c (add_param_constraints): Use
3323 lower_bound_in_type and upper_bound_in_type.
3325 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3327 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3328 instead of unsigned_type_node.
3330 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3331 Reza Yazdani <reza.yazdani@amd.com>
3334 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3335 on pointer type parameters.
3337 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3341 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3342 handle conversions from pointer to integers.
3343 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3344 induction variable, to be able to work with code generated by CLooG.
3345 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3346 (build_poly_scop): Bail out if we cannot codegen a loop.
3348 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3350 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3351 code generation with gloog_error.
3353 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3355 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3356 Call fold_convert on all the returned values.
3357 (expand_scalar_variables_expr): Pass to
3358 expand_scalar_variables_ssa_name the type of the resulting expression.
3360 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3362 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3363 ppl_min_for_le_pointset.
3364 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3365 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3367 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3369 * graphite-dependences.c (map_into_dep_poly): Removed.
3370 (dependence_polyhedron_1): Use combine_context_id_scat.
3372 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3374 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3375 (struct poly_bb): Same.
3376 (combine_context_id_scat): New.
3378 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3381 * sese.c (name_defined_in_loop_p): Return false for default
3384 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3386 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3387 and clean up the logic.
3389 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3391 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3394 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3396 * var-tracking.c (remove_cselib_value_chains): Define only for
3398 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3399 delete_slot_part, emit_notes_for_differences_1): Don't call
3400 remove_cselib_value_chains here.
3401 (set_slot_part, emit_notes_for_differences_2): Don't call
3402 add_cselib_value_chains here.
3403 (preserved_values): New vector.
3404 (preserve_value): New function.
3405 (add_uses, add_stores, vt_add_function_parameters): Use it
3406 instead of cselib_preserve_value.
3407 (changed_values_stack): New vector.
3408 (check_changed_vars_0): New function.
3409 (check_changed_vars_1, check_changed_vars_2): Use it.
3410 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3411 changed_values_stack VALUEs.
3412 (vt_emit_notes): For all preserved_values call
3413 add_cselib_value_chains. If ENABLE_CHECKING call
3414 remove_cselib_value_chains before verifying value_chains is empty.
3415 Initialize and free changed_values_stack.
3416 (vt_initialize): Initialize preserved_values.
3417 (vt_finalize): Free preserved_values.
3419 2010-03-08 Richard Guenther <rguenther@suse.de>
3421 PR tree-optimization/43269
3422 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3425 2010-03-08 Martin Jambor <mjambor@suse.cz>
3427 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3428 (ipa_is_param_called): Removed.
3429 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3430 (ipa_print_node_params): Do not print the called flag.
3431 (ipa_write_node_info): Do not stream the called flag.
3432 (ipa_read_node_info): Likewise.
3434 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3437 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3438 * cselib.c (struct expand_value_data): Add dummy field.
3439 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3441 (cselib_dummy_expand_value_rtx_cb): New function.
3442 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3444 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3445 * var-tracking.c: Include pointer-set.h.
3446 (variable): Change n_var_parts to char from int. Add
3447 cur_loc_changed and in_changed_variables fields.
3448 (variable_canonicalize): Remove.
3449 (shared_var_p): New inline function.
3450 (unshare_variable): Maintain cur_loc_changed and
3451 in_changed_variables fields. If var was in changed_variables,
3452 replace it there with new_var. Just copy cur_loc instead of
3453 resetting it to something else.
3454 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3455 (dataflow_set_union): Don't call variable_canonicalize.
3456 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3457 of their DEBUG_EXPR_TREE_DECLs.
3458 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3459 and in_changed_variables and cur_loc_changed is false.
3460 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3461 and cur_loc_changed. Don't update cur_loc here.
3462 (variable_merge_over_src): Don't call variable_canonicalize.
3463 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3464 removing loc that is equal to cur_loc, clear cur_loc,
3465 set cur_loc_changed and ensure variable_was_changed is called.
3466 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3467 compare pointers in cur_loc check, if it is equal to loc,
3468 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3469 (variable_different_p): Remove compare_current_location argument,
3470 don't compare cur_loc.
3471 (dataflow_set_different_1): Adjust variable_different_p caller.
3472 (variable_was_changed): If dv had some var in changed_variables
3473 already, reset in_changed_variables flag for it and propagate
3474 cur_loc_changed over to the new variable. On empty var
3475 always set cur_loc_changed. Set in_changed_variables on whatever
3476 var is added to changed_variables.
3477 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3478 Use shared_var_p. When removing loc that is equal to cur_loc,
3479 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3480 end, don't set it to something else, just call variable_was_changed.
3481 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3482 loc being removed, clear cur_loc and set cur_loc_changed.
3483 Set cur_loc_changed if all locations have been removed.
3484 (struct expand_loc_callback_data): New type.
3485 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3486 allocated. Always create SUBREGs if simplify_subreg failed.
3487 Prefer to use cur_loc, when that fails and still in
3488 changed_variables (and seen first time) recompute it. Set
3489 cur_loc_changed of variables which had to change cur_loc and
3490 compute elcd->cur_loc_changed if any of the subexpressions used
3491 had to change cur_loc.
3492 (vt_expand_loc): Adjust to pass arguments in
3493 expand_loc_callback_data structure.
3494 (vt_expand_loc_dummy): New function.
3495 (emitted_notes): New variable.
3496 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3497 that weren't used for any other decl in current
3498 emit_notes_for_changes call call vt_expand_loc_dummy to update
3499 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3500 first loc_chain location if NULL before. Always use just
3501 cur_loc instead of first loc_chain location. When cur_loc_changed
3502 is false, when not --enable-checking=rtl just don't emit any note.
3503 When rtl checking, compute the note and assert it is the same
3504 as previous note. Clear cur_loc_changed and in_changed_variables
3505 at the end before removing from changed_variables.
3506 (check_changed_vars_3): New function.
3507 (emit_notes_for_changes): Traverse changed_vars to call
3508 check_changed_vars_3 on each changed var.
3509 (emit_notes_for_differences_1): Clear cur_loc_changed and
3510 in_changed_variables. Recompute cur_loc of new_var.
3511 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3512 (vt_emit_notes): Initialize and destroy emitted_notes.
3514 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3516 PR rtl-optimization/42220
3517 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3518 Use verify_reg_tracked to determine if we should use OP_OUT rather
3520 (build_def_use): If we see an in-out operand for a register that we
3521 know nothing about, treat is an output if possible, fail the block if
3524 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3527 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3530 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3533 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3534 uses of relevant DEFs that are dead outside the loop too.
3536 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3538 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3540 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3542 * var-tracking.c (values_to_unmark): New variable.
3543 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3544 values_to_unmark vector. Moved body to...
3545 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3546 instead queue it into values_to_unmark vector.
3547 (vt_find_locations): Free values_to_unmark vector.
3549 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3551 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3552 (site.exp): Export them when plugins are enabled.
3554 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3557 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3559 (chrec_fold_multiply): Same.
3561 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3564 * c-decl.c (build_compound_literal): Return early if init is
3567 2010-03-04 Martin Jambor <mjambor@suse.cz>
3569 PR tree-optimization/43164
3570 PR tree-optimization/43191
3571 * tree-sra.c (type_consists_of_records_p): Reject records with
3572 zero-size bit-fields at the end.
3574 2010-03-04 Mike Stump <mikestump@comcast.net>
3576 * Makefile.in (TAGS): Remove *.y.
3578 2010-03-04 Richard Guenther <rguenther@suse.de>
3580 PR tree-optimization/40761
3581 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3583 (my_rev_post_order_compute): New function.
3584 (init_pre): Call it.
3586 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3589 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3590 decrease the cost of an IV candidate when the cost is infinite.
3592 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3594 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3595 Use '3DNow!' for the extension of that name, ensure normal space
3597 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3599 2010-03-03 Jeff Law <law@redhat.com>
3601 * PR middle-end/32693
3602 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3603 than gen_rtx_SUBREG.
3604 (extract_bit_field_1): Likewise.
3606 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3608 * doc/sourcebuild.texi (Test directives): Document that arguments
3609 include-opts and exclude-opts are now optional for dg-skip-if,
3610 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3612 2010-03-03 Jason Merrill <jason@redhat.com>
3615 * cgraph.h (varpool_node): Add extra_name field.
3616 * varpool.c (varpool_extra_name_alias): New.
3617 (varpool_assemble_decl): Emit extra name aliases.
3618 (varpool_mark_needed_node): Look past an extra name alias.
3619 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3620 * lto-streamer-in.c (lto_input_tree): Read it.
3621 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3623 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3625 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3626 (sparc*-*-solaris2*): ...this.
3628 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3631 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3632 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3633 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3634 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3637 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3638 fallthrough to default handling, just with want_address 0 instead of 2.
3639 For single element lists, add_AT_loc directly, otherwise create an
3640 artificial variable DIE and stick location list to it.
3643 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3644 (VAL_EXPR_HAS_REVERSE): Define.
3645 (reverse_op): New function.
3646 (add_stores): For reversible operations add an extra MO_VAL_USE.
3648 2010-03-02 Jason Merrill <jason@redhat.com>
3650 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3652 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3654 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3655 (sparc64-*-linux*): Likewise.
3656 (sparc64-*-solaris2*): Include assembler files before linker ones.
3657 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3658 * config/sparc/gas.h: Delete.
3659 * config/sparc/sol2-64.h: Add copyright notice.
3660 * config/sparc/sol2-gas-bi.h: Likewise.
3661 * config/sparc/sol2-gld.h: Likewise.
3662 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3663 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3664 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3665 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3666 (sparc_elf_asm_named_section): Rename into...
3667 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3669 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3671 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3673 2010-03-02 Jeff Law <law@redhat.com>
3676 * reload1.c (rtx_p, substitute_stack): Declare.
3677 (substitute): Record addresses of changed rtxs.
3678 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3679 Restore the original rtx when complete.
3680 (reload): Free subsitute_stack when complete.
3682 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3684 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3685 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3687 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3688 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3689 Torture Tests): Change from subsection to section.
3691 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3692 Steven Bosscher <steven@gcc.gnu.org>
3694 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3697 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3700 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3701 the assignment from the new induction variable to the assignment
3702 of the value from the original loop PHI function.
3704 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3705 Daniel Jacobowitz <dan@codesourcery.com>
3707 * doc/sourcebuild.texi (Test directives): Clarify options to
3710 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3712 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3713 Disable cfi directives unless GCC and gas agree on using read-only
3714 .eh_frame sections for 64-bit.
3715 * configure: Regenerate.
3717 2010-03-01 Richard Guenther <rguenther@suse.de>
3719 PR tree-optimization/43220
3720 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3721 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3723 2010-03-01 Richard Guenther <rguenther@suse.de>
3724 Martin Jambor <mjambor@suse.cz>
3727 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3728 gimplified parameters.
3730 2010-03-01 Christian Bruel <christian.bruel@st.com>
3732 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3734 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3736 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3738 2010-03-01 Richard Guenther <rguenther@suse.de>
3741 * expr.c (expand_assignment): Use the alias-oracle to tell
3742 if the rhs aliases the result decl.
3744 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3747 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3748 to sol_gt_pch_get_address.
3749 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3750 64-bit, SPARC and x86.
3751 (sol_gt_pch_get_address): New function.
3753 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3755 * toplev.h (inform_n, error_n): Declare.
3756 * diagnostic.c (inform_n, error_n): New function.
3758 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3760 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3761 has no rtl yet when processing local_decls, queue it and recheck
3762 if deferred stack allocation hasn't assigned it rtl.
3764 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3766 * config/sh/sh.c (unspec_bbr_uid): New.
3767 (gen_block_redirect): Use it instead of INSN_UID.
3768 (gen_far_branch): Likewise.
3770 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3772 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3773 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3775 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3777 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3778 (Warning Options): -Wno-conversion-null is valid for
3779 Objective-C++ as well.
3780 * doc/tm.texi (Named Address Spaces): Likewise.
3781 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3782 * doc/tree-ssa.texi (Tree SSA): Likewise.
3784 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3787 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3788 by default. Don't set the default arch for
3789 i[34567]86-*-darwin*|x86_64-*-darwin*.
3791 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3794 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3795 default. Set the default 32bit/64bit archs with $with_arch
3796 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3798 2010-02-27 Richard Guenther <rguenther@suse.de>
3800 PR tree-optimization/43186
3801 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3802 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3803 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3804 unroller iterations.
3806 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3808 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3809 required and i[34567]86-*-* targets don't support 64bit ISA.
3811 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3814 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3817 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3819 * config.gcc: Set the default arch at least to Prescott for
3820 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3821 if SSE math is enabled.
3823 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3825 * diagnostic.c (diagnostic_initialize): Update.
3826 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3828 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3829 (diagnostic_inhibit_notes): New.
3830 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3832 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3835 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3836 * doc/standards.texi: Likewise.
3837 * doc/extend.texi: Likewise.
3838 * doc/trouble.texi: Likewise.
3839 * doc/cppopts.texi: Likewise.
3840 * doc/install.texi: Likewise.
3841 * c.opt (std=c90,std=gnu90): New options.
3842 * c-opts.c (c_common_handle_option): Handle them.
3844 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3847 * c-decl.c (undeclared_variable): Use an informative note.
3849 2010-02-26 Richard Guenther <rguenther@suse.de>
3851 PR tree-optimization/43186
3852 * gimple.h (gimple_fold): Remove.
3853 * gimple.c (gimple_fold): Remove. Inline into single user ...
3854 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3855 Try harder for conditions.
3857 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3860 * function.c (used_types_insert): Don't skip through named pointer
3861 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3862 and it is different from the main variant's type.
3864 2010-02-26 Nick Clifton <nickc@redhat.com>
3866 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3868 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3870 * config.gcc: Support --with-fpmath=sse for x86.
3872 * config/i386/ssemath.h: New.
3874 * doc/install.texi (--with-fpmath=sse): Documented.
3876 2010-02-26 Richard Guenther <rguenther@suse.de>
3878 PR tree-optimization/43188
3879 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3880 vector types of over-aligned element type.
3882 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3885 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3886 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3888 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3890 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3892 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3894 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3895 * var-tracking.c: Include diagnostic.h.
3896 (debug_dv): New function.
3897 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3900 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3901 (add_value_chain, add_value_chains, remove_value_chain,
3902 remove_value_chains): Handle DEBUG_EXPRs.
3903 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3906 * regcprop.c (struct queued_debug_insn_change): New type.
3907 (struct value_data_entry): Add debug_insn_changes field.
3908 (struct value_data): Add n_debug_insn_changes field.
3909 (debug_insn_changes_pool): New variable.
3910 (free_debug_insn_changes, apply_debug_insn_changes,
3911 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3912 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3913 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3915 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
3917 (copyprop_hardreg_forward_1): Don't call apply_change_group for
3918 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
3919 changes, call cprop_find_used_regs via note_stores.
3920 (copyprop_hardreg_forward): When copying vd from predecessor
3921 which has any queued DEBUG_INSN changes, make sure the pointers are
3922 cleared. At the end call df_analyze and then if there are any
3923 DEBUG_INSN changes queued at the end of some basic block for still
3924 live registers, apply them.
3925 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
3927 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
3929 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
3932 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
3934 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
3935 targets. Set the default with_cpu/with_arch from arch/cpu.
3936 Allow x86-64 and native for with_cpu/with_arch.
3938 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
3940 * ebitmap.c: Change calls to verify_popcount with calls to
3941 sbitmap_verify_popcount.
3942 (ebitmap_clear_bit): Fixed map->cacheindex test and
3943 map>cache update when bit clearing results in an empty
3946 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
3949 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
3950 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
3951 and support both V2DF and V2DI modes.
3952 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
3953 support both V2DF and V2DI modes.
3954 (general): Delete trailing whitespace from a few patterns.
3956 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
3957 V2DF/V2DI interleave high/low builtins.
3959 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
3962 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
3963 interleave high/low functions.
3965 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
3967 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
3968 #pragma extern_prefix.
3970 2010-02-25 Jakub Jelinek <jakub@redhat.com>
3973 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
3974 BLKmode, assert op0 is a MEM and just adjust its mode.
3977 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
3978 if bitpos isn't multiple of mode's bitsize.
3980 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
3982 * c.opt (-ftemplate-depth=): New.
3983 (-ftemplate-depth-): Deprecate.
3984 * optc-gen.awk: Handle -ftemplate-depth=.
3985 * opth-gen.awk: Likewise.
3986 * c-opts.c (c_common_handle_option): Likewise.
3987 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
3989 2010-02-24 Jason Merrill <jason@redhat.com>
3991 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
3993 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3995 * cfg.c (alloc_aux_for_block): Remove inline.
3996 (alloc_aux_for_edge): Likewise.
3998 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4000 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4002 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4004 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4005 * config/i386/sol2-gas.h: New file.
4006 * config.gcc (i[34567]86-*-solaris2*): Use it.
4008 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4011 * c-typeck.c (ep_convert_and_check): New.
4012 (build_conditional_expr): Use it.
4013 (build_binary_op): Likewise.
4015 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4017 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4020 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4021 bounds even for -O+.
4022 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4023 expr needs to have DECL_NAME set.
4025 2010-02-24 Nick Clifton <nickc@redhat.com>
4027 * config/mep/mep.c: Include gimple.h.
4028 (mep_function_uses_sp): Delete unused function.
4029 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4030 parameters. Use unsigned integers to count args. Return a
4031 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4033 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4036 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4037 greater or equal to nelt instead of 2 * nelt.
4038 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4041 2010-02-23 Jason Merrill <jason@redhat.com>
4044 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4045 in cfun->local_decls even if they have register types.
4048 * stor-layout.c (place_field): Don't warn about unnecessary
4049 DECL_PACKED if the type is packed.
4051 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4054 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4055 GOTOFF relocs, even when the base reg isn't pic pointer.
4057 2010-02-23 Michael Matz <matz@suse.de>
4060 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4061 (expand_gimple_basic_block): Generate and use debug temps if there
4062 are debug uses left after the last real use of TERed ssa names.
4063 Unlink debug immediate uses when they are expanded.
4065 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4068 * config/i386/i386.c (override_options): Reorganise to provide
4069 better error messages.
4071 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4074 * graphite-scop-detection.c (create_single_exit_edge): Move
4075 the call to find_single_exit_edge to....
4076 (create_sese_edges): ...here. Don't handle multiple edges
4077 exiting the function.
4078 (build_graphite_scops): Don't handle multiple edges
4079 exiting the function.
4081 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4084 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4085 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4087 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4090 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4092 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4095 * c-typeck.c (convert_arguments): Print declaration location.
4096 * c-common.c (validate_nargs): Rename as
4097 builtin_function_validate_nargs.
4098 (check_builtin_function_arguments): Update.
4100 2010-02-22 Richard Guenther <rguenther@suse.de>
4103 * tree-inline.c (declare_return_variable): Use the type of
4104 the call stmt lhs if available.
4106 2010-02-22 Duncan Sands <baldrick@free.fr>
4108 * passes.c (register_pass): Always consider all pass lists when
4109 ref_pass_instance_number is zero.
4111 2010-02-22 Richard Guenther <rguenther@suse.de>
4113 PR tree-optimization/42749
4114 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4115 parameter. Do arithmetic in the original type.
4116 (update_accumulator_with_ops): Likewise.
4117 (adjust_accumulator_values): Adjust.
4119 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4121 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4122 (QI to BLKmode splitter): New splitter.
4124 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4126 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4127 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4129 2010-02-22 Richard Guenther <rguenther@suse.de>
4131 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4133 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4135 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4136 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4137 ($(T)crti.o, $(T)crtn.o): Remove rules.
4139 2010-02-21 Tobias Burnus <burnus@net-b.de>
4142 * doc/invoke.texi (-fassociative-math): Document that this
4143 option is automatically enabled for Fortran.
4145 2010-02-20 David S. Miller <davem@davemloft.net>
4147 * configure.ac: Test if linker and assembler properly support
4148 GOTDATA_OP relocations.
4149 * configure: Rebuild.
4150 * config.in: Likewise.
4151 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4152 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4153 (movsi_high_pic): Likewise.
4154 (movdi_lo_sum_pic): Likewise.
4155 (movdi_high_pic): Likewise.
4156 (movsi_pic_gotdata_op): New pattern.
4157 (movdi_pic_gotdata_op): Likewise.
4158 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4159 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4161 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4164 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4165 attribute to ssemul.
4166 (xop_mulv2div2di3_high): Ditto.
4168 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4171 * c.opt (Wconversion-null): New option.
4172 * doc/invoke.texi (Wconversion-null): Document.
4174 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4176 * common.opt (Wlarger-than-): Add Undocumented.
4178 2010-02-19 Mike Stump <mikestump@comcast.net>
4180 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4182 2010-02-19 Jason Merrill <jason@redhat.com>
4185 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4186 * configure: Likewise.
4188 2010-02-20 Alan Modra <amodra@gmail.com>
4191 * cgraph.h (cgraph_make_decl_local): Declare.
4192 * cgraph.c (cgraph_make_decl_local): New function.
4193 (cgraph_make_node_local): Use it.
4194 * cgraphunit.c (cgraph_function_versioning): Likewise.
4195 * ipa.c (function_and_variable_visibility): Likewise.
4197 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4200 * except.c (sjlj_emit_function_enter): Don't call
4201 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4203 * rtl.h (add_reg_br_prob_note): Remove prototype.
4205 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4208 * c-common.c (conversion_warning): Remove widening conversions
4209 before checking the conversion of integers to reals.
4211 2010-02-19 Mike Stump <mikestump@comcast.net>
4214 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4217 * cgraphunit.c (process_function_and_variable_attributes): Check
4218 DECL_PRESERVE_P instead of looking up attribute "used".
4219 * ipa-pure-const.c (check_decl): Likewise.
4220 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4221 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4222 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4223 instead of attribute "used".
4224 * config/sol2-c.c (solaris_pragma_init): Likewise.
4225 (solaris_pragma_fini): Likewise.
4227 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4229 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4230 Use XCNEW instead of xcalloc.
4231 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4232 XNEW instead of xmalloc.
4233 (get_fields): Use XNEWVEC instead of xmalloc.
4236 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4237 populate vars array.
4238 (create_new_general_access): For debug stmts just reset value.
4239 (get_stmt_accesses): For accesses within debug stmts just record them
4240 using add_access_to_acc_sites instead of preventing the peeling or
4241 counting them as accesses.
4244 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4246 2010-02-19 Richard Guenther <rguenther@suse.de>
4248 PR tree-optimization/42916
4249 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4252 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4254 * configure.ac: Replace all uses of changequote in macro arguments
4255 with proper quoting.
4257 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4260 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4262 2010-02-19 Richard Guenther <rguenther@suse.de>
4264 PR tree-optimization/42944
4265 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4266 test for aliasing with errno.
4268 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4271 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4272 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4273 * dojump.c: Include output.h.
4274 (inv): New inline function.
4275 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4276 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4277 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4278 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4279 argument, pass it down to other calls.
4280 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4281 add REG_BR_PROB note to the conditional jump.
4282 * cfgexpand.c (add_reg_br_prob_note): Removed.
4283 (expand_gimple_cond): Don't call it, add the probability
4284 as last argument to jumpif_1/jumpifnot_1.
4285 * Makefile.in (dojump.o): Depend on output.h.
4286 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4288 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4289 * stmt.c (do_jump_if_equal): Likewise.
4290 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4291 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4292 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4294 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4295 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4296 jumpifnot_1 callers.
4297 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4299 (store_expr): Adjust jumpifnot caller.
4300 (store_constructor): Adjust jumpif caller.
4303 * gimplify.c (gimple_boolify): For __builtin_expect call
4304 gimple_boolify also on its first argument.
4306 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4308 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4310 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4311 * configure: Regenerated.
4313 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4315 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4316 lang_hooks.types_compatible_p instead of comptypes.
4318 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4320 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4321 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4322 if __prefer_thumb__ is defined.
4324 2010-02-18 Martin Jambor <mjambor@suse.cz>
4326 PR tree-optimization/43066
4327 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4328 array with zero-sized element type.
4330 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4332 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4333 rtx, allocate struct var_loc_node here and return it to the
4334 caller, and only if it is actually needed.
4335 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4336 move it earlier and return immediately if it returns NULL.
4338 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4340 * config/sparc/gas.h: New file. Restore
4341 TARGET_ASM_NAMED_SECTION to its ELF default.
4342 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4344 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4345 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4346 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4347 after sparc/sysv4.h.
4349 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4351 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4353 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4355 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4356 patterns from predicated pattern.
4358 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4361 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4362 for insn mnemonic suffix.
4364 2010-02-17 Richard Guenther <rguenther@suse.de>
4366 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4369 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4372 * caller-save.c (save_call_clobbered_regs): If BB ends with
4373 a DEBUG_INSN, move any notes in between last real insn and the last
4374 DEBUG_INSN after the last DEBUG_INSN.
4376 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4378 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4379 Fix return type. Fix argument type. Explain meaning of return value.
4381 2010-02-16 Richard Guenther <rguenther@suse.de>
4383 PR tree-optimization/41043
4384 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4385 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4387 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4389 2010-02-16 Ira Rosen <irar@il.ibm.com>
4391 PR tree-optimization/43074
4392 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4393 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4394 vectorizable cycles in hybrid SLP check.
4395 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4397 2010-02-16 Richard Guenther <rguenther@suse.de>
4399 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4400 (true_dependence): If memrefs_conflict_p computes must-alias
4401 trust it. Move TBAA check after offset-based disambiguation.
4402 (canon_true_dependence): Likewise.
4404 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4406 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4407 * doc/invoke.texi: Document it.
4408 * var-tracking.c: Include toplev.h and params.h.
4409 (vt_find_locations): Return bool indicating success. Compute
4410 hash sizes unconditionally. Check new parameter, report.
4411 (variable_tracking_main_1): Check vt_find_locations results and
4412 retry. Renamed from...
4413 (variable_tracking_main): ... this. New wrapper to preserve
4414 flag_var_tracking_assignments.
4415 * Makefile.in (var-tracking.o): Adjust dependencies.
4417 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4418 Jakub Jelinek <jakub@redhat.com>
4421 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4422 if weak_import attribute is present.
4423 * config/darwin.c (machopic_select_section): Likewise.
4425 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4427 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4428 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4429 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4430 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4432 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4434 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4437 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4438 Rewrite text to refer to the names.
4440 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4442 * config/i386/i386-builtin-types.def
4443 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4444 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4445 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4446 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4447 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4448 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4449 IX86_BUILTIN_VPERMIL2PS256.
4450 (MULTI_ARG_4_DF2_DI_I): Defined.
4451 (MULTI_ARG_4_DF2_DI_I1): Defined.
4452 (MULTI_ARG_4_SF2_SI_I): Defined.
4453 (MULTI_ARG_4_SF2_SI_I1): Defined.
4454 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4455 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4456 __builtin_ia32_vpermil2ps256.
4457 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4458 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4459 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4460 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4461 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4462 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4463 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4464 CODE_FOR_xop_vpermil2v8sf3.
4465 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4466 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4467 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4468 (_mm256_permute2_pd): New.
4469 (_mm_permute2_ps): New.
4470 (_mm256_permute2_ps): New.
4472 2010-02-15 Nick Clifton <nickc@redhat.com>
4474 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4475 boolean parameters. Use emit_jump_insn when emitting a pop
4476 instruction containing a return insn.
4477 (push): Use 'true' rather than '1' as second parameter to F.
4478 (h8300_expand_prologue): Likewise.
4479 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4480 (h8300_expand_epilogue): Likewise.
4482 2010-02-15 Richard Guenther <rguenther@suse.de>
4485 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4488 2010-02-15 Nick Clifton <nickc@redhat.com>
4490 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4493 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4495 * intl.c (fake_ngettext): New function.
4496 * intl.h (fake_ngettext): Declare.
4497 (ngettext): Define macro.
4498 * collect2.c (notice_translated): New function.
4499 (main): Use notice_translated and ngettext.
4500 * collect2.h (notice_translated): Declare.
4502 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4504 * reorg.c (delete_computation): Comment fixes.
4505 * caller-save.c (setup_save_areas): Idem.
4506 * sel-sched-dump.c (dump_lv_set): Idem.
4509 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4511 * config/s390/s390.c (s390_sched_init): New function.
4512 (TARGET_SCHED_INIT): Target hook defined.
4514 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4515 Jack Howarth <howarth@bromo.med.uc.edu>
4516 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4519 Partial revert of unintended change in fix for PR41605.
4520 * config/darwin.h: Fix typo.
4521 * config/darwin9.h: Same.
4523 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4525 * c-pch.c (pch_init): Clear v.
4527 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4530 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4531 graphite_can_represent_init for MULT_EXPR.
4533 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4537 * graphite-sese-to-poly.c (remove_phi): New.
4538 (translate_scalar_reduction_to_array): Call remove_phi.
4540 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4543 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4544 * graphite-clast-to-gimple.h (gloog): Update declaration.
4545 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4546 * graphite-poly.h (struct poly_bb): Add missing comments.
4547 (struct scop): Add poly_scop_p field.
4549 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4550 * graphite.c (graphite_transform_loops): Build the polyhedral
4551 representation for each scop before code generation.
4552 * sese.c (rename_variables_in_operand): Removed.
4553 (rename_variables_in_expr): Return the renamed expression.
4554 (rename_sese_parameters): New.
4555 * sese.h (rename_sese_parameters): Declared.
4557 2010-02-11 Richard Guenther <rguenther@suse.de>
4559 PR tree-optimization/42998
4560 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4561 POINTER_PLUS_EXPR properly.
4563 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4564 Changpeng Fang <changpeng.fang@amd.com>
4567 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4568 the cost of an IV candidate when the IV is used in a test against zero.
4570 * gcc.dg/tree-ssa/ivopts-3.c: New.
4572 2010-02-11 Richard Guenther <rguenther@suse.de>
4575 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4576 pointer-vs-decl case by swapping refs. Handle some cases
4577 of pointer-vs-decl disambiguations more conservatively.
4578 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4579 to false after expanding.
4581 2010-02-11 Richard Guenther <rguenther@suse.de>
4584 * gcc.c (process_command): Handle LTO file@offset case more
4587 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4589 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4590 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4592 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4594 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4595 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4596 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4597 Optimize eq/ne comparisons when both arguments are known to be
4599 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4600 Don't mask operands unnecessarily if they are known to be already
4603 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4605 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4608 2010-02-10 Richard Guenther <rguenther@suse.de>
4610 PR tree-optimization/43017
4611 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4612 for wrapping signed arithmetic.
4614 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4617 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4618 if no debug info should be emitted for it.
4620 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4622 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4623 note when flag_exceptions is set.
4625 2010-02-10 Duncan Sands <baldrick@free.fr>
4627 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4629 2010-02-10 Richard Guenther <rguenther@suse.de>
4632 * tree.c (get_unwidened): Handle constants.
4633 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4635 2010-02-10 Martin Jambor <mjambor@suse.cz>
4638 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4639 check for variable argument counts independently.
4641 2010-02-10 Christian Bruel <christian.bruel@st.com>
4644 * config/sh/sh.c (find_barrier): Increase length for non delayed
4645 conditional branches.
4647 2010-02-10 Christian Bruel <christian.bruel@st.com>
4649 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4651 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4653 * builtins.c (set_builtin_user_assembler_name): Also handle
4654 ffs if int is smaller than word.
4656 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4659 * ira-conflicts.c (get_dup): Remove.
4660 (process_reg_shuffles): Add new parameter. Use it as an
4661 additional guard for copy generation.
4662 (add_insn_allocno_copies): Rewrite.
4664 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4666 * common.opt (fsched2-use-traces): Preserved for backward
4668 * doc/invoke.texi: Remove the documentation about option
4669 -fsched2-use-traces.
4670 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4671 flag_sched2_use_traces.
4672 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4673 the backward compatibility flag section.
4675 2010-02-09 Richard Guenther <rguenther@suse.de>
4677 PR tree-optimization/43008
4678 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4679 make HEAP variables initialized from global memory if they
4680 are not known builtin functions.
4681 (find_func_aliases): Adjust.
4683 2010-02-09 Richard Guenther <rguenther@suse.de>
4685 PR tree-optimization/43000
4686 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4687 arithmetic manually.
4689 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4691 PR tree-optimization/42931
4692 * tree-loop-linear.c (try_interchange_loops): Don't call
4693 double_int_mul if estimated_loop_iterations failed.
4695 2010-02-08 Martin Jambor <mjambor@suse.cz>
4698 * tree-sra.c (build_accesses_from_assign): Do not mark in
4699 should_scalarize_away_bitmap if stmt has volatile ops.
4700 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4703 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4705 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4707 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4709 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4712 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4715 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4717 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4720 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4721 to unknown_dependence.
4722 (graphite_legal_transform_dr): Handle the unknown_dependence.
4723 (graphite_carried_dependence_level_k): Same.
4725 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4727 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4729 2010-02-07 Richard Guenther <rguenther@suse.de>
4732 * expr.c (get_inner_reference): Always initialize *pbitsize.
4734 2010-02-07 Richard Guenther <rguenther@suse.de>
4737 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4738 new ARRAY_REFs on variable size element or minimal index arrays.
4740 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4741 gimple_fold_indirect_ref.
4743 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4746 * arm.c (arm_override_options): Just return if the user has specified
4747 an invalid fpu name.
4749 2010-02-03 Jason Merrill <jason@redhat.com>
4752 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4753 i386_pe_maybe_record_exported_symbol.
4755 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4758 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4759 (pa_delegitimize_address): New function.
4761 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4763 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4764 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4766 2010-02-05 Richard Guenther <rguenther@suse.de>
4769 * lto-streamer-in.c (get_resolution): Deal with references
4770 to undefined functions.
4772 2010-02-05 Richard Guenther <rguenther@suse.de>
4774 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4775 (fold_const_aggregate_ref): Likewise.
4776 (ccp_fold_stmt): Substitute loads.
4777 (maybe_fold_reference): Verify types before substituting.
4779 (fold_gimple_assign): Unshare properly.
4780 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4782 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4784 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4785 for rs6000_gen_cell_microcode.
4787 2010-02-04 Richard Guenther <rguenther@suse.de>
4789 PR rtl-optimization/42952
4790 * dse.c (const_or_frame_p): Remove MEM handling.
4792 2010-02-04 Nick Clifton <nickc@redhat.com>
4794 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4795 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4796 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4797 (mn10300_asm_output_mi_thunk): New function.
4798 (mn10300_can_output_mu_thunk): New function.
4799 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4800 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4801 (FUNCTION_ARG): Delete incorrect comment.
4803 2010-02-03 Jason Merrill <jason@redhat.com>
4806 * fold-const.c (operand_equal_p): Handle erroneous types.
4808 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4810 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4812 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4814 PR rtl-optimization/42941
4815 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4818 2010-02-03 Jason Merrill <jason@redhat.com>
4821 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4823 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4826 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4827 (cselib_reset_table): Renamed from...
4828 (cselib_reset_table_with_next_value): ... this.
4829 (cselib_get_next_uid): Renamed from...
4830 (cselib_get_next_unknown_value): ... this.
4831 * cselib.c (next_uid): Renamed from...
4832 (next_unknown_value): ... this.
4833 (cselib_clear_table): Adjust.
4834 (cselib_reset_table): Adjust. Renamed from...
4835 (cselib_reset_table_with_next_value): ... this.
4836 (cselib_get_next_uid): Adjust. Renamed from...
4837 (cselib_get_next_unknown_value): ... this.
4838 (get_value_hash): Use hash.
4839 (cselib_hash_rtx): Likewise.
4840 (new_cselib_val): Adjust. Set and dump uid.
4841 (cselib_lookup_mem): Pass next_uid as hash.
4842 (cselib_subst_to_values): Likewise.
4843 (cselib_log_lookup): Dump uid.
4844 (cselib_lookup): Pass next_uid as hash. Adjust.
4845 (cselib_process_insn): Adjust.
4846 (cselib_init): Initialize next_uid.
4847 (cselib_finish): Adjust.
4848 (dump_cselib_table): Likewise.
4849 * dse.c (canon_address): Dump value uid.
4850 * print-rtl.c (print_rtx): Print value uid.
4851 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4853 (dv_uid): New function, sort of renamed from...
4854 (dv_htab_hash): ... this, reimplemented in terms of it and...
4855 (dv_uid2hash): ... this. New.
4856 (variable_htab_eq): Drop excess assertions.
4857 (tie_break_pointers): Removed.
4858 (canon_value_cmp): Compare uids.
4859 (variable_post_merge_New_vals): Print uids.
4860 (vt_add_function_parameters): Adjust.
4861 (vt_initialize): Reset table. Adjust.
4863 2010-02-03 Richard Guenther <rguenther@suse.de>
4865 PR tree-optimization/42944
4866 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4867 (call_may_clobber_ref_p_1): Likewise. Properly handle
4868 malloc and calloc clobbering errno.
4870 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4872 * doc/invoke.texi: Fix name of sched1 dump.
4874 * opts.c (decode_options): Set flag_tree_switch_conversion
4875 only conditionally on optimize >= 2.
4877 * gcse.c: Assorted comment fixes in pass description.
4879 2010-02-03 Anthony Green <green@moxielogic.com>
4881 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4882 nop padding in order to maintain alignment of storage location of
4883 target function address.
4884 (moxie_trampoline_init): Store target function address at newly
4886 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4888 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4890 2010-02-03 Richard Guenther <rguenther@suse.de>
4893 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4895 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4897 * config.gcc: Reenable check for obsolete targets.
4898 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4899 mips-sgi-irix6.[0-4]*.
4901 2010-02-02 Nick Clifton <nickc@redhat.com>
4903 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4904 constant size of 4 as being the same as 0.
4905 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4906 can take values in the range 0..4.
4908 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4911 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4912 as _darwin10_Unwind_FindEnclosingFunction().
4913 * libgcc-libsystem.ver: New.
4915 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
4918 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
4919 implicitly set registers.
4921 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
4923 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
4924 (arm_override_options): Allow automatic selection of the thread
4925 pointer register if thumb2.
4926 (legitimize_pic_address): Improve code sequences for Thumb2.
4927 (arm_call_tls_get_addr): Likewise.
4928 (legitimize_tls_address): Likewise.
4929 * arm.md (pic_load_addr_arm): Delete. Replace with ...
4930 (pic_load_addr_32bit): ... this. New named pattern.
4931 * thumb2.md (pic_load_addr_thumb2): Delete.
4932 (pic_load_dot_plus_four): Delete.
4933 (tls_load_dot_plus_four): New named pattern.
4935 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4938 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
4939 Document fix for TLS bug.
4941 2010-01-31 Richard Guenther <rguenther@suse.de>
4943 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
4944 conservatively correct.
4946 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4950 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4952 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
4954 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4956 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
4958 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
4960 * config.gcc: Adjust order of makefile fragments for mingw targets.
4962 2010-01-31 Richard Guenther <rguenther@suse.de>
4965 * gimplify.c (gimplify_init_constructor): For volatile LHS
4966 initialize a temporary.
4968 2010-01-31 Matthias Klose <doko@ubuntu.com>
4970 * configure.ac: Fix __stack_chk_fail check for cross builds configured
4972 * configure: Regenerate.
4974 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
4976 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4977 the same alias set and their sizes different constantness.
4978 (aliasing_component_refs_p): Revert 2009-10-24 change.
4980 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4982 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
4985 2010-01-29 Richard Guenther <rguenther@suse.de>
4987 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
4988 Assert we successfully updated the call.
4990 2010-01-29 Jakub Jelinek <jakub@redhat.com>
4992 PR rtl-optimization/42889
4993 * df.h (df_set_bb_dirty_nonlr): New prototype.
4994 * df-core.c (df_set_bb_dirty_nonlr): New function.
4995 * df-scan.c (df_insn_rescan): Call it instead of
4996 df_set_bb_dirty for DEBUG_INSNs.
4998 2010-01-29 Richard Guenther <rguenther@suse.de>
5001 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5002 quadratic behavior in most cases.
5004 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5007 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5008 in the call to gen_x86_movsicc_0_m1.
5010 2010-01-28 Richard Guenther <rguenther@suse.de>
5012 PR tree-optimization/42871
5013 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5015 2010-01-28 Richard Guenther <rguenther@suse.de>
5017 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5018 into call arguments.
5020 2010-01-28 Richard Guenther <rguenther@suse.de>
5023 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5024 the forwarder if the destination is an EH landing pad.
5026 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5028 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5029 block list passed to gimple_duplicate_sese_tail.
5030 (parallelize_loops): Avoid parallelization when the function
5032 Avoid parallelization when the preheader is IRREDUCIBLE.
5033 Try to optimize when estimated_loop_iterations_int is unresolved.
5034 Add the loop's location to the dump file.
5035 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5036 (gimple_duplicate_sese_tail): Remove the check for the latch.
5037 Redirect nexits to the exit block.
5038 Remove handling of the incoming edges to the latch.
5039 Redirect the backedge from the copied latch to the exit bb.
5041 2010-01-28 Michael Matz <matz@suse.de>
5044 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5045 Wrap force_reg into a sequence, emit it before user.
5047 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5049 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5051 (arm_legacy_rev): Likewise.
5052 (thumb_legacy_rev): Likewise.
5054 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5056 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5057 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5058 on MEM's address failed, try avoid_constant_pool_reference and
5059 recurse if it returned something different.
5060 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5061 address, try avoid_constant_pool_reference and recurse if it
5062 returned something different.
5063 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5064 address and avoid_constant_pool_reference returned something
5065 different, don't set have_address.
5067 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5070 * var-tracking.c (val_store): Add modified argument, obey it.
5072 (count_uses): Move down logging of main.
5073 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5074 don't need resolution.
5075 (emit_notes_in_bb): Likewise.
5077 2010-01-27 Richard Guenther <rguenther@suse.de>
5080 * tree-inline.c (remap_decl): Delay remapping of SSA name
5081 default definitions until we need them.
5083 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5085 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5086 (rs6000_delegitimize_address): New function.
5088 * config/s390/s390.c (s390_delegitimize_address): Call
5089 delegitimize_mem_from_attrs.
5092 * tree-inline.c (cannot_copy_type_1): Removed.
5093 (copy_forbidden): Don't forbid copying of functions containing
5094 records/unions with variable length fields.
5096 2010-01-27 Christian Bruel <christian.bruel@st.com>
5100 * config/sh/sh.c (find_barrier): Increase length for non delayed
5101 conditional branches.
5103 2010-01-27 Matthias Klose <doko@ubuntu.com>
5105 * configure.ac (gnu-unique-object): Fix ldd version check.
5106 * configure: Regenerate.
5108 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5110 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5112 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5113 Test for HAVE_GNU_AS value.
5115 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5117 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5118 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5119 INT64_TYPE): Define.
5120 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5121 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5122 INT_LEAST64_TYPE): Define.
5123 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5124 UINT_LEAST64_TYPE): Define.
5125 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5126 INT_FAST64_TYPE): Define.
5127 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5128 UINT_FAST64_TYPE): Define.
5129 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5130 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5131 (SIG_ATOMIC_TYPE): Define.
5133 2010-01-26 Richard Guenther <rguenther@suse.de>
5135 * df-scan.c (df_scan_set_bb_info): Remove assert.
5136 (df_insn_rescan_debug_internal): Merge asserts.
5137 (df_install_ref): Likewise.
5138 (df_mark_reg): Use bitmap_set_range.
5139 (df_hard_reg_used_p): Remove assert.
5140 (df_hard_reg_used_count): Likewise.
5142 2010-01-26 Richard Guenther <rguenther@suse.de>
5144 PR rtl-optimization/42685
5145 * web.c (web_main): Ignore DEBUG_INSNs.
5147 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5149 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5151 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5152 Fix types of fndecl and arglist parameters.
5154 2010-01-26 Richard Guenther <rguenther@suse.de>
5157 * tree-eh.c (unsplit_eh): Skip debug insns.
5159 2010-01-26 Richard Guenther <rguenther@suse.de>
5161 PR tree-optimization/42250
5162 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5164 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5167 * omp-low.c (expand_omp_sections): Only use single_pred if
5168 l2_bb is single_pred_p.
5170 2010-01-25 Christian Bruel <christian.bruel@st.com>
5173 * config/sh/sh.c (find_barrier): Increase length for non delayed
5174 conditional branches.
5175 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5177 2010-01-24 David S. Miller <davem@davemloft.net>
5179 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5180 define if not using GAS.
5181 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5182 Likewise. Delete SECTION_MERGE code, which is only applicable
5185 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5188 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5189 mangling of va_list in system headers.
5191 2010-01-23 Toon Moene <toon@moene.org>
5193 * tree-predcom.c (combine_chains): Return NULL, not false.
5195 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5197 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5198 initialization of variable res to agree with return type.
5200 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5202 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5203 * tree-sra.c: Add include of expr.h.
5205 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5207 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5208 insert the debug stmt on the single non-EH edge from the stmt.
5210 2010-01-22 Richard Henderson <rth@redhat.com>
5213 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5214 the RHS until after generate_subtree_copies has insertted its
5215 code before the current statement.
5217 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5219 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5221 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5223 2010-01-21 Martin Jambor <mjambor@suse.cz>
5225 PR tree-optimization/42585
5226 * tree-sra.c (struct access): New field grp_total_scalarization.
5227 (dump_access): Dump the new field.
5228 (should_scalarize_away_bitmap): New variable.
5229 (cannot_scalarize_away_bitmap): Likewise.
5230 (sra_initialize): Allocate new bitmaps.
5231 (sra_deinitialize): Free new bitmaps.
5232 (create_access_1): New function.
5233 (create_access): Parts moved to create_access_1.
5234 (type_consists_of_records_p): New function.
5235 (completely_scalarize_record): Likewise.
5236 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5237 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5238 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5240 (analyze_all_variable_accesses): Completely scalarize small eligible
5243 2010-01-21 Martin Jambor <mjambor@suse.cz>
5245 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5247 2010-01-21 Andrew Haley <aph@redhat.com>
5249 * gcc.c (process_command): Move lang_specific_driver before
5250 setting cc_libexec_prefix.
5252 2010-01-21 Richard Guenther <rguenther@suse.de>
5255 * fold-const.c (negate_expr_p): Pretend only negative
5256 real constants are easily negatable.
5258 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5259 Jason Merrill <jason@redhat.com>
5261 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5262 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5263 * calls.c (initialize argument_information): Handle it.
5264 * c-common.c (handle_transparent_union_attribute): Use new name.
5265 * c-decl.c (finish_struct): Ditto.
5266 * c-typeck.c (type_lists_compatible_p): Ditto.
5267 (convert_for_assignment): Use new name and also handle record.
5268 * function.c (aggregate_value_p): Handle it.
5269 (pass_by_reference): Ditto.
5270 (assign_parm_data_types): Ditto.
5271 * print-tree.c (print_node): Ditto.
5272 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5273 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5274 * tree.c (first_field): New fn.
5276 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5279 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5280 even when linking statically, for now.
5282 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5285 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5286 without a cselib val.
5287 (count_uses): Accept MO_VAL_SET with no val on stores.
5288 (add_stores): Likewise.
5290 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5292 * var-tracking.c (check_value_val): Add a compile time assertion.
5293 (dv_is_decl_p): Simplify.
5294 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5295 gcc_assert if ENABLE_CHECKING.
5297 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5300 * var-tracking.c: Include tree-flow.h.
5301 (mem_dies_at_call): New.
5302 (dataflow_set_preserve_mem_locs): Use it.
5303 (dataflow_set_remove_mem_locs): Likewise.
5304 (dump_var): Renamed from dump_variable. Adjust all callers.
5305 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5306 * Makefile.in (var-tracking.o): Adjust deps.
5308 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5310 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5312 2010-01-20 Richard Guenther <rguenther@suse.de>
5314 PR tree-optimization/42717
5315 * tree-ssa-dce.c (get_live_post_dom): Remove.
5316 (forward_edge_to_pdom): Take an arbitrary edge to copy
5317 degenerate PHI args from.
5318 (remove_dead_stmt): Use the first post-dominator even if it
5319 does not contain live statements as redirection destination.
5321 2010-01-20 Richard Guenther <rguenther@suse.de>
5323 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5325 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5327 * sel-sched.c (create_speculation_check): Remove set but not used
5329 (try_transformation_cache): Remove set but not used variable ds.
5330 (calculate_privileged_insns): Remove set but not used variables
5331 cur_insn and min_spec_insn.
5332 (find_best_expr): Remove set but not used variable avail_n.
5333 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5335 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5337 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5338 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5341 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5344 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5345 cpu types. Add support for *-sse3 cpu types.
5346 (x86_64-*-*): Ditto.
5348 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5351 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5352 argument, call initializer_constant_valid_p_1 instead of
5353 initializer_constant_valid_p, pass CACHE to it, return NULL
5354 immediately if first call returns NULL.
5355 (initializer_constant_valid_p_1): New function.
5356 (initializer_constant_valid_p): Use it.
5358 2010-01-20 Thomas Quinot <quinot@adacore.com>
5360 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5362 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5364 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5365 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5366 (loc_list_from_tree): Don't handle unsigned division. Handle
5367 signed modulo using DW_OP_{over,over,div,mul,minus}.
5368 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5369 modulo instead of signed.
5371 2010-01-20 DJ Delorie <dj@redhat.com>
5373 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5375 (h8300_emit_stack_adjustment): Propogate it.
5377 (h8300_expand_prologue): Likewise.
5378 (h8300_expand_epilogue): Likewise.
5380 2010-01-19 Michael Matz <matz@suse.de>
5382 PR tree-optimization/41783
5383 * tree-data-ref.c (toplevel): Include flags.h.
5384 (dump_data_dependence_relation): Also dump the inputs if the
5385 result will be unknown.
5386 (split_constant_offset_1): Look through some conversions.
5387 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5388 the offset from last element is too large.
5389 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5390 (reassociate_to_the_same_stmt): Handle vector registers.
5391 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5393 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5394 wide_prolog_niters argument, emit widening instructions.
5395 (vect_do_peeling_for_alignment): Adjust caller, use widened
5396 variant of the iteration cound.
5397 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5399 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5402 * config/arm/neon-testgen.m (emit_automatics): New parameter
5403 features. Adjust for Fixed_return_reg feature.
5404 (test_intrinsic): Call emit_automatics with new feature.
5405 * config/arm/neon.ml: Update copyright years.
5406 (features): New Fixed_return_reg feature.
5407 (ops): Update feature for Vget_low.
5409 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5411 PR tree-optimization/42719
5412 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5416 * fwprop.c (all_uses_available_at): Return false if def_set dest
5417 is a REG that is used in def_insn.
5419 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5421 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5423 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5426 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5428 * target.h (struct gcc_target) <secondary_reload>: Change type
5429 of last argument to secondary_reload_info *.
5431 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5434 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5435 memory references with unaligned offsets. Remove CQImode handling.
5436 (unaligned_memory_operand): Return 1 for memory references with
5437 unaligned offsets. Remove CQImode handling.
5439 2010-01-18 Richard Guenther <rguenther@suse.de>
5442 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5445 2010-01-18 Richard Guenther <rguenther@suse.de>
5447 PR tree-optimization/42781
5448 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5449 restrict processing only if the original variable was artificial.
5451 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5453 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5454 find number of popped argument bytes.
5456 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5457 Fix the text that describes the return value for invalid insns.
5459 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5461 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5462 Clarify what 'cost of the -dependence' is. Fix quoting.
5464 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5465 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5467 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5469 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5470 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5472 2010-01-17 Richard Guenther <rguenther@suse.de>
5475 * function.c (split_complex_args): Take a VEC to modify.
5476 (assign_parms_augmented_arg_list): Build a VEC instead of
5477 a chain of PARM_DECLs.
5478 (assign_parms_unsplit_complex): Take a VEC of arguments.
5479 Do not fixup unmodified parms.
5480 (assign_parms): Deal with the VEC.
5481 (gimplify_parameters): Likewise.
5483 2010-01-17 Richard Guenther <rguenther@suse.de>
5485 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5486 node existence check.
5487 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5488 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5489 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5490 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5491 (gimple_execute_on_growing_pred): Likewise.
5493 2010-01-17 Richard Guenther <rguenther@suse.de>
5495 PR tree-optimization/42773
5496 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5497 (compute_antic_aux): Likewise.
5498 (compute_partial_antic_aux): Likewise.
5500 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5503 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5506 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5508 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5511 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5512 Fix markup for strict argument.
5514 (TARGET_SCHED_REORDER2): Fix argument types.
5516 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5517 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5519 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5520 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5522 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5525 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5526 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5527 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5528 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5529 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5531 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5533 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5535 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5536 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5538 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5540 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5543 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5545 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5546 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5548 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5550 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5552 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5553 referring to it. Fix language.
5555 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5557 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5559 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5561 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5563 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5564 '@var{stream}. Remove stray 'and'.
5566 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5568 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5570 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5572 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5573 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5575 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5576 Fix description of return value.
5577 Rename argument "sz" to "len."
5579 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5580 Clarify meaning of 'true' return value.
5582 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5584 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5585 rep_mode versus mode_rep.
5587 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5589 (TARGET_BUILTIN_DECL): Fix name.
5591 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5593 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5595 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5597 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5599 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5601 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5604 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5605 Rename argument tm_fn to md_fn.
5607 (TARGET_OPTION_PRINT): Fix argument list.
5609 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5612 * config/i386/i386.c (ix86_fixup_binary_operands):
5613 Revert FMA4 fixup of operands.
5615 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5618 * Makefile.in (write_entries_to_file, install-plugin):
5619 Use \012 instead of \n with tr.
5621 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5623 * configure.ac (HAVE_AS_REF): New C macro.
5624 * configure: Regenerate.
5625 * config.in: Likewise.
5626 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5628 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5631 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5633 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5635 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5637 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5639 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5641 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5643 (TARGET_BINDS_LOCAL_P): Fix argument type.
5645 (TARGET_ASM_FILE_END): Use prototype.
5647 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5649 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5651 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5653 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5655 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5656 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5658 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5659 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5661 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5662 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5663 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5664 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5666 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5668 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5670 (TARGET_INIT_BUILTINS): Use prototype.
5672 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5673 Put 'const char *' in braces. Fix parameter types.
5674 (TARGET_INVALID_CONVERSION): Fix parameter types.
5675 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5676 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5678 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5681 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5683 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5685 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5687 * doc/tm.texi (TARGET_HELP): Fix return type.
5689 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5690 in braces. Fix argument types.
5692 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5694 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5696 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5698 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5699 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5701 (TARGET_MANGLE_TYPE): Fix argument types.
5703 (TARGET_IRA_COVER_CLASSES): Use prototype.
5705 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5707 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5709 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5711 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5713 (TARGET_CALLEE_COPIES): Fix argument types.
5715 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5717 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5719 (TARGET_FUNCTION_VALUE): Fix argument types.
5721 (TARGET_RETURN_IN_MSB): Fix argument type.
5723 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5725 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5727 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5729 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5730 agree with return type.
5732 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5734 2010-01-15 Jing Yu <jingyu@google.com>
5736 PR rtl-optimization/42691
5737 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5738 a pseudo to a constant and are merged, and adjust comments.
5740 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5742 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5744 2010-01-15 Richard Guenther <rguenther@suse.de>
5747 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5748 labels of computed or non-local gotos to the destination.
5749 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5750 landing pad label is the first label.
5752 2010-01-15 Richard Guenther <rguenther@suse.de>
5754 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5756 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5759 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5760 to allow generation of the xssqrtdp instruction on power7.
5761 (sqrtdf2_fpr): Ditto.
5763 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5766 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5767 functions with noreturn attribute.
5770 * varasm.c (declare_weak): Add weak attribute to decl if it
5771 doesn't have one already.
5772 (assemble_external): Only add decls to weak_decls if they also
5773 have weak attribute.
5775 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5777 * var-tracking.c (var_reg_delete): Don't delete the association
5778 between REGs and values or one-part variables if the register
5781 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5784 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5785 because its first operand is a non-localized variable.
5787 2010-01-14 Martin Jambor <mjambor@suse.cz>
5789 PR tree-optimization/42706
5790 * tree-sra.c (encountered_recursive_call): New variable.
5791 (encountered_unchangable_recursive_call): Likewise.
5792 (sra_initialize): Initialize both new variables.
5793 (callsite_has_enough_arguments_p): New function.
5794 (scan_function): Call decl and flags check only for IPA-SRA, check
5795 whether there is a recursive call and whether it has enough arguments.
5796 (all_callers_have_enough_arguments_p): New function.
5797 (convert_callers): Look for recursive calls only when
5798 encountered_recursive_call is set.
5799 (ipa_early_sra): Bail out either if
5800 !all_callers_have_enough_arguments_p or
5801 encountered_unchangable_recursive_call.
5803 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5805 * sel-sched.c: Add 2010 to copyright years.
5806 * sel-sched-ir.c: Likewise.
5807 * sel-sched-ir.h: Likewise.
5809 2010-01-14 Martin Jambor <mjambor@suse.cz>
5811 PR tree-optimization/42714
5812 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5813 constructors specially.
5815 2010-01-14 Andi Kleen <ak@linux.intel.com>
5817 * config/i386/drivers-i386.c (detect_caches_intel):
5818 Add l2sizekb parameter and fill in.
5819 (host_detect_local_cpu): Add l2sizekb, fill in.
5820 Add Atom small cache heuristic.
5822 2010-01-14 Andi Kleen <ak@linux.intel.com>
5824 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5825 Add level3 parameter and fill in.
5826 (detect_caches_intel): Handle level3 cache.
5828 2010-01-14 Andi Kleen <ak@linux.intel.com>
5830 * config/i386/drivers-i386.c (host_detect_local_cpu):
5831 Fix core duo detection.
5833 2010-01-14 Andi Kleen <ak@linux.intel.com>
5835 * config/i386/drivers-i386.c (host_detect_local_cpu):
5838 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5840 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5841 (rs6000_variable_issue_1): this. Use...
5842 (rs6000_variable_issue): here. Reimplement. Print debug info.
5844 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5846 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5847 sel_restore_notes. Update all callers. Call reemit_notes
5850 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5852 PR rtl-optimization/42246
5853 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5856 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5858 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5859 all successors is the same as number of successors in current region.
5861 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5863 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5864 to rename is not separable. Otherwise check that its LHS is not NULL.
5866 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5868 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5870 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5872 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5873 available registers when failed to discover LHS register class.
5874 Fix indentation. Update comment.
5876 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5877 Alexander Monakov <amonakov@ispras.ru>
5879 PR rtl-optimization/42389
5880 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5882 (advance_state_on_fence): Likewise.
5883 (sel_target_adjust_priority): Print debug output only when
5884 sched_verbose >= 4, not 2.
5885 (get_expr_cost): Do not issue all unique insns on the next cycle.
5886 (fill_insns): Initialize can_issue_more from the value saved
5888 * sel-sched-ir.c (flist_add): New parameter issue_more.
5889 Init FENCE_ISSUE_MORE with it.
5890 (merge_fences): Likewise.
5891 (init_fences): Update call to flist_add.
5892 (add_to_fences, add_clean_fence_to_fences)
5893 (add_dirty_fence_to_fences): Likewise.
5894 (move_fence_to_fences): Update call to merge_fences.
5895 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5897 * sel-sched-ir.h (struct _fence): New field issue_more.
5898 (FENCE_ISSUE_MORE): New accessor macro.
5900 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5902 PR rtl-optimization/42388
5903 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5904 that have no predecessors nor successors. Do not call move_bb_info
5905 for empty blocks outside of current region.
5907 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5909 PR rtl-optimization/42294
5910 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5911 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5912 originators' originators.
5914 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5916 PR rtl-optimization/39453
5917 PR rtl-optimization/42246
5918 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
5920 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
5922 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5923 Alexander Monakov <amonakov@ispras.ru>
5926 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
5927 (maybe_tidy_empty_bb): ... here. Make static. Add new
5928 argument. Update all callers.
5929 (tidy_control_flow): ... and here. Recompute topological order
5930 of basic blocks in region if necessary.
5931 (sel_redirect_edge_and_branch): Change return type. Return true
5932 if topological order might have been invalidated.
5933 (purge_empty_blocks): Export and move from...
5934 * sel-sched.c (purge_empty_blocks): ... here.
5935 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
5936 (maybe_tidy_empty_bb): Delete prototype.
5937 (purge_empty_blocks): Declare.
5939 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5941 PR rtl-optimization/42249
5942 * sel-sched.c (try_replace_dest_reg): When chosen register
5943 and original register is the same, do not bail out early, but
5944 still check all original insns for validity of replacing destination
5945 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
5948 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5951 Port from no-undefined-overflow branch:
5952 2009-03-09 Richard Guenther <rguenther@suse.de>
5954 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
5956 2010-01-14 Richard Guenther <rguenther@suse.de>
5959 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
5961 2010-01-14 Ira Rosen <irar@il.ibm.com>
5963 PR tree-optimization/42709
5964 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
5965 as scalar type in creation of constant vector operand.
5967 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5970 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
5971 (check-parallel-%): Match `testsuite' directory component only
5974 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
5976 PR translation/39521
5977 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
5980 2010-01-13 Richard Guenther <rguenther@suse.de>
5982 PR tree-optimization/42730
5983 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
5986 2010-01-13 Steve Ellcey <sje@cup.hp.com>
5989 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
5990 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
5993 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
5995 * config/bfin/libgcc-bfin.ver: Regenerate based on current
5996 libgcc-std.ver. Add entries for ___smulsi3_highpart and
5997 ___umulsi3_highpart.
5999 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6000 rather than schedule_insns if the pass is enabled.
6002 2010-01-13 Martin Jambor <mjambor@suse.cz>
6004 PR tree-optimization/42704
6005 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6008 2010-01-13 Martin Jambor <mjambor@suse.cz>
6010 PR tree-optimization/42703
6011 * tree-sra.c (analyze_access_subtree): Check that we can build a
6012 reference to the original data within the aggregate.
6014 2010-01-13 Richard Guenther <rguenther@suse.de>
6016 PR tree-optimization/42705
6017 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6019 2010-01-13 Richard Guenther <rguenther@suse.de>
6022 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6024 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6027 * var-tracking.c (values_to_unmark): New variable.
6028 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6029 values_to_unmark vector. Moved body to...
6030 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6031 instead queue it into values_to_unmark vector.
6032 (vt_find_locations): Free values_to_unmark vector.
6034 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6036 * config/s390/s390.c (override_options): Set
6037 default of max-pending-list-length to 256
6039 2010-01-13 Richard Guenther <rguenther@suse.de>
6042 * tree-pass.h (PROP_gimple_lcx): New.
6043 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6044 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6045 before the final cleanup_eh.
6046 (dump_properties): Dump PROP_gimple_lcx.
6047 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6048 (tree_lower_complex_O0): Remove.
6049 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6050 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6051 tree_lower_complex, schedule TODO_update_ssa.
6052 * lto-streamer-out.c (output_function): Stream the functions
6054 * lto-streamer-in.c (input_function): Likewise.
6055 (lto_read_body): Do not override them here.
6057 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6060 * c-typeck.c (build_c_cast): Fold value cast to union type before
6061 wrapping it in a CONSTRUCTOR.
6063 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6065 PR rtl-optimization/42699
6066 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6069 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6071 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6072 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6073 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6074 SUBTARGET_WARN_UNUSED_SPEC): ... here
6075 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6077 2010-01-12 Julian Brown <julian@codesourcery.com>
6079 * config/arm/neon-schedgen.ml (Utils): Don't try to
6080 open missing module.
6081 (find_with_result): New.
6083 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6086 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6087 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6089 PR tree-optimization/42645
6090 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6091 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6092 decl_map, set processing_debug_stmt to -1 and return name without
6095 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6097 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6098 binutils version, and reword target configuration description.
6100 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6102 * config/avr/avr.h (LINKER_NAME): Remove.
6104 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6107 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6108 that support VSX, warn for -mno-altivec if vsx is not disabled,
6111 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6112 Shujing Zhao <pearly.zhao@oracle.com>
6114 PR translation/42469
6115 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6116 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6117 character between option name and help text.
6118 * c.opt (imultilib): Likewise.
6120 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6122 * lto-streamer-out.c (output_unreferenced_globals): Output static
6125 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6127 PR rtl-optimization/42621
6128 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6129 optimizing for size.
6130 (duplicate_computed_gotos): Remove now-redundant check.
6132 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6135 * configure.ac: Save and restore LDFLAGS and LIBS
6136 * configure: Regenerate.
6138 2010-01-10 Richard Guenther <rguenther@suse.de>
6141 * builtins.c (fold_builtin_strlen): Add type argument and
6142 convert the resulting length to it.
6143 (fold_builtin_1): Adjust.
6145 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6147 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6148 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6150 (num_insns_constant_wide): Adjust for that change.
6152 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6155 * web.c (union_defs): Add used argument, to combine uses of
6157 (entry_register): Adjust type and tests of used argument.
6158 (web_main): Widen used for new use. Pass it to union_defs.
6159 * df.h (union_defs): Adjust prototype.
6161 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6164 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6165 uses in new incoming argument. Free body.
6166 (reset_debug_uses_in_loop): New.
6167 (analyze_insn_to_expand_var): Call the latter if the former found
6168 anything. Fix whitespace. Reject invalid dest overlaps before
6169 going through all insns in the loop.
6171 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6174 * haifa-sched.c (dying_use_p): Debug insns don't count.
6176 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6179 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6180 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6181 (verify_gimple_call): Reject LHS in noreturn calls.
6183 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6187 * tree-vect-loop-manip.c (adjust_info): New type.
6188 (adjust_vec): New pointer to vector.
6189 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6190 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6191 (slpeel_update_phis_for_duplicate_loop): Use them.
6192 (slpeel_update_phi_nodes_for_guard1): Likewise.
6193 (slpeel_update_phi_nodes_for_guard2): Likewise.
6194 (slpeel_tree_peel_loop_to_edge): Likewise.
6195 (vect_update_ivs_after_vectorizer): Likewise.
6197 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6199 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6200 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6202 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6204 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6205 bogus uninitialized warning.
6207 2010-01-09 Richard Guenther <rguenther@suse.de>
6210 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6211 the evolution is compatible with the initial condition.
6213 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6215 * gcc.c (process_command): Update copyright notice dates.
6216 * gcov.c (print_version): Likewise.
6217 * gcov-dump.c (print_version): Likewise.
6218 * mips-tfile.c (main): Likewise.
6219 * mips-tdump.c (main): Likewise.
6221 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6224 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6226 (rotlhi3_8): Delete.
6228 (rotlsi3_8): Delete.
6229 (rotlsi3_16): Delete.
6230 (rotlsi3_24): Delete.
6232 (*rotw<mode>3): New.
6233 (*rotb<mode>3): New.
6234 * config/avr/avr.c (avr_rotate_bytes): New function.
6235 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6237 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6240 * configure.ac: Modify -rdynamic check.
6241 * configure: Regenerate.
6243 2010-01-08 DJ Delorie <dj@redhat.com>
6245 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6246 register popping order.
6248 2010-01-08 Richard Guenther <rguenther@suse.de>
6251 * c.opt (fsigned-char): Also let LTO handle this option.
6252 (funsigned-char): Likewise.
6254 2010-01-07 Richard Guenther <rguenther@suse.de>
6256 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6257 (gimple_op): Likewise.
6258 (gimple_op_ptr): Likewise.
6259 (gimple_assign_set_lhs): Remove gcc_assert.
6260 (gimple_assign_set_rhs1): Likewise.
6261 (gimple_assign_set_rhs2): Likewise.
6262 (gimple_call_set_lhs): Likewise.
6263 (gimple_call_set_fn): Likewise.
6264 (gimple_call_set_fndecl): Likewise.
6265 (gimple_call_fndecl): Likewise.
6266 (gimple_call_return_type): Likewise.
6267 (gimple_call_set_chain): Likewise.
6268 (gimple_call_num_args): Likewise.
6269 (gimple_call_set_arg): Likewise.
6270 (gimple_cond_set_code): Likewise.
6271 (gimple_cond_set_lhs): Likewise.
6272 (gimple_cond_set_rhs): Likewise.
6273 (gimple_cond_set_true_label): Likewise.
6274 (gimple_cond_set_false_label): Likewise.
6275 (gimple_label_set_label): Likewise.
6276 (gimple_goto_set_dest): Likewise.
6277 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6278 (gimple_debug_bind_get_value): Likewise.
6279 (gimple_debug_bind_get_value_ptr): Likewise.
6280 (gimple_debug_bind_set_var): Likewise.
6281 (gimple_debug_bind_set_value): Likewise.
6282 (gimple_debug_bind_reset_value): Likewise.
6283 (gimple_debug_bind_has_value_p): Likewise.
6284 (gimple_return_retval_ptr): Remove gcc_assert.
6285 (gimple_return_retval): Likewise.
6286 (gimple_return_set_retval): Likewise.
6287 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6288 (safe_referenced_var_iterator): Remove.
6289 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6290 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6291 (fill_referenced_var_vec): Remove.
6292 (first_readonly_imm_use): Remove redundant gcc_assert.
6293 (phi_arg_index_from_use): Combine gcc_asserts.
6294 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6295 (first_imm_use_stmt): Remove redundant gcc_assert.
6296 * tree-cfg.c (verify_gimple_call): Verify function and chain
6297 operands. Verify arguments.
6298 (verify_types_in_gimple_stmt): Verify condition code and labels.
6300 2010-01-07 Richard Guenther <rguenther@suse.de>
6302 PR tree-optimization/42641
6303 * sese.c (rename_map_elt_info): Use the SSA name version, do
6306 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6308 PR tree-optimization/42625
6309 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6310 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6312 2010-01-07 Duncan Sands <baldrick@free.fr>
6314 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6316 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6319 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6320 note itself is not function_invariant_p.
6322 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6324 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6325 Do not add the DF_NOTE problem.
6326 * store-motion.c (execute_rtl_store_motion): Likewise.
6328 2010-01-07 Martin Jambor <mjambor@suse.cz>
6330 PR tree-optimization/42157
6331 * tree-sra.c (compare_access_positions): Stabilize sort if both
6332 accesses have integer types, return zero immediately if they are the
6335 2010-01-06 Richard Henderson <rth@redhat.com>
6338 * haifa-sched.c (add_to_note_list): Merge into ...
6339 (concat_note_lists): ... here, and ...
6340 (unlink_other_notes, rm_other_notes): Merge into...
6341 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6342 NOTE_INSN_EPILOGUE_BEG.
6344 2010-01-06 Richard Guenther <rguenther@suse.de>
6346 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6347 not inline regular functions into always-inline functions.
6349 2010-01-06 Nick Clifton <nickc@redhat.com>
6351 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6352 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6354 (OVERRIDE_OPTIONS): Delete.
6355 (OPTIMIZATION_OPTIONS): Define.
6356 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6357 * config/rx/rx.c (rx_handle_option): Issue an error message if
6358 -mcpu=rx200 and -fpu are used together.
6359 (rx_set_optimization_options): New function. Issue an error
6360 message if an optimization attribute attempts to reset the FPU/
6361 math optimization pairing.
6362 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6363 * config/rx/rx.opt: Set the default to 32-bit doubles.
6364 * config/rx/t-rx: Add multilibs for -nofpu option.
6365 * doc/invoke.texi: Update documentation of RX options.
6367 2010-01-06 Richard Guenther <rguenther@suse.de>
6369 * tree-ssa-pre.c (name_to_id): New global.
6370 (alloc_expression_id): Simplify SSA name handling.
6371 (lookup_expression_id): Likewise.
6372 (init_pre): Zero name_to_id.
6373 (fini_pre): Free it.
6375 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6377 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6379 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6382 * config/i386/sse.md (smaxv2di3): New.
6383 (umaxv2di3): Likewise.
6384 (sminv2di3): Likewise.
6385 (uminv2di3): Likewise.
6387 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6390 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6391 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6392 (legitimize_tls_address): Likewise.
6393 (sparc_tls_referenced_p): Likewise.
6394 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6395 and adjust calls to legitimize_pic_address.
6396 (legitimate_constant_p) Use sparc_tls_referenced_p.
6397 (legitimate_pic_operand_p): Likewise.
6398 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6399 (sparc_tls_symbol_ref_1): Delete.
6400 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6401 (legitimize_tls_address): Make static, handle CONST patterns.
6402 (legitimize_pic_address): Make static, remove unused parameter and
6403 adjust recursive calls.
6404 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6405 and adjust call to legitimize_pic_address.
6406 (sparc_output_mi_thunk): Likewise.
6408 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6409 H.J. Lu <hongjiu.lu@intel.com>
6412 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6413 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6414 operands to make them signed.
6417 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6420 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6421 GTU to GT for V4SI and V2DI.
6423 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6424 (umin<mode>3): Removed.
6426 (uminv4si3): Likewise.
6428 2010-01-05 Martin Jambor <mjambor@suse.cz>
6430 PR tree-optimization/42462
6431 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6432 current_function_decl to helper functions and macros.
6434 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6437 * flags.h: Don't include real.h.
6438 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6439 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6440 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6441 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6442 * dominance.c: Update copyright.
6443 * gimple.c (walk_gimple_op): Remove inline.
6444 * tree-ssa-reassoc.c: Include real.h.
6445 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6446 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6448 2010-01-05 Nick Clifton <nickc@redhat.com>
6450 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6451 register to push into the stack frame when the accumulator has to
6452 be saved during interrupts.
6454 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6456 * doc/invoke.texi: Remove the documentation about option
6458 * common.opt (Wunreachable-code): Preserved for backward
6460 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6461 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6462 the backward compatibility flag section.
6464 2010-01-05 Richard Guenther <rguenther@suse.de>
6466 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6468 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6471 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6473 PR tree-optimization/42508
6474 * tree-sra.c (convert_callers): Check for recursive call
6475 by comparing cgraph nodes instead of decls.
6476 (modify_function): Call ipa_modify_formal_parameters also
6477 on all same_body aliases.
6479 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6480 cgraph nodes when checking for same_body aliases.
6482 2010-01-05 Richard Guenther <rguenther@suse.de>
6484 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6485 allocation and lookup.
6486 (get_or_alloc_expr_for_constant): Likewise.
6487 (phi_translate): Sink allocation.
6489 2010-01-04 Richard Guenther <rguenther@suse.de>
6491 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6492 a new entry only if needed.
6493 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6494 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6496 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6498 (phi_translate): Handle CONSTANTs early.
6500 2010-01-04 Martin Jambor <mjambor@suse.cz>
6502 PR tree-optimization/42398
6503 * tree-sra.c (struct access): Removed flag grp_different_types.
6504 (dump_access): Do not dump the removed flag.
6505 (sort_and_splice_var_accesses): Do not set the removed flag.
6506 (sra_modify_expr): Check for type compatibility directly.
6508 2010-01-04 Martin Jambor <mjambor@suse.cz>
6510 PR tree-optimization/42366
6511 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6512 edges with variable number of parameters.
6513 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6514 flag instead of asserting it.
6515 (ipa_read_node_info): Read uses_analysis_done flag.
6517 2010-01-04 Richard Guenther <rguenther@suse.de>
6519 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6520 iterative_hash_* as intended.
6521 (vn_reference_compute_hash): Likewise. Simplify hashing
6523 (vn_reference_lookup_2): Likewise.
6524 (vn_nary_op_compute_hash): Likewise.
6525 (vn_phi_compute_hash): Likewise.
6526 (expressions_equal_p): Remove strange code.
6527 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6528 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6529 (bitmap_insert_into_set_1): Take value-id as parameter.
6530 (add_to_value): Pass it.
6531 (bitmap_insert_into_set): Likewise.
6532 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6534 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6537 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6538 (do_self_spec): For switches with SWITCH_IGNORE set set also
6539 SWITCH_IGNORE_PERMANENTLY.
6540 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6543 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6545 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6546 tree of an unreferenced global var.
6548 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6551 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6552 GTU to GT for V4SI and V2DI.
6554 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6555 (umin<mode>3): Removed.
6557 (uminv4si3): Likewise.
6559 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6562 * collect2.c (main): Turn on trace in collect2 if -v is passed
6565 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6567 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6568 description of expression operand.
6570 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6572 * configure.ac: Add install-html to target_list for Make-hooks.
6573 * configure: Regenerate.
6574 * fortran/Make-lang.in (F95_HTMLFILES): New.
6575 (fortran.html): Use it.
6576 (fortran.install-html): New.
6577 * Makefile.in (install-html): Add lang.install-html.
6578 * java/Make-lang.in (JAVA_HTMLFILES): New.
6579 (java.html): Use it.
6580 (java.install-html): New.
6581 * objc/Make-lang.in (objc.install-html): New.
6582 * objcp/Make-lang.in (obj-c++.install-html): New.
6583 * cp/Make-lang.in (c++.install-html): New.
6584 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6585 * lto/Make-lang.in (lto.install-html): New.
6587 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6590 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6592 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6594 PR rtl-optimization/41862
6595 * store-motion.c (store_killed_in_insn, compute_store_table,
6596 remove_reachable_equiv_notes, replace_store_insn,
6597 build_store_vectors): Ignore all DEBUG_INSNs.
6599 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6602 * common.opt: Add dumpdir.
6604 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6606 (option_map): Add --dumpdir.
6608 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6610 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6612 * opts.c (decode_options): Try dump_dir_name first if
6613 dump_base_name isn't an absolute path.
6614 (common_handle_option): Handle OPT_dumpdir.
6616 * toplev.c (dump_dir_name): New.
6617 (print_switch_values): Also ignore -dumpdir.
6619 * toplev.h (dump_dir_name): New.
6621 2010-01-03 Richard Guenther <rguenther@suse.de>
6623 PR tree-optimization/42589
6624 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6625 double-word expansion of bswap32.
6627 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6629 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6630 with BLOCK_FOR_INSN.
6631 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6632 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6633 noce_process_if_block): Likewise.
6634 * gcse.c (compute_local_properties, insert_expr_in_table,
6635 insert_set_in_table, canon_list_insert, find_avail_set,
6636 pre_insert_copy_insn): Likewise.
6638 * basic-block.h (BLOCK_NUM): Move from here...
6639 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6641 2010-01-03 Richard Guenther <rguenther@suse.de>
6643 PR tree-optimization/42438
6644 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6645 contains_may_not_return_call flag.
6646 (BB_MAY_NOTRETURN): New.
6647 (valid_in_sets): Trapping nary operations are not valid
6648 in blocks that may not return.
6649 (insert_into_preds_of_block): Remove check for trapping expressions.
6650 (compute_avail): Compute also BB_MAY_NOTRETURN.
6652 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6654 * doc/invoke.texi: Add 2010 to copyright years.
6656 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6658 * config/sparc/sparc.c: Fix formatting nits.
6660 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6661 Alexander Monakov <amonakov@ispras.ru>
6663 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6665 2010-01-02 Richard Guenther <rguenther@suse.de>
6668 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6669 (simplify_switch_using_ranges): Mark to be removed edges
6672 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6674 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6676 * collect2.c (scan_libraries): Add missing argument in call to
6679 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6682 * config/alpha/predicates.md (aligned_memory_operand): Return false
6684 (unaligned_memory_operand): Return true for CQImode.
6685 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6686 doesn not cross aligned SImode word boundary.
6688 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6690 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6692 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6693 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6695 2010-01-02 Richard Guenther <rguenther@suse.de>
6698 * toplev.c (compile_file): Emit LTO marker properly. Change
6700 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6702 2010-01-01 Richard Guenther <rguenther@suse.de>
6705 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6707 2010-01-01 Richard Guenther <rguenther@suse.de>
6710 * c-decl.c (grokdeclarator): For zero-size arrays force
6711 structural equality checks as layout_type does.
6713 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6715 * builtins.c: Update copyright to 2010.
6717 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6720 * lto-streamer-out.c (produce_asm): Revert the last change.
6721 (copy_function): Likewise.
6723 * lto-streamer.c (lto_get_section_name): Skip any leading
6726 2010-01-01 Richard Guenther <rguenther@suse.de>
6729 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6733 Copyright (C) 2010 Free Software Foundation, Inc.
6735 Copying and distribution of this file, with or without modification,
6736 are permitted in any medium without royalty provided the copyright
6737 notice and this notice are preserved.