1 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
4 * fold-const.c (fold_comparison): New folding rule.
6 2010-04-20 Anatoly Sokolov <aesok@post.ru
8 * double-int.h (double_int_setbit): Declare.
9 * double-int.c (double_int_setbit): New function.
10 * rtl.h (immed_double_int_const): Declare.
11 * emit-rtl.c (immed_double_int_const): New function.
12 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
13 and immed_double_int_const functions.
14 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
15 expand_copysign_bit): (Ditto.).
16 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
17 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
18 * dojump.c (prefer_and_bit_test): (Ditto.).
19 * expr.c (convert_modes, reduce_to_bit_field_precision,
20 const_vector_from_tree): (Ditto.).
21 * expmed.c (mask_rtx, lshift_value): (Ditto.).
23 2010-04-20 Jan Hubicka <jh@suse.cz>
25 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
26 (dump_cgraph_node): Dump new flags.
27 * cgraph.h (struct cgraph_node): Add flags reachable_from_other_partition
28 and in_other_partition.
29 (cgraph_can_remove_if_no_direct_calls_p): Functions used by other partition
31 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by the other
32 partition must be output; silence sanity checking on leaking functions
33 bodies from other paritition.
34 * lto-cgraph.c (reachable_from_other_partition_p): New function.
35 (lto_output_node): Output new flags; do not sanity check that inline
36 clones are output; drop lto_forced_extern_inline_p code; do not mock
37 visibility flags at partition boundaries.
38 (add_node_to): New function.
39 (output_cgraph): Use it to sort functions so masters appear before
41 (input_overwrite_node): Input new flags.
42 * passes.c (ipa_write_summaries): Do not call
43 lto_new_extern_inline_states.
44 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
45 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
46 lto_forced_extern_inline_p): Kill.
47 * lto-streamer.h (lto_new_extern_inline_states,
48 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
49 lto_forced_extern_inline_p): Kill.
51 2010-04-20 Richard Guenther <rguenther@suse.de>
53 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
54 from vars that can have pointers.
55 (process_constraint): Dump useless constraints.
57 2010-04-20 Richard Guenther <rguenther@suse.de>
59 * tree-ssa-structalias.c (do_structure_copy): Properly handle
61 (dump_sa_points_to_info): Remove asserts.
62 (init_base_vars): nothing_id isn't an escape point nor does it
65 2010-04-20 Jakub Jelinek <jakub@redhat.com>
67 * tree.h (TYPE_REF_IS_RVALUE): Define.
68 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
69 should_move_die_to_comdat, prune_unused_types_walk): Handle
70 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
71 (modified_type_die, gen_reference_type_die): Emit
72 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
73 if TYPE_REF_IS_RVALUE and -gdwarf-4.
75 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
78 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
79 calls for -fpic -m31 if they have been sibcall optimized.
81 2010-04-19 James E. Wilson <wilson@codesourcery.com>
83 PR rtl-optimization/43520
84 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
85 ar.lc fixed and call-used.
87 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
89 2010-04-19 Jan Hubicka <jh@suse.cz>
91 * opts.c (decode_options): Disable whpr incompatible passes.
92 * lto/lto.c (lto_1_to_1_map): Skip clones.
93 (read_cgraph_and_symbols): Do not mark everything as needed.
94 (do_whole_program_analysis): Do map only after optimizing;
95 set proper cgraph_state; use passmanager.
97 2010-04-19 DJ Delorie <dj@redhat.com>
99 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
100 POINTER_PLUS_EXPR and fix them.
102 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
104 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
105 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
106 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
107 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
108 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
109 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
110 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
111 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
112 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
113 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
114 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
116 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
118 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
119 (check_cond_move_block): Likewise.
120 (cond_move_process_if_block): Likewise.
121 (noce_find_if_block): Improve formatting.
122 (find_if_header): Pass 0 to memset and tweak conditions.
123 (cond_exec_find_if_block): Fix long lines and tweak conditions.
125 2010-04-19 Jakub Jelinek <jakub@redhat.com>
127 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return
131 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
132 with non-local decl doesn't need chain.
134 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
136 * ira-color.c (allocno_reload_assign): Avoid accumulating
137 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
139 2010-04-19 Martin Jambor <mjambor@suse.cz>
141 * gimple.h (create_tmp_reg): Declare.
142 * gimplify.c (create_tmp_reg): New function.
143 (gimplify_return_expr): Use create_tmp_reg.
144 (gimplify_omp_atomic): Likewise.
145 (gimple_regimplify_operands): Likewise.
146 * tree-dfa.c (make_rename_temp): Likewise.
147 * tree-predcom.c (predcom_tmp_var): Likewise.
148 (reassociate_to_the_same_stmt): Likewise.
149 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
150 (get_replaced_param_substitute): Likewise.
151 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
152 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
153 * tree-ssa-pre.c (get_representative_for): Likewise.
154 (create_expression_by_pieces): Likewise.
155 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
156 (create_tailcall_accumulator): Likewise.
158 2010-04-19 Martin Jambor <mjambor@suse.cz>
160 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
162 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
164 2010-04-19 Richard Guenther <rguenther@suse.de>
166 PR tree-optimization/43796
167 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
168 from SCEV in the lattice.
169 (vrp_visit_phi_node): Dump change.
171 2010-04-19 Richard Guenther <rguenther@suse.de>
173 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
174 * configure: Re-generated.
176 2010-04-19 Richard Guenther <rguenther@suse.de>
178 PR tree-optimization/43783
179 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
180 constant ARRAY_REF operands two and three if possible.
182 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
185 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
187 2010-04-19 Jie Zhang <jie@codesourcery.com>
190 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
192 2010-04-19 Ira Rosen <irar@il.ibm.com>
194 PR tree-optimization/37027
195 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
196 and macro to access it.
197 (vectorizable_reduction): Add argument.
198 (vect_get_slp_defs): Likewise.
199 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
200 statements for possible use in SLP.
201 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
202 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
203 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
205 (vectorizable_reduction): Likewise.
206 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
208 (vectorizable_type_demotion, vectorizable_type_promotion,
209 vectorizable_store): Likewise.
210 (vect_analyze_stmt): Update call to vectorizable_reduction.
211 (vect_transform_stmt): Likewise.
212 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
213 (vect_build_slp_tree): Fix indentation. Check that there are no loads
214 from different interleaving chains in same node.
215 (vect_slp_rearrange_stmts): New function.
216 (vect_supported_load_permutation_p): Allow load permutations for
217 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
218 inside SLP nodes if necessary.
219 (vect_analyze_slp_instance): Handle reductions.
220 (vect_analyze_slp): Try to build SLP instances originating from groups
222 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
223 (vect_get_constant_vectors): Create initial vectors for reductions
224 according to reduction code. Add new argument.
225 (vect_get_slp_defs): Add new argument, pass it to
226 vect_get_constant_vectors.
227 (vect_schedule_slp_instance): Remove SLP tree root statements.
229 2010-04-19 Jakub Jelinek <jakub@redhat.com>
231 * tree.h (ENUM_IS_SCOPED): Define.
232 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
233 for ENUM_IS_SCOPED enums.
235 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
237 * fold-const.c (fold_comparison): Use ssizetype.
238 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
239 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
240 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
241 * tree-object-size.c (compute_object_sizes): Use size_type_node.
243 * tree.h (initialize_sizetypes): Remove parameter.
244 (build_common_tree_nodes): Remove second parameter.
245 * stor-layout.c (initialize_sizetypes): Remove parameter.
246 Always create an unsigned type.
247 (set_sizetype): Assert that the passed type is unsigned and simplify.
248 * tree.c (build_common_tree_nodes): Remove second parameter.
249 Adjust call to initialize_sizetypes.
250 * c-decl.c (c_init_decl_processing): Remove second argument in call to
251 build_common_tree_nodes.
253 2010-04-18 Matthias Klose <doko@ubuntu.com>
255 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
257 2010-04-18 Ira Rosen <irar@il.ibm.com>
259 PR tree-optimization/43771
260 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
261 load permutation doesn't have gaps.
263 2010-04-18 Jan Hubicka <jh@suse.cz>
265 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
266 (sse_prologue_save_insn expander): Use new pattern.
267 (sse_prologue_save_insn1): New pattern and splitter.
268 (sse_prologue_save_insn): Update to deal also with 64bit aligned
270 * i386.c (setup_incoming_varargs_64): Do not compute jump
272 (ix86_gimplify_va_arg): Update alignment needed.
273 (ix86_local_alignment): Do not align all local arrays to 128bit.
275 2010-04-17 Jan Hubicka <jh@suse.cz>
277 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
279 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
281 * arm.md (negdi2): Remove redundant code to force values into a
284 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
286 * arm/bpabi.S: Add EABI alignment attributes to objects.
287 * arm/bpabi-v6m.S: Likewise.
288 * arm/crti.asm: Likewise.
289 * arm/crtn.asm: Likewise.
290 * arm/lib1funcs.asm: Likewise.
291 * arm/libunwind.S: Likewise.
293 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
295 * arm-protos.h (tune_params): New structure.
296 * arm.c (current_tune): New variable.
297 (arm_constant_limit): Delete.
298 (struct processors): Add pointer to the tune parameters.
299 (arm_slowmul_tune): New tuning option.
300 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
301 (all_cores): Adjust to pick up the tuning model.
302 (arm_constant_limit): New function.
303 (arm_override_options): Select the appropriate tuning model. Delete
304 initialization of arm_const_limit.
305 (arm_split_constant): Use the new constant-limit model.
306 (arm_rtx_costs): Pick up the current tuning model.
307 * arm.md (is_strongarm, is_xscale): Delete.
308 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
309 for Xscale variant architectures.
310 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
312 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
314 * config/arm/arm.c (arm_gen_constant): Remove unused variable
316 (arm_rtx_costs_1): Remove unused variable extra_cost.
317 (arm_unwind_emit_set): Use variable offset.
318 (thumb1_output_casesi): Remove unused variable flags.
320 2010-04-16 Jeff Law <law@redhat.com>
322 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
323 needing assignment rather than doing a two-phase assignment. Remove
326 2010-04-16 Jakub Jelinek <jakub@redhat.com>
329 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
331 2010-04-16 Doug Kwan <dougkwan@google.com>
333 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
334 (next_operand_entry_id): New static variable.
335 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
336 (add_to_ops_vec): Assigned unique ID to operand entry.
337 (struct oecount_s): New field ID.
338 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
339 (undistribute_ops_list): Assign unique IDs to oecounts.
340 (init_reassoc): reset next_operand_entry_id.
342 2010-04-16 Doug Kwan <dougkwan@google.com>
344 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
345 missing left parenthesis.
347 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
349 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
350 *btdi_rex64 using SWI48 mode iterator.
351 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
352 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
353 *jcc_btdi_mask_rex64.
355 2010-04-16 Anatoly Sokolov <aesok@post.ru>
357 * double-int.h (tree_to_double_int): Convert to macro.
358 * double-int.c (tree_to_double_int): Remove.
360 2010-04-16 Jakub Jelinek <jakub@redhat.com>
363 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
364 with want_address 2 and in case a single element list might be
365 possible, call it again with want_address 0.
367 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
369 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
370 case 'W' print operands for HI mode.
371 * config/h8300/h8300.h (Y0, Y2) : New constraints.
372 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
373 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
374 * config/h8300/predicate.md (bit_register_indirect_operand): New.
376 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
378 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
379 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
380 #xx:3 and #xx:4 mode.
382 * config/h8300/h8300.md (inverted load with HImode dest): Add
385 * config/h8300/predicate.md (bit_operand): Allow immediate values that
386 satisfy 'U' constraint.
388 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
390 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx
392 * configure: Regenerate.
393 * config.in: Regenerate.
394 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
397 2010-04-16 Richard Guenther <rguenther@suse.de>
399 * tree.h (struct tree_decl_minimal): Move pt_uid ...
400 (struct tree_decl_common): ... here.
401 (DECL_PT_UID): Adjust.
402 (SET_DECL_PT_UID): Likewise.
403 (DECL_PT_UID_SET_P): Likewise.
405 2010-04-16 Richard Guenther <rguenther@suse.de>
407 PR tree-optimization/43572
408 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
409 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
410 * tree-flow.h (is_call_clobbered): Remove.
411 * tree-flow-inline.h (is_call_clobbered): Likewise.
412 * tree-dfa.c (dump_variable): Do not dump call clobber state.
413 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
414 (execute_return_slot_opt): Adjust.
415 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
416 check for call clobbered vars here.
417 (find_tail_calls): Move tailcall verification to the
420 2010-04-16 Diego Novillo <dnovillo@google.com>
422 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings
425 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
428 * config/arm/arm.md (cbranchqi4): New pattern.
429 * config/arm/predicates.md (const0_operand,
430 cbranchqi4_comparison_operator): New predicates.
432 2010-04-16 Richard Guenther <rguenther@suse.de>
434 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
435 (dump_gimple_stmt): Likewise.
437 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
439 * recog.h (struct recog_data): New field is_operator.
440 (struct insn_operand_data): New field is_operator.
441 * recog.c (extract_insn): Set recog_data.is_operator.
442 * genoutput.c (output_operand_data): Emit code to set the
444 * reload.c (find_reloads): Use it rather than testing for an
445 empty constraint string.
448 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
449 If the previous insn is a cbranchsi4_insn with the same arguments,
450 omit the compare instruction.
452 * config/arm/arm.md (addsi3_cbranch): If destination is a high
453 register, inputs must be low registers and we need a low register
454 scratch. Handle alternative 2 like alternative 3.
456 2010-04-16 Jakub Jelinek <jakub@redhat.com>
458 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
459 don't call get_addr on both. If one expression is a VALUE and
460 the other a REG, check VALUE's locs if the REG isn't among them.
462 2010-04-16 Christian Bruel <christian.bruel@st.com>
464 * config/sh/sh.h (sh_frame_pointer_required): New function.
465 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
466 (flag_omit_frame_pointer) Set.
467 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
468 (rounded_frame_size): Adjust size with outgoing_args_size.
469 (sh_set_return_address): Must return from stack pointer.
470 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
471 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
472 (ACCUMULATE_OUTGOING_ARGS): Define.
473 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
474 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
476 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
479 * config/sh/sh.c (sh_legitimize_reload_address): Use
480 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
481 Remove a unneeded check for offset_base.
483 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
485 * configure: Regenerated.
487 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
489 * config/s390/s390.c (s390_call_save_register_used): Switch back
492 2010-04-15 Richard Guenther <rguenther@suse.de>
494 * alias.c (alias_set_subset_of): Handle alias-set zero
497 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
498 Julian Brown <julian@codesourcery.com>
500 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
501 alternatives according to use of high and low regs.
502 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
503 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
504 optimizing for size on Thumb-2.
506 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
508 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
510 2010-04-15 Richard Guenther <rguenther@suse.de>
512 * tree-ssa-structalias.c (struct variable_info): Add
514 (new_var_info): Initialize it.
515 (dump_constraints): Support printing last added constraints.
516 (debug_constraints): Adjust.
517 (dump_constraint_graph): Likewise.
518 (make_heapvar_for): Check for NULL cfun.
519 (get_function_part_constraint): New function.
520 (get_fi_for_callee): Likewise.
521 (find_func_aliases): Properly implement IPA PTA constraints.
522 (process_ipa_clobber): New function.
523 (find_func_clobbers): Likewise.
524 (insert_into_field_list_sorted): Remove.
525 (create_function_info_for): Properly allocate vars for IPA mode.
526 Do not use insert_into_field_list_sorted.
527 (create_variable_info_for): Properly generate constraints for
528 global vars in IPA mode.
529 (dump_solution_for_var): Always dump the solution.
530 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
531 (find_what_var_points_to): Adjust.
532 (pt_solution_set): Change.
533 (pt_solution_ior_into): New function.
534 (pt_solution_empty_p): Export.
535 (pt_solution_includes_global): Adjust.
536 (pt_solution_includes_1): Likewise.
537 (pt_solutions_intersect_1): Likewise.
538 (dump_sa_points_to_info): Check some invariants.
539 (solve_constraints): Move constraint dumping ...
540 (compute_points_to_sets): ... here.
541 (ipa_pta_execute): ... and here.
542 (compute_may_aliases): Do not re-compute points-to info
543 locally if IPA info is available.
544 (ipa_escaped_pt): New global var.
545 (ipa_pta_execute): Properly implement IPA PTA.
546 * tree-into-ssa.c (dump_decl_set): Support dumping
547 decls not in referenced-vars.
548 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
549 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
550 (dump_points_to_solution): Likewise.
551 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
552 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
553 (remap_gimple_stmt): Reset call clobber/use information if
555 (copy_decl_to_var): Copy DECL_PT_UID.
556 (copy_result_decl_to_var): Likewise.
557 * tree.c (make_node_stat): Initialize DECL_PT_UID.
558 (copy_node_stat): Copy it.
559 * tree.h (DECL_PT_UID): New macro.
560 (SET_DECL_PT_UID): Likewise.
561 (DECL_PT_UID_SET_P): Likewise.
562 (struct tree_decl_minimal): Add pt_uid member.
563 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
564 (pt_solution_empty_p): Declare.
565 (pt_solution_set): Adjust.
566 (ipa_escaped_pt): Declare.
567 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
568 * gimple-pretty-print.c (pp_points_to_solution): New function.
569 (dump_gimple_call): Dump call clobber/use information.
570 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
571 * tree-pass.h (TDF_ALIAS): New dump option.
572 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
573 * doc/invoke.texi (-fipa-pta): Update documentation.
575 2010-04-15 Richard Guenther <rguenther@suse.de>
577 * Makefile.in (OBJS-common): Add gimple-fold.o.
578 (gimple-fold.o): New rule.
579 * tree.h (maybe_fold_offset_to_reference,
580 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
582 * gimple.h: ... here.
583 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
584 may_propagate_address_into_dereference): Move prototypes ...
585 * gimple.h: ... here.
586 * tree-ssa-ccp.c (get_symbol_constant_value,
587 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
588 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
589 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
590 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
591 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
592 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
593 gimplify_and_update_call_from_tree): Move ...
594 * gimple-fold.c: ... here. New file.
595 (ccp_fold_builtin): Rename to ...
596 (gimple_fold_builtin): ... this.
597 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
599 2010-04-15 Richard Guenther <rguenther@suse.de>
601 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
602 fit_double_type, force_fit_type_double, add_double_with_sign,
603 neg_double, mul_double_with_sign, lshift_double, rshift_double,
604 lrotate_double, rrotate_double, div_and_round_double): Move ...
605 * double-int.c: ... here.
606 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
607 add_double, neg_double, mul_double_with_sign, mul_double,
608 lshift_double, rshift_double, lrotate_double, rrotate_double,
609 div_and_round_double): Move prototypes ...
610 * double-int.h: ... here.
612 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
615 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
616 matching constraints to ensure inputs match the output.
618 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
621 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
622 in an input-only operand.
624 2010-04-15 Anatoly Sokolov <aesok@post.ru>
626 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
627 (double_int_not, double_int_lshift, double_int_rshift): Declare.
628 (double_int_negative_p): Convert to static inline function.
629 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
630 (double_int_negative_p): Remove.
631 * tree.h (lshift_double, rshift_double):
632 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
633 * fold-const.c (fold_convert_const_int_from_real,
634 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
635 (lshift_double): Change type of arith argument to bool.
636 (rshift_double): Change type of arith argument to bool. Correct
638 * expmed.c (mask_rtx, lshift_value): (Ditto.).
640 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
643 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
644 at the start and end of the then/else blocks, and omit them from the
646 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
647 argument; all callers changed. Pass zero to old_insns_match_p instead.
648 (flow_find_head_matching_sequence): New function.
649 (old_insns_match_p): Check REG_EH_REGION notes for calls.
650 * basic-block.h (flow_find_cross_jump,
651 flow_find_head_matching_sequence): Declare functions.
653 2010-04-14 Jason Merrill <jason@redhat.com>
656 * c-common.c (attribute_takes_identifier_p): New fn.
657 * c-common.h: Declare it.
659 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
661 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
663 (*udivmod<mode>4): Ditto.
665 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
667 * config/i386/i386.md (maxmin_int): Rename code attribute from
668 maxminiprefix and update all users.
669 (maxmin_float): Ditto from maxminfprefix.
670 (logic): Ditto from logicprefix.
671 (absneg_mnemonic): Ditto from absnegprefix.
672 * config/i386/mmx.md: Update all users of maxminiprefix,
673 maxminfprefix and logicprefix for rename.
674 * config/i386/sse.md: Ditto.
675 * config/i386/sync.md (sync_<code><mode>): Update for
678 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
681 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
682 warnings converted to errors.
684 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
686 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
687 used insn_type variable.
688 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
689 to avoid set-but-not-used warning.
691 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
693 * df-core.c (df_ref_debug): Change format string placeholder
695 * dwarf2asm.c (dw2_asm_output_data_raw,
696 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
697 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
698 * dwarf2out.c (output_cfi, output_cfi_directive,
699 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
700 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
702 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
703 * print-rtl.c (print_rtx): Ditto.
705 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
708 * builtins.c (expand_builtin_pow_root): New function to expand pow
709 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
710 series of sqrt and cbrt calls under -ffast-math.
711 (expand_builtin_pow): Call it.
713 2010-04-14 Michael Matz <matz@suse.de>
715 PR tree-optimization/42963
716 * tree-cfg.c (touched_switch_bbs): New static variable.
717 (group_case_labels_stmt): New function broken out from ...
718 (group_case_labels): ... here, use the above.
719 (start_recording_case_labels): Allocate touched_switch_bbs.
720 (end_recording_case_labels): Deallocate it, call
721 group_case_labels_stmt.
722 (gimple_redirect_edge_and_branch): Remember index of affected BB.
724 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
726 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
729 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
731 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
733 2010-04-13 Jan Hubicka <jh@suse.cz>
735 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
736 of optimized out static functions.
737 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
738 cost computation. Also sanity check for overflows.
739 (update_caller_keys): Update cgraph_edge_badness call; properly
740 update fibheap and sanity check that it is up to date.
741 (add_new_edges_to_heap): Update cgraph_edge_badness.
742 (cgraph_decide_inlining_of_small_function): Likewise;
743 add sanity checking that badness in heap is up to date;
744 improve dumping of reason; Update badness of calls to the
745 offline copy of function currently inlined; dump badness
746 of functions not inlined because of unit growth limits.
748 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
751 * c-common.c (pointer_int_sum): Disregard overflow that occured only
752 because of sign-extension change when converting to sizetype here...
753 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
755 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
756 the folding to constants. Remove redundant final conversion.
757 (fold_binary) <associate>: Do not associate if the re-association of
758 constants alone overflows.
759 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
760 to the end of the list.
761 (multiple_of_p) <COND_EXPR>: New case.
763 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
765 * opt-functions.awk (opt_sanitized_name): New.
767 * optc-gen.awk: Use it
768 * opth-gen.awk: Use it.
770 2010-04-13 Martin Jambor <mjambor@suse.cz>
772 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
773 (sra_modify_assign): Delete stmts loading dead data even if racc has no
774 children. Call replace_uses_with_default_def_ssa_name to handle
777 2010-04-13 Michael Matz <matz@suse.de>
780 * builtins.c (expand_builtin_interclass_mathfn): Also create
781 a register if the predicate doesn't match.
783 2010-04-13 Diego Novillo <dnovillo@google.com>
785 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
786 * c-pch.c: Include timevar.h.
787 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
788 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
789 * ggc-common.c: Include timevar.h.
790 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
791 * timevar.def (TV_PCH_SAVE): Define.
792 (TV_PCH_CPP_SAVE): Define.
793 (TV_PCH_PTR_REALLOC): Define.
794 (TV_PCH_PTR_SORT): Define.
795 (TV_PCH_RESTORE): Define.
796 (TV_PCH_CPP_RESTORE): Define.
798 2010-04-13 Michael Matz <matz@suse.de>
800 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
802 (can_reassociate_p): New function.
803 (break_up_subtract_bb, reassociate_bb): Use it.
805 2010-04-13 Richard Guenther <rguenther@suse.de>
808 * builtins.c (c_readstr): Fix assert.
810 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
812 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
813 when generating cltd insn.
815 (*ashl<mode>3_1): Remove special handling for register operand 2.
816 (*ashlsi3_1_zext): Ditto.
818 (*ashlhi3_1_lea): Ditto.
820 (*ashlqi3_1_lea): Ditto.
821 (*<shiftrt_insn><mode>3_1): Ditto.
822 (*<shiftrt_insn>si3_1_zext): Ditto.
823 (*<shiftrt_insn>qi3_1_slp): Ditto.
824 (*<rotate_insn><mode>3_1): Ditto.
825 (*<rotate_insn>si3_1_zext): Ditto.
826 (*<rotate_insn>qi3_1_slp): Ditto.
828 2010-04-13 Richard Guenther <rguenther@suse.de>
830 * tree-ssa-structalias.c (callused_id): Remove.
831 (call_stmt_vars): New.
832 (get_call_vi): Likewise.
833 (lookup_call_use_vi): Likewise.
834 (lookup_call_clobber_vi): Likewise.
835 (get_call_use_vi): Likewise.
836 (get_call_clobber_vi): Likewise.
837 (make_transitive_closure_constraints): Likewise.
838 (handle_const_call): Adjust to do per-call call-used handling.
839 (handle_pure_call): Likewise.
840 (find_what_var_points_to): Remove general callused handling.
841 (init_base_vars): Likewise.
842 (init_alias_vars): Initialize call_stmt_vars.
843 (compute_points_to_sets): Process call-used and call-clobbered
844 vars for call statements.
845 (delete_points_to_sets): Free call_stmt_vars.
847 2010-04-13 Richard Guenther <rguenther@suse.de>
849 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
850 Only add RW dependence for dependence distance zero.
851 Adjust maximal vectorization factor according to dependences.
852 Move alignment handling ...
853 (vect_find_same_alignment_drs): ... here. New function.
854 (vect_analyze_data_ref_dependences): Adjust.
855 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
856 (vect_analyze_data_refs): Adjust minimal vectorization factor
857 according to data references.
858 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
859 dependences before determining the vectorization factor.
860 Analyze alignment after determining the vectorization factor.
861 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
862 dependences before alignment.
863 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
865 (vect_analyze_data_refs): Likewise.
866 (MAX_VECTORIZATION_FACTOR): New define.
868 2010-04-13 Duncan Sands <baldrick@free.fr>
870 * except.h (lang_eh_type_covers): Remove.
871 * except.c (lang_eh_type_covers): Likewise.
873 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
874 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
876 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
877 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
878 UNITS_PER_LONG where it is ABI relevant.
879 (s390_return_addr_rtx): Likewise.
880 (s390_back_chain_rtx): Likewise.
881 (s390_frame_area): Likewise.
882 (s390_frame_info): Likewise.
883 (s390_initial_elimination_offset): Likewise.
884 (save_gprs): Likewise.
885 (s390_emit_prologue): Likewise.
886 (s390_emit_epilogue): Likewise.
887 (s390_function_arg_advance): Likewise.
888 (s390_function_arg): Likewise.
889 (s390_va_start): Likewise.
890 (s390_gimplify_va_arg): Likewise.
891 (s390_function_profiler): Likewise.
892 (s390_optimize_prologue): Likewise.
893 (s390_rtx_costs): Likewise.
894 (s390_secondary_reload): Likewise.
895 (s390_promote_function_mode): Likewise.
896 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
897 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
899 (s390_unwind_word_mode): New function.
900 (s390_function_value): Split 64 bit values into register pair if
901 used as return value.
902 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
903 function call parameters. Handle parallels.
904 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
905 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
906 (DWARF_CIE_DATA_ALIGNMENT): New macro.
907 (s390_expand_setmem): Remove unused variable src_addr.
908 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
909 deal with 64 bit registers.
910 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
911 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
912 (UNITS_PER_LONG): New macro.
913 * libjava/include/s390-signal.h: Define extended ucontext
914 structure containing the upper halfs of the 64 bit registers.
916 2010-04-13 Simon Baldwin <simonb@google.com>
918 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
920 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
922 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
923 rvalue on the RHS if the LHS is of a non-renamable type.
924 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
926 2010-04-13 Matthias Klose <doko@ubuntu.com>
928 * gcc.c (cc1_options): Handle -iplugindir before processing
929 the cc1 spec. Only add -iplugindir once.
930 (cpp_unique_options): Add -iplugindir option if -fplugin* options
932 * common.opt (iplugindir): Remove `Separate' property, initialize.
933 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
935 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
936 (distclean): Remove plugin dir.
937 * doc/invoke.texi: Document -iplugindir.
939 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
941 * doc/plugins.texi (Loading Plugins): Document short
943 (Plugin API): Mention default_plugin_dir_name function.
945 * gcc.c (find_file_spec_function): Add new declaration.
946 (static_spec_func): Use it for "find-file".
947 (find_file_spec_function): Add new function.
948 (cc1_options): Add -iplugindir option if -fplugin* options found.
950 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
952 * plugin.c (add_new_plugin): Updated comment, and handle short
954 (default_plugin_dir_name): Added new function.
956 * common.opt (iplugindir): New option to set the plugin directory.
958 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
960 * config/i386/i386.md (any_rotate): New code iterator.
961 (rotate_insn): New code attribute.
963 (SWIM124): New mode iterator.
964 (<rotate_insn>ti3): New expander.
965 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
966 any_rotate code iterator.
967 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
968 using any_rotate code iterator and SWIM124 mode iterator.
969 (ix86_rotlti3): New insn_and_split pattern.
970 (ix86_rotrti3): Ditto.
971 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
972 ix86_rotl{di,ti}3 patterns.
973 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
974 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
975 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
976 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
977 code iterator and SWI mode iterator.
978 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
979 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
981 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
982 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
983 (bswap rotatert splitter): Add splitter.
984 (bswap splitter): Macroize splitter using any_rotate code iterator.
985 Add insn predicate to split only for TARGET_USE_XCHGB or when
986 optimizing function for size.
988 2010-04-12 Steve Ellcey <sje@cup.hp.com>
990 * config/pa/pa.c (emit_move_sequence): Remove use of
991 deleted variable flag_argument_noalias.
993 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
995 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
997 Add to unsupported targets list.
998 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
999 sparc*-sun-solaris2.[567]* from target lists.
1000 * configure: Regenerate.
1001 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1003 Remove Solaris 7 patch references.
1004 (Specific, sparc-sun-solaris2.7): Removed.
1005 (sparc-sun-solaris2*): Update Solaris 7 example.
1006 (sparc64-*-solaris2*): Likewise.
1008 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1010 * config.build (alpha*-dec-osf4*): Remove.
1011 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1012 of obsolete configurations.
1013 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1015 * config/alpha/t-osf4: Renamed to ...
1016 * config/alpha/t-osf5: ... this.
1017 * config/alpha/osf.h: Renamed to ...
1018 * config/alpha/osf5.h: ... this.
1019 Merged old osf5.h contents.
1021 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1022 (EXTRA_SPECS): Removed.
1023 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1024 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1027 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1029 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1031 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1034 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1035 __thiscall convention.
1037 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1039 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1041 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1043 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1045 * function.c (assign_parms_initialize_all): Add unused attribute
1048 2010-04-12 Richard Guenther <rguenther@suse.de>
1050 * gsstruct.def (GSS_CALL): New.
1051 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1052 * gimple.h: Include tree-ssa-alias.h.
1053 (struct gimple_statement_call): New.
1054 (union gimple_statement_struct_d): Add gimple_call member.
1055 (gimple_call_reset_alias_info): Declare.
1056 (gimple_call_use_set): New function.
1057 (gimple_call_clobber_set): Likewise.
1058 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1059 * gimple.c (gimple_call_reset_alias_info): New function.
1060 (gimple_build_call_1): Call it.
1061 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1062 * tree-inline.c (remap_gimple_stmt): Likewise.
1063 (expand_call_inline): Remove callused handling.
1064 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1065 * tree-dfa.c (dump_variable): Likewise.
1066 * tree-parloops.c (parallelize_loops): Likewise.
1067 * tree-ssa.c (init_tree_ssa): Likewise.
1068 (delete_tree_ssa): Likewise.
1069 * tree-flow-inline.h (is_call_used): Remove.
1070 * tree-flow.h (struct gimple_df): Remove callused member.
1071 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1072 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1073 (ref_maybe_used_by_call_p_1): Simplify.
1074 (call_may_clobber_ref_p_1): Likewise.
1075 * tree-ssa-structalias.c (compute_points_to_sets): Set
1076 the call stmt used and clobbered sets.
1077 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1078 (find_tail_calls): Verify the tail call.
1080 2010-04-12 Richard Guenther <rguenther@suse.de>
1082 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1083 single-iteration always-inline inlining.
1084 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1085 (cgraph_decide_inlining): Do not handle always-inline specially.
1086 (try_inline): Remove always-inline cycle detection special case.
1087 Do not recurse on always-inlines.
1088 (cgraph_early_inlining): Do not iterate if not optimizing.
1089 (cgraph_gate_early_inlining): remove.
1090 (pass_early_inline): Run unconditionally.
1091 (gate_cgraph_decide_inlining): New function.
1092 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1093 not inlining or optimizing.
1094 (cgraph_decide_inlining_of_small_functions): Also consider
1095 always-inline functions.
1096 (cgraph_default_inline_p): Return true for nodes which should
1097 disregard inline limits.
1098 (estimate_function_body_sizes): Assume zero size and time for
1099 nodes which are marked as disregarding inline limits.
1100 (cgraph_decide_recursive_inlining): Do not perform recursive
1101 inlining on always-inline nodes.
1103 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1106 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1107 for exprs satisfying handled_component_p.
1109 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1111 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1112 non-constant aggregate elements.
1114 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1115 is a real initialization.
1117 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1120 * c-decl.c (start_function): Move forward check for nested function.
1122 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1124 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1125 * config/sh/sh.c: Include reload.h.
1126 (sh_legitimize_reload_address): New.
1127 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1128 sh_legitimize_reload_address.
1130 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1132 * config/sh/sh.md (*movqi_pop): New insn pattern.
1133 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1135 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1137 * config/i386/i386.md (any_shiftrt): New code iterator.
1138 (shiftrt_insn): New code attribute.
1140 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1141 using any_shiftrt code iterator.
1142 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1143 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1144 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1145 pattern from corresponding peephole2 patterns.
1146 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1147 using any_shiftrt code iterator.
1148 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1149 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1150 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1151 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1152 *{ashr,lshr}<mode>3_cmp_zext.
1153 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1155 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1157 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1159 (*lshr<mode>3_cconly): Ditto.
1161 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1163 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1164 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1165 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1166 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1168 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1169 from corresponding peephole2 patterns.
1170 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1171 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1172 and *lshrdi3_1_rex64 using SWI mode iterator.
1173 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1174 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1175 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1176 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1177 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1178 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1179 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1180 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1181 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1184 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1186 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1187 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1188 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1189 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1191 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1192 from corresponding peephole2 patterns.
1193 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1194 (ashrsi3_cvt): Rename from ashrsi3_31.
1195 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1196 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1197 and x86_64_shift_adj_3 using SWI48 mode iterator.
1198 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1199 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1200 and *ashrdi3_1_rex64 using SWI mode iterator.
1201 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1202 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1203 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1204 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1205 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1206 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1207 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1208 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1209 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1211 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1212 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1213 x86_shift<mode>_adj_3 expanders.
1215 2010-04-10 Wei Guozhi <carrot@google.com>
1218 * config/arm/arm.c (arm_pic_static_addr): New function.
1219 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1221 (arm_output_addr_const_extra): Output expression for new pattern.
1222 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1224 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1226 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1229 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1230 * web.c: Include "insn-config.h" and "recog.h".
1231 (union_match_dups): New function.
1232 (web_main): Call it.
1233 (union_defs): Don't try to recognize match_dups.
1235 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1236 if doing so would replace the entire pattern.
1238 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1242 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1243 and splitter pattern. Change splitter operand 1 predicate to
1246 2010-04-09 Martin Jambor <mjambor@suse.cz>
1248 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1249 lattices are addresses of CONST_DECLs with the same initial value.
1250 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1251 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1253 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1254 Bernd Schmidt <bernds@codesourcery.com>
1256 * loop-invariant.c (replace_uses): New static function.
1257 (move_invariant_reg): Use it to ensure we can replace the uses.
1259 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1261 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1263 (picochip_override_options): Enable section anchors only above -O1.
1264 (picochip_reorg): Fixed a couple of build warnings.
1266 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1268 * configure.ac (plugin -rdynamic test): Log result.
1269 * configure: Regenerate.
1270 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1271 (RDYNAMIC_SPEC): Define.
1272 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1274 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1276 * configure.ac: Determine Sun ld version numbers.
1277 (comdat_group): Restrict GNU ld version checks to gld.
1278 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1279 (enable_comdat): Support --enable-comdat.
1280 * configure: Regenerate.
1281 * doc/install.texi (Configuration): Document --enable-comdat.
1283 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1285 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1286 * config/sol2-gld.h: ... here.
1287 * config.gcc (sparc*-*-solaris2*): Reflect this.
1288 (i[34567]86-*-solaris2*): Use it.
1290 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1292 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1294 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1296 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1299 * diagnostic.c (diagnostic_initialize): Initialize
1300 some_warnings_are_errors.
1301 (diagnostic_finish): New.
1302 (diagnostic_action_after_output): Call it before exiting.
1303 (diagnostic_report_diagnostic): Do not print message here. Set
1304 some_warnings_are_errors.
1305 * diagnostic.h (diagnostic_context): Delete
1306 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1307 (diagnostic_finish): Declare.
1308 * toplev.c (toplev_main): Call it before exit.
1310 2010-04-09 Jason Merrill <jason@redhat.com>
1313 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1314 for incomplete type.
1317 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1318 based on a warning flag.
1320 2010-04-09 Richard Guenther <rguenther@suse.de>
1322 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1324 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1327 * varasm.c (default_assemble_visibility): Wrap vars that are
1328 set, but unused, by targets without GAS.
1329 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1330 Remove set, but unused, vars.
1331 (rs6000_legitimize_tls_address): Likewise.
1332 (altivec_expand_dst_builtin): Likewise.
1333 * config/darwin.c (machopic_classify_symbol): Likewise.
1334 (machopic_indirection_name): Likewise.
1336 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1338 * config/i386/i386.md (DWI): New mode iterator.
1339 (S): New mode attribute.
1340 (shift_operand): Ditto.
1341 (shift_immediate_operand): Ditto.
1342 (ashl_input_operand): Ditto.
1343 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1344 using SDWIM mode iterator.
1345 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1346 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1348 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1349 from corresponding peephole2 patterns.
1350 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1351 and x86_64_shift_adj_1 using SWI48 mode iterator.
1352 (x86_shift<mode>_adj_2): Ditto.
1353 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1354 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1355 using SWI48 mode iterator.
1356 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1357 *ashldi3_cmp_rex64 using SWI mode iterator.
1358 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1359 *ashldi3_cconly_rex64 using SWI mode iterator.
1360 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1361 x86_shift<mode>_adj_{1,2}.
1362 (ix86_split_ashr): Ditto.
1363 (ix86_split_lshr): Ditto.
1365 2010-04-09 Richard Guenther <rguenther@suse.de>
1367 * target.h (builtin_conversion): Pass in input and output types.
1368 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1369 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1370 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1371 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1373 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1375 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1377 2010-04-09 Richard Guenther <rguenther@suse.de>
1380 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1382 2010-04-09 Richard Guenther <rguenther@suse.de>
1384 * tree-vectorizer.h (struct _stmt_vec_info): Document
1385 that vectype is the type of the LHS.
1386 (supportable_widening_operation, supportable_narrowing_operation):
1387 Get both input and output vector types as arguments.
1388 (vect_is_simple_use_1): Declare.
1389 (get_same_sized_vectype): Likewise.
1390 * tree-vect-loop.c (vect_determine_vectorization_factor):
1391 Set STMT_VINFO_VECTYPE to the vector type of the def.
1392 (vectorizable_reduction): Adjust.
1393 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1394 Adjust. Specify the output vector type.
1395 (vect_pattern_recog_1): Adjust.
1396 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1397 (vectorizable_call): Adjust.
1398 (vectorizable_conversion): Likewise.
1399 (vectorizable_operation): Likewise.
1400 (vectorizable_type_demotion): Likewise.
1401 (vectorizable_type_promotion): Likewise.
1402 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1404 (vect_is_simple_use_1): New function.
1405 (supportable_widening_operation): Get both input and output
1407 (supportable_narrowing_operation): Likewise.
1408 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1410 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1412 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1413 __thiscall and _thiscall as predefined macros.
1414 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1415 thiscall attribute handling.
1416 (ix86_comp_type_attributes): Likewise.
1417 (ix86_function_regparm): Likewise.
1418 (ix86_return_pops_args): Likewise.
1419 (init_cumulative_args): Likewise.
1420 (find_drap_reg): Likewise.
1421 (ix86_static_chain): Likewise.
1422 (x86_this_parameter): Likewise.
1423 (x86_output_mi_thunk): Likewise.
1424 (ix86_attribute_table): Add description for thiscall attribute.
1425 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1426 * doc/extend.texi: Add documentation for thiscall.
1428 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1431 * c.opt (Wint-to-pointer-cast): Available in C++.
1432 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1434 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1436 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1437 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1438 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1439 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1440 function type instead. Reorder and simplify checks.
1442 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1444 2010-04-08 Jing Yu <jingyu@google.com>
1445 Zdenek Dvorak <ook@ucw.cz>
1447 PR tree-optimization/42720
1448 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1449 loop unswitch conditions here from ...
1450 (tree_unswitch_single_loop): ... here.
1452 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1454 * tree-if-conv.c: Fix comments and simplify logic.
1456 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1458 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1459 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1460 (main_tree_if_conversion): Update call to tree_if_conversion.
1462 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1465 * doc/invoke.texi (-b,-V): Delete.
1466 * doc/tm.texi: Do not mention -b.
1467 * gcc.c (display_help): Delete -b and -V.
1468 (process_command): Delete -b and -V.
1469 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1471 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1472 Wolfgang Gellerich <gellerich@de.ibm.com>
1474 Implement target hook for loop unrolling
1475 * target.h (loop_unroll_adjust): Add a new target hook function.
1476 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1477 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1478 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1479 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1480 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1482 (decide_unroll_stupid): Likewise.
1484 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1487 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1489 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1491 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1492 (Specific, *-*-solaris2*): Likewise.
1493 Don't prefer Sun as over GNU as.
1495 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1497 * config/s390/s390.c (override_options): Adjust the z10
1498 defaults for max-unroll-times, max-completely-peeled-insns
1499 and max-completely-peel-times.
1501 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1503 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1504 instructions for z10.
1505 (s390_expand_setmem): Likewise.
1506 (s390_expand_cmpmem): Likewise.
1508 2010-04-08 Richard Guenther <rguenther@suse.de>
1510 PR tree-optimization/43679
1511 * tree-ssa-pre.c (eliminate): Only propagate copies.
1513 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1516 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1517 set but not used variable warning.
1519 2010-04-08 Wei Guozhi <carrot@google.com>
1522 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1523 (arm_size_rtx_costs): Call the new function when optimized for size.
1525 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1528 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1529 op0 is not a MEM, just return NULL instead of assertion
1531 (discover_nonconstant_array_refs): Don't walk debug stmts.
1533 2010-04-08 Doug Kwan <dougkwan@google.com>
1535 * configure.ac: Recognize gold and do not use its version number
1536 to test ld features.
1537 * configure: Regenerate.
1539 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1542 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1543 (negate_value): Move code to push elements to broken_up_substracts ...
1544 (eliminate_plus_minus_pair): ... here. Push operands that have no
1545 negative pair to plus_negates.
1546 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1548 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1550 * doc/install.texi (Configuration): Move description of
1551 --enable-lto, --with-libelf*, --enable-gold from Java section to
1554 * doc/generic.texi (Working with declarations)
1555 (Function Properties, C and C++ Trees): Fix typos.
1556 * doc/sourcebuild.texi (Top Level): Likewise.
1558 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1561 * tree.h (DECL_READ_P): Define.
1562 (struct tree_decl_common): Add decl_read_flag.
1563 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1564 a set but not used warning.
1565 (merge_decls): Merge DECL_READ_P flag.
1566 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1567 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1568 * c-common.c (handle_used_attribute, handle_unused_attribute):
1570 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1572 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1574 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1575 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1576 c_parser_binary_expression, c_parser_cast_expression,
1577 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1578 Call default_function_array_read_conversion instead of
1579 default_function_array_conversion where needed.
1580 (c_parser_unary_expression, c_parser_conditional_expression,
1581 c_parser_postfix_expression_after_primary, c_parser_initelt):
1582 Likewise. Call mark_exp_read where needed.
1583 (c_parser_statement_after_labels, c_parser_asm_operands,
1584 c_parser_typeof_specifier, c_parser_sizeof_expression,
1585 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1587 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1589 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1590 (warn_unused_but_set_parameter): Default to warn_unused
1592 * doc/invoke.texi: Document -Wunused-but-set-variable and
1593 -Wunused-but-set-parameter.
1595 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1596 used count variable.
1597 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1598 when operandN variables aren't used in the body of the expander
1600 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1601 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1602 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1603 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1604 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1605 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1606 * tree.c (PROCESS_ARG): Likewise.
1608 2010-04-07 Simon Baldwin <simonb@google.com>
1610 * diagnostic.h (diagnostic_override_option_index): New macro to
1611 set a diagnostic's option_index.
1612 * c-tree.h (c_cpp_error): Add warning reason argument.
1613 * opts.c (_warning_as_error_callback): New.
1614 (register_warning_as_error_callback): Store callback for
1615 warnings enabled via enable_warning_as_error.
1616 (enable_warning_as_error): Call callback, minor code tidy.
1617 * opts.h (register_warning_as_error_callback): Declare.
1618 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1619 response to -Werror=.
1620 (c_common_init_options): Register warning_as_error_callback in opts.c.
1621 * common.opt: Add -Wno-cpp option.
1622 * c-common.c (struct reason_option_codes_t): Map cpp warning
1623 reason codes to gcc option indexes.
1624 * (c_option_controlling_cpp_error): New function, lookup the gcc
1625 option index for a cpp warning reason code.
1626 * (c_cpp_error): Add warning reason argument, call
1627 c_option_controlling_cpp_error for diagnostic_override_option_index.
1628 * doc/invoke.texi: Document -Wno-cpp.
1630 2010-04-07 Richard Guenther <rguenther@suse.de>
1632 * ipa-reference.c (mark_load): Use get_base_address.
1633 (mark_store): Likewise.
1635 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1636 inserting GIMPLE_NOPs into the IL.
1637 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1638 Explicitly strip handled components and indirect references.
1640 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1641 folding address expressions.
1642 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1643 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1644 operand_equal_p to compare decls.
1645 (ptr_deref_may_alias_decl_p): Likewise.
1646 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1647 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1648 Handle reversed comparison ops.
1649 * tree-sra.c (asm_visit_addr): Use get_base_address.
1650 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1651 * ipa-reference.c (mark_address): Use get_base_address.
1653 2010-04-07 Richard Guenther <rguenther@suse.de>
1655 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1656 Propagate constants everywhere.
1658 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1661 * tree.c (MAX_INT_CACHED_PREC): Define.
1662 (nonstandard_integer_type_cache): New array.
1663 (build_nonstandard_integer_type): Cache results for precision
1664 <= MAX_INT_CACHED_PREC.
1666 2010-04-07 Richard Guenther <rguenther@suse.de>
1668 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1669 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1670 * common.opt: Likewise.
1671 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1672 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1673 (nonoverlapping_memrefs_p): Likewise.
1674 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1675 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1676 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1677 OPT_fargument_noalias_global for backward compatibility.
1679 2010-04-07 Richard Guenther <rguenther@suse.de>
1681 PR tree-optimization/43270
1682 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1683 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1684 * tree-ssa-pre.c (phi_translate_1): Adjust.
1685 (fully_constant_expression): Split out vn_reference handling to ...
1686 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1687 Fold reads from constant strings.
1688 (vn_reference_lookup): Handle fully constant references.
1689 (vn_reference_lookup_pieces): Likewise.
1690 * Makefile.in (expmed.o-warn): Add -Wno-error.
1692 2010-04-07 Martin Jambor <mjambor@suse.cz>
1694 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1696 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1699 * gcc.c: Add -static-libstdc++ to list of recognized options.
1701 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1703 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1705 2010-04-07 Richard Guenther <rguenther@suse.de>
1708 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1709 bases build simple mem attributes to retain points-to information.
1711 2010-04-07 Richard Guenther <rguenther@suse.de>
1714 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1715 preserve points-to related information.
1717 2010-04-07 Richard Guenther <rguenther@suse.de>
1720 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1721 discard plain indirect references.
1722 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1723 * tree.c (tree_nop_conversion): Likewise.
1725 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1728 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1730 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1732 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1733 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1735 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1737 * tree-if-conv.c: Fix indentation and comments.
1739 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1741 * tree-if-conv.c: Sort static functions in topological order.
1743 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1745 * tree-if-conv.c: Fix indentation and comments.
1747 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1750 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1751 lang_hooks.types.type_for_size instead of
1752 build_nonstandard_integer_type.
1753 When converting an unsigned type to signed, double its precision.
1754 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1755 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1756 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1759 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1762 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1763 POINTER_PLUS_EXPR for pointer types.
1765 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1768 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1769 * graphite-clast-to-gimple.c: Include langhooks.h.
1770 (max_signed_precision_type): New.
1771 (max_precision_type): Takes two types as arguments.
1772 (precision_for_value): New.
1773 (precision_for_interval): New.
1774 (gcc_type_for_interval): New.
1775 (gcc_type_for_value): New.
1776 (gcc_type_for_clast_term): New.
1777 (gcc_type_for_clast_red): New.
1778 (gcc_type_for_clast_bin): New.
1779 (gcc_type_for_clast_expr): Split up into several functions.
1780 (gcc_type_for_clast_eq): Rewritten.
1781 (compute_bounds_for_level): New.
1782 (compute_type_for_level_1): New.
1783 (compute_type_for_level): New.
1784 (gcc_type_for_cloog_iv): Removed.
1785 (gcc_type_for_iv_of_clast_loop): Rewritten.
1786 (graphite_create_new_loop): Compute the lower and upper bound types
1787 with gcc_type_for_clast_expr.
1788 (graphite_create_new_loop_guard): Same.
1789 (find_cloog_iv_in_expr): Removed.
1790 (compute_cloog_iv_types_1): Removed.
1791 (compute_cloog_iv_types): Removed.
1792 (gloog): Do not call compute_cloog_iv_types.
1793 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1795 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1796 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1797 (GBB_CLOOG_IV_TYPES): Removed.
1799 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1801 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1802 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1803 (detect_commutative_reduction): Same.
1805 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1807 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1808 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1810 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1811 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1812 (rewrite_commutative_reductions_out_of_ssa): Same.
1813 * passes.c (execute_function_todo): Call verify_ssa for every pass
1814 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1815 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1816 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1817 with an extra argument.
1818 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1819 verify_ssa only when the extra argument is true.
1820 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1821 with an extra argument.
1822 (tree_transform_and_unroll_loop): Same.
1824 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1826 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1827 for all the passes of the LNO having LOOP_CLOSED_SSA.
1828 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1829 * tree-loop-distribution.c (pass_loop_distribution): Same.
1830 * tree-pass.h (TODO_verify_loops): Removed.
1831 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1833 (pass_tree_unswitch): Same.
1834 (pass_predcom): Same.
1835 (pass_vectorize): Same.
1836 (pass_linear_transform): Same.
1837 (pass_graphite_transforms): Same.
1838 (pass_iv_canon): Same.
1839 (pass_complete_unroll): Same.
1840 (pass_complete_unrolli): Same.
1841 (pass_parallelize_loops): Same.
1842 (pass_loop_prefetch): Same.
1843 (pass_iv_optimize): Same.
1845 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1848 * passes.c (init_optimization_passes): Move pass_lim before
1849 pass_copy_prop and pass_dce_loop.
1851 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1854 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1855 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1856 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1857 MULTI_* defines for 4 argument vpermil2p* builtins.
1859 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1861 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1862 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1863 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1864 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1865 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1866 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1867 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1868 Use x86_maybe_negate_const_int to output insn mnemonic.
1869 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1870 check from instruction predicate. Update comments.
1871 * config/i386/sync.md (sync_add<mode>): Use
1872 x86_maybe_negate_const_int to output insn mnemonic.
1874 2010-04-06 Jan Hubicka <jh@suse.cz>
1876 PR tree-optimization/42906
1877 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1878 IGNORE_SELF argument. Set visited_control_parents for fully
1880 (find_obviously_necessary_stmts): Update call of
1881 mark_control_dependent_edges_necessary.
1882 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1884 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1886 * config/i386/i386.md: Remove comment about 'e' and 'E'
1889 2010-04-06 Richard Guenther <rguenther@suse.de>
1891 PR tree-optimization/43627
1892 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1893 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1896 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1898 * BASE-VER: Change to 4.6.0.
1901 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1904 2010-04-06 Richard Guenther <rguenther@suse.de>
1907 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1909 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1911 * doc/invoke.texi (Optimize Options): Document that LTO
1912 won't remove object access purely due to incompatible
1915 2010-04-04 Matthias Klose <doko@ubuntu.com>
1917 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1918 Initialize variable.
1920 2010-04-03 Richard Guenther <rguenther@suse.de>
1923 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
1924 require a non-NULL MEM_OFFSET.
1926 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
1928 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
1929 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
1930 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
1931 config/alpha/predicates.md, config/arm/arm.md,
1932 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
1933 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
1934 config/darwin9.h, config/darwin.c, config/darwin.h,
1935 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
1936 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
1937 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
1938 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
1939 config/mips/mips.md, config/mn10300/mn10300.c,
1940 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
1941 config/rs6000/aix.h, config/rs6000/dfp.md,
1942 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
1943 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
1944 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
1945 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
1946 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
1947 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
1948 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
1949 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
1950 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
1951 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
1952 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
1953 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
1954 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
1955 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
1956 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
1957 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
1958 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
1959 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
1960 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
1961 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
1962 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
1963 opt-functions.awk, opth-gen.awk, params.def, passes.c,
1964 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
1965 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
1966 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
1967 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
1968 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
1969 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
1970 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
1971 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
1972 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
1973 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
1974 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
1975 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
1976 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
1977 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
1979 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1982 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
1983 * aclocal.m4: Regenerate.
1985 2010-04-02 Richard Guenther <rguenther@suse.de>
1987 PR tree-optimization/43629
1988 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
1989 if we have seen a constant value.
1991 2010-04-02 Joseph Myers <joseph@codesourcery.com>
1993 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
1995 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
1998 * arm.c (legitimize_tls_address): Adjust call to
1999 gen_tls_load_dot_plus_four.
2000 (arm_note_pic_base): New function.
2001 (arm_cannot_copy_insn_p): Use it.
2002 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2005 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2010 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2012 * Makefile.in ($(out_object_file)): Depend on
2013 gt-$(basename $(notdir $(out_file))).h.
2015 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2017 * config.gcc (lm32-*-rtems*): Add t-lm32.
2019 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2021 * config.gcc: Add lm32-*-rtems*.
2022 * config/lm32/rtems.h: New file.
2024 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2027 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2029 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2031 * dwarf2out.c (output_compilation_unit_header): For
2032 -gdwarf-4 use version 4 instead of version 3.
2033 (output_line_info): For version 4 and above emit additional
2034 maximum ops per insn header field.
2035 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2037 * dwarf2out.c (is_c_family, is_java): Remove.
2038 (lower_bound_default): New function.
2039 (add_bound_info, gen_descr_array_type_die): Use it.
2041 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2044 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2045 re-declaration when it happens in a function.
2047 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2049 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2050 (cgraph_remove_function_insertion_hook): Same.
2051 (cgraph_call_function_insertion_hooks): Same.
2053 2010-04-01 Richard Guenther <rguenther@suse.de>
2056 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2057 and TREE_THIS_VOLATILE.
2058 (copy_ref_info): Likewise.
2059 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2060 * tree.c (build6_stat): Ignore side-effects of all but arg5
2061 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2064 2010-04-01 Richard Guenther <rguenther@suse.de>
2066 PR tree-optimization/43607
2067 * ipa-type-escape.c (check_call): Do not access non-existing
2070 2010-04-01 Richard Guenther <rguenther@suse.de>
2074 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2075 Jack Howarth <howarth@bromo.med.uc.edu>
2077 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2080 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2082 * doc/install.texi (Prerequisites): Document libelf usability on
2083 IRIX 5/6 and Solaris 2.
2084 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2085 Update GNU as, GNU ld requirements.
2086 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2087 Document Sun Studio compiler download.
2088 Update and simplify as, ld recommendations.
2089 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2091 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2093 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2094 with_tune_32 to pentium4.
2096 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2098 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2100 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2102 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2103 obsoletion, removal.
2105 Document GNU as requirement.
2106 Update configure requirements.
2107 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2108 Recomment IRIX 6.5.18+.
2109 Document IDF/IDL requirement.
2110 Document GNU as requirement.
2111 Document GNU ld bootstrap failure.
2112 Remove freeware.sgi.com reference.
2114 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2116 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2117 UNIX V4.0, V5.0 obsoletion, removal.
2118 Remove --with-gc=simple reference.
2119 Update VM requirements during bootstrap.
2120 Remove -oldas bootstrap description.
2121 Update binutils reference.
2122 Remove comparison failure note.
2124 2010-03-31 Richard Guenther <rguenther@suse.de>
2125 Zdenek Dvorak <ook@ucw.cz>
2126 Sebastian Pop <sebastian.pop@amd.com>
2129 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2130 with multiple arguments.
2131 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2133 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2135 * graphite-dependences.c (print_pddr): Call print_pdr with an
2137 * graphite-poly.c (debug_pdr): Add an extra argument for the
2140 (print_pbb_domain): Same.
2142 (print_scop_context): Same.
2144 (print_cloog): Same.
2145 (debug_pbb_domain): Same.
2149 (debug_scop_context): Same.
2151 (debug_cloog): Same.
2152 (print_scop_params): Same.
2153 (debug_scop_params): Same.
2154 (print_iteration_domain): Same.
2155 (print_iteration_domains): Same.
2156 (debug_iteration_domain): Same.
2157 (debug_iteration_domains): Same.
2158 (print_scattering_function): Same.
2159 (print_scattering_functions): Same.
2160 (debug_scattering_function): Same.
2161 (debug_scattering_functions): Same.
2162 * graphite-poly.h (debug_pdr): Update declaration.
2164 (print_pbb_domain): Same.
2166 (print_scop_context): Same.
2168 (print_cloog): Same.
2169 (debug_pbb_domain): Same.
2173 (debug_scop_context): Same.
2175 (debug_cloog): Same.
2176 (print_scop_params): Same.
2177 (debug_scop_params): Same.
2178 (print_iteration_domain): Same.
2179 (print_iteration_domains): Same.
2180 (debug_iteration_domain): Same.
2181 (debug_iteration_domains): Same.
2182 (print_scattering_function): Same.
2183 (print_scattering_functions): Same.
2184 (debug_scattering_function): Same.
2185 (debug_scattering_functions): Same.
2187 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2189 * graphite-poly.c (print_scattering_function_1): New.
2190 (print_scattering_function): Call it.
2191 (print_scop_params): Remove spaces at the end of lines.
2194 * graphite-poly.h (print_cloog): Declared.
2195 (debug_cloog): Declared.
2197 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2199 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2201 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2202 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2203 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2204 to switch between adding the IV bump in loop->latch or in loop->header.
2206 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2208 * graphite-poly.c (print_scattering_function): Pretty print following
2211 (print_pbb_domain): Same.
2212 (dump_gbb_cases): Same.
2213 (dump_gbb_conditions): Same.
2216 (print_scop_params): Same.
2217 (print_scop_context): Same.
2219 (print_pbb_body): New.
2220 (lst_indent_to): New.
2221 (print_lst): Start new lines with a #.
2222 * graphite-poly.h (pbb_bb): New.
2223 (pbb_index): Use pbb_bb.
2224 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2226 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2228 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2230 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2231 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2232 and 0 instead of 1 for dw_val_class_flag.
2233 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2234 dw_val_class_range_list, dw_val_class_loc_list,
2235 dw_val_class_lineptr and dw_val_class_macptr, use
2236 DW_FORM_flag_present for dw_val_class_flag and
2237 DW_FORM_exprloc for dw_val_class_loc.
2238 (output_die): For -gdwarf-4 print dw_val_class_loc
2239 size as uleb128 instead of 1 or 2 bytes and don't print
2240 anything for dw_val_class_flag.
2242 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2243 instead of cselib_lookup following by tweaking locs->setting_insn.
2246 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2247 even before returning from label, setjmp call or volatile asm
2250 2010-03-31 Richard Guenther <rguenther@suse.de>
2253 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2254 temporary data on stack.
2256 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2258 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2259 (PUSHSECTION_ASM_OP): Remove.
2260 (POPSECTION_ASM_OP): Remove.
2261 (PUSHSECTION_FORMAT): Remove.
2262 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2263 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2264 * config/sol2.c (solaris_output_init_fini): Use it.
2266 2010-03-31 Jie Zhang <jie@codesourcery.com>
2269 * opt-functions.awk (var_type_struct): Use signed char type
2270 for simple variables.
2272 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2274 * config/sol2.c: Include output.h.
2275 (solaris_assemble_visibility): New function.
2276 * config/t-sol2 (sol2.o): Add output.h dependency.
2277 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2278 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2281 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2284 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2285 V2SImode or XFmode on PRE_DEC.
2288 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2291 2010-03-31 Jie Zhang <jie@codesourcery.com>
2294 * reload.h (caller_save_initialized_p): Declare.
2295 * toplev.c (backend_init_target): Don't call
2296 init_caller_save but set caller_save_initialized_p to false.
2297 * caller-save.c (caller_save_initialized_p): Define.
2298 (init_caller_save): Check caller_save_initialized_p.
2299 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2301 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2304 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2305 and soft-fp/t-softfp to tmake_file.
2306 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2307 (LIBGCC2_TF_CEXT): Define.
2310 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2313 * cselib.c (n_useless_values): Document handling of debug locs.
2314 (n_useless_debug_values, n_debug_values): New variables.
2315 (new_elt_loc_list): Don't add to debug values, keep count.
2316 (promote_debug_loc): New.
2317 (cselib_reset_table): Zero new variables.
2318 (entry_and_rtx_equal_p): Promote debug locs.
2319 (discard_useless_locs): Increment n_useless_debug_values for
2321 (remove_useless_values): Adjust n_useless_values and n_debug_values
2322 with n_useless_debug_values.
2323 (add_mem_for_addr): Promote debug locs.
2324 (cselib_lookup_mem): Likewise.
2325 (cselib_lookup_addr): Renamed to...
2326 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2327 (cselib_log_lookup): ... this. Turn into...
2328 (cselib_lookup_addr): ... new wrapper.
2329 (cselib_lookup_from_insn): New.
2330 (cselib_invalidate_regno): Increment n_useless_debug_values for
2332 (cselib_invalidate_mem): Likewise.
2333 (cselib_process_insn): Take n_deleted and n_debug_values into
2334 account to guard remove_useless_value call.
2335 (cselib_finish): Zero n_useless_debug_values.
2336 * cselib.h (cselib_lookup_from_insn): Declare.
2337 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2338 (sched_analyze_2): Likewise.
2340 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2342 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2344 (adjust_mems): Replace narrowing SUBREG of expression containing
2345 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2346 with operations in the narrower mode.
2349 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2350 regs_invalidated_by_call instead all call_used_reg_set registers.
2352 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2355 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2356 pointer comparisons with types_compatible_p.
2357 * tree-vect-stmts.c (vectorizable_call): Same.
2358 (vectorizable_condition): Same.
2360 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2362 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2363 stack check if the mask would be zero.
2365 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2366 Jack Howarth <howarth@bromo.med.uc.edu>
2368 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2371 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2374 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2376 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2377 Include ___unordxf2 and ___unordtf2.
2378 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2381 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2383 * config/lm32/t-lm32: New file.
2384 * config.gcc: Use the above file when targetting lm32.
2386 2010-03-28 Duncan Sands <baldrick@free.fr>
2388 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2390 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2393 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2394 Improve vectorization cost model diagnostic.
2396 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2399 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2400 compute_data_dependences_for_loop returns false, early exit
2401 and output an extra diagnostic for the failed data reference
2404 2010-03-29 Richard Guenther <rguenther@suse.de>
2406 PR tree-optimization/43560
2407 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2408 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2410 2010-03-29 Jie Zhang <jie@codesourcery.com>
2413 * toplev.c (process_options): Set optimization_default_node
2414 and optimization_current_node.
2415 * opts.c (decode_options): Don't set optimization_default_node
2416 and optimization_current_node.
2418 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2420 * config/rtems.h: Abandon -qrtems_debug.
2422 2010-03-28 Jan Hubicka <jh@suse.cz>
2424 PR tree-optimization/43505
2425 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2426 map should not be copied.
2428 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2431 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2432 cdtors, set DECL_PRESERVE_P.
2433 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2436 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2438 PR tree-optimization/43528
2439 * stor-layout.c (place_field): Check that constant fits into
2440 unsigned HWI when skipping calculation of MS bitfield layout.
2442 2010-03-27 Jan Hubicka <jh@suse.cz>
2445 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2446 notice_global_symbol work.
2448 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2450 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2451 instead of dwarf2out_decl.
2452 (struct var_loc_node): Remove section_label field.
2453 (dwarf2out_function_decl): New function.
2454 (dwarf2out_var_location): Don't set section_label field.
2455 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2457 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2459 PR tree-optimization/43544
2460 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2461 First argument for builtin vectorized function hook is now a
2462 tree to be able to distinguish between machine specific and
2464 * targhooks.c (default_builtin_vectorized_function): Ditto.
2465 * targhooks.h (default_builtin_vectorized_function): Ditto.
2466 * target.h (struct gcc_target): Ditto.
2467 * tree-vect-stmts.c (vectorizable_function): Ditto.
2468 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2469 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2472 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2475 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2476 nested binding iff it is a FUNCTION_DECL.
2477 (store_parm_decls_newstyle): Pass nested=true to bind for
2478 FUNCTION_DECLs amongst parameters.
2480 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2482 * var-tracking.c (vt_expand_loc_callback): Don't run
2483 cselib_expand_value_rtx_cb in dummy mode if
2484 cselib_dummy_expand_value_rtx_cb returned false.
2486 * var-tracking.c (emit_note_insn_var_location): For one part
2487 notes with offset 0, don't add EXPR_LIST around the location.
2488 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2489 add_location_or_const_value_attribute): Adjust for that change.
2492 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2493 into first operand and location into second.
2494 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2495 dw_cfi_oprnd_loc for DW_CFA_expression.
2496 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2497 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2498 assume first argument is regnum and second argument is location.
2500 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2503 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2504 of scratch register to DImode. Split to DImode comparison operator.
2505 Use SImode subreg of scratch register in the multiplication.
2506 (*cmp_sadd_sidi): Ditto.
2507 (*cmp_ssub_si): Ditto.
2508 (*cmp_ssub_sidi): Ditto.
2510 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2513 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2514 Remove invalid assert and wrong comment.
2516 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2519 * flags.h (final_insns_dump_p): New extern.
2520 * final.c (final_insns_dump_p): New variable.
2521 (rest_of_clean_state): Set it before -fdump-final-insns=
2522 dumping, clear afterwards.
2523 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2524 MEM_ALIAS_SET on MEMs.
2526 2010-03-26 David S. Miller <davem@davemloft.net>
2528 * configure.ac: Fix sparc GOTDATA_OP bug check.
2529 * configure: Rebuild.
2531 2010-03-26 Alan Modra <amodra@gmail.com>
2533 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2535 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2537 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2538 TLS_SECTION_ASM_FLAG.
2540 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2543 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2544 Clear first_function_block_is_cold.
2547 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2548 argument if the argument is truth_value_p.
2550 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2552 * config/rs6000/constraints.md: Update copyright year for my changes.
2555 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2556 used in reg+reg addressing, swap registers.
2558 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2561 * target.h (struct gcc_target): Add code_end hook.
2562 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2564 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2565 * toplev.c (compile_file): Call targetm.asm_out.code_end
2566 hook before unwind info/debug info output.
2567 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2568 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2569 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2570 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2571 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2572 * config/i386/i386.c (ix86_file_end): Renamed to...
2573 (ix86_code_end): ... this. Make static. Don't call
2574 file_end_indicate_exec_stack. Emit unwind info using
2575 final_start_function/final_end_function.
2576 (darwin_x86_file_end): Remove.
2577 (TARGET_ASM_CODE_END): Define.
2578 * config/i386/i386.h (TARGET_ASM_FILE_END,
2579 NEED_INDICATE_EXEC_STACK): Don't define.
2580 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2581 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2582 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2583 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2586 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2587 at the beginning and final_end_function at the end.
2588 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2590 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2592 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2593 and Sun as TLS syntax.
2594 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2595 * configure: Regenerate.
2596 * config.in: Regenerate.
2597 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2598 (default_elf_asm_named_section): Use it.
2599 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2600 (i386_output_dwarf_dtprel): Likewise.
2601 (output_addr_const_extra): Likewise.
2602 (output_pic_addr_const): Lowercase @GOTTPOFF.
2603 (output_addr_const_extra): Likewise.
2604 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2605 (output_addr_const_extra): Likewise.
2606 (output_pic_addr_const): Lowercase @INDNTPOFF.
2607 (output_addr_const_extra): Likewise.
2608 (output_pic_addr_const): Lowercase @NTPOFF.
2609 (output_addr_const_extra): Likewise.
2610 (output_pic_addr_const): Lowercase @TPOFF.
2611 (output_addr_const_extra): Likewise.
2612 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2613 (*tls_global_dynamic_64): Likewise.
2614 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2615 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2617 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2618 (ASM_OUTPUT_TLS_COMMON): Use it.
2619 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2622 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2623 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2624 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2625 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2626 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2627 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2629 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2631 * config/i386/i386.c (override_options): Don't accept
2632 -mtls-dialect=sun any longer.
2633 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2634 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2635 (*tls_local_dynamic_base_32_sun): Likewise.
2636 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2638 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2641 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2642 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2645 * ira.c (adjust_cleared_regs): New function.
2646 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2650 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2652 * expr.c (expand_expr_real): Restore previous
2653 curr_insn_source_location and curr_insn_block after
2654 expand_expr_real_1 call.
2655 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2656 instead of expand_expr_real_1.
2658 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2660 PR rtl-optimization/43413
2661 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2664 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2667 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2668 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2670 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2672 * config/i386/i386.c (ix86_target_string): Add -mfma.
2673 Fix a typo in comment.
2675 2010-03-22 Mike Stump <mikestump@comcast.net>
2678 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2679 Don't overly align based upon packed packed fields.
2681 2010-03-22 Jason Merrill <jason@redhat.com>
2683 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2684 Use () rather than [], and move before the element type.
2686 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2688 * doc/configfiles.texi (Configuration Files): Removed
2689 fixinc/Makefile*, intl/Makefile.*.
2690 * doc/makefile.texi: Fixed markup. Abstract from version
2691 control system used.
2692 (Makefile): Removed obsolete gcc/java/parse.y example.
2693 * doc/sourcebuild.texi: Likewise.
2694 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2695 libgomp, libssp. Removed fastjar.
2696 (Miscellaneous Docs): Clarify location.
2697 Added COPYING3, COPYING3.LIB.
2698 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2700 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2703 * config/i386/i386.c (x86_function_profiler)
2704 [!NO_PROFILE_COUNTERS]: Fix typo.
2705 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2708 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2709 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2711 * doc/sourcebuild.texi (Test Directives): Split into six
2712 subsections, with most of the current text in new subsections
2713 Directives, Selectors, and Final Actions.
2714 (Directives): Split list of test directives into multiple
2716 (Selectors): Describe use and syntax of selectors.
2717 (Effective-Target Keywords): Describe all existing keywords.
2718 (Add Options): Describe features for dg-add-options.
2719 (Require Support): Describe variants of dg-require-support.
2720 (Final Actions): Describe commands to use in dg-final.
2722 2010-03-22 Michael Matz <matz@suse.de>
2725 * recog.c (validate_replace_rtx_group): Replace also in
2726 REG_EQUAL and REG_EQUIV notes.
2728 2010-03-22 Richard Guenther <rguenther@suse.de>
2730 PR tree-optimization/43390
2731 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2732 sure vector extracts are type correct.
2734 2010-03-22 Richard Guenther <rguenther@suse.de>
2737 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2738 x * sqrt (x) even when optimizing for size if the target
2739 has native support for sqrt.
2741 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2743 * varasm.c (make_decl_rtl_for_debug): Also clear
2744 flag_mudflap for the duration of make_decl_rtl call.
2747 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2748 locs from preserved VALUEs.
2750 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2753 * pa.md (movmemsi): Set align to one if zero.
2754 (movmemdi): Likewise.
2756 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2759 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2760 with their corresponding prologue pushes.
2762 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2765 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2766 at the begining or end.
2767 (spu_expand_epilogue): Likewise.
2769 2010-03-20 Richard Guenther <rguenther@suse.de>
2771 PR rtl-optimization/43438
2772 * combine.c (make_extraction): Properly zero-/sign-extend an
2773 extraction of the low part of a CONST_INT. Also handle
2776 2010-03-19 Mike Stump <mikestump@comcast.net>
2778 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2779 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2780 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2782 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2785 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2788 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2790 PR rtl-optimization/42258
2791 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2792 use that may match DEF.
2795 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2796 the cost of loading the constant rather than assuming
2798 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2799 outer code is AND, do the same tests as the andsi3 expander and
2800 return COSTS_N_INSNS (1) if and is cheap.
2802 * optabs.c (avoid_expensive_constant): Fix formatting.
2804 2010-03-19 Michael Matz <matz@suse.de>
2807 * attribs.c (decl_attributes): When rebuilding a function pointer
2808 type use the same qualifiers as the original pointer type.
2810 2010-03-19 Martin Jambor <mjambor@suse.cz>
2812 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2813 and is_gimple_ip_invariant_address.
2815 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2818 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2820 * config/arm/arm.c (arm_override_options): Turn off
2821 flag_dwarf2_cfi_asm for AAPCS variants.
2823 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2826 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2827 Use PRE_MODIFY instead of PRE_DEC.
2828 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2829 (vfp_emit_fstmd): Likewise.
2831 2010-03-19 Michael Matz <matz@suse.de>
2834 * builtins.c (expand_builtin_interclass_mathfn,
2835 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2838 2010-03-19 Richard Guenther <rguenther@suse.de>
2840 PR tree-optimization/43415
2841 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2842 (phi_translate_1): ... this.
2843 (phi_translate): Move all caching here. Cache all NARY
2844 and REFERENCE translations.
2846 2010-03-19 David S. Miller <davem@davemloft.net>
2848 With help from Eric Botcazou.
2849 * config/sparc/sparc.c: Include dwarf2out.h.
2850 (emit_pic_helper): Delete.
2851 (pic_helper_symbol_name): Delete.
2852 (pic_helper_emitted_p): Delete.
2853 (pic_helper_needed): New.
2854 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2855 (get_pc_thunk_name): New.
2856 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2857 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2858 Set pic_helper_needed to true. Don't call emit_pic_helper.
2859 (sparc_expand_prologue): Update load_pic_register call.
2860 (sparc_output_mi_thunk): Likewise.
2861 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2862 thunk if possible. Output CFI information as needed.
2864 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2865 Jack Howarth <howarth@bromo.med.uc.edu>
2868 * config/i386/i386.h: Fix ABI on darwin x86-32.
2870 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2872 * tree.h: Declare make_decl_rtl_for_debug.
2873 * varasm.c (make_decl_rtl_for_debug): New.
2874 * dwarf2out.c (rtl_for_decl_location): Call it.
2875 * cfgexpand.c (expand_debug_expr): Call it.
2877 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2880 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2884 * var-tracking.c (vt_init_cfa_base): Do nothing if
2885 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2887 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2890 * var-tracking.c (canonicalize_vars_star): New.
2891 (dataflow_post_merge_adjust): Use it.
2893 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2896 * var-tracking.c (non_suitable_const): New function.
2897 (add_uses): For DEBUG_INSNs with constants, don't record any
2898 value, instead just the constant value itself.
2899 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2900 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2901 (emit_notes_in_bb): Likewise.
2902 (emit_note_insn_var_location): For onepart variables if
2903 cur_loc is a VOIDmode constant, use DECL_MODE.
2905 2010-03-18 Martin Jambor <mjambor@suse.cz>
2908 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2909 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2910 all non-clones. Moved call redirection...
2911 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2912 (cgraph_materialize_all_clones): Dispose of all
2913 combined_args_to_skip bitmaps.
2914 (verify_cgraph_node): Do not check for edges pointing to wrong
2915 nodes in inline clones.
2916 * tree-inline.c (copy_bb): Call
2917 cgraph_redirect_edge_call_stmt_to_callee.
2918 * ipa.c (cgraph_remove_unreachable_nodes): Call
2919 cgraph_node_remove_callees even when there are used clones.
2921 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2923 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
2925 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2928 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
2931 2010-03-18 Michael Matz <matz@suse.de>
2934 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
2935 into sqrt(x) if we need to preserve signed zeros.
2937 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
2938 Eric Botcazou <ebotcazou@adacore.com>
2940 PR rtl-optimization/43360
2941 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
2942 note if we don't know its invariant status.
2944 2010-03-18 Michael Matz <matz@suse.de>
2946 PR tree-optimization/43402
2947 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
2948 PHI chains of ssa names registered for update.
2950 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
2953 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
2954 non-offsettable and pre_modify update addressing.
2955 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
2956 and "2" alternatives "#".
2957 (*movdd_softfloat32): Make all alternatives "#";
2958 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
2959 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
2960 (*movdf_softfloat32): Make all alternatives "#";
2961 (movdi): Use the new DIFD mode iterator to create a common splitter
2962 for movdi, movdf and movdd patterns.
2964 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
2966 * common.opt (dumpdir): Remove redundant tab.
2968 2010-03-17 Martin Jambor <mjambor@suse.cz>
2970 PR tree-optimization/43347
2971 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
2972 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
2974 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
2976 PR rtl-optimization/42216
2977 * regrename.c (create_new_chain): New function, broken out from...
2978 (scan_rtx_reg): ... here. Call it. Handle the case where we are
2979 appending a use to an empty chain.
2980 (build_def_use): Remove previous changes that convert OP_INOUT to
2981 OP_OUT operands; instead detect the case where an OP_INOUT operand
2982 uses a previously untracked register and create an empty chain for it.
2984 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2986 * doc/extend.texi (Function Attributes): Rewrite unfinished
2987 sentence in ms_abi documentation.
2989 2010-03-17 Alan Modra <amodra@gmail.com>
2991 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
2992 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
2993 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
2994 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
2996 2010-03-16 Richard Henderson <rth@redhat.com>
2999 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3000 (lower_try_finally): Save and restore eh_seq around the expansion
3003 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3005 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3006 statements before splitting block.
3008 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3010 * doc/sourcebuild.texi (Testsuites): Fix markup.
3011 Use pathnames relative to gcc/testsuite.
3012 (Test Directives): Move description of how timeout is determined.
3013 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3014 (C Tests): Correct gcc.misc-tests directory.
3015 Framework tests now live in gcc.test-framework.
3017 2010-03-16 Richard Guenther <rguenther@suse.de>
3020 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3021 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3023 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3024 Alexandre Oliva <aoliva@redhat.com>
3026 PR tree-optimization/42917
3027 * lambda-code.c (remove_iv): Skip debug statements.
3028 (lambda_loopnest_to_gcc_loopnest): Likewise.
3029 (not_interesting_stmt): Debug statements are not interesting.
3031 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3035 * cselib.c (cselib_preserve_constants,
3036 cfa_base_preserved_val): New static variables.
3037 (preserve_only_constants): New function.
3038 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3039 clear its REG_VALUES. If cselib_preserve_constants, don't
3040 empty the whole hash table, but preserve there VALUEs with constants,
3041 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3042 (cselib_preserve_cfa_base_value): New function.
3043 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3044 (cselib_init): Change argument to int bitfield. Set
3045 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3047 (cselib_finish): Clear cselib_preserve_constants and
3048 cfa_base_preserved_val.
3049 * cselib.h (enum cselib_record_what): New enum.
3050 (cselib_init): Change argument to int.
3051 (cselib_preserve_cfa_base_value): New prototype.
3052 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3053 * dse.c (dse_step1): Likewise.
3054 * cfgcleanup.c (thread_jump): Likewise.
3055 * sched-deps.c (sched_analyze): Likewise.
3056 * gcse.c (local_cprop_pass): Likewise.
3057 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3058 If FN is non-NULL, call the callback always and whenever it returns
3059 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3060 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3061 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3062 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3063 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3064 * var-tracking.c: Include recog.h.
3065 (bb_stack_adjust_offset): Remove.
3066 (vt_stack_adjustments): Don't call it, instead just gather the
3067 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3068 (adjust_stack_reference): Remove.
3069 (compute_cfa_pointer): New function.
3070 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3071 (struct adjust_mem_data): New type.
3072 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3074 (get_address_mode): New function.
3075 (replace_expr_with_values): Use it.
3076 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3077 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3078 (adjust_sets): Remove.
3079 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3080 Use get_address_mode.
3081 (get_adjusted_src): Remove.
3082 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3083 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3084 (add_with_sets): Don't call adjust_sets.
3085 (fp_setter, vt_init_cfa_base): New functions.
3086 (vt_initialize): Change return type to bool. Move most of pool etc.
3087 initialization to the beginning of the function from end. Pass
3088 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3089 If !frame_pointer_needed, call vt_stack_adjustment before mos
3090 vector is filled, call vt_init_cfa_base if argp/framep has been
3091 eliminated to sp. If frame_pointer_needed and argp/framep has
3092 been eliminated to hard frame pointer, set
3093 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3094 encountering fp setter in the prologue. For MO_ADJUST, call
3095 log_op_type before pusing the op into mos vector, not afterwards.
3096 Call adjust_insn before cselib_process_insn/add_with_sets,
3097 call cancel_changes (0) afterwards.
3098 (variable_tracking_main_1): Adjust for vt_initialize calling
3099 vt_stack_adjustments and returning whether it succeeded or not.
3101 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3103 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3106 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3108 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3110 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3111 drap_reg has not been set.
3113 2010-03-15 Michael Matz <matz@suse.de>
3116 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3117 use it to expand block copies.
3118 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3119 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3120 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3122 2010-03-15 Richard Guenther <rguenther@suse.de>
3124 PR tree-optimization/43367
3125 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3128 2010-03-15 Richard Guenther <rguenther@suse.de>
3130 PR tree-optimization/43317
3131 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3133 2010-03-15 Martin Jambor <mjambor@suse.cz>
3135 PR tree-optimization/43141
3136 * tree-sra.c (create_abstract_origin): New function.
3137 (modify_function): Call create_abstract_origin.
3139 2010-03-15 Chris Demetriou <cgd@google.com>
3141 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3144 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3147 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3148 call insert_out_of_ssa_copy for default definitions.
3150 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3152 * graphite-clast-to-gimple.c (my_long_long): Defined.
3153 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3154 * graphite-sese-to-poly.c (my_long_long): Defined.
3155 (scop_ivs_can_be_represented): Use it.
3157 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3159 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3160 graphite-max-bbs-per-function, and loop-block-tile-size.
3161 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3163 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3165 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3167 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3168 forward declaration.
3169 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3170 (add_upper_bounds_from_estimated_nit): New.
3171 (build_loop_iteration_domains): Use it.
3173 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3175 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3177 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3180 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3181 should be an INTEGER_CST. Also handle CASE_CONVERT.
3183 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3185 * graphite.c (graphite_initialize): To bound the number of bbs per
3186 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3187 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3188 * doc/invoke.texi: Document it.
3190 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3192 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3193 * graphite-sese-to-poly.h (build_poly_scop): Same.
3195 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3197 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3198 the number of parameters in the scop. Use as an upper bound
3199 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3200 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3201 * doc/invoke.texi: Document it.
3203 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3205 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3206 * doc/c-tree.texi: Remove.
3207 * doc/generic.texi: Merge c-tree.texi here.
3208 * doc/gccint.texi (Trees): Remove menu entry.
3209 (c-tree.texi): Remove @include.
3210 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3211 * doc/languages.texi (Reading RTL): Ditto.
3213 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3216 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3218 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3221 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3222 code added to work around reload clobbering CONST insns.
3224 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3226 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3227 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3228 (cselib_preserve_only_values): Remove retain argument, don't
3229 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3230 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3231 * var-tracking.c (micro_operation): Move insn field before union.
3232 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3233 (struct variable_tracking_info_def): Remove n_mos field, change
3234 mos into a vector of micro_operations.
3235 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3236 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3237 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3238 changing into a vector.
3239 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3240 come before all other uops generated by add_stores.
3241 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3243 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3244 a vector. Run just one pass over the bbs instead of separate counting
3245 and computation phase.
3246 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3249 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3250 into *nonlocalized_list vector.
3251 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3252 even if origin is non-NULL.
3253 (gen_variable_die): Likewise.
3254 (process_scope_var): Don't change origin.
3255 (gen_decl_die): Likewise.
3256 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3257 before adding new edges instead of after it, fix moving over
3260 2010-03-11 David S. Miller <davem@davemloft.net>
3262 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3264 * configure: Rebuild.
3266 2010-03-11 Martin Jambor <mjambor@suse.cz>
3268 PR tree-optimization/43257
3269 * tree.c (assign_assembler_name_if_neeeded): New function.
3270 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3272 * tree.h (assign_assembler_name_if_neeeded): Declare.
3273 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3274 the function if needed.
3276 2010-03-11 Chris Demetriou <cgd@google.com>
3278 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3279 include/stdint-gcc.h, and include/stdint.h world-readable.
3281 2010-03-11 Richard Guenther <rguenther@suse.de>
3283 PR tree-optimization/43255
3284 * tree-vrp.c (process_assert_insertions_for): Do not insert
3285 asserts for trivial conditions.
3287 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3289 PR tree-optimization/43280
3290 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3291 generation. Move calculation of size out of the if branch.
3292 (find_bswap): Modify compare number generation.
3294 2010-03-11 Richard Guenther <rguenther@suse.de>
3297 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3298 (input_gimple_stmt): Fixup handled component types during
3299 operand read. Also fix up decls in ADDR_EXPRs.
3301 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3303 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3304 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3306 2010-03-10 Jan Hubicka <jh@suse.cz>
3309 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3310 * varasm.c (get_variable_section): Don't do that here...
3311 (make_decl_rtl): ... and here.
3312 (do_assemble_alias): Produce decl RTL.
3313 (assemble_alias): Likewise.
3315 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3318 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3319 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3321 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3322 (based_loc_descr): Only express drap or vdrap regno based expressions
3323 using DW_OP_fbreg when not optimizing.
3324 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3325 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3326 REG_CFA_SET_VDRAP note.
3328 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3330 PR tree-optimization/43236
3331 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3332 error in calculation of base address in reverse iteration case.
3333 (generate_builtin): Take number of latch executions if the statement
3336 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3339 * tree-eh.c: Include pointer-set.h.
3340 (lower_eh_dispatch): Filter out duplicate case labels and
3341 remove the unneeded edge when the label is unused. Return
3342 true when some edges are removed.
3343 (execute_lower_eh_dispatch): When any lowering resulted in
3344 removing an edge, also delete unreachable blocks.
3346 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3349 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3350 UNSPEC_MACHOPIC_OFFSET.
3352 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3355 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3356 (m68k_delegitimize_address): New function.
3358 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3361 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3364 * var-tracking.c (adjust_sets): New function.
3365 (count_with_sets, add_with_sets): Use it.
3366 (get_adjusted_src): New inline function.
3367 (add_stores): Use it.
3370 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3371 call cselib_dummy_expand_value_rtx_cb instead of
3372 cselib_expand_value_rtx_cb.
3375 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3376 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3377 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3378 and .cfi_endproc around the pic thunks.
3379 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3380 all queued unwind info register saves are saved before the call.
3381 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3382 considered as sp-=4 for unwind info and the pop as sp+=4 which
3383 also clobbers dest, but doesn't actually restore it.
3386 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3387 RTX_FRAME_RELATED_P.
3389 2010-03-09 Jie Zhang <jie@codesourcery.com>
3391 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3392 whitespaces in output template.
3394 2010-03-09 Jie Zhang <jie@codesourcery.com>
3396 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3399 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3401 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3402 builtins.exp in a separate job.
3404 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3406 * graphite-sese-to-poly.c (add_param_constraints): Use
3407 lower_bound_in_type and upper_bound_in_type.
3409 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3411 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3412 instead of unsigned_type_node.
3414 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3415 Reza Yazdani <reza.yazdani@amd.com>
3418 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3419 on pointer type parameters.
3421 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3425 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3426 handle conversions from pointer to integers.
3427 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3428 induction variable, to be able to work with code generated by CLooG.
3429 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3430 (build_poly_scop): Bail out if we cannot codegen a loop.
3432 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3434 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3435 code generation with gloog_error.
3437 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3439 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3440 Call fold_convert on all the returned values.
3441 (expand_scalar_variables_expr): Pass to
3442 expand_scalar_variables_ssa_name the type of the resulting expression.
3444 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3446 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3447 ppl_min_for_le_pointset.
3448 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3449 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3451 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3453 * graphite-dependences.c (map_into_dep_poly): Removed.
3454 (dependence_polyhedron_1): Use combine_context_id_scat.
3456 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3458 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3459 (struct poly_bb): Same.
3460 (combine_context_id_scat): New.
3462 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3465 * sese.c (name_defined_in_loop_p): Return false for default
3468 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3470 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3471 and clean up the logic.
3473 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3475 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3478 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3480 * var-tracking.c (remove_cselib_value_chains): Define only for
3482 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3483 delete_slot_part, emit_notes_for_differences_1): Don't call
3484 remove_cselib_value_chains here.
3485 (set_slot_part, emit_notes_for_differences_2): Don't call
3486 add_cselib_value_chains here.
3487 (preserved_values): New vector.
3488 (preserve_value): New function.
3489 (add_uses, add_stores, vt_add_function_parameters): Use it
3490 instead of cselib_preserve_value.
3491 (changed_values_stack): New vector.
3492 (check_changed_vars_0): New function.
3493 (check_changed_vars_1, check_changed_vars_2): Use it.
3494 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3495 changed_values_stack VALUEs.
3496 (vt_emit_notes): For all preserved_values call
3497 add_cselib_value_chains. If ENABLE_CHECKING call
3498 remove_cselib_value_chains before verifying value_chains is empty.
3499 Initialize and free changed_values_stack.
3500 (vt_initialize): Initialize preserved_values.
3501 (vt_finalize): Free preserved_values.
3503 2010-03-08 Richard Guenther <rguenther@suse.de>
3505 PR tree-optimization/43269
3506 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3509 2010-03-08 Martin Jambor <mjambor@suse.cz>
3511 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3512 (ipa_is_param_called): Removed.
3513 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3514 (ipa_print_node_params): Do not print the called flag.
3515 (ipa_write_node_info): Do not stream the called flag.
3516 (ipa_read_node_info): Likewise.
3518 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3521 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3522 * cselib.c (struct expand_value_data): Add dummy field.
3523 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3525 (cselib_dummy_expand_value_rtx_cb): New function.
3526 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3528 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3529 * var-tracking.c: Include pointer-set.h.
3530 (variable): Change n_var_parts to char from int. Add
3531 cur_loc_changed and in_changed_variables fields.
3532 (variable_canonicalize): Remove.
3533 (shared_var_p): New inline function.
3534 (unshare_variable): Maintain cur_loc_changed and
3535 in_changed_variables fields. If var was in changed_variables,
3536 replace it there with new_var. Just copy cur_loc instead of
3537 resetting it to something else.
3538 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3539 (dataflow_set_union): Don't call variable_canonicalize.
3540 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3541 of their DEBUG_EXPR_TREE_DECLs.
3542 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3543 and in_changed_variables and cur_loc_changed is false.
3544 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3545 and cur_loc_changed. Don't update cur_loc here.
3546 (variable_merge_over_src): Don't call variable_canonicalize.
3547 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3548 removing loc that is equal to cur_loc, clear cur_loc,
3549 set cur_loc_changed and ensure variable_was_changed is called.
3550 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3551 compare pointers in cur_loc check, if it is equal to loc,
3552 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3553 (variable_different_p): Remove compare_current_location argument,
3554 don't compare cur_loc.
3555 (dataflow_set_different_1): Adjust variable_different_p caller.
3556 (variable_was_changed): If dv had some var in changed_variables
3557 already, reset in_changed_variables flag for it and propagate
3558 cur_loc_changed over to the new variable. On empty var
3559 always set cur_loc_changed. Set in_changed_variables on whatever
3560 var is added to changed_variables.
3561 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3562 Use shared_var_p. When removing loc that is equal to cur_loc,
3563 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3564 end, don't set it to something else, just call variable_was_changed.
3565 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3566 loc being removed, clear cur_loc and set cur_loc_changed.
3567 Set cur_loc_changed if all locations have been removed.
3568 (struct expand_loc_callback_data): New type.
3569 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3570 allocated. Always create SUBREGs if simplify_subreg failed.
3571 Prefer to use cur_loc, when that fails and still in
3572 changed_variables (and seen first time) recompute it. Set
3573 cur_loc_changed of variables which had to change cur_loc and
3574 compute elcd->cur_loc_changed if any of the subexpressions used
3575 had to change cur_loc.
3576 (vt_expand_loc): Adjust to pass arguments in
3577 expand_loc_callback_data structure.
3578 (vt_expand_loc_dummy): New function.
3579 (emitted_notes): New variable.
3580 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3581 that weren't used for any other decl in current
3582 emit_notes_for_changes call call vt_expand_loc_dummy to update
3583 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3584 first loc_chain location if NULL before. Always use just
3585 cur_loc instead of first loc_chain location. When cur_loc_changed
3586 is false, when not --enable-checking=rtl just don't emit any note.
3587 When rtl checking, compute the note and assert it is the same
3588 as previous note. Clear cur_loc_changed and in_changed_variables
3589 at the end before removing from changed_variables.
3590 (check_changed_vars_3): New function.
3591 (emit_notes_for_changes): Traverse changed_vars to call
3592 check_changed_vars_3 on each changed var.
3593 (emit_notes_for_differences_1): Clear cur_loc_changed and
3594 in_changed_variables. Recompute cur_loc of new_var.
3595 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3596 (vt_emit_notes): Initialize and destroy emitted_notes.
3598 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3600 PR rtl-optimization/42220
3601 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3602 Use verify_reg_tracked to determine if we should use OP_OUT rather
3604 (build_def_use): If we see an in-out operand for a register that we
3605 know nothing about, treat is an output if possible, fail the block if
3608 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3611 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3614 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3617 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3618 uses of relevant DEFs that are dead outside the loop too.
3620 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3622 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3624 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3626 * var-tracking.c (values_to_unmark): New variable.
3627 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3628 values_to_unmark vector. Moved body to...
3629 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3630 instead queue it into values_to_unmark vector.
3631 (vt_find_locations): Free values_to_unmark vector.
3633 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3635 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3636 (site.exp): Export them when plugins are enabled.
3638 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3641 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3643 (chrec_fold_multiply): Same.
3645 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3648 * c-decl.c (build_compound_literal): Return early if init is
3651 2010-03-04 Martin Jambor <mjambor@suse.cz>
3653 PR tree-optimization/43164
3654 PR tree-optimization/43191
3655 * tree-sra.c (type_consists_of_records_p): Reject records with
3656 zero-size bit-fields at the end.
3658 2010-03-04 Mike Stump <mikestump@comcast.net>
3660 * Makefile.in (TAGS): Remove *.y.
3662 2010-03-04 Richard Guenther <rguenther@suse.de>
3664 PR tree-optimization/40761
3665 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3667 (my_rev_post_order_compute): New function.
3668 (init_pre): Call it.
3670 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3673 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3674 decrease the cost of an IV candidate when the cost is infinite.
3676 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3678 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3679 Use '3DNow!' for the extension of that name, ensure normal space
3681 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3683 2010-03-03 Jeff Law <law@redhat.com>
3685 * PR middle-end/32693
3686 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3687 than gen_rtx_SUBREG.
3688 (extract_bit_field_1): Likewise.
3690 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3692 * doc/sourcebuild.texi (Test directives): Document that arguments
3693 include-opts and exclude-opts are now optional for dg-skip-if,
3694 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3696 2010-03-03 Jason Merrill <jason@redhat.com>
3699 * cgraph.h (varpool_node): Add extra_name field.
3700 * varpool.c (varpool_extra_name_alias): New.
3701 (varpool_assemble_decl): Emit extra name aliases.
3702 (varpool_mark_needed_node): Look past an extra name alias.
3703 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3704 * lto-streamer-in.c (lto_input_tree): Read it.
3705 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3707 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3709 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3710 (sparc*-*-solaris2*): ...this.
3712 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3715 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3716 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3717 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3718 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3721 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3722 fallthrough to default handling, just with want_address 0 instead of 2.
3723 For single element lists, add_AT_loc directly, otherwise create an
3724 artificial variable DIE and stick location list to it.
3727 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3728 (VAL_EXPR_HAS_REVERSE): Define.
3729 (reverse_op): New function.
3730 (add_stores): For reversible operations add an extra MO_VAL_USE.
3732 2010-03-02 Jason Merrill <jason@redhat.com>
3734 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3736 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3738 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3739 (sparc64-*-linux*): Likewise.
3740 (sparc64-*-solaris2*): Include assembler files before linker ones.
3741 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3742 * config/sparc/gas.h: Delete.
3743 * config/sparc/sol2-64.h: Add copyright notice.
3744 * config/sparc/sol2-gas-bi.h: Likewise.
3745 * config/sparc/sol2-gld.h: Likewise.
3746 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3747 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3748 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3749 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3750 (sparc_elf_asm_named_section): Rename into...
3751 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3753 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3755 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3757 2010-03-02 Jeff Law <law@redhat.com>
3760 * reload1.c (rtx_p, substitute_stack): Declare.
3761 (substitute): Record addresses of changed rtxs.
3762 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3763 Restore the original rtx when complete.
3764 (reload): Free subsitute_stack when complete.
3766 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3768 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3769 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3771 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3772 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3773 Torture Tests): Change from subsection to section.
3775 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3776 Steven Bosscher <steven@gcc.gnu.org>
3778 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3781 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3784 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3785 the assignment from the new induction variable to the assignment
3786 of the value from the original loop PHI function.
3788 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3789 Daniel Jacobowitz <dan@codesourcery.com>
3791 * doc/sourcebuild.texi (Test directives): Clarify options to
3794 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3796 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3797 Disable cfi directives unless GCC and gas agree on using read-only
3798 .eh_frame sections for 64-bit.
3799 * configure: Regenerate.
3801 2010-03-01 Richard Guenther <rguenther@suse.de>
3803 PR tree-optimization/43220
3804 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3805 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3807 2010-03-01 Richard Guenther <rguenther@suse.de>
3808 Martin Jambor <mjambor@suse.cz>
3811 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3812 gimplified parameters.
3814 2010-03-01 Christian Bruel <christian.bruel@st.com>
3816 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3818 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3820 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3822 2010-03-01 Richard Guenther <rguenther@suse.de>
3825 * expr.c (expand_assignment): Use the alias-oracle to tell
3826 if the rhs aliases the result decl.
3828 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3831 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3832 to sol_gt_pch_get_address.
3833 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3834 64-bit, SPARC and x86.
3835 (sol_gt_pch_get_address): New function.
3837 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3839 * toplev.h (inform_n, error_n): Declare.
3840 * diagnostic.c (inform_n, error_n): New function.
3842 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3844 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3845 has no rtl yet when processing local_decls, queue it and recheck
3846 if deferred stack allocation hasn't assigned it rtl.
3848 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3850 * config/sh/sh.c (unspec_bbr_uid): New.
3851 (gen_block_redirect): Use it instead of INSN_UID.
3852 (gen_far_branch): Likewise.
3854 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3856 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3857 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3859 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3861 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3862 (Warning Options): -Wno-conversion-null is valid for
3863 Objective-C++ as well.
3864 * doc/tm.texi (Named Address Spaces): Likewise.
3865 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3866 * doc/tree-ssa.texi (Tree SSA): Likewise.
3868 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3871 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3872 by default. Don't set the default arch for
3873 i[34567]86-*-darwin*|x86_64-*-darwin*.
3875 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3878 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3879 default. Set the default 32bit/64bit archs with $with_arch
3880 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3882 2010-02-27 Richard Guenther <rguenther@suse.de>
3884 PR tree-optimization/43186
3885 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3886 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3887 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3888 unroller iterations.
3890 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3892 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3893 required and i[34567]86-*-* targets don't support 64bit ISA.
3895 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3898 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3901 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3903 * config.gcc: Set the default arch at least to Prescott for
3904 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3905 if SSE math is enabled.
3907 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3909 * diagnostic.c (diagnostic_initialize): Update.
3910 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3912 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3913 (diagnostic_inhibit_notes): New.
3914 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3916 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3919 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3920 * doc/standards.texi: Likewise.
3921 * doc/extend.texi: Likewise.
3922 * doc/trouble.texi: Likewise.
3923 * doc/cppopts.texi: Likewise.
3924 * doc/install.texi: Likewise.
3925 * c.opt (std=c90,std=gnu90): New options.
3926 * c-opts.c (c_common_handle_option): Handle them.
3928 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3931 * c-decl.c (undeclared_variable): Use an informative note.
3933 2010-02-26 Richard Guenther <rguenther@suse.de>
3935 PR tree-optimization/43186
3936 * gimple.h (gimple_fold): Remove.
3937 * gimple.c (gimple_fold): Remove. Inline into single user ...
3938 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
3939 Try harder for conditions.
3941 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3944 * function.c (used_types_insert): Don't skip through named pointer
3945 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
3946 and it is different from the main variant's type.
3948 2010-02-26 Nick Clifton <nickc@redhat.com>
3950 * config/rx/rx.md (sminsi3): Remove bogus alternative.
3952 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3954 * config.gcc: Support --with-fpmath=sse for x86.
3956 * config/i386/ssemath.h: New.
3958 * doc/install.texi (--with-fpmath=sse): Documented.
3960 2010-02-26 Richard Guenther <rguenther@suse.de>
3962 PR tree-optimization/43188
3963 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
3964 vector types of over-aligned element type.
3966 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
3969 * config/i386/i386.c (expand_vec_perm_blend): Use correct
3970 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
3972 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
3974 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
3976 2010-02-26 Jakub Jelinek <jakub@redhat.com>
3978 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
3979 * var-tracking.c: Include diagnostic.h.
3980 (debug_dv): New function.
3981 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
3984 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
3985 (add_value_chain, add_value_chains, remove_value_chain,
3986 remove_value_chains): Handle DEBUG_EXPRs.
3987 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
3990 * regcprop.c (struct queued_debug_insn_change): New type.
3991 (struct value_data_entry): Add debug_insn_changes field.
3992 (struct value_data): Add n_debug_insn_changes field.
3993 (debug_insn_changes_pool): New variable.
3994 (free_debug_insn_changes, apply_debug_insn_changes,
3995 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
3996 (kill_value_one_regno): Call free_debug_insn_changes if needed.
3997 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
3999 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4001 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4002 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4003 changes, call cprop_find_used_regs via note_stores.
4004 (copyprop_hardreg_forward): When copying vd from predecessor
4005 which has any queued DEBUG_INSN changes, make sure the pointers are
4006 cleared. At the end call df_analyze and then if there are any
4007 DEBUG_INSN changes queued at the end of some basic block for still
4008 live registers, apply them.
4009 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4011 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4013 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4016 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4018 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4019 targets. Set the default with_cpu/with_arch from arch/cpu.
4020 Allow x86-64 and native for with_cpu/with_arch.
4022 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4024 * ebitmap.c: Change calls to verify_popcount with calls to
4025 sbitmap_verify_popcount.
4026 (ebitmap_clear_bit): Fixed map->cacheindex test and
4027 map>cache update when bit clearing results in an empty
4030 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4033 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4034 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4035 and support both V2DF and V2DI modes.
4036 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4037 support both V2DF and V2DI modes.
4038 (general): Delete trailing whitespace from a few patterns.
4040 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4041 V2DF/V2DI interleave high/low builtins.
4043 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4046 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4047 interleave high/low functions.
4049 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4051 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4052 #pragma extern_prefix.
4054 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4057 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4058 BLKmode, assert op0 is a MEM and just adjust its mode.
4061 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4062 if bitpos isn't multiple of mode's bitsize.
4064 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4066 * c.opt (-ftemplate-depth=): New.
4067 (-ftemplate-depth-): Deprecate.
4068 * optc-gen.awk: Handle -ftemplate-depth=.
4069 * opth-gen.awk: Likewise.
4070 * c-opts.c (c_common_handle_option): Likewise.
4071 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4073 2010-02-24 Jason Merrill <jason@redhat.com>
4075 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4077 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4079 * cfg.c (alloc_aux_for_block): Remove inline.
4080 (alloc_aux_for_edge): Likewise.
4082 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4084 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4086 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4088 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4089 * config/i386/sol2-gas.h: New file.
4090 * config.gcc (i[34567]86-*-solaris2*): Use it.
4092 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4095 * c-typeck.c (ep_convert_and_check): New.
4096 (build_conditional_expr): Use it.
4097 (build_binary_op): Likewise.
4099 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4101 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4104 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4105 bounds even for -O+.
4106 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4107 expr needs to have DECL_NAME set.
4109 2010-02-24 Nick Clifton <nickc@redhat.com>
4111 * config/mep/mep.c: Include gimple.h.
4112 (mep_function_uses_sp): Delete unused function.
4113 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4114 parameters. Use unsigned integers to count args. Return a
4115 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4117 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4120 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4121 greater or equal to nelt instead of 2 * nelt.
4122 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4125 2010-02-23 Jason Merrill <jason@redhat.com>
4128 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4129 in cfun->local_decls even if they have register types.
4132 * stor-layout.c (place_field): Don't warn about unnecessary
4133 DECL_PACKED if the type is packed.
4135 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4138 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4139 GOTOFF relocs, even when the base reg isn't pic pointer.
4141 2010-02-23 Michael Matz <matz@suse.de>
4144 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4145 (expand_gimple_basic_block): Generate and use debug temps if there
4146 are debug uses left after the last real use of TERed ssa names.
4147 Unlink debug immediate uses when they are expanded.
4149 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4152 * config/i386/i386.c (override_options): Reorganise to provide
4153 better error messages.
4155 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4158 * graphite-scop-detection.c (create_single_exit_edge): Move
4159 the call to find_single_exit_edge to....
4160 (create_sese_edges): ...here. Don't handle multiple edges
4161 exiting the function.
4162 (build_graphite_scops): Don't handle multiple edges
4163 exiting the function.
4165 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4168 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4169 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4171 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4174 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4176 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4179 * c-typeck.c (convert_arguments): Print declaration location.
4180 * c-common.c (validate_nargs): Rename as
4181 builtin_function_validate_nargs.
4182 (check_builtin_function_arguments): Update.
4184 2010-02-22 Richard Guenther <rguenther@suse.de>
4187 * tree-inline.c (declare_return_variable): Use the type of
4188 the call stmt lhs if available.
4190 2010-02-22 Duncan Sands <baldrick@free.fr>
4192 * passes.c (register_pass): Always consider all pass lists when
4193 ref_pass_instance_number is zero.
4195 2010-02-22 Richard Guenther <rguenther@suse.de>
4197 PR tree-optimization/42749
4198 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4199 parameter. Do arithmetic in the original type.
4200 (update_accumulator_with_ops): Likewise.
4201 (adjust_accumulator_values): Adjust.
4203 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4205 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4206 (QI to BLKmode splitter): New splitter.
4208 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4210 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4211 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4213 2010-02-22 Richard Guenther <rguenther@suse.de>
4215 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4217 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4219 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4220 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4221 ($(T)crti.o, $(T)crtn.o): Remove rules.
4223 2010-02-21 Tobias Burnus <burnus@net-b.de>
4226 * doc/invoke.texi (-fassociative-math): Document that this
4227 option is automatically enabled for Fortran.
4229 2010-02-20 David S. Miller <davem@davemloft.net>
4231 * configure.ac: Test if linker and assembler properly support
4232 GOTDATA_OP relocations.
4233 * configure: Rebuild.
4234 * config.in: Likewise.
4235 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4236 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4237 (movsi_high_pic): Likewise.
4238 (movdi_lo_sum_pic): Likewise.
4239 (movdi_high_pic): Likewise.
4240 (movsi_pic_gotdata_op): New pattern.
4241 (movdi_pic_gotdata_op): Likewise.
4242 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4243 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4245 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4248 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4249 attribute to ssemul.
4250 (xop_mulv2div2di3_high): Ditto.
4252 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4255 * c.opt (Wconversion-null): New option.
4256 * doc/invoke.texi (Wconversion-null): Document.
4258 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4260 * common.opt (Wlarger-than-): Add Undocumented.
4262 2010-02-19 Mike Stump <mikestump@comcast.net>
4264 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4266 2010-02-19 Jason Merrill <jason@redhat.com>
4269 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4270 * configure: Likewise.
4272 2010-02-20 Alan Modra <amodra@gmail.com>
4275 * cgraph.h (cgraph_make_decl_local): Declare.
4276 * cgraph.c (cgraph_make_decl_local): New function.
4277 (cgraph_make_node_local): Use it.
4278 * cgraphunit.c (cgraph_function_versioning): Likewise.
4279 * ipa.c (function_and_variable_visibility): Likewise.
4281 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4284 * except.c (sjlj_emit_function_enter): Don't call
4285 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4287 * rtl.h (add_reg_br_prob_note): Remove prototype.
4289 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4292 * c-common.c (conversion_warning): Remove widening conversions
4293 before checking the conversion of integers to reals.
4295 2010-02-19 Mike Stump <mikestump@comcast.net>
4298 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4301 * cgraphunit.c (process_function_and_variable_attributes): Check
4302 DECL_PRESERVE_P instead of looking up attribute "used".
4303 * ipa-pure-const.c (check_decl): Likewise.
4304 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4305 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4306 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4307 instead of attribute "used".
4308 * config/sol2-c.c (solaris_pragma_init): Likewise.
4309 (solaris_pragma_fini): Likewise.
4311 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4313 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4314 Use XCNEW instead of xcalloc.
4315 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4316 XNEW instead of xmalloc.
4317 (get_fields): Use XNEWVEC instead of xmalloc.
4320 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4321 populate vars array.
4322 (create_new_general_access): For debug stmts just reset value.
4323 (get_stmt_accesses): For accesses within debug stmts just record them
4324 using add_access_to_acc_sites instead of preventing the peeling or
4325 counting them as accesses.
4328 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4330 2010-02-19 Richard Guenther <rguenther@suse.de>
4332 PR tree-optimization/42916
4333 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4336 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4338 * configure.ac: Replace all uses of changequote in macro arguments
4339 with proper quoting.
4341 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4344 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4346 2010-02-19 Richard Guenther <rguenther@suse.de>
4348 PR tree-optimization/42944
4349 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4350 test for aliasing with errno.
4352 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4355 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4356 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4357 * dojump.c: Include output.h.
4358 (inv): New inline function.
4359 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4360 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4361 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4362 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4363 argument, pass it down to other calls.
4364 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4365 add REG_BR_PROB note to the conditional jump.
4366 * cfgexpand.c (add_reg_br_prob_note): Removed.
4367 (expand_gimple_cond): Don't call it, add the probability
4368 as last argument to jumpif_1/jumpifnot_1.
4369 * Makefile.in (dojump.o): Depend on output.h.
4370 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4372 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4373 * stmt.c (do_jump_if_equal): Likewise.
4374 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4375 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4376 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4378 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4379 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4380 jumpifnot_1 callers.
4381 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4383 (store_expr): Adjust jumpifnot caller.
4384 (store_constructor): Adjust jumpif caller.
4387 * gimplify.c (gimple_boolify): For __builtin_expect call
4388 gimple_boolify also on its first argument.
4390 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4392 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4394 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4395 * configure: Regenerated.
4397 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4399 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4400 lang_hooks.types_compatible_p instead of comptypes.
4402 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4404 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4405 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4406 if __prefer_thumb__ is defined.
4408 2010-02-18 Martin Jambor <mjambor@suse.cz>
4410 PR tree-optimization/43066
4411 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4412 array with zero-sized element type.
4414 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4416 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4417 rtx, allocate struct var_loc_node here and return it to the
4418 caller, and only if it is actually needed.
4419 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4420 move it earlier and return immediately if it returns NULL.
4422 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4424 * config/sparc/gas.h: New file. Restore
4425 TARGET_ASM_NAMED_SECTION to its ELF default.
4426 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4428 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4429 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4430 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4431 after sparc/sysv4.h.
4433 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4435 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4437 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4439 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4440 patterns from predicated pattern.
4442 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4445 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4446 for insn mnemonic suffix.
4448 2010-02-17 Richard Guenther <rguenther@suse.de>
4450 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4453 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4456 * caller-save.c (save_call_clobbered_regs): If BB ends with
4457 a DEBUG_INSN, move any notes in between last real insn and the last
4458 DEBUG_INSN after the last DEBUG_INSN.
4460 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4462 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4463 Fix return type. Fix argument type. Explain meaning of return value.
4465 2010-02-16 Richard Guenther <rguenther@suse.de>
4467 PR tree-optimization/41043
4468 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4469 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4471 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4473 2010-02-16 Ira Rosen <irar@il.ibm.com>
4475 PR tree-optimization/43074
4476 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4477 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4478 vectorizable cycles in hybrid SLP check.
4479 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4481 2010-02-16 Richard Guenther <rguenther@suse.de>
4483 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4484 (true_dependence): If memrefs_conflict_p computes must-alias
4485 trust it. Move TBAA check after offset-based disambiguation.
4486 (canon_true_dependence): Likewise.
4488 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4490 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4491 * doc/invoke.texi: Document it.
4492 * var-tracking.c: Include toplev.h and params.h.
4493 (vt_find_locations): Return bool indicating success. Compute
4494 hash sizes unconditionally. Check new parameter, report.
4495 (variable_tracking_main_1): Check vt_find_locations results and
4496 retry. Renamed from...
4497 (variable_tracking_main): ... this. New wrapper to preserve
4498 flag_var_tracking_assignments.
4499 * Makefile.in (var-tracking.o): Adjust dependencies.
4501 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4502 Jakub Jelinek <jakub@redhat.com>
4505 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4506 if weak_import attribute is present.
4507 * config/darwin.c (machopic_select_section): Likewise.
4509 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4511 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4512 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4513 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4514 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4516 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
4519 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4522 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4523 Rewrite text to refer to the names.
4525 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4527 * config/i386/i386-builtin-types.def
4528 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4529 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4530 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4531 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4532 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4533 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4534 IX86_BUILTIN_VPERMIL2PS256.
4535 (MULTI_ARG_4_DF2_DI_I): Defined.
4536 (MULTI_ARG_4_DF2_DI_I1): Defined.
4537 (MULTI_ARG_4_SF2_SI_I): Defined.
4538 (MULTI_ARG_4_SF2_SI_I1): Defined.
4539 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4540 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4541 __builtin_ia32_vpermil2ps256.
4542 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4543 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4544 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4545 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4546 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4547 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4548 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4549 CODE_FOR_xop_vpermil2v8sf3.
4550 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4551 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4552 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4553 (_mm256_permute2_pd): New.
4554 (_mm_permute2_ps): New.
4555 (_mm256_permute2_ps): New.
4557 2010-02-15 Nick Clifton <nickc@redhat.com>
4559 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4560 boolean parameters. Use emit_jump_insn when emitting a pop
4561 instruction containing a return insn.
4562 (push): Use 'true' rather than '1' as second parameter to F.
4563 (h8300_expand_prologue): Likewise.
4564 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4565 (h8300_expand_epilogue): Likewise.
4567 2010-02-15 Richard Guenther <rguenther@suse.de>
4570 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4573 2010-02-15 Nick Clifton <nickc@redhat.com>
4575 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4578 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4580 * intl.c (fake_ngettext): New function.
4581 * intl.h (fake_ngettext): Declare.
4582 (ngettext): Define macro.
4583 * collect2.c (notice_translated): New function.
4584 (main): Use notice_translated and ngettext.
4585 * collect2.h (notice_translated): Declare.
4587 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4589 * reorg.c (delete_computation): Comment fixes.
4590 * caller-save.c (setup_save_areas): Idem.
4591 * sel-sched-dump.c (dump_lv_set): Idem.
4594 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4596 * config/s390/s390.c (s390_sched_init): New function.
4597 (TARGET_SCHED_INIT): Target hook defined.
4599 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4600 Jack Howarth <howarth@bromo.med.uc.edu>
4601 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4604 Partial revert of unintended change in fix for PR41605.
4605 * config/darwin.h: Fix typo.
4606 * config/darwin9.h: Same.
4608 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4610 * c-pch.c (pch_init): Clear v.
4612 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4615 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4616 graphite_can_represent_init for MULT_EXPR.
4618 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4622 * graphite-sese-to-poly.c (remove_phi): New.
4623 (translate_scalar_reduction_to_array): Call remove_phi.
4625 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4628 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4629 * graphite-clast-to-gimple.h (gloog): Update declaration.
4630 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4631 * graphite-poly.h (struct poly_bb): Add missing comments.
4632 (struct scop): Add poly_scop_p field.
4634 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4635 * graphite.c (graphite_transform_loops): Build the polyhedral
4636 representation for each scop before code generation.
4637 * sese.c (rename_variables_in_operand): Removed.
4638 (rename_variables_in_expr): Return the renamed expression.
4639 (rename_sese_parameters): New.
4640 * sese.h (rename_sese_parameters): Declared.
4642 2010-02-11 Richard Guenther <rguenther@suse.de>
4644 PR tree-optimization/42998
4645 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4646 POINTER_PLUS_EXPR properly.
4648 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4649 Changpeng Fang <changpeng.fang@amd.com>
4652 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4653 the cost of an IV candidate when the IV is used in a test against zero.
4655 * gcc.dg/tree-ssa/ivopts-3.c: New.
4657 2010-02-11 Richard Guenther <rguenther@suse.de>
4660 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4661 pointer-vs-decl case by swapping refs. Handle some cases
4662 of pointer-vs-decl disambiguations more conservatively.
4663 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4664 to false after expanding.
4666 2010-02-11 Richard Guenther <rguenther@suse.de>
4669 * gcc.c (process_command): Handle LTO file@offset case more
4672 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4674 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4675 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4677 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4679 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4680 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4681 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4682 Optimize eq/ne comparisons when both arguments are known to be
4684 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4685 Don't mask operands unnecessarily if they are known to be already
4688 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4690 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4693 2010-02-10 Richard Guenther <rguenther@suse.de>
4695 PR tree-optimization/43017
4696 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4697 for wrapping signed arithmetic.
4699 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4702 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4703 if no debug info should be emitted for it.
4705 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4707 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4708 note when flag_exceptions is set.
4710 2010-02-10 Duncan Sands <baldrick@free.fr>
4712 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4714 2010-02-10 Richard Guenther <rguenther@suse.de>
4717 * tree.c (get_unwidened): Handle constants.
4718 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4720 2010-02-10 Martin Jambor <mjambor@suse.cz>
4723 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4724 check for variable argument counts independently.
4726 2010-02-10 Christian Bruel <christian.bruel@st.com>
4729 * config/sh/sh.c (find_barrier): Increase length for non delayed
4730 conditional branches.
4732 2010-02-10 Christian Bruel <christian.bruel@st.com>
4734 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4736 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4738 * builtins.c (set_builtin_user_assembler_name): Also handle
4739 ffs if int is smaller than word.
4741 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4744 * ira-conflicts.c (get_dup): Remove.
4745 (process_reg_shuffles): Add new parameter. Use it as an
4746 additional guard for copy generation.
4747 (add_insn_allocno_copies): Rewrite.
4749 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4751 * common.opt (fsched2-use-traces): Preserved for backward
4753 * doc/invoke.texi: Remove the documentation about option
4754 -fsched2-use-traces.
4755 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4756 flag_sched2_use_traces.
4757 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4758 the backward compatibility flag section.
4760 2010-02-09 Richard Guenther <rguenther@suse.de>
4762 PR tree-optimization/43008
4763 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4764 make HEAP variables initialized from global memory if they
4765 are not known builtin functions.
4766 (find_func_aliases): Adjust.
4768 2010-02-09 Richard Guenther <rguenther@suse.de>
4770 PR tree-optimization/43000
4771 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4772 arithmetic manually.
4774 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4776 PR tree-optimization/42931
4777 * tree-loop-linear.c (try_interchange_loops): Don't call
4778 double_int_mul if estimated_loop_iterations failed.
4780 2010-02-08 Martin Jambor <mjambor@suse.cz>
4783 * tree-sra.c (build_accesses_from_assign): Do not mark in
4784 should_scalarize_away_bitmap if stmt has volatile ops.
4785 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4788 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4790 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4792 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4794 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4797 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4800 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4802 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4805 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4806 to unknown_dependence.
4807 (graphite_legal_transform_dr): Handle the unknown_dependence.
4808 (graphite_carried_dependence_level_k): Same.
4810 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4812 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4814 2010-02-07 Richard Guenther <rguenther@suse.de>
4817 * expr.c (get_inner_reference): Always initialize *pbitsize.
4819 2010-02-07 Richard Guenther <rguenther@suse.de>
4822 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4823 new ARRAY_REFs on variable size element or minimal index arrays.
4825 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4826 gimple_fold_indirect_ref.
4828 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4831 * arm.c (arm_override_options): Just return if the user has specified
4832 an invalid fpu name.
4834 2010-02-03 Jason Merrill <jason@redhat.com>
4837 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4838 i386_pe_maybe_record_exported_symbol.
4840 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4843 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4844 (pa_delegitimize_address): New function.
4846 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4848 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4849 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4851 2010-02-05 Richard Guenther <rguenther@suse.de>
4854 * lto-streamer-in.c (get_resolution): Deal with references
4855 to undefined functions.
4857 2010-02-05 Richard Guenther <rguenther@suse.de>
4859 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4860 (fold_const_aggregate_ref): Likewise.
4861 (ccp_fold_stmt): Substitute loads.
4862 (maybe_fold_reference): Verify types before substituting.
4864 (fold_gimple_assign): Unshare properly.
4865 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4867 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4869 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4870 for rs6000_gen_cell_microcode.
4872 2010-02-04 Richard Guenther <rguenther@suse.de>
4874 PR rtl-optimization/42952
4875 * dse.c (const_or_frame_p): Remove MEM handling.
4877 2010-02-04 Nick Clifton <nickc@redhat.com>
4879 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4880 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4881 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4882 (mn10300_asm_output_mi_thunk): New function.
4883 (mn10300_can_output_mu_thunk): New function.
4884 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4885 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4886 (FUNCTION_ARG): Delete incorrect comment.
4888 2010-02-03 Jason Merrill <jason@redhat.com>
4891 * fold-const.c (operand_equal_p): Handle erroneous types.
4893 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4895 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4897 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4899 PR rtl-optimization/42941
4900 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4903 2010-02-03 Jason Merrill <jason@redhat.com>
4906 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4908 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4911 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4912 (cselib_reset_table): Renamed from...
4913 (cselib_reset_table_with_next_value): ... this.
4914 (cselib_get_next_uid): Renamed from...
4915 (cselib_get_next_unknown_value): ... this.
4916 * cselib.c (next_uid): Renamed from...
4917 (next_unknown_value): ... this.
4918 (cselib_clear_table): Adjust.
4919 (cselib_reset_table): Adjust. Renamed from...
4920 (cselib_reset_table_with_next_value): ... this.
4921 (cselib_get_next_uid): Adjust. Renamed from...
4922 (cselib_get_next_unknown_value): ... this.
4923 (get_value_hash): Use hash.
4924 (cselib_hash_rtx): Likewise.
4925 (new_cselib_val): Adjust. Set and dump uid.
4926 (cselib_lookup_mem): Pass next_uid as hash.
4927 (cselib_subst_to_values): Likewise.
4928 (cselib_log_lookup): Dump uid.
4929 (cselib_lookup): Pass next_uid as hash. Adjust.
4930 (cselib_process_insn): Adjust.
4931 (cselib_init): Initialize next_uid.
4932 (cselib_finish): Adjust.
4933 (dump_cselib_table): Likewise.
4934 * dse.c (canon_address): Dump value uid.
4935 * print-rtl.c (print_rtx): Print value uid.
4936 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
4938 (dv_uid): New function, sort of renamed from...
4939 (dv_htab_hash): ... this, reimplemented in terms of it and...
4940 (dv_uid2hash): ... this. New.
4941 (variable_htab_eq): Drop excess assertions.
4942 (tie_break_pointers): Removed.
4943 (canon_value_cmp): Compare uids.
4944 (variable_post_merge_New_vals): Print uids.
4945 (vt_add_function_parameters): Adjust.
4946 (vt_initialize): Reset table. Adjust.
4948 2010-02-03 Richard Guenther <rguenther@suse.de>
4950 PR tree-optimization/42944
4951 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
4952 (call_may_clobber_ref_p_1): Likewise. Properly handle
4953 malloc and calloc clobbering errno.
4955 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
4957 * doc/invoke.texi: Fix name of sched1 dump.
4959 * opts.c (decode_options): Set flag_tree_switch_conversion
4960 only conditionally on optimize >= 2.
4962 * gcse.c: Assorted comment fixes in pass description.
4964 2010-02-03 Anthony Green <green@moxielogic.com>
4966 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
4967 nop padding in order to maintain alignment of storage location of
4968 target function address.
4969 (moxie_trampoline_init): Store target function address at newly
4971 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
4973 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
4975 2010-02-03 Richard Guenther <rguenther@suse.de>
4978 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
4980 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4982 * config.gcc: Reenable check for obsolete targets.
4983 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
4984 mips-sgi-irix6.[0-4]*.
4986 2010-02-02 Nick Clifton <nickc@redhat.com>
4988 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
4989 constant size of 4 as being the same as 0.
4990 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
4991 can take values in the range 0..4.
4993 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
4996 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
4997 as _darwin10_Unwind_FindEnclosingFunction().
4998 * libgcc-libsystem.ver: New.
5000 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5003 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5004 implicitly set registers.
5006 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5008 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5009 (arm_override_options): Allow automatic selection of the thread
5010 pointer register if thumb2.
5011 (legitimize_pic_address): Improve code sequences for Thumb2.
5012 (arm_call_tls_get_addr): Likewise.
5013 (legitimize_tls_address): Likewise.
5014 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5015 (pic_load_addr_32bit): ... this. New named pattern.
5016 * thumb2.md (pic_load_addr_thumb2): Delete.
5017 (pic_load_dot_plus_four): Delete.
5018 (tls_load_dot_plus_four): New named pattern.
5020 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5023 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5024 Document fix for TLS bug.
5026 2010-01-31 Richard Guenther <rguenther@suse.de>
5028 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5029 conservatively correct.
5031 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5035 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5037 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5039 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5041 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5043 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5045 * config.gcc: Adjust order of makefile fragments for mingw targets.
5047 2010-01-31 Richard Guenther <rguenther@suse.de>
5050 * gimplify.c (gimplify_init_constructor): For volatile LHS
5051 initialize a temporary.
5053 2010-01-31 Matthias Klose <doko@ubuntu.com>
5055 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5057 * configure: Regenerate.
5059 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5061 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5062 the same alias set and their sizes different constantness.
5063 (aliasing_component_refs_p): Revert 2009-10-24 change.
5065 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5067 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5070 2010-01-29 Richard Guenther <rguenther@suse.de>
5072 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5073 Assert we successfully updated the call.
5075 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5077 PR rtl-optimization/42889
5078 * df.h (df_set_bb_dirty_nonlr): New prototype.
5079 * df-core.c (df_set_bb_dirty_nonlr): New function.
5080 * df-scan.c (df_insn_rescan): Call it instead of
5081 df_set_bb_dirty for DEBUG_INSNs.
5083 2010-01-29 Richard Guenther <rguenther@suse.de>
5086 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5087 quadratic behavior in most cases.
5089 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5092 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5093 in the call to gen_x86_movsicc_0_m1.
5095 2010-01-28 Richard Guenther <rguenther@suse.de>
5097 PR tree-optimization/42871
5098 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5100 2010-01-28 Richard Guenther <rguenther@suse.de>
5102 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5103 into call arguments.
5105 2010-01-28 Richard Guenther <rguenther@suse.de>
5108 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5109 the forwarder if the destination is an EH landing pad.
5111 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5113 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5114 block list passed to gimple_duplicate_sese_tail.
5115 (parallelize_loops): Avoid parallelization when the function
5117 Avoid parallelization when the preheader is IRREDUCIBLE.
5118 Try to optimize when estimated_loop_iterations_int is unresolved.
5119 Add the loop's location to the dump file.
5120 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5121 (gimple_duplicate_sese_tail): Remove the check for the latch.
5122 Redirect nexits to the exit block.
5123 Remove handling of the incoming edges to the latch.
5124 Redirect the backedge from the copied latch to the exit bb.
5126 2010-01-28 Michael Matz <matz@suse.de>
5129 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5130 Wrap force_reg into a sequence, emit it before user.
5132 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5134 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5136 (arm_legacy_rev): Likewise.
5137 (thumb_legacy_rev): Likewise.
5139 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5141 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5142 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5143 on MEM's address failed, try avoid_constant_pool_reference and
5144 recurse if it returned something different.
5145 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5146 address, try avoid_constant_pool_reference and recurse if it
5147 returned something different.
5148 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5149 address and avoid_constant_pool_reference returned something
5150 different, don't set have_address.
5152 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5155 * var-tracking.c (val_store): Add modified argument, obey it.
5157 (count_uses): Move down logging of main.
5158 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5159 don't need resolution.
5160 (emit_notes_in_bb): Likewise.
5162 2010-01-27 Richard Guenther <rguenther@suse.de>
5165 * tree-inline.c (remap_decl): Delay remapping of SSA name
5166 default definitions until we need them.
5168 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5170 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5171 (rs6000_delegitimize_address): New function.
5173 * config/s390/s390.c (s390_delegitimize_address): Call
5174 delegitimize_mem_from_attrs.
5177 * tree-inline.c (cannot_copy_type_1): Removed.
5178 (copy_forbidden): Don't forbid copying of functions containing
5179 records/unions with variable length fields.
5181 2010-01-27 Christian Bruel <christian.bruel@st.com>
5185 * config/sh/sh.c (find_barrier): Increase length for non delayed
5186 conditional branches.
5188 2010-01-27 Matthias Klose <doko@ubuntu.com>
5190 * configure.ac (gnu-unique-object): Fix ldd version check.
5191 * configure: Regenerate.
5193 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5195 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5197 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5198 Test for HAVE_GNU_AS value.
5200 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5202 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5203 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5204 INT64_TYPE): Define.
5205 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5206 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5207 INT_LEAST64_TYPE): Define.
5208 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5209 UINT_LEAST64_TYPE): Define.
5210 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5211 INT_FAST64_TYPE): Define.
5212 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5213 UINT_FAST64_TYPE): Define.
5214 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5215 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5216 (SIG_ATOMIC_TYPE): Define.
5218 2010-01-26 Richard Guenther <rguenther@suse.de>
5220 * df-scan.c (df_scan_set_bb_info): Remove assert.
5221 (df_insn_rescan_debug_internal): Merge asserts.
5222 (df_install_ref): Likewise.
5223 (df_mark_reg): Use bitmap_set_range.
5224 (df_hard_reg_used_p): Remove assert.
5225 (df_hard_reg_used_count): Likewise.
5227 2010-01-26 Richard Guenther <rguenther@suse.de>
5229 PR rtl-optimization/42685
5230 * web.c (web_main): Ignore DEBUG_INSNs.
5232 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5234 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5236 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5237 Fix types of fndecl and arglist parameters.
5239 2010-01-26 Richard Guenther <rguenther@suse.de>
5242 * tree-eh.c (unsplit_eh): Skip debug insns.
5244 2010-01-26 Richard Guenther <rguenther@suse.de>
5246 PR tree-optimization/42250
5247 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5249 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5252 * omp-low.c (expand_omp_sections): Only use single_pred if
5253 l2_bb is single_pred_p.
5255 2010-01-25 Christian Bruel <christian.bruel@st.com>
5258 * config/sh/sh.c (find_barrier): Increase length for non delayed
5259 conditional branches.
5260 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5262 2010-01-24 David S. Miller <davem@davemloft.net>
5264 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5265 define if not using GAS.
5266 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5267 Likewise. Delete SECTION_MERGE code, which is only applicable
5270 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5273 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5274 mangling of va_list in system headers.
5276 2010-01-23 Toon Moene <toon@moene.org>
5278 * tree-predcom.c (combine_chains): Return NULL, not false.
5280 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5282 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5283 initialization of variable res to agree with return type.
5285 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5287 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5288 * tree-sra.c: Add include of expr.h.
5290 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5292 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5293 insert the debug stmt on the single non-EH edge from the stmt.
5295 2010-01-22 Richard Henderson <rth@redhat.com>
5298 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5299 the RHS until after generate_subtree_copies has insertted its
5300 code before the current statement.
5302 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5304 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5306 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5308 2010-01-21 Martin Jambor <mjambor@suse.cz>
5310 PR tree-optimization/42585
5311 * tree-sra.c (struct access): New field grp_total_scalarization.
5312 (dump_access): Dump the new field.
5313 (should_scalarize_away_bitmap): New variable.
5314 (cannot_scalarize_away_bitmap): Likewise.
5315 (sra_initialize): Allocate new bitmaps.
5316 (sra_deinitialize): Free new bitmaps.
5317 (create_access_1): New function.
5318 (create_access): Parts moved to create_access_1.
5319 (type_consists_of_records_p): New function.
5320 (completely_scalarize_record): Likewise.
5321 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5322 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5323 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5325 (analyze_all_variable_accesses): Completely scalarize small eligible
5328 2010-01-21 Martin Jambor <mjambor@suse.cz>
5330 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5332 2010-01-21 Andrew Haley <aph@redhat.com>
5334 * gcc.c (process_command): Move lang_specific_driver before
5335 setting cc_libexec_prefix.
5337 2010-01-21 Richard Guenther <rguenther@suse.de>
5340 * fold-const.c (negate_expr_p): Pretend only negative
5341 real constants are easily negatable.
5343 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5344 Jason Merrill <jason@redhat.com>
5346 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5347 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5348 * calls.c (initialize argument_information): Handle it.
5349 * c-common.c (handle_transparent_union_attribute): Use new name.
5350 * c-decl.c (finish_struct): Ditto.
5351 * c-typeck.c (type_lists_compatible_p): Ditto.
5352 (convert_for_assignment): Use new name and also handle record.
5353 * function.c (aggregate_value_p): Handle it.
5354 (pass_by_reference): Ditto.
5355 (assign_parm_data_types): Ditto.
5356 * print-tree.c (print_node): Ditto.
5357 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5358 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5359 * tree.c (first_field): New fn.
5361 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5364 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5365 even when linking statically, for now.
5367 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5370 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5371 without a cselib val.
5372 (count_uses): Accept MO_VAL_SET with no val on stores.
5373 (add_stores): Likewise.
5375 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5377 * var-tracking.c (check_value_val): Add a compile time assertion.
5378 (dv_is_decl_p): Simplify.
5379 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5380 gcc_assert if ENABLE_CHECKING.
5382 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5385 * var-tracking.c: Include tree-flow.h.
5386 (mem_dies_at_call): New.
5387 (dataflow_set_preserve_mem_locs): Use it.
5388 (dataflow_set_remove_mem_locs): Likewise.
5389 (dump_var): Renamed from dump_variable. Adjust all callers.
5390 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5391 * Makefile.in (var-tracking.o): Adjust deps.
5393 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5395 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5397 2010-01-20 Richard Guenther <rguenther@suse.de>
5399 PR tree-optimization/42717
5400 * tree-ssa-dce.c (get_live_post_dom): Remove.
5401 (forward_edge_to_pdom): Take an arbitrary edge to copy
5402 degenerate PHI args from.
5403 (remove_dead_stmt): Use the first post-dominator even if it
5404 does not contain live statements as redirection destination.
5406 2010-01-20 Richard Guenther <rguenther@suse.de>
5408 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5410 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5412 * sel-sched.c (create_speculation_check): Remove set but not used
5414 (try_transformation_cache): Remove set but not used variable ds.
5415 (calculate_privileged_insns): Remove set but not used variables
5416 cur_insn and min_spec_insn.
5417 (find_best_expr): Remove set but not used variable avail_n.
5418 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5420 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5422 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5423 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5426 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5429 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5430 cpu types. Add support for *-sse3 cpu types.
5431 (x86_64-*-*): Ditto.
5433 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5436 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5437 argument, call initializer_constant_valid_p_1 instead of
5438 initializer_constant_valid_p, pass CACHE to it, return NULL
5439 immediately if first call returns NULL.
5440 (initializer_constant_valid_p_1): New function.
5441 (initializer_constant_valid_p): Use it.
5443 2010-01-20 Thomas Quinot <quinot@adacore.com>
5445 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5447 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5449 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5450 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5451 (loc_list_from_tree): Don't handle unsigned division. Handle
5452 signed modulo using DW_OP_{over,over,div,mul,minus}.
5453 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5454 modulo instead of signed.
5456 2010-01-20 DJ Delorie <dj@redhat.com>
5458 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5460 (h8300_emit_stack_adjustment): Propogate it.
5462 (h8300_expand_prologue): Likewise.
5463 (h8300_expand_epilogue): Likewise.
5465 2010-01-19 Michael Matz <matz@suse.de>
5467 PR tree-optimization/41783
5468 * tree-data-ref.c (toplevel): Include flags.h.
5469 (dump_data_dependence_relation): Also dump the inputs if the
5470 result will be unknown.
5471 (split_constant_offset_1): Look through some conversions.
5472 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5473 the offset from last element is too large.
5474 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5475 (reassociate_to_the_same_stmt): Handle vector registers.
5476 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5478 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5479 wide_prolog_niters argument, emit widening instructions.
5480 (vect_do_peeling_for_alignment): Adjust caller, use widened
5481 variant of the iteration cound.
5482 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5484 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5487 * config/arm/neon-testgen.m (emit_automatics): New parameter
5488 features. Adjust for Fixed_return_reg feature.
5489 (test_intrinsic): Call emit_automatics with new feature.
5490 * config/arm/neon.ml: Update copyright years.
5491 (features): New Fixed_return_reg feature.
5492 (ops): Update feature for Vget_low.
5494 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5496 PR tree-optimization/42719
5497 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5501 * fwprop.c (all_uses_available_at): Return false if def_set dest
5502 is a REG that is used in def_insn.
5504 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5506 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5508 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5511 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5513 * target.h (struct gcc_target) <secondary_reload>: Change type
5514 of last argument to secondary_reload_info *.
5516 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5519 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5520 memory references with unaligned offsets. Remove CQImode handling.
5521 (unaligned_memory_operand): Return 1 for memory references with
5522 unaligned offsets. Remove CQImode handling.
5524 2010-01-18 Richard Guenther <rguenther@suse.de>
5527 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5530 2010-01-18 Richard Guenther <rguenther@suse.de>
5532 PR tree-optimization/42781
5533 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5534 restrict processing only if the original variable was artificial.
5536 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5538 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5539 find number of popped argument bytes.
5541 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5542 Fix the text that describes the return value for invalid insns.
5544 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5546 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5547 Clarify what 'cost of the -dependence' is. Fix quoting.
5549 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5550 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5552 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5554 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5555 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5557 2010-01-17 Richard Guenther <rguenther@suse.de>
5560 * function.c (split_complex_args): Take a VEC to modify.
5561 (assign_parms_augmented_arg_list): Build a VEC instead of
5562 a chain of PARM_DECLs.
5563 (assign_parms_unsplit_complex): Take a VEC of arguments.
5564 Do not fixup unmodified parms.
5565 (assign_parms): Deal with the VEC.
5566 (gimplify_parameters): Likewise.
5568 2010-01-17 Richard Guenther <rguenther@suse.de>
5570 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5571 node existence check.
5572 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5573 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5574 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5575 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5576 (gimple_execute_on_growing_pred): Likewise.
5578 2010-01-17 Richard Guenther <rguenther@suse.de>
5580 PR tree-optimization/42773
5581 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5582 (compute_antic_aux): Likewise.
5583 (compute_partial_antic_aux): Likewise.
5585 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5588 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5591 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5593 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5596 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5597 Fix markup for strict argument.
5599 (TARGET_SCHED_REORDER2): Fix argument types.
5601 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5602 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5604 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5605 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5607 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5610 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5611 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5612 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5613 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5614 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5616 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5618 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5620 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5621 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5623 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5625 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5628 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5630 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5631 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5633 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5635 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5637 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5638 referring to it. Fix language.
5640 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5642 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5644 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5646 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5648 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5649 '@var{stream}. Remove stray 'and'.
5651 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5653 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5655 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5657 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5658 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5660 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5661 Fix description of return value.
5662 Rename argument "sz" to "len."
5664 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5665 Clarify meaning of 'true' return value.
5667 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5669 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5670 rep_mode versus mode_rep.
5672 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5674 (TARGET_BUILTIN_DECL): Fix name.
5676 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5678 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5680 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5682 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5684 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5686 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5689 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5690 Rename argument tm_fn to md_fn.
5692 (TARGET_OPTION_PRINT): Fix argument list.
5694 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5697 * config/i386/i386.c (ix86_fixup_binary_operands):
5698 Revert FMA4 fixup of operands.
5700 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5703 * Makefile.in (write_entries_to_file, install-plugin):
5704 Use \012 instead of \n with tr.
5706 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5708 * configure.ac (HAVE_AS_REF): New C macro.
5709 * configure: Regenerate.
5710 * config.in: Likewise.
5711 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5713 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5716 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5718 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5720 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5722 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5724 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5726 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5728 (TARGET_BINDS_LOCAL_P): Fix argument type.
5730 (TARGET_ASM_FILE_END): Use prototype.
5732 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5734 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5736 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5738 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5740 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5741 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5743 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5744 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5746 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5747 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5748 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5749 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5751 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5753 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5755 (TARGET_INIT_BUILTINS): Use prototype.
5757 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5758 Put 'const char *' in braces. Fix parameter types.
5759 (TARGET_INVALID_CONVERSION): Fix parameter types.
5760 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5761 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5763 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5766 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5768 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5770 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5772 * doc/tm.texi (TARGET_HELP): Fix return type.
5774 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5775 in braces. Fix argument types.
5777 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5779 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5781 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5783 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5784 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5786 (TARGET_MANGLE_TYPE): Fix argument types.
5788 (TARGET_IRA_COVER_CLASSES): Use prototype.
5790 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5792 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5794 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5796 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5798 (TARGET_CALLEE_COPIES): Fix argument types.
5800 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5802 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5804 (TARGET_FUNCTION_VALUE): Fix argument types.
5806 (TARGET_RETURN_IN_MSB): Fix argument type.
5808 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5810 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5812 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5814 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5815 agree with return type.
5817 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5819 2010-01-15 Jing Yu <jingyu@google.com>
5821 PR rtl-optimization/42691
5822 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5823 a pseudo to a constant and are merged, and adjust comments.
5825 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5827 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5829 2010-01-15 Richard Guenther <rguenther@suse.de>
5832 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5833 labels of computed or non-local gotos to the destination.
5834 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5835 landing pad label is the first label.
5837 2010-01-15 Richard Guenther <rguenther@suse.de>
5839 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5841 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5844 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5845 to allow generation of the xssqrtdp instruction on power7.
5846 (sqrtdf2_fpr): Ditto.
5848 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5851 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5852 functions with noreturn attribute.
5855 * varasm.c (declare_weak): Add weak attribute to decl if it
5856 doesn't have one already.
5857 (assemble_external): Only add decls to weak_decls if they also
5858 have weak attribute.
5860 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5862 * var-tracking.c (var_reg_delete): Don't delete the association
5863 between REGs and values or one-part variables if the register
5866 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5869 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5870 because its first operand is a non-localized variable.
5872 2010-01-14 Martin Jambor <mjambor@suse.cz>
5874 PR tree-optimization/42706
5875 * tree-sra.c (encountered_recursive_call): New variable.
5876 (encountered_unchangable_recursive_call): Likewise.
5877 (sra_initialize): Initialize both new variables.
5878 (callsite_has_enough_arguments_p): New function.
5879 (scan_function): Call decl and flags check only for IPA-SRA, check
5880 whether there is a recursive call and whether it has enough arguments.
5881 (all_callers_have_enough_arguments_p): New function.
5882 (convert_callers): Look for recursive calls only when
5883 encountered_recursive_call is set.
5884 (ipa_early_sra): Bail out either if
5885 !all_callers_have_enough_arguments_p or
5886 encountered_unchangable_recursive_call.
5888 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5890 * sel-sched.c: Add 2010 to copyright years.
5891 * sel-sched-ir.c: Likewise.
5892 * sel-sched-ir.h: Likewise.
5894 2010-01-14 Martin Jambor <mjambor@suse.cz>
5896 PR tree-optimization/42714
5897 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5898 constructors specially.
5900 2010-01-14 Andi Kleen <ak@linux.intel.com>
5902 * config/i386/drivers-i386.c (detect_caches_intel):
5903 Add l2sizekb parameter and fill in.
5904 (host_detect_local_cpu): Add l2sizekb, fill in.
5905 Add Atom small cache heuristic.
5907 2010-01-14 Andi Kleen <ak@linux.intel.com>
5909 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5910 Add level3 parameter and fill in.
5911 (detect_caches_intel): Handle level3 cache.
5913 2010-01-14 Andi Kleen <ak@linux.intel.com>
5915 * config/i386/drivers-i386.c (host_detect_local_cpu):
5916 Fix core duo detection.
5918 2010-01-14 Andi Kleen <ak@linux.intel.com>
5920 * config/i386/drivers-i386.c (host_detect_local_cpu):
5923 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5925 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
5926 (rs6000_variable_issue_1): this. Use...
5927 (rs6000_variable_issue): here. Reimplement. Print debug info.
5929 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5931 * sel-sched-ir.c (sel_restore_other_notes): Rename to
5932 sel_restore_notes. Update all callers. Call reemit_notes
5935 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5937 PR rtl-optimization/42246
5938 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
5941 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5943 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
5944 all successors is the same as number of successors in current region.
5946 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5948 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
5949 to rename is not separable. Otherwise check that its LHS is not NULL.
5951 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5953 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
5955 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5957 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
5958 available registers when failed to discover LHS register class.
5959 Fix indentation. Update comment.
5961 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5962 Alexander Monakov <amonakov@ispras.ru>
5964 PR rtl-optimization/42389
5965 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
5967 (advance_state_on_fence): Likewise.
5968 (sel_target_adjust_priority): Print debug output only when
5969 sched_verbose >= 4, not 2.
5970 (get_expr_cost): Do not issue all unique insns on the next cycle.
5971 (fill_insns): Initialize can_issue_more from the value saved
5973 * sel-sched-ir.c (flist_add): New parameter issue_more.
5974 Init FENCE_ISSUE_MORE with it.
5975 (merge_fences): Likewise.
5976 (init_fences): Update call to flist_add.
5977 (add_to_fences, add_clean_fence_to_fences)
5978 (add_dirty_fence_to_fences): Likewise.
5979 (move_fence_to_fences): Update call to merge_fences.
5980 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
5982 * sel-sched-ir.h (struct _fence): New field issue_more.
5983 (FENCE_ISSUE_MORE): New accessor macro.
5985 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
5987 PR rtl-optimization/42388
5988 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
5989 that have no predecessors nor successors. Do not call move_bb_info
5990 for empty blocks outside of current region.
5992 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5994 PR rtl-optimization/42294
5995 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
5996 * sel-sched.c (move_exprs_to_boundary): Transitively add all
5997 originators' originators.
5999 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6001 PR rtl-optimization/39453
6002 PR rtl-optimization/42246
6003 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6005 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6007 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6008 Alexander Monakov <amonakov@ispras.ru>
6011 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6012 (maybe_tidy_empty_bb): ... here. Make static. Add new
6013 argument. Update all callers.
6014 (tidy_control_flow): ... and here. Recompute topological order
6015 of basic blocks in region if necessary.
6016 (sel_redirect_edge_and_branch): Change return type. Return true
6017 if topological order might have been invalidated.
6018 (purge_empty_blocks): Export and move from...
6019 * sel-sched.c (purge_empty_blocks): ... here.
6020 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6021 (maybe_tidy_empty_bb): Delete prototype.
6022 (purge_empty_blocks): Declare.
6024 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6026 PR rtl-optimization/42249
6027 * sel-sched.c (try_replace_dest_reg): When chosen register
6028 and original register is the same, do not bail out early, but
6029 still check all original insns for validity of replacing destination
6030 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6033 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6036 Port from no-undefined-overflow branch:
6037 2009-03-09 Richard Guenther <rguenther@suse.de>
6039 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6041 2010-01-14 Richard Guenther <rguenther@suse.de>
6044 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6046 2010-01-14 Ira Rosen <irar@il.ibm.com>
6048 PR tree-optimization/42709
6049 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6050 as scalar type in creation of constant vector operand.
6052 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6055 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6056 (check-parallel-%): Match `testsuite' directory component only
6059 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6061 PR translation/39521
6062 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6065 2010-01-13 Richard Guenther <rguenther@suse.de>
6067 PR tree-optimization/42730
6068 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6071 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6074 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6075 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6078 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6080 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6081 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6082 ___umulsi3_highpart.
6084 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6085 rather than schedule_insns if the pass is enabled.
6087 2010-01-13 Martin Jambor <mjambor@suse.cz>
6089 PR tree-optimization/42704
6090 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6093 2010-01-13 Martin Jambor <mjambor@suse.cz>
6095 PR tree-optimization/42703
6096 * tree-sra.c (analyze_access_subtree): Check that we can build a
6097 reference to the original data within the aggregate.
6099 2010-01-13 Richard Guenther <rguenther@suse.de>
6101 PR tree-optimization/42705
6102 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6104 2010-01-13 Richard Guenther <rguenther@suse.de>
6107 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6109 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6112 * var-tracking.c (values_to_unmark): New variable.
6113 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6114 values_to_unmark vector. Moved body to...
6115 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6116 instead queue it into values_to_unmark vector.
6117 (vt_find_locations): Free values_to_unmark vector.
6119 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6121 * config/s390/s390.c (override_options): Set
6122 default of max-pending-list-length to 256
6124 2010-01-13 Richard Guenther <rguenther@suse.de>
6127 * tree-pass.h (PROP_gimple_lcx): New.
6128 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6129 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6130 before the final cleanup_eh.
6131 (dump_properties): Dump PROP_gimple_lcx.
6132 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6133 (tree_lower_complex_O0): Remove.
6134 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6135 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6136 tree_lower_complex, schedule TODO_update_ssa.
6137 * lto-streamer-out.c (output_function): Stream the functions
6139 * lto-streamer-in.c (input_function): Likewise.
6140 (lto_read_body): Do not override them here.
6142 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6145 * c-typeck.c (build_c_cast): Fold value cast to union type before
6146 wrapping it in a CONSTRUCTOR.
6148 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6150 PR rtl-optimization/42699
6151 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6154 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6156 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6157 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6158 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6159 SUBTARGET_WARN_UNUSED_SPEC): ... here
6160 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6162 2010-01-12 Julian Brown <julian@codesourcery.com>
6164 * config/arm/neon-schedgen.ml (Utils): Don't try to
6165 open missing module.
6166 (find_with_result): New.
6168 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6171 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6172 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6174 PR tree-optimization/42645
6175 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6176 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6177 decl_map, set processing_debug_stmt to -1 and return name without
6180 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6182 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6183 binutils version, and reword target configuration description.
6185 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6187 * config/avr/avr.h (LINKER_NAME): Remove.
6189 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6192 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6193 that support VSX, warn for -mno-altivec if vsx is not disabled,
6196 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6197 Shujing Zhao <pearly.zhao@oracle.com>
6199 PR translation/42469
6200 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6201 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6202 character between option name and help text.
6203 * c.opt (imultilib): Likewise.
6205 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6207 * lto-streamer-out.c (output_unreferenced_globals): Output static
6210 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6212 PR rtl-optimization/42621
6213 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6214 optimizing for size.
6215 (duplicate_computed_gotos): Remove now-redundant check.
6217 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6220 * configure.ac: Save and restore LDFLAGS and LIBS
6221 * configure: Regenerate.
6223 2010-01-10 Richard Guenther <rguenther@suse.de>
6226 * builtins.c (fold_builtin_strlen): Add type argument and
6227 convert the resulting length to it.
6228 (fold_builtin_1): Adjust.
6230 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6232 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6233 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6235 (num_insns_constant_wide): Adjust for that change.
6237 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6240 * web.c (union_defs): Add used argument, to combine uses of
6242 (entry_register): Adjust type and tests of used argument.
6243 (web_main): Widen used for new use. Pass it to union_defs.
6244 * df.h (union_defs): Adjust prototype.
6246 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6249 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6250 uses in new incoming argument. Free body.
6251 (reset_debug_uses_in_loop): New.
6252 (analyze_insn_to_expand_var): Call the latter if the former found
6253 anything. Fix whitespace. Reject invalid dest overlaps before
6254 going through all insns in the loop.
6256 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6259 * haifa-sched.c (dying_use_p): Debug insns don't count.
6261 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6264 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6265 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6266 (verify_gimple_call): Reject LHS in noreturn calls.
6268 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6272 * tree-vect-loop-manip.c (adjust_info): New type.
6273 (adjust_vec): New pointer to vector.
6274 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6275 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6276 (slpeel_update_phis_for_duplicate_loop): Use them.
6277 (slpeel_update_phi_nodes_for_guard1): Likewise.
6278 (slpeel_update_phi_nodes_for_guard2): Likewise.
6279 (slpeel_tree_peel_loop_to_edge): Likewise.
6280 (vect_update_ivs_after_vectorizer): Likewise.
6282 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6284 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6285 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6287 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6289 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6290 bogus uninitialized warning.
6292 2010-01-09 Richard Guenther <rguenther@suse.de>
6295 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6296 the evolution is compatible with the initial condition.
6298 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6300 * gcc.c (process_command): Update copyright notice dates.
6301 * gcov.c (print_version): Likewise.
6302 * gcov-dump.c (print_version): Likewise.
6303 * mips-tfile.c (main): Likewise.
6304 * mips-tdump.c (main): Likewise.
6306 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6309 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6311 (rotlhi3_8): Delete.
6313 (rotlsi3_8): Delete.
6314 (rotlsi3_16): Delete.
6315 (rotlsi3_24): Delete.
6317 (*rotw<mode>3): New.
6318 (*rotb<mode>3): New.
6319 * config/avr/avr.c (avr_rotate_bytes): New function.
6320 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6322 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6325 * configure.ac: Modify -rdynamic check.
6326 * configure: Regenerate.
6328 2010-01-08 DJ Delorie <dj@redhat.com>
6330 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6331 register popping order.
6333 2010-01-08 Richard Guenther <rguenther@suse.de>
6336 * c.opt (fsigned-char): Also let LTO handle this option.
6337 (funsigned-char): Likewise.
6339 2010-01-07 Richard Guenther <rguenther@suse.de>
6341 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6342 (gimple_op): Likewise.
6343 (gimple_op_ptr): Likewise.
6344 (gimple_assign_set_lhs): Remove gcc_assert.
6345 (gimple_assign_set_rhs1): Likewise.
6346 (gimple_assign_set_rhs2): Likewise.
6347 (gimple_call_set_lhs): Likewise.
6348 (gimple_call_set_fn): Likewise.
6349 (gimple_call_set_fndecl): Likewise.
6350 (gimple_call_fndecl): Likewise.
6351 (gimple_call_return_type): Likewise.
6352 (gimple_call_set_chain): Likewise.
6353 (gimple_call_num_args): Likewise.
6354 (gimple_call_set_arg): Likewise.
6355 (gimple_cond_set_code): Likewise.
6356 (gimple_cond_set_lhs): Likewise.
6357 (gimple_cond_set_rhs): Likewise.
6358 (gimple_cond_set_true_label): Likewise.
6359 (gimple_cond_set_false_label): Likewise.
6360 (gimple_label_set_label): Likewise.
6361 (gimple_goto_set_dest): Likewise.
6362 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6363 (gimple_debug_bind_get_value): Likewise.
6364 (gimple_debug_bind_get_value_ptr): Likewise.
6365 (gimple_debug_bind_set_var): Likewise.
6366 (gimple_debug_bind_set_value): Likewise.
6367 (gimple_debug_bind_reset_value): Likewise.
6368 (gimple_debug_bind_has_value_p): Likewise.
6369 (gimple_return_retval_ptr): Remove gcc_assert.
6370 (gimple_return_retval): Likewise.
6371 (gimple_return_set_retval): Likewise.
6372 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6373 (safe_referenced_var_iterator): Remove.
6374 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6375 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6376 (fill_referenced_var_vec): Remove.
6377 (first_readonly_imm_use): Remove redundant gcc_assert.
6378 (phi_arg_index_from_use): Combine gcc_asserts.
6379 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6380 (first_imm_use_stmt): Remove redundant gcc_assert.
6381 * tree-cfg.c (verify_gimple_call): Verify function and chain
6382 operands. Verify arguments.
6383 (verify_types_in_gimple_stmt): Verify condition code and labels.
6385 2010-01-07 Richard Guenther <rguenther@suse.de>
6387 PR tree-optimization/42641
6388 * sese.c (rename_map_elt_info): Use the SSA name version, do
6391 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6393 PR tree-optimization/42625
6394 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6395 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6397 2010-01-07 Duncan Sands <baldrick@free.fr>
6399 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6401 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6404 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6405 note itself is not function_invariant_p.
6407 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6409 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6410 Do not add the DF_NOTE problem.
6411 * store-motion.c (execute_rtl_store_motion): Likewise.
6413 2010-01-07 Martin Jambor <mjambor@suse.cz>
6415 PR tree-optimization/42157
6416 * tree-sra.c (compare_access_positions): Stabilize sort if both
6417 accesses have integer types, return zero immediately if they are the
6420 2010-01-06 Richard Henderson <rth@redhat.com>
6423 * haifa-sched.c (add_to_note_list): Merge into ...
6424 (concat_note_lists): ... here, and ...
6425 (unlink_other_notes, rm_other_notes): Merge into...
6426 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6427 NOTE_INSN_EPILOGUE_BEG.
6429 2010-01-06 Richard Guenther <rguenther@suse.de>
6431 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6432 not inline regular functions into always-inline functions.
6434 2010-01-06 Nick Clifton <nickc@redhat.com>
6436 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6437 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6439 (OVERRIDE_OPTIONS): Delete.
6440 (OPTIMIZATION_OPTIONS): Define.
6441 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6442 * config/rx/rx.c (rx_handle_option): Issue an error message if
6443 -mcpu=rx200 and -fpu are used together.
6444 (rx_set_optimization_options): New function. Issue an error
6445 message if an optimization attribute attempts to reset the FPU/
6446 math optimization pairing.
6447 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6448 * config/rx/rx.opt: Set the default to 32-bit doubles.
6449 * config/rx/t-rx: Add multilibs for -nofpu option.
6450 * doc/invoke.texi: Update documentation of RX options.
6452 2010-01-06 Richard Guenther <rguenther@suse.de>
6454 * tree-ssa-pre.c (name_to_id): New global.
6455 (alloc_expression_id): Simplify SSA name handling.
6456 (lookup_expression_id): Likewise.
6457 (init_pre): Zero name_to_id.
6458 (fini_pre): Free it.
6460 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6462 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6464 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6467 * config/i386/sse.md (smaxv2di3): New.
6468 (umaxv2di3): Likewise.
6469 (sminv2di3): Likewise.
6470 (uminv2di3): Likewise.
6472 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6475 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6476 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6477 (legitimize_tls_address): Likewise.
6478 (sparc_tls_referenced_p): Likewise.
6479 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6480 and adjust calls to legitimize_pic_address.
6481 (legitimate_constant_p) Use sparc_tls_referenced_p.
6482 (legitimate_pic_operand_p): Likewise.
6483 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6484 (sparc_tls_symbol_ref_1): Delete.
6485 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6486 (legitimize_tls_address): Make static, handle CONST patterns.
6487 (legitimize_pic_address): Make static, remove unused parameter and
6488 adjust recursive calls.
6489 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6490 and adjust call to legitimize_pic_address.
6491 (sparc_output_mi_thunk): Likewise.
6493 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6494 H.J. Lu <hongjiu.lu@intel.com>
6497 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6498 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6499 operands to make them signed.
6502 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6505 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6506 GTU to GT for V4SI and V2DI.
6508 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6509 (umin<mode>3): Removed.
6511 (uminv4si3): Likewise.
6513 2010-01-05 Martin Jambor <mjambor@suse.cz>
6515 PR tree-optimization/42462
6516 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6517 current_function_decl to helper functions and macros.
6519 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6522 * flags.h: Don't include real.h.
6523 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6524 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6525 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6526 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6527 * dominance.c: Update copyright.
6528 * gimple.c (walk_gimple_op): Remove inline.
6529 * tree-ssa-reassoc.c: Include real.h.
6530 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6531 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6533 2010-01-05 Nick Clifton <nickc@redhat.com>
6535 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6536 register to push into the stack frame when the accumulator has to
6537 be saved during interrupts.
6539 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6541 * doc/invoke.texi: Remove the documentation about option
6543 * common.opt (Wunreachable-code): Preserved for backward
6545 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6546 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6547 the backward compatibility flag section.
6549 2010-01-05 Richard Guenther <rguenther@suse.de>
6551 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6553 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6556 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6558 PR tree-optimization/42508
6559 * tree-sra.c (convert_callers): Check for recursive call
6560 by comparing cgraph nodes instead of decls.
6561 (modify_function): Call ipa_modify_formal_parameters also
6562 on all same_body aliases.
6564 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6565 cgraph nodes when checking for same_body aliases.
6567 2010-01-05 Richard Guenther <rguenther@suse.de>
6569 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6570 allocation and lookup.
6571 (get_or_alloc_expr_for_constant): Likewise.
6572 (phi_translate): Sink allocation.
6574 2010-01-04 Richard Guenther <rguenther@suse.de>
6576 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6577 a new entry only if needed.
6578 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6579 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6581 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6583 (phi_translate): Handle CONSTANTs early.
6585 2010-01-04 Martin Jambor <mjambor@suse.cz>
6587 PR tree-optimization/42398
6588 * tree-sra.c (struct access): Removed flag grp_different_types.
6589 (dump_access): Do not dump the removed flag.
6590 (sort_and_splice_var_accesses): Do not set the removed flag.
6591 (sra_modify_expr): Check for type compatibility directly.
6593 2010-01-04 Martin Jambor <mjambor@suse.cz>
6595 PR tree-optimization/42366
6596 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6597 edges with variable number of parameters.
6598 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6599 flag instead of asserting it.
6600 (ipa_read_node_info): Read uses_analysis_done flag.
6602 2010-01-04 Richard Guenther <rguenther@suse.de>
6604 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6605 iterative_hash_* as intended.
6606 (vn_reference_compute_hash): Likewise. Simplify hashing
6608 (vn_reference_lookup_2): Likewise.
6609 (vn_nary_op_compute_hash): Likewise.
6610 (vn_phi_compute_hash): Likewise.
6611 (expressions_equal_p): Remove strange code.
6612 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6613 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6614 (bitmap_insert_into_set_1): Take value-id as parameter.
6615 (add_to_value): Pass it.
6616 (bitmap_insert_into_set): Likewise.
6617 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6619 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6622 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6623 (do_self_spec): For switches with SWITCH_IGNORE set set also
6624 SWITCH_IGNORE_PERMANENTLY.
6625 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6628 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6630 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6631 tree of an unreferenced global var.
6633 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6636 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6637 GTU to GT for V4SI and V2DI.
6639 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6640 (umin<mode>3): Removed.
6642 (uminv4si3): Likewise.
6644 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6647 * collect2.c (main): Turn on trace in collect2 if -v is passed
6650 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6652 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6653 description of expression operand.
6655 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6657 * configure.ac: Add install-html to target_list for Make-hooks.
6658 * configure: Regenerate.
6659 * fortran/Make-lang.in (F95_HTMLFILES): New.
6660 (fortran.html): Use it.
6661 (fortran.install-html): New.
6662 * Makefile.in (install-html): Add lang.install-html.
6663 * java/Make-lang.in (JAVA_HTMLFILES): New.
6664 (java.html): Use it.
6665 (java.install-html): New.
6666 * objc/Make-lang.in (objc.install-html): New.
6667 * objcp/Make-lang.in (obj-c++.install-html): New.
6668 * cp/Make-lang.in (c++.install-html): New.
6669 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6670 * lto/Make-lang.in (lto.install-html): New.
6672 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6675 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6677 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6679 PR rtl-optimization/41862
6680 * store-motion.c (store_killed_in_insn, compute_store_table,
6681 remove_reachable_equiv_notes, replace_store_insn,
6682 build_store_vectors): Ignore all DEBUG_INSNs.
6684 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6687 * common.opt: Add dumpdir.
6689 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6691 (option_map): Add --dumpdir.
6693 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6695 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6697 * opts.c (decode_options): Try dump_dir_name first if
6698 dump_base_name isn't an absolute path.
6699 (common_handle_option): Handle OPT_dumpdir.
6701 * toplev.c (dump_dir_name): New.
6702 (print_switch_values): Also ignore -dumpdir.
6704 * toplev.h (dump_dir_name): New.
6706 2010-01-03 Richard Guenther <rguenther@suse.de>
6708 PR tree-optimization/42589
6709 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6710 double-word expansion of bswap32.
6712 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6714 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6715 with BLOCK_FOR_INSN.
6716 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6717 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6718 noce_process_if_block): Likewise.
6719 * gcse.c (compute_local_properties, insert_expr_in_table,
6720 insert_set_in_table, canon_list_insert, find_avail_set,
6721 pre_insert_copy_insn): Likewise.
6723 * basic-block.h (BLOCK_NUM): Move from here...
6724 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6726 2010-01-03 Richard Guenther <rguenther@suse.de>
6728 PR tree-optimization/42438
6729 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6730 contains_may_not_return_call flag.
6731 (BB_MAY_NOTRETURN): New.
6732 (valid_in_sets): Trapping nary operations are not valid
6733 in blocks that may not return.
6734 (insert_into_preds_of_block): Remove check for trapping expressions.
6735 (compute_avail): Compute also BB_MAY_NOTRETURN.
6737 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6739 * doc/invoke.texi: Add 2010 to copyright years.
6741 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6743 * config/sparc/sparc.c: Fix formatting nits.
6745 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6746 Alexander Monakov <amonakov@ispras.ru>
6748 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6750 2010-01-02 Richard Guenther <rguenther@suse.de>
6753 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6754 (simplify_switch_using_ranges): Mark to be removed edges
6757 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6759 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6761 * collect2.c (scan_libraries): Add missing argument in call to
6764 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6767 * config/alpha/predicates.md (aligned_memory_operand): Return false
6769 (unaligned_memory_operand): Return true for CQImode.
6770 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6771 doesn not cross aligned SImode word boundary.
6773 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6775 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6777 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6778 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6780 2010-01-02 Richard Guenther <rguenther@suse.de>
6783 * toplev.c (compile_file): Emit LTO marker properly. Change
6785 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6787 2010-01-01 Richard Guenther <rguenther@suse.de>
6790 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6792 2010-01-01 Richard Guenther <rguenther@suse.de>
6795 * c-decl.c (grokdeclarator): For zero-size arrays force
6796 structural equality checks as layout_type does.
6798 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6800 * builtins.c: Update copyright to 2010.
6802 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6805 * lto-streamer-out.c (produce_asm): Revert the last change.
6806 (copy_function): Likewise.
6808 * lto-streamer.c (lto_get_section_name): Skip any leading
6811 2010-01-01 Richard Guenther <rguenther@suse.de>
6814 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6818 Copyright (C) 2010 Free Software Foundation, Inc.
6820 Copying and distribution of this file, with or without modification,
6821 are permitted in any medium without royalty provided the copyright
6822 notice and this notice are preserved.