1 2010-04-21 Richard Guenther <rguenther@suse.de>
3 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
4 to non-pointer objects.
6 2010-04-21 Jakub Jelinek <jakub@redhat.com>
8 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
9 last chain entry if it starts with the still current label.
10 (add_location_or_const_value_attribute): Check that
11 loc_list->first->next is NULL instead of comparing ->first with
13 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
14 to add_var_loc_to_decl.
16 * dwarf2out.c (output_call_frame_info): For dw_cie_version
17 >= 4 add also address size and segment size fields into CIE
20 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
21 long as address size is the same as sizeof (void *) and
23 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
24 address size or segment size is unexpected, return DW_EH_PE_omit.
25 (classify_object_over_fdes): If get_cie_encoding returned
26 DW_EH_PE_omit, return -1.
27 (init_object): If classify_object_over_fdes returned -1,
28 pretend there were no FDEs at all.
30 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
32 * config/i386/i386.md (bswap<mode>2): Macroize expander from
33 bswap{si,di}2 using SWI48 mode iterator.
34 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
35 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
36 set modrm attribute of bswap insn to 0 and remove length attribute.
37 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
38 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
39 set mode attribute to <MODE> and remove length attribute.
41 2010-04-20 James E. Wilson <wilson@codesourcery.com>
43 PR rtl-optimization/43520
44 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
45 zero available registers.
47 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
49 * builtins.c (fold_builtin_cproj): Fold more cases.
51 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
53 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
54 (fold_builtin_1): Fold builtin cproj.
55 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
56 Use ATTR_CONST_NOTHROW_LIST.
58 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
60 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
61 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
62 ffsi2_no_cmove for !TARGET_CMOVE.
63 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
64 (ffssi2): Remove expander.
65 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
67 (ctz<mode>2): Ditto from ctz{si,di}2.
68 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
70 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
73 2010-04-20 Jakub Jelinek <jakub@redhat.com>
75 * dwarf2out.c (AT_linkage_name): Define.
76 (clone_as_declaration): Handle DW_AT_linkage_name.
77 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
78 of DW_AT_MIPS_linkage_name.
79 (move_linkage_attr): Likewise.
80 (dwarf2out_finish): Likewise.
82 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
85 * fold-const.c (fold_comparison): New folding rule.
87 2010-04-20 Anatoly Sokolov <aesok@post.ru>
89 * double-int.h (double_int_setbit): Declare.
90 * double-int.c (double_int_setbit): New function.
91 * rtl.h (immed_double_int_const): Declare.
92 * emit-rtl.c (immed_double_int_const): New function.
93 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
94 and immed_double_int_const functions.
95 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
96 expand_copysign_bit): (Ditto.).
97 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
98 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
99 * dojump.c (prefer_and_bit_test): (Ditto.).
100 * expr.c (convert_modes, reduce_to_bit_field_precision,
101 const_vector_from_tree): (Ditto.).
102 * expmed.c (mask_rtx, lshift_value): (Ditto.).
104 2010-04-20 Jan Hubicka <jh@suse.cz>
106 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
107 (dump_cgraph_node): Dump new flags.
108 * cgraph.h (struct cgraph_node): Add flags
109 reachable_from_other_partition and in_other_partition.
110 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
111 other partition can not be removed.
112 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
113 the other partition must be output; silence sanity checking on
114 leaking functions bodies from other paritition.
115 * lto-cgraph.c (reachable_from_other_partition_p): New function.
116 (lto_output_node): Output new flags; do not sanity check that inline
117 clones are output; drop lto_forced_extern_inline_p code; do not mock
118 visibility flags at partition boundaries.
119 (add_node_to): New function.
120 (output_cgraph): Use it to sort functions so masters appear before
122 (input_overwrite_node): Input new flags.
123 * passes.c (ipa_write_summaries): Do not call
124 lto_new_extern_inline_states.
125 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
126 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
127 lto_forced_extern_inline_p): Kill.
128 * lto-streamer.h (lto_new_extern_inline_states,
129 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
130 lto_forced_extern_inline_p): Kill.
132 2010-04-20 Richard Guenther <rguenther@suse.de>
134 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
135 from vars that can have pointers.
136 (process_constraint): Dump useless constraints.
138 2010-04-20 Richard Guenther <rguenther@suse.de>
140 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
141 (dump_sa_points_to_info): Remove asserts.
142 (init_base_vars): nothing_id isn't an escape point nor does it
145 2010-04-20 Jakub Jelinek <jakub@redhat.com>
147 * tree.h (TYPE_REF_IS_RVALUE): Define.
148 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
149 should_move_die_to_comdat, prune_unused_types_walk): Handle
150 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
151 (modified_type_die, gen_reference_type_die): Emit
152 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
153 if TYPE_REF_IS_RVALUE and -gdwarf-4.
155 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
158 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
159 calls for -fpic -m31 if they have been sibcall optimized.
161 2010-04-19 James E. Wilson <wilson@codesourcery.com>
163 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
164 ar.lc fixed and call-used.
166 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
168 2010-04-19 Jan Hubicka <jh@suse.cz>
170 * opts.c (decode_options): Disable whpr incompatible passes.
171 * lto/lto.c (lto_1_to_1_map): Skip clones.
172 (read_cgraph_and_symbols): Do not mark everything as needed.
173 (do_whole_program_analysis): Do map only after optimizing;
174 set proper cgraph_state; use passmanager.
176 2010-04-19 DJ Delorie <dj@redhat.com>
178 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
179 POINTER_PLUS_EXPR and fix them.
181 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
183 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
184 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
185 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
186 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
187 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
188 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
189 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
190 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
191 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
192 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
193 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
195 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
197 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
198 (check_cond_move_block): Likewise.
199 (cond_move_process_if_block): Likewise.
200 (noce_find_if_block): Improve formatting.
201 (find_if_header): Pass 0 to memset and tweak conditions.
202 (cond_exec_find_if_block): Fix long lines and tweak conditions.
204 2010-04-19 Jakub Jelinek <jakub@redhat.com>
206 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
210 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
211 with non-local decl doesn't need chain.
213 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
215 * ira-color.c (allocno_reload_assign): Avoid accumulating
216 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
218 2010-04-19 Martin Jambor <mjambor@suse.cz>
220 * gimple.h (create_tmp_reg): Declare.
221 * gimplify.c (create_tmp_reg): New function.
222 (gimplify_return_expr): Use create_tmp_reg.
223 (gimplify_omp_atomic): Likewise.
224 (gimple_regimplify_operands): Likewise.
225 * tree-dfa.c (make_rename_temp): Likewise.
226 * tree-predcom.c (predcom_tmp_var): Likewise.
227 (reassociate_to_the_same_stmt): Likewise.
228 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
229 (get_replaced_param_substitute): Likewise.
230 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
231 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
232 * tree-ssa-pre.c (get_representative_for): Likewise.
233 (create_expression_by_pieces): Likewise.
234 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
235 (create_tailcall_accumulator): Likewise.
237 2010-04-19 Martin Jambor <mjambor@suse.cz>
239 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
241 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
243 2010-04-19 Richard Guenther <rguenther@suse.de>
245 PR tree-optimization/43796
246 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
247 from SCEV in the lattice.
248 (vrp_visit_phi_node): Dump change.
250 2010-04-19 Richard Guenther <rguenther@suse.de>
252 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
253 * configure: Re-generated.
255 2010-04-19 Richard Guenther <rguenther@suse.de>
257 PR tree-optimization/43783
258 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
259 constant ARRAY_REF operands two and three if possible.
261 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
264 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
266 2010-04-19 Jie Zhang <jie@codesourcery.com>
269 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
271 2010-04-19 Ira Rosen <irar@il.ibm.com>
273 PR tree-optimization/37027
274 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
275 and macro to access it.
276 (vectorizable_reduction): Add argument.
277 (vect_get_slp_defs): Likewise.
278 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
279 statements for possible use in SLP.
280 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
281 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
282 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
284 (vectorizable_reduction): Likewise.
285 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
287 (vectorizable_type_demotion, vectorizable_type_promotion,
288 vectorizable_store): Likewise.
289 (vect_analyze_stmt): Update call to vectorizable_reduction.
290 (vect_transform_stmt): Likewise.
291 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
292 (vect_build_slp_tree): Fix indentation. Check that there are no loads
293 from different interleaving chains in same node.
294 (vect_slp_rearrange_stmts): New function.
295 (vect_supported_load_permutation_p): Allow load permutations for
296 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
297 inside SLP nodes if necessary.
298 (vect_analyze_slp_instance): Handle reductions.
299 (vect_analyze_slp): Try to build SLP instances originating from groups
301 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
302 (vect_get_constant_vectors): Create initial vectors for reductions
303 according to reduction code. Add new argument.
304 (vect_get_slp_defs): Add new argument, pass it to
305 vect_get_constant_vectors.
306 (vect_schedule_slp_instance): Remove SLP tree root statements.
308 2010-04-19 Jakub Jelinek <jakub@redhat.com>
310 * tree.h (ENUM_IS_SCOPED): Define.
311 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
312 for ENUM_IS_SCOPED enums.
314 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
316 * fold-const.c (fold_comparison): Use ssizetype.
317 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
318 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
319 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
320 * tree-object-size.c (compute_object_sizes): Use size_type_node.
322 * tree.h (initialize_sizetypes): Remove parameter.
323 (build_common_tree_nodes): Remove second parameter.
324 * stor-layout.c (initialize_sizetypes): Remove parameter.
325 Always create an unsigned type.
326 (set_sizetype): Assert that the passed type is unsigned and simplify.
327 * tree.c (build_common_tree_nodes): Remove second parameter.
328 Adjust call to initialize_sizetypes.
329 * c-decl.c (c_init_decl_processing): Remove second argument in call to
330 build_common_tree_nodes.
332 2010-04-18 Matthias Klose <doko@ubuntu.com>
334 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
336 2010-04-18 Ira Rosen <irar@il.ibm.com>
338 PR tree-optimization/43771
339 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
340 load permutation doesn't have gaps.
342 2010-04-18 Jan Hubicka <jh@suse.cz>
344 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
345 (sse_prologue_save_insn expander): Use new pattern.
346 (sse_prologue_save_insn1): New pattern and splitter.
347 (sse_prologue_save_insn): Update to deal also with 64bit aligned
349 * i386.c (setup_incoming_varargs_64): Do not compute jump
351 (ix86_gimplify_va_arg): Update alignment needed.
352 (ix86_local_alignment): Do not align all local arrays to 128bit.
354 2010-04-17 Jan Hubicka <jh@suse.cz>
356 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
358 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
360 * arm.md (negdi2): Remove redundant code to force values into a
363 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
365 * arm/bpabi.S: Add EABI alignment attributes to objects.
366 * arm/bpabi-v6m.S: Likewise.
367 * arm/crti.asm: Likewise.
368 * arm/crtn.asm: Likewise.
369 * arm/lib1funcs.asm: Likewise.
370 * arm/libunwind.S: Likewise.
372 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
374 * arm-protos.h (tune_params): New structure.
375 * arm.c (current_tune): New variable.
376 (arm_constant_limit): Delete.
377 (struct processors): Add pointer to the tune parameters.
378 (arm_slowmul_tune): New tuning option.
379 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
380 (all_cores): Adjust to pick up the tuning model.
381 (arm_constant_limit): New function.
382 (arm_override_options): Select the appropriate tuning model. Delete
383 initialization of arm_const_limit.
384 (arm_split_constant): Use the new constant-limit model.
385 (arm_rtx_costs): Pick up the current tuning model.
386 * arm.md (is_strongarm, is_xscale): Delete.
387 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
388 for Xscale variant architectures.
389 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
391 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
393 * config/arm/arm.c (arm_gen_constant): Remove unused variable
395 (arm_rtx_costs_1): Remove unused variable extra_cost.
396 (arm_unwind_emit_set): Use variable offset.
397 (thumb1_output_casesi): Remove unused variable flags.
399 2010-04-16 Jeff Law <law@redhat.com>
401 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
402 needing assignment rather than doing a two-phase assignment. Remove
405 2010-04-16 Jakub Jelinek <jakub@redhat.com>
408 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
410 2010-04-16 Doug Kwan <dougkwan@google.com>
412 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
413 (next_operand_entry_id): New static variable.
414 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
415 (add_to_ops_vec): Assigned unique ID to operand entry.
416 (struct oecount_s): New field ID.
417 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
418 (undistribute_ops_list): Assign unique IDs to oecounts.
419 (init_reassoc): reset next_operand_entry_id.
421 2010-04-16 Doug Kwan <dougkwan@google.com>
423 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
424 missing left parenthesis.
426 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
428 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
429 *btdi_rex64 using SWI48 mode iterator.
430 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
431 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
432 *jcc_btdi_mask_rex64.
434 2010-04-16 Anatoly Sokolov <aesok@post.ru>
436 * double-int.h (tree_to_double_int): Convert to macro.
437 * double-int.c (tree_to_double_int): Remove.
439 2010-04-16 Jakub Jelinek <jakub@redhat.com>
442 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
443 with want_address 2 and in case a single element list might be
444 possible, call it again with want_address 0.
446 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
448 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
449 case 'W' print operands for HI mode.
450 * config/h8300/h8300.h (Y0, Y2) : New constraints.
451 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
452 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
453 * config/h8300/predicate.md (bit_register_indirect_operand): New.
455 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
457 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
458 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
459 #xx:3 and #xx:4 mode.
461 * config/h8300/h8300.md (inverted load with HImode dest): Add
464 * config/h8300/predicate.md (bit_operand): Allow immediate values that
465 satisfy 'U' constraint.
467 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
469 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
470 * configure: Regenerate.
471 * config.in: Regenerate.
472 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
475 2010-04-16 Richard Guenther <rguenther@suse.de>
477 * tree.h (struct tree_decl_minimal): Move pt_uid ...
478 (struct tree_decl_common): ... here.
479 (DECL_PT_UID): Adjust.
480 (SET_DECL_PT_UID): Likewise.
481 (DECL_PT_UID_SET_P): Likewise.
483 2010-04-16 Richard Guenther <rguenther@suse.de>
485 PR tree-optimization/43572
486 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
487 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
488 * tree-flow.h (is_call_clobbered): Remove.
489 * tree-flow-inline.h (is_call_clobbered): Likewise.
490 * tree-dfa.c (dump_variable): Do not dump call clobber state.
491 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
492 (execute_return_slot_opt): Adjust.
493 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
494 check for call clobbered vars here.
495 (find_tail_calls): Move tailcall verification to the
498 2010-04-16 Diego Novillo <dnovillo@google.com>
500 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
502 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
505 * config/arm/arm.md (cbranchqi4): New pattern.
506 * config/arm/predicates.md (const0_operand,
507 cbranchqi4_comparison_operator): New predicates.
509 2010-04-16 Richard Guenther <rguenther@suse.de>
511 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
512 (dump_gimple_stmt): Likewise.
514 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
516 * recog.h (struct recog_data): New field is_operator.
517 (struct insn_operand_data): New field is_operator.
518 * recog.c (extract_insn): Set recog_data.is_operator.
519 * genoutput.c (output_operand_data): Emit code to set the
521 * reload.c (find_reloads): Use it rather than testing for an
522 empty constraint string.
525 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
526 If the previous insn is a cbranchsi4_insn with the same arguments,
527 omit the compare instruction.
529 * config/arm/arm.md (addsi3_cbranch): If destination is a high
530 register, inputs must be low registers and we need a low register
531 scratch. Handle alternative 2 like alternative 3.
533 2010-04-16 Jakub Jelinek <jakub@redhat.com>
535 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
536 don't call get_addr on both. If one expression is a VALUE and
537 the other a REG, check VALUE's locs if the REG isn't among them.
539 2010-04-16 Christian Bruel <christian.bruel@st.com>
541 * config/sh/sh.h (sh_frame_pointer_required): New function.
542 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
543 (flag_omit_frame_pointer) Set.
544 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
545 (rounded_frame_size): Adjust size with outgoing_args_size.
546 (sh_set_return_address): Must return from stack pointer.
547 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
548 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
549 (ACCUMULATE_OUTGOING_ARGS): Define.
550 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
551 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
553 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
556 * config/sh/sh.c (sh_legitimize_reload_address): Use
557 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
558 Remove a unneeded check for offset_base.
560 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
562 * configure: Regenerated.
564 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
566 * config/s390/s390.c (s390_call_save_register_used): Switch back
569 2010-04-15 Richard Guenther <rguenther@suse.de>
571 * alias.c (alias_set_subset_of): Handle alias-set zero
574 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
575 Julian Brown <julian@codesourcery.com>
577 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
578 alternatives according to use of high and low regs.
579 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
580 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
581 optimizing for size on Thumb-2.
583 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
585 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
587 2010-04-15 Richard Guenther <rguenther@suse.de>
589 * tree-ssa-structalias.c (struct variable_info): Add
591 (new_var_info): Initialize it.
592 (dump_constraints): Support printing last added constraints.
593 (debug_constraints): Adjust.
594 (dump_constraint_graph): Likewise.
595 (make_heapvar_for): Check for NULL cfun.
596 (get_function_part_constraint): New function.
597 (get_fi_for_callee): Likewise.
598 (find_func_aliases): Properly implement IPA PTA constraints.
599 (process_ipa_clobber): New function.
600 (find_func_clobbers): Likewise.
601 (insert_into_field_list_sorted): Remove.
602 (create_function_info_for): Properly allocate vars for IPA mode.
603 Do not use insert_into_field_list_sorted.
604 (create_variable_info_for): Properly generate constraints for
605 global vars in IPA mode.
606 (dump_solution_for_var): Always dump the solution.
607 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
608 (find_what_var_points_to): Adjust.
609 (pt_solution_set): Change.
610 (pt_solution_ior_into): New function.
611 (pt_solution_empty_p): Export.
612 (pt_solution_includes_global): Adjust.
613 (pt_solution_includes_1): Likewise.
614 (pt_solutions_intersect_1): Likewise.
615 (dump_sa_points_to_info): Check some invariants.
616 (solve_constraints): Move constraint dumping ...
617 (compute_points_to_sets): ... here.
618 (ipa_pta_execute): ... and here.
619 (compute_may_aliases): Do not re-compute points-to info
620 locally if IPA info is available.
621 (ipa_escaped_pt): New global var.
622 (ipa_pta_execute): Properly implement IPA PTA.
623 * tree-into-ssa.c (dump_decl_set): Support dumping
624 decls not in referenced-vars.
625 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
626 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
627 (dump_points_to_solution): Likewise.
628 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
629 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
630 (remap_gimple_stmt): Reset call clobber/use information if necessary.
631 (copy_decl_to_var): Copy DECL_PT_UID.
632 (copy_result_decl_to_var): Likewise.
633 * tree.c (make_node_stat): Initialize DECL_PT_UID.
634 (copy_node_stat): Copy it.
635 * tree.h (DECL_PT_UID): New macro.
636 (SET_DECL_PT_UID): Likewise.
637 (DECL_PT_UID_SET_P): Likewise.
638 (struct tree_decl_minimal): Add pt_uid member.
639 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
640 (pt_solution_empty_p): Declare.
641 (pt_solution_set): Adjust.
642 (ipa_escaped_pt): Declare.
643 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
644 * gimple-pretty-print.c (pp_points_to_solution): New function.
645 (dump_gimple_call): Dump call clobber/use information.
646 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
647 * tree-pass.h (TDF_ALIAS): New dump option.
648 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
649 * doc/invoke.texi (-fipa-pta): Update documentation.
651 2010-04-15 Richard Guenther <rguenther@suse.de>
653 * Makefile.in (OBJS-common): Add gimple-fold.o.
654 (gimple-fold.o): New rule.
655 * tree.h (maybe_fold_offset_to_reference,
656 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
658 * gimple.h: ... here.
659 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
660 may_propagate_address_into_dereference): Move prototypes ...
661 * gimple.h: ... here.
662 * tree-ssa-ccp.c (get_symbol_constant_value,
663 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
664 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
665 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
666 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
667 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
668 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
669 gimplify_and_update_call_from_tree): Move ...
670 * gimple-fold.c: ... here. New file.
671 (ccp_fold_builtin): Rename to ...
672 (gimple_fold_builtin): ... this.
673 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
675 2010-04-15 Richard Guenther <rguenther@suse.de>
677 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
678 fit_double_type, force_fit_type_double, add_double_with_sign,
679 neg_double, mul_double_with_sign, lshift_double, rshift_double,
680 lrotate_double, rrotate_double, div_and_round_double): Move ...
681 * double-int.c: ... here.
682 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
683 add_double, neg_double, mul_double_with_sign, mul_double,
684 lshift_double, rshift_double, lrotate_double, rrotate_double,
685 div_and_round_double): Move prototypes ...
686 * double-int.h: ... here.
688 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
691 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
692 matching constraints to ensure inputs match the output.
694 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
697 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
698 in an input-only operand.
700 2010-04-15 Anatoly Sokolov <aesok@post.ru>
702 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
703 (double_int_not, double_int_lshift, double_int_rshift): Declare.
704 (double_int_negative_p): Convert to static inline function.
705 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
706 (double_int_negative_p): Remove.
707 * tree.h (lshift_double, rshift_double):
708 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
709 * fold-const.c (fold_convert_const_int_from_real,
710 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
711 (lshift_double): Change type of arith argument to bool.
712 (rshift_double): Change type of arith argument to bool. Correct
714 * expmed.c (mask_rtx, lshift_value): (Ditto.).
716 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
719 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
720 at the start and end of the then/else blocks, and omit them from the
722 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
723 argument; all callers changed. Pass zero to old_insns_match_p instead.
724 (flow_find_head_matching_sequence): New function.
725 (old_insns_match_p): Check REG_EH_REGION notes for calls.
726 * basic-block.h (flow_find_cross_jump,
727 flow_find_head_matching_sequence): Declare functions.
729 2010-04-14 Jason Merrill <jason@redhat.com>
732 * c-common.c (attribute_takes_identifier_p): New fn.
733 * c-common.h: Declare it.
735 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
737 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
739 (*udivmod<mode>4): Ditto.
741 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
743 * config/i386/i386.md (maxmin_int): Rename code attribute from
744 maxminiprefix and update all users.
745 (maxmin_float): Ditto from maxminfprefix.
746 (logic): Ditto from logicprefix.
747 (absneg_mnemonic): Ditto from absnegprefix.
748 * config/i386/mmx.md: Update all users of maxminiprefix,
749 maxminfprefix and logicprefix for rename.
750 * config/i386/sse.md: Ditto.
751 * config/i386/sync.md (sync_<code><mode>): Update for
754 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
757 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
758 warnings converted to errors.
760 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
762 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
763 used insn_type variable.
764 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
765 to avoid set-but-not-used warning.
767 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
769 * df-core.c (df_ref_debug): Change format string placeholder
771 * dwarf2asm.c (dw2_asm_output_data_raw,
772 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
773 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
774 * dwarf2out.c (output_cfi, output_cfi_directive,
775 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
776 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
778 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
779 * print-rtl.c (print_rtx): Ditto.
781 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
784 * builtins.c (expand_builtin_pow_root): New function to expand pow
785 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
786 series of sqrt and cbrt calls under -ffast-math.
787 (expand_builtin_pow): Call it.
789 2010-04-14 Michael Matz <matz@suse.de>
791 PR tree-optimization/42963
792 * tree-cfg.c (touched_switch_bbs): New static variable.
793 (group_case_labels_stmt): New function broken out from ...
794 (group_case_labels): ... here, use the above.
795 (start_recording_case_labels): Allocate touched_switch_bbs.
796 (end_recording_case_labels): Deallocate it, call
797 group_case_labels_stmt.
798 (gimple_redirect_edge_and_branch): Remember index of affected BB.
800 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
802 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
805 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
807 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
809 2010-04-13 Jan Hubicka <jh@suse.cz>
811 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
812 of optimized out static functions.
813 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
814 cost computation. Also sanity check for overflows.
815 (update_caller_keys): Update cgraph_edge_badness call; properly
816 update fibheap and sanity check that it is up to date.
817 (add_new_edges_to_heap): Update cgraph_edge_badness.
818 (cgraph_decide_inlining_of_small_function): Likewise;
819 add sanity checking that badness in heap is up to date;
820 improve dumping of reason; Update badness of calls to the
821 offline copy of function currently inlined; dump badness
822 of functions not inlined because of unit growth limits.
824 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
827 * c-common.c (pointer_int_sum): Disregard overflow that occured only
828 because of sign-extension change when converting to sizetype here...
829 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
831 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
832 the folding to constants. Remove redundant final conversion.
833 (fold_binary) <associate>: Do not associate if the re-association of
834 constants alone overflows.
835 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
836 to the end of the list.
837 (multiple_of_p) <COND_EXPR>: New case.
839 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
841 * opt-functions.awk (opt_sanitized_name): New.
843 * optc-gen.awk: Use it
844 * opth-gen.awk: Use it.
846 2010-04-13 Martin Jambor <mjambor@suse.cz>
848 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
849 (sra_modify_assign): Delete stmts loading dead data even if racc has no
850 children. Call replace_uses_with_default_def_ssa_name to handle
853 2010-04-13 Michael Matz <matz@suse.de>
856 * builtins.c (expand_builtin_interclass_mathfn): Also create
857 a register if the predicate doesn't match.
859 2010-04-13 Diego Novillo <dnovillo@google.com>
861 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
862 * c-pch.c: Include timevar.h.
863 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
864 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
865 * ggc-common.c: Include timevar.h.
866 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
867 * timevar.def (TV_PCH_SAVE): Define.
868 (TV_PCH_CPP_SAVE): Define.
869 (TV_PCH_PTR_REALLOC): Define.
870 (TV_PCH_PTR_SORT): Define.
871 (TV_PCH_RESTORE): Define.
872 (TV_PCH_CPP_RESTORE): Define.
874 2010-04-13 Michael Matz <matz@suse.de>
876 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
878 (can_reassociate_p): New function.
879 (break_up_subtract_bb, reassociate_bb): Use it.
881 2010-04-13 Richard Guenther <rguenther@suse.de>
884 * builtins.c (c_readstr): Fix assert.
886 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
888 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
889 when generating cltd insn.
891 (*ashl<mode>3_1): Remove special handling for register operand 2.
892 (*ashlsi3_1_zext): Ditto.
894 (*ashlhi3_1_lea): Ditto.
896 (*ashlqi3_1_lea): Ditto.
897 (*<shiftrt_insn><mode>3_1): Ditto.
898 (*<shiftrt_insn>si3_1_zext): Ditto.
899 (*<shiftrt_insn>qi3_1_slp): Ditto.
900 (*<rotate_insn><mode>3_1): Ditto.
901 (*<rotate_insn>si3_1_zext): Ditto.
902 (*<rotate_insn>qi3_1_slp): Ditto.
904 2010-04-13 Richard Guenther <rguenther@suse.de>
906 * tree-ssa-structalias.c (callused_id): Remove.
907 (call_stmt_vars): New.
908 (get_call_vi): Likewise.
909 (lookup_call_use_vi): Likewise.
910 (lookup_call_clobber_vi): Likewise.
911 (get_call_use_vi): Likewise.
912 (get_call_clobber_vi): Likewise.
913 (make_transitive_closure_constraints): Likewise.
914 (handle_const_call): Adjust to do per-call call-used handling.
915 (handle_pure_call): Likewise.
916 (find_what_var_points_to): Remove general callused handling.
917 (init_base_vars): Likewise.
918 (init_alias_vars): Initialize call_stmt_vars.
919 (compute_points_to_sets): Process call-used and call-clobbered
920 vars for call statements.
921 (delete_points_to_sets): Free call_stmt_vars.
923 2010-04-13 Richard Guenther <rguenther@suse.de>
925 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
926 Only add RW dependence for dependence distance zero.
927 Adjust maximal vectorization factor according to dependences.
928 Move alignment handling ...
929 (vect_find_same_alignment_drs): ... here. New function.
930 (vect_analyze_data_ref_dependences): Adjust.
931 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
932 (vect_analyze_data_refs): Adjust minimal vectorization factor
933 according to data references.
934 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
935 dependences before determining the vectorization factor.
936 Analyze alignment after determining the vectorization factor.
937 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
938 dependences before alignment.
939 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
941 (vect_analyze_data_refs): Likewise.
942 (MAX_VECTORIZATION_FACTOR): New define.
944 2010-04-13 Duncan Sands <baldrick@free.fr>
946 * except.h (lang_eh_type_covers): Remove.
947 * except.c (lang_eh_type_covers): Likewise.
949 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
950 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
952 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
953 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
954 UNITS_PER_LONG where it is ABI relevant.
955 (s390_return_addr_rtx): Likewise.
956 (s390_back_chain_rtx): Likewise.
957 (s390_frame_area): Likewise.
958 (s390_frame_info): Likewise.
959 (s390_initial_elimination_offset): Likewise.
960 (save_gprs): Likewise.
961 (s390_emit_prologue): Likewise.
962 (s390_emit_epilogue): Likewise.
963 (s390_function_arg_advance): Likewise.
964 (s390_function_arg): Likewise.
965 (s390_va_start): Likewise.
966 (s390_gimplify_va_arg): Likewise.
967 (s390_function_profiler): Likewise.
968 (s390_optimize_prologue): Likewise.
969 (s390_rtx_costs): Likewise.
970 (s390_secondary_reload): Likewise.
971 (s390_promote_function_mode): Likewise.
972 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
973 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
975 (s390_unwind_word_mode): New function.
976 (s390_function_value): Split 64 bit values into register pair if
977 used as return value.
978 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
979 function call parameters. Handle parallels.
980 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
981 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
982 (DWARF_CIE_DATA_ALIGNMENT): New macro.
983 (s390_expand_setmem): Remove unused variable src_addr.
984 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
985 deal with 64 bit registers.
986 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
987 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
988 (UNITS_PER_LONG): New macro.
989 * libjava/include/s390-signal.h: Define extended ucontext
990 structure containing the upper halfs of the 64 bit registers.
992 2010-04-13 Simon Baldwin <simonb@google.com>
994 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
996 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
998 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
999 rvalue on the RHS if the LHS is of a non-renamable type.
1000 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1002 2010-04-13 Matthias Klose <doko@ubuntu.com>
1004 * gcc.c (cc1_options): Handle -iplugindir before processing
1005 the cc1 spec. Only add -iplugindir once.
1006 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1008 * common.opt (iplugindir): Remove `Separate' property, initialize.
1009 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1011 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1012 (distclean): Remove plugin dir.
1013 * doc/invoke.texi: Document -iplugindir.
1015 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1017 * doc/plugins.texi (Loading Plugins): Document short
1018 -fplugin=foo option.
1019 (Plugin API): Mention default_plugin_dir_name function.
1021 * gcc.c (find_file_spec_function): Add new declaration.
1022 (static_spec_func): Use it for "find-file".
1023 (find_file_spec_function): Add new function.
1024 (cc1_options): Add -iplugindir option if -fplugin* options found.
1026 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1028 * plugin.c (add_new_plugin): Updated comment, and handle short
1030 (default_plugin_dir_name): Added new function.
1032 * common.opt (iplugindir): New option to set the plugin directory.
1034 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1036 * config/i386/i386.md (any_rotate): New code iterator.
1037 (rotate_insn): New code attribute.
1039 (SWIM124): New mode iterator.
1040 (<rotate_insn>ti3): New expander.
1041 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1042 any_rotate code iterator.
1043 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1044 using any_rotate code iterator and SWIM124 mode iterator.
1045 (ix86_rotlti3): New insn_and_split pattern.
1046 (ix86_rotrti3): Ditto.
1047 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1048 ix86_rotl{di,ti}3 patterns.
1049 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1050 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1051 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1052 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1053 code iterator and SWI mode iterator.
1054 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1055 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1057 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1058 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1059 (bswap rotatert splitter): Add splitter.
1060 (bswap splitter): Macroize splitter using any_rotate code iterator.
1061 Add insn predicate to split only for TARGET_USE_XCHGB or when
1062 optimizing function for size.
1064 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1066 * config/pa/pa.c (emit_move_sequence): Remove use of
1067 deleted variable flag_argument_noalias.
1069 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1071 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1073 Add to unsupported targets list.
1074 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1075 sparc*-sun-solaris2.[567]* from target lists.
1076 * configure: Regenerate.
1077 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1079 Remove Solaris 7 patch references.
1080 (Specific, sparc-sun-solaris2.7): Removed.
1081 (sparc-sun-solaris2*): Update Solaris 7 example.
1082 (sparc64-*-solaris2*): Likewise.
1084 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1086 * config.build (alpha*-dec-osf4*): Remove.
1087 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1088 of obsolete configurations.
1089 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1091 * config/alpha/t-osf4: Renamed to ...
1092 * config/alpha/t-osf5: ... this.
1093 * config/alpha/osf.h: Renamed to ...
1094 * config/alpha/osf5.h: ... this.
1095 Merged old osf5.h contents.
1097 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1098 (EXTRA_SPECS): Removed.
1099 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1100 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1103 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1105 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1107 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1110 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1111 __thiscall convention.
1113 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1115 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1117 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1119 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1121 * function.c (assign_parms_initialize_all): Add unused attribute
1124 2010-04-12 Richard Guenther <rguenther@suse.de>
1126 * gsstruct.def (GSS_CALL): New.
1127 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1128 * gimple.h: Include tree-ssa-alias.h.
1129 (struct gimple_statement_call): New.
1130 (union gimple_statement_struct_d): Add gimple_call member.
1131 (gimple_call_reset_alias_info): Declare.
1132 (gimple_call_use_set): New function.
1133 (gimple_call_clobber_set): Likewise.
1134 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1135 * gimple.c (gimple_call_reset_alias_info): New function.
1136 (gimple_build_call_1): Call it.
1137 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1138 * tree-inline.c (remap_gimple_stmt): Likewise.
1139 (expand_call_inline): Remove callused handling.
1140 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1141 * tree-dfa.c (dump_variable): Likewise.
1142 * tree-parloops.c (parallelize_loops): Likewise.
1143 * tree-ssa.c (init_tree_ssa): Likewise.
1144 (delete_tree_ssa): Likewise.
1145 * tree-flow-inline.h (is_call_used): Remove.
1146 * tree-flow.h (struct gimple_df): Remove callused member.
1147 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1148 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1149 (ref_maybe_used_by_call_p_1): Simplify.
1150 (call_may_clobber_ref_p_1): Likewise.
1151 * tree-ssa-structalias.c (compute_points_to_sets): Set
1152 the call stmt used and clobbered sets.
1153 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1154 (find_tail_calls): Verify the tail call.
1156 2010-04-12 Richard Guenther <rguenther@suse.de>
1158 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1159 single-iteration always-inline inlining.
1160 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1161 (cgraph_decide_inlining): Do not handle always-inline specially.
1162 (try_inline): Remove always-inline cycle detection special case.
1163 Do not recurse on always-inlines.
1164 (cgraph_early_inlining): Do not iterate if not optimizing.
1165 (cgraph_gate_early_inlining): remove.
1166 (pass_early_inline): Run unconditionally.
1167 (gate_cgraph_decide_inlining): New function.
1168 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1169 not inlining or optimizing.
1170 (cgraph_decide_inlining_of_small_functions): Also consider
1171 always-inline functions.
1172 (cgraph_default_inline_p): Return true for nodes which should
1173 disregard inline limits.
1174 (estimate_function_body_sizes): Assume zero size and time for
1175 nodes which are marked as disregarding inline limits.
1176 (cgraph_decide_recursive_inlining): Do not perform recursive
1177 inlining on always-inline nodes.
1179 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1182 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1183 for exprs satisfying handled_component_p.
1185 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1187 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1188 non-constant aggregate elements.
1190 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1191 is a real initialization.
1193 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1196 * c-decl.c (start_function): Move forward check for nested function.
1198 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1200 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1201 * config/sh/sh.c: Include reload.h.
1202 (sh_legitimize_reload_address): New.
1203 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1204 sh_legitimize_reload_address.
1206 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1208 * config/sh/sh.md (*movqi_pop): New insn pattern.
1209 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1211 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1213 * config/i386/i386.md (any_shiftrt): New code iterator.
1214 (shiftrt_insn): New code attribute.
1216 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1217 using any_shiftrt code iterator.
1218 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1219 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1220 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1221 pattern from corresponding peephole2 patterns.
1222 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1223 using any_shiftrt code iterator.
1224 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1225 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1226 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1227 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1228 *{ashr,lshr}<mode>3_cmp_zext.
1229 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1231 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1233 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1235 (*lshr<mode>3_cconly): Ditto.
1237 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1239 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1240 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1241 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1242 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1244 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1245 from corresponding peephole2 patterns.
1246 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1247 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1248 and *lshrdi3_1_rex64 using SWI mode iterator.
1249 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1250 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1251 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1252 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1253 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1254 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1255 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1256 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1257 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1260 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1262 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1263 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1264 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1265 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1267 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1268 from corresponding peephole2 patterns.
1269 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1270 (ashrsi3_cvt): Rename from ashrsi3_31.
1271 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1272 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1273 and x86_64_shift_adj_3 using SWI48 mode iterator.
1274 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1275 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1276 and *ashrdi3_1_rex64 using SWI mode iterator.
1277 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1278 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1279 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1280 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1281 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1282 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1283 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1284 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1285 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1287 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1288 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1289 x86_shift<mode>_adj_3 expanders.
1291 2010-04-10 Wei Guozhi <carrot@google.com>
1294 * config/arm/arm.c (arm_pic_static_addr): New function.
1295 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1297 (arm_output_addr_const_extra): Output expression for new pattern.
1298 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1300 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1302 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1305 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1306 * web.c: Include "insn-config.h" and "recog.h".
1307 (union_match_dups): New function.
1308 (web_main): Call it.
1309 (union_defs): Don't try to recognize match_dups.
1311 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1312 if doing so would replace the entire pattern.
1314 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1318 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1319 and splitter pattern. Change splitter operand 1 predicate to
1322 2010-04-09 Martin Jambor <mjambor@suse.cz>
1324 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1325 lattices are addresses of CONST_DECLs with the same initial value.
1326 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1327 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1329 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1330 Bernd Schmidt <bernds@codesourcery.com>
1332 * loop-invariant.c (replace_uses): New static function.
1333 (move_invariant_reg): Use it to ensure we can replace the uses.
1335 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1337 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1339 (picochip_override_options): Enable section anchors only above -O1.
1340 (picochip_reorg): Fixed a couple of build warnings.
1342 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1344 * configure.ac (plugin -rdynamic test): Log result.
1345 * configure: Regenerate.
1346 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1347 (RDYNAMIC_SPEC): Define.
1348 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1350 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1352 * configure.ac: Determine Sun ld version numbers.
1353 (comdat_group): Restrict GNU ld version checks to gld.
1354 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1355 (enable_comdat): Support --enable-comdat.
1356 * configure: Regenerate.
1357 * doc/install.texi (Configuration): Document --enable-comdat.
1359 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1361 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1362 * config/sol2-gld.h: ... here.
1363 * config.gcc (sparc*-*-solaris2*): Reflect this.
1364 (i[34567]86-*-solaris2*): Use it.
1366 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1368 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1370 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1372 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1375 * diagnostic.c (diagnostic_initialize): Initialize
1376 some_warnings_are_errors.
1377 (diagnostic_finish): New.
1378 (diagnostic_action_after_output): Call it before exiting.
1379 (diagnostic_report_diagnostic): Do not print message here. Set
1380 some_warnings_are_errors.
1381 * diagnostic.h (diagnostic_context): Delete
1382 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1383 (diagnostic_finish): Declare.
1384 * toplev.c (toplev_main): Call it before exit.
1386 2010-04-09 Jason Merrill <jason@redhat.com>
1389 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1390 for incomplete type.
1393 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1394 based on a warning flag.
1396 2010-04-09 Richard Guenther <rguenther@suse.de>
1398 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1400 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1403 * varasm.c (default_assemble_visibility): Wrap vars that are
1404 set, but unused, by targets without GAS.
1405 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1406 Remove set, but unused, vars.
1407 (rs6000_legitimize_tls_address): Likewise.
1408 (altivec_expand_dst_builtin): Likewise.
1409 * config/darwin.c (machopic_classify_symbol): Likewise.
1410 (machopic_indirection_name): Likewise.
1412 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1414 * config/i386/i386.md (DWI): New mode iterator.
1415 (S): New mode attribute.
1416 (shift_operand): Ditto.
1417 (shift_immediate_operand): Ditto.
1418 (ashl_input_operand): Ditto.
1419 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1420 using SDWIM mode iterator.
1421 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1422 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1424 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1425 from corresponding peephole2 patterns.
1426 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1427 and x86_64_shift_adj_1 using SWI48 mode iterator.
1428 (x86_shift<mode>_adj_2): Ditto.
1429 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1430 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1431 using SWI48 mode iterator.
1432 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1433 *ashldi3_cmp_rex64 using SWI mode iterator.
1434 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1435 *ashldi3_cconly_rex64 using SWI mode iterator.
1436 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1437 x86_shift<mode>_adj_{1,2}.
1438 (ix86_split_ashr): Ditto.
1439 (ix86_split_lshr): Ditto.
1441 2010-04-09 Richard Guenther <rguenther@suse.de>
1443 * target.h (builtin_conversion): Pass in input and output types.
1444 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1445 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1446 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1447 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1449 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1451 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1453 2010-04-09 Richard Guenther <rguenther@suse.de>
1456 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1458 2010-04-09 Richard Guenther <rguenther@suse.de>
1460 * tree-vectorizer.h (struct _stmt_vec_info): Document
1461 that vectype is the type of the LHS.
1462 (supportable_widening_operation, supportable_narrowing_operation):
1463 Get both input and output vector types as arguments.
1464 (vect_is_simple_use_1): Declare.
1465 (get_same_sized_vectype): Likewise.
1466 * tree-vect-loop.c (vect_determine_vectorization_factor):
1467 Set STMT_VINFO_VECTYPE to the vector type of the def.
1468 (vectorizable_reduction): Adjust.
1469 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1470 Adjust. Specify the output vector type.
1471 (vect_pattern_recog_1): Adjust.
1472 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1473 (vectorizable_call): Adjust.
1474 (vectorizable_conversion): Likewise.
1475 (vectorizable_operation): Likewise.
1476 (vectorizable_type_demotion): Likewise.
1477 (vectorizable_type_promotion): Likewise.
1478 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1480 (vect_is_simple_use_1): New function.
1481 (supportable_widening_operation): Get both input and output
1483 (supportable_narrowing_operation): Likewise.
1484 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1486 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1488 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1489 __thiscall and _thiscall as predefined macros.
1490 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1491 thiscall attribute handling.
1492 (ix86_comp_type_attributes): Likewise.
1493 (ix86_function_regparm): Likewise.
1494 (ix86_return_pops_args): Likewise.
1495 (init_cumulative_args): Likewise.
1496 (find_drap_reg): Likewise.
1497 (ix86_static_chain): Likewise.
1498 (x86_this_parameter): Likewise.
1499 (x86_output_mi_thunk): Likewise.
1500 (ix86_attribute_table): Add description for thiscall attribute.
1501 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1502 * doc/extend.texi: Add documentation for thiscall.
1504 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1507 * c.opt (Wint-to-pointer-cast): Available in C++.
1508 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1510 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1512 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1513 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1514 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1515 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1516 function type instead. Reorder and simplify checks.
1518 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1520 2010-04-08 Jing Yu <jingyu@google.com>
1521 Zdenek Dvorak <ook@ucw.cz>
1523 PR tree-optimization/42720
1524 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1525 loop unswitch conditions here from ...
1526 (tree_unswitch_single_loop): ... here.
1528 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1530 * tree-if-conv.c: Fix comments and simplify logic.
1532 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1534 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1535 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1536 (main_tree_if_conversion): Update call to tree_if_conversion.
1538 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1541 * doc/invoke.texi (-b,-V): Delete.
1542 * doc/tm.texi: Do not mention -b.
1543 * gcc.c (display_help): Delete -b and -V.
1544 (process_command): Delete -b and -V.
1545 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1547 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1548 Wolfgang Gellerich <gellerich@de.ibm.com>
1550 Implement target hook for loop unrolling
1551 * target.h (loop_unroll_adjust): Add a new target hook function.
1552 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1553 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1554 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1555 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1556 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1558 (decide_unroll_stupid): Likewise.
1560 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1563 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1565 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1567 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1568 (Specific, *-*-solaris2*): Likewise.
1569 Don't prefer Sun as over GNU as.
1571 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1573 * config/s390/s390.c (override_options): Adjust the z10
1574 defaults for max-unroll-times, max-completely-peeled-insns
1575 and max-completely-peel-times.
1577 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1579 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1580 instructions for z10.
1581 (s390_expand_setmem): Likewise.
1582 (s390_expand_cmpmem): Likewise.
1584 2010-04-08 Richard Guenther <rguenther@suse.de>
1586 PR tree-optimization/43679
1587 * tree-ssa-pre.c (eliminate): Only propagate copies.
1589 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1592 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1593 set but not used variable warning.
1595 2010-04-08 Wei Guozhi <carrot@google.com>
1598 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1599 (arm_size_rtx_costs): Call the new function when optimized for size.
1601 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1604 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1605 op0 is not a MEM, just return NULL instead of assertion
1607 (discover_nonconstant_array_refs): Don't walk debug stmts.
1609 2010-04-08 Doug Kwan <dougkwan@google.com>
1611 * configure.ac: Recognize gold and do not use its version number
1612 to test ld features.
1613 * configure: Regenerate.
1615 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1618 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1619 (negate_value): Move code to push elements to broken_up_substracts ...
1620 (eliminate_plus_minus_pair): ... here. Push operands that have no
1621 negative pair to plus_negates.
1622 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1624 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1626 * doc/install.texi (Configuration): Move description of
1627 --enable-lto, --with-libelf*, --enable-gold from Java section to
1630 * doc/generic.texi (Working with declarations)
1631 (Function Properties, C and C++ Trees): Fix typos.
1632 * doc/sourcebuild.texi (Top Level): Likewise.
1634 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1637 * tree.h (DECL_READ_P): Define.
1638 (struct tree_decl_common): Add decl_read_flag.
1639 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1640 a set but not used warning.
1641 (merge_decls): Merge DECL_READ_P flag.
1642 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1643 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1644 * c-common.c (handle_used_attribute, handle_unused_attribute):
1646 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1648 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1650 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1651 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1652 c_parser_binary_expression, c_parser_cast_expression,
1653 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1654 Call default_function_array_read_conversion instead of
1655 default_function_array_conversion where needed.
1656 (c_parser_unary_expression, c_parser_conditional_expression,
1657 c_parser_postfix_expression_after_primary, c_parser_initelt):
1658 Likewise. Call mark_exp_read where needed.
1659 (c_parser_statement_after_labels, c_parser_asm_operands,
1660 c_parser_typeof_specifier, c_parser_sizeof_expression,
1661 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1663 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1665 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1666 (warn_unused_but_set_parameter): Default to warn_unused
1668 * doc/invoke.texi: Document -Wunused-but-set-variable and
1669 -Wunused-but-set-parameter.
1671 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1672 used count variable.
1673 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1674 when operandN variables aren't used in the body of the expander
1676 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1677 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1678 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1679 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1680 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1681 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1682 * tree.c (PROCESS_ARG): Likewise.
1684 2010-04-07 Simon Baldwin <simonb@google.com>
1686 * diagnostic.h (diagnostic_override_option_index): New macro to
1687 set a diagnostic's option_index.
1688 * c-tree.h (c_cpp_error): Add warning reason argument.
1689 * opts.c (_warning_as_error_callback): New.
1690 (register_warning_as_error_callback): Store callback for
1691 warnings enabled via enable_warning_as_error.
1692 (enable_warning_as_error): Call callback, minor code tidy.
1693 * opts.h (register_warning_as_error_callback): Declare.
1694 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1695 response to -Werror=.
1696 (c_common_init_options): Register warning_as_error_callback in opts.c.
1697 * common.opt: Add -Wno-cpp option.
1698 * c-common.c (struct reason_option_codes_t): Map cpp warning
1699 reason codes to gcc option indexes.
1700 * (c_option_controlling_cpp_error): New function, lookup the gcc
1701 option index for a cpp warning reason code.
1702 * (c_cpp_error): Add warning reason argument, call
1703 c_option_controlling_cpp_error for diagnostic_override_option_index.
1704 * doc/invoke.texi: Document -Wno-cpp.
1706 2010-04-07 Richard Guenther <rguenther@suse.de>
1708 * ipa-reference.c (mark_load): Use get_base_address.
1709 (mark_store): Likewise.
1711 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
1712 inserting GIMPLE_NOPs into the IL.
1713 * tree-ssa-structalias.c (get_constraint_for_component_ref):
1714 Explicitly strip handled components and indirect references.
1716 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
1717 folding address expressions.
1718 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
1719 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
1720 operand_equal_p to compare decls.
1721 (ptr_deref_may_alias_decl_p): Likewise.
1722 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
1723 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
1724 Handle reversed comparison ops.
1725 * tree-sra.c (asm_visit_addr): Use get_base_address.
1726 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
1727 * ipa-reference.c (mark_address): Use get_base_address.
1729 2010-04-07 Richard Guenther <rguenther@suse.de>
1731 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
1732 Propagate constants everywhere.
1734 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1737 * tree.c (MAX_INT_CACHED_PREC): Define.
1738 (nonstandard_integer_type_cache): New array.
1739 (build_nonstandard_integer_type): Cache results for precision
1740 <= MAX_INT_CACHED_PREC.
1742 2010-04-07 Richard Guenther <rguenther@suse.de>
1744 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
1745 -fargument-noalias-global, -fargument-noalias-anything): Remove.
1746 * common.opt: Likewise.
1747 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
1748 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
1749 (nonoverlapping_memrefs_p): Likewise.
1750 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1751 * opts.c (common_handle_option): Handle OPT_fargument_alias,
1752 OPT_fargument_noalias, OPT_fargument_noalias_anything and
1753 OPT_fargument_noalias_global for backward compatibility.
1755 2010-04-07 Richard Guenther <rguenther@suse.de>
1757 PR tree-optimization/43270
1758 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
1759 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
1760 * tree-ssa-pre.c (phi_translate_1): Adjust.
1761 (fully_constant_expression): Split out vn_reference handling to ...
1762 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
1763 Fold reads from constant strings.
1764 (vn_reference_lookup): Handle fully constant references.
1765 (vn_reference_lookup_pieces): Likewise.
1766 * Makefile.in (expmed.o-warn): Add -Wno-error.
1768 2010-04-07 Martin Jambor <mjambor@suse.cz>
1770 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
1772 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
1775 * gcc.c: Add -static-libstdc++ to list of recognized options.
1777 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1779 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
1781 2010-04-07 Richard Guenther <rguenther@suse.de>
1784 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
1785 bases build simple mem attributes to retain points-to information.
1787 2010-04-07 Richard Guenther <rguenther@suse.de>
1790 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
1791 preserve points-to related information.
1793 2010-04-07 Richard Guenther <rguenther@suse.de>
1796 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
1797 discard plain indirect references.
1798 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
1799 * tree.c (tree_nop_conversion): Likewise.
1801 2010-04-07 Dodji Seketeli <dodji@redhat.com>
1804 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
1806 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
1808 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
1809 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
1811 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1813 * tree-if-conv.c: Fix indentation and comments.
1815 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1817 * tree-if-conv.c: Sort static functions in topological order.
1819 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
1821 * tree-if-conv.c: Fix indentation and comments.
1823 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1826 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
1827 lang_hooks.types.type_for_size instead of
1828 build_nonstandard_integer_type.
1829 When converting an unsigned type to signed, double its precision.
1830 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
1831 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
1832 (graphite_create_new_loop_guard): When ub + 1 wraps around,
1835 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1838 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
1839 POINTER_PLUS_EXPR for pointer types.
1841 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1844 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
1845 * graphite-clast-to-gimple.c: Include langhooks.h.
1846 (max_signed_precision_type): New.
1847 (max_precision_type): Takes two types as arguments.
1848 (precision_for_value): New.
1849 (precision_for_interval): New.
1850 (gcc_type_for_interval): New.
1851 (gcc_type_for_value): New.
1852 (gcc_type_for_clast_term): New.
1853 (gcc_type_for_clast_red): New.
1854 (gcc_type_for_clast_bin): New.
1855 (gcc_type_for_clast_expr): Split up into several functions.
1856 (gcc_type_for_clast_eq): Rewritten.
1857 (compute_bounds_for_level): New.
1858 (compute_type_for_level_1): New.
1859 (compute_type_for_level): New.
1860 (gcc_type_for_cloog_iv): Removed.
1861 (gcc_type_for_iv_of_clast_loop): Rewritten.
1862 (graphite_create_new_loop): Compute the lower and upper bound types
1863 with gcc_type_for_clast_expr.
1864 (graphite_create_new_loop_guard): Same.
1865 (find_cloog_iv_in_expr): Removed.
1866 (compute_cloog_iv_types_1): Removed.
1867 (compute_cloog_iv_types): Removed.
1868 (gloog): Do not call compute_cloog_iv_types.
1869 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
1871 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
1872 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
1873 (GBB_CLOOG_IV_TYPES): Removed.
1875 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1877 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
1878 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
1879 (detect_commutative_reduction): Same.
1881 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1883 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
1884 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
1886 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
1887 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
1888 (rewrite_commutative_reductions_out_of_ssa): Same.
1889 * passes.c (execute_function_todo): Call verify_ssa for every pass
1890 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
1891 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
1892 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
1893 with an extra argument.
1894 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
1895 verify_ssa only when the extra argument is true.
1896 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
1897 with an extra argument.
1898 (tree_transform_and_unroll_loop): Same.
1900 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
1902 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
1903 for all the passes of the LNO having LOOP_CLOSED_SSA.
1904 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
1905 * tree-loop-distribution.c (pass_loop_distribution): Same.
1906 * tree-pass.h (TODO_verify_loops): Removed.
1907 * tree-ssa-loop.c (pass_tree_loop_init): Same.
1909 (pass_tree_unswitch): Same.
1910 (pass_predcom): Same.
1911 (pass_vectorize): Same.
1912 (pass_linear_transform): Same.
1913 (pass_graphite_transforms): Same.
1914 (pass_iv_canon): Same.
1915 (pass_complete_unroll): Same.
1916 (pass_complete_unrolli): Same.
1917 (pass_parallelize_loops): Same.
1918 (pass_loop_prefetch): Same.
1919 (pass_iv_optimize): Same.
1921 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
1924 * passes.c (init_optimization_passes): Move pass_lim before
1925 pass_copy_prop and pass_dce_loop.
1927 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1930 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
1931 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
1932 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
1933 MULTI_* defines for 4 argument vpermil2p* builtins.
1935 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1937 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
1938 * config/i386/i386.c (x86_maybe_negate_const_int): New.
1939 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
1940 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
1941 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
1942 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
1943 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
1944 Use x86_maybe_negate_const_int to output insn mnemonic.
1945 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
1946 check from instruction predicate. Update comments.
1947 * config/i386/sync.md (sync_add<mode>): Use
1948 x86_maybe_negate_const_int to output insn mnemonic.
1950 2010-04-06 Jan Hubicka <jh@suse.cz>
1952 PR tree-optimization/42906
1953 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
1954 IGNORE_SELF argument. Set visited_control_parents for fully
1956 (find_obviously_necessary_stmts): Update call of
1957 mark_control_dependent_edges_necessary.
1958 (propagate_necessity): Likewise. Handle PHI edges more curefully.
1960 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
1962 * config/i386/i386.md: Remove comment about 'e' and 'E'
1965 2010-04-06 Richard Guenther <rguenther@suse.de>
1967 PR tree-optimization/43627
1968 * tree-vrp.c (extract_range_from_unary_expr): Widenings
1969 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
1972 2010-04-06 Jakub Jelinek <jakub@redhat.com>
1974 * BASE-VER: Change to 4.6.0.
1977 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
1980 2010-04-06 Richard Guenther <rguenther@suse.de>
1983 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
1985 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1987 * doc/invoke.texi (Optimize Options): Document that LTO
1988 won't remove object access purely due to incompatible
1991 2010-04-04 Matthias Klose <doko@ubuntu.com>
1993 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
1994 Initialize variable.
1996 2010-04-03 Richard Guenther <rguenther@suse.de>
1999 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2000 require a non-NULL MEM_OFFSET.
2002 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2004 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2005 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2006 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2007 config/alpha/predicates.md, config/arm/arm.md,
2008 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2009 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2010 config/darwin9.h, config/darwin.c, config/darwin.h,
2011 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2012 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2013 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2014 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2015 config/mips/mips.md, config/mn10300/mn10300.c,
2016 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2017 config/rs6000/aix.h, config/rs6000/dfp.md,
2018 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2019 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2020 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2021 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2022 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2023 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2024 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2025 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2026 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2027 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2028 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2029 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2030 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2031 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2032 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2033 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2034 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2035 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2036 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2037 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2038 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2039 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2040 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2041 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2042 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2043 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2044 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2045 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2046 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2047 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2048 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2049 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2050 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2051 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2052 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2053 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2055 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2058 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2059 * aclocal.m4: Regenerate.
2061 2010-04-02 Richard Guenther <rguenther@suse.de>
2063 PR tree-optimization/43629
2064 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2065 if we have seen a constant value.
2067 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2069 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2071 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2074 * arm.c (legitimize_tls_address): Adjust call to
2075 gen_tls_load_dot_plus_four.
2076 (arm_note_pic_base): New function.
2077 (arm_cannot_copy_insn_p): Use it.
2078 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2081 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2086 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2088 * Makefile.in ($(out_object_file)): Depend on
2089 gt-$(basename $(notdir $(out_file))).h.
2091 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2093 * config.gcc (lm32-*-rtems*): Add t-lm32.
2095 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2097 * config.gcc: Add lm32-*-rtems*.
2098 * config/lm32/rtems.h: New file.
2100 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2103 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2105 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2107 * dwarf2out.c (output_compilation_unit_header): For
2108 -gdwarf-4 use version 4 instead of version 3.
2109 (output_line_info): For version 4 and above emit additional
2110 maximum ops per insn header field.
2111 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2113 * dwarf2out.c (is_c_family, is_java): Remove.
2114 (lower_bound_default): New function.
2115 (add_bound_info, gen_descr_array_type_die): Use it.
2117 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2120 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2121 re-declaration when it happens in a function.
2123 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2125 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2126 (cgraph_remove_function_insertion_hook): Same.
2127 (cgraph_call_function_insertion_hooks): Same.
2129 2010-04-01 Richard Guenther <rguenther@suse.de>
2132 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2133 and TREE_THIS_VOLATILE.
2134 (copy_ref_info): Likewise.
2135 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2136 * tree.c (build6_stat): Ignore side-effects of all but arg5
2137 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2140 2010-04-01 Richard Guenther <rguenther@suse.de>
2142 PR tree-optimization/43607
2143 * ipa-type-escape.c (check_call): Do not access non-existing
2146 2010-04-01 Richard Guenther <rguenther@suse.de>
2150 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2151 Jack Howarth <howarth@bromo.med.uc.edu>
2153 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2156 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2158 * doc/install.texi (Prerequisites): Document libelf usability on
2159 IRIX 5/6 and Solaris 2.
2160 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2161 Update GNU as, GNU ld requirements.
2162 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2163 Document Sun Studio compiler download.
2164 Update and simplify as, ld recommendations.
2165 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2167 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2169 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2170 with_tune_32 to pentium4.
2172 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2174 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2176 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2178 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2179 obsoletion, removal.
2181 Document GNU as requirement.
2182 Update configure requirements.
2183 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2184 Recomment IRIX 6.5.18+.
2185 Document IDF/IDL requirement.
2186 Document GNU as requirement.
2187 Document GNU ld bootstrap failure.
2188 Remove freeware.sgi.com reference.
2190 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2192 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2193 UNIX V4.0, V5.0 obsoletion, removal.
2194 Remove --with-gc=simple reference.
2195 Update VM requirements during bootstrap.
2196 Remove -oldas bootstrap description.
2197 Update binutils reference.
2198 Remove comparison failure note.
2200 2010-03-31 Richard Guenther <rguenther@suse.de>
2201 Zdenek Dvorak <ook@ucw.cz>
2202 Sebastian Pop <sebastian.pop@amd.com>
2205 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2206 with multiple arguments.
2207 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2209 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2211 * graphite-dependences.c (print_pddr): Call print_pdr with an
2213 * graphite-poly.c (debug_pdr): Add an extra argument for the
2216 (print_pbb_domain): Same.
2218 (print_scop_context): Same.
2220 (print_cloog): Same.
2221 (debug_pbb_domain): Same.
2225 (debug_scop_context): Same.
2227 (debug_cloog): Same.
2228 (print_scop_params): Same.
2229 (debug_scop_params): Same.
2230 (print_iteration_domain): Same.
2231 (print_iteration_domains): Same.
2232 (debug_iteration_domain): Same.
2233 (debug_iteration_domains): Same.
2234 (print_scattering_function): Same.
2235 (print_scattering_functions): Same.
2236 (debug_scattering_function): Same.
2237 (debug_scattering_functions): Same.
2238 * graphite-poly.h (debug_pdr): Update declaration.
2240 (print_pbb_domain): Same.
2242 (print_scop_context): Same.
2244 (print_cloog): Same.
2245 (debug_pbb_domain): Same.
2249 (debug_scop_context): Same.
2251 (debug_cloog): Same.
2252 (print_scop_params): Same.
2253 (debug_scop_params): Same.
2254 (print_iteration_domain): Same.
2255 (print_iteration_domains): Same.
2256 (debug_iteration_domain): Same.
2257 (debug_iteration_domains): Same.
2258 (print_scattering_function): Same.
2259 (print_scattering_functions): Same.
2260 (debug_scattering_function): Same.
2261 (debug_scattering_functions): Same.
2263 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2265 * graphite-poly.c (print_scattering_function_1): New.
2266 (print_scattering_function): Call it.
2267 (print_scop_params): Remove spaces at the end of lines.
2270 * graphite-poly.h (print_cloog): Declared.
2271 (debug_cloog): Declared.
2273 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2275 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2277 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2278 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2279 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2280 to switch between adding the IV bump in loop->latch or in loop->header.
2282 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2284 * graphite-poly.c (print_scattering_function): Pretty print following
2287 (print_pbb_domain): Same.
2288 (dump_gbb_cases): Same.
2289 (dump_gbb_conditions): Same.
2292 (print_scop_params): Same.
2293 (print_scop_context): Same.
2295 (print_pbb_body): New.
2296 (lst_indent_to): New.
2297 (print_lst): Start new lines with a #.
2298 * graphite-poly.h (pbb_bb): New.
2299 (pbb_index): Use pbb_bb.
2300 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2302 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2304 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2306 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2307 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2308 and 0 instead of 1 for dw_val_class_flag.
2309 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2310 dw_val_class_range_list, dw_val_class_loc_list,
2311 dw_val_class_lineptr and dw_val_class_macptr, use
2312 DW_FORM_flag_present for dw_val_class_flag and
2313 DW_FORM_exprloc for dw_val_class_loc.
2314 (output_die): For -gdwarf-4 print dw_val_class_loc
2315 size as uleb128 instead of 1 or 2 bytes and don't print
2316 anything for dw_val_class_flag.
2318 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2319 instead of cselib_lookup following by tweaking locs->setting_insn.
2322 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2323 even before returning from label, setjmp call or volatile asm
2326 2010-03-31 Richard Guenther <rguenther@suse.de>
2329 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2330 temporary data on stack.
2332 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2334 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2335 (PUSHSECTION_ASM_OP): Remove.
2336 (POPSECTION_ASM_OP): Remove.
2337 (PUSHSECTION_FORMAT): Remove.
2338 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2339 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2340 * config/sol2.c (solaris_output_init_fini): Use it.
2342 2010-03-31 Jie Zhang <jie@codesourcery.com>
2345 * opt-functions.awk (var_type_struct): Use signed char type
2346 for simple variables.
2348 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2350 * config/sol2.c: Include output.h.
2351 (solaris_assemble_visibility): New function.
2352 * config/t-sol2 (sol2.o): Add output.h dependency.
2353 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2354 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2357 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2360 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2361 V2SImode or XFmode on PRE_DEC.
2364 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2367 2010-03-31 Jie Zhang <jie@codesourcery.com>
2370 * reload.h (caller_save_initialized_p): Declare.
2371 * toplev.c (backend_init_target): Don't call
2372 init_caller_save but set caller_save_initialized_p to false.
2373 * caller-save.c (caller_save_initialized_p): Define.
2374 (init_caller_save): Check caller_save_initialized_p.
2375 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2377 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2380 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2381 and soft-fp/t-softfp to tmake_file.
2382 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2383 (LIBGCC2_TF_CEXT): Define.
2386 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2389 * cselib.c (n_useless_values): Document handling of debug locs.
2390 (n_useless_debug_values, n_debug_values): New variables.
2391 (new_elt_loc_list): Don't add to debug values, keep count.
2392 (promote_debug_loc): New.
2393 (cselib_reset_table): Zero new variables.
2394 (entry_and_rtx_equal_p): Promote debug locs.
2395 (discard_useless_locs): Increment n_useless_debug_values for
2397 (remove_useless_values): Adjust n_useless_values and n_debug_values
2398 with n_useless_debug_values.
2399 (add_mem_for_addr): Promote debug locs.
2400 (cselib_lookup_mem): Likewise.
2401 (cselib_lookup_addr): Renamed to...
2402 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2403 (cselib_log_lookup): ... this. Turn into...
2404 (cselib_lookup_addr): ... new wrapper.
2405 (cselib_lookup_from_insn): New.
2406 (cselib_invalidate_regno): Increment n_useless_debug_values for
2408 (cselib_invalidate_mem): Likewise.
2409 (cselib_process_insn): Take n_deleted and n_debug_values into
2410 account to guard remove_useless_value call.
2411 (cselib_finish): Zero n_useless_debug_values.
2412 * cselib.h (cselib_lookup_from_insn): Declare.
2413 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2414 (sched_analyze_2): Likewise.
2416 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2418 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2420 (adjust_mems): Replace narrowing SUBREG of expression containing
2421 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2422 with operations in the narrower mode.
2425 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2426 regs_invalidated_by_call instead all call_used_reg_set registers.
2428 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2431 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2432 pointer comparisons with types_compatible_p.
2433 * tree-vect-stmts.c (vectorizable_call): Same.
2434 (vectorizable_condition): Same.
2436 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2438 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2439 stack check if the mask would be zero.
2441 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2442 Jack Howarth <howarth@bromo.med.uc.edu>
2444 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2447 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2450 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2452 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2453 Include ___unordxf2 and ___unordtf2.
2454 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2457 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2459 * config/lm32/t-lm32: New file.
2460 * config.gcc: Use the above file when targetting lm32.
2462 2010-03-28 Duncan Sands <baldrick@free.fr>
2464 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2466 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2469 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2470 Improve vectorization cost model diagnostic.
2472 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2475 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2476 compute_data_dependences_for_loop returns false, early exit
2477 and output an extra diagnostic for the failed data reference
2480 2010-03-29 Richard Guenther <rguenther@suse.de>
2482 PR tree-optimization/43560
2483 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2484 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2486 2010-03-29 Jie Zhang <jie@codesourcery.com>
2489 * toplev.c (process_options): Set optimization_default_node
2490 and optimization_current_node.
2491 * opts.c (decode_options): Don't set optimization_default_node
2492 and optimization_current_node.
2494 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2496 * config/rtems.h: Abandon -qrtems_debug.
2498 2010-03-28 Jan Hubicka <jh@suse.cz>
2500 PR tree-optimization/43505
2501 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2502 map should not be copied.
2504 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2507 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2508 cdtors, set DECL_PRESERVE_P.
2509 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2512 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2514 PR tree-optimization/43528
2515 * stor-layout.c (place_field): Check that constant fits into
2516 unsigned HWI when skipping calculation of MS bitfield layout.
2518 2010-03-27 Jan Hubicka <jh@suse.cz>
2521 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2522 notice_global_symbol work.
2524 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2526 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2527 instead of dwarf2out_decl.
2528 (struct var_loc_node): Remove section_label field.
2529 (dwarf2out_function_decl): New function.
2530 (dwarf2out_var_location): Don't set section_label field.
2531 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2533 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2535 PR tree-optimization/43544
2536 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2537 First argument for builtin vectorized function hook is now a
2538 tree to be able to distinguish between machine specific and
2540 * targhooks.c (default_builtin_vectorized_function): Ditto.
2541 * targhooks.h (default_builtin_vectorized_function): Ditto.
2542 * target.h (struct gcc_target): Ditto.
2543 * tree-vect-stmts.c (vectorizable_function): Ditto.
2544 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2545 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2548 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2551 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2552 nested binding iff it is a FUNCTION_DECL.
2553 (store_parm_decls_newstyle): Pass nested=true to bind for
2554 FUNCTION_DECLs amongst parameters.
2556 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2558 * var-tracking.c (vt_expand_loc_callback): Don't run
2559 cselib_expand_value_rtx_cb in dummy mode if
2560 cselib_dummy_expand_value_rtx_cb returned false.
2562 * var-tracking.c (emit_note_insn_var_location): For one part
2563 notes with offset 0, don't add EXPR_LIST around the location.
2564 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2565 add_location_or_const_value_attribute): Adjust for that change.
2568 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2569 into first operand and location into second.
2570 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2571 dw_cfi_oprnd_loc for DW_CFA_expression.
2572 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2573 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2574 assume first argument is regnum and second argument is location.
2576 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2579 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2580 of scratch register to DImode. Split to DImode comparison operator.
2581 Use SImode subreg of scratch register in the multiplication.
2582 (*cmp_sadd_sidi): Ditto.
2583 (*cmp_ssub_si): Ditto.
2584 (*cmp_ssub_sidi): Ditto.
2586 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2589 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2590 Remove invalid assert and wrong comment.
2592 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2595 * flags.h (final_insns_dump_p): New extern.
2596 * final.c (final_insns_dump_p): New variable.
2597 (rest_of_clean_state): Set it before -fdump-final-insns=
2598 dumping, clear afterwards.
2599 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2600 MEM_ALIAS_SET on MEMs.
2602 2010-03-26 David S. Miller <davem@davemloft.net>
2604 * configure.ac: Fix sparc GOTDATA_OP bug check.
2605 * configure: Rebuild.
2607 2010-03-26 Alan Modra <amodra@gmail.com>
2609 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2611 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2613 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2614 TLS_SECTION_ASM_FLAG.
2616 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2619 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2620 Clear first_function_block_is_cold.
2623 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2624 argument if the argument is truth_value_p.
2626 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2628 * config/rs6000/constraints.md: Update copyright year for my changes.
2631 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2632 used in reg+reg addressing, swap registers.
2634 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2637 * target.h (struct gcc_target): Add code_end hook.
2638 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2640 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2641 * toplev.c (compile_file): Call targetm.asm_out.code_end
2642 hook before unwind info/debug info output.
2643 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2644 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2645 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2646 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2647 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2648 * config/i386/i386.c (ix86_file_end): Renamed to...
2649 (ix86_code_end): ... this. Make static. Don't call
2650 file_end_indicate_exec_stack. Emit unwind info using
2651 final_start_function/final_end_function.
2652 (darwin_x86_file_end): Remove.
2653 (TARGET_ASM_CODE_END): Define.
2654 * config/i386/i386.h (TARGET_ASM_FILE_END,
2655 NEED_INDICATE_EXEC_STACK): Don't define.
2656 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2657 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2658 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2659 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2662 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2663 at the beginning and final_end_function at the end.
2664 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2666 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2668 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2669 and Sun as TLS syntax.
2670 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2671 * configure: Regenerate.
2672 * config.in: Regenerate.
2673 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2674 (default_elf_asm_named_section): Use it.
2675 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2676 (i386_output_dwarf_dtprel): Likewise.
2677 (output_addr_const_extra): Likewise.
2678 (output_pic_addr_const): Lowercase @GOTTPOFF.
2679 (output_addr_const_extra): Likewise.
2680 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2681 (output_addr_const_extra): Likewise.
2682 (output_pic_addr_const): Lowercase @INDNTPOFF.
2683 (output_addr_const_extra): Likewise.
2684 (output_pic_addr_const): Lowercase @NTPOFF.
2685 (output_addr_const_extra): Likewise.
2686 (output_pic_addr_const): Lowercase @TPOFF.
2687 (output_addr_const_extra): Likewise.
2688 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2689 (*tls_global_dynamic_64): Likewise.
2690 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2691 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2693 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2694 (ASM_OUTPUT_TLS_COMMON): Use it.
2695 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2698 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2699 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2700 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2701 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2702 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2703 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
2705 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2707 * config/i386/i386.c (override_options): Don't accept
2708 -mtls-dialect=sun any longer.
2709 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
2710 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
2711 (*tls_local_dynamic_base_32_sun): Likewise.
2712 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2714 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2717 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
2718 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
2721 * ira.c (adjust_cleared_regs): New function.
2722 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
2726 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
2728 * expr.c (expand_expr_real): Restore previous
2729 curr_insn_source_location and curr_insn_block after
2730 expand_expr_real_1 call.
2731 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
2732 instead of expand_expr_real_1.
2734 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
2736 PR rtl-optimization/43413
2737 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
2740 2010-03-22 James E. Wilson <wilson@codesourcery.com>
2743 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
2744 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
2746 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
2748 * config/i386/i386.c (ix86_target_string): Add -mfma.
2749 Fix a typo in comment.
2751 2010-03-22 Mike Stump <mikestump@comcast.net>
2754 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
2755 Don't overly align based upon packed packed fields.
2757 2010-03-22 Jason Merrill <jason@redhat.com>
2759 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
2760 Use () rather than [], and move before the element type.
2762 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2764 * doc/configfiles.texi (Configuration Files): Removed
2765 fixinc/Makefile*, intl/Makefile.*.
2766 * doc/makefile.texi: Fixed markup. Abstract from version
2767 control system used.
2768 (Makefile): Removed obsolete gcc/java/parse.y example.
2769 * doc/sourcebuild.texi: Likewise.
2770 (Top Level): Added config, gnattools, libdecnumber, libgcc,
2771 libgomp, libssp. Removed fastjar.
2772 (Miscellaneous Docs): Clarify location.
2773 Added COPYING3, COPYING3.LIB.
2774 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
2776 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2779 * config/i386/i386.c (x86_function_profiler)
2780 [!NO_PROFILE_COUNTERS]: Fix typo.
2781 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
2784 2010-03-22 Janis Johnson <janis187@us.ibm.com>
2785 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2787 * doc/sourcebuild.texi (Test Directives): Split into six
2788 subsections, with most of the current text in new subsections
2789 Directives, Selectors, and Final Actions.
2790 (Directives): Split list of test directives into multiple
2792 (Selectors): Describe use and syntax of selectors.
2793 (Effective-Target Keywords): Describe all existing keywords.
2794 (Add Options): Describe features for dg-add-options.
2795 (Require Support): Describe variants of dg-require-support.
2796 (Final Actions): Describe commands to use in dg-final.
2798 2010-03-22 Michael Matz <matz@suse.de>
2801 * recog.c (validate_replace_rtx_group): Replace also in
2802 REG_EQUAL and REG_EQUIV notes.
2804 2010-03-22 Richard Guenther <rguenther@suse.de>
2806 PR tree-optimization/43390
2807 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
2808 sure vector extracts are type correct.
2810 2010-03-22 Richard Guenther <rguenther@suse.de>
2813 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
2814 x * sqrt (x) even when optimizing for size if the target
2815 has native support for sqrt.
2817 2010-03-22 Jakub Jelinek <jakub@redhat.com>
2819 * varasm.c (make_decl_rtl_for_debug): Also clear
2820 flag_mudflap for the duration of make_decl_rtl call.
2823 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
2824 locs from preserved VALUEs.
2826 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2829 * pa.md (movmemsi): Set align to one if zero.
2830 (movmemdi): Likewise.
2832 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
2835 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
2836 with their corresponding prologue pushes.
2838 2010-03-20 Andrew Pinski <pinskia@gmail.com>
2841 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
2842 at the begining or end.
2843 (spu_expand_epilogue): Likewise.
2845 2010-03-20 Richard Guenther <rguenther@suse.de>
2847 PR rtl-optimization/43438
2848 * combine.c (make_extraction): Properly zero-/sign-extend an
2849 extraction of the low part of a CONST_INT. Also handle
2852 2010-03-19 Mike Stump <mikestump@comcast.net>
2854 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
2855 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
2856 (override_options): Use SUBTARGET32_DEFAULT_CPU.
2858 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
2861 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
2864 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
2866 PR rtl-optimization/42258
2867 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
2868 use that may match DEF.
2871 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
2872 the cost of loading the constant rather than assuming
2874 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
2875 outer code is AND, do the same tests as the andsi3 expander and
2876 return COSTS_N_INSNS (1) if and is cheap.
2878 * optabs.c (avoid_expensive_constant): Fix formatting.
2880 2010-03-19 Michael Matz <matz@suse.de>
2883 * attribs.c (decl_attributes): When rebuilding a function pointer
2884 type use the same qualifiers as the original pointer type.
2886 2010-03-19 Martin Jambor <mjambor@suse.cz>
2888 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
2889 and is_gimple_ip_invariant_address.
2891 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2894 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2896 * config/arm/arm.c (arm_override_options): Turn off
2897 flag_dwarf2_cfi_asm for AAPCS variants.
2899 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
2902 * config/arm/arm.c (emit_multi_reg_push): Update comments.
2903 Use PRE_MODIFY instead of PRE_DEC.
2904 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
2905 (vfp_emit_fstmd): Likewise.
2907 2010-03-19 Michael Matz <matz@suse.de>
2910 * builtins.c (expand_builtin_interclass_mathfn,
2911 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
2914 2010-03-19 Richard Guenther <rguenther@suse.de>
2916 PR tree-optimization/43415
2917 * tree-ssa-pre.c (phi_translate): Split out worker to ...
2918 (phi_translate_1): ... this.
2919 (phi_translate): Move all caching here. Cache all NARY
2920 and REFERENCE translations.
2922 2010-03-19 David S. Miller <davem@davemloft.net>
2924 With help from Eric Botcazou.
2925 * config/sparc/sparc.c: Include dwarf2out.h.
2926 (emit_pic_helper): Delete.
2927 (pic_helper_symbol_name): Delete.
2928 (pic_helper_emitted_p): Delete.
2929 (pic_helper_needed): New.
2930 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
2931 (get_pc_thunk_name): New.
2932 (load_pic_register): Remove 'delay_pic_helper' arg. Use
2933 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
2934 Set pic_helper_needed to true. Don't call emit_pic_helper.
2935 (sparc_expand_prologue): Update load_pic_register call.
2936 (sparc_output_mi_thunk): Likewise.
2937 (sparc_file_end): Emit a hidden comdat symbol for the PIC
2938 thunk if possible. Output CFI information as needed.
2940 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2941 Jack Howarth <howarth@bromo.med.uc.edu>
2944 * config/i386/i386.h: Fix ABI on darwin x86-32.
2946 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
2948 * tree.h: Declare make_decl_rtl_for_debug.
2949 * varasm.c (make_decl_rtl_for_debug): New.
2950 * dwarf2out.c (rtl_for_decl_location): Call it.
2951 * cfgexpand.c (expand_debug_expr): Call it.
2953 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2956 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
2960 * var-tracking.c (vt_init_cfa_base): Do nothing if
2961 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
2963 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
2966 * var-tracking.c (canonicalize_vars_star): New.
2967 (dataflow_post_merge_adjust): Use it.
2969 2010-03-18 Jakub Jelinek <jakub@redhat.com>
2972 * var-tracking.c (non_suitable_const): New function.
2973 (add_uses): For DEBUG_INSNs with constants, don't record any
2974 value, instead just the constant value itself.
2975 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
2976 is not VAR_LOC_UNKNOWN_P, set var to the constant.
2977 (emit_notes_in_bb): Likewise.
2978 (emit_note_insn_var_location): For onepart variables if
2979 cur_loc is a VOIDmode constant, use DECL_MODE.
2981 2010-03-18 Martin Jambor <mjambor@suse.cz>
2984 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
2985 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
2986 all non-clones. Moved call redirection...
2987 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
2988 (cgraph_materialize_all_clones): Dispose of all
2989 combined_args_to_skip bitmaps.
2990 (verify_cgraph_node): Do not check for edges pointing to wrong
2991 nodes in inline clones.
2992 * tree-inline.c (copy_bb): Call
2993 cgraph_redirect_edge_call_stmt_to_callee.
2994 * ipa.c (cgraph_remove_unreachable_nodes): Call
2995 cgraph_node_remove_callees even when there are used clones.
2997 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
2999 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3001 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3004 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3007 2010-03-18 Michael Matz <matz@suse.de>
3010 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3011 into sqrt(x) if we need to preserve signed zeros.
3013 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3014 Eric Botcazou <ebotcazou@adacore.com>
3016 PR rtl-optimization/43360
3017 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3018 note if we don't know its invariant status.
3020 2010-03-18 Michael Matz <matz@suse.de>
3022 PR tree-optimization/43402
3023 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3024 PHI chains of ssa names registered for update.
3026 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3029 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3030 non-offsettable and pre_modify update addressing.
3031 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3032 and "2" alternatives "#".
3033 (*movdd_softfloat32): Make all alternatives "#";
3034 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3035 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3036 (*movdf_softfloat32): Make all alternatives "#";
3037 (movdi): Use the new DIFD mode iterator to create a common splitter
3038 for movdi, movdf and movdd patterns.
3040 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3042 * common.opt (dumpdir): Remove redundant tab.
3044 2010-03-17 Martin Jambor <mjambor@suse.cz>
3046 PR tree-optimization/43347
3047 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3048 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3050 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3052 PR rtl-optimization/42216
3053 * regrename.c (create_new_chain): New function, broken out from...
3054 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3055 appending a use to an empty chain.
3056 (build_def_use): Remove previous changes that convert OP_INOUT to
3057 OP_OUT operands; instead detect the case where an OP_INOUT operand
3058 uses a previously untracked register and create an empty chain for it.
3060 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3062 * doc/extend.texi (Function Attributes): Rewrite unfinished
3063 sentence in ms_abi documentation.
3065 2010-03-17 Alan Modra <amodra@gmail.com>
3067 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3068 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3069 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3070 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3072 2010-03-16 Richard Henderson <rth@redhat.com>
3075 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3076 (lower_try_finally): Save and restore eh_seq around the expansion
3079 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3081 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3082 statements before splitting block.
3084 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3086 * doc/sourcebuild.texi (Testsuites): Fix markup.
3087 Use pathnames relative to gcc/testsuite.
3088 (Test Directives): Move description of how timeout is determined.
3089 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3090 (C Tests): Correct gcc.misc-tests directory.
3091 Framework tests now live in gcc.test-framework.
3093 2010-03-16 Richard Guenther <rguenther@suse.de>
3096 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3097 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3099 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3100 Alexandre Oliva <aoliva@redhat.com>
3102 PR tree-optimization/42917
3103 * lambda-code.c (remove_iv): Skip debug statements.
3104 (lambda_loopnest_to_gcc_loopnest): Likewise.
3105 (not_interesting_stmt): Debug statements are not interesting.
3107 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3111 * cselib.c (cselib_preserve_constants,
3112 cfa_base_preserved_val): New static variables.
3113 (preserve_only_constants): New function.
3114 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3115 clear its REG_VALUES. If cselib_preserve_constants, don't
3116 empty the whole hash table, but preserve there VALUEs with constants,
3117 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3118 (cselib_preserve_cfa_base_value): New function.
3119 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3120 (cselib_init): Change argument to int bitfield. Set
3121 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3123 (cselib_finish): Clear cselib_preserve_constants and
3124 cfa_base_preserved_val.
3125 * cselib.h (enum cselib_record_what): New enum.
3126 (cselib_init): Change argument to int.
3127 (cselib_preserve_cfa_base_value): New prototype.
3128 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3129 * dse.c (dse_step1): Likewise.
3130 * cfgcleanup.c (thread_jump): Likewise.
3131 * sched-deps.c (sched_analyze): Likewise.
3132 * gcse.c (local_cprop_pass): Likewise.
3133 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3134 If FN is non-NULL, call the callback always and whenever it returns
3135 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3136 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3137 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3138 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3139 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3140 * var-tracking.c: Include recog.h.
3141 (bb_stack_adjust_offset): Remove.
3142 (vt_stack_adjustments): Don't call it, instead just gather the
3143 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3144 (adjust_stack_reference): Remove.
3145 (compute_cfa_pointer): New function.
3146 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3147 (struct adjust_mem_data): New type.
3148 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3150 (get_address_mode): New function.
3151 (replace_expr_with_values): Use it.
3152 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3153 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3154 (adjust_sets): Remove.
3155 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3156 Use get_address_mode.
3157 (get_adjusted_src): Remove.
3158 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3159 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3160 (add_with_sets): Don't call adjust_sets.
3161 (fp_setter, vt_init_cfa_base): New functions.
3162 (vt_initialize): Change return type to bool. Move most of pool etc.
3163 initialization to the beginning of the function from end. Pass
3164 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3165 If !frame_pointer_needed, call vt_stack_adjustment before mos
3166 vector is filled, call vt_init_cfa_base if argp/framep has been
3167 eliminated to sp. If frame_pointer_needed and argp/framep has
3168 been eliminated to hard frame pointer, set
3169 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3170 encountering fp setter in the prologue. For MO_ADJUST, call
3171 log_op_type before pusing the op into mos vector, not afterwards.
3172 Call adjust_insn before cselib_process_insn/add_with_sets,
3173 call cancel_changes (0) afterwards.
3174 (variable_tracking_main_1): Adjust for vt_initialize calling
3175 vt_stack_adjustments and returning whether it succeeded or not.
3177 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3179 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3182 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3184 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3186 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3187 drap_reg has not been set.
3189 2010-03-15 Michael Matz <matz@suse.de>
3192 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3193 use it to expand block copies.
3194 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3195 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3196 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3198 2010-03-15 Richard Guenther <rguenther@suse.de>
3200 PR tree-optimization/43367
3201 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3204 2010-03-15 Richard Guenther <rguenther@suse.de>
3206 PR tree-optimization/43317
3207 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3209 2010-03-15 Martin Jambor <mjambor@suse.cz>
3211 PR tree-optimization/43141
3212 * tree-sra.c (create_abstract_origin): New function.
3213 (modify_function): Call create_abstract_origin.
3215 2010-03-15 Chris Demetriou <cgd@google.com>
3217 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3220 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3223 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3224 call insert_out_of_ssa_copy for default definitions.
3226 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3228 * graphite-clast-to-gimple.c (my_long_long): Defined.
3229 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3230 * graphite-sese-to-poly.c (my_long_long): Defined.
3231 (scop_ivs_can_be_represented): Use it.
3233 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3235 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3236 graphite-max-bbs-per-function, and loop-block-tile-size.
3237 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3239 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3241 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3243 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3244 forward declaration.
3245 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3246 (add_upper_bounds_from_estimated_nit): New.
3247 (build_loop_iteration_domains): Use it.
3249 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3251 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3253 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3256 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3257 should be an INTEGER_CST. Also handle CASE_CONVERT.
3259 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3261 * graphite.c (graphite_initialize): To bound the number of bbs per
3262 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3263 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3264 * doc/invoke.texi: Document it.
3266 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3268 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3269 * graphite-sese-to-poly.h (build_poly_scop): Same.
3271 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3273 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3274 the number of parameters in the scop. Use as an upper bound
3275 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3276 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3277 * doc/invoke.texi: Document it.
3279 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3281 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3282 * doc/c-tree.texi: Remove.
3283 * doc/generic.texi: Merge c-tree.texi here.
3284 * doc/gccint.texi (Trees): Remove menu entry.
3285 (c-tree.texi): Remove @include.
3286 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3287 * doc/languages.texi (Reading RTL): Ditto.
3289 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3292 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3294 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3297 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3298 code added to work around reload clobbering CONST insns.
3300 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3302 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3303 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3304 (cselib_preserve_only_values): Remove retain argument, don't
3305 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3306 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3307 * var-tracking.c (micro_operation): Move insn field before union.
3308 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3309 (struct variable_tracking_info_def): Remove n_mos field, change
3310 mos into a vector of micro_operations.
3311 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3312 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3313 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3314 changing into a vector.
3315 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3316 come before all other uops generated by add_stores.
3317 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3319 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3320 a vector. Run just one pass over the bbs instead of separate counting
3321 and computation phase.
3322 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3325 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3326 into *nonlocalized_list vector.
3327 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3328 even if origin is non-NULL.
3329 (gen_variable_die): Likewise.
3330 (process_scope_var): Don't change origin.
3331 (gen_decl_die): Likewise.
3332 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3333 before adding new edges instead of after it, fix moving over
3336 2010-03-11 David S. Miller <davem@davemloft.net>
3338 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3340 * configure: Rebuild.
3342 2010-03-11 Martin Jambor <mjambor@suse.cz>
3344 PR tree-optimization/43257
3345 * tree.c (assign_assembler_name_if_neeeded): New function.
3346 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3348 * tree.h (assign_assembler_name_if_neeeded): Declare.
3349 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3350 the function if needed.
3352 2010-03-11 Chris Demetriou <cgd@google.com>
3354 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3355 include/stdint-gcc.h, and include/stdint.h world-readable.
3357 2010-03-11 Richard Guenther <rguenther@suse.de>
3359 PR tree-optimization/43255
3360 * tree-vrp.c (process_assert_insertions_for): Do not insert
3361 asserts for trivial conditions.
3363 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3365 PR tree-optimization/43280
3366 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3367 generation. Move calculation of size out of the if branch.
3368 (find_bswap): Modify compare number generation.
3370 2010-03-11 Richard Guenther <rguenther@suse.de>
3373 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3374 (input_gimple_stmt): Fixup handled component types during
3375 operand read. Also fix up decls in ADDR_EXPRs.
3377 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3379 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3380 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3382 2010-03-10 Jan Hubicka <jh@suse.cz>
3385 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3386 * varasm.c (get_variable_section): Don't do that here...
3387 (make_decl_rtl): ... and here.
3388 (do_assemble_alias): Produce decl RTL.
3389 (assemble_alias): Likewise.
3391 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3394 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3395 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3397 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3398 (based_loc_descr): Only express drap or vdrap regno based expressions
3399 using DW_OP_fbreg when not optimizing.
3400 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3401 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3402 REG_CFA_SET_VDRAP note.
3404 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3406 PR tree-optimization/43236
3407 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3408 error in calculation of base address in reverse iteration case.
3409 (generate_builtin): Take number of latch executions if the statement
3412 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3415 * tree-eh.c: Include pointer-set.h.
3416 (lower_eh_dispatch): Filter out duplicate case labels and
3417 remove the unneeded edge when the label is unused. Return
3418 true when some edges are removed.
3419 (execute_lower_eh_dispatch): When any lowering resulted in
3420 removing an edge, also delete unreachable blocks.
3422 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3425 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3426 UNSPEC_MACHOPIC_OFFSET.
3428 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3431 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3432 (m68k_delegitimize_address): New function.
3434 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3437 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3440 * var-tracking.c (adjust_sets): New function.
3441 (count_with_sets, add_with_sets): Use it.
3442 (get_adjusted_src): New inline function.
3443 (add_stores): Use it.
3446 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3447 call cselib_dummy_expand_value_rtx_cb instead of
3448 cselib_expand_value_rtx_cb.
3451 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3452 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3453 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3454 and .cfi_endproc around the pic thunks.
3455 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3456 all queued unwind info register saves are saved before the call.
3457 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3458 considered as sp-=4 for unwind info and the pop as sp+=4 which
3459 also clobbers dest, but doesn't actually restore it.
3462 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3463 RTX_FRAME_RELATED_P.
3465 2010-03-09 Jie Zhang <jie@codesourcery.com>
3467 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3468 whitespaces in output template.
3470 2010-03-09 Jie Zhang <jie@codesourcery.com>
3472 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3475 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3477 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3478 builtins.exp in a separate job.
3480 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3482 * graphite-sese-to-poly.c (add_param_constraints): Use
3483 lower_bound_in_type and upper_bound_in_type.
3485 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3487 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3488 instead of unsigned_type_node.
3490 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3491 Reza Yazdani <reza.yazdani@amd.com>
3494 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3495 on pointer type parameters.
3497 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3501 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3502 handle conversions from pointer to integers.
3503 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3504 induction variable, to be able to work with code generated by CLooG.
3505 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3506 (build_poly_scop): Bail out if we cannot codegen a loop.
3508 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3510 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3511 code generation with gloog_error.
3513 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3515 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3516 Call fold_convert on all the returned values.
3517 (expand_scalar_variables_expr): Pass to
3518 expand_scalar_variables_ssa_name the type of the resulting expression.
3520 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3522 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3523 ppl_min_for_le_pointset.
3524 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3525 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3527 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3529 * graphite-dependences.c (map_into_dep_poly): Removed.
3530 (dependence_polyhedron_1): Use combine_context_id_scat.
3532 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3534 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3535 (struct poly_bb): Same.
3536 (combine_context_id_scat): New.
3538 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3541 * sese.c (name_defined_in_loop_p): Return false for default
3544 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3546 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3547 and clean up the logic.
3549 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3551 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3554 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3556 * var-tracking.c (remove_cselib_value_chains): Define only for
3558 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3559 delete_slot_part, emit_notes_for_differences_1): Don't call
3560 remove_cselib_value_chains here.
3561 (set_slot_part, emit_notes_for_differences_2): Don't call
3562 add_cselib_value_chains here.
3563 (preserved_values): New vector.
3564 (preserve_value): New function.
3565 (add_uses, add_stores, vt_add_function_parameters): Use it
3566 instead of cselib_preserve_value.
3567 (changed_values_stack): New vector.
3568 (check_changed_vars_0): New function.
3569 (check_changed_vars_1, check_changed_vars_2): Use it.
3570 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3571 changed_values_stack VALUEs.
3572 (vt_emit_notes): For all preserved_values call
3573 add_cselib_value_chains. If ENABLE_CHECKING call
3574 remove_cselib_value_chains before verifying value_chains is empty.
3575 Initialize and free changed_values_stack.
3576 (vt_initialize): Initialize preserved_values.
3577 (vt_finalize): Free preserved_values.
3579 2010-03-08 Richard Guenther <rguenther@suse.de>
3581 PR tree-optimization/43269
3582 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3585 2010-03-08 Martin Jambor <mjambor@suse.cz>
3587 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3588 (ipa_is_param_called): Removed.
3589 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3590 (ipa_print_node_params): Do not print the called flag.
3591 (ipa_write_node_info): Do not stream the called flag.
3592 (ipa_read_node_info): Likewise.
3594 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3597 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3598 * cselib.c (struct expand_value_data): Add dummy field.
3599 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3601 (cselib_dummy_expand_value_rtx_cb): New function.
3602 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3604 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3605 * var-tracking.c: Include pointer-set.h.
3606 (variable): Change n_var_parts to char from int. Add
3607 cur_loc_changed and in_changed_variables fields.
3608 (variable_canonicalize): Remove.
3609 (shared_var_p): New inline function.
3610 (unshare_variable): Maintain cur_loc_changed and
3611 in_changed_variables fields. If var was in changed_variables,
3612 replace it there with new_var. Just copy cur_loc instead of
3613 resetting it to something else.
3614 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3615 (dataflow_set_union): Don't call variable_canonicalize.
3616 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3617 of their DEBUG_EXPR_TREE_DECLs.
3618 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3619 and in_changed_variables and cur_loc_changed is false.
3620 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3621 and cur_loc_changed. Don't update cur_loc here.
3622 (variable_merge_over_src): Don't call variable_canonicalize.
3623 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3624 removing loc that is equal to cur_loc, clear cur_loc,
3625 set cur_loc_changed and ensure variable_was_changed is called.
3626 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3627 compare pointers in cur_loc check, if it is equal to loc,
3628 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3629 (variable_different_p): Remove compare_current_location argument,
3630 don't compare cur_loc.
3631 (dataflow_set_different_1): Adjust variable_different_p caller.
3632 (variable_was_changed): If dv had some var in changed_variables
3633 already, reset in_changed_variables flag for it and propagate
3634 cur_loc_changed over to the new variable. On empty var
3635 always set cur_loc_changed. Set in_changed_variables on whatever
3636 var is added to changed_variables.
3637 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3638 Use shared_var_p. When removing loc that is equal to cur_loc,
3639 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3640 end, don't set it to something else, just call variable_was_changed.
3641 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3642 loc being removed, clear cur_loc and set cur_loc_changed.
3643 Set cur_loc_changed if all locations have been removed.
3644 (struct expand_loc_callback_data): New type.
3645 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3646 allocated. Always create SUBREGs if simplify_subreg failed.
3647 Prefer to use cur_loc, when that fails and still in
3648 changed_variables (and seen first time) recompute it. Set
3649 cur_loc_changed of variables which had to change cur_loc and
3650 compute elcd->cur_loc_changed if any of the subexpressions used
3651 had to change cur_loc.
3652 (vt_expand_loc): Adjust to pass arguments in
3653 expand_loc_callback_data structure.
3654 (vt_expand_loc_dummy): New function.
3655 (emitted_notes): New variable.
3656 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3657 that weren't used for any other decl in current
3658 emit_notes_for_changes call call vt_expand_loc_dummy to update
3659 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3660 first loc_chain location if NULL before. Always use just
3661 cur_loc instead of first loc_chain location. When cur_loc_changed
3662 is false, when not --enable-checking=rtl just don't emit any note.
3663 When rtl checking, compute the note and assert it is the same
3664 as previous note. Clear cur_loc_changed and in_changed_variables
3665 at the end before removing from changed_variables.
3666 (check_changed_vars_3): New function.
3667 (emit_notes_for_changes): Traverse changed_vars to call
3668 check_changed_vars_3 on each changed var.
3669 (emit_notes_for_differences_1): Clear cur_loc_changed and
3670 in_changed_variables. Recompute cur_loc of new_var.
3671 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3672 (vt_emit_notes): Initialize and destroy emitted_notes.
3674 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3676 PR rtl-optimization/42220
3677 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3678 Use verify_reg_tracked to determine if we should use OP_OUT rather
3680 (build_def_use): If we see an in-out operand for a register that we
3681 know nothing about, treat is an output if possible, fail the block if
3684 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3687 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3690 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3693 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3694 uses of relevant DEFs that are dead outside the loop too.
3696 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3698 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3700 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3702 * var-tracking.c (values_to_unmark): New variable.
3703 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
3704 values_to_unmark vector. Moved body to...
3705 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
3706 instead queue it into values_to_unmark vector.
3707 (vt_find_locations): Free values_to_unmark vector.
3709 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
3711 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
3712 (site.exp): Export them when plugins are enabled.
3714 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
3717 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
3719 (chrec_fold_multiply): Same.
3721 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3724 * c-decl.c (build_compound_literal): Return early if init is
3727 2010-03-04 Martin Jambor <mjambor@suse.cz>
3729 PR tree-optimization/43164
3730 PR tree-optimization/43191
3731 * tree-sra.c (type_consists_of_records_p): Reject records with
3732 zero-size bit-fields at the end.
3734 2010-03-04 Mike Stump <mikestump@comcast.net>
3736 * Makefile.in (TAGS): Remove *.y.
3738 2010-03-04 Richard Guenther <rguenther@suse.de>
3740 PR tree-optimization/40761
3741 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
3743 (my_rev_post_order_compute): New function.
3744 (init_pre): Call it.
3746 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
3749 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
3750 decrease the cost of an IV candidate when the cost is infinite.
3752 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3754 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
3755 Use '3DNow!' for the extension of that name, ensure normal space
3757 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
3759 2010-03-03 Jeff Law <law@redhat.com>
3761 * PR middle-end/32693
3762 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
3763 than gen_rtx_SUBREG.
3764 (extract_bit_field_1): Likewise.
3766 2010-03-03 Janis Johnson <janis187@us.ibm.com>
3768 * doc/sourcebuild.texi (Test directives): Document that arguments
3769 include-opts and exclude-opts are now optional for dg-skip-if,
3770 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
3772 2010-03-03 Jason Merrill <jason@redhat.com>
3775 * cgraph.h (varpool_node): Add extra_name field.
3776 * varpool.c (varpool_extra_name_alias): New.
3777 (varpool_assemble_decl): Emit extra name aliases.
3778 (varpool_mark_needed_node): Look past an extra name alias.
3779 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
3780 * lto-streamer-in.c (lto_input_tree): Read it.
3781 * lto-streamer-out.c (output_unreferenced_globals): Write it.
3783 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
3785 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
3786 (sparc*-*-solaris2*): ...this.
3788 2010-03-03 Jakub Jelinek <jakub@redhat.com>
3791 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
3792 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
3793 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
3794 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
3797 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
3798 fallthrough to default handling, just with want_address 0 instead of 2.
3799 For single element lists, add_AT_loc directly, otherwise create an
3800 artificial variable DIE and stick location list to it.
3803 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
3804 (VAL_EXPR_HAS_REVERSE): Define.
3805 (reverse_op): New function.
3806 (add_stores): For reversible operations add an extra MO_VAL_USE.
3808 2010-03-02 Jason Merrill <jason@redhat.com>
3810 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
3812 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
3814 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
3815 (sparc64-*-linux*): Likewise.
3816 (sparc64-*-solaris2*): Include assembler files before linker ones.
3817 (sparc-*-solaris2*): Simplify and reorder to match previous case.
3818 * config/sparc/gas.h: Delete.
3819 * config/sparc/sol2-64.h: Add copyright notice.
3820 * config/sparc/sol2-gas-bi.h: Likewise.
3821 * config/sparc/sol2-gld.h: Likewise.
3822 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
3823 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
3824 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
3825 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
3826 (sparc_elf_asm_named_section): Rename into...
3827 (sparc_solaris_elf_asm_named_section): ...this. Always define.
3829 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
3831 * config/alpha/alpha.c (override_options): Fix -mtune error message.
3833 2010-03-02 Jeff Law <law@redhat.com>
3836 * reload1.c (rtx_p, substitute_stack): Declare.
3837 (substitute): Record addresses of changed rtxs.
3838 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
3839 Restore the original rtx when complete.
3840 (reload): Free subsitute_stack when complete.
3842 2010-03-02 Janis Johnson <janis187@us.ibm.com>
3844 * doc/gccint.texi (menu): Add Testsuites as a chapter.
3845 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
3847 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
3848 LTO Testing, gcov Testing, profopt Testing, compat Testing,
3849 Torture Tests): Change from subsection to section.
3851 2010-03-02 Jakub Jelinek <jakub@redhat.com>
3852 Steven Bosscher <steven@gcc.gnu.org>
3854 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
3857 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
3860 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
3861 the assignment from the new induction variable to the assignment
3862 of the value from the original loop PHI function.
3864 2010-03-01 Janis Johnson <janis187@us.ibm.com>
3865 Daniel Jacobowitz <dan@codesourcery.com>
3867 * doc/sourcebuild.texi (Test directives): Clarify options to
3870 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3872 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
3873 Disable cfi directives unless GCC and gas agree on using read-only
3874 .eh_frame sections for 64-bit.
3875 * configure: Regenerate.
3877 2010-03-01 Richard Guenther <rguenther@suse.de>
3879 PR tree-optimization/43220
3880 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
3881 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
3883 2010-03-01 Richard Guenther <rguenther@suse.de>
3884 Martin Jambor <mjambor@suse.cz>
3887 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
3888 gimplified parameters.
3890 2010-03-01 Christian Bruel <christian.bruel@st.com>
3892 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
3894 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
3896 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
3898 2010-03-01 Richard Guenther <rguenther@suse.de>
3901 * expr.c (expand_assignment): Use the alias-oracle to tell
3902 if the rhs aliases the result decl.
3904 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3907 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
3908 to sol_gt_pch_get_address.
3909 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
3910 64-bit, SPARC and x86.
3911 (sol_gt_pch_get_address): New function.
3913 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
3915 * toplev.h (inform_n, error_n): Declare.
3916 * diagnostic.c (inform_n, error_n): New function.
3918 2010-03-01 Jakub Jelinek <jakub@redhat.com>
3920 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
3921 has no rtl yet when processing local_decls, queue it and recheck
3922 if deferred stack allocation hasn't assigned it rtl.
3924 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
3926 * config/sh/sh.c (unspec_bbr_uid): New.
3927 (gen_block_redirect): Use it instead of INSN_UID.
3928 (gen_far_branch): Likewise.
3930 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
3932 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
3933 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
3935 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3937 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
3938 (Warning Options): -Wno-conversion-null is valid for
3939 Objective-C++ as well.
3940 * doc/tm.texi (Named Address Spaces): Likewise.
3941 * doc/plugins.texi (Plugins): Replace TABs with spaces.
3942 * doc/tree-ssa.texi (Tree SSA): Likewise.
3944 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3947 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
3948 by default. Don't set the default arch for
3949 i[34567]86-*-darwin*|x86_64-*-darwin*.
3951 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3954 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
3955 default. Set the default 32bit/64bit archs with $with_arch
3956 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
3958 2010-02-27 Richard Guenther <rguenther@suse.de>
3960 PR tree-optimization/43186
3961 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
3962 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
3963 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
3964 unroller iterations.
3966 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
3968 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
3969 required and i[34567]86-*-* targets don't support 64bit ISA.
3971 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
3974 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
3977 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
3979 * config.gcc: Set the default arch at least to Prescott for
3980 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
3981 if SSE math is enabled.
3983 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3985 * diagnostic.c (diagnostic_initialize): Update.
3986 (diagnostic_report_diagnostic): Test inhibit_notes_p for
3988 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
3989 (diagnostic_inhibit_notes): New.
3990 * toplev.c (process_options): inhibit notes with -fcompare-debug.
3992 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
3995 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
3996 * doc/standards.texi: Likewise.
3997 * doc/extend.texi: Likewise.
3998 * doc/trouble.texi: Likewise.
3999 * doc/cppopts.texi: Likewise.
4000 * doc/install.texi: Likewise.
4001 * c.opt (std=c90,std=gnu90): New options.
4002 * c-opts.c (c_common_handle_option): Handle them.
4004 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4007 * c-decl.c (undeclared_variable): Use an informative note.
4009 2010-02-26 Richard Guenther <rguenther@suse.de>
4011 PR tree-optimization/43186
4012 * gimple.h (gimple_fold): Remove.
4013 * gimple.c (gimple_fold): Remove. Inline into single user ...
4014 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4015 Try harder for conditions.
4017 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4020 * function.c (used_types_insert): Don't skip through named pointer
4021 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4022 and it is different from the main variant's type.
4024 2010-02-26 Nick Clifton <nickc@redhat.com>
4026 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4028 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4030 * config.gcc: Support --with-fpmath=sse for x86.
4032 * config/i386/ssemath.h: New.
4034 * doc/install.texi (--with-fpmath=sse): Documented.
4036 2010-02-26 Richard Guenther <rguenther@suse.de>
4038 PR tree-optimization/43188
4039 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4040 vector types of over-aligned element type.
4042 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4045 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4046 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4048 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4050 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4052 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4054 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4055 * var-tracking.c: Include diagnostic.h.
4056 (debug_dv): New function.
4057 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4060 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4061 (add_value_chain, add_value_chains, remove_value_chain,
4062 remove_value_chains): Handle DEBUG_EXPRs.
4063 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4066 * regcprop.c (struct queued_debug_insn_change): New type.
4067 (struct value_data_entry): Add debug_insn_changes field.
4068 (struct value_data): Add n_debug_insn_changes field.
4069 (debug_insn_changes_pool): New variable.
4070 (free_debug_insn_changes, apply_debug_insn_changes,
4071 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4072 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4073 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4075 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4077 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4078 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4079 changes, call cprop_find_used_regs via note_stores.
4080 (copyprop_hardreg_forward): When copying vd from predecessor
4081 which has any queued DEBUG_INSN changes, make sure the pointers are
4082 cleared. At the end call df_analyze and then if there are any
4083 DEBUG_INSN changes queued at the end of some basic block for still
4084 live registers, apply them.
4085 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4087 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4089 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4092 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4094 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4095 targets. Set the default with_cpu/with_arch from arch/cpu.
4096 Allow x86-64 and native for with_cpu/with_arch.
4098 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4100 * ebitmap.c: Change calls to verify_popcount with calls to
4101 sbitmap_verify_popcount.
4102 (ebitmap_clear_bit): Fixed map->cacheindex test and
4103 map>cache update when bit clearing results in an empty
4106 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4109 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4110 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4111 and support both V2DF and V2DI modes.
4112 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4113 support both V2DF and V2DI modes.
4114 (general): Delete trailing whitespace from a few patterns.
4116 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4117 V2DF/V2DI interleave high/low builtins.
4119 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4122 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4123 interleave high/low functions.
4125 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4127 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4128 #pragma extern_prefix.
4130 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4133 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4134 BLKmode, assert op0 is a MEM and just adjust its mode.
4137 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4138 if bitpos isn't multiple of mode's bitsize.
4140 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4142 * c.opt (-ftemplate-depth=): New.
4143 (-ftemplate-depth-): Deprecate.
4144 * optc-gen.awk: Handle -ftemplate-depth=.
4145 * opth-gen.awk: Likewise.
4146 * c-opts.c (c_common_handle_option): Likewise.
4147 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4149 2010-02-24 Jason Merrill <jason@redhat.com>
4151 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4153 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4155 * cfg.c (alloc_aux_for_block): Remove inline.
4156 (alloc_aux_for_edge): Likewise.
4158 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4160 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4162 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4164 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4165 * config/i386/sol2-gas.h: New file.
4166 * config.gcc (i[34567]86-*-solaris2*): Use it.
4168 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4171 * c-typeck.c (ep_convert_and_check): New.
4172 (build_conditional_expr): Use it.
4173 (build_binary_op): Likewise.
4175 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4177 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4180 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4181 bounds even for -O+.
4182 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4183 expr needs to have DECL_NAME set.
4185 2010-02-24 Nick Clifton <nickc@redhat.com>
4187 * config/mep/mep.c: Include gimple.h.
4188 (mep_function_uses_sp): Delete unused function.
4189 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4190 parameters. Use unsigned integers to count args. Return a
4191 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4193 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4196 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4197 greater or equal to nelt instead of 2 * nelt.
4198 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4201 2010-02-23 Jason Merrill <jason@redhat.com>
4204 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4205 in cfun->local_decls even if they have register types.
4208 * stor-layout.c (place_field): Don't warn about unnecessary
4209 DECL_PACKED if the type is packed.
4211 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4214 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4215 GOTOFF relocs, even when the base reg isn't pic pointer.
4217 2010-02-23 Michael Matz <matz@suse.de>
4220 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4221 (expand_gimple_basic_block): Generate and use debug temps if there
4222 are debug uses left after the last real use of TERed ssa names.
4223 Unlink debug immediate uses when they are expanded.
4225 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4228 * config/i386/i386.c (override_options): Reorganise to provide
4229 better error messages.
4231 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4234 * graphite-scop-detection.c (create_single_exit_edge): Move
4235 the call to find_single_exit_edge to....
4236 (create_sese_edges): ...here. Don't handle multiple edges
4237 exiting the function.
4238 (build_graphite_scops): Don't handle multiple edges
4239 exiting the function.
4241 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4244 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4245 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4247 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4250 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4252 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4255 * c-typeck.c (convert_arguments): Print declaration location.
4256 * c-common.c (validate_nargs): Rename as
4257 builtin_function_validate_nargs.
4258 (check_builtin_function_arguments): Update.
4260 2010-02-22 Richard Guenther <rguenther@suse.de>
4263 * tree-inline.c (declare_return_variable): Use the type of
4264 the call stmt lhs if available.
4266 2010-02-22 Duncan Sands <baldrick@free.fr>
4268 * passes.c (register_pass): Always consider all pass lists when
4269 ref_pass_instance_number is zero.
4271 2010-02-22 Richard Guenther <rguenther@suse.de>
4273 PR tree-optimization/42749
4274 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4275 parameter. Do arithmetic in the original type.
4276 (update_accumulator_with_ops): Likewise.
4277 (adjust_accumulator_values): Adjust.
4279 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4281 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4282 (QI to BLKmode splitter): New splitter.
4284 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4286 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4287 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4289 2010-02-22 Richard Guenther <rguenther@suse.de>
4291 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4293 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4295 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4296 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4297 ($(T)crti.o, $(T)crtn.o): Remove rules.
4299 2010-02-21 Tobias Burnus <burnus@net-b.de>
4302 * doc/invoke.texi (-fassociative-math): Document that this
4303 option is automatically enabled for Fortran.
4305 2010-02-20 David S. Miller <davem@davemloft.net>
4307 * configure.ac: Test if linker and assembler properly support
4308 GOTDATA_OP relocations.
4309 * configure: Rebuild.
4310 * config.in: Likewise.
4311 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4312 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4313 (movsi_high_pic): Likewise.
4314 (movdi_lo_sum_pic): Likewise.
4315 (movdi_high_pic): Likewise.
4316 (movsi_pic_gotdata_op): New pattern.
4317 (movdi_pic_gotdata_op): Likewise.
4318 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4319 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4321 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4324 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4325 attribute to ssemul.
4326 (xop_mulv2div2di3_high): Ditto.
4328 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4331 * c.opt (Wconversion-null): New option.
4332 * doc/invoke.texi (Wconversion-null): Document.
4334 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4336 * common.opt (Wlarger-than-): Add Undocumented.
4338 2010-02-19 Mike Stump <mikestump@comcast.net>
4340 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4342 2010-02-19 Jason Merrill <jason@redhat.com>
4345 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4346 * configure: Likewise.
4348 2010-02-20 Alan Modra <amodra@gmail.com>
4351 * cgraph.h (cgraph_make_decl_local): Declare.
4352 * cgraph.c (cgraph_make_decl_local): New function.
4353 (cgraph_make_node_local): Use it.
4354 * cgraphunit.c (cgraph_function_versioning): Likewise.
4355 * ipa.c (function_and_variable_visibility): Likewise.
4357 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4360 * except.c (sjlj_emit_function_enter): Don't call
4361 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4363 * rtl.h (add_reg_br_prob_note): Remove prototype.
4365 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4368 * c-common.c (conversion_warning): Remove widening conversions
4369 before checking the conversion of integers to reals.
4371 2010-02-19 Mike Stump <mikestump@comcast.net>
4374 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4377 * cgraphunit.c (process_function_and_variable_attributes): Check
4378 DECL_PRESERVE_P instead of looking up attribute "used".
4379 * ipa-pure-const.c (check_decl): Likewise.
4380 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4381 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4382 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4383 instead of attribute "used".
4384 * config/sol2-c.c (solaris_pragma_init): Likewise.
4385 (solaris_pragma_fini): Likewise.
4387 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4389 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4390 Use XCNEW instead of xcalloc.
4391 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4392 XNEW instead of xmalloc.
4393 (get_fields): Use XNEWVEC instead of xmalloc.
4396 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4397 populate vars array.
4398 (create_new_general_access): For debug stmts just reset value.
4399 (get_stmt_accesses): For accesses within debug stmts just record them
4400 using add_access_to_acc_sites instead of preventing the peeling or
4401 counting them as accesses.
4404 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4406 2010-02-19 Richard Guenther <rguenther@suse.de>
4408 PR tree-optimization/42916
4409 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4412 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4414 * configure.ac: Replace all uses of changequote in macro arguments
4415 with proper quoting.
4417 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4420 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4422 2010-02-19 Richard Guenther <rguenther@suse.de>
4424 PR tree-optimization/42944
4425 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4426 test for aliasing with errno.
4428 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4431 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4432 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4433 * dojump.c: Include output.h.
4434 (inv): New inline function.
4435 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4436 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4437 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4438 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4439 argument, pass it down to other calls.
4440 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4441 add REG_BR_PROB note to the conditional jump.
4442 * cfgexpand.c (add_reg_br_prob_note): Removed.
4443 (expand_gimple_cond): Don't call it, add the probability
4444 as last argument to jumpif_1/jumpifnot_1.
4445 * Makefile.in (dojump.o): Depend on output.h.
4446 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4448 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4449 * stmt.c (do_jump_if_equal): Likewise.
4450 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4451 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4452 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4454 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4455 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4456 jumpifnot_1 callers.
4457 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4459 (store_expr): Adjust jumpifnot caller.
4460 (store_constructor): Adjust jumpif caller.
4463 * gimplify.c (gimple_boolify): For __builtin_expect call
4464 gimple_boolify also on its first argument.
4466 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4468 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4470 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4471 * configure: Regenerated.
4473 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4475 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4476 lang_hooks.types_compatible_p instead of comptypes.
4478 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4480 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4481 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4482 if __prefer_thumb__ is defined.
4484 2010-02-18 Martin Jambor <mjambor@suse.cz>
4486 PR tree-optimization/43066
4487 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4488 array with zero-sized element type.
4490 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4492 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4493 rtx, allocate struct var_loc_node here and return it to the
4494 caller, and only if it is actually needed.
4495 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4496 move it earlier and return immediately if it returns NULL.
4498 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4500 * config/sparc/gas.h: New file. Restore
4501 TARGET_ASM_NAMED_SECTION to its ELF default.
4502 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4504 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4505 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4506 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4507 after sparc/sysv4.h.
4509 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4511 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4513 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4515 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4516 patterns from predicated pattern.
4518 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4521 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4522 for insn mnemonic suffix.
4524 2010-02-17 Richard Guenther <rguenther@suse.de>
4526 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4529 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4532 * caller-save.c (save_call_clobbered_regs): If BB ends with
4533 a DEBUG_INSN, move any notes in between last real insn and the last
4534 DEBUG_INSN after the last DEBUG_INSN.
4536 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4538 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4539 Fix return type. Fix argument type. Explain meaning of return value.
4541 2010-02-16 Richard Guenther <rguenther@suse.de>
4543 PR tree-optimization/41043
4544 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4545 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4547 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4549 2010-02-16 Ira Rosen <irar@il.ibm.com>
4551 PR tree-optimization/43074
4552 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4553 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4554 vectorizable cycles in hybrid SLP check.
4555 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4557 2010-02-16 Richard Guenther <rguenther@suse.de>
4559 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4560 (true_dependence): If memrefs_conflict_p computes must-alias
4561 trust it. Move TBAA check after offset-based disambiguation.
4562 (canon_true_dependence): Likewise.
4564 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4566 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4567 * doc/invoke.texi: Document it.
4568 * var-tracking.c: Include toplev.h and params.h.
4569 (vt_find_locations): Return bool indicating success. Compute
4570 hash sizes unconditionally. Check new parameter, report.
4571 (variable_tracking_main_1): Check vt_find_locations results and
4572 retry. Renamed from...
4573 (variable_tracking_main): ... this. New wrapper to preserve
4574 flag_var_tracking_assignments.
4575 * Makefile.in (var-tracking.o): Adjust dependencies.
4577 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4578 Jakub Jelinek <jakub@redhat.com>
4581 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4582 if weak_import attribute is present.
4583 * config/darwin.c (machopic_select_section): Likewise.
4585 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4587 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4588 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4589 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4590 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4592 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4594 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4597 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4598 Rewrite text to refer to the names.
4600 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4602 * config/i386/i386-builtin-types.def
4603 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4604 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4605 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4606 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4607 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4608 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4609 IX86_BUILTIN_VPERMIL2PS256.
4610 (MULTI_ARG_4_DF2_DI_I): Defined.
4611 (MULTI_ARG_4_DF2_DI_I1): Defined.
4612 (MULTI_ARG_4_SF2_SI_I): Defined.
4613 (MULTI_ARG_4_SF2_SI_I1): Defined.
4614 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4615 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4616 __builtin_ia32_vpermil2ps256.
4617 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4618 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4619 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4620 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4621 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4622 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4623 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4624 CODE_FOR_xop_vpermil2v8sf3.
4625 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4626 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4627 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4628 (_mm256_permute2_pd): New.
4629 (_mm_permute2_ps): New.
4630 (_mm256_permute2_ps): New.
4632 2010-02-15 Nick Clifton <nickc@redhat.com>
4634 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4635 boolean parameters. Use emit_jump_insn when emitting a pop
4636 instruction containing a return insn.
4637 (push): Use 'true' rather than '1' as second parameter to F.
4638 (h8300_expand_prologue): Likewise.
4639 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4640 (h8300_expand_epilogue): Likewise.
4642 2010-02-15 Richard Guenther <rguenther@suse.de>
4645 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4648 2010-02-15 Nick Clifton <nickc@redhat.com>
4650 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4653 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4655 * intl.c (fake_ngettext): New function.
4656 * intl.h (fake_ngettext): Declare.
4657 (ngettext): Define macro.
4658 * collect2.c (notice_translated): New function.
4659 (main): Use notice_translated and ngettext.
4660 * collect2.h (notice_translated): Declare.
4662 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4664 * reorg.c (delete_computation): Comment fixes.
4665 * caller-save.c (setup_save_areas): Idem.
4666 * sel-sched-dump.c (dump_lv_set): Idem.
4669 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4671 * config/s390/s390.c (s390_sched_init): New function.
4672 (TARGET_SCHED_INIT): Target hook defined.
4674 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4675 Jack Howarth <howarth@bromo.med.uc.edu>
4676 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4679 Partial revert of unintended change in fix for PR41605.
4680 * config/darwin.h: Fix typo.
4681 * config/darwin9.h: Same.
4683 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4685 * c-pch.c (pch_init): Clear v.
4687 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4690 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4691 graphite_can_represent_init for MULT_EXPR.
4693 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4697 * graphite-sese-to-poly.c (remove_phi): New.
4698 (translate_scalar_reduction_to_array): Call remove_phi.
4700 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4703 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
4704 * graphite-clast-to-gimple.h (gloog): Update declaration.
4705 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
4706 * graphite-poly.h (struct poly_bb): Add missing comments.
4707 (struct scop): Add poly_scop_p field.
4709 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
4710 * graphite.c (graphite_transform_loops): Build the polyhedral
4711 representation for each scop before code generation.
4712 * sese.c (rename_variables_in_operand): Removed.
4713 (rename_variables_in_expr): Return the renamed expression.
4714 (rename_sese_parameters): New.
4715 * sese.h (rename_sese_parameters): Declared.
4717 2010-02-11 Richard Guenther <rguenther@suse.de>
4719 PR tree-optimization/42998
4720 * tree-ssa-pre.c (create_expression_by_pieces): Treat
4721 POINTER_PLUS_EXPR properly.
4723 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4724 Changpeng Fang <changpeng.fang@amd.com>
4727 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
4728 the cost of an IV candidate when the IV is used in a test against zero.
4730 * gcc.dg/tree-ssa/ivopts-3.c: New.
4732 2010-02-11 Richard Guenther <rguenther@suse.de>
4735 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
4736 pointer-vs-decl case by swapping refs. Handle some cases
4737 of pointer-vs-decl disambiguations more conservatively.
4738 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
4739 to false after expanding.
4741 2010-02-11 Richard Guenther <rguenther@suse.de>
4744 * gcc.c (process_command): Handle LTO file@offset case more
4747 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4749 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
4750 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
4752 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
4754 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
4755 if MEM's mode size isn't DWARF2_ADDR_SIZE.
4756 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
4757 Optimize eq/ne comparisons when both arguments are known to be
4759 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
4760 Don't mask operands unnecessarily if they are known to be already
4763 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
4765 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
4768 2010-02-10 Richard Guenther <rguenther@suse.de>
4770 PR tree-optimization/43017
4771 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
4772 for wrapping signed arithmetic.
4774 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4777 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
4778 if no debug info should be emitted for it.
4780 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
4782 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
4783 note when flag_exceptions is set.
4785 2010-02-10 Duncan Sands <baldrick@free.fr>
4787 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
4789 2010-02-10 Richard Guenther <rguenther@suse.de>
4792 * tree.c (get_unwidened): Handle constants.
4793 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
4795 2010-02-10 Martin Jambor <mjambor@suse.cz>
4798 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
4799 check for variable argument counts independently.
4801 2010-02-10 Christian Bruel <christian.bruel@st.com>
4804 * config/sh/sh.c (find_barrier): Increase length for non delayed
4805 conditional branches.
4807 2010-02-10 Christian Bruel <christian.bruel@st.com>
4809 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
4811 2010-02-10 Jakub Jelinek <jakub@redhat.com>
4813 * builtins.c (set_builtin_user_assembler_name): Also handle
4814 ffs if int is smaller than word.
4816 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
4819 * ira-conflicts.c (get_dup): Remove.
4820 (process_reg_shuffles): Add new parameter. Use it as an
4821 additional guard for copy generation.
4822 (add_insn_allocno_copies): Rewrite.
4824 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
4826 * common.opt (fsched2-use-traces): Preserved for backward
4828 * doc/invoke.texi: Remove the documentation about option
4829 -fsched2-use-traces.
4830 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
4831 flag_sched2_use_traces.
4832 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
4833 the backward compatibility flag section.
4835 2010-02-09 Richard Guenther <rguenther@suse.de>
4837 PR tree-optimization/43008
4838 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
4839 make HEAP variables initialized from global memory if they
4840 are not known builtin functions.
4841 (find_func_aliases): Adjust.
4843 2010-02-09 Richard Guenther <rguenther@suse.de>
4845 PR tree-optimization/43000
4846 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
4847 arithmetic manually.
4849 2010-02-08 Jakub Jelinek <jakub@redhat.com>
4851 PR tree-optimization/42931
4852 * tree-loop-linear.c (try_interchange_loops): Don't call
4853 double_int_mul if estimated_loop_iterations failed.
4855 2010-02-08 Martin Jambor <mjambor@suse.cz>
4858 * tree-sra.c (build_accesses_from_assign): Do not mark in
4859 should_scalarize_away_bitmap if stmt has volatile ops.
4860 (sra_modify_assign): Do not process assigns piecemeal if if stmt
4863 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
4865 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
4867 2010-02-07 Adam Nemet <adambnmet@gmail.com>
4869 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
4872 2010-02-07 Andrew Pinski <pinskia@gmail.com>
4875 * df-core.c (df_finish_pass): Change type of saved_flags to int.
4877 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4880 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
4881 to unknown_dependence.
4882 (graphite_legal_transform_dr): Handle the unknown_dependence.
4883 (graphite_carried_dependence_level_k): Same.
4885 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
4887 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
4889 2010-02-07 Richard Guenther <rguenther@suse.de>
4892 * expr.c (get_inner_reference): Always initialize *pbitsize.
4894 2010-02-07 Richard Guenther <rguenther@suse.de>
4897 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
4898 new ARRAY_REFs on variable size element or minimal index arrays.
4900 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
4901 gimple_fold_indirect_ref.
4903 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
4906 * arm.c (arm_override_options): Just return if the user has specified
4907 an invalid fpu name.
4909 2010-02-03 Jason Merrill <jason@redhat.com>
4912 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
4913 i386_pe_maybe_record_exported_symbol.
4915 2010-02-05 Steve Ellcey <sje@cup.hp.com>
4918 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
4919 (pa_delegitimize_address): New function.
4921 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
4923 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
4924 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
4926 2010-02-05 Richard Guenther <rguenther@suse.de>
4929 * lto-streamer-in.c (get_resolution): Deal with references
4930 to undefined functions.
4932 2010-02-05 Richard Guenther <rguenther@suse.de>
4934 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
4935 (fold_const_aggregate_ref): Likewise.
4936 (ccp_fold_stmt): Substitute loads.
4937 (maybe_fold_reference): Verify types before substituting.
4939 (fold_gimple_assign): Unshare properly.
4940 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
4942 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
4944 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
4945 for rs6000_gen_cell_microcode.
4947 2010-02-04 Richard Guenther <rguenther@suse.de>
4949 PR rtl-optimization/42952
4950 * dse.c (const_or_frame_p): Remove MEM handling.
4952 2010-02-04 Nick Clifton <nickc@redhat.com>
4954 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
4955 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
4956 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
4957 (mn10300_asm_output_mi_thunk): New function.
4958 (mn10300_can_output_mu_thunk): New function.
4959 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
4960 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
4961 (FUNCTION_ARG): Delete incorrect comment.
4963 2010-02-03 Jason Merrill <jason@redhat.com>
4966 * fold-const.c (operand_equal_p): Handle erroneous types.
4968 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
4970 * config/h8300/h8300.md (can_delay): Fix attibute condition.
4972 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
4974 PR rtl-optimization/42941
4975 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
4978 2010-02-03 Jason Merrill <jason@redhat.com>
4981 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
4983 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
4986 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
4987 (cselib_reset_table): Renamed from...
4988 (cselib_reset_table_with_next_value): ... this.
4989 (cselib_get_next_uid): Renamed from...
4990 (cselib_get_next_unknown_value): ... this.
4991 * cselib.c (next_uid): Renamed from...
4992 (next_unknown_value): ... this.
4993 (cselib_clear_table): Adjust.
4994 (cselib_reset_table): Adjust. Renamed from...
4995 (cselib_reset_table_with_next_value): ... this.
4996 (cselib_get_next_uid): Adjust. Renamed from...
4997 (cselib_get_next_unknown_value): ... this.
4998 (get_value_hash): Use hash.
4999 (cselib_hash_rtx): Likewise.
5000 (new_cselib_val): Adjust. Set and dump uid.
5001 (cselib_lookup_mem): Pass next_uid as hash.
5002 (cselib_subst_to_values): Likewise.
5003 (cselib_log_lookup): Dump uid.
5004 (cselib_lookup): Pass next_uid as hash. Adjust.
5005 (cselib_process_insn): Adjust.
5006 (cselib_init): Initialize next_uid.
5007 (cselib_finish): Adjust.
5008 (dump_cselib_table): Likewise.
5009 * dse.c (canon_address): Dump value uid.
5010 * print-rtl.c (print_rtx): Print value uid.
5011 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5013 (dv_uid): New function, sort of renamed from...
5014 (dv_htab_hash): ... this, reimplemented in terms of it and...
5015 (dv_uid2hash): ... this. New.
5016 (variable_htab_eq): Drop excess assertions.
5017 (tie_break_pointers): Removed.
5018 (canon_value_cmp): Compare uids.
5019 (variable_post_merge_New_vals): Print uids.
5020 (vt_add_function_parameters): Adjust.
5021 (vt_initialize): Reset table. Adjust.
5023 2010-02-03 Richard Guenther <rguenther@suse.de>
5025 PR tree-optimization/42944
5026 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5027 (call_may_clobber_ref_p_1): Likewise. Properly handle
5028 malloc and calloc clobbering errno.
5030 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5032 * doc/invoke.texi: Fix name of sched1 dump.
5034 * opts.c (decode_options): Set flag_tree_switch_conversion
5035 only conditionally on optimize >= 2.
5037 * gcse.c: Assorted comment fixes in pass description.
5039 2010-02-03 Anthony Green <green@moxielogic.com>
5041 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5042 nop padding in order to maintain alignment of storage location of
5043 target function address.
5044 (moxie_trampoline_init): Store target function address at newly
5046 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5048 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5050 2010-02-03 Richard Guenther <rguenther@suse.de>
5053 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5055 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5057 * config.gcc: Reenable check for obsolete targets.
5058 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5059 mips-sgi-irix6.[0-4]*.
5061 2010-02-02 Nick Clifton <nickc@redhat.com>
5063 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5064 constant size of 4 as being the same as 0.
5065 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5066 can take values in the range 0..4.
5068 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5071 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5072 as _darwin10_Unwind_FindEnclosingFunction().
5073 * libgcc-libsystem.ver: New.
5075 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5078 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5079 implicitly set registers.
5081 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5083 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5084 (arm_override_options): Allow automatic selection of the thread
5085 pointer register if thumb2.
5086 (legitimize_pic_address): Improve code sequences for Thumb2.
5087 (arm_call_tls_get_addr): Likewise.
5088 (legitimize_tls_address): Likewise.
5089 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5090 (pic_load_addr_32bit): ... this. New named pattern.
5091 * thumb2.md (pic_load_addr_thumb2): Delete.
5092 (pic_load_dot_plus_four): Delete.
5093 (tls_load_dot_plus_four): New named pattern.
5095 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5098 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5099 Document fix for TLS bug.
5101 2010-01-31 Richard Guenther <rguenther@suse.de>
5103 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5104 conservatively correct.
5106 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5110 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5112 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5114 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5116 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5118 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5120 * config.gcc: Adjust order of makefile fragments for mingw targets.
5122 2010-01-31 Richard Guenther <rguenther@suse.de>
5125 * gimplify.c (gimplify_init_constructor): For volatile LHS
5126 initialize a temporary.
5128 2010-01-31 Matthias Klose <doko@ubuntu.com>
5130 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5132 * configure: Regenerate.
5134 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5136 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5137 the same alias set and their sizes different constantness.
5138 (aliasing_component_refs_p): Revert 2009-10-24 change.
5140 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5142 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5145 2010-01-29 Richard Guenther <rguenther@suse.de>
5147 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5148 Assert we successfully updated the call.
5150 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5152 PR rtl-optimization/42889
5153 * df.h (df_set_bb_dirty_nonlr): New prototype.
5154 * df-core.c (df_set_bb_dirty_nonlr): New function.
5155 * df-scan.c (df_insn_rescan): Call it instead of
5156 df_set_bb_dirty for DEBUG_INSNs.
5158 2010-01-29 Richard Guenther <rguenther@suse.de>
5161 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5162 quadratic behavior in most cases.
5164 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5167 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5168 in the call to gen_x86_movsicc_0_m1.
5170 2010-01-28 Richard Guenther <rguenther@suse.de>
5172 PR tree-optimization/42871
5173 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5175 2010-01-28 Richard Guenther <rguenther@suse.de>
5177 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5178 into call arguments.
5180 2010-01-28 Richard Guenther <rguenther@suse.de>
5183 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5184 the forwarder if the destination is an EH landing pad.
5186 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5188 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5189 block list passed to gimple_duplicate_sese_tail.
5190 (parallelize_loops): Avoid parallelization when the function
5192 Avoid parallelization when the preheader is IRREDUCIBLE.
5193 Try to optimize when estimated_loop_iterations_int is unresolved.
5194 Add the loop's location to the dump file.
5195 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5196 (gimple_duplicate_sese_tail): Remove the check for the latch.
5197 Redirect nexits to the exit block.
5198 Remove handling of the incoming edges to the latch.
5199 Redirect the backedge from the copied latch to the exit bb.
5201 2010-01-28 Michael Matz <matz@suse.de>
5204 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5205 Wrap force_reg into a sequence, emit it before user.
5207 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5209 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5211 (arm_legacy_rev): Likewise.
5212 (thumb_legacy_rev): Likewise.
5214 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5216 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5217 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5218 on MEM's address failed, try avoid_constant_pool_reference and
5219 recurse if it returned something different.
5220 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5221 address, try avoid_constant_pool_reference and recurse if it
5222 returned something different.
5223 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5224 address and avoid_constant_pool_reference returned something
5225 different, don't set have_address.
5227 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5230 * var-tracking.c (val_store): Add modified argument, obey it.
5232 (count_uses): Move down logging of main.
5233 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5234 don't need resolution.
5235 (emit_notes_in_bb): Likewise.
5237 2010-01-27 Richard Guenther <rguenther@suse.de>
5240 * tree-inline.c (remap_decl): Delay remapping of SSA name
5241 default definitions until we need them.
5243 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5245 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5246 (rs6000_delegitimize_address): New function.
5248 * config/s390/s390.c (s390_delegitimize_address): Call
5249 delegitimize_mem_from_attrs.
5252 * tree-inline.c (cannot_copy_type_1): Removed.
5253 (copy_forbidden): Don't forbid copying of functions containing
5254 records/unions with variable length fields.
5256 2010-01-27 Christian Bruel <christian.bruel@st.com>
5260 * config/sh/sh.c (find_barrier): Increase length for non delayed
5261 conditional branches.
5263 2010-01-27 Matthias Klose <doko@ubuntu.com>
5265 * configure.ac (gnu-unique-object): Fix ldd version check.
5266 * configure: Regenerate.
5268 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5270 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5272 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5273 Test for HAVE_GNU_AS value.
5275 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5277 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5278 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5279 INT64_TYPE): Define.
5280 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5281 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5282 INT_LEAST64_TYPE): Define.
5283 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5284 UINT_LEAST64_TYPE): Define.
5285 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5286 INT_FAST64_TYPE): Define.
5287 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5288 UINT_FAST64_TYPE): Define.
5289 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5290 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5291 (SIG_ATOMIC_TYPE): Define.
5293 2010-01-26 Richard Guenther <rguenther@suse.de>
5295 * df-scan.c (df_scan_set_bb_info): Remove assert.
5296 (df_insn_rescan_debug_internal): Merge asserts.
5297 (df_install_ref): Likewise.
5298 (df_mark_reg): Use bitmap_set_range.
5299 (df_hard_reg_used_p): Remove assert.
5300 (df_hard_reg_used_count): Likewise.
5302 2010-01-26 Richard Guenther <rguenther@suse.de>
5304 PR rtl-optimization/42685
5305 * web.c (web_main): Ignore DEBUG_INSNs.
5307 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5309 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5311 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5312 Fix types of fndecl and arglist parameters.
5314 2010-01-26 Richard Guenther <rguenther@suse.de>
5317 * tree-eh.c (unsplit_eh): Skip debug insns.
5319 2010-01-26 Richard Guenther <rguenther@suse.de>
5321 PR tree-optimization/42250
5322 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5324 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5327 * omp-low.c (expand_omp_sections): Only use single_pred if
5328 l2_bb is single_pred_p.
5330 2010-01-25 Christian Bruel <christian.bruel@st.com>
5333 * config/sh/sh.c (find_barrier): Increase length for non delayed
5334 conditional branches.
5335 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5337 2010-01-24 David S. Miller <davem@davemloft.net>
5339 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5340 define if not using GAS.
5341 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5342 Likewise. Delete SECTION_MERGE code, which is only applicable
5345 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5348 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5349 mangling of va_list in system headers.
5351 2010-01-23 Toon Moene <toon@moene.org>
5353 * tree-predcom.c (combine_chains): Return NULL, not false.
5355 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5357 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5358 initialization of variable res to agree with return type.
5360 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5362 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5363 * tree-sra.c: Add include of expr.h.
5365 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5367 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5368 insert the debug stmt on the single non-EH edge from the stmt.
5370 2010-01-22 Richard Henderson <rth@redhat.com>
5373 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5374 the RHS until after generate_subtree_copies has insertted its
5375 code before the current statement.
5377 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5379 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5381 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5383 2010-01-21 Martin Jambor <mjambor@suse.cz>
5385 PR tree-optimization/42585
5386 * tree-sra.c (struct access): New field grp_total_scalarization.
5387 (dump_access): Dump the new field.
5388 (should_scalarize_away_bitmap): New variable.
5389 (cannot_scalarize_away_bitmap): Likewise.
5390 (sra_initialize): Allocate new bitmaps.
5391 (sra_deinitialize): Free new bitmaps.
5392 (create_access_1): New function.
5393 (create_access): Parts moved to create_access_1.
5394 (type_consists_of_records_p): New function.
5395 (completely_scalarize_record): Likewise.
5396 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5397 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5398 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5400 (analyze_all_variable_accesses): Completely scalarize small eligible
5403 2010-01-21 Martin Jambor <mjambor@suse.cz>
5405 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5407 2010-01-21 Andrew Haley <aph@redhat.com>
5409 * gcc.c (process_command): Move lang_specific_driver before
5410 setting cc_libexec_prefix.
5412 2010-01-21 Richard Guenther <rguenther@suse.de>
5415 * fold-const.c (negate_expr_p): Pretend only negative
5416 real constants are easily negatable.
5418 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5419 Jason Merrill <jason@redhat.com>
5421 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5422 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5423 * calls.c (initialize argument_information): Handle it.
5424 * c-common.c (handle_transparent_union_attribute): Use new name.
5425 * c-decl.c (finish_struct): Ditto.
5426 * c-typeck.c (type_lists_compatible_p): Ditto.
5427 (convert_for_assignment): Use new name and also handle record.
5428 * function.c (aggregate_value_p): Handle it.
5429 (pass_by_reference): Ditto.
5430 (assign_parm_data_types): Ditto.
5431 * print-tree.c (print_node): Ditto.
5432 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5433 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5434 * tree.c (first_field): New fn.
5436 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5439 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5440 even when linking statically, for now.
5442 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5445 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5446 without a cselib val.
5447 (count_uses): Accept MO_VAL_SET with no val on stores.
5448 (add_stores): Likewise.
5450 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5452 * var-tracking.c (check_value_val): Add a compile time assertion.
5453 (dv_is_decl_p): Simplify.
5454 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5455 gcc_assert if ENABLE_CHECKING.
5457 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5460 * var-tracking.c: Include tree-flow.h.
5461 (mem_dies_at_call): New.
5462 (dataflow_set_preserve_mem_locs): Use it.
5463 (dataflow_set_remove_mem_locs): Likewise.
5464 (dump_var): Renamed from dump_variable. Adjust all callers.
5465 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5466 * Makefile.in (var-tracking.o): Adjust deps.
5468 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5470 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5472 2010-01-20 Richard Guenther <rguenther@suse.de>
5474 PR tree-optimization/42717
5475 * tree-ssa-dce.c (get_live_post_dom): Remove.
5476 (forward_edge_to_pdom): Take an arbitrary edge to copy
5477 degenerate PHI args from.
5478 (remove_dead_stmt): Use the first post-dominator even if it
5479 does not contain live statements as redirection destination.
5481 2010-01-20 Richard Guenther <rguenther@suse.de>
5483 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5485 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5487 * sel-sched.c (create_speculation_check): Remove set but not used
5489 (try_transformation_cache): Remove set but not used variable ds.
5490 (calculate_privileged_insns): Remove set but not used variables
5491 cur_insn and min_spec_insn.
5492 (find_best_expr): Remove set but not used variable avail_n.
5493 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5495 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5497 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5498 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5501 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5504 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5505 cpu types. Add support for *-sse3 cpu types.
5506 (x86_64-*-*): Ditto.
5508 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5511 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5512 argument, call initializer_constant_valid_p_1 instead of
5513 initializer_constant_valid_p, pass CACHE to it, return NULL
5514 immediately if first call returns NULL.
5515 (initializer_constant_valid_p_1): New function.
5516 (initializer_constant_valid_p): Use it.
5518 2010-01-20 Thomas Quinot <quinot@adacore.com>
5520 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5522 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5524 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5525 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5526 (loc_list_from_tree): Don't handle unsigned division. Handle
5527 signed modulo using DW_OP_{over,over,div,mul,minus}.
5528 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5529 modulo instead of signed.
5531 2010-01-20 DJ Delorie <dj@redhat.com>
5533 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5535 (h8300_emit_stack_adjustment): Propogate it.
5537 (h8300_expand_prologue): Likewise.
5538 (h8300_expand_epilogue): Likewise.
5540 2010-01-19 Michael Matz <matz@suse.de>
5542 PR tree-optimization/41783
5543 * tree-data-ref.c (toplevel): Include flags.h.
5544 (dump_data_dependence_relation): Also dump the inputs if the
5545 result will be unknown.
5546 (split_constant_offset_1): Look through some conversions.
5547 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5548 the offset from last element is too large.
5549 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5550 (reassociate_to_the_same_stmt): Handle vector registers.
5551 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5553 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5554 wide_prolog_niters argument, emit widening instructions.
5555 (vect_do_peeling_for_alignment): Adjust caller, use widened
5556 variant of the iteration cound.
5557 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5559 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5562 * config/arm/neon-testgen.m (emit_automatics): New parameter
5563 features. Adjust for Fixed_return_reg feature.
5564 (test_intrinsic): Call emit_automatics with new feature.
5565 * config/arm/neon.ml: Update copyright years.
5566 (features): New Fixed_return_reg feature.
5567 (ops): Update feature for Vget_low.
5569 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5571 PR tree-optimization/42719
5572 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5576 * fwprop.c (all_uses_available_at): Return false if def_set dest
5577 is a REG that is used in def_insn.
5579 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5581 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5583 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5586 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5588 * target.h (struct gcc_target) <secondary_reload>: Change type
5589 of last argument to secondary_reload_info *.
5591 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5594 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5595 memory references with unaligned offsets. Remove CQImode handling.
5596 (unaligned_memory_operand): Return 1 for memory references with
5597 unaligned offsets. Remove CQImode handling.
5599 2010-01-18 Richard Guenther <rguenther@suse.de>
5602 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5605 2010-01-18 Richard Guenther <rguenther@suse.de>
5607 PR tree-optimization/42781
5608 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5609 restrict processing only if the original variable was artificial.
5611 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5613 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5614 find number of popped argument bytes.
5616 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5617 Fix the text that describes the return value for invalid insns.
5619 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5621 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5622 Clarify what 'cost of the -dependence' is. Fix quoting.
5624 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5625 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5627 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5629 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5630 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5632 2010-01-17 Richard Guenther <rguenther@suse.de>
5635 * function.c (split_complex_args): Take a VEC to modify.
5636 (assign_parms_augmented_arg_list): Build a VEC instead of
5637 a chain of PARM_DECLs.
5638 (assign_parms_unsplit_complex): Take a VEC of arguments.
5639 Do not fixup unmodified parms.
5640 (assign_parms): Deal with the VEC.
5641 (gimplify_parameters): Likewise.
5643 2010-01-17 Richard Guenther <rguenther@suse.de>
5645 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5646 node existence check.
5647 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5648 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5649 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5650 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5651 (gimple_execute_on_growing_pred): Likewise.
5653 2010-01-17 Richard Guenther <rguenther@suse.de>
5655 PR tree-optimization/42773
5656 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5657 (compute_antic_aux): Likewise.
5658 (compute_partial_antic_aux): Likewise.
5660 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5663 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5666 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5668 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5671 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5672 Fix markup for strict argument.
5674 (TARGET_SCHED_REORDER2): Fix argument types.
5676 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5677 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5679 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5680 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5682 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5685 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5686 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5687 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5688 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5689 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5691 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5693 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5695 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5696 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5698 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5700 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5703 (TARGET_ASM_NAMED_SECTION): Fix argument list.
5705 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
5706 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
5708 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
5710 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
5712 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
5713 referring to it. Fix language.
5715 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
5717 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
5719 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
5721 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
5723 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
5724 '@var{stream}. Remove stray 'and'.
5726 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
5728 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
5730 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
5732 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
5733 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
5735 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
5736 Fix description of return value.
5737 Rename argument "sz" to "len."
5739 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
5740 Clarify meaning of 'true' return value.
5742 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
5744 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
5745 rep_mode versus mode_rep.
5747 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
5749 (TARGET_BUILTIN_DECL): Fix name.
5751 (TARGET_COMMUTATIVE_P): Fix type of first argument.
5753 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
5755 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
5757 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
5759 (TARGET_RELAXED_ORDERING): Use @deftypevr.
5761 (TARGET_GET_DRAP_RTX): Note that this is a hook.
5764 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
5765 Rename argument tm_fn to md_fn.
5767 (TARGET_OPTION_PRINT): Fix argument list.
5769 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
5772 * config/i386/i386.c (ix86_fixup_binary_operands):
5773 Revert FMA4 fixup of operands.
5775 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5778 * Makefile.in (write_entries_to_file, install-plugin):
5779 Use \012 instead of \n with tr.
5781 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
5783 * configure.ac (HAVE_AS_REF): New C macro.
5784 * configure: Regenerate.
5785 * config.in: Likewise.
5786 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
5788 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
5791 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
5793 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
5795 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
5797 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
5799 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
5801 (TARGET_IN_SMALL_DATA_P): Fix argument type.
5803 (TARGET_BINDS_LOCAL_P): Fix argument type.
5805 (TARGET_ASM_FILE_END): Use prototype.
5807 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
5809 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
5811 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
5813 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
5815 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
5816 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
5818 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
5819 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
5821 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
5822 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
5823 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
5824 (TARGET_ADDR_SPACE_CONVERT): Likewise.
5826 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
5828 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
5830 (TARGET_INIT_BUILTINS): Use prototype.
5832 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5833 Put 'const char *' in braces. Fix parameter types.
5834 (TARGET_INVALID_CONVERSION): Fix parameter types.
5835 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
5836 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
5838 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
5841 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
5843 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
5845 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
5847 * doc/tm.texi (TARGET_HELP): Fix return type.
5849 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
5850 in braces. Fix argument types.
5852 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
5854 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
5856 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
5858 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
5859 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
5861 (TARGET_MANGLE_TYPE): Fix argument types.
5863 (TARGET_IRA_COVER_CLASSES): Use prototype.
5865 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
5867 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
5869 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
5871 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
5873 (TARGET_CALLEE_COPIES): Fix argument types.
5875 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
5877 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
5879 (TARGET_FUNCTION_VALUE): Fix argument types.
5881 (TARGET_RETURN_IN_MSB): Fix argument type.
5883 (TARGET_RETURN_IN_MEMORY): Fix argument types.
5885 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
5887 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
5889 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
5890 agree with return type.
5892 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
5894 2010-01-15 Jing Yu <jingyu@google.com>
5896 PR rtl-optimization/42691
5897 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
5898 a pseudo to a constant and are merged, and adjust comments.
5900 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
5902 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
5904 2010-01-15 Richard Guenther <rguenther@suse.de>
5907 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
5908 labels of computed or non-local gotos to the destination.
5909 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
5910 landing pad label is the first label.
5912 2010-01-15 Richard Guenther <rguenther@suse.de>
5914 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
5916 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
5919 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
5920 to allow generation of the xssqrtdp instruction on power7.
5921 (sqrtdf2_fpr): Ditto.
5923 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5926 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
5927 functions with noreturn attribute.
5930 * varasm.c (declare_weak): Add weak attribute to decl if it
5931 doesn't have one already.
5932 (assemble_external): Only add decls to weak_decls if they also
5933 have weak attribute.
5935 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
5937 * var-tracking.c (var_reg_delete): Don't delete the association
5938 between REGs and values or one-part variables if the register
5941 2010-01-14 Jakub Jelinek <jakub@redhat.com>
5944 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
5945 because its first operand is a non-localized variable.
5947 2010-01-14 Martin Jambor <mjambor@suse.cz>
5949 PR tree-optimization/42706
5950 * tree-sra.c (encountered_recursive_call): New variable.
5951 (encountered_unchangable_recursive_call): Likewise.
5952 (sra_initialize): Initialize both new variables.
5953 (callsite_has_enough_arguments_p): New function.
5954 (scan_function): Call decl and flags check only for IPA-SRA, check
5955 whether there is a recursive call and whether it has enough arguments.
5956 (all_callers_have_enough_arguments_p): New function.
5957 (convert_callers): Look for recursive calls only when
5958 encountered_recursive_call is set.
5959 (ipa_early_sra): Bail out either if
5960 !all_callers_have_enough_arguments_p or
5961 encountered_unchangable_recursive_call.
5963 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
5965 * sel-sched.c: Add 2010 to copyright years.
5966 * sel-sched-ir.c: Likewise.
5967 * sel-sched-ir.h: Likewise.
5969 2010-01-14 Martin Jambor <mjambor@suse.cz>
5971 PR tree-optimization/42714
5972 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
5973 constructors specially.
5975 2010-01-14 Andi Kleen <ak@linux.intel.com>
5977 * config/i386/drivers-i386.c (detect_caches_intel):
5978 Add l2sizekb parameter and fill in.
5979 (host_detect_local_cpu): Add l2sizekb, fill in.
5980 Add Atom small cache heuristic.
5982 2010-01-14 Andi Kleen <ak@linux.intel.com>
5984 * config/i386/drivers-i386.c (detect_caches_cpuid4):
5985 Add level3 parameter and fill in.
5986 (detect_caches_intel): Handle level3 cache.
5988 2010-01-14 Andi Kleen <ak@linux.intel.com>
5990 * config/i386/drivers-i386.c (host_detect_local_cpu):
5991 Fix core duo detection.
5993 2010-01-14 Andi Kleen <ak@linux.intel.com>
5995 * config/i386/drivers-i386.c (host_detect_local_cpu):
5998 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6000 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6001 (rs6000_variable_issue_1): this. Use...
6002 (rs6000_variable_issue): here. Reimplement. Print debug info.
6004 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6006 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6007 sel_restore_notes. Update all callers. Call reemit_notes
6010 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6012 PR rtl-optimization/42246
6013 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6016 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6018 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6019 all successors is the same as number of successors in current region.
6021 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6023 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6024 to rename is not separable. Otherwise check that its LHS is not NULL.
6026 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6028 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6030 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6032 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6033 available registers when failed to discover LHS register class.
6034 Fix indentation. Update comment.
6036 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6037 Alexander Monakov <amonakov@ispras.ru>
6039 PR rtl-optimization/42389
6040 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6042 (advance_state_on_fence): Likewise.
6043 (sel_target_adjust_priority): Print debug output only when
6044 sched_verbose >= 4, not 2.
6045 (get_expr_cost): Do not issue all unique insns on the next cycle.
6046 (fill_insns): Initialize can_issue_more from the value saved
6048 * sel-sched-ir.c (flist_add): New parameter issue_more.
6049 Init FENCE_ISSUE_MORE with it.
6050 (merge_fences): Likewise.
6051 (init_fences): Update call to flist_add.
6052 (add_to_fences, add_clean_fence_to_fences)
6053 (add_dirty_fence_to_fences): Likewise.
6054 (move_fence_to_fences): Update call to merge_fences.
6055 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6057 * sel-sched-ir.h (struct _fence): New field issue_more.
6058 (FENCE_ISSUE_MORE): New accessor macro.
6060 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6062 PR rtl-optimization/42388
6063 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6064 that have no predecessors nor successors. Do not call move_bb_info
6065 for empty blocks outside of current region.
6067 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6069 PR rtl-optimization/42294
6070 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6071 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6072 originators' originators.
6074 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6076 PR rtl-optimization/39453
6077 PR rtl-optimization/42246
6078 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6080 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6082 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6083 Alexander Monakov <amonakov@ispras.ru>
6086 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6087 (maybe_tidy_empty_bb): ... here. Make static. Add new
6088 argument. Update all callers.
6089 (tidy_control_flow): ... and here. Recompute topological order
6090 of basic blocks in region if necessary.
6091 (sel_redirect_edge_and_branch): Change return type. Return true
6092 if topological order might have been invalidated.
6093 (purge_empty_blocks): Export and move from...
6094 * sel-sched.c (purge_empty_blocks): ... here.
6095 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6096 (maybe_tidy_empty_bb): Delete prototype.
6097 (purge_empty_blocks): Declare.
6099 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6101 PR rtl-optimization/42249
6102 * sel-sched.c (try_replace_dest_reg): When chosen register
6103 and original register is the same, do not bail out early, but
6104 still check all original insns for validity of replacing destination
6105 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6108 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6111 Port from no-undefined-overflow branch:
6112 2009-03-09 Richard Guenther <rguenther@suse.de>
6114 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6116 2010-01-14 Richard Guenther <rguenther@suse.de>
6119 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6121 2010-01-14 Ira Rosen <irar@il.ibm.com>
6123 PR tree-optimization/42709
6124 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6125 as scalar type in creation of constant vector operand.
6127 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6130 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6131 (check-parallel-%): Match `testsuite' directory component only
6134 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6136 PR translation/39521
6137 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6140 2010-01-13 Richard Guenther <rguenther@suse.de>
6142 PR tree-optimization/42730
6143 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6146 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6149 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6150 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6153 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6155 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6156 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6157 ___umulsi3_highpart.
6159 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6160 rather than schedule_insns if the pass is enabled.
6162 2010-01-13 Martin Jambor <mjambor@suse.cz>
6164 PR tree-optimization/42704
6165 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6168 2010-01-13 Martin Jambor <mjambor@suse.cz>
6170 PR tree-optimization/42703
6171 * tree-sra.c (analyze_access_subtree): Check that we can build a
6172 reference to the original data within the aggregate.
6174 2010-01-13 Richard Guenther <rguenther@suse.de>
6176 PR tree-optimization/42705
6177 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6179 2010-01-13 Richard Guenther <rguenther@suse.de>
6182 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6184 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6187 * var-tracking.c (values_to_unmark): New variable.
6188 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6189 values_to_unmark vector. Moved body to...
6190 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6191 instead queue it into values_to_unmark vector.
6192 (vt_find_locations): Free values_to_unmark vector.
6194 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6196 * config/s390/s390.c (override_options): Set
6197 default of max-pending-list-length to 256
6199 2010-01-13 Richard Guenther <rguenther@suse.de>
6202 * tree-pass.h (PROP_gimple_lcx): New.
6203 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6204 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6205 before the final cleanup_eh.
6206 (dump_properties): Dump PROP_gimple_lcx.
6207 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6208 (tree_lower_complex_O0): Remove.
6209 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6210 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6211 tree_lower_complex, schedule TODO_update_ssa.
6212 * lto-streamer-out.c (output_function): Stream the functions
6214 * lto-streamer-in.c (input_function): Likewise.
6215 (lto_read_body): Do not override them here.
6217 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6220 * c-typeck.c (build_c_cast): Fold value cast to union type before
6221 wrapping it in a CONSTRUCTOR.
6223 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6225 PR rtl-optimization/42699
6226 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6229 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6231 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6232 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6233 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6234 SUBTARGET_WARN_UNUSED_SPEC): ... here
6235 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6237 2010-01-12 Julian Brown <julian@codesourcery.com>
6239 * config/arm/neon-schedgen.ml (Utils): Don't try to
6240 open missing module.
6241 (find_with_result): New.
6243 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6246 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6247 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6249 PR tree-optimization/42645
6250 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6251 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6252 decl_map, set processing_debug_stmt to -1 and return name without
6255 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6257 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6258 binutils version, and reword target configuration description.
6260 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6262 * config/avr/avr.h (LINKER_NAME): Remove.
6264 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6267 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6268 that support VSX, warn for -mno-altivec if vsx is not disabled,
6271 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6272 Shujing Zhao <pearly.zhao@oracle.com>
6274 PR translation/42469
6275 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6276 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6277 character between option name and help text.
6278 * c.opt (imultilib): Likewise.
6280 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6282 * lto-streamer-out.c (output_unreferenced_globals): Output static
6285 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6287 PR rtl-optimization/42621
6288 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6289 optimizing for size.
6290 (duplicate_computed_gotos): Remove now-redundant check.
6292 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6295 * configure.ac: Save and restore LDFLAGS and LIBS
6296 * configure: Regenerate.
6298 2010-01-10 Richard Guenther <rguenther@suse.de>
6301 * builtins.c (fold_builtin_strlen): Add type argument and
6302 convert the resulting length to it.
6303 (fold_builtin_1): Adjust.
6305 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6307 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6308 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6310 (num_insns_constant_wide): Adjust for that change.
6312 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6315 * web.c (union_defs): Add used argument, to combine uses of
6317 (entry_register): Adjust type and tests of used argument.
6318 (web_main): Widen used for new use. Pass it to union_defs.
6319 * df.h (union_defs): Adjust prototype.
6321 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6324 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6325 uses in new incoming argument. Free body.
6326 (reset_debug_uses_in_loop): New.
6327 (analyze_insn_to_expand_var): Call the latter if the former found
6328 anything. Fix whitespace. Reject invalid dest overlaps before
6329 going through all insns in the loop.
6331 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6334 * haifa-sched.c (dying_use_p): Debug insns don't count.
6336 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6339 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6340 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6341 (verify_gimple_call): Reject LHS in noreturn calls.
6343 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6347 * tree-vect-loop-manip.c (adjust_info): New type.
6348 (adjust_vec): New pointer to vector.
6349 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6350 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6351 (slpeel_update_phis_for_duplicate_loop): Use them.
6352 (slpeel_update_phi_nodes_for_guard1): Likewise.
6353 (slpeel_update_phi_nodes_for_guard2): Likewise.
6354 (slpeel_tree_peel_loop_to_edge): Likewise.
6355 (vect_update_ivs_after_vectorizer): Likewise.
6357 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6359 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6360 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6362 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6364 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6365 bogus uninitialized warning.
6367 2010-01-09 Richard Guenther <rguenther@suse.de>
6370 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6371 the evolution is compatible with the initial condition.
6373 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6375 * gcc.c (process_command): Update copyright notice dates.
6376 * gcov.c (print_version): Likewise.
6377 * gcov-dump.c (print_version): Likewise.
6378 * mips-tfile.c (main): Likewise.
6379 * mips-tdump.c (main): Likewise.
6381 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6384 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6386 (rotlhi3_8): Delete.
6388 (rotlsi3_8): Delete.
6389 (rotlsi3_16): Delete.
6390 (rotlsi3_24): Delete.
6392 (*rotw<mode>3): New.
6393 (*rotb<mode>3): New.
6394 * config/avr/avr.c (avr_rotate_bytes): New function.
6395 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6397 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6400 * configure.ac: Modify -rdynamic check.
6401 * configure: Regenerate.
6403 2010-01-08 DJ Delorie <dj@redhat.com>
6405 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6406 register popping order.
6408 2010-01-08 Richard Guenther <rguenther@suse.de>
6411 * c.opt (fsigned-char): Also let LTO handle this option.
6412 (funsigned-char): Likewise.
6414 2010-01-07 Richard Guenther <rguenther@suse.de>
6416 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6417 (gimple_op): Likewise.
6418 (gimple_op_ptr): Likewise.
6419 (gimple_assign_set_lhs): Remove gcc_assert.
6420 (gimple_assign_set_rhs1): Likewise.
6421 (gimple_assign_set_rhs2): Likewise.
6422 (gimple_call_set_lhs): Likewise.
6423 (gimple_call_set_fn): Likewise.
6424 (gimple_call_set_fndecl): Likewise.
6425 (gimple_call_fndecl): Likewise.
6426 (gimple_call_return_type): Likewise.
6427 (gimple_call_set_chain): Likewise.
6428 (gimple_call_num_args): Likewise.
6429 (gimple_call_set_arg): Likewise.
6430 (gimple_cond_set_code): Likewise.
6431 (gimple_cond_set_lhs): Likewise.
6432 (gimple_cond_set_rhs): Likewise.
6433 (gimple_cond_set_true_label): Likewise.
6434 (gimple_cond_set_false_label): Likewise.
6435 (gimple_label_set_label): Likewise.
6436 (gimple_goto_set_dest): Likewise.
6437 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6438 (gimple_debug_bind_get_value): Likewise.
6439 (gimple_debug_bind_get_value_ptr): Likewise.
6440 (gimple_debug_bind_set_var): Likewise.
6441 (gimple_debug_bind_set_value): Likewise.
6442 (gimple_debug_bind_reset_value): Likewise.
6443 (gimple_debug_bind_has_value_p): Likewise.
6444 (gimple_return_retval_ptr): Remove gcc_assert.
6445 (gimple_return_retval): Likewise.
6446 (gimple_return_set_retval): Likewise.
6447 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6448 (safe_referenced_var_iterator): Remove.
6449 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6450 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6451 (fill_referenced_var_vec): Remove.
6452 (first_readonly_imm_use): Remove redundant gcc_assert.
6453 (phi_arg_index_from_use): Combine gcc_asserts.
6454 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6455 (first_imm_use_stmt): Remove redundant gcc_assert.
6456 * tree-cfg.c (verify_gimple_call): Verify function and chain
6457 operands. Verify arguments.
6458 (verify_types_in_gimple_stmt): Verify condition code and labels.
6460 2010-01-07 Richard Guenther <rguenther@suse.de>
6462 PR tree-optimization/42641
6463 * sese.c (rename_map_elt_info): Use the SSA name version, do
6466 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6468 PR tree-optimization/42625
6469 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6470 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6472 2010-01-07 Duncan Sands <baldrick@free.fr>
6474 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6476 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6479 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6480 note itself is not function_invariant_p.
6482 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6484 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6485 Do not add the DF_NOTE problem.
6486 * store-motion.c (execute_rtl_store_motion): Likewise.
6488 2010-01-07 Martin Jambor <mjambor@suse.cz>
6490 PR tree-optimization/42157
6491 * tree-sra.c (compare_access_positions): Stabilize sort if both
6492 accesses have integer types, return zero immediately if they are the
6495 2010-01-06 Richard Henderson <rth@redhat.com>
6498 * haifa-sched.c (add_to_note_list): Merge into ...
6499 (concat_note_lists): ... here, and ...
6500 (unlink_other_notes, rm_other_notes): Merge into...
6501 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6502 NOTE_INSN_EPILOGUE_BEG.
6504 2010-01-06 Richard Guenther <rguenther@suse.de>
6506 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6507 not inline regular functions into always-inline functions.
6509 2010-01-06 Nick Clifton <nickc@redhat.com>
6511 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6512 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6514 (OVERRIDE_OPTIONS): Delete.
6515 (OPTIMIZATION_OPTIONS): Define.
6516 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6517 * config/rx/rx.c (rx_handle_option): Issue an error message if
6518 -mcpu=rx200 and -fpu are used together.
6519 (rx_set_optimization_options): New function. Issue an error
6520 message if an optimization attribute attempts to reset the FPU/
6521 math optimization pairing.
6522 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6523 * config/rx/rx.opt: Set the default to 32-bit doubles.
6524 * config/rx/t-rx: Add multilibs for -nofpu option.
6525 * doc/invoke.texi: Update documentation of RX options.
6527 2010-01-06 Richard Guenther <rguenther@suse.de>
6529 * tree-ssa-pre.c (name_to_id): New global.
6530 (alloc_expression_id): Simplify SSA name handling.
6531 (lookup_expression_id): Likewise.
6532 (init_pre): Zero name_to_id.
6533 (fini_pre): Free it.
6535 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6537 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6539 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6542 * config/i386/sse.md (smaxv2di3): New.
6543 (umaxv2di3): Likewise.
6544 (sminv2di3): Likewise.
6545 (uminv2di3): Likewise.
6547 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6550 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6551 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6552 (legitimize_tls_address): Likewise.
6553 (sparc_tls_referenced_p): Likewise.
6554 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6555 and adjust calls to legitimize_pic_address.
6556 (legitimate_constant_p) Use sparc_tls_referenced_p.
6557 (legitimate_pic_operand_p): Likewise.
6558 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6559 (sparc_tls_symbol_ref_1): Delete.
6560 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6561 (legitimize_tls_address): Make static, handle CONST patterns.
6562 (legitimize_pic_address): Make static, remove unused parameter and
6563 adjust recursive calls.
6564 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6565 and adjust call to legitimize_pic_address.
6566 (sparc_output_mi_thunk): Likewise.
6568 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6569 H.J. Lu <hongjiu.lu@intel.com>
6572 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6573 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6574 operands to make them signed.
6577 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6580 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6581 GTU to GT for V4SI and V2DI.
6583 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6584 (umin<mode>3): Removed.
6586 (uminv4si3): Likewise.
6588 2010-01-05 Martin Jambor <mjambor@suse.cz>
6590 PR tree-optimization/42462
6591 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6592 current_function_decl to helper functions and macros.
6594 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6597 * flags.h: Don't include real.h.
6598 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6599 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6600 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6601 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6602 * dominance.c: Update copyright.
6603 * gimple.c (walk_gimple_op): Remove inline.
6604 * tree-ssa-reassoc.c: Include real.h.
6605 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6606 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6608 2010-01-05 Nick Clifton <nickc@redhat.com>
6610 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6611 register to push into the stack frame when the accumulator has to
6612 be saved during interrupts.
6614 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6616 * doc/invoke.texi: Remove the documentation about option
6618 * common.opt (Wunreachable-code): Preserved for backward
6620 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6621 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6622 the backward compatibility flag section.
6624 2010-01-05 Richard Guenther <rguenther@suse.de>
6626 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6628 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6631 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6633 PR tree-optimization/42508
6634 * tree-sra.c (convert_callers): Check for recursive call
6635 by comparing cgraph nodes instead of decls.
6636 (modify_function): Call ipa_modify_formal_parameters also
6637 on all same_body aliases.
6639 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6640 cgraph nodes when checking for same_body aliases.
6642 2010-01-05 Richard Guenther <rguenther@suse.de>
6644 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6645 allocation and lookup.
6646 (get_or_alloc_expr_for_constant): Likewise.
6647 (phi_translate): Sink allocation.
6649 2010-01-04 Richard Guenther <rguenther@suse.de>
6651 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6652 a new entry only if needed.
6653 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6654 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6656 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6658 (phi_translate): Handle CONSTANTs early.
6660 2010-01-04 Martin Jambor <mjambor@suse.cz>
6662 PR tree-optimization/42398
6663 * tree-sra.c (struct access): Removed flag grp_different_types.
6664 (dump_access): Do not dump the removed flag.
6665 (sort_and_splice_var_accesses): Do not set the removed flag.
6666 (sra_modify_expr): Check for type compatibility directly.
6668 2010-01-04 Martin Jambor <mjambor@suse.cz>
6670 PR tree-optimization/42366
6671 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6672 edges with variable number of parameters.
6673 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6674 flag instead of asserting it.
6675 (ipa_read_node_info): Read uses_analysis_done flag.
6677 2010-01-04 Richard Guenther <rguenther@suse.de>
6679 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6680 iterative_hash_* as intended.
6681 (vn_reference_compute_hash): Likewise. Simplify hashing
6683 (vn_reference_lookup_2): Likewise.
6684 (vn_nary_op_compute_hash): Likewise.
6685 (vn_phi_compute_hash): Likewise.
6686 (expressions_equal_p): Remove strange code.
6687 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6688 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6689 (bitmap_insert_into_set_1): Take value-id as parameter.
6690 (add_to_value): Pass it.
6691 (bitmap_insert_into_set): Likewise.
6692 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6694 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6697 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6698 (do_self_spec): For switches with SWITCH_IGNORE set set also
6699 SWITCH_IGNORE_PERMANENTLY.
6700 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6703 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
6705 * lto-streamer-out.c (output_unreferenced_globals): Output the full
6706 tree of an unreferenced global var.
6708 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6711 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6712 GTU to GT for V4SI and V2DI.
6714 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6715 (umin<mode>3): Removed.
6717 (uminv4si3): Likewise.
6719 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6722 * collect2.c (main): Turn on trace in collect2 if -v is passed
6725 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
6727 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
6728 description of expression operand.
6730 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
6732 * configure.ac: Add install-html to target_list for Make-hooks.
6733 * configure: Regenerate.
6734 * fortran/Make-lang.in (F95_HTMLFILES): New.
6735 (fortran.html): Use it.
6736 (fortran.install-html): New.
6737 * Makefile.in (install-html): Add lang.install-html.
6738 * java/Make-lang.in (JAVA_HTMLFILES): New.
6739 (java.html): Use it.
6740 (java.install-html): New.
6741 * objc/Make-lang.in (objc.install-html): New.
6742 * objcp/Make-lang.in (obj-c++.install-html): New.
6743 * cp/Make-lang.in (c++.install-html): New.
6744 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
6745 * lto/Make-lang.in (lto.install-html): New.
6747 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6750 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
6752 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
6754 PR rtl-optimization/41862
6755 * store-motion.c (store_killed_in_insn, compute_store_table,
6756 remove_reachable_equiv_notes, replace_store_insn,
6757 build_store_vectors): Ignore all DEBUG_INSNs.
6759 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
6762 * common.opt: Add dumpdir.
6764 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
6766 (option_map): Add --dumpdir.
6768 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
6770 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
6772 * opts.c (decode_options): Try dump_dir_name first if
6773 dump_base_name isn't an absolute path.
6774 (common_handle_option): Handle OPT_dumpdir.
6776 * toplev.c (dump_dir_name): New.
6777 (print_switch_values): Also ignore -dumpdir.
6779 * toplev.h (dump_dir_name): New.
6781 2010-01-03 Richard Guenther <rguenther@suse.de>
6783 PR tree-optimization/42589
6784 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
6785 double-word expansion of bswap32.
6787 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
6789 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
6790 with BLOCK_FOR_INSN.
6791 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
6792 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
6793 noce_process_if_block): Likewise.
6794 * gcse.c (compute_local_properties, insert_expr_in_table,
6795 insert_set_in_table, canon_list_insert, find_avail_set,
6796 pre_insert_copy_insn): Likewise.
6798 * basic-block.h (BLOCK_NUM): Move from here...
6799 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
6801 2010-01-03 Richard Guenther <rguenther@suse.de>
6803 PR tree-optimization/42438
6804 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
6805 contains_may_not_return_call flag.
6806 (BB_MAY_NOTRETURN): New.
6807 (valid_in_sets): Trapping nary operations are not valid
6808 in blocks that may not return.
6809 (insert_into_preds_of_block): Remove check for trapping expressions.
6810 (compute_avail): Compute also BB_MAY_NOTRETURN.
6812 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
6814 * doc/invoke.texi: Add 2010 to copyright years.
6816 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
6818 * config/sparc/sparc.c: Fix formatting nits.
6820 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
6821 Alexander Monakov <amonakov@ispras.ru>
6823 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
6825 2010-01-02 Richard Guenther <rguenther@suse.de>
6828 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
6829 (simplify_switch_using_ranges): Mark to be removed edges
6832 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6834 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
6836 * collect2.c (scan_libraries): Add missing argument in call to
6839 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
6842 * config/alpha/predicates.md (aligned_memory_operand): Return false
6844 (unaligned_memory_operand): Return true for CQImode.
6845 * config/alpha/alpha.c (get_aligned_mem): Assert that location
6846 doesn not cross aligned SImode word boundary.
6848 2010-01-02 Anatoly Sokolov <aesok@post.ru>
6850 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
6852 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
6853 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
6855 2010-01-02 Richard Guenther <rguenther@suse.de>
6858 * toplev.c (compile_file): Emit LTO marker properly. Change
6860 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
6862 2010-01-01 Richard Guenther <rguenther@suse.de>
6865 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
6867 2010-01-01 Richard Guenther <rguenther@suse.de>
6870 * c-decl.c (grokdeclarator): For zero-size arrays force
6871 structural equality checks as layout_type does.
6873 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6875 * builtins.c: Update copyright to 2010.
6877 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
6880 * lto-streamer-out.c (produce_asm): Revert the last change.
6881 (copy_function): Likewise.
6883 * lto-streamer.c (lto_get_section_name): Skip any leading
6886 2010-01-01 Richard Guenther <rguenther@suse.de>
6889 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
6893 Copyright (C) 2010 Free Software Foundation, Inc.
6895 Copying and distribution of this file, with or without modification,
6896 are permitted in any medium without royalty provided the copyright
6897 notice and this notice are preserved.