1 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
3 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
5 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
7 PR tree-optimization/41442
8 * fold-const.c (merge_truthop_with_opposite_arm): New function.
9 (fold_binary_loc): Call it.
11 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
13 * toplev.c (general_init): Set default for
14 fdiagnostics-show-option.
15 * opts.c (common_handle_option): Allow disabling it.
16 * common.opt (fdiagnostics-show-option): Add Var. Enabled by
19 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
21 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
22 between modes if both types are integral.
24 2010-04-23 Richard Guenther <rguenther@suse.de>
26 PR tree-optimization/43572
27 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
29 2010-04-23 Richard Guenther <rguenther@suse.de>
32 * tree-inline.c (tree_can_inline_p): Also check compatibility
35 2010-04-23 Martin Jambor <mjambor@suse.cz>
37 PR tree-optimization/43846
38 * tree-sra.c (struct access): New flag grp_assignment_read.
39 (build_accesses_from_assign): Set grp_assignment_read.
40 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
41 (enum mark_read_status): New type.
42 (analyze_access_subtree): Propagate grp_assignment_read, create
43 accesses also if both direct_read and root->grp_assignment_read.
45 2010-04-23 Martin Jambor <mjambor@suse.cz>
48 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
49 function does not have type attributes.
51 2010-04-23 Richard Guenther <rguenther@suse.de>
54 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
57 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
59 * sese.h (create_if_region_on_edge): Remove.
61 * sese.c (create_if_region_on_edge): Make static.
63 * tree-inline.c: Do not include ggc.h.
65 * expr.c: Do not include ggc.h.
67 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
70 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
73 * config/sh/sh.c (find_barrier): Don't emit a constant pool
74 in the middle of insns for casesi_worker_2.
76 2010-04-22 David Edelsohn <edelsohn@gnu.org>
78 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
80 2010-04-22 Ira Rosen <irar@il.ibm.com>
82 PR tree-optimization/43842
83 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
84 loop unrolling in update of exit phis. Fix comment.
85 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
86 least two reduction statements in the loop before starting SLP
89 2010-04-22 Nick Clifton <nickc@redhat.com>
91 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
93 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
95 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
98 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
100 * tree-parloops.c (loop_parallel_p): New argument
101 parloop_obstack. Pass it down.
102 (parallelize_loops): New variable parloop_obstack. Initialize it,
103 pass it down, free it.
105 * tree-loop-linear.c (linear_transform_loops): Pass down
108 * tree-data-ref.h (lambda_compute_access_matrices): New argument
109 of type struct obstack *.
111 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
112 scratch_obstack. Initialize it, pass down, free it.
114 * lambda.h (lambda_loop_new): Remove.
115 (lambda_matrix_new, lambda_matrix_inverse)
116 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
117 argument of type struct obstack *.
119 * lambda-trans.c (lambda_trans_matrix_new): New argument
120 lambda_obstack. Pass it down, use obstack allocation for ret.
121 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
124 * lambda-mat.c (lambda_matrix_get_column)
125 (lambda_matrix_project_to_null): Remove.
126 (lambda_matrix_new): New argument lambda_obstack. Use obstack
128 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
131 * lambda-code.c (lambda_loop_new): New function.
132 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
133 (lambda_compute_auxillary_space, lambda_compute_target_space)
134 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
135 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
136 (build_access_matrix): New argument lambda_obstack. Use obstack
138 (lambda_compute_step_signs, lambda_compute_access_matrices): New
139 argument lambda_obstack. Pass it down.
141 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
143 * optabs.h (expand_widening_mult): Declare.
145 2010-04-22 Richard Guenther <rguenther@suse.de>
147 PR tree-optimization/43845
148 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
149 lookup the CALL_EXPR function and arguments.
151 2010-04-22 Nick Clifton <nickc@redhat.com>
153 * config/stormy16/stormy16.c
154 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
155 * config/stormy16/stormy16.h: Tidy up formatting.
156 (DONT_USE_BUILTIN_SETJMP): Remove definition.
157 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
158 (ineqbranchsi): Delete pattern.
159 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
160 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
161 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
162 stormy16-lib2-ucmpsi2.c.
164 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
166 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
167 df_simulate_find_noclobber_defs as appropriate. Keep track of an
168 extra set merge_set_noclobber, and use it to relax the final test
170 * df.h (df_simulate_find_noclobber_defs): Declare.
171 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
173 (df_simulate_find_noclobber_defs): New function.
175 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
177 * config/i386/i386.md: Use {} around multi-line preparation statements.
179 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
181 * c-tree.h (push_init_level, pop_init_level, set_init_index)
182 (process_init_element): New argument of type struct obstack *.
184 * c-typeck.c (push_init_level, pop_init_level, set_designator)
185 (set_init_index, set_init_label, set_nonincremental_init)
186 (set_nonincremental_init_from_string, find_init_member)
187 (output_init_element, output_pending_init_elements)
188 (process_init_element): New argument braced_init_obstack. Pass it
190 (push_range_stack, add_pending_init): New argument
191 braced_init_obstack. Use obstack allocation.
193 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
194 braced_init_obstack. Pass it down.
195 (c_parser_braced_init): New variables ret, braced_init_obstack.
196 Initialize obstack, pass it down and finally free it.
198 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
201 * tree-pass.h (pass_optimize_widening_mul): Declare.
202 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
203 gate_optimize_widening_mul): New static functions.
204 (pass_optimize_widening_mul): New.
205 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New
207 <case MULT_EXPR>: Remove support for widening multiplies.
208 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
209 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
210 simplify_gen_unary rather than directly building extensions.
211 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
213 * expmed.c (expand_widening_mult): New function.
214 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
216 2010-04-21 Jan Hubicka <jh@suse.cz>
218 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
219 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
220 * lto-wpa-fixup.c: Remove.
221 * Makefile.in (lto-wpa-fixup.o): Remove.
222 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
223 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
224 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
226 2010-04-21 Jan Hubicka <jh@suse.cz>
228 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
229 add write_optimization_summary, read_optimization_summary.
230 (ipa_write_summaries_of_cgraph_node_set): Remove.
231 (ipa_write_optimization_summaries): Declare.
232 (ipa_read_optimization_summaries): Declare.
233 * ipa-cp.c (pass_ipa_cp): Update.
234 * ipa-reference.c (pass_ipa_reference): Update.
235 * ipa-pure-const.c (pass_ipa_pure_const): Update.
236 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
238 * ipa-inline.c (pass_ipa_inline): Update.
239 * ipa.c (pass_ipa_whole_program): Update.
240 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
241 * passes.c (ipa_write_summaries_1): Do not test wpa.
242 (ipa_write_optimization_summaries_1): New.
243 (ipa_write_optimization_summaries): New.
244 (ipa_read_summaries): Do not test ltrans.
245 (ipa_read_optimization_summaries_1): New.
246 (ipa_read_optimization_summaries): New.
248 2010-04-21 Jan Hubicka <jh@suse.cz>
250 * lto-cgraph.c (lto_output_node): Do not output comdat groups
252 (output_cgraph): Do not arrange comdat groups for boundary nodes.
254 2010-04-21 Jakub Jelinek <jakub@redhat.com>
257 * dwarf2out.c (add_name_and_src_coords_attributes): Add
258 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
260 2010-04-21 Jan Hubicka <jh@suse.cz>
262 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
264 2010-04-21 Jan Hubicka <jh@suse.cz>
266 * varpool.c (decide_is_variable_needed): Variable is always needed
269 2010-04-21 Jan Hubicka <jh@suse.cz>
271 * opts.c (decode_options): Enable pure-const pass for whopr.
273 2010-04-21 Jan Hubicka <jh@suse.cz>
275 * cgraph.c (dump_cgraph_node): Dump also assembler name.
276 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
278 (cgraph_decide_inlining): Do not expect callee to be removed in all
281 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
283 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
285 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
287 * config/i386/i386.md (x86_shrd): Add athlon_decode and
288 amdfam10_decode attributes.
290 2010-04-21 Jakub Jelinek <jakub@redhat.com>
293 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
294 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
295 (lower_copyprivate_clauses): Use private var in outer
296 context instead of original var. Make sure the types
297 are correct for VLAs.
299 2010-04-21 Richard Guenther <rguenther@suse.de>
301 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
302 to non-pointer objects.
304 2010-04-21 Jakub Jelinek <jakub@redhat.com>
306 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
307 last chain entry if it starts with the still current label.
308 (add_location_or_const_value_attribute): Check that
309 loc_list->first->next is NULL instead of comparing ->first with ->last.
310 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
311 to add_var_loc_to_decl.
313 * dwarf2out.c (output_call_frame_info): For dw_cie_version
314 >= 4 add also address size and segment size fields into CIE header.
316 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
317 long as address size is the same as sizeof (void *) and
319 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
320 address size or segment size is unexpected, return DW_EH_PE_omit.
321 (classify_object_over_fdes): If get_cie_encoding returned
322 DW_EH_PE_omit, return -1.
323 (init_object): If classify_object_over_fdes returned -1,
324 pretend there were no FDEs at all.
326 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
328 * config/i386/i386.md (bswap<mode>2): Macroize expander from
329 bswap{si,di}2 using SWI48 mode iterator.
330 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
331 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
332 set modrm attribute of bswap insn to 0 and remove length attribute.
333 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
334 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
335 set mode attribute to <MODE> and remove length attribute.
337 2010-04-20 James E. Wilson <wilson@codesourcery.com>
339 PR rtl-optimization/43520
340 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
341 zero available registers.
343 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
345 * builtins.c (fold_builtin_cproj): Fold more cases.
347 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
349 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
350 (fold_builtin_1): Fold builtin cproj.
351 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
352 Use ATTR_CONST_NOTHROW_LIST.
354 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
356 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
357 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
358 ffsi2_no_cmove for !TARGET_CMOVE.
359 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
360 (ffssi2): Remove expander.
361 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
363 (ctz<mode>2): Ditto from ctz{si,di}2.
364 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
366 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
369 2010-04-20 Jakub Jelinek <jakub@redhat.com>
371 * dwarf2out.c (AT_linkage_name): Define.
372 (clone_as_declaration): Handle DW_AT_linkage_name.
373 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
374 of DW_AT_MIPS_linkage_name.
375 (move_linkage_attr): Likewise.
376 (dwarf2out_finish): Likewise.
378 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
381 * fold-const.c (fold_comparison): New folding rule.
383 2010-04-20 Anatoly Sokolov <aesok@post.ru>
385 * double-int.h (double_int_setbit): Declare.
386 * double-int.c (double_int_setbit): New function.
387 * rtl.h (immed_double_int_const): Declare.
388 * emit-rtl.c (immed_double_int_const): New function.
389 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
390 and immed_double_int_const functions.
391 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
392 expand_copysign_bit): (Ditto.).
393 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
394 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
395 * dojump.c (prefer_and_bit_test): (Ditto.).
396 * expr.c (convert_modes, reduce_to_bit_field_precision,
397 const_vector_from_tree): (Ditto.).
398 * expmed.c (mask_rtx, lshift_value): (Ditto.).
400 2010-04-20 Jan Hubicka <jh@suse.cz>
402 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
403 (dump_cgraph_node): Dump new flags.
404 * cgraph.h (struct cgraph_node): Add flags
405 reachable_from_other_partition and in_other_partition.
406 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
407 other partition can not be removed.
408 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
409 the other partition must be output; silence sanity checking on
410 leaking functions bodies from other paritition.
411 * lto-cgraph.c (reachable_from_other_partition_p): New function.
412 (lto_output_node): Output new flags; do not sanity check that inline
413 clones are output; drop lto_forced_extern_inline_p code; do not mock
414 visibility flags at partition boundaries.
415 (add_node_to): New function.
416 (output_cgraph): Use it to sort functions so masters appear before
418 (input_overwrite_node): Input new flags.
419 * passes.c (ipa_write_summaries): Do not call
420 lto_new_extern_inline_states.
421 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
422 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
423 lto_forced_extern_inline_p): Kill.
424 * lto-streamer.h (lto_new_extern_inline_states,
425 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
426 lto_forced_extern_inline_p): Kill.
428 2010-04-20 Richard Guenther <rguenther@suse.de>
430 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
431 from vars that can have pointers.
432 (process_constraint): Dump useless constraints.
434 2010-04-20 Richard Guenther <rguenther@suse.de>
436 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
437 (dump_sa_points_to_info): Remove asserts.
438 (init_base_vars): nothing_id isn't an escape point nor does it
441 2010-04-20 Jakub Jelinek <jakub@redhat.com>
443 * tree.h (TYPE_REF_IS_RVALUE): Define.
444 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
445 should_move_die_to_comdat, prune_unused_types_walk): Handle
446 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
447 (modified_type_die, gen_reference_type_die): Emit
448 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
449 if TYPE_REF_IS_RVALUE and -gdwarf-4.
451 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
454 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
455 calls for -fpic -m31 if they have been sibcall optimized.
457 2010-04-19 James E. Wilson <wilson@codesourcery.com>
459 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
460 ar.lc fixed and call-used.
462 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
464 2010-04-19 Jan Hubicka <jh@suse.cz>
466 * opts.c (decode_options): Disable whpr incompatible passes.
467 * lto/lto.c (lto_1_to_1_map): Skip clones.
468 (read_cgraph_and_symbols): Do not mark everything as needed.
469 (do_whole_program_analysis): Do map only after optimizing;
470 set proper cgraph_state; use passmanager.
472 2010-04-19 DJ Delorie <dj@redhat.com>
474 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
475 POINTER_PLUS_EXPR and fix them.
477 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
479 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
480 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
481 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
482 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
483 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
484 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
485 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
486 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
487 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
488 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
489 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
491 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
493 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
494 (check_cond_move_block): Likewise.
495 (cond_move_process_if_block): Likewise.
496 (noce_find_if_block): Improve formatting.
497 (find_if_header): Pass 0 to memset and tweak conditions.
498 (cond_exec_find_if_block): Fix long lines and tweak conditions.
500 2010-04-19 Jakub Jelinek <jakub@redhat.com>
502 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
506 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
507 with non-local decl doesn't need chain.
509 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
511 * ira-color.c (allocno_reload_assign): Avoid accumulating
512 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
514 2010-04-19 Martin Jambor <mjambor@suse.cz>
516 * gimple.h (create_tmp_reg): Declare.
517 * gimplify.c (create_tmp_reg): New function.
518 (gimplify_return_expr): Use create_tmp_reg.
519 (gimplify_omp_atomic): Likewise.
520 (gimple_regimplify_operands): Likewise.
521 * tree-dfa.c (make_rename_temp): Likewise.
522 * tree-predcom.c (predcom_tmp_var): Likewise.
523 (reassociate_to_the_same_stmt): Likewise.
524 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
525 (get_replaced_param_substitute): Likewise.
526 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
527 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
528 * tree-ssa-pre.c (get_representative_for): Likewise.
529 (create_expression_by_pieces): Likewise.
530 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
531 (create_tailcall_accumulator): Likewise.
533 2010-04-19 Martin Jambor <mjambor@suse.cz>
535 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
537 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
539 2010-04-19 Richard Guenther <rguenther@suse.de>
541 PR tree-optimization/43796
542 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
543 from SCEV in the lattice.
544 (vrp_visit_phi_node): Dump change.
546 2010-04-19 Richard Guenther <rguenther@suse.de>
548 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
549 * configure: Re-generated.
551 2010-04-19 Richard Guenther <rguenther@suse.de>
553 PR tree-optimization/43783
554 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
555 constant ARRAY_REF operands two and three if possible.
557 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
560 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
562 2010-04-19 Jie Zhang <jie@codesourcery.com>
565 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
567 2010-04-19 Ira Rosen <irar@il.ibm.com>
569 PR tree-optimization/37027
570 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
571 and macro to access it.
572 (vectorizable_reduction): Add argument.
573 (vect_get_slp_defs): Likewise.
574 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
575 statements for possible use in SLP.
576 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
577 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
578 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
580 (vectorizable_reduction): Likewise.
581 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
583 (vectorizable_type_demotion, vectorizable_type_promotion,
584 vectorizable_store): Likewise.
585 (vect_analyze_stmt): Update call to vectorizable_reduction.
586 (vect_transform_stmt): Likewise.
587 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
588 (vect_build_slp_tree): Fix indentation. Check that there are no loads
589 from different interleaving chains in same node.
590 (vect_slp_rearrange_stmts): New function.
591 (vect_supported_load_permutation_p): Allow load permutations for
592 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
593 inside SLP nodes if necessary.
594 (vect_analyze_slp_instance): Handle reductions.
595 (vect_analyze_slp): Try to build SLP instances originating from groups
597 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
598 (vect_get_constant_vectors): Create initial vectors for reductions
599 according to reduction code. Add new argument.
600 (vect_get_slp_defs): Add new argument, pass it to
601 vect_get_constant_vectors.
602 (vect_schedule_slp_instance): Remove SLP tree root statements.
604 2010-04-19 Jakub Jelinek <jakub@redhat.com>
606 * tree.h (ENUM_IS_SCOPED): Define.
607 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
608 for ENUM_IS_SCOPED enums.
610 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
612 * fold-const.c (fold_comparison): Use ssizetype.
613 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
614 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
615 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
616 * tree-object-size.c (compute_object_sizes): Use size_type_node.
618 * tree.h (initialize_sizetypes): Remove parameter.
619 (build_common_tree_nodes): Remove second parameter.
620 * stor-layout.c (initialize_sizetypes): Remove parameter.
621 Always create an unsigned type.
622 (set_sizetype): Assert that the passed type is unsigned and simplify.
623 * tree.c (build_common_tree_nodes): Remove second parameter.
624 Adjust call to initialize_sizetypes.
625 * c-decl.c (c_init_decl_processing): Remove second argument in call to
626 build_common_tree_nodes.
628 2010-04-18 Matthias Klose <doko@ubuntu.com>
630 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
632 2010-04-18 Ira Rosen <irar@il.ibm.com>
634 PR tree-optimization/43771
635 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
636 load permutation doesn't have gaps.
638 2010-04-18 Jan Hubicka <jh@suse.cz>
640 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
641 (sse_prologue_save_insn expander): Use new pattern.
642 (sse_prologue_save_insn1): New pattern and splitter.
643 (sse_prologue_save_insn): Update to deal also with 64bit aligned
645 * i386.c (setup_incoming_varargs_64): Do not compute jump
647 (ix86_gimplify_va_arg): Update alignment needed.
648 (ix86_local_alignment): Do not align all local arrays to 128bit.
650 2010-04-17 Jan Hubicka <jh@suse.cz>
652 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
654 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
656 * arm.md (negdi2): Remove redundant code to force values into a
659 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
661 * arm/bpabi.S: Add EABI alignment attributes to objects.
662 * arm/bpabi-v6m.S: Likewise.
663 * arm/crti.asm: Likewise.
664 * arm/crtn.asm: Likewise.
665 * arm/lib1funcs.asm: Likewise.
666 * arm/libunwind.S: Likewise.
668 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
670 * arm-protos.h (tune_params): New structure.
671 * arm.c (current_tune): New variable.
672 (arm_constant_limit): Delete.
673 (struct processors): Add pointer to the tune parameters.
674 (arm_slowmul_tune): New tuning option.
675 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
676 (all_cores): Adjust to pick up the tuning model.
677 (arm_constant_limit): New function.
678 (arm_override_options): Select the appropriate tuning model. Delete
679 initialization of arm_const_limit.
680 (arm_split_constant): Use the new constant-limit model.
681 (arm_rtx_costs): Pick up the current tuning model.
682 * arm.md (is_strongarm, is_xscale): Delete.
683 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
684 for Xscale variant architectures.
685 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
687 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
689 * config/arm/arm.c (arm_gen_constant): Remove unused variable
691 (arm_rtx_costs_1): Remove unused variable extra_cost.
692 (arm_unwind_emit_set): Use variable offset.
693 (thumb1_output_casesi): Remove unused variable flags.
695 2010-04-16 Jeff Law <law@redhat.com>
697 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
698 needing assignment rather than doing a two-phase assignment. Remove
701 2010-04-16 Jakub Jelinek <jakub@redhat.com>
704 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
706 2010-04-16 Doug Kwan <dougkwan@google.com>
708 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
709 (next_operand_entry_id): New static variable.
710 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
711 (add_to_ops_vec): Assigned unique ID to operand entry.
712 (struct oecount_s): New field ID.
713 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
714 (undistribute_ops_list): Assign unique IDs to oecounts.
715 (init_reassoc): reset next_operand_entry_id.
717 2010-04-16 Doug Kwan <dougkwan@google.com>
719 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
720 missing left parenthesis.
722 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
724 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
725 *btdi_rex64 using SWI48 mode iterator.
726 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
727 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
728 *jcc_btdi_mask_rex64.
730 2010-04-16 Anatoly Sokolov <aesok@post.ru>
732 * double-int.h (tree_to_double_int): Convert to macro.
733 * double-int.c (tree_to_double_int): Remove.
735 2010-04-16 Jakub Jelinek <jakub@redhat.com>
738 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
739 with want_address 2 and in case a single element list might be
740 possible, call it again with want_address 0.
742 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
744 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
745 case 'W' print operands for HI mode.
746 * config/h8300/h8300.h (Y0, Y2) : New constraints.
747 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
748 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
749 * config/h8300/predicate.md (bit_register_indirect_operand): New.
751 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
753 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
754 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
755 #xx:3 and #xx:4 mode.
757 * config/h8300/h8300.md (inverted load with HImode dest): Add
760 * config/h8300/predicate.md (bit_operand): Allow immediate values that
761 satisfy 'U' constraint.
763 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
765 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
766 * configure: Regenerate.
767 * config.in: Regenerate.
768 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
771 2010-04-16 Richard Guenther <rguenther@suse.de>
773 * tree.h (struct tree_decl_minimal): Move pt_uid ...
774 (struct tree_decl_common): ... here.
775 (DECL_PT_UID): Adjust.
776 (SET_DECL_PT_UID): Likewise.
777 (DECL_PT_UID_SET_P): Likewise.
779 2010-04-16 Richard Guenther <rguenther@suse.de>
781 PR tree-optimization/43572
782 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
783 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
784 * tree-flow.h (is_call_clobbered): Remove.
785 * tree-flow-inline.h (is_call_clobbered): Likewise.
786 * tree-dfa.c (dump_variable): Do not dump call clobber state.
787 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
788 (execute_return_slot_opt): Adjust.
789 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
790 check for call clobbered vars here.
791 (find_tail_calls): Move tailcall verification to the
794 2010-04-16 Diego Novillo <dnovillo@google.com>
796 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
798 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
801 * config/arm/arm.md (cbranchqi4): New pattern.
802 * config/arm/predicates.md (const0_operand,
803 cbranchqi4_comparison_operator): New predicates.
805 2010-04-16 Richard Guenther <rguenther@suse.de>
807 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
808 (dump_gimple_stmt): Likewise.
810 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
812 * recog.h (struct recog_data): New field is_operator.
813 (struct insn_operand_data): New field is_operator.
814 * recog.c (extract_insn): Set recog_data.is_operator.
815 * genoutput.c (output_operand_data): Emit code to set the
817 * reload.c (find_reloads): Use it rather than testing for an
818 empty constraint string.
821 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
822 If the previous insn is a cbranchsi4_insn with the same arguments,
823 omit the compare instruction.
825 * config/arm/arm.md (addsi3_cbranch): If destination is a high
826 register, inputs must be low registers and we need a low register
827 scratch. Handle alternative 2 like alternative 3.
829 2010-04-16 Jakub Jelinek <jakub@redhat.com>
831 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
832 don't call get_addr on both. If one expression is a VALUE and
833 the other a REG, check VALUE's locs if the REG isn't among them.
835 2010-04-16 Christian Bruel <christian.bruel@st.com>
837 * config/sh/sh.h (sh_frame_pointer_required): New function.
838 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
839 (flag_omit_frame_pointer) Set.
840 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
841 (rounded_frame_size): Adjust size with outgoing_args_size.
842 (sh_set_return_address): Must return from stack pointer.
843 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
844 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
845 (ACCUMULATE_OUTGOING_ARGS): Define.
846 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
847 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
849 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
852 * config/sh/sh.c (sh_legitimize_reload_address): Use
853 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
854 Remove a unneeded check for offset_base.
856 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
858 * configure: Regenerated.
860 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
862 * config/s390/s390.c (s390_call_save_register_used): Switch back
865 2010-04-15 Richard Guenther <rguenther@suse.de>
867 * alias.c (alias_set_subset_of): Handle alias-set zero
870 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
871 Julian Brown <julian@codesourcery.com>
873 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
874 alternatives according to use of high and low regs.
875 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
876 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
877 optimizing for size on Thumb-2.
879 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
881 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
883 2010-04-15 Richard Guenther <rguenther@suse.de>
885 * tree-ssa-structalias.c (struct variable_info): Add
887 (new_var_info): Initialize it.
888 (dump_constraints): Support printing last added constraints.
889 (debug_constraints): Adjust.
890 (dump_constraint_graph): Likewise.
891 (make_heapvar_for): Check for NULL cfun.
892 (get_function_part_constraint): New function.
893 (get_fi_for_callee): Likewise.
894 (find_func_aliases): Properly implement IPA PTA constraints.
895 (process_ipa_clobber): New function.
896 (find_func_clobbers): Likewise.
897 (insert_into_field_list_sorted): Remove.
898 (create_function_info_for): Properly allocate vars for IPA mode.
899 Do not use insert_into_field_list_sorted.
900 (create_variable_info_for): Properly generate constraints for
901 global vars in IPA mode.
902 (dump_solution_for_var): Always dump the solution.
903 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
904 (find_what_var_points_to): Adjust.
905 (pt_solution_set): Change.
906 (pt_solution_ior_into): New function.
907 (pt_solution_empty_p): Export.
908 (pt_solution_includes_global): Adjust.
909 (pt_solution_includes_1): Likewise.
910 (pt_solutions_intersect_1): Likewise.
911 (dump_sa_points_to_info): Check some invariants.
912 (solve_constraints): Move constraint dumping ...
913 (compute_points_to_sets): ... here.
914 (ipa_pta_execute): ... and here.
915 (compute_may_aliases): Do not re-compute points-to info
916 locally if IPA info is available.
917 (ipa_escaped_pt): New global var.
918 (ipa_pta_execute): Properly implement IPA PTA.
919 * tree-into-ssa.c (dump_decl_set): Support dumping
920 decls not in referenced-vars.
921 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
922 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
923 (dump_points_to_solution): Likewise.
924 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
925 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
926 (remap_gimple_stmt): Reset call clobber/use information if necessary.
927 (copy_decl_to_var): Copy DECL_PT_UID.
928 (copy_result_decl_to_var): Likewise.
929 * tree.c (make_node_stat): Initialize DECL_PT_UID.
930 (copy_node_stat): Copy it.
931 * tree.h (DECL_PT_UID): New macro.
932 (SET_DECL_PT_UID): Likewise.
933 (DECL_PT_UID_SET_P): Likewise.
934 (struct tree_decl_minimal): Add pt_uid member.
935 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
936 (pt_solution_empty_p): Declare.
937 (pt_solution_set): Adjust.
938 (ipa_escaped_pt): Declare.
939 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
940 * gimple-pretty-print.c (pp_points_to_solution): New function.
941 (dump_gimple_call): Dump call clobber/use information.
942 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
943 * tree-pass.h (TDF_ALIAS): New dump option.
944 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
945 * doc/invoke.texi (-fipa-pta): Update documentation.
947 2010-04-15 Richard Guenther <rguenther@suse.de>
949 * Makefile.in (OBJS-common): Add gimple-fold.o.
950 (gimple-fold.o): New rule.
951 * tree.h (maybe_fold_offset_to_reference,
952 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
954 * gimple.h: ... here.
955 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
956 may_propagate_address_into_dereference): Move prototypes ...
957 * gimple.h: ... here.
958 * tree-ssa-ccp.c (get_symbol_constant_value,
959 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
960 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
961 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
962 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
963 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
964 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
965 gimplify_and_update_call_from_tree): Move ...
966 * gimple-fold.c: ... here. New file.
967 (ccp_fold_builtin): Rename to ...
968 (gimple_fold_builtin): ... this.
969 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
971 2010-04-15 Richard Guenther <rguenther@suse.de>
973 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
974 fit_double_type, force_fit_type_double, add_double_with_sign,
975 neg_double, mul_double_with_sign, lshift_double, rshift_double,
976 lrotate_double, rrotate_double, div_and_round_double): Move ...
977 * double-int.c: ... here.
978 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
979 add_double, neg_double, mul_double_with_sign, mul_double,
980 lshift_double, rshift_double, lrotate_double, rrotate_double,
981 div_and_round_double): Move prototypes ...
982 * double-int.h: ... here.
984 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
987 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
988 matching constraints to ensure inputs match the output.
990 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
993 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
994 in an input-only operand.
996 2010-04-15 Anatoly Sokolov <aesok@post.ru>
998 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
999 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1000 (double_int_negative_p): Convert to static inline function.
1001 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1002 (double_int_negative_p): Remove.
1003 * tree.h (lshift_double, rshift_double):
1004 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1005 * fold-const.c (fold_convert_const_int_from_real,
1006 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1007 (lshift_double): Change type of arith argument to bool.
1008 (rshift_double): Change type of arith argument to bool. Correct
1010 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1012 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1015 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1016 at the start and end of the then/else blocks, and omit them from the
1018 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1019 argument; all callers changed. Pass zero to old_insns_match_p instead.
1020 (flow_find_head_matching_sequence): New function.
1021 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1022 * basic-block.h (flow_find_cross_jump,
1023 flow_find_head_matching_sequence): Declare functions.
1025 2010-04-14 Jason Merrill <jason@redhat.com>
1028 * c-common.c (attribute_takes_identifier_p): New fn.
1029 * c-common.h: Declare it.
1031 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1033 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1035 (*udivmod<mode>4): Ditto.
1037 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1039 * config/i386/i386.md (maxmin_int): Rename code attribute from
1040 maxminiprefix and update all users.
1041 (maxmin_float): Ditto from maxminfprefix.
1042 (logic): Ditto from logicprefix.
1043 (absneg_mnemonic): Ditto from absnegprefix.
1044 * config/i386/mmx.md: Update all users of maxminiprefix,
1045 maxminfprefix and logicprefix for rename.
1046 * config/i386/sse.md: Ditto.
1047 * config/i386/sync.md (sync_<code><mode>): Update for
1050 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1053 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1054 warnings converted to errors.
1056 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1058 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1059 used insn_type variable.
1060 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1061 to avoid set-but-not-used warning.
1063 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1065 * df-core.c (df_ref_debug): Change format string placeholder
1067 * dwarf2asm.c (dw2_asm_output_data_raw,
1068 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1069 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1070 * dwarf2out.c (output_cfi, output_cfi_directive,
1071 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1072 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1074 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1075 * print-rtl.c (print_rtx): Ditto.
1077 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1080 * builtins.c (expand_builtin_pow_root): New function to expand pow
1081 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1082 series of sqrt and cbrt calls under -ffast-math.
1083 (expand_builtin_pow): Call it.
1085 2010-04-14 Michael Matz <matz@suse.de>
1087 PR tree-optimization/42963
1088 * tree-cfg.c (touched_switch_bbs): New static variable.
1089 (group_case_labels_stmt): New function broken out from ...
1090 (group_case_labels): ... here, use the above.
1091 (start_recording_case_labels): Allocate touched_switch_bbs.
1092 (end_recording_case_labels): Deallocate it, call
1093 group_case_labels_stmt.
1094 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1096 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1098 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1101 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1103 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1105 2010-04-13 Jan Hubicka <jh@suse.cz>
1107 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1108 of optimized out static functions.
1109 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1110 cost computation. Also sanity check for overflows.
1111 (update_caller_keys): Update cgraph_edge_badness call; properly
1112 update fibheap and sanity check that it is up to date.
1113 (add_new_edges_to_heap): Update cgraph_edge_badness.
1114 (cgraph_decide_inlining_of_small_function): Likewise;
1115 add sanity checking that badness in heap is up to date;
1116 improve dumping of reason; Update badness of calls to the
1117 offline copy of function currently inlined; dump badness
1118 of functions not inlined because of unit growth limits.
1120 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1123 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1124 because of sign-extension change when converting to sizetype here...
1125 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1127 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1128 the folding to constants. Remove redundant final conversion.
1129 (fold_binary) <associate>: Do not associate if the re-association of
1130 constants alone overflows.
1131 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1132 to the end of the list.
1133 (multiple_of_p) <COND_EXPR>: New case.
1135 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1137 * opt-functions.awk (opt_sanitized_name): New.
1139 * optc-gen.awk: Use it
1140 * opth-gen.awk: Use it.
1142 2010-04-13 Martin Jambor <mjambor@suse.cz>
1144 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1145 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1146 children. Call replace_uses_with_default_def_ssa_name to handle
1149 2010-04-13 Michael Matz <matz@suse.de>
1152 * builtins.c (expand_builtin_interclass_mathfn): Also create
1153 a register if the predicate doesn't match.
1155 2010-04-13 Diego Novillo <dnovillo@google.com>
1157 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1158 * c-pch.c: Include timevar.h.
1159 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1160 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1161 * ggc-common.c: Include timevar.h.
1162 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1163 * timevar.def (TV_PCH_SAVE): Define.
1164 (TV_PCH_CPP_SAVE): Define.
1165 (TV_PCH_PTR_REALLOC): Define.
1166 (TV_PCH_PTR_SORT): Define.
1167 (TV_PCH_RESTORE): Define.
1168 (TV_PCH_CPP_RESTORE): Define.
1170 2010-04-13 Michael Matz <matz@suse.de>
1172 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1174 (can_reassociate_p): New function.
1175 (break_up_subtract_bb, reassociate_bb): Use it.
1177 2010-04-13 Richard Guenther <rguenther@suse.de>
1180 * builtins.c (c_readstr): Fix assert.
1182 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1184 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1185 when generating cltd insn.
1187 (*ashl<mode>3_1): Remove special handling for register operand 2.
1188 (*ashlsi3_1_zext): Ditto.
1189 (*ashlhi3_1): Ditto.
1190 (*ashlhi3_1_lea): Ditto.
1191 (*ashlqi3_1): Ditto.
1192 (*ashlqi3_1_lea): Ditto.
1193 (*<shiftrt_insn><mode>3_1): Ditto.
1194 (*<shiftrt_insn>si3_1_zext): Ditto.
1195 (*<shiftrt_insn>qi3_1_slp): Ditto.
1196 (*<rotate_insn><mode>3_1): Ditto.
1197 (*<rotate_insn>si3_1_zext): Ditto.
1198 (*<rotate_insn>qi3_1_slp): Ditto.
1200 2010-04-13 Richard Guenther <rguenther@suse.de>
1202 * tree-ssa-structalias.c (callused_id): Remove.
1203 (call_stmt_vars): New.
1204 (get_call_vi): Likewise.
1205 (lookup_call_use_vi): Likewise.
1206 (lookup_call_clobber_vi): Likewise.
1207 (get_call_use_vi): Likewise.
1208 (get_call_clobber_vi): Likewise.
1209 (make_transitive_closure_constraints): Likewise.
1210 (handle_const_call): Adjust to do per-call call-used handling.
1211 (handle_pure_call): Likewise.
1212 (find_what_var_points_to): Remove general callused handling.
1213 (init_base_vars): Likewise.
1214 (init_alias_vars): Initialize call_stmt_vars.
1215 (compute_points_to_sets): Process call-used and call-clobbered
1216 vars for call statements.
1217 (delete_points_to_sets): Free call_stmt_vars.
1219 2010-04-13 Richard Guenther <rguenther@suse.de>
1221 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1222 Only add RW dependence for dependence distance zero.
1223 Adjust maximal vectorization factor according to dependences.
1224 Move alignment handling ...
1225 (vect_find_same_alignment_drs): ... here. New function.
1226 (vect_analyze_data_ref_dependences): Adjust.
1227 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1228 (vect_analyze_data_refs): Adjust minimal vectorization factor
1229 according to data references.
1230 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1231 dependences before determining the vectorization factor.
1232 Analyze alignment after determining the vectorization factor.
1233 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1234 dependences before alignment.
1235 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1237 (vect_analyze_data_refs): Likewise.
1238 (MAX_VECTORIZATION_FACTOR): New define.
1240 2010-04-13 Duncan Sands <baldrick@free.fr>
1242 * except.h (lang_eh_type_covers): Remove.
1243 * except.c (lang_eh_type_covers): Likewise.
1245 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1246 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1248 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1249 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1250 UNITS_PER_LONG where it is ABI relevant.
1251 (s390_return_addr_rtx): Likewise.
1252 (s390_back_chain_rtx): Likewise.
1253 (s390_frame_area): Likewise.
1254 (s390_frame_info): Likewise.
1255 (s390_initial_elimination_offset): Likewise.
1256 (save_gprs): Likewise.
1257 (s390_emit_prologue): Likewise.
1258 (s390_emit_epilogue): Likewise.
1259 (s390_function_arg_advance): Likewise.
1260 (s390_function_arg): Likewise.
1261 (s390_va_start): Likewise.
1262 (s390_gimplify_va_arg): Likewise.
1263 (s390_function_profiler): Likewise.
1264 (s390_optimize_prologue): Likewise.
1265 (s390_rtx_costs): Likewise.
1266 (s390_secondary_reload): Likewise.
1267 (s390_promote_function_mode): Likewise.
1268 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1269 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1270 registers available.
1271 (s390_unwind_word_mode): New function.
1272 (s390_function_value): Split 64 bit values into register pair if
1273 used as return value.
1274 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1275 function call parameters. Handle parallels.
1276 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1277 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1278 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1279 (s390_expand_setmem): Remove unused variable src_addr.
1280 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1281 deal with 64 bit registers.
1282 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1283 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1284 (UNITS_PER_LONG): New macro.
1285 * libjava/include/s390-signal.h: Define extended ucontext
1286 structure containing the upper halfs of the 64 bit registers.
1288 2010-04-13 Simon Baldwin <simonb@google.com>
1290 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1292 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1294 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1295 rvalue on the RHS if the LHS is of a non-renamable type.
1296 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1298 2010-04-13 Matthias Klose <doko@ubuntu.com>
1300 * gcc.c (cc1_options): Handle -iplugindir before processing
1301 the cc1 spec. Only add -iplugindir once.
1302 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1304 * common.opt (iplugindir): Remove `Separate' property, initialize.
1305 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1307 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1308 (distclean): Remove plugin dir.
1309 * doc/invoke.texi: Document -iplugindir.
1311 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1313 * doc/plugins.texi (Loading Plugins): Document short
1314 -fplugin=foo option.
1315 (Plugin API): Mention default_plugin_dir_name function.
1317 * gcc.c (find_file_spec_function): Add new declaration.
1318 (static_spec_func): Use it for "find-file".
1319 (find_file_spec_function): Add new function.
1320 (cc1_options): Add -iplugindir option if -fplugin* options found.
1322 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1324 * plugin.c (add_new_plugin): Updated comment, and handle short
1326 (default_plugin_dir_name): Added new function.
1328 * common.opt (iplugindir): New option to set the plugin directory.
1330 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1332 * config/i386/i386.md (any_rotate): New code iterator.
1333 (rotate_insn): New code attribute.
1335 (SWIM124): New mode iterator.
1336 (<rotate_insn>ti3): New expander.
1337 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1338 any_rotate code iterator.
1339 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1340 using any_rotate code iterator and SWIM124 mode iterator.
1341 (ix86_rotlti3): New insn_and_split pattern.
1342 (ix86_rotrti3): Ditto.
1343 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1344 ix86_rotl{di,ti}3 patterns.
1345 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1346 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1347 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1348 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1349 code iterator and SWI mode iterator.
1350 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1351 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1353 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1354 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1355 (bswap rotatert splitter): Add splitter.
1356 (bswap splitter): Macroize splitter using any_rotate code iterator.
1357 Add insn predicate to split only for TARGET_USE_XCHGB or when
1358 optimizing function for size.
1360 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1362 * config/pa/pa.c (emit_move_sequence): Remove use of
1363 deleted variable flag_argument_noalias.
1365 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1367 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1369 Add to unsupported targets list.
1370 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1371 sparc*-sun-solaris2.[567]* from target lists.
1372 * configure: Regenerate.
1373 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1375 Remove Solaris 7 patch references.
1376 (Specific, sparc-sun-solaris2.7): Removed.
1377 (sparc-sun-solaris2*): Update Solaris 7 example.
1378 (sparc64-*-solaris2*): Likewise.
1380 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1382 * config.build (alpha*-dec-osf4*): Remove.
1383 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1384 of obsolete configurations.
1385 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1387 * config/alpha/t-osf4: Renamed to ...
1388 * config/alpha/t-osf5: ... this.
1389 * config/alpha/osf.h: Renamed to ...
1390 * config/alpha/osf5.h: ... this.
1391 Merged old osf5.h contents.
1393 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1394 (EXTRA_SPECS): Removed.
1395 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1396 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1399 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1401 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1403 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1406 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1407 __thiscall convention.
1409 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1411 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1413 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1415 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1417 * function.c (assign_parms_initialize_all): Add unused attribute
1420 2010-04-12 Richard Guenther <rguenther@suse.de>
1422 * gsstruct.def (GSS_CALL): New.
1423 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1424 * gimple.h: Include tree-ssa-alias.h.
1425 (struct gimple_statement_call): New.
1426 (union gimple_statement_struct_d): Add gimple_call member.
1427 (gimple_call_reset_alias_info): Declare.
1428 (gimple_call_use_set): New function.
1429 (gimple_call_clobber_set): Likewise.
1430 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1431 * gimple.c (gimple_call_reset_alias_info): New function.
1432 (gimple_build_call_1): Call it.
1433 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1434 * tree-inline.c (remap_gimple_stmt): Likewise.
1435 (expand_call_inline): Remove callused handling.
1436 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1437 * tree-dfa.c (dump_variable): Likewise.
1438 * tree-parloops.c (parallelize_loops): Likewise.
1439 * tree-ssa.c (init_tree_ssa): Likewise.
1440 (delete_tree_ssa): Likewise.
1441 * tree-flow-inline.h (is_call_used): Remove.
1442 * tree-flow.h (struct gimple_df): Remove callused member.
1443 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1444 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1445 (ref_maybe_used_by_call_p_1): Simplify.
1446 (call_may_clobber_ref_p_1): Likewise.
1447 * tree-ssa-structalias.c (compute_points_to_sets): Set
1448 the call stmt used and clobbered sets.
1449 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1450 (find_tail_calls): Verify the tail call.
1452 2010-04-12 Richard Guenther <rguenther@suse.de>
1454 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1455 single-iteration always-inline inlining.
1456 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1457 (cgraph_decide_inlining): Do not handle always-inline specially.
1458 (try_inline): Remove always-inline cycle detection special case.
1459 Do not recurse on always-inlines.
1460 (cgraph_early_inlining): Do not iterate if not optimizing.
1461 (cgraph_gate_early_inlining): remove.
1462 (pass_early_inline): Run unconditionally.
1463 (gate_cgraph_decide_inlining): New function.
1464 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1465 not inlining or optimizing.
1466 (cgraph_decide_inlining_of_small_functions): Also consider
1467 always-inline functions.
1468 (cgraph_default_inline_p): Return true for nodes which should
1469 disregard inline limits.
1470 (estimate_function_body_sizes): Assume zero size and time for
1471 nodes which are marked as disregarding inline limits.
1472 (cgraph_decide_recursive_inlining): Do not perform recursive
1473 inlining on always-inline nodes.
1475 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1478 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1479 for exprs satisfying handled_component_p.
1481 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1483 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1484 non-constant aggregate elements.
1486 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1487 is a real initialization.
1489 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1492 * c-decl.c (start_function): Move forward check for nested function.
1494 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1496 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1497 * config/sh/sh.c: Include reload.h.
1498 (sh_legitimize_reload_address): New.
1499 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1500 sh_legitimize_reload_address.
1502 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1504 * config/sh/sh.md (*movqi_pop): New insn pattern.
1505 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1507 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1509 * config/i386/i386.md (any_shiftrt): New code iterator.
1510 (shiftrt_insn): New code attribute.
1512 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1513 using any_shiftrt code iterator.
1514 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1515 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1516 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1517 pattern from corresponding peephole2 patterns.
1518 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1519 using any_shiftrt code iterator.
1520 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1521 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1522 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1523 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1524 *{ashr,lshr}<mode>3_cmp_zext.
1525 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1527 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1529 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1531 (*lshr<mode>3_cconly): Ditto.
1533 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1535 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1536 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1537 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1538 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1540 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1541 from corresponding peephole2 patterns.
1542 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1543 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1544 and *lshrdi3_1_rex64 using SWI mode iterator.
1545 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1546 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1547 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1548 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1549 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1550 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1551 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1552 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1553 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1556 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1558 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1559 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1560 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1561 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1563 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1564 from corresponding peephole2 patterns.
1565 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1566 (ashrsi3_cvt): Rename from ashrsi3_31.
1567 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1568 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1569 and x86_64_shift_adj_3 using SWI48 mode iterator.
1570 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1571 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1572 and *ashrdi3_1_rex64 using SWI mode iterator.
1573 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1574 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1575 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1576 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1577 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1578 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1579 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1580 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1581 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1583 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1584 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1585 x86_shift<mode>_adj_3 expanders.
1587 2010-04-10 Wei Guozhi <carrot@google.com>
1590 * config/arm/arm.c (arm_pic_static_addr): New function.
1591 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1593 (arm_output_addr_const_extra): Output expression for new pattern.
1594 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1596 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1598 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1601 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1602 * web.c: Include "insn-config.h" and "recog.h".
1603 (union_match_dups): New function.
1604 (web_main): Call it.
1605 (union_defs): Don't try to recognize match_dups.
1607 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1608 if doing so would replace the entire pattern.
1610 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1614 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1615 and splitter pattern. Change splitter operand 1 predicate to
1618 2010-04-09 Martin Jambor <mjambor@suse.cz>
1620 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1621 lattices are addresses of CONST_DECLs with the same initial value.
1622 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1623 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1625 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1626 Bernd Schmidt <bernds@codesourcery.com>
1628 * loop-invariant.c (replace_uses): New static function.
1629 (move_invariant_reg): Use it to ensure we can replace the uses.
1631 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1633 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1635 (picochip_override_options): Enable section anchors only above -O1.
1636 (picochip_reorg): Fixed a couple of build warnings.
1638 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1640 * configure.ac (plugin -rdynamic test): Log result.
1641 * configure: Regenerate.
1642 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1643 (RDYNAMIC_SPEC): Define.
1644 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1646 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1648 * configure.ac: Determine Sun ld version numbers.
1649 (comdat_group): Restrict GNU ld version checks to gld.
1650 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1651 (enable_comdat): Support --enable-comdat.
1652 * configure: Regenerate.
1653 * doc/install.texi (Configuration): Document --enable-comdat.
1655 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1657 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1658 * config/sol2-gld.h: ... here.
1659 * config.gcc (sparc*-*-solaris2*): Reflect this.
1660 (i[34567]86-*-solaris2*): Use it.
1662 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1664 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1666 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1668 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1671 * diagnostic.c (diagnostic_initialize): Initialize
1672 some_warnings_are_errors.
1673 (diagnostic_finish): New.
1674 (diagnostic_action_after_output): Call it before exiting.
1675 (diagnostic_report_diagnostic): Do not print message here. Set
1676 some_warnings_are_errors.
1677 * diagnostic.h (diagnostic_context): Delete
1678 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1679 (diagnostic_finish): Declare.
1680 * toplev.c (toplev_main): Call it before exit.
1682 2010-04-09 Jason Merrill <jason@redhat.com>
1685 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1686 for incomplete type.
1689 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1690 based on a warning flag.
1692 2010-04-09 Richard Guenther <rguenther@suse.de>
1694 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1696 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1699 * varasm.c (default_assemble_visibility): Wrap vars that are
1700 set, but unused, by targets without GAS.
1701 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1702 Remove set, but unused, vars.
1703 (rs6000_legitimize_tls_address): Likewise.
1704 (altivec_expand_dst_builtin): Likewise.
1705 * config/darwin.c (machopic_classify_symbol): Likewise.
1706 (machopic_indirection_name): Likewise.
1708 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1710 * config/i386/i386.md (DWI): New mode iterator.
1711 (S): New mode attribute.
1712 (shift_operand): Ditto.
1713 (shift_immediate_operand): Ditto.
1714 (ashl_input_operand): Ditto.
1715 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1716 using SDWIM mode iterator.
1717 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1718 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1720 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1721 from corresponding peephole2 patterns.
1722 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1723 and x86_64_shift_adj_1 using SWI48 mode iterator.
1724 (x86_shift<mode>_adj_2): Ditto.
1725 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1726 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1727 using SWI48 mode iterator.
1728 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1729 *ashldi3_cmp_rex64 using SWI mode iterator.
1730 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1731 *ashldi3_cconly_rex64 using SWI mode iterator.
1732 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1733 x86_shift<mode>_adj_{1,2}.
1734 (ix86_split_ashr): Ditto.
1735 (ix86_split_lshr): Ditto.
1737 2010-04-09 Richard Guenther <rguenther@suse.de>
1739 * target.h (builtin_conversion): Pass in input and output types.
1740 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1741 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1742 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1743 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1745 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1747 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1749 2010-04-09 Richard Guenther <rguenther@suse.de>
1752 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1754 2010-04-09 Richard Guenther <rguenther@suse.de>
1756 * tree-vectorizer.h (struct _stmt_vec_info): Document
1757 that vectype is the type of the LHS.
1758 (supportable_widening_operation, supportable_narrowing_operation):
1759 Get both input and output vector types as arguments.
1760 (vect_is_simple_use_1): Declare.
1761 (get_same_sized_vectype): Likewise.
1762 * tree-vect-loop.c (vect_determine_vectorization_factor):
1763 Set STMT_VINFO_VECTYPE to the vector type of the def.
1764 (vectorizable_reduction): Adjust.
1765 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1766 Adjust. Specify the output vector type.
1767 (vect_pattern_recog_1): Adjust.
1768 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1769 (vectorizable_call): Adjust.
1770 (vectorizable_conversion): Likewise.
1771 (vectorizable_operation): Likewise.
1772 (vectorizable_type_demotion): Likewise.
1773 (vectorizable_type_promotion): Likewise.
1774 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1776 (vect_is_simple_use_1): New function.
1777 (supportable_widening_operation): Get both input and output
1779 (supportable_narrowing_operation): Likewise.
1780 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1782 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1784 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1785 __thiscall and _thiscall as predefined macros.
1786 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1787 thiscall attribute handling.
1788 (ix86_comp_type_attributes): Likewise.
1789 (ix86_function_regparm): Likewise.
1790 (ix86_return_pops_args): Likewise.
1791 (init_cumulative_args): Likewise.
1792 (find_drap_reg): Likewise.
1793 (ix86_static_chain): Likewise.
1794 (x86_this_parameter): Likewise.
1795 (x86_output_mi_thunk): Likewise.
1796 (ix86_attribute_table): Add description for thiscall attribute.
1797 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1798 * doc/extend.texi: Add documentation for thiscall.
1800 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1803 * c.opt (Wint-to-pointer-cast): Available in C++.
1804 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1806 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1808 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1809 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1810 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1811 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1812 function type instead. Reorder and simplify checks.
1814 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1816 2010-04-08 Jing Yu <jingyu@google.com>
1817 Zdenek Dvorak <ook@ucw.cz>
1819 PR tree-optimization/42720
1820 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1821 loop unswitch conditions here from ...
1822 (tree_unswitch_single_loop): ... here.
1824 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1826 * tree-if-conv.c: Fix comments and simplify logic.
1828 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1830 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1831 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1832 (main_tree_if_conversion): Update call to tree_if_conversion.
1834 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1837 * doc/invoke.texi (-b,-V): Delete.
1838 * doc/tm.texi: Do not mention -b.
1839 * gcc.c (display_help): Delete -b and -V.
1840 (process_command): Delete -b and -V.
1841 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1843 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1844 Wolfgang Gellerich <gellerich@de.ibm.com>
1846 Implement target hook for loop unrolling
1847 * target.h (loop_unroll_adjust): Add a new target hook function.
1848 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1849 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1850 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1851 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1852 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1854 (decide_unroll_stupid): Likewise.
1856 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1859 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1861 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1863 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1864 (Specific, *-*-solaris2*): Likewise.
1865 Don't prefer Sun as over GNU as.
1867 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1869 * config/s390/s390.c (override_options): Adjust the z10
1870 defaults for max-unroll-times, max-completely-peeled-insns
1871 and max-completely-peel-times.
1873 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1875 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1876 instructions for z10.
1877 (s390_expand_setmem): Likewise.
1878 (s390_expand_cmpmem): Likewise.
1880 2010-04-08 Richard Guenther <rguenther@suse.de>
1882 PR tree-optimization/43679
1883 * tree-ssa-pre.c (eliminate): Only propagate copies.
1885 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1888 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
1889 set but not used variable warning.
1891 2010-04-08 Wei Guozhi <carrot@google.com>
1894 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
1895 (arm_size_rtx_costs): Call the new function when optimized for size.
1897 2010-04-08 Jakub Jelinek <jakub@redhat.com>
1900 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
1901 op0 is not a MEM, just return NULL instead of assertion
1903 (discover_nonconstant_array_refs): Don't walk debug stmts.
1905 2010-04-08 Doug Kwan <dougkwan@google.com>
1907 * configure.ac: Recognize gold and do not use its version number
1908 to test ld features.
1909 * configure: Regenerate.
1911 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
1914 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
1915 (negate_value): Move code to push elements to broken_up_substracts ...
1916 (eliminate_plus_minus_pair): ... here. Push operands that have no
1917 negative pair to plus_negates.
1918 (repropagate_negates, init_reassoc, fini_reassoc): Update.
1920 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1922 * doc/install.texi (Configuration): Move description of
1923 --enable-lto, --with-libelf*, --enable-gold from Java section to
1926 * doc/generic.texi (Working with declarations)
1927 (Function Properties, C and C++ Trees): Fix typos.
1928 * doc/sourcebuild.texi (Top Level): Likewise.
1930 2010-04-07 Jakub Jelinek <jakub@redhat.com>
1933 * tree.h (DECL_READ_P): Define.
1934 (struct tree_decl_common): Add decl_read_flag.
1935 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
1936 a set but not used warning.
1937 (merge_decls): Merge DECL_READ_P flag.
1938 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
1939 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
1940 * c-common.c (handle_used_attribute, handle_unused_attribute):
1942 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
1944 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
1946 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
1947 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
1948 c_parser_binary_expression, c_parser_cast_expression,
1949 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
1950 Call default_function_array_read_conversion instead of
1951 default_function_array_conversion where needed.
1952 (c_parser_unary_expression, c_parser_conditional_expression,
1953 c_parser_postfix_expression_after_primary, c_parser_initelt):
1954 Likewise. Call mark_exp_read where needed.
1955 (c_parser_statement_after_labels, c_parser_asm_operands,
1956 c_parser_typeof_specifier, c_parser_sizeof_expression,
1957 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
1959 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
1961 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
1962 (warn_unused_but_set_parameter): Default to warn_unused
1964 * doc/invoke.texi: Document -Wunused-but-set-variable and
1965 -Wunused-but-set-parameter.
1967 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
1968 used count variable.
1969 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
1970 when operandN variables aren't used in the body of the expander
1972 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
1973 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
1974 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
1975 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
1976 FOR_EACH_IMM_USE_ON_STMT): Likewise.
1977 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
1978 * tree.c (PROCESS_ARG): Likewise.
1980 2010-04-07 Simon Baldwin <simonb@google.com>
1982 * diagnostic.h (diagnostic_override_option_index): New macro to
1983 set a diagnostic's option_index.
1984 * c-tree.h (c_cpp_error): Add warning reason argument.
1985 * opts.c (_warning_as_error_callback): New.
1986 (register_warning_as_error_callback): Store callback for
1987 warnings enabled via enable_warning_as_error.
1988 (enable_warning_as_error): Call callback, minor code tidy.
1989 * opts.h (register_warning_as_error_callback): Declare.
1990 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
1991 response to -Werror=.
1992 (c_common_init_options): Register warning_as_error_callback in opts.c.
1993 * common.opt: Add -Wno-cpp option.
1994 * c-common.c (struct reason_option_codes_t): Map cpp warning
1995 reason codes to gcc option indexes.
1996 * (c_option_controlling_cpp_error): New function, lookup the gcc
1997 option index for a cpp warning reason code.
1998 * (c_cpp_error): Add warning reason argument, call
1999 c_option_controlling_cpp_error for diagnostic_override_option_index.
2000 * doc/invoke.texi: Document -Wno-cpp.
2002 2010-04-07 Richard Guenther <rguenther@suse.de>
2004 * ipa-reference.c (mark_load): Use get_base_address.
2005 (mark_store): Likewise.
2007 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2008 inserting GIMPLE_NOPs into the IL.
2009 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2010 Explicitly strip handled components and indirect references.
2012 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2013 folding address expressions.
2014 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2015 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2016 operand_equal_p to compare decls.
2017 (ptr_deref_may_alias_decl_p): Likewise.
2018 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2019 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2020 Handle reversed comparison ops.
2021 * tree-sra.c (asm_visit_addr): Use get_base_address.
2022 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2023 * ipa-reference.c (mark_address): Use get_base_address.
2025 2010-04-07 Richard Guenther <rguenther@suse.de>
2027 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2028 Propagate constants everywhere.
2030 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2033 * tree.c (MAX_INT_CACHED_PREC): Define.
2034 (nonstandard_integer_type_cache): New array.
2035 (build_nonstandard_integer_type): Cache results for precision
2036 <= MAX_INT_CACHED_PREC.
2038 2010-04-07 Richard Guenther <rguenther@suse.de>
2040 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2041 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2042 * common.opt: Likewise.
2043 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2044 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2045 (nonoverlapping_memrefs_p): Likewise.
2046 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2047 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2048 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2049 OPT_fargument_noalias_global for backward compatibility.
2051 2010-04-07 Richard Guenther <rguenther@suse.de>
2053 PR tree-optimization/43270
2054 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2055 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2056 * tree-ssa-pre.c (phi_translate_1): Adjust.
2057 (fully_constant_expression): Split out vn_reference handling to ...
2058 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2059 Fold reads from constant strings.
2060 (vn_reference_lookup): Handle fully constant references.
2061 (vn_reference_lookup_pieces): Likewise.
2062 * Makefile.in (expmed.o-warn): Add -Wno-error.
2064 2010-04-07 Martin Jambor <mjambor@suse.cz>
2066 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2068 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2071 * gcc.c: Add -static-libstdc++ to list of recognized options.
2073 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2075 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2077 2010-04-07 Richard Guenther <rguenther@suse.de>
2080 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2081 bases build simple mem attributes to retain points-to information.
2083 2010-04-07 Richard Guenther <rguenther@suse.de>
2086 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2087 preserve points-to related information.
2089 2010-04-07 Richard Guenther <rguenther@suse.de>
2092 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2093 discard plain indirect references.
2094 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2095 * tree.c (tree_nop_conversion): Likewise.
2097 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2100 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2102 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2104 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2105 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2107 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2109 * tree-if-conv.c: Fix indentation and comments.
2111 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2113 * tree-if-conv.c: Sort static functions in topological order.
2115 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2117 * tree-if-conv.c: Fix indentation and comments.
2119 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2122 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2123 lang_hooks.types.type_for_size instead of
2124 build_nonstandard_integer_type.
2125 When converting an unsigned type to signed, double its precision.
2126 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2127 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2128 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2131 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2134 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2135 POINTER_PLUS_EXPR for pointer types.
2137 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2140 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2141 * graphite-clast-to-gimple.c: Include langhooks.h.
2142 (max_signed_precision_type): New.
2143 (max_precision_type): Takes two types as arguments.
2144 (precision_for_value): New.
2145 (precision_for_interval): New.
2146 (gcc_type_for_interval): New.
2147 (gcc_type_for_value): New.
2148 (gcc_type_for_clast_term): New.
2149 (gcc_type_for_clast_red): New.
2150 (gcc_type_for_clast_bin): New.
2151 (gcc_type_for_clast_expr): Split up into several functions.
2152 (gcc_type_for_clast_eq): Rewritten.
2153 (compute_bounds_for_level): New.
2154 (compute_type_for_level_1): New.
2155 (compute_type_for_level): New.
2156 (gcc_type_for_cloog_iv): Removed.
2157 (gcc_type_for_iv_of_clast_loop): Rewritten.
2158 (graphite_create_new_loop): Compute the lower and upper bound types
2159 with gcc_type_for_clast_expr.
2160 (graphite_create_new_loop_guard): Same.
2161 (find_cloog_iv_in_expr): Removed.
2162 (compute_cloog_iv_types_1): Removed.
2163 (compute_cloog_iv_types): Removed.
2164 (gloog): Do not call compute_cloog_iv_types.
2165 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2167 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2168 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2169 (GBB_CLOOG_IV_TYPES): Removed.
2171 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2173 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2174 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2175 (detect_commutative_reduction): Same.
2177 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2179 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2180 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2182 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2183 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2184 (rewrite_commutative_reductions_out_of_ssa): Same.
2185 * passes.c (execute_function_todo): Call verify_ssa for every pass
2186 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2187 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2188 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2189 with an extra argument.
2190 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2191 verify_ssa only when the extra argument is true.
2192 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2193 with an extra argument.
2194 (tree_transform_and_unroll_loop): Same.
2196 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2198 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2199 for all the passes of the LNO having LOOP_CLOSED_SSA.
2200 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2201 * tree-loop-distribution.c (pass_loop_distribution): Same.
2202 * tree-pass.h (TODO_verify_loops): Removed.
2203 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2205 (pass_tree_unswitch): Same.
2206 (pass_predcom): Same.
2207 (pass_vectorize): Same.
2208 (pass_linear_transform): Same.
2209 (pass_graphite_transforms): Same.
2210 (pass_iv_canon): Same.
2211 (pass_complete_unroll): Same.
2212 (pass_complete_unrolli): Same.
2213 (pass_parallelize_loops): Same.
2214 (pass_loop_prefetch): Same.
2215 (pass_iv_optimize): Same.
2217 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2220 * passes.c (init_optimization_passes): Move pass_lim before
2221 pass_copy_prop and pass_dce_loop.
2223 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2226 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2227 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2228 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2229 MULTI_* defines for 4 argument vpermil2p* builtins.
2231 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2233 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2234 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2235 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2236 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2237 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2238 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2239 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2240 Use x86_maybe_negate_const_int to output insn mnemonic.
2241 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2242 check from instruction predicate. Update comments.
2243 * config/i386/sync.md (sync_add<mode>): Use
2244 x86_maybe_negate_const_int to output insn mnemonic.
2246 2010-04-06 Jan Hubicka <jh@suse.cz>
2248 PR tree-optimization/42906
2249 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2250 IGNORE_SELF argument. Set visited_control_parents for fully
2252 (find_obviously_necessary_stmts): Update call of
2253 mark_control_dependent_edges_necessary.
2254 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2256 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2258 * config/i386/i386.md: Remove comment about 'e' and 'E'
2261 2010-04-06 Richard Guenther <rguenther@suse.de>
2263 PR tree-optimization/43627
2264 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2265 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2268 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2270 * BASE-VER: Change to 4.6.0.
2273 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2276 2010-04-06 Richard Guenther <rguenther@suse.de>
2279 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2281 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2283 * doc/invoke.texi (Optimize Options): Document that LTO
2284 won't remove object access purely due to incompatible
2287 2010-04-04 Matthias Klose <doko@ubuntu.com>
2289 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2290 Initialize variable.
2292 2010-04-03 Richard Guenther <rguenther@suse.de>
2295 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2296 require a non-NULL MEM_OFFSET.
2298 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2300 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2301 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2302 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2303 config/alpha/predicates.md, config/arm/arm.md,
2304 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2305 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2306 config/darwin9.h, config/darwin.c, config/darwin.h,
2307 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2308 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2309 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2310 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2311 config/mips/mips.md, config/mn10300/mn10300.c,
2312 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2313 config/rs6000/aix.h, config/rs6000/dfp.md,
2314 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2315 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2316 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2317 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2318 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2319 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2320 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2321 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2322 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2323 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2324 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2325 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2326 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2327 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2328 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2329 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2330 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2331 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2332 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2333 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2334 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2335 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2336 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2337 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2338 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2339 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2340 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2341 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2342 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2343 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2344 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2345 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2346 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2347 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2348 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2349 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2351 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2354 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2355 * aclocal.m4: Regenerate.
2357 2010-04-02 Richard Guenther <rguenther@suse.de>
2359 PR tree-optimization/43629
2360 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2361 if we have seen a constant value.
2363 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2365 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2367 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2370 * arm.c (legitimize_tls_address): Adjust call to
2371 gen_tls_load_dot_plus_four.
2372 (arm_note_pic_base): New function.
2373 (arm_cannot_copy_insn_p): Use it.
2374 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2377 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2382 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2384 * Makefile.in ($(out_object_file)): Depend on
2385 gt-$(basename $(notdir $(out_file))).h.
2387 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2389 * config.gcc (lm32-*-rtems*): Add t-lm32.
2391 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2393 * config.gcc: Add lm32-*-rtems*.
2394 * config/lm32/rtems.h: New file.
2396 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2399 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2401 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2403 * dwarf2out.c (output_compilation_unit_header): For
2404 -gdwarf-4 use version 4 instead of version 3.
2405 (output_line_info): For version 4 and above emit additional
2406 maximum ops per insn header field.
2407 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2409 * dwarf2out.c (is_c_family, is_java): Remove.
2410 (lower_bound_default): New function.
2411 (add_bound_info, gen_descr_array_type_die): Use it.
2413 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2416 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2417 re-declaration when it happens in a function.
2419 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2421 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2422 (cgraph_remove_function_insertion_hook): Same.
2423 (cgraph_call_function_insertion_hooks): Same.
2425 2010-04-01 Richard Guenther <rguenther@suse.de>
2428 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2429 and TREE_THIS_VOLATILE.
2430 (copy_ref_info): Likewise.
2431 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2432 * tree.c (build6_stat): Ignore side-effects of all but arg5
2433 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2436 2010-04-01 Richard Guenther <rguenther@suse.de>
2438 PR tree-optimization/43607
2439 * ipa-type-escape.c (check_call): Do not access non-existing
2442 2010-04-01 Richard Guenther <rguenther@suse.de>
2446 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2447 Jack Howarth <howarth@bromo.med.uc.edu>
2449 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2452 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2454 * doc/install.texi (Prerequisites): Document libelf usability on
2455 IRIX 5/6 and Solaris 2.
2456 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2457 Update GNU as, GNU ld requirements.
2458 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2459 Document Sun Studio compiler download.
2460 Update and simplify as, ld recommendations.
2461 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2463 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2465 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2466 with_tune_32 to pentium4.
2468 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2470 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2472 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2474 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2475 obsoletion, removal.
2477 Document GNU as requirement.
2478 Update configure requirements.
2479 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2480 Recomment IRIX 6.5.18+.
2481 Document IDF/IDL requirement.
2482 Document GNU as requirement.
2483 Document GNU ld bootstrap failure.
2484 Remove freeware.sgi.com reference.
2486 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2488 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2489 UNIX V4.0, V5.0 obsoletion, removal.
2490 Remove --with-gc=simple reference.
2491 Update VM requirements during bootstrap.
2492 Remove -oldas bootstrap description.
2493 Update binutils reference.
2494 Remove comparison failure note.
2496 2010-03-31 Richard Guenther <rguenther@suse.de>
2497 Zdenek Dvorak <ook@ucw.cz>
2498 Sebastian Pop <sebastian.pop@amd.com>
2501 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2502 with multiple arguments.
2503 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2505 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2507 * graphite-dependences.c (print_pddr): Call print_pdr with an
2509 * graphite-poly.c (debug_pdr): Add an extra argument for the
2512 (print_pbb_domain): Same.
2514 (print_scop_context): Same.
2516 (print_cloog): Same.
2517 (debug_pbb_domain): Same.
2521 (debug_scop_context): Same.
2523 (debug_cloog): Same.
2524 (print_scop_params): Same.
2525 (debug_scop_params): Same.
2526 (print_iteration_domain): Same.
2527 (print_iteration_domains): Same.
2528 (debug_iteration_domain): Same.
2529 (debug_iteration_domains): Same.
2530 (print_scattering_function): Same.
2531 (print_scattering_functions): Same.
2532 (debug_scattering_function): Same.
2533 (debug_scattering_functions): Same.
2534 * graphite-poly.h (debug_pdr): Update declaration.
2536 (print_pbb_domain): Same.
2538 (print_scop_context): Same.
2540 (print_cloog): Same.
2541 (debug_pbb_domain): Same.
2545 (debug_scop_context): Same.
2547 (debug_cloog): Same.
2548 (print_scop_params): Same.
2549 (debug_scop_params): Same.
2550 (print_iteration_domain): Same.
2551 (print_iteration_domains): Same.
2552 (debug_iteration_domain): Same.
2553 (debug_iteration_domains): Same.
2554 (print_scattering_function): Same.
2555 (print_scattering_functions): Same.
2556 (debug_scattering_function): Same.
2557 (debug_scattering_functions): Same.
2559 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2561 * graphite-poly.c (print_scattering_function_1): New.
2562 (print_scattering_function): Call it.
2563 (print_scop_params): Remove spaces at the end of lines.
2566 * graphite-poly.h (print_cloog): Declared.
2567 (debug_cloog): Declared.
2569 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2571 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2573 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2574 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2575 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2576 to switch between adding the IV bump in loop->latch or in loop->header.
2578 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2580 * graphite-poly.c (print_scattering_function): Pretty print following
2583 (print_pbb_domain): Same.
2584 (dump_gbb_cases): Same.
2585 (dump_gbb_conditions): Same.
2588 (print_scop_params): Same.
2589 (print_scop_context): Same.
2591 (print_pbb_body): New.
2592 (lst_indent_to): New.
2593 (print_lst): Start new lines with a #.
2594 * graphite-poly.h (pbb_bb): New.
2595 (pbb_index): Use pbb_bb.
2596 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2598 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2600 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2602 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2603 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2604 and 0 instead of 1 for dw_val_class_flag.
2605 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2606 dw_val_class_range_list, dw_val_class_loc_list,
2607 dw_val_class_lineptr and dw_val_class_macptr, use
2608 DW_FORM_flag_present for dw_val_class_flag and
2609 DW_FORM_exprloc for dw_val_class_loc.
2610 (output_die): For -gdwarf-4 print dw_val_class_loc
2611 size as uleb128 instead of 1 or 2 bytes and don't print
2612 anything for dw_val_class_flag.
2614 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2615 instead of cselib_lookup following by tweaking locs->setting_insn.
2618 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2619 even before returning from label, setjmp call or volatile asm
2622 2010-03-31 Richard Guenther <rguenther@suse.de>
2625 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2626 temporary data on stack.
2628 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2630 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2631 (PUSHSECTION_ASM_OP): Remove.
2632 (POPSECTION_ASM_OP): Remove.
2633 (PUSHSECTION_FORMAT): Remove.
2634 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2635 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2636 * config/sol2.c (solaris_output_init_fini): Use it.
2638 2010-03-31 Jie Zhang <jie@codesourcery.com>
2641 * opt-functions.awk (var_type_struct): Use signed char type
2642 for simple variables.
2644 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2646 * config/sol2.c: Include output.h.
2647 (solaris_assemble_visibility): New function.
2648 * config/t-sol2 (sol2.o): Add output.h dependency.
2649 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2650 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2653 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2656 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2657 V2SImode or XFmode on PRE_DEC.
2660 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2663 2010-03-31 Jie Zhang <jie@codesourcery.com>
2666 * reload.h (caller_save_initialized_p): Declare.
2667 * toplev.c (backend_init_target): Don't call
2668 init_caller_save but set caller_save_initialized_p to false.
2669 * caller-save.c (caller_save_initialized_p): Define.
2670 (init_caller_save): Check caller_save_initialized_p.
2671 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2673 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2676 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2677 and soft-fp/t-softfp to tmake_file.
2678 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2679 (LIBGCC2_TF_CEXT): Define.
2682 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2685 * cselib.c (n_useless_values): Document handling of debug locs.
2686 (n_useless_debug_values, n_debug_values): New variables.
2687 (new_elt_loc_list): Don't add to debug values, keep count.
2688 (promote_debug_loc): New.
2689 (cselib_reset_table): Zero new variables.
2690 (entry_and_rtx_equal_p): Promote debug locs.
2691 (discard_useless_locs): Increment n_useless_debug_values for
2693 (remove_useless_values): Adjust n_useless_values and n_debug_values
2694 with n_useless_debug_values.
2695 (add_mem_for_addr): Promote debug locs.
2696 (cselib_lookup_mem): Likewise.
2697 (cselib_lookup_addr): Renamed to...
2698 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2699 (cselib_log_lookup): ... this. Turn into...
2700 (cselib_lookup_addr): ... new wrapper.
2701 (cselib_lookup_from_insn): New.
2702 (cselib_invalidate_regno): Increment n_useless_debug_values for
2704 (cselib_invalidate_mem): Likewise.
2705 (cselib_process_insn): Take n_deleted and n_debug_values into
2706 account to guard remove_useless_value call.
2707 (cselib_finish): Zero n_useless_debug_values.
2708 * cselib.h (cselib_lookup_from_insn): Declare.
2709 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2710 (sched_analyze_2): Likewise.
2712 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2714 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2716 (adjust_mems): Replace narrowing SUBREG of expression containing
2717 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2718 with operations in the narrower mode.
2721 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2722 regs_invalidated_by_call instead all call_used_reg_set registers.
2724 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2727 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2728 pointer comparisons with types_compatible_p.
2729 * tree-vect-stmts.c (vectorizable_call): Same.
2730 (vectorizable_condition): Same.
2732 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2734 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2735 stack check if the mask would be zero.
2737 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2738 Jack Howarth <howarth@bromo.med.uc.edu>
2740 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2743 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2746 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2748 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2749 Include ___unordxf2 and ___unordtf2.
2750 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2753 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2755 * config/lm32/t-lm32: New file.
2756 * config.gcc: Use the above file when targetting lm32.
2758 2010-03-28 Duncan Sands <baldrick@free.fr>
2760 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2762 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2765 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2766 Improve vectorization cost model diagnostic.
2768 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2771 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2772 compute_data_dependences_for_loop returns false, early exit
2773 and output an extra diagnostic for the failed data reference
2776 2010-03-29 Richard Guenther <rguenther@suse.de>
2778 PR tree-optimization/43560
2779 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2780 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2782 2010-03-29 Jie Zhang <jie@codesourcery.com>
2785 * toplev.c (process_options): Set optimization_default_node
2786 and optimization_current_node.
2787 * opts.c (decode_options): Don't set optimization_default_node
2788 and optimization_current_node.
2790 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2792 * config/rtems.h: Abandon -qrtems_debug.
2794 2010-03-28 Jan Hubicka <jh@suse.cz>
2796 PR tree-optimization/43505
2797 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2798 map should not be copied.
2800 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2803 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2804 cdtors, set DECL_PRESERVE_P.
2805 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2808 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2810 PR tree-optimization/43528
2811 * stor-layout.c (place_field): Check that constant fits into
2812 unsigned HWI when skipping calculation of MS bitfield layout.
2814 2010-03-27 Jan Hubicka <jh@suse.cz>
2817 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2818 notice_global_symbol work.
2820 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2822 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2823 instead of dwarf2out_decl.
2824 (struct var_loc_node): Remove section_label field.
2825 (dwarf2out_function_decl): New function.
2826 (dwarf2out_var_location): Don't set section_label field.
2827 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2829 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2831 PR tree-optimization/43544
2832 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2833 First argument for builtin vectorized function hook is now a
2834 tree to be able to distinguish between machine specific and
2836 * targhooks.c (default_builtin_vectorized_function): Ditto.
2837 * targhooks.h (default_builtin_vectorized_function): Ditto.
2838 * target.h (struct gcc_target): Ditto.
2839 * tree-vect-stmts.c (vectorizable_function): Ditto.
2840 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2841 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2844 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2847 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2848 nested binding iff it is a FUNCTION_DECL.
2849 (store_parm_decls_newstyle): Pass nested=true to bind for
2850 FUNCTION_DECLs amongst parameters.
2852 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2854 * var-tracking.c (vt_expand_loc_callback): Don't run
2855 cselib_expand_value_rtx_cb in dummy mode if
2856 cselib_dummy_expand_value_rtx_cb returned false.
2858 * var-tracking.c (emit_note_insn_var_location): For one part
2859 notes with offset 0, don't add EXPR_LIST around the location.
2860 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2861 add_location_or_const_value_attribute): Adjust for that change.
2864 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2865 into first operand and location into second.
2866 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2867 dw_cfi_oprnd_loc for DW_CFA_expression.
2868 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2869 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2870 assume first argument is regnum and second argument is location.
2872 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2875 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2876 of scratch register to DImode. Split to DImode comparison operator.
2877 Use SImode subreg of scratch register in the multiplication.
2878 (*cmp_sadd_sidi): Ditto.
2879 (*cmp_ssub_si): Ditto.
2880 (*cmp_ssub_sidi): Ditto.
2882 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2885 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
2886 Remove invalid assert and wrong comment.
2888 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2891 * flags.h (final_insns_dump_p): New extern.
2892 * final.c (final_insns_dump_p): New variable.
2893 (rest_of_clean_state): Set it before -fdump-final-insns=
2894 dumping, clear afterwards.
2895 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
2896 MEM_ALIAS_SET on MEMs.
2898 2010-03-26 David S. Miller <davem@davemloft.net>
2900 * configure.ac: Fix sparc GOTDATA_OP bug check.
2901 * configure: Rebuild.
2903 2010-03-26 Alan Modra <amodra@gmail.com>
2905 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
2907 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2909 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
2910 TLS_SECTION_ASM_FLAG.
2912 2010-03-25 Jakub Jelinek <jakub@redhat.com>
2915 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
2916 Clear first_function_block_is_cold.
2919 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
2920 argument if the argument is truth_value_p.
2922 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
2924 * config/rs6000/constraints.md: Update copyright year for my changes.
2927 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
2928 used in reg+reg addressing, swap registers.
2930 2010-03-24 Jakub Jelinek <jakub@redhat.com>
2933 * target.h (struct gcc_target): Add code_end hook.
2934 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
2936 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
2937 * toplev.c (compile_file): Call targetm.asm_out.code_end
2938 hook before unwind info/debug info output.
2939 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
2940 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
2941 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2942 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
2943 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
2944 * config/i386/i386.c (ix86_file_end): Renamed to...
2945 (ix86_code_end): ... this. Make static. Don't call
2946 file_end_indicate_exec_stack. Emit unwind info using
2947 final_start_function/final_end_function.
2948 (darwin_x86_file_end): Remove.
2949 (TARGET_ASM_CODE_END): Define.
2950 * config/i386/i386.h (TARGET_ASM_FILE_END,
2951 NEED_INDICATE_EXEC_STACK): Don't define.
2952 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
2953 (TARGET_ASM_FILE_END): Define to darwin_file_end.
2954 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
2955 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
2958 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
2959 at the beginning and final_end_function at the end.
2960 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
2962 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2964 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
2965 and Sun as TLS syntax.
2966 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
2967 * configure: Regenerate.
2968 * config.in: Regenerate.
2969 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
2970 (default_elf_asm_named_section): Use it.
2971 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
2972 (i386_output_dwarf_dtprel): Likewise.
2973 (output_addr_const_extra): Likewise.
2974 (output_pic_addr_const): Lowercase @GOTTPOFF.
2975 (output_addr_const_extra): Likewise.
2976 (output_pic_addr_const): Lowercase @GOTNTPOFF.
2977 (output_addr_const_extra): Likewise.
2978 (output_pic_addr_const): Lowercase @INDNTPOFF.
2979 (output_addr_const_extra): Likewise.
2980 (output_pic_addr_const): Lowercase @NTPOFF.
2981 (output_addr_const_extra): Likewise.
2982 (output_pic_addr_const): Lowercase @TPOFF.
2983 (output_addr_const_extra): Likewise.
2984 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
2985 (*tls_global_dynamic_64): Likewise.
2986 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
2987 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
2989 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
2990 (ASM_OUTPUT_TLS_COMMON): Use it.
2991 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
2994 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
2995 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
2996 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
2997 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
2998 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
2999 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3001 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3003 * config/i386/i386.c (override_options): Don't accept
3004 -mtls-dialect=sun any longer.
3005 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3006 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3007 (*tls_local_dynamic_base_32_sun): Likewise.
3008 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3010 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3013 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3014 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3017 * ira.c (adjust_cleared_regs): New function.
3018 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3022 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3024 * expr.c (expand_expr_real): Restore previous
3025 curr_insn_source_location and curr_insn_block after
3026 expand_expr_real_1 call.
3027 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3028 instead of expand_expr_real_1.
3030 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3032 PR rtl-optimization/43413
3033 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3036 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3039 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3040 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3042 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3044 * config/i386/i386.c (ix86_target_string): Add -mfma.
3045 Fix a typo in comment.
3047 2010-03-22 Mike Stump <mikestump@comcast.net>
3050 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3051 Don't overly align based upon packed packed fields.
3053 2010-03-22 Jason Merrill <jason@redhat.com>
3055 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3056 Use () rather than [], and move before the element type.
3058 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3060 * doc/configfiles.texi (Configuration Files): Removed
3061 fixinc/Makefile*, intl/Makefile.*.
3062 * doc/makefile.texi: Fixed markup. Abstract from version
3063 control system used.
3064 (Makefile): Removed obsolete gcc/java/parse.y example.
3065 * doc/sourcebuild.texi: Likewise.
3066 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3067 libgomp, libssp. Removed fastjar.
3068 (Miscellaneous Docs): Clarify location.
3069 Added COPYING3, COPYING3.LIB.
3070 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3072 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3075 * config/i386/i386.c (x86_function_profiler)
3076 [!NO_PROFILE_COUNTERS]: Fix typo.
3077 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3080 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3081 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3083 * doc/sourcebuild.texi (Test Directives): Split into six
3084 subsections, with most of the current text in new subsections
3085 Directives, Selectors, and Final Actions.
3086 (Directives): Split list of test directives into multiple
3088 (Selectors): Describe use and syntax of selectors.
3089 (Effective-Target Keywords): Describe all existing keywords.
3090 (Add Options): Describe features for dg-add-options.
3091 (Require Support): Describe variants of dg-require-support.
3092 (Final Actions): Describe commands to use in dg-final.
3094 2010-03-22 Michael Matz <matz@suse.de>
3097 * recog.c (validate_replace_rtx_group): Replace also in
3098 REG_EQUAL and REG_EQUIV notes.
3100 2010-03-22 Richard Guenther <rguenther@suse.de>
3102 PR tree-optimization/43390
3103 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3104 sure vector extracts are type correct.
3106 2010-03-22 Richard Guenther <rguenther@suse.de>
3109 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3110 x * sqrt (x) even when optimizing for size if the target
3111 has native support for sqrt.
3113 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3115 * varasm.c (make_decl_rtl_for_debug): Also clear
3116 flag_mudflap for the duration of make_decl_rtl call.
3119 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3120 locs from preserved VALUEs.
3122 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3125 * pa.md (movmemsi): Set align to one if zero.
3126 (movmemdi): Likewise.
3128 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3131 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3132 with their corresponding prologue pushes.
3134 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3137 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3138 at the begining or end.
3139 (spu_expand_epilogue): Likewise.
3141 2010-03-20 Richard Guenther <rguenther@suse.de>
3143 PR rtl-optimization/43438
3144 * combine.c (make_extraction): Properly zero-/sign-extend an
3145 extraction of the low part of a CONST_INT. Also handle
3148 2010-03-19 Mike Stump <mikestump@comcast.net>
3150 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3151 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3152 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3154 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3157 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3160 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3162 PR rtl-optimization/42258
3163 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3164 use that may match DEF.
3167 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3168 the cost of loading the constant rather than assuming
3170 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3171 outer code is AND, do the same tests as the andsi3 expander and
3172 return COSTS_N_INSNS (1) if and is cheap.
3174 * optabs.c (avoid_expensive_constant): Fix formatting.
3176 2010-03-19 Michael Matz <matz@suse.de>
3179 * attribs.c (decl_attributes): When rebuilding a function pointer
3180 type use the same qualifiers as the original pointer type.
3182 2010-03-19 Martin Jambor <mjambor@suse.cz>
3184 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3185 and is_gimple_ip_invariant_address.
3187 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3190 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3192 * config/arm/arm.c (arm_override_options): Turn off
3193 flag_dwarf2_cfi_asm for AAPCS variants.
3195 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3198 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3199 Use PRE_MODIFY instead of PRE_DEC.
3200 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3201 (vfp_emit_fstmd): Likewise.
3203 2010-03-19 Michael Matz <matz@suse.de>
3206 * builtins.c (expand_builtin_interclass_mathfn,
3207 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3210 2010-03-19 Richard Guenther <rguenther@suse.de>
3212 PR tree-optimization/43415
3213 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3214 (phi_translate_1): ... this.
3215 (phi_translate): Move all caching here. Cache all NARY
3216 and REFERENCE translations.
3218 2010-03-19 David S. Miller <davem@davemloft.net>
3220 With help from Eric Botcazou.
3221 * config/sparc/sparc.c: Include dwarf2out.h.
3222 (emit_pic_helper): Delete.
3223 (pic_helper_symbol_name): Delete.
3224 (pic_helper_emitted_p): Delete.
3225 (pic_helper_needed): New.
3226 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3227 (get_pc_thunk_name): New.
3228 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3229 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3230 Set pic_helper_needed to true. Don't call emit_pic_helper.
3231 (sparc_expand_prologue): Update load_pic_register call.
3232 (sparc_output_mi_thunk): Likewise.
3233 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3234 thunk if possible. Output CFI information as needed.
3236 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3237 Jack Howarth <howarth@bromo.med.uc.edu>
3240 * config/i386/i386.h: Fix ABI on darwin x86-32.
3242 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3244 * tree.h: Declare make_decl_rtl_for_debug.
3245 * varasm.c (make_decl_rtl_for_debug): New.
3246 * dwarf2out.c (rtl_for_decl_location): Call it.
3247 * cfgexpand.c (expand_debug_expr): Call it.
3249 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3252 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3256 * var-tracking.c (vt_init_cfa_base): Do nothing if
3257 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3259 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3262 * var-tracking.c (canonicalize_vars_star): New.
3263 (dataflow_post_merge_adjust): Use it.
3265 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3268 * var-tracking.c (non_suitable_const): New function.
3269 (add_uses): For DEBUG_INSNs with constants, don't record any
3270 value, instead just the constant value itself.
3271 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3272 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3273 (emit_notes_in_bb): Likewise.
3274 (emit_note_insn_var_location): For onepart variables if
3275 cur_loc is a VOIDmode constant, use DECL_MODE.
3277 2010-03-18 Martin Jambor <mjambor@suse.cz>
3280 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3281 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3282 all non-clones. Moved call redirection...
3283 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3284 (cgraph_materialize_all_clones): Dispose of all
3285 combined_args_to_skip bitmaps.
3286 (verify_cgraph_node): Do not check for edges pointing to wrong
3287 nodes in inline clones.
3288 * tree-inline.c (copy_bb): Call
3289 cgraph_redirect_edge_call_stmt_to_callee.
3290 * ipa.c (cgraph_remove_unreachable_nodes): Call
3291 cgraph_node_remove_callees even when there are used clones.
3293 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3295 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3297 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3300 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3303 2010-03-18 Michael Matz <matz@suse.de>
3306 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3307 into sqrt(x) if we need to preserve signed zeros.
3309 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3310 Eric Botcazou <ebotcazou@adacore.com>
3312 PR rtl-optimization/43360
3313 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3314 note if we don't know its invariant status.
3316 2010-03-18 Michael Matz <matz@suse.de>
3318 PR tree-optimization/43402
3319 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3320 PHI chains of ssa names registered for update.
3322 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3325 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3326 non-offsettable and pre_modify update addressing.
3327 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3328 and "2" alternatives "#".
3329 (*movdd_softfloat32): Make all alternatives "#";
3330 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3331 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3332 (*movdf_softfloat32): Make all alternatives "#";
3333 (movdi): Use the new DIFD mode iterator to create a common splitter
3334 for movdi, movdf and movdd patterns.
3336 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3338 * common.opt (dumpdir): Remove redundant tab.
3340 2010-03-17 Martin Jambor <mjambor@suse.cz>
3342 PR tree-optimization/43347
3343 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3344 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3346 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3348 PR rtl-optimization/42216
3349 * regrename.c (create_new_chain): New function, broken out from...
3350 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3351 appending a use to an empty chain.
3352 (build_def_use): Remove previous changes that convert OP_INOUT to
3353 OP_OUT operands; instead detect the case where an OP_INOUT operand
3354 uses a previously untracked register and create an empty chain for it.
3356 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3358 * doc/extend.texi (Function Attributes): Rewrite unfinished
3359 sentence in ms_abi documentation.
3361 2010-03-17 Alan Modra <amodra@gmail.com>
3363 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3364 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3365 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3366 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3368 2010-03-16 Richard Henderson <rth@redhat.com>
3371 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3372 (lower_try_finally): Save and restore eh_seq around the expansion
3375 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3377 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3378 statements before splitting block.
3380 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3382 * doc/sourcebuild.texi (Testsuites): Fix markup.
3383 Use pathnames relative to gcc/testsuite.
3384 (Test Directives): Move description of how timeout is determined.
3385 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3386 (C Tests): Correct gcc.misc-tests directory.
3387 Framework tests now live in gcc.test-framework.
3389 2010-03-16 Richard Guenther <rguenther@suse.de>
3392 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3393 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3395 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3396 Alexandre Oliva <aoliva@redhat.com>
3398 PR tree-optimization/42917
3399 * lambda-code.c (remove_iv): Skip debug statements.
3400 (lambda_loopnest_to_gcc_loopnest): Likewise.
3401 (not_interesting_stmt): Debug statements are not interesting.
3403 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3407 * cselib.c (cselib_preserve_constants,
3408 cfa_base_preserved_val): New static variables.
3409 (preserve_only_constants): New function.
3410 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3411 clear its REG_VALUES. If cselib_preserve_constants, don't
3412 empty the whole hash table, but preserve there VALUEs with constants,
3413 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3414 (cselib_preserve_cfa_base_value): New function.
3415 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3416 (cselib_init): Change argument to int bitfield. Set
3417 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3419 (cselib_finish): Clear cselib_preserve_constants and
3420 cfa_base_preserved_val.
3421 * cselib.h (enum cselib_record_what): New enum.
3422 (cselib_init): Change argument to int.
3423 (cselib_preserve_cfa_base_value): New prototype.
3424 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3425 * dse.c (dse_step1): Likewise.
3426 * cfgcleanup.c (thread_jump): Likewise.
3427 * sched-deps.c (sched_analyze): Likewise.
3428 * gcse.c (local_cprop_pass): Likewise.
3429 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3430 If FN is non-NULL, call the callback always and whenever it returns
3431 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3432 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3433 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3434 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3435 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3436 * var-tracking.c: Include recog.h.
3437 (bb_stack_adjust_offset): Remove.
3438 (vt_stack_adjustments): Don't call it, instead just gather the
3439 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3440 (adjust_stack_reference): Remove.
3441 (compute_cfa_pointer): New function.
3442 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3443 (struct adjust_mem_data): New type.
3444 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3446 (get_address_mode): New function.
3447 (replace_expr_with_values): Use it.
3448 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3449 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3450 (adjust_sets): Remove.
3451 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3452 Use get_address_mode.
3453 (get_adjusted_src): Remove.
3454 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3455 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3456 (add_with_sets): Don't call adjust_sets.
3457 (fp_setter, vt_init_cfa_base): New functions.
3458 (vt_initialize): Change return type to bool. Move most of pool etc.
3459 initialization to the beginning of the function from end. Pass
3460 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3461 If !frame_pointer_needed, call vt_stack_adjustment before mos
3462 vector is filled, call vt_init_cfa_base if argp/framep has been
3463 eliminated to sp. If frame_pointer_needed and argp/framep has
3464 been eliminated to hard frame pointer, set
3465 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3466 encountering fp setter in the prologue. For MO_ADJUST, call
3467 log_op_type before pusing the op into mos vector, not afterwards.
3468 Call adjust_insn before cselib_process_insn/add_with_sets,
3469 call cancel_changes (0) afterwards.
3470 (variable_tracking_main_1): Adjust for vt_initialize calling
3471 vt_stack_adjustments and returning whether it succeeded or not.
3473 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3475 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3478 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3480 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3482 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3483 drap_reg has not been set.
3485 2010-03-15 Michael Matz <matz@suse.de>
3488 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3489 use it to expand block copies.
3490 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3491 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3492 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3494 2010-03-15 Richard Guenther <rguenther@suse.de>
3496 PR tree-optimization/43367
3497 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3500 2010-03-15 Richard Guenther <rguenther@suse.de>
3502 PR tree-optimization/43317
3503 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3505 2010-03-15 Martin Jambor <mjambor@suse.cz>
3507 PR tree-optimization/43141
3508 * tree-sra.c (create_abstract_origin): New function.
3509 (modify_function): Call create_abstract_origin.
3511 2010-03-15 Chris Demetriou <cgd@google.com>
3513 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3516 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3519 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3520 call insert_out_of_ssa_copy for default definitions.
3522 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3524 * graphite-clast-to-gimple.c (my_long_long): Defined.
3525 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3526 * graphite-sese-to-poly.c (my_long_long): Defined.
3527 (scop_ivs_can_be_represented): Use it.
3529 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3531 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3532 graphite-max-bbs-per-function, and loop-block-tile-size.
3533 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3535 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3537 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3539 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3540 forward declaration.
3541 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3542 (add_upper_bounds_from_estimated_nit): New.
3543 (build_loop_iteration_domains): Use it.
3545 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3547 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3549 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3552 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3553 should be an INTEGER_CST. Also handle CASE_CONVERT.
3555 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3557 * graphite.c (graphite_initialize): To bound the number of bbs per
3558 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3559 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3560 * doc/invoke.texi: Document it.
3562 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3564 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3565 * graphite-sese-to-poly.h (build_poly_scop): Same.
3567 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3569 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3570 the number of parameters in the scop. Use as an upper bound
3571 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3572 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3573 * doc/invoke.texi: Document it.
3575 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3577 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3578 * doc/c-tree.texi: Remove.
3579 * doc/generic.texi: Merge c-tree.texi here.
3580 * doc/gccint.texi (Trees): Remove menu entry.
3581 (c-tree.texi): Remove @include.
3582 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3583 * doc/languages.texi (Reading RTL): Ditto.
3585 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3588 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3590 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3593 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3594 code added to work around reload clobbering CONST insns.
3596 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3598 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3599 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3600 (cselib_preserve_only_values): Remove retain argument, don't
3601 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3602 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3603 * var-tracking.c (micro_operation): Move insn field before union.
3604 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3605 (struct variable_tracking_info_def): Remove n_mos field, change
3606 mos into a vector of micro_operations.
3607 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3608 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3609 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3610 changing into a vector.
3611 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3612 come before all other uops generated by add_stores.
3613 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3615 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3616 a vector. Run just one pass over the bbs instead of separate counting
3617 and computation phase.
3618 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3621 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3622 into *nonlocalized_list vector.
3623 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3624 even if origin is non-NULL.
3625 (gen_variable_die): Likewise.
3626 (process_scope_var): Don't change origin.
3627 (gen_decl_die): Likewise.
3628 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3629 before adding new edges instead of after it, fix moving over
3632 2010-03-11 David S. Miller <davem@davemloft.net>
3634 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3636 * configure: Rebuild.
3638 2010-03-11 Martin Jambor <mjambor@suse.cz>
3640 PR tree-optimization/43257
3641 * tree.c (assign_assembler_name_if_neeeded): New function.
3642 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3644 * tree.h (assign_assembler_name_if_neeeded): Declare.
3645 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3646 the function if needed.
3648 2010-03-11 Chris Demetriou <cgd@google.com>
3650 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3651 include/stdint-gcc.h, and include/stdint.h world-readable.
3653 2010-03-11 Richard Guenther <rguenther@suse.de>
3655 PR tree-optimization/43255
3656 * tree-vrp.c (process_assert_insertions_for): Do not insert
3657 asserts for trivial conditions.
3659 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3661 PR tree-optimization/43280
3662 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3663 generation. Move calculation of size out of the if branch.
3664 (find_bswap): Modify compare number generation.
3666 2010-03-11 Richard Guenther <rguenther@suse.de>
3669 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3670 (input_gimple_stmt): Fixup handled component types during
3671 operand read. Also fix up decls in ADDR_EXPRs.
3673 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3675 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3676 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3678 2010-03-10 Jan Hubicka <jh@suse.cz>
3681 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3682 * varasm.c (get_variable_section): Don't do that here...
3683 (make_decl_rtl): ... and here.
3684 (do_assemble_alias): Produce decl RTL.
3685 (assemble_alias): Likewise.
3687 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3690 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3691 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3693 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3694 (based_loc_descr): Only express drap or vdrap regno based expressions
3695 using DW_OP_fbreg when not optimizing.
3696 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3697 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3698 REG_CFA_SET_VDRAP note.
3700 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3702 PR tree-optimization/43236
3703 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3704 error in calculation of base address in reverse iteration case.
3705 (generate_builtin): Take number of latch executions if the statement
3708 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3711 * tree-eh.c: Include pointer-set.h.
3712 (lower_eh_dispatch): Filter out duplicate case labels and
3713 remove the unneeded edge when the label is unused. Return
3714 true when some edges are removed.
3715 (execute_lower_eh_dispatch): When any lowering resulted in
3716 removing an edge, also delete unreachable blocks.
3718 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3721 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3722 UNSPEC_MACHOPIC_OFFSET.
3724 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3727 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3728 (m68k_delegitimize_address): New function.
3730 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3733 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3736 * var-tracking.c (adjust_sets): New function.
3737 (count_with_sets, add_with_sets): Use it.
3738 (get_adjusted_src): New inline function.
3739 (add_stores): Use it.
3742 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3743 call cselib_dummy_expand_value_rtx_cb instead of
3744 cselib_expand_value_rtx_cb.
3747 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3748 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3749 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3750 and .cfi_endproc around the pic thunks.
3751 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3752 all queued unwind info register saves are saved before the call.
3753 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3754 considered as sp-=4 for unwind info and the pop as sp+=4 which
3755 also clobbers dest, but doesn't actually restore it.
3758 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3759 RTX_FRAME_RELATED_P.
3761 2010-03-09 Jie Zhang <jie@codesourcery.com>
3763 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3764 whitespaces in output template.
3766 2010-03-09 Jie Zhang <jie@codesourcery.com>
3768 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3771 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3773 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3774 builtins.exp in a separate job.
3776 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3778 * graphite-sese-to-poly.c (add_param_constraints): Use
3779 lower_bound_in_type and upper_bound_in_type.
3781 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3783 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3784 instead of unsigned_type_node.
3786 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3787 Reza Yazdani <reza.yazdani@amd.com>
3790 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3791 on pointer type parameters.
3793 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3797 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3798 handle conversions from pointer to integers.
3799 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3800 induction variable, to be able to work with code generated by CLooG.
3801 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3802 (build_poly_scop): Bail out if we cannot codegen a loop.
3804 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3806 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3807 code generation with gloog_error.
3809 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3811 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3812 Call fold_convert on all the returned values.
3813 (expand_scalar_variables_expr): Pass to
3814 expand_scalar_variables_ssa_name the type of the resulting expression.
3816 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3818 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3819 ppl_min_for_le_pointset.
3820 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3821 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3823 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3825 * graphite-dependences.c (map_into_dep_poly): Removed.
3826 (dependence_polyhedron_1): Use combine_context_id_scat.
3828 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3830 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3831 (struct poly_bb): Same.
3832 (combine_context_id_scat): New.
3834 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3837 * sese.c (name_defined_in_loop_p): Return false for default
3840 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3842 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3843 and clean up the logic.
3845 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3847 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3850 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3852 * var-tracking.c (remove_cselib_value_chains): Define only for
3854 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3855 delete_slot_part, emit_notes_for_differences_1): Don't call
3856 remove_cselib_value_chains here.
3857 (set_slot_part, emit_notes_for_differences_2): Don't call
3858 add_cselib_value_chains here.
3859 (preserved_values): New vector.
3860 (preserve_value): New function.
3861 (add_uses, add_stores, vt_add_function_parameters): Use it
3862 instead of cselib_preserve_value.
3863 (changed_values_stack): New vector.
3864 (check_changed_vars_0): New function.
3865 (check_changed_vars_1, check_changed_vars_2): Use it.
3866 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3867 changed_values_stack VALUEs.
3868 (vt_emit_notes): For all preserved_values call
3869 add_cselib_value_chains. If ENABLE_CHECKING call
3870 remove_cselib_value_chains before verifying value_chains is empty.
3871 Initialize and free changed_values_stack.
3872 (vt_initialize): Initialize preserved_values.
3873 (vt_finalize): Free preserved_values.
3875 2010-03-08 Richard Guenther <rguenther@suse.de>
3877 PR tree-optimization/43269
3878 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3881 2010-03-08 Martin Jambor <mjambor@suse.cz>
3883 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3884 (ipa_is_param_called): Removed.
3885 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
3886 (ipa_print_node_params): Do not print the called flag.
3887 (ipa_write_node_info): Do not stream the called flag.
3888 (ipa_read_node_info): Likewise.
3890 2010-03-07 Jakub Jelinek <jakub@redhat.com>
3893 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
3894 * cselib.c (struct expand_value_data): Add dummy field.
3895 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
3897 (cselib_dummy_expand_value_rtx_cb): New function.
3898 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
3900 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
3901 * var-tracking.c: Include pointer-set.h.
3902 (variable): Change n_var_parts to char from int. Add
3903 cur_loc_changed and in_changed_variables fields.
3904 (variable_canonicalize): Remove.
3905 (shared_var_p): New inline function.
3906 (unshare_variable): Maintain cur_loc_changed and
3907 in_changed_variables fields. If var was in changed_variables,
3908 replace it there with new_var. Just copy cur_loc instead of
3909 resetting it to something else.
3910 (variable_union): Don't recompute cur_loc. Use shared_var_p.
3911 (dataflow_set_union): Don't call variable_canonicalize.
3912 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
3913 of their DEBUG_EXPR_TREE_DECLs.
3914 (canonicalize_loc_order_check): Verify that cur_loc is NULL
3915 and in_changed_variables and cur_loc_changed is false.
3916 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
3917 and cur_loc_changed. Don't update cur_loc here.
3918 (variable_merge_over_src): Don't call variable_canonicalize.
3919 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
3920 removing loc that is equal to cur_loc, clear cur_loc,
3921 set cur_loc_changed and ensure variable_was_changed is called.
3922 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
3923 compare pointers in cur_loc check, if it is equal to loc,
3924 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
3925 (variable_different_p): Remove compare_current_location argument,
3926 don't compare cur_loc.
3927 (dataflow_set_different_1): Adjust variable_different_p caller.
3928 (variable_was_changed): If dv had some var in changed_variables
3929 already, reset in_changed_variables flag for it and propagate
3930 cur_loc_changed over to the new variable. On empty var
3931 always set cur_loc_changed. Set in_changed_variables on whatever
3932 var is added to changed_variables.
3933 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
3934 Use shared_var_p. When removing loc that is equal to cur_loc,
3935 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
3936 end, don't set it to something else, just call variable_was_changed.
3937 (delete_slot_part): Use shared_var_p. When cur_loc equals to
3938 loc being removed, clear cur_loc and set cur_loc_changed.
3939 Set cur_loc_changed if all locations have been removed.
3940 (struct expand_loc_callback_data): New type.
3941 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
3942 allocated. Always create SUBREGs if simplify_subreg failed.
3943 Prefer to use cur_loc, when that fails and still in
3944 changed_variables (and seen first time) recompute it. Set
3945 cur_loc_changed of variables which had to change cur_loc and
3946 compute elcd->cur_loc_changed if any of the subexpressions used
3947 had to change cur_loc.
3948 (vt_expand_loc): Adjust to pass arguments in
3949 expand_loc_callback_data structure.
3950 (vt_expand_loc_dummy): New function.
3951 (emitted_notes): New variable.
3952 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
3953 that weren't used for any other decl in current
3954 emit_notes_for_changes call call vt_expand_loc_dummy to update
3955 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
3956 first loc_chain location if NULL before. Always use just
3957 cur_loc instead of first loc_chain location. When cur_loc_changed
3958 is false, when not --enable-checking=rtl just don't emit any note.
3959 When rtl checking, compute the note and assert it is the same
3960 as previous note. Clear cur_loc_changed and in_changed_variables
3961 at the end before removing from changed_variables.
3962 (check_changed_vars_3): New function.
3963 (emit_notes_for_changes): Traverse changed_vars to call
3964 check_changed_vars_3 on each changed var.
3965 (emit_notes_for_differences_1): Clear cur_loc_changed and
3966 in_changed_variables. Recompute cur_loc of new_var.
3967 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
3968 (vt_emit_notes): Initialize and destroy emitted_notes.
3970 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
3972 PR rtl-optimization/42220
3973 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
3974 Use verify_reg_tracked to determine if we should use OP_OUT rather
3976 (build_def_use): If we see an in-out operand for a register that we
3977 know nothing about, treat is an output if possible, fail the block if
3980 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3983 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
3986 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3989 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
3990 uses of relevant DEFs that are dead outside the loop too.
3992 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
3994 * var-tracking.c (dataflow_set_merge): Swap src and src2.
3996 2010-01-13 Jakub Jelinek <jakub@redhat.com>
3998 * var-tracking.c (values_to_unmark): New variable.
3999 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4000 values_to_unmark vector. Moved body to...
4001 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4002 instead queue it into values_to_unmark vector.
4003 (vt_find_locations): Free values_to_unmark vector.
4005 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4007 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4008 (site.exp): Export them when plugins are enabled.
4010 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4013 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4015 (chrec_fold_multiply): Same.
4017 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4020 * c-decl.c (build_compound_literal): Return early if init is
4023 2010-03-04 Martin Jambor <mjambor@suse.cz>
4025 PR tree-optimization/43164
4026 PR tree-optimization/43191
4027 * tree-sra.c (type_consists_of_records_p): Reject records with
4028 zero-size bit-fields at the end.
4030 2010-03-04 Mike Stump <mikestump@comcast.net>
4032 * Makefile.in (TAGS): Remove *.y.
4034 2010-03-04 Richard Guenther <rguenther@suse.de>
4036 PR tree-optimization/40761
4037 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4039 (my_rev_post_order_compute): New function.
4040 (init_pre): Call it.
4042 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4045 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4046 decrease the cost of an IV candidate when the cost is infinite.
4048 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4050 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4051 Use '3DNow!' for the extension of that name, ensure normal space
4053 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4055 2010-03-03 Jeff Law <law@redhat.com>
4057 * PR middle-end/32693
4058 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4059 than gen_rtx_SUBREG.
4060 (extract_bit_field_1): Likewise.
4062 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4064 * doc/sourcebuild.texi (Test directives): Document that arguments
4065 include-opts and exclude-opts are now optional for dg-skip-if,
4066 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4068 2010-03-03 Jason Merrill <jason@redhat.com>
4071 * cgraph.h (varpool_node): Add extra_name field.
4072 * varpool.c (varpool_extra_name_alias): New.
4073 (varpool_assemble_decl): Emit extra name aliases.
4074 (varpool_mark_needed_node): Look past an extra name alias.
4075 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4076 * lto-streamer-in.c (lto_input_tree): Read it.
4077 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4079 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4081 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4082 (sparc*-*-solaris2*): ...this.
4084 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4087 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4088 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4089 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4090 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4093 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4094 fallthrough to default handling, just with want_address 0 instead of 2.
4095 For single element lists, add_AT_loc directly, otherwise create an
4096 artificial variable DIE and stick location list to it.
4099 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4100 (VAL_EXPR_HAS_REVERSE): Define.
4101 (reverse_op): New function.
4102 (add_stores): For reversible operations add an extra MO_VAL_USE.
4104 2010-03-02 Jason Merrill <jason@redhat.com>
4106 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4108 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4110 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4111 (sparc64-*-linux*): Likewise.
4112 (sparc64-*-solaris2*): Include assembler files before linker ones.
4113 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4114 * config/sparc/gas.h: Delete.
4115 * config/sparc/sol2-64.h: Add copyright notice.
4116 * config/sparc/sol2-gas-bi.h: Likewise.
4117 * config/sparc/sol2-gld.h: Likewise.
4118 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4119 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4120 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4121 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4122 (sparc_elf_asm_named_section): Rename into...
4123 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4125 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4127 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4129 2010-03-02 Jeff Law <law@redhat.com>
4132 * reload1.c (rtx_p, substitute_stack): Declare.
4133 (substitute): Record addresses of changed rtxs.
4134 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4135 Restore the original rtx when complete.
4136 (reload): Free subsitute_stack when complete.
4138 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4140 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4141 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4143 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4144 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4145 Torture Tests): Change from subsection to section.
4147 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4148 Steven Bosscher <steven@gcc.gnu.org>
4150 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4153 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4156 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4157 the assignment from the new induction variable to the assignment
4158 of the value from the original loop PHI function.
4160 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4161 Daniel Jacobowitz <dan@codesourcery.com>
4163 * doc/sourcebuild.texi (Test directives): Clarify options to
4166 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4168 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4169 Disable cfi directives unless GCC and gas agree on using read-only
4170 .eh_frame sections for 64-bit.
4171 * configure: Regenerate.
4173 2010-03-01 Richard Guenther <rguenther@suse.de>
4175 PR tree-optimization/43220
4176 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4177 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4179 2010-03-01 Richard Guenther <rguenther@suse.de>
4180 Martin Jambor <mjambor@suse.cz>
4183 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4184 gimplified parameters.
4186 2010-03-01 Christian Bruel <christian.bruel@st.com>
4188 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4190 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4192 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4194 2010-03-01 Richard Guenther <rguenther@suse.de>
4197 * expr.c (expand_assignment): Use the alias-oracle to tell
4198 if the rhs aliases the result decl.
4200 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4203 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4204 to sol_gt_pch_get_address.
4205 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4206 64-bit, SPARC and x86.
4207 (sol_gt_pch_get_address): New function.
4209 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4211 * toplev.h (inform_n, error_n): Declare.
4212 * diagnostic.c (inform_n, error_n): New function.
4214 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4216 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4217 has no rtl yet when processing local_decls, queue it and recheck
4218 if deferred stack allocation hasn't assigned it rtl.
4220 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4222 * config/sh/sh.c (unspec_bbr_uid): New.
4223 (gen_block_redirect): Use it instead of INSN_UID.
4224 (gen_far_branch): Likewise.
4226 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4228 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4229 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4231 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4233 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4234 (Warning Options): -Wno-conversion-null is valid for
4235 Objective-C++ as well.
4236 * doc/tm.texi (Named Address Spaces): Likewise.
4237 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4238 * doc/tree-ssa.texi (Tree SSA): Likewise.
4240 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4243 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4244 by default. Don't set the default arch for
4245 i[34567]86-*-darwin*|x86_64-*-darwin*.
4247 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4250 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4251 default. Set the default 32bit/64bit archs with $with_arch
4252 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4254 2010-02-27 Richard Guenther <rguenther@suse.de>
4256 PR tree-optimization/43186
4257 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4258 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4259 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4260 unroller iterations.
4262 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4264 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4265 required and i[34567]86-*-* targets don't support 64bit ISA.
4267 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4270 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4273 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4275 * config.gcc: Set the default arch at least to Prescott for
4276 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4277 if SSE math is enabled.
4279 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4281 * diagnostic.c (diagnostic_initialize): Update.
4282 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4284 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4285 (diagnostic_inhibit_notes): New.
4286 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4288 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4291 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4292 * doc/standards.texi: Likewise.
4293 * doc/extend.texi: Likewise.
4294 * doc/trouble.texi: Likewise.
4295 * doc/cppopts.texi: Likewise.
4296 * doc/install.texi: Likewise.
4297 * c.opt (std=c90,std=gnu90): New options.
4298 * c-opts.c (c_common_handle_option): Handle them.
4300 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4303 * c-decl.c (undeclared_variable): Use an informative note.
4305 2010-02-26 Richard Guenther <rguenther@suse.de>
4307 PR tree-optimization/43186
4308 * gimple.h (gimple_fold): Remove.
4309 * gimple.c (gimple_fold): Remove. Inline into single user ...
4310 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4311 Try harder for conditions.
4313 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4316 * function.c (used_types_insert): Don't skip through named pointer
4317 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4318 and it is different from the main variant's type.
4320 2010-02-26 Nick Clifton <nickc@redhat.com>
4322 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4324 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4326 * config.gcc: Support --with-fpmath=sse for x86.
4328 * config/i386/ssemath.h: New.
4330 * doc/install.texi (--with-fpmath=sse): Documented.
4332 2010-02-26 Richard Guenther <rguenther@suse.de>
4334 PR tree-optimization/43188
4335 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4336 vector types of over-aligned element type.
4338 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4341 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4342 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4344 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4346 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4348 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4350 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4351 * var-tracking.c: Include diagnostic.h.
4352 (debug_dv): New function.
4353 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4356 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4357 (add_value_chain, add_value_chains, remove_value_chain,
4358 remove_value_chains): Handle DEBUG_EXPRs.
4359 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4362 * regcprop.c (struct queued_debug_insn_change): New type.
4363 (struct value_data_entry): Add debug_insn_changes field.
4364 (struct value_data): Add n_debug_insn_changes field.
4365 (debug_insn_changes_pool): New variable.
4366 (free_debug_insn_changes, apply_debug_insn_changes,
4367 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4368 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4369 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4371 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4373 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4374 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4375 changes, call cprop_find_used_regs via note_stores.
4376 (copyprop_hardreg_forward): When copying vd from predecessor
4377 which has any queued DEBUG_INSN changes, make sure the pointers are
4378 cleared. At the end call df_analyze and then if there are any
4379 DEBUG_INSN changes queued at the end of some basic block for still
4380 live registers, apply them.
4381 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4383 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4385 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4388 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4390 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4391 targets. Set the default with_cpu/with_arch from arch/cpu.
4392 Allow x86-64 and native for with_cpu/with_arch.
4394 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4396 * ebitmap.c: Change calls to verify_popcount with calls to
4397 sbitmap_verify_popcount.
4398 (ebitmap_clear_bit): Fixed map->cacheindex test and
4399 map>cache update when bit clearing results in an empty
4402 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4405 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4406 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4407 and support both V2DF and V2DI modes.
4408 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4409 support both V2DF and V2DI modes.
4410 (general): Delete trailing whitespace from a few patterns.
4412 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4413 V2DF/V2DI interleave high/low builtins.
4415 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4418 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4419 interleave high/low functions.
4421 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4423 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4424 #pragma extern_prefix.
4426 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4429 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4430 BLKmode, assert op0 is a MEM and just adjust its mode.
4433 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4434 if bitpos isn't multiple of mode's bitsize.
4436 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4438 * c.opt (-ftemplate-depth=): New.
4439 (-ftemplate-depth-): Deprecate.
4440 * optc-gen.awk: Handle -ftemplate-depth=.
4441 * opth-gen.awk: Likewise.
4442 * c-opts.c (c_common_handle_option): Likewise.
4443 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4445 2010-02-24 Jason Merrill <jason@redhat.com>
4447 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4449 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4451 * cfg.c (alloc_aux_for_block): Remove inline.
4452 (alloc_aux_for_edge): Likewise.
4454 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4456 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4458 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4460 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4461 * config/i386/sol2-gas.h: New file.
4462 * config.gcc (i[34567]86-*-solaris2*): Use it.
4464 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4467 * c-typeck.c (ep_convert_and_check): New.
4468 (build_conditional_expr): Use it.
4469 (build_binary_op): Likewise.
4471 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4473 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4476 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4477 bounds even for -O+.
4478 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4479 expr needs to have DECL_NAME set.
4481 2010-02-24 Nick Clifton <nickc@redhat.com>
4483 * config/mep/mep.c: Include gimple.h.
4484 (mep_function_uses_sp): Delete unused function.
4485 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4486 parameters. Use unsigned integers to count args. Return a
4487 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4489 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4492 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4493 greater or equal to nelt instead of 2 * nelt.
4494 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4497 2010-02-23 Jason Merrill <jason@redhat.com>
4500 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4501 in cfun->local_decls even if they have register types.
4504 * stor-layout.c (place_field): Don't warn about unnecessary
4505 DECL_PACKED if the type is packed.
4507 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4510 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4511 GOTOFF relocs, even when the base reg isn't pic pointer.
4513 2010-02-23 Michael Matz <matz@suse.de>
4516 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4517 (expand_gimple_basic_block): Generate and use debug temps if there
4518 are debug uses left after the last real use of TERed ssa names.
4519 Unlink debug immediate uses when they are expanded.
4521 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4524 * config/i386/i386.c (override_options): Reorganise to provide
4525 better error messages.
4527 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4530 * graphite-scop-detection.c (create_single_exit_edge): Move
4531 the call to find_single_exit_edge to....
4532 (create_sese_edges): ...here. Don't handle multiple edges
4533 exiting the function.
4534 (build_graphite_scops): Don't handle multiple edges
4535 exiting the function.
4537 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4540 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4541 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4543 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4546 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4548 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4551 * c-typeck.c (convert_arguments): Print declaration location.
4552 * c-common.c (validate_nargs): Rename as
4553 builtin_function_validate_nargs.
4554 (check_builtin_function_arguments): Update.
4556 2010-02-22 Richard Guenther <rguenther@suse.de>
4559 * tree-inline.c (declare_return_variable): Use the type of
4560 the call stmt lhs if available.
4562 2010-02-22 Duncan Sands <baldrick@free.fr>
4564 * passes.c (register_pass): Always consider all pass lists when
4565 ref_pass_instance_number is zero.
4567 2010-02-22 Richard Guenther <rguenther@suse.de>
4569 PR tree-optimization/42749
4570 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4571 parameter. Do arithmetic in the original type.
4572 (update_accumulator_with_ops): Likewise.
4573 (adjust_accumulator_values): Adjust.
4575 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4577 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4578 (QI to BLKmode splitter): New splitter.
4580 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4582 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4583 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4585 2010-02-22 Richard Guenther <rguenther@suse.de>
4587 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4589 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4591 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4592 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4593 ($(T)crti.o, $(T)crtn.o): Remove rules.
4595 2010-02-21 Tobias Burnus <burnus@net-b.de>
4598 * doc/invoke.texi (-fassociative-math): Document that this
4599 option is automatically enabled for Fortran.
4601 2010-02-20 David S. Miller <davem@davemloft.net>
4603 * configure.ac: Test if linker and assembler properly support
4604 GOTDATA_OP relocations.
4605 * configure: Rebuild.
4606 * config.in: Likewise.
4607 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4608 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4609 (movsi_high_pic): Likewise.
4610 (movdi_lo_sum_pic): Likewise.
4611 (movdi_high_pic): Likewise.
4612 (movsi_pic_gotdata_op): New pattern.
4613 (movdi_pic_gotdata_op): Likewise.
4614 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4615 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4617 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4620 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4621 attribute to ssemul.
4622 (xop_mulv2div2di3_high): Ditto.
4624 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4627 * c.opt (Wconversion-null): New option.
4628 * doc/invoke.texi (Wconversion-null): Document.
4630 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4632 * common.opt (Wlarger-than-): Add Undocumented.
4634 2010-02-19 Mike Stump <mikestump@comcast.net>
4636 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4638 2010-02-19 Jason Merrill <jason@redhat.com>
4641 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4642 * configure: Likewise.
4644 2010-02-20 Alan Modra <amodra@gmail.com>
4647 * cgraph.h (cgraph_make_decl_local): Declare.
4648 * cgraph.c (cgraph_make_decl_local): New function.
4649 (cgraph_make_node_local): Use it.
4650 * cgraphunit.c (cgraph_function_versioning): Likewise.
4651 * ipa.c (function_and_variable_visibility): Likewise.
4653 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4656 * except.c (sjlj_emit_function_enter): Don't call
4657 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4659 * rtl.h (add_reg_br_prob_note): Remove prototype.
4661 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4664 * c-common.c (conversion_warning): Remove widening conversions
4665 before checking the conversion of integers to reals.
4667 2010-02-19 Mike Stump <mikestump@comcast.net>
4670 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4673 * cgraphunit.c (process_function_and_variable_attributes): Check
4674 DECL_PRESERVE_P instead of looking up attribute "used".
4675 * ipa-pure-const.c (check_decl): Likewise.
4676 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4677 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4678 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4679 instead of attribute "used".
4680 * config/sol2-c.c (solaris_pragma_init): Likewise.
4681 (solaris_pragma_fini): Likewise.
4683 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4685 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4686 Use XCNEW instead of xcalloc.
4687 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4688 XNEW instead of xmalloc.
4689 (get_fields): Use XNEWVEC instead of xmalloc.
4692 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4693 populate vars array.
4694 (create_new_general_access): For debug stmts just reset value.
4695 (get_stmt_accesses): For accesses within debug stmts just record them
4696 using add_access_to_acc_sites instead of preventing the peeling or
4697 counting them as accesses.
4700 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4702 2010-02-19 Richard Guenther <rguenther@suse.de>
4704 PR tree-optimization/42916
4705 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4708 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4710 * configure.ac: Replace all uses of changequote in macro arguments
4711 with proper quoting.
4713 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4716 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4718 2010-02-19 Richard Guenther <rguenther@suse.de>
4720 PR tree-optimization/42944
4721 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4722 test for aliasing with errno.
4724 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4727 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4728 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4729 * dojump.c: Include output.h.
4730 (inv): New inline function.
4731 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4732 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4733 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4734 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4735 argument, pass it down to other calls.
4736 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4737 add REG_BR_PROB note to the conditional jump.
4738 * cfgexpand.c (add_reg_br_prob_note): Removed.
4739 (expand_gimple_cond): Don't call it, add the probability
4740 as last argument to jumpif_1/jumpifnot_1.
4741 * Makefile.in (dojump.o): Depend on output.h.
4742 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4744 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4745 * stmt.c (do_jump_if_equal): Likewise.
4746 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4747 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4748 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4750 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4751 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4752 jumpifnot_1 callers.
4753 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4755 (store_expr): Adjust jumpifnot caller.
4756 (store_constructor): Adjust jumpif caller.
4759 * gimplify.c (gimple_boolify): For __builtin_expect call
4760 gimple_boolify also on its first argument.
4762 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4764 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4766 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4767 * configure: Regenerated.
4769 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4771 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4772 lang_hooks.types_compatible_p instead of comptypes.
4774 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4776 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4777 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4778 if __prefer_thumb__ is defined.
4780 2010-02-18 Martin Jambor <mjambor@suse.cz>
4782 PR tree-optimization/43066
4783 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4784 array with zero-sized element type.
4786 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4788 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4789 rtx, allocate struct var_loc_node here and return it to the
4790 caller, and only if it is actually needed.
4791 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4792 move it earlier and return immediately if it returns NULL.
4794 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4796 * config/sparc/gas.h: New file. Restore
4797 TARGET_ASM_NAMED_SECTION to its ELF default.
4798 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4800 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4801 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4802 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4803 after sparc/sysv4.h.
4805 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4807 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4809 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4811 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4812 patterns from predicated pattern.
4814 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4817 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4818 for insn mnemonic suffix.
4820 2010-02-17 Richard Guenther <rguenther@suse.de>
4822 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4825 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4828 * caller-save.c (save_call_clobbered_regs): If BB ends with
4829 a DEBUG_INSN, move any notes in between last real insn and the last
4830 DEBUG_INSN after the last DEBUG_INSN.
4832 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4834 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4835 Fix return type. Fix argument type. Explain meaning of return value.
4837 2010-02-16 Richard Guenther <rguenther@suse.de>
4839 PR tree-optimization/41043
4840 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4841 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4843 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4845 2010-02-16 Ira Rosen <irar@il.ibm.com>
4847 PR tree-optimization/43074
4848 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4849 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4850 vectorizable cycles in hybrid SLP check.
4851 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4853 2010-02-16 Richard Guenther <rguenther@suse.de>
4855 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4856 (true_dependence): If memrefs_conflict_p computes must-alias
4857 trust it. Move TBAA check after offset-based disambiguation.
4858 (canon_true_dependence): Likewise.
4860 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4862 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4863 * doc/invoke.texi: Document it.
4864 * var-tracking.c: Include toplev.h and params.h.
4865 (vt_find_locations): Return bool indicating success. Compute
4866 hash sizes unconditionally. Check new parameter, report.
4867 (variable_tracking_main_1): Check vt_find_locations results and
4868 retry. Renamed from...
4869 (variable_tracking_main): ... this. New wrapper to preserve
4870 flag_var_tracking_assignments.
4871 * Makefile.in (var-tracking.o): Adjust dependencies.
4873 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4874 Jakub Jelinek <jakub@redhat.com>
4877 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4878 if weak_import attribute is present.
4879 * config/darwin.c (machopic_select_section): Likewise.
4881 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4883 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4884 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4885 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
4886 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
4888 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
4890 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
4893 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
4894 Rewrite text to refer to the names.
4896 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
4898 * config/i386/i386-builtin-types.def
4899 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
4900 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
4901 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
4902 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
4903 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
4904 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
4905 IX86_BUILTIN_VPERMIL2PS256.
4906 (MULTI_ARG_4_DF2_DI_I): Defined.
4907 (MULTI_ARG_4_DF2_DI_I1): Defined.
4908 (MULTI_ARG_4_SF2_SI_I): Defined.
4909 (MULTI_ARG_4_SF2_SI_I1): Defined.
4910 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
4911 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
4912 __builtin_ia32_vpermil2ps256.
4913 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4914 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4915 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
4916 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
4917 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
4918 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
4919 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
4920 CODE_FOR_xop_vpermil2v8sf3.
4921 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
4922 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
4923 * config/i386/xopintrin.h (_mm_permute2_pd): New.
4924 (_mm256_permute2_pd): New.
4925 (_mm_permute2_ps): New.
4926 (_mm256_permute2_ps): New.
4928 2010-02-15 Nick Clifton <nickc@redhat.com>
4930 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
4931 boolean parameters. Use emit_jump_insn when emitting a pop
4932 instruction containing a return insn.
4933 (push): Use 'true' rather than '1' as second parameter to F.
4934 (h8300_expand_prologue): Likewise.
4935 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
4936 (h8300_expand_epilogue): Likewise.
4938 2010-02-15 Richard Guenther <rguenther@suse.de>
4941 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
4944 2010-02-15 Nick Clifton <nickc@redhat.com>
4946 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
4949 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
4951 * intl.c (fake_ngettext): New function.
4952 * intl.h (fake_ngettext): Declare.
4953 (ngettext): Define macro.
4954 * collect2.c (notice_translated): New function.
4955 (main): Use notice_translated and ngettext.
4956 * collect2.h (notice_translated): Declare.
4958 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
4960 * reorg.c (delete_computation): Comment fixes.
4961 * caller-save.c (setup_save_areas): Idem.
4962 * sel-sched-dump.c (dump_lv_set): Idem.
4965 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4967 * config/s390/s390.c (s390_sched_init): New function.
4968 (TARGET_SCHED_INIT): Target hook defined.
4970 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
4971 Jack Howarth <howarth@bromo.med.uc.edu>
4972 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
4975 Partial revert of unintended change in fix for PR41605.
4976 * config/darwin.h: Fix typo.
4977 * config/darwin9.h: Same.
4979 2010-02-11 Jakub Jelinek <jakub@redhat.com>
4981 * c-pch.c (pch_init): Clear v.
4983 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4986 * graphite-scop-detection.c (graphite_can_represent_scev): Call
4987 graphite_can_represent_init for MULT_EXPR.
4989 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4993 * graphite-sese-to-poly.c (remove_phi): New.
4994 (translate_scalar_reduction_to_array): Call remove_phi.
4996 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
4999 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5000 * graphite-clast-to-gimple.h (gloog): Update declaration.
5001 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5002 * graphite-poly.h (struct poly_bb): Add missing comments.
5003 (struct scop): Add poly_scop_p field.
5005 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5006 * graphite.c (graphite_transform_loops): Build the polyhedral
5007 representation for each scop before code generation.
5008 * sese.c (rename_variables_in_operand): Removed.
5009 (rename_variables_in_expr): Return the renamed expression.
5010 (rename_sese_parameters): New.
5011 * sese.h (rename_sese_parameters): Declared.
5013 2010-02-11 Richard Guenther <rguenther@suse.de>
5015 PR tree-optimization/42998
5016 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5017 POINTER_PLUS_EXPR properly.
5019 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5020 Changpeng Fang <changpeng.fang@amd.com>
5023 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5024 the cost of an IV candidate when the IV is used in a test against zero.
5026 * gcc.dg/tree-ssa/ivopts-3.c: New.
5028 2010-02-11 Richard Guenther <rguenther@suse.de>
5031 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5032 pointer-vs-decl case by swapping refs. Handle some cases
5033 of pointer-vs-decl disambiguations more conservatively.
5034 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5035 to false after expanding.
5037 2010-02-11 Richard Guenther <rguenther@suse.de>
5040 * gcc.c (process_command): Handle LTO file@offset case more
5043 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5045 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5046 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5048 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5050 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5051 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5052 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5053 Optimize eq/ne comparisons when both arguments are known to be
5055 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5056 Don't mask operands unnecessarily if they are known to be already
5059 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5061 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5064 2010-02-10 Richard Guenther <rguenther@suse.de>
5066 PR tree-optimization/43017
5067 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5068 for wrapping signed arithmetic.
5070 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5073 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5074 if no debug info should be emitted for it.
5076 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5078 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5079 note when flag_exceptions is set.
5081 2010-02-10 Duncan Sands <baldrick@free.fr>
5083 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5085 2010-02-10 Richard Guenther <rguenther@suse.de>
5088 * tree.c (get_unwidened): Handle constants.
5089 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5091 2010-02-10 Martin Jambor <mjambor@suse.cz>
5094 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5095 check for variable argument counts independently.
5097 2010-02-10 Christian Bruel <christian.bruel@st.com>
5100 * config/sh/sh.c (find_barrier): Increase length for non delayed
5101 conditional branches.
5103 2010-02-10 Christian Bruel <christian.bruel@st.com>
5105 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5107 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5109 * builtins.c (set_builtin_user_assembler_name): Also handle
5110 ffs if int is smaller than word.
5112 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5115 * ira-conflicts.c (get_dup): Remove.
5116 (process_reg_shuffles): Add new parameter. Use it as an
5117 additional guard for copy generation.
5118 (add_insn_allocno_copies): Rewrite.
5120 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5122 * common.opt (fsched2-use-traces): Preserved for backward
5124 * doc/invoke.texi: Remove the documentation about option
5125 -fsched2-use-traces.
5126 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5127 flag_sched2_use_traces.
5128 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5129 the backward compatibility flag section.
5131 2010-02-09 Richard Guenther <rguenther@suse.de>
5133 PR tree-optimization/43008
5134 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5135 make HEAP variables initialized from global memory if they
5136 are not known builtin functions.
5137 (find_func_aliases): Adjust.
5139 2010-02-09 Richard Guenther <rguenther@suse.de>
5141 PR tree-optimization/43000
5142 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5143 arithmetic manually.
5145 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5147 PR tree-optimization/42931
5148 * tree-loop-linear.c (try_interchange_loops): Don't call
5149 double_int_mul if estimated_loop_iterations failed.
5151 2010-02-08 Martin Jambor <mjambor@suse.cz>
5154 * tree-sra.c (build_accesses_from_assign): Do not mark in
5155 should_scalarize_away_bitmap if stmt has volatile ops.
5156 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5159 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5161 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5163 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5165 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5168 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5171 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5173 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5176 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5177 to unknown_dependence.
5178 (graphite_legal_transform_dr): Handle the unknown_dependence.
5179 (graphite_carried_dependence_level_k): Same.
5181 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5183 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5185 2010-02-07 Richard Guenther <rguenther@suse.de>
5188 * expr.c (get_inner_reference): Always initialize *pbitsize.
5190 2010-02-07 Richard Guenther <rguenther@suse.de>
5193 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5194 new ARRAY_REFs on variable size element or minimal index arrays.
5196 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5197 gimple_fold_indirect_ref.
5199 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5202 * arm.c (arm_override_options): Just return if the user has specified
5203 an invalid fpu name.
5205 2010-02-03 Jason Merrill <jason@redhat.com>
5208 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5209 i386_pe_maybe_record_exported_symbol.
5211 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5214 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5215 (pa_delegitimize_address): New function.
5217 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5219 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5220 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5222 2010-02-05 Richard Guenther <rguenther@suse.de>
5225 * lto-streamer-in.c (get_resolution): Deal with references
5226 to undefined functions.
5228 2010-02-05 Richard Guenther <rguenther@suse.de>
5230 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5231 (fold_const_aggregate_ref): Likewise.
5232 (ccp_fold_stmt): Substitute loads.
5233 (maybe_fold_reference): Verify types before substituting.
5235 (fold_gimple_assign): Unshare properly.
5236 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5238 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5240 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5241 for rs6000_gen_cell_microcode.
5243 2010-02-04 Richard Guenther <rguenther@suse.de>
5245 PR rtl-optimization/42952
5246 * dse.c (const_or_frame_p): Remove MEM handling.
5248 2010-02-04 Nick Clifton <nickc@redhat.com>
5250 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5251 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5252 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5253 (mn10300_asm_output_mi_thunk): New function.
5254 (mn10300_can_output_mu_thunk): New function.
5255 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5256 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5257 (FUNCTION_ARG): Delete incorrect comment.
5259 2010-02-03 Jason Merrill <jason@redhat.com>
5262 * fold-const.c (operand_equal_p): Handle erroneous types.
5264 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5266 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5268 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5270 PR rtl-optimization/42941
5271 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5274 2010-02-03 Jason Merrill <jason@redhat.com>
5277 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5279 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5282 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5283 (cselib_reset_table): Renamed from...
5284 (cselib_reset_table_with_next_value): ... this.
5285 (cselib_get_next_uid): Renamed from...
5286 (cselib_get_next_unknown_value): ... this.
5287 * cselib.c (next_uid): Renamed from...
5288 (next_unknown_value): ... this.
5289 (cselib_clear_table): Adjust.
5290 (cselib_reset_table): Adjust. Renamed from...
5291 (cselib_reset_table_with_next_value): ... this.
5292 (cselib_get_next_uid): Adjust. Renamed from...
5293 (cselib_get_next_unknown_value): ... this.
5294 (get_value_hash): Use hash.
5295 (cselib_hash_rtx): Likewise.
5296 (new_cselib_val): Adjust. Set and dump uid.
5297 (cselib_lookup_mem): Pass next_uid as hash.
5298 (cselib_subst_to_values): Likewise.
5299 (cselib_log_lookup): Dump uid.
5300 (cselib_lookup): Pass next_uid as hash. Adjust.
5301 (cselib_process_insn): Adjust.
5302 (cselib_init): Initialize next_uid.
5303 (cselib_finish): Adjust.
5304 (dump_cselib_table): Likewise.
5305 * dse.c (canon_address): Dump value uid.
5306 * print-rtl.c (print_rtx): Print value uid.
5307 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5309 (dv_uid): New function, sort of renamed from...
5310 (dv_htab_hash): ... this, reimplemented in terms of it and...
5311 (dv_uid2hash): ... this. New.
5312 (variable_htab_eq): Drop excess assertions.
5313 (tie_break_pointers): Removed.
5314 (canon_value_cmp): Compare uids.
5315 (variable_post_merge_New_vals): Print uids.
5316 (vt_add_function_parameters): Adjust.
5317 (vt_initialize): Reset table. Adjust.
5319 2010-02-03 Richard Guenther <rguenther@suse.de>
5321 PR tree-optimization/42944
5322 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5323 (call_may_clobber_ref_p_1): Likewise. Properly handle
5324 malloc and calloc clobbering errno.
5326 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5328 * doc/invoke.texi: Fix name of sched1 dump.
5330 * opts.c (decode_options): Set flag_tree_switch_conversion
5331 only conditionally on optimize >= 2.
5333 * gcse.c: Assorted comment fixes in pass description.
5335 2010-02-03 Anthony Green <green@moxielogic.com>
5337 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5338 nop padding in order to maintain alignment of storage location of
5339 target function address.
5340 (moxie_trampoline_init): Store target function address at newly
5342 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5344 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5346 2010-02-03 Richard Guenther <rguenther@suse.de>
5349 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5351 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5353 * config.gcc: Reenable check for obsolete targets.
5354 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5355 mips-sgi-irix6.[0-4]*.
5357 2010-02-02 Nick Clifton <nickc@redhat.com>
5359 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5360 constant size of 4 as being the same as 0.
5361 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5362 can take values in the range 0..4.
5364 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5367 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5368 as _darwin10_Unwind_FindEnclosingFunction().
5369 * libgcc-libsystem.ver: New.
5371 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5374 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5375 implicitly set registers.
5377 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5379 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5380 (arm_override_options): Allow automatic selection of the thread
5381 pointer register if thumb2.
5382 (legitimize_pic_address): Improve code sequences for Thumb2.
5383 (arm_call_tls_get_addr): Likewise.
5384 (legitimize_tls_address): Likewise.
5385 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5386 (pic_load_addr_32bit): ... this. New named pattern.
5387 * thumb2.md (pic_load_addr_thumb2): Delete.
5388 (pic_load_dot_plus_four): Delete.
5389 (tls_load_dot_plus_four): New named pattern.
5391 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5394 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5395 Document fix for TLS bug.
5397 2010-01-31 Richard Guenther <rguenther@suse.de>
5399 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5400 conservatively correct.
5402 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5406 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5408 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5410 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5412 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5414 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5416 * config.gcc: Adjust order of makefile fragments for mingw targets.
5418 2010-01-31 Richard Guenther <rguenther@suse.de>
5421 * gimplify.c (gimplify_init_constructor): For volatile LHS
5422 initialize a temporary.
5424 2010-01-31 Matthias Klose <doko@ubuntu.com>
5426 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5428 * configure: Regenerate.
5430 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5432 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5433 the same alias set and their sizes different constantness.
5434 (aliasing_component_refs_p): Revert 2009-10-24 change.
5436 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5438 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5441 2010-01-29 Richard Guenther <rguenther@suse.de>
5443 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5444 Assert we successfully updated the call.
5446 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5448 PR rtl-optimization/42889
5449 * df.h (df_set_bb_dirty_nonlr): New prototype.
5450 * df-core.c (df_set_bb_dirty_nonlr): New function.
5451 * df-scan.c (df_insn_rescan): Call it instead of
5452 df_set_bb_dirty for DEBUG_INSNs.
5454 2010-01-29 Richard Guenther <rguenther@suse.de>
5457 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5458 quadratic behavior in most cases.
5460 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5463 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5464 in the call to gen_x86_movsicc_0_m1.
5466 2010-01-28 Richard Guenther <rguenther@suse.de>
5468 PR tree-optimization/42871
5469 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5471 2010-01-28 Richard Guenther <rguenther@suse.de>
5473 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5474 into call arguments.
5476 2010-01-28 Richard Guenther <rguenther@suse.de>
5479 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5480 the forwarder if the destination is an EH landing pad.
5482 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5484 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5485 block list passed to gimple_duplicate_sese_tail.
5486 (parallelize_loops): Avoid parallelization when the function
5488 Avoid parallelization when the preheader is IRREDUCIBLE.
5489 Try to optimize when estimated_loop_iterations_int is unresolved.
5490 Add the loop's location to the dump file.
5491 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5492 (gimple_duplicate_sese_tail): Remove the check for the latch.
5493 Redirect nexits to the exit block.
5494 Remove handling of the incoming edges to the latch.
5495 Redirect the backedge from the copied latch to the exit bb.
5497 2010-01-28 Michael Matz <matz@suse.de>
5500 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5501 Wrap force_reg into a sequence, emit it before user.
5503 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5505 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5507 (arm_legacy_rev): Likewise.
5508 (thumb_legacy_rev): Likewise.
5510 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5512 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5513 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5514 on MEM's address failed, try avoid_constant_pool_reference and
5515 recurse if it returned something different.
5516 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5517 address, try avoid_constant_pool_reference and recurse if it
5518 returned something different.
5519 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5520 address and avoid_constant_pool_reference returned something
5521 different, don't set have_address.
5523 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5526 * var-tracking.c (val_store): Add modified argument, obey it.
5528 (count_uses): Move down logging of main.
5529 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5530 don't need resolution.
5531 (emit_notes_in_bb): Likewise.
5533 2010-01-27 Richard Guenther <rguenther@suse.de>
5536 * tree-inline.c (remap_decl): Delay remapping of SSA name
5537 default definitions until we need them.
5539 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5541 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5542 (rs6000_delegitimize_address): New function.
5544 * config/s390/s390.c (s390_delegitimize_address): Call
5545 delegitimize_mem_from_attrs.
5548 * tree-inline.c (cannot_copy_type_1): Removed.
5549 (copy_forbidden): Don't forbid copying of functions containing
5550 records/unions with variable length fields.
5552 2010-01-27 Christian Bruel <christian.bruel@st.com>
5556 * config/sh/sh.c (find_barrier): Increase length for non delayed
5557 conditional branches.
5559 2010-01-27 Matthias Klose <doko@ubuntu.com>
5561 * configure.ac (gnu-unique-object): Fix ldd version check.
5562 * configure: Regenerate.
5564 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5566 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5568 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5569 Test for HAVE_GNU_AS value.
5571 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5573 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5574 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5575 INT64_TYPE): Define.
5576 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5577 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5578 INT_LEAST64_TYPE): Define.
5579 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5580 UINT_LEAST64_TYPE): Define.
5581 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5582 INT_FAST64_TYPE): Define.
5583 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5584 UINT_FAST64_TYPE): Define.
5585 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5586 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5587 (SIG_ATOMIC_TYPE): Define.
5589 2010-01-26 Richard Guenther <rguenther@suse.de>
5591 * df-scan.c (df_scan_set_bb_info): Remove assert.
5592 (df_insn_rescan_debug_internal): Merge asserts.
5593 (df_install_ref): Likewise.
5594 (df_mark_reg): Use bitmap_set_range.
5595 (df_hard_reg_used_p): Remove assert.
5596 (df_hard_reg_used_count): Likewise.
5598 2010-01-26 Richard Guenther <rguenther@suse.de>
5600 PR rtl-optimization/42685
5601 * web.c (web_main): Ignore DEBUG_INSNs.
5603 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5605 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5607 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5608 Fix types of fndecl and arglist parameters.
5610 2010-01-26 Richard Guenther <rguenther@suse.de>
5613 * tree-eh.c (unsplit_eh): Skip debug insns.
5615 2010-01-26 Richard Guenther <rguenther@suse.de>
5617 PR tree-optimization/42250
5618 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5620 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5623 * omp-low.c (expand_omp_sections): Only use single_pred if
5624 l2_bb is single_pred_p.
5626 2010-01-25 Christian Bruel <christian.bruel@st.com>
5629 * config/sh/sh.c (find_barrier): Increase length for non delayed
5630 conditional branches.
5631 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5633 2010-01-24 David S. Miller <davem@davemloft.net>
5635 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5636 define if not using GAS.
5637 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5638 Likewise. Delete SECTION_MERGE code, which is only applicable
5641 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5644 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5645 mangling of va_list in system headers.
5647 2010-01-23 Toon Moene <toon@moene.org>
5649 * tree-predcom.c (combine_chains): Return NULL, not false.
5651 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5653 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5654 initialization of variable res to agree with return type.
5656 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5658 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5659 * tree-sra.c: Add include of expr.h.
5661 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5663 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5664 insert the debug stmt on the single non-EH edge from the stmt.
5666 2010-01-22 Richard Henderson <rth@redhat.com>
5669 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5670 the RHS until after generate_subtree_copies has insertted its
5671 code before the current statement.
5673 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5675 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5677 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5679 2010-01-21 Martin Jambor <mjambor@suse.cz>
5681 PR tree-optimization/42585
5682 * tree-sra.c (struct access): New field grp_total_scalarization.
5683 (dump_access): Dump the new field.
5684 (should_scalarize_away_bitmap): New variable.
5685 (cannot_scalarize_away_bitmap): Likewise.
5686 (sra_initialize): Allocate new bitmaps.
5687 (sra_deinitialize): Free new bitmaps.
5688 (create_access_1): New function.
5689 (create_access): Parts moved to create_access_1.
5690 (type_consists_of_records_p): New function.
5691 (completely_scalarize_record): Likewise.
5692 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5693 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5694 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5696 (analyze_all_variable_accesses): Completely scalarize small eligible
5699 2010-01-21 Martin Jambor <mjambor@suse.cz>
5701 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5703 2010-01-21 Andrew Haley <aph@redhat.com>
5705 * gcc.c (process_command): Move lang_specific_driver before
5706 setting cc_libexec_prefix.
5708 2010-01-21 Richard Guenther <rguenther@suse.de>
5711 * fold-const.c (negate_expr_p): Pretend only negative
5712 real constants are easily negatable.
5714 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5715 Jason Merrill <jason@redhat.com>
5717 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5718 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5719 * calls.c (initialize argument_information): Handle it.
5720 * c-common.c (handle_transparent_union_attribute): Use new name.
5721 * c-decl.c (finish_struct): Ditto.
5722 * c-typeck.c (type_lists_compatible_p): Ditto.
5723 (convert_for_assignment): Use new name and also handle record.
5724 * function.c (aggregate_value_p): Handle it.
5725 (pass_by_reference): Ditto.
5726 (assign_parm_data_types): Ditto.
5727 * print-tree.c (print_node): Ditto.
5728 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5729 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5730 * tree.c (first_field): New fn.
5732 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5735 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5736 even when linking statically, for now.
5738 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5741 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5742 without a cselib val.
5743 (count_uses): Accept MO_VAL_SET with no val on stores.
5744 (add_stores): Likewise.
5746 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5748 * var-tracking.c (check_value_val): Add a compile time assertion.
5749 (dv_is_decl_p): Simplify.
5750 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5751 gcc_assert if ENABLE_CHECKING.
5753 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5756 * var-tracking.c: Include tree-flow.h.
5757 (mem_dies_at_call): New.
5758 (dataflow_set_preserve_mem_locs): Use it.
5759 (dataflow_set_remove_mem_locs): Likewise.
5760 (dump_var): Renamed from dump_variable. Adjust all callers.
5761 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5762 * Makefile.in (var-tracking.o): Adjust deps.
5764 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5766 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5768 2010-01-20 Richard Guenther <rguenther@suse.de>
5770 PR tree-optimization/42717
5771 * tree-ssa-dce.c (get_live_post_dom): Remove.
5772 (forward_edge_to_pdom): Take an arbitrary edge to copy
5773 degenerate PHI args from.
5774 (remove_dead_stmt): Use the first post-dominator even if it
5775 does not contain live statements as redirection destination.
5777 2010-01-20 Richard Guenther <rguenther@suse.de>
5779 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5781 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5783 * sel-sched.c (create_speculation_check): Remove set but not used
5785 (try_transformation_cache): Remove set but not used variable ds.
5786 (calculate_privileged_insns): Remove set but not used variables
5787 cur_insn and min_spec_insn.
5788 (find_best_expr): Remove set but not used variable avail_n.
5789 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5791 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5793 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5794 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5797 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5800 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5801 cpu types. Add support for *-sse3 cpu types.
5802 (x86_64-*-*): Ditto.
5804 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5807 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5808 argument, call initializer_constant_valid_p_1 instead of
5809 initializer_constant_valid_p, pass CACHE to it, return NULL
5810 immediately if first call returns NULL.
5811 (initializer_constant_valid_p_1): New function.
5812 (initializer_constant_valid_p): Use it.
5814 2010-01-20 Thomas Quinot <quinot@adacore.com>
5816 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5818 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5820 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5821 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5822 (loc_list_from_tree): Don't handle unsigned division. Handle
5823 signed modulo using DW_OP_{over,over,div,mul,minus}.
5824 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5825 modulo instead of signed.
5827 2010-01-20 DJ Delorie <dj@redhat.com>
5829 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5831 (h8300_emit_stack_adjustment): Propogate it.
5833 (h8300_expand_prologue): Likewise.
5834 (h8300_expand_epilogue): Likewise.
5836 2010-01-19 Michael Matz <matz@suse.de>
5838 PR tree-optimization/41783
5839 * tree-data-ref.c (toplevel): Include flags.h.
5840 (dump_data_dependence_relation): Also dump the inputs if the
5841 result will be unknown.
5842 (split_constant_offset_1): Look through some conversions.
5843 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5844 the offset from last element is too large.
5845 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5846 (reassociate_to_the_same_stmt): Handle vector registers.
5847 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5849 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5850 wide_prolog_niters argument, emit widening instructions.
5851 (vect_do_peeling_for_alignment): Adjust caller, use widened
5852 variant of the iteration cound.
5853 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5855 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5858 * config/arm/neon-testgen.m (emit_automatics): New parameter
5859 features. Adjust for Fixed_return_reg feature.
5860 (test_intrinsic): Call emit_automatics with new feature.
5861 * config/arm/neon.ml: Update copyright years.
5862 (features): New Fixed_return_reg feature.
5863 (ops): Update feature for Vget_low.
5865 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5867 PR tree-optimization/42719
5868 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5872 * fwprop.c (all_uses_available_at): Return false if def_set dest
5873 is a REG that is used in def_insn.
5875 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5877 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5879 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5882 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5884 * target.h (struct gcc_target) <secondary_reload>: Change type
5885 of last argument to secondary_reload_info *.
5887 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
5890 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
5891 memory references with unaligned offsets. Remove CQImode handling.
5892 (unaligned_memory_operand): Return 1 for memory references with
5893 unaligned offsets. Remove CQImode handling.
5895 2010-01-18 Richard Guenther <rguenther@suse.de>
5898 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
5901 2010-01-18 Richard Guenther <rguenther@suse.de>
5903 PR tree-optimization/42781
5904 * tree-ssa-structalias.c (find_what_var_points_to): Skip
5905 restrict processing only if the original variable was artificial.
5907 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
5909 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
5910 find number of popped argument bytes.
5912 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
5913 Fix the text that describes the return value for invalid insns.
5915 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
5917 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
5918 Clarify what 'cost of the -dependence' is. Fix quoting.
5920 * toplev.c (default_get_pch_validity): Rename argument to "sz".
5921 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
5923 2010-01-17 Jakub Jelinek <jakub@redhat.com>
5925 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
5926 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
5928 2010-01-17 Richard Guenther <rguenther@suse.de>
5931 * function.c (split_complex_args): Take a VEC to modify.
5932 (assign_parms_augmented_arg_list): Build a VEC instead of
5933 a chain of PARM_DECLs.
5934 (assign_parms_unsplit_complex): Take a VEC of arguments.
5935 Do not fixup unmodified parms.
5936 (assign_parms): Deal with the VEC.
5937 (gimplify_parameters): Likewise.
5939 2010-01-17 Richard Guenther <rguenther@suse.de>
5941 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
5942 node existence check.
5943 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
5944 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
5945 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
5946 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
5947 (gimple_execute_on_growing_pred): Likewise.
5949 2010-01-17 Richard Guenther <rguenther@suse.de>
5951 PR tree-optimization/42773
5952 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
5953 (compute_antic_aux): Likewise.
5954 (compute_partial_antic_aux): Likewise.
5956 2010-01-17 Jie Zhang <jie.zhang@analog.com>
5959 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
5962 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
5964 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
5967 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
5968 Fix markup for strict argument.
5970 (TARGET_SCHED_REORDER2): Fix argument types.
5972 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
5973 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
5975 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
5976 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
5978 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
5981 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
5982 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
5983 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
5984 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
5985 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
5987 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
5989 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
5991 (TARGET_ASM_RELOC_RW_MASK): Add return type.
5992 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
5994 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
5996 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
5999 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6001 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6002 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6004 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6006 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6008 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6009 referring to it. Fix language.
6011 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6013 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6015 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6017 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6019 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6020 '@var{stream}. Remove stray 'and'.
6022 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6024 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6026 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6028 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6029 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6031 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6032 Fix description of return value.
6033 Rename argument "sz" to "len."
6035 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6036 Clarify meaning of 'true' return value.
6038 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6040 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6041 rep_mode versus mode_rep.
6043 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6045 (TARGET_BUILTIN_DECL): Fix name.
6047 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6049 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6051 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6053 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6055 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6057 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6060 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6061 Rename argument tm_fn to md_fn.
6063 (TARGET_OPTION_PRINT): Fix argument list.
6065 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6068 * config/i386/i386.c (ix86_fixup_binary_operands):
6069 Revert FMA4 fixup of operands.
6071 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6074 * Makefile.in (write_entries_to_file, install-plugin):
6075 Use \012 instead of \n with tr.
6077 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6079 * configure.ac (HAVE_AS_REF): New C macro.
6080 * configure: Regenerate.
6081 * config.in: Likewise.
6082 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6084 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6087 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6089 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6091 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6093 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6095 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6097 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6099 (TARGET_BINDS_LOCAL_P): Fix argument type.
6101 (TARGET_ASM_FILE_END): Use prototype.
6103 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6105 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6107 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6109 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6111 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6112 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6114 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6115 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6117 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6118 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6119 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6120 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6122 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6124 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6126 (TARGET_INIT_BUILTINS): Use prototype.
6128 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6129 Put 'const char *' in braces. Fix parameter types.
6130 (TARGET_INVALID_CONVERSION): Fix parameter types.
6131 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6132 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6134 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6137 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6139 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6141 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6143 * doc/tm.texi (TARGET_HELP): Fix return type.
6145 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6146 in braces. Fix argument types.
6148 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6150 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6152 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6154 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6155 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6157 (TARGET_MANGLE_TYPE): Fix argument types.
6159 (TARGET_IRA_COVER_CLASSES): Use prototype.
6161 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6163 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6165 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6167 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6169 (TARGET_CALLEE_COPIES): Fix argument types.
6171 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6173 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6175 (TARGET_FUNCTION_VALUE): Fix argument types.
6177 (TARGET_RETURN_IN_MSB): Fix argument type.
6179 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6181 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6183 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6185 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6186 agree with return type.
6188 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6190 2010-01-15 Jing Yu <jingyu@google.com>
6192 PR rtl-optimization/42691
6193 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6194 a pseudo to a constant and are merged, and adjust comments.
6196 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6198 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6200 2010-01-15 Richard Guenther <rguenther@suse.de>
6203 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6204 labels of computed or non-local gotos to the destination.
6205 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6206 landing pad label is the first label.
6208 2010-01-15 Richard Guenther <rguenther@suse.de>
6210 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6212 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6215 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6216 to allow generation of the xssqrtdp instruction on power7.
6217 (sqrtdf2_fpr): Ditto.
6219 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6222 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6223 functions with noreturn attribute.
6226 * varasm.c (declare_weak): Add weak attribute to decl if it
6227 doesn't have one already.
6228 (assemble_external): Only add decls to weak_decls if they also
6229 have weak attribute.
6231 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6233 * var-tracking.c (var_reg_delete): Don't delete the association
6234 between REGs and values or one-part variables if the register
6237 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6240 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6241 because its first operand is a non-localized variable.
6243 2010-01-14 Martin Jambor <mjambor@suse.cz>
6245 PR tree-optimization/42706
6246 * tree-sra.c (encountered_recursive_call): New variable.
6247 (encountered_unchangable_recursive_call): Likewise.
6248 (sra_initialize): Initialize both new variables.
6249 (callsite_has_enough_arguments_p): New function.
6250 (scan_function): Call decl and flags check only for IPA-SRA, check
6251 whether there is a recursive call and whether it has enough arguments.
6252 (all_callers_have_enough_arguments_p): New function.
6253 (convert_callers): Look for recursive calls only when
6254 encountered_recursive_call is set.
6255 (ipa_early_sra): Bail out either if
6256 !all_callers_have_enough_arguments_p or
6257 encountered_unchangable_recursive_call.
6259 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6261 * sel-sched.c: Add 2010 to copyright years.
6262 * sel-sched-ir.c: Likewise.
6263 * sel-sched-ir.h: Likewise.
6265 2010-01-14 Martin Jambor <mjambor@suse.cz>
6267 PR tree-optimization/42714
6268 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6269 constructors specially.
6271 2010-01-14 Andi Kleen <ak@linux.intel.com>
6273 * config/i386/drivers-i386.c (detect_caches_intel):
6274 Add l2sizekb parameter and fill in.
6275 (host_detect_local_cpu): Add l2sizekb, fill in.
6276 Add Atom small cache heuristic.
6278 2010-01-14 Andi Kleen <ak@linux.intel.com>
6280 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6281 Add level3 parameter and fill in.
6282 (detect_caches_intel): Handle level3 cache.
6284 2010-01-14 Andi Kleen <ak@linux.intel.com>
6286 * config/i386/drivers-i386.c (host_detect_local_cpu):
6287 Fix core duo detection.
6289 2010-01-14 Andi Kleen <ak@linux.intel.com>
6291 * config/i386/drivers-i386.c (host_detect_local_cpu):
6294 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6296 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6297 (rs6000_variable_issue_1): this. Use...
6298 (rs6000_variable_issue): here. Reimplement. Print debug info.
6300 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6302 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6303 sel_restore_notes. Update all callers. Call reemit_notes
6306 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6308 PR rtl-optimization/42246
6309 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6312 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6314 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6315 all successors is the same as number of successors in current region.
6317 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6319 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6320 to rename is not separable. Otherwise check that its LHS is not NULL.
6322 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6324 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6326 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6328 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6329 available registers when failed to discover LHS register class.
6330 Fix indentation. Update comment.
6332 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6333 Alexander Monakov <amonakov@ispras.ru>
6335 PR rtl-optimization/42389
6336 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6338 (advance_state_on_fence): Likewise.
6339 (sel_target_adjust_priority): Print debug output only when
6340 sched_verbose >= 4, not 2.
6341 (get_expr_cost): Do not issue all unique insns on the next cycle.
6342 (fill_insns): Initialize can_issue_more from the value saved
6344 * sel-sched-ir.c (flist_add): New parameter issue_more.
6345 Init FENCE_ISSUE_MORE with it.
6346 (merge_fences): Likewise.
6347 (init_fences): Update call to flist_add.
6348 (add_to_fences, add_clean_fence_to_fences)
6349 (add_dirty_fence_to_fences): Likewise.
6350 (move_fence_to_fences): Update call to merge_fences.
6351 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6353 * sel-sched-ir.h (struct _fence): New field issue_more.
6354 (FENCE_ISSUE_MORE): New accessor macro.
6356 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6358 PR rtl-optimization/42388
6359 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6360 that have no predecessors nor successors. Do not call move_bb_info
6361 for empty blocks outside of current region.
6363 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6365 PR rtl-optimization/42294
6366 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6367 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6368 originators' originators.
6370 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6372 PR rtl-optimization/39453
6373 PR rtl-optimization/42246
6374 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6376 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6378 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6379 Alexander Monakov <amonakov@ispras.ru>
6382 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6383 (maybe_tidy_empty_bb): ... here. Make static. Add new
6384 argument. Update all callers.
6385 (tidy_control_flow): ... and here. Recompute topological order
6386 of basic blocks in region if necessary.
6387 (sel_redirect_edge_and_branch): Change return type. Return true
6388 if topological order might have been invalidated.
6389 (purge_empty_blocks): Export and move from...
6390 * sel-sched.c (purge_empty_blocks): ... here.
6391 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6392 (maybe_tidy_empty_bb): Delete prototype.
6393 (purge_empty_blocks): Declare.
6395 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6397 PR rtl-optimization/42249
6398 * sel-sched.c (try_replace_dest_reg): When chosen register
6399 and original register is the same, do not bail out early, but
6400 still check all original insns for validity of replacing destination
6401 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6404 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6407 Port from no-undefined-overflow branch:
6408 2009-03-09 Richard Guenther <rguenther@suse.de>
6410 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6412 2010-01-14 Richard Guenther <rguenther@suse.de>
6415 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6417 2010-01-14 Ira Rosen <irar@il.ibm.com>
6419 PR tree-optimization/42709
6420 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6421 as scalar type in creation of constant vector operand.
6423 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6426 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6427 (check-parallel-%): Match `testsuite' directory component only
6430 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6432 PR translation/39521
6433 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6436 2010-01-13 Richard Guenther <rguenther@suse.de>
6438 PR tree-optimization/42730
6439 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6442 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6445 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6446 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6449 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6451 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6452 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6453 ___umulsi3_highpart.
6455 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6456 rather than schedule_insns if the pass is enabled.
6458 2010-01-13 Martin Jambor <mjambor@suse.cz>
6460 PR tree-optimization/42704
6461 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6464 2010-01-13 Martin Jambor <mjambor@suse.cz>
6466 PR tree-optimization/42703
6467 * tree-sra.c (analyze_access_subtree): Check that we can build a
6468 reference to the original data within the aggregate.
6470 2010-01-13 Richard Guenther <rguenther@suse.de>
6472 PR tree-optimization/42705
6473 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6475 2010-01-13 Richard Guenther <rguenther@suse.de>
6478 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6480 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6483 * var-tracking.c (values_to_unmark): New variable.
6484 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6485 values_to_unmark vector. Moved body to...
6486 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6487 instead queue it into values_to_unmark vector.
6488 (vt_find_locations): Free values_to_unmark vector.
6490 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6492 * config/s390/s390.c (override_options): Set
6493 default of max-pending-list-length to 256
6495 2010-01-13 Richard Guenther <rguenther@suse.de>
6498 * tree-pass.h (PROP_gimple_lcx): New.
6499 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6500 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6501 before the final cleanup_eh.
6502 (dump_properties): Dump PROP_gimple_lcx.
6503 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6504 (tree_lower_complex_O0): Remove.
6505 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6506 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6507 tree_lower_complex, schedule TODO_update_ssa.
6508 * lto-streamer-out.c (output_function): Stream the functions
6510 * lto-streamer-in.c (input_function): Likewise.
6511 (lto_read_body): Do not override them here.
6513 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6516 * c-typeck.c (build_c_cast): Fold value cast to union type before
6517 wrapping it in a CONSTRUCTOR.
6519 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6521 PR rtl-optimization/42699
6522 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6525 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6527 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6528 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6529 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6530 SUBTARGET_WARN_UNUSED_SPEC): ... here
6531 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6533 2010-01-12 Julian Brown <julian@codesourcery.com>
6535 * config/arm/neon-schedgen.ml (Utils): Don't try to
6536 open missing module.
6537 (find_with_result): New.
6539 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6542 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6543 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6545 PR tree-optimization/42645
6546 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6547 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6548 decl_map, set processing_debug_stmt to -1 and return name without
6551 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6553 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6554 binutils version, and reword target configuration description.
6556 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6558 * config/avr/avr.h (LINKER_NAME): Remove.
6560 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6563 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6564 that support VSX, warn for -mno-altivec if vsx is not disabled,
6567 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6568 Shujing Zhao <pearly.zhao@oracle.com>
6570 PR translation/42469
6571 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6572 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6573 character between option name and help text.
6574 * c.opt (imultilib): Likewise.
6576 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6578 * lto-streamer-out.c (output_unreferenced_globals): Output static
6581 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6583 PR rtl-optimization/42621
6584 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6585 optimizing for size.
6586 (duplicate_computed_gotos): Remove now-redundant check.
6588 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6591 * configure.ac: Save and restore LDFLAGS and LIBS
6592 * configure: Regenerate.
6594 2010-01-10 Richard Guenther <rguenther@suse.de>
6597 * builtins.c (fold_builtin_strlen): Add type argument and
6598 convert the resulting length to it.
6599 (fold_builtin_1): Adjust.
6601 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6603 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6604 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6606 (num_insns_constant_wide): Adjust for that change.
6608 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6611 * web.c (union_defs): Add used argument, to combine uses of
6613 (entry_register): Adjust type and tests of used argument.
6614 (web_main): Widen used for new use. Pass it to union_defs.
6615 * df.h (union_defs): Adjust prototype.
6617 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6620 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6621 uses in new incoming argument. Free body.
6622 (reset_debug_uses_in_loop): New.
6623 (analyze_insn_to_expand_var): Call the latter if the former found
6624 anything. Fix whitespace. Reject invalid dest overlaps before
6625 going through all insns in the loop.
6627 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6630 * haifa-sched.c (dying_use_p): Debug insns don't count.
6632 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6635 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6636 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6637 (verify_gimple_call): Reject LHS in noreturn calls.
6639 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6643 * tree-vect-loop-manip.c (adjust_info): New type.
6644 (adjust_vec): New pointer to vector.
6645 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6646 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6647 (slpeel_update_phis_for_duplicate_loop): Use them.
6648 (slpeel_update_phi_nodes_for_guard1): Likewise.
6649 (slpeel_update_phi_nodes_for_guard2): Likewise.
6650 (slpeel_tree_peel_loop_to_edge): Likewise.
6651 (vect_update_ivs_after_vectorizer): Likewise.
6653 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6655 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6656 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6658 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6660 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6661 bogus uninitialized warning.
6663 2010-01-09 Richard Guenther <rguenther@suse.de>
6666 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6667 the evolution is compatible with the initial condition.
6669 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6671 * gcc.c (process_command): Update copyright notice dates.
6672 * gcov.c (print_version): Likewise.
6673 * gcov-dump.c (print_version): Likewise.
6674 * mips-tfile.c (main): Likewise.
6675 * mips-tdump.c (main): Likewise.
6677 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6680 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6682 (rotlhi3_8): Delete.
6684 (rotlsi3_8): Delete.
6685 (rotlsi3_16): Delete.
6686 (rotlsi3_24): Delete.
6688 (*rotw<mode>3): New.
6689 (*rotb<mode>3): New.
6690 * config/avr/avr.c (avr_rotate_bytes): New function.
6691 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6693 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6696 * configure.ac: Modify -rdynamic check.
6697 * configure: Regenerate.
6699 2010-01-08 DJ Delorie <dj@redhat.com>
6701 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6702 register popping order.
6704 2010-01-08 Richard Guenther <rguenther@suse.de>
6707 * c.opt (fsigned-char): Also let LTO handle this option.
6708 (funsigned-char): Likewise.
6710 2010-01-07 Richard Guenther <rguenther@suse.de>
6712 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6713 (gimple_op): Likewise.
6714 (gimple_op_ptr): Likewise.
6715 (gimple_assign_set_lhs): Remove gcc_assert.
6716 (gimple_assign_set_rhs1): Likewise.
6717 (gimple_assign_set_rhs2): Likewise.
6718 (gimple_call_set_lhs): Likewise.
6719 (gimple_call_set_fn): Likewise.
6720 (gimple_call_set_fndecl): Likewise.
6721 (gimple_call_fndecl): Likewise.
6722 (gimple_call_return_type): Likewise.
6723 (gimple_call_set_chain): Likewise.
6724 (gimple_call_num_args): Likewise.
6725 (gimple_call_set_arg): Likewise.
6726 (gimple_cond_set_code): Likewise.
6727 (gimple_cond_set_lhs): Likewise.
6728 (gimple_cond_set_rhs): Likewise.
6729 (gimple_cond_set_true_label): Likewise.
6730 (gimple_cond_set_false_label): Likewise.
6731 (gimple_label_set_label): Likewise.
6732 (gimple_goto_set_dest): Likewise.
6733 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6734 (gimple_debug_bind_get_value): Likewise.
6735 (gimple_debug_bind_get_value_ptr): Likewise.
6736 (gimple_debug_bind_set_var): Likewise.
6737 (gimple_debug_bind_set_value): Likewise.
6738 (gimple_debug_bind_reset_value): Likewise.
6739 (gimple_debug_bind_has_value_p): Likewise.
6740 (gimple_return_retval_ptr): Remove gcc_assert.
6741 (gimple_return_retval): Likewise.
6742 (gimple_return_set_retval): Likewise.
6743 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6744 (safe_referenced_var_iterator): Remove.
6745 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6746 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6747 (fill_referenced_var_vec): Remove.
6748 (first_readonly_imm_use): Remove redundant gcc_assert.
6749 (phi_arg_index_from_use): Combine gcc_asserts.
6750 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6751 (first_imm_use_stmt): Remove redundant gcc_assert.
6752 * tree-cfg.c (verify_gimple_call): Verify function and chain
6753 operands. Verify arguments.
6754 (verify_types_in_gimple_stmt): Verify condition code and labels.
6756 2010-01-07 Richard Guenther <rguenther@suse.de>
6758 PR tree-optimization/42641
6759 * sese.c (rename_map_elt_info): Use the SSA name version, do
6762 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6764 PR tree-optimization/42625
6765 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6766 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6768 2010-01-07 Duncan Sands <baldrick@free.fr>
6770 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6772 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6775 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6776 note itself is not function_invariant_p.
6778 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6780 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6781 Do not add the DF_NOTE problem.
6782 * store-motion.c (execute_rtl_store_motion): Likewise.
6784 2010-01-07 Martin Jambor <mjambor@suse.cz>
6786 PR tree-optimization/42157
6787 * tree-sra.c (compare_access_positions): Stabilize sort if both
6788 accesses have integer types, return zero immediately if they are the
6791 2010-01-06 Richard Henderson <rth@redhat.com>
6794 * haifa-sched.c (add_to_note_list): Merge into ...
6795 (concat_note_lists): ... here, and ...
6796 (unlink_other_notes, rm_other_notes): Merge into...
6797 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6798 NOTE_INSN_EPILOGUE_BEG.
6800 2010-01-06 Richard Guenther <rguenther@suse.de>
6802 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6803 not inline regular functions into always-inline functions.
6805 2010-01-06 Nick Clifton <nickc@redhat.com>
6807 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6808 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6810 (OVERRIDE_OPTIONS): Delete.
6811 (OPTIMIZATION_OPTIONS): Define.
6812 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6813 * config/rx/rx.c (rx_handle_option): Issue an error message if
6814 -mcpu=rx200 and -fpu are used together.
6815 (rx_set_optimization_options): New function. Issue an error
6816 message if an optimization attribute attempts to reset the FPU/
6817 math optimization pairing.
6818 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6819 * config/rx/rx.opt: Set the default to 32-bit doubles.
6820 * config/rx/t-rx: Add multilibs for -nofpu option.
6821 * doc/invoke.texi: Update documentation of RX options.
6823 2010-01-06 Richard Guenther <rguenther@suse.de>
6825 * tree-ssa-pre.c (name_to_id): New global.
6826 (alloc_expression_id): Simplify SSA name handling.
6827 (lookup_expression_id): Likewise.
6828 (init_pre): Zero name_to_id.
6829 (fini_pre): Free it.
6831 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6833 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6835 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6838 * config/i386/sse.md (smaxv2di3): New.
6839 (umaxv2di3): Likewise.
6840 (sminv2di3): Likewise.
6841 (uminv2di3): Likewise.
6843 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6846 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6847 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6848 (legitimize_tls_address): Likewise.
6849 (sparc_tls_referenced_p): Likewise.
6850 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6851 and adjust calls to legitimize_pic_address.
6852 (legitimate_constant_p) Use sparc_tls_referenced_p.
6853 (legitimate_pic_operand_p): Likewise.
6854 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6855 (sparc_tls_symbol_ref_1): Delete.
6856 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6857 (legitimize_tls_address): Make static, handle CONST patterns.
6858 (legitimize_pic_address): Make static, remove unused parameter and
6859 adjust recursive calls.
6860 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6861 and adjust call to legitimize_pic_address.
6862 (sparc_output_mi_thunk): Likewise.
6864 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6865 H.J. Lu <hongjiu.lu@intel.com>
6868 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6869 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6870 operands to make them signed.
6873 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6876 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6877 GTU to GT for V4SI and V2DI.
6879 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6880 (umin<mode>3): Removed.
6882 (uminv4si3): Likewise.
6884 2010-01-05 Martin Jambor <mjambor@suse.cz>
6886 PR tree-optimization/42462
6887 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
6888 current_function_decl to helper functions and macros.
6890 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6893 * flags.h: Don't include real.h.
6894 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
6895 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
6896 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
6897 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
6898 * dominance.c: Update copyright.
6899 * gimple.c (walk_gimple_op): Remove inline.
6900 * tree-ssa-reassoc.c: Include real.h.
6901 * Makefile.in (FLAGS_H): Remove $(REAL_H).
6902 (tree-ssa-reassoc.o): Depend on $(REAL_H).
6904 2010-01-05 Nick Clifton <nickc@redhat.com>
6906 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
6907 register to push into the stack frame when the accumulator has to
6908 be saved during interrupts.
6910 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
6912 * doc/invoke.texi: Remove the documentation about option
6914 * common.opt (Wunreachable-code): Preserved for backward
6916 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
6917 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
6918 the backward compatibility flag section.
6920 2010-01-05 Richard Guenther <rguenther@suse.de>
6922 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
6924 2010-01-05 Jakub Jelinek <jakub@redhat.com>
6927 * cfgexpand.c (expand_one_var): Diagnose too large variables.
6929 PR tree-optimization/42508
6930 * tree-sra.c (convert_callers): Check for recursive call
6931 by comparing cgraph nodes instead of decls.
6932 (modify_function): Call ipa_modify_formal_parameters also
6933 on all same_body aliases.
6935 * cgraphunit.c (cgraph_materialize_all_clones): Compare
6936 cgraph nodes when checking for same_body aliases.
6938 2010-01-05 Richard Guenther <rguenther@suse.de>
6940 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
6941 allocation and lookup.
6942 (get_or_alloc_expr_for_constant): Likewise.
6943 (phi_translate): Sink allocation.
6945 2010-01-04 Richard Guenther <rguenther@suse.de>
6947 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
6948 a new entry only if needed.
6949 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
6950 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
6952 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
6954 (phi_translate): Handle CONSTANTs early.
6956 2010-01-04 Martin Jambor <mjambor@suse.cz>
6958 PR tree-optimization/42398
6959 * tree-sra.c (struct access): Removed flag grp_different_types.
6960 (dump_access): Do not dump the removed flag.
6961 (sort_and_splice_var_accesses): Do not set the removed flag.
6962 (sra_modify_expr): Check for type compatibility directly.
6964 2010-01-04 Martin Jambor <mjambor@suse.cz>
6966 PR tree-optimization/42366
6967 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
6968 edges with variable number of parameters.
6969 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
6970 flag instead of asserting it.
6971 (ipa_read_node_info): Read uses_analysis_done flag.
6973 2010-01-04 Richard Guenther <rguenther@suse.de>
6975 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
6976 iterative_hash_* as intended.
6977 (vn_reference_compute_hash): Likewise. Simplify hashing
6979 (vn_reference_lookup_2): Likewise.
6980 (vn_nary_op_compute_hash): Likewise.
6981 (vn_phi_compute_hash): Likewise.
6982 (expressions_equal_p): Remove strange code.
6983 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
6984 (pre_expr_hash): Likewise. Simplify hashing SSA names.
6985 (bitmap_insert_into_set_1): Take value-id as parameter.
6986 (add_to_value): Pass it.
6987 (bitmap_insert_into_set): Likewise.
6988 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
6990 2010-01-04 Jakub Jelinek <jakub@redhat.com>
6993 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
6994 (do_self_spec): For switches with SWITCH_IGNORE set set also
6995 SWITCH_IGNORE_PERMANENTLY.
6996 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
6999 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7001 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7002 tree of an unreferenced global var.
7004 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7007 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7008 GTU to GT for V4SI and V2DI.
7010 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7011 (umin<mode>3): Removed.
7013 (uminv4si3): Likewise.
7015 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7018 * collect2.c (main): Turn on trace in collect2 if -v is passed
7021 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7023 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7024 description of expression operand.
7026 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7028 * configure.ac: Add install-html to target_list for Make-hooks.
7029 * configure: Regenerate.
7030 * fortran/Make-lang.in (F95_HTMLFILES): New.
7031 (fortran.html): Use it.
7032 (fortran.install-html): New.
7033 * Makefile.in (install-html): Add lang.install-html.
7034 * java/Make-lang.in (JAVA_HTMLFILES): New.
7035 (java.html): Use it.
7036 (java.install-html): New.
7037 * objc/Make-lang.in (objc.install-html): New.
7038 * objcp/Make-lang.in (obj-c++.install-html): New.
7039 * cp/Make-lang.in (c++.install-html): New.
7040 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7041 * lto/Make-lang.in (lto.install-html): New.
7043 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7046 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7048 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7050 PR rtl-optimization/41862
7051 * store-motion.c (store_killed_in_insn, compute_store_table,
7052 remove_reachable_equiv_notes, replace_store_insn,
7053 build_store_vectors): Ignore all DEBUG_INSNs.
7055 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7058 * common.opt: Add dumpdir.
7060 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7062 (option_map): Add --dumpdir.
7064 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7066 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7068 * opts.c (decode_options): Try dump_dir_name first if
7069 dump_base_name isn't an absolute path.
7070 (common_handle_option): Handle OPT_dumpdir.
7072 * toplev.c (dump_dir_name): New.
7073 (print_switch_values): Also ignore -dumpdir.
7075 * toplev.h (dump_dir_name): New.
7077 2010-01-03 Richard Guenther <rguenther@suse.de>
7079 PR tree-optimization/42589
7080 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7081 double-word expansion of bswap32.
7083 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7085 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7086 with BLOCK_FOR_INSN.
7087 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7088 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7089 noce_process_if_block): Likewise.
7090 * gcse.c (compute_local_properties, insert_expr_in_table,
7091 insert_set_in_table, canon_list_insert, find_avail_set,
7092 pre_insert_copy_insn): Likewise.
7094 * basic-block.h (BLOCK_NUM): Move from here...
7095 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7097 2010-01-03 Richard Guenther <rguenther@suse.de>
7099 PR tree-optimization/42438
7100 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7101 contains_may_not_return_call flag.
7102 (BB_MAY_NOTRETURN): New.
7103 (valid_in_sets): Trapping nary operations are not valid
7104 in blocks that may not return.
7105 (insert_into_preds_of_block): Remove check for trapping expressions.
7106 (compute_avail): Compute also BB_MAY_NOTRETURN.
7108 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7110 * doc/invoke.texi: Add 2010 to copyright years.
7112 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7114 * config/sparc/sparc.c: Fix formatting nits.
7116 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7117 Alexander Monakov <amonakov@ispras.ru>
7119 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7121 2010-01-02 Richard Guenther <rguenther@suse.de>
7124 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7125 (simplify_switch_using_ranges): Mark to be removed edges
7128 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7130 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7132 * collect2.c (scan_libraries): Add missing argument in call to
7135 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7138 * config/alpha/predicates.md (aligned_memory_operand): Return false
7140 (unaligned_memory_operand): Return true for CQImode.
7141 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7142 doesn not cross aligned SImode word boundary.
7144 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7146 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7148 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7149 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7151 2010-01-02 Richard Guenther <rguenther@suse.de>
7154 * toplev.c (compile_file): Emit LTO marker properly. Change
7156 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7158 2010-01-01 Richard Guenther <rguenther@suse.de>
7161 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7163 2010-01-01 Richard Guenther <rguenther@suse.de>
7166 * c-decl.c (grokdeclarator): For zero-size arrays force
7167 structural equality checks as layout_type does.
7169 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7171 * builtins.c: Update copyright to 2010.
7173 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7176 * lto-streamer-out.c (produce_asm): Revert the last change.
7177 (copy_function): Likewise.
7179 * lto-streamer.c (lto_get_section_name): Skip any leading
7182 2010-01-01 Richard Guenther <rguenther@suse.de>
7185 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7189 Copyright (C) 2010 Free Software Foundation, Inc.
7191 Copying and distribution of this file, with or without modification,
7192 are permitted in any medium without royalty provided the copyright
7193 notice and this notice are preserved.