1 2010-04-27 Jan Hubicka <jh@suse.cz>
3 * cgraph.c (cgraph_propagate_frequency): New function.
4 * cgraph.h (cgraph_propagate_frequency): Declare.
5 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
6 cgraph_propagate_frequency.
8 2010-04-27 Jakub Jelinek <jakub@redhat.com>
10 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
12 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
15 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
16 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
17 here to determine which regs to push and how much stack to reserve.
19 2010-04-27 Jie Zhang <jie@codesourcery.com>
21 * doc/gimple.texi (gimple_statement_with_ops): Remove
22 addresses_taken field.
23 (gimple_statement_with_memory_ops): Likewise.
25 2010-04-27 Jan Hubicka <jh@suse.cz>
27 * tree-inline.c (eni_inlining_weights): Remove.
28 (estimate_num_insns): Special case more builtins.
30 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
33 * c-typeck.c (build_binary_op): Move forward check for comparison
34 pointer with null pointer constant and adjust the diagnostic message.
36 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
39 * configure.ac (gcc_cv_as_section_has_align): Set if installed
40 binutils supports extended .section directive needed by LTO, or
41 warn if older binutils found.
42 (LTO_BINARY_READER): New AC_SUBST'd variable.
43 (LTO_USE_LIBELF): Likewise.
44 * gcc/config.gcc (lto_binary_reader): New target-specific configure
46 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
47 (LTO_USE_LIBELF): Likewise.
48 * configure: Regenerate.
50 * collect2.c (is_elf): Rename from this ...
51 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
52 object files in addition to ELF-formatted ones.
53 (scan_prog_file): Caller updated. Also allow for LTO info marker
54 symbol to be prefixed or not by an extra underscore.
56 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
57 * config/i386/winnt.c: Also #include lto-streamer.h
58 (i386_pe_asm_named_section): Specify 1-byte section alignment for
60 (i386_pe_asm_output_aligned_decl_common): Add comment.
61 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
63 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
66 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
67 Add missing earlyclobber for second alternative.
69 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
71 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
72 bits for artificial defs at the top of the block.
73 * fwprop.c (single_def_use_enter_block): Don't call it.
75 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
78 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
79 instead of "$gcc_cv_objdump -T".
80 Use "-undefined dynamic_lookup" on darwin.
81 * gcc/configure: Regenerate.
83 2010-04-26 Jakub Jelinek <jakub@redhat.com>
86 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
88 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
90 * c-parser.c (struct c_token): Move location field up.
91 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
92 (struct c_declspecs): Convert typespec_word, storage_class, and
93 default_int_p into bitfields.
94 (struct c_declarator): Move loc field up.
96 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
98 * cfgloop.h (struct loop): Move can_be_parallel field up.
99 * ipa-prop.h (struct ip_node_params): Move bitfields up.
100 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
102 (struct iv_cand): Convert pos field into a bitfield.
103 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
105 (struct _stmt_vec_info): Shuffle fields for better packing.
107 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
109 * varasm.c (IN_NAMED_SECTION): Remove guard.
110 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
111 (IN_NAMED_SECTION_P): ...this.
112 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
113 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
115 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
117 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
118 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
119 of shadowing it. Fix comments.
121 2010-04-26 Jan Hubicka <jh@suse.cz>
123 * cgraph.c (cgraph_create_node): Set node frequency to normal.
124 (cgraph_clone_node): Copy function frequency.
125 * cgraph.h (node_frequency): New enum
126 (struct cgraph_node): Add.
127 * final.c (rest_of_clean_state): Update.
128 * lto-cgraph.c (lto_output_node): Output node frequency.
129 (input_overwrite_node): Input node frequency.
130 * tre-ssa-loop-ivopts (computation_cost): Update.
131 * lto-streamer-out.c (output_function): Do not output function
133 * predict.c (maybe_hot_frequency_p): Update and handle functions
135 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
137 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
138 (compute_function_frequency): Set noreturn functions to be executed
140 (choose_function_section): Update.
141 * lto-streamer-in.c (input_function): Do not input function frequency.
142 * function.c (allocate_struct_function): Do not initialize function
144 * function.h (function_frequency): Remove.
145 (struct function): Remove function frequency.
146 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
147 (try_update): Update.
148 * tree-inline.c (initialize_cfun): Do not update function frequency.
149 * passes.c (pass_init_dump_file): Update.
150 * i386.c (ix86_compute_frame_layout): Update.
151 (ix86_pad_returns): Update.
153 2010-04-26 Jie Zhang <jie@codesourcery.com>
155 PR tree-optimization/43833
156 * tree-vrp.c (range_int_cst_p): New.
157 (range_int_cst_singleton_p): New.
158 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
159 when both operands are constants. Use range_int_cst_p in
162 2010-04-26 Jan Hubicka <jh@suse.cz>
164 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
166 2010-04-26 Richard Guenther <rguenther@suse.de>
169 * gimple.c (gimple_decl_printable_name): Deal gracefully
170 with a NULL DECL_NAME.
172 2010-04-26 Richard Guenther <rguenther@suse.de>
175 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
176 if emitting debug information and it is either a function
179 2010-04-26 Ira Rosen <irar@il.ibm.com>
181 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
182 determine if the statement is vectorizable, and a macro to
184 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
185 Skip statements that can't be vectorized. If the analysis
186 fails, mark the statement as unvectorizable if vectorizing
188 (vect_compute_data_refs_alignment): Likewise.
189 (vect_verify_datarefs_alignment): Skip statements marked as
190 unvectorizable. Add print.
191 (vect_analyze_group_access): Skip statements that can't be
192 vectorized. If the analysis fails, mark the statement as
193 unvectorizable if vectorizing basic block.
194 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
196 * tree-vect-stmts.c (vectorizable_store): Fix the number of
197 generated stmts for SLP.
198 (new_stmt_vec_info): Initialize the new field.
199 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
200 statements marked as unvectorizable.
202 2010-04-25 Joseph Myers <joseph@codesourcery.com>
204 * c-common.c (flag_isoc1x): New.
205 (flag_isoc99): Update comment.
206 * c-common.h (flag_isoc1x): New.
207 (flag_isoc99): Update comment.
208 * c-cppbuiltin.c (builtin_define_float_constants): Also define
209 __<type>_DECIMAL_DIG__.
210 * c-opts.c (set_std_c1x): New.
211 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
212 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
213 * c.opt (-std=c1x, -std=gnu1x): New options.
214 * doc/cpp.texi: Mention -std=c1x.
215 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
216 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
217 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
218 * doc/standards.texi: Mention C1X.
219 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
220 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
221 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
224 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
226 * config/i386/gmon-sol2.c (_mcleanup): Change format string
227 placeholder from 0x%x to %#x.
228 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
229 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
230 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
231 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
232 * config/i386/i386.c (ix86_target_string): Ditto.
233 (output_pic_addr_const): Ditto.
234 (print_operand): Ditto.
236 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
238 * combine.c (find_split_point): Add third argument. Use it
239 to find nested multiply-accumulate instructions. Adjust calls.
240 (try_combine): Adjust call to find_split_point.
242 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
244 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
246 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
248 PR tree-optimization/41442
249 * fold-const.c (merge_truthop_with_opposite_arm): New function.
250 (fold_binary_loc): Call it.
252 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
254 * toplev.c (general_init): Set default for fdiagnostics-show-option.
255 * opts.c (common_handle_option): Allow disabling it.
256 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
258 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
260 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
261 between modes if both types are integral.
263 2010-04-23 Richard Guenther <rguenther@suse.de>
265 PR tree-optimization/43572
266 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
268 2010-04-23 Richard Guenther <rguenther@suse.de>
271 * tree-inline.c (tree_can_inline_p): Also check compatibility
274 2010-04-23 Martin Jambor <mjambor@suse.cz>
276 PR tree-optimization/43846
277 * tree-sra.c (struct access): New flag grp_assignment_read.
278 (build_accesses_from_assign): Set grp_assignment_read.
279 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
280 (enum mark_read_status): New type.
281 (analyze_access_subtree): Propagate grp_assignment_read, create
282 accesses also if both direct_read and root->grp_assignment_read.
284 2010-04-23 Martin Jambor <mjambor@suse.cz>
287 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
288 function does not have type attributes.
290 2010-04-23 Richard Guenther <rguenther@suse.de>
293 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
296 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
298 * sese.h (create_if_region_on_edge): Remove.
300 * sese.c (create_if_region_on_edge): Make static.
302 * tree-inline.c: Do not include ggc.h.
304 * expr.c: Do not include ggc.h.
306 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
309 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
312 * config/sh/sh.c (find_barrier): Don't emit a constant pool
313 in the middle of insns for casesi_worker_2.
315 2010-04-22 David Edelsohn <edelsohn@gnu.org>
317 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
319 2010-04-22 Ira Rosen <irar@il.ibm.com>
321 PR tree-optimization/43842
322 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
323 loop unrolling in update of exit phis. Fix comment.
324 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
325 least two reduction statements in the loop before starting SLP
328 2010-04-22 Nick Clifton <nickc@redhat.com>
330 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
332 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
334 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
337 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
339 * tree-parloops.c (loop_parallel_p): New argument
340 parloop_obstack. Pass it down.
341 (parallelize_loops): New variable parloop_obstack. Initialize it,
342 pass it down, free it.
344 * tree-loop-linear.c (linear_transform_loops): Pass down
347 * tree-data-ref.h (lambda_compute_access_matrices): New argument
348 of type struct obstack *.
350 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
351 scratch_obstack. Initialize it, pass down, free it.
353 * lambda.h (lambda_loop_new): Remove.
354 (lambda_matrix_new, lambda_matrix_inverse)
355 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
356 argument of type struct obstack *.
358 * lambda-trans.c (lambda_trans_matrix_new): New argument
359 lambda_obstack. Pass it down, use obstack allocation for ret.
360 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
363 * lambda-mat.c (lambda_matrix_get_column)
364 (lambda_matrix_project_to_null): Remove.
365 (lambda_matrix_new): New argument lambda_obstack. Use obstack
367 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
370 * lambda-code.c (lambda_loop_new): New function.
371 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
372 (lambda_compute_auxillary_space, lambda_compute_target_space)
373 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
374 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
375 (build_access_matrix): New argument lambda_obstack. Use obstack
377 (lambda_compute_step_signs, lambda_compute_access_matrices): New
378 argument lambda_obstack. Pass it down.
380 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
382 * optabs.h (expand_widening_mult): Declare.
384 2010-04-22 Richard Guenther <rguenther@suse.de>
386 PR tree-optimization/43845
387 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
388 lookup the CALL_EXPR function and arguments.
390 2010-04-22 Nick Clifton <nickc@redhat.com>
392 * config/stormy16/stormy16.c
393 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
394 * config/stormy16/stormy16.h: Tidy up formatting.
395 (DONT_USE_BUILTIN_SETJMP): Remove definition.
396 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
397 (ineqbranchsi): Delete pattern.
398 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
399 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
400 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
401 stormy16-lib2-ucmpsi2.c.
403 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
405 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
406 df_simulate_find_noclobber_defs as appropriate. Keep track of an
407 extra set merge_set_noclobber, and use it to relax the final test
409 * df.h (df_simulate_find_noclobber_defs): Declare.
410 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
412 (df_simulate_find_noclobber_defs): New function.
414 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
416 * config/i386/i386.md: Use {} around multi-line preparation statements.
418 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
420 * c-tree.h (push_init_level, pop_init_level, set_init_index)
421 (process_init_element): New argument of type struct obstack *.
423 * c-typeck.c (push_init_level, pop_init_level, set_designator)
424 (set_init_index, set_init_label, set_nonincremental_init)
425 (set_nonincremental_init_from_string, find_init_member)
426 (output_init_element, output_pending_init_elements)
427 (process_init_element): New argument braced_init_obstack. Pass it
429 (push_range_stack, add_pending_init): New argument
430 braced_init_obstack. Use obstack allocation.
432 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
433 braced_init_obstack. Pass it down.
434 (c_parser_braced_init): New variables ret, braced_init_obstack.
435 Initialize obstack, pass it down and finally free it.
437 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
440 * tree-pass.h (pass_optimize_widening_mul): Declare.
441 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
442 gate_optimize_widening_mul): New static functions.
443 (pass_optimize_widening_mul): New.
444 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
445 <case MULT_EXPR>: Remove support for widening multiplies.
446 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
447 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
448 simplify_gen_unary rather than directly building extensions.
449 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
451 * expmed.c (expand_widening_mult): New function.
452 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
454 2010-04-21 Jan Hubicka <jh@suse.cz>
456 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
457 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
458 * lto-wpa-fixup.c: Remove.
459 * Makefile.in (lto-wpa-fixup.o): Remove.
460 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
461 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
462 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
464 2010-04-21 Jan Hubicka <jh@suse.cz>
466 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
467 add write_optimization_summary, read_optimization_summary.
468 (ipa_write_summaries_of_cgraph_node_set): Remove.
469 (ipa_write_optimization_summaries): Declare.
470 (ipa_read_optimization_summaries): Declare.
471 * ipa-cp.c (pass_ipa_cp): Update.
472 * ipa-reference.c (pass_ipa_reference): Update.
473 * ipa-pure-const.c (pass_ipa_pure_const): Update.
474 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
476 * ipa-inline.c (pass_ipa_inline): Update.
477 * ipa.c (pass_ipa_whole_program): Update.
478 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
479 * passes.c (ipa_write_summaries_1): Do not test wpa.
480 (ipa_write_optimization_summaries_1): New.
481 (ipa_write_optimization_summaries): New.
482 (ipa_read_summaries): Do not test ltrans.
483 (ipa_read_optimization_summaries_1): New.
484 (ipa_read_optimization_summaries): New.
486 2010-04-21 Jan Hubicka <jh@suse.cz>
488 * lto-cgraph.c (lto_output_node): Do not output comdat groups
490 (output_cgraph): Do not arrange comdat groups for boundary nodes.
492 2010-04-21 Jakub Jelinek <jakub@redhat.com>
495 * dwarf2out.c (add_name_and_src_coords_attributes): Add
496 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
498 2010-04-21 Jan Hubicka <jh@suse.cz>
500 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
502 2010-04-21 Jan Hubicka <jh@suse.cz>
504 * varpool.c (decide_is_variable_needed): Variable is always needed
507 2010-04-21 Jan Hubicka <jh@suse.cz>
509 * opts.c (decode_options): Enable pure-const pass for whopr.
511 2010-04-21 Jan Hubicka <jh@suse.cz>
513 * cgraph.c (dump_cgraph_node): Dump also assembler name.
514 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
516 (cgraph_decide_inlining): Do not expect callee to be removed in all
519 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
521 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
523 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
525 * config/i386/i386.md (x86_shrd): Add athlon_decode and
526 amdfam10_decode attributes.
528 2010-04-21 Jakub Jelinek <jakub@redhat.com>
531 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
532 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
533 (lower_copyprivate_clauses): Use private var in outer
534 context instead of original var. Make sure the types
535 are correct for VLAs.
537 2010-04-21 Richard Guenther <rguenther@suse.de>
539 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
540 to non-pointer objects.
542 2010-04-21 Jakub Jelinek <jakub@redhat.com>
544 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
545 last chain entry if it starts with the still current label.
546 (add_location_or_const_value_attribute): Check that
547 loc_list->first->next is NULL instead of comparing ->first with ->last.
548 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
549 to add_var_loc_to_decl.
551 * dwarf2out.c (output_call_frame_info): For dw_cie_version
552 >= 4 add also address size and segment size fields into CIE header.
554 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
555 long as address size is the same as sizeof (void *) and
557 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
558 address size or segment size is unexpected, return DW_EH_PE_omit.
559 (classify_object_over_fdes): If get_cie_encoding returned
560 DW_EH_PE_omit, return -1.
561 (init_object): If classify_object_over_fdes returned -1,
562 pretend there were no FDEs at all.
564 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
566 * config/i386/i386.md (bswap<mode>2): Macroize expander from
567 bswap{si,di}2 using SWI48 mode iterator.
568 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
569 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
570 set modrm attribute of bswap insn to 0 and remove length attribute.
571 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
572 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
573 set mode attribute to <MODE> and remove length attribute.
575 2010-04-20 James E. Wilson <wilson@codesourcery.com>
577 PR rtl-optimization/43520
578 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
579 zero available registers.
581 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
583 * builtins.c (fold_builtin_cproj): Fold more cases.
585 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
587 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
588 (fold_builtin_1): Fold builtin cproj.
589 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
590 Use ATTR_CONST_NOTHROW_LIST.
592 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
594 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
595 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
596 ffsi2_no_cmove for !TARGET_CMOVE.
597 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
598 (ffssi2): Remove expander.
599 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
601 (ctz<mode>2): Ditto from ctz{si,di}2.
602 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
604 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
607 2010-04-20 Jakub Jelinek <jakub@redhat.com>
609 * dwarf2out.c (AT_linkage_name): Define.
610 (clone_as_declaration): Handle DW_AT_linkage_name.
611 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
612 of DW_AT_MIPS_linkage_name.
613 (move_linkage_attr): Likewise.
614 (dwarf2out_finish): Likewise.
616 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
619 * fold-const.c (fold_comparison): New folding rule.
621 2010-04-20 Anatoly Sokolov <aesok@post.ru>
623 * double-int.h (double_int_setbit): Declare.
624 * double-int.c (double_int_setbit): New function.
625 * rtl.h (immed_double_int_const): Declare.
626 * emit-rtl.c (immed_double_int_const): New function.
627 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
628 and immed_double_int_const functions.
629 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
630 expand_copysign_bit): (Ditto.).
631 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
632 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
633 * dojump.c (prefer_and_bit_test): (Ditto.).
634 * expr.c (convert_modes, reduce_to_bit_field_precision,
635 const_vector_from_tree): (Ditto.).
636 * expmed.c (mask_rtx, lshift_value): (Ditto.).
638 2010-04-20 Jan Hubicka <jh@suse.cz>
640 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
641 (dump_cgraph_node): Dump new flags.
642 * cgraph.h (struct cgraph_node): Add flags
643 reachable_from_other_partition and in_other_partition.
644 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
645 other partition can not be removed.
646 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
647 the other partition must be output; silence sanity checking on
648 leaking functions bodies from other paritition.
649 * lto-cgraph.c (reachable_from_other_partition_p): New function.
650 (lto_output_node): Output new flags; do not sanity check that inline
651 clones are output; drop lto_forced_extern_inline_p code; do not mock
652 visibility flags at partition boundaries.
653 (add_node_to): New function.
654 (output_cgraph): Use it to sort functions so masters appear before
656 (input_overwrite_node): Input new flags.
657 * passes.c (ipa_write_summaries): Do not call
658 lto_new_extern_inline_states.
659 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
660 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
661 lto_forced_extern_inline_p): Kill.
662 * lto-streamer.h (lto_new_extern_inline_states,
663 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
664 lto_forced_extern_inline_p): Kill.
666 2010-04-20 Richard Guenther <rguenther@suse.de>
668 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
669 from vars that can have pointers.
670 (process_constraint): Dump useless constraints.
672 2010-04-20 Richard Guenther <rguenther@suse.de>
674 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
675 (dump_sa_points_to_info): Remove asserts.
676 (init_base_vars): nothing_id isn't an escape point nor does it
679 2010-04-20 Jakub Jelinek <jakub@redhat.com>
681 * tree.h (TYPE_REF_IS_RVALUE): Define.
682 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
683 should_move_die_to_comdat, prune_unused_types_walk): Handle
684 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
685 (modified_type_die, gen_reference_type_die): Emit
686 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
687 if TYPE_REF_IS_RVALUE and -gdwarf-4.
689 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
692 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
693 calls for -fpic -m31 if they have been sibcall optimized.
695 2010-04-19 James E. Wilson <wilson@codesourcery.com>
697 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
698 ar.lc fixed and call-used.
700 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
702 2010-04-19 Jan Hubicka <jh@suse.cz>
704 * opts.c (decode_options): Disable whpr incompatible passes.
705 * lto/lto.c (lto_1_to_1_map): Skip clones.
706 (read_cgraph_and_symbols): Do not mark everything as needed.
707 (do_whole_program_analysis): Do map only after optimizing;
708 set proper cgraph_state; use passmanager.
710 2010-04-19 DJ Delorie <dj@redhat.com>
712 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
713 POINTER_PLUS_EXPR and fix them.
715 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
717 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
718 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
719 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
720 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
721 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
722 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
723 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
724 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
725 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
726 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
727 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
729 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
731 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
732 (check_cond_move_block): Likewise.
733 (cond_move_process_if_block): Likewise.
734 (noce_find_if_block): Improve formatting.
735 (find_if_header): Pass 0 to memset and tweak conditions.
736 (cond_exec_find_if_block): Fix long lines and tweak conditions.
738 2010-04-19 Jakub Jelinek <jakub@redhat.com>
740 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
744 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
745 with non-local decl doesn't need chain.
747 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
749 * ira-color.c (allocno_reload_assign): Avoid accumulating
750 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
752 2010-04-19 Martin Jambor <mjambor@suse.cz>
754 * gimple.h (create_tmp_reg): Declare.
755 * gimplify.c (create_tmp_reg): New function.
756 (gimplify_return_expr): Use create_tmp_reg.
757 (gimplify_omp_atomic): Likewise.
758 (gimple_regimplify_operands): Likewise.
759 * tree-dfa.c (make_rename_temp): Likewise.
760 * tree-predcom.c (predcom_tmp_var): Likewise.
761 (reassociate_to_the_same_stmt): Likewise.
762 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
763 (get_replaced_param_substitute): Likewise.
764 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
765 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
766 * tree-ssa-pre.c (get_representative_for): Likewise.
767 (create_expression_by_pieces): Likewise.
768 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
769 (create_tailcall_accumulator): Likewise.
771 2010-04-19 Martin Jambor <mjambor@suse.cz>
773 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
775 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
777 2010-04-19 Richard Guenther <rguenther@suse.de>
779 PR tree-optimization/43796
780 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
781 from SCEV in the lattice.
782 (vrp_visit_phi_node): Dump change.
784 2010-04-19 Richard Guenther <rguenther@suse.de>
786 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
787 * configure: Re-generated.
789 2010-04-19 Richard Guenther <rguenther@suse.de>
791 PR tree-optimization/43783
792 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
793 constant ARRAY_REF operands two and three if possible.
795 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
798 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
800 2010-04-19 Jie Zhang <jie@codesourcery.com>
803 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
805 2010-04-19 Ira Rosen <irar@il.ibm.com>
807 PR tree-optimization/37027
808 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
809 and macro to access it.
810 (vectorizable_reduction): Add argument.
811 (vect_get_slp_defs): Likewise.
812 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
813 statements for possible use in SLP.
814 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
815 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
816 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
818 (vectorizable_reduction): Likewise.
819 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
821 (vectorizable_type_demotion, vectorizable_type_promotion,
822 vectorizable_store): Likewise.
823 (vect_analyze_stmt): Update call to vectorizable_reduction.
824 (vect_transform_stmt): Likewise.
825 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
826 (vect_build_slp_tree): Fix indentation. Check that there are no loads
827 from different interleaving chains in same node.
828 (vect_slp_rearrange_stmts): New function.
829 (vect_supported_load_permutation_p): Allow load permutations for
830 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
831 inside SLP nodes if necessary.
832 (vect_analyze_slp_instance): Handle reductions.
833 (vect_analyze_slp): Try to build SLP instances originating from groups
835 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
836 (vect_get_constant_vectors): Create initial vectors for reductions
837 according to reduction code. Add new argument.
838 (vect_get_slp_defs): Add new argument, pass it to
839 vect_get_constant_vectors.
840 (vect_schedule_slp_instance): Remove SLP tree root statements.
842 2010-04-19 Jakub Jelinek <jakub@redhat.com>
844 * tree.h (ENUM_IS_SCOPED): Define.
845 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
846 for ENUM_IS_SCOPED enums.
848 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
850 * fold-const.c (fold_comparison): Use ssizetype.
851 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
852 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
853 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
854 * tree-object-size.c (compute_object_sizes): Use size_type_node.
856 * tree.h (initialize_sizetypes): Remove parameter.
857 (build_common_tree_nodes): Remove second parameter.
858 * stor-layout.c (initialize_sizetypes): Remove parameter.
859 Always create an unsigned type.
860 (set_sizetype): Assert that the passed type is unsigned and simplify.
861 * tree.c (build_common_tree_nodes): Remove second parameter.
862 Adjust call to initialize_sizetypes.
863 * c-decl.c (c_init_decl_processing): Remove second argument in call to
864 build_common_tree_nodes.
866 2010-04-18 Matthias Klose <doko@ubuntu.com>
868 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
870 2010-04-18 Ira Rosen <irar@il.ibm.com>
872 PR tree-optimization/43771
873 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
874 load permutation doesn't have gaps.
876 2010-04-18 Jan Hubicka <jh@suse.cz>
878 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
879 (sse_prologue_save_insn expander): Use new pattern.
880 (sse_prologue_save_insn1): New pattern and splitter.
881 (sse_prologue_save_insn): Update to deal also with 64bit aligned
883 * i386.c (setup_incoming_varargs_64): Do not compute jump
885 (ix86_gimplify_va_arg): Update alignment needed.
886 (ix86_local_alignment): Do not align all local arrays to 128bit.
888 2010-04-17 Jan Hubicka <jh@suse.cz>
890 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
892 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
894 * arm.md (negdi2): Remove redundant code to force values into a
897 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
899 * arm/bpabi.S: Add EABI alignment attributes to objects.
900 * arm/bpabi-v6m.S: Likewise.
901 * arm/crti.asm: Likewise.
902 * arm/crtn.asm: Likewise.
903 * arm/lib1funcs.asm: Likewise.
904 * arm/libunwind.S: Likewise.
906 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
908 * arm-protos.h (tune_params): New structure.
909 * arm.c (current_tune): New variable.
910 (arm_constant_limit): Delete.
911 (struct processors): Add pointer to the tune parameters.
912 (arm_slowmul_tune): New tuning option.
913 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
914 (all_cores): Adjust to pick up the tuning model.
915 (arm_constant_limit): New function.
916 (arm_override_options): Select the appropriate tuning model. Delete
917 initialization of arm_const_limit.
918 (arm_split_constant): Use the new constant-limit model.
919 (arm_rtx_costs): Pick up the current tuning model.
920 * arm.md (is_strongarm, is_xscale): Delete.
921 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
922 for Xscale variant architectures.
923 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
925 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
927 * config/arm/arm.c (arm_gen_constant): Remove unused variable
929 (arm_rtx_costs_1): Remove unused variable extra_cost.
930 (arm_unwind_emit_set): Use variable offset.
931 (thumb1_output_casesi): Remove unused variable flags.
933 2010-04-16 Jeff Law <law@redhat.com>
935 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
936 needing assignment rather than doing a two-phase assignment. Remove
939 2010-04-16 Jakub Jelinek <jakub@redhat.com>
942 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
944 2010-04-16 Doug Kwan <dougkwan@google.com>
946 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
947 (next_operand_entry_id): New static variable.
948 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
949 (add_to_ops_vec): Assigned unique ID to operand entry.
950 (struct oecount_s): New field ID.
951 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
952 (undistribute_ops_list): Assign unique IDs to oecounts.
953 (init_reassoc): reset next_operand_entry_id.
955 2010-04-16 Doug Kwan <dougkwan@google.com>
957 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
958 missing left parenthesis.
960 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
962 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
963 *btdi_rex64 using SWI48 mode iterator.
964 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
965 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
966 *jcc_btdi_mask_rex64.
968 2010-04-16 Anatoly Sokolov <aesok@post.ru>
970 * double-int.h (tree_to_double_int): Convert to macro.
971 * double-int.c (tree_to_double_int): Remove.
973 2010-04-16 Jakub Jelinek <jakub@redhat.com>
976 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
977 with want_address 2 and in case a single element list might be
978 possible, call it again with want_address 0.
980 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
982 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
983 case 'W' print operands for HI mode.
984 * config/h8300/h8300.h (Y0, Y2) : New constraints.
985 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
986 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
987 * config/h8300/predicate.md (bit_register_indirect_operand): New.
989 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
991 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
992 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
993 #xx:3 and #xx:4 mode.
995 * config/h8300/h8300.md (inverted load with HImode dest): Add
998 * config/h8300/predicate.md (bit_operand): Allow immediate values that
999 satisfy 'U' constraint.
1001 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1003 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1004 * configure: Regenerate.
1005 * config.in: Regenerate.
1006 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1009 2010-04-16 Richard Guenther <rguenther@suse.de>
1011 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1012 (struct tree_decl_common): ... here.
1013 (DECL_PT_UID): Adjust.
1014 (SET_DECL_PT_UID): Likewise.
1015 (DECL_PT_UID_SET_P): Likewise.
1017 2010-04-16 Richard Guenther <rguenther@suse.de>
1019 PR tree-optimization/43572
1020 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1021 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1022 * tree-flow.h (is_call_clobbered): Remove.
1023 * tree-flow-inline.h (is_call_clobbered): Likewise.
1024 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1025 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1026 (execute_return_slot_opt): Adjust.
1027 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1028 check for call clobbered vars here.
1029 (find_tail_calls): Move tailcall verification to the
1032 2010-04-16 Diego Novillo <dnovillo@google.com>
1034 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1036 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1039 * config/arm/arm.md (cbranchqi4): New pattern.
1040 * config/arm/predicates.md (const0_operand,
1041 cbranchqi4_comparison_operator): New predicates.
1043 2010-04-16 Richard Guenther <rguenther@suse.de>
1045 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1046 (dump_gimple_stmt): Likewise.
1048 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1050 * recog.h (struct recog_data): New field is_operator.
1051 (struct insn_operand_data): New field is_operator.
1052 * recog.c (extract_insn): Set recog_data.is_operator.
1053 * genoutput.c (output_operand_data): Emit code to set the
1055 * reload.c (find_reloads): Use it rather than testing for an
1056 empty constraint string.
1059 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1060 If the previous insn is a cbranchsi4_insn with the same arguments,
1061 omit the compare instruction.
1063 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1064 register, inputs must be low registers and we need a low register
1065 scratch. Handle alternative 2 like alternative 3.
1067 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1069 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1070 don't call get_addr on both. If one expression is a VALUE and
1071 the other a REG, check VALUE's locs if the REG isn't among them.
1073 2010-04-16 Christian Bruel <christian.bruel@st.com>
1075 * config/sh/sh.h (sh_frame_pointer_required): New function.
1076 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1077 (flag_omit_frame_pointer) Set.
1078 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1079 (rounded_frame_size): Adjust size with outgoing_args_size.
1080 (sh_set_return_address): Must return from stack pointer.
1081 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1082 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1083 (ACCUMULATE_OUTGOING_ARGS): Define.
1084 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1085 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1087 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1090 * config/sh/sh.c (sh_legitimize_reload_address): Use
1091 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1092 Remove a unneeded check for offset_base.
1094 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1096 * configure: Regenerated.
1098 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1100 * config/s390/s390.c (s390_call_save_register_used): Switch back
1101 to HARD_REGNO_NREGS.
1103 2010-04-15 Richard Guenther <rguenther@suse.de>
1105 * alias.c (alias_set_subset_of): Handle alias-set zero
1108 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1109 Julian Brown <julian@codesourcery.com>
1111 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1112 alternatives according to use of high and low regs.
1113 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1114 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1115 optimizing for size on Thumb-2.
1117 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1119 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1121 2010-04-15 Richard Guenther <rguenther@suse.de>
1123 * tree-ssa-structalias.c (struct variable_info): Add
1125 (new_var_info): Initialize it.
1126 (dump_constraints): Support printing last added constraints.
1127 (debug_constraints): Adjust.
1128 (dump_constraint_graph): Likewise.
1129 (make_heapvar_for): Check for NULL cfun.
1130 (get_function_part_constraint): New function.
1131 (get_fi_for_callee): Likewise.
1132 (find_func_aliases): Properly implement IPA PTA constraints.
1133 (process_ipa_clobber): New function.
1134 (find_func_clobbers): Likewise.
1135 (insert_into_field_list_sorted): Remove.
1136 (create_function_info_for): Properly allocate vars for IPA mode.
1137 Do not use insert_into_field_list_sorted.
1138 (create_variable_info_for): Properly generate constraints for
1139 global vars in IPA mode.
1140 (dump_solution_for_var): Always dump the solution.
1141 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1142 (find_what_var_points_to): Adjust.
1143 (pt_solution_set): Change.
1144 (pt_solution_ior_into): New function.
1145 (pt_solution_empty_p): Export.
1146 (pt_solution_includes_global): Adjust.
1147 (pt_solution_includes_1): Likewise.
1148 (pt_solutions_intersect_1): Likewise.
1149 (dump_sa_points_to_info): Check some invariants.
1150 (solve_constraints): Move constraint dumping ...
1151 (compute_points_to_sets): ... here.
1152 (ipa_pta_execute): ... and here.
1153 (compute_may_aliases): Do not re-compute points-to info
1154 locally if IPA info is available.
1155 (ipa_escaped_pt): New global var.
1156 (ipa_pta_execute): Properly implement IPA PTA.
1157 * tree-into-ssa.c (dump_decl_set): Support dumping
1158 decls not in referenced-vars.
1159 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1160 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1161 (dump_points_to_solution): Likewise.
1162 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1163 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1164 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1165 (copy_decl_to_var): Copy DECL_PT_UID.
1166 (copy_result_decl_to_var): Likewise.
1167 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1168 (copy_node_stat): Copy it.
1169 * tree.h (DECL_PT_UID): New macro.
1170 (SET_DECL_PT_UID): Likewise.
1171 (DECL_PT_UID_SET_P): Likewise.
1172 (struct tree_decl_minimal): Add pt_uid member.
1173 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1174 (pt_solution_empty_p): Declare.
1175 (pt_solution_set): Adjust.
1176 (ipa_escaped_pt): Declare.
1177 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1178 * gimple-pretty-print.c (pp_points_to_solution): New function.
1179 (dump_gimple_call): Dump call clobber/use information.
1180 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1181 * tree-pass.h (TDF_ALIAS): New dump option.
1182 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1183 * doc/invoke.texi (-fipa-pta): Update documentation.
1185 2010-04-15 Richard Guenther <rguenther@suse.de>
1187 * Makefile.in (OBJS-common): Add gimple-fold.o.
1188 (gimple-fold.o): New rule.
1189 * tree.h (maybe_fold_offset_to_reference,
1190 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1192 * gimple.h: ... here.
1193 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1194 may_propagate_address_into_dereference): Move prototypes ...
1195 * gimple.h: ... here.
1196 * tree-ssa-ccp.c (get_symbol_constant_value,
1197 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1198 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1199 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1200 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1201 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1202 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1203 gimplify_and_update_call_from_tree): Move ...
1204 * gimple-fold.c: ... here. New file.
1205 (ccp_fold_builtin): Rename to ...
1206 (gimple_fold_builtin): ... this.
1207 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1209 2010-04-15 Richard Guenther <rguenther@suse.de>
1211 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1212 fit_double_type, force_fit_type_double, add_double_with_sign,
1213 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1214 lrotate_double, rrotate_double, div_and_round_double): Move ...
1215 * double-int.c: ... here.
1216 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1217 add_double, neg_double, mul_double_with_sign, mul_double,
1218 lshift_double, rshift_double, lrotate_double, rrotate_double,
1219 div_and_round_double): Move prototypes ...
1220 * double-int.h: ... here.
1222 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1225 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1226 matching constraints to ensure inputs match the output.
1228 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1231 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1232 in an input-only operand.
1234 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1236 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1237 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1238 (double_int_negative_p): Convert to static inline function.
1239 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1240 (double_int_negative_p): Remove.
1241 * tree.h (lshift_double, rshift_double):
1242 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1243 * fold-const.c (fold_convert_const_int_from_real,
1244 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1245 (lshift_double): Change type of arith argument to bool.
1246 (rshift_double): Change type of arith argument to bool. Correct
1248 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1250 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1253 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1254 at the start and end of the then/else blocks, and omit them from the
1256 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1257 argument; all callers changed. Pass zero to old_insns_match_p instead.
1258 (flow_find_head_matching_sequence): New function.
1259 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1260 * basic-block.h (flow_find_cross_jump,
1261 flow_find_head_matching_sequence): Declare functions.
1263 2010-04-14 Jason Merrill <jason@redhat.com>
1266 * c-common.c (attribute_takes_identifier_p): New fn.
1267 * c-common.h: Declare it.
1269 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1271 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1273 (*udivmod<mode>4): Ditto.
1275 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1277 * config/i386/i386.md (maxmin_int): Rename code attribute from
1278 maxminiprefix and update all users.
1279 (maxmin_float): Ditto from maxminfprefix.
1280 (logic): Ditto from logicprefix.
1281 (absneg_mnemonic): Ditto from absnegprefix.
1282 * config/i386/mmx.md: Update all users of maxminiprefix,
1283 maxminfprefix and logicprefix for rename.
1284 * config/i386/sse.md: Ditto.
1285 * config/i386/sync.md (sync_<code><mode>): Update for
1288 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1291 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1292 warnings converted to errors.
1294 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1296 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1297 used insn_type variable.
1298 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1299 to avoid set-but-not-used warning.
1301 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1303 * df-core.c (df_ref_debug): Change format string placeholder
1305 * dwarf2asm.c (dw2_asm_output_data_raw,
1306 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1307 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1308 * dwarf2out.c (output_cfi, output_cfi_directive,
1309 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1310 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1312 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1313 * print-rtl.c (print_rtx): Ditto.
1315 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1318 * builtins.c (expand_builtin_pow_root): New function to expand pow
1319 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1320 series of sqrt and cbrt calls under -ffast-math.
1321 (expand_builtin_pow): Call it.
1323 2010-04-14 Michael Matz <matz@suse.de>
1325 PR tree-optimization/42963
1326 * tree-cfg.c (touched_switch_bbs): New static variable.
1327 (group_case_labels_stmt): New function broken out from ...
1328 (group_case_labels): ... here, use the above.
1329 (start_recording_case_labels): Allocate touched_switch_bbs.
1330 (end_recording_case_labels): Deallocate it, call
1331 group_case_labels_stmt.
1332 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1334 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1336 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1339 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1341 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1343 2010-04-13 Jan Hubicka <jh@suse.cz>
1345 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1346 of optimized out static functions.
1347 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1348 cost computation. Also sanity check for overflows.
1349 (update_caller_keys): Update cgraph_edge_badness call; properly
1350 update fibheap and sanity check that it is up to date.
1351 (add_new_edges_to_heap): Update cgraph_edge_badness.
1352 (cgraph_decide_inlining_of_small_function): Likewise;
1353 add sanity checking that badness in heap is up to date;
1354 improve dumping of reason; Update badness of calls to the
1355 offline copy of function currently inlined; dump badness
1356 of functions not inlined because of unit growth limits.
1358 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1361 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1362 because of sign-extension change when converting to sizetype here...
1363 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1365 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1366 the folding to constants. Remove redundant final conversion.
1367 (fold_binary) <associate>: Do not associate if the re-association of
1368 constants alone overflows.
1369 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1370 to the end of the list.
1371 (multiple_of_p) <COND_EXPR>: New case.
1373 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1375 * opt-functions.awk (opt_sanitized_name): New.
1377 * optc-gen.awk: Use it
1378 * opth-gen.awk: Use it.
1380 2010-04-13 Martin Jambor <mjambor@suse.cz>
1382 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1383 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1384 children. Call replace_uses_with_default_def_ssa_name to handle
1387 2010-04-13 Michael Matz <matz@suse.de>
1390 * builtins.c (expand_builtin_interclass_mathfn): Also create
1391 a register if the predicate doesn't match.
1393 2010-04-13 Diego Novillo <dnovillo@google.com>
1395 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1396 * c-pch.c: Include timevar.h.
1397 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1398 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1399 * ggc-common.c: Include timevar.h.
1400 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1401 * timevar.def (TV_PCH_SAVE): Define.
1402 (TV_PCH_CPP_SAVE): Define.
1403 (TV_PCH_PTR_REALLOC): Define.
1404 (TV_PCH_PTR_SORT): Define.
1405 (TV_PCH_RESTORE): Define.
1406 (TV_PCH_CPP_RESTORE): Define.
1408 2010-04-13 Michael Matz <matz@suse.de>
1410 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1412 (can_reassociate_p): New function.
1413 (break_up_subtract_bb, reassociate_bb): Use it.
1415 2010-04-13 Richard Guenther <rguenther@suse.de>
1418 * builtins.c (c_readstr): Fix assert.
1420 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1422 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1423 when generating cltd insn.
1425 (*ashl<mode>3_1): Remove special handling for register operand 2.
1426 (*ashlsi3_1_zext): Ditto.
1427 (*ashlhi3_1): Ditto.
1428 (*ashlhi3_1_lea): Ditto.
1429 (*ashlqi3_1): Ditto.
1430 (*ashlqi3_1_lea): Ditto.
1431 (*<shiftrt_insn><mode>3_1): Ditto.
1432 (*<shiftrt_insn>si3_1_zext): Ditto.
1433 (*<shiftrt_insn>qi3_1_slp): Ditto.
1434 (*<rotate_insn><mode>3_1): Ditto.
1435 (*<rotate_insn>si3_1_zext): Ditto.
1436 (*<rotate_insn>qi3_1_slp): Ditto.
1438 2010-04-13 Richard Guenther <rguenther@suse.de>
1440 * tree-ssa-structalias.c (callused_id): Remove.
1441 (call_stmt_vars): New.
1442 (get_call_vi): Likewise.
1443 (lookup_call_use_vi): Likewise.
1444 (lookup_call_clobber_vi): Likewise.
1445 (get_call_use_vi): Likewise.
1446 (get_call_clobber_vi): Likewise.
1447 (make_transitive_closure_constraints): Likewise.
1448 (handle_const_call): Adjust to do per-call call-used handling.
1449 (handle_pure_call): Likewise.
1450 (find_what_var_points_to): Remove general callused handling.
1451 (init_base_vars): Likewise.
1452 (init_alias_vars): Initialize call_stmt_vars.
1453 (compute_points_to_sets): Process call-used and call-clobbered
1454 vars for call statements.
1455 (delete_points_to_sets): Free call_stmt_vars.
1457 2010-04-13 Richard Guenther <rguenther@suse.de>
1459 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1460 Only add RW dependence for dependence distance zero.
1461 Adjust maximal vectorization factor according to dependences.
1462 Move alignment handling ...
1463 (vect_find_same_alignment_drs): ... here. New function.
1464 (vect_analyze_data_ref_dependences): Adjust.
1465 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1466 (vect_analyze_data_refs): Adjust minimal vectorization factor
1467 according to data references.
1468 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1469 dependences before determining the vectorization factor.
1470 Analyze alignment after determining the vectorization factor.
1471 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1472 dependences before alignment.
1473 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1475 (vect_analyze_data_refs): Likewise.
1476 (MAX_VECTORIZATION_FACTOR): New define.
1478 2010-04-13 Duncan Sands <baldrick@free.fr>
1480 * except.h (lang_eh_type_covers): Remove.
1481 * except.c (lang_eh_type_covers): Likewise.
1483 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1484 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1486 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1487 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1488 UNITS_PER_LONG where it is ABI relevant.
1489 (s390_return_addr_rtx): Likewise.
1490 (s390_back_chain_rtx): Likewise.
1491 (s390_frame_area): Likewise.
1492 (s390_frame_info): Likewise.
1493 (s390_initial_elimination_offset): Likewise.
1494 (save_gprs): Likewise.
1495 (s390_emit_prologue): Likewise.
1496 (s390_emit_epilogue): Likewise.
1497 (s390_function_arg_advance): Likewise.
1498 (s390_function_arg): Likewise.
1499 (s390_va_start): Likewise.
1500 (s390_gimplify_va_arg): Likewise.
1501 (s390_function_profiler): Likewise.
1502 (s390_optimize_prologue): Likewise.
1503 (s390_rtx_costs): Likewise.
1504 (s390_secondary_reload): Likewise.
1505 (s390_promote_function_mode): Likewise.
1506 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1507 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1508 registers available.
1509 (s390_unwind_word_mode): New function.
1510 (s390_function_value): Split 64 bit values into register pair if
1511 used as return value.
1512 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1513 function call parameters. Handle parallels.
1514 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1515 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1516 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1517 (s390_expand_setmem): Remove unused variable src_addr.
1518 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1519 deal with 64 bit registers.
1520 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1521 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1522 (UNITS_PER_LONG): New macro.
1523 * libjava/include/s390-signal.h: Define extended ucontext
1524 structure containing the upper halfs of the 64 bit registers.
1526 2010-04-13 Simon Baldwin <simonb@google.com>
1528 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1530 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1532 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1533 rvalue on the RHS if the LHS is of a non-renamable type.
1534 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1536 2010-04-13 Matthias Klose <doko@ubuntu.com>
1538 * gcc.c (cc1_options): Handle -iplugindir before processing
1539 the cc1 spec. Only add -iplugindir once.
1540 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1542 * common.opt (iplugindir): Remove `Separate' property, initialize.
1543 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1545 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1546 (distclean): Remove plugin dir.
1547 * doc/invoke.texi: Document -iplugindir.
1549 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1551 * doc/plugins.texi (Loading Plugins): Document short
1552 -fplugin=foo option.
1553 (Plugin API): Mention default_plugin_dir_name function.
1555 * gcc.c (find_file_spec_function): Add new declaration.
1556 (static_spec_func): Use it for "find-file".
1557 (find_file_spec_function): Add new function.
1558 (cc1_options): Add -iplugindir option if -fplugin* options found.
1560 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1562 * plugin.c (add_new_plugin): Updated comment, and handle short
1564 (default_plugin_dir_name): Added new function.
1566 * common.opt (iplugindir): New option to set the plugin directory.
1568 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1570 * config/i386/i386.md (any_rotate): New code iterator.
1571 (rotate_insn): New code attribute.
1573 (SWIM124): New mode iterator.
1574 (<rotate_insn>ti3): New expander.
1575 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1576 any_rotate code iterator.
1577 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1578 using any_rotate code iterator and SWIM124 mode iterator.
1579 (ix86_rotlti3): New insn_and_split pattern.
1580 (ix86_rotrti3): Ditto.
1581 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1582 ix86_rotl{di,ti}3 patterns.
1583 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1584 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1585 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1586 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1587 code iterator and SWI mode iterator.
1588 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1589 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1591 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1592 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1593 (bswap rotatert splitter): Add splitter.
1594 (bswap splitter): Macroize splitter using any_rotate code iterator.
1595 Add insn predicate to split only for TARGET_USE_XCHGB or when
1596 optimizing function for size.
1598 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1600 * config/pa/pa.c (emit_move_sequence): Remove use of
1601 deleted variable flag_argument_noalias.
1603 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1605 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1607 Add to unsupported targets list.
1608 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1609 sparc*-sun-solaris2.[567]* from target lists.
1610 * configure: Regenerate.
1611 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1613 Remove Solaris 7 patch references.
1614 (Specific, sparc-sun-solaris2.7): Removed.
1615 (sparc-sun-solaris2*): Update Solaris 7 example.
1616 (sparc64-*-solaris2*): Likewise.
1618 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1620 * config.build (alpha*-dec-osf4*): Remove.
1621 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1622 of obsolete configurations.
1623 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1625 * config/alpha/t-osf4: Renamed to ...
1626 * config/alpha/t-osf5: ... this.
1627 * config/alpha/osf.h: Renamed to ...
1628 * config/alpha/osf5.h: ... this.
1629 Merged old osf5.h contents.
1631 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1632 (EXTRA_SPECS): Removed.
1633 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1634 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1637 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1639 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1641 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1644 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1645 __thiscall convention.
1647 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1649 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1651 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1653 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1655 * function.c (assign_parms_initialize_all): Add unused attribute
1658 2010-04-12 Richard Guenther <rguenther@suse.de>
1660 * gsstruct.def (GSS_CALL): New.
1661 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1662 * gimple.h: Include tree-ssa-alias.h.
1663 (struct gimple_statement_call): New.
1664 (union gimple_statement_struct_d): Add gimple_call member.
1665 (gimple_call_reset_alias_info): Declare.
1666 (gimple_call_use_set): New function.
1667 (gimple_call_clobber_set): Likewise.
1668 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1669 * gimple.c (gimple_call_reset_alias_info): New function.
1670 (gimple_build_call_1): Call it.
1671 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1672 * tree-inline.c (remap_gimple_stmt): Likewise.
1673 (expand_call_inline): Remove callused handling.
1674 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1675 * tree-dfa.c (dump_variable): Likewise.
1676 * tree-parloops.c (parallelize_loops): Likewise.
1677 * tree-ssa.c (init_tree_ssa): Likewise.
1678 (delete_tree_ssa): Likewise.
1679 * tree-flow-inline.h (is_call_used): Remove.
1680 * tree-flow.h (struct gimple_df): Remove callused member.
1681 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1682 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1683 (ref_maybe_used_by_call_p_1): Simplify.
1684 (call_may_clobber_ref_p_1): Likewise.
1685 * tree-ssa-structalias.c (compute_points_to_sets): Set
1686 the call stmt used and clobbered sets.
1687 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1688 (find_tail_calls): Verify the tail call.
1690 2010-04-12 Richard Guenther <rguenther@suse.de>
1692 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1693 single-iteration always-inline inlining.
1694 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1695 (cgraph_decide_inlining): Do not handle always-inline specially.
1696 (try_inline): Remove always-inline cycle detection special case.
1697 Do not recurse on always-inlines.
1698 (cgraph_early_inlining): Do not iterate if not optimizing.
1699 (cgraph_gate_early_inlining): remove.
1700 (pass_early_inline): Run unconditionally.
1701 (gate_cgraph_decide_inlining): New function.
1702 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1703 not inlining or optimizing.
1704 (cgraph_decide_inlining_of_small_functions): Also consider
1705 always-inline functions.
1706 (cgraph_default_inline_p): Return true for nodes which should
1707 disregard inline limits.
1708 (estimate_function_body_sizes): Assume zero size and time for
1709 nodes which are marked as disregarding inline limits.
1710 (cgraph_decide_recursive_inlining): Do not perform recursive
1711 inlining on always-inline nodes.
1713 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1716 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1717 for exprs satisfying handled_component_p.
1719 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1721 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1722 non-constant aggregate elements.
1724 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1725 is a real initialization.
1727 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1730 * c-decl.c (start_function): Move forward check for nested function.
1732 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1734 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1735 * config/sh/sh.c: Include reload.h.
1736 (sh_legitimize_reload_address): New.
1737 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1738 sh_legitimize_reload_address.
1740 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1742 * config/sh/sh.md (*movqi_pop): New insn pattern.
1743 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1745 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1747 * config/i386/i386.md (any_shiftrt): New code iterator.
1748 (shiftrt_insn): New code attribute.
1750 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1751 using any_shiftrt code iterator.
1752 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1753 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1754 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1755 pattern from corresponding peephole2 patterns.
1756 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1757 using any_shiftrt code iterator.
1758 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1759 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1760 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1761 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1762 *{ashr,lshr}<mode>3_cmp_zext.
1763 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1765 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1767 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1769 (*lshr<mode>3_cconly): Ditto.
1771 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1773 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1774 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1775 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1776 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1778 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1779 from corresponding peephole2 patterns.
1780 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1781 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1782 and *lshrdi3_1_rex64 using SWI mode iterator.
1783 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1784 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1785 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1786 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1787 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1788 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1789 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1790 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1791 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1794 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1796 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1797 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1798 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1799 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1801 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1802 from corresponding peephole2 patterns.
1803 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1804 (ashrsi3_cvt): Rename from ashrsi3_31.
1805 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1806 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1807 and x86_64_shift_adj_3 using SWI48 mode iterator.
1808 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1809 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1810 and *ashrdi3_1_rex64 using SWI mode iterator.
1811 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1812 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1813 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1814 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1815 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1816 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1817 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1818 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1819 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1821 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1822 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1823 x86_shift<mode>_adj_3 expanders.
1825 2010-04-10 Wei Guozhi <carrot@google.com>
1828 * config/arm/arm.c (arm_pic_static_addr): New function.
1829 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1831 (arm_output_addr_const_extra): Output expression for new pattern.
1832 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1834 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1836 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1839 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1840 * web.c: Include "insn-config.h" and "recog.h".
1841 (union_match_dups): New function.
1842 (web_main): Call it.
1843 (union_defs): Don't try to recognize match_dups.
1845 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1846 if doing so would replace the entire pattern.
1848 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1852 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1853 and splitter pattern. Change splitter operand 1 predicate to
1856 2010-04-09 Martin Jambor <mjambor@suse.cz>
1858 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1859 lattices are addresses of CONST_DECLs with the same initial value.
1860 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1861 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1863 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1864 Bernd Schmidt <bernds@codesourcery.com>
1866 * loop-invariant.c (replace_uses): New static function.
1867 (move_invariant_reg): Use it to ensure we can replace the uses.
1869 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1871 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1873 (picochip_override_options): Enable section anchors only above -O1.
1874 (picochip_reorg): Fixed a couple of build warnings.
1876 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1878 * configure.ac (plugin -rdynamic test): Log result.
1879 * configure: Regenerate.
1880 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1881 (RDYNAMIC_SPEC): Define.
1882 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1884 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1886 * configure.ac: Determine Sun ld version numbers.
1887 (comdat_group): Restrict GNU ld version checks to gld.
1888 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1889 (enable_comdat): Support --enable-comdat.
1890 * configure: Regenerate.
1891 * doc/install.texi (Configuration): Document --enable-comdat.
1893 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1895 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1896 * config/sol2-gld.h: ... here.
1897 * config.gcc (sparc*-*-solaris2*): Reflect this.
1898 (i[34567]86-*-solaris2*): Use it.
1900 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1902 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1904 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1906 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1909 * diagnostic.c (diagnostic_initialize): Initialize
1910 some_warnings_are_errors.
1911 (diagnostic_finish): New.
1912 (diagnostic_action_after_output): Call it before exiting.
1913 (diagnostic_report_diagnostic): Do not print message here. Set
1914 some_warnings_are_errors.
1915 * diagnostic.h (diagnostic_context): Delete
1916 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1917 (diagnostic_finish): Declare.
1918 * toplev.c (toplev_main): Call it before exit.
1920 2010-04-09 Jason Merrill <jason@redhat.com>
1923 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1924 for incomplete type.
1927 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1928 based on a warning flag.
1930 2010-04-09 Richard Guenther <rguenther@suse.de>
1932 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1934 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1937 * varasm.c (default_assemble_visibility): Wrap vars that are
1938 set, but unused, by targets without GAS.
1939 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1940 Remove set, but unused, vars.
1941 (rs6000_legitimize_tls_address): Likewise.
1942 (altivec_expand_dst_builtin): Likewise.
1943 * config/darwin.c (machopic_classify_symbol): Likewise.
1944 (machopic_indirection_name): Likewise.
1946 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1948 * config/i386/i386.md (DWI): New mode iterator.
1949 (S): New mode attribute.
1950 (shift_operand): Ditto.
1951 (shift_immediate_operand): Ditto.
1952 (ashl_input_operand): Ditto.
1953 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1954 using SDWIM mode iterator.
1955 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1956 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1958 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1959 from corresponding peephole2 patterns.
1960 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1961 and x86_64_shift_adj_1 using SWI48 mode iterator.
1962 (x86_shift<mode>_adj_2): Ditto.
1963 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1964 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1965 using SWI48 mode iterator.
1966 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1967 *ashldi3_cmp_rex64 using SWI mode iterator.
1968 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1969 *ashldi3_cconly_rex64 using SWI mode iterator.
1970 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1971 x86_shift<mode>_adj_{1,2}.
1972 (ix86_split_ashr): Ditto.
1973 (ix86_split_lshr): Ditto.
1975 2010-04-09 Richard Guenther <rguenther@suse.de>
1977 * target.h (builtin_conversion): Pass in input and output types.
1978 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1979 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1980 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1981 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1983 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1985 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1987 2010-04-09 Richard Guenther <rguenther@suse.de>
1990 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1992 2010-04-09 Richard Guenther <rguenther@suse.de>
1994 * tree-vectorizer.h (struct _stmt_vec_info): Document
1995 that vectype is the type of the LHS.
1996 (supportable_widening_operation, supportable_narrowing_operation):
1997 Get both input and output vector types as arguments.
1998 (vect_is_simple_use_1): Declare.
1999 (get_same_sized_vectype): Likewise.
2000 * tree-vect-loop.c (vect_determine_vectorization_factor):
2001 Set STMT_VINFO_VECTYPE to the vector type of the def.
2002 (vectorizable_reduction): Adjust.
2003 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2004 Adjust. Specify the output vector type.
2005 (vect_pattern_recog_1): Adjust.
2006 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2007 (vectorizable_call): Adjust.
2008 (vectorizable_conversion): Likewise.
2009 (vectorizable_operation): Likewise.
2010 (vectorizable_type_demotion): Likewise.
2011 (vectorizable_type_promotion): Likewise.
2012 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2014 (vect_is_simple_use_1): New function.
2015 (supportable_widening_operation): Get both input and output
2017 (supportable_narrowing_operation): Likewise.
2018 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2020 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2022 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2023 __thiscall and _thiscall as predefined macros.
2024 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2025 thiscall attribute handling.
2026 (ix86_comp_type_attributes): Likewise.
2027 (ix86_function_regparm): Likewise.
2028 (ix86_return_pops_args): Likewise.
2029 (init_cumulative_args): Likewise.
2030 (find_drap_reg): Likewise.
2031 (ix86_static_chain): Likewise.
2032 (x86_this_parameter): Likewise.
2033 (x86_output_mi_thunk): Likewise.
2034 (ix86_attribute_table): Add description for thiscall attribute.
2035 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2036 * doc/extend.texi: Add documentation for thiscall.
2038 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2041 * c.opt (Wint-to-pointer-cast): Available in C++.
2042 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2044 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2046 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2047 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2048 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2049 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2050 function type instead. Reorder and simplify checks.
2052 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2054 2010-04-08 Jing Yu <jingyu@google.com>
2055 Zdenek Dvorak <ook@ucw.cz>
2057 PR tree-optimization/42720
2058 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2059 loop unswitch conditions here from ...
2060 (tree_unswitch_single_loop): ... here.
2062 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2064 * tree-if-conv.c: Fix comments and simplify logic.
2066 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2068 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2069 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2070 (main_tree_if_conversion): Update call to tree_if_conversion.
2072 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2075 * doc/invoke.texi (-b,-V): Delete.
2076 * doc/tm.texi: Do not mention -b.
2077 * gcc.c (display_help): Delete -b and -V.
2078 (process_command): Delete -b and -V.
2079 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2081 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2082 Wolfgang Gellerich <gellerich@de.ibm.com>
2084 Implement target hook for loop unrolling
2085 * target.h (loop_unroll_adjust): Add a new target hook function.
2086 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2087 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2088 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2089 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2090 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2092 (decide_unroll_stupid): Likewise.
2094 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2097 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2099 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2101 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2102 (Specific, *-*-solaris2*): Likewise.
2103 Don't prefer Sun as over GNU as.
2105 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2107 * config/s390/s390.c (override_options): Adjust the z10
2108 defaults for max-unroll-times, max-completely-peeled-insns
2109 and max-completely-peel-times.
2111 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2113 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2114 instructions for z10.
2115 (s390_expand_setmem): Likewise.
2116 (s390_expand_cmpmem): Likewise.
2118 2010-04-08 Richard Guenther <rguenther@suse.de>
2120 PR tree-optimization/43679
2121 * tree-ssa-pre.c (eliminate): Only propagate copies.
2123 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2126 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2127 set but not used variable warning.
2129 2010-04-08 Wei Guozhi <carrot@google.com>
2132 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2133 (arm_size_rtx_costs): Call the new function when optimized for size.
2135 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2138 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2139 op0 is not a MEM, just return NULL instead of assertion
2141 (discover_nonconstant_array_refs): Don't walk debug stmts.
2143 2010-04-08 Doug Kwan <dougkwan@google.com>
2145 * configure.ac: Recognize gold and do not use its version number
2146 to test ld features.
2147 * configure: Regenerate.
2149 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2152 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2153 (negate_value): Move code to push elements to broken_up_substracts ...
2154 (eliminate_plus_minus_pair): ... here. Push operands that have no
2155 negative pair to plus_negates.
2156 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2158 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2160 * doc/install.texi (Configuration): Move description of
2161 --enable-lto, --with-libelf*, --enable-gold from Java section to
2164 * doc/generic.texi (Working with declarations)
2165 (Function Properties, C and C++ Trees): Fix typos.
2166 * doc/sourcebuild.texi (Top Level): Likewise.
2168 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2171 * tree.h (DECL_READ_P): Define.
2172 (struct tree_decl_common): Add decl_read_flag.
2173 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2174 a set but not used warning.
2175 (merge_decls): Merge DECL_READ_P flag.
2176 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2177 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2178 * c-common.c (handle_used_attribute, handle_unused_attribute):
2180 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2182 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2184 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2185 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2186 c_parser_binary_expression, c_parser_cast_expression,
2187 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2188 Call default_function_array_read_conversion instead of
2189 default_function_array_conversion where needed.
2190 (c_parser_unary_expression, c_parser_conditional_expression,
2191 c_parser_postfix_expression_after_primary, c_parser_initelt):
2192 Likewise. Call mark_exp_read where needed.
2193 (c_parser_statement_after_labels, c_parser_asm_operands,
2194 c_parser_typeof_specifier, c_parser_sizeof_expression,
2195 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2197 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2199 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2200 (warn_unused_but_set_parameter): Default to warn_unused
2202 * doc/invoke.texi: Document -Wunused-but-set-variable and
2203 -Wunused-but-set-parameter.
2205 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2206 used count variable.
2207 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2208 when operandN variables aren't used in the body of the expander
2210 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2211 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2212 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2213 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2214 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2215 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2216 * tree.c (PROCESS_ARG): Likewise.
2218 2010-04-07 Simon Baldwin <simonb@google.com>
2220 * diagnostic.h (diagnostic_override_option_index): New macro to
2221 set a diagnostic's option_index.
2222 * c-tree.h (c_cpp_error): Add warning reason argument.
2223 * opts.c (_warning_as_error_callback): New.
2224 (register_warning_as_error_callback): Store callback for
2225 warnings enabled via enable_warning_as_error.
2226 (enable_warning_as_error): Call callback, minor code tidy.
2227 * opts.h (register_warning_as_error_callback): Declare.
2228 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2229 response to -Werror=.
2230 (c_common_init_options): Register warning_as_error_callback in opts.c.
2231 * common.opt: Add -Wno-cpp option.
2232 * c-common.c (struct reason_option_codes_t): Map cpp warning
2233 reason codes to gcc option indexes.
2234 * (c_option_controlling_cpp_error): New function, lookup the gcc
2235 option index for a cpp warning reason code.
2236 * (c_cpp_error): Add warning reason argument, call
2237 c_option_controlling_cpp_error for diagnostic_override_option_index.
2238 * doc/invoke.texi: Document -Wno-cpp.
2240 2010-04-07 Richard Guenther <rguenther@suse.de>
2242 * ipa-reference.c (mark_load): Use get_base_address.
2243 (mark_store): Likewise.
2245 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2246 inserting GIMPLE_NOPs into the IL.
2247 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2248 Explicitly strip handled components and indirect references.
2250 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2251 folding address expressions.
2252 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2253 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2254 operand_equal_p to compare decls.
2255 (ptr_deref_may_alias_decl_p): Likewise.
2256 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2257 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2258 Handle reversed comparison ops.
2259 * tree-sra.c (asm_visit_addr): Use get_base_address.
2260 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2261 * ipa-reference.c (mark_address): Use get_base_address.
2263 2010-04-07 Richard Guenther <rguenther@suse.de>
2265 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2266 Propagate constants everywhere.
2268 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2271 * tree.c (MAX_INT_CACHED_PREC): Define.
2272 (nonstandard_integer_type_cache): New array.
2273 (build_nonstandard_integer_type): Cache results for precision
2274 <= MAX_INT_CACHED_PREC.
2276 2010-04-07 Richard Guenther <rguenther@suse.de>
2278 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2279 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2280 * common.opt: Likewise.
2281 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2282 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2283 (nonoverlapping_memrefs_p): Likewise.
2284 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2285 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2286 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2287 OPT_fargument_noalias_global for backward compatibility.
2289 2010-04-07 Richard Guenther <rguenther@suse.de>
2291 PR tree-optimization/43270
2292 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2293 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2294 * tree-ssa-pre.c (phi_translate_1): Adjust.
2295 (fully_constant_expression): Split out vn_reference handling to ...
2296 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2297 Fold reads from constant strings.
2298 (vn_reference_lookup): Handle fully constant references.
2299 (vn_reference_lookup_pieces): Likewise.
2300 * Makefile.in (expmed.o-warn): Add -Wno-error.
2302 2010-04-07 Martin Jambor <mjambor@suse.cz>
2304 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2306 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2309 * gcc.c: Add -static-libstdc++ to list of recognized options.
2311 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2313 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2315 2010-04-07 Richard Guenther <rguenther@suse.de>
2318 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2319 bases build simple mem attributes to retain points-to information.
2321 2010-04-07 Richard Guenther <rguenther@suse.de>
2324 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2325 preserve points-to related information.
2327 2010-04-07 Richard Guenther <rguenther@suse.de>
2330 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2331 discard plain indirect references.
2332 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2333 * tree.c (tree_nop_conversion): Likewise.
2335 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2338 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2340 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2342 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2343 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2345 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2347 * tree-if-conv.c: Fix indentation and comments.
2349 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2351 * tree-if-conv.c: Sort static functions in topological order.
2353 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2355 * tree-if-conv.c: Fix indentation and comments.
2357 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2360 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2361 lang_hooks.types.type_for_size instead of
2362 build_nonstandard_integer_type.
2363 When converting an unsigned type to signed, double its precision.
2364 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2365 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2366 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2369 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2372 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2373 POINTER_PLUS_EXPR for pointer types.
2375 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2378 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2379 * graphite-clast-to-gimple.c: Include langhooks.h.
2380 (max_signed_precision_type): New.
2381 (max_precision_type): Takes two types as arguments.
2382 (precision_for_value): New.
2383 (precision_for_interval): New.
2384 (gcc_type_for_interval): New.
2385 (gcc_type_for_value): New.
2386 (gcc_type_for_clast_term): New.
2387 (gcc_type_for_clast_red): New.
2388 (gcc_type_for_clast_bin): New.
2389 (gcc_type_for_clast_expr): Split up into several functions.
2390 (gcc_type_for_clast_eq): Rewritten.
2391 (compute_bounds_for_level): New.
2392 (compute_type_for_level_1): New.
2393 (compute_type_for_level): New.
2394 (gcc_type_for_cloog_iv): Removed.
2395 (gcc_type_for_iv_of_clast_loop): Rewritten.
2396 (graphite_create_new_loop): Compute the lower and upper bound types
2397 with gcc_type_for_clast_expr.
2398 (graphite_create_new_loop_guard): Same.
2399 (find_cloog_iv_in_expr): Removed.
2400 (compute_cloog_iv_types_1): Removed.
2401 (compute_cloog_iv_types): Removed.
2402 (gloog): Do not call compute_cloog_iv_types.
2403 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2405 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2406 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2407 (GBB_CLOOG_IV_TYPES): Removed.
2409 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2411 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2412 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2413 (detect_commutative_reduction): Same.
2415 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2417 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2418 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2420 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2421 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2422 (rewrite_commutative_reductions_out_of_ssa): Same.
2423 * passes.c (execute_function_todo): Call verify_ssa for every pass
2424 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2425 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2426 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2427 with an extra argument.
2428 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2429 verify_ssa only when the extra argument is true.
2430 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2431 with an extra argument.
2432 (tree_transform_and_unroll_loop): Same.
2434 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2436 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2437 for all the passes of the LNO having LOOP_CLOSED_SSA.
2438 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2439 * tree-loop-distribution.c (pass_loop_distribution): Same.
2440 * tree-pass.h (TODO_verify_loops): Removed.
2441 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2443 (pass_tree_unswitch): Same.
2444 (pass_predcom): Same.
2445 (pass_vectorize): Same.
2446 (pass_linear_transform): Same.
2447 (pass_graphite_transforms): Same.
2448 (pass_iv_canon): Same.
2449 (pass_complete_unroll): Same.
2450 (pass_complete_unrolli): Same.
2451 (pass_parallelize_loops): Same.
2452 (pass_loop_prefetch): Same.
2453 (pass_iv_optimize): Same.
2455 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2458 * passes.c (init_optimization_passes): Move pass_lim before
2459 pass_copy_prop and pass_dce_loop.
2461 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2464 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2465 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2466 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2467 MULTI_* defines for 4 argument vpermil2p* builtins.
2469 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2471 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2472 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2473 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2474 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2475 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2476 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2477 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2478 Use x86_maybe_negate_const_int to output insn mnemonic.
2479 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2480 check from instruction predicate. Update comments.
2481 * config/i386/sync.md (sync_add<mode>): Use
2482 x86_maybe_negate_const_int to output insn mnemonic.
2484 2010-04-06 Jan Hubicka <jh@suse.cz>
2486 PR tree-optimization/42906
2487 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2488 IGNORE_SELF argument. Set visited_control_parents for fully
2490 (find_obviously_necessary_stmts): Update call of
2491 mark_control_dependent_edges_necessary.
2492 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2494 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2496 * config/i386/i386.md: Remove comment about 'e' and 'E'
2499 2010-04-06 Richard Guenther <rguenther@suse.de>
2501 PR tree-optimization/43627
2502 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2503 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2506 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2508 * BASE-VER: Change to 4.6.0.
2511 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2514 2010-04-06 Richard Guenther <rguenther@suse.de>
2517 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2519 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2521 * doc/invoke.texi (Optimize Options): Document that LTO
2522 won't remove object access purely due to incompatible
2525 2010-04-04 Matthias Klose <doko@ubuntu.com>
2527 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2528 Initialize variable.
2530 2010-04-03 Richard Guenther <rguenther@suse.de>
2533 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2534 require a non-NULL MEM_OFFSET.
2536 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2538 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2539 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2540 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2541 config/alpha/predicates.md, config/arm/arm.md,
2542 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2543 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2544 config/darwin9.h, config/darwin.c, config/darwin.h,
2545 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2546 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2547 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2548 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2549 config/mips/mips.md, config/mn10300/mn10300.c,
2550 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2551 config/rs6000/aix.h, config/rs6000/dfp.md,
2552 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2553 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2554 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2555 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2556 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2557 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2558 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2559 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2560 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2561 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2562 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2563 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2564 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2565 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2566 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2567 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2568 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2569 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2570 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2571 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2572 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2573 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2574 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2575 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2576 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2577 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2578 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2579 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2580 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2581 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2582 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2583 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2584 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2585 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2586 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2587 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2589 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2592 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2593 * aclocal.m4: Regenerate.
2595 2010-04-02 Richard Guenther <rguenther@suse.de>
2597 PR tree-optimization/43629
2598 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2599 if we have seen a constant value.
2601 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2603 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2605 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2608 * arm.c (legitimize_tls_address): Adjust call to
2609 gen_tls_load_dot_plus_four.
2610 (arm_note_pic_base): New function.
2611 (arm_cannot_copy_insn_p): Use it.
2612 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2615 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2620 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2622 * Makefile.in ($(out_object_file)): Depend on
2623 gt-$(basename $(notdir $(out_file))).h.
2625 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2627 * config.gcc (lm32-*-rtems*): Add t-lm32.
2629 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2631 * config.gcc: Add lm32-*-rtems*.
2632 * config/lm32/rtems.h: New file.
2634 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2637 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2639 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2641 * dwarf2out.c (output_compilation_unit_header): For
2642 -gdwarf-4 use version 4 instead of version 3.
2643 (output_line_info): For version 4 and above emit additional
2644 maximum ops per insn header field.
2645 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2647 * dwarf2out.c (is_c_family, is_java): Remove.
2648 (lower_bound_default): New function.
2649 (add_bound_info, gen_descr_array_type_die): Use it.
2651 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2654 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2655 re-declaration when it happens in a function.
2657 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2659 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2660 (cgraph_remove_function_insertion_hook): Same.
2661 (cgraph_call_function_insertion_hooks): Same.
2663 2010-04-01 Richard Guenther <rguenther@suse.de>
2666 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2667 and TREE_THIS_VOLATILE.
2668 (copy_ref_info): Likewise.
2669 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2670 * tree.c (build6_stat): Ignore side-effects of all but arg5
2671 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2674 2010-04-01 Richard Guenther <rguenther@suse.de>
2676 PR tree-optimization/43607
2677 * ipa-type-escape.c (check_call): Do not access non-existing
2680 2010-04-01 Richard Guenther <rguenther@suse.de>
2684 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2685 Jack Howarth <howarth@bromo.med.uc.edu>
2687 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2690 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2692 * doc/install.texi (Prerequisites): Document libelf usability on
2693 IRIX 5/6 and Solaris 2.
2694 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2695 Update GNU as, GNU ld requirements.
2696 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2697 Document Sun Studio compiler download.
2698 Update and simplify as, ld recommendations.
2699 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2701 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2703 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2704 with_tune_32 to pentium4.
2706 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2708 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2710 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2712 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2713 obsoletion, removal.
2715 Document GNU as requirement.
2716 Update configure requirements.
2717 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2718 Recomment IRIX 6.5.18+.
2719 Document IDF/IDL requirement.
2720 Document GNU as requirement.
2721 Document GNU ld bootstrap failure.
2722 Remove freeware.sgi.com reference.
2724 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2726 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2727 UNIX V4.0, V5.0 obsoletion, removal.
2728 Remove --with-gc=simple reference.
2729 Update VM requirements during bootstrap.
2730 Remove -oldas bootstrap description.
2731 Update binutils reference.
2732 Remove comparison failure note.
2734 2010-03-31 Richard Guenther <rguenther@suse.de>
2735 Zdenek Dvorak <ook@ucw.cz>
2736 Sebastian Pop <sebastian.pop@amd.com>
2739 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2740 with multiple arguments.
2741 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2743 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2745 * graphite-dependences.c (print_pddr): Call print_pdr with an
2747 * graphite-poly.c (debug_pdr): Add an extra argument for the
2750 (print_pbb_domain): Same.
2752 (print_scop_context): Same.
2754 (print_cloog): Same.
2755 (debug_pbb_domain): Same.
2759 (debug_scop_context): Same.
2761 (debug_cloog): Same.
2762 (print_scop_params): Same.
2763 (debug_scop_params): Same.
2764 (print_iteration_domain): Same.
2765 (print_iteration_domains): Same.
2766 (debug_iteration_domain): Same.
2767 (debug_iteration_domains): Same.
2768 (print_scattering_function): Same.
2769 (print_scattering_functions): Same.
2770 (debug_scattering_function): Same.
2771 (debug_scattering_functions): Same.
2772 * graphite-poly.h (debug_pdr): Update declaration.
2774 (print_pbb_domain): Same.
2776 (print_scop_context): Same.
2778 (print_cloog): Same.
2779 (debug_pbb_domain): Same.
2783 (debug_scop_context): Same.
2785 (debug_cloog): Same.
2786 (print_scop_params): Same.
2787 (debug_scop_params): Same.
2788 (print_iteration_domain): Same.
2789 (print_iteration_domains): Same.
2790 (debug_iteration_domain): Same.
2791 (debug_iteration_domains): Same.
2792 (print_scattering_function): Same.
2793 (print_scattering_functions): Same.
2794 (debug_scattering_function): Same.
2795 (debug_scattering_functions): Same.
2797 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2799 * graphite-poly.c (print_scattering_function_1): New.
2800 (print_scattering_function): Call it.
2801 (print_scop_params): Remove spaces at the end of lines.
2804 * graphite-poly.h (print_cloog): Declared.
2805 (debug_cloog): Declared.
2807 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2809 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2811 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2812 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2813 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2814 to switch between adding the IV bump in loop->latch or in loop->header.
2816 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2818 * graphite-poly.c (print_scattering_function): Pretty print following
2821 (print_pbb_domain): Same.
2822 (dump_gbb_cases): Same.
2823 (dump_gbb_conditions): Same.
2826 (print_scop_params): Same.
2827 (print_scop_context): Same.
2829 (print_pbb_body): New.
2830 (lst_indent_to): New.
2831 (print_lst): Start new lines with a #.
2832 * graphite-poly.h (pbb_bb): New.
2833 (pbb_index): Use pbb_bb.
2834 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2836 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2838 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2840 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2841 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2842 and 0 instead of 1 for dw_val_class_flag.
2843 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2844 dw_val_class_range_list, dw_val_class_loc_list,
2845 dw_val_class_lineptr and dw_val_class_macptr, use
2846 DW_FORM_flag_present for dw_val_class_flag and
2847 DW_FORM_exprloc for dw_val_class_loc.
2848 (output_die): For -gdwarf-4 print dw_val_class_loc
2849 size as uleb128 instead of 1 or 2 bytes and don't print
2850 anything for dw_val_class_flag.
2852 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2853 instead of cselib_lookup following by tweaking locs->setting_insn.
2856 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2857 even before returning from label, setjmp call or volatile asm
2860 2010-03-31 Richard Guenther <rguenther@suse.de>
2863 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2864 temporary data on stack.
2866 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2868 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2869 (PUSHSECTION_ASM_OP): Remove.
2870 (POPSECTION_ASM_OP): Remove.
2871 (PUSHSECTION_FORMAT): Remove.
2872 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2873 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2874 * config/sol2.c (solaris_output_init_fini): Use it.
2876 2010-03-31 Jie Zhang <jie@codesourcery.com>
2879 * opt-functions.awk (var_type_struct): Use signed char type
2880 for simple variables.
2882 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2884 * config/sol2.c: Include output.h.
2885 (solaris_assemble_visibility): New function.
2886 * config/t-sol2 (sol2.o): Add output.h dependency.
2887 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2888 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2891 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2894 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2895 V2SImode or XFmode on PRE_DEC.
2898 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2901 2010-03-31 Jie Zhang <jie@codesourcery.com>
2904 * reload.h (caller_save_initialized_p): Declare.
2905 * toplev.c (backend_init_target): Don't call
2906 init_caller_save but set caller_save_initialized_p to false.
2907 * caller-save.c (caller_save_initialized_p): Define.
2908 (init_caller_save): Check caller_save_initialized_p.
2909 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2911 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2914 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2915 and soft-fp/t-softfp to tmake_file.
2916 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2917 (LIBGCC2_TF_CEXT): Define.
2920 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2923 * cselib.c (n_useless_values): Document handling of debug locs.
2924 (n_useless_debug_values, n_debug_values): New variables.
2925 (new_elt_loc_list): Don't add to debug values, keep count.
2926 (promote_debug_loc): New.
2927 (cselib_reset_table): Zero new variables.
2928 (entry_and_rtx_equal_p): Promote debug locs.
2929 (discard_useless_locs): Increment n_useless_debug_values for
2931 (remove_useless_values): Adjust n_useless_values and n_debug_values
2932 with n_useless_debug_values.
2933 (add_mem_for_addr): Promote debug locs.
2934 (cselib_lookup_mem): Likewise.
2935 (cselib_lookup_addr): Renamed to...
2936 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2937 (cselib_log_lookup): ... this. Turn into...
2938 (cselib_lookup_addr): ... new wrapper.
2939 (cselib_lookup_from_insn): New.
2940 (cselib_invalidate_regno): Increment n_useless_debug_values for
2942 (cselib_invalidate_mem): Likewise.
2943 (cselib_process_insn): Take n_deleted and n_debug_values into
2944 account to guard remove_useless_value call.
2945 (cselib_finish): Zero n_useless_debug_values.
2946 * cselib.h (cselib_lookup_from_insn): Declare.
2947 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2948 (sched_analyze_2): Likewise.
2950 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2952 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2954 (adjust_mems): Replace narrowing SUBREG of expression containing
2955 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2956 with operations in the narrower mode.
2959 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2960 regs_invalidated_by_call instead all call_used_reg_set registers.
2962 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2965 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2966 pointer comparisons with types_compatible_p.
2967 * tree-vect-stmts.c (vectorizable_call): Same.
2968 (vectorizable_condition): Same.
2970 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2972 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2973 stack check if the mask would be zero.
2975 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2976 Jack Howarth <howarth@bromo.med.uc.edu>
2978 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2981 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2984 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2986 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2987 Include ___unordxf2 and ___unordtf2.
2988 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2991 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2993 * config/lm32/t-lm32: New file.
2994 * config.gcc: Use the above file when targetting lm32.
2996 2010-03-28 Duncan Sands <baldrick@free.fr>
2998 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3000 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3003 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3004 Improve vectorization cost model diagnostic.
3006 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3009 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3010 compute_data_dependences_for_loop returns false, early exit
3011 and output an extra diagnostic for the failed data reference
3014 2010-03-29 Richard Guenther <rguenther@suse.de>
3016 PR tree-optimization/43560
3017 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3018 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3020 2010-03-29 Jie Zhang <jie@codesourcery.com>
3023 * toplev.c (process_options): Set optimization_default_node
3024 and optimization_current_node.
3025 * opts.c (decode_options): Don't set optimization_default_node
3026 and optimization_current_node.
3028 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3030 * config/rtems.h: Abandon -qrtems_debug.
3032 2010-03-28 Jan Hubicka <jh@suse.cz>
3034 PR tree-optimization/43505
3035 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3036 map should not be copied.
3038 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3041 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3042 cdtors, set DECL_PRESERVE_P.
3043 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3046 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3048 PR tree-optimization/43528
3049 * stor-layout.c (place_field): Check that constant fits into
3050 unsigned HWI when skipping calculation of MS bitfield layout.
3052 2010-03-27 Jan Hubicka <jh@suse.cz>
3055 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3056 notice_global_symbol work.
3058 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3060 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3061 instead of dwarf2out_decl.
3062 (struct var_loc_node): Remove section_label field.
3063 (dwarf2out_function_decl): New function.
3064 (dwarf2out_var_location): Don't set section_label field.
3065 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3067 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3069 PR tree-optimization/43544
3070 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3071 First argument for builtin vectorized function hook is now a
3072 tree to be able to distinguish between machine specific and
3074 * targhooks.c (default_builtin_vectorized_function): Ditto.
3075 * targhooks.h (default_builtin_vectorized_function): Ditto.
3076 * target.h (struct gcc_target): Ditto.
3077 * tree-vect-stmts.c (vectorizable_function): Ditto.
3078 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3079 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3082 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3085 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3086 nested binding iff it is a FUNCTION_DECL.
3087 (store_parm_decls_newstyle): Pass nested=true to bind for
3088 FUNCTION_DECLs amongst parameters.
3090 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3092 * var-tracking.c (vt_expand_loc_callback): Don't run
3093 cselib_expand_value_rtx_cb in dummy mode if
3094 cselib_dummy_expand_value_rtx_cb returned false.
3096 * var-tracking.c (emit_note_insn_var_location): For one part
3097 notes with offset 0, don't add EXPR_LIST around the location.
3098 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3099 add_location_or_const_value_attribute): Adjust for that change.
3102 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3103 into first operand and location into second.
3104 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3105 dw_cfi_oprnd_loc for DW_CFA_expression.
3106 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3107 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3108 assume first argument is regnum and second argument is location.
3110 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3113 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3114 of scratch register to DImode. Split to DImode comparison operator.
3115 Use SImode subreg of scratch register in the multiplication.
3116 (*cmp_sadd_sidi): Ditto.
3117 (*cmp_ssub_si): Ditto.
3118 (*cmp_ssub_sidi): Ditto.
3120 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3123 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3124 Remove invalid assert and wrong comment.
3126 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3129 * flags.h (final_insns_dump_p): New extern.
3130 * final.c (final_insns_dump_p): New variable.
3131 (rest_of_clean_state): Set it before -fdump-final-insns=
3132 dumping, clear afterwards.
3133 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3134 MEM_ALIAS_SET on MEMs.
3136 2010-03-26 David S. Miller <davem@davemloft.net>
3138 * configure.ac: Fix sparc GOTDATA_OP bug check.
3139 * configure: Rebuild.
3141 2010-03-26 Alan Modra <amodra@gmail.com>
3143 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3145 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3147 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3148 TLS_SECTION_ASM_FLAG.
3150 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3153 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3154 Clear first_function_block_is_cold.
3157 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3158 argument if the argument is truth_value_p.
3160 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3162 * config/rs6000/constraints.md: Update copyright year for my changes.
3165 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3166 used in reg+reg addressing, swap registers.
3168 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3171 * target.h (struct gcc_target): Add code_end hook.
3172 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3174 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3175 * toplev.c (compile_file): Call targetm.asm_out.code_end
3176 hook before unwind info/debug info output.
3177 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3178 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3179 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3180 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3181 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3182 * config/i386/i386.c (ix86_file_end): Renamed to...
3183 (ix86_code_end): ... this. Make static. Don't call
3184 file_end_indicate_exec_stack. Emit unwind info using
3185 final_start_function/final_end_function.
3186 (darwin_x86_file_end): Remove.
3187 (TARGET_ASM_CODE_END): Define.
3188 * config/i386/i386.h (TARGET_ASM_FILE_END,
3189 NEED_INDICATE_EXEC_STACK): Don't define.
3190 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3191 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3192 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3193 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3196 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3197 at the beginning and final_end_function at the end.
3198 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3200 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3202 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3203 and Sun as TLS syntax.
3204 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3205 * configure: Regenerate.
3206 * config.in: Regenerate.
3207 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3208 (default_elf_asm_named_section): Use it.
3209 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3210 (i386_output_dwarf_dtprel): Likewise.
3211 (output_addr_const_extra): Likewise.
3212 (output_pic_addr_const): Lowercase @GOTTPOFF.
3213 (output_addr_const_extra): Likewise.
3214 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3215 (output_addr_const_extra): Likewise.
3216 (output_pic_addr_const): Lowercase @INDNTPOFF.
3217 (output_addr_const_extra): Likewise.
3218 (output_pic_addr_const): Lowercase @NTPOFF.
3219 (output_addr_const_extra): Likewise.
3220 (output_pic_addr_const): Lowercase @TPOFF.
3221 (output_addr_const_extra): Likewise.
3222 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3223 (*tls_global_dynamic_64): Likewise.
3224 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3225 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3227 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3228 (ASM_OUTPUT_TLS_COMMON): Use it.
3229 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3232 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3233 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3234 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3235 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3236 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3237 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3239 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3241 * config/i386/i386.c (override_options): Don't accept
3242 -mtls-dialect=sun any longer.
3243 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3244 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3245 (*tls_local_dynamic_base_32_sun): Likewise.
3246 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3248 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3251 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3252 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3255 * ira.c (adjust_cleared_regs): New function.
3256 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3260 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3262 * expr.c (expand_expr_real): Restore previous
3263 curr_insn_source_location and curr_insn_block after
3264 expand_expr_real_1 call.
3265 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3266 instead of expand_expr_real_1.
3268 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3270 PR rtl-optimization/43413
3271 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3274 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3277 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3278 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3280 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3282 * config/i386/i386.c (ix86_target_string): Add -mfma.
3283 Fix a typo in comment.
3285 2010-03-22 Mike Stump <mikestump@comcast.net>
3288 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3289 Don't overly align based upon packed packed fields.
3291 2010-03-22 Jason Merrill <jason@redhat.com>
3293 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3294 Use () rather than [], and move before the element type.
3296 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3298 * doc/configfiles.texi (Configuration Files): Removed
3299 fixinc/Makefile*, intl/Makefile.*.
3300 * doc/makefile.texi: Fixed markup. Abstract from version
3301 control system used.
3302 (Makefile): Removed obsolete gcc/java/parse.y example.
3303 * doc/sourcebuild.texi: Likewise.
3304 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3305 libgomp, libssp. Removed fastjar.
3306 (Miscellaneous Docs): Clarify location.
3307 Added COPYING3, COPYING3.LIB.
3308 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3310 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3313 * config/i386/i386.c (x86_function_profiler)
3314 [!NO_PROFILE_COUNTERS]: Fix typo.
3315 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3318 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3319 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3321 * doc/sourcebuild.texi (Test Directives): Split into six
3322 subsections, with most of the current text in new subsections
3323 Directives, Selectors, and Final Actions.
3324 (Directives): Split list of test directives into multiple
3326 (Selectors): Describe use and syntax of selectors.
3327 (Effective-Target Keywords): Describe all existing keywords.
3328 (Add Options): Describe features for dg-add-options.
3329 (Require Support): Describe variants of dg-require-support.
3330 (Final Actions): Describe commands to use in dg-final.
3332 2010-03-22 Michael Matz <matz@suse.de>
3335 * recog.c (validate_replace_rtx_group): Replace also in
3336 REG_EQUAL and REG_EQUIV notes.
3338 2010-03-22 Richard Guenther <rguenther@suse.de>
3340 PR tree-optimization/43390
3341 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3342 sure vector extracts are type correct.
3344 2010-03-22 Richard Guenther <rguenther@suse.de>
3347 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3348 x * sqrt (x) even when optimizing for size if the target
3349 has native support for sqrt.
3351 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3353 * varasm.c (make_decl_rtl_for_debug): Also clear
3354 flag_mudflap for the duration of make_decl_rtl call.
3357 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3358 locs from preserved VALUEs.
3360 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3363 * pa.md (movmemsi): Set align to one if zero.
3364 (movmemdi): Likewise.
3366 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3369 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3370 with their corresponding prologue pushes.
3372 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3375 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3376 at the begining or end.
3377 (spu_expand_epilogue): Likewise.
3379 2010-03-20 Richard Guenther <rguenther@suse.de>
3381 PR rtl-optimization/43438
3382 * combine.c (make_extraction): Properly zero-/sign-extend an
3383 extraction of the low part of a CONST_INT. Also handle
3386 2010-03-19 Mike Stump <mikestump@comcast.net>
3388 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3389 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3390 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3392 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3395 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3398 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3400 PR rtl-optimization/42258
3401 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3402 use that may match DEF.
3405 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3406 the cost of loading the constant rather than assuming
3408 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3409 outer code is AND, do the same tests as the andsi3 expander and
3410 return COSTS_N_INSNS (1) if and is cheap.
3412 * optabs.c (avoid_expensive_constant): Fix formatting.
3414 2010-03-19 Michael Matz <matz@suse.de>
3417 * attribs.c (decl_attributes): When rebuilding a function pointer
3418 type use the same qualifiers as the original pointer type.
3420 2010-03-19 Martin Jambor <mjambor@suse.cz>
3422 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3423 and is_gimple_ip_invariant_address.
3425 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3428 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3430 * config/arm/arm.c (arm_override_options): Turn off
3431 flag_dwarf2_cfi_asm for AAPCS variants.
3433 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3436 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3437 Use PRE_MODIFY instead of PRE_DEC.
3438 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3439 (vfp_emit_fstmd): Likewise.
3441 2010-03-19 Michael Matz <matz@suse.de>
3444 * builtins.c (expand_builtin_interclass_mathfn,
3445 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3448 2010-03-19 Richard Guenther <rguenther@suse.de>
3450 PR tree-optimization/43415
3451 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3452 (phi_translate_1): ... this.
3453 (phi_translate): Move all caching here. Cache all NARY
3454 and REFERENCE translations.
3456 2010-03-19 David S. Miller <davem@davemloft.net>
3458 With help from Eric Botcazou.
3459 * config/sparc/sparc.c: Include dwarf2out.h.
3460 (emit_pic_helper): Delete.
3461 (pic_helper_symbol_name): Delete.
3462 (pic_helper_emitted_p): Delete.
3463 (pic_helper_needed): New.
3464 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3465 (get_pc_thunk_name): New.
3466 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3467 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3468 Set pic_helper_needed to true. Don't call emit_pic_helper.
3469 (sparc_expand_prologue): Update load_pic_register call.
3470 (sparc_output_mi_thunk): Likewise.
3471 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3472 thunk if possible. Output CFI information as needed.
3474 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3475 Jack Howarth <howarth@bromo.med.uc.edu>
3478 * config/i386/i386.h: Fix ABI on darwin x86-32.
3480 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3482 * tree.h: Declare make_decl_rtl_for_debug.
3483 * varasm.c (make_decl_rtl_for_debug): New.
3484 * dwarf2out.c (rtl_for_decl_location): Call it.
3485 * cfgexpand.c (expand_debug_expr): Call it.
3487 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3490 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3494 * var-tracking.c (vt_init_cfa_base): Do nothing if
3495 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3497 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3500 * var-tracking.c (canonicalize_vars_star): New.
3501 (dataflow_post_merge_adjust): Use it.
3503 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3506 * var-tracking.c (non_suitable_const): New function.
3507 (add_uses): For DEBUG_INSNs with constants, don't record any
3508 value, instead just the constant value itself.
3509 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3510 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3511 (emit_notes_in_bb): Likewise.
3512 (emit_note_insn_var_location): For onepart variables if
3513 cur_loc is a VOIDmode constant, use DECL_MODE.
3515 2010-03-18 Martin Jambor <mjambor@suse.cz>
3518 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3519 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3520 all non-clones. Moved call redirection...
3521 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3522 (cgraph_materialize_all_clones): Dispose of all
3523 combined_args_to_skip bitmaps.
3524 (verify_cgraph_node): Do not check for edges pointing to wrong
3525 nodes in inline clones.
3526 * tree-inline.c (copy_bb): Call
3527 cgraph_redirect_edge_call_stmt_to_callee.
3528 * ipa.c (cgraph_remove_unreachable_nodes): Call
3529 cgraph_node_remove_callees even when there are used clones.
3531 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3533 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3535 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3538 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3541 2010-03-18 Michael Matz <matz@suse.de>
3544 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3545 into sqrt(x) if we need to preserve signed zeros.
3547 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3548 Eric Botcazou <ebotcazou@adacore.com>
3550 PR rtl-optimization/43360
3551 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3552 note if we don't know its invariant status.
3554 2010-03-18 Michael Matz <matz@suse.de>
3556 PR tree-optimization/43402
3557 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3558 PHI chains of ssa names registered for update.
3560 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3563 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3564 non-offsettable and pre_modify update addressing.
3565 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3566 and "2" alternatives "#".
3567 (*movdd_softfloat32): Make all alternatives "#";
3568 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3569 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3570 (*movdf_softfloat32): Make all alternatives "#";
3571 (movdi): Use the new DIFD mode iterator to create a common splitter
3572 for movdi, movdf and movdd patterns.
3574 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3576 * common.opt (dumpdir): Remove redundant tab.
3578 2010-03-17 Martin Jambor <mjambor@suse.cz>
3580 PR tree-optimization/43347
3581 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3582 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3584 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3586 PR rtl-optimization/42216
3587 * regrename.c (create_new_chain): New function, broken out from...
3588 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3589 appending a use to an empty chain.
3590 (build_def_use): Remove previous changes that convert OP_INOUT to
3591 OP_OUT operands; instead detect the case where an OP_INOUT operand
3592 uses a previously untracked register and create an empty chain for it.
3594 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3596 * doc/extend.texi (Function Attributes): Rewrite unfinished
3597 sentence in ms_abi documentation.
3599 2010-03-17 Alan Modra <amodra@gmail.com>
3601 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3602 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3603 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3604 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3606 2010-03-16 Richard Henderson <rth@redhat.com>
3609 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3610 (lower_try_finally): Save and restore eh_seq around the expansion
3613 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3615 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3616 statements before splitting block.
3618 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3620 * doc/sourcebuild.texi (Testsuites): Fix markup.
3621 Use pathnames relative to gcc/testsuite.
3622 (Test Directives): Move description of how timeout is determined.
3623 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3624 (C Tests): Correct gcc.misc-tests directory.
3625 Framework tests now live in gcc.test-framework.
3627 2010-03-16 Richard Guenther <rguenther@suse.de>
3630 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3631 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3633 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3634 Alexandre Oliva <aoliva@redhat.com>
3636 PR tree-optimization/42917
3637 * lambda-code.c (remove_iv): Skip debug statements.
3638 (lambda_loopnest_to_gcc_loopnest): Likewise.
3639 (not_interesting_stmt): Debug statements are not interesting.
3641 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3645 * cselib.c (cselib_preserve_constants,
3646 cfa_base_preserved_val): New static variables.
3647 (preserve_only_constants): New function.
3648 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3649 clear its REG_VALUES. If cselib_preserve_constants, don't
3650 empty the whole hash table, but preserve there VALUEs with constants,
3651 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3652 (cselib_preserve_cfa_base_value): New function.
3653 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3654 (cselib_init): Change argument to int bitfield. Set
3655 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3657 (cselib_finish): Clear cselib_preserve_constants and
3658 cfa_base_preserved_val.
3659 * cselib.h (enum cselib_record_what): New enum.
3660 (cselib_init): Change argument to int.
3661 (cselib_preserve_cfa_base_value): New prototype.
3662 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3663 * dse.c (dse_step1): Likewise.
3664 * cfgcleanup.c (thread_jump): Likewise.
3665 * sched-deps.c (sched_analyze): Likewise.
3666 * gcse.c (local_cprop_pass): Likewise.
3667 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3668 If FN is non-NULL, call the callback always and whenever it returns
3669 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3670 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3671 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3672 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3673 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3674 * var-tracking.c: Include recog.h.
3675 (bb_stack_adjust_offset): Remove.
3676 (vt_stack_adjustments): Don't call it, instead just gather the
3677 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3678 (adjust_stack_reference): Remove.
3679 (compute_cfa_pointer): New function.
3680 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3681 (struct adjust_mem_data): New type.
3682 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3684 (get_address_mode): New function.
3685 (replace_expr_with_values): Use it.
3686 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3687 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3688 (adjust_sets): Remove.
3689 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3690 Use get_address_mode.
3691 (get_adjusted_src): Remove.
3692 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3693 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3694 (add_with_sets): Don't call adjust_sets.
3695 (fp_setter, vt_init_cfa_base): New functions.
3696 (vt_initialize): Change return type to bool. Move most of pool etc.
3697 initialization to the beginning of the function from end. Pass
3698 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3699 If !frame_pointer_needed, call vt_stack_adjustment before mos
3700 vector is filled, call vt_init_cfa_base if argp/framep has been
3701 eliminated to sp. If frame_pointer_needed and argp/framep has
3702 been eliminated to hard frame pointer, set
3703 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3704 encountering fp setter in the prologue. For MO_ADJUST, call
3705 log_op_type before pusing the op into mos vector, not afterwards.
3706 Call adjust_insn before cselib_process_insn/add_with_sets,
3707 call cancel_changes (0) afterwards.
3708 (variable_tracking_main_1): Adjust for vt_initialize calling
3709 vt_stack_adjustments and returning whether it succeeded or not.
3711 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3713 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3716 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3718 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3720 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3721 drap_reg has not been set.
3723 2010-03-15 Michael Matz <matz@suse.de>
3726 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3727 use it to expand block copies.
3728 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3729 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3730 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3732 2010-03-15 Richard Guenther <rguenther@suse.de>
3734 PR tree-optimization/43367
3735 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3738 2010-03-15 Richard Guenther <rguenther@suse.de>
3740 PR tree-optimization/43317
3741 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3743 2010-03-15 Martin Jambor <mjambor@suse.cz>
3745 PR tree-optimization/43141
3746 * tree-sra.c (create_abstract_origin): New function.
3747 (modify_function): Call create_abstract_origin.
3749 2010-03-15 Chris Demetriou <cgd@google.com>
3751 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3754 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3757 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3758 call insert_out_of_ssa_copy for default definitions.
3760 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3762 * graphite-clast-to-gimple.c (my_long_long): Defined.
3763 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3764 * graphite-sese-to-poly.c (my_long_long): Defined.
3765 (scop_ivs_can_be_represented): Use it.
3767 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3769 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3770 graphite-max-bbs-per-function, and loop-block-tile-size.
3771 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3773 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3775 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3777 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3778 forward declaration.
3779 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3780 (add_upper_bounds_from_estimated_nit): New.
3781 (build_loop_iteration_domains): Use it.
3783 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3785 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3787 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3790 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3791 should be an INTEGER_CST. Also handle CASE_CONVERT.
3793 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3795 * graphite.c (graphite_initialize): To bound the number of bbs per
3796 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3797 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3798 * doc/invoke.texi: Document it.
3800 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3802 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3803 * graphite-sese-to-poly.h (build_poly_scop): Same.
3805 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3807 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3808 the number of parameters in the scop. Use as an upper bound
3809 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3810 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3811 * doc/invoke.texi: Document it.
3813 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3815 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3816 * doc/c-tree.texi: Remove.
3817 * doc/generic.texi: Merge c-tree.texi here.
3818 * doc/gccint.texi (Trees): Remove menu entry.
3819 (c-tree.texi): Remove @include.
3820 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3821 * doc/languages.texi (Reading RTL): Ditto.
3823 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3826 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3828 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3831 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3832 code added to work around reload clobbering CONST insns.
3834 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3836 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3837 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3838 (cselib_preserve_only_values): Remove retain argument, don't
3839 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3840 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3841 * var-tracking.c (micro_operation): Move insn field before union.
3842 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3843 (struct variable_tracking_info_def): Remove n_mos field, change
3844 mos into a vector of micro_operations.
3845 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3846 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3847 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3848 changing into a vector.
3849 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3850 come before all other uops generated by add_stores.
3851 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3853 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3854 a vector. Run just one pass over the bbs instead of separate counting
3855 and computation phase.
3856 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3859 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3860 into *nonlocalized_list vector.
3861 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3862 even if origin is non-NULL.
3863 (gen_variable_die): Likewise.
3864 (process_scope_var): Don't change origin.
3865 (gen_decl_die): Likewise.
3866 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3867 before adding new edges instead of after it, fix moving over
3870 2010-03-11 David S. Miller <davem@davemloft.net>
3872 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3874 * configure: Rebuild.
3876 2010-03-11 Martin Jambor <mjambor@suse.cz>
3878 PR tree-optimization/43257
3879 * tree.c (assign_assembler_name_if_neeeded): New function.
3880 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3882 * tree.h (assign_assembler_name_if_neeeded): Declare.
3883 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3884 the function if needed.
3886 2010-03-11 Chris Demetriou <cgd@google.com>
3888 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3889 include/stdint-gcc.h, and include/stdint.h world-readable.
3891 2010-03-11 Richard Guenther <rguenther@suse.de>
3893 PR tree-optimization/43255
3894 * tree-vrp.c (process_assert_insertions_for): Do not insert
3895 asserts for trivial conditions.
3897 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3899 PR tree-optimization/43280
3900 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3901 generation. Move calculation of size out of the if branch.
3902 (find_bswap): Modify compare number generation.
3904 2010-03-11 Richard Guenther <rguenther@suse.de>
3907 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3908 (input_gimple_stmt): Fixup handled component types during
3909 operand read. Also fix up decls in ADDR_EXPRs.
3911 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3913 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3914 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3916 2010-03-10 Jan Hubicka <jh@suse.cz>
3919 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3920 * varasm.c (get_variable_section): Don't do that here...
3921 (make_decl_rtl): ... and here.
3922 (do_assemble_alias): Produce decl RTL.
3923 (assemble_alias): Likewise.
3925 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3928 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3929 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3931 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3932 (based_loc_descr): Only express drap or vdrap regno based expressions
3933 using DW_OP_fbreg when not optimizing.
3934 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3935 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3936 REG_CFA_SET_VDRAP note.
3938 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3940 PR tree-optimization/43236
3941 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3942 error in calculation of base address in reverse iteration case.
3943 (generate_builtin): Take number of latch executions if the statement
3946 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3949 * tree-eh.c: Include pointer-set.h.
3950 (lower_eh_dispatch): Filter out duplicate case labels and
3951 remove the unneeded edge when the label is unused. Return
3952 true when some edges are removed.
3953 (execute_lower_eh_dispatch): When any lowering resulted in
3954 removing an edge, also delete unreachable blocks.
3956 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3959 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3960 UNSPEC_MACHOPIC_OFFSET.
3962 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3965 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3966 (m68k_delegitimize_address): New function.
3968 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3971 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3974 * var-tracking.c (adjust_sets): New function.
3975 (count_with_sets, add_with_sets): Use it.
3976 (get_adjusted_src): New inline function.
3977 (add_stores): Use it.
3980 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3981 call cselib_dummy_expand_value_rtx_cb instead of
3982 cselib_expand_value_rtx_cb.
3985 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3986 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3987 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3988 and .cfi_endproc around the pic thunks.
3989 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3990 all queued unwind info register saves are saved before the call.
3991 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3992 considered as sp-=4 for unwind info and the pop as sp+=4 which
3993 also clobbers dest, but doesn't actually restore it.
3996 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3997 RTX_FRAME_RELATED_P.
3999 2010-03-09 Jie Zhang <jie@codesourcery.com>
4001 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4002 whitespaces in output template.
4004 2010-03-09 Jie Zhang <jie@codesourcery.com>
4006 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4009 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4011 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4012 builtins.exp in a separate job.
4014 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4016 * graphite-sese-to-poly.c (add_param_constraints): Use
4017 lower_bound_in_type and upper_bound_in_type.
4019 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4021 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4022 instead of unsigned_type_node.
4024 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4025 Reza Yazdani <reza.yazdani@amd.com>
4028 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4029 on pointer type parameters.
4031 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4035 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4036 handle conversions from pointer to integers.
4037 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4038 induction variable, to be able to work with code generated by CLooG.
4039 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4040 (build_poly_scop): Bail out if we cannot codegen a loop.
4042 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4044 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4045 code generation with gloog_error.
4047 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4049 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4050 Call fold_convert on all the returned values.
4051 (expand_scalar_variables_expr): Pass to
4052 expand_scalar_variables_ssa_name the type of the resulting expression.
4054 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4056 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4057 ppl_min_for_le_pointset.
4058 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4059 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4061 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4063 * graphite-dependences.c (map_into_dep_poly): Removed.
4064 (dependence_polyhedron_1): Use combine_context_id_scat.
4066 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4068 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4069 (struct poly_bb): Same.
4070 (combine_context_id_scat): New.
4072 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4075 * sese.c (name_defined_in_loop_p): Return false for default
4078 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4080 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4081 and clean up the logic.
4083 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4085 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4088 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4090 * var-tracking.c (remove_cselib_value_chains): Define only for
4092 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4093 delete_slot_part, emit_notes_for_differences_1): Don't call
4094 remove_cselib_value_chains here.
4095 (set_slot_part, emit_notes_for_differences_2): Don't call
4096 add_cselib_value_chains here.
4097 (preserved_values): New vector.
4098 (preserve_value): New function.
4099 (add_uses, add_stores, vt_add_function_parameters): Use it
4100 instead of cselib_preserve_value.
4101 (changed_values_stack): New vector.
4102 (check_changed_vars_0): New function.
4103 (check_changed_vars_1, check_changed_vars_2): Use it.
4104 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4105 changed_values_stack VALUEs.
4106 (vt_emit_notes): For all preserved_values call
4107 add_cselib_value_chains. If ENABLE_CHECKING call
4108 remove_cselib_value_chains before verifying value_chains is empty.
4109 Initialize and free changed_values_stack.
4110 (vt_initialize): Initialize preserved_values.
4111 (vt_finalize): Free preserved_values.
4113 2010-03-08 Richard Guenther <rguenther@suse.de>
4115 PR tree-optimization/43269
4116 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4119 2010-03-08 Martin Jambor <mjambor@suse.cz>
4121 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4122 (ipa_is_param_called): Removed.
4123 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4124 (ipa_print_node_params): Do not print the called flag.
4125 (ipa_write_node_info): Do not stream the called flag.
4126 (ipa_read_node_info): Likewise.
4128 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4131 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4132 * cselib.c (struct expand_value_data): Add dummy field.
4133 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4135 (cselib_dummy_expand_value_rtx_cb): New function.
4136 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4138 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4139 * var-tracking.c: Include pointer-set.h.
4140 (variable): Change n_var_parts to char from int. Add
4141 cur_loc_changed and in_changed_variables fields.
4142 (variable_canonicalize): Remove.
4143 (shared_var_p): New inline function.
4144 (unshare_variable): Maintain cur_loc_changed and
4145 in_changed_variables fields. If var was in changed_variables,
4146 replace it there with new_var. Just copy cur_loc instead of
4147 resetting it to something else.
4148 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4149 (dataflow_set_union): Don't call variable_canonicalize.
4150 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4151 of their DEBUG_EXPR_TREE_DECLs.
4152 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4153 and in_changed_variables and cur_loc_changed is false.
4154 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4155 and cur_loc_changed. Don't update cur_loc here.
4156 (variable_merge_over_src): Don't call variable_canonicalize.
4157 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4158 removing loc that is equal to cur_loc, clear cur_loc,
4159 set cur_loc_changed and ensure variable_was_changed is called.
4160 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4161 compare pointers in cur_loc check, if it is equal to loc,
4162 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4163 (variable_different_p): Remove compare_current_location argument,
4164 don't compare cur_loc.
4165 (dataflow_set_different_1): Adjust variable_different_p caller.
4166 (variable_was_changed): If dv had some var in changed_variables
4167 already, reset in_changed_variables flag for it and propagate
4168 cur_loc_changed over to the new variable. On empty var
4169 always set cur_loc_changed. Set in_changed_variables on whatever
4170 var is added to changed_variables.
4171 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4172 Use shared_var_p. When removing loc that is equal to cur_loc,
4173 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4174 end, don't set it to something else, just call variable_was_changed.
4175 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4176 loc being removed, clear cur_loc and set cur_loc_changed.
4177 Set cur_loc_changed if all locations have been removed.
4178 (struct expand_loc_callback_data): New type.
4179 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4180 allocated. Always create SUBREGs if simplify_subreg failed.
4181 Prefer to use cur_loc, when that fails and still in
4182 changed_variables (and seen first time) recompute it. Set
4183 cur_loc_changed of variables which had to change cur_loc and
4184 compute elcd->cur_loc_changed if any of the subexpressions used
4185 had to change cur_loc.
4186 (vt_expand_loc): Adjust to pass arguments in
4187 expand_loc_callback_data structure.
4188 (vt_expand_loc_dummy): New function.
4189 (emitted_notes): New variable.
4190 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4191 that weren't used for any other decl in current
4192 emit_notes_for_changes call call vt_expand_loc_dummy to update
4193 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4194 first loc_chain location if NULL before. Always use just
4195 cur_loc instead of first loc_chain location. When cur_loc_changed
4196 is false, when not --enable-checking=rtl just don't emit any note.
4197 When rtl checking, compute the note and assert it is the same
4198 as previous note. Clear cur_loc_changed and in_changed_variables
4199 at the end before removing from changed_variables.
4200 (check_changed_vars_3): New function.
4201 (emit_notes_for_changes): Traverse changed_vars to call
4202 check_changed_vars_3 on each changed var.
4203 (emit_notes_for_differences_1): Clear cur_loc_changed and
4204 in_changed_variables. Recompute cur_loc of new_var.
4205 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4206 (vt_emit_notes): Initialize and destroy emitted_notes.
4208 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4210 PR rtl-optimization/42220
4211 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4212 Use verify_reg_tracked to determine if we should use OP_OUT rather
4214 (build_def_use): If we see an in-out operand for a register that we
4215 know nothing about, treat is an output if possible, fail the block if
4218 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4221 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4224 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4227 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4228 uses of relevant DEFs that are dead outside the loop too.
4230 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4232 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4234 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4236 * var-tracking.c (values_to_unmark): New variable.
4237 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4238 values_to_unmark vector. Moved body to...
4239 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4240 instead queue it into values_to_unmark vector.
4241 (vt_find_locations): Free values_to_unmark vector.
4243 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4245 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4246 (site.exp): Export them when plugins are enabled.
4248 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4251 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4253 (chrec_fold_multiply): Same.
4255 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4258 * c-decl.c (build_compound_literal): Return early if init is
4261 2010-03-04 Martin Jambor <mjambor@suse.cz>
4263 PR tree-optimization/43164
4264 PR tree-optimization/43191
4265 * tree-sra.c (type_consists_of_records_p): Reject records with
4266 zero-size bit-fields at the end.
4268 2010-03-04 Mike Stump <mikestump@comcast.net>
4270 * Makefile.in (TAGS): Remove *.y.
4272 2010-03-04 Richard Guenther <rguenther@suse.de>
4274 PR tree-optimization/40761
4275 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4277 (my_rev_post_order_compute): New function.
4278 (init_pre): Call it.
4280 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4283 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4284 decrease the cost of an IV candidate when the cost is infinite.
4286 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4288 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4289 Use '3DNow!' for the extension of that name, ensure normal space
4291 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4293 2010-03-03 Jeff Law <law@redhat.com>
4295 * PR middle-end/32693
4296 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4297 than gen_rtx_SUBREG.
4298 (extract_bit_field_1): Likewise.
4300 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4302 * doc/sourcebuild.texi (Test directives): Document that arguments
4303 include-opts and exclude-opts are now optional for dg-skip-if,
4304 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4306 2010-03-03 Jason Merrill <jason@redhat.com>
4309 * cgraph.h (varpool_node): Add extra_name field.
4310 * varpool.c (varpool_extra_name_alias): New.
4311 (varpool_assemble_decl): Emit extra name aliases.
4312 (varpool_mark_needed_node): Look past an extra name alias.
4313 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4314 * lto-streamer-in.c (lto_input_tree): Read it.
4315 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4317 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4319 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4320 (sparc*-*-solaris2*): ...this.
4322 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4325 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4326 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4327 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4328 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4331 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4332 fallthrough to default handling, just with want_address 0 instead of 2.
4333 For single element lists, add_AT_loc directly, otherwise create an
4334 artificial variable DIE and stick location list to it.
4337 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4338 (VAL_EXPR_HAS_REVERSE): Define.
4339 (reverse_op): New function.
4340 (add_stores): For reversible operations add an extra MO_VAL_USE.
4342 2010-03-02 Jason Merrill <jason@redhat.com>
4344 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4346 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4348 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4349 (sparc64-*-linux*): Likewise.
4350 (sparc64-*-solaris2*): Include assembler files before linker ones.
4351 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4352 * config/sparc/gas.h: Delete.
4353 * config/sparc/sol2-64.h: Add copyright notice.
4354 * config/sparc/sol2-gas-bi.h: Likewise.
4355 * config/sparc/sol2-gld.h: Likewise.
4356 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4357 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4358 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4359 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4360 (sparc_elf_asm_named_section): Rename into...
4361 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4363 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4365 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4367 2010-03-02 Jeff Law <law@redhat.com>
4370 * reload1.c (rtx_p, substitute_stack): Declare.
4371 (substitute): Record addresses of changed rtxs.
4372 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4373 Restore the original rtx when complete.
4374 (reload): Free subsitute_stack when complete.
4376 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4378 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4379 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4381 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4382 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4383 Torture Tests): Change from subsection to section.
4385 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4386 Steven Bosscher <steven@gcc.gnu.org>
4388 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4391 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4394 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4395 the assignment from the new induction variable to the assignment
4396 of the value from the original loop PHI function.
4398 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4399 Daniel Jacobowitz <dan@codesourcery.com>
4401 * doc/sourcebuild.texi (Test directives): Clarify options to
4404 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4406 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4407 Disable cfi directives unless GCC and gas agree on using read-only
4408 .eh_frame sections for 64-bit.
4409 * configure: Regenerate.
4411 2010-03-01 Richard Guenther <rguenther@suse.de>
4413 PR tree-optimization/43220
4414 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4415 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4417 2010-03-01 Richard Guenther <rguenther@suse.de>
4418 Martin Jambor <mjambor@suse.cz>
4421 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4422 gimplified parameters.
4424 2010-03-01 Christian Bruel <christian.bruel@st.com>
4426 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4428 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4430 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4432 2010-03-01 Richard Guenther <rguenther@suse.de>
4435 * expr.c (expand_assignment): Use the alias-oracle to tell
4436 if the rhs aliases the result decl.
4438 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4441 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4442 to sol_gt_pch_get_address.
4443 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4444 64-bit, SPARC and x86.
4445 (sol_gt_pch_get_address): New function.
4447 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4449 * toplev.h (inform_n, error_n): Declare.
4450 * diagnostic.c (inform_n, error_n): New function.
4452 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4454 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4455 has no rtl yet when processing local_decls, queue it and recheck
4456 if deferred stack allocation hasn't assigned it rtl.
4458 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4460 * config/sh/sh.c (unspec_bbr_uid): New.
4461 (gen_block_redirect): Use it instead of INSN_UID.
4462 (gen_far_branch): Likewise.
4464 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4466 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4467 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4469 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4471 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4472 (Warning Options): -Wno-conversion-null is valid for
4473 Objective-C++ as well.
4474 * doc/tm.texi (Named Address Spaces): Likewise.
4475 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4476 * doc/tree-ssa.texi (Tree SSA): Likewise.
4478 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4481 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4482 by default. Don't set the default arch for
4483 i[34567]86-*-darwin*|x86_64-*-darwin*.
4485 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4488 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4489 default. Set the default 32bit/64bit archs with $with_arch
4490 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4492 2010-02-27 Richard Guenther <rguenther@suse.de>
4494 PR tree-optimization/43186
4495 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4496 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4497 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4498 unroller iterations.
4500 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4502 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4503 required and i[34567]86-*-* targets don't support 64bit ISA.
4505 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4508 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4511 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4513 * config.gcc: Set the default arch at least to Prescott for
4514 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4515 if SSE math is enabled.
4517 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4519 * diagnostic.c (diagnostic_initialize): Update.
4520 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4522 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4523 (diagnostic_inhibit_notes): New.
4524 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4526 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4529 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4530 * doc/standards.texi: Likewise.
4531 * doc/extend.texi: Likewise.
4532 * doc/trouble.texi: Likewise.
4533 * doc/cppopts.texi: Likewise.
4534 * doc/install.texi: Likewise.
4535 * c.opt (std=c90,std=gnu90): New options.
4536 * c-opts.c (c_common_handle_option): Handle them.
4538 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4541 * c-decl.c (undeclared_variable): Use an informative note.
4543 2010-02-26 Richard Guenther <rguenther@suse.de>
4545 PR tree-optimization/43186
4546 * gimple.h (gimple_fold): Remove.
4547 * gimple.c (gimple_fold): Remove. Inline into single user ...
4548 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4549 Try harder for conditions.
4551 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4554 * function.c (used_types_insert): Don't skip through named pointer
4555 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4556 and it is different from the main variant's type.
4558 2010-02-26 Nick Clifton <nickc@redhat.com>
4560 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4562 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4564 * config.gcc: Support --with-fpmath=sse for x86.
4566 * config/i386/ssemath.h: New.
4568 * doc/install.texi (--with-fpmath=sse): Documented.
4570 2010-02-26 Richard Guenther <rguenther@suse.de>
4572 PR tree-optimization/43188
4573 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4574 vector types of over-aligned element type.
4576 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4579 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4580 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4582 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4584 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4586 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4588 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4589 * var-tracking.c: Include diagnostic.h.
4590 (debug_dv): New function.
4591 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4594 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4595 (add_value_chain, add_value_chains, remove_value_chain,
4596 remove_value_chains): Handle DEBUG_EXPRs.
4597 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4600 * regcprop.c (struct queued_debug_insn_change): New type.
4601 (struct value_data_entry): Add debug_insn_changes field.
4602 (struct value_data): Add n_debug_insn_changes field.
4603 (debug_insn_changes_pool): New variable.
4604 (free_debug_insn_changes, apply_debug_insn_changes,
4605 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4606 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4607 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4609 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4611 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4612 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4613 changes, call cprop_find_used_regs via note_stores.
4614 (copyprop_hardreg_forward): When copying vd from predecessor
4615 which has any queued DEBUG_INSN changes, make sure the pointers are
4616 cleared. At the end call df_analyze and then if there are any
4617 DEBUG_INSN changes queued at the end of some basic block for still
4618 live registers, apply them.
4619 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4621 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4623 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4626 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4628 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4629 targets. Set the default with_cpu/with_arch from arch/cpu.
4630 Allow x86-64 and native for with_cpu/with_arch.
4632 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4634 * ebitmap.c: Change calls to verify_popcount with calls to
4635 sbitmap_verify_popcount.
4636 (ebitmap_clear_bit): Fixed map->cacheindex test and
4637 map>cache update when bit clearing results in an empty
4640 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4643 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4644 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4645 and support both V2DF and V2DI modes.
4646 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4647 support both V2DF and V2DI modes.
4648 (general): Delete trailing whitespace from a few patterns.
4650 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4651 V2DF/V2DI interleave high/low builtins.
4653 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4656 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4657 interleave high/low functions.
4659 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4661 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4662 #pragma extern_prefix.
4664 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4667 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4668 BLKmode, assert op0 is a MEM and just adjust its mode.
4671 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4672 if bitpos isn't multiple of mode's bitsize.
4674 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4676 * c.opt (-ftemplate-depth=): New.
4677 (-ftemplate-depth-): Deprecate.
4678 * optc-gen.awk: Handle -ftemplate-depth=.
4679 * opth-gen.awk: Likewise.
4680 * c-opts.c (c_common_handle_option): Likewise.
4681 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4683 2010-02-24 Jason Merrill <jason@redhat.com>
4685 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4687 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4689 * cfg.c (alloc_aux_for_block): Remove inline.
4690 (alloc_aux_for_edge): Likewise.
4692 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4694 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4696 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4698 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4699 * config/i386/sol2-gas.h: New file.
4700 * config.gcc (i[34567]86-*-solaris2*): Use it.
4702 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4705 * c-typeck.c (ep_convert_and_check): New.
4706 (build_conditional_expr): Use it.
4707 (build_binary_op): Likewise.
4709 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4711 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4714 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4715 bounds even for -O+.
4716 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4717 expr needs to have DECL_NAME set.
4719 2010-02-24 Nick Clifton <nickc@redhat.com>
4721 * config/mep/mep.c: Include gimple.h.
4722 (mep_function_uses_sp): Delete unused function.
4723 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4724 parameters. Use unsigned integers to count args. Return a
4725 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4727 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4730 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4731 greater or equal to nelt instead of 2 * nelt.
4732 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4735 2010-02-23 Jason Merrill <jason@redhat.com>
4738 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4739 in cfun->local_decls even if they have register types.
4742 * stor-layout.c (place_field): Don't warn about unnecessary
4743 DECL_PACKED if the type is packed.
4745 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4748 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4749 GOTOFF relocs, even when the base reg isn't pic pointer.
4751 2010-02-23 Michael Matz <matz@suse.de>
4754 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4755 (expand_gimple_basic_block): Generate and use debug temps if there
4756 are debug uses left after the last real use of TERed ssa names.
4757 Unlink debug immediate uses when they are expanded.
4759 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4762 * config/i386/i386.c (override_options): Reorganise to provide
4763 better error messages.
4765 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4768 * graphite-scop-detection.c (create_single_exit_edge): Move
4769 the call to find_single_exit_edge to....
4770 (create_sese_edges): ...here. Don't handle multiple edges
4771 exiting the function.
4772 (build_graphite_scops): Don't handle multiple edges
4773 exiting the function.
4775 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4778 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4779 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4781 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4784 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4786 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4789 * c-typeck.c (convert_arguments): Print declaration location.
4790 * c-common.c (validate_nargs): Rename as
4791 builtin_function_validate_nargs.
4792 (check_builtin_function_arguments): Update.
4794 2010-02-22 Richard Guenther <rguenther@suse.de>
4797 * tree-inline.c (declare_return_variable): Use the type of
4798 the call stmt lhs if available.
4800 2010-02-22 Duncan Sands <baldrick@free.fr>
4802 * passes.c (register_pass): Always consider all pass lists when
4803 ref_pass_instance_number is zero.
4805 2010-02-22 Richard Guenther <rguenther@suse.de>
4807 PR tree-optimization/42749
4808 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4809 parameter. Do arithmetic in the original type.
4810 (update_accumulator_with_ops): Likewise.
4811 (adjust_accumulator_values): Adjust.
4813 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4815 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4816 (QI to BLKmode splitter): New splitter.
4818 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4820 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4821 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4823 2010-02-22 Richard Guenther <rguenther@suse.de>
4825 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4827 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4829 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4830 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4831 ($(T)crti.o, $(T)crtn.o): Remove rules.
4833 2010-02-21 Tobias Burnus <burnus@net-b.de>
4836 * doc/invoke.texi (-fassociative-math): Document that this
4837 option is automatically enabled for Fortran.
4839 2010-02-20 David S. Miller <davem@davemloft.net>
4841 * configure.ac: Test if linker and assembler properly support
4842 GOTDATA_OP relocations.
4843 * configure: Rebuild.
4844 * config.in: Likewise.
4845 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4846 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4847 (movsi_high_pic): Likewise.
4848 (movdi_lo_sum_pic): Likewise.
4849 (movdi_high_pic): Likewise.
4850 (movsi_pic_gotdata_op): New pattern.
4851 (movdi_pic_gotdata_op): Likewise.
4852 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4853 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4855 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4858 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4859 attribute to ssemul.
4860 (xop_mulv2div2di3_high): Ditto.
4862 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4865 * c.opt (Wconversion-null): New option.
4866 * doc/invoke.texi (Wconversion-null): Document.
4868 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4870 * common.opt (Wlarger-than-): Add Undocumented.
4872 2010-02-19 Mike Stump <mikestump@comcast.net>
4874 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4876 2010-02-19 Jason Merrill <jason@redhat.com>
4879 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4880 * configure: Likewise.
4882 2010-02-20 Alan Modra <amodra@gmail.com>
4885 * cgraph.h (cgraph_make_decl_local): Declare.
4886 * cgraph.c (cgraph_make_decl_local): New function.
4887 (cgraph_make_node_local): Use it.
4888 * cgraphunit.c (cgraph_function_versioning): Likewise.
4889 * ipa.c (function_and_variable_visibility): Likewise.
4891 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4894 * except.c (sjlj_emit_function_enter): Don't call
4895 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4897 * rtl.h (add_reg_br_prob_note): Remove prototype.
4899 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4902 * c-common.c (conversion_warning): Remove widening conversions
4903 before checking the conversion of integers to reals.
4905 2010-02-19 Mike Stump <mikestump@comcast.net>
4908 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4911 * cgraphunit.c (process_function_and_variable_attributes): Check
4912 DECL_PRESERVE_P instead of looking up attribute "used".
4913 * ipa-pure-const.c (check_decl): Likewise.
4914 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4915 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4916 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4917 instead of attribute "used".
4918 * config/sol2-c.c (solaris_pragma_init): Likewise.
4919 (solaris_pragma_fini): Likewise.
4921 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4923 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4924 Use XCNEW instead of xcalloc.
4925 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4926 XNEW instead of xmalloc.
4927 (get_fields): Use XNEWVEC instead of xmalloc.
4930 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4931 populate vars array.
4932 (create_new_general_access): For debug stmts just reset value.
4933 (get_stmt_accesses): For accesses within debug stmts just record them
4934 using add_access_to_acc_sites instead of preventing the peeling or
4935 counting them as accesses.
4938 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4940 2010-02-19 Richard Guenther <rguenther@suse.de>
4942 PR tree-optimization/42916
4943 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4946 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4948 * configure.ac: Replace all uses of changequote in macro arguments
4949 with proper quoting.
4951 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4954 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4956 2010-02-19 Richard Guenther <rguenther@suse.de>
4958 PR tree-optimization/42944
4959 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4960 test for aliasing with errno.
4962 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4965 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4966 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4967 * dojump.c: Include output.h.
4968 (inv): New inline function.
4969 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4970 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4971 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4972 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4973 argument, pass it down to other calls.
4974 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4975 add REG_BR_PROB note to the conditional jump.
4976 * cfgexpand.c (add_reg_br_prob_note): Removed.
4977 (expand_gimple_cond): Don't call it, add the probability
4978 as last argument to jumpif_1/jumpifnot_1.
4979 * Makefile.in (dojump.o): Depend on output.h.
4980 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4982 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4983 * stmt.c (do_jump_if_equal): Likewise.
4984 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4985 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4986 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4988 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4989 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4990 jumpifnot_1 callers.
4991 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4993 (store_expr): Adjust jumpifnot caller.
4994 (store_constructor): Adjust jumpif caller.
4997 * gimplify.c (gimple_boolify): For __builtin_expect call
4998 gimple_boolify also on its first argument.
5000 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5002 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5004 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5005 * configure: Regenerated.
5007 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5009 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5010 lang_hooks.types_compatible_p instead of comptypes.
5012 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5014 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5015 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5016 if __prefer_thumb__ is defined.
5018 2010-02-18 Martin Jambor <mjambor@suse.cz>
5020 PR tree-optimization/43066
5021 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5022 array with zero-sized element type.
5024 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5026 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5027 rtx, allocate struct var_loc_node here and return it to the
5028 caller, and only if it is actually needed.
5029 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5030 move it earlier and return immediately if it returns NULL.
5032 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5034 * config/sparc/gas.h: New file. Restore
5035 TARGET_ASM_NAMED_SECTION to its ELF default.
5036 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5038 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5039 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5040 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5041 after sparc/sysv4.h.
5043 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5045 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5047 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5049 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5050 patterns from predicated pattern.
5052 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5055 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5056 for insn mnemonic suffix.
5058 2010-02-17 Richard Guenther <rguenther@suse.de>
5060 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5063 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5066 * caller-save.c (save_call_clobbered_regs): If BB ends with
5067 a DEBUG_INSN, move any notes in between last real insn and the last
5068 DEBUG_INSN after the last DEBUG_INSN.
5070 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5072 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5073 Fix return type. Fix argument type. Explain meaning of return value.
5075 2010-02-16 Richard Guenther <rguenther@suse.de>
5077 PR tree-optimization/41043
5078 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5079 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5081 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5083 2010-02-16 Ira Rosen <irar@il.ibm.com>
5085 PR tree-optimization/43074
5086 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5087 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5088 vectorizable cycles in hybrid SLP check.
5089 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5091 2010-02-16 Richard Guenther <rguenther@suse.de>
5093 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5094 (true_dependence): If memrefs_conflict_p computes must-alias
5095 trust it. Move TBAA check after offset-based disambiguation.
5096 (canon_true_dependence): Likewise.
5098 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5100 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5101 * doc/invoke.texi: Document it.
5102 * var-tracking.c: Include toplev.h and params.h.
5103 (vt_find_locations): Return bool indicating success. Compute
5104 hash sizes unconditionally. Check new parameter, report.
5105 (variable_tracking_main_1): Check vt_find_locations results and
5106 retry. Renamed from...
5107 (variable_tracking_main): ... this. New wrapper to preserve
5108 flag_var_tracking_assignments.
5109 * Makefile.in (var-tracking.o): Adjust dependencies.
5111 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5112 Jakub Jelinek <jakub@redhat.com>
5115 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5116 if weak_import attribute is present.
5117 * config/darwin.c (machopic_select_section): Likewise.
5119 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5121 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5122 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5123 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5124 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5126 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
5128 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5131 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5132 Rewrite text to refer to the names.
5134 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5136 * config/i386/i386-builtin-types.def
5137 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5138 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5139 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5140 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5141 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5142 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5143 IX86_BUILTIN_VPERMIL2PS256.
5144 (MULTI_ARG_4_DF2_DI_I): Defined.
5145 (MULTI_ARG_4_DF2_DI_I1): Defined.
5146 (MULTI_ARG_4_SF2_SI_I): Defined.
5147 (MULTI_ARG_4_SF2_SI_I1): Defined.
5148 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5149 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5150 __builtin_ia32_vpermil2ps256.
5151 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5152 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5153 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5154 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5155 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5156 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5157 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5158 CODE_FOR_xop_vpermil2v8sf3.
5159 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5160 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5161 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5162 (_mm256_permute2_pd): New.
5163 (_mm_permute2_ps): New.
5164 (_mm256_permute2_ps): New.
5166 2010-02-15 Nick Clifton <nickc@redhat.com>
5168 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5169 boolean parameters. Use emit_jump_insn when emitting a pop
5170 instruction containing a return insn.
5171 (push): Use 'true' rather than '1' as second parameter to F.
5172 (h8300_expand_prologue): Likewise.
5173 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5174 (h8300_expand_epilogue): Likewise.
5176 2010-02-15 Richard Guenther <rguenther@suse.de>
5179 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5182 2010-02-15 Nick Clifton <nickc@redhat.com>
5184 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5187 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5189 * intl.c (fake_ngettext): New function.
5190 * intl.h (fake_ngettext): Declare.
5191 (ngettext): Define macro.
5192 * collect2.c (notice_translated): New function.
5193 (main): Use notice_translated and ngettext.
5194 * collect2.h (notice_translated): Declare.
5196 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5198 * reorg.c (delete_computation): Comment fixes.
5199 * caller-save.c (setup_save_areas): Idem.
5200 * sel-sched-dump.c (dump_lv_set): Idem.
5203 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5205 * config/s390/s390.c (s390_sched_init): New function.
5206 (TARGET_SCHED_INIT): Target hook defined.
5208 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5209 Jack Howarth <howarth@bromo.med.uc.edu>
5210 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5213 Partial revert of unintended change in fix for PR41605.
5214 * config/darwin.h: Fix typo.
5215 * config/darwin9.h: Same.
5217 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5219 * c-pch.c (pch_init): Clear v.
5221 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5224 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5225 graphite_can_represent_init for MULT_EXPR.
5227 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5231 * graphite-sese-to-poly.c (remove_phi): New.
5232 (translate_scalar_reduction_to_array): Call remove_phi.
5234 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5237 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5238 * graphite-clast-to-gimple.h (gloog): Update declaration.
5239 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5240 * graphite-poly.h (struct poly_bb): Add missing comments.
5241 (struct scop): Add poly_scop_p field.
5243 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5244 * graphite.c (graphite_transform_loops): Build the polyhedral
5245 representation for each scop before code generation.
5246 * sese.c (rename_variables_in_operand): Removed.
5247 (rename_variables_in_expr): Return the renamed expression.
5248 (rename_sese_parameters): New.
5249 * sese.h (rename_sese_parameters): Declared.
5251 2010-02-11 Richard Guenther <rguenther@suse.de>
5253 PR tree-optimization/42998
5254 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5255 POINTER_PLUS_EXPR properly.
5257 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5258 Changpeng Fang <changpeng.fang@amd.com>
5261 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5262 the cost of an IV candidate when the IV is used in a test against zero.
5264 * gcc.dg/tree-ssa/ivopts-3.c: New.
5266 2010-02-11 Richard Guenther <rguenther@suse.de>
5269 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5270 pointer-vs-decl case by swapping refs. Handle some cases
5271 of pointer-vs-decl disambiguations more conservatively.
5272 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5273 to false after expanding.
5275 2010-02-11 Richard Guenther <rguenther@suse.de>
5278 * gcc.c (process_command): Handle LTO file@offset case more
5281 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5283 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5284 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5286 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5288 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5289 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5290 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5291 Optimize eq/ne comparisons when both arguments are known to be
5293 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5294 Don't mask operands unnecessarily if they are known to be already
5297 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5299 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5302 2010-02-10 Richard Guenther <rguenther@suse.de>
5304 PR tree-optimization/43017
5305 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5306 for wrapping signed arithmetic.
5308 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5311 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5312 if no debug info should be emitted for it.
5314 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5316 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5317 note when flag_exceptions is set.
5319 2010-02-10 Duncan Sands <baldrick@free.fr>
5321 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5323 2010-02-10 Richard Guenther <rguenther@suse.de>
5326 * tree.c (get_unwidened): Handle constants.
5327 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5329 2010-02-10 Martin Jambor <mjambor@suse.cz>
5332 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5333 check for variable argument counts independently.
5335 2010-02-10 Christian Bruel <christian.bruel@st.com>
5338 * config/sh/sh.c (find_barrier): Increase length for non delayed
5339 conditional branches.
5341 2010-02-10 Christian Bruel <christian.bruel@st.com>
5343 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5345 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5347 * builtins.c (set_builtin_user_assembler_name): Also handle
5348 ffs if int is smaller than word.
5350 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5353 * ira-conflicts.c (get_dup): Remove.
5354 (process_reg_shuffles): Add new parameter. Use it as an
5355 additional guard for copy generation.
5356 (add_insn_allocno_copies): Rewrite.
5358 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5360 * common.opt (fsched2-use-traces): Preserved for backward
5362 * doc/invoke.texi: Remove the documentation about option
5363 -fsched2-use-traces.
5364 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5365 flag_sched2_use_traces.
5366 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5367 the backward compatibility flag section.
5369 2010-02-09 Richard Guenther <rguenther@suse.de>
5371 PR tree-optimization/43008
5372 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5373 make HEAP variables initialized from global memory if they
5374 are not known builtin functions.
5375 (find_func_aliases): Adjust.
5377 2010-02-09 Richard Guenther <rguenther@suse.de>
5379 PR tree-optimization/43000
5380 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5381 arithmetic manually.
5383 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5385 PR tree-optimization/42931
5386 * tree-loop-linear.c (try_interchange_loops): Don't call
5387 double_int_mul if estimated_loop_iterations failed.
5389 2010-02-08 Martin Jambor <mjambor@suse.cz>
5392 * tree-sra.c (build_accesses_from_assign): Do not mark in
5393 should_scalarize_away_bitmap if stmt has volatile ops.
5394 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5397 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5399 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5401 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5403 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5406 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5409 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5411 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5414 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5415 to unknown_dependence.
5416 (graphite_legal_transform_dr): Handle the unknown_dependence.
5417 (graphite_carried_dependence_level_k): Same.
5419 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5421 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5423 2010-02-07 Richard Guenther <rguenther@suse.de>
5426 * expr.c (get_inner_reference): Always initialize *pbitsize.
5428 2010-02-07 Richard Guenther <rguenther@suse.de>
5431 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5432 new ARRAY_REFs on variable size element or minimal index arrays.
5434 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5435 gimple_fold_indirect_ref.
5437 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5440 * arm.c (arm_override_options): Just return if the user has specified
5441 an invalid fpu name.
5443 2010-02-03 Jason Merrill <jason@redhat.com>
5446 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5447 i386_pe_maybe_record_exported_symbol.
5449 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5452 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5453 (pa_delegitimize_address): New function.
5455 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5457 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5458 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5460 2010-02-05 Richard Guenther <rguenther@suse.de>
5463 * lto-streamer-in.c (get_resolution): Deal with references
5464 to undefined functions.
5466 2010-02-05 Richard Guenther <rguenther@suse.de>
5468 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5469 (fold_const_aggregate_ref): Likewise.
5470 (ccp_fold_stmt): Substitute loads.
5471 (maybe_fold_reference): Verify types before substituting.
5473 (fold_gimple_assign): Unshare properly.
5474 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5476 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5478 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5479 for rs6000_gen_cell_microcode.
5481 2010-02-04 Richard Guenther <rguenther@suse.de>
5483 PR rtl-optimization/42952
5484 * dse.c (const_or_frame_p): Remove MEM handling.
5486 2010-02-04 Nick Clifton <nickc@redhat.com>
5488 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5489 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5490 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5491 (mn10300_asm_output_mi_thunk): New function.
5492 (mn10300_can_output_mu_thunk): New function.
5493 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5494 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5495 (FUNCTION_ARG): Delete incorrect comment.
5497 2010-02-03 Jason Merrill <jason@redhat.com>
5500 * fold-const.c (operand_equal_p): Handle erroneous types.
5502 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5504 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5506 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5508 PR rtl-optimization/42941
5509 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5512 2010-02-03 Jason Merrill <jason@redhat.com>
5515 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5517 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5520 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5521 (cselib_reset_table): Renamed from...
5522 (cselib_reset_table_with_next_value): ... this.
5523 (cselib_get_next_uid): Renamed from...
5524 (cselib_get_next_unknown_value): ... this.
5525 * cselib.c (next_uid): Renamed from...
5526 (next_unknown_value): ... this.
5527 (cselib_clear_table): Adjust.
5528 (cselib_reset_table): Adjust. Renamed from...
5529 (cselib_reset_table_with_next_value): ... this.
5530 (cselib_get_next_uid): Adjust. Renamed from...
5531 (cselib_get_next_unknown_value): ... this.
5532 (get_value_hash): Use hash.
5533 (cselib_hash_rtx): Likewise.
5534 (new_cselib_val): Adjust. Set and dump uid.
5535 (cselib_lookup_mem): Pass next_uid as hash.
5536 (cselib_subst_to_values): Likewise.
5537 (cselib_log_lookup): Dump uid.
5538 (cselib_lookup): Pass next_uid as hash. Adjust.
5539 (cselib_process_insn): Adjust.
5540 (cselib_init): Initialize next_uid.
5541 (cselib_finish): Adjust.
5542 (dump_cselib_table): Likewise.
5543 * dse.c (canon_address): Dump value uid.
5544 * print-rtl.c (print_rtx): Print value uid.
5545 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5547 (dv_uid): New function, sort of renamed from...
5548 (dv_htab_hash): ... this, reimplemented in terms of it and...
5549 (dv_uid2hash): ... this. New.
5550 (variable_htab_eq): Drop excess assertions.
5551 (tie_break_pointers): Removed.
5552 (canon_value_cmp): Compare uids.
5553 (variable_post_merge_New_vals): Print uids.
5554 (vt_add_function_parameters): Adjust.
5555 (vt_initialize): Reset table. Adjust.
5557 2010-02-03 Richard Guenther <rguenther@suse.de>
5559 PR tree-optimization/42944
5560 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5561 (call_may_clobber_ref_p_1): Likewise. Properly handle
5562 malloc and calloc clobbering errno.
5564 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5566 * doc/invoke.texi: Fix name of sched1 dump.
5568 * opts.c (decode_options): Set flag_tree_switch_conversion
5569 only conditionally on optimize >= 2.
5571 * gcse.c: Assorted comment fixes in pass description.
5573 2010-02-03 Anthony Green <green@moxielogic.com>
5575 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5576 nop padding in order to maintain alignment of storage location of
5577 target function address.
5578 (moxie_trampoline_init): Store target function address at newly
5580 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5582 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5584 2010-02-03 Richard Guenther <rguenther@suse.de>
5587 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5589 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5591 * config.gcc: Reenable check for obsolete targets.
5592 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5593 mips-sgi-irix6.[0-4]*.
5595 2010-02-02 Nick Clifton <nickc@redhat.com>
5597 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5598 constant size of 4 as being the same as 0.
5599 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5600 can take values in the range 0..4.
5602 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5605 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5606 as _darwin10_Unwind_FindEnclosingFunction().
5607 * libgcc-libsystem.ver: New.
5609 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5612 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5613 implicitly set registers.
5615 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5617 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5618 (arm_override_options): Allow automatic selection of the thread
5619 pointer register if thumb2.
5620 (legitimize_pic_address): Improve code sequences for Thumb2.
5621 (arm_call_tls_get_addr): Likewise.
5622 (legitimize_tls_address): Likewise.
5623 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5624 (pic_load_addr_32bit): ... this. New named pattern.
5625 * thumb2.md (pic_load_addr_thumb2): Delete.
5626 (pic_load_dot_plus_four): Delete.
5627 (tls_load_dot_plus_four): New named pattern.
5629 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5632 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5633 Document fix for TLS bug.
5635 2010-01-31 Richard Guenther <rguenther@suse.de>
5637 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5638 conservatively correct.
5640 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5644 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5646 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5648 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5650 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5652 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5654 * config.gcc: Adjust order of makefile fragments for mingw targets.
5656 2010-01-31 Richard Guenther <rguenther@suse.de>
5659 * gimplify.c (gimplify_init_constructor): For volatile LHS
5660 initialize a temporary.
5662 2010-01-31 Matthias Klose <doko@ubuntu.com>
5664 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5666 * configure: Regenerate.
5668 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5670 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5671 the same alias set and their sizes different constantness.
5672 (aliasing_component_refs_p): Revert 2009-10-24 change.
5674 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5676 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5679 2010-01-29 Richard Guenther <rguenther@suse.de>
5681 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5682 Assert we successfully updated the call.
5684 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5686 PR rtl-optimization/42889
5687 * df.h (df_set_bb_dirty_nonlr): New prototype.
5688 * df-core.c (df_set_bb_dirty_nonlr): New function.
5689 * df-scan.c (df_insn_rescan): Call it instead of
5690 df_set_bb_dirty for DEBUG_INSNs.
5692 2010-01-29 Richard Guenther <rguenther@suse.de>
5695 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5696 quadratic behavior in most cases.
5698 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5701 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5702 in the call to gen_x86_movsicc_0_m1.
5704 2010-01-28 Richard Guenther <rguenther@suse.de>
5706 PR tree-optimization/42871
5707 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5709 2010-01-28 Richard Guenther <rguenther@suse.de>
5711 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5712 into call arguments.
5714 2010-01-28 Richard Guenther <rguenther@suse.de>
5717 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5718 the forwarder if the destination is an EH landing pad.
5720 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5722 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5723 block list passed to gimple_duplicate_sese_tail.
5724 (parallelize_loops): Avoid parallelization when the function
5726 Avoid parallelization when the preheader is IRREDUCIBLE.
5727 Try to optimize when estimated_loop_iterations_int is unresolved.
5728 Add the loop's location to the dump file.
5729 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5730 (gimple_duplicate_sese_tail): Remove the check for the latch.
5731 Redirect nexits to the exit block.
5732 Remove handling of the incoming edges to the latch.
5733 Redirect the backedge from the copied latch to the exit bb.
5735 2010-01-28 Michael Matz <matz@suse.de>
5738 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5739 Wrap force_reg into a sequence, emit it before user.
5741 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5743 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5745 (arm_legacy_rev): Likewise.
5746 (thumb_legacy_rev): Likewise.
5748 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5750 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5751 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5752 on MEM's address failed, try avoid_constant_pool_reference and
5753 recurse if it returned something different.
5754 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5755 address, try avoid_constant_pool_reference and recurse if it
5756 returned something different.
5757 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5758 address and avoid_constant_pool_reference returned something
5759 different, don't set have_address.
5761 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5764 * var-tracking.c (val_store): Add modified argument, obey it.
5766 (count_uses): Move down logging of main.
5767 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5768 don't need resolution.
5769 (emit_notes_in_bb): Likewise.
5771 2010-01-27 Richard Guenther <rguenther@suse.de>
5774 * tree-inline.c (remap_decl): Delay remapping of SSA name
5775 default definitions until we need them.
5777 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5779 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5780 (rs6000_delegitimize_address): New function.
5782 * config/s390/s390.c (s390_delegitimize_address): Call
5783 delegitimize_mem_from_attrs.
5786 * tree-inline.c (cannot_copy_type_1): Removed.
5787 (copy_forbidden): Don't forbid copying of functions containing
5788 records/unions with variable length fields.
5790 2010-01-27 Christian Bruel <christian.bruel@st.com>
5794 * config/sh/sh.c (find_barrier): Increase length for non delayed
5795 conditional branches.
5797 2010-01-27 Matthias Klose <doko@ubuntu.com>
5799 * configure.ac (gnu-unique-object): Fix ldd version check.
5800 * configure: Regenerate.
5802 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5804 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5806 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5807 Test for HAVE_GNU_AS value.
5809 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5811 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5812 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5813 INT64_TYPE): Define.
5814 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5815 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5816 INT_LEAST64_TYPE): Define.
5817 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5818 UINT_LEAST64_TYPE): Define.
5819 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5820 INT_FAST64_TYPE): Define.
5821 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5822 UINT_FAST64_TYPE): Define.
5823 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5824 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5825 (SIG_ATOMIC_TYPE): Define.
5827 2010-01-26 Richard Guenther <rguenther@suse.de>
5829 * df-scan.c (df_scan_set_bb_info): Remove assert.
5830 (df_insn_rescan_debug_internal): Merge asserts.
5831 (df_install_ref): Likewise.
5832 (df_mark_reg): Use bitmap_set_range.
5833 (df_hard_reg_used_p): Remove assert.
5834 (df_hard_reg_used_count): Likewise.
5836 2010-01-26 Richard Guenther <rguenther@suse.de>
5838 PR rtl-optimization/42685
5839 * web.c (web_main): Ignore DEBUG_INSNs.
5841 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5843 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5845 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5846 Fix types of fndecl and arglist parameters.
5848 2010-01-26 Richard Guenther <rguenther@suse.de>
5851 * tree-eh.c (unsplit_eh): Skip debug insns.
5853 2010-01-26 Richard Guenther <rguenther@suse.de>
5855 PR tree-optimization/42250
5856 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5858 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5861 * omp-low.c (expand_omp_sections): Only use single_pred if
5862 l2_bb is single_pred_p.
5864 2010-01-25 Christian Bruel <christian.bruel@st.com>
5867 * config/sh/sh.c (find_barrier): Increase length for non delayed
5868 conditional branches.
5869 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5871 2010-01-24 David S. Miller <davem@davemloft.net>
5873 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5874 define if not using GAS.
5875 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5876 Likewise. Delete SECTION_MERGE code, which is only applicable
5879 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5882 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5883 mangling of va_list in system headers.
5885 2010-01-23 Toon Moene <toon@moene.org>
5887 * tree-predcom.c (combine_chains): Return NULL, not false.
5889 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5891 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5892 initialization of variable res to agree with return type.
5894 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5896 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5897 * tree-sra.c: Add include of expr.h.
5899 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5901 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5902 insert the debug stmt on the single non-EH edge from the stmt.
5904 2010-01-22 Richard Henderson <rth@redhat.com>
5907 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5908 the RHS until after generate_subtree_copies has insertted its
5909 code before the current statement.
5911 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5913 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5915 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5917 2010-01-21 Martin Jambor <mjambor@suse.cz>
5919 PR tree-optimization/42585
5920 * tree-sra.c (struct access): New field grp_total_scalarization.
5921 (dump_access): Dump the new field.
5922 (should_scalarize_away_bitmap): New variable.
5923 (cannot_scalarize_away_bitmap): Likewise.
5924 (sra_initialize): Allocate new bitmaps.
5925 (sra_deinitialize): Free new bitmaps.
5926 (create_access_1): New function.
5927 (create_access): Parts moved to create_access_1.
5928 (type_consists_of_records_p): New function.
5929 (completely_scalarize_record): Likewise.
5930 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5931 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5932 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5934 (analyze_all_variable_accesses): Completely scalarize small eligible
5937 2010-01-21 Martin Jambor <mjambor@suse.cz>
5939 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5941 2010-01-21 Andrew Haley <aph@redhat.com>
5943 * gcc.c (process_command): Move lang_specific_driver before
5944 setting cc_libexec_prefix.
5946 2010-01-21 Richard Guenther <rguenther@suse.de>
5949 * fold-const.c (negate_expr_p): Pretend only negative
5950 real constants are easily negatable.
5952 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5953 Jason Merrill <jason@redhat.com>
5955 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5956 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5957 * calls.c (initialize argument_information): Handle it.
5958 * c-common.c (handle_transparent_union_attribute): Use new name.
5959 * c-decl.c (finish_struct): Ditto.
5960 * c-typeck.c (type_lists_compatible_p): Ditto.
5961 (convert_for_assignment): Use new name and also handle record.
5962 * function.c (aggregate_value_p): Handle it.
5963 (pass_by_reference): Ditto.
5964 (assign_parm_data_types): Ditto.
5965 * print-tree.c (print_node): Ditto.
5966 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5967 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5968 * tree.c (first_field): New fn.
5970 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5973 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5974 even when linking statically, for now.
5976 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5979 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5980 without a cselib val.
5981 (count_uses): Accept MO_VAL_SET with no val on stores.
5982 (add_stores): Likewise.
5984 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5986 * var-tracking.c (check_value_val): Add a compile time assertion.
5987 (dv_is_decl_p): Simplify.
5988 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5989 gcc_assert if ENABLE_CHECKING.
5991 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5994 * var-tracking.c: Include tree-flow.h.
5995 (mem_dies_at_call): New.
5996 (dataflow_set_preserve_mem_locs): Use it.
5997 (dataflow_set_remove_mem_locs): Likewise.
5998 (dump_var): Renamed from dump_variable. Adjust all callers.
5999 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6000 * Makefile.in (var-tracking.o): Adjust deps.
6002 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6004 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6006 2010-01-20 Richard Guenther <rguenther@suse.de>
6008 PR tree-optimization/42717
6009 * tree-ssa-dce.c (get_live_post_dom): Remove.
6010 (forward_edge_to_pdom): Take an arbitrary edge to copy
6011 degenerate PHI args from.
6012 (remove_dead_stmt): Use the first post-dominator even if it
6013 does not contain live statements as redirection destination.
6015 2010-01-20 Richard Guenther <rguenther@suse.de>
6017 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6019 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6021 * sel-sched.c (create_speculation_check): Remove set but not used
6023 (try_transformation_cache): Remove set but not used variable ds.
6024 (calculate_privileged_insns): Remove set but not used variables
6025 cur_insn and min_spec_insn.
6026 (find_best_expr): Remove set but not used variable avail_n.
6027 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6029 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6031 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6032 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6035 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6038 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6039 cpu types. Add support for *-sse3 cpu types.
6040 (x86_64-*-*): Ditto.
6042 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6045 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6046 argument, call initializer_constant_valid_p_1 instead of
6047 initializer_constant_valid_p, pass CACHE to it, return NULL
6048 immediately if first call returns NULL.
6049 (initializer_constant_valid_p_1): New function.
6050 (initializer_constant_valid_p): Use it.
6052 2010-01-20 Thomas Quinot <quinot@adacore.com>
6054 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6056 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6058 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6059 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6060 (loc_list_from_tree): Don't handle unsigned division. Handle
6061 signed modulo using DW_OP_{over,over,div,mul,minus}.
6062 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6063 modulo instead of signed.
6065 2010-01-20 DJ Delorie <dj@redhat.com>
6067 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6069 (h8300_emit_stack_adjustment): Propogate it.
6071 (h8300_expand_prologue): Likewise.
6072 (h8300_expand_epilogue): Likewise.
6074 2010-01-19 Michael Matz <matz@suse.de>
6076 PR tree-optimization/41783
6077 * tree-data-ref.c (toplevel): Include flags.h.
6078 (dump_data_dependence_relation): Also dump the inputs if the
6079 result will be unknown.
6080 (split_constant_offset_1): Look through some conversions.
6081 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6082 the offset from last element is too large.
6083 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6084 (reassociate_to_the_same_stmt): Handle vector registers.
6085 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6087 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6088 wide_prolog_niters argument, emit widening instructions.
6089 (vect_do_peeling_for_alignment): Adjust caller, use widened
6090 variant of the iteration cound.
6091 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6093 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6096 * config/arm/neon-testgen.m (emit_automatics): New parameter
6097 features. Adjust for Fixed_return_reg feature.
6098 (test_intrinsic): Call emit_automatics with new feature.
6099 * config/arm/neon.ml: Update copyright years.
6100 (features): New Fixed_return_reg feature.
6101 (ops): Update feature for Vget_low.
6103 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6105 PR tree-optimization/42719
6106 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6110 * fwprop.c (all_uses_available_at): Return false if def_set dest
6111 is a REG that is used in def_insn.
6113 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6115 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6117 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6120 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6122 * target.h (struct gcc_target) <secondary_reload>: Change type
6123 of last argument to secondary_reload_info *.
6125 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6128 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6129 memory references with unaligned offsets. Remove CQImode handling.
6130 (unaligned_memory_operand): Return 1 for memory references with
6131 unaligned offsets. Remove CQImode handling.
6133 2010-01-18 Richard Guenther <rguenther@suse.de>
6136 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6139 2010-01-18 Richard Guenther <rguenther@suse.de>
6141 PR tree-optimization/42781
6142 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6143 restrict processing only if the original variable was artificial.
6145 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6147 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6148 find number of popped argument bytes.
6150 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6151 Fix the text that describes the return value for invalid insns.
6153 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6155 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6156 Clarify what 'cost of the -dependence' is. Fix quoting.
6158 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6159 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6161 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6163 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6164 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6166 2010-01-17 Richard Guenther <rguenther@suse.de>
6169 * function.c (split_complex_args): Take a VEC to modify.
6170 (assign_parms_augmented_arg_list): Build a VEC instead of
6171 a chain of PARM_DECLs.
6172 (assign_parms_unsplit_complex): Take a VEC of arguments.
6173 Do not fixup unmodified parms.
6174 (assign_parms): Deal with the VEC.
6175 (gimplify_parameters): Likewise.
6177 2010-01-17 Richard Guenther <rguenther@suse.de>
6179 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6180 node existence check.
6181 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6182 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6183 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6184 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6185 (gimple_execute_on_growing_pred): Likewise.
6187 2010-01-17 Richard Guenther <rguenther@suse.de>
6189 PR tree-optimization/42773
6190 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6191 (compute_antic_aux): Likewise.
6192 (compute_partial_antic_aux): Likewise.
6194 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6197 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6200 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6202 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6205 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6206 Fix markup for strict argument.
6208 (TARGET_SCHED_REORDER2): Fix argument types.
6210 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6211 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6213 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6214 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6216 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6219 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6220 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6221 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6222 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6223 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6225 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6227 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6229 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6230 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6232 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6234 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6237 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6239 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6240 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6242 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6244 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6246 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6247 referring to it. Fix language.
6249 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6251 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6253 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6255 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6257 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6258 '@var{stream}. Remove stray 'and'.
6260 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6262 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6264 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6266 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6267 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6269 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6270 Fix description of return value.
6271 Rename argument "sz" to "len."
6273 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6274 Clarify meaning of 'true' return value.
6276 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6278 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6279 rep_mode versus mode_rep.
6281 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6283 (TARGET_BUILTIN_DECL): Fix name.
6285 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6287 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6289 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6291 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6293 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6295 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6298 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6299 Rename argument tm_fn to md_fn.
6301 (TARGET_OPTION_PRINT): Fix argument list.
6303 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6306 * config/i386/i386.c (ix86_fixup_binary_operands):
6307 Revert FMA4 fixup of operands.
6309 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6312 * Makefile.in (write_entries_to_file, install-plugin):
6313 Use \012 instead of \n with tr.
6315 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6317 * configure.ac (HAVE_AS_REF): New C macro.
6318 * configure: Regenerate.
6319 * config.in: Likewise.
6320 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6322 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6325 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6327 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6329 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6331 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6333 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6335 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6337 (TARGET_BINDS_LOCAL_P): Fix argument type.
6339 (TARGET_ASM_FILE_END): Use prototype.
6341 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6343 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6345 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6347 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6349 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6350 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6352 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6353 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6355 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6356 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6357 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6358 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6360 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6362 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6364 (TARGET_INIT_BUILTINS): Use prototype.
6366 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6367 Put 'const char *' in braces. Fix parameter types.
6368 (TARGET_INVALID_CONVERSION): Fix parameter types.
6369 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6370 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6372 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6375 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6377 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6379 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6381 * doc/tm.texi (TARGET_HELP): Fix return type.
6383 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6384 in braces. Fix argument types.
6386 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6388 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6390 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6392 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6393 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6395 (TARGET_MANGLE_TYPE): Fix argument types.
6397 (TARGET_IRA_COVER_CLASSES): Use prototype.
6399 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6401 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6403 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6405 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6407 (TARGET_CALLEE_COPIES): Fix argument types.
6409 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6411 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6413 (TARGET_FUNCTION_VALUE): Fix argument types.
6415 (TARGET_RETURN_IN_MSB): Fix argument type.
6417 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6419 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6421 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6423 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6424 agree with return type.
6426 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6428 2010-01-15 Jing Yu <jingyu@google.com>
6430 PR rtl-optimization/42691
6431 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6432 a pseudo to a constant and are merged, and adjust comments.
6434 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6436 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6438 2010-01-15 Richard Guenther <rguenther@suse.de>
6441 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6442 labels of computed or non-local gotos to the destination.
6443 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6444 landing pad label is the first label.
6446 2010-01-15 Richard Guenther <rguenther@suse.de>
6448 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6450 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6453 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6454 to allow generation of the xssqrtdp instruction on power7.
6455 (sqrtdf2_fpr): Ditto.
6457 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6460 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6461 functions with noreturn attribute.
6464 * varasm.c (declare_weak): Add weak attribute to decl if it
6465 doesn't have one already.
6466 (assemble_external): Only add decls to weak_decls if they also
6467 have weak attribute.
6469 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6471 * var-tracking.c (var_reg_delete): Don't delete the association
6472 between REGs and values or one-part variables if the register
6475 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6478 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6479 because its first operand is a non-localized variable.
6481 2010-01-14 Martin Jambor <mjambor@suse.cz>
6483 PR tree-optimization/42706
6484 * tree-sra.c (encountered_recursive_call): New variable.
6485 (encountered_unchangable_recursive_call): Likewise.
6486 (sra_initialize): Initialize both new variables.
6487 (callsite_has_enough_arguments_p): New function.
6488 (scan_function): Call decl and flags check only for IPA-SRA, check
6489 whether there is a recursive call and whether it has enough arguments.
6490 (all_callers_have_enough_arguments_p): New function.
6491 (convert_callers): Look for recursive calls only when
6492 encountered_recursive_call is set.
6493 (ipa_early_sra): Bail out either if
6494 !all_callers_have_enough_arguments_p or
6495 encountered_unchangable_recursive_call.
6497 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6499 * sel-sched.c: Add 2010 to copyright years.
6500 * sel-sched-ir.c: Likewise.
6501 * sel-sched-ir.h: Likewise.
6503 2010-01-14 Martin Jambor <mjambor@suse.cz>
6505 PR tree-optimization/42714
6506 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6507 constructors specially.
6509 2010-01-14 Andi Kleen <ak@linux.intel.com>
6511 * config/i386/drivers-i386.c (detect_caches_intel):
6512 Add l2sizekb parameter and fill in.
6513 (host_detect_local_cpu): Add l2sizekb, fill in.
6514 Add Atom small cache heuristic.
6516 2010-01-14 Andi Kleen <ak@linux.intel.com>
6518 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6519 Add level3 parameter and fill in.
6520 (detect_caches_intel): Handle level3 cache.
6522 2010-01-14 Andi Kleen <ak@linux.intel.com>
6524 * config/i386/drivers-i386.c (host_detect_local_cpu):
6525 Fix core duo detection.
6527 2010-01-14 Andi Kleen <ak@linux.intel.com>
6529 * config/i386/drivers-i386.c (host_detect_local_cpu):
6532 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6534 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6535 (rs6000_variable_issue_1): this. Use...
6536 (rs6000_variable_issue): here. Reimplement. Print debug info.
6538 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6540 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6541 sel_restore_notes. Update all callers. Call reemit_notes
6544 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6546 PR rtl-optimization/42246
6547 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6550 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6552 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6553 all successors is the same as number of successors in current region.
6555 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6557 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6558 to rename is not separable. Otherwise check that its LHS is not NULL.
6560 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6562 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6564 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6566 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6567 available registers when failed to discover LHS register class.
6568 Fix indentation. Update comment.
6570 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6571 Alexander Monakov <amonakov@ispras.ru>
6573 PR rtl-optimization/42389
6574 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6576 (advance_state_on_fence): Likewise.
6577 (sel_target_adjust_priority): Print debug output only when
6578 sched_verbose >= 4, not 2.
6579 (get_expr_cost): Do not issue all unique insns on the next cycle.
6580 (fill_insns): Initialize can_issue_more from the value saved
6582 * sel-sched-ir.c (flist_add): New parameter issue_more.
6583 Init FENCE_ISSUE_MORE with it.
6584 (merge_fences): Likewise.
6585 (init_fences): Update call to flist_add.
6586 (add_to_fences, add_clean_fence_to_fences)
6587 (add_dirty_fence_to_fences): Likewise.
6588 (move_fence_to_fences): Update call to merge_fences.
6589 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6591 * sel-sched-ir.h (struct _fence): New field issue_more.
6592 (FENCE_ISSUE_MORE): New accessor macro.
6594 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6596 PR rtl-optimization/42388
6597 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6598 that have no predecessors nor successors. Do not call move_bb_info
6599 for empty blocks outside of current region.
6601 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6603 PR rtl-optimization/42294
6604 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6605 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6606 originators' originators.
6608 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6610 PR rtl-optimization/39453
6611 PR rtl-optimization/42246
6612 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6614 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6616 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6617 Alexander Monakov <amonakov@ispras.ru>
6620 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6621 (maybe_tidy_empty_bb): ... here. Make static. Add new
6622 argument. Update all callers.
6623 (tidy_control_flow): ... and here. Recompute topological order
6624 of basic blocks in region if necessary.
6625 (sel_redirect_edge_and_branch): Change return type. Return true
6626 if topological order might have been invalidated.
6627 (purge_empty_blocks): Export and move from...
6628 * sel-sched.c (purge_empty_blocks): ... here.
6629 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6630 (maybe_tidy_empty_bb): Delete prototype.
6631 (purge_empty_blocks): Declare.
6633 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6635 PR rtl-optimization/42249
6636 * sel-sched.c (try_replace_dest_reg): When chosen register
6637 and original register is the same, do not bail out early, but
6638 still check all original insns for validity of replacing destination
6639 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6642 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6645 Port from no-undefined-overflow branch:
6646 2009-03-09 Richard Guenther <rguenther@suse.de>
6648 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6650 2010-01-14 Richard Guenther <rguenther@suse.de>
6653 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6655 2010-01-14 Ira Rosen <irar@il.ibm.com>
6657 PR tree-optimization/42709
6658 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6659 as scalar type in creation of constant vector operand.
6661 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6664 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6665 (check-parallel-%): Match `testsuite' directory component only
6668 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6670 PR translation/39521
6671 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6674 2010-01-13 Richard Guenther <rguenther@suse.de>
6676 PR tree-optimization/42730
6677 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6680 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6683 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6684 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6687 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6689 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6690 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6691 ___umulsi3_highpart.
6693 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6694 rather than schedule_insns if the pass is enabled.
6696 2010-01-13 Martin Jambor <mjambor@suse.cz>
6698 PR tree-optimization/42704
6699 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6702 2010-01-13 Martin Jambor <mjambor@suse.cz>
6704 PR tree-optimization/42703
6705 * tree-sra.c (analyze_access_subtree): Check that we can build a
6706 reference to the original data within the aggregate.
6708 2010-01-13 Richard Guenther <rguenther@suse.de>
6710 PR tree-optimization/42705
6711 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6713 2010-01-13 Richard Guenther <rguenther@suse.de>
6716 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6718 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6721 * var-tracking.c (values_to_unmark): New variable.
6722 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6723 values_to_unmark vector. Moved body to...
6724 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6725 instead queue it into values_to_unmark vector.
6726 (vt_find_locations): Free values_to_unmark vector.
6728 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6730 * config/s390/s390.c (override_options): Set
6731 default of max-pending-list-length to 256
6733 2010-01-13 Richard Guenther <rguenther@suse.de>
6736 * tree-pass.h (PROP_gimple_lcx): New.
6737 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6738 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6739 before the final cleanup_eh.
6740 (dump_properties): Dump PROP_gimple_lcx.
6741 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6742 (tree_lower_complex_O0): Remove.
6743 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6744 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6745 tree_lower_complex, schedule TODO_update_ssa.
6746 * lto-streamer-out.c (output_function): Stream the functions
6748 * lto-streamer-in.c (input_function): Likewise.
6749 (lto_read_body): Do not override them here.
6751 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6754 * c-typeck.c (build_c_cast): Fold value cast to union type before
6755 wrapping it in a CONSTRUCTOR.
6757 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6759 PR rtl-optimization/42699
6760 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6763 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6765 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6766 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6767 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6768 SUBTARGET_WARN_UNUSED_SPEC): ... here
6769 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6771 2010-01-12 Julian Brown <julian@codesourcery.com>
6773 * config/arm/neon-schedgen.ml (Utils): Don't try to
6774 open missing module.
6775 (find_with_result): New.
6777 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6780 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6781 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6783 PR tree-optimization/42645
6784 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6785 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6786 decl_map, set processing_debug_stmt to -1 and return name without
6789 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6791 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6792 binutils version, and reword target configuration description.
6794 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6796 * config/avr/avr.h (LINKER_NAME): Remove.
6798 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6801 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6802 that support VSX, warn for -mno-altivec if vsx is not disabled,
6805 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6806 Shujing Zhao <pearly.zhao@oracle.com>
6808 PR translation/42469
6809 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6810 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6811 character between option name and help text.
6812 * c.opt (imultilib): Likewise.
6814 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6816 * lto-streamer-out.c (output_unreferenced_globals): Output static
6819 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6821 PR rtl-optimization/42621
6822 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6823 optimizing for size.
6824 (duplicate_computed_gotos): Remove now-redundant check.
6826 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6829 * configure.ac: Save and restore LDFLAGS and LIBS
6830 * configure: Regenerate.
6832 2010-01-10 Richard Guenther <rguenther@suse.de>
6835 * builtins.c (fold_builtin_strlen): Add type argument and
6836 convert the resulting length to it.
6837 (fold_builtin_1): Adjust.
6839 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6841 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6842 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6844 (num_insns_constant_wide): Adjust for that change.
6846 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6849 * web.c (union_defs): Add used argument, to combine uses of
6851 (entry_register): Adjust type and tests of used argument.
6852 (web_main): Widen used for new use. Pass it to union_defs.
6853 * df.h (union_defs): Adjust prototype.
6855 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6858 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6859 uses in new incoming argument. Free body.
6860 (reset_debug_uses_in_loop): New.
6861 (analyze_insn_to_expand_var): Call the latter if the former found
6862 anything. Fix whitespace. Reject invalid dest overlaps before
6863 going through all insns in the loop.
6865 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6868 * haifa-sched.c (dying_use_p): Debug insns don't count.
6870 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6873 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6874 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6875 (verify_gimple_call): Reject LHS in noreturn calls.
6877 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6881 * tree-vect-loop-manip.c (adjust_info): New type.
6882 (adjust_vec): New pointer to vector.
6883 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6884 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6885 (slpeel_update_phis_for_duplicate_loop): Use them.
6886 (slpeel_update_phi_nodes_for_guard1): Likewise.
6887 (slpeel_update_phi_nodes_for_guard2): Likewise.
6888 (slpeel_tree_peel_loop_to_edge): Likewise.
6889 (vect_update_ivs_after_vectorizer): Likewise.
6891 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6893 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6894 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6896 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6898 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6899 bogus uninitialized warning.
6901 2010-01-09 Richard Guenther <rguenther@suse.de>
6904 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6905 the evolution is compatible with the initial condition.
6907 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6909 * gcc.c (process_command): Update copyright notice dates.
6910 * gcov.c (print_version): Likewise.
6911 * gcov-dump.c (print_version): Likewise.
6912 * mips-tfile.c (main): Likewise.
6913 * mips-tdump.c (main): Likewise.
6915 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6918 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6920 (rotlhi3_8): Delete.
6922 (rotlsi3_8): Delete.
6923 (rotlsi3_16): Delete.
6924 (rotlsi3_24): Delete.
6926 (*rotw<mode>3): New.
6927 (*rotb<mode>3): New.
6928 * config/avr/avr.c (avr_rotate_bytes): New function.
6929 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6931 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6934 * configure.ac: Modify -rdynamic check.
6935 * configure: Regenerate.
6937 2010-01-08 DJ Delorie <dj@redhat.com>
6939 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6940 register popping order.
6942 2010-01-08 Richard Guenther <rguenther@suse.de>
6945 * c.opt (fsigned-char): Also let LTO handle this option.
6946 (funsigned-char): Likewise.
6948 2010-01-07 Richard Guenther <rguenther@suse.de>
6950 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6951 (gimple_op): Likewise.
6952 (gimple_op_ptr): Likewise.
6953 (gimple_assign_set_lhs): Remove gcc_assert.
6954 (gimple_assign_set_rhs1): Likewise.
6955 (gimple_assign_set_rhs2): Likewise.
6956 (gimple_call_set_lhs): Likewise.
6957 (gimple_call_set_fn): Likewise.
6958 (gimple_call_set_fndecl): Likewise.
6959 (gimple_call_fndecl): Likewise.
6960 (gimple_call_return_type): Likewise.
6961 (gimple_call_set_chain): Likewise.
6962 (gimple_call_num_args): Likewise.
6963 (gimple_call_set_arg): Likewise.
6964 (gimple_cond_set_code): Likewise.
6965 (gimple_cond_set_lhs): Likewise.
6966 (gimple_cond_set_rhs): Likewise.
6967 (gimple_cond_set_true_label): Likewise.
6968 (gimple_cond_set_false_label): Likewise.
6969 (gimple_label_set_label): Likewise.
6970 (gimple_goto_set_dest): Likewise.
6971 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6972 (gimple_debug_bind_get_value): Likewise.
6973 (gimple_debug_bind_get_value_ptr): Likewise.
6974 (gimple_debug_bind_set_var): Likewise.
6975 (gimple_debug_bind_set_value): Likewise.
6976 (gimple_debug_bind_reset_value): Likewise.
6977 (gimple_debug_bind_has_value_p): Likewise.
6978 (gimple_return_retval_ptr): Remove gcc_assert.
6979 (gimple_return_retval): Likewise.
6980 (gimple_return_set_retval): Likewise.
6981 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6982 (safe_referenced_var_iterator): Remove.
6983 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6984 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6985 (fill_referenced_var_vec): Remove.
6986 (first_readonly_imm_use): Remove redundant gcc_assert.
6987 (phi_arg_index_from_use): Combine gcc_asserts.
6988 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6989 (first_imm_use_stmt): Remove redundant gcc_assert.
6990 * tree-cfg.c (verify_gimple_call): Verify function and chain
6991 operands. Verify arguments.
6992 (verify_types_in_gimple_stmt): Verify condition code and labels.
6994 2010-01-07 Richard Guenther <rguenther@suse.de>
6996 PR tree-optimization/42641
6997 * sese.c (rename_map_elt_info): Use the SSA name version, do
7000 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7002 PR tree-optimization/42625
7003 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7004 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7006 2010-01-07 Duncan Sands <baldrick@free.fr>
7008 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7010 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7013 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7014 note itself is not function_invariant_p.
7016 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7018 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7019 Do not add the DF_NOTE problem.
7020 * store-motion.c (execute_rtl_store_motion): Likewise.
7022 2010-01-07 Martin Jambor <mjambor@suse.cz>
7024 PR tree-optimization/42157
7025 * tree-sra.c (compare_access_positions): Stabilize sort if both
7026 accesses have integer types, return zero immediately if they are the
7029 2010-01-06 Richard Henderson <rth@redhat.com>
7032 * haifa-sched.c (add_to_note_list): Merge into ...
7033 (concat_note_lists): ... here, and ...
7034 (unlink_other_notes, rm_other_notes): Merge into...
7035 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7036 NOTE_INSN_EPILOGUE_BEG.
7038 2010-01-06 Richard Guenther <rguenther@suse.de>
7040 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7041 not inline regular functions into always-inline functions.
7043 2010-01-06 Nick Clifton <nickc@redhat.com>
7045 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7046 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7048 (OVERRIDE_OPTIONS): Delete.
7049 (OPTIMIZATION_OPTIONS): Define.
7050 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7051 * config/rx/rx.c (rx_handle_option): Issue an error message if
7052 -mcpu=rx200 and -fpu are used together.
7053 (rx_set_optimization_options): New function. Issue an error
7054 message if an optimization attribute attempts to reset the FPU/
7055 math optimization pairing.
7056 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7057 * config/rx/rx.opt: Set the default to 32-bit doubles.
7058 * config/rx/t-rx: Add multilibs for -nofpu option.
7059 * doc/invoke.texi: Update documentation of RX options.
7061 2010-01-06 Richard Guenther <rguenther@suse.de>
7063 * tree-ssa-pre.c (name_to_id): New global.
7064 (alloc_expression_id): Simplify SSA name handling.
7065 (lookup_expression_id): Likewise.
7066 (init_pre): Zero name_to_id.
7067 (fini_pre): Free it.
7069 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7071 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7073 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7076 * config/i386/sse.md (smaxv2di3): New.
7077 (umaxv2di3): Likewise.
7078 (sminv2di3): Likewise.
7079 (uminv2di3): Likewise.
7081 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7084 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7085 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7086 (legitimize_tls_address): Likewise.
7087 (sparc_tls_referenced_p): Likewise.
7088 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7089 and adjust calls to legitimize_pic_address.
7090 (legitimate_constant_p) Use sparc_tls_referenced_p.
7091 (legitimate_pic_operand_p): Likewise.
7092 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7093 (sparc_tls_symbol_ref_1): Delete.
7094 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7095 (legitimize_tls_address): Make static, handle CONST patterns.
7096 (legitimize_pic_address): Make static, remove unused parameter and
7097 adjust recursive calls.
7098 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7099 and adjust call to legitimize_pic_address.
7100 (sparc_output_mi_thunk): Likewise.
7102 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7103 H.J. Lu <hongjiu.lu@intel.com>
7106 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7107 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7108 operands to make them signed.
7111 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7114 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7115 GTU to GT for V4SI and V2DI.
7117 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7118 (umin<mode>3): Removed.
7120 (uminv4si3): Likewise.
7122 2010-01-05 Martin Jambor <mjambor@suse.cz>
7124 PR tree-optimization/42462
7125 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7126 current_function_decl to helper functions and macros.
7128 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7131 * flags.h: Don't include real.h.
7132 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7133 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7134 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7135 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7136 * dominance.c: Update copyright.
7137 * gimple.c (walk_gimple_op): Remove inline.
7138 * tree-ssa-reassoc.c: Include real.h.
7139 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7140 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7142 2010-01-05 Nick Clifton <nickc@redhat.com>
7144 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7145 register to push into the stack frame when the accumulator has to
7146 be saved during interrupts.
7148 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7150 * doc/invoke.texi: Remove the documentation about option
7152 * common.opt (Wunreachable-code): Preserved for backward
7154 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7155 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7156 the backward compatibility flag section.
7158 2010-01-05 Richard Guenther <rguenther@suse.de>
7160 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7162 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7165 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7167 PR tree-optimization/42508
7168 * tree-sra.c (convert_callers): Check for recursive call
7169 by comparing cgraph nodes instead of decls.
7170 (modify_function): Call ipa_modify_formal_parameters also
7171 on all same_body aliases.
7173 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7174 cgraph nodes when checking for same_body aliases.
7176 2010-01-05 Richard Guenther <rguenther@suse.de>
7178 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7179 allocation and lookup.
7180 (get_or_alloc_expr_for_constant): Likewise.
7181 (phi_translate): Sink allocation.
7183 2010-01-04 Richard Guenther <rguenther@suse.de>
7185 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7186 a new entry only if needed.
7187 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7188 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7190 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7192 (phi_translate): Handle CONSTANTs early.
7194 2010-01-04 Martin Jambor <mjambor@suse.cz>
7196 PR tree-optimization/42398
7197 * tree-sra.c (struct access): Removed flag grp_different_types.
7198 (dump_access): Do not dump the removed flag.
7199 (sort_and_splice_var_accesses): Do not set the removed flag.
7200 (sra_modify_expr): Check for type compatibility directly.
7202 2010-01-04 Martin Jambor <mjambor@suse.cz>
7204 PR tree-optimization/42366
7205 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7206 edges with variable number of parameters.
7207 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7208 flag instead of asserting it.
7209 (ipa_read_node_info): Read uses_analysis_done flag.
7211 2010-01-04 Richard Guenther <rguenther@suse.de>
7213 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7214 iterative_hash_* as intended.
7215 (vn_reference_compute_hash): Likewise. Simplify hashing
7217 (vn_reference_lookup_2): Likewise.
7218 (vn_nary_op_compute_hash): Likewise.
7219 (vn_phi_compute_hash): Likewise.
7220 (expressions_equal_p): Remove strange code.
7221 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7222 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7223 (bitmap_insert_into_set_1): Take value-id as parameter.
7224 (add_to_value): Pass it.
7225 (bitmap_insert_into_set): Likewise.
7226 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7228 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7231 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7232 (do_self_spec): For switches with SWITCH_IGNORE set set also
7233 SWITCH_IGNORE_PERMANENTLY.
7234 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7237 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7239 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7240 tree of an unreferenced global var.
7242 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7245 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7246 GTU to GT for V4SI and V2DI.
7248 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7249 (umin<mode>3): Removed.
7251 (uminv4si3): Likewise.
7253 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7256 * collect2.c (main): Turn on trace in collect2 if -v is passed
7259 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7261 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7262 description of expression operand.
7264 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7266 * configure.ac: Add install-html to target_list for Make-hooks.
7267 * configure: Regenerate.
7268 * fortran/Make-lang.in (F95_HTMLFILES): New.
7269 (fortran.html): Use it.
7270 (fortran.install-html): New.
7271 * Makefile.in (install-html): Add lang.install-html.
7272 * java/Make-lang.in (JAVA_HTMLFILES): New.
7273 (java.html): Use it.
7274 (java.install-html): New.
7275 * objc/Make-lang.in (objc.install-html): New.
7276 * objcp/Make-lang.in (obj-c++.install-html): New.
7277 * cp/Make-lang.in (c++.install-html): New.
7278 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7279 * lto/Make-lang.in (lto.install-html): New.
7281 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7284 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7286 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7288 PR rtl-optimization/41862
7289 * store-motion.c (store_killed_in_insn, compute_store_table,
7290 remove_reachable_equiv_notes, replace_store_insn,
7291 build_store_vectors): Ignore all DEBUG_INSNs.
7293 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7296 * common.opt: Add dumpdir.
7298 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7300 (option_map): Add --dumpdir.
7302 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7304 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7306 * opts.c (decode_options): Try dump_dir_name first if
7307 dump_base_name isn't an absolute path.
7308 (common_handle_option): Handle OPT_dumpdir.
7310 * toplev.c (dump_dir_name): New.
7311 (print_switch_values): Also ignore -dumpdir.
7313 * toplev.h (dump_dir_name): New.
7315 2010-01-03 Richard Guenther <rguenther@suse.de>
7317 PR tree-optimization/42589
7318 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7319 double-word expansion of bswap32.
7321 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7323 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7324 with BLOCK_FOR_INSN.
7325 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7326 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7327 noce_process_if_block): Likewise.
7328 * gcse.c (compute_local_properties, insert_expr_in_table,
7329 insert_set_in_table, canon_list_insert, find_avail_set,
7330 pre_insert_copy_insn): Likewise.
7332 * basic-block.h (BLOCK_NUM): Move from here...
7333 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7335 2010-01-03 Richard Guenther <rguenther@suse.de>
7337 PR tree-optimization/42438
7338 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7339 contains_may_not_return_call flag.
7340 (BB_MAY_NOTRETURN): New.
7341 (valid_in_sets): Trapping nary operations are not valid
7342 in blocks that may not return.
7343 (insert_into_preds_of_block): Remove check for trapping expressions.
7344 (compute_avail): Compute also BB_MAY_NOTRETURN.
7346 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7348 * doc/invoke.texi: Add 2010 to copyright years.
7350 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7352 * config/sparc/sparc.c: Fix formatting nits.
7354 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7355 Alexander Monakov <amonakov@ispras.ru>
7357 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7359 2010-01-02 Richard Guenther <rguenther@suse.de>
7362 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7363 (simplify_switch_using_ranges): Mark to be removed edges
7366 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7368 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7370 * collect2.c (scan_libraries): Add missing argument in call to
7373 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7376 * config/alpha/predicates.md (aligned_memory_operand): Return false
7378 (unaligned_memory_operand): Return true for CQImode.
7379 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7380 doesn not cross aligned SImode word boundary.
7382 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7384 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7386 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7387 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7389 2010-01-02 Richard Guenther <rguenther@suse.de>
7392 * toplev.c (compile_file): Emit LTO marker properly. Change
7394 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7396 2010-01-01 Richard Guenther <rguenther@suse.de>
7399 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7401 2010-01-01 Richard Guenther <rguenther@suse.de>
7404 * c-decl.c (grokdeclarator): For zero-size arrays force
7405 structural equality checks as layout_type does.
7407 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7409 * builtins.c: Update copyright to 2010.
7411 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7414 * lto-streamer-out.c (produce_asm): Revert the last change.
7415 (copy_function): Likewise.
7417 * lto-streamer.c (lto_get_section_name): Skip any leading
7420 2010-01-01 Richard Guenther <rguenther@suse.de>
7423 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7427 Copyright (C) 2010 Free Software Foundation, Inc.
7429 Copying and distribution of this file, with or without modification,
7430 are permitted in any medium without royalty provided the copyright
7431 notice and this notice are preserved.