1 2010-04-27 Martin Jambor <mjambor@suse.cz>
4 * ipa.c (dissolve_same_comdat_group_list): New function.
5 (function_and_variable_visibility): Call
6 dissolve_same_comdat_group_list when comdat group contains external or
8 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
9 lists are circular and that they contain only DECL_ONE_ONLY nodes.
11 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
13 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
14 (const_hash_1) <VECTOR_CST>: New case.
15 (compare_constant) <VECTOR_CST>: Likewise.
16 <ADDR_EXPR>: Deal with LABEL_REFs.
17 (copy_constant) <VECTOR_CST>: New case.
19 2010-04-27 Jan Hubicka <jh@suse.cz>
21 * cgraph.c (cgraph_propagate_frequency): New function.
22 * cgraph.h (cgraph_propagate_frequency): Declare.
23 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
24 cgraph_propagate_frequency.
26 2010-04-27 Jakub Jelinek <jakub@redhat.com>
28 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
30 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
33 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
34 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
35 here to determine which regs to push and how much stack to reserve.
37 2010-04-27 Jie Zhang <jie@codesourcery.com>
39 * doc/gimple.texi (gimple_statement_with_ops): Remove
40 addresses_taken field.
41 (gimple_statement_with_memory_ops): Likewise.
43 2010-04-27 Jan Hubicka <jh@suse.cz>
45 * tree-inline.c (eni_inlining_weights): Remove.
46 (estimate_num_insns): Special case more builtins.
48 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
51 * c-typeck.c (build_binary_op): Move forward check for comparison
52 pointer with null pointer constant and adjust the diagnostic message.
54 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
57 * configure.ac (gcc_cv_as_section_has_align): Set if installed
58 binutils supports extended .section directive needed by LTO, or
59 warn if older binutils found.
60 (LTO_BINARY_READER): New AC_SUBST'd variable.
61 (LTO_USE_LIBELF): Likewise.
62 * gcc/config.gcc (lto_binary_reader): New target-specific configure
64 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
65 (LTO_USE_LIBELF): Likewise.
66 * configure: Regenerate.
68 * collect2.c (is_elf): Rename from this ...
69 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
70 object files in addition to ELF-formatted ones.
71 (scan_prog_file): Caller updated. Also allow for LTO info marker
72 symbol to be prefixed or not by an extra underscore.
74 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
75 * config/i386/winnt.c: Also #include lto-streamer.h
76 (i386_pe_asm_named_section): Specify 1-byte section alignment for
78 (i386_pe_asm_output_aligned_decl_common): Add comment.
79 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
81 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
84 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
85 Add missing earlyclobber for second alternative.
87 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
89 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
90 bits for artificial defs at the top of the block.
91 * fwprop.c (single_def_use_enter_block): Don't call it.
93 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
96 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
97 instead of "$gcc_cv_objdump -T".
98 Use "-undefined dynamic_lookup" on darwin.
99 * gcc/configure: Regenerate.
101 2010-04-26 Jakub Jelinek <jakub@redhat.com>
104 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
106 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
108 * c-parser.c (struct c_token): Move location field up.
109 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
110 (struct c_declspecs): Convert typespec_word, storage_class, and
111 default_int_p into bitfields.
112 (struct c_declarator): Move loc field up.
114 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
116 * cfgloop.h (struct loop): Move can_be_parallel field up.
117 * ipa-prop.h (struct ip_node_params): Move bitfields up.
118 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
120 (struct iv_cand): Convert pos field into a bitfield.
121 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
123 (struct _stmt_vec_info): Shuffle fields for better packing.
125 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
127 * varasm.c (IN_NAMED_SECTION): Remove guard.
128 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
129 (IN_NAMED_SECTION_P): ...this.
130 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
131 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
133 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
135 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
136 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
137 of shadowing it. Fix comments.
139 2010-04-26 Jan Hubicka <jh@suse.cz>
141 * cgraph.c (cgraph_create_node): Set node frequency to normal.
142 (cgraph_clone_node): Copy function frequency.
143 * cgraph.h (node_frequency): New enum
144 (struct cgraph_node): Add.
145 * final.c (rest_of_clean_state): Update.
146 * lto-cgraph.c (lto_output_node): Output node frequency.
147 (input_overwrite_node): Input node frequency.
148 * tre-ssa-loop-ivopts (computation_cost): Update.
149 * lto-streamer-out.c (output_function): Do not output function
151 * predict.c (maybe_hot_frequency_p): Update and handle functions
153 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
155 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
156 (compute_function_frequency): Set noreturn functions to be executed
158 (choose_function_section): Update.
159 * lto-streamer-in.c (input_function): Do not input function frequency.
160 * function.c (allocate_struct_function): Do not initialize function
162 * function.h (function_frequency): Remove.
163 (struct function): Remove function frequency.
164 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
165 (try_update): Update.
166 * tree-inline.c (initialize_cfun): Do not update function frequency.
167 * passes.c (pass_init_dump_file): Update.
168 * i386.c (ix86_compute_frame_layout): Update.
169 (ix86_pad_returns): Update.
171 2010-04-26 Jie Zhang <jie@codesourcery.com>
173 PR tree-optimization/43833
174 * tree-vrp.c (range_int_cst_p): New.
175 (range_int_cst_singleton_p): New.
176 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
177 when both operands are constants. Use range_int_cst_p in
180 2010-04-26 Jan Hubicka <jh@suse.cz>
182 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
184 2010-04-26 Richard Guenther <rguenther@suse.de>
187 * gimple.c (gimple_decl_printable_name): Deal gracefully
188 with a NULL DECL_NAME.
190 2010-04-26 Richard Guenther <rguenther@suse.de>
193 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
194 if emitting debug information and it is either a function
197 2010-04-26 Ira Rosen <irar@il.ibm.com>
199 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
200 determine if the statement is vectorizable, and a macro to
202 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
203 Skip statements that can't be vectorized. If the analysis
204 fails, mark the statement as unvectorizable if vectorizing
206 (vect_compute_data_refs_alignment): Likewise.
207 (vect_verify_datarefs_alignment): Skip statements marked as
208 unvectorizable. Add print.
209 (vect_analyze_group_access): Skip statements that can't be
210 vectorized. If the analysis fails, mark the statement as
211 unvectorizable if vectorizing basic block.
212 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
214 * tree-vect-stmts.c (vectorizable_store): Fix the number of
215 generated stmts for SLP.
216 (new_stmt_vec_info): Initialize the new field.
217 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
218 statements marked as unvectorizable.
220 2010-04-25 Joseph Myers <joseph@codesourcery.com>
222 * c-common.c (flag_isoc1x): New.
223 (flag_isoc99): Update comment.
224 * c-common.h (flag_isoc1x): New.
225 (flag_isoc99): Update comment.
226 * c-cppbuiltin.c (builtin_define_float_constants): Also define
227 __<type>_DECIMAL_DIG__.
228 * c-opts.c (set_std_c1x): New.
229 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
230 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
231 * c.opt (-std=c1x, -std=gnu1x): New options.
232 * doc/cpp.texi: Mention -std=c1x.
233 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
234 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
235 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
236 * doc/standards.texi: Mention C1X.
237 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
238 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
239 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
242 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
244 * config/i386/gmon-sol2.c (_mcleanup): Change format string
245 placeholder from 0x%x to %#x.
246 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
247 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
248 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
249 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
250 * config/i386/i386.c (ix86_target_string): Ditto.
251 (output_pic_addr_const): Ditto.
252 (print_operand): Ditto.
254 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
256 * combine.c (find_split_point): Add third argument. Use it
257 to find nested multiply-accumulate instructions. Adjust calls.
258 (try_combine): Adjust call to find_split_point.
260 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
262 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
264 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
266 PR tree-optimization/41442
267 * fold-const.c (merge_truthop_with_opposite_arm): New function.
268 (fold_binary_loc): Call it.
270 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
272 * toplev.c (general_init): Set default for fdiagnostics-show-option.
273 * opts.c (common_handle_option): Allow disabling it.
274 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
276 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
278 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
279 between modes if both types are integral.
281 2010-04-23 Richard Guenther <rguenther@suse.de>
283 PR tree-optimization/43572
284 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
286 2010-04-23 Richard Guenther <rguenther@suse.de>
289 * tree-inline.c (tree_can_inline_p): Also check compatibility
292 2010-04-23 Martin Jambor <mjambor@suse.cz>
294 PR tree-optimization/43846
295 * tree-sra.c (struct access): New flag grp_assignment_read.
296 (build_accesses_from_assign): Set grp_assignment_read.
297 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
298 (enum mark_read_status): New type.
299 (analyze_access_subtree): Propagate grp_assignment_read, create
300 accesses also if both direct_read and root->grp_assignment_read.
302 2010-04-23 Martin Jambor <mjambor@suse.cz>
305 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
306 function does not have type attributes.
308 2010-04-23 Richard Guenther <rguenther@suse.de>
311 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
314 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
316 * sese.h (create_if_region_on_edge): Remove.
318 * sese.c (create_if_region_on_edge): Make static.
320 * tree-inline.c: Do not include ggc.h.
322 * expr.c: Do not include ggc.h.
324 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
327 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
330 * config/sh/sh.c (find_barrier): Don't emit a constant pool
331 in the middle of insns for casesi_worker_2.
333 2010-04-22 David Edelsohn <edelsohn@gnu.org>
335 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
337 2010-04-22 Ira Rosen <irar@il.ibm.com>
339 PR tree-optimization/43842
340 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
341 loop unrolling in update of exit phis. Fix comment.
342 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
343 least two reduction statements in the loop before starting SLP
346 2010-04-22 Nick Clifton <nickc@redhat.com>
348 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
350 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
352 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
355 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
357 * tree-parloops.c (loop_parallel_p): New argument
358 parloop_obstack. Pass it down.
359 (parallelize_loops): New variable parloop_obstack. Initialize it,
360 pass it down, free it.
362 * tree-loop-linear.c (linear_transform_loops): Pass down
365 * tree-data-ref.h (lambda_compute_access_matrices): New argument
366 of type struct obstack *.
368 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
369 scratch_obstack. Initialize it, pass down, free it.
371 * lambda.h (lambda_loop_new): Remove.
372 (lambda_matrix_new, lambda_matrix_inverse)
373 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
374 argument of type struct obstack *.
376 * lambda-trans.c (lambda_trans_matrix_new): New argument
377 lambda_obstack. Pass it down, use obstack allocation for ret.
378 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
381 * lambda-mat.c (lambda_matrix_get_column)
382 (lambda_matrix_project_to_null): Remove.
383 (lambda_matrix_new): New argument lambda_obstack. Use obstack
385 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
388 * lambda-code.c (lambda_loop_new): New function.
389 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
390 (lambda_compute_auxillary_space, lambda_compute_target_space)
391 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
392 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
393 (build_access_matrix): New argument lambda_obstack. Use obstack
395 (lambda_compute_step_signs, lambda_compute_access_matrices): New
396 argument lambda_obstack. Pass it down.
398 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
400 * optabs.h (expand_widening_mult): Declare.
402 2010-04-22 Richard Guenther <rguenther@suse.de>
404 PR tree-optimization/43845
405 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
406 lookup the CALL_EXPR function and arguments.
408 2010-04-22 Nick Clifton <nickc@redhat.com>
410 * config/stormy16/stormy16.c
411 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
412 * config/stormy16/stormy16.h: Tidy up formatting.
413 (DONT_USE_BUILTIN_SETJMP): Remove definition.
414 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
415 (ineqbranchsi): Delete pattern.
416 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
417 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
418 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
419 stormy16-lib2-ucmpsi2.c.
421 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
423 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
424 df_simulate_find_noclobber_defs as appropriate. Keep track of an
425 extra set merge_set_noclobber, and use it to relax the final test
427 * df.h (df_simulate_find_noclobber_defs): Declare.
428 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
430 (df_simulate_find_noclobber_defs): New function.
432 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
434 * config/i386/i386.md: Use {} around multi-line preparation statements.
436 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
438 * c-tree.h (push_init_level, pop_init_level, set_init_index)
439 (process_init_element): New argument of type struct obstack *.
441 * c-typeck.c (push_init_level, pop_init_level, set_designator)
442 (set_init_index, set_init_label, set_nonincremental_init)
443 (set_nonincremental_init_from_string, find_init_member)
444 (output_init_element, output_pending_init_elements)
445 (process_init_element): New argument braced_init_obstack. Pass it
447 (push_range_stack, add_pending_init): New argument
448 braced_init_obstack. Use obstack allocation.
450 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
451 braced_init_obstack. Pass it down.
452 (c_parser_braced_init): New variables ret, braced_init_obstack.
453 Initialize obstack, pass it down and finally free it.
455 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
458 * tree-pass.h (pass_optimize_widening_mul): Declare.
459 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
460 gate_optimize_widening_mul): New static functions.
461 (pass_optimize_widening_mul): New.
462 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
463 <case MULT_EXPR>: Remove support for widening multiplies.
464 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
465 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
466 simplify_gen_unary rather than directly building extensions.
467 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
469 * expmed.c (expand_widening_mult): New function.
470 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
472 2010-04-21 Jan Hubicka <jh@suse.cz>
474 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
475 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
476 * lto-wpa-fixup.c: Remove.
477 * Makefile.in (lto-wpa-fixup.o): Remove.
478 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
479 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
480 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
482 2010-04-21 Jan Hubicka <jh@suse.cz>
484 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
485 add write_optimization_summary, read_optimization_summary.
486 (ipa_write_summaries_of_cgraph_node_set): Remove.
487 (ipa_write_optimization_summaries): Declare.
488 (ipa_read_optimization_summaries): Declare.
489 * ipa-cp.c (pass_ipa_cp): Update.
490 * ipa-reference.c (pass_ipa_reference): Update.
491 * ipa-pure-const.c (pass_ipa_pure_const): Update.
492 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
494 * ipa-inline.c (pass_ipa_inline): Update.
495 * ipa.c (pass_ipa_whole_program): Update.
496 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
497 * passes.c (ipa_write_summaries_1): Do not test wpa.
498 (ipa_write_optimization_summaries_1): New.
499 (ipa_write_optimization_summaries): New.
500 (ipa_read_summaries): Do not test ltrans.
501 (ipa_read_optimization_summaries_1): New.
502 (ipa_read_optimization_summaries): New.
504 2010-04-21 Jan Hubicka <jh@suse.cz>
506 * lto-cgraph.c (lto_output_node): Do not output comdat groups
508 (output_cgraph): Do not arrange comdat groups for boundary nodes.
510 2010-04-21 Jakub Jelinek <jakub@redhat.com>
513 * dwarf2out.c (add_name_and_src_coords_attributes): Add
514 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
516 2010-04-21 Jan Hubicka <jh@suse.cz>
518 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
520 2010-04-21 Jan Hubicka <jh@suse.cz>
522 * varpool.c (decide_is_variable_needed): Variable is always needed
525 2010-04-21 Jan Hubicka <jh@suse.cz>
527 * opts.c (decode_options): Enable pure-const pass for whopr.
529 2010-04-21 Jan Hubicka <jh@suse.cz>
531 * cgraph.c (dump_cgraph_node): Dump also assembler name.
532 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
534 (cgraph_decide_inlining): Do not expect callee to be removed in all
537 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
539 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
541 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
543 * config/i386/i386.md (x86_shrd): Add athlon_decode and
544 amdfam10_decode attributes.
546 2010-04-21 Jakub Jelinek <jakub@redhat.com>
549 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
550 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
551 (lower_copyprivate_clauses): Use private var in outer
552 context instead of original var. Make sure the types
553 are correct for VLAs.
555 2010-04-21 Richard Guenther <rguenther@suse.de>
557 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
558 to non-pointer objects.
560 2010-04-21 Jakub Jelinek <jakub@redhat.com>
562 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
563 last chain entry if it starts with the still current label.
564 (add_location_or_const_value_attribute): Check that
565 loc_list->first->next is NULL instead of comparing ->first with ->last.
566 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
567 to add_var_loc_to_decl.
569 * dwarf2out.c (output_call_frame_info): For dw_cie_version
570 >= 4 add also address size and segment size fields into CIE header.
572 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
573 long as address size is the same as sizeof (void *) and
575 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
576 address size or segment size is unexpected, return DW_EH_PE_omit.
577 (classify_object_over_fdes): If get_cie_encoding returned
578 DW_EH_PE_omit, return -1.
579 (init_object): If classify_object_over_fdes returned -1,
580 pretend there were no FDEs at all.
582 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
584 * config/i386/i386.md (bswap<mode>2): Macroize expander from
585 bswap{si,di}2 using SWI48 mode iterator.
586 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
587 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
588 set modrm attribute of bswap insn to 0 and remove length attribute.
589 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
590 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
591 set mode attribute to <MODE> and remove length attribute.
593 2010-04-20 James E. Wilson <wilson@codesourcery.com>
595 PR rtl-optimization/43520
596 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
597 zero available registers.
599 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
601 * builtins.c (fold_builtin_cproj): Fold more cases.
603 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
605 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
606 (fold_builtin_1): Fold builtin cproj.
607 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
608 Use ATTR_CONST_NOTHROW_LIST.
610 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
612 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
613 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
614 ffsi2_no_cmove for !TARGET_CMOVE.
615 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
616 (ffssi2): Remove expander.
617 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
619 (ctz<mode>2): Ditto from ctz{si,di}2.
620 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
622 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
625 2010-04-20 Jakub Jelinek <jakub@redhat.com>
627 * dwarf2out.c (AT_linkage_name): Define.
628 (clone_as_declaration): Handle DW_AT_linkage_name.
629 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
630 of DW_AT_MIPS_linkage_name.
631 (move_linkage_attr): Likewise.
632 (dwarf2out_finish): Likewise.
634 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
637 * fold-const.c (fold_comparison): New folding rule.
639 2010-04-20 Anatoly Sokolov <aesok@post.ru>
641 * double-int.h (double_int_setbit): Declare.
642 * double-int.c (double_int_setbit): New function.
643 * rtl.h (immed_double_int_const): Declare.
644 * emit-rtl.c (immed_double_int_const): New function.
645 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
646 and immed_double_int_const functions.
647 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
648 expand_copysign_bit): (Ditto.).
649 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
650 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
651 * dojump.c (prefer_and_bit_test): (Ditto.).
652 * expr.c (convert_modes, reduce_to_bit_field_precision,
653 const_vector_from_tree): (Ditto.).
654 * expmed.c (mask_rtx, lshift_value): (Ditto.).
656 2010-04-20 Jan Hubicka <jh@suse.cz>
658 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
659 (dump_cgraph_node): Dump new flags.
660 * cgraph.h (struct cgraph_node): Add flags
661 reachable_from_other_partition and in_other_partition.
662 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
663 other partition can not be removed.
664 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
665 the other partition must be output; silence sanity checking on
666 leaking functions bodies from other paritition.
667 * lto-cgraph.c (reachable_from_other_partition_p): New function.
668 (lto_output_node): Output new flags; do not sanity check that inline
669 clones are output; drop lto_forced_extern_inline_p code; do not mock
670 visibility flags at partition boundaries.
671 (add_node_to): New function.
672 (output_cgraph): Use it to sort functions so masters appear before
674 (input_overwrite_node): Input new flags.
675 * passes.c (ipa_write_summaries): Do not call
676 lto_new_extern_inline_states.
677 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
678 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
679 lto_forced_extern_inline_p): Kill.
680 * lto-streamer.h (lto_new_extern_inline_states,
681 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
682 lto_forced_extern_inline_p): Kill.
684 2010-04-20 Richard Guenther <rguenther@suse.de>
686 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
687 from vars that can have pointers.
688 (process_constraint): Dump useless constraints.
690 2010-04-20 Richard Guenther <rguenther@suse.de>
692 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
693 (dump_sa_points_to_info): Remove asserts.
694 (init_base_vars): nothing_id isn't an escape point nor does it
697 2010-04-20 Jakub Jelinek <jakub@redhat.com>
699 * tree.h (TYPE_REF_IS_RVALUE): Define.
700 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
701 should_move_die_to_comdat, prune_unused_types_walk): Handle
702 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
703 (modified_type_die, gen_reference_type_die): Emit
704 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
705 if TYPE_REF_IS_RVALUE and -gdwarf-4.
707 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
710 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
711 calls for -fpic -m31 if they have been sibcall optimized.
713 2010-04-19 James E. Wilson <wilson@codesourcery.com>
715 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
716 ar.lc fixed and call-used.
718 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
720 2010-04-19 Jan Hubicka <jh@suse.cz>
722 * opts.c (decode_options): Disable whpr incompatible passes.
723 * lto/lto.c (lto_1_to_1_map): Skip clones.
724 (read_cgraph_and_symbols): Do not mark everything as needed.
725 (do_whole_program_analysis): Do map only after optimizing;
726 set proper cgraph_state; use passmanager.
728 2010-04-19 DJ Delorie <dj@redhat.com>
730 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
731 POINTER_PLUS_EXPR and fix them.
733 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
735 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
736 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
737 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
738 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
739 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
740 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
741 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
742 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
743 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
744 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
745 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
747 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
749 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
750 (check_cond_move_block): Likewise.
751 (cond_move_process_if_block): Likewise.
752 (noce_find_if_block): Improve formatting.
753 (find_if_header): Pass 0 to memset and tweak conditions.
754 (cond_exec_find_if_block): Fix long lines and tweak conditions.
756 2010-04-19 Jakub Jelinek <jakub@redhat.com>
758 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
762 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
763 with non-local decl doesn't need chain.
765 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
767 * ira-color.c (allocno_reload_assign): Avoid accumulating
768 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
770 2010-04-19 Martin Jambor <mjambor@suse.cz>
772 * gimple.h (create_tmp_reg): Declare.
773 * gimplify.c (create_tmp_reg): New function.
774 (gimplify_return_expr): Use create_tmp_reg.
775 (gimplify_omp_atomic): Likewise.
776 (gimple_regimplify_operands): Likewise.
777 * tree-dfa.c (make_rename_temp): Likewise.
778 * tree-predcom.c (predcom_tmp_var): Likewise.
779 (reassociate_to_the_same_stmt): Likewise.
780 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
781 (get_replaced_param_substitute): Likewise.
782 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
783 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
784 * tree-ssa-pre.c (get_representative_for): Likewise.
785 (create_expression_by_pieces): Likewise.
786 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
787 (create_tailcall_accumulator): Likewise.
789 2010-04-19 Martin Jambor <mjambor@suse.cz>
791 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
793 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
795 2010-04-19 Richard Guenther <rguenther@suse.de>
797 PR tree-optimization/43796
798 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
799 from SCEV in the lattice.
800 (vrp_visit_phi_node): Dump change.
802 2010-04-19 Richard Guenther <rguenther@suse.de>
804 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
805 * configure: Re-generated.
807 2010-04-19 Richard Guenther <rguenther@suse.de>
809 PR tree-optimization/43783
810 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
811 constant ARRAY_REF operands two and three if possible.
813 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
816 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
818 2010-04-19 Jie Zhang <jie@codesourcery.com>
821 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
823 2010-04-19 Ira Rosen <irar@il.ibm.com>
825 PR tree-optimization/37027
826 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
827 and macro to access it.
828 (vectorizable_reduction): Add argument.
829 (vect_get_slp_defs): Likewise.
830 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
831 statements for possible use in SLP.
832 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
833 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
834 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
836 (vectorizable_reduction): Likewise.
837 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
839 (vectorizable_type_demotion, vectorizable_type_promotion,
840 vectorizable_store): Likewise.
841 (vect_analyze_stmt): Update call to vectorizable_reduction.
842 (vect_transform_stmt): Likewise.
843 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
844 (vect_build_slp_tree): Fix indentation. Check that there are no loads
845 from different interleaving chains in same node.
846 (vect_slp_rearrange_stmts): New function.
847 (vect_supported_load_permutation_p): Allow load permutations for
848 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
849 inside SLP nodes if necessary.
850 (vect_analyze_slp_instance): Handle reductions.
851 (vect_analyze_slp): Try to build SLP instances originating from groups
853 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
854 (vect_get_constant_vectors): Create initial vectors for reductions
855 according to reduction code. Add new argument.
856 (vect_get_slp_defs): Add new argument, pass it to
857 vect_get_constant_vectors.
858 (vect_schedule_slp_instance): Remove SLP tree root statements.
860 2010-04-19 Jakub Jelinek <jakub@redhat.com>
862 * tree.h (ENUM_IS_SCOPED): Define.
863 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
864 for ENUM_IS_SCOPED enums.
866 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
868 * fold-const.c (fold_comparison): Use ssizetype.
869 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
870 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
871 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
872 * tree-object-size.c (compute_object_sizes): Use size_type_node.
874 * tree.h (initialize_sizetypes): Remove parameter.
875 (build_common_tree_nodes): Remove second parameter.
876 * stor-layout.c (initialize_sizetypes): Remove parameter.
877 Always create an unsigned type.
878 (set_sizetype): Assert that the passed type is unsigned and simplify.
879 * tree.c (build_common_tree_nodes): Remove second parameter.
880 Adjust call to initialize_sizetypes.
881 * c-decl.c (c_init_decl_processing): Remove second argument in call to
882 build_common_tree_nodes.
884 2010-04-18 Matthias Klose <doko@ubuntu.com>
886 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
888 2010-04-18 Ira Rosen <irar@il.ibm.com>
890 PR tree-optimization/43771
891 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
892 load permutation doesn't have gaps.
894 2010-04-18 Jan Hubicka <jh@suse.cz>
896 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
897 (sse_prologue_save_insn expander): Use new pattern.
898 (sse_prologue_save_insn1): New pattern and splitter.
899 (sse_prologue_save_insn): Update to deal also with 64bit aligned
901 * i386.c (setup_incoming_varargs_64): Do not compute jump
903 (ix86_gimplify_va_arg): Update alignment needed.
904 (ix86_local_alignment): Do not align all local arrays to 128bit.
906 2010-04-17 Jan Hubicka <jh@suse.cz>
908 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
910 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
912 * arm.md (negdi2): Remove redundant code to force values into a
915 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
917 * arm/bpabi.S: Add EABI alignment attributes to objects.
918 * arm/bpabi-v6m.S: Likewise.
919 * arm/crti.asm: Likewise.
920 * arm/crtn.asm: Likewise.
921 * arm/lib1funcs.asm: Likewise.
922 * arm/libunwind.S: Likewise.
924 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
926 * arm-protos.h (tune_params): New structure.
927 * arm.c (current_tune): New variable.
928 (arm_constant_limit): Delete.
929 (struct processors): Add pointer to the tune parameters.
930 (arm_slowmul_tune): New tuning option.
931 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
932 (all_cores): Adjust to pick up the tuning model.
933 (arm_constant_limit): New function.
934 (arm_override_options): Select the appropriate tuning model. Delete
935 initialization of arm_const_limit.
936 (arm_split_constant): Use the new constant-limit model.
937 (arm_rtx_costs): Pick up the current tuning model.
938 * arm.md (is_strongarm, is_xscale): Delete.
939 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
940 for Xscale variant architectures.
941 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
943 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
945 * config/arm/arm.c (arm_gen_constant): Remove unused variable
947 (arm_rtx_costs_1): Remove unused variable extra_cost.
948 (arm_unwind_emit_set): Use variable offset.
949 (thumb1_output_casesi): Remove unused variable flags.
951 2010-04-16 Jeff Law <law@redhat.com>
953 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
954 needing assignment rather than doing a two-phase assignment. Remove
957 2010-04-16 Jakub Jelinek <jakub@redhat.com>
960 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
962 2010-04-16 Doug Kwan <dougkwan@google.com>
964 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
965 (next_operand_entry_id): New static variable.
966 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
967 (add_to_ops_vec): Assigned unique ID to operand entry.
968 (struct oecount_s): New field ID.
969 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
970 (undistribute_ops_list): Assign unique IDs to oecounts.
971 (init_reassoc): reset next_operand_entry_id.
973 2010-04-16 Doug Kwan <dougkwan@google.com>
975 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
976 missing left parenthesis.
978 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
980 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
981 *btdi_rex64 using SWI48 mode iterator.
982 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
983 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
984 *jcc_btdi_mask_rex64.
986 2010-04-16 Anatoly Sokolov <aesok@post.ru>
988 * double-int.h (tree_to_double_int): Convert to macro.
989 * double-int.c (tree_to_double_int): Remove.
991 2010-04-16 Jakub Jelinek <jakub@redhat.com>
994 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
995 with want_address 2 and in case a single element list might be
996 possible, call it again with want_address 0.
998 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1000 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1001 case 'W' print operands for HI mode.
1002 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1003 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1004 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1005 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1007 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1009 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1010 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1011 #xx:3 and #xx:4 mode.
1013 * config/h8300/h8300.md (inverted load with HImode dest): Add
1014 support for H8300SX.
1016 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1017 satisfy 'U' constraint.
1019 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1021 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1022 * configure: Regenerate.
1023 * config.in: Regenerate.
1024 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1027 2010-04-16 Richard Guenther <rguenther@suse.de>
1029 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1030 (struct tree_decl_common): ... here.
1031 (DECL_PT_UID): Adjust.
1032 (SET_DECL_PT_UID): Likewise.
1033 (DECL_PT_UID_SET_P): Likewise.
1035 2010-04-16 Richard Guenther <rguenther@suse.de>
1037 PR tree-optimization/43572
1038 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1039 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1040 * tree-flow.h (is_call_clobbered): Remove.
1041 * tree-flow-inline.h (is_call_clobbered): Likewise.
1042 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1043 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1044 (execute_return_slot_opt): Adjust.
1045 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1046 check for call clobbered vars here.
1047 (find_tail_calls): Move tailcall verification to the
1050 2010-04-16 Diego Novillo <dnovillo@google.com>
1052 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1054 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1057 * config/arm/arm.md (cbranchqi4): New pattern.
1058 * config/arm/predicates.md (const0_operand,
1059 cbranchqi4_comparison_operator): New predicates.
1061 2010-04-16 Richard Guenther <rguenther@suse.de>
1063 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1064 (dump_gimple_stmt): Likewise.
1066 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1068 * recog.h (struct recog_data): New field is_operator.
1069 (struct insn_operand_data): New field is_operator.
1070 * recog.c (extract_insn): Set recog_data.is_operator.
1071 * genoutput.c (output_operand_data): Emit code to set the
1073 * reload.c (find_reloads): Use it rather than testing for an
1074 empty constraint string.
1077 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1078 If the previous insn is a cbranchsi4_insn with the same arguments,
1079 omit the compare instruction.
1081 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1082 register, inputs must be low registers and we need a low register
1083 scratch. Handle alternative 2 like alternative 3.
1085 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1087 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1088 don't call get_addr on both. If one expression is a VALUE and
1089 the other a REG, check VALUE's locs if the REG isn't among them.
1091 2010-04-16 Christian Bruel <christian.bruel@st.com>
1093 * config/sh/sh.h (sh_frame_pointer_required): New function.
1094 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1095 (flag_omit_frame_pointer) Set.
1096 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1097 (rounded_frame_size): Adjust size with outgoing_args_size.
1098 (sh_set_return_address): Must return from stack pointer.
1099 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1100 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1101 (ACCUMULATE_OUTGOING_ARGS): Define.
1102 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1103 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1105 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1108 * config/sh/sh.c (sh_legitimize_reload_address): Use
1109 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1110 Remove a unneeded check for offset_base.
1112 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1114 * configure: Regenerated.
1116 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1118 * config/s390/s390.c (s390_call_save_register_used): Switch back
1119 to HARD_REGNO_NREGS.
1121 2010-04-15 Richard Guenther <rguenther@suse.de>
1123 * alias.c (alias_set_subset_of): Handle alias-set zero
1126 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1127 Julian Brown <julian@codesourcery.com>
1129 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1130 alternatives according to use of high and low regs.
1131 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1132 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1133 optimizing for size on Thumb-2.
1135 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1137 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1139 2010-04-15 Richard Guenther <rguenther@suse.de>
1141 * tree-ssa-structalias.c (struct variable_info): Add
1143 (new_var_info): Initialize it.
1144 (dump_constraints): Support printing last added constraints.
1145 (debug_constraints): Adjust.
1146 (dump_constraint_graph): Likewise.
1147 (make_heapvar_for): Check for NULL cfun.
1148 (get_function_part_constraint): New function.
1149 (get_fi_for_callee): Likewise.
1150 (find_func_aliases): Properly implement IPA PTA constraints.
1151 (process_ipa_clobber): New function.
1152 (find_func_clobbers): Likewise.
1153 (insert_into_field_list_sorted): Remove.
1154 (create_function_info_for): Properly allocate vars for IPA mode.
1155 Do not use insert_into_field_list_sorted.
1156 (create_variable_info_for): Properly generate constraints for
1157 global vars in IPA mode.
1158 (dump_solution_for_var): Always dump the solution.
1159 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1160 (find_what_var_points_to): Adjust.
1161 (pt_solution_set): Change.
1162 (pt_solution_ior_into): New function.
1163 (pt_solution_empty_p): Export.
1164 (pt_solution_includes_global): Adjust.
1165 (pt_solution_includes_1): Likewise.
1166 (pt_solutions_intersect_1): Likewise.
1167 (dump_sa_points_to_info): Check some invariants.
1168 (solve_constraints): Move constraint dumping ...
1169 (compute_points_to_sets): ... here.
1170 (ipa_pta_execute): ... and here.
1171 (compute_may_aliases): Do not re-compute points-to info
1172 locally if IPA info is available.
1173 (ipa_escaped_pt): New global var.
1174 (ipa_pta_execute): Properly implement IPA PTA.
1175 * tree-into-ssa.c (dump_decl_set): Support dumping
1176 decls not in referenced-vars.
1177 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1178 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1179 (dump_points_to_solution): Likewise.
1180 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1181 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1182 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1183 (copy_decl_to_var): Copy DECL_PT_UID.
1184 (copy_result_decl_to_var): Likewise.
1185 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1186 (copy_node_stat): Copy it.
1187 * tree.h (DECL_PT_UID): New macro.
1188 (SET_DECL_PT_UID): Likewise.
1189 (DECL_PT_UID_SET_P): Likewise.
1190 (struct tree_decl_minimal): Add pt_uid member.
1191 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1192 (pt_solution_empty_p): Declare.
1193 (pt_solution_set): Adjust.
1194 (ipa_escaped_pt): Declare.
1195 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1196 * gimple-pretty-print.c (pp_points_to_solution): New function.
1197 (dump_gimple_call): Dump call clobber/use information.
1198 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1199 * tree-pass.h (TDF_ALIAS): New dump option.
1200 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1201 * doc/invoke.texi (-fipa-pta): Update documentation.
1203 2010-04-15 Richard Guenther <rguenther@suse.de>
1205 * Makefile.in (OBJS-common): Add gimple-fold.o.
1206 (gimple-fold.o): New rule.
1207 * tree.h (maybe_fold_offset_to_reference,
1208 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1210 * gimple.h: ... here.
1211 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1212 may_propagate_address_into_dereference): Move prototypes ...
1213 * gimple.h: ... here.
1214 * tree-ssa-ccp.c (get_symbol_constant_value,
1215 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1216 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1217 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1218 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1219 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1220 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1221 gimplify_and_update_call_from_tree): Move ...
1222 * gimple-fold.c: ... here. New file.
1223 (ccp_fold_builtin): Rename to ...
1224 (gimple_fold_builtin): ... this.
1225 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1227 2010-04-15 Richard Guenther <rguenther@suse.de>
1229 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1230 fit_double_type, force_fit_type_double, add_double_with_sign,
1231 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1232 lrotate_double, rrotate_double, div_and_round_double): Move ...
1233 * double-int.c: ... here.
1234 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1235 add_double, neg_double, mul_double_with_sign, mul_double,
1236 lshift_double, rshift_double, lrotate_double, rrotate_double,
1237 div_and_round_double): Move prototypes ...
1238 * double-int.h: ... here.
1240 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1243 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1244 matching constraints to ensure inputs match the output.
1246 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1249 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1250 in an input-only operand.
1252 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1254 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1255 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1256 (double_int_negative_p): Convert to static inline function.
1257 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1258 (double_int_negative_p): Remove.
1259 * tree.h (lshift_double, rshift_double):
1260 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1261 * fold-const.c (fold_convert_const_int_from_real,
1262 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1263 (lshift_double): Change type of arith argument to bool.
1264 (rshift_double): Change type of arith argument to bool. Correct
1266 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1268 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1271 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1272 at the start and end of the then/else blocks, and omit them from the
1274 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1275 argument; all callers changed. Pass zero to old_insns_match_p instead.
1276 (flow_find_head_matching_sequence): New function.
1277 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1278 * basic-block.h (flow_find_cross_jump,
1279 flow_find_head_matching_sequence): Declare functions.
1281 2010-04-14 Jason Merrill <jason@redhat.com>
1284 * c-common.c (attribute_takes_identifier_p): New fn.
1285 * c-common.h: Declare it.
1287 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1289 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1291 (*udivmod<mode>4): Ditto.
1293 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1295 * config/i386/i386.md (maxmin_int): Rename code attribute from
1296 maxminiprefix and update all users.
1297 (maxmin_float): Ditto from maxminfprefix.
1298 (logic): Ditto from logicprefix.
1299 (absneg_mnemonic): Ditto from absnegprefix.
1300 * config/i386/mmx.md: Update all users of maxminiprefix,
1301 maxminfprefix and logicprefix for rename.
1302 * config/i386/sse.md: Ditto.
1303 * config/i386/sync.md (sync_<code><mode>): Update for
1306 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1309 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1310 warnings converted to errors.
1312 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1314 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1315 used insn_type variable.
1316 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1317 to avoid set-but-not-used warning.
1319 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1321 * df-core.c (df_ref_debug): Change format string placeholder
1323 * dwarf2asm.c (dw2_asm_output_data_raw,
1324 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1325 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1326 * dwarf2out.c (output_cfi, output_cfi_directive,
1327 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1328 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1330 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1331 * print-rtl.c (print_rtx): Ditto.
1333 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1336 * builtins.c (expand_builtin_pow_root): New function to expand pow
1337 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1338 series of sqrt and cbrt calls under -ffast-math.
1339 (expand_builtin_pow): Call it.
1341 2010-04-14 Michael Matz <matz@suse.de>
1343 PR tree-optimization/42963
1344 * tree-cfg.c (touched_switch_bbs): New static variable.
1345 (group_case_labels_stmt): New function broken out from ...
1346 (group_case_labels): ... here, use the above.
1347 (start_recording_case_labels): Allocate touched_switch_bbs.
1348 (end_recording_case_labels): Deallocate it, call
1349 group_case_labels_stmt.
1350 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1352 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1354 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1357 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1359 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1361 2010-04-13 Jan Hubicka <jh@suse.cz>
1363 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1364 of optimized out static functions.
1365 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1366 cost computation. Also sanity check for overflows.
1367 (update_caller_keys): Update cgraph_edge_badness call; properly
1368 update fibheap and sanity check that it is up to date.
1369 (add_new_edges_to_heap): Update cgraph_edge_badness.
1370 (cgraph_decide_inlining_of_small_function): Likewise;
1371 add sanity checking that badness in heap is up to date;
1372 improve dumping of reason; Update badness of calls to the
1373 offline copy of function currently inlined; dump badness
1374 of functions not inlined because of unit growth limits.
1376 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1379 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1380 because of sign-extension change when converting to sizetype here...
1381 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1383 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1384 the folding to constants. Remove redundant final conversion.
1385 (fold_binary) <associate>: Do not associate if the re-association of
1386 constants alone overflows.
1387 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1388 to the end of the list.
1389 (multiple_of_p) <COND_EXPR>: New case.
1391 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1393 * opt-functions.awk (opt_sanitized_name): New.
1395 * optc-gen.awk: Use it
1396 * opth-gen.awk: Use it.
1398 2010-04-13 Martin Jambor <mjambor@suse.cz>
1400 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1401 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1402 children. Call replace_uses_with_default_def_ssa_name to handle
1405 2010-04-13 Michael Matz <matz@suse.de>
1408 * builtins.c (expand_builtin_interclass_mathfn): Also create
1409 a register if the predicate doesn't match.
1411 2010-04-13 Diego Novillo <dnovillo@google.com>
1413 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1414 * c-pch.c: Include timevar.h.
1415 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1416 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1417 * ggc-common.c: Include timevar.h.
1418 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1419 * timevar.def (TV_PCH_SAVE): Define.
1420 (TV_PCH_CPP_SAVE): Define.
1421 (TV_PCH_PTR_REALLOC): Define.
1422 (TV_PCH_PTR_SORT): Define.
1423 (TV_PCH_RESTORE): Define.
1424 (TV_PCH_CPP_RESTORE): Define.
1426 2010-04-13 Michael Matz <matz@suse.de>
1428 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1430 (can_reassociate_p): New function.
1431 (break_up_subtract_bb, reassociate_bb): Use it.
1433 2010-04-13 Richard Guenther <rguenther@suse.de>
1436 * builtins.c (c_readstr): Fix assert.
1438 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1440 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1441 when generating cltd insn.
1443 (*ashl<mode>3_1): Remove special handling for register operand 2.
1444 (*ashlsi3_1_zext): Ditto.
1445 (*ashlhi3_1): Ditto.
1446 (*ashlhi3_1_lea): Ditto.
1447 (*ashlqi3_1): Ditto.
1448 (*ashlqi3_1_lea): Ditto.
1449 (*<shiftrt_insn><mode>3_1): Ditto.
1450 (*<shiftrt_insn>si3_1_zext): Ditto.
1451 (*<shiftrt_insn>qi3_1_slp): Ditto.
1452 (*<rotate_insn><mode>3_1): Ditto.
1453 (*<rotate_insn>si3_1_zext): Ditto.
1454 (*<rotate_insn>qi3_1_slp): Ditto.
1456 2010-04-13 Richard Guenther <rguenther@suse.de>
1458 * tree-ssa-structalias.c (callused_id): Remove.
1459 (call_stmt_vars): New.
1460 (get_call_vi): Likewise.
1461 (lookup_call_use_vi): Likewise.
1462 (lookup_call_clobber_vi): Likewise.
1463 (get_call_use_vi): Likewise.
1464 (get_call_clobber_vi): Likewise.
1465 (make_transitive_closure_constraints): Likewise.
1466 (handle_const_call): Adjust to do per-call call-used handling.
1467 (handle_pure_call): Likewise.
1468 (find_what_var_points_to): Remove general callused handling.
1469 (init_base_vars): Likewise.
1470 (init_alias_vars): Initialize call_stmt_vars.
1471 (compute_points_to_sets): Process call-used and call-clobbered
1472 vars for call statements.
1473 (delete_points_to_sets): Free call_stmt_vars.
1475 2010-04-13 Richard Guenther <rguenther@suse.de>
1477 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1478 Only add RW dependence for dependence distance zero.
1479 Adjust maximal vectorization factor according to dependences.
1480 Move alignment handling ...
1481 (vect_find_same_alignment_drs): ... here. New function.
1482 (vect_analyze_data_ref_dependences): Adjust.
1483 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1484 (vect_analyze_data_refs): Adjust minimal vectorization factor
1485 according to data references.
1486 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1487 dependences before determining the vectorization factor.
1488 Analyze alignment after determining the vectorization factor.
1489 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1490 dependences before alignment.
1491 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1493 (vect_analyze_data_refs): Likewise.
1494 (MAX_VECTORIZATION_FACTOR): New define.
1496 2010-04-13 Duncan Sands <baldrick@free.fr>
1498 * except.h (lang_eh_type_covers): Remove.
1499 * except.c (lang_eh_type_covers): Likewise.
1501 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1502 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1504 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1505 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1506 UNITS_PER_LONG where it is ABI relevant.
1507 (s390_return_addr_rtx): Likewise.
1508 (s390_back_chain_rtx): Likewise.
1509 (s390_frame_area): Likewise.
1510 (s390_frame_info): Likewise.
1511 (s390_initial_elimination_offset): Likewise.
1512 (save_gprs): Likewise.
1513 (s390_emit_prologue): Likewise.
1514 (s390_emit_epilogue): Likewise.
1515 (s390_function_arg_advance): Likewise.
1516 (s390_function_arg): Likewise.
1517 (s390_va_start): Likewise.
1518 (s390_gimplify_va_arg): Likewise.
1519 (s390_function_profiler): Likewise.
1520 (s390_optimize_prologue): Likewise.
1521 (s390_rtx_costs): Likewise.
1522 (s390_secondary_reload): Likewise.
1523 (s390_promote_function_mode): Likewise.
1524 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1525 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1526 registers available.
1527 (s390_unwind_word_mode): New function.
1528 (s390_function_value): Split 64 bit values into register pair if
1529 used as return value.
1530 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1531 function call parameters. Handle parallels.
1532 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1533 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1534 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1535 (s390_expand_setmem): Remove unused variable src_addr.
1536 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1537 deal with 64 bit registers.
1538 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1539 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1540 (UNITS_PER_LONG): New macro.
1541 * libjava/include/s390-signal.h: Define extended ucontext
1542 structure containing the upper halfs of the 64 bit registers.
1544 2010-04-13 Simon Baldwin <simonb@google.com>
1546 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1548 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1550 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1551 rvalue on the RHS if the LHS is of a non-renamable type.
1552 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1554 2010-04-13 Matthias Klose <doko@ubuntu.com>
1556 * gcc.c (cc1_options): Handle -iplugindir before processing
1557 the cc1 spec. Only add -iplugindir once.
1558 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1560 * common.opt (iplugindir): Remove `Separate' property, initialize.
1561 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1563 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1564 (distclean): Remove plugin dir.
1565 * doc/invoke.texi: Document -iplugindir.
1567 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1569 * doc/plugins.texi (Loading Plugins): Document short
1570 -fplugin=foo option.
1571 (Plugin API): Mention default_plugin_dir_name function.
1573 * gcc.c (find_file_spec_function): Add new declaration.
1574 (static_spec_func): Use it for "find-file".
1575 (find_file_spec_function): Add new function.
1576 (cc1_options): Add -iplugindir option if -fplugin* options found.
1578 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1580 * plugin.c (add_new_plugin): Updated comment, and handle short
1582 (default_plugin_dir_name): Added new function.
1584 * common.opt (iplugindir): New option to set the plugin directory.
1586 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1588 * config/i386/i386.md (any_rotate): New code iterator.
1589 (rotate_insn): New code attribute.
1591 (SWIM124): New mode iterator.
1592 (<rotate_insn>ti3): New expander.
1593 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1594 any_rotate code iterator.
1595 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1596 using any_rotate code iterator and SWIM124 mode iterator.
1597 (ix86_rotlti3): New insn_and_split pattern.
1598 (ix86_rotrti3): Ditto.
1599 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1600 ix86_rotl{di,ti}3 patterns.
1601 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1602 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1603 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1604 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1605 code iterator and SWI mode iterator.
1606 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1607 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1609 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1610 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1611 (bswap rotatert splitter): Add splitter.
1612 (bswap splitter): Macroize splitter using any_rotate code iterator.
1613 Add insn predicate to split only for TARGET_USE_XCHGB or when
1614 optimizing function for size.
1616 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1618 * config/pa/pa.c (emit_move_sequence): Remove use of
1619 deleted variable flag_argument_noalias.
1621 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1623 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1625 Add to unsupported targets list.
1626 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1627 sparc*-sun-solaris2.[567]* from target lists.
1628 * configure: Regenerate.
1629 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1631 Remove Solaris 7 patch references.
1632 (Specific, sparc-sun-solaris2.7): Removed.
1633 (sparc-sun-solaris2*): Update Solaris 7 example.
1634 (sparc64-*-solaris2*): Likewise.
1636 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1638 * config.build (alpha*-dec-osf4*): Remove.
1639 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1640 of obsolete configurations.
1641 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1643 * config/alpha/t-osf4: Renamed to ...
1644 * config/alpha/t-osf5: ... this.
1645 * config/alpha/osf.h: Renamed to ...
1646 * config/alpha/osf5.h: ... this.
1647 Merged old osf5.h contents.
1649 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1650 (EXTRA_SPECS): Removed.
1651 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1652 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1655 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1657 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1659 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1662 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1663 __thiscall convention.
1665 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1667 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1669 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1671 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1673 * function.c (assign_parms_initialize_all): Add unused attribute
1676 2010-04-12 Richard Guenther <rguenther@suse.de>
1678 * gsstruct.def (GSS_CALL): New.
1679 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1680 * gimple.h: Include tree-ssa-alias.h.
1681 (struct gimple_statement_call): New.
1682 (union gimple_statement_struct_d): Add gimple_call member.
1683 (gimple_call_reset_alias_info): Declare.
1684 (gimple_call_use_set): New function.
1685 (gimple_call_clobber_set): Likewise.
1686 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1687 * gimple.c (gimple_call_reset_alias_info): New function.
1688 (gimple_build_call_1): Call it.
1689 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1690 * tree-inline.c (remap_gimple_stmt): Likewise.
1691 (expand_call_inline): Remove callused handling.
1692 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1693 * tree-dfa.c (dump_variable): Likewise.
1694 * tree-parloops.c (parallelize_loops): Likewise.
1695 * tree-ssa.c (init_tree_ssa): Likewise.
1696 (delete_tree_ssa): Likewise.
1697 * tree-flow-inline.h (is_call_used): Remove.
1698 * tree-flow.h (struct gimple_df): Remove callused member.
1699 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1700 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1701 (ref_maybe_used_by_call_p_1): Simplify.
1702 (call_may_clobber_ref_p_1): Likewise.
1703 * tree-ssa-structalias.c (compute_points_to_sets): Set
1704 the call stmt used and clobbered sets.
1705 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1706 (find_tail_calls): Verify the tail call.
1708 2010-04-12 Richard Guenther <rguenther@suse.de>
1710 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1711 single-iteration always-inline inlining.
1712 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1713 (cgraph_decide_inlining): Do not handle always-inline specially.
1714 (try_inline): Remove always-inline cycle detection special case.
1715 Do not recurse on always-inlines.
1716 (cgraph_early_inlining): Do not iterate if not optimizing.
1717 (cgraph_gate_early_inlining): remove.
1718 (pass_early_inline): Run unconditionally.
1719 (gate_cgraph_decide_inlining): New function.
1720 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1721 not inlining or optimizing.
1722 (cgraph_decide_inlining_of_small_functions): Also consider
1723 always-inline functions.
1724 (cgraph_default_inline_p): Return true for nodes which should
1725 disregard inline limits.
1726 (estimate_function_body_sizes): Assume zero size and time for
1727 nodes which are marked as disregarding inline limits.
1728 (cgraph_decide_recursive_inlining): Do not perform recursive
1729 inlining on always-inline nodes.
1731 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1734 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1735 for exprs satisfying handled_component_p.
1737 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1739 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1740 non-constant aggregate elements.
1742 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1743 is a real initialization.
1745 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1748 * c-decl.c (start_function): Move forward check for nested function.
1750 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1752 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1753 * config/sh/sh.c: Include reload.h.
1754 (sh_legitimize_reload_address): New.
1755 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1756 sh_legitimize_reload_address.
1758 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1760 * config/sh/sh.md (*movqi_pop): New insn pattern.
1761 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1763 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1765 * config/i386/i386.md (any_shiftrt): New code iterator.
1766 (shiftrt_insn): New code attribute.
1768 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1769 using any_shiftrt code iterator.
1770 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1771 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1772 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1773 pattern from corresponding peephole2 patterns.
1774 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1775 using any_shiftrt code iterator.
1776 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1777 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1778 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1779 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1780 *{ashr,lshr}<mode>3_cmp_zext.
1781 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1783 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1785 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1787 (*lshr<mode>3_cconly): Ditto.
1789 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1791 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1792 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1793 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1794 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1796 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1797 from corresponding peephole2 patterns.
1798 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1799 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1800 and *lshrdi3_1_rex64 using SWI mode iterator.
1801 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1802 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1803 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1804 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1805 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1806 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1807 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1808 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1809 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1812 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1814 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1815 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1816 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1817 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1819 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1820 from corresponding peephole2 patterns.
1821 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1822 (ashrsi3_cvt): Rename from ashrsi3_31.
1823 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1824 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1825 and x86_64_shift_adj_3 using SWI48 mode iterator.
1826 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1827 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1828 and *ashrdi3_1_rex64 using SWI mode iterator.
1829 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1830 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1831 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1832 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1833 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1834 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1835 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1836 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1837 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1839 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1840 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1841 x86_shift<mode>_adj_3 expanders.
1843 2010-04-10 Wei Guozhi <carrot@google.com>
1846 * config/arm/arm.c (arm_pic_static_addr): New function.
1847 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1849 (arm_output_addr_const_extra): Output expression for new pattern.
1850 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1852 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1854 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1857 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1858 * web.c: Include "insn-config.h" and "recog.h".
1859 (union_match_dups): New function.
1860 (web_main): Call it.
1861 (union_defs): Don't try to recognize match_dups.
1863 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1864 if doing so would replace the entire pattern.
1866 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1870 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1871 and splitter pattern. Change splitter operand 1 predicate to
1874 2010-04-09 Martin Jambor <mjambor@suse.cz>
1876 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1877 lattices are addresses of CONST_DECLs with the same initial value.
1878 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1879 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1881 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1882 Bernd Schmidt <bernds@codesourcery.com>
1884 * loop-invariant.c (replace_uses): New static function.
1885 (move_invariant_reg): Use it to ensure we can replace the uses.
1887 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1889 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1891 (picochip_override_options): Enable section anchors only above -O1.
1892 (picochip_reorg): Fixed a couple of build warnings.
1894 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1896 * configure.ac (plugin -rdynamic test): Log result.
1897 * configure: Regenerate.
1898 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1899 (RDYNAMIC_SPEC): Define.
1900 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1902 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1904 * configure.ac: Determine Sun ld version numbers.
1905 (comdat_group): Restrict GNU ld version checks to gld.
1906 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1907 (enable_comdat): Support --enable-comdat.
1908 * configure: Regenerate.
1909 * doc/install.texi (Configuration): Document --enable-comdat.
1911 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1913 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1914 * config/sol2-gld.h: ... here.
1915 * config.gcc (sparc*-*-solaris2*): Reflect this.
1916 (i[34567]86-*-solaris2*): Use it.
1918 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1920 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1922 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1924 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1927 * diagnostic.c (diagnostic_initialize): Initialize
1928 some_warnings_are_errors.
1929 (diagnostic_finish): New.
1930 (diagnostic_action_after_output): Call it before exiting.
1931 (diagnostic_report_diagnostic): Do not print message here. Set
1932 some_warnings_are_errors.
1933 * diagnostic.h (diagnostic_context): Delete
1934 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1935 (diagnostic_finish): Declare.
1936 * toplev.c (toplev_main): Call it before exit.
1938 2010-04-09 Jason Merrill <jason@redhat.com>
1941 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1942 for incomplete type.
1945 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1946 based on a warning flag.
1948 2010-04-09 Richard Guenther <rguenther@suse.de>
1950 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1952 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1955 * varasm.c (default_assemble_visibility): Wrap vars that are
1956 set, but unused, by targets without GAS.
1957 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1958 Remove set, but unused, vars.
1959 (rs6000_legitimize_tls_address): Likewise.
1960 (altivec_expand_dst_builtin): Likewise.
1961 * config/darwin.c (machopic_classify_symbol): Likewise.
1962 (machopic_indirection_name): Likewise.
1964 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1966 * config/i386/i386.md (DWI): New mode iterator.
1967 (S): New mode attribute.
1968 (shift_operand): Ditto.
1969 (shift_immediate_operand): Ditto.
1970 (ashl_input_operand): Ditto.
1971 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1972 using SDWIM mode iterator.
1973 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1974 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1976 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1977 from corresponding peephole2 patterns.
1978 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1979 and x86_64_shift_adj_1 using SWI48 mode iterator.
1980 (x86_shift<mode>_adj_2): Ditto.
1981 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1982 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1983 using SWI48 mode iterator.
1984 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1985 *ashldi3_cmp_rex64 using SWI mode iterator.
1986 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1987 *ashldi3_cconly_rex64 using SWI mode iterator.
1988 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1989 x86_shift<mode>_adj_{1,2}.
1990 (ix86_split_ashr): Ditto.
1991 (ix86_split_lshr): Ditto.
1993 2010-04-09 Richard Guenther <rguenther@suse.de>
1995 * target.h (builtin_conversion): Pass in input and output types.
1996 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1997 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1998 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1999 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2001 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2003 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2005 2010-04-09 Richard Guenther <rguenther@suse.de>
2008 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2010 2010-04-09 Richard Guenther <rguenther@suse.de>
2012 * tree-vectorizer.h (struct _stmt_vec_info): Document
2013 that vectype is the type of the LHS.
2014 (supportable_widening_operation, supportable_narrowing_operation):
2015 Get both input and output vector types as arguments.
2016 (vect_is_simple_use_1): Declare.
2017 (get_same_sized_vectype): Likewise.
2018 * tree-vect-loop.c (vect_determine_vectorization_factor):
2019 Set STMT_VINFO_VECTYPE to the vector type of the def.
2020 (vectorizable_reduction): Adjust.
2021 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2022 Adjust. Specify the output vector type.
2023 (vect_pattern_recog_1): Adjust.
2024 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2025 (vectorizable_call): Adjust.
2026 (vectorizable_conversion): Likewise.
2027 (vectorizable_operation): Likewise.
2028 (vectorizable_type_demotion): Likewise.
2029 (vectorizable_type_promotion): Likewise.
2030 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2032 (vect_is_simple_use_1): New function.
2033 (supportable_widening_operation): Get both input and output
2035 (supportable_narrowing_operation): Likewise.
2036 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2038 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2040 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2041 __thiscall and _thiscall as predefined macros.
2042 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2043 thiscall attribute handling.
2044 (ix86_comp_type_attributes): Likewise.
2045 (ix86_function_regparm): Likewise.
2046 (ix86_return_pops_args): Likewise.
2047 (init_cumulative_args): Likewise.
2048 (find_drap_reg): Likewise.
2049 (ix86_static_chain): Likewise.
2050 (x86_this_parameter): Likewise.
2051 (x86_output_mi_thunk): Likewise.
2052 (ix86_attribute_table): Add description for thiscall attribute.
2053 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2054 * doc/extend.texi: Add documentation for thiscall.
2056 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2059 * c.opt (Wint-to-pointer-cast): Available in C++.
2060 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2062 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2064 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2065 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2066 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2067 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2068 function type instead. Reorder and simplify checks.
2070 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2072 2010-04-08 Jing Yu <jingyu@google.com>
2073 Zdenek Dvorak <ook@ucw.cz>
2075 PR tree-optimization/42720
2076 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2077 loop unswitch conditions here from ...
2078 (tree_unswitch_single_loop): ... here.
2080 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2082 * tree-if-conv.c: Fix comments and simplify logic.
2084 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2086 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2087 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2088 (main_tree_if_conversion): Update call to tree_if_conversion.
2090 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2093 * doc/invoke.texi (-b,-V): Delete.
2094 * doc/tm.texi: Do not mention -b.
2095 * gcc.c (display_help): Delete -b and -V.
2096 (process_command): Delete -b and -V.
2097 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2099 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2100 Wolfgang Gellerich <gellerich@de.ibm.com>
2102 Implement target hook for loop unrolling
2103 * target.h (loop_unroll_adjust): Add a new target hook function.
2104 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2105 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2106 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2107 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2108 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2110 (decide_unroll_stupid): Likewise.
2112 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2115 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2117 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2119 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2120 (Specific, *-*-solaris2*): Likewise.
2121 Don't prefer Sun as over GNU as.
2123 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2125 * config/s390/s390.c (override_options): Adjust the z10
2126 defaults for max-unroll-times, max-completely-peeled-insns
2127 and max-completely-peel-times.
2129 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2131 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2132 instructions for z10.
2133 (s390_expand_setmem): Likewise.
2134 (s390_expand_cmpmem): Likewise.
2136 2010-04-08 Richard Guenther <rguenther@suse.de>
2138 PR tree-optimization/43679
2139 * tree-ssa-pre.c (eliminate): Only propagate copies.
2141 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2144 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2145 set but not used variable warning.
2147 2010-04-08 Wei Guozhi <carrot@google.com>
2150 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2151 (arm_size_rtx_costs): Call the new function when optimized for size.
2153 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2156 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2157 op0 is not a MEM, just return NULL instead of assertion
2159 (discover_nonconstant_array_refs): Don't walk debug stmts.
2161 2010-04-08 Doug Kwan <dougkwan@google.com>
2163 * configure.ac: Recognize gold and do not use its version number
2164 to test ld features.
2165 * configure: Regenerate.
2167 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2170 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2171 (negate_value): Move code to push elements to broken_up_substracts ...
2172 (eliminate_plus_minus_pair): ... here. Push operands that have no
2173 negative pair to plus_negates.
2174 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2176 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2178 * doc/install.texi (Configuration): Move description of
2179 --enable-lto, --with-libelf*, --enable-gold from Java section to
2182 * doc/generic.texi (Working with declarations)
2183 (Function Properties, C and C++ Trees): Fix typos.
2184 * doc/sourcebuild.texi (Top Level): Likewise.
2186 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2189 * tree.h (DECL_READ_P): Define.
2190 (struct tree_decl_common): Add decl_read_flag.
2191 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2192 a set but not used warning.
2193 (merge_decls): Merge DECL_READ_P flag.
2194 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2195 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2196 * c-common.c (handle_used_attribute, handle_unused_attribute):
2198 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2200 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2202 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2203 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2204 c_parser_binary_expression, c_parser_cast_expression,
2205 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2206 Call default_function_array_read_conversion instead of
2207 default_function_array_conversion where needed.
2208 (c_parser_unary_expression, c_parser_conditional_expression,
2209 c_parser_postfix_expression_after_primary, c_parser_initelt):
2210 Likewise. Call mark_exp_read where needed.
2211 (c_parser_statement_after_labels, c_parser_asm_operands,
2212 c_parser_typeof_specifier, c_parser_sizeof_expression,
2213 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2215 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2217 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2218 (warn_unused_but_set_parameter): Default to warn_unused
2220 * doc/invoke.texi: Document -Wunused-but-set-variable and
2221 -Wunused-but-set-parameter.
2223 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2224 used count variable.
2225 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2226 when operandN variables aren't used in the body of the expander
2228 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2229 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2230 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2231 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2232 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2233 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2234 * tree.c (PROCESS_ARG): Likewise.
2236 2010-04-07 Simon Baldwin <simonb@google.com>
2238 * diagnostic.h (diagnostic_override_option_index): New macro to
2239 set a diagnostic's option_index.
2240 * c-tree.h (c_cpp_error): Add warning reason argument.
2241 * opts.c (_warning_as_error_callback): New.
2242 (register_warning_as_error_callback): Store callback for
2243 warnings enabled via enable_warning_as_error.
2244 (enable_warning_as_error): Call callback, minor code tidy.
2245 * opts.h (register_warning_as_error_callback): Declare.
2246 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2247 response to -Werror=.
2248 (c_common_init_options): Register warning_as_error_callback in opts.c.
2249 * common.opt: Add -Wno-cpp option.
2250 * c-common.c (struct reason_option_codes_t): Map cpp warning
2251 reason codes to gcc option indexes.
2252 * (c_option_controlling_cpp_error): New function, lookup the gcc
2253 option index for a cpp warning reason code.
2254 * (c_cpp_error): Add warning reason argument, call
2255 c_option_controlling_cpp_error for diagnostic_override_option_index.
2256 * doc/invoke.texi: Document -Wno-cpp.
2258 2010-04-07 Richard Guenther <rguenther@suse.de>
2260 * ipa-reference.c (mark_load): Use get_base_address.
2261 (mark_store): Likewise.
2263 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2264 inserting GIMPLE_NOPs into the IL.
2265 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2266 Explicitly strip handled components and indirect references.
2268 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2269 folding address expressions.
2270 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2271 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2272 operand_equal_p to compare decls.
2273 (ptr_deref_may_alias_decl_p): Likewise.
2274 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2275 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2276 Handle reversed comparison ops.
2277 * tree-sra.c (asm_visit_addr): Use get_base_address.
2278 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2279 * ipa-reference.c (mark_address): Use get_base_address.
2281 2010-04-07 Richard Guenther <rguenther@suse.de>
2283 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2284 Propagate constants everywhere.
2286 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2289 * tree.c (MAX_INT_CACHED_PREC): Define.
2290 (nonstandard_integer_type_cache): New array.
2291 (build_nonstandard_integer_type): Cache results for precision
2292 <= MAX_INT_CACHED_PREC.
2294 2010-04-07 Richard Guenther <rguenther@suse.de>
2296 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2297 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2298 * common.opt: Likewise.
2299 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2300 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2301 (nonoverlapping_memrefs_p): Likewise.
2302 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2303 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2304 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2305 OPT_fargument_noalias_global for backward compatibility.
2307 2010-04-07 Richard Guenther <rguenther@suse.de>
2309 PR tree-optimization/43270
2310 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2311 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2312 * tree-ssa-pre.c (phi_translate_1): Adjust.
2313 (fully_constant_expression): Split out vn_reference handling to ...
2314 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2315 Fold reads from constant strings.
2316 (vn_reference_lookup): Handle fully constant references.
2317 (vn_reference_lookup_pieces): Likewise.
2318 * Makefile.in (expmed.o-warn): Add -Wno-error.
2320 2010-04-07 Martin Jambor <mjambor@suse.cz>
2322 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2324 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2327 * gcc.c: Add -static-libstdc++ to list of recognized options.
2329 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2331 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2333 2010-04-07 Richard Guenther <rguenther@suse.de>
2336 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2337 bases build simple mem attributes to retain points-to information.
2339 2010-04-07 Richard Guenther <rguenther@suse.de>
2342 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2343 preserve points-to related information.
2345 2010-04-07 Richard Guenther <rguenther@suse.de>
2348 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2349 discard plain indirect references.
2350 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2351 * tree.c (tree_nop_conversion): Likewise.
2353 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2356 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2358 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2360 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2361 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2363 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2365 * tree-if-conv.c: Fix indentation and comments.
2367 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2369 * tree-if-conv.c: Sort static functions in topological order.
2371 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2373 * tree-if-conv.c: Fix indentation and comments.
2375 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2378 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2379 lang_hooks.types.type_for_size instead of
2380 build_nonstandard_integer_type.
2381 When converting an unsigned type to signed, double its precision.
2382 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2383 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2384 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2387 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2390 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2391 POINTER_PLUS_EXPR for pointer types.
2393 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2396 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2397 * graphite-clast-to-gimple.c: Include langhooks.h.
2398 (max_signed_precision_type): New.
2399 (max_precision_type): Takes two types as arguments.
2400 (precision_for_value): New.
2401 (precision_for_interval): New.
2402 (gcc_type_for_interval): New.
2403 (gcc_type_for_value): New.
2404 (gcc_type_for_clast_term): New.
2405 (gcc_type_for_clast_red): New.
2406 (gcc_type_for_clast_bin): New.
2407 (gcc_type_for_clast_expr): Split up into several functions.
2408 (gcc_type_for_clast_eq): Rewritten.
2409 (compute_bounds_for_level): New.
2410 (compute_type_for_level_1): New.
2411 (compute_type_for_level): New.
2412 (gcc_type_for_cloog_iv): Removed.
2413 (gcc_type_for_iv_of_clast_loop): Rewritten.
2414 (graphite_create_new_loop): Compute the lower and upper bound types
2415 with gcc_type_for_clast_expr.
2416 (graphite_create_new_loop_guard): Same.
2417 (find_cloog_iv_in_expr): Removed.
2418 (compute_cloog_iv_types_1): Removed.
2419 (compute_cloog_iv_types): Removed.
2420 (gloog): Do not call compute_cloog_iv_types.
2421 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2423 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2424 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2425 (GBB_CLOOG_IV_TYPES): Removed.
2427 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2429 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2430 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2431 (detect_commutative_reduction): Same.
2433 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2435 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2436 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2438 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2439 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2440 (rewrite_commutative_reductions_out_of_ssa): Same.
2441 * passes.c (execute_function_todo): Call verify_ssa for every pass
2442 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2443 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2444 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2445 with an extra argument.
2446 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2447 verify_ssa only when the extra argument is true.
2448 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2449 with an extra argument.
2450 (tree_transform_and_unroll_loop): Same.
2452 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2454 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2455 for all the passes of the LNO having LOOP_CLOSED_SSA.
2456 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2457 * tree-loop-distribution.c (pass_loop_distribution): Same.
2458 * tree-pass.h (TODO_verify_loops): Removed.
2459 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2461 (pass_tree_unswitch): Same.
2462 (pass_predcom): Same.
2463 (pass_vectorize): Same.
2464 (pass_linear_transform): Same.
2465 (pass_graphite_transforms): Same.
2466 (pass_iv_canon): Same.
2467 (pass_complete_unroll): Same.
2468 (pass_complete_unrolli): Same.
2469 (pass_parallelize_loops): Same.
2470 (pass_loop_prefetch): Same.
2471 (pass_iv_optimize): Same.
2473 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2476 * passes.c (init_optimization_passes): Move pass_lim before
2477 pass_copy_prop and pass_dce_loop.
2479 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2482 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2483 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2484 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2485 MULTI_* defines for 4 argument vpermil2p* builtins.
2487 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2489 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2490 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2491 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2492 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2493 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2494 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2495 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2496 Use x86_maybe_negate_const_int to output insn mnemonic.
2497 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2498 check from instruction predicate. Update comments.
2499 * config/i386/sync.md (sync_add<mode>): Use
2500 x86_maybe_negate_const_int to output insn mnemonic.
2502 2010-04-06 Jan Hubicka <jh@suse.cz>
2504 PR tree-optimization/42906
2505 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2506 IGNORE_SELF argument. Set visited_control_parents for fully
2508 (find_obviously_necessary_stmts): Update call of
2509 mark_control_dependent_edges_necessary.
2510 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2512 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2514 * config/i386/i386.md: Remove comment about 'e' and 'E'
2517 2010-04-06 Richard Guenther <rguenther@suse.de>
2519 PR tree-optimization/43627
2520 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2521 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2524 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2526 * BASE-VER: Change to 4.6.0.
2529 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2532 2010-04-06 Richard Guenther <rguenther@suse.de>
2535 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2537 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2539 * doc/invoke.texi (Optimize Options): Document that LTO
2540 won't remove object access purely due to incompatible
2543 2010-04-04 Matthias Klose <doko@ubuntu.com>
2545 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2546 Initialize variable.
2548 2010-04-03 Richard Guenther <rguenther@suse.de>
2551 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2552 require a non-NULL MEM_OFFSET.
2554 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2556 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2557 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2558 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2559 config/alpha/predicates.md, config/arm/arm.md,
2560 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2561 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2562 config/darwin9.h, config/darwin.c, config/darwin.h,
2563 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2564 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2565 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2566 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2567 config/mips/mips.md, config/mn10300/mn10300.c,
2568 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2569 config/rs6000/aix.h, config/rs6000/dfp.md,
2570 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2571 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2572 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2573 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2574 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2575 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2576 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2577 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2578 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2579 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2580 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2581 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2582 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2583 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2584 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2585 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2586 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2587 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2588 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2589 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2590 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2591 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2592 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2593 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2594 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2595 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2596 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2597 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2598 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2599 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2600 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2601 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2602 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2603 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2604 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2605 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2607 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2610 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2611 * aclocal.m4: Regenerate.
2613 2010-04-02 Richard Guenther <rguenther@suse.de>
2615 PR tree-optimization/43629
2616 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2617 if we have seen a constant value.
2619 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2621 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2623 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2626 * arm.c (legitimize_tls_address): Adjust call to
2627 gen_tls_load_dot_plus_four.
2628 (arm_note_pic_base): New function.
2629 (arm_cannot_copy_insn_p): Use it.
2630 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2633 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2638 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2640 * Makefile.in ($(out_object_file)): Depend on
2641 gt-$(basename $(notdir $(out_file))).h.
2643 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2645 * config.gcc (lm32-*-rtems*): Add t-lm32.
2647 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2649 * config.gcc: Add lm32-*-rtems*.
2650 * config/lm32/rtems.h: New file.
2652 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2655 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2657 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2659 * dwarf2out.c (output_compilation_unit_header): For
2660 -gdwarf-4 use version 4 instead of version 3.
2661 (output_line_info): For version 4 and above emit additional
2662 maximum ops per insn header field.
2663 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2665 * dwarf2out.c (is_c_family, is_java): Remove.
2666 (lower_bound_default): New function.
2667 (add_bound_info, gen_descr_array_type_die): Use it.
2669 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2672 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2673 re-declaration when it happens in a function.
2675 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2677 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2678 (cgraph_remove_function_insertion_hook): Same.
2679 (cgraph_call_function_insertion_hooks): Same.
2681 2010-04-01 Richard Guenther <rguenther@suse.de>
2684 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2685 and TREE_THIS_VOLATILE.
2686 (copy_ref_info): Likewise.
2687 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2688 * tree.c (build6_stat): Ignore side-effects of all but arg5
2689 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2692 2010-04-01 Richard Guenther <rguenther@suse.de>
2694 PR tree-optimization/43607
2695 * ipa-type-escape.c (check_call): Do not access non-existing
2698 2010-04-01 Richard Guenther <rguenther@suse.de>
2702 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2703 Jack Howarth <howarth@bromo.med.uc.edu>
2705 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2708 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2710 * doc/install.texi (Prerequisites): Document libelf usability on
2711 IRIX 5/6 and Solaris 2.
2712 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2713 Update GNU as, GNU ld requirements.
2714 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2715 Document Sun Studio compiler download.
2716 Update and simplify as, ld recommendations.
2717 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2719 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2721 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2722 with_tune_32 to pentium4.
2724 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2726 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2728 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2730 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2731 obsoletion, removal.
2733 Document GNU as requirement.
2734 Update configure requirements.
2735 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2736 Recomment IRIX 6.5.18+.
2737 Document IDF/IDL requirement.
2738 Document GNU as requirement.
2739 Document GNU ld bootstrap failure.
2740 Remove freeware.sgi.com reference.
2742 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2744 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2745 UNIX V4.0, V5.0 obsoletion, removal.
2746 Remove --with-gc=simple reference.
2747 Update VM requirements during bootstrap.
2748 Remove -oldas bootstrap description.
2749 Update binutils reference.
2750 Remove comparison failure note.
2752 2010-03-31 Richard Guenther <rguenther@suse.de>
2753 Zdenek Dvorak <ook@ucw.cz>
2754 Sebastian Pop <sebastian.pop@amd.com>
2757 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2758 with multiple arguments.
2759 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2761 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2763 * graphite-dependences.c (print_pddr): Call print_pdr with an
2765 * graphite-poly.c (debug_pdr): Add an extra argument for the
2768 (print_pbb_domain): Same.
2770 (print_scop_context): Same.
2772 (print_cloog): Same.
2773 (debug_pbb_domain): Same.
2777 (debug_scop_context): Same.
2779 (debug_cloog): Same.
2780 (print_scop_params): Same.
2781 (debug_scop_params): Same.
2782 (print_iteration_domain): Same.
2783 (print_iteration_domains): Same.
2784 (debug_iteration_domain): Same.
2785 (debug_iteration_domains): Same.
2786 (print_scattering_function): Same.
2787 (print_scattering_functions): Same.
2788 (debug_scattering_function): Same.
2789 (debug_scattering_functions): Same.
2790 * graphite-poly.h (debug_pdr): Update declaration.
2792 (print_pbb_domain): Same.
2794 (print_scop_context): Same.
2796 (print_cloog): Same.
2797 (debug_pbb_domain): Same.
2801 (debug_scop_context): Same.
2803 (debug_cloog): Same.
2804 (print_scop_params): Same.
2805 (debug_scop_params): Same.
2806 (print_iteration_domain): Same.
2807 (print_iteration_domains): Same.
2808 (debug_iteration_domain): Same.
2809 (debug_iteration_domains): Same.
2810 (print_scattering_function): Same.
2811 (print_scattering_functions): Same.
2812 (debug_scattering_function): Same.
2813 (debug_scattering_functions): Same.
2815 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2817 * graphite-poly.c (print_scattering_function_1): New.
2818 (print_scattering_function): Call it.
2819 (print_scop_params): Remove spaces at the end of lines.
2822 * graphite-poly.h (print_cloog): Declared.
2823 (debug_cloog): Declared.
2825 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2827 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2829 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2830 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2831 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2832 to switch between adding the IV bump in loop->latch or in loop->header.
2834 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2836 * graphite-poly.c (print_scattering_function): Pretty print following
2839 (print_pbb_domain): Same.
2840 (dump_gbb_cases): Same.
2841 (dump_gbb_conditions): Same.
2844 (print_scop_params): Same.
2845 (print_scop_context): Same.
2847 (print_pbb_body): New.
2848 (lst_indent_to): New.
2849 (print_lst): Start new lines with a #.
2850 * graphite-poly.h (pbb_bb): New.
2851 (pbb_index): Use pbb_bb.
2852 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2854 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2856 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2858 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2859 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2860 and 0 instead of 1 for dw_val_class_flag.
2861 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2862 dw_val_class_range_list, dw_val_class_loc_list,
2863 dw_val_class_lineptr and dw_val_class_macptr, use
2864 DW_FORM_flag_present for dw_val_class_flag and
2865 DW_FORM_exprloc for dw_val_class_loc.
2866 (output_die): For -gdwarf-4 print dw_val_class_loc
2867 size as uleb128 instead of 1 or 2 bytes and don't print
2868 anything for dw_val_class_flag.
2870 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2871 instead of cselib_lookup following by tweaking locs->setting_insn.
2874 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2875 even before returning from label, setjmp call or volatile asm
2878 2010-03-31 Richard Guenther <rguenther@suse.de>
2881 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2882 temporary data on stack.
2884 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2886 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2887 (PUSHSECTION_ASM_OP): Remove.
2888 (POPSECTION_ASM_OP): Remove.
2889 (PUSHSECTION_FORMAT): Remove.
2890 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2891 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2892 * config/sol2.c (solaris_output_init_fini): Use it.
2894 2010-03-31 Jie Zhang <jie@codesourcery.com>
2897 * opt-functions.awk (var_type_struct): Use signed char type
2898 for simple variables.
2900 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2902 * config/sol2.c: Include output.h.
2903 (solaris_assemble_visibility): New function.
2904 * config/t-sol2 (sol2.o): Add output.h dependency.
2905 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2906 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2909 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2912 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2913 V2SImode or XFmode on PRE_DEC.
2916 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2919 2010-03-31 Jie Zhang <jie@codesourcery.com>
2922 * reload.h (caller_save_initialized_p): Declare.
2923 * toplev.c (backend_init_target): Don't call
2924 init_caller_save but set caller_save_initialized_p to false.
2925 * caller-save.c (caller_save_initialized_p): Define.
2926 (init_caller_save): Check caller_save_initialized_p.
2927 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2929 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2932 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2933 and soft-fp/t-softfp to tmake_file.
2934 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2935 (LIBGCC2_TF_CEXT): Define.
2938 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2941 * cselib.c (n_useless_values): Document handling of debug locs.
2942 (n_useless_debug_values, n_debug_values): New variables.
2943 (new_elt_loc_list): Don't add to debug values, keep count.
2944 (promote_debug_loc): New.
2945 (cselib_reset_table): Zero new variables.
2946 (entry_and_rtx_equal_p): Promote debug locs.
2947 (discard_useless_locs): Increment n_useless_debug_values for
2949 (remove_useless_values): Adjust n_useless_values and n_debug_values
2950 with n_useless_debug_values.
2951 (add_mem_for_addr): Promote debug locs.
2952 (cselib_lookup_mem): Likewise.
2953 (cselib_lookup_addr): Renamed to...
2954 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2955 (cselib_log_lookup): ... this. Turn into...
2956 (cselib_lookup_addr): ... new wrapper.
2957 (cselib_lookup_from_insn): New.
2958 (cselib_invalidate_regno): Increment n_useless_debug_values for
2960 (cselib_invalidate_mem): Likewise.
2961 (cselib_process_insn): Take n_deleted and n_debug_values into
2962 account to guard remove_useless_value call.
2963 (cselib_finish): Zero n_useless_debug_values.
2964 * cselib.h (cselib_lookup_from_insn): Declare.
2965 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2966 (sched_analyze_2): Likewise.
2968 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2970 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2972 (adjust_mems): Replace narrowing SUBREG of expression containing
2973 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2974 with operations in the narrower mode.
2977 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2978 regs_invalidated_by_call instead all call_used_reg_set registers.
2980 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2983 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2984 pointer comparisons with types_compatible_p.
2985 * tree-vect-stmts.c (vectorizable_call): Same.
2986 (vectorizable_condition): Same.
2988 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2990 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2991 stack check if the mask would be zero.
2993 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2994 Jack Howarth <howarth@bromo.med.uc.edu>
2996 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2999 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3002 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3004 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3005 Include ___unordxf2 and ___unordtf2.
3006 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3009 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3011 * config/lm32/t-lm32: New file.
3012 * config.gcc: Use the above file when targetting lm32.
3014 2010-03-28 Duncan Sands <baldrick@free.fr>
3016 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3018 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3021 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3022 Improve vectorization cost model diagnostic.
3024 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3027 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3028 compute_data_dependences_for_loop returns false, early exit
3029 and output an extra diagnostic for the failed data reference
3032 2010-03-29 Richard Guenther <rguenther@suse.de>
3034 PR tree-optimization/43560
3035 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3036 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3038 2010-03-29 Jie Zhang <jie@codesourcery.com>
3041 * toplev.c (process_options): Set optimization_default_node
3042 and optimization_current_node.
3043 * opts.c (decode_options): Don't set optimization_default_node
3044 and optimization_current_node.
3046 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3048 * config/rtems.h: Abandon -qrtems_debug.
3050 2010-03-28 Jan Hubicka <jh@suse.cz>
3052 PR tree-optimization/43505
3053 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3054 map should not be copied.
3056 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3059 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3060 cdtors, set DECL_PRESERVE_P.
3061 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3064 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3066 PR tree-optimization/43528
3067 * stor-layout.c (place_field): Check that constant fits into
3068 unsigned HWI when skipping calculation of MS bitfield layout.
3070 2010-03-27 Jan Hubicka <jh@suse.cz>
3073 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3074 notice_global_symbol work.
3076 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3078 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3079 instead of dwarf2out_decl.
3080 (struct var_loc_node): Remove section_label field.
3081 (dwarf2out_function_decl): New function.
3082 (dwarf2out_var_location): Don't set section_label field.
3083 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3085 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3087 PR tree-optimization/43544
3088 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3089 First argument for builtin vectorized function hook is now a
3090 tree to be able to distinguish between machine specific and
3092 * targhooks.c (default_builtin_vectorized_function): Ditto.
3093 * targhooks.h (default_builtin_vectorized_function): Ditto.
3094 * target.h (struct gcc_target): Ditto.
3095 * tree-vect-stmts.c (vectorizable_function): Ditto.
3096 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3097 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3100 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3103 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3104 nested binding iff it is a FUNCTION_DECL.
3105 (store_parm_decls_newstyle): Pass nested=true to bind for
3106 FUNCTION_DECLs amongst parameters.
3108 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3110 * var-tracking.c (vt_expand_loc_callback): Don't run
3111 cselib_expand_value_rtx_cb in dummy mode if
3112 cselib_dummy_expand_value_rtx_cb returned false.
3114 * var-tracking.c (emit_note_insn_var_location): For one part
3115 notes with offset 0, don't add EXPR_LIST around the location.
3116 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3117 add_location_or_const_value_attribute): Adjust for that change.
3120 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3121 into first operand and location into second.
3122 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3123 dw_cfi_oprnd_loc for DW_CFA_expression.
3124 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3125 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3126 assume first argument is regnum and second argument is location.
3128 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3131 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3132 of scratch register to DImode. Split to DImode comparison operator.
3133 Use SImode subreg of scratch register in the multiplication.
3134 (*cmp_sadd_sidi): Ditto.
3135 (*cmp_ssub_si): Ditto.
3136 (*cmp_ssub_sidi): Ditto.
3138 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3141 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3142 Remove invalid assert and wrong comment.
3144 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3147 * flags.h (final_insns_dump_p): New extern.
3148 * final.c (final_insns_dump_p): New variable.
3149 (rest_of_clean_state): Set it before -fdump-final-insns=
3150 dumping, clear afterwards.
3151 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3152 MEM_ALIAS_SET on MEMs.
3154 2010-03-26 David S. Miller <davem@davemloft.net>
3156 * configure.ac: Fix sparc GOTDATA_OP bug check.
3157 * configure: Rebuild.
3159 2010-03-26 Alan Modra <amodra@gmail.com>
3161 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3163 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3165 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3166 TLS_SECTION_ASM_FLAG.
3168 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3171 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3172 Clear first_function_block_is_cold.
3175 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3176 argument if the argument is truth_value_p.
3178 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3180 * config/rs6000/constraints.md: Update copyright year for my changes.
3183 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3184 used in reg+reg addressing, swap registers.
3186 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3189 * target.h (struct gcc_target): Add code_end hook.
3190 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3192 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3193 * toplev.c (compile_file): Call targetm.asm_out.code_end
3194 hook before unwind info/debug info output.
3195 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3196 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3197 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3198 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3199 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3200 * config/i386/i386.c (ix86_file_end): Renamed to...
3201 (ix86_code_end): ... this. Make static. Don't call
3202 file_end_indicate_exec_stack. Emit unwind info using
3203 final_start_function/final_end_function.
3204 (darwin_x86_file_end): Remove.
3205 (TARGET_ASM_CODE_END): Define.
3206 * config/i386/i386.h (TARGET_ASM_FILE_END,
3207 NEED_INDICATE_EXEC_STACK): Don't define.
3208 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3209 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3210 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3211 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3214 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3215 at the beginning and final_end_function at the end.
3216 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3218 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3220 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3221 and Sun as TLS syntax.
3222 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3223 * configure: Regenerate.
3224 * config.in: Regenerate.
3225 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3226 (default_elf_asm_named_section): Use it.
3227 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3228 (i386_output_dwarf_dtprel): Likewise.
3229 (output_addr_const_extra): Likewise.
3230 (output_pic_addr_const): Lowercase @GOTTPOFF.
3231 (output_addr_const_extra): Likewise.
3232 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3233 (output_addr_const_extra): Likewise.
3234 (output_pic_addr_const): Lowercase @INDNTPOFF.
3235 (output_addr_const_extra): Likewise.
3236 (output_pic_addr_const): Lowercase @NTPOFF.
3237 (output_addr_const_extra): Likewise.
3238 (output_pic_addr_const): Lowercase @TPOFF.
3239 (output_addr_const_extra): Likewise.
3240 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3241 (*tls_global_dynamic_64): Likewise.
3242 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3243 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3245 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3246 (ASM_OUTPUT_TLS_COMMON): Use it.
3247 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3250 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3251 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3252 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3253 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3254 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3255 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3257 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3259 * config/i386/i386.c (override_options): Don't accept
3260 -mtls-dialect=sun any longer.
3261 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3262 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3263 (*tls_local_dynamic_base_32_sun): Likewise.
3264 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3266 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3269 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3270 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3273 * ira.c (adjust_cleared_regs): New function.
3274 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3278 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3280 * expr.c (expand_expr_real): Restore previous
3281 curr_insn_source_location and curr_insn_block after
3282 expand_expr_real_1 call.
3283 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3284 instead of expand_expr_real_1.
3286 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3288 PR rtl-optimization/43413
3289 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3292 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3295 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3296 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3298 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3300 * config/i386/i386.c (ix86_target_string): Add -mfma.
3301 Fix a typo in comment.
3303 2010-03-22 Mike Stump <mikestump@comcast.net>
3306 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3307 Don't overly align based upon packed packed fields.
3309 2010-03-22 Jason Merrill <jason@redhat.com>
3311 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3312 Use () rather than [], and move before the element type.
3314 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3316 * doc/configfiles.texi (Configuration Files): Removed
3317 fixinc/Makefile*, intl/Makefile.*.
3318 * doc/makefile.texi: Fixed markup. Abstract from version
3319 control system used.
3320 (Makefile): Removed obsolete gcc/java/parse.y example.
3321 * doc/sourcebuild.texi: Likewise.
3322 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3323 libgomp, libssp. Removed fastjar.
3324 (Miscellaneous Docs): Clarify location.
3325 Added COPYING3, COPYING3.LIB.
3326 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3328 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3331 * config/i386/i386.c (x86_function_profiler)
3332 [!NO_PROFILE_COUNTERS]: Fix typo.
3333 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3336 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3337 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3339 * doc/sourcebuild.texi (Test Directives): Split into six
3340 subsections, with most of the current text in new subsections
3341 Directives, Selectors, and Final Actions.
3342 (Directives): Split list of test directives into multiple
3344 (Selectors): Describe use and syntax of selectors.
3345 (Effective-Target Keywords): Describe all existing keywords.
3346 (Add Options): Describe features for dg-add-options.
3347 (Require Support): Describe variants of dg-require-support.
3348 (Final Actions): Describe commands to use in dg-final.
3350 2010-03-22 Michael Matz <matz@suse.de>
3353 * recog.c (validate_replace_rtx_group): Replace also in
3354 REG_EQUAL and REG_EQUIV notes.
3356 2010-03-22 Richard Guenther <rguenther@suse.de>
3358 PR tree-optimization/43390
3359 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3360 sure vector extracts are type correct.
3362 2010-03-22 Richard Guenther <rguenther@suse.de>
3365 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3366 x * sqrt (x) even when optimizing for size if the target
3367 has native support for sqrt.
3369 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3371 * varasm.c (make_decl_rtl_for_debug): Also clear
3372 flag_mudflap for the duration of make_decl_rtl call.
3375 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3376 locs from preserved VALUEs.
3378 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3381 * pa.md (movmemsi): Set align to one if zero.
3382 (movmemdi): Likewise.
3384 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3387 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3388 with their corresponding prologue pushes.
3390 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3393 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3394 at the begining or end.
3395 (spu_expand_epilogue): Likewise.
3397 2010-03-20 Richard Guenther <rguenther@suse.de>
3399 PR rtl-optimization/43438
3400 * combine.c (make_extraction): Properly zero-/sign-extend an
3401 extraction of the low part of a CONST_INT. Also handle
3404 2010-03-19 Mike Stump <mikestump@comcast.net>
3406 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3407 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3408 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3410 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3413 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3416 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3418 PR rtl-optimization/42258
3419 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3420 use that may match DEF.
3423 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3424 the cost of loading the constant rather than assuming
3426 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3427 outer code is AND, do the same tests as the andsi3 expander and
3428 return COSTS_N_INSNS (1) if and is cheap.
3430 * optabs.c (avoid_expensive_constant): Fix formatting.
3432 2010-03-19 Michael Matz <matz@suse.de>
3435 * attribs.c (decl_attributes): When rebuilding a function pointer
3436 type use the same qualifiers as the original pointer type.
3438 2010-03-19 Martin Jambor <mjambor@suse.cz>
3440 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3441 and is_gimple_ip_invariant_address.
3443 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3446 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3448 * config/arm/arm.c (arm_override_options): Turn off
3449 flag_dwarf2_cfi_asm for AAPCS variants.
3451 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3454 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3455 Use PRE_MODIFY instead of PRE_DEC.
3456 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3457 (vfp_emit_fstmd): Likewise.
3459 2010-03-19 Michael Matz <matz@suse.de>
3462 * builtins.c (expand_builtin_interclass_mathfn,
3463 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3466 2010-03-19 Richard Guenther <rguenther@suse.de>
3468 PR tree-optimization/43415
3469 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3470 (phi_translate_1): ... this.
3471 (phi_translate): Move all caching here. Cache all NARY
3472 and REFERENCE translations.
3474 2010-03-19 David S. Miller <davem@davemloft.net>
3476 With help from Eric Botcazou.
3477 * config/sparc/sparc.c: Include dwarf2out.h.
3478 (emit_pic_helper): Delete.
3479 (pic_helper_symbol_name): Delete.
3480 (pic_helper_emitted_p): Delete.
3481 (pic_helper_needed): New.
3482 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3483 (get_pc_thunk_name): New.
3484 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3485 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3486 Set pic_helper_needed to true. Don't call emit_pic_helper.
3487 (sparc_expand_prologue): Update load_pic_register call.
3488 (sparc_output_mi_thunk): Likewise.
3489 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3490 thunk if possible. Output CFI information as needed.
3492 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3493 Jack Howarth <howarth@bromo.med.uc.edu>
3496 * config/i386/i386.h: Fix ABI on darwin x86-32.
3498 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3500 * tree.h: Declare make_decl_rtl_for_debug.
3501 * varasm.c (make_decl_rtl_for_debug): New.
3502 * dwarf2out.c (rtl_for_decl_location): Call it.
3503 * cfgexpand.c (expand_debug_expr): Call it.
3505 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3508 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3512 * var-tracking.c (vt_init_cfa_base): Do nothing if
3513 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3515 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3518 * var-tracking.c (canonicalize_vars_star): New.
3519 (dataflow_post_merge_adjust): Use it.
3521 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3524 * var-tracking.c (non_suitable_const): New function.
3525 (add_uses): For DEBUG_INSNs with constants, don't record any
3526 value, instead just the constant value itself.
3527 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3528 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3529 (emit_notes_in_bb): Likewise.
3530 (emit_note_insn_var_location): For onepart variables if
3531 cur_loc is a VOIDmode constant, use DECL_MODE.
3533 2010-03-18 Martin Jambor <mjambor@suse.cz>
3536 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3537 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3538 all non-clones. Moved call redirection...
3539 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3540 (cgraph_materialize_all_clones): Dispose of all
3541 combined_args_to_skip bitmaps.
3542 (verify_cgraph_node): Do not check for edges pointing to wrong
3543 nodes in inline clones.
3544 * tree-inline.c (copy_bb): Call
3545 cgraph_redirect_edge_call_stmt_to_callee.
3546 * ipa.c (cgraph_remove_unreachable_nodes): Call
3547 cgraph_node_remove_callees even when there are used clones.
3549 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3551 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3553 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3556 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3559 2010-03-18 Michael Matz <matz@suse.de>
3562 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3563 into sqrt(x) if we need to preserve signed zeros.
3565 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3566 Eric Botcazou <ebotcazou@adacore.com>
3568 PR rtl-optimization/43360
3569 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3570 note if we don't know its invariant status.
3572 2010-03-18 Michael Matz <matz@suse.de>
3574 PR tree-optimization/43402
3575 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3576 PHI chains of ssa names registered for update.
3578 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3581 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3582 non-offsettable and pre_modify update addressing.
3583 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3584 and "2" alternatives "#".
3585 (*movdd_softfloat32): Make all alternatives "#";
3586 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3587 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3588 (*movdf_softfloat32): Make all alternatives "#";
3589 (movdi): Use the new DIFD mode iterator to create a common splitter
3590 for movdi, movdf and movdd patterns.
3592 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3594 * common.opt (dumpdir): Remove redundant tab.
3596 2010-03-17 Martin Jambor <mjambor@suse.cz>
3598 PR tree-optimization/43347
3599 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3600 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3602 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3604 PR rtl-optimization/42216
3605 * regrename.c (create_new_chain): New function, broken out from...
3606 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3607 appending a use to an empty chain.
3608 (build_def_use): Remove previous changes that convert OP_INOUT to
3609 OP_OUT operands; instead detect the case where an OP_INOUT operand
3610 uses a previously untracked register and create an empty chain for it.
3612 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3614 * doc/extend.texi (Function Attributes): Rewrite unfinished
3615 sentence in ms_abi documentation.
3617 2010-03-17 Alan Modra <amodra@gmail.com>
3619 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3620 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3621 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3622 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3624 2010-03-16 Richard Henderson <rth@redhat.com>
3627 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3628 (lower_try_finally): Save and restore eh_seq around the expansion
3631 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3633 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3634 statements before splitting block.
3636 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3638 * doc/sourcebuild.texi (Testsuites): Fix markup.
3639 Use pathnames relative to gcc/testsuite.
3640 (Test Directives): Move description of how timeout is determined.
3641 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3642 (C Tests): Correct gcc.misc-tests directory.
3643 Framework tests now live in gcc.test-framework.
3645 2010-03-16 Richard Guenther <rguenther@suse.de>
3648 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3649 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3651 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3652 Alexandre Oliva <aoliva@redhat.com>
3654 PR tree-optimization/42917
3655 * lambda-code.c (remove_iv): Skip debug statements.
3656 (lambda_loopnest_to_gcc_loopnest): Likewise.
3657 (not_interesting_stmt): Debug statements are not interesting.
3659 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3663 * cselib.c (cselib_preserve_constants,
3664 cfa_base_preserved_val): New static variables.
3665 (preserve_only_constants): New function.
3666 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3667 clear its REG_VALUES. If cselib_preserve_constants, don't
3668 empty the whole hash table, but preserve there VALUEs with constants,
3669 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3670 (cselib_preserve_cfa_base_value): New function.
3671 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3672 (cselib_init): Change argument to int bitfield. Set
3673 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3675 (cselib_finish): Clear cselib_preserve_constants and
3676 cfa_base_preserved_val.
3677 * cselib.h (enum cselib_record_what): New enum.
3678 (cselib_init): Change argument to int.
3679 (cselib_preserve_cfa_base_value): New prototype.
3680 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3681 * dse.c (dse_step1): Likewise.
3682 * cfgcleanup.c (thread_jump): Likewise.
3683 * sched-deps.c (sched_analyze): Likewise.
3684 * gcse.c (local_cprop_pass): Likewise.
3685 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3686 If FN is non-NULL, call the callback always and whenever it returns
3687 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3688 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3689 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3690 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3691 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3692 * var-tracking.c: Include recog.h.
3693 (bb_stack_adjust_offset): Remove.
3694 (vt_stack_adjustments): Don't call it, instead just gather the
3695 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3696 (adjust_stack_reference): Remove.
3697 (compute_cfa_pointer): New function.
3698 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3699 (struct adjust_mem_data): New type.
3700 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3702 (get_address_mode): New function.
3703 (replace_expr_with_values): Use it.
3704 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3705 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3706 (adjust_sets): Remove.
3707 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3708 Use get_address_mode.
3709 (get_adjusted_src): Remove.
3710 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3711 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3712 (add_with_sets): Don't call adjust_sets.
3713 (fp_setter, vt_init_cfa_base): New functions.
3714 (vt_initialize): Change return type to bool. Move most of pool etc.
3715 initialization to the beginning of the function from end. Pass
3716 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3717 If !frame_pointer_needed, call vt_stack_adjustment before mos
3718 vector is filled, call vt_init_cfa_base if argp/framep has been
3719 eliminated to sp. If frame_pointer_needed and argp/framep has
3720 been eliminated to hard frame pointer, set
3721 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3722 encountering fp setter in the prologue. For MO_ADJUST, call
3723 log_op_type before pusing the op into mos vector, not afterwards.
3724 Call adjust_insn before cselib_process_insn/add_with_sets,
3725 call cancel_changes (0) afterwards.
3726 (variable_tracking_main_1): Adjust for vt_initialize calling
3727 vt_stack_adjustments and returning whether it succeeded or not.
3729 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3731 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3734 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3736 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3738 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3739 drap_reg has not been set.
3741 2010-03-15 Michael Matz <matz@suse.de>
3744 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3745 use it to expand block copies.
3746 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3747 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3748 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3750 2010-03-15 Richard Guenther <rguenther@suse.de>
3752 PR tree-optimization/43367
3753 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3756 2010-03-15 Richard Guenther <rguenther@suse.de>
3758 PR tree-optimization/43317
3759 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3761 2010-03-15 Martin Jambor <mjambor@suse.cz>
3763 PR tree-optimization/43141
3764 * tree-sra.c (create_abstract_origin): New function.
3765 (modify_function): Call create_abstract_origin.
3767 2010-03-15 Chris Demetriou <cgd@google.com>
3769 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3772 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3775 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3776 call insert_out_of_ssa_copy for default definitions.
3778 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3780 * graphite-clast-to-gimple.c (my_long_long): Defined.
3781 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3782 * graphite-sese-to-poly.c (my_long_long): Defined.
3783 (scop_ivs_can_be_represented): Use it.
3785 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3787 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3788 graphite-max-bbs-per-function, and loop-block-tile-size.
3789 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3791 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3793 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3795 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3796 forward declaration.
3797 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3798 (add_upper_bounds_from_estimated_nit): New.
3799 (build_loop_iteration_domains): Use it.
3801 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3803 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3805 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3808 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3809 should be an INTEGER_CST. Also handle CASE_CONVERT.
3811 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3813 * graphite.c (graphite_initialize): To bound the number of bbs per
3814 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3815 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3816 * doc/invoke.texi: Document it.
3818 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3820 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3821 * graphite-sese-to-poly.h (build_poly_scop): Same.
3823 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3825 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3826 the number of parameters in the scop. Use as an upper bound
3827 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3828 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3829 * doc/invoke.texi: Document it.
3831 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3833 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3834 * doc/c-tree.texi: Remove.
3835 * doc/generic.texi: Merge c-tree.texi here.
3836 * doc/gccint.texi (Trees): Remove menu entry.
3837 (c-tree.texi): Remove @include.
3838 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3839 * doc/languages.texi (Reading RTL): Ditto.
3841 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3844 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3846 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3849 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3850 code added to work around reload clobbering CONST insns.
3852 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3854 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3855 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3856 (cselib_preserve_only_values): Remove retain argument, don't
3857 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3858 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3859 * var-tracking.c (micro_operation): Move insn field before union.
3860 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3861 (struct variable_tracking_info_def): Remove n_mos field, change
3862 mos into a vector of micro_operations.
3863 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3864 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3865 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3866 changing into a vector.
3867 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3868 come before all other uops generated by add_stores.
3869 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3871 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3872 a vector. Run just one pass over the bbs instead of separate counting
3873 and computation phase.
3874 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3877 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3878 into *nonlocalized_list vector.
3879 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3880 even if origin is non-NULL.
3881 (gen_variable_die): Likewise.
3882 (process_scope_var): Don't change origin.
3883 (gen_decl_die): Likewise.
3884 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3885 before adding new edges instead of after it, fix moving over
3888 2010-03-11 David S. Miller <davem@davemloft.net>
3890 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3892 * configure: Rebuild.
3894 2010-03-11 Martin Jambor <mjambor@suse.cz>
3896 PR tree-optimization/43257
3897 * tree.c (assign_assembler_name_if_neeeded): New function.
3898 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3900 * tree.h (assign_assembler_name_if_neeeded): Declare.
3901 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3902 the function if needed.
3904 2010-03-11 Chris Demetriou <cgd@google.com>
3906 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3907 include/stdint-gcc.h, and include/stdint.h world-readable.
3909 2010-03-11 Richard Guenther <rguenther@suse.de>
3911 PR tree-optimization/43255
3912 * tree-vrp.c (process_assert_insertions_for): Do not insert
3913 asserts for trivial conditions.
3915 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3917 PR tree-optimization/43280
3918 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3919 generation. Move calculation of size out of the if branch.
3920 (find_bswap): Modify compare number generation.
3922 2010-03-11 Richard Guenther <rguenther@suse.de>
3925 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3926 (input_gimple_stmt): Fixup handled component types during
3927 operand read. Also fix up decls in ADDR_EXPRs.
3929 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3931 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3932 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3934 2010-03-10 Jan Hubicka <jh@suse.cz>
3937 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3938 * varasm.c (get_variable_section): Don't do that here...
3939 (make_decl_rtl): ... and here.
3940 (do_assemble_alias): Produce decl RTL.
3941 (assemble_alias): Likewise.
3943 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3946 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3947 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3949 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3950 (based_loc_descr): Only express drap or vdrap regno based expressions
3951 using DW_OP_fbreg when not optimizing.
3952 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3953 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3954 REG_CFA_SET_VDRAP note.
3956 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3958 PR tree-optimization/43236
3959 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3960 error in calculation of base address in reverse iteration case.
3961 (generate_builtin): Take number of latch executions if the statement
3964 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3967 * tree-eh.c: Include pointer-set.h.
3968 (lower_eh_dispatch): Filter out duplicate case labels and
3969 remove the unneeded edge when the label is unused. Return
3970 true when some edges are removed.
3971 (execute_lower_eh_dispatch): When any lowering resulted in
3972 removing an edge, also delete unreachable blocks.
3974 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3977 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3978 UNSPEC_MACHOPIC_OFFSET.
3980 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3983 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3984 (m68k_delegitimize_address): New function.
3986 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3989 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3992 * var-tracking.c (adjust_sets): New function.
3993 (count_with_sets, add_with_sets): Use it.
3994 (get_adjusted_src): New inline function.
3995 (add_stores): Use it.
3998 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3999 call cselib_dummy_expand_value_rtx_cb instead of
4000 cselib_expand_value_rtx_cb.
4003 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4004 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4005 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4006 and .cfi_endproc around the pic thunks.
4007 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4008 all queued unwind info register saves are saved before the call.
4009 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4010 considered as sp-=4 for unwind info and the pop as sp+=4 which
4011 also clobbers dest, but doesn't actually restore it.
4014 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4015 RTX_FRAME_RELATED_P.
4017 2010-03-09 Jie Zhang <jie@codesourcery.com>
4019 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4020 whitespaces in output template.
4022 2010-03-09 Jie Zhang <jie@codesourcery.com>
4024 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4027 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4029 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4030 builtins.exp in a separate job.
4032 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4034 * graphite-sese-to-poly.c (add_param_constraints): Use
4035 lower_bound_in_type and upper_bound_in_type.
4037 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4039 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4040 instead of unsigned_type_node.
4042 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4043 Reza Yazdani <reza.yazdani@amd.com>
4046 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4047 on pointer type parameters.
4049 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4053 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4054 handle conversions from pointer to integers.
4055 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4056 induction variable, to be able to work with code generated by CLooG.
4057 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4058 (build_poly_scop): Bail out if we cannot codegen a loop.
4060 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4062 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4063 code generation with gloog_error.
4065 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4067 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4068 Call fold_convert on all the returned values.
4069 (expand_scalar_variables_expr): Pass to
4070 expand_scalar_variables_ssa_name the type of the resulting expression.
4072 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4074 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4075 ppl_min_for_le_pointset.
4076 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4077 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4079 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4081 * graphite-dependences.c (map_into_dep_poly): Removed.
4082 (dependence_polyhedron_1): Use combine_context_id_scat.
4084 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4086 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4087 (struct poly_bb): Same.
4088 (combine_context_id_scat): New.
4090 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4093 * sese.c (name_defined_in_loop_p): Return false for default
4096 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4098 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4099 and clean up the logic.
4101 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4103 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4106 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4108 * var-tracking.c (remove_cselib_value_chains): Define only for
4110 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4111 delete_slot_part, emit_notes_for_differences_1): Don't call
4112 remove_cselib_value_chains here.
4113 (set_slot_part, emit_notes_for_differences_2): Don't call
4114 add_cselib_value_chains here.
4115 (preserved_values): New vector.
4116 (preserve_value): New function.
4117 (add_uses, add_stores, vt_add_function_parameters): Use it
4118 instead of cselib_preserve_value.
4119 (changed_values_stack): New vector.
4120 (check_changed_vars_0): New function.
4121 (check_changed_vars_1, check_changed_vars_2): Use it.
4122 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4123 changed_values_stack VALUEs.
4124 (vt_emit_notes): For all preserved_values call
4125 add_cselib_value_chains. If ENABLE_CHECKING call
4126 remove_cselib_value_chains before verifying value_chains is empty.
4127 Initialize and free changed_values_stack.
4128 (vt_initialize): Initialize preserved_values.
4129 (vt_finalize): Free preserved_values.
4131 2010-03-08 Richard Guenther <rguenther@suse.de>
4133 PR tree-optimization/43269
4134 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4137 2010-03-08 Martin Jambor <mjambor@suse.cz>
4139 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4140 (ipa_is_param_called): Removed.
4141 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4142 (ipa_print_node_params): Do not print the called flag.
4143 (ipa_write_node_info): Do not stream the called flag.
4144 (ipa_read_node_info): Likewise.
4146 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4149 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4150 * cselib.c (struct expand_value_data): Add dummy field.
4151 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4153 (cselib_dummy_expand_value_rtx_cb): New function.
4154 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4156 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4157 * var-tracking.c: Include pointer-set.h.
4158 (variable): Change n_var_parts to char from int. Add
4159 cur_loc_changed and in_changed_variables fields.
4160 (variable_canonicalize): Remove.
4161 (shared_var_p): New inline function.
4162 (unshare_variable): Maintain cur_loc_changed and
4163 in_changed_variables fields. If var was in changed_variables,
4164 replace it there with new_var. Just copy cur_loc instead of
4165 resetting it to something else.
4166 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4167 (dataflow_set_union): Don't call variable_canonicalize.
4168 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4169 of their DEBUG_EXPR_TREE_DECLs.
4170 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4171 and in_changed_variables and cur_loc_changed is false.
4172 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4173 and cur_loc_changed. Don't update cur_loc here.
4174 (variable_merge_over_src): Don't call variable_canonicalize.
4175 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4176 removing loc that is equal to cur_loc, clear cur_loc,
4177 set cur_loc_changed and ensure variable_was_changed is called.
4178 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4179 compare pointers in cur_loc check, if it is equal to loc,
4180 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4181 (variable_different_p): Remove compare_current_location argument,
4182 don't compare cur_loc.
4183 (dataflow_set_different_1): Adjust variable_different_p caller.
4184 (variable_was_changed): If dv had some var in changed_variables
4185 already, reset in_changed_variables flag for it and propagate
4186 cur_loc_changed over to the new variable. On empty var
4187 always set cur_loc_changed. Set in_changed_variables on whatever
4188 var is added to changed_variables.
4189 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4190 Use shared_var_p. When removing loc that is equal to cur_loc,
4191 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4192 end, don't set it to something else, just call variable_was_changed.
4193 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4194 loc being removed, clear cur_loc and set cur_loc_changed.
4195 Set cur_loc_changed if all locations have been removed.
4196 (struct expand_loc_callback_data): New type.
4197 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4198 allocated. Always create SUBREGs if simplify_subreg failed.
4199 Prefer to use cur_loc, when that fails and still in
4200 changed_variables (and seen first time) recompute it. Set
4201 cur_loc_changed of variables which had to change cur_loc and
4202 compute elcd->cur_loc_changed if any of the subexpressions used
4203 had to change cur_loc.
4204 (vt_expand_loc): Adjust to pass arguments in
4205 expand_loc_callback_data structure.
4206 (vt_expand_loc_dummy): New function.
4207 (emitted_notes): New variable.
4208 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4209 that weren't used for any other decl in current
4210 emit_notes_for_changes call call vt_expand_loc_dummy to update
4211 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4212 first loc_chain location if NULL before. Always use just
4213 cur_loc instead of first loc_chain location. When cur_loc_changed
4214 is false, when not --enable-checking=rtl just don't emit any note.
4215 When rtl checking, compute the note and assert it is the same
4216 as previous note. Clear cur_loc_changed and in_changed_variables
4217 at the end before removing from changed_variables.
4218 (check_changed_vars_3): New function.
4219 (emit_notes_for_changes): Traverse changed_vars to call
4220 check_changed_vars_3 on each changed var.
4221 (emit_notes_for_differences_1): Clear cur_loc_changed and
4222 in_changed_variables. Recompute cur_loc of new_var.
4223 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4224 (vt_emit_notes): Initialize and destroy emitted_notes.
4226 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4228 PR rtl-optimization/42220
4229 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4230 Use verify_reg_tracked to determine if we should use OP_OUT rather
4232 (build_def_use): If we see an in-out operand for a register that we
4233 know nothing about, treat is an output if possible, fail the block if
4236 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4239 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4242 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4245 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4246 uses of relevant DEFs that are dead outside the loop too.
4248 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4250 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4252 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4254 * var-tracking.c (values_to_unmark): New variable.
4255 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4256 values_to_unmark vector. Moved body to...
4257 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4258 instead queue it into values_to_unmark vector.
4259 (vt_find_locations): Free values_to_unmark vector.
4261 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4263 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4264 (site.exp): Export them when plugins are enabled.
4266 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4269 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4271 (chrec_fold_multiply): Same.
4273 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4276 * c-decl.c (build_compound_literal): Return early if init is
4279 2010-03-04 Martin Jambor <mjambor@suse.cz>
4281 PR tree-optimization/43164
4282 PR tree-optimization/43191
4283 * tree-sra.c (type_consists_of_records_p): Reject records with
4284 zero-size bit-fields at the end.
4286 2010-03-04 Mike Stump <mikestump@comcast.net>
4288 * Makefile.in (TAGS): Remove *.y.
4290 2010-03-04 Richard Guenther <rguenther@suse.de>
4292 PR tree-optimization/40761
4293 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4295 (my_rev_post_order_compute): New function.
4296 (init_pre): Call it.
4298 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4301 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4302 decrease the cost of an IV candidate when the cost is infinite.
4304 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4306 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4307 Use '3DNow!' for the extension of that name, ensure normal space
4309 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4311 2010-03-03 Jeff Law <law@redhat.com>
4313 * PR middle-end/32693
4314 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4315 than gen_rtx_SUBREG.
4316 (extract_bit_field_1): Likewise.
4318 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4320 * doc/sourcebuild.texi (Test directives): Document that arguments
4321 include-opts and exclude-opts are now optional for dg-skip-if,
4322 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4324 2010-03-03 Jason Merrill <jason@redhat.com>
4327 * cgraph.h (varpool_node): Add extra_name field.
4328 * varpool.c (varpool_extra_name_alias): New.
4329 (varpool_assemble_decl): Emit extra name aliases.
4330 (varpool_mark_needed_node): Look past an extra name alias.
4331 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4332 * lto-streamer-in.c (lto_input_tree): Read it.
4333 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4335 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4337 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4338 (sparc*-*-solaris2*): ...this.
4340 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4343 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4344 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4345 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4346 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4349 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4350 fallthrough to default handling, just with want_address 0 instead of 2.
4351 For single element lists, add_AT_loc directly, otherwise create an
4352 artificial variable DIE and stick location list to it.
4355 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4356 (VAL_EXPR_HAS_REVERSE): Define.
4357 (reverse_op): New function.
4358 (add_stores): For reversible operations add an extra MO_VAL_USE.
4360 2010-03-02 Jason Merrill <jason@redhat.com>
4362 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4364 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4366 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4367 (sparc64-*-linux*): Likewise.
4368 (sparc64-*-solaris2*): Include assembler files before linker ones.
4369 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4370 * config/sparc/gas.h: Delete.
4371 * config/sparc/sol2-64.h: Add copyright notice.
4372 * config/sparc/sol2-gas-bi.h: Likewise.
4373 * config/sparc/sol2-gld.h: Likewise.
4374 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4375 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4376 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4377 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4378 (sparc_elf_asm_named_section): Rename into...
4379 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4381 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4383 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4385 2010-03-02 Jeff Law <law@redhat.com>
4388 * reload1.c (rtx_p, substitute_stack): Declare.
4389 (substitute): Record addresses of changed rtxs.
4390 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4391 Restore the original rtx when complete.
4392 (reload): Free subsitute_stack when complete.
4394 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4396 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4397 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4399 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4400 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4401 Torture Tests): Change from subsection to section.
4403 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4404 Steven Bosscher <steven@gcc.gnu.org>
4406 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4409 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4412 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4413 the assignment from the new induction variable to the assignment
4414 of the value from the original loop PHI function.
4416 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4417 Daniel Jacobowitz <dan@codesourcery.com>
4419 * doc/sourcebuild.texi (Test directives): Clarify options to
4422 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4424 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4425 Disable cfi directives unless GCC and gas agree on using read-only
4426 .eh_frame sections for 64-bit.
4427 * configure: Regenerate.
4429 2010-03-01 Richard Guenther <rguenther@suse.de>
4431 PR tree-optimization/43220
4432 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4433 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4435 2010-03-01 Richard Guenther <rguenther@suse.de>
4436 Martin Jambor <mjambor@suse.cz>
4439 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4440 gimplified parameters.
4442 2010-03-01 Christian Bruel <christian.bruel@st.com>
4444 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4446 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4448 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4450 2010-03-01 Richard Guenther <rguenther@suse.de>
4453 * expr.c (expand_assignment): Use the alias-oracle to tell
4454 if the rhs aliases the result decl.
4456 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4459 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4460 to sol_gt_pch_get_address.
4461 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4462 64-bit, SPARC and x86.
4463 (sol_gt_pch_get_address): New function.
4465 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4467 * toplev.h (inform_n, error_n): Declare.
4468 * diagnostic.c (inform_n, error_n): New function.
4470 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4472 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4473 has no rtl yet when processing local_decls, queue it and recheck
4474 if deferred stack allocation hasn't assigned it rtl.
4476 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4478 * config/sh/sh.c (unspec_bbr_uid): New.
4479 (gen_block_redirect): Use it instead of INSN_UID.
4480 (gen_far_branch): Likewise.
4482 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4484 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4485 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4487 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4489 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4490 (Warning Options): -Wno-conversion-null is valid for
4491 Objective-C++ as well.
4492 * doc/tm.texi (Named Address Spaces): Likewise.
4493 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4494 * doc/tree-ssa.texi (Tree SSA): Likewise.
4496 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4499 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4500 by default. Don't set the default arch for
4501 i[34567]86-*-darwin*|x86_64-*-darwin*.
4503 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4506 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4507 default. Set the default 32bit/64bit archs with $with_arch
4508 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4510 2010-02-27 Richard Guenther <rguenther@suse.de>
4512 PR tree-optimization/43186
4513 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4514 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4515 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4516 unroller iterations.
4518 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4520 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4521 required and i[34567]86-*-* targets don't support 64bit ISA.
4523 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4526 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4529 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4531 * config.gcc: Set the default arch at least to Prescott for
4532 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4533 if SSE math is enabled.
4535 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4537 * diagnostic.c (diagnostic_initialize): Update.
4538 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4540 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4541 (diagnostic_inhibit_notes): New.
4542 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4544 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4547 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4548 * doc/standards.texi: Likewise.
4549 * doc/extend.texi: Likewise.
4550 * doc/trouble.texi: Likewise.
4551 * doc/cppopts.texi: Likewise.
4552 * doc/install.texi: Likewise.
4553 * c.opt (std=c90,std=gnu90): New options.
4554 * c-opts.c (c_common_handle_option): Handle them.
4556 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4559 * c-decl.c (undeclared_variable): Use an informative note.
4561 2010-02-26 Richard Guenther <rguenther@suse.de>
4563 PR tree-optimization/43186
4564 * gimple.h (gimple_fold): Remove.
4565 * gimple.c (gimple_fold): Remove. Inline into single user ...
4566 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4567 Try harder for conditions.
4569 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4572 * function.c (used_types_insert): Don't skip through named pointer
4573 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4574 and it is different from the main variant's type.
4576 2010-02-26 Nick Clifton <nickc@redhat.com>
4578 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4580 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4582 * config.gcc: Support --with-fpmath=sse for x86.
4584 * config/i386/ssemath.h: New.
4586 * doc/install.texi (--with-fpmath=sse): Documented.
4588 2010-02-26 Richard Guenther <rguenther@suse.de>
4590 PR tree-optimization/43188
4591 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4592 vector types of over-aligned element type.
4594 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4597 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4598 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4600 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4602 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4604 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4606 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4607 * var-tracking.c: Include diagnostic.h.
4608 (debug_dv): New function.
4609 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4612 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4613 (add_value_chain, add_value_chains, remove_value_chain,
4614 remove_value_chains): Handle DEBUG_EXPRs.
4615 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4618 * regcprop.c (struct queued_debug_insn_change): New type.
4619 (struct value_data_entry): Add debug_insn_changes field.
4620 (struct value_data): Add n_debug_insn_changes field.
4621 (debug_insn_changes_pool): New variable.
4622 (free_debug_insn_changes, apply_debug_insn_changes,
4623 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4624 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4625 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4627 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4629 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4630 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4631 changes, call cprop_find_used_regs via note_stores.
4632 (copyprop_hardreg_forward): When copying vd from predecessor
4633 which has any queued DEBUG_INSN changes, make sure the pointers are
4634 cleared. At the end call df_analyze and then if there are any
4635 DEBUG_INSN changes queued at the end of some basic block for still
4636 live registers, apply them.
4637 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4639 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4641 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4644 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4646 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4647 targets. Set the default with_cpu/with_arch from arch/cpu.
4648 Allow x86-64 and native for with_cpu/with_arch.
4650 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4652 * ebitmap.c: Change calls to verify_popcount with calls to
4653 sbitmap_verify_popcount.
4654 (ebitmap_clear_bit): Fixed map->cacheindex test and
4655 map>cache update when bit clearing results in an empty
4658 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4661 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4662 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4663 and support both V2DF and V2DI modes.
4664 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4665 support both V2DF and V2DI modes.
4666 (general): Delete trailing whitespace from a few patterns.
4668 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4669 V2DF/V2DI interleave high/low builtins.
4671 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4674 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4675 interleave high/low functions.
4677 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4679 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4680 #pragma extern_prefix.
4682 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4685 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4686 BLKmode, assert op0 is a MEM and just adjust its mode.
4689 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4690 if bitpos isn't multiple of mode's bitsize.
4692 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4694 * c.opt (-ftemplate-depth=): New.
4695 (-ftemplate-depth-): Deprecate.
4696 * optc-gen.awk: Handle -ftemplate-depth=.
4697 * opth-gen.awk: Likewise.
4698 * c-opts.c (c_common_handle_option): Likewise.
4699 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4701 2010-02-24 Jason Merrill <jason@redhat.com>
4703 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4705 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4707 * cfg.c (alloc_aux_for_block): Remove inline.
4708 (alloc_aux_for_edge): Likewise.
4710 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4712 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4714 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4716 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4717 * config/i386/sol2-gas.h: New file.
4718 * config.gcc (i[34567]86-*-solaris2*): Use it.
4720 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4723 * c-typeck.c (ep_convert_and_check): New.
4724 (build_conditional_expr): Use it.
4725 (build_binary_op): Likewise.
4727 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4729 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4732 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4733 bounds even for -O+.
4734 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4735 expr needs to have DECL_NAME set.
4737 2010-02-24 Nick Clifton <nickc@redhat.com>
4739 * config/mep/mep.c: Include gimple.h.
4740 (mep_function_uses_sp): Delete unused function.
4741 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4742 parameters. Use unsigned integers to count args. Return a
4743 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4745 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4748 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4749 greater or equal to nelt instead of 2 * nelt.
4750 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4753 2010-02-23 Jason Merrill <jason@redhat.com>
4756 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4757 in cfun->local_decls even if they have register types.
4760 * stor-layout.c (place_field): Don't warn about unnecessary
4761 DECL_PACKED if the type is packed.
4763 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4766 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4767 GOTOFF relocs, even when the base reg isn't pic pointer.
4769 2010-02-23 Michael Matz <matz@suse.de>
4772 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4773 (expand_gimple_basic_block): Generate and use debug temps if there
4774 are debug uses left after the last real use of TERed ssa names.
4775 Unlink debug immediate uses when they are expanded.
4777 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4780 * config/i386/i386.c (override_options): Reorganise to provide
4781 better error messages.
4783 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4786 * graphite-scop-detection.c (create_single_exit_edge): Move
4787 the call to find_single_exit_edge to....
4788 (create_sese_edges): ...here. Don't handle multiple edges
4789 exiting the function.
4790 (build_graphite_scops): Don't handle multiple edges
4791 exiting the function.
4793 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4796 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4797 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4799 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4802 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4804 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4807 * c-typeck.c (convert_arguments): Print declaration location.
4808 * c-common.c (validate_nargs): Rename as
4809 builtin_function_validate_nargs.
4810 (check_builtin_function_arguments): Update.
4812 2010-02-22 Richard Guenther <rguenther@suse.de>
4815 * tree-inline.c (declare_return_variable): Use the type of
4816 the call stmt lhs if available.
4818 2010-02-22 Duncan Sands <baldrick@free.fr>
4820 * passes.c (register_pass): Always consider all pass lists when
4821 ref_pass_instance_number is zero.
4823 2010-02-22 Richard Guenther <rguenther@suse.de>
4825 PR tree-optimization/42749
4826 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4827 parameter. Do arithmetic in the original type.
4828 (update_accumulator_with_ops): Likewise.
4829 (adjust_accumulator_values): Adjust.
4831 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4833 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4834 (QI to BLKmode splitter): New splitter.
4836 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4838 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4839 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4841 2010-02-22 Richard Guenther <rguenther@suse.de>
4843 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4845 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4847 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4848 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4849 ($(T)crti.o, $(T)crtn.o): Remove rules.
4851 2010-02-21 Tobias Burnus <burnus@net-b.de>
4854 * doc/invoke.texi (-fassociative-math): Document that this
4855 option is automatically enabled for Fortran.
4857 2010-02-20 David S. Miller <davem@davemloft.net>
4859 * configure.ac: Test if linker and assembler properly support
4860 GOTDATA_OP relocations.
4861 * configure: Rebuild.
4862 * config.in: Likewise.
4863 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4864 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4865 (movsi_high_pic): Likewise.
4866 (movdi_lo_sum_pic): Likewise.
4867 (movdi_high_pic): Likewise.
4868 (movsi_pic_gotdata_op): New pattern.
4869 (movdi_pic_gotdata_op): Likewise.
4870 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4871 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4873 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4876 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4877 attribute to ssemul.
4878 (xop_mulv2div2di3_high): Ditto.
4880 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4883 * c.opt (Wconversion-null): New option.
4884 * doc/invoke.texi (Wconversion-null): Document.
4886 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4888 * common.opt (Wlarger-than-): Add Undocumented.
4890 2010-02-19 Mike Stump <mikestump@comcast.net>
4892 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4894 2010-02-19 Jason Merrill <jason@redhat.com>
4897 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4898 * configure: Likewise.
4900 2010-02-20 Alan Modra <amodra@gmail.com>
4903 * cgraph.h (cgraph_make_decl_local): Declare.
4904 * cgraph.c (cgraph_make_decl_local): New function.
4905 (cgraph_make_node_local): Use it.
4906 * cgraphunit.c (cgraph_function_versioning): Likewise.
4907 * ipa.c (function_and_variable_visibility): Likewise.
4909 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4912 * except.c (sjlj_emit_function_enter): Don't call
4913 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4915 * rtl.h (add_reg_br_prob_note): Remove prototype.
4917 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4920 * c-common.c (conversion_warning): Remove widening conversions
4921 before checking the conversion of integers to reals.
4923 2010-02-19 Mike Stump <mikestump@comcast.net>
4926 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4929 * cgraphunit.c (process_function_and_variable_attributes): Check
4930 DECL_PRESERVE_P instead of looking up attribute "used".
4931 * ipa-pure-const.c (check_decl): Likewise.
4932 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4933 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4934 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4935 instead of attribute "used".
4936 * config/sol2-c.c (solaris_pragma_init): Likewise.
4937 (solaris_pragma_fini): Likewise.
4939 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4941 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4942 Use XCNEW instead of xcalloc.
4943 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4944 XNEW instead of xmalloc.
4945 (get_fields): Use XNEWVEC instead of xmalloc.
4948 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4949 populate vars array.
4950 (create_new_general_access): For debug stmts just reset value.
4951 (get_stmt_accesses): For accesses within debug stmts just record them
4952 using add_access_to_acc_sites instead of preventing the peeling or
4953 counting them as accesses.
4956 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4958 2010-02-19 Richard Guenther <rguenther@suse.de>
4960 PR tree-optimization/42916
4961 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4964 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4966 * configure.ac: Replace all uses of changequote in macro arguments
4967 with proper quoting.
4969 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4972 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4974 2010-02-19 Richard Guenther <rguenther@suse.de>
4976 PR tree-optimization/42944
4977 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4978 test for aliasing with errno.
4980 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4983 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4984 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4985 * dojump.c: Include output.h.
4986 (inv): New inline function.
4987 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4988 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4989 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4990 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4991 argument, pass it down to other calls.
4992 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4993 add REG_BR_PROB note to the conditional jump.
4994 * cfgexpand.c (add_reg_br_prob_note): Removed.
4995 (expand_gimple_cond): Don't call it, add the probability
4996 as last argument to jumpif_1/jumpifnot_1.
4997 * Makefile.in (dojump.o): Depend on output.h.
4998 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5000 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5001 * stmt.c (do_jump_if_equal): Likewise.
5002 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5003 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5004 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5006 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5007 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5008 jumpifnot_1 callers.
5009 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5011 (store_expr): Adjust jumpifnot caller.
5012 (store_constructor): Adjust jumpif caller.
5015 * gimplify.c (gimple_boolify): For __builtin_expect call
5016 gimple_boolify also on its first argument.
5018 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5020 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5022 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5023 * configure: Regenerated.
5025 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5027 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5028 lang_hooks.types_compatible_p instead of comptypes.
5030 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5032 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5033 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5034 if __prefer_thumb__ is defined.
5036 2010-02-18 Martin Jambor <mjambor@suse.cz>
5038 PR tree-optimization/43066
5039 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5040 array with zero-sized element type.
5042 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5044 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5045 rtx, allocate struct var_loc_node here and return it to the
5046 caller, and only if it is actually needed.
5047 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5048 move it earlier and return immediately if it returns NULL.
5050 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5052 * config/sparc/gas.h: New file. Restore
5053 TARGET_ASM_NAMED_SECTION to its ELF default.
5054 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5056 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5057 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5058 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5059 after sparc/sysv4.h.
5061 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5063 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5065 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5067 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5068 patterns from predicated pattern.
5070 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5073 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5074 for insn mnemonic suffix.
5076 2010-02-17 Richard Guenther <rguenther@suse.de>
5078 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5081 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5084 * caller-save.c (save_call_clobbered_regs): If BB ends with
5085 a DEBUG_INSN, move any notes in between last real insn and the last
5086 DEBUG_INSN after the last DEBUG_INSN.
5088 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5090 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5091 Fix return type. Fix argument type. Explain meaning of return value.
5093 2010-02-16 Richard Guenther <rguenther@suse.de>
5095 PR tree-optimization/41043
5096 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5097 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5099 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5101 2010-02-16 Ira Rosen <irar@il.ibm.com>
5103 PR tree-optimization/43074
5104 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5105 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5106 vectorizable cycles in hybrid SLP check.
5107 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5109 2010-02-16 Richard Guenther <rguenther@suse.de>
5111 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5112 (true_dependence): If memrefs_conflict_p computes must-alias
5113 trust it. Move TBAA check after offset-based disambiguation.
5114 (canon_true_dependence): Likewise.
5116 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5118 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5119 * doc/invoke.texi: Document it.
5120 * var-tracking.c: Include toplev.h and params.h.
5121 (vt_find_locations): Return bool indicating success. Compute
5122 hash sizes unconditionally. Check new parameter, report.
5123 (variable_tracking_main_1): Check vt_find_locations results and
5124 retry. Renamed from...
5125 (variable_tracking_main): ... this. New wrapper to preserve
5126 flag_var_tracking_assignments.
5127 * Makefile.in (var-tracking.o): Adjust dependencies.
5129 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5130 Jakub Jelinek <jakub@redhat.com>
5133 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5134 if weak_import attribute is present.
5135 * config/darwin.c (machopic_select_section): Likewise.
5137 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5139 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5140 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5141 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5142 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5144 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
5146 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5149 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5150 Rewrite text to refer to the names.
5152 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5154 * config/i386/i386-builtin-types.def
5155 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5156 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5157 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5158 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5159 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5160 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5161 IX86_BUILTIN_VPERMIL2PS256.
5162 (MULTI_ARG_4_DF2_DI_I): Defined.
5163 (MULTI_ARG_4_DF2_DI_I1): Defined.
5164 (MULTI_ARG_4_SF2_SI_I): Defined.
5165 (MULTI_ARG_4_SF2_SI_I1): Defined.
5166 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5167 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5168 __builtin_ia32_vpermil2ps256.
5169 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5170 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5171 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5172 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5173 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5174 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5175 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5176 CODE_FOR_xop_vpermil2v8sf3.
5177 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5178 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5179 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5180 (_mm256_permute2_pd): New.
5181 (_mm_permute2_ps): New.
5182 (_mm256_permute2_ps): New.
5184 2010-02-15 Nick Clifton <nickc@redhat.com>
5186 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5187 boolean parameters. Use emit_jump_insn when emitting a pop
5188 instruction containing a return insn.
5189 (push): Use 'true' rather than '1' as second parameter to F.
5190 (h8300_expand_prologue): Likewise.
5191 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5192 (h8300_expand_epilogue): Likewise.
5194 2010-02-15 Richard Guenther <rguenther@suse.de>
5197 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5200 2010-02-15 Nick Clifton <nickc@redhat.com>
5202 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5205 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5207 * intl.c (fake_ngettext): New function.
5208 * intl.h (fake_ngettext): Declare.
5209 (ngettext): Define macro.
5210 * collect2.c (notice_translated): New function.
5211 (main): Use notice_translated and ngettext.
5212 * collect2.h (notice_translated): Declare.
5214 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5216 * reorg.c (delete_computation): Comment fixes.
5217 * caller-save.c (setup_save_areas): Idem.
5218 * sel-sched-dump.c (dump_lv_set): Idem.
5221 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5223 * config/s390/s390.c (s390_sched_init): New function.
5224 (TARGET_SCHED_INIT): Target hook defined.
5226 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5227 Jack Howarth <howarth@bromo.med.uc.edu>
5228 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5231 Partial revert of unintended change in fix for PR41605.
5232 * config/darwin.h: Fix typo.
5233 * config/darwin9.h: Same.
5235 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5237 * c-pch.c (pch_init): Clear v.
5239 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5242 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5243 graphite_can_represent_init for MULT_EXPR.
5245 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5249 * graphite-sese-to-poly.c (remove_phi): New.
5250 (translate_scalar_reduction_to_array): Call remove_phi.
5252 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5255 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5256 * graphite-clast-to-gimple.h (gloog): Update declaration.
5257 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5258 * graphite-poly.h (struct poly_bb): Add missing comments.
5259 (struct scop): Add poly_scop_p field.
5261 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5262 * graphite.c (graphite_transform_loops): Build the polyhedral
5263 representation for each scop before code generation.
5264 * sese.c (rename_variables_in_operand): Removed.
5265 (rename_variables_in_expr): Return the renamed expression.
5266 (rename_sese_parameters): New.
5267 * sese.h (rename_sese_parameters): Declared.
5269 2010-02-11 Richard Guenther <rguenther@suse.de>
5271 PR tree-optimization/42998
5272 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5273 POINTER_PLUS_EXPR properly.
5275 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5276 Changpeng Fang <changpeng.fang@amd.com>
5279 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5280 the cost of an IV candidate when the IV is used in a test against zero.
5282 * gcc.dg/tree-ssa/ivopts-3.c: New.
5284 2010-02-11 Richard Guenther <rguenther@suse.de>
5287 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5288 pointer-vs-decl case by swapping refs. Handle some cases
5289 of pointer-vs-decl disambiguations more conservatively.
5290 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5291 to false after expanding.
5293 2010-02-11 Richard Guenther <rguenther@suse.de>
5296 * gcc.c (process_command): Handle LTO file@offset case more
5299 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5301 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5302 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5304 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5306 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5307 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5308 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5309 Optimize eq/ne comparisons when both arguments are known to be
5311 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5312 Don't mask operands unnecessarily if they are known to be already
5315 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5317 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5320 2010-02-10 Richard Guenther <rguenther@suse.de>
5322 PR tree-optimization/43017
5323 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5324 for wrapping signed arithmetic.
5326 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5329 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5330 if no debug info should be emitted for it.
5332 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5334 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5335 note when flag_exceptions is set.
5337 2010-02-10 Duncan Sands <baldrick@free.fr>
5339 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5341 2010-02-10 Richard Guenther <rguenther@suse.de>
5344 * tree.c (get_unwidened): Handle constants.
5345 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5347 2010-02-10 Martin Jambor <mjambor@suse.cz>
5350 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5351 check for variable argument counts independently.
5353 2010-02-10 Christian Bruel <christian.bruel@st.com>
5356 * config/sh/sh.c (find_barrier): Increase length for non delayed
5357 conditional branches.
5359 2010-02-10 Christian Bruel <christian.bruel@st.com>
5361 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5363 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5365 * builtins.c (set_builtin_user_assembler_name): Also handle
5366 ffs if int is smaller than word.
5368 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5371 * ira-conflicts.c (get_dup): Remove.
5372 (process_reg_shuffles): Add new parameter. Use it as an
5373 additional guard for copy generation.
5374 (add_insn_allocno_copies): Rewrite.
5376 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5378 * common.opt (fsched2-use-traces): Preserved for backward
5380 * doc/invoke.texi: Remove the documentation about option
5381 -fsched2-use-traces.
5382 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5383 flag_sched2_use_traces.
5384 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5385 the backward compatibility flag section.
5387 2010-02-09 Richard Guenther <rguenther@suse.de>
5389 PR tree-optimization/43008
5390 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5391 make HEAP variables initialized from global memory if they
5392 are not known builtin functions.
5393 (find_func_aliases): Adjust.
5395 2010-02-09 Richard Guenther <rguenther@suse.de>
5397 PR tree-optimization/43000
5398 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5399 arithmetic manually.
5401 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5403 PR tree-optimization/42931
5404 * tree-loop-linear.c (try_interchange_loops): Don't call
5405 double_int_mul if estimated_loop_iterations failed.
5407 2010-02-08 Martin Jambor <mjambor@suse.cz>
5410 * tree-sra.c (build_accesses_from_assign): Do not mark in
5411 should_scalarize_away_bitmap if stmt has volatile ops.
5412 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5415 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5417 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5419 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5421 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5424 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5427 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5429 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5432 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5433 to unknown_dependence.
5434 (graphite_legal_transform_dr): Handle the unknown_dependence.
5435 (graphite_carried_dependence_level_k): Same.
5437 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5439 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5441 2010-02-07 Richard Guenther <rguenther@suse.de>
5444 * expr.c (get_inner_reference): Always initialize *pbitsize.
5446 2010-02-07 Richard Guenther <rguenther@suse.de>
5449 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5450 new ARRAY_REFs on variable size element or minimal index arrays.
5452 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5453 gimple_fold_indirect_ref.
5455 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5458 * arm.c (arm_override_options): Just return if the user has specified
5459 an invalid fpu name.
5461 2010-02-03 Jason Merrill <jason@redhat.com>
5464 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5465 i386_pe_maybe_record_exported_symbol.
5467 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5470 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5471 (pa_delegitimize_address): New function.
5473 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5475 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5476 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5478 2010-02-05 Richard Guenther <rguenther@suse.de>
5481 * lto-streamer-in.c (get_resolution): Deal with references
5482 to undefined functions.
5484 2010-02-05 Richard Guenther <rguenther@suse.de>
5486 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5487 (fold_const_aggregate_ref): Likewise.
5488 (ccp_fold_stmt): Substitute loads.
5489 (maybe_fold_reference): Verify types before substituting.
5491 (fold_gimple_assign): Unshare properly.
5492 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5494 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5496 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5497 for rs6000_gen_cell_microcode.
5499 2010-02-04 Richard Guenther <rguenther@suse.de>
5501 PR rtl-optimization/42952
5502 * dse.c (const_or_frame_p): Remove MEM handling.
5504 2010-02-04 Nick Clifton <nickc@redhat.com>
5506 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5507 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5508 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5509 (mn10300_asm_output_mi_thunk): New function.
5510 (mn10300_can_output_mu_thunk): New function.
5511 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5512 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5513 (FUNCTION_ARG): Delete incorrect comment.
5515 2010-02-03 Jason Merrill <jason@redhat.com>
5518 * fold-const.c (operand_equal_p): Handle erroneous types.
5520 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5522 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5524 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5526 PR rtl-optimization/42941
5527 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5530 2010-02-03 Jason Merrill <jason@redhat.com>
5533 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5535 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5538 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5539 (cselib_reset_table): Renamed from...
5540 (cselib_reset_table_with_next_value): ... this.
5541 (cselib_get_next_uid): Renamed from...
5542 (cselib_get_next_unknown_value): ... this.
5543 * cselib.c (next_uid): Renamed from...
5544 (next_unknown_value): ... this.
5545 (cselib_clear_table): Adjust.
5546 (cselib_reset_table): Adjust. Renamed from...
5547 (cselib_reset_table_with_next_value): ... this.
5548 (cselib_get_next_uid): Adjust. Renamed from...
5549 (cselib_get_next_unknown_value): ... this.
5550 (get_value_hash): Use hash.
5551 (cselib_hash_rtx): Likewise.
5552 (new_cselib_val): Adjust. Set and dump uid.
5553 (cselib_lookup_mem): Pass next_uid as hash.
5554 (cselib_subst_to_values): Likewise.
5555 (cselib_log_lookup): Dump uid.
5556 (cselib_lookup): Pass next_uid as hash. Adjust.
5557 (cselib_process_insn): Adjust.
5558 (cselib_init): Initialize next_uid.
5559 (cselib_finish): Adjust.
5560 (dump_cselib_table): Likewise.
5561 * dse.c (canon_address): Dump value uid.
5562 * print-rtl.c (print_rtx): Print value uid.
5563 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5565 (dv_uid): New function, sort of renamed from...
5566 (dv_htab_hash): ... this, reimplemented in terms of it and...
5567 (dv_uid2hash): ... this. New.
5568 (variable_htab_eq): Drop excess assertions.
5569 (tie_break_pointers): Removed.
5570 (canon_value_cmp): Compare uids.
5571 (variable_post_merge_New_vals): Print uids.
5572 (vt_add_function_parameters): Adjust.
5573 (vt_initialize): Reset table. Adjust.
5575 2010-02-03 Richard Guenther <rguenther@suse.de>
5577 PR tree-optimization/42944
5578 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5579 (call_may_clobber_ref_p_1): Likewise. Properly handle
5580 malloc and calloc clobbering errno.
5582 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5584 * doc/invoke.texi: Fix name of sched1 dump.
5586 * opts.c (decode_options): Set flag_tree_switch_conversion
5587 only conditionally on optimize >= 2.
5589 * gcse.c: Assorted comment fixes in pass description.
5591 2010-02-03 Anthony Green <green@moxielogic.com>
5593 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5594 nop padding in order to maintain alignment of storage location of
5595 target function address.
5596 (moxie_trampoline_init): Store target function address at newly
5598 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5600 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5602 2010-02-03 Richard Guenther <rguenther@suse.de>
5605 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5607 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5609 * config.gcc: Reenable check for obsolete targets.
5610 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5611 mips-sgi-irix6.[0-4]*.
5613 2010-02-02 Nick Clifton <nickc@redhat.com>
5615 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5616 constant size of 4 as being the same as 0.
5617 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5618 can take values in the range 0..4.
5620 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5623 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5624 as _darwin10_Unwind_FindEnclosingFunction().
5625 * libgcc-libsystem.ver: New.
5627 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5630 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5631 implicitly set registers.
5633 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5635 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5636 (arm_override_options): Allow automatic selection of the thread
5637 pointer register if thumb2.
5638 (legitimize_pic_address): Improve code sequences for Thumb2.
5639 (arm_call_tls_get_addr): Likewise.
5640 (legitimize_tls_address): Likewise.
5641 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5642 (pic_load_addr_32bit): ... this. New named pattern.
5643 * thumb2.md (pic_load_addr_thumb2): Delete.
5644 (pic_load_dot_plus_four): Delete.
5645 (tls_load_dot_plus_four): New named pattern.
5647 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5650 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5651 Document fix for TLS bug.
5653 2010-01-31 Richard Guenther <rguenther@suse.de>
5655 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5656 conservatively correct.
5658 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5662 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5664 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5666 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5668 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5670 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5672 * config.gcc: Adjust order of makefile fragments for mingw targets.
5674 2010-01-31 Richard Guenther <rguenther@suse.de>
5677 * gimplify.c (gimplify_init_constructor): For volatile LHS
5678 initialize a temporary.
5680 2010-01-31 Matthias Klose <doko@ubuntu.com>
5682 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5684 * configure: Regenerate.
5686 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5688 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5689 the same alias set and their sizes different constantness.
5690 (aliasing_component_refs_p): Revert 2009-10-24 change.
5692 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5694 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5697 2010-01-29 Richard Guenther <rguenther@suse.de>
5699 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5700 Assert we successfully updated the call.
5702 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5704 PR rtl-optimization/42889
5705 * df.h (df_set_bb_dirty_nonlr): New prototype.
5706 * df-core.c (df_set_bb_dirty_nonlr): New function.
5707 * df-scan.c (df_insn_rescan): Call it instead of
5708 df_set_bb_dirty for DEBUG_INSNs.
5710 2010-01-29 Richard Guenther <rguenther@suse.de>
5713 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5714 quadratic behavior in most cases.
5716 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5719 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5720 in the call to gen_x86_movsicc_0_m1.
5722 2010-01-28 Richard Guenther <rguenther@suse.de>
5724 PR tree-optimization/42871
5725 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5727 2010-01-28 Richard Guenther <rguenther@suse.de>
5729 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5730 into call arguments.
5732 2010-01-28 Richard Guenther <rguenther@suse.de>
5735 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5736 the forwarder if the destination is an EH landing pad.
5738 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5740 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5741 block list passed to gimple_duplicate_sese_tail.
5742 (parallelize_loops): Avoid parallelization when the function
5744 Avoid parallelization when the preheader is IRREDUCIBLE.
5745 Try to optimize when estimated_loop_iterations_int is unresolved.
5746 Add the loop's location to the dump file.
5747 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5748 (gimple_duplicate_sese_tail): Remove the check for the latch.
5749 Redirect nexits to the exit block.
5750 Remove handling of the incoming edges to the latch.
5751 Redirect the backedge from the copied latch to the exit bb.
5753 2010-01-28 Michael Matz <matz@suse.de>
5756 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5757 Wrap force_reg into a sequence, emit it before user.
5759 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5761 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5763 (arm_legacy_rev): Likewise.
5764 (thumb_legacy_rev): Likewise.
5766 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5768 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5769 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5770 on MEM's address failed, try avoid_constant_pool_reference and
5771 recurse if it returned something different.
5772 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5773 address, try avoid_constant_pool_reference and recurse if it
5774 returned something different.
5775 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5776 address and avoid_constant_pool_reference returned something
5777 different, don't set have_address.
5779 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5782 * var-tracking.c (val_store): Add modified argument, obey it.
5784 (count_uses): Move down logging of main.
5785 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5786 don't need resolution.
5787 (emit_notes_in_bb): Likewise.
5789 2010-01-27 Richard Guenther <rguenther@suse.de>
5792 * tree-inline.c (remap_decl): Delay remapping of SSA name
5793 default definitions until we need them.
5795 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5797 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5798 (rs6000_delegitimize_address): New function.
5800 * config/s390/s390.c (s390_delegitimize_address): Call
5801 delegitimize_mem_from_attrs.
5804 * tree-inline.c (cannot_copy_type_1): Removed.
5805 (copy_forbidden): Don't forbid copying of functions containing
5806 records/unions with variable length fields.
5808 2010-01-27 Christian Bruel <christian.bruel@st.com>
5812 * config/sh/sh.c (find_barrier): Increase length for non delayed
5813 conditional branches.
5815 2010-01-27 Matthias Klose <doko@ubuntu.com>
5817 * configure.ac (gnu-unique-object): Fix ldd version check.
5818 * configure: Regenerate.
5820 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5822 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5824 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5825 Test for HAVE_GNU_AS value.
5827 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5829 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5830 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5831 INT64_TYPE): Define.
5832 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5833 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5834 INT_LEAST64_TYPE): Define.
5835 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5836 UINT_LEAST64_TYPE): Define.
5837 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5838 INT_FAST64_TYPE): Define.
5839 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5840 UINT_FAST64_TYPE): Define.
5841 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5842 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5843 (SIG_ATOMIC_TYPE): Define.
5845 2010-01-26 Richard Guenther <rguenther@suse.de>
5847 * df-scan.c (df_scan_set_bb_info): Remove assert.
5848 (df_insn_rescan_debug_internal): Merge asserts.
5849 (df_install_ref): Likewise.
5850 (df_mark_reg): Use bitmap_set_range.
5851 (df_hard_reg_used_p): Remove assert.
5852 (df_hard_reg_used_count): Likewise.
5854 2010-01-26 Richard Guenther <rguenther@suse.de>
5856 PR rtl-optimization/42685
5857 * web.c (web_main): Ignore DEBUG_INSNs.
5859 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5861 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5863 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5864 Fix types of fndecl and arglist parameters.
5866 2010-01-26 Richard Guenther <rguenther@suse.de>
5869 * tree-eh.c (unsplit_eh): Skip debug insns.
5871 2010-01-26 Richard Guenther <rguenther@suse.de>
5873 PR tree-optimization/42250
5874 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5876 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5879 * omp-low.c (expand_omp_sections): Only use single_pred if
5880 l2_bb is single_pred_p.
5882 2010-01-25 Christian Bruel <christian.bruel@st.com>
5885 * config/sh/sh.c (find_barrier): Increase length for non delayed
5886 conditional branches.
5887 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5889 2010-01-24 David S. Miller <davem@davemloft.net>
5891 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5892 define if not using GAS.
5893 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5894 Likewise. Delete SECTION_MERGE code, which is only applicable
5897 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5900 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5901 mangling of va_list in system headers.
5903 2010-01-23 Toon Moene <toon@moene.org>
5905 * tree-predcom.c (combine_chains): Return NULL, not false.
5907 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5909 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5910 initialization of variable res to agree with return type.
5912 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5914 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5915 * tree-sra.c: Add include of expr.h.
5917 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5919 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5920 insert the debug stmt on the single non-EH edge from the stmt.
5922 2010-01-22 Richard Henderson <rth@redhat.com>
5925 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5926 the RHS until after generate_subtree_copies has insertted its
5927 code before the current statement.
5929 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5931 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5933 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5935 2010-01-21 Martin Jambor <mjambor@suse.cz>
5937 PR tree-optimization/42585
5938 * tree-sra.c (struct access): New field grp_total_scalarization.
5939 (dump_access): Dump the new field.
5940 (should_scalarize_away_bitmap): New variable.
5941 (cannot_scalarize_away_bitmap): Likewise.
5942 (sra_initialize): Allocate new bitmaps.
5943 (sra_deinitialize): Free new bitmaps.
5944 (create_access_1): New function.
5945 (create_access): Parts moved to create_access_1.
5946 (type_consists_of_records_p): New function.
5947 (completely_scalarize_record): Likewise.
5948 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5949 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5950 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5952 (analyze_all_variable_accesses): Completely scalarize small eligible
5955 2010-01-21 Martin Jambor <mjambor@suse.cz>
5957 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5959 2010-01-21 Andrew Haley <aph@redhat.com>
5961 * gcc.c (process_command): Move lang_specific_driver before
5962 setting cc_libexec_prefix.
5964 2010-01-21 Richard Guenther <rguenther@suse.de>
5967 * fold-const.c (negate_expr_p): Pretend only negative
5968 real constants are easily negatable.
5970 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5971 Jason Merrill <jason@redhat.com>
5973 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5974 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5975 * calls.c (initialize argument_information): Handle it.
5976 * c-common.c (handle_transparent_union_attribute): Use new name.
5977 * c-decl.c (finish_struct): Ditto.
5978 * c-typeck.c (type_lists_compatible_p): Ditto.
5979 (convert_for_assignment): Use new name and also handle record.
5980 * function.c (aggregate_value_p): Handle it.
5981 (pass_by_reference): Ditto.
5982 (assign_parm_data_types): Ditto.
5983 * print-tree.c (print_node): Ditto.
5984 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5985 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5986 * tree.c (first_field): New fn.
5988 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5991 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5992 even when linking statically, for now.
5994 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5997 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5998 without a cselib val.
5999 (count_uses): Accept MO_VAL_SET with no val on stores.
6000 (add_stores): Likewise.
6002 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6004 * var-tracking.c (check_value_val): Add a compile time assertion.
6005 (dv_is_decl_p): Simplify.
6006 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6007 gcc_assert if ENABLE_CHECKING.
6009 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6012 * var-tracking.c: Include tree-flow.h.
6013 (mem_dies_at_call): New.
6014 (dataflow_set_preserve_mem_locs): Use it.
6015 (dataflow_set_remove_mem_locs): Likewise.
6016 (dump_var): Renamed from dump_variable. Adjust all callers.
6017 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6018 * Makefile.in (var-tracking.o): Adjust deps.
6020 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6022 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6024 2010-01-20 Richard Guenther <rguenther@suse.de>
6026 PR tree-optimization/42717
6027 * tree-ssa-dce.c (get_live_post_dom): Remove.
6028 (forward_edge_to_pdom): Take an arbitrary edge to copy
6029 degenerate PHI args from.
6030 (remove_dead_stmt): Use the first post-dominator even if it
6031 does not contain live statements as redirection destination.
6033 2010-01-20 Richard Guenther <rguenther@suse.de>
6035 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6037 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6039 * sel-sched.c (create_speculation_check): Remove set but not used
6041 (try_transformation_cache): Remove set but not used variable ds.
6042 (calculate_privileged_insns): Remove set but not used variables
6043 cur_insn and min_spec_insn.
6044 (find_best_expr): Remove set but not used variable avail_n.
6045 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6047 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6049 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6050 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6053 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6056 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6057 cpu types. Add support for *-sse3 cpu types.
6058 (x86_64-*-*): Ditto.
6060 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6063 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6064 argument, call initializer_constant_valid_p_1 instead of
6065 initializer_constant_valid_p, pass CACHE to it, return NULL
6066 immediately if first call returns NULL.
6067 (initializer_constant_valid_p_1): New function.
6068 (initializer_constant_valid_p): Use it.
6070 2010-01-20 Thomas Quinot <quinot@adacore.com>
6072 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6074 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6076 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6077 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6078 (loc_list_from_tree): Don't handle unsigned division. Handle
6079 signed modulo using DW_OP_{over,over,div,mul,minus}.
6080 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6081 modulo instead of signed.
6083 2010-01-20 DJ Delorie <dj@redhat.com>
6085 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6087 (h8300_emit_stack_adjustment): Propogate it.
6089 (h8300_expand_prologue): Likewise.
6090 (h8300_expand_epilogue): Likewise.
6092 2010-01-19 Michael Matz <matz@suse.de>
6094 PR tree-optimization/41783
6095 * tree-data-ref.c (toplevel): Include flags.h.
6096 (dump_data_dependence_relation): Also dump the inputs if the
6097 result will be unknown.
6098 (split_constant_offset_1): Look through some conversions.
6099 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6100 the offset from last element is too large.
6101 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6102 (reassociate_to_the_same_stmt): Handle vector registers.
6103 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6105 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6106 wide_prolog_niters argument, emit widening instructions.
6107 (vect_do_peeling_for_alignment): Adjust caller, use widened
6108 variant of the iteration cound.
6109 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6111 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6114 * config/arm/neon-testgen.m (emit_automatics): New parameter
6115 features. Adjust for Fixed_return_reg feature.
6116 (test_intrinsic): Call emit_automatics with new feature.
6117 * config/arm/neon.ml: Update copyright years.
6118 (features): New Fixed_return_reg feature.
6119 (ops): Update feature for Vget_low.
6121 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6123 PR tree-optimization/42719
6124 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6128 * fwprop.c (all_uses_available_at): Return false if def_set dest
6129 is a REG that is used in def_insn.
6131 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6133 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6135 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6138 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6140 * target.h (struct gcc_target) <secondary_reload>: Change type
6141 of last argument to secondary_reload_info *.
6143 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6146 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6147 memory references with unaligned offsets. Remove CQImode handling.
6148 (unaligned_memory_operand): Return 1 for memory references with
6149 unaligned offsets. Remove CQImode handling.
6151 2010-01-18 Richard Guenther <rguenther@suse.de>
6154 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6157 2010-01-18 Richard Guenther <rguenther@suse.de>
6159 PR tree-optimization/42781
6160 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6161 restrict processing only if the original variable was artificial.
6163 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6165 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6166 find number of popped argument bytes.
6168 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6169 Fix the text that describes the return value for invalid insns.
6171 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6173 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6174 Clarify what 'cost of the -dependence' is. Fix quoting.
6176 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6177 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6179 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6181 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6182 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6184 2010-01-17 Richard Guenther <rguenther@suse.de>
6187 * function.c (split_complex_args): Take a VEC to modify.
6188 (assign_parms_augmented_arg_list): Build a VEC instead of
6189 a chain of PARM_DECLs.
6190 (assign_parms_unsplit_complex): Take a VEC of arguments.
6191 Do not fixup unmodified parms.
6192 (assign_parms): Deal with the VEC.
6193 (gimplify_parameters): Likewise.
6195 2010-01-17 Richard Guenther <rguenther@suse.de>
6197 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6198 node existence check.
6199 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6200 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6201 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6202 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6203 (gimple_execute_on_growing_pred): Likewise.
6205 2010-01-17 Richard Guenther <rguenther@suse.de>
6207 PR tree-optimization/42773
6208 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6209 (compute_antic_aux): Likewise.
6210 (compute_partial_antic_aux): Likewise.
6212 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6215 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6218 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6220 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6223 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6224 Fix markup for strict argument.
6226 (TARGET_SCHED_REORDER2): Fix argument types.
6228 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6229 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6231 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6232 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6234 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6237 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6238 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6239 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6240 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6241 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6243 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6245 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6247 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6248 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6250 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6252 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6255 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6257 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6258 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6260 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6262 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6264 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6265 referring to it. Fix language.
6267 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6269 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6271 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6273 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6275 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6276 '@var{stream}. Remove stray 'and'.
6278 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6280 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6282 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6284 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6285 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6287 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6288 Fix description of return value.
6289 Rename argument "sz" to "len."
6291 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6292 Clarify meaning of 'true' return value.
6294 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6296 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6297 rep_mode versus mode_rep.
6299 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6301 (TARGET_BUILTIN_DECL): Fix name.
6303 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6305 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6307 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6309 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6311 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6313 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6316 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6317 Rename argument tm_fn to md_fn.
6319 (TARGET_OPTION_PRINT): Fix argument list.
6321 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6324 * config/i386/i386.c (ix86_fixup_binary_operands):
6325 Revert FMA4 fixup of operands.
6327 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6330 * Makefile.in (write_entries_to_file, install-plugin):
6331 Use \012 instead of \n with tr.
6333 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6335 * configure.ac (HAVE_AS_REF): New C macro.
6336 * configure: Regenerate.
6337 * config.in: Likewise.
6338 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6340 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6343 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6345 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6347 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6349 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6351 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6353 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6355 (TARGET_BINDS_LOCAL_P): Fix argument type.
6357 (TARGET_ASM_FILE_END): Use prototype.
6359 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6361 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6363 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6365 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6367 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6368 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6370 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6371 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6373 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6374 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6375 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6376 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6378 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6380 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6382 (TARGET_INIT_BUILTINS): Use prototype.
6384 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6385 Put 'const char *' in braces. Fix parameter types.
6386 (TARGET_INVALID_CONVERSION): Fix parameter types.
6387 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6388 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6390 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6393 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6395 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6397 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6399 * doc/tm.texi (TARGET_HELP): Fix return type.
6401 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6402 in braces. Fix argument types.
6404 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6406 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6408 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6410 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6411 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6413 (TARGET_MANGLE_TYPE): Fix argument types.
6415 (TARGET_IRA_COVER_CLASSES): Use prototype.
6417 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6419 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6421 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6423 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6425 (TARGET_CALLEE_COPIES): Fix argument types.
6427 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6429 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6431 (TARGET_FUNCTION_VALUE): Fix argument types.
6433 (TARGET_RETURN_IN_MSB): Fix argument type.
6435 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6437 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6439 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6441 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6442 agree with return type.
6444 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6446 2010-01-15 Jing Yu <jingyu@google.com>
6448 PR rtl-optimization/42691
6449 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6450 a pseudo to a constant and are merged, and adjust comments.
6452 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6454 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6456 2010-01-15 Richard Guenther <rguenther@suse.de>
6459 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6460 labels of computed or non-local gotos to the destination.
6461 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6462 landing pad label is the first label.
6464 2010-01-15 Richard Guenther <rguenther@suse.de>
6466 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6468 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6471 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6472 to allow generation of the xssqrtdp instruction on power7.
6473 (sqrtdf2_fpr): Ditto.
6475 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6478 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6479 functions with noreturn attribute.
6482 * varasm.c (declare_weak): Add weak attribute to decl if it
6483 doesn't have one already.
6484 (assemble_external): Only add decls to weak_decls if they also
6485 have weak attribute.
6487 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6489 * var-tracking.c (var_reg_delete): Don't delete the association
6490 between REGs and values or one-part variables if the register
6493 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6496 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6497 because its first operand is a non-localized variable.
6499 2010-01-14 Martin Jambor <mjambor@suse.cz>
6501 PR tree-optimization/42706
6502 * tree-sra.c (encountered_recursive_call): New variable.
6503 (encountered_unchangable_recursive_call): Likewise.
6504 (sra_initialize): Initialize both new variables.
6505 (callsite_has_enough_arguments_p): New function.
6506 (scan_function): Call decl and flags check only for IPA-SRA, check
6507 whether there is a recursive call and whether it has enough arguments.
6508 (all_callers_have_enough_arguments_p): New function.
6509 (convert_callers): Look for recursive calls only when
6510 encountered_recursive_call is set.
6511 (ipa_early_sra): Bail out either if
6512 !all_callers_have_enough_arguments_p or
6513 encountered_unchangable_recursive_call.
6515 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6517 * sel-sched.c: Add 2010 to copyright years.
6518 * sel-sched-ir.c: Likewise.
6519 * sel-sched-ir.h: Likewise.
6521 2010-01-14 Martin Jambor <mjambor@suse.cz>
6523 PR tree-optimization/42714
6524 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6525 constructors specially.
6527 2010-01-14 Andi Kleen <ak@linux.intel.com>
6529 * config/i386/drivers-i386.c (detect_caches_intel):
6530 Add l2sizekb parameter and fill in.
6531 (host_detect_local_cpu): Add l2sizekb, fill in.
6532 Add Atom small cache heuristic.
6534 2010-01-14 Andi Kleen <ak@linux.intel.com>
6536 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6537 Add level3 parameter and fill in.
6538 (detect_caches_intel): Handle level3 cache.
6540 2010-01-14 Andi Kleen <ak@linux.intel.com>
6542 * config/i386/drivers-i386.c (host_detect_local_cpu):
6543 Fix core duo detection.
6545 2010-01-14 Andi Kleen <ak@linux.intel.com>
6547 * config/i386/drivers-i386.c (host_detect_local_cpu):
6550 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6552 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6553 (rs6000_variable_issue_1): this. Use...
6554 (rs6000_variable_issue): here. Reimplement. Print debug info.
6556 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6558 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6559 sel_restore_notes. Update all callers. Call reemit_notes
6562 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6564 PR rtl-optimization/42246
6565 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6568 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6570 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6571 all successors is the same as number of successors in current region.
6573 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6575 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6576 to rename is not separable. Otherwise check that its LHS is not NULL.
6578 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6580 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6582 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6584 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6585 available registers when failed to discover LHS register class.
6586 Fix indentation. Update comment.
6588 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6589 Alexander Monakov <amonakov@ispras.ru>
6591 PR rtl-optimization/42389
6592 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6594 (advance_state_on_fence): Likewise.
6595 (sel_target_adjust_priority): Print debug output only when
6596 sched_verbose >= 4, not 2.
6597 (get_expr_cost): Do not issue all unique insns on the next cycle.
6598 (fill_insns): Initialize can_issue_more from the value saved
6600 * sel-sched-ir.c (flist_add): New parameter issue_more.
6601 Init FENCE_ISSUE_MORE with it.
6602 (merge_fences): Likewise.
6603 (init_fences): Update call to flist_add.
6604 (add_to_fences, add_clean_fence_to_fences)
6605 (add_dirty_fence_to_fences): Likewise.
6606 (move_fence_to_fences): Update call to merge_fences.
6607 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6609 * sel-sched-ir.h (struct _fence): New field issue_more.
6610 (FENCE_ISSUE_MORE): New accessor macro.
6612 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6614 PR rtl-optimization/42388
6615 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6616 that have no predecessors nor successors. Do not call move_bb_info
6617 for empty blocks outside of current region.
6619 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6621 PR rtl-optimization/42294
6622 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6623 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6624 originators' originators.
6626 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6628 PR rtl-optimization/39453
6629 PR rtl-optimization/42246
6630 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6632 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6634 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6635 Alexander Monakov <amonakov@ispras.ru>
6638 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6639 (maybe_tidy_empty_bb): ... here. Make static. Add new
6640 argument. Update all callers.
6641 (tidy_control_flow): ... and here. Recompute topological order
6642 of basic blocks in region if necessary.
6643 (sel_redirect_edge_and_branch): Change return type. Return true
6644 if topological order might have been invalidated.
6645 (purge_empty_blocks): Export and move from...
6646 * sel-sched.c (purge_empty_blocks): ... here.
6647 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6648 (maybe_tidy_empty_bb): Delete prototype.
6649 (purge_empty_blocks): Declare.
6651 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6653 PR rtl-optimization/42249
6654 * sel-sched.c (try_replace_dest_reg): When chosen register
6655 and original register is the same, do not bail out early, but
6656 still check all original insns for validity of replacing destination
6657 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6660 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6663 Port from no-undefined-overflow branch:
6664 2009-03-09 Richard Guenther <rguenther@suse.de>
6666 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6668 2010-01-14 Richard Guenther <rguenther@suse.de>
6671 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6673 2010-01-14 Ira Rosen <irar@il.ibm.com>
6675 PR tree-optimization/42709
6676 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6677 as scalar type in creation of constant vector operand.
6679 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6682 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6683 (check-parallel-%): Match `testsuite' directory component only
6686 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6688 PR translation/39521
6689 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6692 2010-01-13 Richard Guenther <rguenther@suse.de>
6694 PR tree-optimization/42730
6695 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6698 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6701 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6702 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6705 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6707 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6708 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6709 ___umulsi3_highpart.
6711 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6712 rather than schedule_insns if the pass is enabled.
6714 2010-01-13 Martin Jambor <mjambor@suse.cz>
6716 PR tree-optimization/42704
6717 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6720 2010-01-13 Martin Jambor <mjambor@suse.cz>
6722 PR tree-optimization/42703
6723 * tree-sra.c (analyze_access_subtree): Check that we can build a
6724 reference to the original data within the aggregate.
6726 2010-01-13 Richard Guenther <rguenther@suse.de>
6728 PR tree-optimization/42705
6729 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6731 2010-01-13 Richard Guenther <rguenther@suse.de>
6734 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6736 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6739 * var-tracking.c (values_to_unmark): New variable.
6740 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6741 values_to_unmark vector. Moved body to...
6742 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6743 instead queue it into values_to_unmark vector.
6744 (vt_find_locations): Free values_to_unmark vector.
6746 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6748 * config/s390/s390.c (override_options): Set
6749 default of max-pending-list-length to 256
6751 2010-01-13 Richard Guenther <rguenther@suse.de>
6754 * tree-pass.h (PROP_gimple_lcx): New.
6755 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6756 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6757 before the final cleanup_eh.
6758 (dump_properties): Dump PROP_gimple_lcx.
6759 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6760 (tree_lower_complex_O0): Remove.
6761 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6762 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6763 tree_lower_complex, schedule TODO_update_ssa.
6764 * lto-streamer-out.c (output_function): Stream the functions
6766 * lto-streamer-in.c (input_function): Likewise.
6767 (lto_read_body): Do not override them here.
6769 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6772 * c-typeck.c (build_c_cast): Fold value cast to union type before
6773 wrapping it in a CONSTRUCTOR.
6775 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6777 PR rtl-optimization/42699
6778 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6781 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6783 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6784 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6785 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6786 SUBTARGET_WARN_UNUSED_SPEC): ... here
6787 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6789 2010-01-12 Julian Brown <julian@codesourcery.com>
6791 * config/arm/neon-schedgen.ml (Utils): Don't try to
6792 open missing module.
6793 (find_with_result): New.
6795 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6798 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6799 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6801 PR tree-optimization/42645
6802 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6803 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6804 decl_map, set processing_debug_stmt to -1 and return name without
6807 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6809 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6810 binutils version, and reword target configuration description.
6812 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6814 * config/avr/avr.h (LINKER_NAME): Remove.
6816 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6819 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6820 that support VSX, warn for -mno-altivec if vsx is not disabled,
6823 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6824 Shujing Zhao <pearly.zhao@oracle.com>
6826 PR translation/42469
6827 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6828 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6829 character between option name and help text.
6830 * c.opt (imultilib): Likewise.
6832 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6834 * lto-streamer-out.c (output_unreferenced_globals): Output static
6837 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6839 PR rtl-optimization/42621
6840 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6841 optimizing for size.
6842 (duplicate_computed_gotos): Remove now-redundant check.
6844 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6847 * configure.ac: Save and restore LDFLAGS and LIBS
6848 * configure: Regenerate.
6850 2010-01-10 Richard Guenther <rguenther@suse.de>
6853 * builtins.c (fold_builtin_strlen): Add type argument and
6854 convert the resulting length to it.
6855 (fold_builtin_1): Adjust.
6857 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6859 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6860 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6862 (num_insns_constant_wide): Adjust for that change.
6864 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6867 * web.c (union_defs): Add used argument, to combine uses of
6869 (entry_register): Adjust type and tests of used argument.
6870 (web_main): Widen used for new use. Pass it to union_defs.
6871 * df.h (union_defs): Adjust prototype.
6873 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6876 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6877 uses in new incoming argument. Free body.
6878 (reset_debug_uses_in_loop): New.
6879 (analyze_insn_to_expand_var): Call the latter if the former found
6880 anything. Fix whitespace. Reject invalid dest overlaps before
6881 going through all insns in the loop.
6883 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6886 * haifa-sched.c (dying_use_p): Debug insns don't count.
6888 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6891 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6892 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6893 (verify_gimple_call): Reject LHS in noreturn calls.
6895 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6899 * tree-vect-loop-manip.c (adjust_info): New type.
6900 (adjust_vec): New pointer to vector.
6901 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6902 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6903 (slpeel_update_phis_for_duplicate_loop): Use them.
6904 (slpeel_update_phi_nodes_for_guard1): Likewise.
6905 (slpeel_update_phi_nodes_for_guard2): Likewise.
6906 (slpeel_tree_peel_loop_to_edge): Likewise.
6907 (vect_update_ivs_after_vectorizer): Likewise.
6909 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6911 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6912 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6914 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6916 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6917 bogus uninitialized warning.
6919 2010-01-09 Richard Guenther <rguenther@suse.de>
6922 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6923 the evolution is compatible with the initial condition.
6925 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6927 * gcc.c (process_command): Update copyright notice dates.
6928 * gcov.c (print_version): Likewise.
6929 * gcov-dump.c (print_version): Likewise.
6930 * mips-tfile.c (main): Likewise.
6931 * mips-tdump.c (main): Likewise.
6933 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6936 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6938 (rotlhi3_8): Delete.
6940 (rotlsi3_8): Delete.
6941 (rotlsi3_16): Delete.
6942 (rotlsi3_24): Delete.
6944 (*rotw<mode>3): New.
6945 (*rotb<mode>3): New.
6946 * config/avr/avr.c (avr_rotate_bytes): New function.
6947 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6949 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6952 * configure.ac: Modify -rdynamic check.
6953 * configure: Regenerate.
6955 2010-01-08 DJ Delorie <dj@redhat.com>
6957 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6958 register popping order.
6960 2010-01-08 Richard Guenther <rguenther@suse.de>
6963 * c.opt (fsigned-char): Also let LTO handle this option.
6964 (funsigned-char): Likewise.
6966 2010-01-07 Richard Guenther <rguenther@suse.de>
6968 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6969 (gimple_op): Likewise.
6970 (gimple_op_ptr): Likewise.
6971 (gimple_assign_set_lhs): Remove gcc_assert.
6972 (gimple_assign_set_rhs1): Likewise.
6973 (gimple_assign_set_rhs2): Likewise.
6974 (gimple_call_set_lhs): Likewise.
6975 (gimple_call_set_fn): Likewise.
6976 (gimple_call_set_fndecl): Likewise.
6977 (gimple_call_fndecl): Likewise.
6978 (gimple_call_return_type): Likewise.
6979 (gimple_call_set_chain): Likewise.
6980 (gimple_call_num_args): Likewise.
6981 (gimple_call_set_arg): Likewise.
6982 (gimple_cond_set_code): Likewise.
6983 (gimple_cond_set_lhs): Likewise.
6984 (gimple_cond_set_rhs): Likewise.
6985 (gimple_cond_set_true_label): Likewise.
6986 (gimple_cond_set_false_label): Likewise.
6987 (gimple_label_set_label): Likewise.
6988 (gimple_goto_set_dest): Likewise.
6989 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6990 (gimple_debug_bind_get_value): Likewise.
6991 (gimple_debug_bind_get_value_ptr): Likewise.
6992 (gimple_debug_bind_set_var): Likewise.
6993 (gimple_debug_bind_set_value): Likewise.
6994 (gimple_debug_bind_reset_value): Likewise.
6995 (gimple_debug_bind_has_value_p): Likewise.
6996 (gimple_return_retval_ptr): Remove gcc_assert.
6997 (gimple_return_retval): Likewise.
6998 (gimple_return_set_retval): Likewise.
6999 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7000 (safe_referenced_var_iterator): Remove.
7001 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7002 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7003 (fill_referenced_var_vec): Remove.
7004 (first_readonly_imm_use): Remove redundant gcc_assert.
7005 (phi_arg_index_from_use): Combine gcc_asserts.
7006 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7007 (first_imm_use_stmt): Remove redundant gcc_assert.
7008 * tree-cfg.c (verify_gimple_call): Verify function and chain
7009 operands. Verify arguments.
7010 (verify_types_in_gimple_stmt): Verify condition code and labels.
7012 2010-01-07 Richard Guenther <rguenther@suse.de>
7014 PR tree-optimization/42641
7015 * sese.c (rename_map_elt_info): Use the SSA name version, do
7018 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7020 PR tree-optimization/42625
7021 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7022 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7024 2010-01-07 Duncan Sands <baldrick@free.fr>
7026 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7028 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7031 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7032 note itself is not function_invariant_p.
7034 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7036 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7037 Do not add the DF_NOTE problem.
7038 * store-motion.c (execute_rtl_store_motion): Likewise.
7040 2010-01-07 Martin Jambor <mjambor@suse.cz>
7042 PR tree-optimization/42157
7043 * tree-sra.c (compare_access_positions): Stabilize sort if both
7044 accesses have integer types, return zero immediately if they are the
7047 2010-01-06 Richard Henderson <rth@redhat.com>
7050 * haifa-sched.c (add_to_note_list): Merge into ...
7051 (concat_note_lists): ... here, and ...
7052 (unlink_other_notes, rm_other_notes): Merge into...
7053 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7054 NOTE_INSN_EPILOGUE_BEG.
7056 2010-01-06 Richard Guenther <rguenther@suse.de>
7058 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7059 not inline regular functions into always-inline functions.
7061 2010-01-06 Nick Clifton <nickc@redhat.com>
7063 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7064 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7066 (OVERRIDE_OPTIONS): Delete.
7067 (OPTIMIZATION_OPTIONS): Define.
7068 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7069 * config/rx/rx.c (rx_handle_option): Issue an error message if
7070 -mcpu=rx200 and -fpu are used together.
7071 (rx_set_optimization_options): New function. Issue an error
7072 message if an optimization attribute attempts to reset the FPU/
7073 math optimization pairing.
7074 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7075 * config/rx/rx.opt: Set the default to 32-bit doubles.
7076 * config/rx/t-rx: Add multilibs for -nofpu option.
7077 * doc/invoke.texi: Update documentation of RX options.
7079 2010-01-06 Richard Guenther <rguenther@suse.de>
7081 * tree-ssa-pre.c (name_to_id): New global.
7082 (alloc_expression_id): Simplify SSA name handling.
7083 (lookup_expression_id): Likewise.
7084 (init_pre): Zero name_to_id.
7085 (fini_pre): Free it.
7087 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7089 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7091 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7094 * config/i386/sse.md (smaxv2di3): New.
7095 (umaxv2di3): Likewise.
7096 (sminv2di3): Likewise.
7097 (uminv2di3): Likewise.
7099 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7102 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7103 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7104 (legitimize_tls_address): Likewise.
7105 (sparc_tls_referenced_p): Likewise.
7106 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7107 and adjust calls to legitimize_pic_address.
7108 (legitimate_constant_p) Use sparc_tls_referenced_p.
7109 (legitimate_pic_operand_p): Likewise.
7110 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7111 (sparc_tls_symbol_ref_1): Delete.
7112 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7113 (legitimize_tls_address): Make static, handle CONST patterns.
7114 (legitimize_pic_address): Make static, remove unused parameter and
7115 adjust recursive calls.
7116 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7117 and adjust call to legitimize_pic_address.
7118 (sparc_output_mi_thunk): Likewise.
7120 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7121 H.J. Lu <hongjiu.lu@intel.com>
7124 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7125 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7126 operands to make them signed.
7129 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7132 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7133 GTU to GT for V4SI and V2DI.
7135 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7136 (umin<mode>3): Removed.
7138 (uminv4si3): Likewise.
7140 2010-01-05 Martin Jambor <mjambor@suse.cz>
7142 PR tree-optimization/42462
7143 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7144 current_function_decl to helper functions and macros.
7146 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7149 * flags.h: Don't include real.h.
7150 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7151 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7152 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7153 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7154 * dominance.c: Update copyright.
7155 * gimple.c (walk_gimple_op): Remove inline.
7156 * tree-ssa-reassoc.c: Include real.h.
7157 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7158 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7160 2010-01-05 Nick Clifton <nickc@redhat.com>
7162 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7163 register to push into the stack frame when the accumulator has to
7164 be saved during interrupts.
7166 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7168 * doc/invoke.texi: Remove the documentation about option
7170 * common.opt (Wunreachable-code): Preserved for backward
7172 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7173 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7174 the backward compatibility flag section.
7176 2010-01-05 Richard Guenther <rguenther@suse.de>
7178 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7180 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7183 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7185 PR tree-optimization/42508
7186 * tree-sra.c (convert_callers): Check for recursive call
7187 by comparing cgraph nodes instead of decls.
7188 (modify_function): Call ipa_modify_formal_parameters also
7189 on all same_body aliases.
7191 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7192 cgraph nodes when checking for same_body aliases.
7194 2010-01-05 Richard Guenther <rguenther@suse.de>
7196 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7197 allocation and lookup.
7198 (get_or_alloc_expr_for_constant): Likewise.
7199 (phi_translate): Sink allocation.
7201 2010-01-04 Richard Guenther <rguenther@suse.de>
7203 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7204 a new entry only if needed.
7205 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7206 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7208 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7210 (phi_translate): Handle CONSTANTs early.
7212 2010-01-04 Martin Jambor <mjambor@suse.cz>
7214 PR tree-optimization/42398
7215 * tree-sra.c (struct access): Removed flag grp_different_types.
7216 (dump_access): Do not dump the removed flag.
7217 (sort_and_splice_var_accesses): Do not set the removed flag.
7218 (sra_modify_expr): Check for type compatibility directly.
7220 2010-01-04 Martin Jambor <mjambor@suse.cz>
7222 PR tree-optimization/42366
7223 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7224 edges with variable number of parameters.
7225 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7226 flag instead of asserting it.
7227 (ipa_read_node_info): Read uses_analysis_done flag.
7229 2010-01-04 Richard Guenther <rguenther@suse.de>
7231 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7232 iterative_hash_* as intended.
7233 (vn_reference_compute_hash): Likewise. Simplify hashing
7235 (vn_reference_lookup_2): Likewise.
7236 (vn_nary_op_compute_hash): Likewise.
7237 (vn_phi_compute_hash): Likewise.
7238 (expressions_equal_p): Remove strange code.
7239 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7240 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7241 (bitmap_insert_into_set_1): Take value-id as parameter.
7242 (add_to_value): Pass it.
7243 (bitmap_insert_into_set): Likewise.
7244 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7246 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7249 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7250 (do_self_spec): For switches with SWITCH_IGNORE set set also
7251 SWITCH_IGNORE_PERMANENTLY.
7252 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7255 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7257 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7258 tree of an unreferenced global var.
7260 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7263 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7264 GTU to GT for V4SI and V2DI.
7266 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7267 (umin<mode>3): Removed.
7269 (uminv4si3): Likewise.
7271 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7274 * collect2.c (main): Turn on trace in collect2 if -v is passed
7277 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7279 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7280 description of expression operand.
7282 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7284 * configure.ac: Add install-html to target_list for Make-hooks.
7285 * configure: Regenerate.
7286 * fortran/Make-lang.in (F95_HTMLFILES): New.
7287 (fortran.html): Use it.
7288 (fortran.install-html): New.
7289 * Makefile.in (install-html): Add lang.install-html.
7290 * java/Make-lang.in (JAVA_HTMLFILES): New.
7291 (java.html): Use it.
7292 (java.install-html): New.
7293 * objc/Make-lang.in (objc.install-html): New.
7294 * objcp/Make-lang.in (obj-c++.install-html): New.
7295 * cp/Make-lang.in (c++.install-html): New.
7296 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7297 * lto/Make-lang.in (lto.install-html): New.
7299 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7302 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7304 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7306 PR rtl-optimization/41862
7307 * store-motion.c (store_killed_in_insn, compute_store_table,
7308 remove_reachable_equiv_notes, replace_store_insn,
7309 build_store_vectors): Ignore all DEBUG_INSNs.
7311 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7314 * common.opt: Add dumpdir.
7316 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7318 (option_map): Add --dumpdir.
7320 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7322 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7324 * opts.c (decode_options): Try dump_dir_name first if
7325 dump_base_name isn't an absolute path.
7326 (common_handle_option): Handle OPT_dumpdir.
7328 * toplev.c (dump_dir_name): New.
7329 (print_switch_values): Also ignore -dumpdir.
7331 * toplev.h (dump_dir_name): New.
7333 2010-01-03 Richard Guenther <rguenther@suse.de>
7335 PR tree-optimization/42589
7336 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7337 double-word expansion of bswap32.
7339 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7341 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7342 with BLOCK_FOR_INSN.
7343 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7344 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7345 noce_process_if_block): Likewise.
7346 * gcse.c (compute_local_properties, insert_expr_in_table,
7347 insert_set_in_table, canon_list_insert, find_avail_set,
7348 pre_insert_copy_insn): Likewise.
7350 * basic-block.h (BLOCK_NUM): Move from here...
7351 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7353 2010-01-03 Richard Guenther <rguenther@suse.de>
7355 PR tree-optimization/42438
7356 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7357 contains_may_not_return_call flag.
7358 (BB_MAY_NOTRETURN): New.
7359 (valid_in_sets): Trapping nary operations are not valid
7360 in blocks that may not return.
7361 (insert_into_preds_of_block): Remove check for trapping expressions.
7362 (compute_avail): Compute also BB_MAY_NOTRETURN.
7364 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7366 * doc/invoke.texi: Add 2010 to copyright years.
7368 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7370 * config/sparc/sparc.c: Fix formatting nits.
7372 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7373 Alexander Monakov <amonakov@ispras.ru>
7375 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7377 2010-01-02 Richard Guenther <rguenther@suse.de>
7380 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7381 (simplify_switch_using_ranges): Mark to be removed edges
7384 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7386 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7388 * collect2.c (scan_libraries): Add missing argument in call to
7391 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7394 * config/alpha/predicates.md (aligned_memory_operand): Return false
7396 (unaligned_memory_operand): Return true for CQImode.
7397 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7398 doesn not cross aligned SImode word boundary.
7400 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7402 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7404 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7405 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7407 2010-01-02 Richard Guenther <rguenther@suse.de>
7410 * toplev.c (compile_file): Emit LTO marker properly. Change
7412 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7414 2010-01-01 Richard Guenther <rguenther@suse.de>
7417 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7419 2010-01-01 Richard Guenther <rguenther@suse.de>
7422 * c-decl.c (grokdeclarator): For zero-size arrays force
7423 structural equality checks as layout_type does.
7425 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7427 * builtins.c: Update copyright to 2010.
7429 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7432 * lto-streamer-out.c (produce_asm): Revert the last change.
7433 (copy_function): Likewise.
7435 * lto-streamer.c (lto_get_section_name): Skip any leading
7438 2010-01-01 Richard Guenther <rguenther@suse.de>
7441 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7445 Copyright (C) 2010 Free Software Foundation, Inc.
7447 Copying and distribution of this file, with or without modification,
7448 are permitted in any medium without royalty provided the copyright
7449 notice and this notice are preserved.