1 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
3 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
4 (const_hash_1) <VECTOR_CST>: New case.
5 (compare_constant) <VECTOR_CST>: Likewise.
6 <ADDR_EXPR>: Deal with LABEL_REFs.
7 (copy_constant) <VECTOR_CST>: New case.
9 2010-04-27 Jan Hubicka <jh@suse.cz>
11 * cgraph.c (cgraph_propagate_frequency): New function.
12 * cgraph.h (cgraph_propagate_frequency): Declare.
13 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
14 cgraph_propagate_frequency.
16 2010-04-27 Jakub Jelinek <jakub@redhat.com>
18 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
20 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
23 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
24 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
25 here to determine which regs to push and how much stack to reserve.
27 2010-04-27 Jie Zhang <jie@codesourcery.com>
29 * doc/gimple.texi (gimple_statement_with_ops): Remove
30 addresses_taken field.
31 (gimple_statement_with_memory_ops): Likewise.
33 2010-04-27 Jan Hubicka <jh@suse.cz>
35 * tree-inline.c (eni_inlining_weights): Remove.
36 (estimate_num_insns): Special case more builtins.
38 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
41 * c-typeck.c (build_binary_op): Move forward check for comparison
42 pointer with null pointer constant and adjust the diagnostic message.
44 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
47 * configure.ac (gcc_cv_as_section_has_align): Set if installed
48 binutils supports extended .section directive needed by LTO, or
49 warn if older binutils found.
50 (LTO_BINARY_READER): New AC_SUBST'd variable.
51 (LTO_USE_LIBELF): Likewise.
52 * gcc/config.gcc (lto_binary_reader): New target-specific configure
54 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
55 (LTO_USE_LIBELF): Likewise.
56 * configure: Regenerate.
58 * collect2.c (is_elf): Rename from this ...
59 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
60 object files in addition to ELF-formatted ones.
61 (scan_prog_file): Caller updated. Also allow for LTO info marker
62 symbol to be prefixed or not by an extra underscore.
64 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
65 * config/i386/winnt.c: Also #include lto-streamer.h
66 (i386_pe_asm_named_section): Specify 1-byte section alignment for
68 (i386_pe_asm_output_aligned_decl_common): Add comment.
69 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
71 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
74 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
75 Add missing earlyclobber for second alternative.
77 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
79 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
80 bits for artificial defs at the top of the block.
81 * fwprop.c (single_def_use_enter_block): Don't call it.
83 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
86 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
87 instead of "$gcc_cv_objdump -T".
88 Use "-undefined dynamic_lookup" on darwin.
89 * gcc/configure: Regenerate.
91 2010-04-26 Jakub Jelinek <jakub@redhat.com>
94 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
96 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
98 * c-parser.c (struct c_token): Move location field up.
99 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
100 (struct c_declspecs): Convert typespec_word, storage_class, and
101 default_int_p into bitfields.
102 (struct c_declarator): Move loc field up.
104 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
106 * cfgloop.h (struct loop): Move can_be_parallel field up.
107 * ipa-prop.h (struct ip_node_params): Move bitfields up.
108 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
110 (struct iv_cand): Convert pos field into a bitfield.
111 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
113 (struct _stmt_vec_info): Shuffle fields for better packing.
115 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
117 * varasm.c (IN_NAMED_SECTION): Remove guard.
118 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
119 (IN_NAMED_SECTION_P): ...this.
120 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
121 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
123 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
125 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
126 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
127 of shadowing it. Fix comments.
129 2010-04-26 Jan Hubicka <jh@suse.cz>
131 * cgraph.c (cgraph_create_node): Set node frequency to normal.
132 (cgraph_clone_node): Copy function frequency.
133 * cgraph.h (node_frequency): New enum
134 (struct cgraph_node): Add.
135 * final.c (rest_of_clean_state): Update.
136 * lto-cgraph.c (lto_output_node): Output node frequency.
137 (input_overwrite_node): Input node frequency.
138 * tre-ssa-loop-ivopts (computation_cost): Update.
139 * lto-streamer-out.c (output_function): Do not output function
141 * predict.c (maybe_hot_frequency_p): Update and handle functions
143 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
145 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
146 (compute_function_frequency): Set noreturn functions to be executed
148 (choose_function_section): Update.
149 * lto-streamer-in.c (input_function): Do not input function frequency.
150 * function.c (allocate_struct_function): Do not initialize function
152 * function.h (function_frequency): Remove.
153 (struct function): Remove function frequency.
154 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
155 (try_update): Update.
156 * tree-inline.c (initialize_cfun): Do not update function frequency.
157 * passes.c (pass_init_dump_file): Update.
158 * i386.c (ix86_compute_frame_layout): Update.
159 (ix86_pad_returns): Update.
161 2010-04-26 Jie Zhang <jie@codesourcery.com>
163 PR tree-optimization/43833
164 * tree-vrp.c (range_int_cst_p): New.
165 (range_int_cst_singleton_p): New.
166 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
167 when both operands are constants. Use range_int_cst_p in
170 2010-04-26 Jan Hubicka <jh@suse.cz>
172 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
174 2010-04-26 Richard Guenther <rguenther@suse.de>
177 * gimple.c (gimple_decl_printable_name): Deal gracefully
178 with a NULL DECL_NAME.
180 2010-04-26 Richard Guenther <rguenther@suse.de>
183 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
184 if emitting debug information and it is either a function
187 2010-04-26 Ira Rosen <irar@il.ibm.com>
189 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
190 determine if the statement is vectorizable, and a macro to
192 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
193 Skip statements that can't be vectorized. If the analysis
194 fails, mark the statement as unvectorizable if vectorizing
196 (vect_compute_data_refs_alignment): Likewise.
197 (vect_verify_datarefs_alignment): Skip statements marked as
198 unvectorizable. Add print.
199 (vect_analyze_group_access): Skip statements that can't be
200 vectorized. If the analysis fails, mark the statement as
201 unvectorizable if vectorizing basic block.
202 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
204 * tree-vect-stmts.c (vectorizable_store): Fix the number of
205 generated stmts for SLP.
206 (new_stmt_vec_info): Initialize the new field.
207 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
208 statements marked as unvectorizable.
210 2010-04-25 Joseph Myers <joseph@codesourcery.com>
212 * c-common.c (flag_isoc1x): New.
213 (flag_isoc99): Update comment.
214 * c-common.h (flag_isoc1x): New.
215 (flag_isoc99): Update comment.
216 * c-cppbuiltin.c (builtin_define_float_constants): Also define
217 __<type>_DECIMAL_DIG__.
218 * c-opts.c (set_std_c1x): New.
219 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
220 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
221 * c.opt (-std=c1x, -std=gnu1x): New options.
222 * doc/cpp.texi: Mention -std=c1x.
223 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
224 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
225 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
226 * doc/standards.texi: Mention C1X.
227 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
228 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
229 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
232 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
234 * config/i386/gmon-sol2.c (_mcleanup): Change format string
235 placeholder from 0x%x to %#x.
236 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
237 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
238 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
239 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
240 * config/i386/i386.c (ix86_target_string): Ditto.
241 (output_pic_addr_const): Ditto.
242 (print_operand): Ditto.
244 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
246 * combine.c (find_split_point): Add third argument. Use it
247 to find nested multiply-accumulate instructions. Adjust calls.
248 (try_combine): Adjust call to find_split_point.
250 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
252 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
254 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
256 PR tree-optimization/41442
257 * fold-const.c (merge_truthop_with_opposite_arm): New function.
258 (fold_binary_loc): Call it.
260 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
262 * toplev.c (general_init): Set default for fdiagnostics-show-option.
263 * opts.c (common_handle_option): Allow disabling it.
264 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
266 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
268 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
269 between modes if both types are integral.
271 2010-04-23 Richard Guenther <rguenther@suse.de>
273 PR tree-optimization/43572
274 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
276 2010-04-23 Richard Guenther <rguenther@suse.de>
279 * tree-inline.c (tree_can_inline_p): Also check compatibility
282 2010-04-23 Martin Jambor <mjambor@suse.cz>
284 PR tree-optimization/43846
285 * tree-sra.c (struct access): New flag grp_assignment_read.
286 (build_accesses_from_assign): Set grp_assignment_read.
287 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
288 (enum mark_read_status): New type.
289 (analyze_access_subtree): Propagate grp_assignment_read, create
290 accesses also if both direct_read and root->grp_assignment_read.
292 2010-04-23 Martin Jambor <mjambor@suse.cz>
295 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
296 function does not have type attributes.
298 2010-04-23 Richard Guenther <rguenther@suse.de>
301 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
304 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
306 * sese.h (create_if_region_on_edge): Remove.
308 * sese.c (create_if_region_on_edge): Make static.
310 * tree-inline.c: Do not include ggc.h.
312 * expr.c: Do not include ggc.h.
314 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
317 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
320 * config/sh/sh.c (find_barrier): Don't emit a constant pool
321 in the middle of insns for casesi_worker_2.
323 2010-04-22 David Edelsohn <edelsohn@gnu.org>
325 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
327 2010-04-22 Ira Rosen <irar@il.ibm.com>
329 PR tree-optimization/43842
330 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
331 loop unrolling in update of exit phis. Fix comment.
332 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
333 least two reduction statements in the loop before starting SLP
336 2010-04-22 Nick Clifton <nickc@redhat.com>
338 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
340 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
342 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
345 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
347 * tree-parloops.c (loop_parallel_p): New argument
348 parloop_obstack. Pass it down.
349 (parallelize_loops): New variable parloop_obstack. Initialize it,
350 pass it down, free it.
352 * tree-loop-linear.c (linear_transform_loops): Pass down
355 * tree-data-ref.h (lambda_compute_access_matrices): New argument
356 of type struct obstack *.
358 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
359 scratch_obstack. Initialize it, pass down, free it.
361 * lambda.h (lambda_loop_new): Remove.
362 (lambda_matrix_new, lambda_matrix_inverse)
363 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
364 argument of type struct obstack *.
366 * lambda-trans.c (lambda_trans_matrix_new): New argument
367 lambda_obstack. Pass it down, use obstack allocation for ret.
368 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
371 * lambda-mat.c (lambda_matrix_get_column)
372 (lambda_matrix_project_to_null): Remove.
373 (lambda_matrix_new): New argument lambda_obstack. Use obstack
375 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
378 * lambda-code.c (lambda_loop_new): New function.
379 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
380 (lambda_compute_auxillary_space, lambda_compute_target_space)
381 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
382 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
383 (build_access_matrix): New argument lambda_obstack. Use obstack
385 (lambda_compute_step_signs, lambda_compute_access_matrices): New
386 argument lambda_obstack. Pass it down.
388 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
390 * optabs.h (expand_widening_mult): Declare.
392 2010-04-22 Richard Guenther <rguenther@suse.de>
394 PR tree-optimization/43845
395 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
396 lookup the CALL_EXPR function and arguments.
398 2010-04-22 Nick Clifton <nickc@redhat.com>
400 * config/stormy16/stormy16.c
401 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
402 * config/stormy16/stormy16.h: Tidy up formatting.
403 (DONT_USE_BUILTIN_SETJMP): Remove definition.
404 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
405 (ineqbranchsi): Delete pattern.
406 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
407 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
408 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
409 stormy16-lib2-ucmpsi2.c.
411 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
413 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
414 df_simulate_find_noclobber_defs as appropriate. Keep track of an
415 extra set merge_set_noclobber, and use it to relax the final test
417 * df.h (df_simulate_find_noclobber_defs): Declare.
418 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
420 (df_simulate_find_noclobber_defs): New function.
422 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
424 * config/i386/i386.md: Use {} around multi-line preparation statements.
426 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
428 * c-tree.h (push_init_level, pop_init_level, set_init_index)
429 (process_init_element): New argument of type struct obstack *.
431 * c-typeck.c (push_init_level, pop_init_level, set_designator)
432 (set_init_index, set_init_label, set_nonincremental_init)
433 (set_nonincremental_init_from_string, find_init_member)
434 (output_init_element, output_pending_init_elements)
435 (process_init_element): New argument braced_init_obstack. Pass it
437 (push_range_stack, add_pending_init): New argument
438 braced_init_obstack. Use obstack allocation.
440 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
441 braced_init_obstack. Pass it down.
442 (c_parser_braced_init): New variables ret, braced_init_obstack.
443 Initialize obstack, pass it down and finally free it.
445 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
448 * tree-pass.h (pass_optimize_widening_mul): Declare.
449 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
450 gate_optimize_widening_mul): New static functions.
451 (pass_optimize_widening_mul): New.
452 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
453 <case MULT_EXPR>: Remove support for widening multiplies.
454 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
455 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
456 simplify_gen_unary rather than directly building extensions.
457 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
459 * expmed.c (expand_widening_mult): New function.
460 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
462 2010-04-21 Jan Hubicka <jh@suse.cz>
464 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
465 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
466 * lto-wpa-fixup.c: Remove.
467 * Makefile.in (lto-wpa-fixup.o): Remove.
468 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
469 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
470 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
472 2010-04-21 Jan Hubicka <jh@suse.cz>
474 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
475 add write_optimization_summary, read_optimization_summary.
476 (ipa_write_summaries_of_cgraph_node_set): Remove.
477 (ipa_write_optimization_summaries): Declare.
478 (ipa_read_optimization_summaries): Declare.
479 * ipa-cp.c (pass_ipa_cp): Update.
480 * ipa-reference.c (pass_ipa_reference): Update.
481 * ipa-pure-const.c (pass_ipa_pure_const): Update.
482 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
484 * ipa-inline.c (pass_ipa_inline): Update.
485 * ipa.c (pass_ipa_whole_program): Update.
486 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
487 * passes.c (ipa_write_summaries_1): Do not test wpa.
488 (ipa_write_optimization_summaries_1): New.
489 (ipa_write_optimization_summaries): New.
490 (ipa_read_summaries): Do not test ltrans.
491 (ipa_read_optimization_summaries_1): New.
492 (ipa_read_optimization_summaries): New.
494 2010-04-21 Jan Hubicka <jh@suse.cz>
496 * lto-cgraph.c (lto_output_node): Do not output comdat groups
498 (output_cgraph): Do not arrange comdat groups for boundary nodes.
500 2010-04-21 Jakub Jelinek <jakub@redhat.com>
503 * dwarf2out.c (add_name_and_src_coords_attributes): Add
504 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
506 2010-04-21 Jan Hubicka <jh@suse.cz>
508 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
510 2010-04-21 Jan Hubicka <jh@suse.cz>
512 * varpool.c (decide_is_variable_needed): Variable is always needed
515 2010-04-21 Jan Hubicka <jh@suse.cz>
517 * opts.c (decode_options): Enable pure-const pass for whopr.
519 2010-04-21 Jan Hubicka <jh@suse.cz>
521 * cgraph.c (dump_cgraph_node): Dump also assembler name.
522 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
524 (cgraph_decide_inlining): Do not expect callee to be removed in all
527 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
529 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
531 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
533 * config/i386/i386.md (x86_shrd): Add athlon_decode and
534 amdfam10_decode attributes.
536 2010-04-21 Jakub Jelinek <jakub@redhat.com>
539 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
540 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
541 (lower_copyprivate_clauses): Use private var in outer
542 context instead of original var. Make sure the types
543 are correct for VLAs.
545 2010-04-21 Richard Guenther <rguenther@suse.de>
547 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
548 to non-pointer objects.
550 2010-04-21 Jakub Jelinek <jakub@redhat.com>
552 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
553 last chain entry if it starts with the still current label.
554 (add_location_or_const_value_attribute): Check that
555 loc_list->first->next is NULL instead of comparing ->first with ->last.
556 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
557 to add_var_loc_to_decl.
559 * dwarf2out.c (output_call_frame_info): For dw_cie_version
560 >= 4 add also address size and segment size fields into CIE header.
562 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
563 long as address size is the same as sizeof (void *) and
565 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
566 address size or segment size is unexpected, return DW_EH_PE_omit.
567 (classify_object_over_fdes): If get_cie_encoding returned
568 DW_EH_PE_omit, return -1.
569 (init_object): If classify_object_over_fdes returned -1,
570 pretend there were no FDEs at all.
572 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
574 * config/i386/i386.md (bswap<mode>2): Macroize expander from
575 bswap{si,di}2 using SWI48 mode iterator.
576 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
577 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
578 set modrm attribute of bswap insn to 0 and remove length attribute.
579 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
580 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
581 set mode attribute to <MODE> and remove length attribute.
583 2010-04-20 James E. Wilson <wilson@codesourcery.com>
585 PR rtl-optimization/43520
586 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
587 zero available registers.
589 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * builtins.c (fold_builtin_cproj): Fold more cases.
593 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
595 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
596 (fold_builtin_1): Fold builtin cproj.
597 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
598 Use ATTR_CONST_NOTHROW_LIST.
600 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
602 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
603 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
604 ffsi2_no_cmove for !TARGET_CMOVE.
605 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
606 (ffssi2): Remove expander.
607 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
609 (ctz<mode>2): Ditto from ctz{si,di}2.
610 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
612 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
615 2010-04-20 Jakub Jelinek <jakub@redhat.com>
617 * dwarf2out.c (AT_linkage_name): Define.
618 (clone_as_declaration): Handle DW_AT_linkage_name.
619 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
620 of DW_AT_MIPS_linkage_name.
621 (move_linkage_attr): Likewise.
622 (dwarf2out_finish): Likewise.
624 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
627 * fold-const.c (fold_comparison): New folding rule.
629 2010-04-20 Anatoly Sokolov <aesok@post.ru>
631 * double-int.h (double_int_setbit): Declare.
632 * double-int.c (double_int_setbit): New function.
633 * rtl.h (immed_double_int_const): Declare.
634 * emit-rtl.c (immed_double_int_const): New function.
635 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
636 and immed_double_int_const functions.
637 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
638 expand_copysign_bit): (Ditto.).
639 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
640 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
641 * dojump.c (prefer_and_bit_test): (Ditto.).
642 * expr.c (convert_modes, reduce_to_bit_field_precision,
643 const_vector_from_tree): (Ditto.).
644 * expmed.c (mask_rtx, lshift_value): (Ditto.).
646 2010-04-20 Jan Hubicka <jh@suse.cz>
648 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
649 (dump_cgraph_node): Dump new flags.
650 * cgraph.h (struct cgraph_node): Add flags
651 reachable_from_other_partition and in_other_partition.
652 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
653 other partition can not be removed.
654 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
655 the other partition must be output; silence sanity checking on
656 leaking functions bodies from other paritition.
657 * lto-cgraph.c (reachable_from_other_partition_p): New function.
658 (lto_output_node): Output new flags; do not sanity check that inline
659 clones are output; drop lto_forced_extern_inline_p code; do not mock
660 visibility flags at partition boundaries.
661 (add_node_to): New function.
662 (output_cgraph): Use it to sort functions so masters appear before
664 (input_overwrite_node): Input new flags.
665 * passes.c (ipa_write_summaries): Do not call
666 lto_new_extern_inline_states.
667 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
668 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
669 lto_forced_extern_inline_p): Kill.
670 * lto-streamer.h (lto_new_extern_inline_states,
671 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
672 lto_forced_extern_inline_p): Kill.
674 2010-04-20 Richard Guenther <rguenther@suse.de>
676 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
677 from vars that can have pointers.
678 (process_constraint): Dump useless constraints.
680 2010-04-20 Richard Guenther <rguenther@suse.de>
682 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
683 (dump_sa_points_to_info): Remove asserts.
684 (init_base_vars): nothing_id isn't an escape point nor does it
687 2010-04-20 Jakub Jelinek <jakub@redhat.com>
689 * tree.h (TYPE_REF_IS_RVALUE): Define.
690 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
691 should_move_die_to_comdat, prune_unused_types_walk): Handle
692 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
693 (modified_type_die, gen_reference_type_die): Emit
694 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
695 if TYPE_REF_IS_RVALUE and -gdwarf-4.
697 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
700 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
701 calls for -fpic -m31 if they have been sibcall optimized.
703 2010-04-19 James E. Wilson <wilson@codesourcery.com>
705 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
706 ar.lc fixed and call-used.
708 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
710 2010-04-19 Jan Hubicka <jh@suse.cz>
712 * opts.c (decode_options): Disable whpr incompatible passes.
713 * lto/lto.c (lto_1_to_1_map): Skip clones.
714 (read_cgraph_and_symbols): Do not mark everything as needed.
715 (do_whole_program_analysis): Do map only after optimizing;
716 set proper cgraph_state; use passmanager.
718 2010-04-19 DJ Delorie <dj@redhat.com>
720 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
721 POINTER_PLUS_EXPR and fix them.
723 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
725 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
726 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
727 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
728 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
729 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
730 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
731 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
732 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
733 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
734 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
735 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
737 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
739 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
740 (check_cond_move_block): Likewise.
741 (cond_move_process_if_block): Likewise.
742 (noce_find_if_block): Improve formatting.
743 (find_if_header): Pass 0 to memset and tweak conditions.
744 (cond_exec_find_if_block): Fix long lines and tweak conditions.
746 2010-04-19 Jakub Jelinek <jakub@redhat.com>
748 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
752 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
753 with non-local decl doesn't need chain.
755 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
757 * ira-color.c (allocno_reload_assign): Avoid accumulating
758 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
760 2010-04-19 Martin Jambor <mjambor@suse.cz>
762 * gimple.h (create_tmp_reg): Declare.
763 * gimplify.c (create_tmp_reg): New function.
764 (gimplify_return_expr): Use create_tmp_reg.
765 (gimplify_omp_atomic): Likewise.
766 (gimple_regimplify_operands): Likewise.
767 * tree-dfa.c (make_rename_temp): Likewise.
768 * tree-predcom.c (predcom_tmp_var): Likewise.
769 (reassociate_to_the_same_stmt): Likewise.
770 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
771 (get_replaced_param_substitute): Likewise.
772 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
773 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
774 * tree-ssa-pre.c (get_representative_for): Likewise.
775 (create_expression_by_pieces): Likewise.
776 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
777 (create_tailcall_accumulator): Likewise.
779 2010-04-19 Martin Jambor <mjambor@suse.cz>
781 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
783 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
785 2010-04-19 Richard Guenther <rguenther@suse.de>
787 PR tree-optimization/43796
788 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
789 from SCEV in the lattice.
790 (vrp_visit_phi_node): Dump change.
792 2010-04-19 Richard Guenther <rguenther@suse.de>
794 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
795 * configure: Re-generated.
797 2010-04-19 Richard Guenther <rguenther@suse.de>
799 PR tree-optimization/43783
800 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
801 constant ARRAY_REF operands two and three if possible.
803 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
806 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
808 2010-04-19 Jie Zhang <jie@codesourcery.com>
811 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
813 2010-04-19 Ira Rosen <irar@il.ibm.com>
815 PR tree-optimization/37027
816 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
817 and macro to access it.
818 (vectorizable_reduction): Add argument.
819 (vect_get_slp_defs): Likewise.
820 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
821 statements for possible use in SLP.
822 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
823 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
824 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
826 (vectorizable_reduction): Likewise.
827 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
829 (vectorizable_type_demotion, vectorizable_type_promotion,
830 vectorizable_store): Likewise.
831 (vect_analyze_stmt): Update call to vectorizable_reduction.
832 (vect_transform_stmt): Likewise.
833 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
834 (vect_build_slp_tree): Fix indentation. Check that there are no loads
835 from different interleaving chains in same node.
836 (vect_slp_rearrange_stmts): New function.
837 (vect_supported_load_permutation_p): Allow load permutations for
838 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
839 inside SLP nodes if necessary.
840 (vect_analyze_slp_instance): Handle reductions.
841 (vect_analyze_slp): Try to build SLP instances originating from groups
843 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
844 (vect_get_constant_vectors): Create initial vectors for reductions
845 according to reduction code. Add new argument.
846 (vect_get_slp_defs): Add new argument, pass it to
847 vect_get_constant_vectors.
848 (vect_schedule_slp_instance): Remove SLP tree root statements.
850 2010-04-19 Jakub Jelinek <jakub@redhat.com>
852 * tree.h (ENUM_IS_SCOPED): Define.
853 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
854 for ENUM_IS_SCOPED enums.
856 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
858 * fold-const.c (fold_comparison): Use ssizetype.
859 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
860 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
861 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
862 * tree-object-size.c (compute_object_sizes): Use size_type_node.
864 * tree.h (initialize_sizetypes): Remove parameter.
865 (build_common_tree_nodes): Remove second parameter.
866 * stor-layout.c (initialize_sizetypes): Remove parameter.
867 Always create an unsigned type.
868 (set_sizetype): Assert that the passed type is unsigned and simplify.
869 * tree.c (build_common_tree_nodes): Remove second parameter.
870 Adjust call to initialize_sizetypes.
871 * c-decl.c (c_init_decl_processing): Remove second argument in call to
872 build_common_tree_nodes.
874 2010-04-18 Matthias Klose <doko@ubuntu.com>
876 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
878 2010-04-18 Ira Rosen <irar@il.ibm.com>
880 PR tree-optimization/43771
881 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
882 load permutation doesn't have gaps.
884 2010-04-18 Jan Hubicka <jh@suse.cz>
886 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
887 (sse_prologue_save_insn expander): Use new pattern.
888 (sse_prologue_save_insn1): New pattern and splitter.
889 (sse_prologue_save_insn): Update to deal also with 64bit aligned
891 * i386.c (setup_incoming_varargs_64): Do not compute jump
893 (ix86_gimplify_va_arg): Update alignment needed.
894 (ix86_local_alignment): Do not align all local arrays to 128bit.
896 2010-04-17 Jan Hubicka <jh@suse.cz>
898 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
900 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
902 * arm.md (negdi2): Remove redundant code to force values into a
905 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
907 * arm/bpabi.S: Add EABI alignment attributes to objects.
908 * arm/bpabi-v6m.S: Likewise.
909 * arm/crti.asm: Likewise.
910 * arm/crtn.asm: Likewise.
911 * arm/lib1funcs.asm: Likewise.
912 * arm/libunwind.S: Likewise.
914 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
916 * arm-protos.h (tune_params): New structure.
917 * arm.c (current_tune): New variable.
918 (arm_constant_limit): Delete.
919 (struct processors): Add pointer to the tune parameters.
920 (arm_slowmul_tune): New tuning option.
921 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
922 (all_cores): Adjust to pick up the tuning model.
923 (arm_constant_limit): New function.
924 (arm_override_options): Select the appropriate tuning model. Delete
925 initialization of arm_const_limit.
926 (arm_split_constant): Use the new constant-limit model.
927 (arm_rtx_costs): Pick up the current tuning model.
928 * arm.md (is_strongarm, is_xscale): Delete.
929 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
930 for Xscale variant architectures.
931 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
933 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
935 * config/arm/arm.c (arm_gen_constant): Remove unused variable
937 (arm_rtx_costs_1): Remove unused variable extra_cost.
938 (arm_unwind_emit_set): Use variable offset.
939 (thumb1_output_casesi): Remove unused variable flags.
941 2010-04-16 Jeff Law <law@redhat.com>
943 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
944 needing assignment rather than doing a two-phase assignment. Remove
947 2010-04-16 Jakub Jelinek <jakub@redhat.com>
950 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
952 2010-04-16 Doug Kwan <dougkwan@google.com>
954 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
955 (next_operand_entry_id): New static variable.
956 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
957 (add_to_ops_vec): Assigned unique ID to operand entry.
958 (struct oecount_s): New field ID.
959 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
960 (undistribute_ops_list): Assign unique IDs to oecounts.
961 (init_reassoc): reset next_operand_entry_id.
963 2010-04-16 Doug Kwan <dougkwan@google.com>
965 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
966 missing left parenthesis.
968 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
970 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
971 *btdi_rex64 using SWI48 mode iterator.
972 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
973 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
974 *jcc_btdi_mask_rex64.
976 2010-04-16 Anatoly Sokolov <aesok@post.ru>
978 * double-int.h (tree_to_double_int): Convert to macro.
979 * double-int.c (tree_to_double_int): Remove.
981 2010-04-16 Jakub Jelinek <jakub@redhat.com>
984 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
985 with want_address 2 and in case a single element list might be
986 possible, call it again with want_address 0.
988 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
990 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
991 case 'W' print operands for HI mode.
992 * config/h8300/h8300.h (Y0, Y2) : New constraints.
993 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
994 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
995 * config/h8300/predicate.md (bit_register_indirect_operand): New.
997 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
999 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1000 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1001 #xx:3 and #xx:4 mode.
1003 * config/h8300/h8300.md (inverted load with HImode dest): Add
1004 support for H8300SX.
1006 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1007 satisfy 'U' constraint.
1009 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1011 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1012 * configure: Regenerate.
1013 * config.in: Regenerate.
1014 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1017 2010-04-16 Richard Guenther <rguenther@suse.de>
1019 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1020 (struct tree_decl_common): ... here.
1021 (DECL_PT_UID): Adjust.
1022 (SET_DECL_PT_UID): Likewise.
1023 (DECL_PT_UID_SET_P): Likewise.
1025 2010-04-16 Richard Guenther <rguenther@suse.de>
1027 PR tree-optimization/43572
1028 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1029 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1030 * tree-flow.h (is_call_clobbered): Remove.
1031 * tree-flow-inline.h (is_call_clobbered): Likewise.
1032 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1033 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1034 (execute_return_slot_opt): Adjust.
1035 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1036 check for call clobbered vars here.
1037 (find_tail_calls): Move tailcall verification to the
1040 2010-04-16 Diego Novillo <dnovillo@google.com>
1042 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1044 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1047 * config/arm/arm.md (cbranchqi4): New pattern.
1048 * config/arm/predicates.md (const0_operand,
1049 cbranchqi4_comparison_operator): New predicates.
1051 2010-04-16 Richard Guenther <rguenther@suse.de>
1053 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1054 (dump_gimple_stmt): Likewise.
1056 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1058 * recog.h (struct recog_data): New field is_operator.
1059 (struct insn_operand_data): New field is_operator.
1060 * recog.c (extract_insn): Set recog_data.is_operator.
1061 * genoutput.c (output_operand_data): Emit code to set the
1063 * reload.c (find_reloads): Use it rather than testing for an
1064 empty constraint string.
1067 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1068 If the previous insn is a cbranchsi4_insn with the same arguments,
1069 omit the compare instruction.
1071 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1072 register, inputs must be low registers and we need a low register
1073 scratch. Handle alternative 2 like alternative 3.
1075 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1077 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1078 don't call get_addr on both. If one expression is a VALUE and
1079 the other a REG, check VALUE's locs if the REG isn't among them.
1081 2010-04-16 Christian Bruel <christian.bruel@st.com>
1083 * config/sh/sh.h (sh_frame_pointer_required): New function.
1084 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1085 (flag_omit_frame_pointer) Set.
1086 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1087 (rounded_frame_size): Adjust size with outgoing_args_size.
1088 (sh_set_return_address): Must return from stack pointer.
1089 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1090 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1091 (ACCUMULATE_OUTGOING_ARGS): Define.
1092 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1093 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1095 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1098 * config/sh/sh.c (sh_legitimize_reload_address): Use
1099 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1100 Remove a unneeded check for offset_base.
1102 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1104 * configure: Regenerated.
1106 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1108 * config/s390/s390.c (s390_call_save_register_used): Switch back
1109 to HARD_REGNO_NREGS.
1111 2010-04-15 Richard Guenther <rguenther@suse.de>
1113 * alias.c (alias_set_subset_of): Handle alias-set zero
1116 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1117 Julian Brown <julian@codesourcery.com>
1119 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1120 alternatives according to use of high and low regs.
1121 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1122 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1123 optimizing for size on Thumb-2.
1125 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1127 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1129 2010-04-15 Richard Guenther <rguenther@suse.de>
1131 * tree-ssa-structalias.c (struct variable_info): Add
1133 (new_var_info): Initialize it.
1134 (dump_constraints): Support printing last added constraints.
1135 (debug_constraints): Adjust.
1136 (dump_constraint_graph): Likewise.
1137 (make_heapvar_for): Check for NULL cfun.
1138 (get_function_part_constraint): New function.
1139 (get_fi_for_callee): Likewise.
1140 (find_func_aliases): Properly implement IPA PTA constraints.
1141 (process_ipa_clobber): New function.
1142 (find_func_clobbers): Likewise.
1143 (insert_into_field_list_sorted): Remove.
1144 (create_function_info_for): Properly allocate vars for IPA mode.
1145 Do not use insert_into_field_list_sorted.
1146 (create_variable_info_for): Properly generate constraints for
1147 global vars in IPA mode.
1148 (dump_solution_for_var): Always dump the solution.
1149 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1150 (find_what_var_points_to): Adjust.
1151 (pt_solution_set): Change.
1152 (pt_solution_ior_into): New function.
1153 (pt_solution_empty_p): Export.
1154 (pt_solution_includes_global): Adjust.
1155 (pt_solution_includes_1): Likewise.
1156 (pt_solutions_intersect_1): Likewise.
1157 (dump_sa_points_to_info): Check some invariants.
1158 (solve_constraints): Move constraint dumping ...
1159 (compute_points_to_sets): ... here.
1160 (ipa_pta_execute): ... and here.
1161 (compute_may_aliases): Do not re-compute points-to info
1162 locally if IPA info is available.
1163 (ipa_escaped_pt): New global var.
1164 (ipa_pta_execute): Properly implement IPA PTA.
1165 * tree-into-ssa.c (dump_decl_set): Support dumping
1166 decls not in referenced-vars.
1167 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1168 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1169 (dump_points_to_solution): Likewise.
1170 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1171 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1172 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1173 (copy_decl_to_var): Copy DECL_PT_UID.
1174 (copy_result_decl_to_var): Likewise.
1175 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1176 (copy_node_stat): Copy it.
1177 * tree.h (DECL_PT_UID): New macro.
1178 (SET_DECL_PT_UID): Likewise.
1179 (DECL_PT_UID_SET_P): Likewise.
1180 (struct tree_decl_minimal): Add pt_uid member.
1181 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1182 (pt_solution_empty_p): Declare.
1183 (pt_solution_set): Adjust.
1184 (ipa_escaped_pt): Declare.
1185 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1186 * gimple-pretty-print.c (pp_points_to_solution): New function.
1187 (dump_gimple_call): Dump call clobber/use information.
1188 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1189 * tree-pass.h (TDF_ALIAS): New dump option.
1190 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1191 * doc/invoke.texi (-fipa-pta): Update documentation.
1193 2010-04-15 Richard Guenther <rguenther@suse.de>
1195 * Makefile.in (OBJS-common): Add gimple-fold.o.
1196 (gimple-fold.o): New rule.
1197 * tree.h (maybe_fold_offset_to_reference,
1198 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1200 * gimple.h: ... here.
1201 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1202 may_propagate_address_into_dereference): Move prototypes ...
1203 * gimple.h: ... here.
1204 * tree-ssa-ccp.c (get_symbol_constant_value,
1205 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1206 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1207 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1208 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1209 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1210 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1211 gimplify_and_update_call_from_tree): Move ...
1212 * gimple-fold.c: ... here. New file.
1213 (ccp_fold_builtin): Rename to ...
1214 (gimple_fold_builtin): ... this.
1215 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1217 2010-04-15 Richard Guenther <rguenther@suse.de>
1219 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1220 fit_double_type, force_fit_type_double, add_double_with_sign,
1221 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1222 lrotate_double, rrotate_double, div_and_round_double): Move ...
1223 * double-int.c: ... here.
1224 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1225 add_double, neg_double, mul_double_with_sign, mul_double,
1226 lshift_double, rshift_double, lrotate_double, rrotate_double,
1227 div_and_round_double): Move prototypes ...
1228 * double-int.h: ... here.
1230 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1233 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1234 matching constraints to ensure inputs match the output.
1236 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1239 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1240 in an input-only operand.
1242 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1244 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1245 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1246 (double_int_negative_p): Convert to static inline function.
1247 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1248 (double_int_negative_p): Remove.
1249 * tree.h (lshift_double, rshift_double):
1250 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1251 * fold-const.c (fold_convert_const_int_from_real,
1252 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1253 (lshift_double): Change type of arith argument to bool.
1254 (rshift_double): Change type of arith argument to bool. Correct
1256 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1258 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1261 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1262 at the start and end of the then/else blocks, and omit them from the
1264 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1265 argument; all callers changed. Pass zero to old_insns_match_p instead.
1266 (flow_find_head_matching_sequence): New function.
1267 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1268 * basic-block.h (flow_find_cross_jump,
1269 flow_find_head_matching_sequence): Declare functions.
1271 2010-04-14 Jason Merrill <jason@redhat.com>
1274 * c-common.c (attribute_takes_identifier_p): New fn.
1275 * c-common.h: Declare it.
1277 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1279 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1281 (*udivmod<mode>4): Ditto.
1283 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1285 * config/i386/i386.md (maxmin_int): Rename code attribute from
1286 maxminiprefix and update all users.
1287 (maxmin_float): Ditto from maxminfprefix.
1288 (logic): Ditto from logicprefix.
1289 (absneg_mnemonic): Ditto from absnegprefix.
1290 * config/i386/mmx.md: Update all users of maxminiprefix,
1291 maxminfprefix and logicprefix for rename.
1292 * config/i386/sse.md: Ditto.
1293 * config/i386/sync.md (sync_<code><mode>): Update for
1296 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1299 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1300 warnings converted to errors.
1302 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1304 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1305 used insn_type variable.
1306 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1307 to avoid set-but-not-used warning.
1309 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1311 * df-core.c (df_ref_debug): Change format string placeholder
1313 * dwarf2asm.c (dw2_asm_output_data_raw,
1314 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1315 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1316 * dwarf2out.c (output_cfi, output_cfi_directive,
1317 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1318 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1320 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1321 * print-rtl.c (print_rtx): Ditto.
1323 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1326 * builtins.c (expand_builtin_pow_root): New function to expand pow
1327 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1328 series of sqrt and cbrt calls under -ffast-math.
1329 (expand_builtin_pow): Call it.
1331 2010-04-14 Michael Matz <matz@suse.de>
1333 PR tree-optimization/42963
1334 * tree-cfg.c (touched_switch_bbs): New static variable.
1335 (group_case_labels_stmt): New function broken out from ...
1336 (group_case_labels): ... here, use the above.
1337 (start_recording_case_labels): Allocate touched_switch_bbs.
1338 (end_recording_case_labels): Deallocate it, call
1339 group_case_labels_stmt.
1340 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1342 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1344 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1347 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1349 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1351 2010-04-13 Jan Hubicka <jh@suse.cz>
1353 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1354 of optimized out static functions.
1355 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1356 cost computation. Also sanity check for overflows.
1357 (update_caller_keys): Update cgraph_edge_badness call; properly
1358 update fibheap and sanity check that it is up to date.
1359 (add_new_edges_to_heap): Update cgraph_edge_badness.
1360 (cgraph_decide_inlining_of_small_function): Likewise;
1361 add sanity checking that badness in heap is up to date;
1362 improve dumping of reason; Update badness of calls to the
1363 offline copy of function currently inlined; dump badness
1364 of functions not inlined because of unit growth limits.
1366 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1369 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1370 because of sign-extension change when converting to sizetype here...
1371 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1373 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1374 the folding to constants. Remove redundant final conversion.
1375 (fold_binary) <associate>: Do not associate if the re-association of
1376 constants alone overflows.
1377 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1378 to the end of the list.
1379 (multiple_of_p) <COND_EXPR>: New case.
1381 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1383 * opt-functions.awk (opt_sanitized_name): New.
1385 * optc-gen.awk: Use it
1386 * opth-gen.awk: Use it.
1388 2010-04-13 Martin Jambor <mjambor@suse.cz>
1390 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1391 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1392 children. Call replace_uses_with_default_def_ssa_name to handle
1395 2010-04-13 Michael Matz <matz@suse.de>
1398 * builtins.c (expand_builtin_interclass_mathfn): Also create
1399 a register if the predicate doesn't match.
1401 2010-04-13 Diego Novillo <dnovillo@google.com>
1403 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1404 * c-pch.c: Include timevar.h.
1405 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1406 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1407 * ggc-common.c: Include timevar.h.
1408 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1409 * timevar.def (TV_PCH_SAVE): Define.
1410 (TV_PCH_CPP_SAVE): Define.
1411 (TV_PCH_PTR_REALLOC): Define.
1412 (TV_PCH_PTR_SORT): Define.
1413 (TV_PCH_RESTORE): Define.
1414 (TV_PCH_CPP_RESTORE): Define.
1416 2010-04-13 Michael Matz <matz@suse.de>
1418 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1420 (can_reassociate_p): New function.
1421 (break_up_subtract_bb, reassociate_bb): Use it.
1423 2010-04-13 Richard Guenther <rguenther@suse.de>
1426 * builtins.c (c_readstr): Fix assert.
1428 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1430 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1431 when generating cltd insn.
1433 (*ashl<mode>3_1): Remove special handling for register operand 2.
1434 (*ashlsi3_1_zext): Ditto.
1435 (*ashlhi3_1): Ditto.
1436 (*ashlhi3_1_lea): Ditto.
1437 (*ashlqi3_1): Ditto.
1438 (*ashlqi3_1_lea): Ditto.
1439 (*<shiftrt_insn><mode>3_1): Ditto.
1440 (*<shiftrt_insn>si3_1_zext): Ditto.
1441 (*<shiftrt_insn>qi3_1_slp): Ditto.
1442 (*<rotate_insn><mode>3_1): Ditto.
1443 (*<rotate_insn>si3_1_zext): Ditto.
1444 (*<rotate_insn>qi3_1_slp): Ditto.
1446 2010-04-13 Richard Guenther <rguenther@suse.de>
1448 * tree-ssa-structalias.c (callused_id): Remove.
1449 (call_stmt_vars): New.
1450 (get_call_vi): Likewise.
1451 (lookup_call_use_vi): Likewise.
1452 (lookup_call_clobber_vi): Likewise.
1453 (get_call_use_vi): Likewise.
1454 (get_call_clobber_vi): Likewise.
1455 (make_transitive_closure_constraints): Likewise.
1456 (handle_const_call): Adjust to do per-call call-used handling.
1457 (handle_pure_call): Likewise.
1458 (find_what_var_points_to): Remove general callused handling.
1459 (init_base_vars): Likewise.
1460 (init_alias_vars): Initialize call_stmt_vars.
1461 (compute_points_to_sets): Process call-used and call-clobbered
1462 vars for call statements.
1463 (delete_points_to_sets): Free call_stmt_vars.
1465 2010-04-13 Richard Guenther <rguenther@suse.de>
1467 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1468 Only add RW dependence for dependence distance zero.
1469 Adjust maximal vectorization factor according to dependences.
1470 Move alignment handling ...
1471 (vect_find_same_alignment_drs): ... here. New function.
1472 (vect_analyze_data_ref_dependences): Adjust.
1473 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1474 (vect_analyze_data_refs): Adjust minimal vectorization factor
1475 according to data references.
1476 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1477 dependences before determining the vectorization factor.
1478 Analyze alignment after determining the vectorization factor.
1479 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1480 dependences before alignment.
1481 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1483 (vect_analyze_data_refs): Likewise.
1484 (MAX_VECTORIZATION_FACTOR): New define.
1486 2010-04-13 Duncan Sands <baldrick@free.fr>
1488 * except.h (lang_eh_type_covers): Remove.
1489 * except.c (lang_eh_type_covers): Likewise.
1491 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1492 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1494 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1495 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1496 UNITS_PER_LONG where it is ABI relevant.
1497 (s390_return_addr_rtx): Likewise.
1498 (s390_back_chain_rtx): Likewise.
1499 (s390_frame_area): Likewise.
1500 (s390_frame_info): Likewise.
1501 (s390_initial_elimination_offset): Likewise.
1502 (save_gprs): Likewise.
1503 (s390_emit_prologue): Likewise.
1504 (s390_emit_epilogue): Likewise.
1505 (s390_function_arg_advance): Likewise.
1506 (s390_function_arg): Likewise.
1507 (s390_va_start): Likewise.
1508 (s390_gimplify_va_arg): Likewise.
1509 (s390_function_profiler): Likewise.
1510 (s390_optimize_prologue): Likewise.
1511 (s390_rtx_costs): Likewise.
1512 (s390_secondary_reload): Likewise.
1513 (s390_promote_function_mode): Likewise.
1514 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1515 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1516 registers available.
1517 (s390_unwind_word_mode): New function.
1518 (s390_function_value): Split 64 bit values into register pair if
1519 used as return value.
1520 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1521 function call parameters. Handle parallels.
1522 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1523 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1524 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1525 (s390_expand_setmem): Remove unused variable src_addr.
1526 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1527 deal with 64 bit registers.
1528 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1529 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1530 (UNITS_PER_LONG): New macro.
1531 * libjava/include/s390-signal.h: Define extended ucontext
1532 structure containing the upper halfs of the 64 bit registers.
1534 2010-04-13 Simon Baldwin <simonb@google.com>
1536 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1538 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1540 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1541 rvalue on the RHS if the LHS is of a non-renamable type.
1542 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1544 2010-04-13 Matthias Klose <doko@ubuntu.com>
1546 * gcc.c (cc1_options): Handle -iplugindir before processing
1547 the cc1 spec. Only add -iplugindir once.
1548 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1550 * common.opt (iplugindir): Remove `Separate' property, initialize.
1551 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1553 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1554 (distclean): Remove plugin dir.
1555 * doc/invoke.texi: Document -iplugindir.
1557 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1559 * doc/plugins.texi (Loading Plugins): Document short
1560 -fplugin=foo option.
1561 (Plugin API): Mention default_plugin_dir_name function.
1563 * gcc.c (find_file_spec_function): Add new declaration.
1564 (static_spec_func): Use it for "find-file".
1565 (find_file_spec_function): Add new function.
1566 (cc1_options): Add -iplugindir option if -fplugin* options found.
1568 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1570 * plugin.c (add_new_plugin): Updated comment, and handle short
1572 (default_plugin_dir_name): Added new function.
1574 * common.opt (iplugindir): New option to set the plugin directory.
1576 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1578 * config/i386/i386.md (any_rotate): New code iterator.
1579 (rotate_insn): New code attribute.
1581 (SWIM124): New mode iterator.
1582 (<rotate_insn>ti3): New expander.
1583 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1584 any_rotate code iterator.
1585 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1586 using any_rotate code iterator and SWIM124 mode iterator.
1587 (ix86_rotlti3): New insn_and_split pattern.
1588 (ix86_rotrti3): Ditto.
1589 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1590 ix86_rotl{di,ti}3 patterns.
1591 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1592 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1593 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1594 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1595 code iterator and SWI mode iterator.
1596 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1597 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1599 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1600 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1601 (bswap rotatert splitter): Add splitter.
1602 (bswap splitter): Macroize splitter using any_rotate code iterator.
1603 Add insn predicate to split only for TARGET_USE_XCHGB or when
1604 optimizing function for size.
1606 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1608 * config/pa/pa.c (emit_move_sequence): Remove use of
1609 deleted variable flag_argument_noalias.
1611 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1613 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1615 Add to unsupported targets list.
1616 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1617 sparc*-sun-solaris2.[567]* from target lists.
1618 * configure: Regenerate.
1619 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1621 Remove Solaris 7 patch references.
1622 (Specific, sparc-sun-solaris2.7): Removed.
1623 (sparc-sun-solaris2*): Update Solaris 7 example.
1624 (sparc64-*-solaris2*): Likewise.
1626 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1628 * config.build (alpha*-dec-osf4*): Remove.
1629 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1630 of obsolete configurations.
1631 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1633 * config/alpha/t-osf4: Renamed to ...
1634 * config/alpha/t-osf5: ... this.
1635 * config/alpha/osf.h: Renamed to ...
1636 * config/alpha/osf5.h: ... this.
1637 Merged old osf5.h contents.
1639 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1640 (EXTRA_SPECS): Removed.
1641 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1642 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1645 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1647 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1649 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1652 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1653 __thiscall convention.
1655 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1657 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1659 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1661 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1663 * function.c (assign_parms_initialize_all): Add unused attribute
1666 2010-04-12 Richard Guenther <rguenther@suse.de>
1668 * gsstruct.def (GSS_CALL): New.
1669 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1670 * gimple.h: Include tree-ssa-alias.h.
1671 (struct gimple_statement_call): New.
1672 (union gimple_statement_struct_d): Add gimple_call member.
1673 (gimple_call_reset_alias_info): Declare.
1674 (gimple_call_use_set): New function.
1675 (gimple_call_clobber_set): Likewise.
1676 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1677 * gimple.c (gimple_call_reset_alias_info): New function.
1678 (gimple_build_call_1): Call it.
1679 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1680 * tree-inline.c (remap_gimple_stmt): Likewise.
1681 (expand_call_inline): Remove callused handling.
1682 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1683 * tree-dfa.c (dump_variable): Likewise.
1684 * tree-parloops.c (parallelize_loops): Likewise.
1685 * tree-ssa.c (init_tree_ssa): Likewise.
1686 (delete_tree_ssa): Likewise.
1687 * tree-flow-inline.h (is_call_used): Remove.
1688 * tree-flow.h (struct gimple_df): Remove callused member.
1689 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1690 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1691 (ref_maybe_used_by_call_p_1): Simplify.
1692 (call_may_clobber_ref_p_1): Likewise.
1693 * tree-ssa-structalias.c (compute_points_to_sets): Set
1694 the call stmt used and clobbered sets.
1695 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1696 (find_tail_calls): Verify the tail call.
1698 2010-04-12 Richard Guenther <rguenther@suse.de>
1700 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1701 single-iteration always-inline inlining.
1702 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1703 (cgraph_decide_inlining): Do not handle always-inline specially.
1704 (try_inline): Remove always-inline cycle detection special case.
1705 Do not recurse on always-inlines.
1706 (cgraph_early_inlining): Do not iterate if not optimizing.
1707 (cgraph_gate_early_inlining): remove.
1708 (pass_early_inline): Run unconditionally.
1709 (gate_cgraph_decide_inlining): New function.
1710 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1711 not inlining or optimizing.
1712 (cgraph_decide_inlining_of_small_functions): Also consider
1713 always-inline functions.
1714 (cgraph_default_inline_p): Return true for nodes which should
1715 disregard inline limits.
1716 (estimate_function_body_sizes): Assume zero size and time for
1717 nodes which are marked as disregarding inline limits.
1718 (cgraph_decide_recursive_inlining): Do not perform recursive
1719 inlining on always-inline nodes.
1721 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1724 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1725 for exprs satisfying handled_component_p.
1727 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1729 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1730 non-constant aggregate elements.
1732 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1733 is a real initialization.
1735 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1738 * c-decl.c (start_function): Move forward check for nested function.
1740 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1742 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1743 * config/sh/sh.c: Include reload.h.
1744 (sh_legitimize_reload_address): New.
1745 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1746 sh_legitimize_reload_address.
1748 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1750 * config/sh/sh.md (*movqi_pop): New insn pattern.
1751 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1753 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1755 * config/i386/i386.md (any_shiftrt): New code iterator.
1756 (shiftrt_insn): New code attribute.
1758 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1759 using any_shiftrt code iterator.
1760 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1761 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1762 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1763 pattern from corresponding peephole2 patterns.
1764 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1765 using any_shiftrt code iterator.
1766 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1767 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1768 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1769 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1770 *{ashr,lshr}<mode>3_cmp_zext.
1771 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1773 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1775 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1777 (*lshr<mode>3_cconly): Ditto.
1779 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1781 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1782 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1783 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1784 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1786 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1787 from corresponding peephole2 patterns.
1788 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1789 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1790 and *lshrdi3_1_rex64 using SWI mode iterator.
1791 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1792 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1793 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1794 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1795 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1796 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1797 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1798 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1799 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1802 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1804 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1805 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1806 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1807 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1809 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1810 from corresponding peephole2 patterns.
1811 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1812 (ashrsi3_cvt): Rename from ashrsi3_31.
1813 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1814 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1815 and x86_64_shift_adj_3 using SWI48 mode iterator.
1816 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1817 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1818 and *ashrdi3_1_rex64 using SWI mode iterator.
1819 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1820 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1821 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1822 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1823 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1824 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1825 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1826 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1827 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1829 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1830 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1831 x86_shift<mode>_adj_3 expanders.
1833 2010-04-10 Wei Guozhi <carrot@google.com>
1836 * config/arm/arm.c (arm_pic_static_addr): New function.
1837 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1839 (arm_output_addr_const_extra): Output expression for new pattern.
1840 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1842 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1844 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1847 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1848 * web.c: Include "insn-config.h" and "recog.h".
1849 (union_match_dups): New function.
1850 (web_main): Call it.
1851 (union_defs): Don't try to recognize match_dups.
1853 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1854 if doing so would replace the entire pattern.
1856 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1860 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1861 and splitter pattern. Change splitter operand 1 predicate to
1864 2010-04-09 Martin Jambor <mjambor@suse.cz>
1866 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1867 lattices are addresses of CONST_DECLs with the same initial value.
1868 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1869 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1871 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1872 Bernd Schmidt <bernds@codesourcery.com>
1874 * loop-invariant.c (replace_uses): New static function.
1875 (move_invariant_reg): Use it to ensure we can replace the uses.
1877 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1879 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1881 (picochip_override_options): Enable section anchors only above -O1.
1882 (picochip_reorg): Fixed a couple of build warnings.
1884 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1886 * configure.ac (plugin -rdynamic test): Log result.
1887 * configure: Regenerate.
1888 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1889 (RDYNAMIC_SPEC): Define.
1890 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1892 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1894 * configure.ac: Determine Sun ld version numbers.
1895 (comdat_group): Restrict GNU ld version checks to gld.
1896 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1897 (enable_comdat): Support --enable-comdat.
1898 * configure: Regenerate.
1899 * doc/install.texi (Configuration): Document --enable-comdat.
1901 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1903 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1904 * config/sol2-gld.h: ... here.
1905 * config.gcc (sparc*-*-solaris2*): Reflect this.
1906 (i[34567]86-*-solaris2*): Use it.
1908 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1910 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1912 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1914 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1917 * diagnostic.c (diagnostic_initialize): Initialize
1918 some_warnings_are_errors.
1919 (diagnostic_finish): New.
1920 (diagnostic_action_after_output): Call it before exiting.
1921 (diagnostic_report_diagnostic): Do not print message here. Set
1922 some_warnings_are_errors.
1923 * diagnostic.h (diagnostic_context): Delete
1924 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1925 (diagnostic_finish): Declare.
1926 * toplev.c (toplev_main): Call it before exit.
1928 2010-04-09 Jason Merrill <jason@redhat.com>
1931 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1932 for incomplete type.
1935 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1936 based on a warning flag.
1938 2010-04-09 Richard Guenther <rguenther@suse.de>
1940 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1942 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1945 * varasm.c (default_assemble_visibility): Wrap vars that are
1946 set, but unused, by targets without GAS.
1947 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1948 Remove set, but unused, vars.
1949 (rs6000_legitimize_tls_address): Likewise.
1950 (altivec_expand_dst_builtin): Likewise.
1951 * config/darwin.c (machopic_classify_symbol): Likewise.
1952 (machopic_indirection_name): Likewise.
1954 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1956 * config/i386/i386.md (DWI): New mode iterator.
1957 (S): New mode attribute.
1958 (shift_operand): Ditto.
1959 (shift_immediate_operand): Ditto.
1960 (ashl_input_operand): Ditto.
1961 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1962 using SDWIM mode iterator.
1963 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1964 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1966 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1967 from corresponding peephole2 patterns.
1968 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1969 and x86_64_shift_adj_1 using SWI48 mode iterator.
1970 (x86_shift<mode>_adj_2): Ditto.
1971 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1972 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1973 using SWI48 mode iterator.
1974 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1975 *ashldi3_cmp_rex64 using SWI mode iterator.
1976 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1977 *ashldi3_cconly_rex64 using SWI mode iterator.
1978 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1979 x86_shift<mode>_adj_{1,2}.
1980 (ix86_split_ashr): Ditto.
1981 (ix86_split_lshr): Ditto.
1983 2010-04-09 Richard Guenther <rguenther@suse.de>
1985 * target.h (builtin_conversion): Pass in input and output types.
1986 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1987 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1988 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1989 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1991 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1993 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1995 2010-04-09 Richard Guenther <rguenther@suse.de>
1998 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2000 2010-04-09 Richard Guenther <rguenther@suse.de>
2002 * tree-vectorizer.h (struct _stmt_vec_info): Document
2003 that vectype is the type of the LHS.
2004 (supportable_widening_operation, supportable_narrowing_operation):
2005 Get both input and output vector types as arguments.
2006 (vect_is_simple_use_1): Declare.
2007 (get_same_sized_vectype): Likewise.
2008 * tree-vect-loop.c (vect_determine_vectorization_factor):
2009 Set STMT_VINFO_VECTYPE to the vector type of the def.
2010 (vectorizable_reduction): Adjust.
2011 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2012 Adjust. Specify the output vector type.
2013 (vect_pattern_recog_1): Adjust.
2014 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2015 (vectorizable_call): Adjust.
2016 (vectorizable_conversion): Likewise.
2017 (vectorizable_operation): Likewise.
2018 (vectorizable_type_demotion): Likewise.
2019 (vectorizable_type_promotion): Likewise.
2020 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2022 (vect_is_simple_use_1): New function.
2023 (supportable_widening_operation): Get both input and output
2025 (supportable_narrowing_operation): Likewise.
2026 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2028 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2030 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2031 __thiscall and _thiscall as predefined macros.
2032 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2033 thiscall attribute handling.
2034 (ix86_comp_type_attributes): Likewise.
2035 (ix86_function_regparm): Likewise.
2036 (ix86_return_pops_args): Likewise.
2037 (init_cumulative_args): Likewise.
2038 (find_drap_reg): Likewise.
2039 (ix86_static_chain): Likewise.
2040 (x86_this_parameter): Likewise.
2041 (x86_output_mi_thunk): Likewise.
2042 (ix86_attribute_table): Add description for thiscall attribute.
2043 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2044 * doc/extend.texi: Add documentation for thiscall.
2046 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2049 * c.opt (Wint-to-pointer-cast): Available in C++.
2050 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2052 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2054 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2055 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2056 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2057 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2058 function type instead. Reorder and simplify checks.
2060 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2062 2010-04-08 Jing Yu <jingyu@google.com>
2063 Zdenek Dvorak <ook@ucw.cz>
2065 PR tree-optimization/42720
2066 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2067 loop unswitch conditions here from ...
2068 (tree_unswitch_single_loop): ... here.
2070 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2072 * tree-if-conv.c: Fix comments and simplify logic.
2074 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2076 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2077 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2078 (main_tree_if_conversion): Update call to tree_if_conversion.
2080 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2083 * doc/invoke.texi (-b,-V): Delete.
2084 * doc/tm.texi: Do not mention -b.
2085 * gcc.c (display_help): Delete -b and -V.
2086 (process_command): Delete -b and -V.
2087 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2089 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2090 Wolfgang Gellerich <gellerich@de.ibm.com>
2092 Implement target hook for loop unrolling
2093 * target.h (loop_unroll_adjust): Add a new target hook function.
2094 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2095 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2096 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2097 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2098 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2100 (decide_unroll_stupid): Likewise.
2102 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2105 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2107 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2109 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2110 (Specific, *-*-solaris2*): Likewise.
2111 Don't prefer Sun as over GNU as.
2113 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2115 * config/s390/s390.c (override_options): Adjust the z10
2116 defaults for max-unroll-times, max-completely-peeled-insns
2117 and max-completely-peel-times.
2119 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2121 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2122 instructions for z10.
2123 (s390_expand_setmem): Likewise.
2124 (s390_expand_cmpmem): Likewise.
2126 2010-04-08 Richard Guenther <rguenther@suse.de>
2128 PR tree-optimization/43679
2129 * tree-ssa-pre.c (eliminate): Only propagate copies.
2131 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2134 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2135 set but not used variable warning.
2137 2010-04-08 Wei Guozhi <carrot@google.com>
2140 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2141 (arm_size_rtx_costs): Call the new function when optimized for size.
2143 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2146 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2147 op0 is not a MEM, just return NULL instead of assertion
2149 (discover_nonconstant_array_refs): Don't walk debug stmts.
2151 2010-04-08 Doug Kwan <dougkwan@google.com>
2153 * configure.ac: Recognize gold and do not use its version number
2154 to test ld features.
2155 * configure: Regenerate.
2157 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2160 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2161 (negate_value): Move code to push elements to broken_up_substracts ...
2162 (eliminate_plus_minus_pair): ... here. Push operands that have no
2163 negative pair to plus_negates.
2164 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2166 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2168 * doc/install.texi (Configuration): Move description of
2169 --enable-lto, --with-libelf*, --enable-gold from Java section to
2172 * doc/generic.texi (Working with declarations)
2173 (Function Properties, C and C++ Trees): Fix typos.
2174 * doc/sourcebuild.texi (Top Level): Likewise.
2176 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2179 * tree.h (DECL_READ_P): Define.
2180 (struct tree_decl_common): Add decl_read_flag.
2181 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2182 a set but not used warning.
2183 (merge_decls): Merge DECL_READ_P flag.
2184 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2185 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2186 * c-common.c (handle_used_attribute, handle_unused_attribute):
2188 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2190 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2192 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2193 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2194 c_parser_binary_expression, c_parser_cast_expression,
2195 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2196 Call default_function_array_read_conversion instead of
2197 default_function_array_conversion where needed.
2198 (c_parser_unary_expression, c_parser_conditional_expression,
2199 c_parser_postfix_expression_after_primary, c_parser_initelt):
2200 Likewise. Call mark_exp_read where needed.
2201 (c_parser_statement_after_labels, c_parser_asm_operands,
2202 c_parser_typeof_specifier, c_parser_sizeof_expression,
2203 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2205 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2207 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2208 (warn_unused_but_set_parameter): Default to warn_unused
2210 * doc/invoke.texi: Document -Wunused-but-set-variable and
2211 -Wunused-but-set-parameter.
2213 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2214 used count variable.
2215 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2216 when operandN variables aren't used in the body of the expander
2218 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2219 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2220 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2221 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2222 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2223 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2224 * tree.c (PROCESS_ARG): Likewise.
2226 2010-04-07 Simon Baldwin <simonb@google.com>
2228 * diagnostic.h (diagnostic_override_option_index): New macro to
2229 set a diagnostic's option_index.
2230 * c-tree.h (c_cpp_error): Add warning reason argument.
2231 * opts.c (_warning_as_error_callback): New.
2232 (register_warning_as_error_callback): Store callback for
2233 warnings enabled via enable_warning_as_error.
2234 (enable_warning_as_error): Call callback, minor code tidy.
2235 * opts.h (register_warning_as_error_callback): Declare.
2236 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2237 response to -Werror=.
2238 (c_common_init_options): Register warning_as_error_callback in opts.c.
2239 * common.opt: Add -Wno-cpp option.
2240 * c-common.c (struct reason_option_codes_t): Map cpp warning
2241 reason codes to gcc option indexes.
2242 * (c_option_controlling_cpp_error): New function, lookup the gcc
2243 option index for a cpp warning reason code.
2244 * (c_cpp_error): Add warning reason argument, call
2245 c_option_controlling_cpp_error for diagnostic_override_option_index.
2246 * doc/invoke.texi: Document -Wno-cpp.
2248 2010-04-07 Richard Guenther <rguenther@suse.de>
2250 * ipa-reference.c (mark_load): Use get_base_address.
2251 (mark_store): Likewise.
2253 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2254 inserting GIMPLE_NOPs into the IL.
2255 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2256 Explicitly strip handled components and indirect references.
2258 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2259 folding address expressions.
2260 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2261 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2262 operand_equal_p to compare decls.
2263 (ptr_deref_may_alias_decl_p): Likewise.
2264 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2265 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2266 Handle reversed comparison ops.
2267 * tree-sra.c (asm_visit_addr): Use get_base_address.
2268 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2269 * ipa-reference.c (mark_address): Use get_base_address.
2271 2010-04-07 Richard Guenther <rguenther@suse.de>
2273 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2274 Propagate constants everywhere.
2276 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2279 * tree.c (MAX_INT_CACHED_PREC): Define.
2280 (nonstandard_integer_type_cache): New array.
2281 (build_nonstandard_integer_type): Cache results for precision
2282 <= MAX_INT_CACHED_PREC.
2284 2010-04-07 Richard Guenther <rguenther@suse.de>
2286 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2287 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2288 * common.opt: Likewise.
2289 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2290 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2291 (nonoverlapping_memrefs_p): Likewise.
2292 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2293 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2294 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2295 OPT_fargument_noalias_global for backward compatibility.
2297 2010-04-07 Richard Guenther <rguenther@suse.de>
2299 PR tree-optimization/43270
2300 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2301 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2302 * tree-ssa-pre.c (phi_translate_1): Adjust.
2303 (fully_constant_expression): Split out vn_reference handling to ...
2304 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2305 Fold reads from constant strings.
2306 (vn_reference_lookup): Handle fully constant references.
2307 (vn_reference_lookup_pieces): Likewise.
2308 * Makefile.in (expmed.o-warn): Add -Wno-error.
2310 2010-04-07 Martin Jambor <mjambor@suse.cz>
2312 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2314 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2317 * gcc.c: Add -static-libstdc++ to list of recognized options.
2319 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2321 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2323 2010-04-07 Richard Guenther <rguenther@suse.de>
2326 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2327 bases build simple mem attributes to retain points-to information.
2329 2010-04-07 Richard Guenther <rguenther@suse.de>
2332 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2333 preserve points-to related information.
2335 2010-04-07 Richard Guenther <rguenther@suse.de>
2338 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2339 discard plain indirect references.
2340 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2341 * tree.c (tree_nop_conversion): Likewise.
2343 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2346 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2348 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2350 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2351 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2353 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2355 * tree-if-conv.c: Fix indentation and comments.
2357 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2359 * tree-if-conv.c: Sort static functions in topological order.
2361 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2363 * tree-if-conv.c: Fix indentation and comments.
2365 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2368 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2369 lang_hooks.types.type_for_size instead of
2370 build_nonstandard_integer_type.
2371 When converting an unsigned type to signed, double its precision.
2372 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2373 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2374 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2377 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2380 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2381 POINTER_PLUS_EXPR for pointer types.
2383 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2386 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2387 * graphite-clast-to-gimple.c: Include langhooks.h.
2388 (max_signed_precision_type): New.
2389 (max_precision_type): Takes two types as arguments.
2390 (precision_for_value): New.
2391 (precision_for_interval): New.
2392 (gcc_type_for_interval): New.
2393 (gcc_type_for_value): New.
2394 (gcc_type_for_clast_term): New.
2395 (gcc_type_for_clast_red): New.
2396 (gcc_type_for_clast_bin): New.
2397 (gcc_type_for_clast_expr): Split up into several functions.
2398 (gcc_type_for_clast_eq): Rewritten.
2399 (compute_bounds_for_level): New.
2400 (compute_type_for_level_1): New.
2401 (compute_type_for_level): New.
2402 (gcc_type_for_cloog_iv): Removed.
2403 (gcc_type_for_iv_of_clast_loop): Rewritten.
2404 (graphite_create_new_loop): Compute the lower and upper bound types
2405 with gcc_type_for_clast_expr.
2406 (graphite_create_new_loop_guard): Same.
2407 (find_cloog_iv_in_expr): Removed.
2408 (compute_cloog_iv_types_1): Removed.
2409 (compute_cloog_iv_types): Removed.
2410 (gloog): Do not call compute_cloog_iv_types.
2411 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2413 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2414 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2415 (GBB_CLOOG_IV_TYPES): Removed.
2417 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2419 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2420 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2421 (detect_commutative_reduction): Same.
2423 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2425 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2426 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2428 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2429 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2430 (rewrite_commutative_reductions_out_of_ssa): Same.
2431 * passes.c (execute_function_todo): Call verify_ssa for every pass
2432 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2433 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2434 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2435 with an extra argument.
2436 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2437 verify_ssa only when the extra argument is true.
2438 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2439 with an extra argument.
2440 (tree_transform_and_unroll_loop): Same.
2442 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2444 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2445 for all the passes of the LNO having LOOP_CLOSED_SSA.
2446 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2447 * tree-loop-distribution.c (pass_loop_distribution): Same.
2448 * tree-pass.h (TODO_verify_loops): Removed.
2449 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2451 (pass_tree_unswitch): Same.
2452 (pass_predcom): Same.
2453 (pass_vectorize): Same.
2454 (pass_linear_transform): Same.
2455 (pass_graphite_transforms): Same.
2456 (pass_iv_canon): Same.
2457 (pass_complete_unroll): Same.
2458 (pass_complete_unrolli): Same.
2459 (pass_parallelize_loops): Same.
2460 (pass_loop_prefetch): Same.
2461 (pass_iv_optimize): Same.
2463 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2466 * passes.c (init_optimization_passes): Move pass_lim before
2467 pass_copy_prop and pass_dce_loop.
2469 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2472 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2473 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2474 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2475 MULTI_* defines for 4 argument vpermil2p* builtins.
2477 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2479 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2480 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2481 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2482 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2483 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2484 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2485 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2486 Use x86_maybe_negate_const_int to output insn mnemonic.
2487 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2488 check from instruction predicate. Update comments.
2489 * config/i386/sync.md (sync_add<mode>): Use
2490 x86_maybe_negate_const_int to output insn mnemonic.
2492 2010-04-06 Jan Hubicka <jh@suse.cz>
2494 PR tree-optimization/42906
2495 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2496 IGNORE_SELF argument. Set visited_control_parents for fully
2498 (find_obviously_necessary_stmts): Update call of
2499 mark_control_dependent_edges_necessary.
2500 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2502 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2504 * config/i386/i386.md: Remove comment about 'e' and 'E'
2507 2010-04-06 Richard Guenther <rguenther@suse.de>
2509 PR tree-optimization/43627
2510 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2511 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2514 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2516 * BASE-VER: Change to 4.6.0.
2519 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2522 2010-04-06 Richard Guenther <rguenther@suse.de>
2525 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2527 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2529 * doc/invoke.texi (Optimize Options): Document that LTO
2530 won't remove object access purely due to incompatible
2533 2010-04-04 Matthias Klose <doko@ubuntu.com>
2535 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2536 Initialize variable.
2538 2010-04-03 Richard Guenther <rguenther@suse.de>
2541 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2542 require a non-NULL MEM_OFFSET.
2544 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2546 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2547 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2548 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2549 config/alpha/predicates.md, config/arm/arm.md,
2550 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2551 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2552 config/darwin9.h, config/darwin.c, config/darwin.h,
2553 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2554 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2555 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2556 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2557 config/mips/mips.md, config/mn10300/mn10300.c,
2558 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2559 config/rs6000/aix.h, config/rs6000/dfp.md,
2560 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2561 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2562 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2563 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2564 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2565 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2566 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2567 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2568 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2569 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2570 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2571 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2572 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2573 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2574 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2575 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2576 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2577 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2578 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2579 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2580 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2581 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2582 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2583 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2584 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2585 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2586 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2587 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2588 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2589 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2590 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2591 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2592 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2593 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2594 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2595 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2597 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2600 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2601 * aclocal.m4: Regenerate.
2603 2010-04-02 Richard Guenther <rguenther@suse.de>
2605 PR tree-optimization/43629
2606 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2607 if we have seen a constant value.
2609 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2611 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2613 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2616 * arm.c (legitimize_tls_address): Adjust call to
2617 gen_tls_load_dot_plus_four.
2618 (arm_note_pic_base): New function.
2619 (arm_cannot_copy_insn_p): Use it.
2620 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2623 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2628 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2630 * Makefile.in ($(out_object_file)): Depend on
2631 gt-$(basename $(notdir $(out_file))).h.
2633 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2635 * config.gcc (lm32-*-rtems*): Add t-lm32.
2637 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2639 * config.gcc: Add lm32-*-rtems*.
2640 * config/lm32/rtems.h: New file.
2642 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2645 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2647 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2649 * dwarf2out.c (output_compilation_unit_header): For
2650 -gdwarf-4 use version 4 instead of version 3.
2651 (output_line_info): For version 4 and above emit additional
2652 maximum ops per insn header field.
2653 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2655 * dwarf2out.c (is_c_family, is_java): Remove.
2656 (lower_bound_default): New function.
2657 (add_bound_info, gen_descr_array_type_die): Use it.
2659 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2662 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2663 re-declaration when it happens in a function.
2665 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2667 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2668 (cgraph_remove_function_insertion_hook): Same.
2669 (cgraph_call_function_insertion_hooks): Same.
2671 2010-04-01 Richard Guenther <rguenther@suse.de>
2674 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2675 and TREE_THIS_VOLATILE.
2676 (copy_ref_info): Likewise.
2677 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2678 * tree.c (build6_stat): Ignore side-effects of all but arg5
2679 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2682 2010-04-01 Richard Guenther <rguenther@suse.de>
2684 PR tree-optimization/43607
2685 * ipa-type-escape.c (check_call): Do not access non-existing
2688 2010-04-01 Richard Guenther <rguenther@suse.de>
2692 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2693 Jack Howarth <howarth@bromo.med.uc.edu>
2695 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2698 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2700 * doc/install.texi (Prerequisites): Document libelf usability on
2701 IRIX 5/6 and Solaris 2.
2702 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2703 Update GNU as, GNU ld requirements.
2704 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2705 Document Sun Studio compiler download.
2706 Update and simplify as, ld recommendations.
2707 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2709 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2711 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2712 with_tune_32 to pentium4.
2714 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2716 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2718 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2720 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2721 obsoletion, removal.
2723 Document GNU as requirement.
2724 Update configure requirements.
2725 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2726 Recomment IRIX 6.5.18+.
2727 Document IDF/IDL requirement.
2728 Document GNU as requirement.
2729 Document GNU ld bootstrap failure.
2730 Remove freeware.sgi.com reference.
2732 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2734 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2735 UNIX V4.0, V5.0 obsoletion, removal.
2736 Remove --with-gc=simple reference.
2737 Update VM requirements during bootstrap.
2738 Remove -oldas bootstrap description.
2739 Update binutils reference.
2740 Remove comparison failure note.
2742 2010-03-31 Richard Guenther <rguenther@suse.de>
2743 Zdenek Dvorak <ook@ucw.cz>
2744 Sebastian Pop <sebastian.pop@amd.com>
2747 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2748 with multiple arguments.
2749 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2751 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2753 * graphite-dependences.c (print_pddr): Call print_pdr with an
2755 * graphite-poly.c (debug_pdr): Add an extra argument for the
2758 (print_pbb_domain): Same.
2760 (print_scop_context): Same.
2762 (print_cloog): Same.
2763 (debug_pbb_domain): Same.
2767 (debug_scop_context): Same.
2769 (debug_cloog): Same.
2770 (print_scop_params): Same.
2771 (debug_scop_params): Same.
2772 (print_iteration_domain): Same.
2773 (print_iteration_domains): Same.
2774 (debug_iteration_domain): Same.
2775 (debug_iteration_domains): Same.
2776 (print_scattering_function): Same.
2777 (print_scattering_functions): Same.
2778 (debug_scattering_function): Same.
2779 (debug_scattering_functions): Same.
2780 * graphite-poly.h (debug_pdr): Update declaration.
2782 (print_pbb_domain): Same.
2784 (print_scop_context): Same.
2786 (print_cloog): Same.
2787 (debug_pbb_domain): Same.
2791 (debug_scop_context): Same.
2793 (debug_cloog): Same.
2794 (print_scop_params): Same.
2795 (debug_scop_params): Same.
2796 (print_iteration_domain): Same.
2797 (print_iteration_domains): Same.
2798 (debug_iteration_domain): Same.
2799 (debug_iteration_domains): Same.
2800 (print_scattering_function): Same.
2801 (print_scattering_functions): Same.
2802 (debug_scattering_function): Same.
2803 (debug_scattering_functions): Same.
2805 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2807 * graphite-poly.c (print_scattering_function_1): New.
2808 (print_scattering_function): Call it.
2809 (print_scop_params): Remove spaces at the end of lines.
2812 * graphite-poly.h (print_cloog): Declared.
2813 (debug_cloog): Declared.
2815 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2817 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2819 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2820 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2821 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2822 to switch between adding the IV bump in loop->latch or in loop->header.
2824 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2826 * graphite-poly.c (print_scattering_function): Pretty print following
2829 (print_pbb_domain): Same.
2830 (dump_gbb_cases): Same.
2831 (dump_gbb_conditions): Same.
2834 (print_scop_params): Same.
2835 (print_scop_context): Same.
2837 (print_pbb_body): New.
2838 (lst_indent_to): New.
2839 (print_lst): Start new lines with a #.
2840 * graphite-poly.h (pbb_bb): New.
2841 (pbb_index): Use pbb_bb.
2842 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2844 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2846 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2848 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2849 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2850 and 0 instead of 1 for dw_val_class_flag.
2851 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2852 dw_val_class_range_list, dw_val_class_loc_list,
2853 dw_val_class_lineptr and dw_val_class_macptr, use
2854 DW_FORM_flag_present for dw_val_class_flag and
2855 DW_FORM_exprloc for dw_val_class_loc.
2856 (output_die): For -gdwarf-4 print dw_val_class_loc
2857 size as uleb128 instead of 1 or 2 bytes and don't print
2858 anything for dw_val_class_flag.
2860 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2861 instead of cselib_lookup following by tweaking locs->setting_insn.
2864 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2865 even before returning from label, setjmp call or volatile asm
2868 2010-03-31 Richard Guenther <rguenther@suse.de>
2871 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2872 temporary data on stack.
2874 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2876 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2877 (PUSHSECTION_ASM_OP): Remove.
2878 (POPSECTION_ASM_OP): Remove.
2879 (PUSHSECTION_FORMAT): Remove.
2880 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2881 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2882 * config/sol2.c (solaris_output_init_fini): Use it.
2884 2010-03-31 Jie Zhang <jie@codesourcery.com>
2887 * opt-functions.awk (var_type_struct): Use signed char type
2888 for simple variables.
2890 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2892 * config/sol2.c: Include output.h.
2893 (solaris_assemble_visibility): New function.
2894 * config/t-sol2 (sol2.o): Add output.h dependency.
2895 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2896 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2899 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2902 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2903 V2SImode or XFmode on PRE_DEC.
2906 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2909 2010-03-31 Jie Zhang <jie@codesourcery.com>
2912 * reload.h (caller_save_initialized_p): Declare.
2913 * toplev.c (backend_init_target): Don't call
2914 init_caller_save but set caller_save_initialized_p to false.
2915 * caller-save.c (caller_save_initialized_p): Define.
2916 (init_caller_save): Check caller_save_initialized_p.
2917 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2919 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2922 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2923 and soft-fp/t-softfp to tmake_file.
2924 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2925 (LIBGCC2_TF_CEXT): Define.
2928 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2931 * cselib.c (n_useless_values): Document handling of debug locs.
2932 (n_useless_debug_values, n_debug_values): New variables.
2933 (new_elt_loc_list): Don't add to debug values, keep count.
2934 (promote_debug_loc): New.
2935 (cselib_reset_table): Zero new variables.
2936 (entry_and_rtx_equal_p): Promote debug locs.
2937 (discard_useless_locs): Increment n_useless_debug_values for
2939 (remove_useless_values): Adjust n_useless_values and n_debug_values
2940 with n_useless_debug_values.
2941 (add_mem_for_addr): Promote debug locs.
2942 (cselib_lookup_mem): Likewise.
2943 (cselib_lookup_addr): Renamed to...
2944 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2945 (cselib_log_lookup): ... this. Turn into...
2946 (cselib_lookup_addr): ... new wrapper.
2947 (cselib_lookup_from_insn): New.
2948 (cselib_invalidate_regno): Increment n_useless_debug_values for
2950 (cselib_invalidate_mem): Likewise.
2951 (cselib_process_insn): Take n_deleted and n_debug_values into
2952 account to guard remove_useless_value call.
2953 (cselib_finish): Zero n_useless_debug_values.
2954 * cselib.h (cselib_lookup_from_insn): Declare.
2955 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2956 (sched_analyze_2): Likewise.
2958 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2960 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2962 (adjust_mems): Replace narrowing SUBREG of expression containing
2963 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2964 with operations in the narrower mode.
2967 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2968 regs_invalidated_by_call instead all call_used_reg_set registers.
2970 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2973 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2974 pointer comparisons with types_compatible_p.
2975 * tree-vect-stmts.c (vectorizable_call): Same.
2976 (vectorizable_condition): Same.
2978 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2980 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2981 stack check if the mask would be zero.
2983 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2984 Jack Howarth <howarth@bromo.med.uc.edu>
2986 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2989 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2992 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2994 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2995 Include ___unordxf2 and ___unordtf2.
2996 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2999 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3001 * config/lm32/t-lm32: New file.
3002 * config.gcc: Use the above file when targetting lm32.
3004 2010-03-28 Duncan Sands <baldrick@free.fr>
3006 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3008 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3011 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3012 Improve vectorization cost model diagnostic.
3014 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3017 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3018 compute_data_dependences_for_loop returns false, early exit
3019 and output an extra diagnostic for the failed data reference
3022 2010-03-29 Richard Guenther <rguenther@suse.de>
3024 PR tree-optimization/43560
3025 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3026 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3028 2010-03-29 Jie Zhang <jie@codesourcery.com>
3031 * toplev.c (process_options): Set optimization_default_node
3032 and optimization_current_node.
3033 * opts.c (decode_options): Don't set optimization_default_node
3034 and optimization_current_node.
3036 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3038 * config/rtems.h: Abandon -qrtems_debug.
3040 2010-03-28 Jan Hubicka <jh@suse.cz>
3042 PR tree-optimization/43505
3043 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3044 map should not be copied.
3046 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3049 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3050 cdtors, set DECL_PRESERVE_P.
3051 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3054 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3056 PR tree-optimization/43528
3057 * stor-layout.c (place_field): Check that constant fits into
3058 unsigned HWI when skipping calculation of MS bitfield layout.
3060 2010-03-27 Jan Hubicka <jh@suse.cz>
3063 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3064 notice_global_symbol work.
3066 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3068 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3069 instead of dwarf2out_decl.
3070 (struct var_loc_node): Remove section_label field.
3071 (dwarf2out_function_decl): New function.
3072 (dwarf2out_var_location): Don't set section_label field.
3073 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3075 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3077 PR tree-optimization/43544
3078 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3079 First argument for builtin vectorized function hook is now a
3080 tree to be able to distinguish between machine specific and
3082 * targhooks.c (default_builtin_vectorized_function): Ditto.
3083 * targhooks.h (default_builtin_vectorized_function): Ditto.
3084 * target.h (struct gcc_target): Ditto.
3085 * tree-vect-stmts.c (vectorizable_function): Ditto.
3086 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3087 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3090 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3093 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3094 nested binding iff it is a FUNCTION_DECL.
3095 (store_parm_decls_newstyle): Pass nested=true to bind for
3096 FUNCTION_DECLs amongst parameters.
3098 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3100 * var-tracking.c (vt_expand_loc_callback): Don't run
3101 cselib_expand_value_rtx_cb in dummy mode if
3102 cselib_dummy_expand_value_rtx_cb returned false.
3104 * var-tracking.c (emit_note_insn_var_location): For one part
3105 notes with offset 0, don't add EXPR_LIST around the location.
3106 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3107 add_location_or_const_value_attribute): Adjust for that change.
3110 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3111 into first operand and location into second.
3112 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3113 dw_cfi_oprnd_loc for DW_CFA_expression.
3114 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3115 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3116 assume first argument is regnum and second argument is location.
3118 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3121 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3122 of scratch register to DImode. Split to DImode comparison operator.
3123 Use SImode subreg of scratch register in the multiplication.
3124 (*cmp_sadd_sidi): Ditto.
3125 (*cmp_ssub_si): Ditto.
3126 (*cmp_ssub_sidi): Ditto.
3128 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3131 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3132 Remove invalid assert and wrong comment.
3134 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3137 * flags.h (final_insns_dump_p): New extern.
3138 * final.c (final_insns_dump_p): New variable.
3139 (rest_of_clean_state): Set it before -fdump-final-insns=
3140 dumping, clear afterwards.
3141 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3142 MEM_ALIAS_SET on MEMs.
3144 2010-03-26 David S. Miller <davem@davemloft.net>
3146 * configure.ac: Fix sparc GOTDATA_OP bug check.
3147 * configure: Rebuild.
3149 2010-03-26 Alan Modra <amodra@gmail.com>
3151 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3153 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3155 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3156 TLS_SECTION_ASM_FLAG.
3158 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3161 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3162 Clear first_function_block_is_cold.
3165 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3166 argument if the argument is truth_value_p.
3168 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3170 * config/rs6000/constraints.md: Update copyright year for my changes.
3173 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3174 used in reg+reg addressing, swap registers.
3176 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3179 * target.h (struct gcc_target): Add code_end hook.
3180 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3182 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3183 * toplev.c (compile_file): Call targetm.asm_out.code_end
3184 hook before unwind info/debug info output.
3185 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3186 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3187 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3188 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3189 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3190 * config/i386/i386.c (ix86_file_end): Renamed to...
3191 (ix86_code_end): ... this. Make static. Don't call
3192 file_end_indicate_exec_stack. Emit unwind info using
3193 final_start_function/final_end_function.
3194 (darwin_x86_file_end): Remove.
3195 (TARGET_ASM_CODE_END): Define.
3196 * config/i386/i386.h (TARGET_ASM_FILE_END,
3197 NEED_INDICATE_EXEC_STACK): Don't define.
3198 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3199 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3200 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3201 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3204 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3205 at the beginning and final_end_function at the end.
3206 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3208 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3210 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3211 and Sun as TLS syntax.
3212 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3213 * configure: Regenerate.
3214 * config.in: Regenerate.
3215 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3216 (default_elf_asm_named_section): Use it.
3217 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3218 (i386_output_dwarf_dtprel): Likewise.
3219 (output_addr_const_extra): Likewise.
3220 (output_pic_addr_const): Lowercase @GOTTPOFF.
3221 (output_addr_const_extra): Likewise.
3222 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3223 (output_addr_const_extra): Likewise.
3224 (output_pic_addr_const): Lowercase @INDNTPOFF.
3225 (output_addr_const_extra): Likewise.
3226 (output_pic_addr_const): Lowercase @NTPOFF.
3227 (output_addr_const_extra): Likewise.
3228 (output_pic_addr_const): Lowercase @TPOFF.
3229 (output_addr_const_extra): Likewise.
3230 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3231 (*tls_global_dynamic_64): Likewise.
3232 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3233 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3235 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3236 (ASM_OUTPUT_TLS_COMMON): Use it.
3237 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3240 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3241 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3242 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3243 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3244 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3245 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3247 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3249 * config/i386/i386.c (override_options): Don't accept
3250 -mtls-dialect=sun any longer.
3251 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3252 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3253 (*tls_local_dynamic_base_32_sun): Likewise.
3254 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3256 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3259 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3260 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3263 * ira.c (adjust_cleared_regs): New function.
3264 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3268 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3270 * expr.c (expand_expr_real): Restore previous
3271 curr_insn_source_location and curr_insn_block after
3272 expand_expr_real_1 call.
3273 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3274 instead of expand_expr_real_1.
3276 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3278 PR rtl-optimization/43413
3279 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3282 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3285 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3286 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3288 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3290 * config/i386/i386.c (ix86_target_string): Add -mfma.
3291 Fix a typo in comment.
3293 2010-03-22 Mike Stump <mikestump@comcast.net>
3296 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3297 Don't overly align based upon packed packed fields.
3299 2010-03-22 Jason Merrill <jason@redhat.com>
3301 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3302 Use () rather than [], and move before the element type.
3304 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3306 * doc/configfiles.texi (Configuration Files): Removed
3307 fixinc/Makefile*, intl/Makefile.*.
3308 * doc/makefile.texi: Fixed markup. Abstract from version
3309 control system used.
3310 (Makefile): Removed obsolete gcc/java/parse.y example.
3311 * doc/sourcebuild.texi: Likewise.
3312 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3313 libgomp, libssp. Removed fastjar.
3314 (Miscellaneous Docs): Clarify location.
3315 Added COPYING3, COPYING3.LIB.
3316 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3318 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3321 * config/i386/i386.c (x86_function_profiler)
3322 [!NO_PROFILE_COUNTERS]: Fix typo.
3323 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3326 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3327 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3329 * doc/sourcebuild.texi (Test Directives): Split into six
3330 subsections, with most of the current text in new subsections
3331 Directives, Selectors, and Final Actions.
3332 (Directives): Split list of test directives into multiple
3334 (Selectors): Describe use and syntax of selectors.
3335 (Effective-Target Keywords): Describe all existing keywords.
3336 (Add Options): Describe features for dg-add-options.
3337 (Require Support): Describe variants of dg-require-support.
3338 (Final Actions): Describe commands to use in dg-final.
3340 2010-03-22 Michael Matz <matz@suse.de>
3343 * recog.c (validate_replace_rtx_group): Replace also in
3344 REG_EQUAL and REG_EQUIV notes.
3346 2010-03-22 Richard Guenther <rguenther@suse.de>
3348 PR tree-optimization/43390
3349 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3350 sure vector extracts are type correct.
3352 2010-03-22 Richard Guenther <rguenther@suse.de>
3355 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3356 x * sqrt (x) even when optimizing for size if the target
3357 has native support for sqrt.
3359 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3361 * varasm.c (make_decl_rtl_for_debug): Also clear
3362 flag_mudflap for the duration of make_decl_rtl call.
3365 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3366 locs from preserved VALUEs.
3368 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3371 * pa.md (movmemsi): Set align to one if zero.
3372 (movmemdi): Likewise.
3374 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3377 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3378 with their corresponding prologue pushes.
3380 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3383 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3384 at the begining or end.
3385 (spu_expand_epilogue): Likewise.
3387 2010-03-20 Richard Guenther <rguenther@suse.de>
3389 PR rtl-optimization/43438
3390 * combine.c (make_extraction): Properly zero-/sign-extend an
3391 extraction of the low part of a CONST_INT. Also handle
3394 2010-03-19 Mike Stump <mikestump@comcast.net>
3396 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3397 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3398 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3400 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3403 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3406 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3408 PR rtl-optimization/42258
3409 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3410 use that may match DEF.
3413 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3414 the cost of loading the constant rather than assuming
3416 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3417 outer code is AND, do the same tests as the andsi3 expander and
3418 return COSTS_N_INSNS (1) if and is cheap.
3420 * optabs.c (avoid_expensive_constant): Fix formatting.
3422 2010-03-19 Michael Matz <matz@suse.de>
3425 * attribs.c (decl_attributes): When rebuilding a function pointer
3426 type use the same qualifiers as the original pointer type.
3428 2010-03-19 Martin Jambor <mjambor@suse.cz>
3430 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3431 and is_gimple_ip_invariant_address.
3433 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3436 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3438 * config/arm/arm.c (arm_override_options): Turn off
3439 flag_dwarf2_cfi_asm for AAPCS variants.
3441 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3444 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3445 Use PRE_MODIFY instead of PRE_DEC.
3446 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3447 (vfp_emit_fstmd): Likewise.
3449 2010-03-19 Michael Matz <matz@suse.de>
3452 * builtins.c (expand_builtin_interclass_mathfn,
3453 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3456 2010-03-19 Richard Guenther <rguenther@suse.de>
3458 PR tree-optimization/43415
3459 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3460 (phi_translate_1): ... this.
3461 (phi_translate): Move all caching here. Cache all NARY
3462 and REFERENCE translations.
3464 2010-03-19 David S. Miller <davem@davemloft.net>
3466 With help from Eric Botcazou.
3467 * config/sparc/sparc.c: Include dwarf2out.h.
3468 (emit_pic_helper): Delete.
3469 (pic_helper_symbol_name): Delete.
3470 (pic_helper_emitted_p): Delete.
3471 (pic_helper_needed): New.
3472 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3473 (get_pc_thunk_name): New.
3474 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3475 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3476 Set pic_helper_needed to true. Don't call emit_pic_helper.
3477 (sparc_expand_prologue): Update load_pic_register call.
3478 (sparc_output_mi_thunk): Likewise.
3479 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3480 thunk if possible. Output CFI information as needed.
3482 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3483 Jack Howarth <howarth@bromo.med.uc.edu>
3486 * config/i386/i386.h: Fix ABI on darwin x86-32.
3488 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3490 * tree.h: Declare make_decl_rtl_for_debug.
3491 * varasm.c (make_decl_rtl_for_debug): New.
3492 * dwarf2out.c (rtl_for_decl_location): Call it.
3493 * cfgexpand.c (expand_debug_expr): Call it.
3495 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3498 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3502 * var-tracking.c (vt_init_cfa_base): Do nothing if
3503 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3505 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3508 * var-tracking.c (canonicalize_vars_star): New.
3509 (dataflow_post_merge_adjust): Use it.
3511 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3514 * var-tracking.c (non_suitable_const): New function.
3515 (add_uses): For DEBUG_INSNs with constants, don't record any
3516 value, instead just the constant value itself.
3517 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3518 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3519 (emit_notes_in_bb): Likewise.
3520 (emit_note_insn_var_location): For onepart variables if
3521 cur_loc is a VOIDmode constant, use DECL_MODE.
3523 2010-03-18 Martin Jambor <mjambor@suse.cz>
3526 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3527 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3528 all non-clones. Moved call redirection...
3529 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3530 (cgraph_materialize_all_clones): Dispose of all
3531 combined_args_to_skip bitmaps.
3532 (verify_cgraph_node): Do not check for edges pointing to wrong
3533 nodes in inline clones.
3534 * tree-inline.c (copy_bb): Call
3535 cgraph_redirect_edge_call_stmt_to_callee.
3536 * ipa.c (cgraph_remove_unreachable_nodes): Call
3537 cgraph_node_remove_callees even when there are used clones.
3539 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3541 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3543 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3546 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3549 2010-03-18 Michael Matz <matz@suse.de>
3552 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3553 into sqrt(x) if we need to preserve signed zeros.
3555 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3556 Eric Botcazou <ebotcazou@adacore.com>
3558 PR rtl-optimization/43360
3559 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3560 note if we don't know its invariant status.
3562 2010-03-18 Michael Matz <matz@suse.de>
3564 PR tree-optimization/43402
3565 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3566 PHI chains of ssa names registered for update.
3568 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3571 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3572 non-offsettable and pre_modify update addressing.
3573 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3574 and "2" alternatives "#".
3575 (*movdd_softfloat32): Make all alternatives "#";
3576 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3577 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3578 (*movdf_softfloat32): Make all alternatives "#";
3579 (movdi): Use the new DIFD mode iterator to create a common splitter
3580 for movdi, movdf and movdd patterns.
3582 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3584 * common.opt (dumpdir): Remove redundant tab.
3586 2010-03-17 Martin Jambor <mjambor@suse.cz>
3588 PR tree-optimization/43347
3589 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3590 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3592 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3594 PR rtl-optimization/42216
3595 * regrename.c (create_new_chain): New function, broken out from...
3596 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3597 appending a use to an empty chain.
3598 (build_def_use): Remove previous changes that convert OP_INOUT to
3599 OP_OUT operands; instead detect the case where an OP_INOUT operand
3600 uses a previously untracked register and create an empty chain for it.
3602 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3604 * doc/extend.texi (Function Attributes): Rewrite unfinished
3605 sentence in ms_abi documentation.
3607 2010-03-17 Alan Modra <amodra@gmail.com>
3609 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3610 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3611 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3612 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3614 2010-03-16 Richard Henderson <rth@redhat.com>
3617 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3618 (lower_try_finally): Save and restore eh_seq around the expansion
3621 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3623 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3624 statements before splitting block.
3626 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3628 * doc/sourcebuild.texi (Testsuites): Fix markup.
3629 Use pathnames relative to gcc/testsuite.
3630 (Test Directives): Move description of how timeout is determined.
3631 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3632 (C Tests): Correct gcc.misc-tests directory.
3633 Framework tests now live in gcc.test-framework.
3635 2010-03-16 Richard Guenther <rguenther@suse.de>
3638 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3639 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3641 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3642 Alexandre Oliva <aoliva@redhat.com>
3644 PR tree-optimization/42917
3645 * lambda-code.c (remove_iv): Skip debug statements.
3646 (lambda_loopnest_to_gcc_loopnest): Likewise.
3647 (not_interesting_stmt): Debug statements are not interesting.
3649 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3653 * cselib.c (cselib_preserve_constants,
3654 cfa_base_preserved_val): New static variables.
3655 (preserve_only_constants): New function.
3656 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3657 clear its REG_VALUES. If cselib_preserve_constants, don't
3658 empty the whole hash table, but preserve there VALUEs with constants,
3659 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3660 (cselib_preserve_cfa_base_value): New function.
3661 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3662 (cselib_init): Change argument to int bitfield. Set
3663 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3665 (cselib_finish): Clear cselib_preserve_constants and
3666 cfa_base_preserved_val.
3667 * cselib.h (enum cselib_record_what): New enum.
3668 (cselib_init): Change argument to int.
3669 (cselib_preserve_cfa_base_value): New prototype.
3670 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3671 * dse.c (dse_step1): Likewise.
3672 * cfgcleanup.c (thread_jump): Likewise.
3673 * sched-deps.c (sched_analyze): Likewise.
3674 * gcse.c (local_cprop_pass): Likewise.
3675 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3676 If FN is non-NULL, call the callback always and whenever it returns
3677 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3678 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3679 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3680 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3681 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3682 * var-tracking.c: Include recog.h.
3683 (bb_stack_adjust_offset): Remove.
3684 (vt_stack_adjustments): Don't call it, instead just gather the
3685 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3686 (adjust_stack_reference): Remove.
3687 (compute_cfa_pointer): New function.
3688 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3689 (struct adjust_mem_data): New type.
3690 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3692 (get_address_mode): New function.
3693 (replace_expr_with_values): Use it.
3694 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3695 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3696 (adjust_sets): Remove.
3697 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3698 Use get_address_mode.
3699 (get_adjusted_src): Remove.
3700 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3701 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3702 (add_with_sets): Don't call adjust_sets.
3703 (fp_setter, vt_init_cfa_base): New functions.
3704 (vt_initialize): Change return type to bool. Move most of pool etc.
3705 initialization to the beginning of the function from end. Pass
3706 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3707 If !frame_pointer_needed, call vt_stack_adjustment before mos
3708 vector is filled, call vt_init_cfa_base if argp/framep has been
3709 eliminated to sp. If frame_pointer_needed and argp/framep has
3710 been eliminated to hard frame pointer, set
3711 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3712 encountering fp setter in the prologue. For MO_ADJUST, call
3713 log_op_type before pusing the op into mos vector, not afterwards.
3714 Call adjust_insn before cselib_process_insn/add_with_sets,
3715 call cancel_changes (0) afterwards.
3716 (variable_tracking_main_1): Adjust for vt_initialize calling
3717 vt_stack_adjustments and returning whether it succeeded or not.
3719 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3721 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3724 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3726 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3728 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3729 drap_reg has not been set.
3731 2010-03-15 Michael Matz <matz@suse.de>
3734 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3735 use it to expand block copies.
3736 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3737 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3738 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3740 2010-03-15 Richard Guenther <rguenther@suse.de>
3742 PR tree-optimization/43367
3743 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3746 2010-03-15 Richard Guenther <rguenther@suse.de>
3748 PR tree-optimization/43317
3749 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3751 2010-03-15 Martin Jambor <mjambor@suse.cz>
3753 PR tree-optimization/43141
3754 * tree-sra.c (create_abstract_origin): New function.
3755 (modify_function): Call create_abstract_origin.
3757 2010-03-15 Chris Demetriou <cgd@google.com>
3759 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3762 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3765 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3766 call insert_out_of_ssa_copy for default definitions.
3768 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3770 * graphite-clast-to-gimple.c (my_long_long): Defined.
3771 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3772 * graphite-sese-to-poly.c (my_long_long): Defined.
3773 (scop_ivs_can_be_represented): Use it.
3775 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3777 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3778 graphite-max-bbs-per-function, and loop-block-tile-size.
3779 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3781 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3783 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3785 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3786 forward declaration.
3787 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3788 (add_upper_bounds_from_estimated_nit): New.
3789 (build_loop_iteration_domains): Use it.
3791 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3793 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3795 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3798 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3799 should be an INTEGER_CST. Also handle CASE_CONVERT.
3801 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3803 * graphite.c (graphite_initialize): To bound the number of bbs per
3804 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3805 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3806 * doc/invoke.texi: Document it.
3808 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3810 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3811 * graphite-sese-to-poly.h (build_poly_scop): Same.
3813 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3815 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3816 the number of parameters in the scop. Use as an upper bound
3817 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3818 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3819 * doc/invoke.texi: Document it.
3821 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3823 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3824 * doc/c-tree.texi: Remove.
3825 * doc/generic.texi: Merge c-tree.texi here.
3826 * doc/gccint.texi (Trees): Remove menu entry.
3827 (c-tree.texi): Remove @include.
3828 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3829 * doc/languages.texi (Reading RTL): Ditto.
3831 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3834 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3836 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3839 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3840 code added to work around reload clobbering CONST insns.
3842 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3844 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3845 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3846 (cselib_preserve_only_values): Remove retain argument, don't
3847 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3848 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3849 * var-tracking.c (micro_operation): Move insn field before union.
3850 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3851 (struct variable_tracking_info_def): Remove n_mos field, change
3852 mos into a vector of micro_operations.
3853 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3854 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3855 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3856 changing into a vector.
3857 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3858 come before all other uops generated by add_stores.
3859 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3861 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3862 a vector. Run just one pass over the bbs instead of separate counting
3863 and computation phase.
3864 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3867 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3868 into *nonlocalized_list vector.
3869 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3870 even if origin is non-NULL.
3871 (gen_variable_die): Likewise.
3872 (process_scope_var): Don't change origin.
3873 (gen_decl_die): Likewise.
3874 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3875 before adding new edges instead of after it, fix moving over
3878 2010-03-11 David S. Miller <davem@davemloft.net>
3880 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3882 * configure: Rebuild.
3884 2010-03-11 Martin Jambor <mjambor@suse.cz>
3886 PR tree-optimization/43257
3887 * tree.c (assign_assembler_name_if_neeeded): New function.
3888 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3890 * tree.h (assign_assembler_name_if_neeeded): Declare.
3891 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3892 the function if needed.
3894 2010-03-11 Chris Demetriou <cgd@google.com>
3896 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3897 include/stdint-gcc.h, and include/stdint.h world-readable.
3899 2010-03-11 Richard Guenther <rguenther@suse.de>
3901 PR tree-optimization/43255
3902 * tree-vrp.c (process_assert_insertions_for): Do not insert
3903 asserts for trivial conditions.
3905 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3907 PR tree-optimization/43280
3908 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3909 generation. Move calculation of size out of the if branch.
3910 (find_bswap): Modify compare number generation.
3912 2010-03-11 Richard Guenther <rguenther@suse.de>
3915 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3916 (input_gimple_stmt): Fixup handled component types during
3917 operand read. Also fix up decls in ADDR_EXPRs.
3919 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3921 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3922 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3924 2010-03-10 Jan Hubicka <jh@suse.cz>
3927 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3928 * varasm.c (get_variable_section): Don't do that here...
3929 (make_decl_rtl): ... and here.
3930 (do_assemble_alias): Produce decl RTL.
3931 (assemble_alias): Likewise.
3933 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3936 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3937 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3939 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3940 (based_loc_descr): Only express drap or vdrap regno based expressions
3941 using DW_OP_fbreg when not optimizing.
3942 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3943 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3944 REG_CFA_SET_VDRAP note.
3946 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3948 PR tree-optimization/43236
3949 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3950 error in calculation of base address in reverse iteration case.
3951 (generate_builtin): Take number of latch executions if the statement
3954 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3957 * tree-eh.c: Include pointer-set.h.
3958 (lower_eh_dispatch): Filter out duplicate case labels and
3959 remove the unneeded edge when the label is unused. Return
3960 true when some edges are removed.
3961 (execute_lower_eh_dispatch): When any lowering resulted in
3962 removing an edge, also delete unreachable blocks.
3964 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3967 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3968 UNSPEC_MACHOPIC_OFFSET.
3970 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3973 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3974 (m68k_delegitimize_address): New function.
3976 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3979 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3982 * var-tracking.c (adjust_sets): New function.
3983 (count_with_sets, add_with_sets): Use it.
3984 (get_adjusted_src): New inline function.
3985 (add_stores): Use it.
3988 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3989 call cselib_dummy_expand_value_rtx_cb instead of
3990 cselib_expand_value_rtx_cb.
3993 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3994 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3995 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3996 and .cfi_endproc around the pic thunks.
3997 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3998 all queued unwind info register saves are saved before the call.
3999 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4000 considered as sp-=4 for unwind info and the pop as sp+=4 which
4001 also clobbers dest, but doesn't actually restore it.
4004 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4005 RTX_FRAME_RELATED_P.
4007 2010-03-09 Jie Zhang <jie@codesourcery.com>
4009 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4010 whitespaces in output template.
4012 2010-03-09 Jie Zhang <jie@codesourcery.com>
4014 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4017 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4019 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4020 builtins.exp in a separate job.
4022 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4024 * graphite-sese-to-poly.c (add_param_constraints): Use
4025 lower_bound_in_type and upper_bound_in_type.
4027 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4029 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4030 instead of unsigned_type_node.
4032 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4033 Reza Yazdani <reza.yazdani@amd.com>
4036 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4037 on pointer type parameters.
4039 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4043 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4044 handle conversions from pointer to integers.
4045 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4046 induction variable, to be able to work with code generated by CLooG.
4047 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4048 (build_poly_scop): Bail out if we cannot codegen a loop.
4050 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4052 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4053 code generation with gloog_error.
4055 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4057 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4058 Call fold_convert on all the returned values.
4059 (expand_scalar_variables_expr): Pass to
4060 expand_scalar_variables_ssa_name the type of the resulting expression.
4062 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4064 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4065 ppl_min_for_le_pointset.
4066 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4067 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4069 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4071 * graphite-dependences.c (map_into_dep_poly): Removed.
4072 (dependence_polyhedron_1): Use combine_context_id_scat.
4074 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4076 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4077 (struct poly_bb): Same.
4078 (combine_context_id_scat): New.
4080 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4083 * sese.c (name_defined_in_loop_p): Return false for default
4086 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4088 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4089 and clean up the logic.
4091 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4093 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4096 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4098 * var-tracking.c (remove_cselib_value_chains): Define only for
4100 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4101 delete_slot_part, emit_notes_for_differences_1): Don't call
4102 remove_cselib_value_chains here.
4103 (set_slot_part, emit_notes_for_differences_2): Don't call
4104 add_cselib_value_chains here.
4105 (preserved_values): New vector.
4106 (preserve_value): New function.
4107 (add_uses, add_stores, vt_add_function_parameters): Use it
4108 instead of cselib_preserve_value.
4109 (changed_values_stack): New vector.
4110 (check_changed_vars_0): New function.
4111 (check_changed_vars_1, check_changed_vars_2): Use it.
4112 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4113 changed_values_stack VALUEs.
4114 (vt_emit_notes): For all preserved_values call
4115 add_cselib_value_chains. If ENABLE_CHECKING call
4116 remove_cselib_value_chains before verifying value_chains is empty.
4117 Initialize and free changed_values_stack.
4118 (vt_initialize): Initialize preserved_values.
4119 (vt_finalize): Free preserved_values.
4121 2010-03-08 Richard Guenther <rguenther@suse.de>
4123 PR tree-optimization/43269
4124 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4127 2010-03-08 Martin Jambor <mjambor@suse.cz>
4129 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4130 (ipa_is_param_called): Removed.
4131 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4132 (ipa_print_node_params): Do not print the called flag.
4133 (ipa_write_node_info): Do not stream the called flag.
4134 (ipa_read_node_info): Likewise.
4136 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4139 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4140 * cselib.c (struct expand_value_data): Add dummy field.
4141 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4143 (cselib_dummy_expand_value_rtx_cb): New function.
4144 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4146 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4147 * var-tracking.c: Include pointer-set.h.
4148 (variable): Change n_var_parts to char from int. Add
4149 cur_loc_changed and in_changed_variables fields.
4150 (variable_canonicalize): Remove.
4151 (shared_var_p): New inline function.
4152 (unshare_variable): Maintain cur_loc_changed and
4153 in_changed_variables fields. If var was in changed_variables,
4154 replace it there with new_var. Just copy cur_loc instead of
4155 resetting it to something else.
4156 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4157 (dataflow_set_union): Don't call variable_canonicalize.
4158 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4159 of their DEBUG_EXPR_TREE_DECLs.
4160 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4161 and in_changed_variables and cur_loc_changed is false.
4162 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4163 and cur_loc_changed. Don't update cur_loc here.
4164 (variable_merge_over_src): Don't call variable_canonicalize.
4165 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4166 removing loc that is equal to cur_loc, clear cur_loc,
4167 set cur_loc_changed and ensure variable_was_changed is called.
4168 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4169 compare pointers in cur_loc check, if it is equal to loc,
4170 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4171 (variable_different_p): Remove compare_current_location argument,
4172 don't compare cur_loc.
4173 (dataflow_set_different_1): Adjust variable_different_p caller.
4174 (variable_was_changed): If dv had some var in changed_variables
4175 already, reset in_changed_variables flag for it and propagate
4176 cur_loc_changed over to the new variable. On empty var
4177 always set cur_loc_changed. Set in_changed_variables on whatever
4178 var is added to changed_variables.
4179 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4180 Use shared_var_p. When removing loc that is equal to cur_loc,
4181 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4182 end, don't set it to something else, just call variable_was_changed.
4183 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4184 loc being removed, clear cur_loc and set cur_loc_changed.
4185 Set cur_loc_changed if all locations have been removed.
4186 (struct expand_loc_callback_data): New type.
4187 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4188 allocated. Always create SUBREGs if simplify_subreg failed.
4189 Prefer to use cur_loc, when that fails and still in
4190 changed_variables (and seen first time) recompute it. Set
4191 cur_loc_changed of variables which had to change cur_loc and
4192 compute elcd->cur_loc_changed if any of the subexpressions used
4193 had to change cur_loc.
4194 (vt_expand_loc): Adjust to pass arguments in
4195 expand_loc_callback_data structure.
4196 (vt_expand_loc_dummy): New function.
4197 (emitted_notes): New variable.
4198 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4199 that weren't used for any other decl in current
4200 emit_notes_for_changes call call vt_expand_loc_dummy to update
4201 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4202 first loc_chain location if NULL before. Always use just
4203 cur_loc instead of first loc_chain location. When cur_loc_changed
4204 is false, when not --enable-checking=rtl just don't emit any note.
4205 When rtl checking, compute the note and assert it is the same
4206 as previous note. Clear cur_loc_changed and in_changed_variables
4207 at the end before removing from changed_variables.
4208 (check_changed_vars_3): New function.
4209 (emit_notes_for_changes): Traverse changed_vars to call
4210 check_changed_vars_3 on each changed var.
4211 (emit_notes_for_differences_1): Clear cur_loc_changed and
4212 in_changed_variables. Recompute cur_loc of new_var.
4213 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4214 (vt_emit_notes): Initialize and destroy emitted_notes.
4216 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4218 PR rtl-optimization/42220
4219 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4220 Use verify_reg_tracked to determine if we should use OP_OUT rather
4222 (build_def_use): If we see an in-out operand for a register that we
4223 know nothing about, treat is an output if possible, fail the block if
4226 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4229 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4232 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4235 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4236 uses of relevant DEFs that are dead outside the loop too.
4238 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4240 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4242 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4244 * var-tracking.c (values_to_unmark): New variable.
4245 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4246 values_to_unmark vector. Moved body to...
4247 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4248 instead queue it into values_to_unmark vector.
4249 (vt_find_locations): Free values_to_unmark vector.
4251 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4253 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4254 (site.exp): Export them when plugins are enabled.
4256 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4259 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4261 (chrec_fold_multiply): Same.
4263 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4266 * c-decl.c (build_compound_literal): Return early if init is
4269 2010-03-04 Martin Jambor <mjambor@suse.cz>
4271 PR tree-optimization/43164
4272 PR tree-optimization/43191
4273 * tree-sra.c (type_consists_of_records_p): Reject records with
4274 zero-size bit-fields at the end.
4276 2010-03-04 Mike Stump <mikestump@comcast.net>
4278 * Makefile.in (TAGS): Remove *.y.
4280 2010-03-04 Richard Guenther <rguenther@suse.de>
4282 PR tree-optimization/40761
4283 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4285 (my_rev_post_order_compute): New function.
4286 (init_pre): Call it.
4288 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4291 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4292 decrease the cost of an IV candidate when the cost is infinite.
4294 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4296 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4297 Use '3DNow!' for the extension of that name, ensure normal space
4299 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4301 2010-03-03 Jeff Law <law@redhat.com>
4303 * PR middle-end/32693
4304 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4305 than gen_rtx_SUBREG.
4306 (extract_bit_field_1): Likewise.
4308 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4310 * doc/sourcebuild.texi (Test directives): Document that arguments
4311 include-opts and exclude-opts are now optional for dg-skip-if,
4312 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4314 2010-03-03 Jason Merrill <jason@redhat.com>
4317 * cgraph.h (varpool_node): Add extra_name field.
4318 * varpool.c (varpool_extra_name_alias): New.
4319 (varpool_assemble_decl): Emit extra name aliases.
4320 (varpool_mark_needed_node): Look past an extra name alias.
4321 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4322 * lto-streamer-in.c (lto_input_tree): Read it.
4323 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4325 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4327 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4328 (sparc*-*-solaris2*): ...this.
4330 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4333 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4334 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4335 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4336 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4339 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4340 fallthrough to default handling, just with want_address 0 instead of 2.
4341 For single element lists, add_AT_loc directly, otherwise create an
4342 artificial variable DIE and stick location list to it.
4345 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4346 (VAL_EXPR_HAS_REVERSE): Define.
4347 (reverse_op): New function.
4348 (add_stores): For reversible operations add an extra MO_VAL_USE.
4350 2010-03-02 Jason Merrill <jason@redhat.com>
4352 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4354 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4356 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4357 (sparc64-*-linux*): Likewise.
4358 (sparc64-*-solaris2*): Include assembler files before linker ones.
4359 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4360 * config/sparc/gas.h: Delete.
4361 * config/sparc/sol2-64.h: Add copyright notice.
4362 * config/sparc/sol2-gas-bi.h: Likewise.
4363 * config/sparc/sol2-gld.h: Likewise.
4364 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4365 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4366 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4367 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4368 (sparc_elf_asm_named_section): Rename into...
4369 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4371 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4373 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4375 2010-03-02 Jeff Law <law@redhat.com>
4378 * reload1.c (rtx_p, substitute_stack): Declare.
4379 (substitute): Record addresses of changed rtxs.
4380 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4381 Restore the original rtx when complete.
4382 (reload): Free subsitute_stack when complete.
4384 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4386 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4387 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4389 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4390 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4391 Torture Tests): Change from subsection to section.
4393 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4394 Steven Bosscher <steven@gcc.gnu.org>
4396 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4399 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4402 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4403 the assignment from the new induction variable to the assignment
4404 of the value from the original loop PHI function.
4406 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4407 Daniel Jacobowitz <dan@codesourcery.com>
4409 * doc/sourcebuild.texi (Test directives): Clarify options to
4412 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4414 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4415 Disable cfi directives unless GCC and gas agree on using read-only
4416 .eh_frame sections for 64-bit.
4417 * configure: Regenerate.
4419 2010-03-01 Richard Guenther <rguenther@suse.de>
4421 PR tree-optimization/43220
4422 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4423 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4425 2010-03-01 Richard Guenther <rguenther@suse.de>
4426 Martin Jambor <mjambor@suse.cz>
4429 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4430 gimplified parameters.
4432 2010-03-01 Christian Bruel <christian.bruel@st.com>
4434 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4436 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4438 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4440 2010-03-01 Richard Guenther <rguenther@suse.de>
4443 * expr.c (expand_assignment): Use the alias-oracle to tell
4444 if the rhs aliases the result decl.
4446 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4449 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4450 to sol_gt_pch_get_address.
4451 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4452 64-bit, SPARC and x86.
4453 (sol_gt_pch_get_address): New function.
4455 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4457 * toplev.h (inform_n, error_n): Declare.
4458 * diagnostic.c (inform_n, error_n): New function.
4460 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4462 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4463 has no rtl yet when processing local_decls, queue it and recheck
4464 if deferred stack allocation hasn't assigned it rtl.
4466 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4468 * config/sh/sh.c (unspec_bbr_uid): New.
4469 (gen_block_redirect): Use it instead of INSN_UID.
4470 (gen_far_branch): Likewise.
4472 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4474 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4475 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4477 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4479 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4480 (Warning Options): -Wno-conversion-null is valid for
4481 Objective-C++ as well.
4482 * doc/tm.texi (Named Address Spaces): Likewise.
4483 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4484 * doc/tree-ssa.texi (Tree SSA): Likewise.
4486 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4489 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4490 by default. Don't set the default arch for
4491 i[34567]86-*-darwin*|x86_64-*-darwin*.
4493 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4496 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4497 default. Set the default 32bit/64bit archs with $with_arch
4498 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4500 2010-02-27 Richard Guenther <rguenther@suse.de>
4502 PR tree-optimization/43186
4503 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4504 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4505 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4506 unroller iterations.
4508 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4510 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4511 required and i[34567]86-*-* targets don't support 64bit ISA.
4513 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4516 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4519 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4521 * config.gcc: Set the default arch at least to Prescott for
4522 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4523 if SSE math is enabled.
4525 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4527 * diagnostic.c (diagnostic_initialize): Update.
4528 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4530 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4531 (diagnostic_inhibit_notes): New.
4532 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4534 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4537 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4538 * doc/standards.texi: Likewise.
4539 * doc/extend.texi: Likewise.
4540 * doc/trouble.texi: Likewise.
4541 * doc/cppopts.texi: Likewise.
4542 * doc/install.texi: Likewise.
4543 * c.opt (std=c90,std=gnu90): New options.
4544 * c-opts.c (c_common_handle_option): Handle them.
4546 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4549 * c-decl.c (undeclared_variable): Use an informative note.
4551 2010-02-26 Richard Guenther <rguenther@suse.de>
4553 PR tree-optimization/43186
4554 * gimple.h (gimple_fold): Remove.
4555 * gimple.c (gimple_fold): Remove. Inline into single user ...
4556 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4557 Try harder for conditions.
4559 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4562 * function.c (used_types_insert): Don't skip through named pointer
4563 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4564 and it is different from the main variant's type.
4566 2010-02-26 Nick Clifton <nickc@redhat.com>
4568 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4570 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4572 * config.gcc: Support --with-fpmath=sse for x86.
4574 * config/i386/ssemath.h: New.
4576 * doc/install.texi (--with-fpmath=sse): Documented.
4578 2010-02-26 Richard Guenther <rguenther@suse.de>
4580 PR tree-optimization/43188
4581 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4582 vector types of over-aligned element type.
4584 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4587 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4588 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4590 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4592 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4594 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4596 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4597 * var-tracking.c: Include diagnostic.h.
4598 (debug_dv): New function.
4599 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4602 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4603 (add_value_chain, add_value_chains, remove_value_chain,
4604 remove_value_chains): Handle DEBUG_EXPRs.
4605 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4608 * regcprop.c (struct queued_debug_insn_change): New type.
4609 (struct value_data_entry): Add debug_insn_changes field.
4610 (struct value_data): Add n_debug_insn_changes field.
4611 (debug_insn_changes_pool): New variable.
4612 (free_debug_insn_changes, apply_debug_insn_changes,
4613 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4614 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4615 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4617 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4619 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4620 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4621 changes, call cprop_find_used_regs via note_stores.
4622 (copyprop_hardreg_forward): When copying vd from predecessor
4623 which has any queued DEBUG_INSN changes, make sure the pointers are
4624 cleared. At the end call df_analyze and then if there are any
4625 DEBUG_INSN changes queued at the end of some basic block for still
4626 live registers, apply them.
4627 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4629 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4631 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4634 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4636 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4637 targets. Set the default with_cpu/with_arch from arch/cpu.
4638 Allow x86-64 and native for with_cpu/with_arch.
4640 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4642 * ebitmap.c: Change calls to verify_popcount with calls to
4643 sbitmap_verify_popcount.
4644 (ebitmap_clear_bit): Fixed map->cacheindex test and
4645 map>cache update when bit clearing results in an empty
4648 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4651 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4652 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4653 and support both V2DF and V2DI modes.
4654 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4655 support both V2DF and V2DI modes.
4656 (general): Delete trailing whitespace from a few patterns.
4658 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4659 V2DF/V2DI interleave high/low builtins.
4661 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4664 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4665 interleave high/low functions.
4667 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4669 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4670 #pragma extern_prefix.
4672 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4675 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4676 BLKmode, assert op0 is a MEM and just adjust its mode.
4679 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4680 if bitpos isn't multiple of mode's bitsize.
4682 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4684 * c.opt (-ftemplate-depth=): New.
4685 (-ftemplate-depth-): Deprecate.
4686 * optc-gen.awk: Handle -ftemplate-depth=.
4687 * opth-gen.awk: Likewise.
4688 * c-opts.c (c_common_handle_option): Likewise.
4689 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4691 2010-02-24 Jason Merrill <jason@redhat.com>
4693 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4695 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4697 * cfg.c (alloc_aux_for_block): Remove inline.
4698 (alloc_aux_for_edge): Likewise.
4700 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4702 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4704 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4706 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4707 * config/i386/sol2-gas.h: New file.
4708 * config.gcc (i[34567]86-*-solaris2*): Use it.
4710 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4713 * c-typeck.c (ep_convert_and_check): New.
4714 (build_conditional_expr): Use it.
4715 (build_binary_op): Likewise.
4717 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4719 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4722 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4723 bounds even for -O+.
4724 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4725 expr needs to have DECL_NAME set.
4727 2010-02-24 Nick Clifton <nickc@redhat.com>
4729 * config/mep/mep.c: Include gimple.h.
4730 (mep_function_uses_sp): Delete unused function.
4731 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4732 parameters. Use unsigned integers to count args. Return a
4733 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4735 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4738 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4739 greater or equal to nelt instead of 2 * nelt.
4740 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4743 2010-02-23 Jason Merrill <jason@redhat.com>
4746 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4747 in cfun->local_decls even if they have register types.
4750 * stor-layout.c (place_field): Don't warn about unnecessary
4751 DECL_PACKED if the type is packed.
4753 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4756 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4757 GOTOFF relocs, even when the base reg isn't pic pointer.
4759 2010-02-23 Michael Matz <matz@suse.de>
4762 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4763 (expand_gimple_basic_block): Generate and use debug temps if there
4764 are debug uses left after the last real use of TERed ssa names.
4765 Unlink debug immediate uses when they are expanded.
4767 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4770 * config/i386/i386.c (override_options): Reorganise to provide
4771 better error messages.
4773 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4776 * graphite-scop-detection.c (create_single_exit_edge): Move
4777 the call to find_single_exit_edge to....
4778 (create_sese_edges): ...here. Don't handle multiple edges
4779 exiting the function.
4780 (build_graphite_scops): Don't handle multiple edges
4781 exiting the function.
4783 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4786 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4787 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4789 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4792 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4794 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4797 * c-typeck.c (convert_arguments): Print declaration location.
4798 * c-common.c (validate_nargs): Rename as
4799 builtin_function_validate_nargs.
4800 (check_builtin_function_arguments): Update.
4802 2010-02-22 Richard Guenther <rguenther@suse.de>
4805 * tree-inline.c (declare_return_variable): Use the type of
4806 the call stmt lhs if available.
4808 2010-02-22 Duncan Sands <baldrick@free.fr>
4810 * passes.c (register_pass): Always consider all pass lists when
4811 ref_pass_instance_number is zero.
4813 2010-02-22 Richard Guenther <rguenther@suse.de>
4815 PR tree-optimization/42749
4816 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4817 parameter. Do arithmetic in the original type.
4818 (update_accumulator_with_ops): Likewise.
4819 (adjust_accumulator_values): Adjust.
4821 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4823 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4824 (QI to BLKmode splitter): New splitter.
4826 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4828 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4829 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4831 2010-02-22 Richard Guenther <rguenther@suse.de>
4833 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4835 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4837 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4838 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4839 ($(T)crti.o, $(T)crtn.o): Remove rules.
4841 2010-02-21 Tobias Burnus <burnus@net-b.de>
4844 * doc/invoke.texi (-fassociative-math): Document that this
4845 option is automatically enabled for Fortran.
4847 2010-02-20 David S. Miller <davem@davemloft.net>
4849 * configure.ac: Test if linker and assembler properly support
4850 GOTDATA_OP relocations.
4851 * configure: Rebuild.
4852 * config.in: Likewise.
4853 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4854 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4855 (movsi_high_pic): Likewise.
4856 (movdi_lo_sum_pic): Likewise.
4857 (movdi_high_pic): Likewise.
4858 (movsi_pic_gotdata_op): New pattern.
4859 (movdi_pic_gotdata_op): Likewise.
4860 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4861 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4863 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4866 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4867 attribute to ssemul.
4868 (xop_mulv2div2di3_high): Ditto.
4870 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4873 * c.opt (Wconversion-null): New option.
4874 * doc/invoke.texi (Wconversion-null): Document.
4876 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4878 * common.opt (Wlarger-than-): Add Undocumented.
4880 2010-02-19 Mike Stump <mikestump@comcast.net>
4882 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4884 2010-02-19 Jason Merrill <jason@redhat.com>
4887 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4888 * configure: Likewise.
4890 2010-02-20 Alan Modra <amodra@gmail.com>
4893 * cgraph.h (cgraph_make_decl_local): Declare.
4894 * cgraph.c (cgraph_make_decl_local): New function.
4895 (cgraph_make_node_local): Use it.
4896 * cgraphunit.c (cgraph_function_versioning): Likewise.
4897 * ipa.c (function_and_variable_visibility): Likewise.
4899 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4902 * except.c (sjlj_emit_function_enter): Don't call
4903 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4905 * rtl.h (add_reg_br_prob_note): Remove prototype.
4907 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4910 * c-common.c (conversion_warning): Remove widening conversions
4911 before checking the conversion of integers to reals.
4913 2010-02-19 Mike Stump <mikestump@comcast.net>
4916 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4919 * cgraphunit.c (process_function_and_variable_attributes): Check
4920 DECL_PRESERVE_P instead of looking up attribute "used".
4921 * ipa-pure-const.c (check_decl): Likewise.
4922 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4923 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4924 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4925 instead of attribute "used".
4926 * config/sol2-c.c (solaris_pragma_init): Likewise.
4927 (solaris_pragma_fini): Likewise.
4929 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4931 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4932 Use XCNEW instead of xcalloc.
4933 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4934 XNEW instead of xmalloc.
4935 (get_fields): Use XNEWVEC instead of xmalloc.
4938 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4939 populate vars array.
4940 (create_new_general_access): For debug stmts just reset value.
4941 (get_stmt_accesses): For accesses within debug stmts just record them
4942 using add_access_to_acc_sites instead of preventing the peeling or
4943 counting them as accesses.
4946 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4948 2010-02-19 Richard Guenther <rguenther@suse.de>
4950 PR tree-optimization/42916
4951 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4954 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4956 * configure.ac: Replace all uses of changequote in macro arguments
4957 with proper quoting.
4959 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4962 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4964 2010-02-19 Richard Guenther <rguenther@suse.de>
4966 PR tree-optimization/42944
4967 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4968 test for aliasing with errno.
4970 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4973 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4974 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4975 * dojump.c: Include output.h.
4976 (inv): New inline function.
4977 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4978 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4979 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4980 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4981 argument, pass it down to other calls.
4982 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4983 add REG_BR_PROB note to the conditional jump.
4984 * cfgexpand.c (add_reg_br_prob_note): Removed.
4985 (expand_gimple_cond): Don't call it, add the probability
4986 as last argument to jumpif_1/jumpifnot_1.
4987 * Makefile.in (dojump.o): Depend on output.h.
4988 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4990 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4991 * stmt.c (do_jump_if_equal): Likewise.
4992 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4993 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4994 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4996 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4997 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4998 jumpifnot_1 callers.
4999 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5001 (store_expr): Adjust jumpifnot caller.
5002 (store_constructor): Adjust jumpif caller.
5005 * gimplify.c (gimple_boolify): For __builtin_expect call
5006 gimple_boolify also on its first argument.
5008 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5010 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5012 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5013 * configure: Regenerated.
5015 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5017 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5018 lang_hooks.types_compatible_p instead of comptypes.
5020 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5022 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5023 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5024 if __prefer_thumb__ is defined.
5026 2010-02-18 Martin Jambor <mjambor@suse.cz>
5028 PR tree-optimization/43066
5029 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5030 array with zero-sized element type.
5032 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5034 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5035 rtx, allocate struct var_loc_node here and return it to the
5036 caller, and only if it is actually needed.
5037 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5038 move it earlier and return immediately if it returns NULL.
5040 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5042 * config/sparc/gas.h: New file. Restore
5043 TARGET_ASM_NAMED_SECTION to its ELF default.
5044 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5046 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5047 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5048 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5049 after sparc/sysv4.h.
5051 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5053 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5055 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5057 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5058 patterns from predicated pattern.
5060 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5063 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5064 for insn mnemonic suffix.
5066 2010-02-17 Richard Guenther <rguenther@suse.de>
5068 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5071 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5074 * caller-save.c (save_call_clobbered_regs): If BB ends with
5075 a DEBUG_INSN, move any notes in between last real insn and the last
5076 DEBUG_INSN after the last DEBUG_INSN.
5078 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5080 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5081 Fix return type. Fix argument type. Explain meaning of return value.
5083 2010-02-16 Richard Guenther <rguenther@suse.de>
5085 PR tree-optimization/41043
5086 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5087 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5089 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5091 2010-02-16 Ira Rosen <irar@il.ibm.com>
5093 PR tree-optimization/43074
5094 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5095 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5096 vectorizable cycles in hybrid SLP check.
5097 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5099 2010-02-16 Richard Guenther <rguenther@suse.de>
5101 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5102 (true_dependence): If memrefs_conflict_p computes must-alias
5103 trust it. Move TBAA check after offset-based disambiguation.
5104 (canon_true_dependence): Likewise.
5106 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5108 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5109 * doc/invoke.texi: Document it.
5110 * var-tracking.c: Include toplev.h and params.h.
5111 (vt_find_locations): Return bool indicating success. Compute
5112 hash sizes unconditionally. Check new parameter, report.
5113 (variable_tracking_main_1): Check vt_find_locations results and
5114 retry. Renamed from...
5115 (variable_tracking_main): ... this. New wrapper to preserve
5116 flag_var_tracking_assignments.
5117 * Makefile.in (var-tracking.o): Adjust dependencies.
5119 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5120 Jakub Jelinek <jakub@redhat.com>
5123 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5124 if weak_import attribute is present.
5125 * config/darwin.c (machopic_select_section): Likewise.
5127 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5129 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5130 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5131 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5132 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5134 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5137 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5140 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5141 Rewrite text to refer to the names.
5143 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5145 * config/i386/i386-builtin-types.def
5146 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5147 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5148 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5149 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5150 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5151 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5152 IX86_BUILTIN_VPERMIL2PS256.
5153 (MULTI_ARG_4_DF2_DI_I): Defined.
5154 (MULTI_ARG_4_DF2_DI_I1): Defined.
5155 (MULTI_ARG_4_SF2_SI_I): Defined.
5156 (MULTI_ARG_4_SF2_SI_I1): Defined.
5157 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5158 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5159 __builtin_ia32_vpermil2ps256.
5160 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5161 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5162 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5163 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5164 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5165 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5166 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5167 CODE_FOR_xop_vpermil2v8sf3.
5168 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5169 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5170 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5171 (_mm256_permute2_pd): New.
5172 (_mm_permute2_ps): New.
5173 (_mm256_permute2_ps): New.
5175 2010-02-15 Nick Clifton <nickc@redhat.com>
5177 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5178 boolean parameters. Use emit_jump_insn when emitting a pop
5179 instruction containing a return insn.
5180 (push): Use 'true' rather than '1' as second parameter to F.
5181 (h8300_expand_prologue): Likewise.
5182 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5183 (h8300_expand_epilogue): Likewise.
5185 2010-02-15 Richard Guenther <rguenther@suse.de>
5188 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5191 2010-02-15 Nick Clifton <nickc@redhat.com>
5193 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5196 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5198 * intl.c (fake_ngettext): New function.
5199 * intl.h (fake_ngettext): Declare.
5200 (ngettext): Define macro.
5201 * collect2.c (notice_translated): New function.
5202 (main): Use notice_translated and ngettext.
5203 * collect2.h (notice_translated): Declare.
5205 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5207 * reorg.c (delete_computation): Comment fixes.
5208 * caller-save.c (setup_save_areas): Idem.
5209 * sel-sched-dump.c (dump_lv_set): Idem.
5212 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5214 * config/s390/s390.c (s390_sched_init): New function.
5215 (TARGET_SCHED_INIT): Target hook defined.
5217 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5218 Jack Howarth <howarth@bromo.med.uc.edu>
5219 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5222 Partial revert of unintended change in fix for PR41605.
5223 * config/darwin.h: Fix typo.
5224 * config/darwin9.h: Same.
5226 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5228 * c-pch.c (pch_init): Clear v.
5230 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5233 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5234 graphite_can_represent_init for MULT_EXPR.
5236 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5240 * graphite-sese-to-poly.c (remove_phi): New.
5241 (translate_scalar_reduction_to_array): Call remove_phi.
5243 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5246 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5247 * graphite-clast-to-gimple.h (gloog): Update declaration.
5248 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5249 * graphite-poly.h (struct poly_bb): Add missing comments.
5250 (struct scop): Add poly_scop_p field.
5252 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5253 * graphite.c (graphite_transform_loops): Build the polyhedral
5254 representation for each scop before code generation.
5255 * sese.c (rename_variables_in_operand): Removed.
5256 (rename_variables_in_expr): Return the renamed expression.
5257 (rename_sese_parameters): New.
5258 * sese.h (rename_sese_parameters): Declared.
5260 2010-02-11 Richard Guenther <rguenther@suse.de>
5262 PR tree-optimization/42998
5263 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5264 POINTER_PLUS_EXPR properly.
5266 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5267 Changpeng Fang <changpeng.fang@amd.com>
5270 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5271 the cost of an IV candidate when the IV is used in a test against zero.
5273 * gcc.dg/tree-ssa/ivopts-3.c: New.
5275 2010-02-11 Richard Guenther <rguenther@suse.de>
5278 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5279 pointer-vs-decl case by swapping refs. Handle some cases
5280 of pointer-vs-decl disambiguations more conservatively.
5281 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5282 to false after expanding.
5284 2010-02-11 Richard Guenther <rguenther@suse.de>
5287 * gcc.c (process_command): Handle LTO file@offset case more
5290 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5292 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5293 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5295 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5297 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5298 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5299 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5300 Optimize eq/ne comparisons when both arguments are known to be
5302 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5303 Don't mask operands unnecessarily if they are known to be already
5306 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5308 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5311 2010-02-10 Richard Guenther <rguenther@suse.de>
5313 PR tree-optimization/43017
5314 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5315 for wrapping signed arithmetic.
5317 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5320 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5321 if no debug info should be emitted for it.
5323 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5325 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5326 note when flag_exceptions is set.
5328 2010-02-10 Duncan Sands <baldrick@free.fr>
5330 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5332 2010-02-10 Richard Guenther <rguenther@suse.de>
5335 * tree.c (get_unwidened): Handle constants.
5336 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5338 2010-02-10 Martin Jambor <mjambor@suse.cz>
5341 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5342 check for variable argument counts independently.
5344 2010-02-10 Christian Bruel <christian.bruel@st.com>
5347 * config/sh/sh.c (find_barrier): Increase length for non delayed
5348 conditional branches.
5350 2010-02-10 Christian Bruel <christian.bruel@st.com>
5352 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5354 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5356 * builtins.c (set_builtin_user_assembler_name): Also handle
5357 ffs if int is smaller than word.
5359 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5362 * ira-conflicts.c (get_dup): Remove.
5363 (process_reg_shuffles): Add new parameter. Use it as an
5364 additional guard for copy generation.
5365 (add_insn_allocno_copies): Rewrite.
5367 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5369 * common.opt (fsched2-use-traces): Preserved for backward
5371 * doc/invoke.texi: Remove the documentation about option
5372 -fsched2-use-traces.
5373 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5374 flag_sched2_use_traces.
5375 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5376 the backward compatibility flag section.
5378 2010-02-09 Richard Guenther <rguenther@suse.de>
5380 PR tree-optimization/43008
5381 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5382 make HEAP variables initialized from global memory if they
5383 are not known builtin functions.
5384 (find_func_aliases): Adjust.
5386 2010-02-09 Richard Guenther <rguenther@suse.de>
5388 PR tree-optimization/43000
5389 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5390 arithmetic manually.
5392 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5394 PR tree-optimization/42931
5395 * tree-loop-linear.c (try_interchange_loops): Don't call
5396 double_int_mul if estimated_loop_iterations failed.
5398 2010-02-08 Martin Jambor <mjambor@suse.cz>
5401 * tree-sra.c (build_accesses_from_assign): Do not mark in
5402 should_scalarize_away_bitmap if stmt has volatile ops.
5403 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5406 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5408 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5410 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5412 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5415 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5418 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5420 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5423 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5424 to unknown_dependence.
5425 (graphite_legal_transform_dr): Handle the unknown_dependence.
5426 (graphite_carried_dependence_level_k): Same.
5428 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5430 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5432 2010-02-07 Richard Guenther <rguenther@suse.de>
5435 * expr.c (get_inner_reference): Always initialize *pbitsize.
5437 2010-02-07 Richard Guenther <rguenther@suse.de>
5440 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5441 new ARRAY_REFs on variable size element or minimal index arrays.
5443 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5444 gimple_fold_indirect_ref.
5446 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5449 * arm.c (arm_override_options): Just return if the user has specified
5450 an invalid fpu name.
5452 2010-02-03 Jason Merrill <jason@redhat.com>
5455 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5456 i386_pe_maybe_record_exported_symbol.
5458 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5461 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5462 (pa_delegitimize_address): New function.
5464 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5466 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5467 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5469 2010-02-05 Richard Guenther <rguenther@suse.de>
5472 * lto-streamer-in.c (get_resolution): Deal with references
5473 to undefined functions.
5475 2010-02-05 Richard Guenther <rguenther@suse.de>
5477 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5478 (fold_const_aggregate_ref): Likewise.
5479 (ccp_fold_stmt): Substitute loads.
5480 (maybe_fold_reference): Verify types before substituting.
5482 (fold_gimple_assign): Unshare properly.
5483 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5485 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5487 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5488 for rs6000_gen_cell_microcode.
5490 2010-02-04 Richard Guenther <rguenther@suse.de>
5492 PR rtl-optimization/42952
5493 * dse.c (const_or_frame_p): Remove MEM handling.
5495 2010-02-04 Nick Clifton <nickc@redhat.com>
5497 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5498 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5499 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5500 (mn10300_asm_output_mi_thunk): New function.
5501 (mn10300_can_output_mu_thunk): New function.
5502 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5503 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5504 (FUNCTION_ARG): Delete incorrect comment.
5506 2010-02-03 Jason Merrill <jason@redhat.com>
5509 * fold-const.c (operand_equal_p): Handle erroneous types.
5511 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5513 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5515 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5517 PR rtl-optimization/42941
5518 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5521 2010-02-03 Jason Merrill <jason@redhat.com>
5524 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5526 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5529 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5530 (cselib_reset_table): Renamed from...
5531 (cselib_reset_table_with_next_value): ... this.
5532 (cselib_get_next_uid): Renamed from...
5533 (cselib_get_next_unknown_value): ... this.
5534 * cselib.c (next_uid): Renamed from...
5535 (next_unknown_value): ... this.
5536 (cselib_clear_table): Adjust.
5537 (cselib_reset_table): Adjust. Renamed from...
5538 (cselib_reset_table_with_next_value): ... this.
5539 (cselib_get_next_uid): Adjust. Renamed from...
5540 (cselib_get_next_unknown_value): ... this.
5541 (get_value_hash): Use hash.
5542 (cselib_hash_rtx): Likewise.
5543 (new_cselib_val): Adjust. Set and dump uid.
5544 (cselib_lookup_mem): Pass next_uid as hash.
5545 (cselib_subst_to_values): Likewise.
5546 (cselib_log_lookup): Dump uid.
5547 (cselib_lookup): Pass next_uid as hash. Adjust.
5548 (cselib_process_insn): Adjust.
5549 (cselib_init): Initialize next_uid.
5550 (cselib_finish): Adjust.
5551 (dump_cselib_table): Likewise.
5552 * dse.c (canon_address): Dump value uid.
5553 * print-rtl.c (print_rtx): Print value uid.
5554 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5556 (dv_uid): New function, sort of renamed from...
5557 (dv_htab_hash): ... this, reimplemented in terms of it and...
5558 (dv_uid2hash): ... this. New.
5559 (variable_htab_eq): Drop excess assertions.
5560 (tie_break_pointers): Removed.
5561 (canon_value_cmp): Compare uids.
5562 (variable_post_merge_New_vals): Print uids.
5563 (vt_add_function_parameters): Adjust.
5564 (vt_initialize): Reset table. Adjust.
5566 2010-02-03 Richard Guenther <rguenther@suse.de>
5568 PR tree-optimization/42944
5569 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5570 (call_may_clobber_ref_p_1): Likewise. Properly handle
5571 malloc and calloc clobbering errno.
5573 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5575 * doc/invoke.texi: Fix name of sched1 dump.
5577 * opts.c (decode_options): Set flag_tree_switch_conversion
5578 only conditionally on optimize >= 2.
5580 * gcse.c: Assorted comment fixes in pass description.
5582 2010-02-03 Anthony Green <green@moxielogic.com>
5584 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5585 nop padding in order to maintain alignment of storage location of
5586 target function address.
5587 (moxie_trampoline_init): Store target function address at newly
5589 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5591 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5593 2010-02-03 Richard Guenther <rguenther@suse.de>
5596 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5598 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5600 * config.gcc: Reenable check for obsolete targets.
5601 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5602 mips-sgi-irix6.[0-4]*.
5604 2010-02-02 Nick Clifton <nickc@redhat.com>
5606 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5607 constant size of 4 as being the same as 0.
5608 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5609 can take values in the range 0..4.
5611 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5614 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5615 as _darwin10_Unwind_FindEnclosingFunction().
5616 * libgcc-libsystem.ver: New.
5618 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5621 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5622 implicitly set registers.
5624 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5626 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5627 (arm_override_options): Allow automatic selection of the thread
5628 pointer register if thumb2.
5629 (legitimize_pic_address): Improve code sequences for Thumb2.
5630 (arm_call_tls_get_addr): Likewise.
5631 (legitimize_tls_address): Likewise.
5632 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5633 (pic_load_addr_32bit): ... this. New named pattern.
5634 * thumb2.md (pic_load_addr_thumb2): Delete.
5635 (pic_load_dot_plus_four): Delete.
5636 (tls_load_dot_plus_four): New named pattern.
5638 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5641 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5642 Document fix for TLS bug.
5644 2010-01-31 Richard Guenther <rguenther@suse.de>
5646 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5647 conservatively correct.
5649 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5653 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5655 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5657 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5659 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5661 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5663 * config.gcc: Adjust order of makefile fragments for mingw targets.
5665 2010-01-31 Richard Guenther <rguenther@suse.de>
5668 * gimplify.c (gimplify_init_constructor): For volatile LHS
5669 initialize a temporary.
5671 2010-01-31 Matthias Klose <doko@ubuntu.com>
5673 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5675 * configure: Regenerate.
5677 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5679 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5680 the same alias set and their sizes different constantness.
5681 (aliasing_component_refs_p): Revert 2009-10-24 change.
5683 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5685 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5688 2010-01-29 Richard Guenther <rguenther@suse.de>
5690 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5691 Assert we successfully updated the call.
5693 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5695 PR rtl-optimization/42889
5696 * df.h (df_set_bb_dirty_nonlr): New prototype.
5697 * df-core.c (df_set_bb_dirty_nonlr): New function.
5698 * df-scan.c (df_insn_rescan): Call it instead of
5699 df_set_bb_dirty for DEBUG_INSNs.
5701 2010-01-29 Richard Guenther <rguenther@suse.de>
5704 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5705 quadratic behavior in most cases.
5707 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5710 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5711 in the call to gen_x86_movsicc_0_m1.
5713 2010-01-28 Richard Guenther <rguenther@suse.de>
5715 PR tree-optimization/42871
5716 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5718 2010-01-28 Richard Guenther <rguenther@suse.de>
5720 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5721 into call arguments.
5723 2010-01-28 Richard Guenther <rguenther@suse.de>
5726 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5727 the forwarder if the destination is an EH landing pad.
5729 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5731 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5732 block list passed to gimple_duplicate_sese_tail.
5733 (parallelize_loops): Avoid parallelization when the function
5735 Avoid parallelization when the preheader is IRREDUCIBLE.
5736 Try to optimize when estimated_loop_iterations_int is unresolved.
5737 Add the loop's location to the dump file.
5738 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5739 (gimple_duplicate_sese_tail): Remove the check for the latch.
5740 Redirect nexits to the exit block.
5741 Remove handling of the incoming edges to the latch.
5742 Redirect the backedge from the copied latch to the exit bb.
5744 2010-01-28 Michael Matz <matz@suse.de>
5747 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5748 Wrap force_reg into a sequence, emit it before user.
5750 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5752 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5754 (arm_legacy_rev): Likewise.
5755 (thumb_legacy_rev): Likewise.
5757 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5759 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5760 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5761 on MEM's address failed, try avoid_constant_pool_reference and
5762 recurse if it returned something different.
5763 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5764 address, try avoid_constant_pool_reference and recurse if it
5765 returned something different.
5766 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5767 address and avoid_constant_pool_reference returned something
5768 different, don't set have_address.
5770 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5773 * var-tracking.c (val_store): Add modified argument, obey it.
5775 (count_uses): Move down logging of main.
5776 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5777 don't need resolution.
5778 (emit_notes_in_bb): Likewise.
5780 2010-01-27 Richard Guenther <rguenther@suse.de>
5783 * tree-inline.c (remap_decl): Delay remapping of SSA name
5784 default definitions until we need them.
5786 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5788 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5789 (rs6000_delegitimize_address): New function.
5791 * config/s390/s390.c (s390_delegitimize_address): Call
5792 delegitimize_mem_from_attrs.
5795 * tree-inline.c (cannot_copy_type_1): Removed.
5796 (copy_forbidden): Don't forbid copying of functions containing
5797 records/unions with variable length fields.
5799 2010-01-27 Christian Bruel <christian.bruel@st.com>
5803 * config/sh/sh.c (find_barrier): Increase length for non delayed
5804 conditional branches.
5806 2010-01-27 Matthias Klose <doko@ubuntu.com>
5808 * configure.ac (gnu-unique-object): Fix ldd version check.
5809 * configure: Regenerate.
5811 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5813 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5815 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5816 Test for HAVE_GNU_AS value.
5818 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5820 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5821 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5822 INT64_TYPE): Define.
5823 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5824 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5825 INT_LEAST64_TYPE): Define.
5826 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5827 UINT_LEAST64_TYPE): Define.
5828 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5829 INT_FAST64_TYPE): Define.
5830 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5831 UINT_FAST64_TYPE): Define.
5832 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5833 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5834 (SIG_ATOMIC_TYPE): Define.
5836 2010-01-26 Richard Guenther <rguenther@suse.de>
5838 * df-scan.c (df_scan_set_bb_info): Remove assert.
5839 (df_insn_rescan_debug_internal): Merge asserts.
5840 (df_install_ref): Likewise.
5841 (df_mark_reg): Use bitmap_set_range.
5842 (df_hard_reg_used_p): Remove assert.
5843 (df_hard_reg_used_count): Likewise.
5845 2010-01-26 Richard Guenther <rguenther@suse.de>
5847 PR rtl-optimization/42685
5848 * web.c (web_main): Ignore DEBUG_INSNs.
5850 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5852 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5854 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5855 Fix types of fndecl and arglist parameters.
5857 2010-01-26 Richard Guenther <rguenther@suse.de>
5860 * tree-eh.c (unsplit_eh): Skip debug insns.
5862 2010-01-26 Richard Guenther <rguenther@suse.de>
5864 PR tree-optimization/42250
5865 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5867 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5870 * omp-low.c (expand_omp_sections): Only use single_pred if
5871 l2_bb is single_pred_p.
5873 2010-01-25 Christian Bruel <christian.bruel@st.com>
5876 * config/sh/sh.c (find_barrier): Increase length for non delayed
5877 conditional branches.
5878 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5880 2010-01-24 David S. Miller <davem@davemloft.net>
5882 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5883 define if not using GAS.
5884 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5885 Likewise. Delete SECTION_MERGE code, which is only applicable
5888 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5891 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5892 mangling of va_list in system headers.
5894 2010-01-23 Toon Moene <toon@moene.org>
5896 * tree-predcom.c (combine_chains): Return NULL, not false.
5898 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5900 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5901 initialization of variable res to agree with return type.
5903 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5905 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5906 * tree-sra.c: Add include of expr.h.
5908 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5910 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5911 insert the debug stmt on the single non-EH edge from the stmt.
5913 2010-01-22 Richard Henderson <rth@redhat.com>
5916 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5917 the RHS until after generate_subtree_copies has insertted its
5918 code before the current statement.
5920 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5922 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5924 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5926 2010-01-21 Martin Jambor <mjambor@suse.cz>
5928 PR tree-optimization/42585
5929 * tree-sra.c (struct access): New field grp_total_scalarization.
5930 (dump_access): Dump the new field.
5931 (should_scalarize_away_bitmap): New variable.
5932 (cannot_scalarize_away_bitmap): Likewise.
5933 (sra_initialize): Allocate new bitmaps.
5934 (sra_deinitialize): Free new bitmaps.
5935 (create_access_1): New function.
5936 (create_access): Parts moved to create_access_1.
5937 (type_consists_of_records_p): New function.
5938 (completely_scalarize_record): Likewise.
5939 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5940 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5941 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5943 (analyze_all_variable_accesses): Completely scalarize small eligible
5946 2010-01-21 Martin Jambor <mjambor@suse.cz>
5948 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5950 2010-01-21 Andrew Haley <aph@redhat.com>
5952 * gcc.c (process_command): Move lang_specific_driver before
5953 setting cc_libexec_prefix.
5955 2010-01-21 Richard Guenther <rguenther@suse.de>
5958 * fold-const.c (negate_expr_p): Pretend only negative
5959 real constants are easily negatable.
5961 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5962 Jason Merrill <jason@redhat.com>
5964 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5965 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5966 * calls.c (initialize argument_information): Handle it.
5967 * c-common.c (handle_transparent_union_attribute): Use new name.
5968 * c-decl.c (finish_struct): Ditto.
5969 * c-typeck.c (type_lists_compatible_p): Ditto.
5970 (convert_for_assignment): Use new name and also handle record.
5971 * function.c (aggregate_value_p): Handle it.
5972 (pass_by_reference): Ditto.
5973 (assign_parm_data_types): Ditto.
5974 * print-tree.c (print_node): Ditto.
5975 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5976 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5977 * tree.c (first_field): New fn.
5979 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5982 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5983 even when linking statically, for now.
5985 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5988 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5989 without a cselib val.
5990 (count_uses): Accept MO_VAL_SET with no val on stores.
5991 (add_stores): Likewise.
5993 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5995 * var-tracking.c (check_value_val): Add a compile time assertion.
5996 (dv_is_decl_p): Simplify.
5997 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5998 gcc_assert if ENABLE_CHECKING.
6000 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6003 * var-tracking.c: Include tree-flow.h.
6004 (mem_dies_at_call): New.
6005 (dataflow_set_preserve_mem_locs): Use it.
6006 (dataflow_set_remove_mem_locs): Likewise.
6007 (dump_var): Renamed from dump_variable. Adjust all callers.
6008 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6009 * Makefile.in (var-tracking.o): Adjust deps.
6011 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6013 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6015 2010-01-20 Richard Guenther <rguenther@suse.de>
6017 PR tree-optimization/42717
6018 * tree-ssa-dce.c (get_live_post_dom): Remove.
6019 (forward_edge_to_pdom): Take an arbitrary edge to copy
6020 degenerate PHI args from.
6021 (remove_dead_stmt): Use the first post-dominator even if it
6022 does not contain live statements as redirection destination.
6024 2010-01-20 Richard Guenther <rguenther@suse.de>
6026 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6028 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6030 * sel-sched.c (create_speculation_check): Remove set but not used
6032 (try_transformation_cache): Remove set but not used variable ds.
6033 (calculate_privileged_insns): Remove set but not used variables
6034 cur_insn and min_spec_insn.
6035 (find_best_expr): Remove set but not used variable avail_n.
6036 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6038 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6040 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6041 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6044 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6047 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6048 cpu types. Add support for *-sse3 cpu types.
6049 (x86_64-*-*): Ditto.
6051 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6054 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6055 argument, call initializer_constant_valid_p_1 instead of
6056 initializer_constant_valid_p, pass CACHE to it, return NULL
6057 immediately if first call returns NULL.
6058 (initializer_constant_valid_p_1): New function.
6059 (initializer_constant_valid_p): Use it.
6061 2010-01-20 Thomas Quinot <quinot@adacore.com>
6063 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6065 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6067 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6068 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6069 (loc_list_from_tree): Don't handle unsigned division. Handle
6070 signed modulo using DW_OP_{over,over,div,mul,minus}.
6071 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6072 modulo instead of signed.
6074 2010-01-20 DJ Delorie <dj@redhat.com>
6076 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6078 (h8300_emit_stack_adjustment): Propogate it.
6080 (h8300_expand_prologue): Likewise.
6081 (h8300_expand_epilogue): Likewise.
6083 2010-01-19 Michael Matz <matz@suse.de>
6085 PR tree-optimization/41783
6086 * tree-data-ref.c (toplevel): Include flags.h.
6087 (dump_data_dependence_relation): Also dump the inputs if the
6088 result will be unknown.
6089 (split_constant_offset_1): Look through some conversions.
6090 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6091 the offset from last element is too large.
6092 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6093 (reassociate_to_the_same_stmt): Handle vector registers.
6094 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6096 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6097 wide_prolog_niters argument, emit widening instructions.
6098 (vect_do_peeling_for_alignment): Adjust caller, use widened
6099 variant of the iteration cound.
6100 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6102 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6105 * config/arm/neon-testgen.m (emit_automatics): New parameter
6106 features. Adjust for Fixed_return_reg feature.
6107 (test_intrinsic): Call emit_automatics with new feature.
6108 * config/arm/neon.ml: Update copyright years.
6109 (features): New Fixed_return_reg feature.
6110 (ops): Update feature for Vget_low.
6112 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6114 PR tree-optimization/42719
6115 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6119 * fwprop.c (all_uses_available_at): Return false if def_set dest
6120 is a REG that is used in def_insn.
6122 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6124 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6126 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6129 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6131 * target.h (struct gcc_target) <secondary_reload>: Change type
6132 of last argument to secondary_reload_info *.
6134 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6137 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6138 memory references with unaligned offsets. Remove CQImode handling.
6139 (unaligned_memory_operand): Return 1 for memory references with
6140 unaligned offsets. Remove CQImode handling.
6142 2010-01-18 Richard Guenther <rguenther@suse.de>
6145 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6148 2010-01-18 Richard Guenther <rguenther@suse.de>
6150 PR tree-optimization/42781
6151 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6152 restrict processing only if the original variable was artificial.
6154 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6156 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6157 find number of popped argument bytes.
6159 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6160 Fix the text that describes the return value for invalid insns.
6162 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6164 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6165 Clarify what 'cost of the -dependence' is. Fix quoting.
6167 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6168 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6170 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6172 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6173 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6175 2010-01-17 Richard Guenther <rguenther@suse.de>
6178 * function.c (split_complex_args): Take a VEC to modify.
6179 (assign_parms_augmented_arg_list): Build a VEC instead of
6180 a chain of PARM_DECLs.
6181 (assign_parms_unsplit_complex): Take a VEC of arguments.
6182 Do not fixup unmodified parms.
6183 (assign_parms): Deal with the VEC.
6184 (gimplify_parameters): Likewise.
6186 2010-01-17 Richard Guenther <rguenther@suse.de>
6188 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6189 node existence check.
6190 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6191 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6192 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6193 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6194 (gimple_execute_on_growing_pred): Likewise.
6196 2010-01-17 Richard Guenther <rguenther@suse.de>
6198 PR tree-optimization/42773
6199 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6200 (compute_antic_aux): Likewise.
6201 (compute_partial_antic_aux): Likewise.
6203 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6206 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6209 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6211 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6214 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6215 Fix markup for strict argument.
6217 (TARGET_SCHED_REORDER2): Fix argument types.
6219 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6220 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6222 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6223 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6225 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6228 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6229 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6230 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6231 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6232 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6234 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6236 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6238 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6239 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6241 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6243 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6246 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6248 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6249 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6251 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6253 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6255 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6256 referring to it. Fix language.
6258 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6260 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6262 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6264 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6266 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6267 '@var{stream}. Remove stray 'and'.
6269 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6271 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6273 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6275 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6276 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6278 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6279 Fix description of return value.
6280 Rename argument "sz" to "len."
6282 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6283 Clarify meaning of 'true' return value.
6285 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6287 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6288 rep_mode versus mode_rep.
6290 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6292 (TARGET_BUILTIN_DECL): Fix name.
6294 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6296 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6298 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6300 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6302 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6304 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6307 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6308 Rename argument tm_fn to md_fn.
6310 (TARGET_OPTION_PRINT): Fix argument list.
6312 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6315 * config/i386/i386.c (ix86_fixup_binary_operands):
6316 Revert FMA4 fixup of operands.
6318 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6321 * Makefile.in (write_entries_to_file, install-plugin):
6322 Use \012 instead of \n with tr.
6324 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6326 * configure.ac (HAVE_AS_REF): New C macro.
6327 * configure: Regenerate.
6328 * config.in: Likewise.
6329 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6331 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6334 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6336 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6338 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6340 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6342 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6344 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6346 (TARGET_BINDS_LOCAL_P): Fix argument type.
6348 (TARGET_ASM_FILE_END): Use prototype.
6350 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6352 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6354 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6356 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6358 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6359 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6361 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6362 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6364 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6365 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6366 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6367 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6369 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6371 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6373 (TARGET_INIT_BUILTINS): Use prototype.
6375 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6376 Put 'const char *' in braces. Fix parameter types.
6377 (TARGET_INVALID_CONVERSION): Fix parameter types.
6378 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6379 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6381 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6384 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6386 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6388 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6390 * doc/tm.texi (TARGET_HELP): Fix return type.
6392 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6393 in braces. Fix argument types.
6395 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6397 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6399 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6401 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6402 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6404 (TARGET_MANGLE_TYPE): Fix argument types.
6406 (TARGET_IRA_COVER_CLASSES): Use prototype.
6408 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6410 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6412 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6414 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6416 (TARGET_CALLEE_COPIES): Fix argument types.
6418 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6420 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6422 (TARGET_FUNCTION_VALUE): Fix argument types.
6424 (TARGET_RETURN_IN_MSB): Fix argument type.
6426 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6428 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6430 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6432 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6433 agree with return type.
6435 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6437 2010-01-15 Jing Yu <jingyu@google.com>
6439 PR rtl-optimization/42691
6440 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6441 a pseudo to a constant and are merged, and adjust comments.
6443 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6445 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6447 2010-01-15 Richard Guenther <rguenther@suse.de>
6450 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6451 labels of computed or non-local gotos to the destination.
6452 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6453 landing pad label is the first label.
6455 2010-01-15 Richard Guenther <rguenther@suse.de>
6457 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6459 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6462 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6463 to allow generation of the xssqrtdp instruction on power7.
6464 (sqrtdf2_fpr): Ditto.
6466 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6469 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6470 functions with noreturn attribute.
6473 * varasm.c (declare_weak): Add weak attribute to decl if it
6474 doesn't have one already.
6475 (assemble_external): Only add decls to weak_decls if they also
6476 have weak attribute.
6478 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6480 * var-tracking.c (var_reg_delete): Don't delete the association
6481 between REGs and values or one-part variables if the register
6484 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6487 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6488 because its first operand is a non-localized variable.
6490 2010-01-14 Martin Jambor <mjambor@suse.cz>
6492 PR tree-optimization/42706
6493 * tree-sra.c (encountered_recursive_call): New variable.
6494 (encountered_unchangable_recursive_call): Likewise.
6495 (sra_initialize): Initialize both new variables.
6496 (callsite_has_enough_arguments_p): New function.
6497 (scan_function): Call decl and flags check only for IPA-SRA, check
6498 whether there is a recursive call and whether it has enough arguments.
6499 (all_callers_have_enough_arguments_p): New function.
6500 (convert_callers): Look for recursive calls only when
6501 encountered_recursive_call is set.
6502 (ipa_early_sra): Bail out either if
6503 !all_callers_have_enough_arguments_p or
6504 encountered_unchangable_recursive_call.
6506 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6508 * sel-sched.c: Add 2010 to copyright years.
6509 * sel-sched-ir.c: Likewise.
6510 * sel-sched-ir.h: Likewise.
6512 2010-01-14 Martin Jambor <mjambor@suse.cz>
6514 PR tree-optimization/42714
6515 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6516 constructors specially.
6518 2010-01-14 Andi Kleen <ak@linux.intel.com>
6520 * config/i386/drivers-i386.c (detect_caches_intel):
6521 Add l2sizekb parameter and fill in.
6522 (host_detect_local_cpu): Add l2sizekb, fill in.
6523 Add Atom small cache heuristic.
6525 2010-01-14 Andi Kleen <ak@linux.intel.com>
6527 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6528 Add level3 parameter and fill in.
6529 (detect_caches_intel): Handle level3 cache.
6531 2010-01-14 Andi Kleen <ak@linux.intel.com>
6533 * config/i386/drivers-i386.c (host_detect_local_cpu):
6534 Fix core duo detection.
6536 2010-01-14 Andi Kleen <ak@linux.intel.com>
6538 * config/i386/drivers-i386.c (host_detect_local_cpu):
6541 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6543 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6544 (rs6000_variable_issue_1): this. Use...
6545 (rs6000_variable_issue): here. Reimplement. Print debug info.
6547 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6549 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6550 sel_restore_notes. Update all callers. Call reemit_notes
6553 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6555 PR rtl-optimization/42246
6556 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6559 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6561 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6562 all successors is the same as number of successors in current region.
6564 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6566 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6567 to rename is not separable. Otherwise check that its LHS is not NULL.
6569 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6571 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6573 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6575 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6576 available registers when failed to discover LHS register class.
6577 Fix indentation. Update comment.
6579 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6580 Alexander Monakov <amonakov@ispras.ru>
6582 PR rtl-optimization/42389
6583 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6585 (advance_state_on_fence): Likewise.
6586 (sel_target_adjust_priority): Print debug output only when
6587 sched_verbose >= 4, not 2.
6588 (get_expr_cost): Do not issue all unique insns on the next cycle.
6589 (fill_insns): Initialize can_issue_more from the value saved
6591 * sel-sched-ir.c (flist_add): New parameter issue_more.
6592 Init FENCE_ISSUE_MORE with it.
6593 (merge_fences): Likewise.
6594 (init_fences): Update call to flist_add.
6595 (add_to_fences, add_clean_fence_to_fences)
6596 (add_dirty_fence_to_fences): Likewise.
6597 (move_fence_to_fences): Update call to merge_fences.
6598 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6600 * sel-sched-ir.h (struct _fence): New field issue_more.
6601 (FENCE_ISSUE_MORE): New accessor macro.
6603 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6605 PR rtl-optimization/42388
6606 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6607 that have no predecessors nor successors. Do not call move_bb_info
6608 for empty blocks outside of current region.
6610 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6612 PR rtl-optimization/42294
6613 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6614 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6615 originators' originators.
6617 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6619 PR rtl-optimization/39453
6620 PR rtl-optimization/42246
6621 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6623 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6625 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6626 Alexander Monakov <amonakov@ispras.ru>
6629 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6630 (maybe_tidy_empty_bb): ... here. Make static. Add new
6631 argument. Update all callers.
6632 (tidy_control_flow): ... and here. Recompute topological order
6633 of basic blocks in region if necessary.
6634 (sel_redirect_edge_and_branch): Change return type. Return true
6635 if topological order might have been invalidated.
6636 (purge_empty_blocks): Export and move from...
6637 * sel-sched.c (purge_empty_blocks): ... here.
6638 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6639 (maybe_tidy_empty_bb): Delete prototype.
6640 (purge_empty_blocks): Declare.
6642 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6644 PR rtl-optimization/42249
6645 * sel-sched.c (try_replace_dest_reg): When chosen register
6646 and original register is the same, do not bail out early, but
6647 still check all original insns for validity of replacing destination
6648 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6651 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6654 Port from no-undefined-overflow branch:
6655 2009-03-09 Richard Guenther <rguenther@suse.de>
6657 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6659 2010-01-14 Richard Guenther <rguenther@suse.de>
6662 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6664 2010-01-14 Ira Rosen <irar@il.ibm.com>
6666 PR tree-optimization/42709
6667 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6668 as scalar type in creation of constant vector operand.
6670 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6673 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6674 (check-parallel-%): Match `testsuite' directory component only
6677 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6679 PR translation/39521
6680 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6683 2010-01-13 Richard Guenther <rguenther@suse.de>
6685 PR tree-optimization/42730
6686 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6689 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6692 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6693 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6696 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6698 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6699 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6700 ___umulsi3_highpart.
6702 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6703 rather than schedule_insns if the pass is enabled.
6705 2010-01-13 Martin Jambor <mjambor@suse.cz>
6707 PR tree-optimization/42704
6708 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6711 2010-01-13 Martin Jambor <mjambor@suse.cz>
6713 PR tree-optimization/42703
6714 * tree-sra.c (analyze_access_subtree): Check that we can build a
6715 reference to the original data within the aggregate.
6717 2010-01-13 Richard Guenther <rguenther@suse.de>
6719 PR tree-optimization/42705
6720 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6722 2010-01-13 Richard Guenther <rguenther@suse.de>
6725 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6727 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6730 * var-tracking.c (values_to_unmark): New variable.
6731 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6732 values_to_unmark vector. Moved body to...
6733 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6734 instead queue it into values_to_unmark vector.
6735 (vt_find_locations): Free values_to_unmark vector.
6737 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6739 * config/s390/s390.c (override_options): Set
6740 default of max-pending-list-length to 256
6742 2010-01-13 Richard Guenther <rguenther@suse.de>
6745 * tree-pass.h (PROP_gimple_lcx): New.
6746 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6747 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6748 before the final cleanup_eh.
6749 (dump_properties): Dump PROP_gimple_lcx.
6750 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6751 (tree_lower_complex_O0): Remove.
6752 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6753 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6754 tree_lower_complex, schedule TODO_update_ssa.
6755 * lto-streamer-out.c (output_function): Stream the functions
6757 * lto-streamer-in.c (input_function): Likewise.
6758 (lto_read_body): Do not override them here.
6760 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6763 * c-typeck.c (build_c_cast): Fold value cast to union type before
6764 wrapping it in a CONSTRUCTOR.
6766 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6768 PR rtl-optimization/42699
6769 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6772 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6774 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6775 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6776 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6777 SUBTARGET_WARN_UNUSED_SPEC): ... here
6778 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6780 2010-01-12 Julian Brown <julian@codesourcery.com>
6782 * config/arm/neon-schedgen.ml (Utils): Don't try to
6783 open missing module.
6784 (find_with_result): New.
6786 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6789 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6790 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6792 PR tree-optimization/42645
6793 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6794 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6795 decl_map, set processing_debug_stmt to -1 and return name without
6798 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6800 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6801 binutils version, and reword target configuration description.
6803 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6805 * config/avr/avr.h (LINKER_NAME): Remove.
6807 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6810 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6811 that support VSX, warn for -mno-altivec if vsx is not disabled,
6814 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6815 Shujing Zhao <pearly.zhao@oracle.com>
6817 PR translation/42469
6818 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6819 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6820 character between option name and help text.
6821 * c.opt (imultilib): Likewise.
6823 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6825 * lto-streamer-out.c (output_unreferenced_globals): Output static
6828 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6830 PR rtl-optimization/42621
6831 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6832 optimizing for size.
6833 (duplicate_computed_gotos): Remove now-redundant check.
6835 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6838 * configure.ac: Save and restore LDFLAGS and LIBS
6839 * configure: Regenerate.
6841 2010-01-10 Richard Guenther <rguenther@suse.de>
6844 * builtins.c (fold_builtin_strlen): Add type argument and
6845 convert the resulting length to it.
6846 (fold_builtin_1): Adjust.
6848 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6850 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6851 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6853 (num_insns_constant_wide): Adjust for that change.
6855 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6858 * web.c (union_defs): Add used argument, to combine uses of
6860 (entry_register): Adjust type and tests of used argument.
6861 (web_main): Widen used for new use. Pass it to union_defs.
6862 * df.h (union_defs): Adjust prototype.
6864 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6867 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6868 uses in new incoming argument. Free body.
6869 (reset_debug_uses_in_loop): New.
6870 (analyze_insn_to_expand_var): Call the latter if the former found
6871 anything. Fix whitespace. Reject invalid dest overlaps before
6872 going through all insns in the loop.
6874 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6877 * haifa-sched.c (dying_use_p): Debug insns don't count.
6879 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6882 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6883 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6884 (verify_gimple_call): Reject LHS in noreturn calls.
6886 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6890 * tree-vect-loop-manip.c (adjust_info): New type.
6891 (adjust_vec): New pointer to vector.
6892 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6893 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6894 (slpeel_update_phis_for_duplicate_loop): Use them.
6895 (slpeel_update_phi_nodes_for_guard1): Likewise.
6896 (slpeel_update_phi_nodes_for_guard2): Likewise.
6897 (slpeel_tree_peel_loop_to_edge): Likewise.
6898 (vect_update_ivs_after_vectorizer): Likewise.
6900 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6902 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6903 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6905 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6907 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6908 bogus uninitialized warning.
6910 2010-01-09 Richard Guenther <rguenther@suse.de>
6913 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6914 the evolution is compatible with the initial condition.
6916 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6918 * gcc.c (process_command): Update copyright notice dates.
6919 * gcov.c (print_version): Likewise.
6920 * gcov-dump.c (print_version): Likewise.
6921 * mips-tfile.c (main): Likewise.
6922 * mips-tdump.c (main): Likewise.
6924 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6927 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6929 (rotlhi3_8): Delete.
6931 (rotlsi3_8): Delete.
6932 (rotlsi3_16): Delete.
6933 (rotlsi3_24): Delete.
6935 (*rotw<mode>3): New.
6936 (*rotb<mode>3): New.
6937 * config/avr/avr.c (avr_rotate_bytes): New function.
6938 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6940 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6943 * configure.ac: Modify -rdynamic check.
6944 * configure: Regenerate.
6946 2010-01-08 DJ Delorie <dj@redhat.com>
6948 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6949 register popping order.
6951 2010-01-08 Richard Guenther <rguenther@suse.de>
6954 * c.opt (fsigned-char): Also let LTO handle this option.
6955 (funsigned-char): Likewise.
6957 2010-01-07 Richard Guenther <rguenther@suse.de>
6959 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6960 (gimple_op): Likewise.
6961 (gimple_op_ptr): Likewise.
6962 (gimple_assign_set_lhs): Remove gcc_assert.
6963 (gimple_assign_set_rhs1): Likewise.
6964 (gimple_assign_set_rhs2): Likewise.
6965 (gimple_call_set_lhs): Likewise.
6966 (gimple_call_set_fn): Likewise.
6967 (gimple_call_set_fndecl): Likewise.
6968 (gimple_call_fndecl): Likewise.
6969 (gimple_call_return_type): Likewise.
6970 (gimple_call_set_chain): Likewise.
6971 (gimple_call_num_args): Likewise.
6972 (gimple_call_set_arg): Likewise.
6973 (gimple_cond_set_code): Likewise.
6974 (gimple_cond_set_lhs): Likewise.
6975 (gimple_cond_set_rhs): Likewise.
6976 (gimple_cond_set_true_label): Likewise.
6977 (gimple_cond_set_false_label): Likewise.
6978 (gimple_label_set_label): Likewise.
6979 (gimple_goto_set_dest): Likewise.
6980 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6981 (gimple_debug_bind_get_value): Likewise.
6982 (gimple_debug_bind_get_value_ptr): Likewise.
6983 (gimple_debug_bind_set_var): Likewise.
6984 (gimple_debug_bind_set_value): Likewise.
6985 (gimple_debug_bind_reset_value): Likewise.
6986 (gimple_debug_bind_has_value_p): Likewise.
6987 (gimple_return_retval_ptr): Remove gcc_assert.
6988 (gimple_return_retval): Likewise.
6989 (gimple_return_set_retval): Likewise.
6990 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6991 (safe_referenced_var_iterator): Remove.
6992 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6993 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6994 (fill_referenced_var_vec): Remove.
6995 (first_readonly_imm_use): Remove redundant gcc_assert.
6996 (phi_arg_index_from_use): Combine gcc_asserts.
6997 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6998 (first_imm_use_stmt): Remove redundant gcc_assert.
6999 * tree-cfg.c (verify_gimple_call): Verify function and chain
7000 operands. Verify arguments.
7001 (verify_types_in_gimple_stmt): Verify condition code and labels.
7003 2010-01-07 Richard Guenther <rguenther@suse.de>
7005 PR tree-optimization/42641
7006 * sese.c (rename_map_elt_info): Use the SSA name version, do
7009 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7011 PR tree-optimization/42625
7012 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7013 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7015 2010-01-07 Duncan Sands <baldrick@free.fr>
7017 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7019 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7022 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7023 note itself is not function_invariant_p.
7025 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7027 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7028 Do not add the DF_NOTE problem.
7029 * store-motion.c (execute_rtl_store_motion): Likewise.
7031 2010-01-07 Martin Jambor <mjambor@suse.cz>
7033 PR tree-optimization/42157
7034 * tree-sra.c (compare_access_positions): Stabilize sort if both
7035 accesses have integer types, return zero immediately if they are the
7038 2010-01-06 Richard Henderson <rth@redhat.com>
7041 * haifa-sched.c (add_to_note_list): Merge into ...
7042 (concat_note_lists): ... here, and ...
7043 (unlink_other_notes, rm_other_notes): Merge into...
7044 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7045 NOTE_INSN_EPILOGUE_BEG.
7047 2010-01-06 Richard Guenther <rguenther@suse.de>
7049 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7050 not inline regular functions into always-inline functions.
7052 2010-01-06 Nick Clifton <nickc@redhat.com>
7054 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7055 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7057 (OVERRIDE_OPTIONS): Delete.
7058 (OPTIMIZATION_OPTIONS): Define.
7059 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7060 * config/rx/rx.c (rx_handle_option): Issue an error message if
7061 -mcpu=rx200 and -fpu are used together.
7062 (rx_set_optimization_options): New function. Issue an error
7063 message if an optimization attribute attempts to reset the FPU/
7064 math optimization pairing.
7065 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7066 * config/rx/rx.opt: Set the default to 32-bit doubles.
7067 * config/rx/t-rx: Add multilibs for -nofpu option.
7068 * doc/invoke.texi: Update documentation of RX options.
7070 2010-01-06 Richard Guenther <rguenther@suse.de>
7072 * tree-ssa-pre.c (name_to_id): New global.
7073 (alloc_expression_id): Simplify SSA name handling.
7074 (lookup_expression_id): Likewise.
7075 (init_pre): Zero name_to_id.
7076 (fini_pre): Free it.
7078 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7080 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7082 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7085 * config/i386/sse.md (smaxv2di3): New.
7086 (umaxv2di3): Likewise.
7087 (sminv2di3): Likewise.
7088 (uminv2di3): Likewise.
7090 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7093 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7094 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7095 (legitimize_tls_address): Likewise.
7096 (sparc_tls_referenced_p): Likewise.
7097 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7098 and adjust calls to legitimize_pic_address.
7099 (legitimate_constant_p) Use sparc_tls_referenced_p.
7100 (legitimate_pic_operand_p): Likewise.
7101 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7102 (sparc_tls_symbol_ref_1): Delete.
7103 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7104 (legitimize_tls_address): Make static, handle CONST patterns.
7105 (legitimize_pic_address): Make static, remove unused parameter and
7106 adjust recursive calls.
7107 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7108 and adjust call to legitimize_pic_address.
7109 (sparc_output_mi_thunk): Likewise.
7111 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7112 H.J. Lu <hongjiu.lu@intel.com>
7115 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7116 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7117 operands to make them signed.
7120 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7123 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7124 GTU to GT for V4SI and V2DI.
7126 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7127 (umin<mode>3): Removed.
7129 (uminv4si3): Likewise.
7131 2010-01-05 Martin Jambor <mjambor@suse.cz>
7133 PR tree-optimization/42462
7134 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7135 current_function_decl to helper functions and macros.
7137 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7140 * flags.h: Don't include real.h.
7141 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7142 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7143 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7144 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7145 * dominance.c: Update copyright.
7146 * gimple.c (walk_gimple_op): Remove inline.
7147 * tree-ssa-reassoc.c: Include real.h.
7148 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7149 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7151 2010-01-05 Nick Clifton <nickc@redhat.com>
7153 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7154 register to push into the stack frame when the accumulator has to
7155 be saved during interrupts.
7157 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7159 * doc/invoke.texi: Remove the documentation about option
7161 * common.opt (Wunreachable-code): Preserved for backward
7163 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7164 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7165 the backward compatibility flag section.
7167 2010-01-05 Richard Guenther <rguenther@suse.de>
7169 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7171 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7174 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7176 PR tree-optimization/42508
7177 * tree-sra.c (convert_callers): Check for recursive call
7178 by comparing cgraph nodes instead of decls.
7179 (modify_function): Call ipa_modify_formal_parameters also
7180 on all same_body aliases.
7182 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7183 cgraph nodes when checking for same_body aliases.
7185 2010-01-05 Richard Guenther <rguenther@suse.de>
7187 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7188 allocation and lookup.
7189 (get_or_alloc_expr_for_constant): Likewise.
7190 (phi_translate): Sink allocation.
7192 2010-01-04 Richard Guenther <rguenther@suse.de>
7194 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7195 a new entry only if needed.
7196 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7197 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7199 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7201 (phi_translate): Handle CONSTANTs early.
7203 2010-01-04 Martin Jambor <mjambor@suse.cz>
7205 PR tree-optimization/42398
7206 * tree-sra.c (struct access): Removed flag grp_different_types.
7207 (dump_access): Do not dump the removed flag.
7208 (sort_and_splice_var_accesses): Do not set the removed flag.
7209 (sra_modify_expr): Check for type compatibility directly.
7211 2010-01-04 Martin Jambor <mjambor@suse.cz>
7213 PR tree-optimization/42366
7214 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7215 edges with variable number of parameters.
7216 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7217 flag instead of asserting it.
7218 (ipa_read_node_info): Read uses_analysis_done flag.
7220 2010-01-04 Richard Guenther <rguenther@suse.de>
7222 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7223 iterative_hash_* as intended.
7224 (vn_reference_compute_hash): Likewise. Simplify hashing
7226 (vn_reference_lookup_2): Likewise.
7227 (vn_nary_op_compute_hash): Likewise.
7228 (vn_phi_compute_hash): Likewise.
7229 (expressions_equal_p): Remove strange code.
7230 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7231 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7232 (bitmap_insert_into_set_1): Take value-id as parameter.
7233 (add_to_value): Pass it.
7234 (bitmap_insert_into_set): Likewise.
7235 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7237 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7240 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7241 (do_self_spec): For switches with SWITCH_IGNORE set set also
7242 SWITCH_IGNORE_PERMANENTLY.
7243 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7246 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7248 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7249 tree of an unreferenced global var.
7251 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7254 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7255 GTU to GT for V4SI and V2DI.
7257 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7258 (umin<mode>3): Removed.
7260 (uminv4si3): Likewise.
7262 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7265 * collect2.c (main): Turn on trace in collect2 if -v is passed
7268 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7270 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7271 description of expression operand.
7273 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7275 * configure.ac: Add install-html to target_list for Make-hooks.
7276 * configure: Regenerate.
7277 * fortran/Make-lang.in (F95_HTMLFILES): New.
7278 (fortran.html): Use it.
7279 (fortran.install-html): New.
7280 * Makefile.in (install-html): Add lang.install-html.
7281 * java/Make-lang.in (JAVA_HTMLFILES): New.
7282 (java.html): Use it.
7283 (java.install-html): New.
7284 * objc/Make-lang.in (objc.install-html): New.
7285 * objcp/Make-lang.in (obj-c++.install-html): New.
7286 * cp/Make-lang.in (c++.install-html): New.
7287 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7288 * lto/Make-lang.in (lto.install-html): New.
7290 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7293 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7295 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7297 PR rtl-optimization/41862
7298 * store-motion.c (store_killed_in_insn, compute_store_table,
7299 remove_reachable_equiv_notes, replace_store_insn,
7300 build_store_vectors): Ignore all DEBUG_INSNs.
7302 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7305 * common.opt: Add dumpdir.
7307 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7309 (option_map): Add --dumpdir.
7311 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7313 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7315 * opts.c (decode_options): Try dump_dir_name first if
7316 dump_base_name isn't an absolute path.
7317 (common_handle_option): Handle OPT_dumpdir.
7319 * toplev.c (dump_dir_name): New.
7320 (print_switch_values): Also ignore -dumpdir.
7322 * toplev.h (dump_dir_name): New.
7324 2010-01-03 Richard Guenther <rguenther@suse.de>
7326 PR tree-optimization/42589
7327 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7328 double-word expansion of bswap32.
7330 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7332 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7333 with BLOCK_FOR_INSN.
7334 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7335 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7336 noce_process_if_block): Likewise.
7337 * gcse.c (compute_local_properties, insert_expr_in_table,
7338 insert_set_in_table, canon_list_insert, find_avail_set,
7339 pre_insert_copy_insn): Likewise.
7341 * basic-block.h (BLOCK_NUM): Move from here...
7342 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7344 2010-01-03 Richard Guenther <rguenther@suse.de>
7346 PR tree-optimization/42438
7347 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7348 contains_may_not_return_call flag.
7349 (BB_MAY_NOTRETURN): New.
7350 (valid_in_sets): Trapping nary operations are not valid
7351 in blocks that may not return.
7352 (insert_into_preds_of_block): Remove check for trapping expressions.
7353 (compute_avail): Compute also BB_MAY_NOTRETURN.
7355 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7357 * doc/invoke.texi: Add 2010 to copyright years.
7359 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7361 * config/sparc/sparc.c: Fix formatting nits.
7363 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7364 Alexander Monakov <amonakov@ispras.ru>
7366 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7368 2010-01-02 Richard Guenther <rguenther@suse.de>
7371 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7372 (simplify_switch_using_ranges): Mark to be removed edges
7375 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7377 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7379 * collect2.c (scan_libraries): Add missing argument in call to
7382 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7385 * config/alpha/predicates.md (aligned_memory_operand): Return false
7387 (unaligned_memory_operand): Return true for CQImode.
7388 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7389 doesn not cross aligned SImode word boundary.
7391 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7393 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7395 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7396 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7398 2010-01-02 Richard Guenther <rguenther@suse.de>
7401 * toplev.c (compile_file): Emit LTO marker properly. Change
7403 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7405 2010-01-01 Richard Guenther <rguenther@suse.de>
7408 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7410 2010-01-01 Richard Guenther <rguenther@suse.de>
7413 * c-decl.c (grokdeclarator): For zero-size arrays force
7414 structural equality checks as layout_type does.
7416 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7418 * builtins.c: Update copyright to 2010.
7420 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7423 * lto-streamer-out.c (produce_asm): Revert the last change.
7424 (copy_function): Likewise.
7426 * lto-streamer.c (lto_get_section_name): Skip any leading
7429 2010-01-01 Richard Guenther <rguenther@suse.de>
7432 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7436 Copyright (C) 2010 Free Software Foundation, Inc.
7438 Copying and distribution of this file, with or without modification,
7439 are permitted in any medium without royalty provided the copyright
7440 notice and this notice are preserved.