1 2010-04-27 Jakub Jelinek <jakub@redhat.com>
3 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
5 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
8 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
9 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
10 here to determine which regs to push and how much stack to reserve.
12 2010-04-27 Jie Zhang <jie@codesourcery.com>
14 * doc/gimple.texi (gimple_statement_with_ops): Remove
15 addresses_taken field.
16 (gimple_statement_with_memory_ops): Likewise.
18 2010-04-27 Jan Hubicka <jh@suse.cz>
20 * tree-inline.c (eni_inlining_weights): Remove.
21 (estimate_num_insns): Special case more builtins.
23 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
26 * c-typeck.c (build_binary_op): Move forward check for comparison
27 pointer with null pointer constant and adjust the diagnostic message.
29 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
32 * configure.ac (gcc_cv_as_section_has_align): Set if installed
33 binutils supports extended .section directive needed by LTO, or
34 warn if older binutils found.
35 (LTO_BINARY_READER): New AC_SUBST'd variable.
36 (LTO_USE_LIBELF): Likewise.
37 * gcc/config.gcc (lto_binary_reader): New target-specific configure
39 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
40 (LTO_USE_LIBELF): Likewise.
41 * configure: Regenerate.
43 * collect2.c (is_elf): Rename from this ...
44 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
45 object files in addition to ELF-formatted ones.
46 (scan_prog_file): Caller updated. Also allow for LTO info marker
47 symbol to be prefixed or not by an extra underscore.
49 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
50 * config/i386/winnt.c: Also #include lto-streamer.h
51 (i386_pe_asm_named_section): Specify 1-byte section alignment for
53 (i386_pe_asm_output_aligned_decl_common): Add comment.
54 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
56 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
59 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
60 Add missing earlyclobber for second alternative.
62 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
64 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
65 bits for artificial defs at the top of the block.
66 * fwprop.c (single_def_use_enter_block): Don't call it.
68 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
71 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
72 instead of "$gcc_cv_objdump -T".
73 Use "-undefined dynamic_lookup" on darwin.
74 * gcc/configure: Regenerate.
76 2010-04-26 Jakub Jelinek <jakub@redhat.com>
79 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
81 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
83 * c-parser.c (struct c_token): Move location field up.
84 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
85 (struct c_declspecs): Convert typespec_word, storage_class, and
86 default_int_p into bitfields.
87 (struct c_declarator): Move loc field up.
89 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
91 * cfgloop.h (struct loop): Move can_be_parallel field up.
92 * ipa-prop.h (struct ip_node_params): Move bitfields up.
93 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
95 (struct iv_cand): Convert pos field into a bitfield.
96 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
98 (struct _stmt_vec_info): Shuffle fields for better packing.
100 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
102 * varasm.c (IN_NAMED_SECTION): Remove guard.
103 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
104 (IN_NAMED_SECTION_P): ...this.
105 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
106 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
108 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
110 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
111 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
112 of shadowing it. Fix comments.
114 2010-04-26 Jan Hubicka <jh@suse.cz>
116 * cgraph.c (cgraph_create_node): Set node frequency to normal.
117 (cgraph_clone_node): Copy function frequency.
118 * cgraph.h (node_frequency): New enum
119 (struct cgraph_node): Add.
120 * final.c (rest_of_clean_state): Update.
121 * lto-cgraph.c (lto_output_node): Output node frequency.
122 (input_overwrite_node): Input node frequency.
123 * tre-ssa-loop-ivopts (computation_cost): Update.
124 * lto-streamer-out.c (output_function): Do not output function
126 * predict.c (maybe_hot_frequency_p): Update and handle functions
128 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
130 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
131 (compute_function_frequency): Set noreturn functions to be executed
133 (choose_function_section): Update.
134 * lto-streamer-in.c (input_function): Do not input function frequency.
135 * function.c (allocate_struct_function): Do not initialize function
137 * function.h (function_frequency): Remove.
138 (struct function): Remove function frequency.
139 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
140 (try_update): Update.
141 * tree-inline.c (initialize_cfun): Do not update function frequency.
142 * passes.c (pass_init_dump_file): Update.
143 * i386.c (ix86_compute_frame_layout): Update.
144 (ix86_pad_returns): Update.
146 2010-04-26 Jie Zhang <jie@codesourcery.com>
148 PR tree-optimization/43833
149 * tree-vrp.c (range_int_cst_p): New.
150 (range_int_cst_singleton_p): New.
151 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
152 when both operands are constants. Use range_int_cst_p in
155 2010-04-26 Jan Hubicka <jh@suse.cz>
157 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
159 2010-04-26 Richard Guenther <rguenther@suse.de>
162 * gimple.c (gimple_decl_printable_name): Deal gracefully
163 with a NULL DECL_NAME.
165 2010-04-26 Richard Guenther <rguenther@suse.de>
168 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
169 if emitting debug information and it is either a function
172 2010-04-26 Ira Rosen <irar@il.ibm.com>
174 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
175 determine if the statement is vectorizable, and a macro to
177 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
178 Skip statements that can't be vectorized. If the analysis
179 fails, mark the statement as unvectorizable if vectorizing
181 (vect_compute_data_refs_alignment): Likewise.
182 (vect_verify_datarefs_alignment): Skip statements marked as
183 unvectorizable. Add print.
184 (vect_analyze_group_access): Skip statements that can't be
185 vectorized. If the analysis fails, mark the statement as
186 unvectorizable if vectorizing basic block.
187 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
189 * tree-vect-stmts.c (vectorizable_store): Fix the number of
190 generated stmts for SLP.
191 (new_stmt_vec_info): Initialize the new field.
192 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
193 statements marked as unvectorizable.
195 2010-04-25 Joseph Myers <joseph@codesourcery.com>
197 * c-common.c (flag_isoc1x): New.
198 (flag_isoc99): Update comment.
199 * c-common.h (flag_isoc1x): New.
200 (flag_isoc99): Update comment.
201 * c-cppbuiltin.c (builtin_define_float_constants): Also define
202 __<type>_DECIMAL_DIG__.
203 * c-opts.c (set_std_c1x): New.
204 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
205 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
206 * c.opt (-std=c1x, -std=gnu1x): New options.
207 * doc/cpp.texi: Mention -std=c1x.
208 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
209 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
210 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
211 * doc/standards.texi: Mention C1X.
212 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
213 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
214 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
217 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
219 * config/i386/gmon-sol2.c (_mcleanup): Change format string
220 placeholder from 0x%x to %#x.
221 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
222 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
223 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
224 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
225 * config/i386/i386.c (ix86_target_string): Ditto.
226 (output_pic_addr_const): Ditto.
227 (print_operand): Ditto.
229 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
231 * combine.c (find_split_point): Add third argument. Use it
232 to find nested multiply-accumulate instructions. Adjust calls.
233 (try_combine): Adjust call to find_split_point.
235 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
237 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
239 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
241 PR tree-optimization/41442
242 * fold-const.c (merge_truthop_with_opposite_arm): New function.
243 (fold_binary_loc): Call it.
245 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
247 * toplev.c (general_init): Set default for fdiagnostics-show-option.
248 * opts.c (common_handle_option): Allow disabling it.
249 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
251 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
253 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
254 between modes if both types are integral.
256 2010-04-23 Richard Guenther <rguenther@suse.de>
258 PR tree-optimization/43572
259 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
261 2010-04-23 Richard Guenther <rguenther@suse.de>
264 * tree-inline.c (tree_can_inline_p): Also check compatibility
267 2010-04-23 Martin Jambor <mjambor@suse.cz>
269 PR tree-optimization/43846
270 * tree-sra.c (struct access): New flag grp_assignment_read.
271 (build_accesses_from_assign): Set grp_assignment_read.
272 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
273 (enum mark_read_status): New type.
274 (analyze_access_subtree): Propagate grp_assignment_read, create
275 accesses also if both direct_read and root->grp_assignment_read.
277 2010-04-23 Martin Jambor <mjambor@suse.cz>
280 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
281 function does not have type attributes.
283 2010-04-23 Richard Guenther <rguenther@suse.de>
286 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
289 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
291 * sese.h (create_if_region_on_edge): Remove.
293 * sese.c (create_if_region_on_edge): Make static.
295 * tree-inline.c: Do not include ggc.h.
297 * expr.c: Do not include ggc.h.
299 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
302 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
305 * config/sh/sh.c (find_barrier): Don't emit a constant pool
306 in the middle of insns for casesi_worker_2.
308 2010-04-22 David Edelsohn <edelsohn@gnu.org>
310 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
312 2010-04-22 Ira Rosen <irar@il.ibm.com>
314 PR tree-optimization/43842
315 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
316 loop unrolling in update of exit phis. Fix comment.
317 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
318 least two reduction statements in the loop before starting SLP
321 2010-04-22 Nick Clifton <nickc@redhat.com>
323 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
325 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
327 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
330 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
332 * tree-parloops.c (loop_parallel_p): New argument
333 parloop_obstack. Pass it down.
334 (parallelize_loops): New variable parloop_obstack. Initialize it,
335 pass it down, free it.
337 * tree-loop-linear.c (linear_transform_loops): Pass down
340 * tree-data-ref.h (lambda_compute_access_matrices): New argument
341 of type struct obstack *.
343 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
344 scratch_obstack. Initialize it, pass down, free it.
346 * lambda.h (lambda_loop_new): Remove.
347 (lambda_matrix_new, lambda_matrix_inverse)
348 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
349 argument of type struct obstack *.
351 * lambda-trans.c (lambda_trans_matrix_new): New argument
352 lambda_obstack. Pass it down, use obstack allocation for ret.
353 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
356 * lambda-mat.c (lambda_matrix_get_column)
357 (lambda_matrix_project_to_null): Remove.
358 (lambda_matrix_new): New argument lambda_obstack. Use obstack
360 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
363 * lambda-code.c (lambda_loop_new): New function.
364 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
365 (lambda_compute_auxillary_space, lambda_compute_target_space)
366 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
367 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
368 (build_access_matrix): New argument lambda_obstack. Use obstack
370 (lambda_compute_step_signs, lambda_compute_access_matrices): New
371 argument lambda_obstack. Pass it down.
373 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
375 * optabs.h (expand_widening_mult): Declare.
377 2010-04-22 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/43845
380 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
381 lookup the CALL_EXPR function and arguments.
383 2010-04-22 Nick Clifton <nickc@redhat.com>
385 * config/stormy16/stormy16.c
386 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
387 * config/stormy16/stormy16.h: Tidy up formatting.
388 (DONT_USE_BUILTIN_SETJMP): Remove definition.
389 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
390 (ineqbranchsi): Delete pattern.
391 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
392 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
393 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
394 stormy16-lib2-ucmpsi2.c.
396 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
398 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
399 df_simulate_find_noclobber_defs as appropriate. Keep track of an
400 extra set merge_set_noclobber, and use it to relax the final test
402 * df.h (df_simulate_find_noclobber_defs): Declare.
403 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
405 (df_simulate_find_noclobber_defs): New function.
407 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
409 * config/i386/i386.md: Use {} around multi-line preparation statements.
411 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
413 * c-tree.h (push_init_level, pop_init_level, set_init_index)
414 (process_init_element): New argument of type struct obstack *.
416 * c-typeck.c (push_init_level, pop_init_level, set_designator)
417 (set_init_index, set_init_label, set_nonincremental_init)
418 (set_nonincremental_init_from_string, find_init_member)
419 (output_init_element, output_pending_init_elements)
420 (process_init_element): New argument braced_init_obstack. Pass it
422 (push_range_stack, add_pending_init): New argument
423 braced_init_obstack. Use obstack allocation.
425 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
426 braced_init_obstack. Pass it down.
427 (c_parser_braced_init): New variables ret, braced_init_obstack.
428 Initialize obstack, pass it down and finally free it.
430 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
433 * tree-pass.h (pass_optimize_widening_mul): Declare.
434 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
435 gate_optimize_widening_mul): New static functions.
436 (pass_optimize_widening_mul): New.
437 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
438 <case MULT_EXPR>: Remove support for widening multiplies.
439 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
440 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
441 simplify_gen_unary rather than directly building extensions.
442 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
444 * expmed.c (expand_widening_mult): New function.
445 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
447 2010-04-21 Jan Hubicka <jh@suse.cz>
449 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
450 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
451 * lto-wpa-fixup.c: Remove.
452 * Makefile.in (lto-wpa-fixup.o): Remove.
453 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
454 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
455 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
457 2010-04-21 Jan Hubicka <jh@suse.cz>
459 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
460 add write_optimization_summary, read_optimization_summary.
461 (ipa_write_summaries_of_cgraph_node_set): Remove.
462 (ipa_write_optimization_summaries): Declare.
463 (ipa_read_optimization_summaries): Declare.
464 * ipa-cp.c (pass_ipa_cp): Update.
465 * ipa-reference.c (pass_ipa_reference): Update.
466 * ipa-pure-const.c (pass_ipa_pure_const): Update.
467 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
469 * ipa-inline.c (pass_ipa_inline): Update.
470 * ipa.c (pass_ipa_whole_program): Update.
471 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
472 * passes.c (ipa_write_summaries_1): Do not test wpa.
473 (ipa_write_optimization_summaries_1): New.
474 (ipa_write_optimization_summaries): New.
475 (ipa_read_summaries): Do not test ltrans.
476 (ipa_read_optimization_summaries_1): New.
477 (ipa_read_optimization_summaries): New.
479 2010-04-21 Jan Hubicka <jh@suse.cz>
481 * lto-cgraph.c (lto_output_node): Do not output comdat groups
483 (output_cgraph): Do not arrange comdat groups for boundary nodes.
485 2010-04-21 Jakub Jelinek <jakub@redhat.com>
488 * dwarf2out.c (add_name_and_src_coords_attributes): Add
489 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
491 2010-04-21 Jan Hubicka <jh@suse.cz>
493 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
495 2010-04-21 Jan Hubicka <jh@suse.cz>
497 * varpool.c (decide_is_variable_needed): Variable is always needed
500 2010-04-21 Jan Hubicka <jh@suse.cz>
502 * opts.c (decode_options): Enable pure-const pass for whopr.
504 2010-04-21 Jan Hubicka <jh@suse.cz>
506 * cgraph.c (dump_cgraph_node): Dump also assembler name.
507 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
509 (cgraph_decide_inlining): Do not expect callee to be removed in all
512 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
514 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
516 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
518 * config/i386/i386.md (x86_shrd): Add athlon_decode and
519 amdfam10_decode attributes.
521 2010-04-21 Jakub Jelinek <jakub@redhat.com>
524 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
525 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
526 (lower_copyprivate_clauses): Use private var in outer
527 context instead of original var. Make sure the types
528 are correct for VLAs.
530 2010-04-21 Richard Guenther <rguenther@suse.de>
532 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
533 to non-pointer objects.
535 2010-04-21 Jakub Jelinek <jakub@redhat.com>
537 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
538 last chain entry if it starts with the still current label.
539 (add_location_or_const_value_attribute): Check that
540 loc_list->first->next is NULL instead of comparing ->first with ->last.
541 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
542 to add_var_loc_to_decl.
544 * dwarf2out.c (output_call_frame_info): For dw_cie_version
545 >= 4 add also address size and segment size fields into CIE header.
547 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
548 long as address size is the same as sizeof (void *) and
550 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
551 address size or segment size is unexpected, return DW_EH_PE_omit.
552 (classify_object_over_fdes): If get_cie_encoding returned
553 DW_EH_PE_omit, return -1.
554 (init_object): If classify_object_over_fdes returned -1,
555 pretend there were no FDEs at all.
557 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
559 * config/i386/i386.md (bswap<mode>2): Macroize expander from
560 bswap{si,di}2 using SWI48 mode iterator.
561 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
562 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
563 set modrm attribute of bswap insn to 0 and remove length attribute.
564 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
565 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
566 set mode attribute to <MODE> and remove length attribute.
568 2010-04-20 James E. Wilson <wilson@codesourcery.com>
570 PR rtl-optimization/43520
571 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
572 zero available registers.
574 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * builtins.c (fold_builtin_cproj): Fold more cases.
578 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
580 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
581 (fold_builtin_1): Fold builtin cproj.
582 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
583 Use ATTR_CONST_NOTHROW_LIST.
585 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
587 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
588 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
589 ffsi2_no_cmove for !TARGET_CMOVE.
590 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
591 (ffssi2): Remove expander.
592 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
594 (ctz<mode>2): Ditto from ctz{si,di}2.
595 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
597 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
600 2010-04-20 Jakub Jelinek <jakub@redhat.com>
602 * dwarf2out.c (AT_linkage_name): Define.
603 (clone_as_declaration): Handle DW_AT_linkage_name.
604 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
605 of DW_AT_MIPS_linkage_name.
606 (move_linkage_attr): Likewise.
607 (dwarf2out_finish): Likewise.
609 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
612 * fold-const.c (fold_comparison): New folding rule.
614 2010-04-20 Anatoly Sokolov <aesok@post.ru>
616 * double-int.h (double_int_setbit): Declare.
617 * double-int.c (double_int_setbit): New function.
618 * rtl.h (immed_double_int_const): Declare.
619 * emit-rtl.c (immed_double_int_const): New function.
620 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
621 and immed_double_int_const functions.
622 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
623 expand_copysign_bit): (Ditto.).
624 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
625 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
626 * dojump.c (prefer_and_bit_test): (Ditto.).
627 * expr.c (convert_modes, reduce_to_bit_field_precision,
628 const_vector_from_tree): (Ditto.).
629 * expmed.c (mask_rtx, lshift_value): (Ditto.).
631 2010-04-20 Jan Hubicka <jh@suse.cz>
633 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
634 (dump_cgraph_node): Dump new flags.
635 * cgraph.h (struct cgraph_node): Add flags
636 reachable_from_other_partition and in_other_partition.
637 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
638 other partition can not be removed.
639 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
640 the other partition must be output; silence sanity checking on
641 leaking functions bodies from other paritition.
642 * lto-cgraph.c (reachable_from_other_partition_p): New function.
643 (lto_output_node): Output new flags; do not sanity check that inline
644 clones are output; drop lto_forced_extern_inline_p code; do not mock
645 visibility flags at partition boundaries.
646 (add_node_to): New function.
647 (output_cgraph): Use it to sort functions so masters appear before
649 (input_overwrite_node): Input new flags.
650 * passes.c (ipa_write_summaries): Do not call
651 lto_new_extern_inline_states.
652 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
653 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
654 lto_forced_extern_inline_p): Kill.
655 * lto-streamer.h (lto_new_extern_inline_states,
656 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
657 lto_forced_extern_inline_p): Kill.
659 2010-04-20 Richard Guenther <rguenther@suse.de>
661 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
662 from vars that can have pointers.
663 (process_constraint): Dump useless constraints.
665 2010-04-20 Richard Guenther <rguenther@suse.de>
667 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
668 (dump_sa_points_to_info): Remove asserts.
669 (init_base_vars): nothing_id isn't an escape point nor does it
672 2010-04-20 Jakub Jelinek <jakub@redhat.com>
674 * tree.h (TYPE_REF_IS_RVALUE): Define.
675 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
676 should_move_die_to_comdat, prune_unused_types_walk): Handle
677 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
678 (modified_type_die, gen_reference_type_die): Emit
679 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
680 if TYPE_REF_IS_RVALUE and -gdwarf-4.
682 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
685 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
686 calls for -fpic -m31 if they have been sibcall optimized.
688 2010-04-19 James E. Wilson <wilson@codesourcery.com>
690 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
691 ar.lc fixed and call-used.
693 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
695 2010-04-19 Jan Hubicka <jh@suse.cz>
697 * opts.c (decode_options): Disable whpr incompatible passes.
698 * lto/lto.c (lto_1_to_1_map): Skip clones.
699 (read_cgraph_and_symbols): Do not mark everything as needed.
700 (do_whole_program_analysis): Do map only after optimizing;
701 set proper cgraph_state; use passmanager.
703 2010-04-19 DJ Delorie <dj@redhat.com>
705 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
706 POINTER_PLUS_EXPR and fix them.
708 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
710 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
711 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
712 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
713 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
714 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
715 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
716 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
717 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
718 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
719 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
720 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
722 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
724 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
725 (check_cond_move_block): Likewise.
726 (cond_move_process_if_block): Likewise.
727 (noce_find_if_block): Improve formatting.
728 (find_if_header): Pass 0 to memset and tweak conditions.
729 (cond_exec_find_if_block): Fix long lines and tweak conditions.
731 2010-04-19 Jakub Jelinek <jakub@redhat.com>
733 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
737 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
738 with non-local decl doesn't need chain.
740 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
742 * ira-color.c (allocno_reload_assign): Avoid accumulating
743 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
745 2010-04-19 Martin Jambor <mjambor@suse.cz>
747 * gimple.h (create_tmp_reg): Declare.
748 * gimplify.c (create_tmp_reg): New function.
749 (gimplify_return_expr): Use create_tmp_reg.
750 (gimplify_omp_atomic): Likewise.
751 (gimple_regimplify_operands): Likewise.
752 * tree-dfa.c (make_rename_temp): Likewise.
753 * tree-predcom.c (predcom_tmp_var): Likewise.
754 (reassociate_to_the_same_stmt): Likewise.
755 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
756 (get_replaced_param_substitute): Likewise.
757 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
758 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
759 * tree-ssa-pre.c (get_representative_for): Likewise.
760 (create_expression_by_pieces): Likewise.
761 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
762 (create_tailcall_accumulator): Likewise.
764 2010-04-19 Martin Jambor <mjambor@suse.cz>
766 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
768 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
770 2010-04-19 Richard Guenther <rguenther@suse.de>
772 PR tree-optimization/43796
773 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
774 from SCEV in the lattice.
775 (vrp_visit_phi_node): Dump change.
777 2010-04-19 Richard Guenther <rguenther@suse.de>
779 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
780 * configure: Re-generated.
782 2010-04-19 Richard Guenther <rguenther@suse.de>
784 PR tree-optimization/43783
785 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
786 constant ARRAY_REF operands two and three if possible.
788 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
791 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
793 2010-04-19 Jie Zhang <jie@codesourcery.com>
796 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
798 2010-04-19 Ira Rosen <irar@il.ibm.com>
800 PR tree-optimization/37027
801 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
802 and macro to access it.
803 (vectorizable_reduction): Add argument.
804 (vect_get_slp_defs): Likewise.
805 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
806 statements for possible use in SLP.
807 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
808 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
809 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
811 (vectorizable_reduction): Likewise.
812 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
814 (vectorizable_type_demotion, vectorizable_type_promotion,
815 vectorizable_store): Likewise.
816 (vect_analyze_stmt): Update call to vectorizable_reduction.
817 (vect_transform_stmt): Likewise.
818 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
819 (vect_build_slp_tree): Fix indentation. Check that there are no loads
820 from different interleaving chains in same node.
821 (vect_slp_rearrange_stmts): New function.
822 (vect_supported_load_permutation_p): Allow load permutations for
823 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
824 inside SLP nodes if necessary.
825 (vect_analyze_slp_instance): Handle reductions.
826 (vect_analyze_slp): Try to build SLP instances originating from groups
828 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
829 (vect_get_constant_vectors): Create initial vectors for reductions
830 according to reduction code. Add new argument.
831 (vect_get_slp_defs): Add new argument, pass it to
832 vect_get_constant_vectors.
833 (vect_schedule_slp_instance): Remove SLP tree root statements.
835 2010-04-19 Jakub Jelinek <jakub@redhat.com>
837 * tree.h (ENUM_IS_SCOPED): Define.
838 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
839 for ENUM_IS_SCOPED enums.
841 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
843 * fold-const.c (fold_comparison): Use ssizetype.
844 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
845 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
846 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
847 * tree-object-size.c (compute_object_sizes): Use size_type_node.
849 * tree.h (initialize_sizetypes): Remove parameter.
850 (build_common_tree_nodes): Remove second parameter.
851 * stor-layout.c (initialize_sizetypes): Remove parameter.
852 Always create an unsigned type.
853 (set_sizetype): Assert that the passed type is unsigned and simplify.
854 * tree.c (build_common_tree_nodes): Remove second parameter.
855 Adjust call to initialize_sizetypes.
856 * c-decl.c (c_init_decl_processing): Remove second argument in call to
857 build_common_tree_nodes.
859 2010-04-18 Matthias Klose <doko@ubuntu.com>
861 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
863 2010-04-18 Ira Rosen <irar@il.ibm.com>
865 PR tree-optimization/43771
866 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
867 load permutation doesn't have gaps.
869 2010-04-18 Jan Hubicka <jh@suse.cz>
871 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
872 (sse_prologue_save_insn expander): Use new pattern.
873 (sse_prologue_save_insn1): New pattern and splitter.
874 (sse_prologue_save_insn): Update to deal also with 64bit aligned
876 * i386.c (setup_incoming_varargs_64): Do not compute jump
878 (ix86_gimplify_va_arg): Update alignment needed.
879 (ix86_local_alignment): Do not align all local arrays to 128bit.
881 2010-04-17 Jan Hubicka <jh@suse.cz>
883 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
885 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
887 * arm.md (negdi2): Remove redundant code to force values into a
890 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
892 * arm/bpabi.S: Add EABI alignment attributes to objects.
893 * arm/bpabi-v6m.S: Likewise.
894 * arm/crti.asm: Likewise.
895 * arm/crtn.asm: Likewise.
896 * arm/lib1funcs.asm: Likewise.
897 * arm/libunwind.S: Likewise.
899 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
901 * arm-protos.h (tune_params): New structure.
902 * arm.c (current_tune): New variable.
903 (arm_constant_limit): Delete.
904 (struct processors): Add pointer to the tune parameters.
905 (arm_slowmul_tune): New tuning option.
906 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
907 (all_cores): Adjust to pick up the tuning model.
908 (arm_constant_limit): New function.
909 (arm_override_options): Select the appropriate tuning model. Delete
910 initialization of arm_const_limit.
911 (arm_split_constant): Use the new constant-limit model.
912 (arm_rtx_costs): Pick up the current tuning model.
913 * arm.md (is_strongarm, is_xscale): Delete.
914 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
915 for Xscale variant architectures.
916 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
918 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
920 * config/arm/arm.c (arm_gen_constant): Remove unused variable
922 (arm_rtx_costs_1): Remove unused variable extra_cost.
923 (arm_unwind_emit_set): Use variable offset.
924 (thumb1_output_casesi): Remove unused variable flags.
926 2010-04-16 Jeff Law <law@redhat.com>
928 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
929 needing assignment rather than doing a two-phase assignment. Remove
932 2010-04-16 Jakub Jelinek <jakub@redhat.com>
935 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
937 2010-04-16 Doug Kwan <dougkwan@google.com>
939 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
940 (next_operand_entry_id): New static variable.
941 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
942 (add_to_ops_vec): Assigned unique ID to operand entry.
943 (struct oecount_s): New field ID.
944 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
945 (undistribute_ops_list): Assign unique IDs to oecounts.
946 (init_reassoc): reset next_operand_entry_id.
948 2010-04-16 Doug Kwan <dougkwan@google.com>
950 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
951 missing left parenthesis.
953 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
955 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
956 *btdi_rex64 using SWI48 mode iterator.
957 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
958 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
959 *jcc_btdi_mask_rex64.
961 2010-04-16 Anatoly Sokolov <aesok@post.ru>
963 * double-int.h (tree_to_double_int): Convert to macro.
964 * double-int.c (tree_to_double_int): Remove.
966 2010-04-16 Jakub Jelinek <jakub@redhat.com>
969 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
970 with want_address 2 and in case a single element list might be
971 possible, call it again with want_address 0.
973 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
975 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
976 case 'W' print operands for HI mode.
977 * config/h8300/h8300.h (Y0, Y2) : New constraints.
978 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
979 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
980 * config/h8300/predicate.md (bit_register_indirect_operand): New.
982 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
984 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
985 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
986 #xx:3 and #xx:4 mode.
988 * config/h8300/h8300.md (inverted load with HImode dest): Add
991 * config/h8300/predicate.md (bit_operand): Allow immediate values that
992 satisfy 'U' constraint.
994 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
996 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
997 * configure: Regenerate.
998 * config.in: Regenerate.
999 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1002 2010-04-16 Richard Guenther <rguenther@suse.de>
1004 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1005 (struct tree_decl_common): ... here.
1006 (DECL_PT_UID): Adjust.
1007 (SET_DECL_PT_UID): Likewise.
1008 (DECL_PT_UID_SET_P): Likewise.
1010 2010-04-16 Richard Guenther <rguenther@suse.de>
1012 PR tree-optimization/43572
1013 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1014 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1015 * tree-flow.h (is_call_clobbered): Remove.
1016 * tree-flow-inline.h (is_call_clobbered): Likewise.
1017 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1018 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1019 (execute_return_slot_opt): Adjust.
1020 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1021 check for call clobbered vars here.
1022 (find_tail_calls): Move tailcall verification to the
1025 2010-04-16 Diego Novillo <dnovillo@google.com>
1027 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1029 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1032 * config/arm/arm.md (cbranchqi4): New pattern.
1033 * config/arm/predicates.md (const0_operand,
1034 cbranchqi4_comparison_operator): New predicates.
1036 2010-04-16 Richard Guenther <rguenther@suse.de>
1038 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1039 (dump_gimple_stmt): Likewise.
1041 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1043 * recog.h (struct recog_data): New field is_operator.
1044 (struct insn_operand_data): New field is_operator.
1045 * recog.c (extract_insn): Set recog_data.is_operator.
1046 * genoutput.c (output_operand_data): Emit code to set the
1048 * reload.c (find_reloads): Use it rather than testing for an
1049 empty constraint string.
1052 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1053 If the previous insn is a cbranchsi4_insn with the same arguments,
1054 omit the compare instruction.
1056 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1057 register, inputs must be low registers and we need a low register
1058 scratch. Handle alternative 2 like alternative 3.
1060 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1062 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1063 don't call get_addr on both. If one expression is a VALUE and
1064 the other a REG, check VALUE's locs if the REG isn't among them.
1066 2010-04-16 Christian Bruel <christian.bruel@st.com>
1068 * config/sh/sh.h (sh_frame_pointer_required): New function.
1069 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1070 (flag_omit_frame_pointer) Set.
1071 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1072 (rounded_frame_size): Adjust size with outgoing_args_size.
1073 (sh_set_return_address): Must return from stack pointer.
1074 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1075 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1076 (ACCUMULATE_OUTGOING_ARGS): Define.
1077 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1078 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1080 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1083 * config/sh/sh.c (sh_legitimize_reload_address): Use
1084 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1085 Remove a unneeded check for offset_base.
1087 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1089 * configure: Regenerated.
1091 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1093 * config/s390/s390.c (s390_call_save_register_used): Switch back
1094 to HARD_REGNO_NREGS.
1096 2010-04-15 Richard Guenther <rguenther@suse.de>
1098 * alias.c (alias_set_subset_of): Handle alias-set zero
1101 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1102 Julian Brown <julian@codesourcery.com>
1104 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1105 alternatives according to use of high and low regs.
1106 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1107 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1108 optimizing for size on Thumb-2.
1110 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1112 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1114 2010-04-15 Richard Guenther <rguenther@suse.de>
1116 * tree-ssa-structalias.c (struct variable_info): Add
1118 (new_var_info): Initialize it.
1119 (dump_constraints): Support printing last added constraints.
1120 (debug_constraints): Adjust.
1121 (dump_constraint_graph): Likewise.
1122 (make_heapvar_for): Check for NULL cfun.
1123 (get_function_part_constraint): New function.
1124 (get_fi_for_callee): Likewise.
1125 (find_func_aliases): Properly implement IPA PTA constraints.
1126 (process_ipa_clobber): New function.
1127 (find_func_clobbers): Likewise.
1128 (insert_into_field_list_sorted): Remove.
1129 (create_function_info_for): Properly allocate vars for IPA mode.
1130 Do not use insert_into_field_list_sorted.
1131 (create_variable_info_for): Properly generate constraints for
1132 global vars in IPA mode.
1133 (dump_solution_for_var): Always dump the solution.
1134 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1135 (find_what_var_points_to): Adjust.
1136 (pt_solution_set): Change.
1137 (pt_solution_ior_into): New function.
1138 (pt_solution_empty_p): Export.
1139 (pt_solution_includes_global): Adjust.
1140 (pt_solution_includes_1): Likewise.
1141 (pt_solutions_intersect_1): Likewise.
1142 (dump_sa_points_to_info): Check some invariants.
1143 (solve_constraints): Move constraint dumping ...
1144 (compute_points_to_sets): ... here.
1145 (ipa_pta_execute): ... and here.
1146 (compute_may_aliases): Do not re-compute points-to info
1147 locally if IPA info is available.
1148 (ipa_escaped_pt): New global var.
1149 (ipa_pta_execute): Properly implement IPA PTA.
1150 * tree-into-ssa.c (dump_decl_set): Support dumping
1151 decls not in referenced-vars.
1152 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1153 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1154 (dump_points_to_solution): Likewise.
1155 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1156 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1157 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1158 (copy_decl_to_var): Copy DECL_PT_UID.
1159 (copy_result_decl_to_var): Likewise.
1160 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1161 (copy_node_stat): Copy it.
1162 * tree.h (DECL_PT_UID): New macro.
1163 (SET_DECL_PT_UID): Likewise.
1164 (DECL_PT_UID_SET_P): Likewise.
1165 (struct tree_decl_minimal): Add pt_uid member.
1166 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1167 (pt_solution_empty_p): Declare.
1168 (pt_solution_set): Adjust.
1169 (ipa_escaped_pt): Declare.
1170 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1171 * gimple-pretty-print.c (pp_points_to_solution): New function.
1172 (dump_gimple_call): Dump call clobber/use information.
1173 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1174 * tree-pass.h (TDF_ALIAS): New dump option.
1175 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1176 * doc/invoke.texi (-fipa-pta): Update documentation.
1178 2010-04-15 Richard Guenther <rguenther@suse.de>
1180 * Makefile.in (OBJS-common): Add gimple-fold.o.
1181 (gimple-fold.o): New rule.
1182 * tree.h (maybe_fold_offset_to_reference,
1183 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1185 * gimple.h: ... here.
1186 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1187 may_propagate_address_into_dereference): Move prototypes ...
1188 * gimple.h: ... here.
1189 * tree-ssa-ccp.c (get_symbol_constant_value,
1190 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1191 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1192 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1193 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1194 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1195 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1196 gimplify_and_update_call_from_tree): Move ...
1197 * gimple-fold.c: ... here. New file.
1198 (ccp_fold_builtin): Rename to ...
1199 (gimple_fold_builtin): ... this.
1200 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1202 2010-04-15 Richard Guenther <rguenther@suse.de>
1204 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1205 fit_double_type, force_fit_type_double, add_double_with_sign,
1206 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1207 lrotate_double, rrotate_double, div_and_round_double): Move ...
1208 * double-int.c: ... here.
1209 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1210 add_double, neg_double, mul_double_with_sign, mul_double,
1211 lshift_double, rshift_double, lrotate_double, rrotate_double,
1212 div_and_round_double): Move prototypes ...
1213 * double-int.h: ... here.
1215 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1218 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1219 matching constraints to ensure inputs match the output.
1221 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1224 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1225 in an input-only operand.
1227 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1229 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1230 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1231 (double_int_negative_p): Convert to static inline function.
1232 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1233 (double_int_negative_p): Remove.
1234 * tree.h (lshift_double, rshift_double):
1235 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1236 * fold-const.c (fold_convert_const_int_from_real,
1237 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1238 (lshift_double): Change type of arith argument to bool.
1239 (rshift_double): Change type of arith argument to bool. Correct
1241 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1243 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1246 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1247 at the start and end of the then/else blocks, and omit them from the
1249 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1250 argument; all callers changed. Pass zero to old_insns_match_p instead.
1251 (flow_find_head_matching_sequence): New function.
1252 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1253 * basic-block.h (flow_find_cross_jump,
1254 flow_find_head_matching_sequence): Declare functions.
1256 2010-04-14 Jason Merrill <jason@redhat.com>
1259 * c-common.c (attribute_takes_identifier_p): New fn.
1260 * c-common.h: Declare it.
1262 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1264 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1266 (*udivmod<mode>4): Ditto.
1268 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1270 * config/i386/i386.md (maxmin_int): Rename code attribute from
1271 maxminiprefix and update all users.
1272 (maxmin_float): Ditto from maxminfprefix.
1273 (logic): Ditto from logicprefix.
1274 (absneg_mnemonic): Ditto from absnegprefix.
1275 * config/i386/mmx.md: Update all users of maxminiprefix,
1276 maxminfprefix and logicprefix for rename.
1277 * config/i386/sse.md: Ditto.
1278 * config/i386/sync.md (sync_<code><mode>): Update for
1281 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1284 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1285 warnings converted to errors.
1287 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1289 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1290 used insn_type variable.
1291 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1292 to avoid set-but-not-used warning.
1294 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1296 * df-core.c (df_ref_debug): Change format string placeholder
1298 * dwarf2asm.c (dw2_asm_output_data_raw,
1299 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1300 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1301 * dwarf2out.c (output_cfi, output_cfi_directive,
1302 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1303 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1305 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1306 * print-rtl.c (print_rtx): Ditto.
1308 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1311 * builtins.c (expand_builtin_pow_root): New function to expand pow
1312 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1313 series of sqrt and cbrt calls under -ffast-math.
1314 (expand_builtin_pow): Call it.
1316 2010-04-14 Michael Matz <matz@suse.de>
1318 PR tree-optimization/42963
1319 * tree-cfg.c (touched_switch_bbs): New static variable.
1320 (group_case_labels_stmt): New function broken out from ...
1321 (group_case_labels): ... here, use the above.
1322 (start_recording_case_labels): Allocate touched_switch_bbs.
1323 (end_recording_case_labels): Deallocate it, call
1324 group_case_labels_stmt.
1325 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1327 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1329 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1332 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1334 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1336 2010-04-13 Jan Hubicka <jh@suse.cz>
1338 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1339 of optimized out static functions.
1340 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1341 cost computation. Also sanity check for overflows.
1342 (update_caller_keys): Update cgraph_edge_badness call; properly
1343 update fibheap and sanity check that it is up to date.
1344 (add_new_edges_to_heap): Update cgraph_edge_badness.
1345 (cgraph_decide_inlining_of_small_function): Likewise;
1346 add sanity checking that badness in heap is up to date;
1347 improve dumping of reason; Update badness of calls to the
1348 offline copy of function currently inlined; dump badness
1349 of functions not inlined because of unit growth limits.
1351 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1354 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1355 because of sign-extension change when converting to sizetype here...
1356 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1358 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1359 the folding to constants. Remove redundant final conversion.
1360 (fold_binary) <associate>: Do not associate if the re-association of
1361 constants alone overflows.
1362 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1363 to the end of the list.
1364 (multiple_of_p) <COND_EXPR>: New case.
1366 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1368 * opt-functions.awk (opt_sanitized_name): New.
1370 * optc-gen.awk: Use it
1371 * opth-gen.awk: Use it.
1373 2010-04-13 Martin Jambor <mjambor@suse.cz>
1375 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1376 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1377 children. Call replace_uses_with_default_def_ssa_name to handle
1380 2010-04-13 Michael Matz <matz@suse.de>
1383 * builtins.c (expand_builtin_interclass_mathfn): Also create
1384 a register if the predicate doesn't match.
1386 2010-04-13 Diego Novillo <dnovillo@google.com>
1388 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1389 * c-pch.c: Include timevar.h.
1390 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1391 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1392 * ggc-common.c: Include timevar.h.
1393 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1394 * timevar.def (TV_PCH_SAVE): Define.
1395 (TV_PCH_CPP_SAVE): Define.
1396 (TV_PCH_PTR_REALLOC): Define.
1397 (TV_PCH_PTR_SORT): Define.
1398 (TV_PCH_RESTORE): Define.
1399 (TV_PCH_CPP_RESTORE): Define.
1401 2010-04-13 Michael Matz <matz@suse.de>
1403 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1405 (can_reassociate_p): New function.
1406 (break_up_subtract_bb, reassociate_bb): Use it.
1408 2010-04-13 Richard Guenther <rguenther@suse.de>
1411 * builtins.c (c_readstr): Fix assert.
1413 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1415 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1416 when generating cltd insn.
1418 (*ashl<mode>3_1): Remove special handling for register operand 2.
1419 (*ashlsi3_1_zext): Ditto.
1420 (*ashlhi3_1): Ditto.
1421 (*ashlhi3_1_lea): Ditto.
1422 (*ashlqi3_1): Ditto.
1423 (*ashlqi3_1_lea): Ditto.
1424 (*<shiftrt_insn><mode>3_1): Ditto.
1425 (*<shiftrt_insn>si3_1_zext): Ditto.
1426 (*<shiftrt_insn>qi3_1_slp): Ditto.
1427 (*<rotate_insn><mode>3_1): Ditto.
1428 (*<rotate_insn>si3_1_zext): Ditto.
1429 (*<rotate_insn>qi3_1_slp): Ditto.
1431 2010-04-13 Richard Guenther <rguenther@suse.de>
1433 * tree-ssa-structalias.c (callused_id): Remove.
1434 (call_stmt_vars): New.
1435 (get_call_vi): Likewise.
1436 (lookup_call_use_vi): Likewise.
1437 (lookup_call_clobber_vi): Likewise.
1438 (get_call_use_vi): Likewise.
1439 (get_call_clobber_vi): Likewise.
1440 (make_transitive_closure_constraints): Likewise.
1441 (handle_const_call): Adjust to do per-call call-used handling.
1442 (handle_pure_call): Likewise.
1443 (find_what_var_points_to): Remove general callused handling.
1444 (init_base_vars): Likewise.
1445 (init_alias_vars): Initialize call_stmt_vars.
1446 (compute_points_to_sets): Process call-used and call-clobbered
1447 vars for call statements.
1448 (delete_points_to_sets): Free call_stmt_vars.
1450 2010-04-13 Richard Guenther <rguenther@suse.de>
1452 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1453 Only add RW dependence for dependence distance zero.
1454 Adjust maximal vectorization factor according to dependences.
1455 Move alignment handling ...
1456 (vect_find_same_alignment_drs): ... here. New function.
1457 (vect_analyze_data_ref_dependences): Adjust.
1458 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1459 (vect_analyze_data_refs): Adjust minimal vectorization factor
1460 according to data references.
1461 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1462 dependences before determining the vectorization factor.
1463 Analyze alignment after determining the vectorization factor.
1464 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1465 dependences before alignment.
1466 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1468 (vect_analyze_data_refs): Likewise.
1469 (MAX_VECTORIZATION_FACTOR): New define.
1471 2010-04-13 Duncan Sands <baldrick@free.fr>
1473 * except.h (lang_eh_type_covers): Remove.
1474 * except.c (lang_eh_type_covers): Likewise.
1476 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1477 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1479 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1480 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1481 UNITS_PER_LONG where it is ABI relevant.
1482 (s390_return_addr_rtx): Likewise.
1483 (s390_back_chain_rtx): Likewise.
1484 (s390_frame_area): Likewise.
1485 (s390_frame_info): Likewise.
1486 (s390_initial_elimination_offset): Likewise.
1487 (save_gprs): Likewise.
1488 (s390_emit_prologue): Likewise.
1489 (s390_emit_epilogue): Likewise.
1490 (s390_function_arg_advance): Likewise.
1491 (s390_function_arg): Likewise.
1492 (s390_va_start): Likewise.
1493 (s390_gimplify_va_arg): Likewise.
1494 (s390_function_profiler): Likewise.
1495 (s390_optimize_prologue): Likewise.
1496 (s390_rtx_costs): Likewise.
1497 (s390_secondary_reload): Likewise.
1498 (s390_promote_function_mode): Likewise.
1499 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1500 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1501 registers available.
1502 (s390_unwind_word_mode): New function.
1503 (s390_function_value): Split 64 bit values into register pair if
1504 used as return value.
1505 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1506 function call parameters. Handle parallels.
1507 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1508 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1509 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1510 (s390_expand_setmem): Remove unused variable src_addr.
1511 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1512 deal with 64 bit registers.
1513 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1514 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1515 (UNITS_PER_LONG): New macro.
1516 * libjava/include/s390-signal.h: Define extended ucontext
1517 structure containing the upper halfs of the 64 bit registers.
1519 2010-04-13 Simon Baldwin <simonb@google.com>
1521 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1523 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1525 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1526 rvalue on the RHS if the LHS is of a non-renamable type.
1527 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1529 2010-04-13 Matthias Klose <doko@ubuntu.com>
1531 * gcc.c (cc1_options): Handle -iplugindir before processing
1532 the cc1 spec. Only add -iplugindir once.
1533 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1535 * common.opt (iplugindir): Remove `Separate' property, initialize.
1536 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1538 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1539 (distclean): Remove plugin dir.
1540 * doc/invoke.texi: Document -iplugindir.
1542 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1544 * doc/plugins.texi (Loading Plugins): Document short
1545 -fplugin=foo option.
1546 (Plugin API): Mention default_plugin_dir_name function.
1548 * gcc.c (find_file_spec_function): Add new declaration.
1549 (static_spec_func): Use it for "find-file".
1550 (find_file_spec_function): Add new function.
1551 (cc1_options): Add -iplugindir option if -fplugin* options found.
1553 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1555 * plugin.c (add_new_plugin): Updated comment, and handle short
1557 (default_plugin_dir_name): Added new function.
1559 * common.opt (iplugindir): New option to set the plugin directory.
1561 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1563 * config/i386/i386.md (any_rotate): New code iterator.
1564 (rotate_insn): New code attribute.
1566 (SWIM124): New mode iterator.
1567 (<rotate_insn>ti3): New expander.
1568 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1569 any_rotate code iterator.
1570 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1571 using any_rotate code iterator and SWIM124 mode iterator.
1572 (ix86_rotlti3): New insn_and_split pattern.
1573 (ix86_rotrti3): Ditto.
1574 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1575 ix86_rotl{di,ti}3 patterns.
1576 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1577 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1578 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1579 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1580 code iterator and SWI mode iterator.
1581 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1582 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1584 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1585 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1586 (bswap rotatert splitter): Add splitter.
1587 (bswap splitter): Macroize splitter using any_rotate code iterator.
1588 Add insn predicate to split only for TARGET_USE_XCHGB or when
1589 optimizing function for size.
1591 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1593 * config/pa/pa.c (emit_move_sequence): Remove use of
1594 deleted variable flag_argument_noalias.
1596 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1598 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1600 Add to unsupported targets list.
1601 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1602 sparc*-sun-solaris2.[567]* from target lists.
1603 * configure: Regenerate.
1604 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1606 Remove Solaris 7 patch references.
1607 (Specific, sparc-sun-solaris2.7): Removed.
1608 (sparc-sun-solaris2*): Update Solaris 7 example.
1609 (sparc64-*-solaris2*): Likewise.
1611 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1613 * config.build (alpha*-dec-osf4*): Remove.
1614 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1615 of obsolete configurations.
1616 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1618 * config/alpha/t-osf4: Renamed to ...
1619 * config/alpha/t-osf5: ... this.
1620 * config/alpha/osf.h: Renamed to ...
1621 * config/alpha/osf5.h: ... this.
1622 Merged old osf5.h contents.
1624 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1625 (EXTRA_SPECS): Removed.
1626 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1627 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1630 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1632 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1634 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1637 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1638 __thiscall convention.
1640 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1642 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1644 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1646 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1648 * function.c (assign_parms_initialize_all): Add unused attribute
1651 2010-04-12 Richard Guenther <rguenther@suse.de>
1653 * gsstruct.def (GSS_CALL): New.
1654 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1655 * gimple.h: Include tree-ssa-alias.h.
1656 (struct gimple_statement_call): New.
1657 (union gimple_statement_struct_d): Add gimple_call member.
1658 (gimple_call_reset_alias_info): Declare.
1659 (gimple_call_use_set): New function.
1660 (gimple_call_clobber_set): Likewise.
1661 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1662 * gimple.c (gimple_call_reset_alias_info): New function.
1663 (gimple_build_call_1): Call it.
1664 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1665 * tree-inline.c (remap_gimple_stmt): Likewise.
1666 (expand_call_inline): Remove callused handling.
1667 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1668 * tree-dfa.c (dump_variable): Likewise.
1669 * tree-parloops.c (parallelize_loops): Likewise.
1670 * tree-ssa.c (init_tree_ssa): Likewise.
1671 (delete_tree_ssa): Likewise.
1672 * tree-flow-inline.h (is_call_used): Remove.
1673 * tree-flow.h (struct gimple_df): Remove callused member.
1674 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1675 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1676 (ref_maybe_used_by_call_p_1): Simplify.
1677 (call_may_clobber_ref_p_1): Likewise.
1678 * tree-ssa-structalias.c (compute_points_to_sets): Set
1679 the call stmt used and clobbered sets.
1680 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1681 (find_tail_calls): Verify the tail call.
1683 2010-04-12 Richard Guenther <rguenther@suse.de>
1685 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1686 single-iteration always-inline inlining.
1687 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1688 (cgraph_decide_inlining): Do not handle always-inline specially.
1689 (try_inline): Remove always-inline cycle detection special case.
1690 Do not recurse on always-inlines.
1691 (cgraph_early_inlining): Do not iterate if not optimizing.
1692 (cgraph_gate_early_inlining): remove.
1693 (pass_early_inline): Run unconditionally.
1694 (gate_cgraph_decide_inlining): New function.
1695 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1696 not inlining or optimizing.
1697 (cgraph_decide_inlining_of_small_functions): Also consider
1698 always-inline functions.
1699 (cgraph_default_inline_p): Return true for nodes which should
1700 disregard inline limits.
1701 (estimate_function_body_sizes): Assume zero size and time for
1702 nodes which are marked as disregarding inline limits.
1703 (cgraph_decide_recursive_inlining): Do not perform recursive
1704 inlining on always-inline nodes.
1706 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1709 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1710 for exprs satisfying handled_component_p.
1712 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1714 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1715 non-constant aggregate elements.
1717 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1718 is a real initialization.
1720 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1723 * c-decl.c (start_function): Move forward check for nested function.
1725 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1727 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1728 * config/sh/sh.c: Include reload.h.
1729 (sh_legitimize_reload_address): New.
1730 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1731 sh_legitimize_reload_address.
1733 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1735 * config/sh/sh.md (*movqi_pop): New insn pattern.
1736 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1738 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1740 * config/i386/i386.md (any_shiftrt): New code iterator.
1741 (shiftrt_insn): New code attribute.
1743 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1744 using any_shiftrt code iterator.
1745 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1746 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1747 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1748 pattern from corresponding peephole2 patterns.
1749 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1750 using any_shiftrt code iterator.
1751 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1752 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1753 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1754 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1755 *{ashr,lshr}<mode>3_cmp_zext.
1756 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1758 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1760 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1762 (*lshr<mode>3_cconly): Ditto.
1764 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1766 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1767 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1768 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1769 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1771 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1772 from corresponding peephole2 patterns.
1773 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1774 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1775 and *lshrdi3_1_rex64 using SWI mode iterator.
1776 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1777 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1778 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1779 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1780 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1781 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1782 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1783 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1784 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1787 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1789 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1790 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1791 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1792 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1794 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1795 from corresponding peephole2 patterns.
1796 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1797 (ashrsi3_cvt): Rename from ashrsi3_31.
1798 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1799 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1800 and x86_64_shift_adj_3 using SWI48 mode iterator.
1801 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1802 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1803 and *ashrdi3_1_rex64 using SWI mode iterator.
1804 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1805 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1806 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1807 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1808 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1809 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1810 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1811 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1812 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1814 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1815 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1816 x86_shift<mode>_adj_3 expanders.
1818 2010-04-10 Wei Guozhi <carrot@google.com>
1821 * config/arm/arm.c (arm_pic_static_addr): New function.
1822 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1824 (arm_output_addr_const_extra): Output expression for new pattern.
1825 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1827 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1829 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1832 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1833 * web.c: Include "insn-config.h" and "recog.h".
1834 (union_match_dups): New function.
1835 (web_main): Call it.
1836 (union_defs): Don't try to recognize match_dups.
1838 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1839 if doing so would replace the entire pattern.
1841 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1845 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1846 and splitter pattern. Change splitter operand 1 predicate to
1849 2010-04-09 Martin Jambor <mjambor@suse.cz>
1851 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1852 lattices are addresses of CONST_DECLs with the same initial value.
1853 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1854 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1856 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1857 Bernd Schmidt <bernds@codesourcery.com>
1859 * loop-invariant.c (replace_uses): New static function.
1860 (move_invariant_reg): Use it to ensure we can replace the uses.
1862 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1864 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1866 (picochip_override_options): Enable section anchors only above -O1.
1867 (picochip_reorg): Fixed a couple of build warnings.
1869 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1871 * configure.ac (plugin -rdynamic test): Log result.
1872 * configure: Regenerate.
1873 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1874 (RDYNAMIC_SPEC): Define.
1875 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1877 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1879 * configure.ac: Determine Sun ld version numbers.
1880 (comdat_group): Restrict GNU ld version checks to gld.
1881 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1882 (enable_comdat): Support --enable-comdat.
1883 * configure: Regenerate.
1884 * doc/install.texi (Configuration): Document --enable-comdat.
1886 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1888 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1889 * config/sol2-gld.h: ... here.
1890 * config.gcc (sparc*-*-solaris2*): Reflect this.
1891 (i[34567]86-*-solaris2*): Use it.
1893 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1895 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1897 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1899 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1902 * diagnostic.c (diagnostic_initialize): Initialize
1903 some_warnings_are_errors.
1904 (diagnostic_finish): New.
1905 (diagnostic_action_after_output): Call it before exiting.
1906 (diagnostic_report_diagnostic): Do not print message here. Set
1907 some_warnings_are_errors.
1908 * diagnostic.h (diagnostic_context): Delete
1909 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1910 (diagnostic_finish): Declare.
1911 * toplev.c (toplev_main): Call it before exit.
1913 2010-04-09 Jason Merrill <jason@redhat.com>
1916 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1917 for incomplete type.
1920 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1921 based on a warning flag.
1923 2010-04-09 Richard Guenther <rguenther@suse.de>
1925 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1927 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1930 * varasm.c (default_assemble_visibility): Wrap vars that are
1931 set, but unused, by targets without GAS.
1932 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1933 Remove set, but unused, vars.
1934 (rs6000_legitimize_tls_address): Likewise.
1935 (altivec_expand_dst_builtin): Likewise.
1936 * config/darwin.c (machopic_classify_symbol): Likewise.
1937 (machopic_indirection_name): Likewise.
1939 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1941 * config/i386/i386.md (DWI): New mode iterator.
1942 (S): New mode attribute.
1943 (shift_operand): Ditto.
1944 (shift_immediate_operand): Ditto.
1945 (ashl_input_operand): Ditto.
1946 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1947 using SDWIM mode iterator.
1948 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1949 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1951 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1952 from corresponding peephole2 patterns.
1953 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1954 and x86_64_shift_adj_1 using SWI48 mode iterator.
1955 (x86_shift<mode>_adj_2): Ditto.
1956 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1957 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1958 using SWI48 mode iterator.
1959 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1960 *ashldi3_cmp_rex64 using SWI mode iterator.
1961 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1962 *ashldi3_cconly_rex64 using SWI mode iterator.
1963 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1964 x86_shift<mode>_adj_{1,2}.
1965 (ix86_split_ashr): Ditto.
1966 (ix86_split_lshr): Ditto.
1968 2010-04-09 Richard Guenther <rguenther@suse.de>
1970 * target.h (builtin_conversion): Pass in input and output types.
1971 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1972 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1973 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1974 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1976 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1978 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1980 2010-04-09 Richard Guenther <rguenther@suse.de>
1983 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1985 2010-04-09 Richard Guenther <rguenther@suse.de>
1987 * tree-vectorizer.h (struct _stmt_vec_info): Document
1988 that vectype is the type of the LHS.
1989 (supportable_widening_operation, supportable_narrowing_operation):
1990 Get both input and output vector types as arguments.
1991 (vect_is_simple_use_1): Declare.
1992 (get_same_sized_vectype): Likewise.
1993 * tree-vect-loop.c (vect_determine_vectorization_factor):
1994 Set STMT_VINFO_VECTYPE to the vector type of the def.
1995 (vectorizable_reduction): Adjust.
1996 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1997 Adjust. Specify the output vector type.
1998 (vect_pattern_recog_1): Adjust.
1999 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2000 (vectorizable_call): Adjust.
2001 (vectorizable_conversion): Likewise.
2002 (vectorizable_operation): Likewise.
2003 (vectorizable_type_demotion): Likewise.
2004 (vectorizable_type_promotion): Likewise.
2005 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2007 (vect_is_simple_use_1): New function.
2008 (supportable_widening_operation): Get both input and output
2010 (supportable_narrowing_operation): Likewise.
2011 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2013 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2015 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2016 __thiscall and _thiscall as predefined macros.
2017 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2018 thiscall attribute handling.
2019 (ix86_comp_type_attributes): Likewise.
2020 (ix86_function_regparm): Likewise.
2021 (ix86_return_pops_args): Likewise.
2022 (init_cumulative_args): Likewise.
2023 (find_drap_reg): Likewise.
2024 (ix86_static_chain): Likewise.
2025 (x86_this_parameter): Likewise.
2026 (x86_output_mi_thunk): Likewise.
2027 (ix86_attribute_table): Add description for thiscall attribute.
2028 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2029 * doc/extend.texi: Add documentation for thiscall.
2031 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2034 * c.opt (Wint-to-pointer-cast): Available in C++.
2035 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2037 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2039 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2040 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2041 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2042 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2043 function type instead. Reorder and simplify checks.
2045 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2047 2010-04-08 Jing Yu <jingyu@google.com>
2048 Zdenek Dvorak <ook@ucw.cz>
2050 PR tree-optimization/42720
2051 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2052 loop unswitch conditions here from ...
2053 (tree_unswitch_single_loop): ... here.
2055 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2057 * tree-if-conv.c: Fix comments and simplify logic.
2059 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2061 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2062 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2063 (main_tree_if_conversion): Update call to tree_if_conversion.
2065 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2068 * doc/invoke.texi (-b,-V): Delete.
2069 * doc/tm.texi: Do not mention -b.
2070 * gcc.c (display_help): Delete -b and -V.
2071 (process_command): Delete -b and -V.
2072 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2074 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2075 Wolfgang Gellerich <gellerich@de.ibm.com>
2077 Implement target hook for loop unrolling
2078 * target.h (loop_unroll_adjust): Add a new target hook function.
2079 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2080 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2081 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2082 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2083 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2085 (decide_unroll_stupid): Likewise.
2087 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2090 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2092 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2094 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2095 (Specific, *-*-solaris2*): Likewise.
2096 Don't prefer Sun as over GNU as.
2098 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2100 * config/s390/s390.c (override_options): Adjust the z10
2101 defaults for max-unroll-times, max-completely-peeled-insns
2102 and max-completely-peel-times.
2104 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2106 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2107 instructions for z10.
2108 (s390_expand_setmem): Likewise.
2109 (s390_expand_cmpmem): Likewise.
2111 2010-04-08 Richard Guenther <rguenther@suse.de>
2113 PR tree-optimization/43679
2114 * tree-ssa-pre.c (eliminate): Only propagate copies.
2116 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2119 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2120 set but not used variable warning.
2122 2010-04-08 Wei Guozhi <carrot@google.com>
2125 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2126 (arm_size_rtx_costs): Call the new function when optimized for size.
2128 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2131 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2132 op0 is not a MEM, just return NULL instead of assertion
2134 (discover_nonconstant_array_refs): Don't walk debug stmts.
2136 2010-04-08 Doug Kwan <dougkwan@google.com>
2138 * configure.ac: Recognize gold and do not use its version number
2139 to test ld features.
2140 * configure: Regenerate.
2142 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2145 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2146 (negate_value): Move code to push elements to broken_up_substracts ...
2147 (eliminate_plus_minus_pair): ... here. Push operands that have no
2148 negative pair to plus_negates.
2149 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2151 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2153 * doc/install.texi (Configuration): Move description of
2154 --enable-lto, --with-libelf*, --enable-gold from Java section to
2157 * doc/generic.texi (Working with declarations)
2158 (Function Properties, C and C++ Trees): Fix typos.
2159 * doc/sourcebuild.texi (Top Level): Likewise.
2161 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2164 * tree.h (DECL_READ_P): Define.
2165 (struct tree_decl_common): Add decl_read_flag.
2166 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2167 a set but not used warning.
2168 (merge_decls): Merge DECL_READ_P flag.
2169 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2170 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2171 * c-common.c (handle_used_attribute, handle_unused_attribute):
2173 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2175 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2177 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2178 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2179 c_parser_binary_expression, c_parser_cast_expression,
2180 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2181 Call default_function_array_read_conversion instead of
2182 default_function_array_conversion where needed.
2183 (c_parser_unary_expression, c_parser_conditional_expression,
2184 c_parser_postfix_expression_after_primary, c_parser_initelt):
2185 Likewise. Call mark_exp_read where needed.
2186 (c_parser_statement_after_labels, c_parser_asm_operands,
2187 c_parser_typeof_specifier, c_parser_sizeof_expression,
2188 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2190 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2192 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2193 (warn_unused_but_set_parameter): Default to warn_unused
2195 * doc/invoke.texi: Document -Wunused-but-set-variable and
2196 -Wunused-but-set-parameter.
2198 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2199 used count variable.
2200 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2201 when operandN variables aren't used in the body of the expander
2203 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2204 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2205 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2206 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2207 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2208 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2209 * tree.c (PROCESS_ARG): Likewise.
2211 2010-04-07 Simon Baldwin <simonb@google.com>
2213 * diagnostic.h (diagnostic_override_option_index): New macro to
2214 set a diagnostic's option_index.
2215 * c-tree.h (c_cpp_error): Add warning reason argument.
2216 * opts.c (_warning_as_error_callback): New.
2217 (register_warning_as_error_callback): Store callback for
2218 warnings enabled via enable_warning_as_error.
2219 (enable_warning_as_error): Call callback, minor code tidy.
2220 * opts.h (register_warning_as_error_callback): Declare.
2221 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2222 response to -Werror=.
2223 (c_common_init_options): Register warning_as_error_callback in opts.c.
2224 * common.opt: Add -Wno-cpp option.
2225 * c-common.c (struct reason_option_codes_t): Map cpp warning
2226 reason codes to gcc option indexes.
2227 * (c_option_controlling_cpp_error): New function, lookup the gcc
2228 option index for a cpp warning reason code.
2229 * (c_cpp_error): Add warning reason argument, call
2230 c_option_controlling_cpp_error for diagnostic_override_option_index.
2231 * doc/invoke.texi: Document -Wno-cpp.
2233 2010-04-07 Richard Guenther <rguenther@suse.de>
2235 * ipa-reference.c (mark_load): Use get_base_address.
2236 (mark_store): Likewise.
2238 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2239 inserting GIMPLE_NOPs into the IL.
2240 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2241 Explicitly strip handled components and indirect references.
2243 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2244 folding address expressions.
2245 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2246 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2247 operand_equal_p to compare decls.
2248 (ptr_deref_may_alias_decl_p): Likewise.
2249 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2250 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2251 Handle reversed comparison ops.
2252 * tree-sra.c (asm_visit_addr): Use get_base_address.
2253 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2254 * ipa-reference.c (mark_address): Use get_base_address.
2256 2010-04-07 Richard Guenther <rguenther@suse.de>
2258 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2259 Propagate constants everywhere.
2261 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2264 * tree.c (MAX_INT_CACHED_PREC): Define.
2265 (nonstandard_integer_type_cache): New array.
2266 (build_nonstandard_integer_type): Cache results for precision
2267 <= MAX_INT_CACHED_PREC.
2269 2010-04-07 Richard Guenther <rguenther@suse.de>
2271 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2272 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2273 * common.opt: Likewise.
2274 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2275 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2276 (nonoverlapping_memrefs_p): Likewise.
2277 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2278 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2279 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2280 OPT_fargument_noalias_global for backward compatibility.
2282 2010-04-07 Richard Guenther <rguenther@suse.de>
2284 PR tree-optimization/43270
2285 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2286 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2287 * tree-ssa-pre.c (phi_translate_1): Adjust.
2288 (fully_constant_expression): Split out vn_reference handling to ...
2289 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2290 Fold reads from constant strings.
2291 (vn_reference_lookup): Handle fully constant references.
2292 (vn_reference_lookup_pieces): Likewise.
2293 * Makefile.in (expmed.o-warn): Add -Wno-error.
2295 2010-04-07 Martin Jambor <mjambor@suse.cz>
2297 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2299 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2302 * gcc.c: Add -static-libstdc++ to list of recognized options.
2304 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2306 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2308 2010-04-07 Richard Guenther <rguenther@suse.de>
2311 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2312 bases build simple mem attributes to retain points-to information.
2314 2010-04-07 Richard Guenther <rguenther@suse.de>
2317 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2318 preserve points-to related information.
2320 2010-04-07 Richard Guenther <rguenther@suse.de>
2323 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2324 discard plain indirect references.
2325 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2326 * tree.c (tree_nop_conversion): Likewise.
2328 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2331 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2333 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2335 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2336 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2338 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2340 * tree-if-conv.c: Fix indentation and comments.
2342 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2344 * tree-if-conv.c: Sort static functions in topological order.
2346 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2348 * tree-if-conv.c: Fix indentation and comments.
2350 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2353 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2354 lang_hooks.types.type_for_size instead of
2355 build_nonstandard_integer_type.
2356 When converting an unsigned type to signed, double its precision.
2357 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2358 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2359 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2362 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2365 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2366 POINTER_PLUS_EXPR for pointer types.
2368 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2371 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2372 * graphite-clast-to-gimple.c: Include langhooks.h.
2373 (max_signed_precision_type): New.
2374 (max_precision_type): Takes two types as arguments.
2375 (precision_for_value): New.
2376 (precision_for_interval): New.
2377 (gcc_type_for_interval): New.
2378 (gcc_type_for_value): New.
2379 (gcc_type_for_clast_term): New.
2380 (gcc_type_for_clast_red): New.
2381 (gcc_type_for_clast_bin): New.
2382 (gcc_type_for_clast_expr): Split up into several functions.
2383 (gcc_type_for_clast_eq): Rewritten.
2384 (compute_bounds_for_level): New.
2385 (compute_type_for_level_1): New.
2386 (compute_type_for_level): New.
2387 (gcc_type_for_cloog_iv): Removed.
2388 (gcc_type_for_iv_of_clast_loop): Rewritten.
2389 (graphite_create_new_loop): Compute the lower and upper bound types
2390 with gcc_type_for_clast_expr.
2391 (graphite_create_new_loop_guard): Same.
2392 (find_cloog_iv_in_expr): Removed.
2393 (compute_cloog_iv_types_1): Removed.
2394 (compute_cloog_iv_types): Removed.
2395 (gloog): Do not call compute_cloog_iv_types.
2396 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2398 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2399 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2400 (GBB_CLOOG_IV_TYPES): Removed.
2402 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2404 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2405 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2406 (detect_commutative_reduction): Same.
2408 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2410 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2411 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2413 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2414 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2415 (rewrite_commutative_reductions_out_of_ssa): Same.
2416 * passes.c (execute_function_todo): Call verify_ssa for every pass
2417 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2418 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2419 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2420 with an extra argument.
2421 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2422 verify_ssa only when the extra argument is true.
2423 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2424 with an extra argument.
2425 (tree_transform_and_unroll_loop): Same.
2427 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2429 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2430 for all the passes of the LNO having LOOP_CLOSED_SSA.
2431 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2432 * tree-loop-distribution.c (pass_loop_distribution): Same.
2433 * tree-pass.h (TODO_verify_loops): Removed.
2434 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2436 (pass_tree_unswitch): Same.
2437 (pass_predcom): Same.
2438 (pass_vectorize): Same.
2439 (pass_linear_transform): Same.
2440 (pass_graphite_transforms): Same.
2441 (pass_iv_canon): Same.
2442 (pass_complete_unroll): Same.
2443 (pass_complete_unrolli): Same.
2444 (pass_parallelize_loops): Same.
2445 (pass_loop_prefetch): Same.
2446 (pass_iv_optimize): Same.
2448 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2451 * passes.c (init_optimization_passes): Move pass_lim before
2452 pass_copy_prop and pass_dce_loop.
2454 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2457 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2458 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2459 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2460 MULTI_* defines for 4 argument vpermil2p* builtins.
2462 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2464 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2465 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2466 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2467 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2468 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2469 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2470 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2471 Use x86_maybe_negate_const_int to output insn mnemonic.
2472 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2473 check from instruction predicate. Update comments.
2474 * config/i386/sync.md (sync_add<mode>): Use
2475 x86_maybe_negate_const_int to output insn mnemonic.
2477 2010-04-06 Jan Hubicka <jh@suse.cz>
2479 PR tree-optimization/42906
2480 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2481 IGNORE_SELF argument. Set visited_control_parents for fully
2483 (find_obviously_necessary_stmts): Update call of
2484 mark_control_dependent_edges_necessary.
2485 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2487 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2489 * config/i386/i386.md: Remove comment about 'e' and 'E'
2492 2010-04-06 Richard Guenther <rguenther@suse.de>
2494 PR tree-optimization/43627
2495 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2496 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2499 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2501 * BASE-VER: Change to 4.6.0.
2504 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2507 2010-04-06 Richard Guenther <rguenther@suse.de>
2510 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2512 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2514 * doc/invoke.texi (Optimize Options): Document that LTO
2515 won't remove object access purely due to incompatible
2518 2010-04-04 Matthias Klose <doko@ubuntu.com>
2520 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2521 Initialize variable.
2523 2010-04-03 Richard Guenther <rguenther@suse.de>
2526 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2527 require a non-NULL MEM_OFFSET.
2529 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2531 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2532 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2533 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2534 config/alpha/predicates.md, config/arm/arm.md,
2535 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2536 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2537 config/darwin9.h, config/darwin.c, config/darwin.h,
2538 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2539 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2540 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2541 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2542 config/mips/mips.md, config/mn10300/mn10300.c,
2543 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2544 config/rs6000/aix.h, config/rs6000/dfp.md,
2545 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2546 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2547 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2548 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2549 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2550 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2551 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2552 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2553 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2554 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2555 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2556 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2557 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2558 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2559 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2560 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2561 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2562 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2563 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2564 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2565 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2566 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2567 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2568 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2569 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2570 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2571 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2572 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2573 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2574 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2575 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2576 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2577 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2578 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2579 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2580 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2582 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2585 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2586 * aclocal.m4: Regenerate.
2588 2010-04-02 Richard Guenther <rguenther@suse.de>
2590 PR tree-optimization/43629
2591 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2592 if we have seen a constant value.
2594 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2596 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2598 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2601 * arm.c (legitimize_tls_address): Adjust call to
2602 gen_tls_load_dot_plus_four.
2603 (arm_note_pic_base): New function.
2604 (arm_cannot_copy_insn_p): Use it.
2605 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2608 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2613 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2615 * Makefile.in ($(out_object_file)): Depend on
2616 gt-$(basename $(notdir $(out_file))).h.
2618 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2620 * config.gcc (lm32-*-rtems*): Add t-lm32.
2622 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2624 * config.gcc: Add lm32-*-rtems*.
2625 * config/lm32/rtems.h: New file.
2627 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2630 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2632 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2634 * dwarf2out.c (output_compilation_unit_header): For
2635 -gdwarf-4 use version 4 instead of version 3.
2636 (output_line_info): For version 4 and above emit additional
2637 maximum ops per insn header field.
2638 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2640 * dwarf2out.c (is_c_family, is_java): Remove.
2641 (lower_bound_default): New function.
2642 (add_bound_info, gen_descr_array_type_die): Use it.
2644 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2647 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2648 re-declaration when it happens in a function.
2650 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2652 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2653 (cgraph_remove_function_insertion_hook): Same.
2654 (cgraph_call_function_insertion_hooks): Same.
2656 2010-04-01 Richard Guenther <rguenther@suse.de>
2659 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2660 and TREE_THIS_VOLATILE.
2661 (copy_ref_info): Likewise.
2662 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2663 * tree.c (build6_stat): Ignore side-effects of all but arg5
2664 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2667 2010-04-01 Richard Guenther <rguenther@suse.de>
2669 PR tree-optimization/43607
2670 * ipa-type-escape.c (check_call): Do not access non-existing
2673 2010-04-01 Richard Guenther <rguenther@suse.de>
2677 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2678 Jack Howarth <howarth@bromo.med.uc.edu>
2680 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2683 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2685 * doc/install.texi (Prerequisites): Document libelf usability on
2686 IRIX 5/6 and Solaris 2.
2687 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2688 Update GNU as, GNU ld requirements.
2689 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2690 Document Sun Studio compiler download.
2691 Update and simplify as, ld recommendations.
2692 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2694 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2696 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2697 with_tune_32 to pentium4.
2699 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2701 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2703 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2705 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2706 obsoletion, removal.
2708 Document GNU as requirement.
2709 Update configure requirements.
2710 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2711 Recomment IRIX 6.5.18+.
2712 Document IDF/IDL requirement.
2713 Document GNU as requirement.
2714 Document GNU ld bootstrap failure.
2715 Remove freeware.sgi.com reference.
2717 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2719 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2720 UNIX V4.0, V5.0 obsoletion, removal.
2721 Remove --with-gc=simple reference.
2722 Update VM requirements during bootstrap.
2723 Remove -oldas bootstrap description.
2724 Update binutils reference.
2725 Remove comparison failure note.
2727 2010-03-31 Richard Guenther <rguenther@suse.de>
2728 Zdenek Dvorak <ook@ucw.cz>
2729 Sebastian Pop <sebastian.pop@amd.com>
2732 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2733 with multiple arguments.
2734 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2736 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2738 * graphite-dependences.c (print_pddr): Call print_pdr with an
2740 * graphite-poly.c (debug_pdr): Add an extra argument for the
2743 (print_pbb_domain): Same.
2745 (print_scop_context): Same.
2747 (print_cloog): Same.
2748 (debug_pbb_domain): Same.
2752 (debug_scop_context): Same.
2754 (debug_cloog): Same.
2755 (print_scop_params): Same.
2756 (debug_scop_params): Same.
2757 (print_iteration_domain): Same.
2758 (print_iteration_domains): Same.
2759 (debug_iteration_domain): Same.
2760 (debug_iteration_domains): Same.
2761 (print_scattering_function): Same.
2762 (print_scattering_functions): Same.
2763 (debug_scattering_function): Same.
2764 (debug_scattering_functions): Same.
2765 * graphite-poly.h (debug_pdr): Update declaration.
2767 (print_pbb_domain): Same.
2769 (print_scop_context): Same.
2771 (print_cloog): Same.
2772 (debug_pbb_domain): Same.
2776 (debug_scop_context): Same.
2778 (debug_cloog): Same.
2779 (print_scop_params): Same.
2780 (debug_scop_params): Same.
2781 (print_iteration_domain): Same.
2782 (print_iteration_domains): Same.
2783 (debug_iteration_domain): Same.
2784 (debug_iteration_domains): Same.
2785 (print_scattering_function): Same.
2786 (print_scattering_functions): Same.
2787 (debug_scattering_function): Same.
2788 (debug_scattering_functions): Same.
2790 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2792 * graphite-poly.c (print_scattering_function_1): New.
2793 (print_scattering_function): Call it.
2794 (print_scop_params): Remove spaces at the end of lines.
2797 * graphite-poly.h (print_cloog): Declared.
2798 (debug_cloog): Declared.
2800 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2802 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2804 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2805 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2806 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2807 to switch between adding the IV bump in loop->latch or in loop->header.
2809 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2811 * graphite-poly.c (print_scattering_function): Pretty print following
2814 (print_pbb_domain): Same.
2815 (dump_gbb_cases): Same.
2816 (dump_gbb_conditions): Same.
2819 (print_scop_params): Same.
2820 (print_scop_context): Same.
2822 (print_pbb_body): New.
2823 (lst_indent_to): New.
2824 (print_lst): Start new lines with a #.
2825 * graphite-poly.h (pbb_bb): New.
2826 (pbb_index): Use pbb_bb.
2827 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2829 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2831 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2833 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2834 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2835 and 0 instead of 1 for dw_val_class_flag.
2836 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2837 dw_val_class_range_list, dw_val_class_loc_list,
2838 dw_val_class_lineptr and dw_val_class_macptr, use
2839 DW_FORM_flag_present for dw_val_class_flag and
2840 DW_FORM_exprloc for dw_val_class_loc.
2841 (output_die): For -gdwarf-4 print dw_val_class_loc
2842 size as uleb128 instead of 1 or 2 bytes and don't print
2843 anything for dw_val_class_flag.
2845 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2846 instead of cselib_lookup following by tweaking locs->setting_insn.
2849 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2850 even before returning from label, setjmp call or volatile asm
2853 2010-03-31 Richard Guenther <rguenther@suse.de>
2856 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2857 temporary data on stack.
2859 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2861 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2862 (PUSHSECTION_ASM_OP): Remove.
2863 (POPSECTION_ASM_OP): Remove.
2864 (PUSHSECTION_FORMAT): Remove.
2865 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2866 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2867 * config/sol2.c (solaris_output_init_fini): Use it.
2869 2010-03-31 Jie Zhang <jie@codesourcery.com>
2872 * opt-functions.awk (var_type_struct): Use signed char type
2873 for simple variables.
2875 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2877 * config/sol2.c: Include output.h.
2878 (solaris_assemble_visibility): New function.
2879 * config/t-sol2 (sol2.o): Add output.h dependency.
2880 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2881 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2884 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2887 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2888 V2SImode or XFmode on PRE_DEC.
2891 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2894 2010-03-31 Jie Zhang <jie@codesourcery.com>
2897 * reload.h (caller_save_initialized_p): Declare.
2898 * toplev.c (backend_init_target): Don't call
2899 init_caller_save but set caller_save_initialized_p to false.
2900 * caller-save.c (caller_save_initialized_p): Define.
2901 (init_caller_save): Check caller_save_initialized_p.
2902 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2904 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2907 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2908 and soft-fp/t-softfp to tmake_file.
2909 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2910 (LIBGCC2_TF_CEXT): Define.
2913 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2916 * cselib.c (n_useless_values): Document handling of debug locs.
2917 (n_useless_debug_values, n_debug_values): New variables.
2918 (new_elt_loc_list): Don't add to debug values, keep count.
2919 (promote_debug_loc): New.
2920 (cselib_reset_table): Zero new variables.
2921 (entry_and_rtx_equal_p): Promote debug locs.
2922 (discard_useless_locs): Increment n_useless_debug_values for
2924 (remove_useless_values): Adjust n_useless_values and n_debug_values
2925 with n_useless_debug_values.
2926 (add_mem_for_addr): Promote debug locs.
2927 (cselib_lookup_mem): Likewise.
2928 (cselib_lookup_addr): Renamed to...
2929 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2930 (cselib_log_lookup): ... this. Turn into...
2931 (cselib_lookup_addr): ... new wrapper.
2932 (cselib_lookup_from_insn): New.
2933 (cselib_invalidate_regno): Increment n_useless_debug_values for
2935 (cselib_invalidate_mem): Likewise.
2936 (cselib_process_insn): Take n_deleted and n_debug_values into
2937 account to guard remove_useless_value call.
2938 (cselib_finish): Zero n_useless_debug_values.
2939 * cselib.h (cselib_lookup_from_insn): Declare.
2940 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2941 (sched_analyze_2): Likewise.
2943 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2945 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2947 (adjust_mems): Replace narrowing SUBREG of expression containing
2948 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2949 with operations in the narrower mode.
2952 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2953 regs_invalidated_by_call instead all call_used_reg_set registers.
2955 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2958 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2959 pointer comparisons with types_compatible_p.
2960 * tree-vect-stmts.c (vectorizable_call): Same.
2961 (vectorizable_condition): Same.
2963 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2965 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2966 stack check if the mask would be zero.
2968 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2969 Jack Howarth <howarth@bromo.med.uc.edu>
2971 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2974 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2977 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2979 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2980 Include ___unordxf2 and ___unordtf2.
2981 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2984 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2986 * config/lm32/t-lm32: New file.
2987 * config.gcc: Use the above file when targetting lm32.
2989 2010-03-28 Duncan Sands <baldrick@free.fr>
2991 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2993 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2996 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2997 Improve vectorization cost model diagnostic.
2999 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3002 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3003 compute_data_dependences_for_loop returns false, early exit
3004 and output an extra diagnostic for the failed data reference
3007 2010-03-29 Richard Guenther <rguenther@suse.de>
3009 PR tree-optimization/43560
3010 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3011 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3013 2010-03-29 Jie Zhang <jie@codesourcery.com>
3016 * toplev.c (process_options): Set optimization_default_node
3017 and optimization_current_node.
3018 * opts.c (decode_options): Don't set optimization_default_node
3019 and optimization_current_node.
3021 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3023 * config/rtems.h: Abandon -qrtems_debug.
3025 2010-03-28 Jan Hubicka <jh@suse.cz>
3027 PR tree-optimization/43505
3028 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3029 map should not be copied.
3031 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3034 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3035 cdtors, set DECL_PRESERVE_P.
3036 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3039 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3041 PR tree-optimization/43528
3042 * stor-layout.c (place_field): Check that constant fits into
3043 unsigned HWI when skipping calculation of MS bitfield layout.
3045 2010-03-27 Jan Hubicka <jh@suse.cz>
3048 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3049 notice_global_symbol work.
3051 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3053 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3054 instead of dwarf2out_decl.
3055 (struct var_loc_node): Remove section_label field.
3056 (dwarf2out_function_decl): New function.
3057 (dwarf2out_var_location): Don't set section_label field.
3058 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3060 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3062 PR tree-optimization/43544
3063 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3064 First argument for builtin vectorized function hook is now a
3065 tree to be able to distinguish between machine specific and
3067 * targhooks.c (default_builtin_vectorized_function): Ditto.
3068 * targhooks.h (default_builtin_vectorized_function): Ditto.
3069 * target.h (struct gcc_target): Ditto.
3070 * tree-vect-stmts.c (vectorizable_function): Ditto.
3071 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3072 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3075 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3078 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3079 nested binding iff it is a FUNCTION_DECL.
3080 (store_parm_decls_newstyle): Pass nested=true to bind for
3081 FUNCTION_DECLs amongst parameters.
3083 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3085 * var-tracking.c (vt_expand_loc_callback): Don't run
3086 cselib_expand_value_rtx_cb in dummy mode if
3087 cselib_dummy_expand_value_rtx_cb returned false.
3089 * var-tracking.c (emit_note_insn_var_location): For one part
3090 notes with offset 0, don't add EXPR_LIST around the location.
3091 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3092 add_location_or_const_value_attribute): Adjust for that change.
3095 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3096 into first operand and location into second.
3097 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3098 dw_cfi_oprnd_loc for DW_CFA_expression.
3099 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3100 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3101 assume first argument is regnum and second argument is location.
3103 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3106 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3107 of scratch register to DImode. Split to DImode comparison operator.
3108 Use SImode subreg of scratch register in the multiplication.
3109 (*cmp_sadd_sidi): Ditto.
3110 (*cmp_ssub_si): Ditto.
3111 (*cmp_ssub_sidi): Ditto.
3113 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3116 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3117 Remove invalid assert and wrong comment.
3119 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3122 * flags.h (final_insns_dump_p): New extern.
3123 * final.c (final_insns_dump_p): New variable.
3124 (rest_of_clean_state): Set it before -fdump-final-insns=
3125 dumping, clear afterwards.
3126 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3127 MEM_ALIAS_SET on MEMs.
3129 2010-03-26 David S. Miller <davem@davemloft.net>
3131 * configure.ac: Fix sparc GOTDATA_OP bug check.
3132 * configure: Rebuild.
3134 2010-03-26 Alan Modra <amodra@gmail.com>
3136 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3138 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3140 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3141 TLS_SECTION_ASM_FLAG.
3143 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3146 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3147 Clear first_function_block_is_cold.
3150 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3151 argument if the argument is truth_value_p.
3153 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3155 * config/rs6000/constraints.md: Update copyright year for my changes.
3158 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3159 used in reg+reg addressing, swap registers.
3161 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3164 * target.h (struct gcc_target): Add code_end hook.
3165 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3167 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3168 * toplev.c (compile_file): Call targetm.asm_out.code_end
3169 hook before unwind info/debug info output.
3170 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3171 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3172 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3173 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3174 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3175 * config/i386/i386.c (ix86_file_end): Renamed to...
3176 (ix86_code_end): ... this. Make static. Don't call
3177 file_end_indicate_exec_stack. Emit unwind info using
3178 final_start_function/final_end_function.
3179 (darwin_x86_file_end): Remove.
3180 (TARGET_ASM_CODE_END): Define.
3181 * config/i386/i386.h (TARGET_ASM_FILE_END,
3182 NEED_INDICATE_EXEC_STACK): Don't define.
3183 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3184 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3185 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3186 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3189 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3190 at the beginning and final_end_function at the end.
3191 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3193 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3195 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3196 and Sun as TLS syntax.
3197 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3198 * configure: Regenerate.
3199 * config.in: Regenerate.
3200 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3201 (default_elf_asm_named_section): Use it.
3202 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3203 (i386_output_dwarf_dtprel): Likewise.
3204 (output_addr_const_extra): Likewise.
3205 (output_pic_addr_const): Lowercase @GOTTPOFF.
3206 (output_addr_const_extra): Likewise.
3207 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3208 (output_addr_const_extra): Likewise.
3209 (output_pic_addr_const): Lowercase @INDNTPOFF.
3210 (output_addr_const_extra): Likewise.
3211 (output_pic_addr_const): Lowercase @NTPOFF.
3212 (output_addr_const_extra): Likewise.
3213 (output_pic_addr_const): Lowercase @TPOFF.
3214 (output_addr_const_extra): Likewise.
3215 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3216 (*tls_global_dynamic_64): Likewise.
3217 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3218 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3220 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3221 (ASM_OUTPUT_TLS_COMMON): Use it.
3222 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3225 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3226 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3227 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3228 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3229 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3230 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3232 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3234 * config/i386/i386.c (override_options): Don't accept
3235 -mtls-dialect=sun any longer.
3236 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3237 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3238 (*tls_local_dynamic_base_32_sun): Likewise.
3239 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3241 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3244 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3245 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3248 * ira.c (adjust_cleared_regs): New function.
3249 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3253 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3255 * expr.c (expand_expr_real): Restore previous
3256 curr_insn_source_location and curr_insn_block after
3257 expand_expr_real_1 call.
3258 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3259 instead of expand_expr_real_1.
3261 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3263 PR rtl-optimization/43413
3264 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3267 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3270 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3271 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3273 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3275 * config/i386/i386.c (ix86_target_string): Add -mfma.
3276 Fix a typo in comment.
3278 2010-03-22 Mike Stump <mikestump@comcast.net>
3281 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3282 Don't overly align based upon packed packed fields.
3284 2010-03-22 Jason Merrill <jason@redhat.com>
3286 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3287 Use () rather than [], and move before the element type.
3289 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3291 * doc/configfiles.texi (Configuration Files): Removed
3292 fixinc/Makefile*, intl/Makefile.*.
3293 * doc/makefile.texi: Fixed markup. Abstract from version
3294 control system used.
3295 (Makefile): Removed obsolete gcc/java/parse.y example.
3296 * doc/sourcebuild.texi: Likewise.
3297 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3298 libgomp, libssp. Removed fastjar.
3299 (Miscellaneous Docs): Clarify location.
3300 Added COPYING3, COPYING3.LIB.
3301 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3303 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3306 * config/i386/i386.c (x86_function_profiler)
3307 [!NO_PROFILE_COUNTERS]: Fix typo.
3308 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3311 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3312 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3314 * doc/sourcebuild.texi (Test Directives): Split into six
3315 subsections, with most of the current text in new subsections
3316 Directives, Selectors, and Final Actions.
3317 (Directives): Split list of test directives into multiple
3319 (Selectors): Describe use and syntax of selectors.
3320 (Effective-Target Keywords): Describe all existing keywords.
3321 (Add Options): Describe features for dg-add-options.
3322 (Require Support): Describe variants of dg-require-support.
3323 (Final Actions): Describe commands to use in dg-final.
3325 2010-03-22 Michael Matz <matz@suse.de>
3328 * recog.c (validate_replace_rtx_group): Replace also in
3329 REG_EQUAL and REG_EQUIV notes.
3331 2010-03-22 Richard Guenther <rguenther@suse.de>
3333 PR tree-optimization/43390
3334 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3335 sure vector extracts are type correct.
3337 2010-03-22 Richard Guenther <rguenther@suse.de>
3340 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3341 x * sqrt (x) even when optimizing for size if the target
3342 has native support for sqrt.
3344 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3346 * varasm.c (make_decl_rtl_for_debug): Also clear
3347 flag_mudflap for the duration of make_decl_rtl call.
3350 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3351 locs from preserved VALUEs.
3353 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3356 * pa.md (movmemsi): Set align to one if zero.
3357 (movmemdi): Likewise.
3359 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3362 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3363 with their corresponding prologue pushes.
3365 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3368 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3369 at the begining or end.
3370 (spu_expand_epilogue): Likewise.
3372 2010-03-20 Richard Guenther <rguenther@suse.de>
3374 PR rtl-optimization/43438
3375 * combine.c (make_extraction): Properly zero-/sign-extend an
3376 extraction of the low part of a CONST_INT. Also handle
3379 2010-03-19 Mike Stump <mikestump@comcast.net>
3381 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3382 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3383 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3385 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3388 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3391 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3393 PR rtl-optimization/42258
3394 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3395 use that may match DEF.
3398 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3399 the cost of loading the constant rather than assuming
3401 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3402 outer code is AND, do the same tests as the andsi3 expander and
3403 return COSTS_N_INSNS (1) if and is cheap.
3405 * optabs.c (avoid_expensive_constant): Fix formatting.
3407 2010-03-19 Michael Matz <matz@suse.de>
3410 * attribs.c (decl_attributes): When rebuilding a function pointer
3411 type use the same qualifiers as the original pointer type.
3413 2010-03-19 Martin Jambor <mjambor@suse.cz>
3415 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3416 and is_gimple_ip_invariant_address.
3418 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3421 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3423 * config/arm/arm.c (arm_override_options): Turn off
3424 flag_dwarf2_cfi_asm for AAPCS variants.
3426 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3429 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3430 Use PRE_MODIFY instead of PRE_DEC.
3431 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3432 (vfp_emit_fstmd): Likewise.
3434 2010-03-19 Michael Matz <matz@suse.de>
3437 * builtins.c (expand_builtin_interclass_mathfn,
3438 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3441 2010-03-19 Richard Guenther <rguenther@suse.de>
3443 PR tree-optimization/43415
3444 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3445 (phi_translate_1): ... this.
3446 (phi_translate): Move all caching here. Cache all NARY
3447 and REFERENCE translations.
3449 2010-03-19 David S. Miller <davem@davemloft.net>
3451 With help from Eric Botcazou.
3452 * config/sparc/sparc.c: Include dwarf2out.h.
3453 (emit_pic_helper): Delete.
3454 (pic_helper_symbol_name): Delete.
3455 (pic_helper_emitted_p): Delete.
3456 (pic_helper_needed): New.
3457 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3458 (get_pc_thunk_name): New.
3459 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3460 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3461 Set pic_helper_needed to true. Don't call emit_pic_helper.
3462 (sparc_expand_prologue): Update load_pic_register call.
3463 (sparc_output_mi_thunk): Likewise.
3464 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3465 thunk if possible. Output CFI information as needed.
3467 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3468 Jack Howarth <howarth@bromo.med.uc.edu>
3471 * config/i386/i386.h: Fix ABI on darwin x86-32.
3473 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3475 * tree.h: Declare make_decl_rtl_for_debug.
3476 * varasm.c (make_decl_rtl_for_debug): New.
3477 * dwarf2out.c (rtl_for_decl_location): Call it.
3478 * cfgexpand.c (expand_debug_expr): Call it.
3480 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3483 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3487 * var-tracking.c (vt_init_cfa_base): Do nothing if
3488 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3490 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3493 * var-tracking.c (canonicalize_vars_star): New.
3494 (dataflow_post_merge_adjust): Use it.
3496 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3499 * var-tracking.c (non_suitable_const): New function.
3500 (add_uses): For DEBUG_INSNs with constants, don't record any
3501 value, instead just the constant value itself.
3502 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3503 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3504 (emit_notes_in_bb): Likewise.
3505 (emit_note_insn_var_location): For onepart variables if
3506 cur_loc is a VOIDmode constant, use DECL_MODE.
3508 2010-03-18 Martin Jambor <mjambor@suse.cz>
3511 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3512 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3513 all non-clones. Moved call redirection...
3514 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3515 (cgraph_materialize_all_clones): Dispose of all
3516 combined_args_to_skip bitmaps.
3517 (verify_cgraph_node): Do not check for edges pointing to wrong
3518 nodes in inline clones.
3519 * tree-inline.c (copy_bb): Call
3520 cgraph_redirect_edge_call_stmt_to_callee.
3521 * ipa.c (cgraph_remove_unreachable_nodes): Call
3522 cgraph_node_remove_callees even when there are used clones.
3524 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3526 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3528 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3531 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3534 2010-03-18 Michael Matz <matz@suse.de>
3537 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3538 into sqrt(x) if we need to preserve signed zeros.
3540 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3541 Eric Botcazou <ebotcazou@adacore.com>
3543 PR rtl-optimization/43360
3544 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3545 note if we don't know its invariant status.
3547 2010-03-18 Michael Matz <matz@suse.de>
3549 PR tree-optimization/43402
3550 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3551 PHI chains of ssa names registered for update.
3553 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3556 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3557 non-offsettable and pre_modify update addressing.
3558 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3559 and "2" alternatives "#".
3560 (*movdd_softfloat32): Make all alternatives "#";
3561 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3562 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3563 (*movdf_softfloat32): Make all alternatives "#";
3564 (movdi): Use the new DIFD mode iterator to create a common splitter
3565 for movdi, movdf and movdd patterns.
3567 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3569 * common.opt (dumpdir): Remove redundant tab.
3571 2010-03-17 Martin Jambor <mjambor@suse.cz>
3573 PR tree-optimization/43347
3574 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3575 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3577 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3579 PR rtl-optimization/42216
3580 * regrename.c (create_new_chain): New function, broken out from...
3581 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3582 appending a use to an empty chain.
3583 (build_def_use): Remove previous changes that convert OP_INOUT to
3584 OP_OUT operands; instead detect the case where an OP_INOUT operand
3585 uses a previously untracked register and create an empty chain for it.
3587 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3589 * doc/extend.texi (Function Attributes): Rewrite unfinished
3590 sentence in ms_abi documentation.
3592 2010-03-17 Alan Modra <amodra@gmail.com>
3594 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3595 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3596 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3597 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3599 2010-03-16 Richard Henderson <rth@redhat.com>
3602 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3603 (lower_try_finally): Save and restore eh_seq around the expansion
3606 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3608 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3609 statements before splitting block.
3611 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3613 * doc/sourcebuild.texi (Testsuites): Fix markup.
3614 Use pathnames relative to gcc/testsuite.
3615 (Test Directives): Move description of how timeout is determined.
3616 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3617 (C Tests): Correct gcc.misc-tests directory.
3618 Framework tests now live in gcc.test-framework.
3620 2010-03-16 Richard Guenther <rguenther@suse.de>
3623 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3624 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3626 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3627 Alexandre Oliva <aoliva@redhat.com>
3629 PR tree-optimization/42917
3630 * lambda-code.c (remove_iv): Skip debug statements.
3631 (lambda_loopnest_to_gcc_loopnest): Likewise.
3632 (not_interesting_stmt): Debug statements are not interesting.
3634 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3638 * cselib.c (cselib_preserve_constants,
3639 cfa_base_preserved_val): New static variables.
3640 (preserve_only_constants): New function.
3641 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3642 clear its REG_VALUES. If cselib_preserve_constants, don't
3643 empty the whole hash table, but preserve there VALUEs with constants,
3644 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3645 (cselib_preserve_cfa_base_value): New function.
3646 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3647 (cselib_init): Change argument to int bitfield. Set
3648 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3650 (cselib_finish): Clear cselib_preserve_constants and
3651 cfa_base_preserved_val.
3652 * cselib.h (enum cselib_record_what): New enum.
3653 (cselib_init): Change argument to int.
3654 (cselib_preserve_cfa_base_value): New prototype.
3655 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3656 * dse.c (dse_step1): Likewise.
3657 * cfgcleanup.c (thread_jump): Likewise.
3658 * sched-deps.c (sched_analyze): Likewise.
3659 * gcse.c (local_cprop_pass): Likewise.
3660 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3661 If FN is non-NULL, call the callback always and whenever it returns
3662 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3663 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3664 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3665 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3666 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3667 * var-tracking.c: Include recog.h.
3668 (bb_stack_adjust_offset): Remove.
3669 (vt_stack_adjustments): Don't call it, instead just gather the
3670 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3671 (adjust_stack_reference): Remove.
3672 (compute_cfa_pointer): New function.
3673 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3674 (struct adjust_mem_data): New type.
3675 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3677 (get_address_mode): New function.
3678 (replace_expr_with_values): Use it.
3679 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3680 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3681 (adjust_sets): Remove.
3682 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3683 Use get_address_mode.
3684 (get_adjusted_src): Remove.
3685 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3686 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3687 (add_with_sets): Don't call adjust_sets.
3688 (fp_setter, vt_init_cfa_base): New functions.
3689 (vt_initialize): Change return type to bool. Move most of pool etc.
3690 initialization to the beginning of the function from end. Pass
3691 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3692 If !frame_pointer_needed, call vt_stack_adjustment before mos
3693 vector is filled, call vt_init_cfa_base if argp/framep has been
3694 eliminated to sp. If frame_pointer_needed and argp/framep has
3695 been eliminated to hard frame pointer, set
3696 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3697 encountering fp setter in the prologue. For MO_ADJUST, call
3698 log_op_type before pusing the op into mos vector, not afterwards.
3699 Call adjust_insn before cselib_process_insn/add_with_sets,
3700 call cancel_changes (0) afterwards.
3701 (variable_tracking_main_1): Adjust for vt_initialize calling
3702 vt_stack_adjustments and returning whether it succeeded or not.
3704 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3706 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3709 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3711 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3713 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3714 drap_reg has not been set.
3716 2010-03-15 Michael Matz <matz@suse.de>
3719 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3720 use it to expand block copies.
3721 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3722 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3723 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3725 2010-03-15 Richard Guenther <rguenther@suse.de>
3727 PR tree-optimization/43367
3728 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3731 2010-03-15 Richard Guenther <rguenther@suse.de>
3733 PR tree-optimization/43317
3734 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3736 2010-03-15 Martin Jambor <mjambor@suse.cz>
3738 PR tree-optimization/43141
3739 * tree-sra.c (create_abstract_origin): New function.
3740 (modify_function): Call create_abstract_origin.
3742 2010-03-15 Chris Demetriou <cgd@google.com>
3744 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3747 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3750 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3751 call insert_out_of_ssa_copy for default definitions.
3753 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3755 * graphite-clast-to-gimple.c (my_long_long): Defined.
3756 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3757 * graphite-sese-to-poly.c (my_long_long): Defined.
3758 (scop_ivs_can_be_represented): Use it.
3760 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3762 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3763 graphite-max-bbs-per-function, and loop-block-tile-size.
3764 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3766 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3768 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3770 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3771 forward declaration.
3772 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3773 (add_upper_bounds_from_estimated_nit): New.
3774 (build_loop_iteration_domains): Use it.
3776 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3778 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3780 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3783 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3784 should be an INTEGER_CST. Also handle CASE_CONVERT.
3786 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3788 * graphite.c (graphite_initialize): To bound the number of bbs per
3789 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3790 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3791 * doc/invoke.texi: Document it.
3793 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3795 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3796 * graphite-sese-to-poly.h (build_poly_scop): Same.
3798 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3800 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3801 the number of parameters in the scop. Use as an upper bound
3802 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3803 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3804 * doc/invoke.texi: Document it.
3806 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3808 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3809 * doc/c-tree.texi: Remove.
3810 * doc/generic.texi: Merge c-tree.texi here.
3811 * doc/gccint.texi (Trees): Remove menu entry.
3812 (c-tree.texi): Remove @include.
3813 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3814 * doc/languages.texi (Reading RTL): Ditto.
3816 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3819 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3821 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3824 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3825 code added to work around reload clobbering CONST insns.
3827 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3829 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3830 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3831 (cselib_preserve_only_values): Remove retain argument, don't
3832 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3833 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3834 * var-tracking.c (micro_operation): Move insn field before union.
3835 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3836 (struct variable_tracking_info_def): Remove n_mos field, change
3837 mos into a vector of micro_operations.
3838 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3839 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3840 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3841 changing into a vector.
3842 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3843 come before all other uops generated by add_stores.
3844 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3846 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3847 a vector. Run just one pass over the bbs instead of separate counting
3848 and computation phase.
3849 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3852 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3853 into *nonlocalized_list vector.
3854 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3855 even if origin is non-NULL.
3856 (gen_variable_die): Likewise.
3857 (process_scope_var): Don't change origin.
3858 (gen_decl_die): Likewise.
3859 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3860 before adding new edges instead of after it, fix moving over
3863 2010-03-11 David S. Miller <davem@davemloft.net>
3865 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3867 * configure: Rebuild.
3869 2010-03-11 Martin Jambor <mjambor@suse.cz>
3871 PR tree-optimization/43257
3872 * tree.c (assign_assembler_name_if_neeeded): New function.
3873 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3875 * tree.h (assign_assembler_name_if_neeeded): Declare.
3876 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3877 the function if needed.
3879 2010-03-11 Chris Demetriou <cgd@google.com>
3881 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3882 include/stdint-gcc.h, and include/stdint.h world-readable.
3884 2010-03-11 Richard Guenther <rguenther@suse.de>
3886 PR tree-optimization/43255
3887 * tree-vrp.c (process_assert_insertions_for): Do not insert
3888 asserts for trivial conditions.
3890 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3892 PR tree-optimization/43280
3893 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3894 generation. Move calculation of size out of the if branch.
3895 (find_bswap): Modify compare number generation.
3897 2010-03-11 Richard Guenther <rguenther@suse.de>
3900 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3901 (input_gimple_stmt): Fixup handled component types during
3902 operand read. Also fix up decls in ADDR_EXPRs.
3904 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3906 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3907 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3909 2010-03-10 Jan Hubicka <jh@suse.cz>
3912 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3913 * varasm.c (get_variable_section): Don't do that here...
3914 (make_decl_rtl): ... and here.
3915 (do_assemble_alias): Produce decl RTL.
3916 (assemble_alias): Likewise.
3918 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3921 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3922 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3924 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3925 (based_loc_descr): Only express drap or vdrap regno based expressions
3926 using DW_OP_fbreg when not optimizing.
3927 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3928 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3929 REG_CFA_SET_VDRAP note.
3931 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3933 PR tree-optimization/43236
3934 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3935 error in calculation of base address in reverse iteration case.
3936 (generate_builtin): Take number of latch executions if the statement
3939 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3942 * tree-eh.c: Include pointer-set.h.
3943 (lower_eh_dispatch): Filter out duplicate case labels and
3944 remove the unneeded edge when the label is unused. Return
3945 true when some edges are removed.
3946 (execute_lower_eh_dispatch): When any lowering resulted in
3947 removing an edge, also delete unreachable blocks.
3949 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3952 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3953 UNSPEC_MACHOPIC_OFFSET.
3955 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3958 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3959 (m68k_delegitimize_address): New function.
3961 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3964 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3967 * var-tracking.c (adjust_sets): New function.
3968 (count_with_sets, add_with_sets): Use it.
3969 (get_adjusted_src): New inline function.
3970 (add_stores): Use it.
3973 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3974 call cselib_dummy_expand_value_rtx_cb instead of
3975 cselib_expand_value_rtx_cb.
3978 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3979 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3980 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3981 and .cfi_endproc around the pic thunks.
3982 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3983 all queued unwind info register saves are saved before the call.
3984 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3985 considered as sp-=4 for unwind info and the pop as sp+=4 which
3986 also clobbers dest, but doesn't actually restore it.
3989 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3990 RTX_FRAME_RELATED_P.
3992 2010-03-09 Jie Zhang <jie@codesourcery.com>
3994 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3995 whitespaces in output template.
3997 2010-03-09 Jie Zhang <jie@codesourcery.com>
3999 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4002 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4004 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4005 builtins.exp in a separate job.
4007 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4009 * graphite-sese-to-poly.c (add_param_constraints): Use
4010 lower_bound_in_type and upper_bound_in_type.
4012 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4014 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4015 instead of unsigned_type_node.
4017 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4018 Reza Yazdani <reza.yazdani@amd.com>
4021 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4022 on pointer type parameters.
4024 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4028 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4029 handle conversions from pointer to integers.
4030 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4031 induction variable, to be able to work with code generated by CLooG.
4032 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4033 (build_poly_scop): Bail out if we cannot codegen a loop.
4035 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4037 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4038 code generation with gloog_error.
4040 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4042 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4043 Call fold_convert on all the returned values.
4044 (expand_scalar_variables_expr): Pass to
4045 expand_scalar_variables_ssa_name the type of the resulting expression.
4047 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4049 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4050 ppl_min_for_le_pointset.
4051 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4052 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4054 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4056 * graphite-dependences.c (map_into_dep_poly): Removed.
4057 (dependence_polyhedron_1): Use combine_context_id_scat.
4059 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4061 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4062 (struct poly_bb): Same.
4063 (combine_context_id_scat): New.
4065 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4068 * sese.c (name_defined_in_loop_p): Return false for default
4071 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4073 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4074 and clean up the logic.
4076 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4078 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4081 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4083 * var-tracking.c (remove_cselib_value_chains): Define only for
4085 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4086 delete_slot_part, emit_notes_for_differences_1): Don't call
4087 remove_cselib_value_chains here.
4088 (set_slot_part, emit_notes_for_differences_2): Don't call
4089 add_cselib_value_chains here.
4090 (preserved_values): New vector.
4091 (preserve_value): New function.
4092 (add_uses, add_stores, vt_add_function_parameters): Use it
4093 instead of cselib_preserve_value.
4094 (changed_values_stack): New vector.
4095 (check_changed_vars_0): New function.
4096 (check_changed_vars_1, check_changed_vars_2): Use it.
4097 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4098 changed_values_stack VALUEs.
4099 (vt_emit_notes): For all preserved_values call
4100 add_cselib_value_chains. If ENABLE_CHECKING call
4101 remove_cselib_value_chains before verifying value_chains is empty.
4102 Initialize and free changed_values_stack.
4103 (vt_initialize): Initialize preserved_values.
4104 (vt_finalize): Free preserved_values.
4106 2010-03-08 Richard Guenther <rguenther@suse.de>
4108 PR tree-optimization/43269
4109 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4112 2010-03-08 Martin Jambor <mjambor@suse.cz>
4114 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4115 (ipa_is_param_called): Removed.
4116 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4117 (ipa_print_node_params): Do not print the called flag.
4118 (ipa_write_node_info): Do not stream the called flag.
4119 (ipa_read_node_info): Likewise.
4121 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4124 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4125 * cselib.c (struct expand_value_data): Add dummy field.
4126 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4128 (cselib_dummy_expand_value_rtx_cb): New function.
4129 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4131 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4132 * var-tracking.c: Include pointer-set.h.
4133 (variable): Change n_var_parts to char from int. Add
4134 cur_loc_changed and in_changed_variables fields.
4135 (variable_canonicalize): Remove.
4136 (shared_var_p): New inline function.
4137 (unshare_variable): Maintain cur_loc_changed and
4138 in_changed_variables fields. If var was in changed_variables,
4139 replace it there with new_var. Just copy cur_loc instead of
4140 resetting it to something else.
4141 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4142 (dataflow_set_union): Don't call variable_canonicalize.
4143 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4144 of their DEBUG_EXPR_TREE_DECLs.
4145 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4146 and in_changed_variables and cur_loc_changed is false.
4147 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4148 and cur_loc_changed. Don't update cur_loc here.
4149 (variable_merge_over_src): Don't call variable_canonicalize.
4150 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4151 removing loc that is equal to cur_loc, clear cur_loc,
4152 set cur_loc_changed and ensure variable_was_changed is called.
4153 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4154 compare pointers in cur_loc check, if it is equal to loc,
4155 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4156 (variable_different_p): Remove compare_current_location argument,
4157 don't compare cur_loc.
4158 (dataflow_set_different_1): Adjust variable_different_p caller.
4159 (variable_was_changed): If dv had some var in changed_variables
4160 already, reset in_changed_variables flag for it and propagate
4161 cur_loc_changed over to the new variable. On empty var
4162 always set cur_loc_changed. Set in_changed_variables on whatever
4163 var is added to changed_variables.
4164 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4165 Use shared_var_p. When removing loc that is equal to cur_loc,
4166 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4167 end, don't set it to something else, just call variable_was_changed.
4168 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4169 loc being removed, clear cur_loc and set cur_loc_changed.
4170 Set cur_loc_changed if all locations have been removed.
4171 (struct expand_loc_callback_data): New type.
4172 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4173 allocated. Always create SUBREGs if simplify_subreg failed.
4174 Prefer to use cur_loc, when that fails and still in
4175 changed_variables (and seen first time) recompute it. Set
4176 cur_loc_changed of variables which had to change cur_loc and
4177 compute elcd->cur_loc_changed if any of the subexpressions used
4178 had to change cur_loc.
4179 (vt_expand_loc): Adjust to pass arguments in
4180 expand_loc_callback_data structure.
4181 (vt_expand_loc_dummy): New function.
4182 (emitted_notes): New variable.
4183 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4184 that weren't used for any other decl in current
4185 emit_notes_for_changes call call vt_expand_loc_dummy to update
4186 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4187 first loc_chain location if NULL before. Always use just
4188 cur_loc instead of first loc_chain location. When cur_loc_changed
4189 is false, when not --enable-checking=rtl just don't emit any note.
4190 When rtl checking, compute the note and assert it is the same
4191 as previous note. Clear cur_loc_changed and in_changed_variables
4192 at the end before removing from changed_variables.
4193 (check_changed_vars_3): New function.
4194 (emit_notes_for_changes): Traverse changed_vars to call
4195 check_changed_vars_3 on each changed var.
4196 (emit_notes_for_differences_1): Clear cur_loc_changed and
4197 in_changed_variables. Recompute cur_loc of new_var.
4198 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4199 (vt_emit_notes): Initialize and destroy emitted_notes.
4201 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4203 PR rtl-optimization/42220
4204 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4205 Use verify_reg_tracked to determine if we should use OP_OUT rather
4207 (build_def_use): If we see an in-out operand for a register that we
4208 know nothing about, treat is an output if possible, fail the block if
4211 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4214 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4217 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4220 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4221 uses of relevant DEFs that are dead outside the loop too.
4223 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4225 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4227 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4229 * var-tracking.c (values_to_unmark): New variable.
4230 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4231 values_to_unmark vector. Moved body to...
4232 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4233 instead queue it into values_to_unmark vector.
4234 (vt_find_locations): Free values_to_unmark vector.
4236 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4238 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4239 (site.exp): Export them when plugins are enabled.
4241 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4244 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4246 (chrec_fold_multiply): Same.
4248 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4251 * c-decl.c (build_compound_literal): Return early if init is
4254 2010-03-04 Martin Jambor <mjambor@suse.cz>
4256 PR tree-optimization/43164
4257 PR tree-optimization/43191
4258 * tree-sra.c (type_consists_of_records_p): Reject records with
4259 zero-size bit-fields at the end.
4261 2010-03-04 Mike Stump <mikestump@comcast.net>
4263 * Makefile.in (TAGS): Remove *.y.
4265 2010-03-04 Richard Guenther <rguenther@suse.de>
4267 PR tree-optimization/40761
4268 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4270 (my_rev_post_order_compute): New function.
4271 (init_pre): Call it.
4273 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4276 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4277 decrease the cost of an IV candidate when the cost is infinite.
4279 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4281 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4282 Use '3DNow!' for the extension of that name, ensure normal space
4284 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4286 2010-03-03 Jeff Law <law@redhat.com>
4288 * PR middle-end/32693
4289 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4290 than gen_rtx_SUBREG.
4291 (extract_bit_field_1): Likewise.
4293 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4295 * doc/sourcebuild.texi (Test directives): Document that arguments
4296 include-opts and exclude-opts are now optional for dg-skip-if,
4297 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4299 2010-03-03 Jason Merrill <jason@redhat.com>
4302 * cgraph.h (varpool_node): Add extra_name field.
4303 * varpool.c (varpool_extra_name_alias): New.
4304 (varpool_assemble_decl): Emit extra name aliases.
4305 (varpool_mark_needed_node): Look past an extra name alias.
4306 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4307 * lto-streamer-in.c (lto_input_tree): Read it.
4308 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4310 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4312 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4313 (sparc*-*-solaris2*): ...this.
4315 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4318 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4319 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4320 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4321 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4324 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4325 fallthrough to default handling, just with want_address 0 instead of 2.
4326 For single element lists, add_AT_loc directly, otherwise create an
4327 artificial variable DIE and stick location list to it.
4330 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4331 (VAL_EXPR_HAS_REVERSE): Define.
4332 (reverse_op): New function.
4333 (add_stores): For reversible operations add an extra MO_VAL_USE.
4335 2010-03-02 Jason Merrill <jason@redhat.com>
4337 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4339 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4341 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4342 (sparc64-*-linux*): Likewise.
4343 (sparc64-*-solaris2*): Include assembler files before linker ones.
4344 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4345 * config/sparc/gas.h: Delete.
4346 * config/sparc/sol2-64.h: Add copyright notice.
4347 * config/sparc/sol2-gas-bi.h: Likewise.
4348 * config/sparc/sol2-gld.h: Likewise.
4349 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4350 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4351 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4352 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4353 (sparc_elf_asm_named_section): Rename into...
4354 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4356 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4358 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4360 2010-03-02 Jeff Law <law@redhat.com>
4363 * reload1.c (rtx_p, substitute_stack): Declare.
4364 (substitute): Record addresses of changed rtxs.
4365 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4366 Restore the original rtx when complete.
4367 (reload): Free subsitute_stack when complete.
4369 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4371 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4372 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4374 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4375 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4376 Torture Tests): Change from subsection to section.
4378 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4379 Steven Bosscher <steven@gcc.gnu.org>
4381 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4384 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4387 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4388 the assignment from the new induction variable to the assignment
4389 of the value from the original loop PHI function.
4391 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4392 Daniel Jacobowitz <dan@codesourcery.com>
4394 * doc/sourcebuild.texi (Test directives): Clarify options to
4397 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4399 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4400 Disable cfi directives unless GCC and gas agree on using read-only
4401 .eh_frame sections for 64-bit.
4402 * configure: Regenerate.
4404 2010-03-01 Richard Guenther <rguenther@suse.de>
4406 PR tree-optimization/43220
4407 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4408 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4410 2010-03-01 Richard Guenther <rguenther@suse.de>
4411 Martin Jambor <mjambor@suse.cz>
4414 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4415 gimplified parameters.
4417 2010-03-01 Christian Bruel <christian.bruel@st.com>
4419 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4421 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4423 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4425 2010-03-01 Richard Guenther <rguenther@suse.de>
4428 * expr.c (expand_assignment): Use the alias-oracle to tell
4429 if the rhs aliases the result decl.
4431 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4434 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4435 to sol_gt_pch_get_address.
4436 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4437 64-bit, SPARC and x86.
4438 (sol_gt_pch_get_address): New function.
4440 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4442 * toplev.h (inform_n, error_n): Declare.
4443 * diagnostic.c (inform_n, error_n): New function.
4445 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4447 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4448 has no rtl yet when processing local_decls, queue it and recheck
4449 if deferred stack allocation hasn't assigned it rtl.
4451 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4453 * config/sh/sh.c (unspec_bbr_uid): New.
4454 (gen_block_redirect): Use it instead of INSN_UID.
4455 (gen_far_branch): Likewise.
4457 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4459 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4460 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4462 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4464 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4465 (Warning Options): -Wno-conversion-null is valid for
4466 Objective-C++ as well.
4467 * doc/tm.texi (Named Address Spaces): Likewise.
4468 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4469 * doc/tree-ssa.texi (Tree SSA): Likewise.
4471 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4474 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4475 by default. Don't set the default arch for
4476 i[34567]86-*-darwin*|x86_64-*-darwin*.
4478 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4481 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4482 default. Set the default 32bit/64bit archs with $with_arch
4483 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4485 2010-02-27 Richard Guenther <rguenther@suse.de>
4487 PR tree-optimization/43186
4488 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4489 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4490 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4491 unroller iterations.
4493 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4495 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4496 required and i[34567]86-*-* targets don't support 64bit ISA.
4498 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4501 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4504 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4506 * config.gcc: Set the default arch at least to Prescott for
4507 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4508 if SSE math is enabled.
4510 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4512 * diagnostic.c (diagnostic_initialize): Update.
4513 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4515 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4516 (diagnostic_inhibit_notes): New.
4517 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4519 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4522 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4523 * doc/standards.texi: Likewise.
4524 * doc/extend.texi: Likewise.
4525 * doc/trouble.texi: Likewise.
4526 * doc/cppopts.texi: Likewise.
4527 * doc/install.texi: Likewise.
4528 * c.opt (std=c90,std=gnu90): New options.
4529 * c-opts.c (c_common_handle_option): Handle them.
4531 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4534 * c-decl.c (undeclared_variable): Use an informative note.
4536 2010-02-26 Richard Guenther <rguenther@suse.de>
4538 PR tree-optimization/43186
4539 * gimple.h (gimple_fold): Remove.
4540 * gimple.c (gimple_fold): Remove. Inline into single user ...
4541 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4542 Try harder for conditions.
4544 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4547 * function.c (used_types_insert): Don't skip through named pointer
4548 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4549 and it is different from the main variant's type.
4551 2010-02-26 Nick Clifton <nickc@redhat.com>
4553 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4555 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4557 * config.gcc: Support --with-fpmath=sse for x86.
4559 * config/i386/ssemath.h: New.
4561 * doc/install.texi (--with-fpmath=sse): Documented.
4563 2010-02-26 Richard Guenther <rguenther@suse.de>
4565 PR tree-optimization/43188
4566 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4567 vector types of over-aligned element type.
4569 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4572 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4573 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4575 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4577 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4579 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4581 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4582 * var-tracking.c: Include diagnostic.h.
4583 (debug_dv): New function.
4584 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4587 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4588 (add_value_chain, add_value_chains, remove_value_chain,
4589 remove_value_chains): Handle DEBUG_EXPRs.
4590 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4593 * regcprop.c (struct queued_debug_insn_change): New type.
4594 (struct value_data_entry): Add debug_insn_changes field.
4595 (struct value_data): Add n_debug_insn_changes field.
4596 (debug_insn_changes_pool): New variable.
4597 (free_debug_insn_changes, apply_debug_insn_changes,
4598 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4599 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4600 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4602 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4604 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4605 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4606 changes, call cprop_find_used_regs via note_stores.
4607 (copyprop_hardreg_forward): When copying vd from predecessor
4608 which has any queued DEBUG_INSN changes, make sure the pointers are
4609 cleared. At the end call df_analyze and then if there are any
4610 DEBUG_INSN changes queued at the end of some basic block for still
4611 live registers, apply them.
4612 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4614 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4616 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4619 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4621 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4622 targets. Set the default with_cpu/with_arch from arch/cpu.
4623 Allow x86-64 and native for with_cpu/with_arch.
4625 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4627 * ebitmap.c: Change calls to verify_popcount with calls to
4628 sbitmap_verify_popcount.
4629 (ebitmap_clear_bit): Fixed map->cacheindex test and
4630 map>cache update when bit clearing results in an empty
4633 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4636 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4637 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4638 and support both V2DF and V2DI modes.
4639 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4640 support both V2DF and V2DI modes.
4641 (general): Delete trailing whitespace from a few patterns.
4643 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4644 V2DF/V2DI interleave high/low builtins.
4646 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4649 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4650 interleave high/low functions.
4652 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4654 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4655 #pragma extern_prefix.
4657 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4660 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4661 BLKmode, assert op0 is a MEM and just adjust its mode.
4664 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4665 if bitpos isn't multiple of mode's bitsize.
4667 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4669 * c.opt (-ftemplate-depth=): New.
4670 (-ftemplate-depth-): Deprecate.
4671 * optc-gen.awk: Handle -ftemplate-depth=.
4672 * opth-gen.awk: Likewise.
4673 * c-opts.c (c_common_handle_option): Likewise.
4674 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4676 2010-02-24 Jason Merrill <jason@redhat.com>
4678 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4680 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4682 * cfg.c (alloc_aux_for_block): Remove inline.
4683 (alloc_aux_for_edge): Likewise.
4685 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4687 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4689 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4691 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4692 * config/i386/sol2-gas.h: New file.
4693 * config.gcc (i[34567]86-*-solaris2*): Use it.
4695 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4698 * c-typeck.c (ep_convert_and_check): New.
4699 (build_conditional_expr): Use it.
4700 (build_binary_op): Likewise.
4702 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4704 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4707 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4708 bounds even for -O+.
4709 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4710 expr needs to have DECL_NAME set.
4712 2010-02-24 Nick Clifton <nickc@redhat.com>
4714 * config/mep/mep.c: Include gimple.h.
4715 (mep_function_uses_sp): Delete unused function.
4716 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4717 parameters. Use unsigned integers to count args. Return a
4718 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4720 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4723 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4724 greater or equal to nelt instead of 2 * nelt.
4725 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4728 2010-02-23 Jason Merrill <jason@redhat.com>
4731 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4732 in cfun->local_decls even if they have register types.
4735 * stor-layout.c (place_field): Don't warn about unnecessary
4736 DECL_PACKED if the type is packed.
4738 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4741 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4742 GOTOFF relocs, even when the base reg isn't pic pointer.
4744 2010-02-23 Michael Matz <matz@suse.de>
4747 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4748 (expand_gimple_basic_block): Generate and use debug temps if there
4749 are debug uses left after the last real use of TERed ssa names.
4750 Unlink debug immediate uses when they are expanded.
4752 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4755 * config/i386/i386.c (override_options): Reorganise to provide
4756 better error messages.
4758 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4761 * graphite-scop-detection.c (create_single_exit_edge): Move
4762 the call to find_single_exit_edge to....
4763 (create_sese_edges): ...here. Don't handle multiple edges
4764 exiting the function.
4765 (build_graphite_scops): Don't handle multiple edges
4766 exiting the function.
4768 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4771 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4772 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4774 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4777 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4779 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4782 * c-typeck.c (convert_arguments): Print declaration location.
4783 * c-common.c (validate_nargs): Rename as
4784 builtin_function_validate_nargs.
4785 (check_builtin_function_arguments): Update.
4787 2010-02-22 Richard Guenther <rguenther@suse.de>
4790 * tree-inline.c (declare_return_variable): Use the type of
4791 the call stmt lhs if available.
4793 2010-02-22 Duncan Sands <baldrick@free.fr>
4795 * passes.c (register_pass): Always consider all pass lists when
4796 ref_pass_instance_number is zero.
4798 2010-02-22 Richard Guenther <rguenther@suse.de>
4800 PR tree-optimization/42749
4801 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4802 parameter. Do arithmetic in the original type.
4803 (update_accumulator_with_ops): Likewise.
4804 (adjust_accumulator_values): Adjust.
4806 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4808 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4809 (QI to BLKmode splitter): New splitter.
4811 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4813 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4814 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4816 2010-02-22 Richard Guenther <rguenther@suse.de>
4818 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4820 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4822 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4823 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4824 ($(T)crti.o, $(T)crtn.o): Remove rules.
4826 2010-02-21 Tobias Burnus <burnus@net-b.de>
4829 * doc/invoke.texi (-fassociative-math): Document that this
4830 option is automatically enabled for Fortran.
4832 2010-02-20 David S. Miller <davem@davemloft.net>
4834 * configure.ac: Test if linker and assembler properly support
4835 GOTDATA_OP relocations.
4836 * configure: Rebuild.
4837 * config.in: Likewise.
4838 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4839 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4840 (movsi_high_pic): Likewise.
4841 (movdi_lo_sum_pic): Likewise.
4842 (movdi_high_pic): Likewise.
4843 (movsi_pic_gotdata_op): New pattern.
4844 (movdi_pic_gotdata_op): Likewise.
4845 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4846 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4848 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4851 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4852 attribute to ssemul.
4853 (xop_mulv2div2di3_high): Ditto.
4855 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4858 * c.opt (Wconversion-null): New option.
4859 * doc/invoke.texi (Wconversion-null): Document.
4861 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4863 * common.opt (Wlarger-than-): Add Undocumented.
4865 2010-02-19 Mike Stump <mikestump@comcast.net>
4867 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4869 2010-02-19 Jason Merrill <jason@redhat.com>
4872 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4873 * configure: Likewise.
4875 2010-02-20 Alan Modra <amodra@gmail.com>
4878 * cgraph.h (cgraph_make_decl_local): Declare.
4879 * cgraph.c (cgraph_make_decl_local): New function.
4880 (cgraph_make_node_local): Use it.
4881 * cgraphunit.c (cgraph_function_versioning): Likewise.
4882 * ipa.c (function_and_variable_visibility): Likewise.
4884 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4887 * except.c (sjlj_emit_function_enter): Don't call
4888 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4890 * rtl.h (add_reg_br_prob_note): Remove prototype.
4892 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4895 * c-common.c (conversion_warning): Remove widening conversions
4896 before checking the conversion of integers to reals.
4898 2010-02-19 Mike Stump <mikestump@comcast.net>
4901 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4904 * cgraphunit.c (process_function_and_variable_attributes): Check
4905 DECL_PRESERVE_P instead of looking up attribute "used".
4906 * ipa-pure-const.c (check_decl): Likewise.
4907 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4908 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4909 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4910 instead of attribute "used".
4911 * config/sol2-c.c (solaris_pragma_init): Likewise.
4912 (solaris_pragma_fini): Likewise.
4914 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4916 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4917 Use XCNEW instead of xcalloc.
4918 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4919 XNEW instead of xmalloc.
4920 (get_fields): Use XNEWVEC instead of xmalloc.
4923 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4924 populate vars array.
4925 (create_new_general_access): For debug stmts just reset value.
4926 (get_stmt_accesses): For accesses within debug stmts just record them
4927 using add_access_to_acc_sites instead of preventing the peeling or
4928 counting them as accesses.
4931 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4933 2010-02-19 Richard Guenther <rguenther@suse.de>
4935 PR tree-optimization/42916
4936 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4939 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4941 * configure.ac: Replace all uses of changequote in macro arguments
4942 with proper quoting.
4944 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4947 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4949 2010-02-19 Richard Guenther <rguenther@suse.de>
4951 PR tree-optimization/42944
4952 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4953 test for aliasing with errno.
4955 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4958 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4959 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4960 * dojump.c: Include output.h.
4961 (inv): New inline function.
4962 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4963 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4964 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4965 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4966 argument, pass it down to other calls.
4967 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4968 add REG_BR_PROB note to the conditional jump.
4969 * cfgexpand.c (add_reg_br_prob_note): Removed.
4970 (expand_gimple_cond): Don't call it, add the probability
4971 as last argument to jumpif_1/jumpifnot_1.
4972 * Makefile.in (dojump.o): Depend on output.h.
4973 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4975 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4976 * stmt.c (do_jump_if_equal): Likewise.
4977 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4978 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4979 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4981 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4982 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4983 jumpifnot_1 callers.
4984 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4986 (store_expr): Adjust jumpifnot caller.
4987 (store_constructor): Adjust jumpif caller.
4990 * gimplify.c (gimple_boolify): For __builtin_expect call
4991 gimple_boolify also on its first argument.
4993 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4995 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4997 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4998 * configure: Regenerated.
5000 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5002 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5003 lang_hooks.types_compatible_p instead of comptypes.
5005 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5007 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5008 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5009 if __prefer_thumb__ is defined.
5011 2010-02-18 Martin Jambor <mjambor@suse.cz>
5013 PR tree-optimization/43066
5014 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5015 array with zero-sized element type.
5017 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5019 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5020 rtx, allocate struct var_loc_node here and return it to the
5021 caller, and only if it is actually needed.
5022 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5023 move it earlier and return immediately if it returns NULL.
5025 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5027 * config/sparc/gas.h: New file. Restore
5028 TARGET_ASM_NAMED_SECTION to its ELF default.
5029 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5031 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5032 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5033 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5034 after sparc/sysv4.h.
5036 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5038 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5040 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5042 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5043 patterns from predicated pattern.
5045 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5048 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5049 for insn mnemonic suffix.
5051 2010-02-17 Richard Guenther <rguenther@suse.de>
5053 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5056 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5059 * caller-save.c (save_call_clobbered_regs): If BB ends with
5060 a DEBUG_INSN, move any notes in between last real insn and the last
5061 DEBUG_INSN after the last DEBUG_INSN.
5063 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5065 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5066 Fix return type. Fix argument type. Explain meaning of return value.
5068 2010-02-16 Richard Guenther <rguenther@suse.de>
5070 PR tree-optimization/41043
5071 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5072 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5074 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5076 2010-02-16 Ira Rosen <irar@il.ibm.com>
5078 PR tree-optimization/43074
5079 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5080 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5081 vectorizable cycles in hybrid SLP check.
5082 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5084 2010-02-16 Richard Guenther <rguenther@suse.de>
5086 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5087 (true_dependence): If memrefs_conflict_p computes must-alias
5088 trust it. Move TBAA check after offset-based disambiguation.
5089 (canon_true_dependence): Likewise.
5091 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5093 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5094 * doc/invoke.texi: Document it.
5095 * var-tracking.c: Include toplev.h and params.h.
5096 (vt_find_locations): Return bool indicating success. Compute
5097 hash sizes unconditionally. Check new parameter, report.
5098 (variable_tracking_main_1): Check vt_find_locations results and
5099 retry. Renamed from...
5100 (variable_tracking_main): ... this. New wrapper to preserve
5101 flag_var_tracking_assignments.
5102 * Makefile.in (var-tracking.o): Adjust dependencies.
5104 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5105 Jakub Jelinek <jakub@redhat.com>
5108 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5109 if weak_import attribute is present.
5110 * config/darwin.c (machopic_select_section): Likewise.
5112 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5114 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5115 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5116 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5117 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5119 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
5121 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5124 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5125 Rewrite text to refer to the names.
5127 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5129 * config/i386/i386-builtin-types.def
5130 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5131 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5132 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5133 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5134 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5135 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5136 IX86_BUILTIN_VPERMIL2PS256.
5137 (MULTI_ARG_4_DF2_DI_I): Defined.
5138 (MULTI_ARG_4_DF2_DI_I1): Defined.
5139 (MULTI_ARG_4_SF2_SI_I): Defined.
5140 (MULTI_ARG_4_SF2_SI_I1): Defined.
5141 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5142 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5143 __builtin_ia32_vpermil2ps256.
5144 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5145 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5146 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5147 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5148 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5149 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5150 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5151 CODE_FOR_xop_vpermil2v8sf3.
5152 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5153 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5154 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5155 (_mm256_permute2_pd): New.
5156 (_mm_permute2_ps): New.
5157 (_mm256_permute2_ps): New.
5159 2010-02-15 Nick Clifton <nickc@redhat.com>
5161 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5162 boolean parameters. Use emit_jump_insn when emitting a pop
5163 instruction containing a return insn.
5164 (push): Use 'true' rather than '1' as second parameter to F.
5165 (h8300_expand_prologue): Likewise.
5166 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5167 (h8300_expand_epilogue): Likewise.
5169 2010-02-15 Richard Guenther <rguenther@suse.de>
5172 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5175 2010-02-15 Nick Clifton <nickc@redhat.com>
5177 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5180 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5182 * intl.c (fake_ngettext): New function.
5183 * intl.h (fake_ngettext): Declare.
5184 (ngettext): Define macro.
5185 * collect2.c (notice_translated): New function.
5186 (main): Use notice_translated and ngettext.
5187 * collect2.h (notice_translated): Declare.
5189 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5191 * reorg.c (delete_computation): Comment fixes.
5192 * caller-save.c (setup_save_areas): Idem.
5193 * sel-sched-dump.c (dump_lv_set): Idem.
5196 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5198 * config/s390/s390.c (s390_sched_init): New function.
5199 (TARGET_SCHED_INIT): Target hook defined.
5201 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5202 Jack Howarth <howarth@bromo.med.uc.edu>
5203 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5206 Partial revert of unintended change in fix for PR41605.
5207 * config/darwin.h: Fix typo.
5208 * config/darwin9.h: Same.
5210 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5212 * c-pch.c (pch_init): Clear v.
5214 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5217 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5218 graphite_can_represent_init for MULT_EXPR.
5220 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5224 * graphite-sese-to-poly.c (remove_phi): New.
5225 (translate_scalar_reduction_to_array): Call remove_phi.
5227 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5230 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5231 * graphite-clast-to-gimple.h (gloog): Update declaration.
5232 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5233 * graphite-poly.h (struct poly_bb): Add missing comments.
5234 (struct scop): Add poly_scop_p field.
5236 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5237 * graphite.c (graphite_transform_loops): Build the polyhedral
5238 representation for each scop before code generation.
5239 * sese.c (rename_variables_in_operand): Removed.
5240 (rename_variables_in_expr): Return the renamed expression.
5241 (rename_sese_parameters): New.
5242 * sese.h (rename_sese_parameters): Declared.
5244 2010-02-11 Richard Guenther <rguenther@suse.de>
5246 PR tree-optimization/42998
5247 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5248 POINTER_PLUS_EXPR properly.
5250 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5251 Changpeng Fang <changpeng.fang@amd.com>
5254 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5255 the cost of an IV candidate when the IV is used in a test against zero.
5257 * gcc.dg/tree-ssa/ivopts-3.c: New.
5259 2010-02-11 Richard Guenther <rguenther@suse.de>
5262 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5263 pointer-vs-decl case by swapping refs. Handle some cases
5264 of pointer-vs-decl disambiguations more conservatively.
5265 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5266 to false after expanding.
5268 2010-02-11 Richard Guenther <rguenther@suse.de>
5271 * gcc.c (process_command): Handle LTO file@offset case more
5274 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5276 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5277 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5279 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5281 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5282 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5283 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5284 Optimize eq/ne comparisons when both arguments are known to be
5286 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5287 Don't mask operands unnecessarily if they are known to be already
5290 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5292 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5295 2010-02-10 Richard Guenther <rguenther@suse.de>
5297 PR tree-optimization/43017
5298 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5299 for wrapping signed arithmetic.
5301 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5304 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5305 if no debug info should be emitted for it.
5307 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5309 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5310 note when flag_exceptions is set.
5312 2010-02-10 Duncan Sands <baldrick@free.fr>
5314 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5316 2010-02-10 Richard Guenther <rguenther@suse.de>
5319 * tree.c (get_unwidened): Handle constants.
5320 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5322 2010-02-10 Martin Jambor <mjambor@suse.cz>
5325 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5326 check for variable argument counts independently.
5328 2010-02-10 Christian Bruel <christian.bruel@st.com>
5331 * config/sh/sh.c (find_barrier): Increase length for non delayed
5332 conditional branches.
5334 2010-02-10 Christian Bruel <christian.bruel@st.com>
5336 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5338 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5340 * builtins.c (set_builtin_user_assembler_name): Also handle
5341 ffs if int is smaller than word.
5343 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5346 * ira-conflicts.c (get_dup): Remove.
5347 (process_reg_shuffles): Add new parameter. Use it as an
5348 additional guard for copy generation.
5349 (add_insn_allocno_copies): Rewrite.
5351 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5353 * common.opt (fsched2-use-traces): Preserved for backward
5355 * doc/invoke.texi: Remove the documentation about option
5356 -fsched2-use-traces.
5357 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5358 flag_sched2_use_traces.
5359 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5360 the backward compatibility flag section.
5362 2010-02-09 Richard Guenther <rguenther@suse.de>
5364 PR tree-optimization/43008
5365 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5366 make HEAP variables initialized from global memory if they
5367 are not known builtin functions.
5368 (find_func_aliases): Adjust.
5370 2010-02-09 Richard Guenther <rguenther@suse.de>
5372 PR tree-optimization/43000
5373 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5374 arithmetic manually.
5376 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5378 PR tree-optimization/42931
5379 * tree-loop-linear.c (try_interchange_loops): Don't call
5380 double_int_mul if estimated_loop_iterations failed.
5382 2010-02-08 Martin Jambor <mjambor@suse.cz>
5385 * tree-sra.c (build_accesses_from_assign): Do not mark in
5386 should_scalarize_away_bitmap if stmt has volatile ops.
5387 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5390 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5392 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5394 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5396 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5399 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5402 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5404 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5407 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5408 to unknown_dependence.
5409 (graphite_legal_transform_dr): Handle the unknown_dependence.
5410 (graphite_carried_dependence_level_k): Same.
5412 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5414 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5416 2010-02-07 Richard Guenther <rguenther@suse.de>
5419 * expr.c (get_inner_reference): Always initialize *pbitsize.
5421 2010-02-07 Richard Guenther <rguenther@suse.de>
5424 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5425 new ARRAY_REFs on variable size element or minimal index arrays.
5427 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5428 gimple_fold_indirect_ref.
5430 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5433 * arm.c (arm_override_options): Just return if the user has specified
5434 an invalid fpu name.
5436 2010-02-03 Jason Merrill <jason@redhat.com>
5439 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5440 i386_pe_maybe_record_exported_symbol.
5442 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5445 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5446 (pa_delegitimize_address): New function.
5448 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5450 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5451 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5453 2010-02-05 Richard Guenther <rguenther@suse.de>
5456 * lto-streamer-in.c (get_resolution): Deal with references
5457 to undefined functions.
5459 2010-02-05 Richard Guenther <rguenther@suse.de>
5461 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5462 (fold_const_aggregate_ref): Likewise.
5463 (ccp_fold_stmt): Substitute loads.
5464 (maybe_fold_reference): Verify types before substituting.
5466 (fold_gimple_assign): Unshare properly.
5467 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5469 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5471 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5472 for rs6000_gen_cell_microcode.
5474 2010-02-04 Richard Guenther <rguenther@suse.de>
5476 PR rtl-optimization/42952
5477 * dse.c (const_or_frame_p): Remove MEM handling.
5479 2010-02-04 Nick Clifton <nickc@redhat.com>
5481 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5482 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5483 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5484 (mn10300_asm_output_mi_thunk): New function.
5485 (mn10300_can_output_mu_thunk): New function.
5486 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5487 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5488 (FUNCTION_ARG): Delete incorrect comment.
5490 2010-02-03 Jason Merrill <jason@redhat.com>
5493 * fold-const.c (operand_equal_p): Handle erroneous types.
5495 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5497 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5499 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5501 PR rtl-optimization/42941
5502 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5505 2010-02-03 Jason Merrill <jason@redhat.com>
5508 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5510 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5513 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5514 (cselib_reset_table): Renamed from...
5515 (cselib_reset_table_with_next_value): ... this.
5516 (cselib_get_next_uid): Renamed from...
5517 (cselib_get_next_unknown_value): ... this.
5518 * cselib.c (next_uid): Renamed from...
5519 (next_unknown_value): ... this.
5520 (cselib_clear_table): Adjust.
5521 (cselib_reset_table): Adjust. Renamed from...
5522 (cselib_reset_table_with_next_value): ... this.
5523 (cselib_get_next_uid): Adjust. Renamed from...
5524 (cselib_get_next_unknown_value): ... this.
5525 (get_value_hash): Use hash.
5526 (cselib_hash_rtx): Likewise.
5527 (new_cselib_val): Adjust. Set and dump uid.
5528 (cselib_lookup_mem): Pass next_uid as hash.
5529 (cselib_subst_to_values): Likewise.
5530 (cselib_log_lookup): Dump uid.
5531 (cselib_lookup): Pass next_uid as hash. Adjust.
5532 (cselib_process_insn): Adjust.
5533 (cselib_init): Initialize next_uid.
5534 (cselib_finish): Adjust.
5535 (dump_cselib_table): Likewise.
5536 * dse.c (canon_address): Dump value uid.
5537 * print-rtl.c (print_rtx): Print value uid.
5538 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5540 (dv_uid): New function, sort of renamed from...
5541 (dv_htab_hash): ... this, reimplemented in terms of it and...
5542 (dv_uid2hash): ... this. New.
5543 (variable_htab_eq): Drop excess assertions.
5544 (tie_break_pointers): Removed.
5545 (canon_value_cmp): Compare uids.
5546 (variable_post_merge_New_vals): Print uids.
5547 (vt_add_function_parameters): Adjust.
5548 (vt_initialize): Reset table. Adjust.
5550 2010-02-03 Richard Guenther <rguenther@suse.de>
5552 PR tree-optimization/42944
5553 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5554 (call_may_clobber_ref_p_1): Likewise. Properly handle
5555 malloc and calloc clobbering errno.
5557 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5559 * doc/invoke.texi: Fix name of sched1 dump.
5561 * opts.c (decode_options): Set flag_tree_switch_conversion
5562 only conditionally on optimize >= 2.
5564 * gcse.c: Assorted comment fixes in pass description.
5566 2010-02-03 Anthony Green <green@moxielogic.com>
5568 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5569 nop padding in order to maintain alignment of storage location of
5570 target function address.
5571 (moxie_trampoline_init): Store target function address at newly
5573 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5575 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5577 2010-02-03 Richard Guenther <rguenther@suse.de>
5580 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5582 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5584 * config.gcc: Reenable check for obsolete targets.
5585 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5586 mips-sgi-irix6.[0-4]*.
5588 2010-02-02 Nick Clifton <nickc@redhat.com>
5590 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5591 constant size of 4 as being the same as 0.
5592 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5593 can take values in the range 0..4.
5595 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5598 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5599 as _darwin10_Unwind_FindEnclosingFunction().
5600 * libgcc-libsystem.ver: New.
5602 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5605 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5606 implicitly set registers.
5608 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5610 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5611 (arm_override_options): Allow automatic selection of the thread
5612 pointer register if thumb2.
5613 (legitimize_pic_address): Improve code sequences for Thumb2.
5614 (arm_call_tls_get_addr): Likewise.
5615 (legitimize_tls_address): Likewise.
5616 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5617 (pic_load_addr_32bit): ... this. New named pattern.
5618 * thumb2.md (pic_load_addr_thumb2): Delete.
5619 (pic_load_dot_plus_four): Delete.
5620 (tls_load_dot_plus_four): New named pattern.
5622 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5625 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5626 Document fix for TLS bug.
5628 2010-01-31 Richard Guenther <rguenther@suse.de>
5630 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5631 conservatively correct.
5633 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5637 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5639 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5641 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5643 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5645 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5647 * config.gcc: Adjust order of makefile fragments for mingw targets.
5649 2010-01-31 Richard Guenther <rguenther@suse.de>
5652 * gimplify.c (gimplify_init_constructor): For volatile LHS
5653 initialize a temporary.
5655 2010-01-31 Matthias Klose <doko@ubuntu.com>
5657 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5659 * configure: Regenerate.
5661 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5663 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5664 the same alias set and their sizes different constantness.
5665 (aliasing_component_refs_p): Revert 2009-10-24 change.
5667 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5669 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5672 2010-01-29 Richard Guenther <rguenther@suse.de>
5674 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5675 Assert we successfully updated the call.
5677 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5679 PR rtl-optimization/42889
5680 * df.h (df_set_bb_dirty_nonlr): New prototype.
5681 * df-core.c (df_set_bb_dirty_nonlr): New function.
5682 * df-scan.c (df_insn_rescan): Call it instead of
5683 df_set_bb_dirty for DEBUG_INSNs.
5685 2010-01-29 Richard Guenther <rguenther@suse.de>
5688 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5689 quadratic behavior in most cases.
5691 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5694 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5695 in the call to gen_x86_movsicc_0_m1.
5697 2010-01-28 Richard Guenther <rguenther@suse.de>
5699 PR tree-optimization/42871
5700 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5702 2010-01-28 Richard Guenther <rguenther@suse.de>
5704 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5705 into call arguments.
5707 2010-01-28 Richard Guenther <rguenther@suse.de>
5710 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5711 the forwarder if the destination is an EH landing pad.
5713 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5715 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5716 block list passed to gimple_duplicate_sese_tail.
5717 (parallelize_loops): Avoid parallelization when the function
5719 Avoid parallelization when the preheader is IRREDUCIBLE.
5720 Try to optimize when estimated_loop_iterations_int is unresolved.
5721 Add the loop's location to the dump file.
5722 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5723 (gimple_duplicate_sese_tail): Remove the check for the latch.
5724 Redirect nexits to the exit block.
5725 Remove handling of the incoming edges to the latch.
5726 Redirect the backedge from the copied latch to the exit bb.
5728 2010-01-28 Michael Matz <matz@suse.de>
5731 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5732 Wrap force_reg into a sequence, emit it before user.
5734 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5736 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5738 (arm_legacy_rev): Likewise.
5739 (thumb_legacy_rev): Likewise.
5741 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5743 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5744 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5745 on MEM's address failed, try avoid_constant_pool_reference and
5746 recurse if it returned something different.
5747 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5748 address, try avoid_constant_pool_reference and recurse if it
5749 returned something different.
5750 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5751 address and avoid_constant_pool_reference returned something
5752 different, don't set have_address.
5754 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5757 * var-tracking.c (val_store): Add modified argument, obey it.
5759 (count_uses): Move down logging of main.
5760 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5761 don't need resolution.
5762 (emit_notes_in_bb): Likewise.
5764 2010-01-27 Richard Guenther <rguenther@suse.de>
5767 * tree-inline.c (remap_decl): Delay remapping of SSA name
5768 default definitions until we need them.
5770 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5772 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5773 (rs6000_delegitimize_address): New function.
5775 * config/s390/s390.c (s390_delegitimize_address): Call
5776 delegitimize_mem_from_attrs.
5779 * tree-inline.c (cannot_copy_type_1): Removed.
5780 (copy_forbidden): Don't forbid copying of functions containing
5781 records/unions with variable length fields.
5783 2010-01-27 Christian Bruel <christian.bruel@st.com>
5787 * config/sh/sh.c (find_barrier): Increase length for non delayed
5788 conditional branches.
5790 2010-01-27 Matthias Klose <doko@ubuntu.com>
5792 * configure.ac (gnu-unique-object): Fix ldd version check.
5793 * configure: Regenerate.
5795 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5797 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5799 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5800 Test for HAVE_GNU_AS value.
5802 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5804 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5805 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5806 INT64_TYPE): Define.
5807 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5808 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5809 INT_LEAST64_TYPE): Define.
5810 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5811 UINT_LEAST64_TYPE): Define.
5812 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5813 INT_FAST64_TYPE): Define.
5814 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5815 UINT_FAST64_TYPE): Define.
5816 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5817 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5818 (SIG_ATOMIC_TYPE): Define.
5820 2010-01-26 Richard Guenther <rguenther@suse.de>
5822 * df-scan.c (df_scan_set_bb_info): Remove assert.
5823 (df_insn_rescan_debug_internal): Merge asserts.
5824 (df_install_ref): Likewise.
5825 (df_mark_reg): Use bitmap_set_range.
5826 (df_hard_reg_used_p): Remove assert.
5827 (df_hard_reg_used_count): Likewise.
5829 2010-01-26 Richard Guenther <rguenther@suse.de>
5831 PR rtl-optimization/42685
5832 * web.c (web_main): Ignore DEBUG_INSNs.
5834 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5836 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5838 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5839 Fix types of fndecl and arglist parameters.
5841 2010-01-26 Richard Guenther <rguenther@suse.de>
5844 * tree-eh.c (unsplit_eh): Skip debug insns.
5846 2010-01-26 Richard Guenther <rguenther@suse.de>
5848 PR tree-optimization/42250
5849 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5851 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5854 * omp-low.c (expand_omp_sections): Only use single_pred if
5855 l2_bb is single_pred_p.
5857 2010-01-25 Christian Bruel <christian.bruel@st.com>
5860 * config/sh/sh.c (find_barrier): Increase length for non delayed
5861 conditional branches.
5862 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5864 2010-01-24 David S. Miller <davem@davemloft.net>
5866 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5867 define if not using GAS.
5868 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5869 Likewise. Delete SECTION_MERGE code, which is only applicable
5872 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5875 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5876 mangling of va_list in system headers.
5878 2010-01-23 Toon Moene <toon@moene.org>
5880 * tree-predcom.c (combine_chains): Return NULL, not false.
5882 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5884 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5885 initialization of variable res to agree with return type.
5887 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5889 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5890 * tree-sra.c: Add include of expr.h.
5892 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5894 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5895 insert the debug stmt on the single non-EH edge from the stmt.
5897 2010-01-22 Richard Henderson <rth@redhat.com>
5900 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5901 the RHS until after generate_subtree_copies has insertted its
5902 code before the current statement.
5904 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5906 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5908 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5910 2010-01-21 Martin Jambor <mjambor@suse.cz>
5912 PR tree-optimization/42585
5913 * tree-sra.c (struct access): New field grp_total_scalarization.
5914 (dump_access): Dump the new field.
5915 (should_scalarize_away_bitmap): New variable.
5916 (cannot_scalarize_away_bitmap): Likewise.
5917 (sra_initialize): Allocate new bitmaps.
5918 (sra_deinitialize): Free new bitmaps.
5919 (create_access_1): New function.
5920 (create_access): Parts moved to create_access_1.
5921 (type_consists_of_records_p): New function.
5922 (completely_scalarize_record): Likewise.
5923 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5924 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5925 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5927 (analyze_all_variable_accesses): Completely scalarize small eligible
5930 2010-01-21 Martin Jambor <mjambor@suse.cz>
5932 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5934 2010-01-21 Andrew Haley <aph@redhat.com>
5936 * gcc.c (process_command): Move lang_specific_driver before
5937 setting cc_libexec_prefix.
5939 2010-01-21 Richard Guenther <rguenther@suse.de>
5942 * fold-const.c (negate_expr_p): Pretend only negative
5943 real constants are easily negatable.
5945 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5946 Jason Merrill <jason@redhat.com>
5948 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5949 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5950 * calls.c (initialize argument_information): Handle it.
5951 * c-common.c (handle_transparent_union_attribute): Use new name.
5952 * c-decl.c (finish_struct): Ditto.
5953 * c-typeck.c (type_lists_compatible_p): Ditto.
5954 (convert_for_assignment): Use new name and also handle record.
5955 * function.c (aggregate_value_p): Handle it.
5956 (pass_by_reference): Ditto.
5957 (assign_parm_data_types): Ditto.
5958 * print-tree.c (print_node): Ditto.
5959 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5960 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5961 * tree.c (first_field): New fn.
5963 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5966 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5967 even when linking statically, for now.
5969 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5972 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5973 without a cselib val.
5974 (count_uses): Accept MO_VAL_SET with no val on stores.
5975 (add_stores): Likewise.
5977 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5979 * var-tracking.c (check_value_val): Add a compile time assertion.
5980 (dv_is_decl_p): Simplify.
5981 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5982 gcc_assert if ENABLE_CHECKING.
5984 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5987 * var-tracking.c: Include tree-flow.h.
5988 (mem_dies_at_call): New.
5989 (dataflow_set_preserve_mem_locs): Use it.
5990 (dataflow_set_remove_mem_locs): Likewise.
5991 (dump_var): Renamed from dump_variable. Adjust all callers.
5992 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5993 * Makefile.in (var-tracking.o): Adjust deps.
5995 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5997 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5999 2010-01-20 Richard Guenther <rguenther@suse.de>
6001 PR tree-optimization/42717
6002 * tree-ssa-dce.c (get_live_post_dom): Remove.
6003 (forward_edge_to_pdom): Take an arbitrary edge to copy
6004 degenerate PHI args from.
6005 (remove_dead_stmt): Use the first post-dominator even if it
6006 does not contain live statements as redirection destination.
6008 2010-01-20 Richard Guenther <rguenther@suse.de>
6010 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6012 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6014 * sel-sched.c (create_speculation_check): Remove set but not used
6016 (try_transformation_cache): Remove set but not used variable ds.
6017 (calculate_privileged_insns): Remove set but not used variables
6018 cur_insn and min_spec_insn.
6019 (find_best_expr): Remove set but not used variable avail_n.
6020 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6022 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6024 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6025 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6028 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6031 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6032 cpu types. Add support for *-sse3 cpu types.
6033 (x86_64-*-*): Ditto.
6035 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6038 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6039 argument, call initializer_constant_valid_p_1 instead of
6040 initializer_constant_valid_p, pass CACHE to it, return NULL
6041 immediately if first call returns NULL.
6042 (initializer_constant_valid_p_1): New function.
6043 (initializer_constant_valid_p): Use it.
6045 2010-01-20 Thomas Quinot <quinot@adacore.com>
6047 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6049 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6051 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6052 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6053 (loc_list_from_tree): Don't handle unsigned division. Handle
6054 signed modulo using DW_OP_{over,over,div,mul,minus}.
6055 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6056 modulo instead of signed.
6058 2010-01-20 DJ Delorie <dj@redhat.com>
6060 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6062 (h8300_emit_stack_adjustment): Propogate it.
6064 (h8300_expand_prologue): Likewise.
6065 (h8300_expand_epilogue): Likewise.
6067 2010-01-19 Michael Matz <matz@suse.de>
6069 PR tree-optimization/41783
6070 * tree-data-ref.c (toplevel): Include flags.h.
6071 (dump_data_dependence_relation): Also dump the inputs if the
6072 result will be unknown.
6073 (split_constant_offset_1): Look through some conversions.
6074 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6075 the offset from last element is too large.
6076 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6077 (reassociate_to_the_same_stmt): Handle vector registers.
6078 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6080 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6081 wide_prolog_niters argument, emit widening instructions.
6082 (vect_do_peeling_for_alignment): Adjust caller, use widened
6083 variant of the iteration cound.
6084 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6086 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6089 * config/arm/neon-testgen.m (emit_automatics): New parameter
6090 features. Adjust for Fixed_return_reg feature.
6091 (test_intrinsic): Call emit_automatics with new feature.
6092 * config/arm/neon.ml: Update copyright years.
6093 (features): New Fixed_return_reg feature.
6094 (ops): Update feature for Vget_low.
6096 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6098 PR tree-optimization/42719
6099 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6103 * fwprop.c (all_uses_available_at): Return false if def_set dest
6104 is a REG that is used in def_insn.
6106 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6108 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6110 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6113 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6115 * target.h (struct gcc_target) <secondary_reload>: Change type
6116 of last argument to secondary_reload_info *.
6118 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6121 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6122 memory references with unaligned offsets. Remove CQImode handling.
6123 (unaligned_memory_operand): Return 1 for memory references with
6124 unaligned offsets. Remove CQImode handling.
6126 2010-01-18 Richard Guenther <rguenther@suse.de>
6129 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6132 2010-01-18 Richard Guenther <rguenther@suse.de>
6134 PR tree-optimization/42781
6135 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6136 restrict processing only if the original variable was artificial.
6138 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6140 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6141 find number of popped argument bytes.
6143 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6144 Fix the text that describes the return value for invalid insns.
6146 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6148 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6149 Clarify what 'cost of the -dependence' is. Fix quoting.
6151 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6152 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6154 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6156 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6157 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6159 2010-01-17 Richard Guenther <rguenther@suse.de>
6162 * function.c (split_complex_args): Take a VEC to modify.
6163 (assign_parms_augmented_arg_list): Build a VEC instead of
6164 a chain of PARM_DECLs.
6165 (assign_parms_unsplit_complex): Take a VEC of arguments.
6166 Do not fixup unmodified parms.
6167 (assign_parms): Deal with the VEC.
6168 (gimplify_parameters): Likewise.
6170 2010-01-17 Richard Guenther <rguenther@suse.de>
6172 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6173 node existence check.
6174 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6175 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6176 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6177 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6178 (gimple_execute_on_growing_pred): Likewise.
6180 2010-01-17 Richard Guenther <rguenther@suse.de>
6182 PR tree-optimization/42773
6183 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6184 (compute_antic_aux): Likewise.
6185 (compute_partial_antic_aux): Likewise.
6187 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6190 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6193 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6195 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6198 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6199 Fix markup for strict argument.
6201 (TARGET_SCHED_REORDER2): Fix argument types.
6203 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6204 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6206 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6207 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6209 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6212 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6213 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6214 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6215 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6216 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6218 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6220 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6222 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6223 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6225 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6227 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6230 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6232 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6233 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6235 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6237 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6239 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6240 referring to it. Fix language.
6242 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6244 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6246 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6248 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6250 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6251 '@var{stream}. Remove stray 'and'.
6253 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6255 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6257 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6259 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6260 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6262 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6263 Fix description of return value.
6264 Rename argument "sz" to "len."
6266 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6267 Clarify meaning of 'true' return value.
6269 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6271 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6272 rep_mode versus mode_rep.
6274 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6276 (TARGET_BUILTIN_DECL): Fix name.
6278 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6280 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6282 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6284 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6286 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6288 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6291 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6292 Rename argument tm_fn to md_fn.
6294 (TARGET_OPTION_PRINT): Fix argument list.
6296 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6299 * config/i386/i386.c (ix86_fixup_binary_operands):
6300 Revert FMA4 fixup of operands.
6302 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6305 * Makefile.in (write_entries_to_file, install-plugin):
6306 Use \012 instead of \n with tr.
6308 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6310 * configure.ac (HAVE_AS_REF): New C macro.
6311 * configure: Regenerate.
6312 * config.in: Likewise.
6313 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6315 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6318 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6320 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6322 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6324 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6326 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6328 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6330 (TARGET_BINDS_LOCAL_P): Fix argument type.
6332 (TARGET_ASM_FILE_END): Use prototype.
6334 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6336 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6338 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6340 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6342 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6343 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6345 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6346 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6348 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6349 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6350 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6351 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6353 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6355 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6357 (TARGET_INIT_BUILTINS): Use prototype.
6359 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6360 Put 'const char *' in braces. Fix parameter types.
6361 (TARGET_INVALID_CONVERSION): Fix parameter types.
6362 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6363 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6365 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6368 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6370 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6372 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6374 * doc/tm.texi (TARGET_HELP): Fix return type.
6376 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6377 in braces. Fix argument types.
6379 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6381 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6383 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6385 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6386 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6388 (TARGET_MANGLE_TYPE): Fix argument types.
6390 (TARGET_IRA_COVER_CLASSES): Use prototype.
6392 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6394 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6396 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6398 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6400 (TARGET_CALLEE_COPIES): Fix argument types.
6402 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6404 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6406 (TARGET_FUNCTION_VALUE): Fix argument types.
6408 (TARGET_RETURN_IN_MSB): Fix argument type.
6410 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6412 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6414 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6416 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6417 agree with return type.
6419 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6421 2010-01-15 Jing Yu <jingyu@google.com>
6423 PR rtl-optimization/42691
6424 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6425 a pseudo to a constant and are merged, and adjust comments.
6427 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6429 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6431 2010-01-15 Richard Guenther <rguenther@suse.de>
6434 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6435 labels of computed or non-local gotos to the destination.
6436 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6437 landing pad label is the first label.
6439 2010-01-15 Richard Guenther <rguenther@suse.de>
6441 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6443 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6446 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6447 to allow generation of the xssqrtdp instruction on power7.
6448 (sqrtdf2_fpr): Ditto.
6450 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6453 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6454 functions with noreturn attribute.
6457 * varasm.c (declare_weak): Add weak attribute to decl if it
6458 doesn't have one already.
6459 (assemble_external): Only add decls to weak_decls if they also
6460 have weak attribute.
6462 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6464 * var-tracking.c (var_reg_delete): Don't delete the association
6465 between REGs and values or one-part variables if the register
6468 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6471 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6472 because its first operand is a non-localized variable.
6474 2010-01-14 Martin Jambor <mjambor@suse.cz>
6476 PR tree-optimization/42706
6477 * tree-sra.c (encountered_recursive_call): New variable.
6478 (encountered_unchangable_recursive_call): Likewise.
6479 (sra_initialize): Initialize both new variables.
6480 (callsite_has_enough_arguments_p): New function.
6481 (scan_function): Call decl and flags check only for IPA-SRA, check
6482 whether there is a recursive call and whether it has enough arguments.
6483 (all_callers_have_enough_arguments_p): New function.
6484 (convert_callers): Look for recursive calls only when
6485 encountered_recursive_call is set.
6486 (ipa_early_sra): Bail out either if
6487 !all_callers_have_enough_arguments_p or
6488 encountered_unchangable_recursive_call.
6490 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6492 * sel-sched.c: Add 2010 to copyright years.
6493 * sel-sched-ir.c: Likewise.
6494 * sel-sched-ir.h: Likewise.
6496 2010-01-14 Martin Jambor <mjambor@suse.cz>
6498 PR tree-optimization/42714
6499 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6500 constructors specially.
6502 2010-01-14 Andi Kleen <ak@linux.intel.com>
6504 * config/i386/drivers-i386.c (detect_caches_intel):
6505 Add l2sizekb parameter and fill in.
6506 (host_detect_local_cpu): Add l2sizekb, fill in.
6507 Add Atom small cache heuristic.
6509 2010-01-14 Andi Kleen <ak@linux.intel.com>
6511 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6512 Add level3 parameter and fill in.
6513 (detect_caches_intel): Handle level3 cache.
6515 2010-01-14 Andi Kleen <ak@linux.intel.com>
6517 * config/i386/drivers-i386.c (host_detect_local_cpu):
6518 Fix core duo detection.
6520 2010-01-14 Andi Kleen <ak@linux.intel.com>
6522 * config/i386/drivers-i386.c (host_detect_local_cpu):
6525 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6527 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6528 (rs6000_variable_issue_1): this. Use...
6529 (rs6000_variable_issue): here. Reimplement. Print debug info.
6531 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6533 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6534 sel_restore_notes. Update all callers. Call reemit_notes
6537 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6539 PR rtl-optimization/42246
6540 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6543 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6545 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6546 all successors is the same as number of successors in current region.
6548 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6550 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6551 to rename is not separable. Otherwise check that its LHS is not NULL.
6553 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6555 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6557 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6559 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6560 available registers when failed to discover LHS register class.
6561 Fix indentation. Update comment.
6563 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6564 Alexander Monakov <amonakov@ispras.ru>
6566 PR rtl-optimization/42389
6567 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6569 (advance_state_on_fence): Likewise.
6570 (sel_target_adjust_priority): Print debug output only when
6571 sched_verbose >= 4, not 2.
6572 (get_expr_cost): Do not issue all unique insns on the next cycle.
6573 (fill_insns): Initialize can_issue_more from the value saved
6575 * sel-sched-ir.c (flist_add): New parameter issue_more.
6576 Init FENCE_ISSUE_MORE with it.
6577 (merge_fences): Likewise.
6578 (init_fences): Update call to flist_add.
6579 (add_to_fences, add_clean_fence_to_fences)
6580 (add_dirty_fence_to_fences): Likewise.
6581 (move_fence_to_fences): Update call to merge_fences.
6582 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6584 * sel-sched-ir.h (struct _fence): New field issue_more.
6585 (FENCE_ISSUE_MORE): New accessor macro.
6587 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6589 PR rtl-optimization/42388
6590 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6591 that have no predecessors nor successors. Do not call move_bb_info
6592 for empty blocks outside of current region.
6594 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6596 PR rtl-optimization/42294
6597 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6598 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6599 originators' originators.
6601 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6603 PR rtl-optimization/39453
6604 PR rtl-optimization/42246
6605 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6607 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6609 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6610 Alexander Monakov <amonakov@ispras.ru>
6613 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6614 (maybe_tidy_empty_bb): ... here. Make static. Add new
6615 argument. Update all callers.
6616 (tidy_control_flow): ... and here. Recompute topological order
6617 of basic blocks in region if necessary.
6618 (sel_redirect_edge_and_branch): Change return type. Return true
6619 if topological order might have been invalidated.
6620 (purge_empty_blocks): Export and move from...
6621 * sel-sched.c (purge_empty_blocks): ... here.
6622 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6623 (maybe_tidy_empty_bb): Delete prototype.
6624 (purge_empty_blocks): Declare.
6626 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6628 PR rtl-optimization/42249
6629 * sel-sched.c (try_replace_dest_reg): When chosen register
6630 and original register is the same, do not bail out early, but
6631 still check all original insns for validity of replacing destination
6632 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6635 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6638 Port from no-undefined-overflow branch:
6639 2009-03-09 Richard Guenther <rguenther@suse.de>
6641 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6643 2010-01-14 Richard Guenther <rguenther@suse.de>
6646 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6648 2010-01-14 Ira Rosen <irar@il.ibm.com>
6650 PR tree-optimization/42709
6651 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6652 as scalar type in creation of constant vector operand.
6654 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6657 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6658 (check-parallel-%): Match `testsuite' directory component only
6661 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6663 PR translation/39521
6664 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6667 2010-01-13 Richard Guenther <rguenther@suse.de>
6669 PR tree-optimization/42730
6670 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6673 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6676 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6677 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6680 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6682 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6683 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6684 ___umulsi3_highpart.
6686 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6687 rather than schedule_insns if the pass is enabled.
6689 2010-01-13 Martin Jambor <mjambor@suse.cz>
6691 PR tree-optimization/42704
6692 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6695 2010-01-13 Martin Jambor <mjambor@suse.cz>
6697 PR tree-optimization/42703
6698 * tree-sra.c (analyze_access_subtree): Check that we can build a
6699 reference to the original data within the aggregate.
6701 2010-01-13 Richard Guenther <rguenther@suse.de>
6703 PR tree-optimization/42705
6704 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6706 2010-01-13 Richard Guenther <rguenther@suse.de>
6709 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6711 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6714 * var-tracking.c (values_to_unmark): New variable.
6715 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6716 values_to_unmark vector. Moved body to...
6717 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6718 instead queue it into values_to_unmark vector.
6719 (vt_find_locations): Free values_to_unmark vector.
6721 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6723 * config/s390/s390.c (override_options): Set
6724 default of max-pending-list-length to 256
6726 2010-01-13 Richard Guenther <rguenther@suse.de>
6729 * tree-pass.h (PROP_gimple_lcx): New.
6730 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6731 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6732 before the final cleanup_eh.
6733 (dump_properties): Dump PROP_gimple_lcx.
6734 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6735 (tree_lower_complex_O0): Remove.
6736 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6737 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6738 tree_lower_complex, schedule TODO_update_ssa.
6739 * lto-streamer-out.c (output_function): Stream the functions
6741 * lto-streamer-in.c (input_function): Likewise.
6742 (lto_read_body): Do not override them here.
6744 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6747 * c-typeck.c (build_c_cast): Fold value cast to union type before
6748 wrapping it in a CONSTRUCTOR.
6750 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6752 PR rtl-optimization/42699
6753 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6756 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6758 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6759 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6760 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6761 SUBTARGET_WARN_UNUSED_SPEC): ... here
6762 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6764 2010-01-12 Julian Brown <julian@codesourcery.com>
6766 * config/arm/neon-schedgen.ml (Utils): Don't try to
6767 open missing module.
6768 (find_with_result): New.
6770 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6773 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6774 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6776 PR tree-optimization/42645
6777 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6778 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6779 decl_map, set processing_debug_stmt to -1 and return name without
6782 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6784 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6785 binutils version, and reword target configuration description.
6787 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6789 * config/avr/avr.h (LINKER_NAME): Remove.
6791 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6794 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6795 that support VSX, warn for -mno-altivec if vsx is not disabled,
6798 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6799 Shujing Zhao <pearly.zhao@oracle.com>
6801 PR translation/42469
6802 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6803 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6804 character between option name and help text.
6805 * c.opt (imultilib): Likewise.
6807 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6809 * lto-streamer-out.c (output_unreferenced_globals): Output static
6812 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6814 PR rtl-optimization/42621
6815 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6816 optimizing for size.
6817 (duplicate_computed_gotos): Remove now-redundant check.
6819 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6822 * configure.ac: Save and restore LDFLAGS and LIBS
6823 * configure: Regenerate.
6825 2010-01-10 Richard Guenther <rguenther@suse.de>
6828 * builtins.c (fold_builtin_strlen): Add type argument and
6829 convert the resulting length to it.
6830 (fold_builtin_1): Adjust.
6832 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6834 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6835 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6837 (num_insns_constant_wide): Adjust for that change.
6839 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6842 * web.c (union_defs): Add used argument, to combine uses of
6844 (entry_register): Adjust type and tests of used argument.
6845 (web_main): Widen used for new use. Pass it to union_defs.
6846 * df.h (union_defs): Adjust prototype.
6848 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6851 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6852 uses in new incoming argument. Free body.
6853 (reset_debug_uses_in_loop): New.
6854 (analyze_insn_to_expand_var): Call the latter if the former found
6855 anything. Fix whitespace. Reject invalid dest overlaps before
6856 going through all insns in the loop.
6858 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6861 * haifa-sched.c (dying_use_p): Debug insns don't count.
6863 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6866 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6867 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6868 (verify_gimple_call): Reject LHS in noreturn calls.
6870 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6874 * tree-vect-loop-manip.c (adjust_info): New type.
6875 (adjust_vec): New pointer to vector.
6876 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6877 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6878 (slpeel_update_phis_for_duplicate_loop): Use them.
6879 (slpeel_update_phi_nodes_for_guard1): Likewise.
6880 (slpeel_update_phi_nodes_for_guard2): Likewise.
6881 (slpeel_tree_peel_loop_to_edge): Likewise.
6882 (vect_update_ivs_after_vectorizer): Likewise.
6884 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6886 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6887 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6889 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6891 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6892 bogus uninitialized warning.
6894 2010-01-09 Richard Guenther <rguenther@suse.de>
6897 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6898 the evolution is compatible with the initial condition.
6900 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6902 * gcc.c (process_command): Update copyright notice dates.
6903 * gcov.c (print_version): Likewise.
6904 * gcov-dump.c (print_version): Likewise.
6905 * mips-tfile.c (main): Likewise.
6906 * mips-tdump.c (main): Likewise.
6908 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6911 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6913 (rotlhi3_8): Delete.
6915 (rotlsi3_8): Delete.
6916 (rotlsi3_16): Delete.
6917 (rotlsi3_24): Delete.
6919 (*rotw<mode>3): New.
6920 (*rotb<mode>3): New.
6921 * config/avr/avr.c (avr_rotate_bytes): New function.
6922 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6924 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6927 * configure.ac: Modify -rdynamic check.
6928 * configure: Regenerate.
6930 2010-01-08 DJ Delorie <dj@redhat.com>
6932 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6933 register popping order.
6935 2010-01-08 Richard Guenther <rguenther@suse.de>
6938 * c.opt (fsigned-char): Also let LTO handle this option.
6939 (funsigned-char): Likewise.
6941 2010-01-07 Richard Guenther <rguenther@suse.de>
6943 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6944 (gimple_op): Likewise.
6945 (gimple_op_ptr): Likewise.
6946 (gimple_assign_set_lhs): Remove gcc_assert.
6947 (gimple_assign_set_rhs1): Likewise.
6948 (gimple_assign_set_rhs2): Likewise.
6949 (gimple_call_set_lhs): Likewise.
6950 (gimple_call_set_fn): Likewise.
6951 (gimple_call_set_fndecl): Likewise.
6952 (gimple_call_fndecl): Likewise.
6953 (gimple_call_return_type): Likewise.
6954 (gimple_call_set_chain): Likewise.
6955 (gimple_call_num_args): Likewise.
6956 (gimple_call_set_arg): Likewise.
6957 (gimple_cond_set_code): Likewise.
6958 (gimple_cond_set_lhs): Likewise.
6959 (gimple_cond_set_rhs): Likewise.
6960 (gimple_cond_set_true_label): Likewise.
6961 (gimple_cond_set_false_label): Likewise.
6962 (gimple_label_set_label): Likewise.
6963 (gimple_goto_set_dest): Likewise.
6964 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6965 (gimple_debug_bind_get_value): Likewise.
6966 (gimple_debug_bind_get_value_ptr): Likewise.
6967 (gimple_debug_bind_set_var): Likewise.
6968 (gimple_debug_bind_set_value): Likewise.
6969 (gimple_debug_bind_reset_value): Likewise.
6970 (gimple_debug_bind_has_value_p): Likewise.
6971 (gimple_return_retval_ptr): Remove gcc_assert.
6972 (gimple_return_retval): Likewise.
6973 (gimple_return_set_retval): Likewise.
6974 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6975 (safe_referenced_var_iterator): Remove.
6976 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6977 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6978 (fill_referenced_var_vec): Remove.
6979 (first_readonly_imm_use): Remove redundant gcc_assert.
6980 (phi_arg_index_from_use): Combine gcc_asserts.
6981 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6982 (first_imm_use_stmt): Remove redundant gcc_assert.
6983 * tree-cfg.c (verify_gimple_call): Verify function and chain
6984 operands. Verify arguments.
6985 (verify_types_in_gimple_stmt): Verify condition code and labels.
6987 2010-01-07 Richard Guenther <rguenther@suse.de>
6989 PR tree-optimization/42641
6990 * sese.c (rename_map_elt_info): Use the SSA name version, do
6993 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6995 PR tree-optimization/42625
6996 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6997 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6999 2010-01-07 Duncan Sands <baldrick@free.fr>
7001 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7003 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7006 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7007 note itself is not function_invariant_p.
7009 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7011 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7012 Do not add the DF_NOTE problem.
7013 * store-motion.c (execute_rtl_store_motion): Likewise.
7015 2010-01-07 Martin Jambor <mjambor@suse.cz>
7017 PR tree-optimization/42157
7018 * tree-sra.c (compare_access_positions): Stabilize sort if both
7019 accesses have integer types, return zero immediately if they are the
7022 2010-01-06 Richard Henderson <rth@redhat.com>
7025 * haifa-sched.c (add_to_note_list): Merge into ...
7026 (concat_note_lists): ... here, and ...
7027 (unlink_other_notes, rm_other_notes): Merge into...
7028 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7029 NOTE_INSN_EPILOGUE_BEG.
7031 2010-01-06 Richard Guenther <rguenther@suse.de>
7033 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7034 not inline regular functions into always-inline functions.
7036 2010-01-06 Nick Clifton <nickc@redhat.com>
7038 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7039 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7041 (OVERRIDE_OPTIONS): Delete.
7042 (OPTIMIZATION_OPTIONS): Define.
7043 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7044 * config/rx/rx.c (rx_handle_option): Issue an error message if
7045 -mcpu=rx200 and -fpu are used together.
7046 (rx_set_optimization_options): New function. Issue an error
7047 message if an optimization attribute attempts to reset the FPU/
7048 math optimization pairing.
7049 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7050 * config/rx/rx.opt: Set the default to 32-bit doubles.
7051 * config/rx/t-rx: Add multilibs for -nofpu option.
7052 * doc/invoke.texi: Update documentation of RX options.
7054 2010-01-06 Richard Guenther <rguenther@suse.de>
7056 * tree-ssa-pre.c (name_to_id): New global.
7057 (alloc_expression_id): Simplify SSA name handling.
7058 (lookup_expression_id): Likewise.
7059 (init_pre): Zero name_to_id.
7060 (fini_pre): Free it.
7062 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7064 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7066 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7069 * config/i386/sse.md (smaxv2di3): New.
7070 (umaxv2di3): Likewise.
7071 (sminv2di3): Likewise.
7072 (uminv2di3): Likewise.
7074 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7077 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7078 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7079 (legitimize_tls_address): Likewise.
7080 (sparc_tls_referenced_p): Likewise.
7081 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7082 and adjust calls to legitimize_pic_address.
7083 (legitimate_constant_p) Use sparc_tls_referenced_p.
7084 (legitimate_pic_operand_p): Likewise.
7085 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7086 (sparc_tls_symbol_ref_1): Delete.
7087 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7088 (legitimize_tls_address): Make static, handle CONST patterns.
7089 (legitimize_pic_address): Make static, remove unused parameter and
7090 adjust recursive calls.
7091 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7092 and adjust call to legitimize_pic_address.
7093 (sparc_output_mi_thunk): Likewise.
7095 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7096 H.J. Lu <hongjiu.lu@intel.com>
7099 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7100 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7101 operands to make them signed.
7104 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7107 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7108 GTU to GT for V4SI and V2DI.
7110 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7111 (umin<mode>3): Removed.
7113 (uminv4si3): Likewise.
7115 2010-01-05 Martin Jambor <mjambor@suse.cz>
7117 PR tree-optimization/42462
7118 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7119 current_function_decl to helper functions and macros.
7121 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7124 * flags.h: Don't include real.h.
7125 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7126 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7127 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7128 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7129 * dominance.c: Update copyright.
7130 * gimple.c (walk_gimple_op): Remove inline.
7131 * tree-ssa-reassoc.c: Include real.h.
7132 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7133 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7135 2010-01-05 Nick Clifton <nickc@redhat.com>
7137 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7138 register to push into the stack frame when the accumulator has to
7139 be saved during interrupts.
7141 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7143 * doc/invoke.texi: Remove the documentation about option
7145 * common.opt (Wunreachable-code): Preserved for backward
7147 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7148 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7149 the backward compatibility flag section.
7151 2010-01-05 Richard Guenther <rguenther@suse.de>
7153 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7155 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7158 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7160 PR tree-optimization/42508
7161 * tree-sra.c (convert_callers): Check for recursive call
7162 by comparing cgraph nodes instead of decls.
7163 (modify_function): Call ipa_modify_formal_parameters also
7164 on all same_body aliases.
7166 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7167 cgraph nodes when checking for same_body aliases.
7169 2010-01-05 Richard Guenther <rguenther@suse.de>
7171 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7172 allocation and lookup.
7173 (get_or_alloc_expr_for_constant): Likewise.
7174 (phi_translate): Sink allocation.
7176 2010-01-04 Richard Guenther <rguenther@suse.de>
7178 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7179 a new entry only if needed.
7180 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7181 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7183 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7185 (phi_translate): Handle CONSTANTs early.
7187 2010-01-04 Martin Jambor <mjambor@suse.cz>
7189 PR tree-optimization/42398
7190 * tree-sra.c (struct access): Removed flag grp_different_types.
7191 (dump_access): Do not dump the removed flag.
7192 (sort_and_splice_var_accesses): Do not set the removed flag.
7193 (sra_modify_expr): Check for type compatibility directly.
7195 2010-01-04 Martin Jambor <mjambor@suse.cz>
7197 PR tree-optimization/42366
7198 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7199 edges with variable number of parameters.
7200 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7201 flag instead of asserting it.
7202 (ipa_read_node_info): Read uses_analysis_done flag.
7204 2010-01-04 Richard Guenther <rguenther@suse.de>
7206 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7207 iterative_hash_* as intended.
7208 (vn_reference_compute_hash): Likewise. Simplify hashing
7210 (vn_reference_lookup_2): Likewise.
7211 (vn_nary_op_compute_hash): Likewise.
7212 (vn_phi_compute_hash): Likewise.
7213 (expressions_equal_p): Remove strange code.
7214 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7215 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7216 (bitmap_insert_into_set_1): Take value-id as parameter.
7217 (add_to_value): Pass it.
7218 (bitmap_insert_into_set): Likewise.
7219 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7221 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7224 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7225 (do_self_spec): For switches with SWITCH_IGNORE set set also
7226 SWITCH_IGNORE_PERMANENTLY.
7227 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7230 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7232 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7233 tree of an unreferenced global var.
7235 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7238 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7239 GTU to GT for V4SI and V2DI.
7241 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7242 (umin<mode>3): Removed.
7244 (uminv4si3): Likewise.
7246 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7249 * collect2.c (main): Turn on trace in collect2 if -v is passed
7252 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7254 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7255 description of expression operand.
7257 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7259 * configure.ac: Add install-html to target_list for Make-hooks.
7260 * configure: Regenerate.
7261 * fortran/Make-lang.in (F95_HTMLFILES): New.
7262 (fortran.html): Use it.
7263 (fortran.install-html): New.
7264 * Makefile.in (install-html): Add lang.install-html.
7265 * java/Make-lang.in (JAVA_HTMLFILES): New.
7266 (java.html): Use it.
7267 (java.install-html): New.
7268 * objc/Make-lang.in (objc.install-html): New.
7269 * objcp/Make-lang.in (obj-c++.install-html): New.
7270 * cp/Make-lang.in (c++.install-html): New.
7271 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7272 * lto/Make-lang.in (lto.install-html): New.
7274 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7277 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7279 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7281 PR rtl-optimization/41862
7282 * store-motion.c (store_killed_in_insn, compute_store_table,
7283 remove_reachable_equiv_notes, replace_store_insn,
7284 build_store_vectors): Ignore all DEBUG_INSNs.
7286 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7289 * common.opt: Add dumpdir.
7291 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7293 (option_map): Add --dumpdir.
7295 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7297 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7299 * opts.c (decode_options): Try dump_dir_name first if
7300 dump_base_name isn't an absolute path.
7301 (common_handle_option): Handle OPT_dumpdir.
7303 * toplev.c (dump_dir_name): New.
7304 (print_switch_values): Also ignore -dumpdir.
7306 * toplev.h (dump_dir_name): New.
7308 2010-01-03 Richard Guenther <rguenther@suse.de>
7310 PR tree-optimization/42589
7311 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7312 double-word expansion of bswap32.
7314 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7316 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7317 with BLOCK_FOR_INSN.
7318 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7319 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7320 noce_process_if_block): Likewise.
7321 * gcse.c (compute_local_properties, insert_expr_in_table,
7322 insert_set_in_table, canon_list_insert, find_avail_set,
7323 pre_insert_copy_insn): Likewise.
7325 * basic-block.h (BLOCK_NUM): Move from here...
7326 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7328 2010-01-03 Richard Guenther <rguenther@suse.de>
7330 PR tree-optimization/42438
7331 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7332 contains_may_not_return_call flag.
7333 (BB_MAY_NOTRETURN): New.
7334 (valid_in_sets): Trapping nary operations are not valid
7335 in blocks that may not return.
7336 (insert_into_preds_of_block): Remove check for trapping expressions.
7337 (compute_avail): Compute also BB_MAY_NOTRETURN.
7339 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7341 * doc/invoke.texi: Add 2010 to copyright years.
7343 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7345 * config/sparc/sparc.c: Fix formatting nits.
7347 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7348 Alexander Monakov <amonakov@ispras.ru>
7350 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7352 2010-01-02 Richard Guenther <rguenther@suse.de>
7355 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7356 (simplify_switch_using_ranges): Mark to be removed edges
7359 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7361 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7363 * collect2.c (scan_libraries): Add missing argument in call to
7366 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7369 * config/alpha/predicates.md (aligned_memory_operand): Return false
7371 (unaligned_memory_operand): Return true for CQImode.
7372 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7373 doesn not cross aligned SImode word boundary.
7375 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7377 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7379 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7380 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7382 2010-01-02 Richard Guenther <rguenther@suse.de>
7385 * toplev.c (compile_file): Emit LTO marker properly. Change
7387 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7389 2010-01-01 Richard Guenther <rguenther@suse.de>
7392 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7394 2010-01-01 Richard Guenther <rguenther@suse.de>
7397 * c-decl.c (grokdeclarator): For zero-size arrays force
7398 structural equality checks as layout_type does.
7400 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7402 * builtins.c: Update copyright to 2010.
7404 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7407 * lto-streamer-out.c (produce_asm): Revert the last change.
7408 (copy_function): Likewise.
7410 * lto-streamer.c (lto_get_section_name): Skip any leading
7413 2010-01-01 Richard Guenther <rguenther@suse.de>
7416 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7420 Copyright (C) 2010 Free Software Foundation, Inc.
7422 Copying and distribution of this file, with or without modification,
7423 are permitted in any medium without royalty provided the copyright
7424 notice and this notice are preserved.