1 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
4 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
5 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
6 here to determine which regs to push and how much stack to reserve.
8 2010-04-27 Jie Zhang <jie@codesourcery.com>
10 * doc/gimple.texi (gimple_statement_with_ops): Remove
11 addresses_taken field.
12 (gimple_statement_with_memory_ops): Likewise.
14 2010-04-27 Jan Hubicka <jh@suse.cz>
16 * tree-inline.c (eni_inlining_weights): Remove.
17 (estimate_num_insns): Special case more builtins.
19 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
22 * c-typeck.c (build_binary_op): Move forward check for comparison
23 pointer with null pointer constant and adjust the diagnostic message.
25 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
28 * configure.ac (gcc_cv_as_section_has_align): Set if installed
29 binutils supports extended .section directive needed by LTO, or
30 warn if older binutils found.
31 (LTO_BINARY_READER): New AC_SUBST'd variable.
32 (LTO_USE_LIBELF): Likewise.
33 * gcc/config.gcc (lto_binary_reader): New target-specific configure
35 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
36 (LTO_USE_LIBELF): Likewise.
37 * configure: Regenerate.
39 * collect2.c (is_elf): Rename from this ...
40 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
41 object files in addition to ELF-formatted ones.
42 (scan_prog_file): Caller updated. Also allow for LTO info marker
43 symbol to be prefixed or not by an extra underscore.
45 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
46 * config/i386/winnt.c: Also #include lto-streamer.h
47 (i386_pe_asm_named_section): Specify 1-byte section alignment for
49 (i386_pe_asm_output_aligned_decl_common): Add comment.
50 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
52 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
55 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
56 Add missing earlyclobber for second alternative.
58 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
60 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
61 bits for artificial defs at the top of the block.
62 * fwprop.c (single_def_use_enter_block): Don't call it.
64 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
67 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
68 instead of "$gcc_cv_objdump -T".
69 Use "-undefined dynamic_lookup" on darwin.
70 * gcc/configure: Regenerate.
72 2010-04-26 Jakub Jelinek <jakub@redhat.com>
75 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
77 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
79 * c-parser.c (struct c_token): Move location field up.
80 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
81 (struct c_declspecs): Convert typespec_word, storage_class, and
82 default_int_p into bitfields.
83 (struct c_declarator): Move loc field up.
85 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
87 * cfgloop.h (struct loop): Move can_be_parallel field up.
88 * ipa-prop.h (struct ip_node_params): Move bitfields up.
89 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
91 (struct iv_cand): Convert pos field into a bitfield.
92 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
94 (struct _stmt_vec_info): Shuffle fields for better packing.
96 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
98 * varasm.c (IN_NAMED_SECTION): Remove guard.
99 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
100 (IN_NAMED_SECTION_P): ...this.
101 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
102 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
104 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
106 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
107 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
108 of shadowing it. Fix comments.
110 2010-04-26 Jan Hubicka <jh@suse.cz>
112 * cgraph.c (cgraph_create_node): Set node frequency to normal.
113 (cgraph_clone_node): Copy function frequency.
114 * cgraph.h (node_frequency): New enum
115 (struct cgraph_node): Add.
116 * final.c (rest_of_clean_state): Update.
117 * lto-cgraph.c (lto_output_node): Output node frequency.
118 (input_overwrite_node): Input node frequency.
119 * tre-ssa-loop-ivopts (computation_cost): Update.
120 * lto-streamer-out.c (output_function): Do not output function
122 * predict.c (maybe_hot_frequency_p): Update and handle functions
124 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
126 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
127 (compute_function_frequency): Set noreturn functions to be executed
129 (choose_function_section): Update.
130 * lto-streamer-in.c (input_function): Do not input function frequency.
131 * function.c (allocate_struct_function): Do not initialize function
133 * function.h (function_frequency): Remove.
134 (struct function): Remove function frequency.
135 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
136 (try_update): Update.
137 * tree-inline.c (initialize_cfun): Do not update function frequency.
138 * passes.c (pass_init_dump_file): Update.
139 * i386.c (ix86_compute_frame_layout): Update.
140 (ix86_pad_returns): Update.
142 2010-04-26 Jie Zhang <jie@codesourcery.com>
144 PR tree-optimization/43833
145 * tree-vrp.c (range_int_cst_p): New.
146 (range_int_cst_singleton_p): New.
147 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
148 when both operands are constants. Use range_int_cst_p in
151 2010-04-26 Jan Hubicka <jh@suse.cz>
153 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
155 2010-04-26 Richard Guenther <rguenther@suse.de>
158 * gimple.c (gimple_decl_printable_name): Deal gracefully
159 with a NULL DECL_NAME.
161 2010-04-26 Richard Guenther <rguenther@suse.de>
164 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
165 if emitting debug information and it is either a function
168 2010-04-26 Ira Rosen <irar@il.ibm.com>
170 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
171 determine if the statement is vectorizable, and a macro to
173 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
174 Skip statements that can't be vectorized. If the analysis
175 fails, mark the statement as unvectorizable if vectorizing
177 (vect_compute_data_refs_alignment): Likewise.
178 (vect_verify_datarefs_alignment): Skip statements marked as
179 unvectorizable. Add print.
180 (vect_analyze_group_access): Skip statements that can't be
181 vectorized. If the analysis fails, mark the statement as
182 unvectorizable if vectorizing basic block.
183 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
185 * tree-vect-stmts.c (vectorizable_store): Fix the number of
186 generated stmts for SLP.
187 (new_stmt_vec_info): Initialize the new field.
188 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
189 statements marked as unvectorizable.
191 2010-04-25 Joseph Myers <joseph@codesourcery.com>
193 * c-common.c (flag_isoc1x): New.
194 (flag_isoc99): Update comment.
195 * c-common.h (flag_isoc1x): New.
196 (flag_isoc99): Update comment.
197 * c-cppbuiltin.c (builtin_define_float_constants): Also define
198 __<type>_DECIMAL_DIG__.
199 * c-opts.c (set_std_c1x): New.
200 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
201 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
202 * c.opt (-std=c1x, -std=gnu1x): New options.
203 * doc/cpp.texi: Mention -std=c1x.
204 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
205 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
206 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
207 * doc/standards.texi: Mention C1X.
208 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
209 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
210 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
213 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
215 * config/i386/gmon-sol2.c (_mcleanup): Change format string
216 placeholder from 0x%x to %#x.
217 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
218 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
219 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
220 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
221 * config/i386/i386.c (ix86_target_string): Ditto.
222 (output_pic_addr_const): Ditto.
223 (print_operand): Ditto.
225 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
227 * combine.c (find_split_point): Add third argument. Use it
228 to find nested multiply-accumulate instructions. Adjust calls.
229 (try_combine): Adjust call to find_split_point.
231 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
233 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
235 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
237 PR tree-optimization/41442
238 * fold-const.c (merge_truthop_with_opposite_arm): New function.
239 (fold_binary_loc): Call it.
241 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
243 * toplev.c (general_init): Set default for fdiagnostics-show-option.
244 * opts.c (common_handle_option): Allow disabling it.
245 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
247 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
249 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
250 between modes if both types are integral.
252 2010-04-23 Richard Guenther <rguenther@suse.de>
254 PR tree-optimization/43572
255 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
257 2010-04-23 Richard Guenther <rguenther@suse.de>
260 * tree-inline.c (tree_can_inline_p): Also check compatibility
263 2010-04-23 Martin Jambor <mjambor@suse.cz>
265 PR tree-optimization/43846
266 * tree-sra.c (struct access): New flag grp_assignment_read.
267 (build_accesses_from_assign): Set grp_assignment_read.
268 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
269 (enum mark_read_status): New type.
270 (analyze_access_subtree): Propagate grp_assignment_read, create
271 accesses also if both direct_read and root->grp_assignment_read.
273 2010-04-23 Martin Jambor <mjambor@suse.cz>
276 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
277 function does not have type attributes.
279 2010-04-23 Richard Guenther <rguenther@suse.de>
282 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
285 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
287 * sese.h (create_if_region_on_edge): Remove.
289 * sese.c (create_if_region_on_edge): Make static.
291 * tree-inline.c: Do not include ggc.h.
293 * expr.c: Do not include ggc.h.
295 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
298 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
301 * config/sh/sh.c (find_barrier): Don't emit a constant pool
302 in the middle of insns for casesi_worker_2.
304 2010-04-22 David Edelsohn <edelsohn@gnu.org>
306 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
308 2010-04-22 Ira Rosen <irar@il.ibm.com>
310 PR tree-optimization/43842
311 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
312 loop unrolling in update of exit phis. Fix comment.
313 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
314 least two reduction statements in the loop before starting SLP
317 2010-04-22 Nick Clifton <nickc@redhat.com>
319 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
321 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
323 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
326 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
328 * tree-parloops.c (loop_parallel_p): New argument
329 parloop_obstack. Pass it down.
330 (parallelize_loops): New variable parloop_obstack. Initialize it,
331 pass it down, free it.
333 * tree-loop-linear.c (linear_transform_loops): Pass down
336 * tree-data-ref.h (lambda_compute_access_matrices): New argument
337 of type struct obstack *.
339 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
340 scratch_obstack. Initialize it, pass down, free it.
342 * lambda.h (lambda_loop_new): Remove.
343 (lambda_matrix_new, lambda_matrix_inverse)
344 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
345 argument of type struct obstack *.
347 * lambda-trans.c (lambda_trans_matrix_new): New argument
348 lambda_obstack. Pass it down, use obstack allocation for ret.
349 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
352 * lambda-mat.c (lambda_matrix_get_column)
353 (lambda_matrix_project_to_null): Remove.
354 (lambda_matrix_new): New argument lambda_obstack. Use obstack
356 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
359 * lambda-code.c (lambda_loop_new): New function.
360 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
361 (lambda_compute_auxillary_space, lambda_compute_target_space)
362 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
363 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
364 (build_access_matrix): New argument lambda_obstack. Use obstack
366 (lambda_compute_step_signs, lambda_compute_access_matrices): New
367 argument lambda_obstack. Pass it down.
369 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
371 * optabs.h (expand_widening_mult): Declare.
373 2010-04-22 Richard Guenther <rguenther@suse.de>
375 PR tree-optimization/43845
376 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
377 lookup the CALL_EXPR function and arguments.
379 2010-04-22 Nick Clifton <nickc@redhat.com>
381 * config/stormy16/stormy16.c
382 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
383 * config/stormy16/stormy16.h: Tidy up formatting.
384 (DONT_USE_BUILTIN_SETJMP): Remove definition.
385 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
386 (ineqbranchsi): Delete pattern.
387 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
388 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
389 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
390 stormy16-lib2-ucmpsi2.c.
392 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
394 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
395 df_simulate_find_noclobber_defs as appropriate. Keep track of an
396 extra set merge_set_noclobber, and use it to relax the final test
398 * df.h (df_simulate_find_noclobber_defs): Declare.
399 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
401 (df_simulate_find_noclobber_defs): New function.
403 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
405 * config/i386/i386.md: Use {} around multi-line preparation statements.
407 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
409 * c-tree.h (push_init_level, pop_init_level, set_init_index)
410 (process_init_element): New argument of type struct obstack *.
412 * c-typeck.c (push_init_level, pop_init_level, set_designator)
413 (set_init_index, set_init_label, set_nonincremental_init)
414 (set_nonincremental_init_from_string, find_init_member)
415 (output_init_element, output_pending_init_elements)
416 (process_init_element): New argument braced_init_obstack. Pass it
418 (push_range_stack, add_pending_init): New argument
419 braced_init_obstack. Use obstack allocation.
421 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
422 braced_init_obstack. Pass it down.
423 (c_parser_braced_init): New variables ret, braced_init_obstack.
424 Initialize obstack, pass it down and finally free it.
426 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
429 * tree-pass.h (pass_optimize_widening_mul): Declare.
430 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
431 gate_optimize_widening_mul): New static functions.
432 (pass_optimize_widening_mul): New.
433 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
434 <case MULT_EXPR>: Remove support for widening multiplies.
435 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
436 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
437 simplify_gen_unary rather than directly building extensions.
438 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
440 * expmed.c (expand_widening_mult): New function.
441 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
443 2010-04-21 Jan Hubicka <jh@suse.cz>
445 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
446 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
447 * lto-wpa-fixup.c: Remove.
448 * Makefile.in (lto-wpa-fixup.o): Remove.
449 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
450 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
451 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
453 2010-04-21 Jan Hubicka <jh@suse.cz>
455 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
456 add write_optimization_summary, read_optimization_summary.
457 (ipa_write_summaries_of_cgraph_node_set): Remove.
458 (ipa_write_optimization_summaries): Declare.
459 (ipa_read_optimization_summaries): Declare.
460 * ipa-cp.c (pass_ipa_cp): Update.
461 * ipa-reference.c (pass_ipa_reference): Update.
462 * ipa-pure-const.c (pass_ipa_pure_const): Update.
463 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
465 * ipa-inline.c (pass_ipa_inline): Update.
466 * ipa.c (pass_ipa_whole_program): Update.
467 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
468 * passes.c (ipa_write_summaries_1): Do not test wpa.
469 (ipa_write_optimization_summaries_1): New.
470 (ipa_write_optimization_summaries): New.
471 (ipa_read_summaries): Do not test ltrans.
472 (ipa_read_optimization_summaries_1): New.
473 (ipa_read_optimization_summaries): New.
475 2010-04-21 Jan Hubicka <jh@suse.cz>
477 * lto-cgraph.c (lto_output_node): Do not output comdat groups
479 (output_cgraph): Do not arrange comdat groups for boundary nodes.
481 2010-04-21 Jakub Jelinek <jakub@redhat.com>
484 * dwarf2out.c (add_name_and_src_coords_attributes): Add
485 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
487 2010-04-21 Jan Hubicka <jh@suse.cz>
489 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
491 2010-04-21 Jan Hubicka <jh@suse.cz>
493 * varpool.c (decide_is_variable_needed): Variable is always needed
496 2010-04-21 Jan Hubicka <jh@suse.cz>
498 * opts.c (decode_options): Enable pure-const pass for whopr.
500 2010-04-21 Jan Hubicka <jh@suse.cz>
502 * cgraph.c (dump_cgraph_node): Dump also assembler name.
503 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
505 (cgraph_decide_inlining): Do not expect callee to be removed in all
508 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
510 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
512 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
514 * config/i386/i386.md (x86_shrd): Add athlon_decode and
515 amdfam10_decode attributes.
517 2010-04-21 Jakub Jelinek <jakub@redhat.com>
520 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
521 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
522 (lower_copyprivate_clauses): Use private var in outer
523 context instead of original var. Make sure the types
524 are correct for VLAs.
526 2010-04-21 Richard Guenther <rguenther@suse.de>
528 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
529 to non-pointer objects.
531 2010-04-21 Jakub Jelinek <jakub@redhat.com>
533 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
534 last chain entry if it starts with the still current label.
535 (add_location_or_const_value_attribute): Check that
536 loc_list->first->next is NULL instead of comparing ->first with ->last.
537 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
538 to add_var_loc_to_decl.
540 * dwarf2out.c (output_call_frame_info): For dw_cie_version
541 >= 4 add also address size and segment size fields into CIE header.
543 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
544 long as address size is the same as sizeof (void *) and
546 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
547 address size or segment size is unexpected, return DW_EH_PE_omit.
548 (classify_object_over_fdes): If get_cie_encoding returned
549 DW_EH_PE_omit, return -1.
550 (init_object): If classify_object_over_fdes returned -1,
551 pretend there were no FDEs at all.
553 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
555 * config/i386/i386.md (bswap<mode>2): Macroize expander from
556 bswap{si,di}2 using SWI48 mode iterator.
557 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
558 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
559 set modrm attribute of bswap insn to 0 and remove length attribute.
560 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
561 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
562 set mode attribute to <MODE> and remove length attribute.
564 2010-04-20 James E. Wilson <wilson@codesourcery.com>
566 PR rtl-optimization/43520
567 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
568 zero available registers.
570 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
572 * builtins.c (fold_builtin_cproj): Fold more cases.
574 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
577 (fold_builtin_1): Fold builtin cproj.
578 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
579 Use ATTR_CONST_NOTHROW_LIST.
581 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
583 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
584 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
585 ffsi2_no_cmove for !TARGET_CMOVE.
586 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
587 (ffssi2): Remove expander.
588 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
590 (ctz<mode>2): Ditto from ctz{si,di}2.
591 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
593 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
596 2010-04-20 Jakub Jelinek <jakub@redhat.com>
598 * dwarf2out.c (AT_linkage_name): Define.
599 (clone_as_declaration): Handle DW_AT_linkage_name.
600 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
601 of DW_AT_MIPS_linkage_name.
602 (move_linkage_attr): Likewise.
603 (dwarf2out_finish): Likewise.
605 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
608 * fold-const.c (fold_comparison): New folding rule.
610 2010-04-20 Anatoly Sokolov <aesok@post.ru>
612 * double-int.h (double_int_setbit): Declare.
613 * double-int.c (double_int_setbit): New function.
614 * rtl.h (immed_double_int_const): Declare.
615 * emit-rtl.c (immed_double_int_const): New function.
616 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
617 and immed_double_int_const functions.
618 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
619 expand_copysign_bit): (Ditto.).
620 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
621 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
622 * dojump.c (prefer_and_bit_test): (Ditto.).
623 * expr.c (convert_modes, reduce_to_bit_field_precision,
624 const_vector_from_tree): (Ditto.).
625 * expmed.c (mask_rtx, lshift_value): (Ditto.).
627 2010-04-20 Jan Hubicka <jh@suse.cz>
629 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
630 (dump_cgraph_node): Dump new flags.
631 * cgraph.h (struct cgraph_node): Add flags
632 reachable_from_other_partition and in_other_partition.
633 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
634 other partition can not be removed.
635 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
636 the other partition must be output; silence sanity checking on
637 leaking functions bodies from other paritition.
638 * lto-cgraph.c (reachable_from_other_partition_p): New function.
639 (lto_output_node): Output new flags; do not sanity check that inline
640 clones are output; drop lto_forced_extern_inline_p code; do not mock
641 visibility flags at partition boundaries.
642 (add_node_to): New function.
643 (output_cgraph): Use it to sort functions so masters appear before
645 (input_overwrite_node): Input new flags.
646 * passes.c (ipa_write_summaries): Do not call
647 lto_new_extern_inline_states.
648 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
649 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
650 lto_forced_extern_inline_p): Kill.
651 * lto-streamer.h (lto_new_extern_inline_states,
652 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
653 lto_forced_extern_inline_p): Kill.
655 2010-04-20 Richard Guenther <rguenther@suse.de>
657 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
658 from vars that can have pointers.
659 (process_constraint): Dump useless constraints.
661 2010-04-20 Richard Guenther <rguenther@suse.de>
663 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
664 (dump_sa_points_to_info): Remove asserts.
665 (init_base_vars): nothing_id isn't an escape point nor does it
668 2010-04-20 Jakub Jelinek <jakub@redhat.com>
670 * tree.h (TYPE_REF_IS_RVALUE): Define.
671 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
672 should_move_die_to_comdat, prune_unused_types_walk): Handle
673 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
674 (modified_type_die, gen_reference_type_die): Emit
675 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
676 if TYPE_REF_IS_RVALUE and -gdwarf-4.
678 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
681 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
682 calls for -fpic -m31 if they have been sibcall optimized.
684 2010-04-19 James E. Wilson <wilson@codesourcery.com>
686 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
687 ar.lc fixed and call-used.
689 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
691 2010-04-19 Jan Hubicka <jh@suse.cz>
693 * opts.c (decode_options): Disable whpr incompatible passes.
694 * lto/lto.c (lto_1_to_1_map): Skip clones.
695 (read_cgraph_and_symbols): Do not mark everything as needed.
696 (do_whole_program_analysis): Do map only after optimizing;
697 set proper cgraph_state; use passmanager.
699 2010-04-19 DJ Delorie <dj@redhat.com>
701 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
702 POINTER_PLUS_EXPR and fix them.
704 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
706 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
707 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
708 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
709 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
710 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
711 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
712 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
713 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
714 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
715 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
716 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
718 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
720 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
721 (check_cond_move_block): Likewise.
722 (cond_move_process_if_block): Likewise.
723 (noce_find_if_block): Improve formatting.
724 (find_if_header): Pass 0 to memset and tweak conditions.
725 (cond_exec_find_if_block): Fix long lines and tweak conditions.
727 2010-04-19 Jakub Jelinek <jakub@redhat.com>
729 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
733 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
734 with non-local decl doesn't need chain.
736 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
738 * ira-color.c (allocno_reload_assign): Avoid accumulating
739 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
741 2010-04-19 Martin Jambor <mjambor@suse.cz>
743 * gimple.h (create_tmp_reg): Declare.
744 * gimplify.c (create_tmp_reg): New function.
745 (gimplify_return_expr): Use create_tmp_reg.
746 (gimplify_omp_atomic): Likewise.
747 (gimple_regimplify_operands): Likewise.
748 * tree-dfa.c (make_rename_temp): Likewise.
749 * tree-predcom.c (predcom_tmp_var): Likewise.
750 (reassociate_to_the_same_stmt): Likewise.
751 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
752 (get_replaced_param_substitute): Likewise.
753 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
754 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
755 * tree-ssa-pre.c (get_representative_for): Likewise.
756 (create_expression_by_pieces): Likewise.
757 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
758 (create_tailcall_accumulator): Likewise.
760 2010-04-19 Martin Jambor <mjambor@suse.cz>
762 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
764 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
766 2010-04-19 Richard Guenther <rguenther@suse.de>
768 PR tree-optimization/43796
769 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
770 from SCEV in the lattice.
771 (vrp_visit_phi_node): Dump change.
773 2010-04-19 Richard Guenther <rguenther@suse.de>
775 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
776 * configure: Re-generated.
778 2010-04-19 Richard Guenther <rguenther@suse.de>
780 PR tree-optimization/43783
781 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
782 constant ARRAY_REF operands two and three if possible.
784 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
787 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
789 2010-04-19 Jie Zhang <jie@codesourcery.com>
792 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
794 2010-04-19 Ira Rosen <irar@il.ibm.com>
796 PR tree-optimization/37027
797 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
798 and macro to access it.
799 (vectorizable_reduction): Add argument.
800 (vect_get_slp_defs): Likewise.
801 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
802 statements for possible use in SLP.
803 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
804 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
805 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
807 (vectorizable_reduction): Likewise.
808 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
810 (vectorizable_type_demotion, vectorizable_type_promotion,
811 vectorizable_store): Likewise.
812 (vect_analyze_stmt): Update call to vectorizable_reduction.
813 (vect_transform_stmt): Likewise.
814 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
815 (vect_build_slp_tree): Fix indentation. Check that there are no loads
816 from different interleaving chains in same node.
817 (vect_slp_rearrange_stmts): New function.
818 (vect_supported_load_permutation_p): Allow load permutations for
819 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
820 inside SLP nodes if necessary.
821 (vect_analyze_slp_instance): Handle reductions.
822 (vect_analyze_slp): Try to build SLP instances originating from groups
824 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
825 (vect_get_constant_vectors): Create initial vectors for reductions
826 according to reduction code. Add new argument.
827 (vect_get_slp_defs): Add new argument, pass it to
828 vect_get_constant_vectors.
829 (vect_schedule_slp_instance): Remove SLP tree root statements.
831 2010-04-19 Jakub Jelinek <jakub@redhat.com>
833 * tree.h (ENUM_IS_SCOPED): Define.
834 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
835 for ENUM_IS_SCOPED enums.
837 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
839 * fold-const.c (fold_comparison): Use ssizetype.
840 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
841 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
842 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
843 * tree-object-size.c (compute_object_sizes): Use size_type_node.
845 * tree.h (initialize_sizetypes): Remove parameter.
846 (build_common_tree_nodes): Remove second parameter.
847 * stor-layout.c (initialize_sizetypes): Remove parameter.
848 Always create an unsigned type.
849 (set_sizetype): Assert that the passed type is unsigned and simplify.
850 * tree.c (build_common_tree_nodes): Remove second parameter.
851 Adjust call to initialize_sizetypes.
852 * c-decl.c (c_init_decl_processing): Remove second argument in call to
853 build_common_tree_nodes.
855 2010-04-18 Matthias Klose <doko@ubuntu.com>
857 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
859 2010-04-18 Ira Rosen <irar@il.ibm.com>
861 PR tree-optimization/43771
862 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
863 load permutation doesn't have gaps.
865 2010-04-18 Jan Hubicka <jh@suse.cz>
867 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
868 (sse_prologue_save_insn expander): Use new pattern.
869 (sse_prologue_save_insn1): New pattern and splitter.
870 (sse_prologue_save_insn): Update to deal also with 64bit aligned
872 * i386.c (setup_incoming_varargs_64): Do not compute jump
874 (ix86_gimplify_va_arg): Update alignment needed.
875 (ix86_local_alignment): Do not align all local arrays to 128bit.
877 2010-04-17 Jan Hubicka <jh@suse.cz>
879 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
881 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
883 * arm.md (negdi2): Remove redundant code to force values into a
886 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
888 * arm/bpabi.S: Add EABI alignment attributes to objects.
889 * arm/bpabi-v6m.S: Likewise.
890 * arm/crti.asm: Likewise.
891 * arm/crtn.asm: Likewise.
892 * arm/lib1funcs.asm: Likewise.
893 * arm/libunwind.S: Likewise.
895 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
897 * arm-protos.h (tune_params): New structure.
898 * arm.c (current_tune): New variable.
899 (arm_constant_limit): Delete.
900 (struct processors): Add pointer to the tune parameters.
901 (arm_slowmul_tune): New tuning option.
902 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
903 (all_cores): Adjust to pick up the tuning model.
904 (arm_constant_limit): New function.
905 (arm_override_options): Select the appropriate tuning model. Delete
906 initialization of arm_const_limit.
907 (arm_split_constant): Use the new constant-limit model.
908 (arm_rtx_costs): Pick up the current tuning model.
909 * arm.md (is_strongarm, is_xscale): Delete.
910 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
911 for Xscale variant architectures.
912 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
914 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
916 * config/arm/arm.c (arm_gen_constant): Remove unused variable
918 (arm_rtx_costs_1): Remove unused variable extra_cost.
919 (arm_unwind_emit_set): Use variable offset.
920 (thumb1_output_casesi): Remove unused variable flags.
922 2010-04-16 Jeff Law <law@redhat.com>
924 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
925 needing assignment rather than doing a two-phase assignment. Remove
928 2010-04-16 Jakub Jelinek <jakub@redhat.com>
931 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
933 2010-04-16 Doug Kwan <dougkwan@google.com>
935 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
936 (next_operand_entry_id): New static variable.
937 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
938 (add_to_ops_vec): Assigned unique ID to operand entry.
939 (struct oecount_s): New field ID.
940 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
941 (undistribute_ops_list): Assign unique IDs to oecounts.
942 (init_reassoc): reset next_operand_entry_id.
944 2010-04-16 Doug Kwan <dougkwan@google.com>
946 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
947 missing left parenthesis.
949 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
951 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
952 *btdi_rex64 using SWI48 mode iterator.
953 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
954 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
955 *jcc_btdi_mask_rex64.
957 2010-04-16 Anatoly Sokolov <aesok@post.ru>
959 * double-int.h (tree_to_double_int): Convert to macro.
960 * double-int.c (tree_to_double_int): Remove.
962 2010-04-16 Jakub Jelinek <jakub@redhat.com>
965 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
966 with want_address 2 and in case a single element list might be
967 possible, call it again with want_address 0.
969 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
971 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
972 case 'W' print operands for HI mode.
973 * config/h8300/h8300.h (Y0, Y2) : New constraints.
974 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
975 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
976 * config/h8300/predicate.md (bit_register_indirect_operand): New.
978 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
980 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
981 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
982 #xx:3 and #xx:4 mode.
984 * config/h8300/h8300.md (inverted load with HImode dest): Add
987 * config/h8300/predicate.md (bit_operand): Allow immediate values that
988 satisfy 'U' constraint.
990 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
992 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
993 * configure: Regenerate.
994 * config.in: Regenerate.
995 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
998 2010-04-16 Richard Guenther <rguenther@suse.de>
1000 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1001 (struct tree_decl_common): ... here.
1002 (DECL_PT_UID): Adjust.
1003 (SET_DECL_PT_UID): Likewise.
1004 (DECL_PT_UID_SET_P): Likewise.
1006 2010-04-16 Richard Guenther <rguenther@suse.de>
1008 PR tree-optimization/43572
1009 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1010 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1011 * tree-flow.h (is_call_clobbered): Remove.
1012 * tree-flow-inline.h (is_call_clobbered): Likewise.
1013 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1014 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1015 (execute_return_slot_opt): Adjust.
1016 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1017 check for call clobbered vars here.
1018 (find_tail_calls): Move tailcall verification to the
1021 2010-04-16 Diego Novillo <dnovillo@google.com>
1023 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1025 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1028 * config/arm/arm.md (cbranchqi4): New pattern.
1029 * config/arm/predicates.md (const0_operand,
1030 cbranchqi4_comparison_operator): New predicates.
1032 2010-04-16 Richard Guenther <rguenther@suse.de>
1034 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1035 (dump_gimple_stmt): Likewise.
1037 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1039 * recog.h (struct recog_data): New field is_operator.
1040 (struct insn_operand_data): New field is_operator.
1041 * recog.c (extract_insn): Set recog_data.is_operator.
1042 * genoutput.c (output_operand_data): Emit code to set the
1044 * reload.c (find_reloads): Use it rather than testing for an
1045 empty constraint string.
1048 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1049 If the previous insn is a cbranchsi4_insn with the same arguments,
1050 omit the compare instruction.
1052 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1053 register, inputs must be low registers and we need a low register
1054 scratch. Handle alternative 2 like alternative 3.
1056 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1058 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1059 don't call get_addr on both. If one expression is a VALUE and
1060 the other a REG, check VALUE's locs if the REG isn't among them.
1062 2010-04-16 Christian Bruel <christian.bruel@st.com>
1064 * config/sh/sh.h (sh_frame_pointer_required): New function.
1065 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1066 (flag_omit_frame_pointer) Set.
1067 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1068 (rounded_frame_size): Adjust size with outgoing_args_size.
1069 (sh_set_return_address): Must return from stack pointer.
1070 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1071 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1072 (ACCUMULATE_OUTGOING_ARGS): Define.
1073 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1074 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1076 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1079 * config/sh/sh.c (sh_legitimize_reload_address): Use
1080 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1081 Remove a unneeded check for offset_base.
1083 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1085 * configure: Regenerated.
1087 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1089 * config/s390/s390.c (s390_call_save_register_used): Switch back
1090 to HARD_REGNO_NREGS.
1092 2010-04-15 Richard Guenther <rguenther@suse.de>
1094 * alias.c (alias_set_subset_of): Handle alias-set zero
1097 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1098 Julian Brown <julian@codesourcery.com>
1100 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1101 alternatives according to use of high and low regs.
1102 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1103 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1104 optimizing for size on Thumb-2.
1106 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1108 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1110 2010-04-15 Richard Guenther <rguenther@suse.de>
1112 * tree-ssa-structalias.c (struct variable_info): Add
1114 (new_var_info): Initialize it.
1115 (dump_constraints): Support printing last added constraints.
1116 (debug_constraints): Adjust.
1117 (dump_constraint_graph): Likewise.
1118 (make_heapvar_for): Check for NULL cfun.
1119 (get_function_part_constraint): New function.
1120 (get_fi_for_callee): Likewise.
1121 (find_func_aliases): Properly implement IPA PTA constraints.
1122 (process_ipa_clobber): New function.
1123 (find_func_clobbers): Likewise.
1124 (insert_into_field_list_sorted): Remove.
1125 (create_function_info_for): Properly allocate vars for IPA mode.
1126 Do not use insert_into_field_list_sorted.
1127 (create_variable_info_for): Properly generate constraints for
1128 global vars in IPA mode.
1129 (dump_solution_for_var): Always dump the solution.
1130 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1131 (find_what_var_points_to): Adjust.
1132 (pt_solution_set): Change.
1133 (pt_solution_ior_into): New function.
1134 (pt_solution_empty_p): Export.
1135 (pt_solution_includes_global): Adjust.
1136 (pt_solution_includes_1): Likewise.
1137 (pt_solutions_intersect_1): Likewise.
1138 (dump_sa_points_to_info): Check some invariants.
1139 (solve_constraints): Move constraint dumping ...
1140 (compute_points_to_sets): ... here.
1141 (ipa_pta_execute): ... and here.
1142 (compute_may_aliases): Do not re-compute points-to info
1143 locally if IPA info is available.
1144 (ipa_escaped_pt): New global var.
1145 (ipa_pta_execute): Properly implement IPA PTA.
1146 * tree-into-ssa.c (dump_decl_set): Support dumping
1147 decls not in referenced-vars.
1148 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1149 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1150 (dump_points_to_solution): Likewise.
1151 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1152 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1153 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1154 (copy_decl_to_var): Copy DECL_PT_UID.
1155 (copy_result_decl_to_var): Likewise.
1156 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1157 (copy_node_stat): Copy it.
1158 * tree.h (DECL_PT_UID): New macro.
1159 (SET_DECL_PT_UID): Likewise.
1160 (DECL_PT_UID_SET_P): Likewise.
1161 (struct tree_decl_minimal): Add pt_uid member.
1162 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1163 (pt_solution_empty_p): Declare.
1164 (pt_solution_set): Adjust.
1165 (ipa_escaped_pt): Declare.
1166 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1167 * gimple-pretty-print.c (pp_points_to_solution): New function.
1168 (dump_gimple_call): Dump call clobber/use information.
1169 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1170 * tree-pass.h (TDF_ALIAS): New dump option.
1171 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1172 * doc/invoke.texi (-fipa-pta): Update documentation.
1174 2010-04-15 Richard Guenther <rguenther@suse.de>
1176 * Makefile.in (OBJS-common): Add gimple-fold.o.
1177 (gimple-fold.o): New rule.
1178 * tree.h (maybe_fold_offset_to_reference,
1179 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1181 * gimple.h: ... here.
1182 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1183 may_propagate_address_into_dereference): Move prototypes ...
1184 * gimple.h: ... here.
1185 * tree-ssa-ccp.c (get_symbol_constant_value,
1186 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1187 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1188 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1189 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1190 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1191 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1192 gimplify_and_update_call_from_tree): Move ...
1193 * gimple-fold.c: ... here. New file.
1194 (ccp_fold_builtin): Rename to ...
1195 (gimple_fold_builtin): ... this.
1196 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1198 2010-04-15 Richard Guenther <rguenther@suse.de>
1200 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1201 fit_double_type, force_fit_type_double, add_double_with_sign,
1202 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1203 lrotate_double, rrotate_double, div_and_round_double): Move ...
1204 * double-int.c: ... here.
1205 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1206 add_double, neg_double, mul_double_with_sign, mul_double,
1207 lshift_double, rshift_double, lrotate_double, rrotate_double,
1208 div_and_round_double): Move prototypes ...
1209 * double-int.h: ... here.
1211 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1214 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1215 matching constraints to ensure inputs match the output.
1217 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1220 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1221 in an input-only operand.
1223 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1225 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1226 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1227 (double_int_negative_p): Convert to static inline function.
1228 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1229 (double_int_negative_p): Remove.
1230 * tree.h (lshift_double, rshift_double):
1231 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1232 * fold-const.c (fold_convert_const_int_from_real,
1233 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1234 (lshift_double): Change type of arith argument to bool.
1235 (rshift_double): Change type of arith argument to bool. Correct
1237 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1239 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1242 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1243 at the start and end of the then/else blocks, and omit them from the
1245 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1246 argument; all callers changed. Pass zero to old_insns_match_p instead.
1247 (flow_find_head_matching_sequence): New function.
1248 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1249 * basic-block.h (flow_find_cross_jump,
1250 flow_find_head_matching_sequence): Declare functions.
1252 2010-04-14 Jason Merrill <jason@redhat.com>
1255 * c-common.c (attribute_takes_identifier_p): New fn.
1256 * c-common.h: Declare it.
1258 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1260 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1262 (*udivmod<mode>4): Ditto.
1264 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1266 * config/i386/i386.md (maxmin_int): Rename code attribute from
1267 maxminiprefix and update all users.
1268 (maxmin_float): Ditto from maxminfprefix.
1269 (logic): Ditto from logicprefix.
1270 (absneg_mnemonic): Ditto from absnegprefix.
1271 * config/i386/mmx.md: Update all users of maxminiprefix,
1272 maxminfprefix and logicprefix for rename.
1273 * config/i386/sse.md: Ditto.
1274 * config/i386/sync.md (sync_<code><mode>): Update for
1277 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1280 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1281 warnings converted to errors.
1283 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1285 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1286 used insn_type variable.
1287 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1288 to avoid set-but-not-used warning.
1290 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1292 * df-core.c (df_ref_debug): Change format string placeholder
1294 * dwarf2asm.c (dw2_asm_output_data_raw,
1295 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1296 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1297 * dwarf2out.c (output_cfi, output_cfi_directive,
1298 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1299 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1301 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1302 * print-rtl.c (print_rtx): Ditto.
1304 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1307 * builtins.c (expand_builtin_pow_root): New function to expand pow
1308 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1309 series of sqrt and cbrt calls under -ffast-math.
1310 (expand_builtin_pow): Call it.
1312 2010-04-14 Michael Matz <matz@suse.de>
1314 PR tree-optimization/42963
1315 * tree-cfg.c (touched_switch_bbs): New static variable.
1316 (group_case_labels_stmt): New function broken out from ...
1317 (group_case_labels): ... here, use the above.
1318 (start_recording_case_labels): Allocate touched_switch_bbs.
1319 (end_recording_case_labels): Deallocate it, call
1320 group_case_labels_stmt.
1321 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1323 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1325 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1328 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1330 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1332 2010-04-13 Jan Hubicka <jh@suse.cz>
1334 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1335 of optimized out static functions.
1336 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1337 cost computation. Also sanity check for overflows.
1338 (update_caller_keys): Update cgraph_edge_badness call; properly
1339 update fibheap and sanity check that it is up to date.
1340 (add_new_edges_to_heap): Update cgraph_edge_badness.
1341 (cgraph_decide_inlining_of_small_function): Likewise;
1342 add sanity checking that badness in heap is up to date;
1343 improve dumping of reason; Update badness of calls to the
1344 offline copy of function currently inlined; dump badness
1345 of functions not inlined because of unit growth limits.
1347 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1350 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1351 because of sign-extension change when converting to sizetype here...
1352 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1354 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1355 the folding to constants. Remove redundant final conversion.
1356 (fold_binary) <associate>: Do not associate if the re-association of
1357 constants alone overflows.
1358 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1359 to the end of the list.
1360 (multiple_of_p) <COND_EXPR>: New case.
1362 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1364 * opt-functions.awk (opt_sanitized_name): New.
1366 * optc-gen.awk: Use it
1367 * opth-gen.awk: Use it.
1369 2010-04-13 Martin Jambor <mjambor@suse.cz>
1371 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1372 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1373 children. Call replace_uses_with_default_def_ssa_name to handle
1376 2010-04-13 Michael Matz <matz@suse.de>
1379 * builtins.c (expand_builtin_interclass_mathfn): Also create
1380 a register if the predicate doesn't match.
1382 2010-04-13 Diego Novillo <dnovillo@google.com>
1384 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1385 * c-pch.c: Include timevar.h.
1386 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1387 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1388 * ggc-common.c: Include timevar.h.
1389 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1390 * timevar.def (TV_PCH_SAVE): Define.
1391 (TV_PCH_CPP_SAVE): Define.
1392 (TV_PCH_PTR_REALLOC): Define.
1393 (TV_PCH_PTR_SORT): Define.
1394 (TV_PCH_RESTORE): Define.
1395 (TV_PCH_CPP_RESTORE): Define.
1397 2010-04-13 Michael Matz <matz@suse.de>
1399 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1401 (can_reassociate_p): New function.
1402 (break_up_subtract_bb, reassociate_bb): Use it.
1404 2010-04-13 Richard Guenther <rguenther@suse.de>
1407 * builtins.c (c_readstr): Fix assert.
1409 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1411 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1412 when generating cltd insn.
1414 (*ashl<mode>3_1): Remove special handling for register operand 2.
1415 (*ashlsi3_1_zext): Ditto.
1416 (*ashlhi3_1): Ditto.
1417 (*ashlhi3_1_lea): Ditto.
1418 (*ashlqi3_1): Ditto.
1419 (*ashlqi3_1_lea): Ditto.
1420 (*<shiftrt_insn><mode>3_1): Ditto.
1421 (*<shiftrt_insn>si3_1_zext): Ditto.
1422 (*<shiftrt_insn>qi3_1_slp): Ditto.
1423 (*<rotate_insn><mode>3_1): Ditto.
1424 (*<rotate_insn>si3_1_zext): Ditto.
1425 (*<rotate_insn>qi3_1_slp): Ditto.
1427 2010-04-13 Richard Guenther <rguenther@suse.de>
1429 * tree-ssa-structalias.c (callused_id): Remove.
1430 (call_stmt_vars): New.
1431 (get_call_vi): Likewise.
1432 (lookup_call_use_vi): Likewise.
1433 (lookup_call_clobber_vi): Likewise.
1434 (get_call_use_vi): Likewise.
1435 (get_call_clobber_vi): Likewise.
1436 (make_transitive_closure_constraints): Likewise.
1437 (handle_const_call): Adjust to do per-call call-used handling.
1438 (handle_pure_call): Likewise.
1439 (find_what_var_points_to): Remove general callused handling.
1440 (init_base_vars): Likewise.
1441 (init_alias_vars): Initialize call_stmt_vars.
1442 (compute_points_to_sets): Process call-used and call-clobbered
1443 vars for call statements.
1444 (delete_points_to_sets): Free call_stmt_vars.
1446 2010-04-13 Richard Guenther <rguenther@suse.de>
1448 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1449 Only add RW dependence for dependence distance zero.
1450 Adjust maximal vectorization factor according to dependences.
1451 Move alignment handling ...
1452 (vect_find_same_alignment_drs): ... here. New function.
1453 (vect_analyze_data_ref_dependences): Adjust.
1454 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1455 (vect_analyze_data_refs): Adjust minimal vectorization factor
1456 according to data references.
1457 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1458 dependences before determining the vectorization factor.
1459 Analyze alignment after determining the vectorization factor.
1460 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1461 dependences before alignment.
1462 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1464 (vect_analyze_data_refs): Likewise.
1465 (MAX_VECTORIZATION_FACTOR): New define.
1467 2010-04-13 Duncan Sands <baldrick@free.fr>
1469 * except.h (lang_eh_type_covers): Remove.
1470 * except.c (lang_eh_type_covers): Likewise.
1472 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1473 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1475 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1476 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1477 UNITS_PER_LONG where it is ABI relevant.
1478 (s390_return_addr_rtx): Likewise.
1479 (s390_back_chain_rtx): Likewise.
1480 (s390_frame_area): Likewise.
1481 (s390_frame_info): Likewise.
1482 (s390_initial_elimination_offset): Likewise.
1483 (save_gprs): Likewise.
1484 (s390_emit_prologue): Likewise.
1485 (s390_emit_epilogue): Likewise.
1486 (s390_function_arg_advance): Likewise.
1487 (s390_function_arg): Likewise.
1488 (s390_va_start): Likewise.
1489 (s390_gimplify_va_arg): Likewise.
1490 (s390_function_profiler): Likewise.
1491 (s390_optimize_prologue): Likewise.
1492 (s390_rtx_costs): Likewise.
1493 (s390_secondary_reload): Likewise.
1494 (s390_promote_function_mode): Likewise.
1495 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1496 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1497 registers available.
1498 (s390_unwind_word_mode): New function.
1499 (s390_function_value): Split 64 bit values into register pair if
1500 used as return value.
1501 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1502 function call parameters. Handle parallels.
1503 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1504 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1505 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1506 (s390_expand_setmem): Remove unused variable src_addr.
1507 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1508 deal with 64 bit registers.
1509 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1510 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1511 (UNITS_PER_LONG): New macro.
1512 * libjava/include/s390-signal.h: Define extended ucontext
1513 structure containing the upper halfs of the 64 bit registers.
1515 2010-04-13 Simon Baldwin <simonb@google.com>
1517 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1519 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1521 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1522 rvalue on the RHS if the LHS is of a non-renamable type.
1523 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1525 2010-04-13 Matthias Klose <doko@ubuntu.com>
1527 * gcc.c (cc1_options): Handle -iplugindir before processing
1528 the cc1 spec. Only add -iplugindir once.
1529 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1531 * common.opt (iplugindir): Remove `Separate' property, initialize.
1532 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1534 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1535 (distclean): Remove plugin dir.
1536 * doc/invoke.texi: Document -iplugindir.
1538 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1540 * doc/plugins.texi (Loading Plugins): Document short
1541 -fplugin=foo option.
1542 (Plugin API): Mention default_plugin_dir_name function.
1544 * gcc.c (find_file_spec_function): Add new declaration.
1545 (static_spec_func): Use it for "find-file".
1546 (find_file_spec_function): Add new function.
1547 (cc1_options): Add -iplugindir option if -fplugin* options found.
1549 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1551 * plugin.c (add_new_plugin): Updated comment, and handle short
1553 (default_plugin_dir_name): Added new function.
1555 * common.opt (iplugindir): New option to set the plugin directory.
1557 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1559 * config/i386/i386.md (any_rotate): New code iterator.
1560 (rotate_insn): New code attribute.
1562 (SWIM124): New mode iterator.
1563 (<rotate_insn>ti3): New expander.
1564 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1565 any_rotate code iterator.
1566 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1567 using any_rotate code iterator and SWIM124 mode iterator.
1568 (ix86_rotlti3): New insn_and_split pattern.
1569 (ix86_rotrti3): Ditto.
1570 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1571 ix86_rotl{di,ti}3 patterns.
1572 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1573 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1574 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1575 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1576 code iterator and SWI mode iterator.
1577 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1578 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1580 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1581 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1582 (bswap rotatert splitter): Add splitter.
1583 (bswap splitter): Macroize splitter using any_rotate code iterator.
1584 Add insn predicate to split only for TARGET_USE_XCHGB or when
1585 optimizing function for size.
1587 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1589 * config/pa/pa.c (emit_move_sequence): Remove use of
1590 deleted variable flag_argument_noalias.
1592 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1594 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1596 Add to unsupported targets list.
1597 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1598 sparc*-sun-solaris2.[567]* from target lists.
1599 * configure: Regenerate.
1600 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1602 Remove Solaris 7 patch references.
1603 (Specific, sparc-sun-solaris2.7): Removed.
1604 (sparc-sun-solaris2*): Update Solaris 7 example.
1605 (sparc64-*-solaris2*): Likewise.
1607 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1609 * config.build (alpha*-dec-osf4*): Remove.
1610 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1611 of obsolete configurations.
1612 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1614 * config/alpha/t-osf4: Renamed to ...
1615 * config/alpha/t-osf5: ... this.
1616 * config/alpha/osf.h: Renamed to ...
1617 * config/alpha/osf5.h: ... this.
1618 Merged old osf5.h contents.
1620 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1621 (EXTRA_SPECS): Removed.
1622 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1623 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1626 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1628 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1630 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1633 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1634 __thiscall convention.
1636 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1638 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1640 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1642 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1644 * function.c (assign_parms_initialize_all): Add unused attribute
1647 2010-04-12 Richard Guenther <rguenther@suse.de>
1649 * gsstruct.def (GSS_CALL): New.
1650 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1651 * gimple.h: Include tree-ssa-alias.h.
1652 (struct gimple_statement_call): New.
1653 (union gimple_statement_struct_d): Add gimple_call member.
1654 (gimple_call_reset_alias_info): Declare.
1655 (gimple_call_use_set): New function.
1656 (gimple_call_clobber_set): Likewise.
1657 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1658 * gimple.c (gimple_call_reset_alias_info): New function.
1659 (gimple_build_call_1): Call it.
1660 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1661 * tree-inline.c (remap_gimple_stmt): Likewise.
1662 (expand_call_inline): Remove callused handling.
1663 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1664 * tree-dfa.c (dump_variable): Likewise.
1665 * tree-parloops.c (parallelize_loops): Likewise.
1666 * tree-ssa.c (init_tree_ssa): Likewise.
1667 (delete_tree_ssa): Likewise.
1668 * tree-flow-inline.h (is_call_used): Remove.
1669 * tree-flow.h (struct gimple_df): Remove callused member.
1670 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1671 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1672 (ref_maybe_used_by_call_p_1): Simplify.
1673 (call_may_clobber_ref_p_1): Likewise.
1674 * tree-ssa-structalias.c (compute_points_to_sets): Set
1675 the call stmt used and clobbered sets.
1676 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1677 (find_tail_calls): Verify the tail call.
1679 2010-04-12 Richard Guenther <rguenther@suse.de>
1681 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1682 single-iteration always-inline inlining.
1683 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1684 (cgraph_decide_inlining): Do not handle always-inline specially.
1685 (try_inline): Remove always-inline cycle detection special case.
1686 Do not recurse on always-inlines.
1687 (cgraph_early_inlining): Do not iterate if not optimizing.
1688 (cgraph_gate_early_inlining): remove.
1689 (pass_early_inline): Run unconditionally.
1690 (gate_cgraph_decide_inlining): New function.
1691 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1692 not inlining or optimizing.
1693 (cgraph_decide_inlining_of_small_functions): Also consider
1694 always-inline functions.
1695 (cgraph_default_inline_p): Return true for nodes which should
1696 disregard inline limits.
1697 (estimate_function_body_sizes): Assume zero size and time for
1698 nodes which are marked as disregarding inline limits.
1699 (cgraph_decide_recursive_inlining): Do not perform recursive
1700 inlining on always-inline nodes.
1702 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1705 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1706 for exprs satisfying handled_component_p.
1708 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1710 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1711 non-constant aggregate elements.
1713 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1714 is a real initialization.
1716 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1719 * c-decl.c (start_function): Move forward check for nested function.
1721 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1723 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1724 * config/sh/sh.c: Include reload.h.
1725 (sh_legitimize_reload_address): New.
1726 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1727 sh_legitimize_reload_address.
1729 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1731 * config/sh/sh.md (*movqi_pop): New insn pattern.
1732 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1734 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1736 * config/i386/i386.md (any_shiftrt): New code iterator.
1737 (shiftrt_insn): New code attribute.
1739 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1740 using any_shiftrt code iterator.
1741 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1742 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1743 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1744 pattern from corresponding peephole2 patterns.
1745 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1746 using any_shiftrt code iterator.
1747 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1748 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1749 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1750 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1751 *{ashr,lshr}<mode>3_cmp_zext.
1752 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1754 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1756 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1758 (*lshr<mode>3_cconly): Ditto.
1760 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1762 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1763 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1764 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1765 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1767 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1768 from corresponding peephole2 patterns.
1769 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1770 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1771 and *lshrdi3_1_rex64 using SWI mode iterator.
1772 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1773 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1774 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1775 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1776 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1777 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1778 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1779 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1780 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1783 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1785 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1786 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1787 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1788 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1790 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1791 from corresponding peephole2 patterns.
1792 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1793 (ashrsi3_cvt): Rename from ashrsi3_31.
1794 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1795 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1796 and x86_64_shift_adj_3 using SWI48 mode iterator.
1797 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1798 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1799 and *ashrdi3_1_rex64 using SWI mode iterator.
1800 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1801 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1802 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1803 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1804 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1805 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1806 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1807 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1808 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1810 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1811 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1812 x86_shift<mode>_adj_3 expanders.
1814 2010-04-10 Wei Guozhi <carrot@google.com>
1817 * config/arm/arm.c (arm_pic_static_addr): New function.
1818 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1820 (arm_output_addr_const_extra): Output expression for new pattern.
1821 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1823 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1825 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1828 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1829 * web.c: Include "insn-config.h" and "recog.h".
1830 (union_match_dups): New function.
1831 (web_main): Call it.
1832 (union_defs): Don't try to recognize match_dups.
1834 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1835 if doing so would replace the entire pattern.
1837 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1841 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1842 and splitter pattern. Change splitter operand 1 predicate to
1845 2010-04-09 Martin Jambor <mjambor@suse.cz>
1847 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1848 lattices are addresses of CONST_DECLs with the same initial value.
1849 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1850 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1852 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1853 Bernd Schmidt <bernds@codesourcery.com>
1855 * loop-invariant.c (replace_uses): New static function.
1856 (move_invariant_reg): Use it to ensure we can replace the uses.
1858 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1860 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1862 (picochip_override_options): Enable section anchors only above -O1.
1863 (picochip_reorg): Fixed a couple of build warnings.
1865 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1867 * configure.ac (plugin -rdynamic test): Log result.
1868 * configure: Regenerate.
1869 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1870 (RDYNAMIC_SPEC): Define.
1871 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1873 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1875 * configure.ac: Determine Sun ld version numbers.
1876 (comdat_group): Restrict GNU ld version checks to gld.
1877 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1878 (enable_comdat): Support --enable-comdat.
1879 * configure: Regenerate.
1880 * doc/install.texi (Configuration): Document --enable-comdat.
1882 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1884 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1885 * config/sol2-gld.h: ... here.
1886 * config.gcc (sparc*-*-solaris2*): Reflect this.
1887 (i[34567]86-*-solaris2*): Use it.
1889 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1891 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1893 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1895 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1898 * diagnostic.c (diagnostic_initialize): Initialize
1899 some_warnings_are_errors.
1900 (diagnostic_finish): New.
1901 (diagnostic_action_after_output): Call it before exiting.
1902 (diagnostic_report_diagnostic): Do not print message here. Set
1903 some_warnings_are_errors.
1904 * diagnostic.h (diagnostic_context): Delete
1905 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1906 (diagnostic_finish): Declare.
1907 * toplev.c (toplev_main): Call it before exit.
1909 2010-04-09 Jason Merrill <jason@redhat.com>
1912 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1913 for incomplete type.
1916 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1917 based on a warning flag.
1919 2010-04-09 Richard Guenther <rguenther@suse.de>
1921 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1923 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1926 * varasm.c (default_assemble_visibility): Wrap vars that are
1927 set, but unused, by targets without GAS.
1928 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1929 Remove set, but unused, vars.
1930 (rs6000_legitimize_tls_address): Likewise.
1931 (altivec_expand_dst_builtin): Likewise.
1932 * config/darwin.c (machopic_classify_symbol): Likewise.
1933 (machopic_indirection_name): Likewise.
1935 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1937 * config/i386/i386.md (DWI): New mode iterator.
1938 (S): New mode attribute.
1939 (shift_operand): Ditto.
1940 (shift_immediate_operand): Ditto.
1941 (ashl_input_operand): Ditto.
1942 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1943 using SDWIM mode iterator.
1944 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1945 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1947 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1948 from corresponding peephole2 patterns.
1949 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1950 and x86_64_shift_adj_1 using SWI48 mode iterator.
1951 (x86_shift<mode>_adj_2): Ditto.
1952 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1953 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1954 using SWI48 mode iterator.
1955 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1956 *ashldi3_cmp_rex64 using SWI mode iterator.
1957 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1958 *ashldi3_cconly_rex64 using SWI mode iterator.
1959 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1960 x86_shift<mode>_adj_{1,2}.
1961 (ix86_split_ashr): Ditto.
1962 (ix86_split_lshr): Ditto.
1964 2010-04-09 Richard Guenther <rguenther@suse.de>
1966 * target.h (builtin_conversion): Pass in input and output types.
1967 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1968 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1969 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1970 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1972 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1974 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1976 2010-04-09 Richard Guenther <rguenther@suse.de>
1979 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1981 2010-04-09 Richard Guenther <rguenther@suse.de>
1983 * tree-vectorizer.h (struct _stmt_vec_info): Document
1984 that vectype is the type of the LHS.
1985 (supportable_widening_operation, supportable_narrowing_operation):
1986 Get both input and output vector types as arguments.
1987 (vect_is_simple_use_1): Declare.
1988 (get_same_sized_vectype): Likewise.
1989 * tree-vect-loop.c (vect_determine_vectorization_factor):
1990 Set STMT_VINFO_VECTYPE to the vector type of the def.
1991 (vectorizable_reduction): Adjust.
1992 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1993 Adjust. Specify the output vector type.
1994 (vect_pattern_recog_1): Adjust.
1995 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1996 (vectorizable_call): Adjust.
1997 (vectorizable_conversion): Likewise.
1998 (vectorizable_operation): Likewise.
1999 (vectorizable_type_demotion): Likewise.
2000 (vectorizable_type_promotion): Likewise.
2001 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2003 (vect_is_simple_use_1): New function.
2004 (supportable_widening_operation): Get both input and output
2006 (supportable_narrowing_operation): Likewise.
2007 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2009 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2011 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2012 __thiscall and _thiscall as predefined macros.
2013 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2014 thiscall attribute handling.
2015 (ix86_comp_type_attributes): Likewise.
2016 (ix86_function_regparm): Likewise.
2017 (ix86_return_pops_args): Likewise.
2018 (init_cumulative_args): Likewise.
2019 (find_drap_reg): Likewise.
2020 (ix86_static_chain): Likewise.
2021 (x86_this_parameter): Likewise.
2022 (x86_output_mi_thunk): Likewise.
2023 (ix86_attribute_table): Add description for thiscall attribute.
2024 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2025 * doc/extend.texi: Add documentation for thiscall.
2027 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2030 * c.opt (Wint-to-pointer-cast): Available in C++.
2031 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2033 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2035 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2036 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2037 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2038 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2039 function type instead. Reorder and simplify checks.
2041 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2043 2010-04-08 Jing Yu <jingyu@google.com>
2044 Zdenek Dvorak <ook@ucw.cz>
2046 PR tree-optimization/42720
2047 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2048 loop unswitch conditions here from ...
2049 (tree_unswitch_single_loop): ... here.
2051 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2053 * tree-if-conv.c: Fix comments and simplify logic.
2055 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2057 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2058 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2059 (main_tree_if_conversion): Update call to tree_if_conversion.
2061 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2064 * doc/invoke.texi (-b,-V): Delete.
2065 * doc/tm.texi: Do not mention -b.
2066 * gcc.c (display_help): Delete -b and -V.
2067 (process_command): Delete -b and -V.
2068 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2070 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2071 Wolfgang Gellerich <gellerich@de.ibm.com>
2073 Implement target hook for loop unrolling
2074 * target.h (loop_unroll_adjust): Add a new target hook function.
2075 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2076 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2077 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2078 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2079 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2081 (decide_unroll_stupid): Likewise.
2083 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2086 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2088 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2090 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2091 (Specific, *-*-solaris2*): Likewise.
2092 Don't prefer Sun as over GNU as.
2094 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2096 * config/s390/s390.c (override_options): Adjust the z10
2097 defaults for max-unroll-times, max-completely-peeled-insns
2098 and max-completely-peel-times.
2100 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2102 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2103 instructions for z10.
2104 (s390_expand_setmem): Likewise.
2105 (s390_expand_cmpmem): Likewise.
2107 2010-04-08 Richard Guenther <rguenther@suse.de>
2109 PR tree-optimization/43679
2110 * tree-ssa-pre.c (eliminate): Only propagate copies.
2112 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2115 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2116 set but not used variable warning.
2118 2010-04-08 Wei Guozhi <carrot@google.com>
2121 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2122 (arm_size_rtx_costs): Call the new function when optimized for size.
2124 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2127 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2128 op0 is not a MEM, just return NULL instead of assertion
2130 (discover_nonconstant_array_refs): Don't walk debug stmts.
2132 2010-04-08 Doug Kwan <dougkwan@google.com>
2134 * configure.ac: Recognize gold and do not use its version number
2135 to test ld features.
2136 * configure: Regenerate.
2138 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2141 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2142 (negate_value): Move code to push elements to broken_up_substracts ...
2143 (eliminate_plus_minus_pair): ... here. Push operands that have no
2144 negative pair to plus_negates.
2145 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2147 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2149 * doc/install.texi (Configuration): Move description of
2150 --enable-lto, --with-libelf*, --enable-gold from Java section to
2153 * doc/generic.texi (Working with declarations)
2154 (Function Properties, C and C++ Trees): Fix typos.
2155 * doc/sourcebuild.texi (Top Level): Likewise.
2157 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2160 * tree.h (DECL_READ_P): Define.
2161 (struct tree_decl_common): Add decl_read_flag.
2162 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2163 a set but not used warning.
2164 (merge_decls): Merge DECL_READ_P flag.
2165 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2166 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2167 * c-common.c (handle_used_attribute, handle_unused_attribute):
2169 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2171 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2173 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2174 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2175 c_parser_binary_expression, c_parser_cast_expression,
2176 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2177 Call default_function_array_read_conversion instead of
2178 default_function_array_conversion where needed.
2179 (c_parser_unary_expression, c_parser_conditional_expression,
2180 c_parser_postfix_expression_after_primary, c_parser_initelt):
2181 Likewise. Call mark_exp_read where needed.
2182 (c_parser_statement_after_labels, c_parser_asm_operands,
2183 c_parser_typeof_specifier, c_parser_sizeof_expression,
2184 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2186 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2188 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2189 (warn_unused_but_set_parameter): Default to warn_unused
2191 * doc/invoke.texi: Document -Wunused-but-set-variable and
2192 -Wunused-but-set-parameter.
2194 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2195 used count variable.
2196 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2197 when operandN variables aren't used in the body of the expander
2199 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2200 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2201 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2202 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2203 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2204 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2205 * tree.c (PROCESS_ARG): Likewise.
2207 2010-04-07 Simon Baldwin <simonb@google.com>
2209 * diagnostic.h (diagnostic_override_option_index): New macro to
2210 set a diagnostic's option_index.
2211 * c-tree.h (c_cpp_error): Add warning reason argument.
2212 * opts.c (_warning_as_error_callback): New.
2213 (register_warning_as_error_callback): Store callback for
2214 warnings enabled via enable_warning_as_error.
2215 (enable_warning_as_error): Call callback, minor code tidy.
2216 * opts.h (register_warning_as_error_callback): Declare.
2217 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2218 response to -Werror=.
2219 (c_common_init_options): Register warning_as_error_callback in opts.c.
2220 * common.opt: Add -Wno-cpp option.
2221 * c-common.c (struct reason_option_codes_t): Map cpp warning
2222 reason codes to gcc option indexes.
2223 * (c_option_controlling_cpp_error): New function, lookup the gcc
2224 option index for a cpp warning reason code.
2225 * (c_cpp_error): Add warning reason argument, call
2226 c_option_controlling_cpp_error for diagnostic_override_option_index.
2227 * doc/invoke.texi: Document -Wno-cpp.
2229 2010-04-07 Richard Guenther <rguenther@suse.de>
2231 * ipa-reference.c (mark_load): Use get_base_address.
2232 (mark_store): Likewise.
2234 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2235 inserting GIMPLE_NOPs into the IL.
2236 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2237 Explicitly strip handled components and indirect references.
2239 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2240 folding address expressions.
2241 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2242 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2243 operand_equal_p to compare decls.
2244 (ptr_deref_may_alias_decl_p): Likewise.
2245 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2246 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2247 Handle reversed comparison ops.
2248 * tree-sra.c (asm_visit_addr): Use get_base_address.
2249 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2250 * ipa-reference.c (mark_address): Use get_base_address.
2252 2010-04-07 Richard Guenther <rguenther@suse.de>
2254 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2255 Propagate constants everywhere.
2257 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2260 * tree.c (MAX_INT_CACHED_PREC): Define.
2261 (nonstandard_integer_type_cache): New array.
2262 (build_nonstandard_integer_type): Cache results for precision
2263 <= MAX_INT_CACHED_PREC.
2265 2010-04-07 Richard Guenther <rguenther@suse.de>
2267 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2268 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2269 * common.opt: Likewise.
2270 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2271 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2272 (nonoverlapping_memrefs_p): Likewise.
2273 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2274 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2275 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2276 OPT_fargument_noalias_global for backward compatibility.
2278 2010-04-07 Richard Guenther <rguenther@suse.de>
2280 PR tree-optimization/43270
2281 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2282 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2283 * tree-ssa-pre.c (phi_translate_1): Adjust.
2284 (fully_constant_expression): Split out vn_reference handling to ...
2285 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2286 Fold reads from constant strings.
2287 (vn_reference_lookup): Handle fully constant references.
2288 (vn_reference_lookup_pieces): Likewise.
2289 * Makefile.in (expmed.o-warn): Add -Wno-error.
2291 2010-04-07 Martin Jambor <mjambor@suse.cz>
2293 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2295 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2298 * gcc.c: Add -static-libstdc++ to list of recognized options.
2300 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2302 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2304 2010-04-07 Richard Guenther <rguenther@suse.de>
2307 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2308 bases build simple mem attributes to retain points-to information.
2310 2010-04-07 Richard Guenther <rguenther@suse.de>
2313 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2314 preserve points-to related information.
2316 2010-04-07 Richard Guenther <rguenther@suse.de>
2319 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2320 discard plain indirect references.
2321 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2322 * tree.c (tree_nop_conversion): Likewise.
2324 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2327 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2329 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2331 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2332 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2334 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2336 * tree-if-conv.c: Fix indentation and comments.
2338 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2340 * tree-if-conv.c: Sort static functions in topological order.
2342 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2344 * tree-if-conv.c: Fix indentation and comments.
2346 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2349 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2350 lang_hooks.types.type_for_size instead of
2351 build_nonstandard_integer_type.
2352 When converting an unsigned type to signed, double its precision.
2353 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2354 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2355 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2358 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2361 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2362 POINTER_PLUS_EXPR for pointer types.
2364 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2367 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2368 * graphite-clast-to-gimple.c: Include langhooks.h.
2369 (max_signed_precision_type): New.
2370 (max_precision_type): Takes two types as arguments.
2371 (precision_for_value): New.
2372 (precision_for_interval): New.
2373 (gcc_type_for_interval): New.
2374 (gcc_type_for_value): New.
2375 (gcc_type_for_clast_term): New.
2376 (gcc_type_for_clast_red): New.
2377 (gcc_type_for_clast_bin): New.
2378 (gcc_type_for_clast_expr): Split up into several functions.
2379 (gcc_type_for_clast_eq): Rewritten.
2380 (compute_bounds_for_level): New.
2381 (compute_type_for_level_1): New.
2382 (compute_type_for_level): New.
2383 (gcc_type_for_cloog_iv): Removed.
2384 (gcc_type_for_iv_of_clast_loop): Rewritten.
2385 (graphite_create_new_loop): Compute the lower and upper bound types
2386 with gcc_type_for_clast_expr.
2387 (graphite_create_new_loop_guard): Same.
2388 (find_cloog_iv_in_expr): Removed.
2389 (compute_cloog_iv_types_1): Removed.
2390 (compute_cloog_iv_types): Removed.
2391 (gloog): Do not call compute_cloog_iv_types.
2392 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2394 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2395 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2396 (GBB_CLOOG_IV_TYPES): Removed.
2398 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2400 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2401 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2402 (detect_commutative_reduction): Same.
2404 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2406 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2407 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2409 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2410 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2411 (rewrite_commutative_reductions_out_of_ssa): Same.
2412 * passes.c (execute_function_todo): Call verify_ssa for every pass
2413 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2414 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2415 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2416 with an extra argument.
2417 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2418 verify_ssa only when the extra argument is true.
2419 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2420 with an extra argument.
2421 (tree_transform_and_unroll_loop): Same.
2423 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2425 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2426 for all the passes of the LNO having LOOP_CLOSED_SSA.
2427 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2428 * tree-loop-distribution.c (pass_loop_distribution): Same.
2429 * tree-pass.h (TODO_verify_loops): Removed.
2430 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2432 (pass_tree_unswitch): Same.
2433 (pass_predcom): Same.
2434 (pass_vectorize): Same.
2435 (pass_linear_transform): Same.
2436 (pass_graphite_transforms): Same.
2437 (pass_iv_canon): Same.
2438 (pass_complete_unroll): Same.
2439 (pass_complete_unrolli): Same.
2440 (pass_parallelize_loops): Same.
2441 (pass_loop_prefetch): Same.
2442 (pass_iv_optimize): Same.
2444 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2447 * passes.c (init_optimization_passes): Move pass_lim before
2448 pass_copy_prop and pass_dce_loop.
2450 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2453 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2454 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2455 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2456 MULTI_* defines for 4 argument vpermil2p* builtins.
2458 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2460 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2461 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2462 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2463 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2464 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2465 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2466 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2467 Use x86_maybe_negate_const_int to output insn mnemonic.
2468 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2469 check from instruction predicate. Update comments.
2470 * config/i386/sync.md (sync_add<mode>): Use
2471 x86_maybe_negate_const_int to output insn mnemonic.
2473 2010-04-06 Jan Hubicka <jh@suse.cz>
2475 PR tree-optimization/42906
2476 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2477 IGNORE_SELF argument. Set visited_control_parents for fully
2479 (find_obviously_necessary_stmts): Update call of
2480 mark_control_dependent_edges_necessary.
2481 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2483 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2485 * config/i386/i386.md: Remove comment about 'e' and 'E'
2488 2010-04-06 Richard Guenther <rguenther@suse.de>
2490 PR tree-optimization/43627
2491 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2492 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2495 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2497 * BASE-VER: Change to 4.6.0.
2500 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2503 2010-04-06 Richard Guenther <rguenther@suse.de>
2506 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2508 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2510 * doc/invoke.texi (Optimize Options): Document that LTO
2511 won't remove object access purely due to incompatible
2514 2010-04-04 Matthias Klose <doko@ubuntu.com>
2516 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2517 Initialize variable.
2519 2010-04-03 Richard Guenther <rguenther@suse.de>
2522 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2523 require a non-NULL MEM_OFFSET.
2525 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2527 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2528 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2529 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2530 config/alpha/predicates.md, config/arm/arm.md,
2531 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2532 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2533 config/darwin9.h, config/darwin.c, config/darwin.h,
2534 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2535 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2536 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2537 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2538 config/mips/mips.md, config/mn10300/mn10300.c,
2539 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2540 config/rs6000/aix.h, config/rs6000/dfp.md,
2541 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2542 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2543 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2544 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2545 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2546 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2547 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2548 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2549 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2550 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2551 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2552 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2553 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2554 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2555 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2556 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2557 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2558 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2559 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2560 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2561 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2562 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2563 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2564 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2565 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2566 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2567 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2568 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2569 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2570 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2571 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2572 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2573 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2574 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2575 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2576 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2578 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2581 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2582 * aclocal.m4: Regenerate.
2584 2010-04-02 Richard Guenther <rguenther@suse.de>
2586 PR tree-optimization/43629
2587 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2588 if we have seen a constant value.
2590 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2592 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2594 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2597 * arm.c (legitimize_tls_address): Adjust call to
2598 gen_tls_load_dot_plus_four.
2599 (arm_note_pic_base): New function.
2600 (arm_cannot_copy_insn_p): Use it.
2601 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2604 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2609 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2611 * Makefile.in ($(out_object_file)): Depend on
2612 gt-$(basename $(notdir $(out_file))).h.
2614 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2616 * config.gcc (lm32-*-rtems*): Add t-lm32.
2618 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2620 * config.gcc: Add lm32-*-rtems*.
2621 * config/lm32/rtems.h: New file.
2623 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2626 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2628 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2630 * dwarf2out.c (output_compilation_unit_header): For
2631 -gdwarf-4 use version 4 instead of version 3.
2632 (output_line_info): For version 4 and above emit additional
2633 maximum ops per insn header field.
2634 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2636 * dwarf2out.c (is_c_family, is_java): Remove.
2637 (lower_bound_default): New function.
2638 (add_bound_info, gen_descr_array_type_die): Use it.
2640 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2643 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2644 re-declaration when it happens in a function.
2646 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2648 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2649 (cgraph_remove_function_insertion_hook): Same.
2650 (cgraph_call_function_insertion_hooks): Same.
2652 2010-04-01 Richard Guenther <rguenther@suse.de>
2655 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2656 and TREE_THIS_VOLATILE.
2657 (copy_ref_info): Likewise.
2658 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2659 * tree.c (build6_stat): Ignore side-effects of all but arg5
2660 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2663 2010-04-01 Richard Guenther <rguenther@suse.de>
2665 PR tree-optimization/43607
2666 * ipa-type-escape.c (check_call): Do not access non-existing
2669 2010-04-01 Richard Guenther <rguenther@suse.de>
2673 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2674 Jack Howarth <howarth@bromo.med.uc.edu>
2676 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2679 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2681 * doc/install.texi (Prerequisites): Document libelf usability on
2682 IRIX 5/6 and Solaris 2.
2683 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2684 Update GNU as, GNU ld requirements.
2685 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2686 Document Sun Studio compiler download.
2687 Update and simplify as, ld recommendations.
2688 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2690 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2692 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2693 with_tune_32 to pentium4.
2695 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2697 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2699 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2701 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2702 obsoletion, removal.
2704 Document GNU as requirement.
2705 Update configure requirements.
2706 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2707 Recomment IRIX 6.5.18+.
2708 Document IDF/IDL requirement.
2709 Document GNU as requirement.
2710 Document GNU ld bootstrap failure.
2711 Remove freeware.sgi.com reference.
2713 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2715 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2716 UNIX V4.0, V5.0 obsoletion, removal.
2717 Remove --with-gc=simple reference.
2718 Update VM requirements during bootstrap.
2719 Remove -oldas bootstrap description.
2720 Update binutils reference.
2721 Remove comparison failure note.
2723 2010-03-31 Richard Guenther <rguenther@suse.de>
2724 Zdenek Dvorak <ook@ucw.cz>
2725 Sebastian Pop <sebastian.pop@amd.com>
2728 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2729 with multiple arguments.
2730 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2732 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2734 * graphite-dependences.c (print_pddr): Call print_pdr with an
2736 * graphite-poly.c (debug_pdr): Add an extra argument for the
2739 (print_pbb_domain): Same.
2741 (print_scop_context): Same.
2743 (print_cloog): Same.
2744 (debug_pbb_domain): Same.
2748 (debug_scop_context): Same.
2750 (debug_cloog): Same.
2751 (print_scop_params): Same.
2752 (debug_scop_params): Same.
2753 (print_iteration_domain): Same.
2754 (print_iteration_domains): Same.
2755 (debug_iteration_domain): Same.
2756 (debug_iteration_domains): Same.
2757 (print_scattering_function): Same.
2758 (print_scattering_functions): Same.
2759 (debug_scattering_function): Same.
2760 (debug_scattering_functions): Same.
2761 * graphite-poly.h (debug_pdr): Update declaration.
2763 (print_pbb_domain): Same.
2765 (print_scop_context): Same.
2767 (print_cloog): Same.
2768 (debug_pbb_domain): Same.
2772 (debug_scop_context): Same.
2774 (debug_cloog): Same.
2775 (print_scop_params): Same.
2776 (debug_scop_params): Same.
2777 (print_iteration_domain): Same.
2778 (print_iteration_domains): Same.
2779 (debug_iteration_domain): Same.
2780 (debug_iteration_domains): Same.
2781 (print_scattering_function): Same.
2782 (print_scattering_functions): Same.
2783 (debug_scattering_function): Same.
2784 (debug_scattering_functions): Same.
2786 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2788 * graphite-poly.c (print_scattering_function_1): New.
2789 (print_scattering_function): Call it.
2790 (print_scop_params): Remove spaces at the end of lines.
2793 * graphite-poly.h (print_cloog): Declared.
2794 (debug_cloog): Declared.
2796 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2798 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2800 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2801 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2802 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2803 to switch between adding the IV bump in loop->latch or in loop->header.
2805 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2807 * graphite-poly.c (print_scattering_function): Pretty print following
2810 (print_pbb_domain): Same.
2811 (dump_gbb_cases): Same.
2812 (dump_gbb_conditions): Same.
2815 (print_scop_params): Same.
2816 (print_scop_context): Same.
2818 (print_pbb_body): New.
2819 (lst_indent_to): New.
2820 (print_lst): Start new lines with a #.
2821 * graphite-poly.h (pbb_bb): New.
2822 (pbb_index): Use pbb_bb.
2823 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2825 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2827 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2829 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2830 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2831 and 0 instead of 1 for dw_val_class_flag.
2832 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2833 dw_val_class_range_list, dw_val_class_loc_list,
2834 dw_val_class_lineptr and dw_val_class_macptr, use
2835 DW_FORM_flag_present for dw_val_class_flag and
2836 DW_FORM_exprloc for dw_val_class_loc.
2837 (output_die): For -gdwarf-4 print dw_val_class_loc
2838 size as uleb128 instead of 1 or 2 bytes and don't print
2839 anything for dw_val_class_flag.
2841 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2842 instead of cselib_lookup following by tweaking locs->setting_insn.
2845 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2846 even before returning from label, setjmp call or volatile asm
2849 2010-03-31 Richard Guenther <rguenther@suse.de>
2852 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2853 temporary data on stack.
2855 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2857 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2858 (PUSHSECTION_ASM_OP): Remove.
2859 (POPSECTION_ASM_OP): Remove.
2860 (PUSHSECTION_FORMAT): Remove.
2861 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2862 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2863 * config/sol2.c (solaris_output_init_fini): Use it.
2865 2010-03-31 Jie Zhang <jie@codesourcery.com>
2868 * opt-functions.awk (var_type_struct): Use signed char type
2869 for simple variables.
2871 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2873 * config/sol2.c: Include output.h.
2874 (solaris_assemble_visibility): New function.
2875 * config/t-sol2 (sol2.o): Add output.h dependency.
2876 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2877 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2880 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2883 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2884 V2SImode or XFmode on PRE_DEC.
2887 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2890 2010-03-31 Jie Zhang <jie@codesourcery.com>
2893 * reload.h (caller_save_initialized_p): Declare.
2894 * toplev.c (backend_init_target): Don't call
2895 init_caller_save but set caller_save_initialized_p to false.
2896 * caller-save.c (caller_save_initialized_p): Define.
2897 (init_caller_save): Check caller_save_initialized_p.
2898 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2900 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2903 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2904 and soft-fp/t-softfp to tmake_file.
2905 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2906 (LIBGCC2_TF_CEXT): Define.
2909 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2912 * cselib.c (n_useless_values): Document handling of debug locs.
2913 (n_useless_debug_values, n_debug_values): New variables.
2914 (new_elt_loc_list): Don't add to debug values, keep count.
2915 (promote_debug_loc): New.
2916 (cselib_reset_table): Zero new variables.
2917 (entry_and_rtx_equal_p): Promote debug locs.
2918 (discard_useless_locs): Increment n_useless_debug_values for
2920 (remove_useless_values): Adjust n_useless_values and n_debug_values
2921 with n_useless_debug_values.
2922 (add_mem_for_addr): Promote debug locs.
2923 (cselib_lookup_mem): Likewise.
2924 (cselib_lookup_addr): Renamed to...
2925 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2926 (cselib_log_lookup): ... this. Turn into...
2927 (cselib_lookup_addr): ... new wrapper.
2928 (cselib_lookup_from_insn): New.
2929 (cselib_invalidate_regno): Increment n_useless_debug_values for
2931 (cselib_invalidate_mem): Likewise.
2932 (cselib_process_insn): Take n_deleted and n_debug_values into
2933 account to guard remove_useless_value call.
2934 (cselib_finish): Zero n_useless_debug_values.
2935 * cselib.h (cselib_lookup_from_insn): Declare.
2936 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2937 (sched_analyze_2): Likewise.
2939 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2941 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2943 (adjust_mems): Replace narrowing SUBREG of expression containing
2944 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2945 with operations in the narrower mode.
2948 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2949 regs_invalidated_by_call instead all call_used_reg_set registers.
2951 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2954 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2955 pointer comparisons with types_compatible_p.
2956 * tree-vect-stmts.c (vectorizable_call): Same.
2957 (vectorizable_condition): Same.
2959 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2961 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2962 stack check if the mask would be zero.
2964 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2965 Jack Howarth <howarth@bromo.med.uc.edu>
2967 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2970 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2973 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2975 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2976 Include ___unordxf2 and ___unordtf2.
2977 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2980 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2982 * config/lm32/t-lm32: New file.
2983 * config.gcc: Use the above file when targetting lm32.
2985 2010-03-28 Duncan Sands <baldrick@free.fr>
2987 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2989 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2992 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2993 Improve vectorization cost model diagnostic.
2995 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2998 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2999 compute_data_dependences_for_loop returns false, early exit
3000 and output an extra diagnostic for the failed data reference
3003 2010-03-29 Richard Guenther <rguenther@suse.de>
3005 PR tree-optimization/43560
3006 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3007 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3009 2010-03-29 Jie Zhang <jie@codesourcery.com>
3012 * toplev.c (process_options): Set optimization_default_node
3013 and optimization_current_node.
3014 * opts.c (decode_options): Don't set optimization_default_node
3015 and optimization_current_node.
3017 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3019 * config/rtems.h: Abandon -qrtems_debug.
3021 2010-03-28 Jan Hubicka <jh@suse.cz>
3023 PR tree-optimization/43505
3024 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3025 map should not be copied.
3027 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3030 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3031 cdtors, set DECL_PRESERVE_P.
3032 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3035 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3037 PR tree-optimization/43528
3038 * stor-layout.c (place_field): Check that constant fits into
3039 unsigned HWI when skipping calculation of MS bitfield layout.
3041 2010-03-27 Jan Hubicka <jh@suse.cz>
3044 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3045 notice_global_symbol work.
3047 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3049 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3050 instead of dwarf2out_decl.
3051 (struct var_loc_node): Remove section_label field.
3052 (dwarf2out_function_decl): New function.
3053 (dwarf2out_var_location): Don't set section_label field.
3054 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3056 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3058 PR tree-optimization/43544
3059 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3060 First argument for builtin vectorized function hook is now a
3061 tree to be able to distinguish between machine specific and
3063 * targhooks.c (default_builtin_vectorized_function): Ditto.
3064 * targhooks.h (default_builtin_vectorized_function): Ditto.
3065 * target.h (struct gcc_target): Ditto.
3066 * tree-vect-stmts.c (vectorizable_function): Ditto.
3067 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3068 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3071 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3074 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3075 nested binding iff it is a FUNCTION_DECL.
3076 (store_parm_decls_newstyle): Pass nested=true to bind for
3077 FUNCTION_DECLs amongst parameters.
3079 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3081 * var-tracking.c (vt_expand_loc_callback): Don't run
3082 cselib_expand_value_rtx_cb in dummy mode if
3083 cselib_dummy_expand_value_rtx_cb returned false.
3085 * var-tracking.c (emit_note_insn_var_location): For one part
3086 notes with offset 0, don't add EXPR_LIST around the location.
3087 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3088 add_location_or_const_value_attribute): Adjust for that change.
3091 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3092 into first operand and location into second.
3093 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3094 dw_cfi_oprnd_loc for DW_CFA_expression.
3095 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3096 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3097 assume first argument is regnum and second argument is location.
3099 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3102 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3103 of scratch register to DImode. Split to DImode comparison operator.
3104 Use SImode subreg of scratch register in the multiplication.
3105 (*cmp_sadd_sidi): Ditto.
3106 (*cmp_ssub_si): Ditto.
3107 (*cmp_ssub_sidi): Ditto.
3109 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3112 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3113 Remove invalid assert and wrong comment.
3115 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3118 * flags.h (final_insns_dump_p): New extern.
3119 * final.c (final_insns_dump_p): New variable.
3120 (rest_of_clean_state): Set it before -fdump-final-insns=
3121 dumping, clear afterwards.
3122 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3123 MEM_ALIAS_SET on MEMs.
3125 2010-03-26 David S. Miller <davem@davemloft.net>
3127 * configure.ac: Fix sparc GOTDATA_OP bug check.
3128 * configure: Rebuild.
3130 2010-03-26 Alan Modra <amodra@gmail.com>
3132 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3134 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3136 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3137 TLS_SECTION_ASM_FLAG.
3139 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3142 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3143 Clear first_function_block_is_cold.
3146 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3147 argument if the argument is truth_value_p.
3149 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3151 * config/rs6000/constraints.md: Update copyright year for my changes.
3154 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3155 used in reg+reg addressing, swap registers.
3157 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3160 * target.h (struct gcc_target): Add code_end hook.
3161 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3163 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3164 * toplev.c (compile_file): Call targetm.asm_out.code_end
3165 hook before unwind info/debug info output.
3166 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3167 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3168 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3169 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3170 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3171 * config/i386/i386.c (ix86_file_end): Renamed to...
3172 (ix86_code_end): ... this. Make static. Don't call
3173 file_end_indicate_exec_stack. Emit unwind info using
3174 final_start_function/final_end_function.
3175 (darwin_x86_file_end): Remove.
3176 (TARGET_ASM_CODE_END): Define.
3177 * config/i386/i386.h (TARGET_ASM_FILE_END,
3178 NEED_INDICATE_EXEC_STACK): Don't define.
3179 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3180 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3181 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3182 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3185 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3186 at the beginning and final_end_function at the end.
3187 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3189 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3191 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3192 and Sun as TLS syntax.
3193 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3194 * configure: Regenerate.
3195 * config.in: Regenerate.
3196 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3197 (default_elf_asm_named_section): Use it.
3198 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3199 (i386_output_dwarf_dtprel): Likewise.
3200 (output_addr_const_extra): Likewise.
3201 (output_pic_addr_const): Lowercase @GOTTPOFF.
3202 (output_addr_const_extra): Likewise.
3203 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3204 (output_addr_const_extra): Likewise.
3205 (output_pic_addr_const): Lowercase @INDNTPOFF.
3206 (output_addr_const_extra): Likewise.
3207 (output_pic_addr_const): Lowercase @NTPOFF.
3208 (output_addr_const_extra): Likewise.
3209 (output_pic_addr_const): Lowercase @TPOFF.
3210 (output_addr_const_extra): Likewise.
3211 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3212 (*tls_global_dynamic_64): Likewise.
3213 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3214 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3216 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3217 (ASM_OUTPUT_TLS_COMMON): Use it.
3218 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3221 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3222 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3223 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3224 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3225 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3226 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3228 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3230 * config/i386/i386.c (override_options): Don't accept
3231 -mtls-dialect=sun any longer.
3232 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3233 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3234 (*tls_local_dynamic_base_32_sun): Likewise.
3235 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3237 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3240 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3241 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3244 * ira.c (adjust_cleared_regs): New function.
3245 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3249 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3251 * expr.c (expand_expr_real): Restore previous
3252 curr_insn_source_location and curr_insn_block after
3253 expand_expr_real_1 call.
3254 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3255 instead of expand_expr_real_1.
3257 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3259 PR rtl-optimization/43413
3260 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3263 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3266 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3267 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3269 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3271 * config/i386/i386.c (ix86_target_string): Add -mfma.
3272 Fix a typo in comment.
3274 2010-03-22 Mike Stump <mikestump@comcast.net>
3277 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3278 Don't overly align based upon packed packed fields.
3280 2010-03-22 Jason Merrill <jason@redhat.com>
3282 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3283 Use () rather than [], and move before the element type.
3285 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3287 * doc/configfiles.texi (Configuration Files): Removed
3288 fixinc/Makefile*, intl/Makefile.*.
3289 * doc/makefile.texi: Fixed markup. Abstract from version
3290 control system used.
3291 (Makefile): Removed obsolete gcc/java/parse.y example.
3292 * doc/sourcebuild.texi: Likewise.
3293 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3294 libgomp, libssp. Removed fastjar.
3295 (Miscellaneous Docs): Clarify location.
3296 Added COPYING3, COPYING3.LIB.
3297 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3299 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3302 * config/i386/i386.c (x86_function_profiler)
3303 [!NO_PROFILE_COUNTERS]: Fix typo.
3304 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3307 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3308 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3310 * doc/sourcebuild.texi (Test Directives): Split into six
3311 subsections, with most of the current text in new subsections
3312 Directives, Selectors, and Final Actions.
3313 (Directives): Split list of test directives into multiple
3315 (Selectors): Describe use and syntax of selectors.
3316 (Effective-Target Keywords): Describe all existing keywords.
3317 (Add Options): Describe features for dg-add-options.
3318 (Require Support): Describe variants of dg-require-support.
3319 (Final Actions): Describe commands to use in dg-final.
3321 2010-03-22 Michael Matz <matz@suse.de>
3324 * recog.c (validate_replace_rtx_group): Replace also in
3325 REG_EQUAL and REG_EQUIV notes.
3327 2010-03-22 Richard Guenther <rguenther@suse.de>
3329 PR tree-optimization/43390
3330 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3331 sure vector extracts are type correct.
3333 2010-03-22 Richard Guenther <rguenther@suse.de>
3336 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3337 x * sqrt (x) even when optimizing for size if the target
3338 has native support for sqrt.
3340 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3342 * varasm.c (make_decl_rtl_for_debug): Also clear
3343 flag_mudflap for the duration of make_decl_rtl call.
3346 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3347 locs from preserved VALUEs.
3349 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3352 * pa.md (movmemsi): Set align to one if zero.
3353 (movmemdi): Likewise.
3355 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3358 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3359 with their corresponding prologue pushes.
3361 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3364 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3365 at the begining or end.
3366 (spu_expand_epilogue): Likewise.
3368 2010-03-20 Richard Guenther <rguenther@suse.de>
3370 PR rtl-optimization/43438
3371 * combine.c (make_extraction): Properly zero-/sign-extend an
3372 extraction of the low part of a CONST_INT. Also handle
3375 2010-03-19 Mike Stump <mikestump@comcast.net>
3377 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3378 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3379 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3381 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3384 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3387 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3389 PR rtl-optimization/42258
3390 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3391 use that may match DEF.
3394 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3395 the cost of loading the constant rather than assuming
3397 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3398 outer code is AND, do the same tests as the andsi3 expander and
3399 return COSTS_N_INSNS (1) if and is cheap.
3401 * optabs.c (avoid_expensive_constant): Fix formatting.
3403 2010-03-19 Michael Matz <matz@suse.de>
3406 * attribs.c (decl_attributes): When rebuilding a function pointer
3407 type use the same qualifiers as the original pointer type.
3409 2010-03-19 Martin Jambor <mjambor@suse.cz>
3411 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3412 and is_gimple_ip_invariant_address.
3414 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3417 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3419 * config/arm/arm.c (arm_override_options): Turn off
3420 flag_dwarf2_cfi_asm for AAPCS variants.
3422 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3425 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3426 Use PRE_MODIFY instead of PRE_DEC.
3427 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3428 (vfp_emit_fstmd): Likewise.
3430 2010-03-19 Michael Matz <matz@suse.de>
3433 * builtins.c (expand_builtin_interclass_mathfn,
3434 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3437 2010-03-19 Richard Guenther <rguenther@suse.de>
3439 PR tree-optimization/43415
3440 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3441 (phi_translate_1): ... this.
3442 (phi_translate): Move all caching here. Cache all NARY
3443 and REFERENCE translations.
3445 2010-03-19 David S. Miller <davem@davemloft.net>
3447 With help from Eric Botcazou.
3448 * config/sparc/sparc.c: Include dwarf2out.h.
3449 (emit_pic_helper): Delete.
3450 (pic_helper_symbol_name): Delete.
3451 (pic_helper_emitted_p): Delete.
3452 (pic_helper_needed): New.
3453 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3454 (get_pc_thunk_name): New.
3455 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3456 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3457 Set pic_helper_needed to true. Don't call emit_pic_helper.
3458 (sparc_expand_prologue): Update load_pic_register call.
3459 (sparc_output_mi_thunk): Likewise.
3460 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3461 thunk if possible. Output CFI information as needed.
3463 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3464 Jack Howarth <howarth@bromo.med.uc.edu>
3467 * config/i386/i386.h: Fix ABI on darwin x86-32.
3469 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3471 * tree.h: Declare make_decl_rtl_for_debug.
3472 * varasm.c (make_decl_rtl_for_debug): New.
3473 * dwarf2out.c (rtl_for_decl_location): Call it.
3474 * cfgexpand.c (expand_debug_expr): Call it.
3476 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3479 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3483 * var-tracking.c (vt_init_cfa_base): Do nothing if
3484 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3486 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3489 * var-tracking.c (canonicalize_vars_star): New.
3490 (dataflow_post_merge_adjust): Use it.
3492 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3495 * var-tracking.c (non_suitable_const): New function.
3496 (add_uses): For DEBUG_INSNs with constants, don't record any
3497 value, instead just the constant value itself.
3498 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3499 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3500 (emit_notes_in_bb): Likewise.
3501 (emit_note_insn_var_location): For onepart variables if
3502 cur_loc is a VOIDmode constant, use DECL_MODE.
3504 2010-03-18 Martin Jambor <mjambor@suse.cz>
3507 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3508 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3509 all non-clones. Moved call redirection...
3510 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3511 (cgraph_materialize_all_clones): Dispose of all
3512 combined_args_to_skip bitmaps.
3513 (verify_cgraph_node): Do not check for edges pointing to wrong
3514 nodes in inline clones.
3515 * tree-inline.c (copy_bb): Call
3516 cgraph_redirect_edge_call_stmt_to_callee.
3517 * ipa.c (cgraph_remove_unreachable_nodes): Call
3518 cgraph_node_remove_callees even when there are used clones.
3520 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3522 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3524 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3527 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3530 2010-03-18 Michael Matz <matz@suse.de>
3533 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3534 into sqrt(x) if we need to preserve signed zeros.
3536 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3537 Eric Botcazou <ebotcazou@adacore.com>
3539 PR rtl-optimization/43360
3540 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3541 note if we don't know its invariant status.
3543 2010-03-18 Michael Matz <matz@suse.de>
3545 PR tree-optimization/43402
3546 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3547 PHI chains of ssa names registered for update.
3549 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3552 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3553 non-offsettable and pre_modify update addressing.
3554 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3555 and "2" alternatives "#".
3556 (*movdd_softfloat32): Make all alternatives "#";
3557 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3558 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3559 (*movdf_softfloat32): Make all alternatives "#";
3560 (movdi): Use the new DIFD mode iterator to create a common splitter
3561 for movdi, movdf and movdd patterns.
3563 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3565 * common.opt (dumpdir): Remove redundant tab.
3567 2010-03-17 Martin Jambor <mjambor@suse.cz>
3569 PR tree-optimization/43347
3570 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3571 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3573 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3575 PR rtl-optimization/42216
3576 * regrename.c (create_new_chain): New function, broken out from...
3577 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3578 appending a use to an empty chain.
3579 (build_def_use): Remove previous changes that convert OP_INOUT to
3580 OP_OUT operands; instead detect the case where an OP_INOUT operand
3581 uses a previously untracked register and create an empty chain for it.
3583 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3585 * doc/extend.texi (Function Attributes): Rewrite unfinished
3586 sentence in ms_abi documentation.
3588 2010-03-17 Alan Modra <amodra@gmail.com>
3590 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3591 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3592 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3593 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3595 2010-03-16 Richard Henderson <rth@redhat.com>
3598 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3599 (lower_try_finally): Save and restore eh_seq around the expansion
3602 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3604 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3605 statements before splitting block.
3607 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3609 * doc/sourcebuild.texi (Testsuites): Fix markup.
3610 Use pathnames relative to gcc/testsuite.
3611 (Test Directives): Move description of how timeout is determined.
3612 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3613 (C Tests): Correct gcc.misc-tests directory.
3614 Framework tests now live in gcc.test-framework.
3616 2010-03-16 Richard Guenther <rguenther@suse.de>
3619 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3620 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3622 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3623 Alexandre Oliva <aoliva@redhat.com>
3625 PR tree-optimization/42917
3626 * lambda-code.c (remove_iv): Skip debug statements.
3627 (lambda_loopnest_to_gcc_loopnest): Likewise.
3628 (not_interesting_stmt): Debug statements are not interesting.
3630 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3634 * cselib.c (cselib_preserve_constants,
3635 cfa_base_preserved_val): New static variables.
3636 (preserve_only_constants): New function.
3637 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3638 clear its REG_VALUES. If cselib_preserve_constants, don't
3639 empty the whole hash table, but preserve there VALUEs with constants,
3640 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3641 (cselib_preserve_cfa_base_value): New function.
3642 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3643 (cselib_init): Change argument to int bitfield. Set
3644 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3646 (cselib_finish): Clear cselib_preserve_constants and
3647 cfa_base_preserved_val.
3648 * cselib.h (enum cselib_record_what): New enum.
3649 (cselib_init): Change argument to int.
3650 (cselib_preserve_cfa_base_value): New prototype.
3651 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3652 * dse.c (dse_step1): Likewise.
3653 * cfgcleanup.c (thread_jump): Likewise.
3654 * sched-deps.c (sched_analyze): Likewise.
3655 * gcse.c (local_cprop_pass): Likewise.
3656 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3657 If FN is non-NULL, call the callback always and whenever it returns
3658 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3659 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3660 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3661 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3662 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3663 * var-tracking.c: Include recog.h.
3664 (bb_stack_adjust_offset): Remove.
3665 (vt_stack_adjustments): Don't call it, instead just gather the
3666 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3667 (adjust_stack_reference): Remove.
3668 (compute_cfa_pointer): New function.
3669 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3670 (struct adjust_mem_data): New type.
3671 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3673 (get_address_mode): New function.
3674 (replace_expr_with_values): Use it.
3675 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3676 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3677 (adjust_sets): Remove.
3678 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3679 Use get_address_mode.
3680 (get_adjusted_src): Remove.
3681 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3682 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3683 (add_with_sets): Don't call adjust_sets.
3684 (fp_setter, vt_init_cfa_base): New functions.
3685 (vt_initialize): Change return type to bool. Move most of pool etc.
3686 initialization to the beginning of the function from end. Pass
3687 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3688 If !frame_pointer_needed, call vt_stack_adjustment before mos
3689 vector is filled, call vt_init_cfa_base if argp/framep has been
3690 eliminated to sp. If frame_pointer_needed and argp/framep has
3691 been eliminated to hard frame pointer, set
3692 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3693 encountering fp setter in the prologue. For MO_ADJUST, call
3694 log_op_type before pusing the op into mos vector, not afterwards.
3695 Call adjust_insn before cselib_process_insn/add_with_sets,
3696 call cancel_changes (0) afterwards.
3697 (variable_tracking_main_1): Adjust for vt_initialize calling
3698 vt_stack_adjustments and returning whether it succeeded or not.
3700 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3702 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3705 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3707 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3709 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3710 drap_reg has not been set.
3712 2010-03-15 Michael Matz <matz@suse.de>
3715 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3716 use it to expand block copies.
3717 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3718 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3719 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3721 2010-03-15 Richard Guenther <rguenther@suse.de>
3723 PR tree-optimization/43367
3724 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3727 2010-03-15 Richard Guenther <rguenther@suse.de>
3729 PR tree-optimization/43317
3730 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3732 2010-03-15 Martin Jambor <mjambor@suse.cz>
3734 PR tree-optimization/43141
3735 * tree-sra.c (create_abstract_origin): New function.
3736 (modify_function): Call create_abstract_origin.
3738 2010-03-15 Chris Demetriou <cgd@google.com>
3740 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3743 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3746 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3747 call insert_out_of_ssa_copy for default definitions.
3749 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3751 * graphite-clast-to-gimple.c (my_long_long): Defined.
3752 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3753 * graphite-sese-to-poly.c (my_long_long): Defined.
3754 (scop_ivs_can_be_represented): Use it.
3756 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3758 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3759 graphite-max-bbs-per-function, and loop-block-tile-size.
3760 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3762 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3764 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3766 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3767 forward declaration.
3768 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3769 (add_upper_bounds_from_estimated_nit): New.
3770 (build_loop_iteration_domains): Use it.
3772 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3774 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3776 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3779 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3780 should be an INTEGER_CST. Also handle CASE_CONVERT.
3782 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3784 * graphite.c (graphite_initialize): To bound the number of bbs per
3785 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3786 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3787 * doc/invoke.texi: Document it.
3789 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3791 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3792 * graphite-sese-to-poly.h (build_poly_scop): Same.
3794 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3796 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3797 the number of parameters in the scop. Use as an upper bound
3798 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3799 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3800 * doc/invoke.texi: Document it.
3802 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3804 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3805 * doc/c-tree.texi: Remove.
3806 * doc/generic.texi: Merge c-tree.texi here.
3807 * doc/gccint.texi (Trees): Remove menu entry.
3808 (c-tree.texi): Remove @include.
3809 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3810 * doc/languages.texi (Reading RTL): Ditto.
3812 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3815 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3817 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3820 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3821 code added to work around reload clobbering CONST insns.
3823 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3825 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3826 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3827 (cselib_preserve_only_values): Remove retain argument, don't
3828 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3829 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3830 * var-tracking.c (micro_operation): Move insn field before union.
3831 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3832 (struct variable_tracking_info_def): Remove n_mos field, change
3833 mos into a vector of micro_operations.
3834 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3835 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3836 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3837 changing into a vector.
3838 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3839 come before all other uops generated by add_stores.
3840 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3842 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3843 a vector. Run just one pass over the bbs instead of separate counting
3844 and computation phase.
3845 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3848 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3849 into *nonlocalized_list vector.
3850 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3851 even if origin is non-NULL.
3852 (gen_variable_die): Likewise.
3853 (process_scope_var): Don't change origin.
3854 (gen_decl_die): Likewise.
3855 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3856 before adding new edges instead of after it, fix moving over
3859 2010-03-11 David S. Miller <davem@davemloft.net>
3861 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3863 * configure: Rebuild.
3865 2010-03-11 Martin Jambor <mjambor@suse.cz>
3867 PR tree-optimization/43257
3868 * tree.c (assign_assembler_name_if_neeeded): New function.
3869 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3871 * tree.h (assign_assembler_name_if_neeeded): Declare.
3872 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3873 the function if needed.
3875 2010-03-11 Chris Demetriou <cgd@google.com>
3877 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3878 include/stdint-gcc.h, and include/stdint.h world-readable.
3880 2010-03-11 Richard Guenther <rguenther@suse.de>
3882 PR tree-optimization/43255
3883 * tree-vrp.c (process_assert_insertions_for): Do not insert
3884 asserts for trivial conditions.
3886 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3888 PR tree-optimization/43280
3889 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3890 generation. Move calculation of size out of the if branch.
3891 (find_bswap): Modify compare number generation.
3893 2010-03-11 Richard Guenther <rguenther@suse.de>
3896 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3897 (input_gimple_stmt): Fixup handled component types during
3898 operand read. Also fix up decls in ADDR_EXPRs.
3900 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3902 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3903 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3905 2010-03-10 Jan Hubicka <jh@suse.cz>
3908 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3909 * varasm.c (get_variable_section): Don't do that here...
3910 (make_decl_rtl): ... and here.
3911 (do_assemble_alias): Produce decl RTL.
3912 (assemble_alias): Likewise.
3914 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3917 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3918 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3920 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3921 (based_loc_descr): Only express drap or vdrap regno based expressions
3922 using DW_OP_fbreg when not optimizing.
3923 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3924 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3925 REG_CFA_SET_VDRAP note.
3927 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3929 PR tree-optimization/43236
3930 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3931 error in calculation of base address in reverse iteration case.
3932 (generate_builtin): Take number of latch executions if the statement
3935 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3938 * tree-eh.c: Include pointer-set.h.
3939 (lower_eh_dispatch): Filter out duplicate case labels and
3940 remove the unneeded edge when the label is unused. Return
3941 true when some edges are removed.
3942 (execute_lower_eh_dispatch): When any lowering resulted in
3943 removing an edge, also delete unreachable blocks.
3945 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3948 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3949 UNSPEC_MACHOPIC_OFFSET.
3951 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3954 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3955 (m68k_delegitimize_address): New function.
3957 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3960 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3963 * var-tracking.c (adjust_sets): New function.
3964 (count_with_sets, add_with_sets): Use it.
3965 (get_adjusted_src): New inline function.
3966 (add_stores): Use it.
3969 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3970 call cselib_dummy_expand_value_rtx_cb instead of
3971 cselib_expand_value_rtx_cb.
3974 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3975 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3976 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3977 and .cfi_endproc around the pic thunks.
3978 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3979 all queued unwind info register saves are saved before the call.
3980 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3981 considered as sp-=4 for unwind info and the pop as sp+=4 which
3982 also clobbers dest, but doesn't actually restore it.
3985 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3986 RTX_FRAME_RELATED_P.
3988 2010-03-09 Jie Zhang <jie@codesourcery.com>
3990 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3991 whitespaces in output template.
3993 2010-03-09 Jie Zhang <jie@codesourcery.com>
3995 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3998 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4000 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4001 builtins.exp in a separate job.
4003 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4005 * graphite-sese-to-poly.c (add_param_constraints): Use
4006 lower_bound_in_type and upper_bound_in_type.
4008 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4010 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4011 instead of unsigned_type_node.
4013 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4014 Reza Yazdani <reza.yazdani@amd.com>
4017 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4018 on pointer type parameters.
4020 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4024 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4025 handle conversions from pointer to integers.
4026 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4027 induction variable, to be able to work with code generated by CLooG.
4028 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4029 (build_poly_scop): Bail out if we cannot codegen a loop.
4031 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4033 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4034 code generation with gloog_error.
4036 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4038 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4039 Call fold_convert on all the returned values.
4040 (expand_scalar_variables_expr): Pass to
4041 expand_scalar_variables_ssa_name the type of the resulting expression.
4043 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4045 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4046 ppl_min_for_le_pointset.
4047 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4048 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4050 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4052 * graphite-dependences.c (map_into_dep_poly): Removed.
4053 (dependence_polyhedron_1): Use combine_context_id_scat.
4055 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4057 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4058 (struct poly_bb): Same.
4059 (combine_context_id_scat): New.
4061 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4064 * sese.c (name_defined_in_loop_p): Return false for default
4067 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4069 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4070 and clean up the logic.
4072 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4074 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4077 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4079 * var-tracking.c (remove_cselib_value_chains): Define only for
4081 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4082 delete_slot_part, emit_notes_for_differences_1): Don't call
4083 remove_cselib_value_chains here.
4084 (set_slot_part, emit_notes_for_differences_2): Don't call
4085 add_cselib_value_chains here.
4086 (preserved_values): New vector.
4087 (preserve_value): New function.
4088 (add_uses, add_stores, vt_add_function_parameters): Use it
4089 instead of cselib_preserve_value.
4090 (changed_values_stack): New vector.
4091 (check_changed_vars_0): New function.
4092 (check_changed_vars_1, check_changed_vars_2): Use it.
4093 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4094 changed_values_stack VALUEs.
4095 (vt_emit_notes): For all preserved_values call
4096 add_cselib_value_chains. If ENABLE_CHECKING call
4097 remove_cselib_value_chains before verifying value_chains is empty.
4098 Initialize and free changed_values_stack.
4099 (vt_initialize): Initialize preserved_values.
4100 (vt_finalize): Free preserved_values.
4102 2010-03-08 Richard Guenther <rguenther@suse.de>
4104 PR tree-optimization/43269
4105 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4108 2010-03-08 Martin Jambor <mjambor@suse.cz>
4110 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4111 (ipa_is_param_called): Removed.
4112 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4113 (ipa_print_node_params): Do not print the called flag.
4114 (ipa_write_node_info): Do not stream the called flag.
4115 (ipa_read_node_info): Likewise.
4117 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4120 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4121 * cselib.c (struct expand_value_data): Add dummy field.
4122 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4124 (cselib_dummy_expand_value_rtx_cb): New function.
4125 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4127 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4128 * var-tracking.c: Include pointer-set.h.
4129 (variable): Change n_var_parts to char from int. Add
4130 cur_loc_changed and in_changed_variables fields.
4131 (variable_canonicalize): Remove.
4132 (shared_var_p): New inline function.
4133 (unshare_variable): Maintain cur_loc_changed and
4134 in_changed_variables fields. If var was in changed_variables,
4135 replace it there with new_var. Just copy cur_loc instead of
4136 resetting it to something else.
4137 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4138 (dataflow_set_union): Don't call variable_canonicalize.
4139 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4140 of their DEBUG_EXPR_TREE_DECLs.
4141 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4142 and in_changed_variables and cur_loc_changed is false.
4143 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4144 and cur_loc_changed. Don't update cur_loc here.
4145 (variable_merge_over_src): Don't call variable_canonicalize.
4146 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4147 removing loc that is equal to cur_loc, clear cur_loc,
4148 set cur_loc_changed and ensure variable_was_changed is called.
4149 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4150 compare pointers in cur_loc check, if it is equal to loc,
4151 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4152 (variable_different_p): Remove compare_current_location argument,
4153 don't compare cur_loc.
4154 (dataflow_set_different_1): Adjust variable_different_p caller.
4155 (variable_was_changed): If dv had some var in changed_variables
4156 already, reset in_changed_variables flag for it and propagate
4157 cur_loc_changed over to the new variable. On empty var
4158 always set cur_loc_changed. Set in_changed_variables on whatever
4159 var is added to changed_variables.
4160 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4161 Use shared_var_p. When removing loc that is equal to cur_loc,
4162 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4163 end, don't set it to something else, just call variable_was_changed.
4164 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4165 loc being removed, clear cur_loc and set cur_loc_changed.
4166 Set cur_loc_changed if all locations have been removed.
4167 (struct expand_loc_callback_data): New type.
4168 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4169 allocated. Always create SUBREGs if simplify_subreg failed.
4170 Prefer to use cur_loc, when that fails and still in
4171 changed_variables (and seen first time) recompute it. Set
4172 cur_loc_changed of variables which had to change cur_loc and
4173 compute elcd->cur_loc_changed if any of the subexpressions used
4174 had to change cur_loc.
4175 (vt_expand_loc): Adjust to pass arguments in
4176 expand_loc_callback_data structure.
4177 (vt_expand_loc_dummy): New function.
4178 (emitted_notes): New variable.
4179 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4180 that weren't used for any other decl in current
4181 emit_notes_for_changes call call vt_expand_loc_dummy to update
4182 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4183 first loc_chain location if NULL before. Always use just
4184 cur_loc instead of first loc_chain location. When cur_loc_changed
4185 is false, when not --enable-checking=rtl just don't emit any note.
4186 When rtl checking, compute the note and assert it is the same
4187 as previous note. Clear cur_loc_changed and in_changed_variables
4188 at the end before removing from changed_variables.
4189 (check_changed_vars_3): New function.
4190 (emit_notes_for_changes): Traverse changed_vars to call
4191 check_changed_vars_3 on each changed var.
4192 (emit_notes_for_differences_1): Clear cur_loc_changed and
4193 in_changed_variables. Recompute cur_loc of new_var.
4194 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4195 (vt_emit_notes): Initialize and destroy emitted_notes.
4197 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4199 PR rtl-optimization/42220
4200 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4201 Use verify_reg_tracked to determine if we should use OP_OUT rather
4203 (build_def_use): If we see an in-out operand for a register that we
4204 know nothing about, treat is an output if possible, fail the block if
4207 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4210 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4213 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4216 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4217 uses of relevant DEFs that are dead outside the loop too.
4219 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4221 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4223 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4225 * var-tracking.c (values_to_unmark): New variable.
4226 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4227 values_to_unmark vector. Moved body to...
4228 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4229 instead queue it into values_to_unmark vector.
4230 (vt_find_locations): Free values_to_unmark vector.
4232 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4234 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4235 (site.exp): Export them when plugins are enabled.
4237 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4240 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4242 (chrec_fold_multiply): Same.
4244 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4247 * c-decl.c (build_compound_literal): Return early if init is
4250 2010-03-04 Martin Jambor <mjambor@suse.cz>
4252 PR tree-optimization/43164
4253 PR tree-optimization/43191
4254 * tree-sra.c (type_consists_of_records_p): Reject records with
4255 zero-size bit-fields at the end.
4257 2010-03-04 Mike Stump <mikestump@comcast.net>
4259 * Makefile.in (TAGS): Remove *.y.
4261 2010-03-04 Richard Guenther <rguenther@suse.de>
4263 PR tree-optimization/40761
4264 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4266 (my_rev_post_order_compute): New function.
4267 (init_pre): Call it.
4269 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4272 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4273 decrease the cost of an IV candidate when the cost is infinite.
4275 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4277 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4278 Use '3DNow!' for the extension of that name, ensure normal space
4280 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4282 2010-03-03 Jeff Law <law@redhat.com>
4284 * PR middle-end/32693
4285 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4286 than gen_rtx_SUBREG.
4287 (extract_bit_field_1): Likewise.
4289 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4291 * doc/sourcebuild.texi (Test directives): Document that arguments
4292 include-opts and exclude-opts are now optional for dg-skip-if,
4293 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4295 2010-03-03 Jason Merrill <jason@redhat.com>
4298 * cgraph.h (varpool_node): Add extra_name field.
4299 * varpool.c (varpool_extra_name_alias): New.
4300 (varpool_assemble_decl): Emit extra name aliases.
4301 (varpool_mark_needed_node): Look past an extra name alias.
4302 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4303 * lto-streamer-in.c (lto_input_tree): Read it.
4304 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4306 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4308 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4309 (sparc*-*-solaris2*): ...this.
4311 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4314 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4315 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4316 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4317 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4320 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4321 fallthrough to default handling, just with want_address 0 instead of 2.
4322 For single element lists, add_AT_loc directly, otherwise create an
4323 artificial variable DIE and stick location list to it.
4326 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4327 (VAL_EXPR_HAS_REVERSE): Define.
4328 (reverse_op): New function.
4329 (add_stores): For reversible operations add an extra MO_VAL_USE.
4331 2010-03-02 Jason Merrill <jason@redhat.com>
4333 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4335 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4337 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4338 (sparc64-*-linux*): Likewise.
4339 (sparc64-*-solaris2*): Include assembler files before linker ones.
4340 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4341 * config/sparc/gas.h: Delete.
4342 * config/sparc/sol2-64.h: Add copyright notice.
4343 * config/sparc/sol2-gas-bi.h: Likewise.
4344 * config/sparc/sol2-gld.h: Likewise.
4345 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4346 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4347 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4348 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4349 (sparc_elf_asm_named_section): Rename into...
4350 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4352 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4354 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4356 2010-03-02 Jeff Law <law@redhat.com>
4359 * reload1.c (rtx_p, substitute_stack): Declare.
4360 (substitute): Record addresses of changed rtxs.
4361 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4362 Restore the original rtx when complete.
4363 (reload): Free subsitute_stack when complete.
4365 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4367 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4368 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4370 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4371 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4372 Torture Tests): Change from subsection to section.
4374 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4375 Steven Bosscher <steven@gcc.gnu.org>
4377 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4380 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4383 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4384 the assignment from the new induction variable to the assignment
4385 of the value from the original loop PHI function.
4387 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4388 Daniel Jacobowitz <dan@codesourcery.com>
4390 * doc/sourcebuild.texi (Test directives): Clarify options to
4393 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4395 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4396 Disable cfi directives unless GCC and gas agree on using read-only
4397 .eh_frame sections for 64-bit.
4398 * configure: Regenerate.
4400 2010-03-01 Richard Guenther <rguenther@suse.de>
4402 PR tree-optimization/43220
4403 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4404 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4406 2010-03-01 Richard Guenther <rguenther@suse.de>
4407 Martin Jambor <mjambor@suse.cz>
4410 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4411 gimplified parameters.
4413 2010-03-01 Christian Bruel <christian.bruel@st.com>
4415 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4417 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4419 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4421 2010-03-01 Richard Guenther <rguenther@suse.de>
4424 * expr.c (expand_assignment): Use the alias-oracle to tell
4425 if the rhs aliases the result decl.
4427 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4430 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4431 to sol_gt_pch_get_address.
4432 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4433 64-bit, SPARC and x86.
4434 (sol_gt_pch_get_address): New function.
4436 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4438 * toplev.h (inform_n, error_n): Declare.
4439 * diagnostic.c (inform_n, error_n): New function.
4441 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4443 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4444 has no rtl yet when processing local_decls, queue it and recheck
4445 if deferred stack allocation hasn't assigned it rtl.
4447 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4449 * config/sh/sh.c (unspec_bbr_uid): New.
4450 (gen_block_redirect): Use it instead of INSN_UID.
4451 (gen_far_branch): Likewise.
4453 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4455 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4456 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4458 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4460 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4461 (Warning Options): -Wno-conversion-null is valid for
4462 Objective-C++ as well.
4463 * doc/tm.texi (Named Address Spaces): Likewise.
4464 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4465 * doc/tree-ssa.texi (Tree SSA): Likewise.
4467 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4470 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4471 by default. Don't set the default arch for
4472 i[34567]86-*-darwin*|x86_64-*-darwin*.
4474 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4477 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4478 default. Set the default 32bit/64bit archs with $with_arch
4479 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4481 2010-02-27 Richard Guenther <rguenther@suse.de>
4483 PR tree-optimization/43186
4484 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4485 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4486 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4487 unroller iterations.
4489 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4491 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4492 required and i[34567]86-*-* targets don't support 64bit ISA.
4494 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4497 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4500 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4502 * config.gcc: Set the default arch at least to Prescott for
4503 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4504 if SSE math is enabled.
4506 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4508 * diagnostic.c (diagnostic_initialize): Update.
4509 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4511 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4512 (diagnostic_inhibit_notes): New.
4513 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4515 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4518 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4519 * doc/standards.texi: Likewise.
4520 * doc/extend.texi: Likewise.
4521 * doc/trouble.texi: Likewise.
4522 * doc/cppopts.texi: Likewise.
4523 * doc/install.texi: Likewise.
4524 * c.opt (std=c90,std=gnu90): New options.
4525 * c-opts.c (c_common_handle_option): Handle them.
4527 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4530 * c-decl.c (undeclared_variable): Use an informative note.
4532 2010-02-26 Richard Guenther <rguenther@suse.de>
4534 PR tree-optimization/43186
4535 * gimple.h (gimple_fold): Remove.
4536 * gimple.c (gimple_fold): Remove. Inline into single user ...
4537 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4538 Try harder for conditions.
4540 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4543 * function.c (used_types_insert): Don't skip through named pointer
4544 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4545 and it is different from the main variant's type.
4547 2010-02-26 Nick Clifton <nickc@redhat.com>
4549 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4551 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4553 * config.gcc: Support --with-fpmath=sse for x86.
4555 * config/i386/ssemath.h: New.
4557 * doc/install.texi (--with-fpmath=sse): Documented.
4559 2010-02-26 Richard Guenther <rguenther@suse.de>
4561 PR tree-optimization/43188
4562 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4563 vector types of over-aligned element type.
4565 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4568 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4569 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4571 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4573 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4575 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4577 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4578 * var-tracking.c: Include diagnostic.h.
4579 (debug_dv): New function.
4580 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4583 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4584 (add_value_chain, add_value_chains, remove_value_chain,
4585 remove_value_chains): Handle DEBUG_EXPRs.
4586 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4589 * regcprop.c (struct queued_debug_insn_change): New type.
4590 (struct value_data_entry): Add debug_insn_changes field.
4591 (struct value_data): Add n_debug_insn_changes field.
4592 (debug_insn_changes_pool): New variable.
4593 (free_debug_insn_changes, apply_debug_insn_changes,
4594 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4595 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4596 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4598 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4600 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4601 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4602 changes, call cprop_find_used_regs via note_stores.
4603 (copyprop_hardreg_forward): When copying vd from predecessor
4604 which has any queued DEBUG_INSN changes, make sure the pointers are
4605 cleared. At the end call df_analyze and then if there are any
4606 DEBUG_INSN changes queued at the end of some basic block for still
4607 live registers, apply them.
4608 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4610 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4612 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4615 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4617 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4618 targets. Set the default with_cpu/with_arch from arch/cpu.
4619 Allow x86-64 and native for with_cpu/with_arch.
4621 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4623 * ebitmap.c: Change calls to verify_popcount with calls to
4624 sbitmap_verify_popcount.
4625 (ebitmap_clear_bit): Fixed map->cacheindex test and
4626 map>cache update when bit clearing results in an empty
4629 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4632 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4633 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4634 and support both V2DF and V2DI modes.
4635 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4636 support both V2DF and V2DI modes.
4637 (general): Delete trailing whitespace from a few patterns.
4639 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4640 V2DF/V2DI interleave high/low builtins.
4642 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4645 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4646 interleave high/low functions.
4648 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4650 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4651 #pragma extern_prefix.
4653 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4656 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4657 BLKmode, assert op0 is a MEM and just adjust its mode.
4660 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4661 if bitpos isn't multiple of mode's bitsize.
4663 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4665 * c.opt (-ftemplate-depth=): New.
4666 (-ftemplate-depth-): Deprecate.
4667 * optc-gen.awk: Handle -ftemplate-depth=.
4668 * opth-gen.awk: Likewise.
4669 * c-opts.c (c_common_handle_option): Likewise.
4670 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4672 2010-02-24 Jason Merrill <jason@redhat.com>
4674 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4676 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4678 * cfg.c (alloc_aux_for_block): Remove inline.
4679 (alloc_aux_for_edge): Likewise.
4681 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4683 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4685 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4687 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4688 * config/i386/sol2-gas.h: New file.
4689 * config.gcc (i[34567]86-*-solaris2*): Use it.
4691 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4694 * c-typeck.c (ep_convert_and_check): New.
4695 (build_conditional_expr): Use it.
4696 (build_binary_op): Likewise.
4698 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4700 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4703 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4704 bounds even for -O+.
4705 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4706 expr needs to have DECL_NAME set.
4708 2010-02-24 Nick Clifton <nickc@redhat.com>
4710 * config/mep/mep.c: Include gimple.h.
4711 (mep_function_uses_sp): Delete unused function.
4712 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4713 parameters. Use unsigned integers to count args. Return a
4714 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4716 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4719 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4720 greater or equal to nelt instead of 2 * nelt.
4721 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4724 2010-02-23 Jason Merrill <jason@redhat.com>
4727 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4728 in cfun->local_decls even if they have register types.
4731 * stor-layout.c (place_field): Don't warn about unnecessary
4732 DECL_PACKED if the type is packed.
4734 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4737 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4738 GOTOFF relocs, even when the base reg isn't pic pointer.
4740 2010-02-23 Michael Matz <matz@suse.de>
4743 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4744 (expand_gimple_basic_block): Generate and use debug temps if there
4745 are debug uses left after the last real use of TERed ssa names.
4746 Unlink debug immediate uses when they are expanded.
4748 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4751 * config/i386/i386.c (override_options): Reorganise to provide
4752 better error messages.
4754 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4757 * graphite-scop-detection.c (create_single_exit_edge): Move
4758 the call to find_single_exit_edge to....
4759 (create_sese_edges): ...here. Don't handle multiple edges
4760 exiting the function.
4761 (build_graphite_scops): Don't handle multiple edges
4762 exiting the function.
4764 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4767 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4768 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4770 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4773 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4775 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4778 * c-typeck.c (convert_arguments): Print declaration location.
4779 * c-common.c (validate_nargs): Rename as
4780 builtin_function_validate_nargs.
4781 (check_builtin_function_arguments): Update.
4783 2010-02-22 Richard Guenther <rguenther@suse.de>
4786 * tree-inline.c (declare_return_variable): Use the type of
4787 the call stmt lhs if available.
4789 2010-02-22 Duncan Sands <baldrick@free.fr>
4791 * passes.c (register_pass): Always consider all pass lists when
4792 ref_pass_instance_number is zero.
4794 2010-02-22 Richard Guenther <rguenther@suse.de>
4796 PR tree-optimization/42749
4797 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4798 parameter. Do arithmetic in the original type.
4799 (update_accumulator_with_ops): Likewise.
4800 (adjust_accumulator_values): Adjust.
4802 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4804 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4805 (QI to BLKmode splitter): New splitter.
4807 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4809 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4810 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4812 2010-02-22 Richard Guenther <rguenther@suse.de>
4814 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4816 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4818 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4819 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4820 ($(T)crti.o, $(T)crtn.o): Remove rules.
4822 2010-02-21 Tobias Burnus <burnus@net-b.de>
4825 * doc/invoke.texi (-fassociative-math): Document that this
4826 option is automatically enabled for Fortran.
4828 2010-02-20 David S. Miller <davem@davemloft.net>
4830 * configure.ac: Test if linker and assembler properly support
4831 GOTDATA_OP relocations.
4832 * configure: Rebuild.
4833 * config.in: Likewise.
4834 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4835 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4836 (movsi_high_pic): Likewise.
4837 (movdi_lo_sum_pic): Likewise.
4838 (movdi_high_pic): Likewise.
4839 (movsi_pic_gotdata_op): New pattern.
4840 (movdi_pic_gotdata_op): Likewise.
4841 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4842 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4844 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4847 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4848 attribute to ssemul.
4849 (xop_mulv2div2di3_high): Ditto.
4851 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4854 * c.opt (Wconversion-null): New option.
4855 * doc/invoke.texi (Wconversion-null): Document.
4857 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4859 * common.opt (Wlarger-than-): Add Undocumented.
4861 2010-02-19 Mike Stump <mikestump@comcast.net>
4863 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4865 2010-02-19 Jason Merrill <jason@redhat.com>
4868 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4869 * configure: Likewise.
4871 2010-02-20 Alan Modra <amodra@gmail.com>
4874 * cgraph.h (cgraph_make_decl_local): Declare.
4875 * cgraph.c (cgraph_make_decl_local): New function.
4876 (cgraph_make_node_local): Use it.
4877 * cgraphunit.c (cgraph_function_versioning): Likewise.
4878 * ipa.c (function_and_variable_visibility): Likewise.
4880 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4883 * except.c (sjlj_emit_function_enter): Don't call
4884 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4886 * rtl.h (add_reg_br_prob_note): Remove prototype.
4888 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4891 * c-common.c (conversion_warning): Remove widening conversions
4892 before checking the conversion of integers to reals.
4894 2010-02-19 Mike Stump <mikestump@comcast.net>
4897 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4900 * cgraphunit.c (process_function_and_variable_attributes): Check
4901 DECL_PRESERVE_P instead of looking up attribute "used".
4902 * ipa-pure-const.c (check_decl): Likewise.
4903 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4904 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4905 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4906 instead of attribute "used".
4907 * config/sol2-c.c (solaris_pragma_init): Likewise.
4908 (solaris_pragma_fini): Likewise.
4910 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4912 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4913 Use XCNEW instead of xcalloc.
4914 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4915 XNEW instead of xmalloc.
4916 (get_fields): Use XNEWVEC instead of xmalloc.
4919 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4920 populate vars array.
4921 (create_new_general_access): For debug stmts just reset value.
4922 (get_stmt_accesses): For accesses within debug stmts just record them
4923 using add_access_to_acc_sites instead of preventing the peeling or
4924 counting them as accesses.
4927 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4929 2010-02-19 Richard Guenther <rguenther@suse.de>
4931 PR tree-optimization/42916
4932 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4935 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4937 * configure.ac: Replace all uses of changequote in macro arguments
4938 with proper quoting.
4940 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4943 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4945 2010-02-19 Richard Guenther <rguenther@suse.de>
4947 PR tree-optimization/42944
4948 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4949 test for aliasing with errno.
4951 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4954 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4955 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4956 * dojump.c: Include output.h.
4957 (inv): New inline function.
4958 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4959 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4960 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4961 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4962 argument, pass it down to other calls.
4963 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4964 add REG_BR_PROB note to the conditional jump.
4965 * cfgexpand.c (add_reg_br_prob_note): Removed.
4966 (expand_gimple_cond): Don't call it, add the probability
4967 as last argument to jumpif_1/jumpifnot_1.
4968 * Makefile.in (dojump.o): Depend on output.h.
4969 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4971 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4972 * stmt.c (do_jump_if_equal): Likewise.
4973 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4974 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4975 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4977 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4978 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4979 jumpifnot_1 callers.
4980 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4982 (store_expr): Adjust jumpifnot caller.
4983 (store_constructor): Adjust jumpif caller.
4986 * gimplify.c (gimple_boolify): For __builtin_expect call
4987 gimple_boolify also on its first argument.
4989 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4991 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4993 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4994 * configure: Regenerated.
4996 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4998 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4999 lang_hooks.types_compatible_p instead of comptypes.
5001 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5003 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5004 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5005 if __prefer_thumb__ is defined.
5007 2010-02-18 Martin Jambor <mjambor@suse.cz>
5009 PR tree-optimization/43066
5010 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5011 array with zero-sized element type.
5013 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5015 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5016 rtx, allocate struct var_loc_node here and return it to the
5017 caller, and only if it is actually needed.
5018 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5019 move it earlier and return immediately if it returns NULL.
5021 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5023 * config/sparc/gas.h: New file. Restore
5024 TARGET_ASM_NAMED_SECTION to its ELF default.
5025 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5027 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5028 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5029 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5030 after sparc/sysv4.h.
5032 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5034 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5036 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5038 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5039 patterns from predicated pattern.
5041 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5044 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5045 for insn mnemonic suffix.
5047 2010-02-17 Richard Guenther <rguenther@suse.de>
5049 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5052 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5055 * caller-save.c (save_call_clobbered_regs): If BB ends with
5056 a DEBUG_INSN, move any notes in between last real insn and the last
5057 DEBUG_INSN after the last DEBUG_INSN.
5059 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5061 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5062 Fix return type. Fix argument type. Explain meaning of return value.
5064 2010-02-16 Richard Guenther <rguenther@suse.de>
5066 PR tree-optimization/41043
5067 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5068 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5070 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5072 2010-02-16 Ira Rosen <irar@il.ibm.com>
5074 PR tree-optimization/43074
5075 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5076 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5077 vectorizable cycles in hybrid SLP check.
5078 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5080 2010-02-16 Richard Guenther <rguenther@suse.de>
5082 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5083 (true_dependence): If memrefs_conflict_p computes must-alias
5084 trust it. Move TBAA check after offset-based disambiguation.
5085 (canon_true_dependence): Likewise.
5087 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5089 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5090 * doc/invoke.texi: Document it.
5091 * var-tracking.c: Include toplev.h and params.h.
5092 (vt_find_locations): Return bool indicating success. Compute
5093 hash sizes unconditionally. Check new parameter, report.
5094 (variable_tracking_main_1): Check vt_find_locations results and
5095 retry. Renamed from...
5096 (variable_tracking_main): ... this. New wrapper to preserve
5097 flag_var_tracking_assignments.
5098 * Makefile.in (var-tracking.o): Adjust dependencies.
5100 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5101 Jakub Jelinek <jakub@redhat.com>
5104 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5105 if weak_import attribute is present.
5106 * config/darwin.c (machopic_select_section): Likewise.
5108 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5110 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5111 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5112 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5113 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5115 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5118 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5121 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5122 Rewrite text to refer to the names.
5124 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5126 * config/i386/i386-builtin-types.def
5127 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5128 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5129 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5130 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5131 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5132 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5133 IX86_BUILTIN_VPERMIL2PS256.
5134 (MULTI_ARG_4_DF2_DI_I): Defined.
5135 (MULTI_ARG_4_DF2_DI_I1): Defined.
5136 (MULTI_ARG_4_SF2_SI_I): Defined.
5137 (MULTI_ARG_4_SF2_SI_I1): Defined.
5138 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5139 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5140 __builtin_ia32_vpermil2ps256.
5141 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5142 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5143 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5144 (ix86_expand_args_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 CODE_FOR_xop_vpermil2v2df3,
5147 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5148 CODE_FOR_xop_vpermil2v8sf3.
5149 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5150 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5151 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5152 (_mm256_permute2_pd): New.
5153 (_mm_permute2_ps): New.
5154 (_mm256_permute2_ps): New.
5156 2010-02-15 Nick Clifton <nickc@redhat.com>
5158 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5159 boolean parameters. Use emit_jump_insn when emitting a pop
5160 instruction containing a return insn.
5161 (push): Use 'true' rather than '1' as second parameter to F.
5162 (h8300_expand_prologue): Likewise.
5163 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5164 (h8300_expand_epilogue): Likewise.
5166 2010-02-15 Richard Guenther <rguenther@suse.de>
5169 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5172 2010-02-15 Nick Clifton <nickc@redhat.com>
5174 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5177 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5179 * intl.c (fake_ngettext): New function.
5180 * intl.h (fake_ngettext): Declare.
5181 (ngettext): Define macro.
5182 * collect2.c (notice_translated): New function.
5183 (main): Use notice_translated and ngettext.
5184 * collect2.h (notice_translated): Declare.
5186 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5188 * reorg.c (delete_computation): Comment fixes.
5189 * caller-save.c (setup_save_areas): Idem.
5190 * sel-sched-dump.c (dump_lv_set): Idem.
5193 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5195 * config/s390/s390.c (s390_sched_init): New function.
5196 (TARGET_SCHED_INIT): Target hook defined.
5198 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5199 Jack Howarth <howarth@bromo.med.uc.edu>
5200 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5203 Partial revert of unintended change in fix for PR41605.
5204 * config/darwin.h: Fix typo.
5205 * config/darwin9.h: Same.
5207 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5209 * c-pch.c (pch_init): Clear v.
5211 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5214 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5215 graphite_can_represent_init for MULT_EXPR.
5217 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5221 * graphite-sese-to-poly.c (remove_phi): New.
5222 (translate_scalar_reduction_to_array): Call remove_phi.
5224 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5227 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5228 * graphite-clast-to-gimple.h (gloog): Update declaration.
5229 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5230 * graphite-poly.h (struct poly_bb): Add missing comments.
5231 (struct scop): Add poly_scop_p field.
5233 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5234 * graphite.c (graphite_transform_loops): Build the polyhedral
5235 representation for each scop before code generation.
5236 * sese.c (rename_variables_in_operand): Removed.
5237 (rename_variables_in_expr): Return the renamed expression.
5238 (rename_sese_parameters): New.
5239 * sese.h (rename_sese_parameters): Declared.
5241 2010-02-11 Richard Guenther <rguenther@suse.de>
5243 PR tree-optimization/42998
5244 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5245 POINTER_PLUS_EXPR properly.
5247 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5248 Changpeng Fang <changpeng.fang@amd.com>
5251 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5252 the cost of an IV candidate when the IV is used in a test against zero.
5254 * gcc.dg/tree-ssa/ivopts-3.c: New.
5256 2010-02-11 Richard Guenther <rguenther@suse.de>
5259 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5260 pointer-vs-decl case by swapping refs. Handle some cases
5261 of pointer-vs-decl disambiguations more conservatively.
5262 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5263 to false after expanding.
5265 2010-02-11 Richard Guenther <rguenther@suse.de>
5268 * gcc.c (process_command): Handle LTO file@offset case more
5271 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5273 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5274 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5276 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5278 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5279 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5280 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5281 Optimize eq/ne comparisons when both arguments are known to be
5283 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5284 Don't mask operands unnecessarily if they are known to be already
5287 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5289 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5292 2010-02-10 Richard Guenther <rguenther@suse.de>
5294 PR tree-optimization/43017
5295 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5296 for wrapping signed arithmetic.
5298 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5301 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5302 if no debug info should be emitted for it.
5304 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5306 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5307 note when flag_exceptions is set.
5309 2010-02-10 Duncan Sands <baldrick@free.fr>
5311 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5313 2010-02-10 Richard Guenther <rguenther@suse.de>
5316 * tree.c (get_unwidened): Handle constants.
5317 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5319 2010-02-10 Martin Jambor <mjambor@suse.cz>
5322 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5323 check for variable argument counts independently.
5325 2010-02-10 Christian Bruel <christian.bruel@st.com>
5328 * config/sh/sh.c (find_barrier): Increase length for non delayed
5329 conditional branches.
5331 2010-02-10 Christian Bruel <christian.bruel@st.com>
5333 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5335 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5337 * builtins.c (set_builtin_user_assembler_name): Also handle
5338 ffs if int is smaller than word.
5340 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5343 * ira-conflicts.c (get_dup): Remove.
5344 (process_reg_shuffles): Add new parameter. Use it as an
5345 additional guard for copy generation.
5346 (add_insn_allocno_copies): Rewrite.
5348 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5350 * common.opt (fsched2-use-traces): Preserved for backward
5352 * doc/invoke.texi: Remove the documentation about option
5353 -fsched2-use-traces.
5354 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5355 flag_sched2_use_traces.
5356 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5357 the backward compatibility flag section.
5359 2010-02-09 Richard Guenther <rguenther@suse.de>
5361 PR tree-optimization/43008
5362 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5363 make HEAP variables initialized from global memory if they
5364 are not known builtin functions.
5365 (find_func_aliases): Adjust.
5367 2010-02-09 Richard Guenther <rguenther@suse.de>
5369 PR tree-optimization/43000
5370 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5371 arithmetic manually.
5373 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5375 PR tree-optimization/42931
5376 * tree-loop-linear.c (try_interchange_loops): Don't call
5377 double_int_mul if estimated_loop_iterations failed.
5379 2010-02-08 Martin Jambor <mjambor@suse.cz>
5382 * tree-sra.c (build_accesses_from_assign): Do not mark in
5383 should_scalarize_away_bitmap if stmt has volatile ops.
5384 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5387 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5389 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5391 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5393 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5396 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5399 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5401 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5404 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5405 to unknown_dependence.
5406 (graphite_legal_transform_dr): Handle the unknown_dependence.
5407 (graphite_carried_dependence_level_k): Same.
5409 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5411 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5413 2010-02-07 Richard Guenther <rguenther@suse.de>
5416 * expr.c (get_inner_reference): Always initialize *pbitsize.
5418 2010-02-07 Richard Guenther <rguenther@suse.de>
5421 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5422 new ARRAY_REFs on variable size element or minimal index arrays.
5424 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5425 gimple_fold_indirect_ref.
5427 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5430 * arm.c (arm_override_options): Just return if the user has specified
5431 an invalid fpu name.
5433 2010-02-03 Jason Merrill <jason@redhat.com>
5436 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5437 i386_pe_maybe_record_exported_symbol.
5439 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5442 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5443 (pa_delegitimize_address): New function.
5445 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5447 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5448 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5450 2010-02-05 Richard Guenther <rguenther@suse.de>
5453 * lto-streamer-in.c (get_resolution): Deal with references
5454 to undefined functions.
5456 2010-02-05 Richard Guenther <rguenther@suse.de>
5458 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5459 (fold_const_aggregate_ref): Likewise.
5460 (ccp_fold_stmt): Substitute loads.
5461 (maybe_fold_reference): Verify types before substituting.
5463 (fold_gimple_assign): Unshare properly.
5464 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5466 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5468 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5469 for rs6000_gen_cell_microcode.
5471 2010-02-04 Richard Guenther <rguenther@suse.de>
5473 PR rtl-optimization/42952
5474 * dse.c (const_or_frame_p): Remove MEM handling.
5476 2010-02-04 Nick Clifton <nickc@redhat.com>
5478 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5479 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5480 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5481 (mn10300_asm_output_mi_thunk): New function.
5482 (mn10300_can_output_mu_thunk): New function.
5483 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5484 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5485 (FUNCTION_ARG): Delete incorrect comment.
5487 2010-02-03 Jason Merrill <jason@redhat.com>
5490 * fold-const.c (operand_equal_p): Handle erroneous types.
5492 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5494 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5496 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5498 PR rtl-optimization/42941
5499 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5502 2010-02-03 Jason Merrill <jason@redhat.com>
5505 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5507 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5510 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5511 (cselib_reset_table): Renamed from...
5512 (cselib_reset_table_with_next_value): ... this.
5513 (cselib_get_next_uid): Renamed from...
5514 (cselib_get_next_unknown_value): ... this.
5515 * cselib.c (next_uid): Renamed from...
5516 (next_unknown_value): ... this.
5517 (cselib_clear_table): Adjust.
5518 (cselib_reset_table): Adjust. Renamed from...
5519 (cselib_reset_table_with_next_value): ... this.
5520 (cselib_get_next_uid): Adjust. Renamed from...
5521 (cselib_get_next_unknown_value): ... this.
5522 (get_value_hash): Use hash.
5523 (cselib_hash_rtx): Likewise.
5524 (new_cselib_val): Adjust. Set and dump uid.
5525 (cselib_lookup_mem): Pass next_uid as hash.
5526 (cselib_subst_to_values): Likewise.
5527 (cselib_log_lookup): Dump uid.
5528 (cselib_lookup): Pass next_uid as hash. Adjust.
5529 (cselib_process_insn): Adjust.
5530 (cselib_init): Initialize next_uid.
5531 (cselib_finish): Adjust.
5532 (dump_cselib_table): Likewise.
5533 * dse.c (canon_address): Dump value uid.
5534 * print-rtl.c (print_rtx): Print value uid.
5535 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5537 (dv_uid): New function, sort of renamed from...
5538 (dv_htab_hash): ... this, reimplemented in terms of it and...
5539 (dv_uid2hash): ... this. New.
5540 (variable_htab_eq): Drop excess assertions.
5541 (tie_break_pointers): Removed.
5542 (canon_value_cmp): Compare uids.
5543 (variable_post_merge_New_vals): Print uids.
5544 (vt_add_function_parameters): Adjust.
5545 (vt_initialize): Reset table. Adjust.
5547 2010-02-03 Richard Guenther <rguenther@suse.de>
5549 PR tree-optimization/42944
5550 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5551 (call_may_clobber_ref_p_1): Likewise. Properly handle
5552 malloc and calloc clobbering errno.
5554 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5556 * doc/invoke.texi: Fix name of sched1 dump.
5558 * opts.c (decode_options): Set flag_tree_switch_conversion
5559 only conditionally on optimize >= 2.
5561 * gcse.c: Assorted comment fixes in pass description.
5563 2010-02-03 Anthony Green <green@moxielogic.com>
5565 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5566 nop padding in order to maintain alignment of storage location of
5567 target function address.
5568 (moxie_trampoline_init): Store target function address at newly
5570 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5572 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5574 2010-02-03 Richard Guenther <rguenther@suse.de>
5577 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5579 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5581 * config.gcc: Reenable check for obsolete targets.
5582 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5583 mips-sgi-irix6.[0-4]*.
5585 2010-02-02 Nick Clifton <nickc@redhat.com>
5587 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5588 constant size of 4 as being the same as 0.
5589 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5590 can take values in the range 0..4.
5592 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5595 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5596 as _darwin10_Unwind_FindEnclosingFunction().
5597 * libgcc-libsystem.ver: New.
5599 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5602 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5603 implicitly set registers.
5605 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5607 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5608 (arm_override_options): Allow automatic selection of the thread
5609 pointer register if thumb2.
5610 (legitimize_pic_address): Improve code sequences for Thumb2.
5611 (arm_call_tls_get_addr): Likewise.
5612 (legitimize_tls_address): Likewise.
5613 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5614 (pic_load_addr_32bit): ... this. New named pattern.
5615 * thumb2.md (pic_load_addr_thumb2): Delete.
5616 (pic_load_dot_plus_four): Delete.
5617 (tls_load_dot_plus_four): New named pattern.
5619 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5622 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5623 Document fix for TLS bug.
5625 2010-01-31 Richard Guenther <rguenther@suse.de>
5627 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5628 conservatively correct.
5630 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5634 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5636 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5638 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5640 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5642 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5644 * config.gcc: Adjust order of makefile fragments for mingw targets.
5646 2010-01-31 Richard Guenther <rguenther@suse.de>
5649 * gimplify.c (gimplify_init_constructor): For volatile LHS
5650 initialize a temporary.
5652 2010-01-31 Matthias Klose <doko@ubuntu.com>
5654 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5656 * configure: Regenerate.
5658 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5660 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5661 the same alias set and their sizes different constantness.
5662 (aliasing_component_refs_p): Revert 2009-10-24 change.
5664 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5666 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5669 2010-01-29 Richard Guenther <rguenther@suse.de>
5671 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5672 Assert we successfully updated the call.
5674 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5676 PR rtl-optimization/42889
5677 * df.h (df_set_bb_dirty_nonlr): New prototype.
5678 * df-core.c (df_set_bb_dirty_nonlr): New function.
5679 * df-scan.c (df_insn_rescan): Call it instead of
5680 df_set_bb_dirty for DEBUG_INSNs.
5682 2010-01-29 Richard Guenther <rguenther@suse.de>
5685 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5686 quadratic behavior in most cases.
5688 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5691 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5692 in the call to gen_x86_movsicc_0_m1.
5694 2010-01-28 Richard Guenther <rguenther@suse.de>
5696 PR tree-optimization/42871
5697 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5699 2010-01-28 Richard Guenther <rguenther@suse.de>
5701 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5702 into call arguments.
5704 2010-01-28 Richard Guenther <rguenther@suse.de>
5707 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5708 the forwarder if the destination is an EH landing pad.
5710 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5712 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5713 block list passed to gimple_duplicate_sese_tail.
5714 (parallelize_loops): Avoid parallelization when the function
5716 Avoid parallelization when the preheader is IRREDUCIBLE.
5717 Try to optimize when estimated_loop_iterations_int is unresolved.
5718 Add the loop's location to the dump file.
5719 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5720 (gimple_duplicate_sese_tail): Remove the check for the latch.
5721 Redirect nexits to the exit block.
5722 Remove handling of the incoming edges to the latch.
5723 Redirect the backedge from the copied latch to the exit bb.
5725 2010-01-28 Michael Matz <matz@suse.de>
5728 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5729 Wrap force_reg into a sequence, emit it before user.
5731 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5733 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5735 (arm_legacy_rev): Likewise.
5736 (thumb_legacy_rev): Likewise.
5738 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5740 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5741 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5742 on MEM's address failed, try avoid_constant_pool_reference and
5743 recurse if it returned something different.
5744 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5745 address, try avoid_constant_pool_reference and recurse if it
5746 returned something different.
5747 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5748 address and avoid_constant_pool_reference returned something
5749 different, don't set have_address.
5751 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5754 * var-tracking.c (val_store): Add modified argument, obey it.
5756 (count_uses): Move down logging of main.
5757 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5758 don't need resolution.
5759 (emit_notes_in_bb): Likewise.
5761 2010-01-27 Richard Guenther <rguenther@suse.de>
5764 * tree-inline.c (remap_decl): Delay remapping of SSA name
5765 default definitions until we need them.
5767 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5769 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5770 (rs6000_delegitimize_address): New function.
5772 * config/s390/s390.c (s390_delegitimize_address): Call
5773 delegitimize_mem_from_attrs.
5776 * tree-inline.c (cannot_copy_type_1): Removed.
5777 (copy_forbidden): Don't forbid copying of functions containing
5778 records/unions with variable length fields.
5780 2010-01-27 Christian Bruel <christian.bruel@st.com>
5784 * config/sh/sh.c (find_barrier): Increase length for non delayed
5785 conditional branches.
5787 2010-01-27 Matthias Klose <doko@ubuntu.com>
5789 * configure.ac (gnu-unique-object): Fix ldd version check.
5790 * configure: Regenerate.
5792 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5794 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5796 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5797 Test for HAVE_GNU_AS value.
5799 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5801 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5802 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5803 INT64_TYPE): Define.
5804 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5805 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5806 INT_LEAST64_TYPE): Define.
5807 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5808 UINT_LEAST64_TYPE): Define.
5809 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5810 INT_FAST64_TYPE): Define.
5811 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5812 UINT_FAST64_TYPE): Define.
5813 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5814 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5815 (SIG_ATOMIC_TYPE): Define.
5817 2010-01-26 Richard Guenther <rguenther@suse.de>
5819 * df-scan.c (df_scan_set_bb_info): Remove assert.
5820 (df_insn_rescan_debug_internal): Merge asserts.
5821 (df_install_ref): Likewise.
5822 (df_mark_reg): Use bitmap_set_range.
5823 (df_hard_reg_used_p): Remove assert.
5824 (df_hard_reg_used_count): Likewise.
5826 2010-01-26 Richard Guenther <rguenther@suse.de>
5828 PR rtl-optimization/42685
5829 * web.c (web_main): Ignore DEBUG_INSNs.
5831 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5833 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5835 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5836 Fix types of fndecl and arglist parameters.
5838 2010-01-26 Richard Guenther <rguenther@suse.de>
5841 * tree-eh.c (unsplit_eh): Skip debug insns.
5843 2010-01-26 Richard Guenther <rguenther@suse.de>
5845 PR tree-optimization/42250
5846 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5848 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5851 * omp-low.c (expand_omp_sections): Only use single_pred if
5852 l2_bb is single_pred_p.
5854 2010-01-25 Christian Bruel <christian.bruel@st.com>
5857 * config/sh/sh.c (find_barrier): Increase length for non delayed
5858 conditional branches.
5859 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5861 2010-01-24 David S. Miller <davem@davemloft.net>
5863 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5864 define if not using GAS.
5865 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5866 Likewise. Delete SECTION_MERGE code, which is only applicable
5869 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5872 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5873 mangling of va_list in system headers.
5875 2010-01-23 Toon Moene <toon@moene.org>
5877 * tree-predcom.c (combine_chains): Return NULL, not false.
5879 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5881 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5882 initialization of variable res to agree with return type.
5884 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5886 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5887 * tree-sra.c: Add include of expr.h.
5889 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5891 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5892 insert the debug stmt on the single non-EH edge from the stmt.
5894 2010-01-22 Richard Henderson <rth@redhat.com>
5897 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5898 the RHS until after generate_subtree_copies has insertted its
5899 code before the current statement.
5901 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5903 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5905 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5907 2010-01-21 Martin Jambor <mjambor@suse.cz>
5909 PR tree-optimization/42585
5910 * tree-sra.c (struct access): New field grp_total_scalarization.
5911 (dump_access): Dump the new field.
5912 (should_scalarize_away_bitmap): New variable.
5913 (cannot_scalarize_away_bitmap): Likewise.
5914 (sra_initialize): Allocate new bitmaps.
5915 (sra_deinitialize): Free new bitmaps.
5916 (create_access_1): New function.
5917 (create_access): Parts moved to create_access_1.
5918 (type_consists_of_records_p): New function.
5919 (completely_scalarize_record): Likewise.
5920 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5921 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5922 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5924 (analyze_all_variable_accesses): Completely scalarize small eligible
5927 2010-01-21 Martin Jambor <mjambor@suse.cz>
5929 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5931 2010-01-21 Andrew Haley <aph@redhat.com>
5933 * gcc.c (process_command): Move lang_specific_driver before
5934 setting cc_libexec_prefix.
5936 2010-01-21 Richard Guenther <rguenther@suse.de>
5939 * fold-const.c (negate_expr_p): Pretend only negative
5940 real constants are easily negatable.
5942 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5943 Jason Merrill <jason@redhat.com>
5945 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5946 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5947 * calls.c (initialize argument_information): Handle it.
5948 * c-common.c (handle_transparent_union_attribute): Use new name.
5949 * c-decl.c (finish_struct): Ditto.
5950 * c-typeck.c (type_lists_compatible_p): Ditto.
5951 (convert_for_assignment): Use new name and also handle record.
5952 * function.c (aggregate_value_p): Handle it.
5953 (pass_by_reference): Ditto.
5954 (assign_parm_data_types): Ditto.
5955 * print-tree.c (print_node): Ditto.
5956 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5957 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5958 * tree.c (first_field): New fn.
5960 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5963 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5964 even when linking statically, for now.
5966 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5969 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5970 without a cselib val.
5971 (count_uses): Accept MO_VAL_SET with no val on stores.
5972 (add_stores): Likewise.
5974 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5976 * var-tracking.c (check_value_val): Add a compile time assertion.
5977 (dv_is_decl_p): Simplify.
5978 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5979 gcc_assert if ENABLE_CHECKING.
5981 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5984 * var-tracking.c: Include tree-flow.h.
5985 (mem_dies_at_call): New.
5986 (dataflow_set_preserve_mem_locs): Use it.
5987 (dataflow_set_remove_mem_locs): Likewise.
5988 (dump_var): Renamed from dump_variable. Adjust all callers.
5989 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5990 * Makefile.in (var-tracking.o): Adjust deps.
5992 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5994 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5996 2010-01-20 Richard Guenther <rguenther@suse.de>
5998 PR tree-optimization/42717
5999 * tree-ssa-dce.c (get_live_post_dom): Remove.
6000 (forward_edge_to_pdom): Take an arbitrary edge to copy
6001 degenerate PHI args from.
6002 (remove_dead_stmt): Use the first post-dominator even if it
6003 does not contain live statements as redirection destination.
6005 2010-01-20 Richard Guenther <rguenther@suse.de>
6007 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6009 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6011 * sel-sched.c (create_speculation_check): Remove set but not used
6013 (try_transformation_cache): Remove set but not used variable ds.
6014 (calculate_privileged_insns): Remove set but not used variables
6015 cur_insn and min_spec_insn.
6016 (find_best_expr): Remove set but not used variable avail_n.
6017 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6019 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6021 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6022 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6025 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6028 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6029 cpu types. Add support for *-sse3 cpu types.
6030 (x86_64-*-*): Ditto.
6032 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6035 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6036 argument, call initializer_constant_valid_p_1 instead of
6037 initializer_constant_valid_p, pass CACHE to it, return NULL
6038 immediately if first call returns NULL.
6039 (initializer_constant_valid_p_1): New function.
6040 (initializer_constant_valid_p): Use it.
6042 2010-01-20 Thomas Quinot <quinot@adacore.com>
6044 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6046 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6048 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6049 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6050 (loc_list_from_tree): Don't handle unsigned division. Handle
6051 signed modulo using DW_OP_{over,over,div,mul,minus}.
6052 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6053 modulo instead of signed.
6055 2010-01-20 DJ Delorie <dj@redhat.com>
6057 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6059 (h8300_emit_stack_adjustment): Propogate it.
6061 (h8300_expand_prologue): Likewise.
6062 (h8300_expand_epilogue): Likewise.
6064 2010-01-19 Michael Matz <matz@suse.de>
6066 PR tree-optimization/41783
6067 * tree-data-ref.c (toplevel): Include flags.h.
6068 (dump_data_dependence_relation): Also dump the inputs if the
6069 result will be unknown.
6070 (split_constant_offset_1): Look through some conversions.
6071 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6072 the offset from last element is too large.
6073 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6074 (reassociate_to_the_same_stmt): Handle vector registers.
6075 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6077 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6078 wide_prolog_niters argument, emit widening instructions.
6079 (vect_do_peeling_for_alignment): Adjust caller, use widened
6080 variant of the iteration cound.
6081 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6083 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6086 * config/arm/neon-testgen.m (emit_automatics): New parameter
6087 features. Adjust for Fixed_return_reg feature.
6088 (test_intrinsic): Call emit_automatics with new feature.
6089 * config/arm/neon.ml: Update copyright years.
6090 (features): New Fixed_return_reg feature.
6091 (ops): Update feature for Vget_low.
6093 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6095 PR tree-optimization/42719
6096 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6100 * fwprop.c (all_uses_available_at): Return false if def_set dest
6101 is a REG that is used in def_insn.
6103 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6105 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6107 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6110 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6112 * target.h (struct gcc_target) <secondary_reload>: Change type
6113 of last argument to secondary_reload_info *.
6115 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6118 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6119 memory references with unaligned offsets. Remove CQImode handling.
6120 (unaligned_memory_operand): Return 1 for memory references with
6121 unaligned offsets. Remove CQImode handling.
6123 2010-01-18 Richard Guenther <rguenther@suse.de>
6126 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6129 2010-01-18 Richard Guenther <rguenther@suse.de>
6131 PR tree-optimization/42781
6132 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6133 restrict processing only if the original variable was artificial.
6135 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6137 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6138 find number of popped argument bytes.
6140 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6141 Fix the text that describes the return value for invalid insns.
6143 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6145 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6146 Clarify what 'cost of the -dependence' is. Fix quoting.
6148 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6149 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6151 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6153 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6154 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6156 2010-01-17 Richard Guenther <rguenther@suse.de>
6159 * function.c (split_complex_args): Take a VEC to modify.
6160 (assign_parms_augmented_arg_list): Build a VEC instead of
6161 a chain of PARM_DECLs.
6162 (assign_parms_unsplit_complex): Take a VEC of arguments.
6163 Do not fixup unmodified parms.
6164 (assign_parms): Deal with the VEC.
6165 (gimplify_parameters): Likewise.
6167 2010-01-17 Richard Guenther <rguenther@suse.de>
6169 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6170 node existence check.
6171 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6172 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6173 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6174 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6175 (gimple_execute_on_growing_pred): Likewise.
6177 2010-01-17 Richard Guenther <rguenther@suse.de>
6179 PR tree-optimization/42773
6180 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6181 (compute_antic_aux): Likewise.
6182 (compute_partial_antic_aux): Likewise.
6184 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6187 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6190 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6192 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6195 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6196 Fix markup for strict argument.
6198 (TARGET_SCHED_REORDER2): Fix argument types.
6200 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6201 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6203 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6204 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6206 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6209 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6210 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6211 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6212 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6213 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6215 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6217 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6219 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6220 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6222 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6224 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6227 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6229 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6230 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6232 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6234 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6236 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6237 referring to it. Fix language.
6239 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6241 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6243 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6245 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6247 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6248 '@var{stream}. Remove stray 'and'.
6250 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6252 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6254 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6256 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6257 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6259 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6260 Fix description of return value.
6261 Rename argument "sz" to "len."
6263 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6264 Clarify meaning of 'true' return value.
6266 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6268 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6269 rep_mode versus mode_rep.
6271 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6273 (TARGET_BUILTIN_DECL): Fix name.
6275 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6277 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6279 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6281 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6283 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6285 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6288 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6289 Rename argument tm_fn to md_fn.
6291 (TARGET_OPTION_PRINT): Fix argument list.
6293 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6296 * config/i386/i386.c (ix86_fixup_binary_operands):
6297 Revert FMA4 fixup of operands.
6299 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6302 * Makefile.in (write_entries_to_file, install-plugin):
6303 Use \012 instead of \n with tr.
6305 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6307 * configure.ac (HAVE_AS_REF): New C macro.
6308 * configure: Regenerate.
6309 * config.in: Likewise.
6310 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6312 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6315 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6317 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6319 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6321 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6323 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6325 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6327 (TARGET_BINDS_LOCAL_P): Fix argument type.
6329 (TARGET_ASM_FILE_END): Use prototype.
6331 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6333 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6335 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6337 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6339 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6340 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6342 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6343 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6345 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6346 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6347 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6348 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6350 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6352 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6354 (TARGET_INIT_BUILTINS): Use prototype.
6356 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6357 Put 'const char *' in braces. Fix parameter types.
6358 (TARGET_INVALID_CONVERSION): Fix parameter types.
6359 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6360 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6362 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6365 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6367 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6369 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6371 * doc/tm.texi (TARGET_HELP): Fix return type.
6373 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6374 in braces. Fix argument types.
6376 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6378 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6380 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6382 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6383 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6385 (TARGET_MANGLE_TYPE): Fix argument types.
6387 (TARGET_IRA_COVER_CLASSES): Use prototype.
6389 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6391 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6393 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6395 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6397 (TARGET_CALLEE_COPIES): Fix argument types.
6399 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6401 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6403 (TARGET_FUNCTION_VALUE): Fix argument types.
6405 (TARGET_RETURN_IN_MSB): Fix argument type.
6407 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6409 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6411 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6413 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6414 agree with return type.
6416 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6418 2010-01-15 Jing Yu <jingyu@google.com>
6420 PR rtl-optimization/42691
6421 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6422 a pseudo to a constant and are merged, and adjust comments.
6424 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6426 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6428 2010-01-15 Richard Guenther <rguenther@suse.de>
6431 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6432 labels of computed or non-local gotos to the destination.
6433 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6434 landing pad label is the first label.
6436 2010-01-15 Richard Guenther <rguenther@suse.de>
6438 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6440 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6443 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6444 to allow generation of the xssqrtdp instruction on power7.
6445 (sqrtdf2_fpr): Ditto.
6447 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6450 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6451 functions with noreturn attribute.
6454 * varasm.c (declare_weak): Add weak attribute to decl if it
6455 doesn't have one already.
6456 (assemble_external): Only add decls to weak_decls if they also
6457 have weak attribute.
6459 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6461 * var-tracking.c (var_reg_delete): Don't delete the association
6462 between REGs and values or one-part variables if the register
6465 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6468 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6469 because its first operand is a non-localized variable.
6471 2010-01-14 Martin Jambor <mjambor@suse.cz>
6473 PR tree-optimization/42706
6474 * tree-sra.c (encountered_recursive_call): New variable.
6475 (encountered_unchangable_recursive_call): Likewise.
6476 (sra_initialize): Initialize both new variables.
6477 (callsite_has_enough_arguments_p): New function.
6478 (scan_function): Call decl and flags check only for IPA-SRA, check
6479 whether there is a recursive call and whether it has enough arguments.
6480 (all_callers_have_enough_arguments_p): New function.
6481 (convert_callers): Look for recursive calls only when
6482 encountered_recursive_call is set.
6483 (ipa_early_sra): Bail out either if
6484 !all_callers_have_enough_arguments_p or
6485 encountered_unchangable_recursive_call.
6487 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6489 * sel-sched.c: Add 2010 to copyright years.
6490 * sel-sched-ir.c: Likewise.
6491 * sel-sched-ir.h: Likewise.
6493 2010-01-14 Martin Jambor <mjambor@suse.cz>
6495 PR tree-optimization/42714
6496 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6497 constructors specially.
6499 2010-01-14 Andi Kleen <ak@linux.intel.com>
6501 * config/i386/drivers-i386.c (detect_caches_intel):
6502 Add l2sizekb parameter and fill in.
6503 (host_detect_local_cpu): Add l2sizekb, fill in.
6504 Add Atom small cache heuristic.
6506 2010-01-14 Andi Kleen <ak@linux.intel.com>
6508 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6509 Add level3 parameter and fill in.
6510 (detect_caches_intel): Handle level3 cache.
6512 2010-01-14 Andi Kleen <ak@linux.intel.com>
6514 * config/i386/drivers-i386.c (host_detect_local_cpu):
6515 Fix core duo detection.
6517 2010-01-14 Andi Kleen <ak@linux.intel.com>
6519 * config/i386/drivers-i386.c (host_detect_local_cpu):
6522 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6524 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6525 (rs6000_variable_issue_1): this. Use...
6526 (rs6000_variable_issue): here. Reimplement. Print debug info.
6528 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6530 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6531 sel_restore_notes. Update all callers. Call reemit_notes
6534 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6536 PR rtl-optimization/42246
6537 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6540 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6542 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6543 all successors is the same as number of successors in current region.
6545 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6547 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6548 to rename is not separable. Otherwise check that its LHS is not NULL.
6550 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6552 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6554 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6556 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6557 available registers when failed to discover LHS register class.
6558 Fix indentation. Update comment.
6560 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6561 Alexander Monakov <amonakov@ispras.ru>
6563 PR rtl-optimization/42389
6564 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6566 (advance_state_on_fence): Likewise.
6567 (sel_target_adjust_priority): Print debug output only when
6568 sched_verbose >= 4, not 2.
6569 (get_expr_cost): Do not issue all unique insns on the next cycle.
6570 (fill_insns): Initialize can_issue_more from the value saved
6572 * sel-sched-ir.c (flist_add): New parameter issue_more.
6573 Init FENCE_ISSUE_MORE with it.
6574 (merge_fences): Likewise.
6575 (init_fences): Update call to flist_add.
6576 (add_to_fences, add_clean_fence_to_fences)
6577 (add_dirty_fence_to_fences): Likewise.
6578 (move_fence_to_fences): Update call to merge_fences.
6579 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6581 * sel-sched-ir.h (struct _fence): New field issue_more.
6582 (FENCE_ISSUE_MORE): New accessor macro.
6584 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6586 PR rtl-optimization/42388
6587 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6588 that have no predecessors nor successors. Do not call move_bb_info
6589 for empty blocks outside of current region.
6591 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6593 PR rtl-optimization/42294
6594 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6595 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6596 originators' originators.
6598 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6600 PR rtl-optimization/39453
6601 PR rtl-optimization/42246
6602 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6604 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6606 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6607 Alexander Monakov <amonakov@ispras.ru>
6610 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6611 (maybe_tidy_empty_bb): ... here. Make static. Add new
6612 argument. Update all callers.
6613 (tidy_control_flow): ... and here. Recompute topological order
6614 of basic blocks in region if necessary.
6615 (sel_redirect_edge_and_branch): Change return type. Return true
6616 if topological order might have been invalidated.
6617 (purge_empty_blocks): Export and move from...
6618 * sel-sched.c (purge_empty_blocks): ... here.
6619 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6620 (maybe_tidy_empty_bb): Delete prototype.
6621 (purge_empty_blocks): Declare.
6623 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6625 PR rtl-optimization/42249
6626 * sel-sched.c (try_replace_dest_reg): When chosen register
6627 and original register is the same, do not bail out early, but
6628 still check all original insns for validity of replacing destination
6629 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6632 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6635 Port from no-undefined-overflow branch:
6636 2009-03-09 Richard Guenther <rguenther@suse.de>
6638 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6640 2010-01-14 Richard Guenther <rguenther@suse.de>
6643 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6645 2010-01-14 Ira Rosen <irar@il.ibm.com>
6647 PR tree-optimization/42709
6648 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6649 as scalar type in creation of constant vector operand.
6651 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6654 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6655 (check-parallel-%): Match `testsuite' directory component only
6658 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6660 PR translation/39521
6661 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6664 2010-01-13 Richard Guenther <rguenther@suse.de>
6666 PR tree-optimization/42730
6667 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6670 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6673 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6674 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6677 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6679 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6680 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6681 ___umulsi3_highpart.
6683 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6684 rather than schedule_insns if the pass is enabled.
6686 2010-01-13 Martin Jambor <mjambor@suse.cz>
6688 PR tree-optimization/42704
6689 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6692 2010-01-13 Martin Jambor <mjambor@suse.cz>
6694 PR tree-optimization/42703
6695 * tree-sra.c (analyze_access_subtree): Check that we can build a
6696 reference to the original data within the aggregate.
6698 2010-01-13 Richard Guenther <rguenther@suse.de>
6700 PR tree-optimization/42705
6701 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6703 2010-01-13 Richard Guenther <rguenther@suse.de>
6706 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6708 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6711 * var-tracking.c (values_to_unmark): New variable.
6712 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6713 values_to_unmark vector. Moved body to...
6714 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6715 instead queue it into values_to_unmark vector.
6716 (vt_find_locations): Free values_to_unmark vector.
6718 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6720 * config/s390/s390.c (override_options): Set
6721 default of max-pending-list-length to 256
6723 2010-01-13 Richard Guenther <rguenther@suse.de>
6726 * tree-pass.h (PROP_gimple_lcx): New.
6727 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6728 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6729 before the final cleanup_eh.
6730 (dump_properties): Dump PROP_gimple_lcx.
6731 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6732 (tree_lower_complex_O0): Remove.
6733 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6734 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6735 tree_lower_complex, schedule TODO_update_ssa.
6736 * lto-streamer-out.c (output_function): Stream the functions
6738 * lto-streamer-in.c (input_function): Likewise.
6739 (lto_read_body): Do not override them here.
6741 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6744 * c-typeck.c (build_c_cast): Fold value cast to union type before
6745 wrapping it in a CONSTRUCTOR.
6747 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6749 PR rtl-optimization/42699
6750 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6753 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6755 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6756 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6757 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6758 SUBTARGET_WARN_UNUSED_SPEC): ... here
6759 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6761 2010-01-12 Julian Brown <julian@codesourcery.com>
6763 * config/arm/neon-schedgen.ml (Utils): Don't try to
6764 open missing module.
6765 (find_with_result): New.
6767 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6770 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6771 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6773 PR tree-optimization/42645
6774 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6775 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6776 decl_map, set processing_debug_stmt to -1 and return name without
6779 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6781 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6782 binutils version, and reword target configuration description.
6784 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6786 * config/avr/avr.h (LINKER_NAME): Remove.
6788 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6791 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6792 that support VSX, warn for -mno-altivec if vsx is not disabled,
6795 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6796 Shujing Zhao <pearly.zhao@oracle.com>
6798 PR translation/42469
6799 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6800 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6801 character between option name and help text.
6802 * c.opt (imultilib): Likewise.
6804 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6806 * lto-streamer-out.c (output_unreferenced_globals): Output static
6809 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6811 PR rtl-optimization/42621
6812 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6813 optimizing for size.
6814 (duplicate_computed_gotos): Remove now-redundant check.
6816 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6819 * configure.ac: Save and restore LDFLAGS and LIBS
6820 * configure: Regenerate.
6822 2010-01-10 Richard Guenther <rguenther@suse.de>
6825 * builtins.c (fold_builtin_strlen): Add type argument and
6826 convert the resulting length to it.
6827 (fold_builtin_1): Adjust.
6829 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6831 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6832 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6834 (num_insns_constant_wide): Adjust for that change.
6836 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6839 * web.c (union_defs): Add used argument, to combine uses of
6841 (entry_register): Adjust type and tests of used argument.
6842 (web_main): Widen used for new use. Pass it to union_defs.
6843 * df.h (union_defs): Adjust prototype.
6845 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6848 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6849 uses in new incoming argument. Free body.
6850 (reset_debug_uses_in_loop): New.
6851 (analyze_insn_to_expand_var): Call the latter if the former found
6852 anything. Fix whitespace. Reject invalid dest overlaps before
6853 going through all insns in the loop.
6855 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6858 * haifa-sched.c (dying_use_p): Debug insns don't count.
6860 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6863 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6864 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6865 (verify_gimple_call): Reject LHS in noreturn calls.
6867 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6871 * tree-vect-loop-manip.c (adjust_info): New type.
6872 (adjust_vec): New pointer to vector.
6873 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6874 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6875 (slpeel_update_phis_for_duplicate_loop): Use them.
6876 (slpeel_update_phi_nodes_for_guard1): Likewise.
6877 (slpeel_update_phi_nodes_for_guard2): Likewise.
6878 (slpeel_tree_peel_loop_to_edge): Likewise.
6879 (vect_update_ivs_after_vectorizer): Likewise.
6881 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6883 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6884 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6886 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6888 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6889 bogus uninitialized warning.
6891 2010-01-09 Richard Guenther <rguenther@suse.de>
6894 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6895 the evolution is compatible with the initial condition.
6897 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6899 * gcc.c (process_command): Update copyright notice dates.
6900 * gcov.c (print_version): Likewise.
6901 * gcov-dump.c (print_version): Likewise.
6902 * mips-tfile.c (main): Likewise.
6903 * mips-tdump.c (main): Likewise.
6905 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6908 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6910 (rotlhi3_8): Delete.
6912 (rotlsi3_8): Delete.
6913 (rotlsi3_16): Delete.
6914 (rotlsi3_24): Delete.
6916 (*rotw<mode>3): New.
6917 (*rotb<mode>3): New.
6918 * config/avr/avr.c (avr_rotate_bytes): New function.
6919 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6921 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6924 * configure.ac: Modify -rdynamic check.
6925 * configure: Regenerate.
6927 2010-01-08 DJ Delorie <dj@redhat.com>
6929 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6930 register popping order.
6932 2010-01-08 Richard Guenther <rguenther@suse.de>
6935 * c.opt (fsigned-char): Also let LTO handle this option.
6936 (funsigned-char): Likewise.
6938 2010-01-07 Richard Guenther <rguenther@suse.de>
6940 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6941 (gimple_op): Likewise.
6942 (gimple_op_ptr): Likewise.
6943 (gimple_assign_set_lhs): Remove gcc_assert.
6944 (gimple_assign_set_rhs1): Likewise.
6945 (gimple_assign_set_rhs2): Likewise.
6946 (gimple_call_set_lhs): Likewise.
6947 (gimple_call_set_fn): Likewise.
6948 (gimple_call_set_fndecl): Likewise.
6949 (gimple_call_fndecl): Likewise.
6950 (gimple_call_return_type): Likewise.
6951 (gimple_call_set_chain): Likewise.
6952 (gimple_call_num_args): Likewise.
6953 (gimple_call_set_arg): Likewise.
6954 (gimple_cond_set_code): Likewise.
6955 (gimple_cond_set_lhs): Likewise.
6956 (gimple_cond_set_rhs): Likewise.
6957 (gimple_cond_set_true_label): Likewise.
6958 (gimple_cond_set_false_label): Likewise.
6959 (gimple_label_set_label): Likewise.
6960 (gimple_goto_set_dest): Likewise.
6961 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6962 (gimple_debug_bind_get_value): Likewise.
6963 (gimple_debug_bind_get_value_ptr): Likewise.
6964 (gimple_debug_bind_set_var): Likewise.
6965 (gimple_debug_bind_set_value): Likewise.
6966 (gimple_debug_bind_reset_value): Likewise.
6967 (gimple_debug_bind_has_value_p): Likewise.
6968 (gimple_return_retval_ptr): Remove gcc_assert.
6969 (gimple_return_retval): Likewise.
6970 (gimple_return_set_retval): Likewise.
6971 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6972 (safe_referenced_var_iterator): Remove.
6973 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6974 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6975 (fill_referenced_var_vec): Remove.
6976 (first_readonly_imm_use): Remove redundant gcc_assert.
6977 (phi_arg_index_from_use): Combine gcc_asserts.
6978 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6979 (first_imm_use_stmt): Remove redundant gcc_assert.
6980 * tree-cfg.c (verify_gimple_call): Verify function and chain
6981 operands. Verify arguments.
6982 (verify_types_in_gimple_stmt): Verify condition code and labels.
6984 2010-01-07 Richard Guenther <rguenther@suse.de>
6986 PR tree-optimization/42641
6987 * sese.c (rename_map_elt_info): Use the SSA name version, do
6990 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6992 PR tree-optimization/42625
6993 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6994 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6996 2010-01-07 Duncan Sands <baldrick@free.fr>
6998 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7000 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7003 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7004 note itself is not function_invariant_p.
7006 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7008 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7009 Do not add the DF_NOTE problem.
7010 * store-motion.c (execute_rtl_store_motion): Likewise.
7012 2010-01-07 Martin Jambor <mjambor@suse.cz>
7014 PR tree-optimization/42157
7015 * tree-sra.c (compare_access_positions): Stabilize sort if both
7016 accesses have integer types, return zero immediately if they are the
7019 2010-01-06 Richard Henderson <rth@redhat.com>
7022 * haifa-sched.c (add_to_note_list): Merge into ...
7023 (concat_note_lists): ... here, and ...
7024 (unlink_other_notes, rm_other_notes): Merge into...
7025 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7026 NOTE_INSN_EPILOGUE_BEG.
7028 2010-01-06 Richard Guenther <rguenther@suse.de>
7030 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7031 not inline regular functions into always-inline functions.
7033 2010-01-06 Nick Clifton <nickc@redhat.com>
7035 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7036 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7038 (OVERRIDE_OPTIONS): Delete.
7039 (OPTIMIZATION_OPTIONS): Define.
7040 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7041 * config/rx/rx.c (rx_handle_option): Issue an error message if
7042 -mcpu=rx200 and -fpu are used together.
7043 (rx_set_optimization_options): New function. Issue an error
7044 message if an optimization attribute attempts to reset the FPU/
7045 math optimization pairing.
7046 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7047 * config/rx/rx.opt: Set the default to 32-bit doubles.
7048 * config/rx/t-rx: Add multilibs for -nofpu option.
7049 * doc/invoke.texi: Update documentation of RX options.
7051 2010-01-06 Richard Guenther <rguenther@suse.de>
7053 * tree-ssa-pre.c (name_to_id): New global.
7054 (alloc_expression_id): Simplify SSA name handling.
7055 (lookup_expression_id): Likewise.
7056 (init_pre): Zero name_to_id.
7057 (fini_pre): Free it.
7059 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7061 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7063 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7066 * config/i386/sse.md (smaxv2di3): New.
7067 (umaxv2di3): Likewise.
7068 (sminv2di3): Likewise.
7069 (uminv2di3): Likewise.
7071 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7074 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7075 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7076 (legitimize_tls_address): Likewise.
7077 (sparc_tls_referenced_p): Likewise.
7078 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7079 and adjust calls to legitimize_pic_address.
7080 (legitimate_constant_p) Use sparc_tls_referenced_p.
7081 (legitimate_pic_operand_p): Likewise.
7082 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7083 (sparc_tls_symbol_ref_1): Delete.
7084 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7085 (legitimize_tls_address): Make static, handle CONST patterns.
7086 (legitimize_pic_address): Make static, remove unused parameter and
7087 adjust recursive calls.
7088 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7089 and adjust call to legitimize_pic_address.
7090 (sparc_output_mi_thunk): Likewise.
7092 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7093 H.J. Lu <hongjiu.lu@intel.com>
7096 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7097 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7098 operands to make them signed.
7101 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7104 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7105 GTU to GT for V4SI and V2DI.
7107 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7108 (umin<mode>3): Removed.
7110 (uminv4si3): Likewise.
7112 2010-01-05 Martin Jambor <mjambor@suse.cz>
7114 PR tree-optimization/42462
7115 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7116 current_function_decl to helper functions and macros.
7118 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7121 * flags.h: Don't include real.h.
7122 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7123 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7124 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7125 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7126 * dominance.c: Update copyright.
7127 * gimple.c (walk_gimple_op): Remove inline.
7128 * tree-ssa-reassoc.c: Include real.h.
7129 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7130 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7132 2010-01-05 Nick Clifton <nickc@redhat.com>
7134 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7135 register to push into the stack frame when the accumulator has to
7136 be saved during interrupts.
7138 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7140 * doc/invoke.texi: Remove the documentation about option
7142 * common.opt (Wunreachable-code): Preserved for backward
7144 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7145 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7146 the backward compatibility flag section.
7148 2010-01-05 Richard Guenther <rguenther@suse.de>
7150 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7152 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7155 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7157 PR tree-optimization/42508
7158 * tree-sra.c (convert_callers): Check for recursive call
7159 by comparing cgraph nodes instead of decls.
7160 (modify_function): Call ipa_modify_formal_parameters also
7161 on all same_body aliases.
7163 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7164 cgraph nodes when checking for same_body aliases.
7166 2010-01-05 Richard Guenther <rguenther@suse.de>
7168 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7169 allocation and lookup.
7170 (get_or_alloc_expr_for_constant): Likewise.
7171 (phi_translate): Sink allocation.
7173 2010-01-04 Richard Guenther <rguenther@suse.de>
7175 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7176 a new entry only if needed.
7177 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7178 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7180 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7182 (phi_translate): Handle CONSTANTs early.
7184 2010-01-04 Martin Jambor <mjambor@suse.cz>
7186 PR tree-optimization/42398
7187 * tree-sra.c (struct access): Removed flag grp_different_types.
7188 (dump_access): Do not dump the removed flag.
7189 (sort_and_splice_var_accesses): Do not set the removed flag.
7190 (sra_modify_expr): Check for type compatibility directly.
7192 2010-01-04 Martin Jambor <mjambor@suse.cz>
7194 PR tree-optimization/42366
7195 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7196 edges with variable number of parameters.
7197 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7198 flag instead of asserting it.
7199 (ipa_read_node_info): Read uses_analysis_done flag.
7201 2010-01-04 Richard Guenther <rguenther@suse.de>
7203 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7204 iterative_hash_* as intended.
7205 (vn_reference_compute_hash): Likewise. Simplify hashing
7207 (vn_reference_lookup_2): Likewise.
7208 (vn_nary_op_compute_hash): Likewise.
7209 (vn_phi_compute_hash): Likewise.
7210 (expressions_equal_p): Remove strange code.
7211 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7212 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7213 (bitmap_insert_into_set_1): Take value-id as parameter.
7214 (add_to_value): Pass it.
7215 (bitmap_insert_into_set): Likewise.
7216 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7218 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7221 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7222 (do_self_spec): For switches with SWITCH_IGNORE set set also
7223 SWITCH_IGNORE_PERMANENTLY.
7224 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7227 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7229 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7230 tree of an unreferenced global var.
7232 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7235 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7236 GTU to GT for V4SI and V2DI.
7238 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7239 (umin<mode>3): Removed.
7241 (uminv4si3): Likewise.
7243 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7246 * collect2.c (main): Turn on trace in collect2 if -v is passed
7249 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7251 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7252 description of expression operand.
7254 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7256 * configure.ac: Add install-html to target_list for Make-hooks.
7257 * configure: Regenerate.
7258 * fortran/Make-lang.in (F95_HTMLFILES): New.
7259 (fortran.html): Use it.
7260 (fortran.install-html): New.
7261 * Makefile.in (install-html): Add lang.install-html.
7262 * java/Make-lang.in (JAVA_HTMLFILES): New.
7263 (java.html): Use it.
7264 (java.install-html): New.
7265 * objc/Make-lang.in (objc.install-html): New.
7266 * objcp/Make-lang.in (obj-c++.install-html): New.
7267 * cp/Make-lang.in (c++.install-html): New.
7268 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7269 * lto/Make-lang.in (lto.install-html): New.
7271 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7274 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7276 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7278 PR rtl-optimization/41862
7279 * store-motion.c (store_killed_in_insn, compute_store_table,
7280 remove_reachable_equiv_notes, replace_store_insn,
7281 build_store_vectors): Ignore all DEBUG_INSNs.
7283 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7286 * common.opt: Add dumpdir.
7288 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7290 (option_map): Add --dumpdir.
7292 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7294 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7296 * opts.c (decode_options): Try dump_dir_name first if
7297 dump_base_name isn't an absolute path.
7298 (common_handle_option): Handle OPT_dumpdir.
7300 * toplev.c (dump_dir_name): New.
7301 (print_switch_values): Also ignore -dumpdir.
7303 * toplev.h (dump_dir_name): New.
7305 2010-01-03 Richard Guenther <rguenther@suse.de>
7307 PR tree-optimization/42589
7308 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7309 double-word expansion of bswap32.
7311 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7313 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7314 with BLOCK_FOR_INSN.
7315 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7316 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7317 noce_process_if_block): Likewise.
7318 * gcse.c (compute_local_properties, insert_expr_in_table,
7319 insert_set_in_table, canon_list_insert, find_avail_set,
7320 pre_insert_copy_insn): Likewise.
7322 * basic-block.h (BLOCK_NUM): Move from here...
7323 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7325 2010-01-03 Richard Guenther <rguenther@suse.de>
7327 PR tree-optimization/42438
7328 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7329 contains_may_not_return_call flag.
7330 (BB_MAY_NOTRETURN): New.
7331 (valid_in_sets): Trapping nary operations are not valid
7332 in blocks that may not return.
7333 (insert_into_preds_of_block): Remove check for trapping expressions.
7334 (compute_avail): Compute also BB_MAY_NOTRETURN.
7336 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7338 * doc/invoke.texi: Add 2010 to copyright years.
7340 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7342 * config/sparc/sparc.c: Fix formatting nits.
7344 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7345 Alexander Monakov <amonakov@ispras.ru>
7347 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7349 2010-01-02 Richard Guenther <rguenther@suse.de>
7352 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7353 (simplify_switch_using_ranges): Mark to be removed edges
7356 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7358 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7360 * collect2.c (scan_libraries): Add missing argument in call to
7363 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7366 * config/alpha/predicates.md (aligned_memory_operand): Return false
7368 (unaligned_memory_operand): Return true for CQImode.
7369 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7370 doesn not cross aligned SImode word boundary.
7372 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7374 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7376 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7377 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7379 2010-01-02 Richard Guenther <rguenther@suse.de>
7382 * toplev.c (compile_file): Emit LTO marker properly. Change
7384 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7386 2010-01-01 Richard Guenther <rguenther@suse.de>
7389 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7391 2010-01-01 Richard Guenther <rguenther@suse.de>
7394 * c-decl.c (grokdeclarator): For zero-size arrays force
7395 structural equality checks as layout_type does.
7397 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7399 * builtins.c: Update copyright to 2010.
7401 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7404 * lto-streamer-out.c (produce_asm): Revert the last change.
7405 (copy_function): Likewise.
7407 * lto-streamer.c (lto_get_section_name): Skip any leading
7410 2010-01-01 Richard Guenther <rguenther@suse.de>
7413 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7417 Copyright (C) 2010 Free Software Foundation, Inc.
7419 Copying and distribution of this file, with or without modification,
7420 are permitted in any medium without royalty provided the copyright
7421 notice and this notice are preserved.