1 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
4 * configure.ac (gcc_cv_as_section_has_align): Set if installed
5 binutils supports extended .section directive needed by LTO, or
6 warn if older binutils found.
7 (LTO_BINARY_READER): New AC_SUBST'd variable.
8 (LTO_USE_LIBELF): Likewise.
9 * gcc/config.gcc (lto_binary_reader): New target-specific configure
11 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
12 (LTO_USE_LIBELF): Likewise.
13 * configure: Regenerate.
15 * collect2.c (is_elf): Rename from this ...
16 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
17 object files in addition to ELF-formatted ones.
18 (scan_prog_file): Caller updated. Also allow for LTO info marker
19 symbol to be prefixed or not by an extra underscore.
21 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
22 * config/i386/winnt.c: Also #include lto-streamer.h
23 (i386_pe_asm_named_section): Specify 1-byte section alignment for
25 (i386_pe_asm_output_aligned_decl_common): Add comment.
26 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
28 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
31 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
32 Add missing earlyclobber for second alternative.
34 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
36 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
37 bits for artificial defs at the top of the block.
38 * fwprop.c (single_def_use_enter_block): Don't call it.
40 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
43 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
44 instead of "$gcc_cv_objdump -T".
45 Use "-undefined dynamic_lookup" on darwin.
46 * gcc/configure: Regenerate.
48 2010-04-26 Jakub Jelinek <jakub@redhat.com>
51 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
53 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
55 * c-parser.c (struct c_token): Move location field up.
56 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
57 (struct c_declspecs): Convert typespec_word, storage_class, and
58 default_int_p into bitfields.
59 (struct c_declarator): Move loc field up.
61 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
63 * cfgloop.h (struct loop): Move can_be_parallel field up.
64 * ipa-prop.h (struct ip_node_params): Move bitfields up.
65 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
67 (struct iv_cand): Convert pos field into a bitfield.
68 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
70 (struct _stmt_vec_info): Shuffle fields for better packing.
72 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
74 * varasm.c (IN_NAMED_SECTION): Remove guard.
75 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
76 (IN_NAMED_SECTION_P): ...this.
77 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
78 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
80 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
82 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
83 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
84 of shadowing it. Fix comments.
86 2010-04-26 Jan Hubicka <jh@suse.cz>
88 * cgraph.c (cgraph_create_node): Set node frequency to normal.
89 (cgraph_clone_node): Copy function frequency.
90 * cgraph.h (node_frequency): New enum
91 (struct cgraph_node): Add.
92 * final.c (rest_of_clean_state): Update.
93 * lto-cgraph.c (lto_output_node): Output node frequency.
94 (input_overwrite_node): Input node frequency.
95 * tre-ssa-loop-ivopts (computation_cost): Update.
96 * lto-streamer-out.c (output_function): Do not output function
98 * predict.c (maybe_hot_frequency_p): Update and handle functions
100 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
102 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
103 (compute_function_frequency): Set noreturn functions to be executed
105 (choose_function_section): Update.
106 * lto-streamer-in.c (input_function): Do not input function frequency.
107 * function.c (allocate_struct_function): Do not initialize function
109 * function.h (function_frequency): Remove.
110 (struct function): Remove function frequency.
111 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
112 (try_update): Update.
113 * tree-inline.c (initialize_cfun): Do not update function frequency.
114 * passes.c (pass_init_dump_file): Update.
115 * i386.c (ix86_compute_frame_layout): Update.
116 (ix86_pad_returns): Update.
118 2010-04-26 Jie Zhang <jie@codesourcery.com>
120 PR tree-optimization/43833
121 * tree-vrp.c (range_int_cst_p): New.
122 (range_int_cst_singleton_p): New.
123 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
124 when both operands are constants. Use range_int_cst_p in
127 2010-04-26 Jan Hubicka <jh@suse.cz>
129 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
131 2010-04-26 Richard Guenther <rguenther@suse.de>
134 * gimple.c (gimple_decl_printable_name): Deal gracefully
135 with a NULL DECL_NAME.
137 2010-04-26 Richard Guenther <rguenther@suse.de>
140 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
141 if emitting debug information and it is either a function
144 2010-04-26 Ira Rosen <irar@il.ibm.com>
146 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
147 determine if the statement is vectorizable, and a macro to
149 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
150 Skip statements that can't be vectorized. If the analysis
151 fails, mark the statement as unvectorizable if vectorizing
153 (vect_compute_data_refs_alignment): Likewise.
154 (vect_verify_datarefs_alignment): Skip statements marked as
155 unvectorizable. Add print.
156 (vect_analyze_group_access): Skip statements that can't be
157 vectorized. If the analysis fails, mark the statement as
158 unvectorizable if vectorizing basic block.
159 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
161 * tree-vect-stmts.c (vectorizable_store): Fix the number of
162 generated stmts for SLP.
163 (new_stmt_vec_info): Initialize the new field.
164 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
165 statements marked as unvectorizable.
167 2010-04-25 Joseph Myers <joseph@codesourcery.com>
169 * c-common.c (flag_isoc1x): New.
170 (flag_isoc99): Update comment.
171 * c-common.h (flag_isoc1x): New.
172 (flag_isoc99): Update comment.
173 * c-cppbuiltin.c (builtin_define_float_constants): Also define
174 __<type>_DECIMAL_DIG__.
175 * c-opts.c (set_std_c1x): New.
176 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
177 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
178 * c.opt (-std=c1x, -std=gnu1x): New options.
179 * doc/cpp.texi: Mention -std=c1x.
180 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
181 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
182 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
183 * doc/standards.texi: Mention C1X.
184 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
185 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
186 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
189 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
191 * config/i386/gmon-sol2.c (_mcleanup): Change format string
192 placeholder from 0x%x to %#x.
193 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
194 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
195 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
196 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
197 * config/i386/i386.c (ix86_target_string): Ditto.
198 (output_pic_addr_const): Ditto.
199 (print_operand): Ditto.
201 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
203 * combine.c (find_split_point): Add third argument. Use it
204 to find nested multiply-accumulate instructions. Adjust calls.
205 (try_combine): Adjust call to find_split_point.
207 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
209 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
211 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
213 PR tree-optimization/41442
214 * fold-const.c (merge_truthop_with_opposite_arm): New function.
215 (fold_binary_loc): Call it.
217 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
219 * toplev.c (general_init): Set default for fdiagnostics-show-option.
220 * opts.c (common_handle_option): Allow disabling it.
221 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
223 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
225 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
226 between modes if both types are integral.
228 2010-04-23 Richard Guenther <rguenther@suse.de>
230 PR tree-optimization/43572
231 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
233 2010-04-23 Richard Guenther <rguenther@suse.de>
236 * tree-inline.c (tree_can_inline_p): Also check compatibility
239 2010-04-23 Martin Jambor <mjambor@suse.cz>
241 PR tree-optimization/43846
242 * tree-sra.c (struct access): New flag grp_assignment_read.
243 (build_accesses_from_assign): Set grp_assignment_read.
244 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
245 (enum mark_read_status): New type.
246 (analyze_access_subtree): Propagate grp_assignment_read, create
247 accesses also if both direct_read and root->grp_assignment_read.
249 2010-04-23 Martin Jambor <mjambor@suse.cz>
252 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
253 function does not have type attributes.
255 2010-04-23 Richard Guenther <rguenther@suse.de>
258 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
261 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
263 * sese.h (create_if_region_on_edge): Remove.
265 * sese.c (create_if_region_on_edge): Make static.
267 * tree-inline.c: Do not include ggc.h.
269 * expr.c: Do not include ggc.h.
271 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
274 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
277 * config/sh/sh.c (find_barrier): Don't emit a constant pool
278 in the middle of insns for casesi_worker_2.
280 2010-04-22 David Edelsohn <edelsohn@gnu.org>
282 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
284 2010-04-22 Ira Rosen <irar@il.ibm.com>
286 PR tree-optimization/43842
287 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
288 loop unrolling in update of exit phis. Fix comment.
289 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
290 least two reduction statements in the loop before starting SLP
293 2010-04-22 Nick Clifton <nickc@redhat.com>
295 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
297 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
299 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
302 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
304 * tree-parloops.c (loop_parallel_p): New argument
305 parloop_obstack. Pass it down.
306 (parallelize_loops): New variable parloop_obstack. Initialize it,
307 pass it down, free it.
309 * tree-loop-linear.c (linear_transform_loops): Pass down
312 * tree-data-ref.h (lambda_compute_access_matrices): New argument
313 of type struct obstack *.
315 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
316 scratch_obstack. Initialize it, pass down, free it.
318 * lambda.h (lambda_loop_new): Remove.
319 (lambda_matrix_new, lambda_matrix_inverse)
320 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
321 argument of type struct obstack *.
323 * lambda-trans.c (lambda_trans_matrix_new): New argument
324 lambda_obstack. Pass it down, use obstack allocation for ret.
325 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
328 * lambda-mat.c (lambda_matrix_get_column)
329 (lambda_matrix_project_to_null): Remove.
330 (lambda_matrix_new): New argument lambda_obstack. Use obstack
332 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
335 * lambda-code.c (lambda_loop_new): New function.
336 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
337 (lambda_compute_auxillary_space, lambda_compute_target_space)
338 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
339 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
340 (build_access_matrix): New argument lambda_obstack. Use obstack
342 (lambda_compute_step_signs, lambda_compute_access_matrices): New
343 argument lambda_obstack. Pass it down.
345 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
347 * optabs.h (expand_widening_mult): Declare.
349 2010-04-22 Richard Guenther <rguenther@suse.de>
351 PR tree-optimization/43845
352 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
353 lookup the CALL_EXPR function and arguments.
355 2010-04-22 Nick Clifton <nickc@redhat.com>
357 * config/stormy16/stormy16.c
358 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
359 * config/stormy16/stormy16.h: Tidy up formatting.
360 (DONT_USE_BUILTIN_SETJMP): Remove definition.
361 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
362 (ineqbranchsi): Delete pattern.
363 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
364 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
365 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
366 stormy16-lib2-ucmpsi2.c.
368 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
370 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
371 df_simulate_find_noclobber_defs as appropriate. Keep track of an
372 extra set merge_set_noclobber, and use it to relax the final test
374 * df.h (df_simulate_find_noclobber_defs): Declare.
375 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
377 (df_simulate_find_noclobber_defs): New function.
379 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
381 * config/i386/i386.md: Use {} around multi-line preparation statements.
383 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
385 * c-tree.h (push_init_level, pop_init_level, set_init_index)
386 (process_init_element): New argument of type struct obstack *.
388 * c-typeck.c (push_init_level, pop_init_level, set_designator)
389 (set_init_index, set_init_label, set_nonincremental_init)
390 (set_nonincremental_init_from_string, find_init_member)
391 (output_init_element, output_pending_init_elements)
392 (process_init_element): New argument braced_init_obstack. Pass it
394 (push_range_stack, add_pending_init): New argument
395 braced_init_obstack. Use obstack allocation.
397 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
398 braced_init_obstack. Pass it down.
399 (c_parser_braced_init): New variables ret, braced_init_obstack.
400 Initialize obstack, pass it down and finally free it.
402 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
405 * tree-pass.h (pass_optimize_widening_mul): Declare.
406 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
407 gate_optimize_widening_mul): New static functions.
408 (pass_optimize_widening_mul): New.
409 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
410 <case MULT_EXPR>: Remove support for widening multiplies.
411 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
412 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
413 simplify_gen_unary rather than directly building extensions.
414 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
416 * expmed.c (expand_widening_mult): New function.
417 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
419 2010-04-21 Jan Hubicka <jh@suse.cz>
421 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
422 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
423 * lto-wpa-fixup.c: Remove.
424 * Makefile.in (lto-wpa-fixup.o): Remove.
425 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
426 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
427 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
429 2010-04-21 Jan Hubicka <jh@suse.cz>
431 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
432 add write_optimization_summary, read_optimization_summary.
433 (ipa_write_summaries_of_cgraph_node_set): Remove.
434 (ipa_write_optimization_summaries): Declare.
435 (ipa_read_optimization_summaries): Declare.
436 * ipa-cp.c (pass_ipa_cp): Update.
437 * ipa-reference.c (pass_ipa_reference): Update.
438 * ipa-pure-const.c (pass_ipa_pure_const): Update.
439 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
441 * ipa-inline.c (pass_ipa_inline): Update.
442 * ipa.c (pass_ipa_whole_program): Update.
443 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
444 * passes.c (ipa_write_summaries_1): Do not test wpa.
445 (ipa_write_optimization_summaries_1): New.
446 (ipa_write_optimization_summaries): New.
447 (ipa_read_summaries): Do not test ltrans.
448 (ipa_read_optimization_summaries_1): New.
449 (ipa_read_optimization_summaries): New.
451 2010-04-21 Jan Hubicka <jh@suse.cz>
453 * lto-cgraph.c (lto_output_node): Do not output comdat groups
455 (output_cgraph): Do not arrange comdat groups for boundary nodes.
457 2010-04-21 Jakub Jelinek <jakub@redhat.com>
460 * dwarf2out.c (add_name_and_src_coords_attributes): Add
461 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
463 2010-04-21 Jan Hubicka <jh@suse.cz>
465 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
467 2010-04-21 Jan Hubicka <jh@suse.cz>
469 * varpool.c (decide_is_variable_needed): Variable is always needed
472 2010-04-21 Jan Hubicka <jh@suse.cz>
474 * opts.c (decode_options): Enable pure-const pass for whopr.
476 2010-04-21 Jan Hubicka <jh@suse.cz>
478 * cgraph.c (dump_cgraph_node): Dump also assembler name.
479 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
481 (cgraph_decide_inlining): Do not expect callee to be removed in all
484 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
486 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
488 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
490 * config/i386/i386.md (x86_shrd): Add athlon_decode and
491 amdfam10_decode attributes.
493 2010-04-21 Jakub Jelinek <jakub@redhat.com>
496 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
497 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
498 (lower_copyprivate_clauses): Use private var in outer
499 context instead of original var. Make sure the types
500 are correct for VLAs.
502 2010-04-21 Richard Guenther <rguenther@suse.de>
504 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
505 to non-pointer objects.
507 2010-04-21 Jakub Jelinek <jakub@redhat.com>
509 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
510 last chain entry if it starts with the still current label.
511 (add_location_or_const_value_attribute): Check that
512 loc_list->first->next is NULL instead of comparing ->first with ->last.
513 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
514 to add_var_loc_to_decl.
516 * dwarf2out.c (output_call_frame_info): For dw_cie_version
517 >= 4 add also address size and segment size fields into CIE header.
519 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
520 long as address size is the same as sizeof (void *) and
522 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
523 address size or segment size is unexpected, return DW_EH_PE_omit.
524 (classify_object_over_fdes): If get_cie_encoding returned
525 DW_EH_PE_omit, return -1.
526 (init_object): If classify_object_over_fdes returned -1,
527 pretend there were no FDEs at all.
529 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
531 * config/i386/i386.md (bswap<mode>2): Macroize expander from
532 bswap{si,di}2 using SWI48 mode iterator.
533 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
534 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
535 set modrm attribute of bswap insn to 0 and remove length attribute.
536 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
537 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
538 set mode attribute to <MODE> and remove length attribute.
540 2010-04-20 James E. Wilson <wilson@codesourcery.com>
542 PR rtl-optimization/43520
543 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
544 zero available registers.
546 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
548 * builtins.c (fold_builtin_cproj): Fold more cases.
550 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
553 (fold_builtin_1): Fold builtin cproj.
554 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
555 Use ATTR_CONST_NOTHROW_LIST.
557 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
559 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
560 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
561 ffsi2_no_cmove for !TARGET_CMOVE.
562 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
563 (ffssi2): Remove expander.
564 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
566 (ctz<mode>2): Ditto from ctz{si,di}2.
567 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
569 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
572 2010-04-20 Jakub Jelinek <jakub@redhat.com>
574 * dwarf2out.c (AT_linkage_name): Define.
575 (clone_as_declaration): Handle DW_AT_linkage_name.
576 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
577 of DW_AT_MIPS_linkage_name.
578 (move_linkage_attr): Likewise.
579 (dwarf2out_finish): Likewise.
581 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
584 * fold-const.c (fold_comparison): New folding rule.
586 2010-04-20 Anatoly Sokolov <aesok@post.ru>
588 * double-int.h (double_int_setbit): Declare.
589 * double-int.c (double_int_setbit): New function.
590 * rtl.h (immed_double_int_const): Declare.
591 * emit-rtl.c (immed_double_int_const): New function.
592 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
593 and immed_double_int_const functions.
594 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
595 expand_copysign_bit): (Ditto.).
596 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
597 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
598 * dojump.c (prefer_and_bit_test): (Ditto.).
599 * expr.c (convert_modes, reduce_to_bit_field_precision,
600 const_vector_from_tree): (Ditto.).
601 * expmed.c (mask_rtx, lshift_value): (Ditto.).
603 2010-04-20 Jan Hubicka <jh@suse.cz>
605 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
606 (dump_cgraph_node): Dump new flags.
607 * cgraph.h (struct cgraph_node): Add flags
608 reachable_from_other_partition and in_other_partition.
609 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
610 other partition can not be removed.
611 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
612 the other partition must be output; silence sanity checking on
613 leaking functions bodies from other paritition.
614 * lto-cgraph.c (reachable_from_other_partition_p): New function.
615 (lto_output_node): Output new flags; do not sanity check that inline
616 clones are output; drop lto_forced_extern_inline_p code; do not mock
617 visibility flags at partition boundaries.
618 (add_node_to): New function.
619 (output_cgraph): Use it to sort functions so masters appear before
621 (input_overwrite_node): Input new flags.
622 * passes.c (ipa_write_summaries): Do not call
623 lto_new_extern_inline_states.
624 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
625 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
626 lto_forced_extern_inline_p): Kill.
627 * lto-streamer.h (lto_new_extern_inline_states,
628 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
629 lto_forced_extern_inline_p): Kill.
631 2010-04-20 Richard Guenther <rguenther@suse.de>
633 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
634 from vars that can have pointers.
635 (process_constraint): Dump useless constraints.
637 2010-04-20 Richard Guenther <rguenther@suse.de>
639 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
640 (dump_sa_points_to_info): Remove asserts.
641 (init_base_vars): nothing_id isn't an escape point nor does it
644 2010-04-20 Jakub Jelinek <jakub@redhat.com>
646 * tree.h (TYPE_REF_IS_RVALUE): Define.
647 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
648 should_move_die_to_comdat, prune_unused_types_walk): Handle
649 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
650 (modified_type_die, gen_reference_type_die): Emit
651 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
652 if TYPE_REF_IS_RVALUE and -gdwarf-4.
654 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
657 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
658 calls for -fpic -m31 if they have been sibcall optimized.
660 2010-04-19 James E. Wilson <wilson@codesourcery.com>
662 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
663 ar.lc fixed and call-used.
665 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
667 2010-04-19 Jan Hubicka <jh@suse.cz>
669 * opts.c (decode_options): Disable whpr incompatible passes.
670 * lto/lto.c (lto_1_to_1_map): Skip clones.
671 (read_cgraph_and_symbols): Do not mark everything as needed.
672 (do_whole_program_analysis): Do map only after optimizing;
673 set proper cgraph_state; use passmanager.
675 2010-04-19 DJ Delorie <dj@redhat.com>
677 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
678 POINTER_PLUS_EXPR and fix them.
680 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
682 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
683 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
684 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
685 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
686 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
687 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
688 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
689 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
690 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
691 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
692 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
694 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
696 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
697 (check_cond_move_block): Likewise.
698 (cond_move_process_if_block): Likewise.
699 (noce_find_if_block): Improve formatting.
700 (find_if_header): Pass 0 to memset and tweak conditions.
701 (cond_exec_find_if_block): Fix long lines and tweak conditions.
703 2010-04-19 Jakub Jelinek <jakub@redhat.com>
705 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
709 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
710 with non-local decl doesn't need chain.
712 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
714 * ira-color.c (allocno_reload_assign): Avoid accumulating
715 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
717 2010-04-19 Martin Jambor <mjambor@suse.cz>
719 * gimple.h (create_tmp_reg): Declare.
720 * gimplify.c (create_tmp_reg): New function.
721 (gimplify_return_expr): Use create_tmp_reg.
722 (gimplify_omp_atomic): Likewise.
723 (gimple_regimplify_operands): Likewise.
724 * tree-dfa.c (make_rename_temp): Likewise.
725 * tree-predcom.c (predcom_tmp_var): Likewise.
726 (reassociate_to_the_same_stmt): Likewise.
727 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
728 (get_replaced_param_substitute): Likewise.
729 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
730 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
731 * tree-ssa-pre.c (get_representative_for): Likewise.
732 (create_expression_by_pieces): Likewise.
733 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
734 (create_tailcall_accumulator): Likewise.
736 2010-04-19 Martin Jambor <mjambor@suse.cz>
738 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
740 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
742 2010-04-19 Richard Guenther <rguenther@suse.de>
744 PR tree-optimization/43796
745 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
746 from SCEV in the lattice.
747 (vrp_visit_phi_node): Dump change.
749 2010-04-19 Richard Guenther <rguenther@suse.de>
751 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
752 * configure: Re-generated.
754 2010-04-19 Richard Guenther <rguenther@suse.de>
756 PR tree-optimization/43783
757 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
758 constant ARRAY_REF operands two and three if possible.
760 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
763 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
765 2010-04-19 Jie Zhang <jie@codesourcery.com>
768 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
770 2010-04-19 Ira Rosen <irar@il.ibm.com>
772 PR tree-optimization/37027
773 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
774 and macro to access it.
775 (vectorizable_reduction): Add argument.
776 (vect_get_slp_defs): Likewise.
777 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
778 statements for possible use in SLP.
779 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
780 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
781 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
783 (vectorizable_reduction): Likewise.
784 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
786 (vectorizable_type_demotion, vectorizable_type_promotion,
787 vectorizable_store): Likewise.
788 (vect_analyze_stmt): Update call to vectorizable_reduction.
789 (vect_transform_stmt): Likewise.
790 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
791 (vect_build_slp_tree): Fix indentation. Check that there are no loads
792 from different interleaving chains in same node.
793 (vect_slp_rearrange_stmts): New function.
794 (vect_supported_load_permutation_p): Allow load permutations for
795 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
796 inside SLP nodes if necessary.
797 (vect_analyze_slp_instance): Handle reductions.
798 (vect_analyze_slp): Try to build SLP instances originating from groups
800 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
801 (vect_get_constant_vectors): Create initial vectors for reductions
802 according to reduction code. Add new argument.
803 (vect_get_slp_defs): Add new argument, pass it to
804 vect_get_constant_vectors.
805 (vect_schedule_slp_instance): Remove SLP tree root statements.
807 2010-04-19 Jakub Jelinek <jakub@redhat.com>
809 * tree.h (ENUM_IS_SCOPED): Define.
810 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
811 for ENUM_IS_SCOPED enums.
813 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
815 * fold-const.c (fold_comparison): Use ssizetype.
816 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
817 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
818 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
819 * tree-object-size.c (compute_object_sizes): Use size_type_node.
821 * tree.h (initialize_sizetypes): Remove parameter.
822 (build_common_tree_nodes): Remove second parameter.
823 * stor-layout.c (initialize_sizetypes): Remove parameter.
824 Always create an unsigned type.
825 (set_sizetype): Assert that the passed type is unsigned and simplify.
826 * tree.c (build_common_tree_nodes): Remove second parameter.
827 Adjust call to initialize_sizetypes.
828 * c-decl.c (c_init_decl_processing): Remove second argument in call to
829 build_common_tree_nodes.
831 2010-04-18 Matthias Klose <doko@ubuntu.com>
833 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
835 2010-04-18 Ira Rosen <irar@il.ibm.com>
837 PR tree-optimization/43771
838 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
839 load permutation doesn't have gaps.
841 2010-04-18 Jan Hubicka <jh@suse.cz>
843 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
844 (sse_prologue_save_insn expander): Use new pattern.
845 (sse_prologue_save_insn1): New pattern and splitter.
846 (sse_prologue_save_insn): Update to deal also with 64bit aligned
848 * i386.c (setup_incoming_varargs_64): Do not compute jump
850 (ix86_gimplify_va_arg): Update alignment needed.
851 (ix86_local_alignment): Do not align all local arrays to 128bit.
853 2010-04-17 Jan Hubicka <jh@suse.cz>
855 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
857 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
859 * arm.md (negdi2): Remove redundant code to force values into a
862 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
864 * arm/bpabi.S: Add EABI alignment attributes to objects.
865 * arm/bpabi-v6m.S: Likewise.
866 * arm/crti.asm: Likewise.
867 * arm/crtn.asm: Likewise.
868 * arm/lib1funcs.asm: Likewise.
869 * arm/libunwind.S: Likewise.
871 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
873 * arm-protos.h (tune_params): New structure.
874 * arm.c (current_tune): New variable.
875 (arm_constant_limit): Delete.
876 (struct processors): Add pointer to the tune parameters.
877 (arm_slowmul_tune): New tuning option.
878 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
879 (all_cores): Adjust to pick up the tuning model.
880 (arm_constant_limit): New function.
881 (arm_override_options): Select the appropriate tuning model. Delete
882 initialization of arm_const_limit.
883 (arm_split_constant): Use the new constant-limit model.
884 (arm_rtx_costs): Pick up the current tuning model.
885 * arm.md (is_strongarm, is_xscale): Delete.
886 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
887 for Xscale variant architectures.
888 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
890 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
892 * config/arm/arm.c (arm_gen_constant): Remove unused variable
894 (arm_rtx_costs_1): Remove unused variable extra_cost.
895 (arm_unwind_emit_set): Use variable offset.
896 (thumb1_output_casesi): Remove unused variable flags.
898 2010-04-16 Jeff Law <law@redhat.com>
900 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
901 needing assignment rather than doing a two-phase assignment. Remove
904 2010-04-16 Jakub Jelinek <jakub@redhat.com>
907 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
909 2010-04-16 Doug Kwan <dougkwan@google.com>
911 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
912 (next_operand_entry_id): New static variable.
913 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
914 (add_to_ops_vec): Assigned unique ID to operand entry.
915 (struct oecount_s): New field ID.
916 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
917 (undistribute_ops_list): Assign unique IDs to oecounts.
918 (init_reassoc): reset next_operand_entry_id.
920 2010-04-16 Doug Kwan <dougkwan@google.com>
922 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
923 missing left parenthesis.
925 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
927 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
928 *btdi_rex64 using SWI48 mode iterator.
929 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
930 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
931 *jcc_btdi_mask_rex64.
933 2010-04-16 Anatoly Sokolov <aesok@post.ru>
935 * double-int.h (tree_to_double_int): Convert to macro.
936 * double-int.c (tree_to_double_int): Remove.
938 2010-04-16 Jakub Jelinek <jakub@redhat.com>
941 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
942 with want_address 2 and in case a single element list might be
943 possible, call it again with want_address 0.
945 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
947 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
948 case 'W' print operands for HI mode.
949 * config/h8300/h8300.h (Y0, Y2) : New constraints.
950 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
951 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
952 * config/h8300/predicate.md (bit_register_indirect_operand): New.
954 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
956 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
957 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
958 #xx:3 and #xx:4 mode.
960 * config/h8300/h8300.md (inverted load with HImode dest): Add
963 * config/h8300/predicate.md (bit_operand): Allow immediate values that
964 satisfy 'U' constraint.
966 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
968 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
969 * configure: Regenerate.
970 * config.in: Regenerate.
971 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
974 2010-04-16 Richard Guenther <rguenther@suse.de>
976 * tree.h (struct tree_decl_minimal): Move pt_uid ...
977 (struct tree_decl_common): ... here.
978 (DECL_PT_UID): Adjust.
979 (SET_DECL_PT_UID): Likewise.
980 (DECL_PT_UID_SET_P): Likewise.
982 2010-04-16 Richard Guenther <rguenther@suse.de>
984 PR tree-optimization/43572
985 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
986 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
987 * tree-flow.h (is_call_clobbered): Remove.
988 * tree-flow-inline.h (is_call_clobbered): Likewise.
989 * tree-dfa.c (dump_variable): Do not dump call clobber state.
990 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
991 (execute_return_slot_opt): Adjust.
992 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
993 check for call clobbered vars here.
994 (find_tail_calls): Move tailcall verification to the
997 2010-04-16 Diego Novillo <dnovillo@google.com>
999 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1001 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1004 * config/arm/arm.md (cbranchqi4): New pattern.
1005 * config/arm/predicates.md (const0_operand,
1006 cbranchqi4_comparison_operator): New predicates.
1008 2010-04-16 Richard Guenther <rguenther@suse.de>
1010 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1011 (dump_gimple_stmt): Likewise.
1013 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1015 * recog.h (struct recog_data): New field is_operator.
1016 (struct insn_operand_data): New field is_operator.
1017 * recog.c (extract_insn): Set recog_data.is_operator.
1018 * genoutput.c (output_operand_data): Emit code to set the
1020 * reload.c (find_reloads): Use it rather than testing for an
1021 empty constraint string.
1024 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1025 If the previous insn is a cbranchsi4_insn with the same arguments,
1026 omit the compare instruction.
1028 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1029 register, inputs must be low registers and we need a low register
1030 scratch. Handle alternative 2 like alternative 3.
1032 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1034 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1035 don't call get_addr on both. If one expression is a VALUE and
1036 the other a REG, check VALUE's locs if the REG isn't among them.
1038 2010-04-16 Christian Bruel <christian.bruel@st.com>
1040 * config/sh/sh.h (sh_frame_pointer_required): New function.
1041 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1042 (flag_omit_frame_pointer) Set.
1043 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1044 (rounded_frame_size): Adjust size with outgoing_args_size.
1045 (sh_set_return_address): Must return from stack pointer.
1046 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1047 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1048 (ACCUMULATE_OUTGOING_ARGS): Define.
1049 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1050 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1052 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1055 * config/sh/sh.c (sh_legitimize_reload_address): Use
1056 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1057 Remove a unneeded check for offset_base.
1059 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1061 * configure: Regenerated.
1063 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1065 * config/s390/s390.c (s390_call_save_register_used): Switch back
1066 to HARD_REGNO_NREGS.
1068 2010-04-15 Richard Guenther <rguenther@suse.de>
1070 * alias.c (alias_set_subset_of): Handle alias-set zero
1073 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1074 Julian Brown <julian@codesourcery.com>
1076 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1077 alternatives according to use of high and low regs.
1078 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1079 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1080 optimizing for size on Thumb-2.
1082 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1084 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1086 2010-04-15 Richard Guenther <rguenther@suse.de>
1088 * tree-ssa-structalias.c (struct variable_info): Add
1090 (new_var_info): Initialize it.
1091 (dump_constraints): Support printing last added constraints.
1092 (debug_constraints): Adjust.
1093 (dump_constraint_graph): Likewise.
1094 (make_heapvar_for): Check for NULL cfun.
1095 (get_function_part_constraint): New function.
1096 (get_fi_for_callee): Likewise.
1097 (find_func_aliases): Properly implement IPA PTA constraints.
1098 (process_ipa_clobber): New function.
1099 (find_func_clobbers): Likewise.
1100 (insert_into_field_list_sorted): Remove.
1101 (create_function_info_for): Properly allocate vars for IPA mode.
1102 Do not use insert_into_field_list_sorted.
1103 (create_variable_info_for): Properly generate constraints for
1104 global vars in IPA mode.
1105 (dump_solution_for_var): Always dump the solution.
1106 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1107 (find_what_var_points_to): Adjust.
1108 (pt_solution_set): Change.
1109 (pt_solution_ior_into): New function.
1110 (pt_solution_empty_p): Export.
1111 (pt_solution_includes_global): Adjust.
1112 (pt_solution_includes_1): Likewise.
1113 (pt_solutions_intersect_1): Likewise.
1114 (dump_sa_points_to_info): Check some invariants.
1115 (solve_constraints): Move constraint dumping ...
1116 (compute_points_to_sets): ... here.
1117 (ipa_pta_execute): ... and here.
1118 (compute_may_aliases): Do not re-compute points-to info
1119 locally if IPA info is available.
1120 (ipa_escaped_pt): New global var.
1121 (ipa_pta_execute): Properly implement IPA PTA.
1122 * tree-into-ssa.c (dump_decl_set): Support dumping
1123 decls not in referenced-vars.
1124 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1125 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1126 (dump_points_to_solution): Likewise.
1127 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1128 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1129 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1130 (copy_decl_to_var): Copy DECL_PT_UID.
1131 (copy_result_decl_to_var): Likewise.
1132 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1133 (copy_node_stat): Copy it.
1134 * tree.h (DECL_PT_UID): New macro.
1135 (SET_DECL_PT_UID): Likewise.
1136 (DECL_PT_UID_SET_P): Likewise.
1137 (struct tree_decl_minimal): Add pt_uid member.
1138 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1139 (pt_solution_empty_p): Declare.
1140 (pt_solution_set): Adjust.
1141 (ipa_escaped_pt): Declare.
1142 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1143 * gimple-pretty-print.c (pp_points_to_solution): New function.
1144 (dump_gimple_call): Dump call clobber/use information.
1145 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1146 * tree-pass.h (TDF_ALIAS): New dump option.
1147 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1148 * doc/invoke.texi (-fipa-pta): Update documentation.
1150 2010-04-15 Richard Guenther <rguenther@suse.de>
1152 * Makefile.in (OBJS-common): Add gimple-fold.o.
1153 (gimple-fold.o): New rule.
1154 * tree.h (maybe_fold_offset_to_reference,
1155 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1157 * gimple.h: ... here.
1158 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1159 may_propagate_address_into_dereference): Move prototypes ...
1160 * gimple.h: ... here.
1161 * tree-ssa-ccp.c (get_symbol_constant_value,
1162 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1163 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1164 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1165 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1166 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1167 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1168 gimplify_and_update_call_from_tree): Move ...
1169 * gimple-fold.c: ... here. New file.
1170 (ccp_fold_builtin): Rename to ...
1171 (gimple_fold_builtin): ... this.
1172 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1174 2010-04-15 Richard Guenther <rguenther@suse.de>
1176 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1177 fit_double_type, force_fit_type_double, add_double_with_sign,
1178 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1179 lrotate_double, rrotate_double, div_and_round_double): Move ...
1180 * double-int.c: ... here.
1181 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1182 add_double, neg_double, mul_double_with_sign, mul_double,
1183 lshift_double, rshift_double, lrotate_double, rrotate_double,
1184 div_and_round_double): Move prototypes ...
1185 * double-int.h: ... here.
1187 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1190 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1191 matching constraints to ensure inputs match the output.
1193 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1196 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1197 in an input-only operand.
1199 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1201 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1202 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1203 (double_int_negative_p): Convert to static inline function.
1204 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1205 (double_int_negative_p): Remove.
1206 * tree.h (lshift_double, rshift_double):
1207 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1208 * fold-const.c (fold_convert_const_int_from_real,
1209 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1210 (lshift_double): Change type of arith argument to bool.
1211 (rshift_double): Change type of arith argument to bool. Correct
1213 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1215 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1218 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1219 at the start and end of the then/else blocks, and omit them from the
1221 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1222 argument; all callers changed. Pass zero to old_insns_match_p instead.
1223 (flow_find_head_matching_sequence): New function.
1224 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1225 * basic-block.h (flow_find_cross_jump,
1226 flow_find_head_matching_sequence): Declare functions.
1228 2010-04-14 Jason Merrill <jason@redhat.com>
1231 * c-common.c (attribute_takes_identifier_p): New fn.
1232 * c-common.h: Declare it.
1234 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1236 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1238 (*udivmod<mode>4): Ditto.
1240 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1242 * config/i386/i386.md (maxmin_int): Rename code attribute from
1243 maxminiprefix and update all users.
1244 (maxmin_float): Ditto from maxminfprefix.
1245 (logic): Ditto from logicprefix.
1246 (absneg_mnemonic): Ditto from absnegprefix.
1247 * config/i386/mmx.md: Update all users of maxminiprefix,
1248 maxminfprefix and logicprefix for rename.
1249 * config/i386/sse.md: Ditto.
1250 * config/i386/sync.md (sync_<code><mode>): Update for
1253 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1256 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1257 warnings converted to errors.
1259 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1261 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1262 used insn_type variable.
1263 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1264 to avoid set-but-not-used warning.
1266 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1268 * df-core.c (df_ref_debug): Change format string placeholder
1270 * dwarf2asm.c (dw2_asm_output_data_raw,
1271 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1272 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1273 * dwarf2out.c (output_cfi, output_cfi_directive,
1274 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1275 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1277 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1278 * print-rtl.c (print_rtx): Ditto.
1280 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1283 * builtins.c (expand_builtin_pow_root): New function to expand pow
1284 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1285 series of sqrt and cbrt calls under -ffast-math.
1286 (expand_builtin_pow): Call it.
1288 2010-04-14 Michael Matz <matz@suse.de>
1290 PR tree-optimization/42963
1291 * tree-cfg.c (touched_switch_bbs): New static variable.
1292 (group_case_labels_stmt): New function broken out from ...
1293 (group_case_labels): ... here, use the above.
1294 (start_recording_case_labels): Allocate touched_switch_bbs.
1295 (end_recording_case_labels): Deallocate it, call
1296 group_case_labels_stmt.
1297 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1299 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1301 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1304 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1306 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1308 2010-04-13 Jan Hubicka <jh@suse.cz>
1310 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1311 of optimized out static functions.
1312 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1313 cost computation. Also sanity check for overflows.
1314 (update_caller_keys): Update cgraph_edge_badness call; properly
1315 update fibheap and sanity check that it is up to date.
1316 (add_new_edges_to_heap): Update cgraph_edge_badness.
1317 (cgraph_decide_inlining_of_small_function): Likewise;
1318 add sanity checking that badness in heap is up to date;
1319 improve dumping of reason; Update badness of calls to the
1320 offline copy of function currently inlined; dump badness
1321 of functions not inlined because of unit growth limits.
1323 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1326 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1327 because of sign-extension change when converting to sizetype here...
1328 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1330 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1331 the folding to constants. Remove redundant final conversion.
1332 (fold_binary) <associate>: Do not associate if the re-association of
1333 constants alone overflows.
1334 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1335 to the end of the list.
1336 (multiple_of_p) <COND_EXPR>: New case.
1338 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1340 * opt-functions.awk (opt_sanitized_name): New.
1342 * optc-gen.awk: Use it
1343 * opth-gen.awk: Use it.
1345 2010-04-13 Martin Jambor <mjambor@suse.cz>
1347 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1348 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1349 children. Call replace_uses_with_default_def_ssa_name to handle
1352 2010-04-13 Michael Matz <matz@suse.de>
1355 * builtins.c (expand_builtin_interclass_mathfn): Also create
1356 a register if the predicate doesn't match.
1358 2010-04-13 Diego Novillo <dnovillo@google.com>
1360 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1361 * c-pch.c: Include timevar.h.
1362 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1363 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1364 * ggc-common.c: Include timevar.h.
1365 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1366 * timevar.def (TV_PCH_SAVE): Define.
1367 (TV_PCH_CPP_SAVE): Define.
1368 (TV_PCH_PTR_REALLOC): Define.
1369 (TV_PCH_PTR_SORT): Define.
1370 (TV_PCH_RESTORE): Define.
1371 (TV_PCH_CPP_RESTORE): Define.
1373 2010-04-13 Michael Matz <matz@suse.de>
1375 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1377 (can_reassociate_p): New function.
1378 (break_up_subtract_bb, reassociate_bb): Use it.
1380 2010-04-13 Richard Guenther <rguenther@suse.de>
1383 * builtins.c (c_readstr): Fix assert.
1385 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1387 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1388 when generating cltd insn.
1390 (*ashl<mode>3_1): Remove special handling for register operand 2.
1391 (*ashlsi3_1_zext): Ditto.
1392 (*ashlhi3_1): Ditto.
1393 (*ashlhi3_1_lea): Ditto.
1394 (*ashlqi3_1): Ditto.
1395 (*ashlqi3_1_lea): Ditto.
1396 (*<shiftrt_insn><mode>3_1): Ditto.
1397 (*<shiftrt_insn>si3_1_zext): Ditto.
1398 (*<shiftrt_insn>qi3_1_slp): Ditto.
1399 (*<rotate_insn><mode>3_1): Ditto.
1400 (*<rotate_insn>si3_1_zext): Ditto.
1401 (*<rotate_insn>qi3_1_slp): Ditto.
1403 2010-04-13 Richard Guenther <rguenther@suse.de>
1405 * tree-ssa-structalias.c (callused_id): Remove.
1406 (call_stmt_vars): New.
1407 (get_call_vi): Likewise.
1408 (lookup_call_use_vi): Likewise.
1409 (lookup_call_clobber_vi): Likewise.
1410 (get_call_use_vi): Likewise.
1411 (get_call_clobber_vi): Likewise.
1412 (make_transitive_closure_constraints): Likewise.
1413 (handle_const_call): Adjust to do per-call call-used handling.
1414 (handle_pure_call): Likewise.
1415 (find_what_var_points_to): Remove general callused handling.
1416 (init_base_vars): Likewise.
1417 (init_alias_vars): Initialize call_stmt_vars.
1418 (compute_points_to_sets): Process call-used and call-clobbered
1419 vars for call statements.
1420 (delete_points_to_sets): Free call_stmt_vars.
1422 2010-04-13 Richard Guenther <rguenther@suse.de>
1424 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1425 Only add RW dependence for dependence distance zero.
1426 Adjust maximal vectorization factor according to dependences.
1427 Move alignment handling ...
1428 (vect_find_same_alignment_drs): ... here. New function.
1429 (vect_analyze_data_ref_dependences): Adjust.
1430 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1431 (vect_analyze_data_refs): Adjust minimal vectorization factor
1432 according to data references.
1433 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1434 dependences before determining the vectorization factor.
1435 Analyze alignment after determining the vectorization factor.
1436 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1437 dependences before alignment.
1438 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1440 (vect_analyze_data_refs): Likewise.
1441 (MAX_VECTORIZATION_FACTOR): New define.
1443 2010-04-13 Duncan Sands <baldrick@free.fr>
1445 * except.h (lang_eh_type_covers): Remove.
1446 * except.c (lang_eh_type_covers): Likewise.
1448 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1449 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1451 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1452 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1453 UNITS_PER_LONG where it is ABI relevant.
1454 (s390_return_addr_rtx): Likewise.
1455 (s390_back_chain_rtx): Likewise.
1456 (s390_frame_area): Likewise.
1457 (s390_frame_info): Likewise.
1458 (s390_initial_elimination_offset): Likewise.
1459 (save_gprs): Likewise.
1460 (s390_emit_prologue): Likewise.
1461 (s390_emit_epilogue): Likewise.
1462 (s390_function_arg_advance): Likewise.
1463 (s390_function_arg): Likewise.
1464 (s390_va_start): Likewise.
1465 (s390_gimplify_va_arg): Likewise.
1466 (s390_function_profiler): Likewise.
1467 (s390_optimize_prologue): Likewise.
1468 (s390_rtx_costs): Likewise.
1469 (s390_secondary_reload): Likewise.
1470 (s390_promote_function_mode): Likewise.
1471 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1472 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1473 registers available.
1474 (s390_unwind_word_mode): New function.
1475 (s390_function_value): Split 64 bit values into register pair if
1476 used as return value.
1477 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1478 function call parameters. Handle parallels.
1479 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1480 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1481 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1482 (s390_expand_setmem): Remove unused variable src_addr.
1483 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1484 deal with 64 bit registers.
1485 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1486 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1487 (UNITS_PER_LONG): New macro.
1488 * libjava/include/s390-signal.h: Define extended ucontext
1489 structure containing the upper halfs of the 64 bit registers.
1491 2010-04-13 Simon Baldwin <simonb@google.com>
1493 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1495 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1497 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1498 rvalue on the RHS if the LHS is of a non-renamable type.
1499 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1501 2010-04-13 Matthias Klose <doko@ubuntu.com>
1503 * gcc.c (cc1_options): Handle -iplugindir before processing
1504 the cc1 spec. Only add -iplugindir once.
1505 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1507 * common.opt (iplugindir): Remove `Separate' property, initialize.
1508 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1510 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1511 (distclean): Remove plugin dir.
1512 * doc/invoke.texi: Document -iplugindir.
1514 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1516 * doc/plugins.texi (Loading Plugins): Document short
1517 -fplugin=foo option.
1518 (Plugin API): Mention default_plugin_dir_name function.
1520 * gcc.c (find_file_spec_function): Add new declaration.
1521 (static_spec_func): Use it for "find-file".
1522 (find_file_spec_function): Add new function.
1523 (cc1_options): Add -iplugindir option if -fplugin* options found.
1525 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1527 * plugin.c (add_new_plugin): Updated comment, and handle short
1529 (default_plugin_dir_name): Added new function.
1531 * common.opt (iplugindir): New option to set the plugin directory.
1533 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1535 * config/i386/i386.md (any_rotate): New code iterator.
1536 (rotate_insn): New code attribute.
1538 (SWIM124): New mode iterator.
1539 (<rotate_insn>ti3): New expander.
1540 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1541 any_rotate code iterator.
1542 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1543 using any_rotate code iterator and SWIM124 mode iterator.
1544 (ix86_rotlti3): New insn_and_split pattern.
1545 (ix86_rotrti3): Ditto.
1546 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1547 ix86_rotl{di,ti}3 patterns.
1548 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1549 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1550 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1551 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1552 code iterator and SWI mode iterator.
1553 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1554 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1556 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1557 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1558 (bswap rotatert splitter): Add splitter.
1559 (bswap splitter): Macroize splitter using any_rotate code iterator.
1560 Add insn predicate to split only for TARGET_USE_XCHGB or when
1561 optimizing function for size.
1563 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1565 * config/pa/pa.c (emit_move_sequence): Remove use of
1566 deleted variable flag_argument_noalias.
1568 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1570 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1572 Add to unsupported targets list.
1573 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1574 sparc*-sun-solaris2.[567]* from target lists.
1575 * configure: Regenerate.
1576 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1578 Remove Solaris 7 patch references.
1579 (Specific, sparc-sun-solaris2.7): Removed.
1580 (sparc-sun-solaris2*): Update Solaris 7 example.
1581 (sparc64-*-solaris2*): Likewise.
1583 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1585 * config.build (alpha*-dec-osf4*): Remove.
1586 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1587 of obsolete configurations.
1588 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1590 * config/alpha/t-osf4: Renamed to ...
1591 * config/alpha/t-osf5: ... this.
1592 * config/alpha/osf.h: Renamed to ...
1593 * config/alpha/osf5.h: ... this.
1594 Merged old osf5.h contents.
1596 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1597 (EXTRA_SPECS): Removed.
1598 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1599 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1602 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1604 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1606 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1609 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1610 __thiscall convention.
1612 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1614 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1616 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1618 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1620 * function.c (assign_parms_initialize_all): Add unused attribute
1623 2010-04-12 Richard Guenther <rguenther@suse.de>
1625 * gsstruct.def (GSS_CALL): New.
1626 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1627 * gimple.h: Include tree-ssa-alias.h.
1628 (struct gimple_statement_call): New.
1629 (union gimple_statement_struct_d): Add gimple_call member.
1630 (gimple_call_reset_alias_info): Declare.
1631 (gimple_call_use_set): New function.
1632 (gimple_call_clobber_set): Likewise.
1633 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1634 * gimple.c (gimple_call_reset_alias_info): New function.
1635 (gimple_build_call_1): Call it.
1636 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1637 * tree-inline.c (remap_gimple_stmt): Likewise.
1638 (expand_call_inline): Remove callused handling.
1639 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1640 * tree-dfa.c (dump_variable): Likewise.
1641 * tree-parloops.c (parallelize_loops): Likewise.
1642 * tree-ssa.c (init_tree_ssa): Likewise.
1643 (delete_tree_ssa): Likewise.
1644 * tree-flow-inline.h (is_call_used): Remove.
1645 * tree-flow.h (struct gimple_df): Remove callused member.
1646 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1647 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1648 (ref_maybe_used_by_call_p_1): Simplify.
1649 (call_may_clobber_ref_p_1): Likewise.
1650 * tree-ssa-structalias.c (compute_points_to_sets): Set
1651 the call stmt used and clobbered sets.
1652 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1653 (find_tail_calls): Verify the tail call.
1655 2010-04-12 Richard Guenther <rguenther@suse.de>
1657 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1658 single-iteration always-inline inlining.
1659 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1660 (cgraph_decide_inlining): Do not handle always-inline specially.
1661 (try_inline): Remove always-inline cycle detection special case.
1662 Do not recurse on always-inlines.
1663 (cgraph_early_inlining): Do not iterate if not optimizing.
1664 (cgraph_gate_early_inlining): remove.
1665 (pass_early_inline): Run unconditionally.
1666 (gate_cgraph_decide_inlining): New function.
1667 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1668 not inlining or optimizing.
1669 (cgraph_decide_inlining_of_small_functions): Also consider
1670 always-inline functions.
1671 (cgraph_default_inline_p): Return true for nodes which should
1672 disregard inline limits.
1673 (estimate_function_body_sizes): Assume zero size and time for
1674 nodes which are marked as disregarding inline limits.
1675 (cgraph_decide_recursive_inlining): Do not perform recursive
1676 inlining on always-inline nodes.
1678 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1681 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1682 for exprs satisfying handled_component_p.
1684 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1686 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1687 non-constant aggregate elements.
1689 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1690 is a real initialization.
1692 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1695 * c-decl.c (start_function): Move forward check for nested function.
1697 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1699 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1700 * config/sh/sh.c: Include reload.h.
1701 (sh_legitimize_reload_address): New.
1702 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1703 sh_legitimize_reload_address.
1705 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1707 * config/sh/sh.md (*movqi_pop): New insn pattern.
1708 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1710 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1712 * config/i386/i386.md (any_shiftrt): New code iterator.
1713 (shiftrt_insn): New code attribute.
1715 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1716 using any_shiftrt code iterator.
1717 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1718 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1719 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1720 pattern from corresponding peephole2 patterns.
1721 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1722 using any_shiftrt code iterator.
1723 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1724 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1725 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1726 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1727 *{ashr,lshr}<mode>3_cmp_zext.
1728 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1730 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1732 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1734 (*lshr<mode>3_cconly): Ditto.
1736 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1738 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1739 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1740 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1741 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1743 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1744 from corresponding peephole2 patterns.
1745 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1746 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1747 and *lshrdi3_1_rex64 using SWI mode iterator.
1748 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1749 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1750 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1751 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1752 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1753 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1754 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1755 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1756 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1759 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1761 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1762 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1763 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1764 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1766 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1767 from corresponding peephole2 patterns.
1768 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1769 (ashrsi3_cvt): Rename from ashrsi3_31.
1770 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1771 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1772 and x86_64_shift_adj_3 using SWI48 mode iterator.
1773 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1774 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1775 and *ashrdi3_1_rex64 using SWI mode iterator.
1776 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1777 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1778 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1779 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1780 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1781 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1782 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1783 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1784 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1786 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1787 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1788 x86_shift<mode>_adj_3 expanders.
1790 2010-04-10 Wei Guozhi <carrot@google.com>
1793 * config/arm/arm.c (arm_pic_static_addr): New function.
1794 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1796 (arm_output_addr_const_extra): Output expression for new pattern.
1797 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1799 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1801 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1804 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1805 * web.c: Include "insn-config.h" and "recog.h".
1806 (union_match_dups): New function.
1807 (web_main): Call it.
1808 (union_defs): Don't try to recognize match_dups.
1810 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1811 if doing so would replace the entire pattern.
1813 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1817 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1818 and splitter pattern. Change splitter operand 1 predicate to
1821 2010-04-09 Martin Jambor <mjambor@suse.cz>
1823 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1824 lattices are addresses of CONST_DECLs with the same initial value.
1825 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1826 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1828 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1829 Bernd Schmidt <bernds@codesourcery.com>
1831 * loop-invariant.c (replace_uses): New static function.
1832 (move_invariant_reg): Use it to ensure we can replace the uses.
1834 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1836 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1838 (picochip_override_options): Enable section anchors only above -O1.
1839 (picochip_reorg): Fixed a couple of build warnings.
1841 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1843 * configure.ac (plugin -rdynamic test): Log result.
1844 * configure: Regenerate.
1845 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1846 (RDYNAMIC_SPEC): Define.
1847 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1849 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1851 * configure.ac: Determine Sun ld version numbers.
1852 (comdat_group): Restrict GNU ld version checks to gld.
1853 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1854 (enable_comdat): Support --enable-comdat.
1855 * configure: Regenerate.
1856 * doc/install.texi (Configuration): Document --enable-comdat.
1858 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1860 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1861 * config/sol2-gld.h: ... here.
1862 * config.gcc (sparc*-*-solaris2*): Reflect this.
1863 (i[34567]86-*-solaris2*): Use it.
1865 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1867 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1869 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1871 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1874 * diagnostic.c (diagnostic_initialize): Initialize
1875 some_warnings_are_errors.
1876 (diagnostic_finish): New.
1877 (diagnostic_action_after_output): Call it before exiting.
1878 (diagnostic_report_diagnostic): Do not print message here. Set
1879 some_warnings_are_errors.
1880 * diagnostic.h (diagnostic_context): Delete
1881 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1882 (diagnostic_finish): Declare.
1883 * toplev.c (toplev_main): Call it before exit.
1885 2010-04-09 Jason Merrill <jason@redhat.com>
1888 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1889 for incomplete type.
1892 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1893 based on a warning flag.
1895 2010-04-09 Richard Guenther <rguenther@suse.de>
1897 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1899 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1902 * varasm.c (default_assemble_visibility): Wrap vars that are
1903 set, but unused, by targets without GAS.
1904 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1905 Remove set, but unused, vars.
1906 (rs6000_legitimize_tls_address): Likewise.
1907 (altivec_expand_dst_builtin): Likewise.
1908 * config/darwin.c (machopic_classify_symbol): Likewise.
1909 (machopic_indirection_name): Likewise.
1911 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1913 * config/i386/i386.md (DWI): New mode iterator.
1914 (S): New mode attribute.
1915 (shift_operand): Ditto.
1916 (shift_immediate_operand): Ditto.
1917 (ashl_input_operand): Ditto.
1918 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1919 using SDWIM mode iterator.
1920 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1921 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1923 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1924 from corresponding peephole2 patterns.
1925 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1926 and x86_64_shift_adj_1 using SWI48 mode iterator.
1927 (x86_shift<mode>_adj_2): Ditto.
1928 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1929 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1930 using SWI48 mode iterator.
1931 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1932 *ashldi3_cmp_rex64 using SWI mode iterator.
1933 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1934 *ashldi3_cconly_rex64 using SWI mode iterator.
1935 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1936 x86_shift<mode>_adj_{1,2}.
1937 (ix86_split_ashr): Ditto.
1938 (ix86_split_lshr): Ditto.
1940 2010-04-09 Richard Guenther <rguenther@suse.de>
1942 * target.h (builtin_conversion): Pass in input and output types.
1943 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1944 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1945 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1946 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1948 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1950 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1952 2010-04-09 Richard Guenther <rguenther@suse.de>
1955 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1957 2010-04-09 Richard Guenther <rguenther@suse.de>
1959 * tree-vectorizer.h (struct _stmt_vec_info): Document
1960 that vectype is the type of the LHS.
1961 (supportable_widening_operation, supportable_narrowing_operation):
1962 Get both input and output vector types as arguments.
1963 (vect_is_simple_use_1): Declare.
1964 (get_same_sized_vectype): Likewise.
1965 * tree-vect-loop.c (vect_determine_vectorization_factor):
1966 Set STMT_VINFO_VECTYPE to the vector type of the def.
1967 (vectorizable_reduction): Adjust.
1968 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1969 Adjust. Specify the output vector type.
1970 (vect_pattern_recog_1): Adjust.
1971 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1972 (vectorizable_call): Adjust.
1973 (vectorizable_conversion): Likewise.
1974 (vectorizable_operation): Likewise.
1975 (vectorizable_type_demotion): Likewise.
1976 (vectorizable_type_promotion): Likewise.
1977 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1979 (vect_is_simple_use_1): New function.
1980 (supportable_widening_operation): Get both input and output
1982 (supportable_narrowing_operation): Likewise.
1983 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1985 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1987 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1988 __thiscall and _thiscall as predefined macros.
1989 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1990 thiscall attribute handling.
1991 (ix86_comp_type_attributes): Likewise.
1992 (ix86_function_regparm): Likewise.
1993 (ix86_return_pops_args): Likewise.
1994 (init_cumulative_args): Likewise.
1995 (find_drap_reg): Likewise.
1996 (ix86_static_chain): Likewise.
1997 (x86_this_parameter): Likewise.
1998 (x86_output_mi_thunk): Likewise.
1999 (ix86_attribute_table): Add description for thiscall attribute.
2000 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2001 * doc/extend.texi: Add documentation for thiscall.
2003 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2006 * c.opt (Wint-to-pointer-cast): Available in C++.
2007 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2009 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2011 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2012 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2013 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2014 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2015 function type instead. Reorder and simplify checks.
2017 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2019 2010-04-08 Jing Yu <jingyu@google.com>
2020 Zdenek Dvorak <ook@ucw.cz>
2022 PR tree-optimization/42720
2023 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2024 loop unswitch conditions here from ...
2025 (tree_unswitch_single_loop): ... here.
2027 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2029 * tree-if-conv.c: Fix comments and simplify logic.
2031 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2033 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2034 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2035 (main_tree_if_conversion): Update call to tree_if_conversion.
2037 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2040 * doc/invoke.texi (-b,-V): Delete.
2041 * doc/tm.texi: Do not mention -b.
2042 * gcc.c (display_help): Delete -b and -V.
2043 (process_command): Delete -b and -V.
2044 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2046 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2047 Wolfgang Gellerich <gellerich@de.ibm.com>
2049 Implement target hook for loop unrolling
2050 * target.h (loop_unroll_adjust): Add a new target hook function.
2051 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2052 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2053 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2054 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2055 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2057 (decide_unroll_stupid): Likewise.
2059 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2062 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2064 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2066 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2067 (Specific, *-*-solaris2*): Likewise.
2068 Don't prefer Sun as over GNU as.
2070 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2072 * config/s390/s390.c (override_options): Adjust the z10
2073 defaults for max-unroll-times, max-completely-peeled-insns
2074 and max-completely-peel-times.
2076 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2078 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2079 instructions for z10.
2080 (s390_expand_setmem): Likewise.
2081 (s390_expand_cmpmem): Likewise.
2083 2010-04-08 Richard Guenther <rguenther@suse.de>
2085 PR tree-optimization/43679
2086 * tree-ssa-pre.c (eliminate): Only propagate copies.
2088 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2091 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2092 set but not used variable warning.
2094 2010-04-08 Wei Guozhi <carrot@google.com>
2097 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2098 (arm_size_rtx_costs): Call the new function when optimized for size.
2100 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2103 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2104 op0 is not a MEM, just return NULL instead of assertion
2106 (discover_nonconstant_array_refs): Don't walk debug stmts.
2108 2010-04-08 Doug Kwan <dougkwan@google.com>
2110 * configure.ac: Recognize gold and do not use its version number
2111 to test ld features.
2112 * configure: Regenerate.
2114 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2117 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2118 (negate_value): Move code to push elements to broken_up_substracts ...
2119 (eliminate_plus_minus_pair): ... here. Push operands that have no
2120 negative pair to plus_negates.
2121 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2123 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2125 * doc/install.texi (Configuration): Move description of
2126 --enable-lto, --with-libelf*, --enable-gold from Java section to
2129 * doc/generic.texi (Working with declarations)
2130 (Function Properties, C and C++ Trees): Fix typos.
2131 * doc/sourcebuild.texi (Top Level): Likewise.
2133 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2136 * tree.h (DECL_READ_P): Define.
2137 (struct tree_decl_common): Add decl_read_flag.
2138 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2139 a set but not used warning.
2140 (merge_decls): Merge DECL_READ_P flag.
2141 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2142 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2143 * c-common.c (handle_used_attribute, handle_unused_attribute):
2145 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2147 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2149 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2150 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2151 c_parser_binary_expression, c_parser_cast_expression,
2152 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2153 Call default_function_array_read_conversion instead of
2154 default_function_array_conversion where needed.
2155 (c_parser_unary_expression, c_parser_conditional_expression,
2156 c_parser_postfix_expression_after_primary, c_parser_initelt):
2157 Likewise. Call mark_exp_read where needed.
2158 (c_parser_statement_after_labels, c_parser_asm_operands,
2159 c_parser_typeof_specifier, c_parser_sizeof_expression,
2160 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2162 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2164 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2165 (warn_unused_but_set_parameter): Default to warn_unused
2167 * doc/invoke.texi: Document -Wunused-but-set-variable and
2168 -Wunused-but-set-parameter.
2170 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2171 used count variable.
2172 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2173 when operandN variables aren't used in the body of the expander
2175 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2176 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2177 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2178 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2179 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2180 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2181 * tree.c (PROCESS_ARG): Likewise.
2183 2010-04-07 Simon Baldwin <simonb@google.com>
2185 * diagnostic.h (diagnostic_override_option_index): New macro to
2186 set a diagnostic's option_index.
2187 * c-tree.h (c_cpp_error): Add warning reason argument.
2188 * opts.c (_warning_as_error_callback): New.
2189 (register_warning_as_error_callback): Store callback for
2190 warnings enabled via enable_warning_as_error.
2191 (enable_warning_as_error): Call callback, minor code tidy.
2192 * opts.h (register_warning_as_error_callback): Declare.
2193 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2194 response to -Werror=.
2195 (c_common_init_options): Register warning_as_error_callback in opts.c.
2196 * common.opt: Add -Wno-cpp option.
2197 * c-common.c (struct reason_option_codes_t): Map cpp warning
2198 reason codes to gcc option indexes.
2199 * (c_option_controlling_cpp_error): New function, lookup the gcc
2200 option index for a cpp warning reason code.
2201 * (c_cpp_error): Add warning reason argument, call
2202 c_option_controlling_cpp_error for diagnostic_override_option_index.
2203 * doc/invoke.texi: Document -Wno-cpp.
2205 2010-04-07 Richard Guenther <rguenther@suse.de>
2207 * ipa-reference.c (mark_load): Use get_base_address.
2208 (mark_store): Likewise.
2210 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2211 inserting GIMPLE_NOPs into the IL.
2212 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2213 Explicitly strip handled components and indirect references.
2215 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2216 folding address expressions.
2217 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2218 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2219 operand_equal_p to compare decls.
2220 (ptr_deref_may_alias_decl_p): Likewise.
2221 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2222 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2223 Handle reversed comparison ops.
2224 * tree-sra.c (asm_visit_addr): Use get_base_address.
2225 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2226 * ipa-reference.c (mark_address): Use get_base_address.
2228 2010-04-07 Richard Guenther <rguenther@suse.de>
2230 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2231 Propagate constants everywhere.
2233 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2236 * tree.c (MAX_INT_CACHED_PREC): Define.
2237 (nonstandard_integer_type_cache): New array.
2238 (build_nonstandard_integer_type): Cache results for precision
2239 <= MAX_INT_CACHED_PREC.
2241 2010-04-07 Richard Guenther <rguenther@suse.de>
2243 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2244 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2245 * common.opt: Likewise.
2246 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2247 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2248 (nonoverlapping_memrefs_p): Likewise.
2249 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2250 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2251 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2252 OPT_fargument_noalias_global for backward compatibility.
2254 2010-04-07 Richard Guenther <rguenther@suse.de>
2256 PR tree-optimization/43270
2257 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2258 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2259 * tree-ssa-pre.c (phi_translate_1): Adjust.
2260 (fully_constant_expression): Split out vn_reference handling to ...
2261 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2262 Fold reads from constant strings.
2263 (vn_reference_lookup): Handle fully constant references.
2264 (vn_reference_lookup_pieces): Likewise.
2265 * Makefile.in (expmed.o-warn): Add -Wno-error.
2267 2010-04-07 Martin Jambor <mjambor@suse.cz>
2269 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2271 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2274 * gcc.c: Add -static-libstdc++ to list of recognized options.
2276 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2278 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2280 2010-04-07 Richard Guenther <rguenther@suse.de>
2283 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2284 bases build simple mem attributes to retain points-to information.
2286 2010-04-07 Richard Guenther <rguenther@suse.de>
2289 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2290 preserve points-to related information.
2292 2010-04-07 Richard Guenther <rguenther@suse.de>
2295 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2296 discard plain indirect references.
2297 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2298 * tree.c (tree_nop_conversion): Likewise.
2300 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2303 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2305 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2307 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2308 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2310 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2312 * tree-if-conv.c: Fix indentation and comments.
2314 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2316 * tree-if-conv.c: Sort static functions in topological order.
2318 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2320 * tree-if-conv.c: Fix indentation and comments.
2322 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2325 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2326 lang_hooks.types.type_for_size instead of
2327 build_nonstandard_integer_type.
2328 When converting an unsigned type to signed, double its precision.
2329 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2330 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2331 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2334 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2337 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2338 POINTER_PLUS_EXPR for pointer types.
2340 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2343 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2344 * graphite-clast-to-gimple.c: Include langhooks.h.
2345 (max_signed_precision_type): New.
2346 (max_precision_type): Takes two types as arguments.
2347 (precision_for_value): New.
2348 (precision_for_interval): New.
2349 (gcc_type_for_interval): New.
2350 (gcc_type_for_value): New.
2351 (gcc_type_for_clast_term): New.
2352 (gcc_type_for_clast_red): New.
2353 (gcc_type_for_clast_bin): New.
2354 (gcc_type_for_clast_expr): Split up into several functions.
2355 (gcc_type_for_clast_eq): Rewritten.
2356 (compute_bounds_for_level): New.
2357 (compute_type_for_level_1): New.
2358 (compute_type_for_level): New.
2359 (gcc_type_for_cloog_iv): Removed.
2360 (gcc_type_for_iv_of_clast_loop): Rewritten.
2361 (graphite_create_new_loop): Compute the lower and upper bound types
2362 with gcc_type_for_clast_expr.
2363 (graphite_create_new_loop_guard): Same.
2364 (find_cloog_iv_in_expr): Removed.
2365 (compute_cloog_iv_types_1): Removed.
2366 (compute_cloog_iv_types): Removed.
2367 (gloog): Do not call compute_cloog_iv_types.
2368 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2370 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2371 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2372 (GBB_CLOOG_IV_TYPES): Removed.
2374 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2376 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2377 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2378 (detect_commutative_reduction): Same.
2380 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2382 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2383 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2385 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2386 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2387 (rewrite_commutative_reductions_out_of_ssa): Same.
2388 * passes.c (execute_function_todo): Call verify_ssa for every pass
2389 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2390 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2391 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2392 with an extra argument.
2393 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2394 verify_ssa only when the extra argument is true.
2395 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2396 with an extra argument.
2397 (tree_transform_and_unroll_loop): Same.
2399 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2401 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2402 for all the passes of the LNO having LOOP_CLOSED_SSA.
2403 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2404 * tree-loop-distribution.c (pass_loop_distribution): Same.
2405 * tree-pass.h (TODO_verify_loops): Removed.
2406 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2408 (pass_tree_unswitch): Same.
2409 (pass_predcom): Same.
2410 (pass_vectorize): Same.
2411 (pass_linear_transform): Same.
2412 (pass_graphite_transforms): Same.
2413 (pass_iv_canon): Same.
2414 (pass_complete_unroll): Same.
2415 (pass_complete_unrolli): Same.
2416 (pass_parallelize_loops): Same.
2417 (pass_loop_prefetch): Same.
2418 (pass_iv_optimize): Same.
2420 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2423 * passes.c (init_optimization_passes): Move pass_lim before
2424 pass_copy_prop and pass_dce_loop.
2426 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2429 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2430 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2431 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2432 MULTI_* defines for 4 argument vpermil2p* builtins.
2434 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2436 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2437 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2438 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2439 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2440 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2441 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2442 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2443 Use x86_maybe_negate_const_int to output insn mnemonic.
2444 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2445 check from instruction predicate. Update comments.
2446 * config/i386/sync.md (sync_add<mode>): Use
2447 x86_maybe_negate_const_int to output insn mnemonic.
2449 2010-04-06 Jan Hubicka <jh@suse.cz>
2451 PR tree-optimization/42906
2452 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2453 IGNORE_SELF argument. Set visited_control_parents for fully
2455 (find_obviously_necessary_stmts): Update call of
2456 mark_control_dependent_edges_necessary.
2457 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2459 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2461 * config/i386/i386.md: Remove comment about 'e' and 'E'
2464 2010-04-06 Richard Guenther <rguenther@suse.de>
2466 PR tree-optimization/43627
2467 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2468 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2471 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2473 * BASE-VER: Change to 4.6.0.
2476 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2479 2010-04-06 Richard Guenther <rguenther@suse.de>
2482 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2484 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2486 * doc/invoke.texi (Optimize Options): Document that LTO
2487 won't remove object access purely due to incompatible
2490 2010-04-04 Matthias Klose <doko@ubuntu.com>
2492 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2493 Initialize variable.
2495 2010-04-03 Richard Guenther <rguenther@suse.de>
2498 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2499 require a non-NULL MEM_OFFSET.
2501 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2503 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2504 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2505 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2506 config/alpha/predicates.md, config/arm/arm.md,
2507 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2508 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2509 config/darwin9.h, config/darwin.c, config/darwin.h,
2510 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2511 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2512 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2513 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2514 config/mips/mips.md, config/mn10300/mn10300.c,
2515 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2516 config/rs6000/aix.h, config/rs6000/dfp.md,
2517 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2518 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2519 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2520 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2521 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2522 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2523 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2524 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2525 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2526 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2527 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2528 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2529 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2530 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2531 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2532 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2533 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2534 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2535 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2536 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2537 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2538 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2539 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2540 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2541 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2542 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2543 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2544 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2545 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2546 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2547 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2548 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2549 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2550 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2551 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2552 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2554 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2557 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2558 * aclocal.m4: Regenerate.
2560 2010-04-02 Richard Guenther <rguenther@suse.de>
2562 PR tree-optimization/43629
2563 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2564 if we have seen a constant value.
2566 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2568 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2570 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2573 * arm.c (legitimize_tls_address): Adjust call to
2574 gen_tls_load_dot_plus_four.
2575 (arm_note_pic_base): New function.
2576 (arm_cannot_copy_insn_p): Use it.
2577 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2580 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2585 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2587 * Makefile.in ($(out_object_file)): Depend on
2588 gt-$(basename $(notdir $(out_file))).h.
2590 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2592 * config.gcc (lm32-*-rtems*): Add t-lm32.
2594 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2596 * config.gcc: Add lm32-*-rtems*.
2597 * config/lm32/rtems.h: New file.
2599 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2602 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2604 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2606 * dwarf2out.c (output_compilation_unit_header): For
2607 -gdwarf-4 use version 4 instead of version 3.
2608 (output_line_info): For version 4 and above emit additional
2609 maximum ops per insn header field.
2610 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2612 * dwarf2out.c (is_c_family, is_java): Remove.
2613 (lower_bound_default): New function.
2614 (add_bound_info, gen_descr_array_type_die): Use it.
2616 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2619 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2620 re-declaration when it happens in a function.
2622 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2624 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2625 (cgraph_remove_function_insertion_hook): Same.
2626 (cgraph_call_function_insertion_hooks): Same.
2628 2010-04-01 Richard Guenther <rguenther@suse.de>
2631 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2632 and TREE_THIS_VOLATILE.
2633 (copy_ref_info): Likewise.
2634 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2635 * tree.c (build6_stat): Ignore side-effects of all but arg5
2636 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2639 2010-04-01 Richard Guenther <rguenther@suse.de>
2641 PR tree-optimization/43607
2642 * ipa-type-escape.c (check_call): Do not access non-existing
2645 2010-04-01 Richard Guenther <rguenther@suse.de>
2649 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2650 Jack Howarth <howarth@bromo.med.uc.edu>
2652 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2655 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2657 * doc/install.texi (Prerequisites): Document libelf usability on
2658 IRIX 5/6 and Solaris 2.
2659 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2660 Update GNU as, GNU ld requirements.
2661 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2662 Document Sun Studio compiler download.
2663 Update and simplify as, ld recommendations.
2664 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2666 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2668 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2669 with_tune_32 to pentium4.
2671 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2673 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2675 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2677 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2678 obsoletion, removal.
2680 Document GNU as requirement.
2681 Update configure requirements.
2682 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2683 Recomment IRIX 6.5.18+.
2684 Document IDF/IDL requirement.
2685 Document GNU as requirement.
2686 Document GNU ld bootstrap failure.
2687 Remove freeware.sgi.com reference.
2689 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2691 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2692 UNIX V4.0, V5.0 obsoletion, removal.
2693 Remove --with-gc=simple reference.
2694 Update VM requirements during bootstrap.
2695 Remove -oldas bootstrap description.
2696 Update binutils reference.
2697 Remove comparison failure note.
2699 2010-03-31 Richard Guenther <rguenther@suse.de>
2700 Zdenek Dvorak <ook@ucw.cz>
2701 Sebastian Pop <sebastian.pop@amd.com>
2704 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2705 with multiple arguments.
2706 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2708 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2710 * graphite-dependences.c (print_pddr): Call print_pdr with an
2712 * graphite-poly.c (debug_pdr): Add an extra argument for the
2715 (print_pbb_domain): Same.
2717 (print_scop_context): Same.
2719 (print_cloog): Same.
2720 (debug_pbb_domain): Same.
2724 (debug_scop_context): Same.
2726 (debug_cloog): Same.
2727 (print_scop_params): Same.
2728 (debug_scop_params): Same.
2729 (print_iteration_domain): Same.
2730 (print_iteration_domains): Same.
2731 (debug_iteration_domain): Same.
2732 (debug_iteration_domains): Same.
2733 (print_scattering_function): Same.
2734 (print_scattering_functions): Same.
2735 (debug_scattering_function): Same.
2736 (debug_scattering_functions): Same.
2737 * graphite-poly.h (debug_pdr): Update declaration.
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.
2762 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2764 * graphite-poly.c (print_scattering_function_1): New.
2765 (print_scattering_function): Call it.
2766 (print_scop_params): Remove spaces at the end of lines.
2769 * graphite-poly.h (print_cloog): Declared.
2770 (debug_cloog): Declared.
2772 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2774 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2776 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2777 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2778 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2779 to switch between adding the IV bump in loop->latch or in loop->header.
2781 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2783 * graphite-poly.c (print_scattering_function): Pretty print following
2786 (print_pbb_domain): Same.
2787 (dump_gbb_cases): Same.
2788 (dump_gbb_conditions): Same.
2791 (print_scop_params): Same.
2792 (print_scop_context): Same.
2794 (print_pbb_body): New.
2795 (lst_indent_to): New.
2796 (print_lst): Start new lines with a #.
2797 * graphite-poly.h (pbb_bb): New.
2798 (pbb_index): Use pbb_bb.
2799 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2801 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2803 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2805 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2806 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2807 and 0 instead of 1 for dw_val_class_flag.
2808 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2809 dw_val_class_range_list, dw_val_class_loc_list,
2810 dw_val_class_lineptr and dw_val_class_macptr, use
2811 DW_FORM_flag_present for dw_val_class_flag and
2812 DW_FORM_exprloc for dw_val_class_loc.
2813 (output_die): For -gdwarf-4 print dw_val_class_loc
2814 size as uleb128 instead of 1 or 2 bytes and don't print
2815 anything for dw_val_class_flag.
2817 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2818 instead of cselib_lookup following by tweaking locs->setting_insn.
2821 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2822 even before returning from label, setjmp call or volatile asm
2825 2010-03-31 Richard Guenther <rguenther@suse.de>
2828 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2829 temporary data on stack.
2831 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2833 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2834 (PUSHSECTION_ASM_OP): Remove.
2835 (POPSECTION_ASM_OP): Remove.
2836 (PUSHSECTION_FORMAT): Remove.
2837 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2838 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2839 * config/sol2.c (solaris_output_init_fini): Use it.
2841 2010-03-31 Jie Zhang <jie@codesourcery.com>
2844 * opt-functions.awk (var_type_struct): Use signed char type
2845 for simple variables.
2847 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2849 * config/sol2.c: Include output.h.
2850 (solaris_assemble_visibility): New function.
2851 * config/t-sol2 (sol2.o): Add output.h dependency.
2852 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2853 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2856 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2859 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2860 V2SImode or XFmode on PRE_DEC.
2863 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2866 2010-03-31 Jie Zhang <jie@codesourcery.com>
2869 * reload.h (caller_save_initialized_p): Declare.
2870 * toplev.c (backend_init_target): Don't call
2871 init_caller_save but set caller_save_initialized_p to false.
2872 * caller-save.c (caller_save_initialized_p): Define.
2873 (init_caller_save): Check caller_save_initialized_p.
2874 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2876 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2879 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2880 and soft-fp/t-softfp to tmake_file.
2881 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2882 (LIBGCC2_TF_CEXT): Define.
2885 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2888 * cselib.c (n_useless_values): Document handling of debug locs.
2889 (n_useless_debug_values, n_debug_values): New variables.
2890 (new_elt_loc_list): Don't add to debug values, keep count.
2891 (promote_debug_loc): New.
2892 (cselib_reset_table): Zero new variables.
2893 (entry_and_rtx_equal_p): Promote debug locs.
2894 (discard_useless_locs): Increment n_useless_debug_values for
2896 (remove_useless_values): Adjust n_useless_values and n_debug_values
2897 with n_useless_debug_values.
2898 (add_mem_for_addr): Promote debug locs.
2899 (cselib_lookup_mem): Likewise.
2900 (cselib_lookup_addr): Renamed to...
2901 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2902 (cselib_log_lookup): ... this. Turn into...
2903 (cselib_lookup_addr): ... new wrapper.
2904 (cselib_lookup_from_insn): New.
2905 (cselib_invalidate_regno): Increment n_useless_debug_values for
2907 (cselib_invalidate_mem): Likewise.
2908 (cselib_process_insn): Take n_deleted and n_debug_values into
2909 account to guard remove_useless_value call.
2910 (cselib_finish): Zero n_useless_debug_values.
2911 * cselib.h (cselib_lookup_from_insn): Declare.
2912 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2913 (sched_analyze_2): Likewise.
2915 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2917 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2919 (adjust_mems): Replace narrowing SUBREG of expression containing
2920 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2921 with operations in the narrower mode.
2924 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2925 regs_invalidated_by_call instead all call_used_reg_set registers.
2927 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2930 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2931 pointer comparisons with types_compatible_p.
2932 * tree-vect-stmts.c (vectorizable_call): Same.
2933 (vectorizable_condition): Same.
2935 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2937 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2938 stack check if the mask would be zero.
2940 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2941 Jack Howarth <howarth@bromo.med.uc.edu>
2943 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2946 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2949 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2951 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2952 Include ___unordxf2 and ___unordtf2.
2953 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2956 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2958 * config/lm32/t-lm32: New file.
2959 * config.gcc: Use the above file when targetting lm32.
2961 2010-03-28 Duncan Sands <baldrick@free.fr>
2963 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2965 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2968 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2969 Improve vectorization cost model diagnostic.
2971 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2974 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2975 compute_data_dependences_for_loop returns false, early exit
2976 and output an extra diagnostic for the failed data reference
2979 2010-03-29 Richard Guenther <rguenther@suse.de>
2981 PR tree-optimization/43560
2982 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2983 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2985 2010-03-29 Jie Zhang <jie@codesourcery.com>
2988 * toplev.c (process_options): Set optimization_default_node
2989 and optimization_current_node.
2990 * opts.c (decode_options): Don't set optimization_default_node
2991 and optimization_current_node.
2993 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2995 * config/rtems.h: Abandon -qrtems_debug.
2997 2010-03-28 Jan Hubicka <jh@suse.cz>
2999 PR tree-optimization/43505
3000 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3001 map should not be copied.
3003 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3006 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3007 cdtors, set DECL_PRESERVE_P.
3008 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3011 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3013 PR tree-optimization/43528
3014 * stor-layout.c (place_field): Check that constant fits into
3015 unsigned HWI when skipping calculation of MS bitfield layout.
3017 2010-03-27 Jan Hubicka <jh@suse.cz>
3020 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3021 notice_global_symbol work.
3023 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3025 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3026 instead of dwarf2out_decl.
3027 (struct var_loc_node): Remove section_label field.
3028 (dwarf2out_function_decl): New function.
3029 (dwarf2out_var_location): Don't set section_label field.
3030 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3032 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3034 PR tree-optimization/43544
3035 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3036 First argument for builtin vectorized function hook is now a
3037 tree to be able to distinguish between machine specific and
3039 * targhooks.c (default_builtin_vectorized_function): Ditto.
3040 * targhooks.h (default_builtin_vectorized_function): Ditto.
3041 * target.h (struct gcc_target): Ditto.
3042 * tree-vect-stmts.c (vectorizable_function): Ditto.
3043 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3044 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3047 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3050 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3051 nested binding iff it is a FUNCTION_DECL.
3052 (store_parm_decls_newstyle): Pass nested=true to bind for
3053 FUNCTION_DECLs amongst parameters.
3055 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3057 * var-tracking.c (vt_expand_loc_callback): Don't run
3058 cselib_expand_value_rtx_cb in dummy mode if
3059 cselib_dummy_expand_value_rtx_cb returned false.
3061 * var-tracking.c (emit_note_insn_var_location): For one part
3062 notes with offset 0, don't add EXPR_LIST around the location.
3063 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3064 add_location_or_const_value_attribute): Adjust for that change.
3067 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3068 into first operand and location into second.
3069 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3070 dw_cfi_oprnd_loc for DW_CFA_expression.
3071 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3072 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3073 assume first argument is regnum and second argument is location.
3075 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3078 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3079 of scratch register to DImode. Split to DImode comparison operator.
3080 Use SImode subreg of scratch register in the multiplication.
3081 (*cmp_sadd_sidi): Ditto.
3082 (*cmp_ssub_si): Ditto.
3083 (*cmp_ssub_sidi): Ditto.
3085 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3088 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3089 Remove invalid assert and wrong comment.
3091 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3094 * flags.h (final_insns_dump_p): New extern.
3095 * final.c (final_insns_dump_p): New variable.
3096 (rest_of_clean_state): Set it before -fdump-final-insns=
3097 dumping, clear afterwards.
3098 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3099 MEM_ALIAS_SET on MEMs.
3101 2010-03-26 David S. Miller <davem@davemloft.net>
3103 * configure.ac: Fix sparc GOTDATA_OP bug check.
3104 * configure: Rebuild.
3106 2010-03-26 Alan Modra <amodra@gmail.com>
3108 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3110 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3112 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3113 TLS_SECTION_ASM_FLAG.
3115 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3118 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3119 Clear first_function_block_is_cold.
3122 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3123 argument if the argument is truth_value_p.
3125 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3127 * config/rs6000/constraints.md: Update copyright year for my changes.
3130 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3131 used in reg+reg addressing, swap registers.
3133 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3136 * target.h (struct gcc_target): Add code_end hook.
3137 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3139 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3140 * toplev.c (compile_file): Call targetm.asm_out.code_end
3141 hook before unwind info/debug info output.
3142 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3143 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3144 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3145 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3146 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3147 * config/i386/i386.c (ix86_file_end): Renamed to...
3148 (ix86_code_end): ... this. Make static. Don't call
3149 file_end_indicate_exec_stack. Emit unwind info using
3150 final_start_function/final_end_function.
3151 (darwin_x86_file_end): Remove.
3152 (TARGET_ASM_CODE_END): Define.
3153 * config/i386/i386.h (TARGET_ASM_FILE_END,
3154 NEED_INDICATE_EXEC_STACK): Don't define.
3155 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3156 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3157 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3158 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3161 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3162 at the beginning and final_end_function at the end.
3163 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3165 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3167 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3168 and Sun as TLS syntax.
3169 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3170 * configure: Regenerate.
3171 * config.in: Regenerate.
3172 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3173 (default_elf_asm_named_section): Use it.
3174 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3175 (i386_output_dwarf_dtprel): Likewise.
3176 (output_addr_const_extra): Likewise.
3177 (output_pic_addr_const): Lowercase @GOTTPOFF.
3178 (output_addr_const_extra): Likewise.
3179 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3180 (output_addr_const_extra): Likewise.
3181 (output_pic_addr_const): Lowercase @INDNTPOFF.
3182 (output_addr_const_extra): Likewise.
3183 (output_pic_addr_const): Lowercase @NTPOFF.
3184 (output_addr_const_extra): Likewise.
3185 (output_pic_addr_const): Lowercase @TPOFF.
3186 (output_addr_const_extra): Likewise.
3187 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3188 (*tls_global_dynamic_64): Likewise.
3189 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3190 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3192 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3193 (ASM_OUTPUT_TLS_COMMON): Use it.
3194 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3197 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3198 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3199 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3200 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3201 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3202 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3204 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3206 * config/i386/i386.c (override_options): Don't accept
3207 -mtls-dialect=sun any longer.
3208 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3209 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3210 (*tls_local_dynamic_base_32_sun): Likewise.
3211 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3213 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3216 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3217 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3220 * ira.c (adjust_cleared_regs): New function.
3221 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3225 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3227 * expr.c (expand_expr_real): Restore previous
3228 curr_insn_source_location and curr_insn_block after
3229 expand_expr_real_1 call.
3230 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3231 instead of expand_expr_real_1.
3233 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3235 PR rtl-optimization/43413
3236 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3239 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3242 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3243 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3245 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3247 * config/i386/i386.c (ix86_target_string): Add -mfma.
3248 Fix a typo in comment.
3250 2010-03-22 Mike Stump <mikestump@comcast.net>
3253 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3254 Don't overly align based upon packed packed fields.
3256 2010-03-22 Jason Merrill <jason@redhat.com>
3258 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3259 Use () rather than [], and move before the element type.
3261 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3263 * doc/configfiles.texi (Configuration Files): Removed
3264 fixinc/Makefile*, intl/Makefile.*.
3265 * doc/makefile.texi: Fixed markup. Abstract from version
3266 control system used.
3267 (Makefile): Removed obsolete gcc/java/parse.y example.
3268 * doc/sourcebuild.texi: Likewise.
3269 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3270 libgomp, libssp. Removed fastjar.
3271 (Miscellaneous Docs): Clarify location.
3272 Added COPYING3, COPYING3.LIB.
3273 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3275 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3278 * config/i386/i386.c (x86_function_profiler)
3279 [!NO_PROFILE_COUNTERS]: Fix typo.
3280 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3283 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3284 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3286 * doc/sourcebuild.texi (Test Directives): Split into six
3287 subsections, with most of the current text in new subsections
3288 Directives, Selectors, and Final Actions.
3289 (Directives): Split list of test directives into multiple
3291 (Selectors): Describe use and syntax of selectors.
3292 (Effective-Target Keywords): Describe all existing keywords.
3293 (Add Options): Describe features for dg-add-options.
3294 (Require Support): Describe variants of dg-require-support.
3295 (Final Actions): Describe commands to use in dg-final.
3297 2010-03-22 Michael Matz <matz@suse.de>
3300 * recog.c (validate_replace_rtx_group): Replace also in
3301 REG_EQUAL and REG_EQUIV notes.
3303 2010-03-22 Richard Guenther <rguenther@suse.de>
3305 PR tree-optimization/43390
3306 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3307 sure vector extracts are type correct.
3309 2010-03-22 Richard Guenther <rguenther@suse.de>
3312 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3313 x * sqrt (x) even when optimizing for size if the target
3314 has native support for sqrt.
3316 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3318 * varasm.c (make_decl_rtl_for_debug): Also clear
3319 flag_mudflap for the duration of make_decl_rtl call.
3322 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3323 locs from preserved VALUEs.
3325 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3328 * pa.md (movmemsi): Set align to one if zero.
3329 (movmemdi): Likewise.
3331 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3334 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3335 with their corresponding prologue pushes.
3337 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3340 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3341 at the begining or end.
3342 (spu_expand_epilogue): Likewise.
3344 2010-03-20 Richard Guenther <rguenther@suse.de>
3346 PR rtl-optimization/43438
3347 * combine.c (make_extraction): Properly zero-/sign-extend an
3348 extraction of the low part of a CONST_INT. Also handle
3351 2010-03-19 Mike Stump <mikestump@comcast.net>
3353 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3354 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3355 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3357 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3360 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3363 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3365 PR rtl-optimization/42258
3366 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3367 use that may match DEF.
3370 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3371 the cost of loading the constant rather than assuming
3373 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3374 outer code is AND, do the same tests as the andsi3 expander and
3375 return COSTS_N_INSNS (1) if and is cheap.
3377 * optabs.c (avoid_expensive_constant): Fix formatting.
3379 2010-03-19 Michael Matz <matz@suse.de>
3382 * attribs.c (decl_attributes): When rebuilding a function pointer
3383 type use the same qualifiers as the original pointer type.
3385 2010-03-19 Martin Jambor <mjambor@suse.cz>
3387 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3388 and is_gimple_ip_invariant_address.
3390 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3393 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3395 * config/arm/arm.c (arm_override_options): Turn off
3396 flag_dwarf2_cfi_asm for AAPCS variants.
3398 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3401 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3402 Use PRE_MODIFY instead of PRE_DEC.
3403 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3404 (vfp_emit_fstmd): Likewise.
3406 2010-03-19 Michael Matz <matz@suse.de>
3409 * builtins.c (expand_builtin_interclass_mathfn,
3410 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3413 2010-03-19 Richard Guenther <rguenther@suse.de>
3415 PR tree-optimization/43415
3416 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3417 (phi_translate_1): ... this.
3418 (phi_translate): Move all caching here. Cache all NARY
3419 and REFERENCE translations.
3421 2010-03-19 David S. Miller <davem@davemloft.net>
3423 With help from Eric Botcazou.
3424 * config/sparc/sparc.c: Include dwarf2out.h.
3425 (emit_pic_helper): Delete.
3426 (pic_helper_symbol_name): Delete.
3427 (pic_helper_emitted_p): Delete.
3428 (pic_helper_needed): New.
3429 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3430 (get_pc_thunk_name): New.
3431 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3432 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3433 Set pic_helper_needed to true. Don't call emit_pic_helper.
3434 (sparc_expand_prologue): Update load_pic_register call.
3435 (sparc_output_mi_thunk): Likewise.
3436 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3437 thunk if possible. Output CFI information as needed.
3439 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3440 Jack Howarth <howarth@bromo.med.uc.edu>
3443 * config/i386/i386.h: Fix ABI on darwin x86-32.
3445 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3447 * tree.h: Declare make_decl_rtl_for_debug.
3448 * varasm.c (make_decl_rtl_for_debug): New.
3449 * dwarf2out.c (rtl_for_decl_location): Call it.
3450 * cfgexpand.c (expand_debug_expr): Call it.
3452 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3455 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3459 * var-tracking.c (vt_init_cfa_base): Do nothing if
3460 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3462 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3465 * var-tracking.c (canonicalize_vars_star): New.
3466 (dataflow_post_merge_adjust): Use it.
3468 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3471 * var-tracking.c (non_suitable_const): New function.
3472 (add_uses): For DEBUG_INSNs with constants, don't record any
3473 value, instead just the constant value itself.
3474 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3475 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3476 (emit_notes_in_bb): Likewise.
3477 (emit_note_insn_var_location): For onepart variables if
3478 cur_loc is a VOIDmode constant, use DECL_MODE.
3480 2010-03-18 Martin Jambor <mjambor@suse.cz>
3483 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3484 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3485 all non-clones. Moved call redirection...
3486 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3487 (cgraph_materialize_all_clones): Dispose of all
3488 combined_args_to_skip bitmaps.
3489 (verify_cgraph_node): Do not check for edges pointing to wrong
3490 nodes in inline clones.
3491 * tree-inline.c (copy_bb): Call
3492 cgraph_redirect_edge_call_stmt_to_callee.
3493 * ipa.c (cgraph_remove_unreachable_nodes): Call
3494 cgraph_node_remove_callees even when there are used clones.
3496 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3498 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3500 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3503 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3506 2010-03-18 Michael Matz <matz@suse.de>
3509 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3510 into sqrt(x) if we need to preserve signed zeros.
3512 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3513 Eric Botcazou <ebotcazou@adacore.com>
3515 PR rtl-optimization/43360
3516 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3517 note if we don't know its invariant status.
3519 2010-03-18 Michael Matz <matz@suse.de>
3521 PR tree-optimization/43402
3522 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3523 PHI chains of ssa names registered for update.
3525 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3528 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3529 non-offsettable and pre_modify update addressing.
3530 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3531 and "2" alternatives "#".
3532 (*movdd_softfloat32): Make all alternatives "#";
3533 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3534 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3535 (*movdf_softfloat32): Make all alternatives "#";
3536 (movdi): Use the new DIFD mode iterator to create a common splitter
3537 for movdi, movdf and movdd patterns.
3539 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3541 * common.opt (dumpdir): Remove redundant tab.
3543 2010-03-17 Martin Jambor <mjambor@suse.cz>
3545 PR tree-optimization/43347
3546 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3547 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3549 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3551 PR rtl-optimization/42216
3552 * regrename.c (create_new_chain): New function, broken out from...
3553 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3554 appending a use to an empty chain.
3555 (build_def_use): Remove previous changes that convert OP_INOUT to
3556 OP_OUT operands; instead detect the case where an OP_INOUT operand
3557 uses a previously untracked register and create an empty chain for it.
3559 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3561 * doc/extend.texi (Function Attributes): Rewrite unfinished
3562 sentence in ms_abi documentation.
3564 2010-03-17 Alan Modra <amodra@gmail.com>
3566 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3567 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3568 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3569 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3571 2010-03-16 Richard Henderson <rth@redhat.com>
3574 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3575 (lower_try_finally): Save and restore eh_seq around the expansion
3578 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3580 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3581 statements before splitting block.
3583 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3585 * doc/sourcebuild.texi (Testsuites): Fix markup.
3586 Use pathnames relative to gcc/testsuite.
3587 (Test Directives): Move description of how timeout is determined.
3588 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3589 (C Tests): Correct gcc.misc-tests directory.
3590 Framework tests now live in gcc.test-framework.
3592 2010-03-16 Richard Guenther <rguenther@suse.de>
3595 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3596 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3598 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3599 Alexandre Oliva <aoliva@redhat.com>
3601 PR tree-optimization/42917
3602 * lambda-code.c (remove_iv): Skip debug statements.
3603 (lambda_loopnest_to_gcc_loopnest): Likewise.
3604 (not_interesting_stmt): Debug statements are not interesting.
3606 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3610 * cselib.c (cselib_preserve_constants,
3611 cfa_base_preserved_val): New static variables.
3612 (preserve_only_constants): New function.
3613 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3614 clear its REG_VALUES. If cselib_preserve_constants, don't
3615 empty the whole hash table, but preserve there VALUEs with constants,
3616 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3617 (cselib_preserve_cfa_base_value): New function.
3618 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3619 (cselib_init): Change argument to int bitfield. Set
3620 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3622 (cselib_finish): Clear cselib_preserve_constants and
3623 cfa_base_preserved_val.
3624 * cselib.h (enum cselib_record_what): New enum.
3625 (cselib_init): Change argument to int.
3626 (cselib_preserve_cfa_base_value): New prototype.
3627 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3628 * dse.c (dse_step1): Likewise.
3629 * cfgcleanup.c (thread_jump): Likewise.
3630 * sched-deps.c (sched_analyze): Likewise.
3631 * gcse.c (local_cprop_pass): Likewise.
3632 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3633 If FN is non-NULL, call the callback always and whenever it returns
3634 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3635 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3636 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3637 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3638 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3639 * var-tracking.c: Include recog.h.
3640 (bb_stack_adjust_offset): Remove.
3641 (vt_stack_adjustments): Don't call it, instead just gather the
3642 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3643 (adjust_stack_reference): Remove.
3644 (compute_cfa_pointer): New function.
3645 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3646 (struct adjust_mem_data): New type.
3647 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3649 (get_address_mode): New function.
3650 (replace_expr_with_values): Use it.
3651 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3652 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3653 (adjust_sets): Remove.
3654 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3655 Use get_address_mode.
3656 (get_adjusted_src): Remove.
3657 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3658 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3659 (add_with_sets): Don't call adjust_sets.
3660 (fp_setter, vt_init_cfa_base): New functions.
3661 (vt_initialize): Change return type to bool. Move most of pool etc.
3662 initialization to the beginning of the function from end. Pass
3663 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3664 If !frame_pointer_needed, call vt_stack_adjustment before mos
3665 vector is filled, call vt_init_cfa_base if argp/framep has been
3666 eliminated to sp. If frame_pointer_needed and argp/framep has
3667 been eliminated to hard frame pointer, set
3668 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3669 encountering fp setter in the prologue. For MO_ADJUST, call
3670 log_op_type before pusing the op into mos vector, not afterwards.
3671 Call adjust_insn before cselib_process_insn/add_with_sets,
3672 call cancel_changes (0) afterwards.
3673 (variable_tracking_main_1): Adjust for vt_initialize calling
3674 vt_stack_adjustments and returning whether it succeeded or not.
3676 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3678 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3681 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3683 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3685 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3686 drap_reg has not been set.
3688 2010-03-15 Michael Matz <matz@suse.de>
3691 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3692 use it to expand block copies.
3693 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3694 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3695 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3697 2010-03-15 Richard Guenther <rguenther@suse.de>
3699 PR tree-optimization/43367
3700 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3703 2010-03-15 Richard Guenther <rguenther@suse.de>
3705 PR tree-optimization/43317
3706 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3708 2010-03-15 Martin Jambor <mjambor@suse.cz>
3710 PR tree-optimization/43141
3711 * tree-sra.c (create_abstract_origin): New function.
3712 (modify_function): Call create_abstract_origin.
3714 2010-03-15 Chris Demetriou <cgd@google.com>
3716 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3719 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3722 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3723 call insert_out_of_ssa_copy for default definitions.
3725 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3727 * graphite-clast-to-gimple.c (my_long_long): Defined.
3728 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3729 * graphite-sese-to-poly.c (my_long_long): Defined.
3730 (scop_ivs_can_be_represented): Use it.
3732 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3734 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3735 graphite-max-bbs-per-function, and loop-block-tile-size.
3736 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3738 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3740 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3742 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3743 forward declaration.
3744 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3745 (add_upper_bounds_from_estimated_nit): New.
3746 (build_loop_iteration_domains): Use it.
3748 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3750 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3752 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3755 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3756 should be an INTEGER_CST. Also handle CASE_CONVERT.
3758 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3760 * graphite.c (graphite_initialize): To bound the number of bbs per
3761 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3762 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3763 * doc/invoke.texi: Document it.
3765 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3767 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3768 * graphite-sese-to-poly.h (build_poly_scop): Same.
3770 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3772 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3773 the number of parameters in the scop. Use as an upper bound
3774 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3775 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3776 * doc/invoke.texi: Document it.
3778 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3780 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3781 * doc/c-tree.texi: Remove.
3782 * doc/generic.texi: Merge c-tree.texi here.
3783 * doc/gccint.texi (Trees): Remove menu entry.
3784 (c-tree.texi): Remove @include.
3785 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3786 * doc/languages.texi (Reading RTL): Ditto.
3788 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3791 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3793 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3796 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3797 code added to work around reload clobbering CONST insns.
3799 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3801 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3802 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3803 (cselib_preserve_only_values): Remove retain argument, don't
3804 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3805 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3806 * var-tracking.c (micro_operation): Move insn field before union.
3807 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3808 (struct variable_tracking_info_def): Remove n_mos field, change
3809 mos into a vector of micro_operations.
3810 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3811 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3812 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3813 changing into a vector.
3814 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3815 come before all other uops generated by add_stores.
3816 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3818 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3819 a vector. Run just one pass over the bbs instead of separate counting
3820 and computation phase.
3821 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3824 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3825 into *nonlocalized_list vector.
3826 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3827 even if origin is non-NULL.
3828 (gen_variable_die): Likewise.
3829 (process_scope_var): Don't change origin.
3830 (gen_decl_die): Likewise.
3831 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3832 before adding new edges instead of after it, fix moving over
3835 2010-03-11 David S. Miller <davem@davemloft.net>
3837 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3839 * configure: Rebuild.
3841 2010-03-11 Martin Jambor <mjambor@suse.cz>
3843 PR tree-optimization/43257
3844 * tree.c (assign_assembler_name_if_neeeded): New function.
3845 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3847 * tree.h (assign_assembler_name_if_neeeded): Declare.
3848 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3849 the function if needed.
3851 2010-03-11 Chris Demetriou <cgd@google.com>
3853 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3854 include/stdint-gcc.h, and include/stdint.h world-readable.
3856 2010-03-11 Richard Guenther <rguenther@suse.de>
3858 PR tree-optimization/43255
3859 * tree-vrp.c (process_assert_insertions_for): Do not insert
3860 asserts for trivial conditions.
3862 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3864 PR tree-optimization/43280
3865 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3866 generation. Move calculation of size out of the if branch.
3867 (find_bswap): Modify compare number generation.
3869 2010-03-11 Richard Guenther <rguenther@suse.de>
3872 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3873 (input_gimple_stmt): Fixup handled component types during
3874 operand read. Also fix up decls in ADDR_EXPRs.
3876 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3878 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3879 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3881 2010-03-10 Jan Hubicka <jh@suse.cz>
3884 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3885 * varasm.c (get_variable_section): Don't do that here...
3886 (make_decl_rtl): ... and here.
3887 (do_assemble_alias): Produce decl RTL.
3888 (assemble_alias): Likewise.
3890 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3893 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3894 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3896 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3897 (based_loc_descr): Only express drap or vdrap regno based expressions
3898 using DW_OP_fbreg when not optimizing.
3899 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3900 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3901 REG_CFA_SET_VDRAP note.
3903 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3905 PR tree-optimization/43236
3906 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3907 error in calculation of base address in reverse iteration case.
3908 (generate_builtin): Take number of latch executions if the statement
3911 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3914 * tree-eh.c: Include pointer-set.h.
3915 (lower_eh_dispatch): Filter out duplicate case labels and
3916 remove the unneeded edge when the label is unused. Return
3917 true when some edges are removed.
3918 (execute_lower_eh_dispatch): When any lowering resulted in
3919 removing an edge, also delete unreachable blocks.
3921 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3924 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3925 UNSPEC_MACHOPIC_OFFSET.
3927 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3930 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3931 (m68k_delegitimize_address): New function.
3933 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3936 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3939 * var-tracking.c (adjust_sets): New function.
3940 (count_with_sets, add_with_sets): Use it.
3941 (get_adjusted_src): New inline function.
3942 (add_stores): Use it.
3945 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3946 call cselib_dummy_expand_value_rtx_cb instead of
3947 cselib_expand_value_rtx_cb.
3950 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3951 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3952 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3953 and .cfi_endproc around the pic thunks.
3954 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3955 all queued unwind info register saves are saved before the call.
3956 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3957 considered as sp-=4 for unwind info and the pop as sp+=4 which
3958 also clobbers dest, but doesn't actually restore it.
3961 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3962 RTX_FRAME_RELATED_P.
3964 2010-03-09 Jie Zhang <jie@codesourcery.com>
3966 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3967 whitespaces in output template.
3969 2010-03-09 Jie Zhang <jie@codesourcery.com>
3971 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3974 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3976 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3977 builtins.exp in a separate job.
3979 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3981 * graphite-sese-to-poly.c (add_param_constraints): Use
3982 lower_bound_in_type and upper_bound_in_type.
3984 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3986 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3987 instead of unsigned_type_node.
3989 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3990 Reza Yazdani <reza.yazdani@amd.com>
3993 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3994 on pointer type parameters.
3996 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4000 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4001 handle conversions from pointer to integers.
4002 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4003 induction variable, to be able to work with code generated by CLooG.
4004 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4005 (build_poly_scop): Bail out if we cannot codegen a loop.
4007 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4009 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4010 code generation with gloog_error.
4012 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4014 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4015 Call fold_convert on all the returned values.
4016 (expand_scalar_variables_expr): Pass to
4017 expand_scalar_variables_ssa_name the type of the resulting expression.
4019 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4021 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4022 ppl_min_for_le_pointset.
4023 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4024 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4026 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4028 * graphite-dependences.c (map_into_dep_poly): Removed.
4029 (dependence_polyhedron_1): Use combine_context_id_scat.
4031 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4033 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4034 (struct poly_bb): Same.
4035 (combine_context_id_scat): New.
4037 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4040 * sese.c (name_defined_in_loop_p): Return false for default
4043 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4045 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4046 and clean up the logic.
4048 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4050 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4053 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4055 * var-tracking.c (remove_cselib_value_chains): Define only for
4057 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4058 delete_slot_part, emit_notes_for_differences_1): Don't call
4059 remove_cselib_value_chains here.
4060 (set_slot_part, emit_notes_for_differences_2): Don't call
4061 add_cselib_value_chains here.
4062 (preserved_values): New vector.
4063 (preserve_value): New function.
4064 (add_uses, add_stores, vt_add_function_parameters): Use it
4065 instead of cselib_preserve_value.
4066 (changed_values_stack): New vector.
4067 (check_changed_vars_0): New function.
4068 (check_changed_vars_1, check_changed_vars_2): Use it.
4069 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4070 changed_values_stack VALUEs.
4071 (vt_emit_notes): For all preserved_values call
4072 add_cselib_value_chains. If ENABLE_CHECKING call
4073 remove_cselib_value_chains before verifying value_chains is empty.
4074 Initialize and free changed_values_stack.
4075 (vt_initialize): Initialize preserved_values.
4076 (vt_finalize): Free preserved_values.
4078 2010-03-08 Richard Guenther <rguenther@suse.de>
4080 PR tree-optimization/43269
4081 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4084 2010-03-08 Martin Jambor <mjambor@suse.cz>
4086 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4087 (ipa_is_param_called): Removed.
4088 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4089 (ipa_print_node_params): Do not print the called flag.
4090 (ipa_write_node_info): Do not stream the called flag.
4091 (ipa_read_node_info): Likewise.
4093 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4096 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4097 * cselib.c (struct expand_value_data): Add dummy field.
4098 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4100 (cselib_dummy_expand_value_rtx_cb): New function.
4101 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4103 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4104 * var-tracking.c: Include pointer-set.h.
4105 (variable): Change n_var_parts to char from int. Add
4106 cur_loc_changed and in_changed_variables fields.
4107 (variable_canonicalize): Remove.
4108 (shared_var_p): New inline function.
4109 (unshare_variable): Maintain cur_loc_changed and
4110 in_changed_variables fields. If var was in changed_variables,
4111 replace it there with new_var. Just copy cur_loc instead of
4112 resetting it to something else.
4113 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4114 (dataflow_set_union): Don't call variable_canonicalize.
4115 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4116 of their DEBUG_EXPR_TREE_DECLs.
4117 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4118 and in_changed_variables and cur_loc_changed is false.
4119 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4120 and cur_loc_changed. Don't update cur_loc here.
4121 (variable_merge_over_src): Don't call variable_canonicalize.
4122 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4123 removing loc that is equal to cur_loc, clear cur_loc,
4124 set cur_loc_changed and ensure variable_was_changed is called.
4125 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4126 compare pointers in cur_loc check, if it is equal to loc,
4127 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4128 (variable_different_p): Remove compare_current_location argument,
4129 don't compare cur_loc.
4130 (dataflow_set_different_1): Adjust variable_different_p caller.
4131 (variable_was_changed): If dv had some var in changed_variables
4132 already, reset in_changed_variables flag for it and propagate
4133 cur_loc_changed over to the new variable. On empty var
4134 always set cur_loc_changed. Set in_changed_variables on whatever
4135 var is added to changed_variables.
4136 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4137 Use shared_var_p. When removing loc that is equal to cur_loc,
4138 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4139 end, don't set it to something else, just call variable_was_changed.
4140 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4141 loc being removed, clear cur_loc and set cur_loc_changed.
4142 Set cur_loc_changed if all locations have been removed.
4143 (struct expand_loc_callback_data): New type.
4144 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4145 allocated. Always create SUBREGs if simplify_subreg failed.
4146 Prefer to use cur_loc, when that fails and still in
4147 changed_variables (and seen first time) recompute it. Set
4148 cur_loc_changed of variables which had to change cur_loc and
4149 compute elcd->cur_loc_changed if any of the subexpressions used
4150 had to change cur_loc.
4151 (vt_expand_loc): Adjust to pass arguments in
4152 expand_loc_callback_data structure.
4153 (vt_expand_loc_dummy): New function.
4154 (emitted_notes): New variable.
4155 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4156 that weren't used for any other decl in current
4157 emit_notes_for_changes call call vt_expand_loc_dummy to update
4158 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4159 first loc_chain location if NULL before. Always use just
4160 cur_loc instead of first loc_chain location. When cur_loc_changed
4161 is false, when not --enable-checking=rtl just don't emit any note.
4162 When rtl checking, compute the note and assert it is the same
4163 as previous note. Clear cur_loc_changed and in_changed_variables
4164 at the end before removing from changed_variables.
4165 (check_changed_vars_3): New function.
4166 (emit_notes_for_changes): Traverse changed_vars to call
4167 check_changed_vars_3 on each changed var.
4168 (emit_notes_for_differences_1): Clear cur_loc_changed and
4169 in_changed_variables. Recompute cur_loc of new_var.
4170 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4171 (vt_emit_notes): Initialize and destroy emitted_notes.
4173 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4175 PR rtl-optimization/42220
4176 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4177 Use verify_reg_tracked to determine if we should use OP_OUT rather
4179 (build_def_use): If we see an in-out operand for a register that we
4180 know nothing about, treat is an output if possible, fail the block if
4183 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4186 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4189 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4192 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4193 uses of relevant DEFs that are dead outside the loop too.
4195 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4197 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4199 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4201 * var-tracking.c (values_to_unmark): New variable.
4202 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4203 values_to_unmark vector. Moved body to...
4204 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4205 instead queue it into values_to_unmark vector.
4206 (vt_find_locations): Free values_to_unmark vector.
4208 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4210 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4211 (site.exp): Export them when plugins are enabled.
4213 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4216 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4218 (chrec_fold_multiply): Same.
4220 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4223 * c-decl.c (build_compound_literal): Return early if init is
4226 2010-03-04 Martin Jambor <mjambor@suse.cz>
4228 PR tree-optimization/43164
4229 PR tree-optimization/43191
4230 * tree-sra.c (type_consists_of_records_p): Reject records with
4231 zero-size bit-fields at the end.
4233 2010-03-04 Mike Stump <mikestump@comcast.net>
4235 * Makefile.in (TAGS): Remove *.y.
4237 2010-03-04 Richard Guenther <rguenther@suse.de>
4239 PR tree-optimization/40761
4240 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4242 (my_rev_post_order_compute): New function.
4243 (init_pre): Call it.
4245 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4248 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4249 decrease the cost of an IV candidate when the cost is infinite.
4251 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4253 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4254 Use '3DNow!' for the extension of that name, ensure normal space
4256 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4258 2010-03-03 Jeff Law <law@redhat.com>
4260 * PR middle-end/32693
4261 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4262 than gen_rtx_SUBREG.
4263 (extract_bit_field_1): Likewise.
4265 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4267 * doc/sourcebuild.texi (Test directives): Document that arguments
4268 include-opts and exclude-opts are now optional for dg-skip-if,
4269 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4271 2010-03-03 Jason Merrill <jason@redhat.com>
4274 * cgraph.h (varpool_node): Add extra_name field.
4275 * varpool.c (varpool_extra_name_alias): New.
4276 (varpool_assemble_decl): Emit extra name aliases.
4277 (varpool_mark_needed_node): Look past an extra name alias.
4278 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4279 * lto-streamer-in.c (lto_input_tree): Read it.
4280 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4282 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4284 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4285 (sparc*-*-solaris2*): ...this.
4287 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4290 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4291 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4292 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4293 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4296 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4297 fallthrough to default handling, just with want_address 0 instead of 2.
4298 For single element lists, add_AT_loc directly, otherwise create an
4299 artificial variable DIE and stick location list to it.
4302 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4303 (VAL_EXPR_HAS_REVERSE): Define.
4304 (reverse_op): New function.
4305 (add_stores): For reversible operations add an extra MO_VAL_USE.
4307 2010-03-02 Jason Merrill <jason@redhat.com>
4309 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4311 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4313 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4314 (sparc64-*-linux*): Likewise.
4315 (sparc64-*-solaris2*): Include assembler files before linker ones.
4316 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4317 * config/sparc/gas.h: Delete.
4318 * config/sparc/sol2-64.h: Add copyright notice.
4319 * config/sparc/sol2-gas-bi.h: Likewise.
4320 * config/sparc/sol2-gld.h: Likewise.
4321 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4322 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4323 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4324 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4325 (sparc_elf_asm_named_section): Rename into...
4326 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4328 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4330 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4332 2010-03-02 Jeff Law <law@redhat.com>
4335 * reload1.c (rtx_p, substitute_stack): Declare.
4336 (substitute): Record addresses of changed rtxs.
4337 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4338 Restore the original rtx when complete.
4339 (reload): Free subsitute_stack when complete.
4341 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4343 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4344 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4346 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4347 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4348 Torture Tests): Change from subsection to section.
4350 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4351 Steven Bosscher <steven@gcc.gnu.org>
4353 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4356 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4359 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4360 the assignment from the new induction variable to the assignment
4361 of the value from the original loop PHI function.
4363 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4364 Daniel Jacobowitz <dan@codesourcery.com>
4366 * doc/sourcebuild.texi (Test directives): Clarify options to
4369 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4371 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4372 Disable cfi directives unless GCC and gas agree on using read-only
4373 .eh_frame sections for 64-bit.
4374 * configure: Regenerate.
4376 2010-03-01 Richard Guenther <rguenther@suse.de>
4378 PR tree-optimization/43220
4379 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4380 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4382 2010-03-01 Richard Guenther <rguenther@suse.de>
4383 Martin Jambor <mjambor@suse.cz>
4386 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4387 gimplified parameters.
4389 2010-03-01 Christian Bruel <christian.bruel@st.com>
4391 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4393 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4395 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4397 2010-03-01 Richard Guenther <rguenther@suse.de>
4400 * expr.c (expand_assignment): Use the alias-oracle to tell
4401 if the rhs aliases the result decl.
4403 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4406 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4407 to sol_gt_pch_get_address.
4408 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4409 64-bit, SPARC and x86.
4410 (sol_gt_pch_get_address): New function.
4412 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4414 * toplev.h (inform_n, error_n): Declare.
4415 * diagnostic.c (inform_n, error_n): New function.
4417 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4419 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4420 has no rtl yet when processing local_decls, queue it and recheck
4421 if deferred stack allocation hasn't assigned it rtl.
4423 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4425 * config/sh/sh.c (unspec_bbr_uid): New.
4426 (gen_block_redirect): Use it instead of INSN_UID.
4427 (gen_far_branch): Likewise.
4429 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4431 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4432 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4434 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4436 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4437 (Warning Options): -Wno-conversion-null is valid for
4438 Objective-C++ as well.
4439 * doc/tm.texi (Named Address Spaces): Likewise.
4440 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4441 * doc/tree-ssa.texi (Tree SSA): Likewise.
4443 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4446 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4447 by default. Don't set the default arch for
4448 i[34567]86-*-darwin*|x86_64-*-darwin*.
4450 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4453 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4454 default. Set the default 32bit/64bit archs with $with_arch
4455 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4457 2010-02-27 Richard Guenther <rguenther@suse.de>
4459 PR tree-optimization/43186
4460 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4461 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4462 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4463 unroller iterations.
4465 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4467 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4468 required and i[34567]86-*-* targets don't support 64bit ISA.
4470 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4473 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4476 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4478 * config.gcc: Set the default arch at least to Prescott for
4479 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4480 if SSE math is enabled.
4482 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4484 * diagnostic.c (diagnostic_initialize): Update.
4485 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4487 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4488 (diagnostic_inhibit_notes): New.
4489 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4491 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4494 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4495 * doc/standards.texi: Likewise.
4496 * doc/extend.texi: Likewise.
4497 * doc/trouble.texi: Likewise.
4498 * doc/cppopts.texi: Likewise.
4499 * doc/install.texi: Likewise.
4500 * c.opt (std=c90,std=gnu90): New options.
4501 * c-opts.c (c_common_handle_option): Handle them.
4503 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4506 * c-decl.c (undeclared_variable): Use an informative note.
4508 2010-02-26 Richard Guenther <rguenther@suse.de>
4510 PR tree-optimization/43186
4511 * gimple.h (gimple_fold): Remove.
4512 * gimple.c (gimple_fold): Remove. Inline into single user ...
4513 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4514 Try harder for conditions.
4516 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4519 * function.c (used_types_insert): Don't skip through named pointer
4520 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4521 and it is different from the main variant's type.
4523 2010-02-26 Nick Clifton <nickc@redhat.com>
4525 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4527 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4529 * config.gcc: Support --with-fpmath=sse for x86.
4531 * config/i386/ssemath.h: New.
4533 * doc/install.texi (--with-fpmath=sse): Documented.
4535 2010-02-26 Richard Guenther <rguenther@suse.de>
4537 PR tree-optimization/43188
4538 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4539 vector types of over-aligned element type.
4541 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4544 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4545 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4547 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4549 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4551 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4553 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4554 * var-tracking.c: Include diagnostic.h.
4555 (debug_dv): New function.
4556 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4559 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4560 (add_value_chain, add_value_chains, remove_value_chain,
4561 remove_value_chains): Handle DEBUG_EXPRs.
4562 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4565 * regcprop.c (struct queued_debug_insn_change): New type.
4566 (struct value_data_entry): Add debug_insn_changes field.
4567 (struct value_data): Add n_debug_insn_changes field.
4568 (debug_insn_changes_pool): New variable.
4569 (free_debug_insn_changes, apply_debug_insn_changes,
4570 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4571 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4572 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4574 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4576 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4577 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4578 changes, call cprop_find_used_regs via note_stores.
4579 (copyprop_hardreg_forward): When copying vd from predecessor
4580 which has any queued DEBUG_INSN changes, make sure the pointers are
4581 cleared. At the end call df_analyze and then if there are any
4582 DEBUG_INSN changes queued at the end of some basic block for still
4583 live registers, apply them.
4584 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4586 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4588 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4591 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4593 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4594 targets. Set the default with_cpu/with_arch from arch/cpu.
4595 Allow x86-64 and native for with_cpu/with_arch.
4597 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4599 * ebitmap.c: Change calls to verify_popcount with calls to
4600 sbitmap_verify_popcount.
4601 (ebitmap_clear_bit): Fixed map->cacheindex test and
4602 map>cache update when bit clearing results in an empty
4605 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4608 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4609 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4610 and support both V2DF and V2DI modes.
4611 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4612 support both V2DF and V2DI modes.
4613 (general): Delete trailing whitespace from a few patterns.
4615 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4616 V2DF/V2DI interleave high/low builtins.
4618 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4621 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4622 interleave high/low functions.
4624 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4626 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4627 #pragma extern_prefix.
4629 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4632 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4633 BLKmode, assert op0 is a MEM and just adjust its mode.
4636 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4637 if bitpos isn't multiple of mode's bitsize.
4639 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4641 * c.opt (-ftemplate-depth=): New.
4642 (-ftemplate-depth-): Deprecate.
4643 * optc-gen.awk: Handle -ftemplate-depth=.
4644 * opth-gen.awk: Likewise.
4645 * c-opts.c (c_common_handle_option): Likewise.
4646 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4648 2010-02-24 Jason Merrill <jason@redhat.com>
4650 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4652 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4654 * cfg.c (alloc_aux_for_block): Remove inline.
4655 (alloc_aux_for_edge): Likewise.
4657 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4659 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4661 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4663 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4664 * config/i386/sol2-gas.h: New file.
4665 * config.gcc (i[34567]86-*-solaris2*): Use it.
4667 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4670 * c-typeck.c (ep_convert_and_check): New.
4671 (build_conditional_expr): Use it.
4672 (build_binary_op): Likewise.
4674 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4676 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4679 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4680 bounds even for -O+.
4681 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4682 expr needs to have DECL_NAME set.
4684 2010-02-24 Nick Clifton <nickc@redhat.com>
4686 * config/mep/mep.c: Include gimple.h.
4687 (mep_function_uses_sp): Delete unused function.
4688 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4689 parameters. Use unsigned integers to count args. Return a
4690 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4692 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4695 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4696 greater or equal to nelt instead of 2 * nelt.
4697 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4700 2010-02-23 Jason Merrill <jason@redhat.com>
4703 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4704 in cfun->local_decls even if they have register types.
4707 * stor-layout.c (place_field): Don't warn about unnecessary
4708 DECL_PACKED if the type is packed.
4710 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4713 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4714 GOTOFF relocs, even when the base reg isn't pic pointer.
4716 2010-02-23 Michael Matz <matz@suse.de>
4719 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4720 (expand_gimple_basic_block): Generate and use debug temps if there
4721 are debug uses left after the last real use of TERed ssa names.
4722 Unlink debug immediate uses when they are expanded.
4724 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4727 * config/i386/i386.c (override_options): Reorganise to provide
4728 better error messages.
4730 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4733 * graphite-scop-detection.c (create_single_exit_edge): Move
4734 the call to find_single_exit_edge to....
4735 (create_sese_edges): ...here. Don't handle multiple edges
4736 exiting the function.
4737 (build_graphite_scops): Don't handle multiple edges
4738 exiting the function.
4740 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4743 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4744 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4746 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4749 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4751 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4754 * c-typeck.c (convert_arguments): Print declaration location.
4755 * c-common.c (validate_nargs): Rename as
4756 builtin_function_validate_nargs.
4757 (check_builtin_function_arguments): Update.
4759 2010-02-22 Richard Guenther <rguenther@suse.de>
4762 * tree-inline.c (declare_return_variable): Use the type of
4763 the call stmt lhs if available.
4765 2010-02-22 Duncan Sands <baldrick@free.fr>
4767 * passes.c (register_pass): Always consider all pass lists when
4768 ref_pass_instance_number is zero.
4770 2010-02-22 Richard Guenther <rguenther@suse.de>
4772 PR tree-optimization/42749
4773 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4774 parameter. Do arithmetic in the original type.
4775 (update_accumulator_with_ops): Likewise.
4776 (adjust_accumulator_values): Adjust.
4778 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4780 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4781 (QI to BLKmode splitter): New splitter.
4783 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4785 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4786 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4788 2010-02-22 Richard Guenther <rguenther@suse.de>
4790 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4792 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4794 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4795 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4796 ($(T)crti.o, $(T)crtn.o): Remove rules.
4798 2010-02-21 Tobias Burnus <burnus@net-b.de>
4801 * doc/invoke.texi (-fassociative-math): Document that this
4802 option is automatically enabled for Fortran.
4804 2010-02-20 David S. Miller <davem@davemloft.net>
4806 * configure.ac: Test if linker and assembler properly support
4807 GOTDATA_OP relocations.
4808 * configure: Rebuild.
4809 * config.in: Likewise.
4810 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4811 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4812 (movsi_high_pic): Likewise.
4813 (movdi_lo_sum_pic): Likewise.
4814 (movdi_high_pic): Likewise.
4815 (movsi_pic_gotdata_op): New pattern.
4816 (movdi_pic_gotdata_op): Likewise.
4817 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4818 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4820 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4823 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4824 attribute to ssemul.
4825 (xop_mulv2div2di3_high): Ditto.
4827 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4830 * c.opt (Wconversion-null): New option.
4831 * doc/invoke.texi (Wconversion-null): Document.
4833 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4835 * common.opt (Wlarger-than-): Add Undocumented.
4837 2010-02-19 Mike Stump <mikestump@comcast.net>
4839 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4841 2010-02-19 Jason Merrill <jason@redhat.com>
4844 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4845 * configure: Likewise.
4847 2010-02-20 Alan Modra <amodra@gmail.com>
4850 * cgraph.h (cgraph_make_decl_local): Declare.
4851 * cgraph.c (cgraph_make_decl_local): New function.
4852 (cgraph_make_node_local): Use it.
4853 * cgraphunit.c (cgraph_function_versioning): Likewise.
4854 * ipa.c (function_and_variable_visibility): Likewise.
4856 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4859 * except.c (sjlj_emit_function_enter): Don't call
4860 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4862 * rtl.h (add_reg_br_prob_note): Remove prototype.
4864 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4867 * c-common.c (conversion_warning): Remove widening conversions
4868 before checking the conversion of integers to reals.
4870 2010-02-19 Mike Stump <mikestump@comcast.net>
4873 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4876 * cgraphunit.c (process_function_and_variable_attributes): Check
4877 DECL_PRESERVE_P instead of looking up attribute "used".
4878 * ipa-pure-const.c (check_decl): Likewise.
4879 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4880 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4881 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4882 instead of attribute "used".
4883 * config/sol2-c.c (solaris_pragma_init): Likewise.
4884 (solaris_pragma_fini): Likewise.
4886 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4888 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4889 Use XCNEW instead of xcalloc.
4890 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4891 XNEW instead of xmalloc.
4892 (get_fields): Use XNEWVEC instead of xmalloc.
4895 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4896 populate vars array.
4897 (create_new_general_access): For debug stmts just reset value.
4898 (get_stmt_accesses): For accesses within debug stmts just record them
4899 using add_access_to_acc_sites instead of preventing the peeling or
4900 counting them as accesses.
4903 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4905 2010-02-19 Richard Guenther <rguenther@suse.de>
4907 PR tree-optimization/42916
4908 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4911 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4913 * configure.ac: Replace all uses of changequote in macro arguments
4914 with proper quoting.
4916 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4919 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4921 2010-02-19 Richard Guenther <rguenther@suse.de>
4923 PR tree-optimization/42944
4924 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4925 test for aliasing with errno.
4927 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4930 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4931 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4932 * dojump.c: Include output.h.
4933 (inv): New inline function.
4934 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4935 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4936 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4937 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4938 argument, pass it down to other calls.
4939 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4940 add REG_BR_PROB note to the conditional jump.
4941 * cfgexpand.c (add_reg_br_prob_note): Removed.
4942 (expand_gimple_cond): Don't call it, add the probability
4943 as last argument to jumpif_1/jumpifnot_1.
4944 * Makefile.in (dojump.o): Depend on output.h.
4945 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4947 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4948 * stmt.c (do_jump_if_equal): Likewise.
4949 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4950 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4951 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4953 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4954 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4955 jumpifnot_1 callers.
4956 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4958 (store_expr): Adjust jumpifnot caller.
4959 (store_constructor): Adjust jumpif caller.
4962 * gimplify.c (gimple_boolify): For __builtin_expect call
4963 gimple_boolify also on its first argument.
4965 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4967 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4969 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4970 * configure: Regenerated.
4972 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4974 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4975 lang_hooks.types_compatible_p instead of comptypes.
4977 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4979 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4980 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4981 if __prefer_thumb__ is defined.
4983 2010-02-18 Martin Jambor <mjambor@suse.cz>
4985 PR tree-optimization/43066
4986 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4987 array with zero-sized element type.
4989 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4991 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4992 rtx, allocate struct var_loc_node here and return it to the
4993 caller, and only if it is actually needed.
4994 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4995 move it earlier and return immediately if it returns NULL.
4997 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4999 * config/sparc/gas.h: New file. Restore
5000 TARGET_ASM_NAMED_SECTION to its ELF default.
5001 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5003 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5004 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5005 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5006 after sparc/sysv4.h.
5008 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5010 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5012 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5014 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5015 patterns from predicated pattern.
5017 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5020 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5021 for insn mnemonic suffix.
5023 2010-02-17 Richard Guenther <rguenther@suse.de>
5025 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5028 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5031 * caller-save.c (save_call_clobbered_regs): If BB ends with
5032 a DEBUG_INSN, move any notes in between last real insn and the last
5033 DEBUG_INSN after the last DEBUG_INSN.
5035 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5037 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5038 Fix return type. Fix argument type. Explain meaning of return value.
5040 2010-02-16 Richard Guenther <rguenther@suse.de>
5042 PR tree-optimization/41043
5043 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5044 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5046 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5048 2010-02-16 Ira Rosen <irar@il.ibm.com>
5050 PR tree-optimization/43074
5051 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5052 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5053 vectorizable cycles in hybrid SLP check.
5054 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5056 2010-02-16 Richard Guenther <rguenther@suse.de>
5058 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5059 (true_dependence): If memrefs_conflict_p computes must-alias
5060 trust it. Move TBAA check after offset-based disambiguation.
5061 (canon_true_dependence): Likewise.
5063 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5065 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5066 * doc/invoke.texi: Document it.
5067 * var-tracking.c: Include toplev.h and params.h.
5068 (vt_find_locations): Return bool indicating success. Compute
5069 hash sizes unconditionally. Check new parameter, report.
5070 (variable_tracking_main_1): Check vt_find_locations results and
5071 retry. Renamed from...
5072 (variable_tracking_main): ... this. New wrapper to preserve
5073 flag_var_tracking_assignments.
5074 * Makefile.in (var-tracking.o): Adjust dependencies.
5076 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5077 Jakub Jelinek <jakub@redhat.com>
5080 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5081 if weak_import attribute is present.
5082 * config/darwin.c (machopic_select_section): Likewise.
5084 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5086 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5087 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5088 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5089 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5091 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5094 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5097 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5098 Rewrite text to refer to the names.
5100 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5102 * config/i386/i386-builtin-types.def
5103 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5104 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5105 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5106 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5107 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5108 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5109 IX86_BUILTIN_VPERMIL2PS256.
5110 (MULTI_ARG_4_DF2_DI_I): Defined.
5111 (MULTI_ARG_4_DF2_DI_I1): Defined.
5112 (MULTI_ARG_4_SF2_SI_I): Defined.
5113 (MULTI_ARG_4_SF2_SI_I1): Defined.
5114 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5115 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5116 __builtin_ia32_vpermil2ps256.
5117 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5118 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5119 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5120 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5121 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5122 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5123 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5124 CODE_FOR_xop_vpermil2v8sf3.
5125 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5126 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5127 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5128 (_mm256_permute2_pd): New.
5129 (_mm_permute2_ps): New.
5130 (_mm256_permute2_ps): New.
5132 2010-02-15 Nick Clifton <nickc@redhat.com>
5134 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5135 boolean parameters. Use emit_jump_insn when emitting a pop
5136 instruction containing a return insn.
5137 (push): Use 'true' rather than '1' as second parameter to F.
5138 (h8300_expand_prologue): Likewise.
5139 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5140 (h8300_expand_epilogue): Likewise.
5142 2010-02-15 Richard Guenther <rguenther@suse.de>
5145 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5148 2010-02-15 Nick Clifton <nickc@redhat.com>
5150 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5153 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5155 * intl.c (fake_ngettext): New function.
5156 * intl.h (fake_ngettext): Declare.
5157 (ngettext): Define macro.
5158 * collect2.c (notice_translated): New function.
5159 (main): Use notice_translated and ngettext.
5160 * collect2.h (notice_translated): Declare.
5162 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5164 * reorg.c (delete_computation): Comment fixes.
5165 * caller-save.c (setup_save_areas): Idem.
5166 * sel-sched-dump.c (dump_lv_set): Idem.
5169 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5171 * config/s390/s390.c (s390_sched_init): New function.
5172 (TARGET_SCHED_INIT): Target hook defined.
5174 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5175 Jack Howarth <howarth@bromo.med.uc.edu>
5176 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5179 Partial revert of unintended change in fix for PR41605.
5180 * config/darwin.h: Fix typo.
5181 * config/darwin9.h: Same.
5183 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5185 * c-pch.c (pch_init): Clear v.
5187 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5190 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5191 graphite_can_represent_init for MULT_EXPR.
5193 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5197 * graphite-sese-to-poly.c (remove_phi): New.
5198 (translate_scalar_reduction_to_array): Call remove_phi.
5200 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5203 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5204 * graphite-clast-to-gimple.h (gloog): Update declaration.
5205 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5206 * graphite-poly.h (struct poly_bb): Add missing comments.
5207 (struct scop): Add poly_scop_p field.
5209 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5210 * graphite.c (graphite_transform_loops): Build the polyhedral
5211 representation for each scop before code generation.
5212 * sese.c (rename_variables_in_operand): Removed.
5213 (rename_variables_in_expr): Return the renamed expression.
5214 (rename_sese_parameters): New.
5215 * sese.h (rename_sese_parameters): Declared.
5217 2010-02-11 Richard Guenther <rguenther@suse.de>
5219 PR tree-optimization/42998
5220 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5221 POINTER_PLUS_EXPR properly.
5223 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5224 Changpeng Fang <changpeng.fang@amd.com>
5227 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5228 the cost of an IV candidate when the IV is used in a test against zero.
5230 * gcc.dg/tree-ssa/ivopts-3.c: New.
5232 2010-02-11 Richard Guenther <rguenther@suse.de>
5235 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5236 pointer-vs-decl case by swapping refs. Handle some cases
5237 of pointer-vs-decl disambiguations more conservatively.
5238 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5239 to false after expanding.
5241 2010-02-11 Richard Guenther <rguenther@suse.de>
5244 * gcc.c (process_command): Handle LTO file@offset case more
5247 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5249 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5250 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5252 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5254 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5255 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5256 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5257 Optimize eq/ne comparisons when both arguments are known to be
5259 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5260 Don't mask operands unnecessarily if they are known to be already
5263 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5265 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5268 2010-02-10 Richard Guenther <rguenther@suse.de>
5270 PR tree-optimization/43017
5271 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5272 for wrapping signed arithmetic.
5274 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5277 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5278 if no debug info should be emitted for it.
5280 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5282 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5283 note when flag_exceptions is set.
5285 2010-02-10 Duncan Sands <baldrick@free.fr>
5287 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5289 2010-02-10 Richard Guenther <rguenther@suse.de>
5292 * tree.c (get_unwidened): Handle constants.
5293 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5295 2010-02-10 Martin Jambor <mjambor@suse.cz>
5298 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5299 check for variable argument counts independently.
5301 2010-02-10 Christian Bruel <christian.bruel@st.com>
5304 * config/sh/sh.c (find_barrier): Increase length for non delayed
5305 conditional branches.
5307 2010-02-10 Christian Bruel <christian.bruel@st.com>
5309 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5311 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5313 * builtins.c (set_builtin_user_assembler_name): Also handle
5314 ffs if int is smaller than word.
5316 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5319 * ira-conflicts.c (get_dup): Remove.
5320 (process_reg_shuffles): Add new parameter. Use it as an
5321 additional guard for copy generation.
5322 (add_insn_allocno_copies): Rewrite.
5324 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5326 * common.opt (fsched2-use-traces): Preserved for backward
5328 * doc/invoke.texi: Remove the documentation about option
5329 -fsched2-use-traces.
5330 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5331 flag_sched2_use_traces.
5332 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5333 the backward compatibility flag section.
5335 2010-02-09 Richard Guenther <rguenther@suse.de>
5337 PR tree-optimization/43008
5338 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5339 make HEAP variables initialized from global memory if they
5340 are not known builtin functions.
5341 (find_func_aliases): Adjust.
5343 2010-02-09 Richard Guenther <rguenther@suse.de>
5345 PR tree-optimization/43000
5346 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5347 arithmetic manually.
5349 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5351 PR tree-optimization/42931
5352 * tree-loop-linear.c (try_interchange_loops): Don't call
5353 double_int_mul if estimated_loop_iterations failed.
5355 2010-02-08 Martin Jambor <mjambor@suse.cz>
5358 * tree-sra.c (build_accesses_from_assign): Do not mark in
5359 should_scalarize_away_bitmap if stmt has volatile ops.
5360 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5363 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5365 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5367 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5369 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5372 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5375 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5377 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5380 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5381 to unknown_dependence.
5382 (graphite_legal_transform_dr): Handle the unknown_dependence.
5383 (graphite_carried_dependence_level_k): Same.
5385 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5387 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5389 2010-02-07 Richard Guenther <rguenther@suse.de>
5392 * expr.c (get_inner_reference): Always initialize *pbitsize.
5394 2010-02-07 Richard Guenther <rguenther@suse.de>
5397 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5398 new ARRAY_REFs on variable size element or minimal index arrays.
5400 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5401 gimple_fold_indirect_ref.
5403 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5406 * arm.c (arm_override_options): Just return if the user has specified
5407 an invalid fpu name.
5409 2010-02-03 Jason Merrill <jason@redhat.com>
5412 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5413 i386_pe_maybe_record_exported_symbol.
5415 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5418 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5419 (pa_delegitimize_address): New function.
5421 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5423 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5424 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5426 2010-02-05 Richard Guenther <rguenther@suse.de>
5429 * lto-streamer-in.c (get_resolution): Deal with references
5430 to undefined functions.
5432 2010-02-05 Richard Guenther <rguenther@suse.de>
5434 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5435 (fold_const_aggregate_ref): Likewise.
5436 (ccp_fold_stmt): Substitute loads.
5437 (maybe_fold_reference): Verify types before substituting.
5439 (fold_gimple_assign): Unshare properly.
5440 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5442 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5444 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5445 for rs6000_gen_cell_microcode.
5447 2010-02-04 Richard Guenther <rguenther@suse.de>
5449 PR rtl-optimization/42952
5450 * dse.c (const_or_frame_p): Remove MEM handling.
5452 2010-02-04 Nick Clifton <nickc@redhat.com>
5454 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5455 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5456 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5457 (mn10300_asm_output_mi_thunk): New function.
5458 (mn10300_can_output_mu_thunk): New function.
5459 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5460 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5461 (FUNCTION_ARG): Delete incorrect comment.
5463 2010-02-03 Jason Merrill <jason@redhat.com>
5466 * fold-const.c (operand_equal_p): Handle erroneous types.
5468 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5470 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5472 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5474 PR rtl-optimization/42941
5475 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5478 2010-02-03 Jason Merrill <jason@redhat.com>
5481 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5483 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5486 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5487 (cselib_reset_table): Renamed from...
5488 (cselib_reset_table_with_next_value): ... this.
5489 (cselib_get_next_uid): Renamed from...
5490 (cselib_get_next_unknown_value): ... this.
5491 * cselib.c (next_uid): Renamed from...
5492 (next_unknown_value): ... this.
5493 (cselib_clear_table): Adjust.
5494 (cselib_reset_table): Adjust. Renamed from...
5495 (cselib_reset_table_with_next_value): ... this.
5496 (cselib_get_next_uid): Adjust. Renamed from...
5497 (cselib_get_next_unknown_value): ... this.
5498 (get_value_hash): Use hash.
5499 (cselib_hash_rtx): Likewise.
5500 (new_cselib_val): Adjust. Set and dump uid.
5501 (cselib_lookup_mem): Pass next_uid as hash.
5502 (cselib_subst_to_values): Likewise.
5503 (cselib_log_lookup): Dump uid.
5504 (cselib_lookup): Pass next_uid as hash. Adjust.
5505 (cselib_process_insn): Adjust.
5506 (cselib_init): Initialize next_uid.
5507 (cselib_finish): Adjust.
5508 (dump_cselib_table): Likewise.
5509 * dse.c (canon_address): Dump value uid.
5510 * print-rtl.c (print_rtx): Print value uid.
5511 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5513 (dv_uid): New function, sort of renamed from...
5514 (dv_htab_hash): ... this, reimplemented in terms of it and...
5515 (dv_uid2hash): ... this. New.
5516 (variable_htab_eq): Drop excess assertions.
5517 (tie_break_pointers): Removed.
5518 (canon_value_cmp): Compare uids.
5519 (variable_post_merge_New_vals): Print uids.
5520 (vt_add_function_parameters): Adjust.
5521 (vt_initialize): Reset table. Adjust.
5523 2010-02-03 Richard Guenther <rguenther@suse.de>
5525 PR tree-optimization/42944
5526 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5527 (call_may_clobber_ref_p_1): Likewise. Properly handle
5528 malloc and calloc clobbering errno.
5530 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5532 * doc/invoke.texi: Fix name of sched1 dump.
5534 * opts.c (decode_options): Set flag_tree_switch_conversion
5535 only conditionally on optimize >= 2.
5537 * gcse.c: Assorted comment fixes in pass description.
5539 2010-02-03 Anthony Green <green@moxielogic.com>
5541 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5542 nop padding in order to maintain alignment of storage location of
5543 target function address.
5544 (moxie_trampoline_init): Store target function address at newly
5546 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5548 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5550 2010-02-03 Richard Guenther <rguenther@suse.de>
5553 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5555 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5557 * config.gcc: Reenable check for obsolete targets.
5558 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5559 mips-sgi-irix6.[0-4]*.
5561 2010-02-02 Nick Clifton <nickc@redhat.com>
5563 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5564 constant size of 4 as being the same as 0.
5565 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5566 can take values in the range 0..4.
5568 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5571 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5572 as _darwin10_Unwind_FindEnclosingFunction().
5573 * libgcc-libsystem.ver: New.
5575 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5578 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5579 implicitly set registers.
5581 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5583 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5584 (arm_override_options): Allow automatic selection of the thread
5585 pointer register if thumb2.
5586 (legitimize_pic_address): Improve code sequences for Thumb2.
5587 (arm_call_tls_get_addr): Likewise.
5588 (legitimize_tls_address): Likewise.
5589 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5590 (pic_load_addr_32bit): ... this. New named pattern.
5591 * thumb2.md (pic_load_addr_thumb2): Delete.
5592 (pic_load_dot_plus_four): Delete.
5593 (tls_load_dot_plus_four): New named pattern.
5595 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5598 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5599 Document fix for TLS bug.
5601 2010-01-31 Richard Guenther <rguenther@suse.de>
5603 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5604 conservatively correct.
5606 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5610 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5612 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5614 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5616 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5618 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5620 * config.gcc: Adjust order of makefile fragments for mingw targets.
5622 2010-01-31 Richard Guenther <rguenther@suse.de>
5625 * gimplify.c (gimplify_init_constructor): For volatile LHS
5626 initialize a temporary.
5628 2010-01-31 Matthias Klose <doko@ubuntu.com>
5630 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5632 * configure: Regenerate.
5634 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5636 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5637 the same alias set and their sizes different constantness.
5638 (aliasing_component_refs_p): Revert 2009-10-24 change.
5640 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5642 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5645 2010-01-29 Richard Guenther <rguenther@suse.de>
5647 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5648 Assert we successfully updated the call.
5650 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5652 PR rtl-optimization/42889
5653 * df.h (df_set_bb_dirty_nonlr): New prototype.
5654 * df-core.c (df_set_bb_dirty_nonlr): New function.
5655 * df-scan.c (df_insn_rescan): Call it instead of
5656 df_set_bb_dirty for DEBUG_INSNs.
5658 2010-01-29 Richard Guenther <rguenther@suse.de>
5661 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5662 quadratic behavior in most cases.
5664 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5667 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5668 in the call to gen_x86_movsicc_0_m1.
5670 2010-01-28 Richard Guenther <rguenther@suse.de>
5672 PR tree-optimization/42871
5673 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5675 2010-01-28 Richard Guenther <rguenther@suse.de>
5677 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5678 into call arguments.
5680 2010-01-28 Richard Guenther <rguenther@suse.de>
5683 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5684 the forwarder if the destination is an EH landing pad.
5686 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5688 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5689 block list passed to gimple_duplicate_sese_tail.
5690 (parallelize_loops): Avoid parallelization when the function
5692 Avoid parallelization when the preheader is IRREDUCIBLE.
5693 Try to optimize when estimated_loop_iterations_int is unresolved.
5694 Add the loop's location to the dump file.
5695 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5696 (gimple_duplicate_sese_tail): Remove the check for the latch.
5697 Redirect nexits to the exit block.
5698 Remove handling of the incoming edges to the latch.
5699 Redirect the backedge from the copied latch to the exit bb.
5701 2010-01-28 Michael Matz <matz@suse.de>
5704 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5705 Wrap force_reg into a sequence, emit it before user.
5707 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5709 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5711 (arm_legacy_rev): Likewise.
5712 (thumb_legacy_rev): Likewise.
5714 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5716 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5717 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5718 on MEM's address failed, try avoid_constant_pool_reference and
5719 recurse if it returned something different.
5720 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5721 address, try avoid_constant_pool_reference and recurse if it
5722 returned something different.
5723 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5724 address and avoid_constant_pool_reference returned something
5725 different, don't set have_address.
5727 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5730 * var-tracking.c (val_store): Add modified argument, obey it.
5732 (count_uses): Move down logging of main.
5733 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5734 don't need resolution.
5735 (emit_notes_in_bb): Likewise.
5737 2010-01-27 Richard Guenther <rguenther@suse.de>
5740 * tree-inline.c (remap_decl): Delay remapping of SSA name
5741 default definitions until we need them.
5743 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5745 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5746 (rs6000_delegitimize_address): New function.
5748 * config/s390/s390.c (s390_delegitimize_address): Call
5749 delegitimize_mem_from_attrs.
5752 * tree-inline.c (cannot_copy_type_1): Removed.
5753 (copy_forbidden): Don't forbid copying of functions containing
5754 records/unions with variable length fields.
5756 2010-01-27 Christian Bruel <christian.bruel@st.com>
5760 * config/sh/sh.c (find_barrier): Increase length for non delayed
5761 conditional branches.
5763 2010-01-27 Matthias Klose <doko@ubuntu.com>
5765 * configure.ac (gnu-unique-object): Fix ldd version check.
5766 * configure: Regenerate.
5768 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5770 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5772 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5773 Test for HAVE_GNU_AS value.
5775 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5777 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5778 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5779 INT64_TYPE): Define.
5780 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5781 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5782 INT_LEAST64_TYPE): Define.
5783 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5784 UINT_LEAST64_TYPE): Define.
5785 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5786 INT_FAST64_TYPE): Define.
5787 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5788 UINT_FAST64_TYPE): Define.
5789 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5790 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5791 (SIG_ATOMIC_TYPE): Define.
5793 2010-01-26 Richard Guenther <rguenther@suse.de>
5795 * df-scan.c (df_scan_set_bb_info): Remove assert.
5796 (df_insn_rescan_debug_internal): Merge asserts.
5797 (df_install_ref): Likewise.
5798 (df_mark_reg): Use bitmap_set_range.
5799 (df_hard_reg_used_p): Remove assert.
5800 (df_hard_reg_used_count): Likewise.
5802 2010-01-26 Richard Guenther <rguenther@suse.de>
5804 PR rtl-optimization/42685
5805 * web.c (web_main): Ignore DEBUG_INSNs.
5807 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5809 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5811 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5812 Fix types of fndecl and arglist parameters.
5814 2010-01-26 Richard Guenther <rguenther@suse.de>
5817 * tree-eh.c (unsplit_eh): Skip debug insns.
5819 2010-01-26 Richard Guenther <rguenther@suse.de>
5821 PR tree-optimization/42250
5822 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5824 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5827 * omp-low.c (expand_omp_sections): Only use single_pred if
5828 l2_bb is single_pred_p.
5830 2010-01-25 Christian Bruel <christian.bruel@st.com>
5833 * config/sh/sh.c (find_barrier): Increase length for non delayed
5834 conditional branches.
5835 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5837 2010-01-24 David S. Miller <davem@davemloft.net>
5839 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5840 define if not using GAS.
5841 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5842 Likewise. Delete SECTION_MERGE code, which is only applicable
5845 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5848 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5849 mangling of va_list in system headers.
5851 2010-01-23 Toon Moene <toon@moene.org>
5853 * tree-predcom.c (combine_chains): Return NULL, not false.
5855 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5857 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5858 initialization of variable res to agree with return type.
5860 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5862 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5863 * tree-sra.c: Add include of expr.h.
5865 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5867 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5868 insert the debug stmt on the single non-EH edge from the stmt.
5870 2010-01-22 Richard Henderson <rth@redhat.com>
5873 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5874 the RHS until after generate_subtree_copies has insertted its
5875 code before the current statement.
5877 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5879 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5881 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5883 2010-01-21 Martin Jambor <mjambor@suse.cz>
5885 PR tree-optimization/42585
5886 * tree-sra.c (struct access): New field grp_total_scalarization.
5887 (dump_access): Dump the new field.
5888 (should_scalarize_away_bitmap): New variable.
5889 (cannot_scalarize_away_bitmap): Likewise.
5890 (sra_initialize): Allocate new bitmaps.
5891 (sra_deinitialize): Free new bitmaps.
5892 (create_access_1): New function.
5893 (create_access): Parts moved to create_access_1.
5894 (type_consists_of_records_p): New function.
5895 (completely_scalarize_record): Likewise.
5896 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5897 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5898 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5900 (analyze_all_variable_accesses): Completely scalarize small eligible
5903 2010-01-21 Martin Jambor <mjambor@suse.cz>
5905 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5907 2010-01-21 Andrew Haley <aph@redhat.com>
5909 * gcc.c (process_command): Move lang_specific_driver before
5910 setting cc_libexec_prefix.
5912 2010-01-21 Richard Guenther <rguenther@suse.de>
5915 * fold-const.c (negate_expr_p): Pretend only negative
5916 real constants are easily negatable.
5918 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5919 Jason Merrill <jason@redhat.com>
5921 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5922 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5923 * calls.c (initialize argument_information): Handle it.
5924 * c-common.c (handle_transparent_union_attribute): Use new name.
5925 * c-decl.c (finish_struct): Ditto.
5926 * c-typeck.c (type_lists_compatible_p): Ditto.
5927 (convert_for_assignment): Use new name and also handle record.
5928 * function.c (aggregate_value_p): Handle it.
5929 (pass_by_reference): Ditto.
5930 (assign_parm_data_types): Ditto.
5931 * print-tree.c (print_node): Ditto.
5932 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5933 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5934 * tree.c (first_field): New fn.
5936 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5939 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5940 even when linking statically, for now.
5942 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5945 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5946 without a cselib val.
5947 (count_uses): Accept MO_VAL_SET with no val on stores.
5948 (add_stores): Likewise.
5950 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5952 * var-tracking.c (check_value_val): Add a compile time assertion.
5953 (dv_is_decl_p): Simplify.
5954 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5955 gcc_assert if ENABLE_CHECKING.
5957 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5960 * var-tracking.c: Include tree-flow.h.
5961 (mem_dies_at_call): New.
5962 (dataflow_set_preserve_mem_locs): Use it.
5963 (dataflow_set_remove_mem_locs): Likewise.
5964 (dump_var): Renamed from dump_variable. Adjust all callers.
5965 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5966 * Makefile.in (var-tracking.o): Adjust deps.
5968 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5970 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5972 2010-01-20 Richard Guenther <rguenther@suse.de>
5974 PR tree-optimization/42717
5975 * tree-ssa-dce.c (get_live_post_dom): Remove.
5976 (forward_edge_to_pdom): Take an arbitrary edge to copy
5977 degenerate PHI args from.
5978 (remove_dead_stmt): Use the first post-dominator even if it
5979 does not contain live statements as redirection destination.
5981 2010-01-20 Richard Guenther <rguenther@suse.de>
5983 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5985 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5987 * sel-sched.c (create_speculation_check): Remove set but not used
5989 (try_transformation_cache): Remove set but not used variable ds.
5990 (calculate_privileged_insns): Remove set but not used variables
5991 cur_insn and min_spec_insn.
5992 (find_best_expr): Remove set but not used variable avail_n.
5993 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5995 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5997 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5998 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6001 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6004 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6005 cpu types. Add support for *-sse3 cpu types.
6006 (x86_64-*-*): Ditto.
6008 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6011 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6012 argument, call initializer_constant_valid_p_1 instead of
6013 initializer_constant_valid_p, pass CACHE to it, return NULL
6014 immediately if first call returns NULL.
6015 (initializer_constant_valid_p_1): New function.
6016 (initializer_constant_valid_p): Use it.
6018 2010-01-20 Thomas Quinot <quinot@adacore.com>
6020 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6022 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6024 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6025 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6026 (loc_list_from_tree): Don't handle unsigned division. Handle
6027 signed modulo using DW_OP_{over,over,div,mul,minus}.
6028 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6029 modulo instead of signed.
6031 2010-01-20 DJ Delorie <dj@redhat.com>
6033 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6035 (h8300_emit_stack_adjustment): Propogate it.
6037 (h8300_expand_prologue): Likewise.
6038 (h8300_expand_epilogue): Likewise.
6040 2010-01-19 Michael Matz <matz@suse.de>
6042 PR tree-optimization/41783
6043 * tree-data-ref.c (toplevel): Include flags.h.
6044 (dump_data_dependence_relation): Also dump the inputs if the
6045 result will be unknown.
6046 (split_constant_offset_1): Look through some conversions.
6047 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6048 the offset from last element is too large.
6049 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6050 (reassociate_to_the_same_stmt): Handle vector registers.
6051 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6053 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6054 wide_prolog_niters argument, emit widening instructions.
6055 (vect_do_peeling_for_alignment): Adjust caller, use widened
6056 variant of the iteration cound.
6057 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6059 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6062 * config/arm/neon-testgen.m (emit_automatics): New parameter
6063 features. Adjust for Fixed_return_reg feature.
6064 (test_intrinsic): Call emit_automatics with new feature.
6065 * config/arm/neon.ml: Update copyright years.
6066 (features): New Fixed_return_reg feature.
6067 (ops): Update feature for Vget_low.
6069 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6071 PR tree-optimization/42719
6072 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6076 * fwprop.c (all_uses_available_at): Return false if def_set dest
6077 is a REG that is used in def_insn.
6079 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6081 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6083 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6086 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6088 * target.h (struct gcc_target) <secondary_reload>: Change type
6089 of last argument to secondary_reload_info *.
6091 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6094 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6095 memory references with unaligned offsets. Remove CQImode handling.
6096 (unaligned_memory_operand): Return 1 for memory references with
6097 unaligned offsets. Remove CQImode handling.
6099 2010-01-18 Richard Guenther <rguenther@suse.de>
6102 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6105 2010-01-18 Richard Guenther <rguenther@suse.de>
6107 PR tree-optimization/42781
6108 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6109 restrict processing only if the original variable was artificial.
6111 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6113 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6114 find number of popped argument bytes.
6116 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6117 Fix the text that describes the return value for invalid insns.
6119 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6121 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6122 Clarify what 'cost of the -dependence' is. Fix quoting.
6124 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6125 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6127 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6129 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6130 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6132 2010-01-17 Richard Guenther <rguenther@suse.de>
6135 * function.c (split_complex_args): Take a VEC to modify.
6136 (assign_parms_augmented_arg_list): Build a VEC instead of
6137 a chain of PARM_DECLs.
6138 (assign_parms_unsplit_complex): Take a VEC of arguments.
6139 Do not fixup unmodified parms.
6140 (assign_parms): Deal with the VEC.
6141 (gimplify_parameters): Likewise.
6143 2010-01-17 Richard Guenther <rguenther@suse.de>
6145 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6146 node existence check.
6147 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6148 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6149 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6150 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6151 (gimple_execute_on_growing_pred): Likewise.
6153 2010-01-17 Richard Guenther <rguenther@suse.de>
6155 PR tree-optimization/42773
6156 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6157 (compute_antic_aux): Likewise.
6158 (compute_partial_antic_aux): Likewise.
6160 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6163 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6166 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6168 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6171 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6172 Fix markup for strict argument.
6174 (TARGET_SCHED_REORDER2): Fix argument types.
6176 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6177 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6179 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6180 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6182 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6185 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6186 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6187 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6188 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6189 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6191 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6193 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6195 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6196 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6198 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6200 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6203 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6205 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6206 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6208 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6210 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6212 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6213 referring to it. Fix language.
6215 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6217 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6219 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6221 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6223 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6224 '@var{stream}. Remove stray 'and'.
6226 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6228 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6230 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6232 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6233 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6235 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6236 Fix description of return value.
6237 Rename argument "sz" to "len."
6239 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6240 Clarify meaning of 'true' return value.
6242 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6244 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6245 rep_mode versus mode_rep.
6247 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6249 (TARGET_BUILTIN_DECL): Fix name.
6251 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6253 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6255 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6257 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6259 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6261 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6264 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6265 Rename argument tm_fn to md_fn.
6267 (TARGET_OPTION_PRINT): Fix argument list.
6269 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6272 * config/i386/i386.c (ix86_fixup_binary_operands):
6273 Revert FMA4 fixup of operands.
6275 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6278 * Makefile.in (write_entries_to_file, install-plugin):
6279 Use \012 instead of \n with tr.
6281 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6283 * configure.ac (HAVE_AS_REF): New C macro.
6284 * configure: Regenerate.
6285 * config.in: Likewise.
6286 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6288 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6291 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6293 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6295 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6297 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6299 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6301 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6303 (TARGET_BINDS_LOCAL_P): Fix argument type.
6305 (TARGET_ASM_FILE_END): Use prototype.
6307 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6309 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6311 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6313 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6315 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6316 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6318 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6319 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6321 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6322 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6323 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6324 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6326 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6328 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6330 (TARGET_INIT_BUILTINS): Use prototype.
6332 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6333 Put 'const char *' in braces. Fix parameter types.
6334 (TARGET_INVALID_CONVERSION): Fix parameter types.
6335 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6336 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6338 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6341 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6343 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6345 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6347 * doc/tm.texi (TARGET_HELP): Fix return type.
6349 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6350 in braces. Fix argument types.
6352 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6354 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6356 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6358 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6359 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6361 (TARGET_MANGLE_TYPE): Fix argument types.
6363 (TARGET_IRA_COVER_CLASSES): Use prototype.
6365 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6367 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6369 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6371 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6373 (TARGET_CALLEE_COPIES): Fix argument types.
6375 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6377 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6379 (TARGET_FUNCTION_VALUE): Fix argument types.
6381 (TARGET_RETURN_IN_MSB): Fix argument type.
6383 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6385 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6387 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6389 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6390 agree with return type.
6392 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6394 2010-01-15 Jing Yu <jingyu@google.com>
6396 PR rtl-optimization/42691
6397 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6398 a pseudo to a constant and are merged, and adjust comments.
6400 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6402 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6404 2010-01-15 Richard Guenther <rguenther@suse.de>
6407 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6408 labels of computed or non-local gotos to the destination.
6409 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6410 landing pad label is the first label.
6412 2010-01-15 Richard Guenther <rguenther@suse.de>
6414 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6416 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6419 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6420 to allow generation of the xssqrtdp instruction on power7.
6421 (sqrtdf2_fpr): Ditto.
6423 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6426 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6427 functions with noreturn attribute.
6430 * varasm.c (declare_weak): Add weak attribute to decl if it
6431 doesn't have one already.
6432 (assemble_external): Only add decls to weak_decls if they also
6433 have weak attribute.
6435 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6437 * var-tracking.c (var_reg_delete): Don't delete the association
6438 between REGs and values or one-part variables if the register
6441 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6444 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6445 because its first operand is a non-localized variable.
6447 2010-01-14 Martin Jambor <mjambor@suse.cz>
6449 PR tree-optimization/42706
6450 * tree-sra.c (encountered_recursive_call): New variable.
6451 (encountered_unchangable_recursive_call): Likewise.
6452 (sra_initialize): Initialize both new variables.
6453 (callsite_has_enough_arguments_p): New function.
6454 (scan_function): Call decl and flags check only for IPA-SRA, check
6455 whether there is a recursive call and whether it has enough arguments.
6456 (all_callers_have_enough_arguments_p): New function.
6457 (convert_callers): Look for recursive calls only when
6458 encountered_recursive_call is set.
6459 (ipa_early_sra): Bail out either if
6460 !all_callers_have_enough_arguments_p or
6461 encountered_unchangable_recursive_call.
6463 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6465 * sel-sched.c: Add 2010 to copyright years.
6466 * sel-sched-ir.c: Likewise.
6467 * sel-sched-ir.h: Likewise.
6469 2010-01-14 Martin Jambor <mjambor@suse.cz>
6471 PR tree-optimization/42714
6472 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6473 constructors specially.
6475 2010-01-14 Andi Kleen <ak@linux.intel.com>
6477 * config/i386/drivers-i386.c (detect_caches_intel):
6478 Add l2sizekb parameter and fill in.
6479 (host_detect_local_cpu): Add l2sizekb, fill in.
6480 Add Atom small cache heuristic.
6482 2010-01-14 Andi Kleen <ak@linux.intel.com>
6484 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6485 Add level3 parameter and fill in.
6486 (detect_caches_intel): Handle level3 cache.
6488 2010-01-14 Andi Kleen <ak@linux.intel.com>
6490 * config/i386/drivers-i386.c (host_detect_local_cpu):
6491 Fix core duo detection.
6493 2010-01-14 Andi Kleen <ak@linux.intel.com>
6495 * config/i386/drivers-i386.c (host_detect_local_cpu):
6498 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6500 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6501 (rs6000_variable_issue_1): this. Use...
6502 (rs6000_variable_issue): here. Reimplement. Print debug info.
6504 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6506 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6507 sel_restore_notes. Update all callers. Call reemit_notes
6510 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6512 PR rtl-optimization/42246
6513 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6516 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6518 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6519 all successors is the same as number of successors in current region.
6521 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6523 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6524 to rename is not separable. Otherwise check that its LHS is not NULL.
6526 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6528 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6530 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6532 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6533 available registers when failed to discover LHS register class.
6534 Fix indentation. Update comment.
6536 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6537 Alexander Monakov <amonakov@ispras.ru>
6539 PR rtl-optimization/42389
6540 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6542 (advance_state_on_fence): Likewise.
6543 (sel_target_adjust_priority): Print debug output only when
6544 sched_verbose >= 4, not 2.
6545 (get_expr_cost): Do not issue all unique insns on the next cycle.
6546 (fill_insns): Initialize can_issue_more from the value saved
6548 * sel-sched-ir.c (flist_add): New parameter issue_more.
6549 Init FENCE_ISSUE_MORE with it.
6550 (merge_fences): Likewise.
6551 (init_fences): Update call to flist_add.
6552 (add_to_fences, add_clean_fence_to_fences)
6553 (add_dirty_fence_to_fences): Likewise.
6554 (move_fence_to_fences): Update call to merge_fences.
6555 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6557 * sel-sched-ir.h (struct _fence): New field issue_more.
6558 (FENCE_ISSUE_MORE): New accessor macro.
6560 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6562 PR rtl-optimization/42388
6563 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6564 that have no predecessors nor successors. Do not call move_bb_info
6565 for empty blocks outside of current region.
6567 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6569 PR rtl-optimization/42294
6570 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6571 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6572 originators' originators.
6574 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6576 PR rtl-optimization/39453
6577 PR rtl-optimization/42246
6578 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6580 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6582 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6583 Alexander Monakov <amonakov@ispras.ru>
6586 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6587 (maybe_tidy_empty_bb): ... here. Make static. Add new
6588 argument. Update all callers.
6589 (tidy_control_flow): ... and here. Recompute topological order
6590 of basic blocks in region if necessary.
6591 (sel_redirect_edge_and_branch): Change return type. Return true
6592 if topological order might have been invalidated.
6593 (purge_empty_blocks): Export and move from...
6594 * sel-sched.c (purge_empty_blocks): ... here.
6595 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6596 (maybe_tidy_empty_bb): Delete prototype.
6597 (purge_empty_blocks): Declare.
6599 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6601 PR rtl-optimization/42249
6602 * sel-sched.c (try_replace_dest_reg): When chosen register
6603 and original register is the same, do not bail out early, but
6604 still check all original insns for validity of replacing destination
6605 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6608 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6611 Port from no-undefined-overflow branch:
6612 2009-03-09 Richard Guenther <rguenther@suse.de>
6614 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6616 2010-01-14 Richard Guenther <rguenther@suse.de>
6619 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6621 2010-01-14 Ira Rosen <irar@il.ibm.com>
6623 PR tree-optimization/42709
6624 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6625 as scalar type in creation of constant vector operand.
6627 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6630 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6631 (check-parallel-%): Match `testsuite' directory component only
6634 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6636 PR translation/39521
6637 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6640 2010-01-13 Richard Guenther <rguenther@suse.de>
6642 PR tree-optimization/42730
6643 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6646 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6649 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6650 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6653 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6655 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6656 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6657 ___umulsi3_highpart.
6659 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6660 rather than schedule_insns if the pass is enabled.
6662 2010-01-13 Martin Jambor <mjambor@suse.cz>
6664 PR tree-optimization/42704
6665 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6668 2010-01-13 Martin Jambor <mjambor@suse.cz>
6670 PR tree-optimization/42703
6671 * tree-sra.c (analyze_access_subtree): Check that we can build a
6672 reference to the original data within the aggregate.
6674 2010-01-13 Richard Guenther <rguenther@suse.de>
6676 PR tree-optimization/42705
6677 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6679 2010-01-13 Richard Guenther <rguenther@suse.de>
6682 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6684 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6687 * var-tracking.c (values_to_unmark): New variable.
6688 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6689 values_to_unmark vector. Moved body to...
6690 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6691 instead queue it into values_to_unmark vector.
6692 (vt_find_locations): Free values_to_unmark vector.
6694 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6696 * config/s390/s390.c (override_options): Set
6697 default of max-pending-list-length to 256
6699 2010-01-13 Richard Guenther <rguenther@suse.de>
6702 * tree-pass.h (PROP_gimple_lcx): New.
6703 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6704 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6705 before the final cleanup_eh.
6706 (dump_properties): Dump PROP_gimple_lcx.
6707 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6708 (tree_lower_complex_O0): Remove.
6709 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6710 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6711 tree_lower_complex, schedule TODO_update_ssa.
6712 * lto-streamer-out.c (output_function): Stream the functions
6714 * lto-streamer-in.c (input_function): Likewise.
6715 (lto_read_body): Do not override them here.
6717 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6720 * c-typeck.c (build_c_cast): Fold value cast to union type before
6721 wrapping it in a CONSTRUCTOR.
6723 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6725 PR rtl-optimization/42699
6726 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6729 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6731 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6732 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6733 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6734 SUBTARGET_WARN_UNUSED_SPEC): ... here
6735 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6737 2010-01-12 Julian Brown <julian@codesourcery.com>
6739 * config/arm/neon-schedgen.ml (Utils): Don't try to
6740 open missing module.
6741 (find_with_result): New.
6743 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6746 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6747 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6749 PR tree-optimization/42645
6750 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6751 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6752 decl_map, set processing_debug_stmt to -1 and return name without
6755 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6757 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6758 binutils version, and reword target configuration description.
6760 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6762 * config/avr/avr.h (LINKER_NAME): Remove.
6764 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6767 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6768 that support VSX, warn for -mno-altivec if vsx is not disabled,
6771 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6772 Shujing Zhao <pearly.zhao@oracle.com>
6774 PR translation/42469
6775 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6776 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6777 character between option name and help text.
6778 * c.opt (imultilib): Likewise.
6780 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6782 * lto-streamer-out.c (output_unreferenced_globals): Output static
6785 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6787 PR rtl-optimization/42621
6788 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6789 optimizing for size.
6790 (duplicate_computed_gotos): Remove now-redundant check.
6792 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6795 * configure.ac: Save and restore LDFLAGS and LIBS
6796 * configure: Regenerate.
6798 2010-01-10 Richard Guenther <rguenther@suse.de>
6801 * builtins.c (fold_builtin_strlen): Add type argument and
6802 convert the resulting length to it.
6803 (fold_builtin_1): Adjust.
6805 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6807 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6808 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6810 (num_insns_constant_wide): Adjust for that change.
6812 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6815 * web.c (union_defs): Add used argument, to combine uses of
6817 (entry_register): Adjust type and tests of used argument.
6818 (web_main): Widen used for new use. Pass it to union_defs.
6819 * df.h (union_defs): Adjust prototype.
6821 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6824 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6825 uses in new incoming argument. Free body.
6826 (reset_debug_uses_in_loop): New.
6827 (analyze_insn_to_expand_var): Call the latter if the former found
6828 anything. Fix whitespace. Reject invalid dest overlaps before
6829 going through all insns in the loop.
6831 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6834 * haifa-sched.c (dying_use_p): Debug insns don't count.
6836 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6839 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6840 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6841 (verify_gimple_call): Reject LHS in noreturn calls.
6843 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6847 * tree-vect-loop-manip.c (adjust_info): New type.
6848 (adjust_vec): New pointer to vector.
6849 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6850 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6851 (slpeel_update_phis_for_duplicate_loop): Use them.
6852 (slpeel_update_phi_nodes_for_guard1): Likewise.
6853 (slpeel_update_phi_nodes_for_guard2): Likewise.
6854 (slpeel_tree_peel_loop_to_edge): Likewise.
6855 (vect_update_ivs_after_vectorizer): Likewise.
6857 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6859 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6860 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6862 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6864 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6865 bogus uninitialized warning.
6867 2010-01-09 Richard Guenther <rguenther@suse.de>
6870 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6871 the evolution is compatible with the initial condition.
6873 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6875 * gcc.c (process_command): Update copyright notice dates.
6876 * gcov.c (print_version): Likewise.
6877 * gcov-dump.c (print_version): Likewise.
6878 * mips-tfile.c (main): Likewise.
6879 * mips-tdump.c (main): Likewise.
6881 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6884 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6886 (rotlhi3_8): Delete.
6888 (rotlsi3_8): Delete.
6889 (rotlsi3_16): Delete.
6890 (rotlsi3_24): Delete.
6892 (*rotw<mode>3): New.
6893 (*rotb<mode>3): New.
6894 * config/avr/avr.c (avr_rotate_bytes): New function.
6895 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6897 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6900 * configure.ac: Modify -rdynamic check.
6901 * configure: Regenerate.
6903 2010-01-08 DJ Delorie <dj@redhat.com>
6905 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6906 register popping order.
6908 2010-01-08 Richard Guenther <rguenther@suse.de>
6911 * c.opt (fsigned-char): Also let LTO handle this option.
6912 (funsigned-char): Likewise.
6914 2010-01-07 Richard Guenther <rguenther@suse.de>
6916 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6917 (gimple_op): Likewise.
6918 (gimple_op_ptr): Likewise.
6919 (gimple_assign_set_lhs): Remove gcc_assert.
6920 (gimple_assign_set_rhs1): Likewise.
6921 (gimple_assign_set_rhs2): Likewise.
6922 (gimple_call_set_lhs): Likewise.
6923 (gimple_call_set_fn): Likewise.
6924 (gimple_call_set_fndecl): Likewise.
6925 (gimple_call_fndecl): Likewise.
6926 (gimple_call_return_type): Likewise.
6927 (gimple_call_set_chain): Likewise.
6928 (gimple_call_num_args): Likewise.
6929 (gimple_call_set_arg): Likewise.
6930 (gimple_cond_set_code): Likewise.
6931 (gimple_cond_set_lhs): Likewise.
6932 (gimple_cond_set_rhs): Likewise.
6933 (gimple_cond_set_true_label): Likewise.
6934 (gimple_cond_set_false_label): Likewise.
6935 (gimple_label_set_label): Likewise.
6936 (gimple_goto_set_dest): Likewise.
6937 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6938 (gimple_debug_bind_get_value): Likewise.
6939 (gimple_debug_bind_get_value_ptr): Likewise.
6940 (gimple_debug_bind_set_var): Likewise.
6941 (gimple_debug_bind_set_value): Likewise.
6942 (gimple_debug_bind_reset_value): Likewise.
6943 (gimple_debug_bind_has_value_p): Likewise.
6944 (gimple_return_retval_ptr): Remove gcc_assert.
6945 (gimple_return_retval): Likewise.
6946 (gimple_return_set_retval): Likewise.
6947 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6948 (safe_referenced_var_iterator): Remove.
6949 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6950 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6951 (fill_referenced_var_vec): Remove.
6952 (first_readonly_imm_use): Remove redundant gcc_assert.
6953 (phi_arg_index_from_use): Combine gcc_asserts.
6954 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6955 (first_imm_use_stmt): Remove redundant gcc_assert.
6956 * tree-cfg.c (verify_gimple_call): Verify function and chain
6957 operands. Verify arguments.
6958 (verify_types_in_gimple_stmt): Verify condition code and labels.
6960 2010-01-07 Richard Guenther <rguenther@suse.de>
6962 PR tree-optimization/42641
6963 * sese.c (rename_map_elt_info): Use the SSA name version, do
6966 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6968 PR tree-optimization/42625
6969 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6970 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6972 2010-01-07 Duncan Sands <baldrick@free.fr>
6974 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6976 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6979 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6980 note itself is not function_invariant_p.
6982 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6984 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6985 Do not add the DF_NOTE problem.
6986 * store-motion.c (execute_rtl_store_motion): Likewise.
6988 2010-01-07 Martin Jambor <mjambor@suse.cz>
6990 PR tree-optimization/42157
6991 * tree-sra.c (compare_access_positions): Stabilize sort if both
6992 accesses have integer types, return zero immediately if they are the
6995 2010-01-06 Richard Henderson <rth@redhat.com>
6998 * haifa-sched.c (add_to_note_list): Merge into ...
6999 (concat_note_lists): ... here, and ...
7000 (unlink_other_notes, rm_other_notes): Merge into...
7001 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7002 NOTE_INSN_EPILOGUE_BEG.
7004 2010-01-06 Richard Guenther <rguenther@suse.de>
7006 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7007 not inline regular functions into always-inline functions.
7009 2010-01-06 Nick Clifton <nickc@redhat.com>
7011 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7012 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7014 (OVERRIDE_OPTIONS): Delete.
7015 (OPTIMIZATION_OPTIONS): Define.
7016 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7017 * config/rx/rx.c (rx_handle_option): Issue an error message if
7018 -mcpu=rx200 and -fpu are used together.
7019 (rx_set_optimization_options): New function. Issue an error
7020 message if an optimization attribute attempts to reset the FPU/
7021 math optimization pairing.
7022 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7023 * config/rx/rx.opt: Set the default to 32-bit doubles.
7024 * config/rx/t-rx: Add multilibs for -nofpu option.
7025 * doc/invoke.texi: Update documentation of RX options.
7027 2010-01-06 Richard Guenther <rguenther@suse.de>
7029 * tree-ssa-pre.c (name_to_id): New global.
7030 (alloc_expression_id): Simplify SSA name handling.
7031 (lookup_expression_id): Likewise.
7032 (init_pre): Zero name_to_id.
7033 (fini_pre): Free it.
7035 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7037 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7039 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7042 * config/i386/sse.md (smaxv2di3): New.
7043 (umaxv2di3): Likewise.
7044 (sminv2di3): Likewise.
7045 (uminv2di3): Likewise.
7047 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7050 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7051 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7052 (legitimize_tls_address): Likewise.
7053 (sparc_tls_referenced_p): Likewise.
7054 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7055 and adjust calls to legitimize_pic_address.
7056 (legitimate_constant_p) Use sparc_tls_referenced_p.
7057 (legitimate_pic_operand_p): Likewise.
7058 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7059 (sparc_tls_symbol_ref_1): Delete.
7060 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7061 (legitimize_tls_address): Make static, handle CONST patterns.
7062 (legitimize_pic_address): Make static, remove unused parameter and
7063 adjust recursive calls.
7064 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7065 and adjust call to legitimize_pic_address.
7066 (sparc_output_mi_thunk): Likewise.
7068 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7069 H.J. Lu <hongjiu.lu@intel.com>
7072 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7073 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7074 operands to make them signed.
7077 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7080 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7081 GTU to GT for V4SI and V2DI.
7083 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7084 (umin<mode>3): Removed.
7086 (uminv4si3): Likewise.
7088 2010-01-05 Martin Jambor <mjambor@suse.cz>
7090 PR tree-optimization/42462
7091 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7092 current_function_decl to helper functions and macros.
7094 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7097 * flags.h: Don't include real.h.
7098 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7099 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7100 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7101 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7102 * dominance.c: Update copyright.
7103 * gimple.c (walk_gimple_op): Remove inline.
7104 * tree-ssa-reassoc.c: Include real.h.
7105 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7106 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7108 2010-01-05 Nick Clifton <nickc@redhat.com>
7110 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7111 register to push into the stack frame when the accumulator has to
7112 be saved during interrupts.
7114 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7116 * doc/invoke.texi: Remove the documentation about option
7118 * common.opt (Wunreachable-code): Preserved for backward
7120 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7121 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7122 the backward compatibility flag section.
7124 2010-01-05 Richard Guenther <rguenther@suse.de>
7126 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7128 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7131 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7133 PR tree-optimization/42508
7134 * tree-sra.c (convert_callers): Check for recursive call
7135 by comparing cgraph nodes instead of decls.
7136 (modify_function): Call ipa_modify_formal_parameters also
7137 on all same_body aliases.
7139 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7140 cgraph nodes when checking for same_body aliases.
7142 2010-01-05 Richard Guenther <rguenther@suse.de>
7144 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7145 allocation and lookup.
7146 (get_or_alloc_expr_for_constant): Likewise.
7147 (phi_translate): Sink allocation.
7149 2010-01-04 Richard Guenther <rguenther@suse.de>
7151 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7152 a new entry only if needed.
7153 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7154 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7156 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7158 (phi_translate): Handle CONSTANTs early.
7160 2010-01-04 Martin Jambor <mjambor@suse.cz>
7162 PR tree-optimization/42398
7163 * tree-sra.c (struct access): Removed flag grp_different_types.
7164 (dump_access): Do not dump the removed flag.
7165 (sort_and_splice_var_accesses): Do not set the removed flag.
7166 (sra_modify_expr): Check for type compatibility directly.
7168 2010-01-04 Martin Jambor <mjambor@suse.cz>
7170 PR tree-optimization/42366
7171 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7172 edges with variable number of parameters.
7173 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7174 flag instead of asserting it.
7175 (ipa_read_node_info): Read uses_analysis_done flag.
7177 2010-01-04 Richard Guenther <rguenther@suse.de>
7179 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7180 iterative_hash_* as intended.
7181 (vn_reference_compute_hash): Likewise. Simplify hashing
7183 (vn_reference_lookup_2): Likewise.
7184 (vn_nary_op_compute_hash): Likewise.
7185 (vn_phi_compute_hash): Likewise.
7186 (expressions_equal_p): Remove strange code.
7187 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7188 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7189 (bitmap_insert_into_set_1): Take value-id as parameter.
7190 (add_to_value): Pass it.
7191 (bitmap_insert_into_set): Likewise.
7192 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7194 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7197 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7198 (do_self_spec): For switches with SWITCH_IGNORE set set also
7199 SWITCH_IGNORE_PERMANENTLY.
7200 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7203 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7205 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7206 tree of an unreferenced global var.
7208 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7211 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7212 GTU to GT for V4SI and V2DI.
7214 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7215 (umin<mode>3): Removed.
7217 (uminv4si3): Likewise.
7219 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7222 * collect2.c (main): Turn on trace in collect2 if -v is passed
7225 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7227 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7228 description of expression operand.
7230 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7232 * configure.ac: Add install-html to target_list for Make-hooks.
7233 * configure: Regenerate.
7234 * fortran/Make-lang.in (F95_HTMLFILES): New.
7235 (fortran.html): Use it.
7236 (fortran.install-html): New.
7237 * Makefile.in (install-html): Add lang.install-html.
7238 * java/Make-lang.in (JAVA_HTMLFILES): New.
7239 (java.html): Use it.
7240 (java.install-html): New.
7241 * objc/Make-lang.in (objc.install-html): New.
7242 * objcp/Make-lang.in (obj-c++.install-html): New.
7243 * cp/Make-lang.in (c++.install-html): New.
7244 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7245 * lto/Make-lang.in (lto.install-html): New.
7247 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7250 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7252 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7254 PR rtl-optimization/41862
7255 * store-motion.c (store_killed_in_insn, compute_store_table,
7256 remove_reachable_equiv_notes, replace_store_insn,
7257 build_store_vectors): Ignore all DEBUG_INSNs.
7259 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7262 * common.opt: Add dumpdir.
7264 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7266 (option_map): Add --dumpdir.
7268 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7270 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7272 * opts.c (decode_options): Try dump_dir_name first if
7273 dump_base_name isn't an absolute path.
7274 (common_handle_option): Handle OPT_dumpdir.
7276 * toplev.c (dump_dir_name): New.
7277 (print_switch_values): Also ignore -dumpdir.
7279 * toplev.h (dump_dir_name): New.
7281 2010-01-03 Richard Guenther <rguenther@suse.de>
7283 PR tree-optimization/42589
7284 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7285 double-word expansion of bswap32.
7287 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7289 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7290 with BLOCK_FOR_INSN.
7291 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7292 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7293 noce_process_if_block): Likewise.
7294 * gcse.c (compute_local_properties, insert_expr_in_table,
7295 insert_set_in_table, canon_list_insert, find_avail_set,
7296 pre_insert_copy_insn): Likewise.
7298 * basic-block.h (BLOCK_NUM): Move from here...
7299 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7301 2010-01-03 Richard Guenther <rguenther@suse.de>
7303 PR tree-optimization/42438
7304 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7305 contains_may_not_return_call flag.
7306 (BB_MAY_NOTRETURN): New.
7307 (valid_in_sets): Trapping nary operations are not valid
7308 in blocks that may not return.
7309 (insert_into_preds_of_block): Remove check for trapping expressions.
7310 (compute_avail): Compute also BB_MAY_NOTRETURN.
7312 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7314 * doc/invoke.texi: Add 2010 to copyright years.
7316 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7318 * config/sparc/sparc.c: Fix formatting nits.
7320 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7321 Alexander Monakov <amonakov@ispras.ru>
7323 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7325 2010-01-02 Richard Guenther <rguenther@suse.de>
7328 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7329 (simplify_switch_using_ranges): Mark to be removed edges
7332 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7334 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7336 * collect2.c (scan_libraries): Add missing argument in call to
7339 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7342 * config/alpha/predicates.md (aligned_memory_operand): Return false
7344 (unaligned_memory_operand): Return true for CQImode.
7345 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7346 doesn not cross aligned SImode word boundary.
7348 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7350 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7352 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7353 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7355 2010-01-02 Richard Guenther <rguenther@suse.de>
7358 * toplev.c (compile_file): Emit LTO marker properly. Change
7360 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7362 2010-01-01 Richard Guenther <rguenther@suse.de>
7365 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7367 2010-01-01 Richard Guenther <rguenther@suse.de>
7370 * c-decl.c (grokdeclarator): For zero-size arrays force
7371 structural equality checks as layout_type does.
7373 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7375 * builtins.c: Update copyright to 2010.
7377 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7380 * lto-streamer-out.c (produce_asm): Revert the last change.
7381 (copy_function): Likewise.
7383 * lto-streamer.c (lto_get_section_name): Skip any leading
7386 2010-01-01 Richard Guenther <rguenther@suse.de>
7389 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7393 Copyright (C) 2010 Free Software Foundation, Inc.
7395 Copying and distribution of this file, with or without modification,
7396 are permitted in any medium without royalty provided the copyright
7397 notice and this notice are preserved.