1 2010-04-27 Jie Zhang <jie@codesourcery.com>
3 * doc/gimple.texi (gimple_statement_with_ops): Remove
5 (gimple_statement_with_memory_ops): Likewise.
7 2010-04-27 Jan Hubicka <jh@suse.cz>
9 * tree-inline.c (eni_inlining_weights): Remove.
10 (estimate_num_insns): Special case more builtins.
12 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
15 * c-typeck.c (build_binary_op): Move forward check for comparison
16 pointer with null pointer constant and adjust the diagnostic message.
18 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
21 * configure.ac (gcc_cv_as_section_has_align): Set if installed
22 binutils supports extended .section directive needed by LTO, or
23 warn if older binutils found.
24 (LTO_BINARY_READER): New AC_SUBST'd variable.
25 (LTO_USE_LIBELF): Likewise.
26 * gcc/config.gcc (lto_binary_reader): New target-specific configure
28 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
29 (LTO_USE_LIBELF): Likewise.
30 * configure: Regenerate.
32 * collect2.c (is_elf): Rename from this ...
33 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
34 object files in addition to ELF-formatted ones.
35 (scan_prog_file): Caller updated. Also allow for LTO info marker
36 symbol to be prefixed or not by an extra underscore.
38 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
39 * config/i386/winnt.c: Also #include lto-streamer.h
40 (i386_pe_asm_named_section): Specify 1-byte section alignment for
42 (i386_pe_asm_output_aligned_decl_common): Add comment.
43 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
45 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
48 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
49 Add missing earlyclobber for second alternative.
51 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
53 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
54 bits for artificial defs at the top of the block.
55 * fwprop.c (single_def_use_enter_block): Don't call it.
57 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
60 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
61 instead of "$gcc_cv_objdump -T".
62 Use "-undefined dynamic_lookup" on darwin.
63 * gcc/configure: Regenerate.
65 2010-04-26 Jakub Jelinek <jakub@redhat.com>
68 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
70 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
72 * c-parser.c (struct c_token): Move location field up.
73 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
74 (struct c_declspecs): Convert typespec_word, storage_class, and
75 default_int_p into bitfields.
76 (struct c_declarator): Move loc field up.
78 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
80 * cfgloop.h (struct loop): Move can_be_parallel field up.
81 * ipa-prop.h (struct ip_node_params): Move bitfields up.
82 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
84 (struct iv_cand): Convert pos field into a bitfield.
85 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
87 (struct _stmt_vec_info): Shuffle fields for better packing.
89 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
91 * varasm.c (IN_NAMED_SECTION): Remove guard.
92 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
93 (IN_NAMED_SECTION_P): ...this.
94 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
95 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
97 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
99 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
100 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
101 of shadowing it. Fix comments.
103 2010-04-26 Jan Hubicka <jh@suse.cz>
105 * cgraph.c (cgraph_create_node): Set node frequency to normal.
106 (cgraph_clone_node): Copy function frequency.
107 * cgraph.h (node_frequency): New enum
108 (struct cgraph_node): Add.
109 * final.c (rest_of_clean_state): Update.
110 * lto-cgraph.c (lto_output_node): Output node frequency.
111 (input_overwrite_node): Input node frequency.
112 * tre-ssa-loop-ivopts (computation_cost): Update.
113 * lto-streamer-out.c (output_function): Do not output function
115 * predict.c (maybe_hot_frequency_p): Update and handle functions
117 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
119 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
120 (compute_function_frequency): Set noreturn functions to be executed
122 (choose_function_section): Update.
123 * lto-streamer-in.c (input_function): Do not input function frequency.
124 * function.c (allocate_struct_function): Do not initialize function
126 * function.h (function_frequency): Remove.
127 (struct function): Remove function frequency.
128 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
129 (try_update): Update.
130 * tree-inline.c (initialize_cfun): Do not update function frequency.
131 * passes.c (pass_init_dump_file): Update.
132 * i386.c (ix86_compute_frame_layout): Update.
133 (ix86_pad_returns): Update.
135 2010-04-26 Jie Zhang <jie@codesourcery.com>
137 PR tree-optimization/43833
138 * tree-vrp.c (range_int_cst_p): New.
139 (range_int_cst_singleton_p): New.
140 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
141 when both operands are constants. Use range_int_cst_p in
144 2010-04-26 Jan Hubicka <jh@suse.cz>
146 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
148 2010-04-26 Richard Guenther <rguenther@suse.de>
151 * gimple.c (gimple_decl_printable_name): Deal gracefully
152 with a NULL DECL_NAME.
154 2010-04-26 Richard Guenther <rguenther@suse.de>
157 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
158 if emitting debug information and it is either a function
161 2010-04-26 Ira Rosen <irar@il.ibm.com>
163 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
164 determine if the statement is vectorizable, and a macro to
166 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
167 Skip statements that can't be vectorized. If the analysis
168 fails, mark the statement as unvectorizable if vectorizing
170 (vect_compute_data_refs_alignment): Likewise.
171 (vect_verify_datarefs_alignment): Skip statements marked as
172 unvectorizable. Add print.
173 (vect_analyze_group_access): Skip statements that can't be
174 vectorized. If the analysis fails, mark the statement as
175 unvectorizable if vectorizing basic block.
176 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
178 * tree-vect-stmts.c (vectorizable_store): Fix the number of
179 generated stmts for SLP.
180 (new_stmt_vec_info): Initialize the new field.
181 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
182 statements marked as unvectorizable.
184 2010-04-25 Joseph Myers <joseph@codesourcery.com>
186 * c-common.c (flag_isoc1x): New.
187 (flag_isoc99): Update comment.
188 * c-common.h (flag_isoc1x): New.
189 (flag_isoc99): Update comment.
190 * c-cppbuiltin.c (builtin_define_float_constants): Also define
191 __<type>_DECIMAL_DIG__.
192 * c-opts.c (set_std_c1x): New.
193 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
194 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
195 * c.opt (-std=c1x, -std=gnu1x): New options.
196 * doc/cpp.texi: Mention -std=c1x.
197 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
198 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
199 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
200 * doc/standards.texi: Mention C1X.
201 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
202 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
203 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
206 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
208 * config/i386/gmon-sol2.c (_mcleanup): Change format string
209 placeholder from 0x%x to %#x.
210 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
211 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
212 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
213 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
214 * config/i386/i386.c (ix86_target_string): Ditto.
215 (output_pic_addr_const): Ditto.
216 (print_operand): Ditto.
218 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
220 * combine.c (find_split_point): Add third argument. Use it
221 to find nested multiply-accumulate instructions. Adjust calls.
222 (try_combine): Adjust call to find_split_point.
224 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
226 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
228 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
230 PR tree-optimization/41442
231 * fold-const.c (merge_truthop_with_opposite_arm): New function.
232 (fold_binary_loc): Call it.
234 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
236 * toplev.c (general_init): Set default for fdiagnostics-show-option.
237 * opts.c (common_handle_option): Allow disabling it.
238 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
240 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
242 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
243 between modes if both types are integral.
245 2010-04-23 Richard Guenther <rguenther@suse.de>
247 PR tree-optimization/43572
248 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
250 2010-04-23 Richard Guenther <rguenther@suse.de>
253 * tree-inline.c (tree_can_inline_p): Also check compatibility
256 2010-04-23 Martin Jambor <mjambor@suse.cz>
258 PR tree-optimization/43846
259 * tree-sra.c (struct access): New flag grp_assignment_read.
260 (build_accesses_from_assign): Set grp_assignment_read.
261 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
262 (enum mark_read_status): New type.
263 (analyze_access_subtree): Propagate grp_assignment_read, create
264 accesses also if both direct_read and root->grp_assignment_read.
266 2010-04-23 Martin Jambor <mjambor@suse.cz>
269 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
270 function does not have type attributes.
272 2010-04-23 Richard Guenther <rguenther@suse.de>
275 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
278 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
280 * sese.h (create_if_region_on_edge): Remove.
282 * sese.c (create_if_region_on_edge): Make static.
284 * tree-inline.c: Do not include ggc.h.
286 * expr.c: Do not include ggc.h.
288 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
291 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
294 * config/sh/sh.c (find_barrier): Don't emit a constant pool
295 in the middle of insns for casesi_worker_2.
297 2010-04-22 David Edelsohn <edelsohn@gnu.org>
299 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
301 2010-04-22 Ira Rosen <irar@il.ibm.com>
303 PR tree-optimization/43842
304 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
305 loop unrolling in update of exit phis. Fix comment.
306 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
307 least two reduction statements in the loop before starting SLP
310 2010-04-22 Nick Clifton <nickc@redhat.com>
312 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
314 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
316 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
319 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
321 * tree-parloops.c (loop_parallel_p): New argument
322 parloop_obstack. Pass it down.
323 (parallelize_loops): New variable parloop_obstack. Initialize it,
324 pass it down, free it.
326 * tree-loop-linear.c (linear_transform_loops): Pass down
329 * tree-data-ref.h (lambda_compute_access_matrices): New argument
330 of type struct obstack *.
332 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
333 scratch_obstack. Initialize it, pass down, free it.
335 * lambda.h (lambda_loop_new): Remove.
336 (lambda_matrix_new, lambda_matrix_inverse)
337 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
338 argument of type struct obstack *.
340 * lambda-trans.c (lambda_trans_matrix_new): New argument
341 lambda_obstack. Pass it down, use obstack allocation for ret.
342 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
345 * lambda-mat.c (lambda_matrix_get_column)
346 (lambda_matrix_project_to_null): Remove.
347 (lambda_matrix_new): New argument lambda_obstack. Use obstack
349 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
352 * lambda-code.c (lambda_loop_new): New function.
353 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
354 (lambda_compute_auxillary_space, lambda_compute_target_space)
355 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
356 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
357 (build_access_matrix): New argument lambda_obstack. Use obstack
359 (lambda_compute_step_signs, lambda_compute_access_matrices): New
360 argument lambda_obstack. Pass it down.
362 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
364 * optabs.h (expand_widening_mult): Declare.
366 2010-04-22 Richard Guenther <rguenther@suse.de>
368 PR tree-optimization/43845
369 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
370 lookup the CALL_EXPR function and arguments.
372 2010-04-22 Nick Clifton <nickc@redhat.com>
374 * config/stormy16/stormy16.c
375 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
376 * config/stormy16/stormy16.h: Tidy up formatting.
377 (DONT_USE_BUILTIN_SETJMP): Remove definition.
378 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
379 (ineqbranchsi): Delete pattern.
380 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
381 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
382 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
383 stormy16-lib2-ucmpsi2.c.
385 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
387 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
388 df_simulate_find_noclobber_defs as appropriate. Keep track of an
389 extra set merge_set_noclobber, and use it to relax the final test
391 * df.h (df_simulate_find_noclobber_defs): Declare.
392 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
394 (df_simulate_find_noclobber_defs): New function.
396 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
398 * config/i386/i386.md: Use {} around multi-line preparation statements.
400 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
402 * c-tree.h (push_init_level, pop_init_level, set_init_index)
403 (process_init_element): New argument of type struct obstack *.
405 * c-typeck.c (push_init_level, pop_init_level, set_designator)
406 (set_init_index, set_init_label, set_nonincremental_init)
407 (set_nonincremental_init_from_string, find_init_member)
408 (output_init_element, output_pending_init_elements)
409 (process_init_element): New argument braced_init_obstack. Pass it
411 (push_range_stack, add_pending_init): New argument
412 braced_init_obstack. Use obstack allocation.
414 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
415 braced_init_obstack. Pass it down.
416 (c_parser_braced_init): New variables ret, braced_init_obstack.
417 Initialize obstack, pass it down and finally free it.
419 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
422 * tree-pass.h (pass_optimize_widening_mul): Declare.
423 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
424 gate_optimize_widening_mul): New static functions.
425 (pass_optimize_widening_mul): New.
426 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
427 <case MULT_EXPR>: Remove support for widening multiplies.
428 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
429 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
430 simplify_gen_unary rather than directly building extensions.
431 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
433 * expmed.c (expand_widening_mult): New function.
434 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
436 2010-04-21 Jan Hubicka <jh@suse.cz>
438 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
439 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
440 * lto-wpa-fixup.c: Remove.
441 * Makefile.in (lto-wpa-fixup.o): Remove.
442 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
443 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
444 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
446 2010-04-21 Jan Hubicka <jh@suse.cz>
448 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
449 add write_optimization_summary, read_optimization_summary.
450 (ipa_write_summaries_of_cgraph_node_set): Remove.
451 (ipa_write_optimization_summaries): Declare.
452 (ipa_read_optimization_summaries): Declare.
453 * ipa-cp.c (pass_ipa_cp): Update.
454 * ipa-reference.c (pass_ipa_reference): Update.
455 * ipa-pure-const.c (pass_ipa_pure_const): Update.
456 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
458 * ipa-inline.c (pass_ipa_inline): Update.
459 * ipa.c (pass_ipa_whole_program): Update.
460 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
461 * passes.c (ipa_write_summaries_1): Do not test wpa.
462 (ipa_write_optimization_summaries_1): New.
463 (ipa_write_optimization_summaries): New.
464 (ipa_read_summaries): Do not test ltrans.
465 (ipa_read_optimization_summaries_1): New.
466 (ipa_read_optimization_summaries): New.
468 2010-04-21 Jan Hubicka <jh@suse.cz>
470 * lto-cgraph.c (lto_output_node): Do not output comdat groups
472 (output_cgraph): Do not arrange comdat groups for boundary nodes.
474 2010-04-21 Jakub Jelinek <jakub@redhat.com>
477 * dwarf2out.c (add_name_and_src_coords_attributes): Add
478 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
480 2010-04-21 Jan Hubicka <jh@suse.cz>
482 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
484 2010-04-21 Jan Hubicka <jh@suse.cz>
486 * varpool.c (decide_is_variable_needed): Variable is always needed
489 2010-04-21 Jan Hubicka <jh@suse.cz>
491 * opts.c (decode_options): Enable pure-const pass for whopr.
493 2010-04-21 Jan Hubicka <jh@suse.cz>
495 * cgraph.c (dump_cgraph_node): Dump also assembler name.
496 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
498 (cgraph_decide_inlining): Do not expect callee to be removed in all
501 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
503 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
505 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
507 * config/i386/i386.md (x86_shrd): Add athlon_decode and
508 amdfam10_decode attributes.
510 2010-04-21 Jakub Jelinek <jakub@redhat.com>
513 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
514 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
515 (lower_copyprivate_clauses): Use private var in outer
516 context instead of original var. Make sure the types
517 are correct for VLAs.
519 2010-04-21 Richard Guenther <rguenther@suse.de>
521 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
522 to non-pointer objects.
524 2010-04-21 Jakub Jelinek <jakub@redhat.com>
526 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
527 last chain entry if it starts with the still current label.
528 (add_location_or_const_value_attribute): Check that
529 loc_list->first->next is NULL instead of comparing ->first with ->last.
530 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
531 to add_var_loc_to_decl.
533 * dwarf2out.c (output_call_frame_info): For dw_cie_version
534 >= 4 add also address size and segment size fields into CIE header.
536 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
537 long as address size is the same as sizeof (void *) and
539 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
540 address size or segment size is unexpected, return DW_EH_PE_omit.
541 (classify_object_over_fdes): If get_cie_encoding returned
542 DW_EH_PE_omit, return -1.
543 (init_object): If classify_object_over_fdes returned -1,
544 pretend there were no FDEs at all.
546 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
548 * config/i386/i386.md (bswap<mode>2): Macroize expander from
549 bswap{si,di}2 using SWI48 mode iterator.
550 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
551 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
552 set modrm attribute of bswap insn to 0 and remove length attribute.
553 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
554 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
555 set mode attribute to <MODE> and remove length attribute.
557 2010-04-20 James E. Wilson <wilson@codesourcery.com>
559 PR rtl-optimization/43520
560 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
561 zero available registers.
563 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
565 * builtins.c (fold_builtin_cproj): Fold more cases.
567 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
569 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
570 (fold_builtin_1): Fold builtin cproj.
571 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
572 Use ATTR_CONST_NOTHROW_LIST.
574 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
576 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
577 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
578 ffsi2_no_cmove for !TARGET_CMOVE.
579 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
580 (ffssi2): Remove expander.
581 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
583 (ctz<mode>2): Ditto from ctz{si,di}2.
584 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
586 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
589 2010-04-20 Jakub Jelinek <jakub@redhat.com>
591 * dwarf2out.c (AT_linkage_name): Define.
592 (clone_as_declaration): Handle DW_AT_linkage_name.
593 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
594 of DW_AT_MIPS_linkage_name.
595 (move_linkage_attr): Likewise.
596 (dwarf2out_finish): Likewise.
598 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
601 * fold-const.c (fold_comparison): New folding rule.
603 2010-04-20 Anatoly Sokolov <aesok@post.ru>
605 * double-int.h (double_int_setbit): Declare.
606 * double-int.c (double_int_setbit): New function.
607 * rtl.h (immed_double_int_const): Declare.
608 * emit-rtl.c (immed_double_int_const): New function.
609 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
610 and immed_double_int_const functions.
611 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
612 expand_copysign_bit): (Ditto.).
613 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
614 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
615 * dojump.c (prefer_and_bit_test): (Ditto.).
616 * expr.c (convert_modes, reduce_to_bit_field_precision,
617 const_vector_from_tree): (Ditto.).
618 * expmed.c (mask_rtx, lshift_value): (Ditto.).
620 2010-04-20 Jan Hubicka <jh@suse.cz>
622 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
623 (dump_cgraph_node): Dump new flags.
624 * cgraph.h (struct cgraph_node): Add flags
625 reachable_from_other_partition and in_other_partition.
626 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
627 other partition can not be removed.
628 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
629 the other partition must be output; silence sanity checking on
630 leaking functions bodies from other paritition.
631 * lto-cgraph.c (reachable_from_other_partition_p): New function.
632 (lto_output_node): Output new flags; do not sanity check that inline
633 clones are output; drop lto_forced_extern_inline_p code; do not mock
634 visibility flags at partition boundaries.
635 (add_node_to): New function.
636 (output_cgraph): Use it to sort functions so masters appear before
638 (input_overwrite_node): Input new flags.
639 * passes.c (ipa_write_summaries): Do not call
640 lto_new_extern_inline_states.
641 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
642 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
643 lto_forced_extern_inline_p): Kill.
644 * lto-streamer.h (lto_new_extern_inline_states,
645 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
646 lto_forced_extern_inline_p): Kill.
648 2010-04-20 Richard Guenther <rguenther@suse.de>
650 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
651 from vars that can have pointers.
652 (process_constraint): Dump useless constraints.
654 2010-04-20 Richard Guenther <rguenther@suse.de>
656 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
657 (dump_sa_points_to_info): Remove asserts.
658 (init_base_vars): nothing_id isn't an escape point nor does it
661 2010-04-20 Jakub Jelinek <jakub@redhat.com>
663 * tree.h (TYPE_REF_IS_RVALUE): Define.
664 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
665 should_move_die_to_comdat, prune_unused_types_walk): Handle
666 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
667 (modified_type_die, gen_reference_type_die): Emit
668 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
669 if TYPE_REF_IS_RVALUE and -gdwarf-4.
671 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
674 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
675 calls for -fpic -m31 if they have been sibcall optimized.
677 2010-04-19 James E. Wilson <wilson@codesourcery.com>
679 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
680 ar.lc fixed and call-used.
682 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
684 2010-04-19 Jan Hubicka <jh@suse.cz>
686 * opts.c (decode_options): Disable whpr incompatible passes.
687 * lto/lto.c (lto_1_to_1_map): Skip clones.
688 (read_cgraph_and_symbols): Do not mark everything as needed.
689 (do_whole_program_analysis): Do map only after optimizing;
690 set proper cgraph_state; use passmanager.
692 2010-04-19 DJ Delorie <dj@redhat.com>
694 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
695 POINTER_PLUS_EXPR and fix them.
697 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
699 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
700 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
701 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
702 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
703 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
704 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
705 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
706 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
707 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
708 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
709 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
711 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
713 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
714 (check_cond_move_block): Likewise.
715 (cond_move_process_if_block): Likewise.
716 (noce_find_if_block): Improve formatting.
717 (find_if_header): Pass 0 to memset and tweak conditions.
718 (cond_exec_find_if_block): Fix long lines and tweak conditions.
720 2010-04-19 Jakub Jelinek <jakub@redhat.com>
722 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
726 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
727 with non-local decl doesn't need chain.
729 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
731 * ira-color.c (allocno_reload_assign): Avoid accumulating
732 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
734 2010-04-19 Martin Jambor <mjambor@suse.cz>
736 * gimple.h (create_tmp_reg): Declare.
737 * gimplify.c (create_tmp_reg): New function.
738 (gimplify_return_expr): Use create_tmp_reg.
739 (gimplify_omp_atomic): Likewise.
740 (gimple_regimplify_operands): Likewise.
741 * tree-dfa.c (make_rename_temp): Likewise.
742 * tree-predcom.c (predcom_tmp_var): Likewise.
743 (reassociate_to_the_same_stmt): Likewise.
744 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
745 (get_replaced_param_substitute): Likewise.
746 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
747 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
748 * tree-ssa-pre.c (get_representative_for): Likewise.
749 (create_expression_by_pieces): Likewise.
750 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
751 (create_tailcall_accumulator): Likewise.
753 2010-04-19 Martin Jambor <mjambor@suse.cz>
755 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
757 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
759 2010-04-19 Richard Guenther <rguenther@suse.de>
761 PR tree-optimization/43796
762 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
763 from SCEV in the lattice.
764 (vrp_visit_phi_node): Dump change.
766 2010-04-19 Richard Guenther <rguenther@suse.de>
768 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
769 * configure: Re-generated.
771 2010-04-19 Richard Guenther <rguenther@suse.de>
773 PR tree-optimization/43783
774 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
775 constant ARRAY_REF operands two and three if possible.
777 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
780 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
782 2010-04-19 Jie Zhang <jie@codesourcery.com>
785 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
787 2010-04-19 Ira Rosen <irar@il.ibm.com>
789 PR tree-optimization/37027
790 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
791 and macro to access it.
792 (vectorizable_reduction): Add argument.
793 (vect_get_slp_defs): Likewise.
794 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
795 statements for possible use in SLP.
796 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
797 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
798 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
800 (vectorizable_reduction): Likewise.
801 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
803 (vectorizable_type_demotion, vectorizable_type_promotion,
804 vectorizable_store): Likewise.
805 (vect_analyze_stmt): Update call to vectorizable_reduction.
806 (vect_transform_stmt): Likewise.
807 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
808 (vect_build_slp_tree): Fix indentation. Check that there are no loads
809 from different interleaving chains in same node.
810 (vect_slp_rearrange_stmts): New function.
811 (vect_supported_load_permutation_p): Allow load permutations for
812 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
813 inside SLP nodes if necessary.
814 (vect_analyze_slp_instance): Handle reductions.
815 (vect_analyze_slp): Try to build SLP instances originating from groups
817 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
818 (vect_get_constant_vectors): Create initial vectors for reductions
819 according to reduction code. Add new argument.
820 (vect_get_slp_defs): Add new argument, pass it to
821 vect_get_constant_vectors.
822 (vect_schedule_slp_instance): Remove SLP tree root statements.
824 2010-04-19 Jakub Jelinek <jakub@redhat.com>
826 * tree.h (ENUM_IS_SCOPED): Define.
827 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
828 for ENUM_IS_SCOPED enums.
830 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
832 * fold-const.c (fold_comparison): Use ssizetype.
833 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
834 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
835 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
836 * tree-object-size.c (compute_object_sizes): Use size_type_node.
838 * tree.h (initialize_sizetypes): Remove parameter.
839 (build_common_tree_nodes): Remove second parameter.
840 * stor-layout.c (initialize_sizetypes): Remove parameter.
841 Always create an unsigned type.
842 (set_sizetype): Assert that the passed type is unsigned and simplify.
843 * tree.c (build_common_tree_nodes): Remove second parameter.
844 Adjust call to initialize_sizetypes.
845 * c-decl.c (c_init_decl_processing): Remove second argument in call to
846 build_common_tree_nodes.
848 2010-04-18 Matthias Klose <doko@ubuntu.com>
850 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
852 2010-04-18 Ira Rosen <irar@il.ibm.com>
854 PR tree-optimization/43771
855 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
856 load permutation doesn't have gaps.
858 2010-04-18 Jan Hubicka <jh@suse.cz>
860 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
861 (sse_prologue_save_insn expander): Use new pattern.
862 (sse_prologue_save_insn1): New pattern and splitter.
863 (sse_prologue_save_insn): Update to deal also with 64bit aligned
865 * i386.c (setup_incoming_varargs_64): Do not compute jump
867 (ix86_gimplify_va_arg): Update alignment needed.
868 (ix86_local_alignment): Do not align all local arrays to 128bit.
870 2010-04-17 Jan Hubicka <jh@suse.cz>
872 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
874 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
876 * arm.md (negdi2): Remove redundant code to force values into a
879 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
881 * arm/bpabi.S: Add EABI alignment attributes to objects.
882 * arm/bpabi-v6m.S: Likewise.
883 * arm/crti.asm: Likewise.
884 * arm/crtn.asm: Likewise.
885 * arm/lib1funcs.asm: Likewise.
886 * arm/libunwind.S: Likewise.
888 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
890 * arm-protos.h (tune_params): New structure.
891 * arm.c (current_tune): New variable.
892 (arm_constant_limit): Delete.
893 (struct processors): Add pointer to the tune parameters.
894 (arm_slowmul_tune): New tuning option.
895 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
896 (all_cores): Adjust to pick up the tuning model.
897 (arm_constant_limit): New function.
898 (arm_override_options): Select the appropriate tuning model. Delete
899 initialization of arm_const_limit.
900 (arm_split_constant): Use the new constant-limit model.
901 (arm_rtx_costs): Pick up the current tuning model.
902 * arm.md (is_strongarm, is_xscale): Delete.
903 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
904 for Xscale variant architectures.
905 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
907 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
909 * config/arm/arm.c (arm_gen_constant): Remove unused variable
911 (arm_rtx_costs_1): Remove unused variable extra_cost.
912 (arm_unwind_emit_set): Use variable offset.
913 (thumb1_output_casesi): Remove unused variable flags.
915 2010-04-16 Jeff Law <law@redhat.com>
917 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
918 needing assignment rather than doing a two-phase assignment. Remove
921 2010-04-16 Jakub Jelinek <jakub@redhat.com>
924 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
926 2010-04-16 Doug Kwan <dougkwan@google.com>
928 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
929 (next_operand_entry_id): New static variable.
930 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
931 (add_to_ops_vec): Assigned unique ID to operand entry.
932 (struct oecount_s): New field ID.
933 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
934 (undistribute_ops_list): Assign unique IDs to oecounts.
935 (init_reassoc): reset next_operand_entry_id.
937 2010-04-16 Doug Kwan <dougkwan@google.com>
939 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
940 missing left parenthesis.
942 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
944 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
945 *btdi_rex64 using SWI48 mode iterator.
946 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
947 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
948 *jcc_btdi_mask_rex64.
950 2010-04-16 Anatoly Sokolov <aesok@post.ru>
952 * double-int.h (tree_to_double_int): Convert to macro.
953 * double-int.c (tree_to_double_int): Remove.
955 2010-04-16 Jakub Jelinek <jakub@redhat.com>
958 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
959 with want_address 2 and in case a single element list might be
960 possible, call it again with want_address 0.
962 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
964 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
965 case 'W' print operands for HI mode.
966 * config/h8300/h8300.h (Y0, Y2) : New constraints.
967 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
968 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
969 * config/h8300/predicate.md (bit_register_indirect_operand): New.
971 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
973 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
974 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
975 #xx:3 and #xx:4 mode.
977 * config/h8300/h8300.md (inverted load with HImode dest): Add
980 * config/h8300/predicate.md (bit_operand): Allow immediate values that
981 satisfy 'U' constraint.
983 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
985 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
986 * configure: Regenerate.
987 * config.in: Regenerate.
988 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
991 2010-04-16 Richard Guenther <rguenther@suse.de>
993 * tree.h (struct tree_decl_minimal): Move pt_uid ...
994 (struct tree_decl_common): ... here.
995 (DECL_PT_UID): Adjust.
996 (SET_DECL_PT_UID): Likewise.
997 (DECL_PT_UID_SET_P): Likewise.
999 2010-04-16 Richard Guenther <rguenther@suse.de>
1001 PR tree-optimization/43572
1002 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1003 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1004 * tree-flow.h (is_call_clobbered): Remove.
1005 * tree-flow-inline.h (is_call_clobbered): Likewise.
1006 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1007 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1008 (execute_return_slot_opt): Adjust.
1009 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1010 check for call clobbered vars here.
1011 (find_tail_calls): Move tailcall verification to the
1014 2010-04-16 Diego Novillo <dnovillo@google.com>
1016 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1018 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1021 * config/arm/arm.md (cbranchqi4): New pattern.
1022 * config/arm/predicates.md (const0_operand,
1023 cbranchqi4_comparison_operator): New predicates.
1025 2010-04-16 Richard Guenther <rguenther@suse.de>
1027 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1028 (dump_gimple_stmt): Likewise.
1030 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1032 * recog.h (struct recog_data): New field is_operator.
1033 (struct insn_operand_data): New field is_operator.
1034 * recog.c (extract_insn): Set recog_data.is_operator.
1035 * genoutput.c (output_operand_data): Emit code to set the
1037 * reload.c (find_reloads): Use it rather than testing for an
1038 empty constraint string.
1041 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1042 If the previous insn is a cbranchsi4_insn with the same arguments,
1043 omit the compare instruction.
1045 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1046 register, inputs must be low registers and we need a low register
1047 scratch. Handle alternative 2 like alternative 3.
1049 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1051 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1052 don't call get_addr on both. If one expression is a VALUE and
1053 the other a REG, check VALUE's locs if the REG isn't among them.
1055 2010-04-16 Christian Bruel <christian.bruel@st.com>
1057 * config/sh/sh.h (sh_frame_pointer_required): New function.
1058 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1059 (flag_omit_frame_pointer) Set.
1060 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1061 (rounded_frame_size): Adjust size with outgoing_args_size.
1062 (sh_set_return_address): Must return from stack pointer.
1063 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1064 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1065 (ACCUMULATE_OUTGOING_ARGS): Define.
1066 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1067 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1069 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1072 * config/sh/sh.c (sh_legitimize_reload_address): Use
1073 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1074 Remove a unneeded check for offset_base.
1076 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1078 * configure: Regenerated.
1080 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1082 * config/s390/s390.c (s390_call_save_register_used): Switch back
1083 to HARD_REGNO_NREGS.
1085 2010-04-15 Richard Guenther <rguenther@suse.de>
1087 * alias.c (alias_set_subset_of): Handle alias-set zero
1090 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1091 Julian Brown <julian@codesourcery.com>
1093 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1094 alternatives according to use of high and low regs.
1095 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1096 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1097 optimizing for size on Thumb-2.
1099 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1101 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1103 2010-04-15 Richard Guenther <rguenther@suse.de>
1105 * tree-ssa-structalias.c (struct variable_info): Add
1107 (new_var_info): Initialize it.
1108 (dump_constraints): Support printing last added constraints.
1109 (debug_constraints): Adjust.
1110 (dump_constraint_graph): Likewise.
1111 (make_heapvar_for): Check for NULL cfun.
1112 (get_function_part_constraint): New function.
1113 (get_fi_for_callee): Likewise.
1114 (find_func_aliases): Properly implement IPA PTA constraints.
1115 (process_ipa_clobber): New function.
1116 (find_func_clobbers): Likewise.
1117 (insert_into_field_list_sorted): Remove.
1118 (create_function_info_for): Properly allocate vars for IPA mode.
1119 Do not use insert_into_field_list_sorted.
1120 (create_variable_info_for): Properly generate constraints for
1121 global vars in IPA mode.
1122 (dump_solution_for_var): Always dump the solution.
1123 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1124 (find_what_var_points_to): Adjust.
1125 (pt_solution_set): Change.
1126 (pt_solution_ior_into): New function.
1127 (pt_solution_empty_p): Export.
1128 (pt_solution_includes_global): Adjust.
1129 (pt_solution_includes_1): Likewise.
1130 (pt_solutions_intersect_1): Likewise.
1131 (dump_sa_points_to_info): Check some invariants.
1132 (solve_constraints): Move constraint dumping ...
1133 (compute_points_to_sets): ... here.
1134 (ipa_pta_execute): ... and here.
1135 (compute_may_aliases): Do not re-compute points-to info
1136 locally if IPA info is available.
1137 (ipa_escaped_pt): New global var.
1138 (ipa_pta_execute): Properly implement IPA PTA.
1139 * tree-into-ssa.c (dump_decl_set): Support dumping
1140 decls not in referenced-vars.
1141 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1142 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1143 (dump_points_to_solution): Likewise.
1144 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1145 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1146 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1147 (copy_decl_to_var): Copy DECL_PT_UID.
1148 (copy_result_decl_to_var): Likewise.
1149 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1150 (copy_node_stat): Copy it.
1151 * tree.h (DECL_PT_UID): New macro.
1152 (SET_DECL_PT_UID): Likewise.
1153 (DECL_PT_UID_SET_P): Likewise.
1154 (struct tree_decl_minimal): Add pt_uid member.
1155 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1156 (pt_solution_empty_p): Declare.
1157 (pt_solution_set): Adjust.
1158 (ipa_escaped_pt): Declare.
1159 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1160 * gimple-pretty-print.c (pp_points_to_solution): New function.
1161 (dump_gimple_call): Dump call clobber/use information.
1162 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1163 * tree-pass.h (TDF_ALIAS): New dump option.
1164 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1165 * doc/invoke.texi (-fipa-pta): Update documentation.
1167 2010-04-15 Richard Guenther <rguenther@suse.de>
1169 * Makefile.in (OBJS-common): Add gimple-fold.o.
1170 (gimple-fold.o): New rule.
1171 * tree.h (maybe_fold_offset_to_reference,
1172 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1174 * gimple.h: ... here.
1175 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1176 may_propagate_address_into_dereference): Move prototypes ...
1177 * gimple.h: ... here.
1178 * tree-ssa-ccp.c (get_symbol_constant_value,
1179 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1180 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1181 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1182 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1183 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1184 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1185 gimplify_and_update_call_from_tree): Move ...
1186 * gimple-fold.c: ... here. New file.
1187 (ccp_fold_builtin): Rename to ...
1188 (gimple_fold_builtin): ... this.
1189 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1191 2010-04-15 Richard Guenther <rguenther@suse.de>
1193 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1194 fit_double_type, force_fit_type_double, add_double_with_sign,
1195 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1196 lrotate_double, rrotate_double, div_and_round_double): Move ...
1197 * double-int.c: ... here.
1198 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1199 add_double, neg_double, mul_double_with_sign, mul_double,
1200 lshift_double, rshift_double, lrotate_double, rrotate_double,
1201 div_and_round_double): Move prototypes ...
1202 * double-int.h: ... here.
1204 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1207 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1208 matching constraints to ensure inputs match the output.
1210 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1213 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1214 in an input-only operand.
1216 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1218 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1219 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1220 (double_int_negative_p): Convert to static inline function.
1221 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1222 (double_int_negative_p): Remove.
1223 * tree.h (lshift_double, rshift_double):
1224 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1225 * fold-const.c (fold_convert_const_int_from_real,
1226 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1227 (lshift_double): Change type of arith argument to bool.
1228 (rshift_double): Change type of arith argument to bool. Correct
1230 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1232 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1235 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1236 at the start and end of the then/else blocks, and omit them from the
1238 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1239 argument; all callers changed. Pass zero to old_insns_match_p instead.
1240 (flow_find_head_matching_sequence): New function.
1241 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1242 * basic-block.h (flow_find_cross_jump,
1243 flow_find_head_matching_sequence): Declare functions.
1245 2010-04-14 Jason Merrill <jason@redhat.com>
1248 * c-common.c (attribute_takes_identifier_p): New fn.
1249 * c-common.h: Declare it.
1251 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1253 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1255 (*udivmod<mode>4): Ditto.
1257 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1259 * config/i386/i386.md (maxmin_int): Rename code attribute from
1260 maxminiprefix and update all users.
1261 (maxmin_float): Ditto from maxminfprefix.
1262 (logic): Ditto from logicprefix.
1263 (absneg_mnemonic): Ditto from absnegprefix.
1264 * config/i386/mmx.md: Update all users of maxminiprefix,
1265 maxminfprefix and logicprefix for rename.
1266 * config/i386/sse.md: Ditto.
1267 * config/i386/sync.md (sync_<code><mode>): Update for
1270 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1273 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1274 warnings converted to errors.
1276 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1278 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1279 used insn_type variable.
1280 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1281 to avoid set-but-not-used warning.
1283 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1285 * df-core.c (df_ref_debug): Change format string placeholder
1287 * dwarf2asm.c (dw2_asm_output_data_raw,
1288 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1289 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1290 * dwarf2out.c (output_cfi, output_cfi_directive,
1291 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1292 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1294 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1295 * print-rtl.c (print_rtx): Ditto.
1297 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1300 * builtins.c (expand_builtin_pow_root): New function to expand pow
1301 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1302 series of sqrt and cbrt calls under -ffast-math.
1303 (expand_builtin_pow): Call it.
1305 2010-04-14 Michael Matz <matz@suse.de>
1307 PR tree-optimization/42963
1308 * tree-cfg.c (touched_switch_bbs): New static variable.
1309 (group_case_labels_stmt): New function broken out from ...
1310 (group_case_labels): ... here, use the above.
1311 (start_recording_case_labels): Allocate touched_switch_bbs.
1312 (end_recording_case_labels): Deallocate it, call
1313 group_case_labels_stmt.
1314 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1316 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1318 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1321 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1323 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1325 2010-04-13 Jan Hubicka <jh@suse.cz>
1327 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1328 of optimized out static functions.
1329 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1330 cost computation. Also sanity check for overflows.
1331 (update_caller_keys): Update cgraph_edge_badness call; properly
1332 update fibheap and sanity check that it is up to date.
1333 (add_new_edges_to_heap): Update cgraph_edge_badness.
1334 (cgraph_decide_inlining_of_small_function): Likewise;
1335 add sanity checking that badness in heap is up to date;
1336 improve dumping of reason; Update badness of calls to the
1337 offline copy of function currently inlined; dump badness
1338 of functions not inlined because of unit growth limits.
1340 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1343 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1344 because of sign-extension change when converting to sizetype here...
1345 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1347 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1348 the folding to constants. Remove redundant final conversion.
1349 (fold_binary) <associate>: Do not associate if the re-association of
1350 constants alone overflows.
1351 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1352 to the end of the list.
1353 (multiple_of_p) <COND_EXPR>: New case.
1355 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1357 * opt-functions.awk (opt_sanitized_name): New.
1359 * optc-gen.awk: Use it
1360 * opth-gen.awk: Use it.
1362 2010-04-13 Martin Jambor <mjambor@suse.cz>
1364 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1365 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1366 children. Call replace_uses_with_default_def_ssa_name to handle
1369 2010-04-13 Michael Matz <matz@suse.de>
1372 * builtins.c (expand_builtin_interclass_mathfn): Also create
1373 a register if the predicate doesn't match.
1375 2010-04-13 Diego Novillo <dnovillo@google.com>
1377 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1378 * c-pch.c: Include timevar.h.
1379 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1380 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1381 * ggc-common.c: Include timevar.h.
1382 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1383 * timevar.def (TV_PCH_SAVE): Define.
1384 (TV_PCH_CPP_SAVE): Define.
1385 (TV_PCH_PTR_REALLOC): Define.
1386 (TV_PCH_PTR_SORT): Define.
1387 (TV_PCH_RESTORE): Define.
1388 (TV_PCH_CPP_RESTORE): Define.
1390 2010-04-13 Michael Matz <matz@suse.de>
1392 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1394 (can_reassociate_p): New function.
1395 (break_up_subtract_bb, reassociate_bb): Use it.
1397 2010-04-13 Richard Guenther <rguenther@suse.de>
1400 * builtins.c (c_readstr): Fix assert.
1402 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1404 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1405 when generating cltd insn.
1407 (*ashl<mode>3_1): Remove special handling for register operand 2.
1408 (*ashlsi3_1_zext): Ditto.
1409 (*ashlhi3_1): Ditto.
1410 (*ashlhi3_1_lea): Ditto.
1411 (*ashlqi3_1): Ditto.
1412 (*ashlqi3_1_lea): Ditto.
1413 (*<shiftrt_insn><mode>3_1): Ditto.
1414 (*<shiftrt_insn>si3_1_zext): Ditto.
1415 (*<shiftrt_insn>qi3_1_slp): Ditto.
1416 (*<rotate_insn><mode>3_1): Ditto.
1417 (*<rotate_insn>si3_1_zext): Ditto.
1418 (*<rotate_insn>qi3_1_slp): Ditto.
1420 2010-04-13 Richard Guenther <rguenther@suse.de>
1422 * tree-ssa-structalias.c (callused_id): Remove.
1423 (call_stmt_vars): New.
1424 (get_call_vi): Likewise.
1425 (lookup_call_use_vi): Likewise.
1426 (lookup_call_clobber_vi): Likewise.
1427 (get_call_use_vi): Likewise.
1428 (get_call_clobber_vi): Likewise.
1429 (make_transitive_closure_constraints): Likewise.
1430 (handle_const_call): Adjust to do per-call call-used handling.
1431 (handle_pure_call): Likewise.
1432 (find_what_var_points_to): Remove general callused handling.
1433 (init_base_vars): Likewise.
1434 (init_alias_vars): Initialize call_stmt_vars.
1435 (compute_points_to_sets): Process call-used and call-clobbered
1436 vars for call statements.
1437 (delete_points_to_sets): Free call_stmt_vars.
1439 2010-04-13 Richard Guenther <rguenther@suse.de>
1441 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1442 Only add RW dependence for dependence distance zero.
1443 Adjust maximal vectorization factor according to dependences.
1444 Move alignment handling ...
1445 (vect_find_same_alignment_drs): ... here. New function.
1446 (vect_analyze_data_ref_dependences): Adjust.
1447 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1448 (vect_analyze_data_refs): Adjust minimal vectorization factor
1449 according to data references.
1450 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1451 dependences before determining the vectorization factor.
1452 Analyze alignment after determining the vectorization factor.
1453 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1454 dependences before alignment.
1455 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1457 (vect_analyze_data_refs): Likewise.
1458 (MAX_VECTORIZATION_FACTOR): New define.
1460 2010-04-13 Duncan Sands <baldrick@free.fr>
1462 * except.h (lang_eh_type_covers): Remove.
1463 * except.c (lang_eh_type_covers): Likewise.
1465 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1466 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1468 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1469 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1470 UNITS_PER_LONG where it is ABI relevant.
1471 (s390_return_addr_rtx): Likewise.
1472 (s390_back_chain_rtx): Likewise.
1473 (s390_frame_area): Likewise.
1474 (s390_frame_info): Likewise.
1475 (s390_initial_elimination_offset): Likewise.
1476 (save_gprs): Likewise.
1477 (s390_emit_prologue): Likewise.
1478 (s390_emit_epilogue): Likewise.
1479 (s390_function_arg_advance): Likewise.
1480 (s390_function_arg): Likewise.
1481 (s390_va_start): Likewise.
1482 (s390_gimplify_va_arg): Likewise.
1483 (s390_function_profiler): Likewise.
1484 (s390_optimize_prologue): Likewise.
1485 (s390_rtx_costs): Likewise.
1486 (s390_secondary_reload): Likewise.
1487 (s390_promote_function_mode): Likewise.
1488 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1489 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1490 registers available.
1491 (s390_unwind_word_mode): New function.
1492 (s390_function_value): Split 64 bit values into register pair if
1493 used as return value.
1494 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1495 function call parameters. Handle parallels.
1496 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1497 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1498 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1499 (s390_expand_setmem): Remove unused variable src_addr.
1500 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1501 deal with 64 bit registers.
1502 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1503 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1504 (UNITS_PER_LONG): New macro.
1505 * libjava/include/s390-signal.h: Define extended ucontext
1506 structure containing the upper halfs of the 64 bit registers.
1508 2010-04-13 Simon Baldwin <simonb@google.com>
1510 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1512 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1514 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1515 rvalue on the RHS if the LHS is of a non-renamable type.
1516 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1518 2010-04-13 Matthias Klose <doko@ubuntu.com>
1520 * gcc.c (cc1_options): Handle -iplugindir before processing
1521 the cc1 spec. Only add -iplugindir once.
1522 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1524 * common.opt (iplugindir): Remove `Separate' property, initialize.
1525 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1527 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1528 (distclean): Remove plugin dir.
1529 * doc/invoke.texi: Document -iplugindir.
1531 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1533 * doc/plugins.texi (Loading Plugins): Document short
1534 -fplugin=foo option.
1535 (Plugin API): Mention default_plugin_dir_name function.
1537 * gcc.c (find_file_spec_function): Add new declaration.
1538 (static_spec_func): Use it for "find-file".
1539 (find_file_spec_function): Add new function.
1540 (cc1_options): Add -iplugindir option if -fplugin* options found.
1542 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1544 * plugin.c (add_new_plugin): Updated comment, and handle short
1546 (default_plugin_dir_name): Added new function.
1548 * common.opt (iplugindir): New option to set the plugin directory.
1550 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1552 * config/i386/i386.md (any_rotate): New code iterator.
1553 (rotate_insn): New code attribute.
1555 (SWIM124): New mode iterator.
1556 (<rotate_insn>ti3): New expander.
1557 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1558 any_rotate code iterator.
1559 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1560 using any_rotate code iterator and SWIM124 mode iterator.
1561 (ix86_rotlti3): New insn_and_split pattern.
1562 (ix86_rotrti3): Ditto.
1563 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1564 ix86_rotl{di,ti}3 patterns.
1565 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1566 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1567 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1568 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1569 code iterator and SWI mode iterator.
1570 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1571 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1573 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1574 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1575 (bswap rotatert splitter): Add splitter.
1576 (bswap splitter): Macroize splitter using any_rotate code iterator.
1577 Add insn predicate to split only for TARGET_USE_XCHGB or when
1578 optimizing function for size.
1580 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1582 * config/pa/pa.c (emit_move_sequence): Remove use of
1583 deleted variable flag_argument_noalias.
1585 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1587 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1589 Add to unsupported targets list.
1590 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1591 sparc*-sun-solaris2.[567]* from target lists.
1592 * configure: Regenerate.
1593 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1595 Remove Solaris 7 patch references.
1596 (Specific, sparc-sun-solaris2.7): Removed.
1597 (sparc-sun-solaris2*): Update Solaris 7 example.
1598 (sparc64-*-solaris2*): Likewise.
1600 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1602 * config.build (alpha*-dec-osf4*): Remove.
1603 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1604 of obsolete configurations.
1605 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1607 * config/alpha/t-osf4: Renamed to ...
1608 * config/alpha/t-osf5: ... this.
1609 * config/alpha/osf.h: Renamed to ...
1610 * config/alpha/osf5.h: ... this.
1611 Merged old osf5.h contents.
1613 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1614 (EXTRA_SPECS): Removed.
1615 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1616 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1619 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1621 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1623 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1626 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1627 __thiscall convention.
1629 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1631 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1633 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1635 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1637 * function.c (assign_parms_initialize_all): Add unused attribute
1640 2010-04-12 Richard Guenther <rguenther@suse.de>
1642 * gsstruct.def (GSS_CALL): New.
1643 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1644 * gimple.h: Include tree-ssa-alias.h.
1645 (struct gimple_statement_call): New.
1646 (union gimple_statement_struct_d): Add gimple_call member.
1647 (gimple_call_reset_alias_info): Declare.
1648 (gimple_call_use_set): New function.
1649 (gimple_call_clobber_set): Likewise.
1650 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1651 * gimple.c (gimple_call_reset_alias_info): New function.
1652 (gimple_build_call_1): Call it.
1653 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1654 * tree-inline.c (remap_gimple_stmt): Likewise.
1655 (expand_call_inline): Remove callused handling.
1656 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1657 * tree-dfa.c (dump_variable): Likewise.
1658 * tree-parloops.c (parallelize_loops): Likewise.
1659 * tree-ssa.c (init_tree_ssa): Likewise.
1660 (delete_tree_ssa): Likewise.
1661 * tree-flow-inline.h (is_call_used): Remove.
1662 * tree-flow.h (struct gimple_df): Remove callused member.
1663 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1664 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1665 (ref_maybe_used_by_call_p_1): Simplify.
1666 (call_may_clobber_ref_p_1): Likewise.
1667 * tree-ssa-structalias.c (compute_points_to_sets): Set
1668 the call stmt used and clobbered sets.
1669 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1670 (find_tail_calls): Verify the tail call.
1672 2010-04-12 Richard Guenther <rguenther@suse.de>
1674 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1675 single-iteration always-inline inlining.
1676 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1677 (cgraph_decide_inlining): Do not handle always-inline specially.
1678 (try_inline): Remove always-inline cycle detection special case.
1679 Do not recurse on always-inlines.
1680 (cgraph_early_inlining): Do not iterate if not optimizing.
1681 (cgraph_gate_early_inlining): remove.
1682 (pass_early_inline): Run unconditionally.
1683 (gate_cgraph_decide_inlining): New function.
1684 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1685 not inlining or optimizing.
1686 (cgraph_decide_inlining_of_small_functions): Also consider
1687 always-inline functions.
1688 (cgraph_default_inline_p): Return true for nodes which should
1689 disregard inline limits.
1690 (estimate_function_body_sizes): Assume zero size and time for
1691 nodes which are marked as disregarding inline limits.
1692 (cgraph_decide_recursive_inlining): Do not perform recursive
1693 inlining on always-inline nodes.
1695 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1698 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1699 for exprs satisfying handled_component_p.
1701 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1703 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1704 non-constant aggregate elements.
1706 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1707 is a real initialization.
1709 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1712 * c-decl.c (start_function): Move forward check for nested function.
1714 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1716 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1717 * config/sh/sh.c: Include reload.h.
1718 (sh_legitimize_reload_address): New.
1719 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1720 sh_legitimize_reload_address.
1722 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1724 * config/sh/sh.md (*movqi_pop): New insn pattern.
1725 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1727 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1729 * config/i386/i386.md (any_shiftrt): New code iterator.
1730 (shiftrt_insn): New code attribute.
1732 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1733 using any_shiftrt code iterator.
1734 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1735 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1736 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1737 pattern from corresponding peephole2 patterns.
1738 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1739 using any_shiftrt code iterator.
1740 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1741 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1742 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1743 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1744 *{ashr,lshr}<mode>3_cmp_zext.
1745 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1747 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1749 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1751 (*lshr<mode>3_cconly): Ditto.
1753 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1755 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1756 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1757 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1758 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1760 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1761 from corresponding peephole2 patterns.
1762 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1763 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1764 and *lshrdi3_1_rex64 using SWI mode iterator.
1765 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1766 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1767 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1768 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1769 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1770 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1771 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1772 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1773 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1776 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1778 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1779 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1780 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1781 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1783 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1784 from corresponding peephole2 patterns.
1785 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1786 (ashrsi3_cvt): Rename from ashrsi3_31.
1787 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1788 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1789 and x86_64_shift_adj_3 using SWI48 mode iterator.
1790 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1791 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1792 and *ashrdi3_1_rex64 using SWI mode iterator.
1793 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1794 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1795 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1796 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1797 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1798 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1799 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1800 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1801 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1803 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1804 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1805 x86_shift<mode>_adj_3 expanders.
1807 2010-04-10 Wei Guozhi <carrot@google.com>
1810 * config/arm/arm.c (arm_pic_static_addr): New function.
1811 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1813 (arm_output_addr_const_extra): Output expression for new pattern.
1814 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1816 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1818 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1821 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1822 * web.c: Include "insn-config.h" and "recog.h".
1823 (union_match_dups): New function.
1824 (web_main): Call it.
1825 (union_defs): Don't try to recognize match_dups.
1827 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1828 if doing so would replace the entire pattern.
1830 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1834 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1835 and splitter pattern. Change splitter operand 1 predicate to
1838 2010-04-09 Martin Jambor <mjambor@suse.cz>
1840 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1841 lattices are addresses of CONST_DECLs with the same initial value.
1842 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1843 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1845 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1846 Bernd Schmidt <bernds@codesourcery.com>
1848 * loop-invariant.c (replace_uses): New static function.
1849 (move_invariant_reg): Use it to ensure we can replace the uses.
1851 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1853 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1855 (picochip_override_options): Enable section anchors only above -O1.
1856 (picochip_reorg): Fixed a couple of build warnings.
1858 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1860 * configure.ac (plugin -rdynamic test): Log result.
1861 * configure: Regenerate.
1862 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1863 (RDYNAMIC_SPEC): Define.
1864 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1866 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1868 * configure.ac: Determine Sun ld version numbers.
1869 (comdat_group): Restrict GNU ld version checks to gld.
1870 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1871 (enable_comdat): Support --enable-comdat.
1872 * configure: Regenerate.
1873 * doc/install.texi (Configuration): Document --enable-comdat.
1875 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1877 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1878 * config/sol2-gld.h: ... here.
1879 * config.gcc (sparc*-*-solaris2*): Reflect this.
1880 (i[34567]86-*-solaris2*): Use it.
1882 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1884 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1886 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1888 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1891 * diagnostic.c (diagnostic_initialize): Initialize
1892 some_warnings_are_errors.
1893 (diagnostic_finish): New.
1894 (diagnostic_action_after_output): Call it before exiting.
1895 (diagnostic_report_diagnostic): Do not print message here. Set
1896 some_warnings_are_errors.
1897 * diagnostic.h (diagnostic_context): Delete
1898 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1899 (diagnostic_finish): Declare.
1900 * toplev.c (toplev_main): Call it before exit.
1902 2010-04-09 Jason Merrill <jason@redhat.com>
1905 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1906 for incomplete type.
1909 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1910 based on a warning flag.
1912 2010-04-09 Richard Guenther <rguenther@suse.de>
1914 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1916 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1919 * varasm.c (default_assemble_visibility): Wrap vars that are
1920 set, but unused, by targets without GAS.
1921 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1922 Remove set, but unused, vars.
1923 (rs6000_legitimize_tls_address): Likewise.
1924 (altivec_expand_dst_builtin): Likewise.
1925 * config/darwin.c (machopic_classify_symbol): Likewise.
1926 (machopic_indirection_name): Likewise.
1928 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1930 * config/i386/i386.md (DWI): New mode iterator.
1931 (S): New mode attribute.
1932 (shift_operand): Ditto.
1933 (shift_immediate_operand): Ditto.
1934 (ashl_input_operand): Ditto.
1935 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1936 using SDWIM mode iterator.
1937 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1938 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1940 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1941 from corresponding peephole2 patterns.
1942 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1943 and x86_64_shift_adj_1 using SWI48 mode iterator.
1944 (x86_shift<mode>_adj_2): Ditto.
1945 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1946 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1947 using SWI48 mode iterator.
1948 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1949 *ashldi3_cmp_rex64 using SWI mode iterator.
1950 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1951 *ashldi3_cconly_rex64 using SWI mode iterator.
1952 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1953 x86_shift<mode>_adj_{1,2}.
1954 (ix86_split_ashr): Ditto.
1955 (ix86_split_lshr): Ditto.
1957 2010-04-09 Richard Guenther <rguenther@suse.de>
1959 * target.h (builtin_conversion): Pass in input and output types.
1960 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1961 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1962 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1963 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1965 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1967 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1969 2010-04-09 Richard Guenther <rguenther@suse.de>
1972 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1974 2010-04-09 Richard Guenther <rguenther@suse.de>
1976 * tree-vectorizer.h (struct _stmt_vec_info): Document
1977 that vectype is the type of the LHS.
1978 (supportable_widening_operation, supportable_narrowing_operation):
1979 Get both input and output vector types as arguments.
1980 (vect_is_simple_use_1): Declare.
1981 (get_same_sized_vectype): Likewise.
1982 * tree-vect-loop.c (vect_determine_vectorization_factor):
1983 Set STMT_VINFO_VECTYPE to the vector type of the def.
1984 (vectorizable_reduction): Adjust.
1985 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1986 Adjust. Specify the output vector type.
1987 (vect_pattern_recog_1): Adjust.
1988 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1989 (vectorizable_call): Adjust.
1990 (vectorizable_conversion): Likewise.
1991 (vectorizable_operation): Likewise.
1992 (vectorizable_type_demotion): Likewise.
1993 (vectorizable_type_promotion): Likewise.
1994 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1996 (vect_is_simple_use_1): New function.
1997 (supportable_widening_operation): Get both input and output
1999 (supportable_narrowing_operation): Likewise.
2000 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2002 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2004 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2005 __thiscall and _thiscall as predefined macros.
2006 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2007 thiscall attribute handling.
2008 (ix86_comp_type_attributes): Likewise.
2009 (ix86_function_regparm): Likewise.
2010 (ix86_return_pops_args): Likewise.
2011 (init_cumulative_args): Likewise.
2012 (find_drap_reg): Likewise.
2013 (ix86_static_chain): Likewise.
2014 (x86_this_parameter): Likewise.
2015 (x86_output_mi_thunk): Likewise.
2016 (ix86_attribute_table): Add description for thiscall attribute.
2017 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2018 * doc/extend.texi: Add documentation for thiscall.
2020 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2023 * c.opt (Wint-to-pointer-cast): Available in C++.
2024 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2026 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2028 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2029 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2030 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2031 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2032 function type instead. Reorder and simplify checks.
2034 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2036 2010-04-08 Jing Yu <jingyu@google.com>
2037 Zdenek Dvorak <ook@ucw.cz>
2039 PR tree-optimization/42720
2040 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2041 loop unswitch conditions here from ...
2042 (tree_unswitch_single_loop): ... here.
2044 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2046 * tree-if-conv.c: Fix comments and simplify logic.
2048 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2050 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2051 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2052 (main_tree_if_conversion): Update call to tree_if_conversion.
2054 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2057 * doc/invoke.texi (-b,-V): Delete.
2058 * doc/tm.texi: Do not mention -b.
2059 * gcc.c (display_help): Delete -b and -V.
2060 (process_command): Delete -b and -V.
2061 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2063 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2064 Wolfgang Gellerich <gellerich@de.ibm.com>
2066 Implement target hook for loop unrolling
2067 * target.h (loop_unroll_adjust): Add a new target hook function.
2068 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2069 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2070 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2071 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2072 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2074 (decide_unroll_stupid): Likewise.
2076 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2079 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2081 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2083 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2084 (Specific, *-*-solaris2*): Likewise.
2085 Don't prefer Sun as over GNU as.
2087 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2089 * config/s390/s390.c (override_options): Adjust the z10
2090 defaults for max-unroll-times, max-completely-peeled-insns
2091 and max-completely-peel-times.
2093 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2095 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2096 instructions for z10.
2097 (s390_expand_setmem): Likewise.
2098 (s390_expand_cmpmem): Likewise.
2100 2010-04-08 Richard Guenther <rguenther@suse.de>
2102 PR tree-optimization/43679
2103 * tree-ssa-pre.c (eliminate): Only propagate copies.
2105 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2108 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2109 set but not used variable warning.
2111 2010-04-08 Wei Guozhi <carrot@google.com>
2114 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2115 (arm_size_rtx_costs): Call the new function when optimized for size.
2117 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2120 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2121 op0 is not a MEM, just return NULL instead of assertion
2123 (discover_nonconstant_array_refs): Don't walk debug stmts.
2125 2010-04-08 Doug Kwan <dougkwan@google.com>
2127 * configure.ac: Recognize gold and do not use its version number
2128 to test ld features.
2129 * configure: Regenerate.
2131 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2134 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2135 (negate_value): Move code to push elements to broken_up_substracts ...
2136 (eliminate_plus_minus_pair): ... here. Push operands that have no
2137 negative pair to plus_negates.
2138 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2140 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2142 * doc/install.texi (Configuration): Move description of
2143 --enable-lto, --with-libelf*, --enable-gold from Java section to
2146 * doc/generic.texi (Working with declarations)
2147 (Function Properties, C and C++ Trees): Fix typos.
2148 * doc/sourcebuild.texi (Top Level): Likewise.
2150 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2153 * tree.h (DECL_READ_P): Define.
2154 (struct tree_decl_common): Add decl_read_flag.
2155 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2156 a set but not used warning.
2157 (merge_decls): Merge DECL_READ_P flag.
2158 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2159 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2160 * c-common.c (handle_used_attribute, handle_unused_attribute):
2162 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2164 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2166 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2167 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2168 c_parser_binary_expression, c_parser_cast_expression,
2169 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2170 Call default_function_array_read_conversion instead of
2171 default_function_array_conversion where needed.
2172 (c_parser_unary_expression, c_parser_conditional_expression,
2173 c_parser_postfix_expression_after_primary, c_parser_initelt):
2174 Likewise. Call mark_exp_read where needed.
2175 (c_parser_statement_after_labels, c_parser_asm_operands,
2176 c_parser_typeof_specifier, c_parser_sizeof_expression,
2177 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2179 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2181 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2182 (warn_unused_but_set_parameter): Default to warn_unused
2184 * doc/invoke.texi: Document -Wunused-but-set-variable and
2185 -Wunused-but-set-parameter.
2187 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2188 used count variable.
2189 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2190 when operandN variables aren't used in the body of the expander
2192 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2193 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2194 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2195 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2196 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2197 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2198 * tree.c (PROCESS_ARG): Likewise.
2200 2010-04-07 Simon Baldwin <simonb@google.com>
2202 * diagnostic.h (diagnostic_override_option_index): New macro to
2203 set a diagnostic's option_index.
2204 * c-tree.h (c_cpp_error): Add warning reason argument.
2205 * opts.c (_warning_as_error_callback): New.
2206 (register_warning_as_error_callback): Store callback for
2207 warnings enabled via enable_warning_as_error.
2208 (enable_warning_as_error): Call callback, minor code tidy.
2209 * opts.h (register_warning_as_error_callback): Declare.
2210 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2211 response to -Werror=.
2212 (c_common_init_options): Register warning_as_error_callback in opts.c.
2213 * common.opt: Add -Wno-cpp option.
2214 * c-common.c (struct reason_option_codes_t): Map cpp warning
2215 reason codes to gcc option indexes.
2216 * (c_option_controlling_cpp_error): New function, lookup the gcc
2217 option index for a cpp warning reason code.
2218 * (c_cpp_error): Add warning reason argument, call
2219 c_option_controlling_cpp_error for diagnostic_override_option_index.
2220 * doc/invoke.texi: Document -Wno-cpp.
2222 2010-04-07 Richard Guenther <rguenther@suse.de>
2224 * ipa-reference.c (mark_load): Use get_base_address.
2225 (mark_store): Likewise.
2227 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2228 inserting GIMPLE_NOPs into the IL.
2229 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2230 Explicitly strip handled components and indirect references.
2232 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2233 folding address expressions.
2234 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2235 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2236 operand_equal_p to compare decls.
2237 (ptr_deref_may_alias_decl_p): Likewise.
2238 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2239 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2240 Handle reversed comparison ops.
2241 * tree-sra.c (asm_visit_addr): Use get_base_address.
2242 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2243 * ipa-reference.c (mark_address): Use get_base_address.
2245 2010-04-07 Richard Guenther <rguenther@suse.de>
2247 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2248 Propagate constants everywhere.
2250 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2253 * tree.c (MAX_INT_CACHED_PREC): Define.
2254 (nonstandard_integer_type_cache): New array.
2255 (build_nonstandard_integer_type): Cache results for precision
2256 <= MAX_INT_CACHED_PREC.
2258 2010-04-07 Richard Guenther <rguenther@suse.de>
2260 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2261 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2262 * common.opt: Likewise.
2263 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2264 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2265 (nonoverlapping_memrefs_p): Likewise.
2266 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2267 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2268 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2269 OPT_fargument_noalias_global for backward compatibility.
2271 2010-04-07 Richard Guenther <rguenther@suse.de>
2273 PR tree-optimization/43270
2274 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2275 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2276 * tree-ssa-pre.c (phi_translate_1): Adjust.
2277 (fully_constant_expression): Split out vn_reference handling to ...
2278 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2279 Fold reads from constant strings.
2280 (vn_reference_lookup): Handle fully constant references.
2281 (vn_reference_lookup_pieces): Likewise.
2282 * Makefile.in (expmed.o-warn): Add -Wno-error.
2284 2010-04-07 Martin Jambor <mjambor@suse.cz>
2286 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2288 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2291 * gcc.c: Add -static-libstdc++ to list of recognized options.
2293 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2295 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2297 2010-04-07 Richard Guenther <rguenther@suse.de>
2300 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2301 bases build simple mem attributes to retain points-to information.
2303 2010-04-07 Richard Guenther <rguenther@suse.de>
2306 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2307 preserve points-to related information.
2309 2010-04-07 Richard Guenther <rguenther@suse.de>
2312 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2313 discard plain indirect references.
2314 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2315 * tree.c (tree_nop_conversion): Likewise.
2317 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2320 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2322 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2324 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2325 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2327 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2329 * tree-if-conv.c: Fix indentation and comments.
2331 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2333 * tree-if-conv.c: Sort static functions in topological order.
2335 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2337 * tree-if-conv.c: Fix indentation and comments.
2339 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2342 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2343 lang_hooks.types.type_for_size instead of
2344 build_nonstandard_integer_type.
2345 When converting an unsigned type to signed, double its precision.
2346 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2347 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2348 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2351 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2354 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2355 POINTER_PLUS_EXPR for pointer types.
2357 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2360 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2361 * graphite-clast-to-gimple.c: Include langhooks.h.
2362 (max_signed_precision_type): New.
2363 (max_precision_type): Takes two types as arguments.
2364 (precision_for_value): New.
2365 (precision_for_interval): New.
2366 (gcc_type_for_interval): New.
2367 (gcc_type_for_value): New.
2368 (gcc_type_for_clast_term): New.
2369 (gcc_type_for_clast_red): New.
2370 (gcc_type_for_clast_bin): New.
2371 (gcc_type_for_clast_expr): Split up into several functions.
2372 (gcc_type_for_clast_eq): Rewritten.
2373 (compute_bounds_for_level): New.
2374 (compute_type_for_level_1): New.
2375 (compute_type_for_level): New.
2376 (gcc_type_for_cloog_iv): Removed.
2377 (gcc_type_for_iv_of_clast_loop): Rewritten.
2378 (graphite_create_new_loop): Compute the lower and upper bound types
2379 with gcc_type_for_clast_expr.
2380 (graphite_create_new_loop_guard): Same.
2381 (find_cloog_iv_in_expr): Removed.
2382 (compute_cloog_iv_types_1): Removed.
2383 (compute_cloog_iv_types): Removed.
2384 (gloog): Do not call compute_cloog_iv_types.
2385 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2387 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2388 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2389 (GBB_CLOOG_IV_TYPES): Removed.
2391 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2393 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2394 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2395 (detect_commutative_reduction): Same.
2397 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2399 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2400 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2402 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2403 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2404 (rewrite_commutative_reductions_out_of_ssa): Same.
2405 * passes.c (execute_function_todo): Call verify_ssa for every pass
2406 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2407 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2408 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2409 with an extra argument.
2410 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2411 verify_ssa only when the extra argument is true.
2412 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2413 with an extra argument.
2414 (tree_transform_and_unroll_loop): Same.
2416 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2418 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2419 for all the passes of the LNO having LOOP_CLOSED_SSA.
2420 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2421 * tree-loop-distribution.c (pass_loop_distribution): Same.
2422 * tree-pass.h (TODO_verify_loops): Removed.
2423 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2425 (pass_tree_unswitch): Same.
2426 (pass_predcom): Same.
2427 (pass_vectorize): Same.
2428 (pass_linear_transform): Same.
2429 (pass_graphite_transforms): Same.
2430 (pass_iv_canon): Same.
2431 (pass_complete_unroll): Same.
2432 (pass_complete_unrolli): Same.
2433 (pass_parallelize_loops): Same.
2434 (pass_loop_prefetch): Same.
2435 (pass_iv_optimize): Same.
2437 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2440 * passes.c (init_optimization_passes): Move pass_lim before
2441 pass_copy_prop and pass_dce_loop.
2443 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2446 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2447 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2448 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2449 MULTI_* defines for 4 argument vpermil2p* builtins.
2451 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2453 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2454 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2455 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2456 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2457 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2458 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2459 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2460 Use x86_maybe_negate_const_int to output insn mnemonic.
2461 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2462 check from instruction predicate. Update comments.
2463 * config/i386/sync.md (sync_add<mode>): Use
2464 x86_maybe_negate_const_int to output insn mnemonic.
2466 2010-04-06 Jan Hubicka <jh@suse.cz>
2468 PR tree-optimization/42906
2469 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2470 IGNORE_SELF argument. Set visited_control_parents for fully
2472 (find_obviously_necessary_stmts): Update call of
2473 mark_control_dependent_edges_necessary.
2474 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2476 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2478 * config/i386/i386.md: Remove comment about 'e' and 'E'
2481 2010-04-06 Richard Guenther <rguenther@suse.de>
2483 PR tree-optimization/43627
2484 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2485 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2488 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2490 * BASE-VER: Change to 4.6.0.
2493 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2496 2010-04-06 Richard Guenther <rguenther@suse.de>
2499 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2501 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2503 * doc/invoke.texi (Optimize Options): Document that LTO
2504 won't remove object access purely due to incompatible
2507 2010-04-04 Matthias Klose <doko@ubuntu.com>
2509 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2510 Initialize variable.
2512 2010-04-03 Richard Guenther <rguenther@suse.de>
2515 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2516 require a non-NULL MEM_OFFSET.
2518 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2520 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2521 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2522 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2523 config/alpha/predicates.md, config/arm/arm.md,
2524 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2525 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2526 config/darwin9.h, config/darwin.c, config/darwin.h,
2527 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2528 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2529 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2530 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2531 config/mips/mips.md, config/mn10300/mn10300.c,
2532 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2533 config/rs6000/aix.h, config/rs6000/dfp.md,
2534 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2535 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2536 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2537 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2538 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2539 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2540 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2541 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2542 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2543 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2544 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2545 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2546 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2547 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2548 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2549 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2550 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2551 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2552 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2553 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2554 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2555 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2556 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2557 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2558 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2559 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2560 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2561 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2562 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2563 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2564 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2565 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2566 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2567 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2568 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2569 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2571 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2574 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2575 * aclocal.m4: Regenerate.
2577 2010-04-02 Richard Guenther <rguenther@suse.de>
2579 PR tree-optimization/43629
2580 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2581 if we have seen a constant value.
2583 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2585 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2587 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2590 * arm.c (legitimize_tls_address): Adjust call to
2591 gen_tls_load_dot_plus_four.
2592 (arm_note_pic_base): New function.
2593 (arm_cannot_copy_insn_p): Use it.
2594 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2597 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2602 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2604 * Makefile.in ($(out_object_file)): Depend on
2605 gt-$(basename $(notdir $(out_file))).h.
2607 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2609 * config.gcc (lm32-*-rtems*): Add t-lm32.
2611 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2613 * config.gcc: Add lm32-*-rtems*.
2614 * config/lm32/rtems.h: New file.
2616 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2619 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2621 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2623 * dwarf2out.c (output_compilation_unit_header): For
2624 -gdwarf-4 use version 4 instead of version 3.
2625 (output_line_info): For version 4 and above emit additional
2626 maximum ops per insn header field.
2627 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2629 * dwarf2out.c (is_c_family, is_java): Remove.
2630 (lower_bound_default): New function.
2631 (add_bound_info, gen_descr_array_type_die): Use it.
2633 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2636 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2637 re-declaration when it happens in a function.
2639 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2641 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2642 (cgraph_remove_function_insertion_hook): Same.
2643 (cgraph_call_function_insertion_hooks): Same.
2645 2010-04-01 Richard Guenther <rguenther@suse.de>
2648 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2649 and TREE_THIS_VOLATILE.
2650 (copy_ref_info): Likewise.
2651 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2652 * tree.c (build6_stat): Ignore side-effects of all but arg5
2653 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2656 2010-04-01 Richard Guenther <rguenther@suse.de>
2658 PR tree-optimization/43607
2659 * ipa-type-escape.c (check_call): Do not access non-existing
2662 2010-04-01 Richard Guenther <rguenther@suse.de>
2666 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2667 Jack Howarth <howarth@bromo.med.uc.edu>
2669 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2672 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2674 * doc/install.texi (Prerequisites): Document libelf usability on
2675 IRIX 5/6 and Solaris 2.
2676 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2677 Update GNU as, GNU ld requirements.
2678 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2679 Document Sun Studio compiler download.
2680 Update and simplify as, ld recommendations.
2681 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2683 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2685 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2686 with_tune_32 to pentium4.
2688 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2690 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2692 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2694 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2695 obsoletion, removal.
2697 Document GNU as requirement.
2698 Update configure requirements.
2699 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2700 Recomment IRIX 6.5.18+.
2701 Document IDF/IDL requirement.
2702 Document GNU as requirement.
2703 Document GNU ld bootstrap failure.
2704 Remove freeware.sgi.com reference.
2706 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2708 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2709 UNIX V4.0, V5.0 obsoletion, removal.
2710 Remove --with-gc=simple reference.
2711 Update VM requirements during bootstrap.
2712 Remove -oldas bootstrap description.
2713 Update binutils reference.
2714 Remove comparison failure note.
2716 2010-03-31 Richard Guenther <rguenther@suse.de>
2717 Zdenek Dvorak <ook@ucw.cz>
2718 Sebastian Pop <sebastian.pop@amd.com>
2721 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2722 with multiple arguments.
2723 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2725 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2727 * graphite-dependences.c (print_pddr): Call print_pdr with an
2729 * graphite-poly.c (debug_pdr): Add an extra argument for the
2732 (print_pbb_domain): Same.
2734 (print_scop_context): Same.
2736 (print_cloog): Same.
2737 (debug_pbb_domain): Same.
2741 (debug_scop_context): Same.
2743 (debug_cloog): Same.
2744 (print_scop_params): Same.
2745 (debug_scop_params): Same.
2746 (print_iteration_domain): Same.
2747 (print_iteration_domains): Same.
2748 (debug_iteration_domain): Same.
2749 (debug_iteration_domains): Same.
2750 (print_scattering_function): Same.
2751 (print_scattering_functions): Same.
2752 (debug_scattering_function): Same.
2753 (debug_scattering_functions): Same.
2754 * graphite-poly.h (debug_pdr): Update declaration.
2756 (print_pbb_domain): Same.
2758 (print_scop_context): Same.
2760 (print_cloog): Same.
2761 (debug_pbb_domain): Same.
2765 (debug_scop_context): Same.
2767 (debug_cloog): Same.
2768 (print_scop_params): Same.
2769 (debug_scop_params): Same.
2770 (print_iteration_domain): Same.
2771 (print_iteration_domains): Same.
2772 (debug_iteration_domain): Same.
2773 (debug_iteration_domains): Same.
2774 (print_scattering_function): Same.
2775 (print_scattering_functions): Same.
2776 (debug_scattering_function): Same.
2777 (debug_scattering_functions): Same.
2779 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2781 * graphite-poly.c (print_scattering_function_1): New.
2782 (print_scattering_function): Call it.
2783 (print_scop_params): Remove spaces at the end of lines.
2786 * graphite-poly.h (print_cloog): Declared.
2787 (debug_cloog): Declared.
2789 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2791 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2793 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2794 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2795 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2796 to switch between adding the IV bump in loop->latch or in loop->header.
2798 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2800 * graphite-poly.c (print_scattering_function): Pretty print following
2803 (print_pbb_domain): Same.
2804 (dump_gbb_cases): Same.
2805 (dump_gbb_conditions): Same.
2808 (print_scop_params): Same.
2809 (print_scop_context): Same.
2811 (print_pbb_body): New.
2812 (lst_indent_to): New.
2813 (print_lst): Start new lines with a #.
2814 * graphite-poly.h (pbb_bb): New.
2815 (pbb_index): Use pbb_bb.
2816 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2818 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2820 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2822 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2823 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2824 and 0 instead of 1 for dw_val_class_flag.
2825 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2826 dw_val_class_range_list, dw_val_class_loc_list,
2827 dw_val_class_lineptr and dw_val_class_macptr, use
2828 DW_FORM_flag_present for dw_val_class_flag and
2829 DW_FORM_exprloc for dw_val_class_loc.
2830 (output_die): For -gdwarf-4 print dw_val_class_loc
2831 size as uleb128 instead of 1 or 2 bytes and don't print
2832 anything for dw_val_class_flag.
2834 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2835 instead of cselib_lookup following by tweaking locs->setting_insn.
2838 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2839 even before returning from label, setjmp call or volatile asm
2842 2010-03-31 Richard Guenther <rguenther@suse.de>
2845 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2846 temporary data on stack.
2848 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2850 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2851 (PUSHSECTION_ASM_OP): Remove.
2852 (POPSECTION_ASM_OP): Remove.
2853 (PUSHSECTION_FORMAT): Remove.
2854 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2855 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2856 * config/sol2.c (solaris_output_init_fini): Use it.
2858 2010-03-31 Jie Zhang <jie@codesourcery.com>
2861 * opt-functions.awk (var_type_struct): Use signed char type
2862 for simple variables.
2864 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2866 * config/sol2.c: Include output.h.
2867 (solaris_assemble_visibility): New function.
2868 * config/t-sol2 (sol2.o): Add output.h dependency.
2869 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2870 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2873 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2876 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2877 V2SImode or XFmode on PRE_DEC.
2880 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2883 2010-03-31 Jie Zhang <jie@codesourcery.com>
2886 * reload.h (caller_save_initialized_p): Declare.
2887 * toplev.c (backend_init_target): Don't call
2888 init_caller_save but set caller_save_initialized_p to false.
2889 * caller-save.c (caller_save_initialized_p): Define.
2890 (init_caller_save): Check caller_save_initialized_p.
2891 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2893 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2896 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2897 and soft-fp/t-softfp to tmake_file.
2898 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2899 (LIBGCC2_TF_CEXT): Define.
2902 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2905 * cselib.c (n_useless_values): Document handling of debug locs.
2906 (n_useless_debug_values, n_debug_values): New variables.
2907 (new_elt_loc_list): Don't add to debug values, keep count.
2908 (promote_debug_loc): New.
2909 (cselib_reset_table): Zero new variables.
2910 (entry_and_rtx_equal_p): Promote debug locs.
2911 (discard_useless_locs): Increment n_useless_debug_values for
2913 (remove_useless_values): Adjust n_useless_values and n_debug_values
2914 with n_useless_debug_values.
2915 (add_mem_for_addr): Promote debug locs.
2916 (cselib_lookup_mem): Likewise.
2917 (cselib_lookup_addr): Renamed to...
2918 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2919 (cselib_log_lookup): ... this. Turn into...
2920 (cselib_lookup_addr): ... new wrapper.
2921 (cselib_lookup_from_insn): New.
2922 (cselib_invalidate_regno): Increment n_useless_debug_values for
2924 (cselib_invalidate_mem): Likewise.
2925 (cselib_process_insn): Take n_deleted and n_debug_values into
2926 account to guard remove_useless_value call.
2927 (cselib_finish): Zero n_useless_debug_values.
2928 * cselib.h (cselib_lookup_from_insn): Declare.
2929 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2930 (sched_analyze_2): Likewise.
2932 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2934 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2936 (adjust_mems): Replace narrowing SUBREG of expression containing
2937 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2938 with operations in the narrower mode.
2941 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2942 regs_invalidated_by_call instead all call_used_reg_set registers.
2944 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2947 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2948 pointer comparisons with types_compatible_p.
2949 * tree-vect-stmts.c (vectorizable_call): Same.
2950 (vectorizable_condition): Same.
2952 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2954 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2955 stack check if the mask would be zero.
2957 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2958 Jack Howarth <howarth@bromo.med.uc.edu>
2960 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2963 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2966 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2968 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2969 Include ___unordxf2 and ___unordtf2.
2970 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2973 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2975 * config/lm32/t-lm32: New file.
2976 * config.gcc: Use the above file when targetting lm32.
2978 2010-03-28 Duncan Sands <baldrick@free.fr>
2980 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2982 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2985 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2986 Improve vectorization cost model diagnostic.
2988 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2991 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2992 compute_data_dependences_for_loop returns false, early exit
2993 and output an extra diagnostic for the failed data reference
2996 2010-03-29 Richard Guenther <rguenther@suse.de>
2998 PR tree-optimization/43560
2999 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3000 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3002 2010-03-29 Jie Zhang <jie@codesourcery.com>
3005 * toplev.c (process_options): Set optimization_default_node
3006 and optimization_current_node.
3007 * opts.c (decode_options): Don't set optimization_default_node
3008 and optimization_current_node.
3010 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3012 * config/rtems.h: Abandon -qrtems_debug.
3014 2010-03-28 Jan Hubicka <jh@suse.cz>
3016 PR tree-optimization/43505
3017 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3018 map should not be copied.
3020 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3023 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3024 cdtors, set DECL_PRESERVE_P.
3025 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3028 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3030 PR tree-optimization/43528
3031 * stor-layout.c (place_field): Check that constant fits into
3032 unsigned HWI when skipping calculation of MS bitfield layout.
3034 2010-03-27 Jan Hubicka <jh@suse.cz>
3037 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3038 notice_global_symbol work.
3040 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3042 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3043 instead of dwarf2out_decl.
3044 (struct var_loc_node): Remove section_label field.
3045 (dwarf2out_function_decl): New function.
3046 (dwarf2out_var_location): Don't set section_label field.
3047 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3049 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3051 PR tree-optimization/43544
3052 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3053 First argument for builtin vectorized function hook is now a
3054 tree to be able to distinguish between machine specific and
3056 * targhooks.c (default_builtin_vectorized_function): Ditto.
3057 * targhooks.h (default_builtin_vectorized_function): Ditto.
3058 * target.h (struct gcc_target): Ditto.
3059 * tree-vect-stmts.c (vectorizable_function): Ditto.
3060 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3061 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3064 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3067 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3068 nested binding iff it is a FUNCTION_DECL.
3069 (store_parm_decls_newstyle): Pass nested=true to bind for
3070 FUNCTION_DECLs amongst parameters.
3072 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3074 * var-tracking.c (vt_expand_loc_callback): Don't run
3075 cselib_expand_value_rtx_cb in dummy mode if
3076 cselib_dummy_expand_value_rtx_cb returned false.
3078 * var-tracking.c (emit_note_insn_var_location): For one part
3079 notes with offset 0, don't add EXPR_LIST around the location.
3080 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3081 add_location_or_const_value_attribute): Adjust for that change.
3084 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3085 into first operand and location into second.
3086 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3087 dw_cfi_oprnd_loc for DW_CFA_expression.
3088 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3089 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3090 assume first argument is regnum and second argument is location.
3092 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3095 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3096 of scratch register to DImode. Split to DImode comparison operator.
3097 Use SImode subreg of scratch register in the multiplication.
3098 (*cmp_sadd_sidi): Ditto.
3099 (*cmp_ssub_si): Ditto.
3100 (*cmp_ssub_sidi): Ditto.
3102 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3105 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3106 Remove invalid assert and wrong comment.
3108 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3111 * flags.h (final_insns_dump_p): New extern.
3112 * final.c (final_insns_dump_p): New variable.
3113 (rest_of_clean_state): Set it before -fdump-final-insns=
3114 dumping, clear afterwards.
3115 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3116 MEM_ALIAS_SET on MEMs.
3118 2010-03-26 David S. Miller <davem@davemloft.net>
3120 * configure.ac: Fix sparc GOTDATA_OP bug check.
3121 * configure: Rebuild.
3123 2010-03-26 Alan Modra <amodra@gmail.com>
3125 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3127 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3129 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3130 TLS_SECTION_ASM_FLAG.
3132 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3135 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3136 Clear first_function_block_is_cold.
3139 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3140 argument if the argument is truth_value_p.
3142 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3144 * config/rs6000/constraints.md: Update copyright year for my changes.
3147 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3148 used in reg+reg addressing, swap registers.
3150 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3153 * target.h (struct gcc_target): Add code_end hook.
3154 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3156 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3157 * toplev.c (compile_file): Call targetm.asm_out.code_end
3158 hook before unwind info/debug info output.
3159 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3160 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3161 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3162 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3163 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3164 * config/i386/i386.c (ix86_file_end): Renamed to...
3165 (ix86_code_end): ... this. Make static. Don't call
3166 file_end_indicate_exec_stack. Emit unwind info using
3167 final_start_function/final_end_function.
3168 (darwin_x86_file_end): Remove.
3169 (TARGET_ASM_CODE_END): Define.
3170 * config/i386/i386.h (TARGET_ASM_FILE_END,
3171 NEED_INDICATE_EXEC_STACK): Don't define.
3172 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3173 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3174 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3175 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3178 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3179 at the beginning and final_end_function at the end.
3180 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3182 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3184 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3185 and Sun as TLS syntax.
3186 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3187 * configure: Regenerate.
3188 * config.in: Regenerate.
3189 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3190 (default_elf_asm_named_section): Use it.
3191 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3192 (i386_output_dwarf_dtprel): Likewise.
3193 (output_addr_const_extra): Likewise.
3194 (output_pic_addr_const): Lowercase @GOTTPOFF.
3195 (output_addr_const_extra): Likewise.
3196 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3197 (output_addr_const_extra): Likewise.
3198 (output_pic_addr_const): Lowercase @INDNTPOFF.
3199 (output_addr_const_extra): Likewise.
3200 (output_pic_addr_const): Lowercase @NTPOFF.
3201 (output_addr_const_extra): Likewise.
3202 (output_pic_addr_const): Lowercase @TPOFF.
3203 (output_addr_const_extra): Likewise.
3204 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3205 (*tls_global_dynamic_64): Likewise.
3206 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3207 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3209 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3210 (ASM_OUTPUT_TLS_COMMON): Use it.
3211 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3214 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3215 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3216 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3217 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3218 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3219 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3221 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3223 * config/i386/i386.c (override_options): Don't accept
3224 -mtls-dialect=sun any longer.
3225 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3226 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3227 (*tls_local_dynamic_base_32_sun): Likewise.
3228 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3230 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3233 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3234 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3237 * ira.c (adjust_cleared_regs): New function.
3238 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3242 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3244 * expr.c (expand_expr_real): Restore previous
3245 curr_insn_source_location and curr_insn_block after
3246 expand_expr_real_1 call.
3247 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3248 instead of expand_expr_real_1.
3250 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3252 PR rtl-optimization/43413
3253 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3256 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3259 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3260 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3262 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3264 * config/i386/i386.c (ix86_target_string): Add -mfma.
3265 Fix a typo in comment.
3267 2010-03-22 Mike Stump <mikestump@comcast.net>
3270 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3271 Don't overly align based upon packed packed fields.
3273 2010-03-22 Jason Merrill <jason@redhat.com>
3275 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3276 Use () rather than [], and move before the element type.
3278 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3280 * doc/configfiles.texi (Configuration Files): Removed
3281 fixinc/Makefile*, intl/Makefile.*.
3282 * doc/makefile.texi: Fixed markup. Abstract from version
3283 control system used.
3284 (Makefile): Removed obsolete gcc/java/parse.y example.
3285 * doc/sourcebuild.texi: Likewise.
3286 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3287 libgomp, libssp. Removed fastjar.
3288 (Miscellaneous Docs): Clarify location.
3289 Added COPYING3, COPYING3.LIB.
3290 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3292 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3295 * config/i386/i386.c (x86_function_profiler)
3296 [!NO_PROFILE_COUNTERS]: Fix typo.
3297 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3300 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3301 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3303 * doc/sourcebuild.texi (Test Directives): Split into six
3304 subsections, with most of the current text in new subsections
3305 Directives, Selectors, and Final Actions.
3306 (Directives): Split list of test directives into multiple
3308 (Selectors): Describe use and syntax of selectors.
3309 (Effective-Target Keywords): Describe all existing keywords.
3310 (Add Options): Describe features for dg-add-options.
3311 (Require Support): Describe variants of dg-require-support.
3312 (Final Actions): Describe commands to use in dg-final.
3314 2010-03-22 Michael Matz <matz@suse.de>
3317 * recog.c (validate_replace_rtx_group): Replace also in
3318 REG_EQUAL and REG_EQUIV notes.
3320 2010-03-22 Richard Guenther <rguenther@suse.de>
3322 PR tree-optimization/43390
3323 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3324 sure vector extracts are type correct.
3326 2010-03-22 Richard Guenther <rguenther@suse.de>
3329 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3330 x * sqrt (x) even when optimizing for size if the target
3331 has native support for sqrt.
3333 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3335 * varasm.c (make_decl_rtl_for_debug): Also clear
3336 flag_mudflap for the duration of make_decl_rtl call.
3339 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3340 locs from preserved VALUEs.
3342 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3345 * pa.md (movmemsi): Set align to one if zero.
3346 (movmemdi): Likewise.
3348 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3351 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3352 with their corresponding prologue pushes.
3354 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3357 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3358 at the begining or end.
3359 (spu_expand_epilogue): Likewise.
3361 2010-03-20 Richard Guenther <rguenther@suse.de>
3363 PR rtl-optimization/43438
3364 * combine.c (make_extraction): Properly zero-/sign-extend an
3365 extraction of the low part of a CONST_INT. Also handle
3368 2010-03-19 Mike Stump <mikestump@comcast.net>
3370 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3371 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3372 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3374 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3377 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3380 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3382 PR rtl-optimization/42258
3383 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3384 use that may match DEF.
3387 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3388 the cost of loading the constant rather than assuming
3390 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3391 outer code is AND, do the same tests as the andsi3 expander and
3392 return COSTS_N_INSNS (1) if and is cheap.
3394 * optabs.c (avoid_expensive_constant): Fix formatting.
3396 2010-03-19 Michael Matz <matz@suse.de>
3399 * attribs.c (decl_attributes): When rebuilding a function pointer
3400 type use the same qualifiers as the original pointer type.
3402 2010-03-19 Martin Jambor <mjambor@suse.cz>
3404 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3405 and is_gimple_ip_invariant_address.
3407 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3410 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3412 * config/arm/arm.c (arm_override_options): Turn off
3413 flag_dwarf2_cfi_asm for AAPCS variants.
3415 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3418 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3419 Use PRE_MODIFY instead of PRE_DEC.
3420 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3421 (vfp_emit_fstmd): Likewise.
3423 2010-03-19 Michael Matz <matz@suse.de>
3426 * builtins.c (expand_builtin_interclass_mathfn,
3427 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3430 2010-03-19 Richard Guenther <rguenther@suse.de>
3432 PR tree-optimization/43415
3433 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3434 (phi_translate_1): ... this.
3435 (phi_translate): Move all caching here. Cache all NARY
3436 and REFERENCE translations.
3438 2010-03-19 David S. Miller <davem@davemloft.net>
3440 With help from Eric Botcazou.
3441 * config/sparc/sparc.c: Include dwarf2out.h.
3442 (emit_pic_helper): Delete.
3443 (pic_helper_symbol_name): Delete.
3444 (pic_helper_emitted_p): Delete.
3445 (pic_helper_needed): New.
3446 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3447 (get_pc_thunk_name): New.
3448 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3449 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3450 Set pic_helper_needed to true. Don't call emit_pic_helper.
3451 (sparc_expand_prologue): Update load_pic_register call.
3452 (sparc_output_mi_thunk): Likewise.
3453 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3454 thunk if possible. Output CFI information as needed.
3456 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3457 Jack Howarth <howarth@bromo.med.uc.edu>
3460 * config/i386/i386.h: Fix ABI on darwin x86-32.
3462 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3464 * tree.h: Declare make_decl_rtl_for_debug.
3465 * varasm.c (make_decl_rtl_for_debug): New.
3466 * dwarf2out.c (rtl_for_decl_location): Call it.
3467 * cfgexpand.c (expand_debug_expr): Call it.
3469 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3472 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3476 * var-tracking.c (vt_init_cfa_base): Do nothing if
3477 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3479 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3482 * var-tracking.c (canonicalize_vars_star): New.
3483 (dataflow_post_merge_adjust): Use it.
3485 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3488 * var-tracking.c (non_suitable_const): New function.
3489 (add_uses): For DEBUG_INSNs with constants, don't record any
3490 value, instead just the constant value itself.
3491 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3492 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3493 (emit_notes_in_bb): Likewise.
3494 (emit_note_insn_var_location): For onepart variables if
3495 cur_loc is a VOIDmode constant, use DECL_MODE.
3497 2010-03-18 Martin Jambor <mjambor@suse.cz>
3500 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3501 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3502 all non-clones. Moved call redirection...
3503 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3504 (cgraph_materialize_all_clones): Dispose of all
3505 combined_args_to_skip bitmaps.
3506 (verify_cgraph_node): Do not check for edges pointing to wrong
3507 nodes in inline clones.
3508 * tree-inline.c (copy_bb): Call
3509 cgraph_redirect_edge_call_stmt_to_callee.
3510 * ipa.c (cgraph_remove_unreachable_nodes): Call
3511 cgraph_node_remove_callees even when there are used clones.
3513 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3515 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3517 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3520 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3523 2010-03-18 Michael Matz <matz@suse.de>
3526 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3527 into sqrt(x) if we need to preserve signed zeros.
3529 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3530 Eric Botcazou <ebotcazou@adacore.com>
3532 PR rtl-optimization/43360
3533 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3534 note if we don't know its invariant status.
3536 2010-03-18 Michael Matz <matz@suse.de>
3538 PR tree-optimization/43402
3539 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3540 PHI chains of ssa names registered for update.
3542 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3545 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3546 non-offsettable and pre_modify update addressing.
3547 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3548 and "2" alternatives "#".
3549 (*movdd_softfloat32): Make all alternatives "#";
3550 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3551 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3552 (*movdf_softfloat32): Make all alternatives "#";
3553 (movdi): Use the new DIFD mode iterator to create a common splitter
3554 for movdi, movdf and movdd patterns.
3556 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3558 * common.opt (dumpdir): Remove redundant tab.
3560 2010-03-17 Martin Jambor <mjambor@suse.cz>
3562 PR tree-optimization/43347
3563 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3564 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3566 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3568 PR rtl-optimization/42216
3569 * regrename.c (create_new_chain): New function, broken out from...
3570 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3571 appending a use to an empty chain.
3572 (build_def_use): Remove previous changes that convert OP_INOUT to
3573 OP_OUT operands; instead detect the case where an OP_INOUT operand
3574 uses a previously untracked register and create an empty chain for it.
3576 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3578 * doc/extend.texi (Function Attributes): Rewrite unfinished
3579 sentence in ms_abi documentation.
3581 2010-03-17 Alan Modra <amodra@gmail.com>
3583 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3584 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3585 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3586 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3588 2010-03-16 Richard Henderson <rth@redhat.com>
3591 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3592 (lower_try_finally): Save and restore eh_seq around the expansion
3595 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3597 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3598 statements before splitting block.
3600 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3602 * doc/sourcebuild.texi (Testsuites): Fix markup.
3603 Use pathnames relative to gcc/testsuite.
3604 (Test Directives): Move description of how timeout is determined.
3605 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3606 (C Tests): Correct gcc.misc-tests directory.
3607 Framework tests now live in gcc.test-framework.
3609 2010-03-16 Richard Guenther <rguenther@suse.de>
3612 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3613 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3615 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3616 Alexandre Oliva <aoliva@redhat.com>
3618 PR tree-optimization/42917
3619 * lambda-code.c (remove_iv): Skip debug statements.
3620 (lambda_loopnest_to_gcc_loopnest): Likewise.
3621 (not_interesting_stmt): Debug statements are not interesting.
3623 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3627 * cselib.c (cselib_preserve_constants,
3628 cfa_base_preserved_val): New static variables.
3629 (preserve_only_constants): New function.
3630 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3631 clear its REG_VALUES. If cselib_preserve_constants, don't
3632 empty the whole hash table, but preserve there VALUEs with constants,
3633 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3634 (cselib_preserve_cfa_base_value): New function.
3635 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3636 (cselib_init): Change argument to int bitfield. Set
3637 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3639 (cselib_finish): Clear cselib_preserve_constants and
3640 cfa_base_preserved_val.
3641 * cselib.h (enum cselib_record_what): New enum.
3642 (cselib_init): Change argument to int.
3643 (cselib_preserve_cfa_base_value): New prototype.
3644 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3645 * dse.c (dse_step1): Likewise.
3646 * cfgcleanup.c (thread_jump): Likewise.
3647 * sched-deps.c (sched_analyze): Likewise.
3648 * gcse.c (local_cprop_pass): Likewise.
3649 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3650 If FN is non-NULL, call the callback always and whenever it returns
3651 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3652 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3653 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3654 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3655 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3656 * var-tracking.c: Include recog.h.
3657 (bb_stack_adjust_offset): Remove.
3658 (vt_stack_adjustments): Don't call it, instead just gather the
3659 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3660 (adjust_stack_reference): Remove.
3661 (compute_cfa_pointer): New function.
3662 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3663 (struct adjust_mem_data): New type.
3664 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3666 (get_address_mode): New function.
3667 (replace_expr_with_values): Use it.
3668 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3669 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3670 (adjust_sets): Remove.
3671 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3672 Use get_address_mode.
3673 (get_adjusted_src): Remove.
3674 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3675 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3676 (add_with_sets): Don't call adjust_sets.
3677 (fp_setter, vt_init_cfa_base): New functions.
3678 (vt_initialize): Change return type to bool. Move most of pool etc.
3679 initialization to the beginning of the function from end. Pass
3680 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3681 If !frame_pointer_needed, call vt_stack_adjustment before mos
3682 vector is filled, call vt_init_cfa_base if argp/framep has been
3683 eliminated to sp. If frame_pointer_needed and argp/framep has
3684 been eliminated to hard frame pointer, set
3685 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3686 encountering fp setter in the prologue. For MO_ADJUST, call
3687 log_op_type before pusing the op into mos vector, not afterwards.
3688 Call adjust_insn before cselib_process_insn/add_with_sets,
3689 call cancel_changes (0) afterwards.
3690 (variable_tracking_main_1): Adjust for vt_initialize calling
3691 vt_stack_adjustments and returning whether it succeeded or not.
3693 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3695 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3698 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3700 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3702 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3703 drap_reg has not been set.
3705 2010-03-15 Michael Matz <matz@suse.de>
3708 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3709 use it to expand block copies.
3710 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3711 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3712 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3714 2010-03-15 Richard Guenther <rguenther@suse.de>
3716 PR tree-optimization/43367
3717 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3720 2010-03-15 Richard Guenther <rguenther@suse.de>
3722 PR tree-optimization/43317
3723 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3725 2010-03-15 Martin Jambor <mjambor@suse.cz>
3727 PR tree-optimization/43141
3728 * tree-sra.c (create_abstract_origin): New function.
3729 (modify_function): Call create_abstract_origin.
3731 2010-03-15 Chris Demetriou <cgd@google.com>
3733 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3736 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3739 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3740 call insert_out_of_ssa_copy for default definitions.
3742 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3744 * graphite-clast-to-gimple.c (my_long_long): Defined.
3745 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3746 * graphite-sese-to-poly.c (my_long_long): Defined.
3747 (scop_ivs_can_be_represented): Use it.
3749 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3751 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3752 graphite-max-bbs-per-function, and loop-block-tile-size.
3753 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3755 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3757 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3759 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3760 forward declaration.
3761 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3762 (add_upper_bounds_from_estimated_nit): New.
3763 (build_loop_iteration_domains): Use it.
3765 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3767 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3769 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3772 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3773 should be an INTEGER_CST. Also handle CASE_CONVERT.
3775 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3777 * graphite.c (graphite_initialize): To bound the number of bbs per
3778 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3779 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3780 * doc/invoke.texi: Document it.
3782 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3784 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3785 * graphite-sese-to-poly.h (build_poly_scop): Same.
3787 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3789 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3790 the number of parameters in the scop. Use as an upper bound
3791 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3792 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3793 * doc/invoke.texi: Document it.
3795 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3797 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3798 * doc/c-tree.texi: Remove.
3799 * doc/generic.texi: Merge c-tree.texi here.
3800 * doc/gccint.texi (Trees): Remove menu entry.
3801 (c-tree.texi): Remove @include.
3802 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3803 * doc/languages.texi (Reading RTL): Ditto.
3805 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3808 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3810 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3813 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3814 code added to work around reload clobbering CONST insns.
3816 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3818 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3819 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3820 (cselib_preserve_only_values): Remove retain argument, don't
3821 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3822 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3823 * var-tracking.c (micro_operation): Move insn field before union.
3824 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3825 (struct variable_tracking_info_def): Remove n_mos field, change
3826 mos into a vector of micro_operations.
3827 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3828 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3829 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3830 changing into a vector.
3831 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3832 come before all other uops generated by add_stores.
3833 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3835 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3836 a vector. Run just one pass over the bbs instead of separate counting
3837 and computation phase.
3838 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3841 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3842 into *nonlocalized_list vector.
3843 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3844 even if origin is non-NULL.
3845 (gen_variable_die): Likewise.
3846 (process_scope_var): Don't change origin.
3847 (gen_decl_die): Likewise.
3848 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3849 before adding new edges instead of after it, fix moving over
3852 2010-03-11 David S. Miller <davem@davemloft.net>
3854 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3856 * configure: Rebuild.
3858 2010-03-11 Martin Jambor <mjambor@suse.cz>
3860 PR tree-optimization/43257
3861 * tree.c (assign_assembler_name_if_neeeded): New function.
3862 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3864 * tree.h (assign_assembler_name_if_neeeded): Declare.
3865 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3866 the function if needed.
3868 2010-03-11 Chris Demetriou <cgd@google.com>
3870 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3871 include/stdint-gcc.h, and include/stdint.h world-readable.
3873 2010-03-11 Richard Guenther <rguenther@suse.de>
3875 PR tree-optimization/43255
3876 * tree-vrp.c (process_assert_insertions_for): Do not insert
3877 asserts for trivial conditions.
3879 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3881 PR tree-optimization/43280
3882 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3883 generation. Move calculation of size out of the if branch.
3884 (find_bswap): Modify compare number generation.
3886 2010-03-11 Richard Guenther <rguenther@suse.de>
3889 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3890 (input_gimple_stmt): Fixup handled component types during
3891 operand read. Also fix up decls in ADDR_EXPRs.
3893 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3895 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3896 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3898 2010-03-10 Jan Hubicka <jh@suse.cz>
3901 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3902 * varasm.c (get_variable_section): Don't do that here...
3903 (make_decl_rtl): ... and here.
3904 (do_assemble_alias): Produce decl RTL.
3905 (assemble_alias): Likewise.
3907 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3910 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3911 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3913 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3914 (based_loc_descr): Only express drap or vdrap regno based expressions
3915 using DW_OP_fbreg when not optimizing.
3916 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3917 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3918 REG_CFA_SET_VDRAP note.
3920 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3922 PR tree-optimization/43236
3923 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3924 error in calculation of base address in reverse iteration case.
3925 (generate_builtin): Take number of latch executions if the statement
3928 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3931 * tree-eh.c: Include pointer-set.h.
3932 (lower_eh_dispatch): Filter out duplicate case labels and
3933 remove the unneeded edge when the label is unused. Return
3934 true when some edges are removed.
3935 (execute_lower_eh_dispatch): When any lowering resulted in
3936 removing an edge, also delete unreachable blocks.
3938 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3941 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3942 UNSPEC_MACHOPIC_OFFSET.
3944 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3947 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3948 (m68k_delegitimize_address): New function.
3950 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3953 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3956 * var-tracking.c (adjust_sets): New function.
3957 (count_with_sets, add_with_sets): Use it.
3958 (get_adjusted_src): New inline function.
3959 (add_stores): Use it.
3962 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3963 call cselib_dummy_expand_value_rtx_cb instead of
3964 cselib_expand_value_rtx_cb.
3967 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3968 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3969 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3970 and .cfi_endproc around the pic thunks.
3971 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3972 all queued unwind info register saves are saved before the call.
3973 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3974 considered as sp-=4 for unwind info and the pop as sp+=4 which
3975 also clobbers dest, but doesn't actually restore it.
3978 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3979 RTX_FRAME_RELATED_P.
3981 2010-03-09 Jie Zhang <jie@codesourcery.com>
3983 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3984 whitespaces in output template.
3986 2010-03-09 Jie Zhang <jie@codesourcery.com>
3988 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3991 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3993 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3994 builtins.exp in a separate job.
3996 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3998 * graphite-sese-to-poly.c (add_param_constraints): Use
3999 lower_bound_in_type and upper_bound_in_type.
4001 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4003 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4004 instead of unsigned_type_node.
4006 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4007 Reza Yazdani <reza.yazdani@amd.com>
4010 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4011 on pointer type parameters.
4013 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4017 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4018 handle conversions from pointer to integers.
4019 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4020 induction variable, to be able to work with code generated by CLooG.
4021 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4022 (build_poly_scop): Bail out if we cannot codegen a loop.
4024 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4026 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4027 code generation with gloog_error.
4029 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4031 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4032 Call fold_convert on all the returned values.
4033 (expand_scalar_variables_expr): Pass to
4034 expand_scalar_variables_ssa_name the type of the resulting expression.
4036 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4038 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4039 ppl_min_for_le_pointset.
4040 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4041 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4043 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4045 * graphite-dependences.c (map_into_dep_poly): Removed.
4046 (dependence_polyhedron_1): Use combine_context_id_scat.
4048 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4050 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4051 (struct poly_bb): Same.
4052 (combine_context_id_scat): New.
4054 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4057 * sese.c (name_defined_in_loop_p): Return false for default
4060 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4062 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4063 and clean up the logic.
4065 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4067 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4070 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4072 * var-tracking.c (remove_cselib_value_chains): Define only for
4074 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4075 delete_slot_part, emit_notes_for_differences_1): Don't call
4076 remove_cselib_value_chains here.
4077 (set_slot_part, emit_notes_for_differences_2): Don't call
4078 add_cselib_value_chains here.
4079 (preserved_values): New vector.
4080 (preserve_value): New function.
4081 (add_uses, add_stores, vt_add_function_parameters): Use it
4082 instead of cselib_preserve_value.
4083 (changed_values_stack): New vector.
4084 (check_changed_vars_0): New function.
4085 (check_changed_vars_1, check_changed_vars_2): Use it.
4086 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4087 changed_values_stack VALUEs.
4088 (vt_emit_notes): For all preserved_values call
4089 add_cselib_value_chains. If ENABLE_CHECKING call
4090 remove_cselib_value_chains before verifying value_chains is empty.
4091 Initialize and free changed_values_stack.
4092 (vt_initialize): Initialize preserved_values.
4093 (vt_finalize): Free preserved_values.
4095 2010-03-08 Richard Guenther <rguenther@suse.de>
4097 PR tree-optimization/43269
4098 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4101 2010-03-08 Martin Jambor <mjambor@suse.cz>
4103 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4104 (ipa_is_param_called): Removed.
4105 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4106 (ipa_print_node_params): Do not print the called flag.
4107 (ipa_write_node_info): Do not stream the called flag.
4108 (ipa_read_node_info): Likewise.
4110 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4113 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4114 * cselib.c (struct expand_value_data): Add dummy field.
4115 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4117 (cselib_dummy_expand_value_rtx_cb): New function.
4118 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4120 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4121 * var-tracking.c: Include pointer-set.h.
4122 (variable): Change n_var_parts to char from int. Add
4123 cur_loc_changed and in_changed_variables fields.
4124 (variable_canonicalize): Remove.
4125 (shared_var_p): New inline function.
4126 (unshare_variable): Maintain cur_loc_changed and
4127 in_changed_variables fields. If var was in changed_variables,
4128 replace it there with new_var. Just copy cur_loc instead of
4129 resetting it to something else.
4130 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4131 (dataflow_set_union): Don't call variable_canonicalize.
4132 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4133 of their DEBUG_EXPR_TREE_DECLs.
4134 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4135 and in_changed_variables and cur_loc_changed is false.
4136 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4137 and cur_loc_changed. Don't update cur_loc here.
4138 (variable_merge_over_src): Don't call variable_canonicalize.
4139 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4140 removing loc that is equal to cur_loc, clear cur_loc,
4141 set cur_loc_changed and ensure variable_was_changed is called.
4142 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4143 compare pointers in cur_loc check, if it is equal to loc,
4144 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4145 (variable_different_p): Remove compare_current_location argument,
4146 don't compare cur_loc.
4147 (dataflow_set_different_1): Adjust variable_different_p caller.
4148 (variable_was_changed): If dv had some var in changed_variables
4149 already, reset in_changed_variables flag for it and propagate
4150 cur_loc_changed over to the new variable. On empty var
4151 always set cur_loc_changed. Set in_changed_variables on whatever
4152 var is added to changed_variables.
4153 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4154 Use shared_var_p. When removing loc that is equal to cur_loc,
4155 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4156 end, don't set it to something else, just call variable_was_changed.
4157 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4158 loc being removed, clear cur_loc and set cur_loc_changed.
4159 Set cur_loc_changed if all locations have been removed.
4160 (struct expand_loc_callback_data): New type.
4161 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4162 allocated. Always create SUBREGs if simplify_subreg failed.
4163 Prefer to use cur_loc, when that fails and still in
4164 changed_variables (and seen first time) recompute it. Set
4165 cur_loc_changed of variables which had to change cur_loc and
4166 compute elcd->cur_loc_changed if any of the subexpressions used
4167 had to change cur_loc.
4168 (vt_expand_loc): Adjust to pass arguments in
4169 expand_loc_callback_data structure.
4170 (vt_expand_loc_dummy): New function.
4171 (emitted_notes): New variable.
4172 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4173 that weren't used for any other decl in current
4174 emit_notes_for_changes call call vt_expand_loc_dummy to update
4175 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4176 first loc_chain location if NULL before. Always use just
4177 cur_loc instead of first loc_chain location. When cur_loc_changed
4178 is false, when not --enable-checking=rtl just don't emit any note.
4179 When rtl checking, compute the note and assert it is the same
4180 as previous note. Clear cur_loc_changed and in_changed_variables
4181 at the end before removing from changed_variables.
4182 (check_changed_vars_3): New function.
4183 (emit_notes_for_changes): Traverse changed_vars to call
4184 check_changed_vars_3 on each changed var.
4185 (emit_notes_for_differences_1): Clear cur_loc_changed and
4186 in_changed_variables. Recompute cur_loc of new_var.
4187 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4188 (vt_emit_notes): Initialize and destroy emitted_notes.
4190 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4192 PR rtl-optimization/42220
4193 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4194 Use verify_reg_tracked to determine if we should use OP_OUT rather
4196 (build_def_use): If we see an in-out operand for a register that we
4197 know nothing about, treat is an output if possible, fail the block if
4200 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4203 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4206 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4209 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4210 uses of relevant DEFs that are dead outside the loop too.
4212 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4214 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4216 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4218 * var-tracking.c (values_to_unmark): New variable.
4219 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4220 values_to_unmark vector. Moved body to...
4221 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4222 instead queue it into values_to_unmark vector.
4223 (vt_find_locations): Free values_to_unmark vector.
4225 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4227 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4228 (site.exp): Export them when plugins are enabled.
4230 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4233 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4235 (chrec_fold_multiply): Same.
4237 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4240 * c-decl.c (build_compound_literal): Return early if init is
4243 2010-03-04 Martin Jambor <mjambor@suse.cz>
4245 PR tree-optimization/43164
4246 PR tree-optimization/43191
4247 * tree-sra.c (type_consists_of_records_p): Reject records with
4248 zero-size bit-fields at the end.
4250 2010-03-04 Mike Stump <mikestump@comcast.net>
4252 * Makefile.in (TAGS): Remove *.y.
4254 2010-03-04 Richard Guenther <rguenther@suse.de>
4256 PR tree-optimization/40761
4257 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4259 (my_rev_post_order_compute): New function.
4260 (init_pre): Call it.
4262 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4265 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4266 decrease the cost of an IV candidate when the cost is infinite.
4268 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4270 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4271 Use '3DNow!' for the extension of that name, ensure normal space
4273 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4275 2010-03-03 Jeff Law <law@redhat.com>
4277 * PR middle-end/32693
4278 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4279 than gen_rtx_SUBREG.
4280 (extract_bit_field_1): Likewise.
4282 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4284 * doc/sourcebuild.texi (Test directives): Document that arguments
4285 include-opts and exclude-opts are now optional for dg-skip-if,
4286 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4288 2010-03-03 Jason Merrill <jason@redhat.com>
4291 * cgraph.h (varpool_node): Add extra_name field.
4292 * varpool.c (varpool_extra_name_alias): New.
4293 (varpool_assemble_decl): Emit extra name aliases.
4294 (varpool_mark_needed_node): Look past an extra name alias.
4295 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4296 * lto-streamer-in.c (lto_input_tree): Read it.
4297 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4299 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4301 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4302 (sparc*-*-solaris2*): ...this.
4304 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4307 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4308 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4309 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4310 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4313 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4314 fallthrough to default handling, just with want_address 0 instead of 2.
4315 For single element lists, add_AT_loc directly, otherwise create an
4316 artificial variable DIE and stick location list to it.
4319 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4320 (VAL_EXPR_HAS_REVERSE): Define.
4321 (reverse_op): New function.
4322 (add_stores): For reversible operations add an extra MO_VAL_USE.
4324 2010-03-02 Jason Merrill <jason@redhat.com>
4326 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4328 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4330 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4331 (sparc64-*-linux*): Likewise.
4332 (sparc64-*-solaris2*): Include assembler files before linker ones.
4333 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4334 * config/sparc/gas.h: Delete.
4335 * config/sparc/sol2-64.h: Add copyright notice.
4336 * config/sparc/sol2-gas-bi.h: Likewise.
4337 * config/sparc/sol2-gld.h: Likewise.
4338 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4339 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4340 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4341 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4342 (sparc_elf_asm_named_section): Rename into...
4343 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4345 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4347 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4349 2010-03-02 Jeff Law <law@redhat.com>
4352 * reload1.c (rtx_p, substitute_stack): Declare.
4353 (substitute): Record addresses of changed rtxs.
4354 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4355 Restore the original rtx when complete.
4356 (reload): Free subsitute_stack when complete.
4358 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4360 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4361 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4363 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4364 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4365 Torture Tests): Change from subsection to section.
4367 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4368 Steven Bosscher <steven@gcc.gnu.org>
4370 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4373 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4376 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4377 the assignment from the new induction variable to the assignment
4378 of the value from the original loop PHI function.
4380 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4381 Daniel Jacobowitz <dan@codesourcery.com>
4383 * doc/sourcebuild.texi (Test directives): Clarify options to
4386 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4388 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4389 Disable cfi directives unless GCC and gas agree on using read-only
4390 .eh_frame sections for 64-bit.
4391 * configure: Regenerate.
4393 2010-03-01 Richard Guenther <rguenther@suse.de>
4395 PR tree-optimization/43220
4396 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4397 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4399 2010-03-01 Richard Guenther <rguenther@suse.de>
4400 Martin Jambor <mjambor@suse.cz>
4403 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4404 gimplified parameters.
4406 2010-03-01 Christian Bruel <christian.bruel@st.com>
4408 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4410 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4412 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4414 2010-03-01 Richard Guenther <rguenther@suse.de>
4417 * expr.c (expand_assignment): Use the alias-oracle to tell
4418 if the rhs aliases the result decl.
4420 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4423 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4424 to sol_gt_pch_get_address.
4425 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4426 64-bit, SPARC and x86.
4427 (sol_gt_pch_get_address): New function.
4429 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4431 * toplev.h (inform_n, error_n): Declare.
4432 * diagnostic.c (inform_n, error_n): New function.
4434 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4436 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4437 has no rtl yet when processing local_decls, queue it and recheck
4438 if deferred stack allocation hasn't assigned it rtl.
4440 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4442 * config/sh/sh.c (unspec_bbr_uid): New.
4443 (gen_block_redirect): Use it instead of INSN_UID.
4444 (gen_far_branch): Likewise.
4446 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4448 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4449 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4451 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4453 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4454 (Warning Options): -Wno-conversion-null is valid for
4455 Objective-C++ as well.
4456 * doc/tm.texi (Named Address Spaces): Likewise.
4457 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4458 * doc/tree-ssa.texi (Tree SSA): Likewise.
4460 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4463 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4464 by default. Don't set the default arch for
4465 i[34567]86-*-darwin*|x86_64-*-darwin*.
4467 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4470 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4471 default. Set the default 32bit/64bit archs with $with_arch
4472 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4474 2010-02-27 Richard Guenther <rguenther@suse.de>
4476 PR tree-optimization/43186
4477 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4478 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4479 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4480 unroller iterations.
4482 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4484 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4485 required and i[34567]86-*-* targets don't support 64bit ISA.
4487 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4490 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4493 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4495 * config.gcc: Set the default arch at least to Prescott for
4496 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4497 if SSE math is enabled.
4499 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4501 * diagnostic.c (diagnostic_initialize): Update.
4502 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4504 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4505 (diagnostic_inhibit_notes): New.
4506 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4508 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4511 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4512 * doc/standards.texi: Likewise.
4513 * doc/extend.texi: Likewise.
4514 * doc/trouble.texi: Likewise.
4515 * doc/cppopts.texi: Likewise.
4516 * doc/install.texi: Likewise.
4517 * c.opt (std=c90,std=gnu90): New options.
4518 * c-opts.c (c_common_handle_option): Handle them.
4520 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4523 * c-decl.c (undeclared_variable): Use an informative note.
4525 2010-02-26 Richard Guenther <rguenther@suse.de>
4527 PR tree-optimization/43186
4528 * gimple.h (gimple_fold): Remove.
4529 * gimple.c (gimple_fold): Remove. Inline into single user ...
4530 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4531 Try harder for conditions.
4533 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4536 * function.c (used_types_insert): Don't skip through named pointer
4537 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4538 and it is different from the main variant's type.
4540 2010-02-26 Nick Clifton <nickc@redhat.com>
4542 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4544 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4546 * config.gcc: Support --with-fpmath=sse for x86.
4548 * config/i386/ssemath.h: New.
4550 * doc/install.texi (--with-fpmath=sse): Documented.
4552 2010-02-26 Richard Guenther <rguenther@suse.de>
4554 PR tree-optimization/43188
4555 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4556 vector types of over-aligned element type.
4558 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4561 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4562 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4564 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4566 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4568 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4570 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4571 * var-tracking.c: Include diagnostic.h.
4572 (debug_dv): New function.
4573 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4576 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4577 (add_value_chain, add_value_chains, remove_value_chain,
4578 remove_value_chains): Handle DEBUG_EXPRs.
4579 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4582 * regcprop.c (struct queued_debug_insn_change): New type.
4583 (struct value_data_entry): Add debug_insn_changes field.
4584 (struct value_data): Add n_debug_insn_changes field.
4585 (debug_insn_changes_pool): New variable.
4586 (free_debug_insn_changes, apply_debug_insn_changes,
4587 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4588 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4589 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4591 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4593 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4594 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4595 changes, call cprop_find_used_regs via note_stores.
4596 (copyprop_hardreg_forward): When copying vd from predecessor
4597 which has any queued DEBUG_INSN changes, make sure the pointers are
4598 cleared. At the end call df_analyze and then if there are any
4599 DEBUG_INSN changes queued at the end of some basic block for still
4600 live registers, apply them.
4601 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4603 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4605 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4608 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4610 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4611 targets. Set the default with_cpu/with_arch from arch/cpu.
4612 Allow x86-64 and native for with_cpu/with_arch.
4614 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4616 * ebitmap.c: Change calls to verify_popcount with calls to
4617 sbitmap_verify_popcount.
4618 (ebitmap_clear_bit): Fixed map->cacheindex test and
4619 map>cache update when bit clearing results in an empty
4622 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4625 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4626 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4627 and support both V2DF and V2DI modes.
4628 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4629 support both V2DF and V2DI modes.
4630 (general): Delete trailing whitespace from a few patterns.
4632 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4633 V2DF/V2DI interleave high/low builtins.
4635 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4638 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4639 interleave high/low functions.
4641 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4643 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4644 #pragma extern_prefix.
4646 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4649 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4650 BLKmode, assert op0 is a MEM and just adjust its mode.
4653 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4654 if bitpos isn't multiple of mode's bitsize.
4656 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4658 * c.opt (-ftemplate-depth=): New.
4659 (-ftemplate-depth-): Deprecate.
4660 * optc-gen.awk: Handle -ftemplate-depth=.
4661 * opth-gen.awk: Likewise.
4662 * c-opts.c (c_common_handle_option): Likewise.
4663 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4665 2010-02-24 Jason Merrill <jason@redhat.com>
4667 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4669 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4671 * cfg.c (alloc_aux_for_block): Remove inline.
4672 (alloc_aux_for_edge): Likewise.
4674 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4676 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4678 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4680 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4681 * config/i386/sol2-gas.h: New file.
4682 * config.gcc (i[34567]86-*-solaris2*): Use it.
4684 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4687 * c-typeck.c (ep_convert_and_check): New.
4688 (build_conditional_expr): Use it.
4689 (build_binary_op): Likewise.
4691 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4693 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4696 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4697 bounds even for -O+.
4698 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4699 expr needs to have DECL_NAME set.
4701 2010-02-24 Nick Clifton <nickc@redhat.com>
4703 * config/mep/mep.c: Include gimple.h.
4704 (mep_function_uses_sp): Delete unused function.
4705 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4706 parameters. Use unsigned integers to count args. Return a
4707 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4709 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4712 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4713 greater or equal to nelt instead of 2 * nelt.
4714 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4717 2010-02-23 Jason Merrill <jason@redhat.com>
4720 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4721 in cfun->local_decls even if they have register types.
4724 * stor-layout.c (place_field): Don't warn about unnecessary
4725 DECL_PACKED if the type is packed.
4727 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4730 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4731 GOTOFF relocs, even when the base reg isn't pic pointer.
4733 2010-02-23 Michael Matz <matz@suse.de>
4736 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4737 (expand_gimple_basic_block): Generate and use debug temps if there
4738 are debug uses left after the last real use of TERed ssa names.
4739 Unlink debug immediate uses when they are expanded.
4741 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4744 * config/i386/i386.c (override_options): Reorganise to provide
4745 better error messages.
4747 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4750 * graphite-scop-detection.c (create_single_exit_edge): Move
4751 the call to find_single_exit_edge to....
4752 (create_sese_edges): ...here. Don't handle multiple edges
4753 exiting the function.
4754 (build_graphite_scops): Don't handle multiple edges
4755 exiting the function.
4757 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4760 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4761 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4763 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4766 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4768 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4771 * c-typeck.c (convert_arguments): Print declaration location.
4772 * c-common.c (validate_nargs): Rename as
4773 builtin_function_validate_nargs.
4774 (check_builtin_function_arguments): Update.
4776 2010-02-22 Richard Guenther <rguenther@suse.de>
4779 * tree-inline.c (declare_return_variable): Use the type of
4780 the call stmt lhs if available.
4782 2010-02-22 Duncan Sands <baldrick@free.fr>
4784 * passes.c (register_pass): Always consider all pass lists when
4785 ref_pass_instance_number is zero.
4787 2010-02-22 Richard Guenther <rguenther@suse.de>
4789 PR tree-optimization/42749
4790 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4791 parameter. Do arithmetic in the original type.
4792 (update_accumulator_with_ops): Likewise.
4793 (adjust_accumulator_values): Adjust.
4795 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4797 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4798 (QI to BLKmode splitter): New splitter.
4800 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4802 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4803 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4805 2010-02-22 Richard Guenther <rguenther@suse.de>
4807 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4809 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4811 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4812 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4813 ($(T)crti.o, $(T)crtn.o): Remove rules.
4815 2010-02-21 Tobias Burnus <burnus@net-b.de>
4818 * doc/invoke.texi (-fassociative-math): Document that this
4819 option is automatically enabled for Fortran.
4821 2010-02-20 David S. Miller <davem@davemloft.net>
4823 * configure.ac: Test if linker and assembler properly support
4824 GOTDATA_OP relocations.
4825 * configure: Rebuild.
4826 * config.in: Likewise.
4827 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4828 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4829 (movsi_high_pic): Likewise.
4830 (movdi_lo_sum_pic): Likewise.
4831 (movdi_high_pic): Likewise.
4832 (movsi_pic_gotdata_op): New pattern.
4833 (movdi_pic_gotdata_op): Likewise.
4834 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4835 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4837 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4840 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4841 attribute to ssemul.
4842 (xop_mulv2div2di3_high): Ditto.
4844 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4847 * c.opt (Wconversion-null): New option.
4848 * doc/invoke.texi (Wconversion-null): Document.
4850 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4852 * common.opt (Wlarger-than-): Add Undocumented.
4854 2010-02-19 Mike Stump <mikestump@comcast.net>
4856 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4858 2010-02-19 Jason Merrill <jason@redhat.com>
4861 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4862 * configure: Likewise.
4864 2010-02-20 Alan Modra <amodra@gmail.com>
4867 * cgraph.h (cgraph_make_decl_local): Declare.
4868 * cgraph.c (cgraph_make_decl_local): New function.
4869 (cgraph_make_node_local): Use it.
4870 * cgraphunit.c (cgraph_function_versioning): Likewise.
4871 * ipa.c (function_and_variable_visibility): Likewise.
4873 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4876 * except.c (sjlj_emit_function_enter): Don't call
4877 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4879 * rtl.h (add_reg_br_prob_note): Remove prototype.
4881 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4884 * c-common.c (conversion_warning): Remove widening conversions
4885 before checking the conversion of integers to reals.
4887 2010-02-19 Mike Stump <mikestump@comcast.net>
4890 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4893 * cgraphunit.c (process_function_and_variable_attributes): Check
4894 DECL_PRESERVE_P instead of looking up attribute "used".
4895 * ipa-pure-const.c (check_decl): Likewise.
4896 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4897 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4898 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4899 instead of attribute "used".
4900 * config/sol2-c.c (solaris_pragma_init): Likewise.
4901 (solaris_pragma_fini): Likewise.
4903 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4905 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4906 Use XCNEW instead of xcalloc.
4907 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4908 XNEW instead of xmalloc.
4909 (get_fields): Use XNEWVEC instead of xmalloc.
4912 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4913 populate vars array.
4914 (create_new_general_access): For debug stmts just reset value.
4915 (get_stmt_accesses): For accesses within debug stmts just record them
4916 using add_access_to_acc_sites instead of preventing the peeling or
4917 counting them as accesses.
4920 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4922 2010-02-19 Richard Guenther <rguenther@suse.de>
4924 PR tree-optimization/42916
4925 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4928 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4930 * configure.ac: Replace all uses of changequote in macro arguments
4931 with proper quoting.
4933 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4936 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4938 2010-02-19 Richard Guenther <rguenther@suse.de>
4940 PR tree-optimization/42944
4941 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4942 test for aliasing with errno.
4944 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4947 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4948 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4949 * dojump.c: Include output.h.
4950 (inv): New inline function.
4951 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4952 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4953 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4954 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4955 argument, pass it down to other calls.
4956 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4957 add REG_BR_PROB note to the conditional jump.
4958 * cfgexpand.c (add_reg_br_prob_note): Removed.
4959 (expand_gimple_cond): Don't call it, add the probability
4960 as last argument to jumpif_1/jumpifnot_1.
4961 * Makefile.in (dojump.o): Depend on output.h.
4962 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4964 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4965 * stmt.c (do_jump_if_equal): Likewise.
4966 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4967 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4968 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4970 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4971 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4972 jumpifnot_1 callers.
4973 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4975 (store_expr): Adjust jumpifnot caller.
4976 (store_constructor): Adjust jumpif caller.
4979 * gimplify.c (gimple_boolify): For __builtin_expect call
4980 gimple_boolify also on its first argument.
4982 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4984 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4986 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4987 * configure: Regenerated.
4989 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4991 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4992 lang_hooks.types_compatible_p instead of comptypes.
4994 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4996 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4997 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4998 if __prefer_thumb__ is defined.
5000 2010-02-18 Martin Jambor <mjambor@suse.cz>
5002 PR tree-optimization/43066
5003 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5004 array with zero-sized element type.
5006 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5008 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5009 rtx, allocate struct var_loc_node here and return it to the
5010 caller, and only if it is actually needed.
5011 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5012 move it earlier and return immediately if it returns NULL.
5014 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5016 * config/sparc/gas.h: New file. Restore
5017 TARGET_ASM_NAMED_SECTION to its ELF default.
5018 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5020 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5021 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5022 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5023 after sparc/sysv4.h.
5025 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5027 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5029 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5031 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5032 patterns from predicated pattern.
5034 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5037 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5038 for insn mnemonic suffix.
5040 2010-02-17 Richard Guenther <rguenther@suse.de>
5042 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5045 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5048 * caller-save.c (save_call_clobbered_regs): If BB ends with
5049 a DEBUG_INSN, move any notes in between last real insn and the last
5050 DEBUG_INSN after the last DEBUG_INSN.
5052 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5054 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5055 Fix return type. Fix argument type. Explain meaning of return value.
5057 2010-02-16 Richard Guenther <rguenther@suse.de>
5059 PR tree-optimization/41043
5060 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5061 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5063 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5065 2010-02-16 Ira Rosen <irar@il.ibm.com>
5067 PR tree-optimization/43074
5068 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5069 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5070 vectorizable cycles in hybrid SLP check.
5071 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5073 2010-02-16 Richard Guenther <rguenther@suse.de>
5075 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5076 (true_dependence): If memrefs_conflict_p computes must-alias
5077 trust it. Move TBAA check after offset-based disambiguation.
5078 (canon_true_dependence): Likewise.
5080 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5082 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5083 * doc/invoke.texi: Document it.
5084 * var-tracking.c: Include toplev.h and params.h.
5085 (vt_find_locations): Return bool indicating success. Compute
5086 hash sizes unconditionally. Check new parameter, report.
5087 (variable_tracking_main_1): Check vt_find_locations results and
5088 retry. Renamed from...
5089 (variable_tracking_main): ... this. New wrapper to preserve
5090 flag_var_tracking_assignments.
5091 * Makefile.in (var-tracking.o): Adjust dependencies.
5093 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5094 Jakub Jelinek <jakub@redhat.com>
5097 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5098 if weak_import attribute is present.
5099 * config/darwin.c (machopic_select_section): Likewise.
5101 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5103 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5104 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5105 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5106 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5108 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument types.
5110 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5113 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5114 Rewrite text to refer to the names.
5116 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5118 * config/i386/i386-builtin-types.def
5119 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5120 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5121 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5122 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5123 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5124 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5125 IX86_BUILTIN_VPERMIL2PS256.
5126 (MULTI_ARG_4_DF2_DI_I): Defined.
5127 (MULTI_ARG_4_DF2_DI_I1): Defined.
5128 (MULTI_ARG_4_SF2_SI_I): Defined.
5129 (MULTI_ARG_4_SF2_SI_I1): Defined.
5130 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5131 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5132 __builtin_ia32_vpermil2ps256.
5133 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5134 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5135 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5136 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5137 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5138 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5139 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5140 CODE_FOR_xop_vpermil2v8sf3.
5141 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5142 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5143 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5144 (_mm256_permute2_pd): New.
5145 (_mm_permute2_ps): New.
5146 (_mm256_permute2_ps): New.
5148 2010-02-15 Nick Clifton <nickc@redhat.com>
5150 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5151 boolean parameters. Use emit_jump_insn when emitting a pop
5152 instruction containing a return insn.
5153 (push): Use 'true' rather than '1' as second parameter to F.
5154 (h8300_expand_prologue): Likewise.
5155 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5156 (h8300_expand_epilogue): Likewise.
5158 2010-02-15 Richard Guenther <rguenther@suse.de>
5161 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5164 2010-02-15 Nick Clifton <nickc@redhat.com>
5166 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5169 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5171 * intl.c (fake_ngettext): New function.
5172 * intl.h (fake_ngettext): Declare.
5173 (ngettext): Define macro.
5174 * collect2.c (notice_translated): New function.
5175 (main): Use notice_translated and ngettext.
5176 * collect2.h (notice_translated): Declare.
5178 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5180 * reorg.c (delete_computation): Comment fixes.
5181 * caller-save.c (setup_save_areas): Idem.
5182 * sel-sched-dump.c (dump_lv_set): Idem.
5185 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5187 * config/s390/s390.c (s390_sched_init): New function.
5188 (TARGET_SCHED_INIT): Target hook defined.
5190 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5191 Jack Howarth <howarth@bromo.med.uc.edu>
5192 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5195 Partial revert of unintended change in fix for PR41605.
5196 * config/darwin.h: Fix typo.
5197 * config/darwin9.h: Same.
5199 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5201 * c-pch.c (pch_init): Clear v.
5203 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5206 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5207 graphite_can_represent_init for MULT_EXPR.
5209 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5213 * graphite-sese-to-poly.c (remove_phi): New.
5214 (translate_scalar_reduction_to_array): Call remove_phi.
5216 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5219 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5220 * graphite-clast-to-gimple.h (gloog): Update declaration.
5221 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5222 * graphite-poly.h (struct poly_bb): Add missing comments.
5223 (struct scop): Add poly_scop_p field.
5225 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5226 * graphite.c (graphite_transform_loops): Build the polyhedral
5227 representation for each scop before code generation.
5228 * sese.c (rename_variables_in_operand): Removed.
5229 (rename_variables_in_expr): Return the renamed expression.
5230 (rename_sese_parameters): New.
5231 * sese.h (rename_sese_parameters): Declared.
5233 2010-02-11 Richard Guenther <rguenther@suse.de>
5235 PR tree-optimization/42998
5236 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5237 POINTER_PLUS_EXPR properly.
5239 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5240 Changpeng Fang <changpeng.fang@amd.com>
5243 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5244 the cost of an IV candidate when the IV is used in a test against zero.
5246 * gcc.dg/tree-ssa/ivopts-3.c: New.
5248 2010-02-11 Richard Guenther <rguenther@suse.de>
5251 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5252 pointer-vs-decl case by swapping refs. Handle some cases
5253 of pointer-vs-decl disambiguations more conservatively.
5254 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5255 to false after expanding.
5257 2010-02-11 Richard Guenther <rguenther@suse.de>
5260 * gcc.c (process_command): Handle LTO file@offset case more
5263 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5265 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5266 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5268 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5270 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5271 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5272 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5273 Optimize eq/ne comparisons when both arguments are known to be
5275 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5276 Don't mask operands unnecessarily if they are known to be already
5279 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5281 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5284 2010-02-10 Richard Guenther <rguenther@suse.de>
5286 PR tree-optimization/43017
5287 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5288 for wrapping signed arithmetic.
5290 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5293 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5294 if no debug info should be emitted for it.
5296 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5298 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5299 note when flag_exceptions is set.
5301 2010-02-10 Duncan Sands <baldrick@free.fr>
5303 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5305 2010-02-10 Richard Guenther <rguenther@suse.de>
5308 * tree.c (get_unwidened): Handle constants.
5309 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5311 2010-02-10 Martin Jambor <mjambor@suse.cz>
5314 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5315 check for variable argument counts independently.
5317 2010-02-10 Christian Bruel <christian.bruel@st.com>
5320 * config/sh/sh.c (find_barrier): Increase length for non delayed
5321 conditional branches.
5323 2010-02-10 Christian Bruel <christian.bruel@st.com>
5325 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5327 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5329 * builtins.c (set_builtin_user_assembler_name): Also handle
5330 ffs if int is smaller than word.
5332 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5335 * ira-conflicts.c (get_dup): Remove.
5336 (process_reg_shuffles): Add new parameter. Use it as an
5337 additional guard for copy generation.
5338 (add_insn_allocno_copies): Rewrite.
5340 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5342 * common.opt (fsched2-use-traces): Preserved for backward
5344 * doc/invoke.texi: Remove the documentation about option
5345 -fsched2-use-traces.
5346 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5347 flag_sched2_use_traces.
5348 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5349 the backward compatibility flag section.
5351 2010-02-09 Richard Guenther <rguenther@suse.de>
5353 PR tree-optimization/43008
5354 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5355 make HEAP variables initialized from global memory if they
5356 are not known builtin functions.
5357 (find_func_aliases): Adjust.
5359 2010-02-09 Richard Guenther <rguenther@suse.de>
5361 PR tree-optimization/43000
5362 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5363 arithmetic manually.
5365 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5367 PR tree-optimization/42931
5368 * tree-loop-linear.c (try_interchange_loops): Don't call
5369 double_int_mul if estimated_loop_iterations failed.
5371 2010-02-08 Martin Jambor <mjambor@suse.cz>
5374 * tree-sra.c (build_accesses_from_assign): Do not mark in
5375 should_scalarize_away_bitmap if stmt has volatile ops.
5376 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5379 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5381 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5383 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5385 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5388 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5391 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5393 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5396 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5397 to unknown_dependence.
5398 (graphite_legal_transform_dr): Handle the unknown_dependence.
5399 (graphite_carried_dependence_level_k): Same.
5401 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5403 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5405 2010-02-07 Richard Guenther <rguenther@suse.de>
5408 * expr.c (get_inner_reference): Always initialize *pbitsize.
5410 2010-02-07 Richard Guenther <rguenther@suse.de>
5413 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5414 new ARRAY_REFs on variable size element or minimal index arrays.
5416 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5417 gimple_fold_indirect_ref.
5419 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5422 * arm.c (arm_override_options): Just return if the user has specified
5423 an invalid fpu name.
5425 2010-02-03 Jason Merrill <jason@redhat.com>
5428 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5429 i386_pe_maybe_record_exported_symbol.
5431 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5434 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5435 (pa_delegitimize_address): New function.
5437 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5439 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5440 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5442 2010-02-05 Richard Guenther <rguenther@suse.de>
5445 * lto-streamer-in.c (get_resolution): Deal with references
5446 to undefined functions.
5448 2010-02-05 Richard Guenther <rguenther@suse.de>
5450 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5451 (fold_const_aggregate_ref): Likewise.
5452 (ccp_fold_stmt): Substitute loads.
5453 (maybe_fold_reference): Verify types before substituting.
5455 (fold_gimple_assign): Unshare properly.
5456 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5458 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5460 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5461 for rs6000_gen_cell_microcode.
5463 2010-02-04 Richard Guenther <rguenther@suse.de>
5465 PR rtl-optimization/42952
5466 * dse.c (const_or_frame_p): Remove MEM handling.
5468 2010-02-04 Nick Clifton <nickc@redhat.com>
5470 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5471 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5472 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5473 (mn10300_asm_output_mi_thunk): New function.
5474 (mn10300_can_output_mu_thunk): New function.
5475 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5476 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5477 (FUNCTION_ARG): Delete incorrect comment.
5479 2010-02-03 Jason Merrill <jason@redhat.com>
5482 * fold-const.c (operand_equal_p): Handle erroneous types.
5484 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5486 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5488 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5490 PR rtl-optimization/42941
5491 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5494 2010-02-03 Jason Merrill <jason@redhat.com>
5497 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5499 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5502 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5503 (cselib_reset_table): Renamed from...
5504 (cselib_reset_table_with_next_value): ... this.
5505 (cselib_get_next_uid): Renamed from...
5506 (cselib_get_next_unknown_value): ... this.
5507 * cselib.c (next_uid): Renamed from...
5508 (next_unknown_value): ... this.
5509 (cselib_clear_table): Adjust.
5510 (cselib_reset_table): Adjust. Renamed from...
5511 (cselib_reset_table_with_next_value): ... this.
5512 (cselib_get_next_uid): Adjust. Renamed from...
5513 (cselib_get_next_unknown_value): ... this.
5514 (get_value_hash): Use hash.
5515 (cselib_hash_rtx): Likewise.
5516 (new_cselib_val): Adjust. Set and dump uid.
5517 (cselib_lookup_mem): Pass next_uid as hash.
5518 (cselib_subst_to_values): Likewise.
5519 (cselib_log_lookup): Dump uid.
5520 (cselib_lookup): Pass next_uid as hash. Adjust.
5521 (cselib_process_insn): Adjust.
5522 (cselib_init): Initialize next_uid.
5523 (cselib_finish): Adjust.
5524 (dump_cselib_table): Likewise.
5525 * dse.c (canon_address): Dump value uid.
5526 * print-rtl.c (print_rtx): Print value uid.
5527 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5529 (dv_uid): New function, sort of renamed from...
5530 (dv_htab_hash): ... this, reimplemented in terms of it and...
5531 (dv_uid2hash): ... this. New.
5532 (variable_htab_eq): Drop excess assertions.
5533 (tie_break_pointers): Removed.
5534 (canon_value_cmp): Compare uids.
5535 (variable_post_merge_New_vals): Print uids.
5536 (vt_add_function_parameters): Adjust.
5537 (vt_initialize): Reset table. Adjust.
5539 2010-02-03 Richard Guenther <rguenther@suse.de>
5541 PR tree-optimization/42944
5542 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5543 (call_may_clobber_ref_p_1): Likewise. Properly handle
5544 malloc and calloc clobbering errno.
5546 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5548 * doc/invoke.texi: Fix name of sched1 dump.
5550 * opts.c (decode_options): Set flag_tree_switch_conversion
5551 only conditionally on optimize >= 2.
5553 * gcse.c: Assorted comment fixes in pass description.
5555 2010-02-03 Anthony Green <green@moxielogic.com>
5557 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5558 nop padding in order to maintain alignment of storage location of
5559 target function address.
5560 (moxie_trampoline_init): Store target function address at newly
5562 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5564 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5566 2010-02-03 Richard Guenther <rguenther@suse.de>
5569 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5571 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5573 * config.gcc: Reenable check for obsolete targets.
5574 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5575 mips-sgi-irix6.[0-4]*.
5577 2010-02-02 Nick Clifton <nickc@redhat.com>
5579 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5580 constant size of 4 as being the same as 0.
5581 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5582 can take values in the range 0..4.
5584 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5587 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5588 as _darwin10_Unwind_FindEnclosingFunction().
5589 * libgcc-libsystem.ver: New.
5591 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5594 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5595 implicitly set registers.
5597 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5599 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5600 (arm_override_options): Allow automatic selection of the thread
5601 pointer register if thumb2.
5602 (legitimize_pic_address): Improve code sequences for Thumb2.
5603 (arm_call_tls_get_addr): Likewise.
5604 (legitimize_tls_address): Likewise.
5605 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5606 (pic_load_addr_32bit): ... this. New named pattern.
5607 * thumb2.md (pic_load_addr_thumb2): Delete.
5608 (pic_load_dot_plus_four): Delete.
5609 (tls_load_dot_plus_four): New named pattern.
5611 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5614 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5615 Document fix for TLS bug.
5617 2010-01-31 Richard Guenther <rguenther@suse.de>
5619 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5620 conservatively correct.
5622 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5626 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5628 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5630 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5632 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5634 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5636 * config.gcc: Adjust order of makefile fragments for mingw targets.
5638 2010-01-31 Richard Guenther <rguenther@suse.de>
5641 * gimplify.c (gimplify_init_constructor): For volatile LHS
5642 initialize a temporary.
5644 2010-01-31 Matthias Klose <doko@ubuntu.com>
5646 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5648 * configure: Regenerate.
5650 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5652 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5653 the same alias set and their sizes different constantness.
5654 (aliasing_component_refs_p): Revert 2009-10-24 change.
5656 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5658 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5661 2010-01-29 Richard Guenther <rguenther@suse.de>
5663 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5664 Assert we successfully updated the call.
5666 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5668 PR rtl-optimization/42889
5669 * df.h (df_set_bb_dirty_nonlr): New prototype.
5670 * df-core.c (df_set_bb_dirty_nonlr): New function.
5671 * df-scan.c (df_insn_rescan): Call it instead of
5672 df_set_bb_dirty for DEBUG_INSNs.
5674 2010-01-29 Richard Guenther <rguenther@suse.de>
5677 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5678 quadratic behavior in most cases.
5680 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5683 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5684 in the call to gen_x86_movsicc_0_m1.
5686 2010-01-28 Richard Guenther <rguenther@suse.de>
5688 PR tree-optimization/42871
5689 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5691 2010-01-28 Richard Guenther <rguenther@suse.de>
5693 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5694 into call arguments.
5696 2010-01-28 Richard Guenther <rguenther@suse.de>
5699 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5700 the forwarder if the destination is an EH landing pad.
5702 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5704 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5705 block list passed to gimple_duplicate_sese_tail.
5706 (parallelize_loops): Avoid parallelization when the function
5708 Avoid parallelization when the preheader is IRREDUCIBLE.
5709 Try to optimize when estimated_loop_iterations_int is unresolved.
5710 Add the loop's location to the dump file.
5711 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5712 (gimple_duplicate_sese_tail): Remove the check for the latch.
5713 Redirect nexits to the exit block.
5714 Remove handling of the incoming edges to the latch.
5715 Redirect the backedge from the copied latch to the exit bb.
5717 2010-01-28 Michael Matz <matz@suse.de>
5720 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5721 Wrap force_reg into a sequence, emit it before user.
5723 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5725 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5727 (arm_legacy_rev): Likewise.
5728 (thumb_legacy_rev): Likewise.
5730 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5732 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5733 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5734 on MEM's address failed, try avoid_constant_pool_reference and
5735 recurse if it returned something different.
5736 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5737 address, try avoid_constant_pool_reference and recurse if it
5738 returned something different.
5739 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5740 address and avoid_constant_pool_reference returned something
5741 different, don't set have_address.
5743 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5746 * var-tracking.c (val_store): Add modified argument, obey it.
5748 (count_uses): Move down logging of main.
5749 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5750 don't need resolution.
5751 (emit_notes_in_bb): Likewise.
5753 2010-01-27 Richard Guenther <rguenther@suse.de>
5756 * tree-inline.c (remap_decl): Delay remapping of SSA name
5757 default definitions until we need them.
5759 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5761 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5762 (rs6000_delegitimize_address): New function.
5764 * config/s390/s390.c (s390_delegitimize_address): Call
5765 delegitimize_mem_from_attrs.
5768 * tree-inline.c (cannot_copy_type_1): Removed.
5769 (copy_forbidden): Don't forbid copying of functions containing
5770 records/unions with variable length fields.
5772 2010-01-27 Christian Bruel <christian.bruel@st.com>
5776 * config/sh/sh.c (find_barrier): Increase length for non delayed
5777 conditional branches.
5779 2010-01-27 Matthias Klose <doko@ubuntu.com>
5781 * configure.ac (gnu-unique-object): Fix ldd version check.
5782 * configure: Regenerate.
5784 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5786 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5788 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5789 Test for HAVE_GNU_AS value.
5791 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5793 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5794 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5795 INT64_TYPE): Define.
5796 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5797 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5798 INT_LEAST64_TYPE): Define.
5799 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5800 UINT_LEAST64_TYPE): Define.
5801 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5802 INT_FAST64_TYPE): Define.
5803 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5804 UINT_FAST64_TYPE): Define.
5805 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5806 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5807 (SIG_ATOMIC_TYPE): Define.
5809 2010-01-26 Richard Guenther <rguenther@suse.de>
5811 * df-scan.c (df_scan_set_bb_info): Remove assert.
5812 (df_insn_rescan_debug_internal): Merge asserts.
5813 (df_install_ref): Likewise.
5814 (df_mark_reg): Use bitmap_set_range.
5815 (df_hard_reg_used_p): Remove assert.
5816 (df_hard_reg_used_count): Likewise.
5818 2010-01-26 Richard Guenther <rguenther@suse.de>
5820 PR rtl-optimization/42685
5821 * web.c (web_main): Ignore DEBUG_INSNs.
5823 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5825 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5827 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5828 Fix types of fndecl and arglist parameters.
5830 2010-01-26 Richard Guenther <rguenther@suse.de>
5833 * tree-eh.c (unsplit_eh): Skip debug insns.
5835 2010-01-26 Richard Guenther <rguenther@suse.de>
5837 PR tree-optimization/42250
5838 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5840 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5843 * omp-low.c (expand_omp_sections): Only use single_pred if
5844 l2_bb is single_pred_p.
5846 2010-01-25 Christian Bruel <christian.bruel@st.com>
5849 * config/sh/sh.c (find_barrier): Increase length for non delayed
5850 conditional branches.
5851 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5853 2010-01-24 David S. Miller <davem@davemloft.net>
5855 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5856 define if not using GAS.
5857 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5858 Likewise. Delete SECTION_MERGE code, which is only applicable
5861 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5864 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5865 mangling of va_list in system headers.
5867 2010-01-23 Toon Moene <toon@moene.org>
5869 * tree-predcom.c (combine_chains): Return NULL, not false.
5871 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5873 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5874 initialization of variable res to agree with return type.
5876 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5878 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5879 * tree-sra.c: Add include of expr.h.
5881 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5883 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5884 insert the debug stmt on the single non-EH edge from the stmt.
5886 2010-01-22 Richard Henderson <rth@redhat.com>
5889 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5890 the RHS until after generate_subtree_copies has insertted its
5891 code before the current statement.
5893 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5895 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5897 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5899 2010-01-21 Martin Jambor <mjambor@suse.cz>
5901 PR tree-optimization/42585
5902 * tree-sra.c (struct access): New field grp_total_scalarization.
5903 (dump_access): Dump the new field.
5904 (should_scalarize_away_bitmap): New variable.
5905 (cannot_scalarize_away_bitmap): Likewise.
5906 (sra_initialize): Allocate new bitmaps.
5907 (sra_deinitialize): Free new bitmaps.
5908 (create_access_1): New function.
5909 (create_access): Parts moved to create_access_1.
5910 (type_consists_of_records_p): New function.
5911 (completely_scalarize_record): Likewise.
5912 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5913 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5914 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5916 (analyze_all_variable_accesses): Completely scalarize small eligible
5919 2010-01-21 Martin Jambor <mjambor@suse.cz>
5921 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5923 2010-01-21 Andrew Haley <aph@redhat.com>
5925 * gcc.c (process_command): Move lang_specific_driver before
5926 setting cc_libexec_prefix.
5928 2010-01-21 Richard Guenther <rguenther@suse.de>
5931 * fold-const.c (negate_expr_p): Pretend only negative
5932 real constants are easily negatable.
5934 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5935 Jason Merrill <jason@redhat.com>
5937 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5938 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5939 * calls.c (initialize argument_information): Handle it.
5940 * c-common.c (handle_transparent_union_attribute): Use new name.
5941 * c-decl.c (finish_struct): Ditto.
5942 * c-typeck.c (type_lists_compatible_p): Ditto.
5943 (convert_for_assignment): Use new name and also handle record.
5944 * function.c (aggregate_value_p): Handle it.
5945 (pass_by_reference): Ditto.
5946 (assign_parm_data_types): Ditto.
5947 * print-tree.c (print_node): Ditto.
5948 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5949 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5950 * tree.c (first_field): New fn.
5952 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5955 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5956 even when linking statically, for now.
5958 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5961 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5962 without a cselib val.
5963 (count_uses): Accept MO_VAL_SET with no val on stores.
5964 (add_stores): Likewise.
5966 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5968 * var-tracking.c (check_value_val): Add a compile time assertion.
5969 (dv_is_decl_p): Simplify.
5970 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5971 gcc_assert if ENABLE_CHECKING.
5973 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5976 * var-tracking.c: Include tree-flow.h.
5977 (mem_dies_at_call): New.
5978 (dataflow_set_preserve_mem_locs): Use it.
5979 (dataflow_set_remove_mem_locs): Likewise.
5980 (dump_var): Renamed from dump_variable. Adjust all callers.
5981 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5982 * Makefile.in (var-tracking.o): Adjust deps.
5984 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5986 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5988 2010-01-20 Richard Guenther <rguenther@suse.de>
5990 PR tree-optimization/42717
5991 * tree-ssa-dce.c (get_live_post_dom): Remove.
5992 (forward_edge_to_pdom): Take an arbitrary edge to copy
5993 degenerate PHI args from.
5994 (remove_dead_stmt): Use the first post-dominator even if it
5995 does not contain live statements as redirection destination.
5997 2010-01-20 Richard Guenther <rguenther@suse.de>
5999 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6001 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6003 * sel-sched.c (create_speculation_check): Remove set but not used
6005 (try_transformation_cache): Remove set but not used variable ds.
6006 (calculate_privileged_insns): Remove set but not used variables
6007 cur_insn and min_spec_insn.
6008 (find_best_expr): Remove set but not used variable avail_n.
6009 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6011 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6013 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6014 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6017 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6020 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6021 cpu types. Add support for *-sse3 cpu types.
6022 (x86_64-*-*): Ditto.
6024 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6027 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6028 argument, call initializer_constant_valid_p_1 instead of
6029 initializer_constant_valid_p, pass CACHE to it, return NULL
6030 immediately if first call returns NULL.
6031 (initializer_constant_valid_p_1): New function.
6032 (initializer_constant_valid_p): Use it.
6034 2010-01-20 Thomas Quinot <quinot@adacore.com>
6036 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6038 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6040 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6041 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6042 (loc_list_from_tree): Don't handle unsigned division. Handle
6043 signed modulo using DW_OP_{over,over,div,mul,minus}.
6044 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6045 modulo instead of signed.
6047 2010-01-20 DJ Delorie <dj@redhat.com>
6049 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6051 (h8300_emit_stack_adjustment): Propogate it.
6053 (h8300_expand_prologue): Likewise.
6054 (h8300_expand_epilogue): Likewise.
6056 2010-01-19 Michael Matz <matz@suse.de>
6058 PR tree-optimization/41783
6059 * tree-data-ref.c (toplevel): Include flags.h.
6060 (dump_data_dependence_relation): Also dump the inputs if the
6061 result will be unknown.
6062 (split_constant_offset_1): Look through some conversions.
6063 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6064 the offset from last element is too large.
6065 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6066 (reassociate_to_the_same_stmt): Handle vector registers.
6067 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6069 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6070 wide_prolog_niters argument, emit widening instructions.
6071 (vect_do_peeling_for_alignment): Adjust caller, use widened
6072 variant of the iteration cound.
6073 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6075 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6078 * config/arm/neon-testgen.m (emit_automatics): New parameter
6079 features. Adjust for Fixed_return_reg feature.
6080 (test_intrinsic): Call emit_automatics with new feature.
6081 * config/arm/neon.ml: Update copyright years.
6082 (features): New Fixed_return_reg feature.
6083 (ops): Update feature for Vget_low.
6085 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6087 PR tree-optimization/42719
6088 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6092 * fwprop.c (all_uses_available_at): Return false if def_set dest
6093 is a REG that is used in def_insn.
6095 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6097 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6099 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6102 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6104 * target.h (struct gcc_target) <secondary_reload>: Change type
6105 of last argument to secondary_reload_info *.
6107 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6110 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6111 memory references with unaligned offsets. Remove CQImode handling.
6112 (unaligned_memory_operand): Return 1 for memory references with
6113 unaligned offsets. Remove CQImode handling.
6115 2010-01-18 Richard Guenther <rguenther@suse.de>
6118 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6121 2010-01-18 Richard Guenther <rguenther@suse.de>
6123 PR tree-optimization/42781
6124 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6125 restrict processing only if the original variable was artificial.
6127 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6129 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6130 find number of popped argument bytes.
6132 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6133 Fix the text that describes the return value for invalid insns.
6135 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6137 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6138 Clarify what 'cost of the -dependence' is. Fix quoting.
6140 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6141 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6143 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6145 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6146 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6148 2010-01-17 Richard Guenther <rguenther@suse.de>
6151 * function.c (split_complex_args): Take a VEC to modify.
6152 (assign_parms_augmented_arg_list): Build a VEC instead of
6153 a chain of PARM_DECLs.
6154 (assign_parms_unsplit_complex): Take a VEC of arguments.
6155 Do not fixup unmodified parms.
6156 (assign_parms): Deal with the VEC.
6157 (gimplify_parameters): Likewise.
6159 2010-01-17 Richard Guenther <rguenther@suse.de>
6161 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6162 node existence check.
6163 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6164 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6165 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6166 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6167 (gimple_execute_on_growing_pred): Likewise.
6169 2010-01-17 Richard Guenther <rguenther@suse.de>
6171 PR tree-optimization/42773
6172 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6173 (compute_antic_aux): Likewise.
6174 (compute_partial_antic_aux): Likewise.
6176 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6179 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6182 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6184 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6187 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6188 Fix markup for strict argument.
6190 (TARGET_SCHED_REORDER2): Fix argument types.
6192 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6193 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6195 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6196 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6198 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6201 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6202 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6203 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6204 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6205 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6207 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6209 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6211 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6212 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6214 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6216 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6219 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6221 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6222 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6224 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6226 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6228 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6229 referring to it. Fix language.
6231 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6233 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6235 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6237 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6239 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6240 '@var{stream}. Remove stray 'and'.
6242 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6244 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6246 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6248 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6249 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6251 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6252 Fix description of return value.
6253 Rename argument "sz" to "len."
6255 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6256 Clarify meaning of 'true' return value.
6258 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6260 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6261 rep_mode versus mode_rep.
6263 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6265 (TARGET_BUILTIN_DECL): Fix name.
6267 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6269 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6271 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6273 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6275 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6277 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6280 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6281 Rename argument tm_fn to md_fn.
6283 (TARGET_OPTION_PRINT): Fix argument list.
6285 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6288 * config/i386/i386.c (ix86_fixup_binary_operands):
6289 Revert FMA4 fixup of operands.
6291 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6294 * Makefile.in (write_entries_to_file, install-plugin):
6295 Use \012 instead of \n with tr.
6297 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6299 * configure.ac (HAVE_AS_REF): New C macro.
6300 * configure: Regenerate.
6301 * config.in: Likewise.
6302 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6304 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6307 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6309 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6311 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6313 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6315 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6317 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6319 (TARGET_BINDS_LOCAL_P): Fix argument type.
6321 (TARGET_ASM_FILE_END): Use prototype.
6323 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6325 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6327 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6329 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6331 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6332 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6334 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6335 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6337 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6338 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6339 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6340 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6342 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6344 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6346 (TARGET_INIT_BUILTINS): Use prototype.
6348 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6349 Put 'const char *' in braces. Fix parameter types.
6350 (TARGET_INVALID_CONVERSION): Fix parameter types.
6351 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6352 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6354 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6357 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6359 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6361 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6363 * doc/tm.texi (TARGET_HELP): Fix return type.
6365 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6366 in braces. Fix argument types.
6368 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6370 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6372 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6374 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6375 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6377 (TARGET_MANGLE_TYPE): Fix argument types.
6379 (TARGET_IRA_COVER_CLASSES): Use prototype.
6381 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6383 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6385 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6387 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6389 (TARGET_CALLEE_COPIES): Fix argument types.
6391 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6393 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6395 (TARGET_FUNCTION_VALUE): Fix argument types.
6397 (TARGET_RETURN_IN_MSB): Fix argument type.
6399 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6401 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6403 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6405 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6406 agree with return type.
6408 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6410 2010-01-15 Jing Yu <jingyu@google.com>
6412 PR rtl-optimization/42691
6413 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6414 a pseudo to a constant and are merged, and adjust comments.
6416 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6418 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6420 2010-01-15 Richard Guenther <rguenther@suse.de>
6423 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6424 labels of computed or non-local gotos to the destination.
6425 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6426 landing pad label is the first label.
6428 2010-01-15 Richard Guenther <rguenther@suse.de>
6430 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6432 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6435 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6436 to allow generation of the xssqrtdp instruction on power7.
6437 (sqrtdf2_fpr): Ditto.
6439 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6442 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6443 functions with noreturn attribute.
6446 * varasm.c (declare_weak): Add weak attribute to decl if it
6447 doesn't have one already.
6448 (assemble_external): Only add decls to weak_decls if they also
6449 have weak attribute.
6451 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6453 * var-tracking.c (var_reg_delete): Don't delete the association
6454 between REGs and values or one-part variables if the register
6457 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6460 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6461 because its first operand is a non-localized variable.
6463 2010-01-14 Martin Jambor <mjambor@suse.cz>
6465 PR tree-optimization/42706
6466 * tree-sra.c (encountered_recursive_call): New variable.
6467 (encountered_unchangable_recursive_call): Likewise.
6468 (sra_initialize): Initialize both new variables.
6469 (callsite_has_enough_arguments_p): New function.
6470 (scan_function): Call decl and flags check only for IPA-SRA, check
6471 whether there is a recursive call and whether it has enough arguments.
6472 (all_callers_have_enough_arguments_p): New function.
6473 (convert_callers): Look for recursive calls only when
6474 encountered_recursive_call is set.
6475 (ipa_early_sra): Bail out either if
6476 !all_callers_have_enough_arguments_p or
6477 encountered_unchangable_recursive_call.
6479 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6481 * sel-sched.c: Add 2010 to copyright years.
6482 * sel-sched-ir.c: Likewise.
6483 * sel-sched-ir.h: Likewise.
6485 2010-01-14 Martin Jambor <mjambor@suse.cz>
6487 PR tree-optimization/42714
6488 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6489 constructors specially.
6491 2010-01-14 Andi Kleen <ak@linux.intel.com>
6493 * config/i386/drivers-i386.c (detect_caches_intel):
6494 Add l2sizekb parameter and fill in.
6495 (host_detect_local_cpu): Add l2sizekb, fill in.
6496 Add Atom small cache heuristic.
6498 2010-01-14 Andi Kleen <ak@linux.intel.com>
6500 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6501 Add level3 parameter and fill in.
6502 (detect_caches_intel): Handle level3 cache.
6504 2010-01-14 Andi Kleen <ak@linux.intel.com>
6506 * config/i386/drivers-i386.c (host_detect_local_cpu):
6507 Fix core duo detection.
6509 2010-01-14 Andi Kleen <ak@linux.intel.com>
6511 * config/i386/drivers-i386.c (host_detect_local_cpu):
6514 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6516 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6517 (rs6000_variable_issue_1): this. Use...
6518 (rs6000_variable_issue): here. Reimplement. Print debug info.
6520 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6522 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6523 sel_restore_notes. Update all callers. Call reemit_notes
6526 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6528 PR rtl-optimization/42246
6529 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6532 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6534 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6535 all successors is the same as number of successors in current region.
6537 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6539 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6540 to rename is not separable. Otherwise check that its LHS is not NULL.
6542 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6544 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6546 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6548 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6549 available registers when failed to discover LHS register class.
6550 Fix indentation. Update comment.
6552 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6553 Alexander Monakov <amonakov@ispras.ru>
6555 PR rtl-optimization/42389
6556 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6558 (advance_state_on_fence): Likewise.
6559 (sel_target_adjust_priority): Print debug output only when
6560 sched_verbose >= 4, not 2.
6561 (get_expr_cost): Do not issue all unique insns on the next cycle.
6562 (fill_insns): Initialize can_issue_more from the value saved
6564 * sel-sched-ir.c (flist_add): New parameter issue_more.
6565 Init FENCE_ISSUE_MORE with it.
6566 (merge_fences): Likewise.
6567 (init_fences): Update call to flist_add.
6568 (add_to_fences, add_clean_fence_to_fences)
6569 (add_dirty_fence_to_fences): Likewise.
6570 (move_fence_to_fences): Update call to merge_fences.
6571 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6573 * sel-sched-ir.h (struct _fence): New field issue_more.
6574 (FENCE_ISSUE_MORE): New accessor macro.
6576 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6578 PR rtl-optimization/42388
6579 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6580 that have no predecessors nor successors. Do not call move_bb_info
6581 for empty blocks outside of current region.
6583 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6585 PR rtl-optimization/42294
6586 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6587 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6588 originators' originators.
6590 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6592 PR rtl-optimization/39453
6593 PR rtl-optimization/42246
6594 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6596 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6598 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6599 Alexander Monakov <amonakov@ispras.ru>
6602 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6603 (maybe_tidy_empty_bb): ... here. Make static. Add new
6604 argument. Update all callers.
6605 (tidy_control_flow): ... and here. Recompute topological order
6606 of basic blocks in region if necessary.
6607 (sel_redirect_edge_and_branch): Change return type. Return true
6608 if topological order might have been invalidated.
6609 (purge_empty_blocks): Export and move from...
6610 * sel-sched.c (purge_empty_blocks): ... here.
6611 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6612 (maybe_tidy_empty_bb): Delete prototype.
6613 (purge_empty_blocks): Declare.
6615 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6617 PR rtl-optimization/42249
6618 * sel-sched.c (try_replace_dest_reg): When chosen register
6619 and original register is the same, do not bail out early, but
6620 still check all original insns for validity of replacing destination
6621 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6624 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6627 Port from no-undefined-overflow branch:
6628 2009-03-09 Richard Guenther <rguenther@suse.de>
6630 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6632 2010-01-14 Richard Guenther <rguenther@suse.de>
6635 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6637 2010-01-14 Ira Rosen <irar@il.ibm.com>
6639 PR tree-optimization/42709
6640 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6641 as scalar type in creation of constant vector operand.
6643 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6646 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6647 (check-parallel-%): Match `testsuite' directory component only
6650 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6652 PR translation/39521
6653 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6656 2010-01-13 Richard Guenther <rguenther@suse.de>
6658 PR tree-optimization/42730
6659 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6662 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6665 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6666 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6669 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6671 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6672 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6673 ___umulsi3_highpart.
6675 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6676 rather than schedule_insns if the pass is enabled.
6678 2010-01-13 Martin Jambor <mjambor@suse.cz>
6680 PR tree-optimization/42704
6681 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6684 2010-01-13 Martin Jambor <mjambor@suse.cz>
6686 PR tree-optimization/42703
6687 * tree-sra.c (analyze_access_subtree): Check that we can build a
6688 reference to the original data within the aggregate.
6690 2010-01-13 Richard Guenther <rguenther@suse.de>
6692 PR tree-optimization/42705
6693 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6695 2010-01-13 Richard Guenther <rguenther@suse.de>
6698 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6700 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6703 * var-tracking.c (values_to_unmark): New variable.
6704 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6705 values_to_unmark vector. Moved body to...
6706 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6707 instead queue it into values_to_unmark vector.
6708 (vt_find_locations): Free values_to_unmark vector.
6710 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6712 * config/s390/s390.c (override_options): Set
6713 default of max-pending-list-length to 256
6715 2010-01-13 Richard Guenther <rguenther@suse.de>
6718 * tree-pass.h (PROP_gimple_lcx): New.
6719 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6720 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6721 before the final cleanup_eh.
6722 (dump_properties): Dump PROP_gimple_lcx.
6723 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6724 (tree_lower_complex_O0): Remove.
6725 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6726 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6727 tree_lower_complex, schedule TODO_update_ssa.
6728 * lto-streamer-out.c (output_function): Stream the functions
6730 * lto-streamer-in.c (input_function): Likewise.
6731 (lto_read_body): Do not override them here.
6733 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6736 * c-typeck.c (build_c_cast): Fold value cast to union type before
6737 wrapping it in a CONSTRUCTOR.
6739 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6741 PR rtl-optimization/42699
6742 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6745 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6747 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6748 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6749 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6750 SUBTARGET_WARN_UNUSED_SPEC): ... here
6751 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6753 2010-01-12 Julian Brown <julian@codesourcery.com>
6755 * config/arm/neon-schedgen.ml (Utils): Don't try to
6756 open missing module.
6757 (find_with_result): New.
6759 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6762 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6763 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6765 PR tree-optimization/42645
6766 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6767 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6768 decl_map, set processing_debug_stmt to -1 and return name without
6771 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6773 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6774 binutils version, and reword target configuration description.
6776 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6778 * config/avr/avr.h (LINKER_NAME): Remove.
6780 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6783 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6784 that support VSX, warn for -mno-altivec if vsx is not disabled,
6787 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6788 Shujing Zhao <pearly.zhao@oracle.com>
6790 PR translation/42469
6791 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6792 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6793 character between option name and help text.
6794 * c.opt (imultilib): Likewise.
6796 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6798 * lto-streamer-out.c (output_unreferenced_globals): Output static
6801 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6803 PR rtl-optimization/42621
6804 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6805 optimizing for size.
6806 (duplicate_computed_gotos): Remove now-redundant check.
6808 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6811 * configure.ac: Save and restore LDFLAGS and LIBS
6812 * configure: Regenerate.
6814 2010-01-10 Richard Guenther <rguenther@suse.de>
6817 * builtins.c (fold_builtin_strlen): Add type argument and
6818 convert the resulting length to it.
6819 (fold_builtin_1): Adjust.
6821 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6823 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6824 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6826 (num_insns_constant_wide): Adjust for that change.
6828 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6831 * web.c (union_defs): Add used argument, to combine uses of
6833 (entry_register): Adjust type and tests of used argument.
6834 (web_main): Widen used for new use. Pass it to union_defs.
6835 * df.h (union_defs): Adjust prototype.
6837 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6840 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6841 uses in new incoming argument. Free body.
6842 (reset_debug_uses_in_loop): New.
6843 (analyze_insn_to_expand_var): Call the latter if the former found
6844 anything. Fix whitespace. Reject invalid dest overlaps before
6845 going through all insns in the loop.
6847 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6850 * haifa-sched.c (dying_use_p): Debug insns don't count.
6852 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6855 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6856 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6857 (verify_gimple_call): Reject LHS in noreturn calls.
6859 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6863 * tree-vect-loop-manip.c (adjust_info): New type.
6864 (adjust_vec): New pointer to vector.
6865 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6866 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6867 (slpeel_update_phis_for_duplicate_loop): Use them.
6868 (slpeel_update_phi_nodes_for_guard1): Likewise.
6869 (slpeel_update_phi_nodes_for_guard2): Likewise.
6870 (slpeel_tree_peel_loop_to_edge): Likewise.
6871 (vect_update_ivs_after_vectorizer): Likewise.
6873 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6875 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6876 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6878 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6880 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6881 bogus uninitialized warning.
6883 2010-01-09 Richard Guenther <rguenther@suse.de>
6886 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6887 the evolution is compatible with the initial condition.
6889 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6891 * gcc.c (process_command): Update copyright notice dates.
6892 * gcov.c (print_version): Likewise.
6893 * gcov-dump.c (print_version): Likewise.
6894 * mips-tfile.c (main): Likewise.
6895 * mips-tdump.c (main): Likewise.
6897 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6900 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6902 (rotlhi3_8): Delete.
6904 (rotlsi3_8): Delete.
6905 (rotlsi3_16): Delete.
6906 (rotlsi3_24): Delete.
6908 (*rotw<mode>3): New.
6909 (*rotb<mode>3): New.
6910 * config/avr/avr.c (avr_rotate_bytes): New function.
6911 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6913 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6916 * configure.ac: Modify -rdynamic check.
6917 * configure: Regenerate.
6919 2010-01-08 DJ Delorie <dj@redhat.com>
6921 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6922 register popping order.
6924 2010-01-08 Richard Guenther <rguenther@suse.de>
6927 * c.opt (fsigned-char): Also let LTO handle this option.
6928 (funsigned-char): Likewise.
6930 2010-01-07 Richard Guenther <rguenther@suse.de>
6932 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6933 (gimple_op): Likewise.
6934 (gimple_op_ptr): Likewise.
6935 (gimple_assign_set_lhs): Remove gcc_assert.
6936 (gimple_assign_set_rhs1): Likewise.
6937 (gimple_assign_set_rhs2): Likewise.
6938 (gimple_call_set_lhs): Likewise.
6939 (gimple_call_set_fn): Likewise.
6940 (gimple_call_set_fndecl): Likewise.
6941 (gimple_call_fndecl): Likewise.
6942 (gimple_call_return_type): Likewise.
6943 (gimple_call_set_chain): Likewise.
6944 (gimple_call_num_args): Likewise.
6945 (gimple_call_set_arg): Likewise.
6946 (gimple_cond_set_code): Likewise.
6947 (gimple_cond_set_lhs): Likewise.
6948 (gimple_cond_set_rhs): Likewise.
6949 (gimple_cond_set_true_label): Likewise.
6950 (gimple_cond_set_false_label): Likewise.
6951 (gimple_label_set_label): Likewise.
6952 (gimple_goto_set_dest): Likewise.
6953 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6954 (gimple_debug_bind_get_value): Likewise.
6955 (gimple_debug_bind_get_value_ptr): Likewise.
6956 (gimple_debug_bind_set_var): Likewise.
6957 (gimple_debug_bind_set_value): Likewise.
6958 (gimple_debug_bind_reset_value): Likewise.
6959 (gimple_debug_bind_has_value_p): Likewise.
6960 (gimple_return_retval_ptr): Remove gcc_assert.
6961 (gimple_return_retval): Likewise.
6962 (gimple_return_set_retval): Likewise.
6963 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6964 (safe_referenced_var_iterator): Remove.
6965 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6966 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6967 (fill_referenced_var_vec): Remove.
6968 (first_readonly_imm_use): Remove redundant gcc_assert.
6969 (phi_arg_index_from_use): Combine gcc_asserts.
6970 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6971 (first_imm_use_stmt): Remove redundant gcc_assert.
6972 * tree-cfg.c (verify_gimple_call): Verify function and chain
6973 operands. Verify arguments.
6974 (verify_types_in_gimple_stmt): Verify condition code and labels.
6976 2010-01-07 Richard Guenther <rguenther@suse.de>
6978 PR tree-optimization/42641
6979 * sese.c (rename_map_elt_info): Use the SSA name version, do
6982 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6984 PR tree-optimization/42625
6985 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6986 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6988 2010-01-07 Duncan Sands <baldrick@free.fr>
6990 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6992 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6995 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6996 note itself is not function_invariant_p.
6998 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7000 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7001 Do not add the DF_NOTE problem.
7002 * store-motion.c (execute_rtl_store_motion): Likewise.
7004 2010-01-07 Martin Jambor <mjambor@suse.cz>
7006 PR tree-optimization/42157
7007 * tree-sra.c (compare_access_positions): Stabilize sort if both
7008 accesses have integer types, return zero immediately if they are the
7011 2010-01-06 Richard Henderson <rth@redhat.com>
7014 * haifa-sched.c (add_to_note_list): Merge into ...
7015 (concat_note_lists): ... here, and ...
7016 (unlink_other_notes, rm_other_notes): Merge into...
7017 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7018 NOTE_INSN_EPILOGUE_BEG.
7020 2010-01-06 Richard Guenther <rguenther@suse.de>
7022 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7023 not inline regular functions into always-inline functions.
7025 2010-01-06 Nick Clifton <nickc@redhat.com>
7027 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7028 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7030 (OVERRIDE_OPTIONS): Delete.
7031 (OPTIMIZATION_OPTIONS): Define.
7032 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7033 * config/rx/rx.c (rx_handle_option): Issue an error message if
7034 -mcpu=rx200 and -fpu are used together.
7035 (rx_set_optimization_options): New function. Issue an error
7036 message if an optimization attribute attempts to reset the FPU/
7037 math optimization pairing.
7038 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7039 * config/rx/rx.opt: Set the default to 32-bit doubles.
7040 * config/rx/t-rx: Add multilibs for -nofpu option.
7041 * doc/invoke.texi: Update documentation of RX options.
7043 2010-01-06 Richard Guenther <rguenther@suse.de>
7045 * tree-ssa-pre.c (name_to_id): New global.
7046 (alloc_expression_id): Simplify SSA name handling.
7047 (lookup_expression_id): Likewise.
7048 (init_pre): Zero name_to_id.
7049 (fini_pre): Free it.
7051 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7053 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7055 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7058 * config/i386/sse.md (smaxv2di3): New.
7059 (umaxv2di3): Likewise.
7060 (sminv2di3): Likewise.
7061 (uminv2di3): Likewise.
7063 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7066 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7067 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7068 (legitimize_tls_address): Likewise.
7069 (sparc_tls_referenced_p): Likewise.
7070 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7071 and adjust calls to legitimize_pic_address.
7072 (legitimate_constant_p) Use sparc_tls_referenced_p.
7073 (legitimate_pic_operand_p): Likewise.
7074 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7075 (sparc_tls_symbol_ref_1): Delete.
7076 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7077 (legitimize_tls_address): Make static, handle CONST patterns.
7078 (legitimize_pic_address): Make static, remove unused parameter and
7079 adjust recursive calls.
7080 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7081 and adjust call to legitimize_pic_address.
7082 (sparc_output_mi_thunk): Likewise.
7084 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7085 H.J. Lu <hongjiu.lu@intel.com>
7088 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7089 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7090 operands to make them signed.
7093 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7096 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7097 GTU to GT for V4SI and V2DI.
7099 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7100 (umin<mode>3): Removed.
7102 (uminv4si3): Likewise.
7104 2010-01-05 Martin Jambor <mjambor@suse.cz>
7106 PR tree-optimization/42462
7107 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7108 current_function_decl to helper functions and macros.
7110 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7113 * flags.h: Don't include real.h.
7114 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7115 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7116 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7117 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7118 * dominance.c: Update copyright.
7119 * gimple.c (walk_gimple_op): Remove inline.
7120 * tree-ssa-reassoc.c: Include real.h.
7121 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7122 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7124 2010-01-05 Nick Clifton <nickc@redhat.com>
7126 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7127 register to push into the stack frame when the accumulator has to
7128 be saved during interrupts.
7130 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7132 * doc/invoke.texi: Remove the documentation about option
7134 * common.opt (Wunreachable-code): Preserved for backward
7136 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7137 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7138 the backward compatibility flag section.
7140 2010-01-05 Richard Guenther <rguenther@suse.de>
7142 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7144 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7147 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7149 PR tree-optimization/42508
7150 * tree-sra.c (convert_callers): Check for recursive call
7151 by comparing cgraph nodes instead of decls.
7152 (modify_function): Call ipa_modify_formal_parameters also
7153 on all same_body aliases.
7155 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7156 cgraph nodes when checking for same_body aliases.
7158 2010-01-05 Richard Guenther <rguenther@suse.de>
7160 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7161 allocation and lookup.
7162 (get_or_alloc_expr_for_constant): Likewise.
7163 (phi_translate): Sink allocation.
7165 2010-01-04 Richard Guenther <rguenther@suse.de>
7167 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7168 a new entry only if needed.
7169 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7170 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7172 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7174 (phi_translate): Handle CONSTANTs early.
7176 2010-01-04 Martin Jambor <mjambor@suse.cz>
7178 PR tree-optimization/42398
7179 * tree-sra.c (struct access): Removed flag grp_different_types.
7180 (dump_access): Do not dump the removed flag.
7181 (sort_and_splice_var_accesses): Do not set the removed flag.
7182 (sra_modify_expr): Check for type compatibility directly.
7184 2010-01-04 Martin Jambor <mjambor@suse.cz>
7186 PR tree-optimization/42366
7187 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7188 edges with variable number of parameters.
7189 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7190 flag instead of asserting it.
7191 (ipa_read_node_info): Read uses_analysis_done flag.
7193 2010-01-04 Richard Guenther <rguenther@suse.de>
7195 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7196 iterative_hash_* as intended.
7197 (vn_reference_compute_hash): Likewise. Simplify hashing
7199 (vn_reference_lookup_2): Likewise.
7200 (vn_nary_op_compute_hash): Likewise.
7201 (vn_phi_compute_hash): Likewise.
7202 (expressions_equal_p): Remove strange code.
7203 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7204 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7205 (bitmap_insert_into_set_1): Take value-id as parameter.
7206 (add_to_value): Pass it.
7207 (bitmap_insert_into_set): Likewise.
7208 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7210 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7213 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7214 (do_self_spec): For switches with SWITCH_IGNORE set set also
7215 SWITCH_IGNORE_PERMANENTLY.
7216 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7219 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7221 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7222 tree of an unreferenced global var.
7224 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7227 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7228 GTU to GT for V4SI and V2DI.
7230 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7231 (umin<mode>3): Removed.
7233 (uminv4si3): Likewise.
7235 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7238 * collect2.c (main): Turn on trace in collect2 if -v is passed
7241 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7243 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7244 description of expression operand.
7246 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7248 * configure.ac: Add install-html to target_list for Make-hooks.
7249 * configure: Regenerate.
7250 * fortran/Make-lang.in (F95_HTMLFILES): New.
7251 (fortran.html): Use it.
7252 (fortran.install-html): New.
7253 * Makefile.in (install-html): Add lang.install-html.
7254 * java/Make-lang.in (JAVA_HTMLFILES): New.
7255 (java.html): Use it.
7256 (java.install-html): New.
7257 * objc/Make-lang.in (objc.install-html): New.
7258 * objcp/Make-lang.in (obj-c++.install-html): New.
7259 * cp/Make-lang.in (c++.install-html): New.
7260 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7261 * lto/Make-lang.in (lto.install-html): New.
7263 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7266 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7268 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7270 PR rtl-optimization/41862
7271 * store-motion.c (store_killed_in_insn, compute_store_table,
7272 remove_reachable_equiv_notes, replace_store_insn,
7273 build_store_vectors): Ignore all DEBUG_INSNs.
7275 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7278 * common.opt: Add dumpdir.
7280 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7282 (option_map): Add --dumpdir.
7284 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7286 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7288 * opts.c (decode_options): Try dump_dir_name first if
7289 dump_base_name isn't an absolute path.
7290 (common_handle_option): Handle OPT_dumpdir.
7292 * toplev.c (dump_dir_name): New.
7293 (print_switch_values): Also ignore -dumpdir.
7295 * toplev.h (dump_dir_name): New.
7297 2010-01-03 Richard Guenther <rguenther@suse.de>
7299 PR tree-optimization/42589
7300 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7301 double-word expansion of bswap32.
7303 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7305 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7306 with BLOCK_FOR_INSN.
7307 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7308 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7309 noce_process_if_block): Likewise.
7310 * gcse.c (compute_local_properties, insert_expr_in_table,
7311 insert_set_in_table, canon_list_insert, find_avail_set,
7312 pre_insert_copy_insn): Likewise.
7314 * basic-block.h (BLOCK_NUM): Move from here...
7315 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7317 2010-01-03 Richard Guenther <rguenther@suse.de>
7319 PR tree-optimization/42438
7320 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7321 contains_may_not_return_call flag.
7322 (BB_MAY_NOTRETURN): New.
7323 (valid_in_sets): Trapping nary operations are not valid
7324 in blocks that may not return.
7325 (insert_into_preds_of_block): Remove check for trapping expressions.
7326 (compute_avail): Compute also BB_MAY_NOTRETURN.
7328 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7330 * doc/invoke.texi: Add 2010 to copyright years.
7332 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7334 * config/sparc/sparc.c: Fix formatting nits.
7336 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7337 Alexander Monakov <amonakov@ispras.ru>
7339 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7341 2010-01-02 Richard Guenther <rguenther@suse.de>
7344 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7345 (simplify_switch_using_ranges): Mark to be removed edges
7348 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7350 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7352 * collect2.c (scan_libraries): Add missing argument in call to
7355 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7358 * config/alpha/predicates.md (aligned_memory_operand): Return false
7360 (unaligned_memory_operand): Return true for CQImode.
7361 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7362 doesn not cross aligned SImode word boundary.
7364 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7366 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7368 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7369 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7371 2010-01-02 Richard Guenther <rguenther@suse.de>
7374 * toplev.c (compile_file): Emit LTO marker properly. Change
7376 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7378 2010-01-01 Richard Guenther <rguenther@suse.de>
7381 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7383 2010-01-01 Richard Guenther <rguenther@suse.de>
7386 * c-decl.c (grokdeclarator): For zero-size arrays force
7387 structural equality checks as layout_type does.
7389 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7391 * builtins.c: Update copyright to 2010.
7393 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7396 * lto-streamer-out.c (produce_asm): Revert the last change.
7397 (copy_function): Likewise.
7399 * lto-streamer.c (lto_get_section_name): Skip any leading
7402 2010-01-01 Richard Guenther <rguenther@suse.de>
7405 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7409 Copyright (C) 2010 Free Software Foundation, Inc.
7411 Copying and distribution of this file, with or without modification,
7412 are permitted in any medium without royalty provided the copyright
7413 notice and this notice are preserved.