1 2010-04-27 Manuel López-Ibáñez <manu@gcc.gnu.org>
2 Jan Hubicka <hubicka@ucw.cz>
4 * doc/invoke.texi (-Wsuggest-attribute=const,
5 -Wsuggest-attribute=pure): Document.
6 * ipa-pure-const.c: Include toplev.h, intl.h and opts.h.
7 (function_always_visible_to_compiler_p,
8 suggest_attribute, warn_function_pure, warn_function_const):
10 (check_call): Improve debug info.
11 (analyze_function): Do not check availability.
12 (add_new_function): Check availability.
13 (propagate): Output warnings.
14 (skip_function_for_local_pure_const): New function.
15 (local_pure_const): Use it; output warnings.
16 * common.opt (Wsuggest-attribute=const,
17 Wsuggest-attribute=pure): New.
19 2010-04-27 Jakub Jelinek <jakub@redhat.com>
21 * dwarf2out.c (def_cfa_1): After DW_CFA_def_cfa_expression
22 force using DW_CFA_def_cfa instead of DW_CFA_def_cfa_register
23 or DW_CFA_def_cfa_offset{,_sf}.
25 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
27 * tree.h: Fix truncated long macros.
29 2010-04-27 Kai Tietz <kai.tietz@onevision.com>
31 * collect2.c (TARGET_64BIT): Redefine to target's default.
33 * config/i386/cygming.h (USER_LABEL_PREFIX): Define
34 dependent to TARGET_64BIT and USE_MINGW64_LEADING_UNDERSCORES.
35 * config/i386/i386.h (CRT_CALL_STATIC_FUNCTION): Use
36 for underscoring __USER_LABEL_PREFIX__.
37 * config/i386/mingw-w64.h (SUB_LINK_ENTRY): New macro.
38 (SUB_LINK_ENTRY32): New.
39 (SUB_LINK_ENTRY64): New.
40 (LINK_SPEC): Replace entry point spec by
42 * config/i386/mingw32 (SUB_LINK_ENTRY32): New.
43 (SUB_LINK_ENTRY64): New.
44 (SUB_LINK_ENTRY): New.
45 (LINK_SPEC): Use SUB_LINK_ENTRY instead of hard-coded entry-point.
46 (DWARF2_UNWIND_INFO): Error out for use of dw2 unwind when
47 x64 target is choosen.
48 * config.in (USE_MINGW64_LEADING_UNDERSCORES): New.
49 * configure: Regenerated.
50 * configure.ac (leading-mingw64-underscores): Option added.
52 2010-04-27 Jan Hubicka <jh@suse.cz>
54 * doc/invoke.texi (-fipa-profile): Document.
55 * opts.c (decode_options): Enable ipa-profile at -O1.
56 * timevar.def (TV_IPA_PROFILE): Define.
57 * common.opt (fipa-profile): Add.
58 * cgraph.c (cgraph_clone_node): Set local flag and clear vtable method
60 (cgraph_propagate_frequency): Handle only local ones.
61 * tree-pass.h (pass_ipa_profile): Declare.
62 * ipa-profile.c (gate_profile): Use flag_ipa_profile.
63 (pass_ipa_profile): Use TV_IPA_PROFILE.
64 * ipa.c (ipa_profile): New function.
65 (gate_ipa_profile): Likewise.
66 (pass_ipa_profile): New global variable.
67 * passes.c (pass_ipa_profile): New.
69 2010-04-27 Nathan Froyd <froydnj@codesourcery.com>
71 * config/arm/arm.c (arm_expand_builtin): Remove redundant declaration.
73 2010-04-27 Martin Jambor <mjambor@suse.cz>
76 * ipa.c (dissolve_same_comdat_group_list): New function.
77 (function_and_variable_visibility): Call
78 dissolve_same_comdat_group_list when comdat group contains external or
80 * cgraphunit.c (verify_cgraph_node): Verify that same_comdat_group
81 lists are circular and that they contain only DECL_ONE_ONLY nodes.
83 2010-04-27 Eric Botcazou <ebotcazou@adacore.com>
85 * varasm.c (decode_addr_const): Handle special case of INDIRECT_REF.
86 (const_hash_1) <VECTOR_CST>: New case.
87 (compare_constant) <VECTOR_CST>: Likewise.
88 <ADDR_EXPR>: Deal with LABEL_REFs.
89 (copy_constant) <VECTOR_CST>: New case.
91 2010-04-27 Jan Hubicka <jh@suse.cz>
93 * cgraph.c (cgraph_propagate_frequency): New function.
94 * cgraph.h (cgraph_propagate_frequency): Declare.
95 * ipa-inline.c (cgraph_clone_inlined_nodes): Call
96 cgraph_propagate_frequency.
98 2010-04-27 Jakub Jelinek <jakub@redhat.com>
100 * unwind-dw2.c (_Unwind_DebugHook): Add used and noclone attributes.
102 2010-04-27 Bernd Schmidt <bernds@codesourcery.com>
105 * config/arm/arm.c (thumb1_extra_regs_pushed): New function.
106 (thumb1_expand_prologue, thumb1_output_function_prologue): Call it
107 here to determine which regs to push and how much stack to reserve.
109 2010-04-27 Jie Zhang <jie@codesourcery.com>
111 * doc/gimple.texi (gimple_statement_with_ops): Remove
112 addresses_taken field.
113 (gimple_statement_with_memory_ops): Likewise.
115 2010-04-27 Jan Hubicka <jh@suse.cz>
117 * tree-inline.c (eni_inlining_weights): Remove.
118 (estimate_num_insns): Special case more builtins.
120 2010-04-27 Shujing Zhao <pearly.zhao@oracle.com>
123 * c-typeck.c (build_binary_op): Move forward check for comparison
124 pointer with null pointer constant and adjust the diagnostic message.
126 2010-04-27 Dave Korn <dave.korn.cygwin@gmail.com>
129 * configure.ac (gcc_cv_as_section_has_align): Set if installed
130 binutils supports extended .section directive needed by LTO, or
131 warn if older binutils found.
132 (LTO_BINARY_READER): New AC_SUBST'd variable.
133 (LTO_USE_LIBELF): Likewise.
134 * gcc/config.gcc (lto_binary_reader): New target-specific configure
136 * gcc/Makefile.in (LTO_BINARY_READER): Import AC_SUBST'd autoconf var.
137 (LTO_USE_LIBELF): Likewise.
138 * configure: Regenerate.
140 * collect2.c (is_elf): Rename from this ...
141 (is_elf_or_coff): ... to this, and recognize and allow i386 COFF
142 object files in addition to ELF-formatted ones.
143 (scan_prog_file): Caller updated. Also allow for LTO info marker
144 symbol to be prefixed or not by an extra underscore.
146 * config/i386/t-cygming (winnt.o): Also depend on LTO_STREAMER_H.
147 * config/i386/winnt.c: Also #include lto-streamer.h
148 (i386_pe_asm_named_section): Specify 1-byte section alignment for
150 (i386_pe_asm_output_aligned_decl_common): Add comment.
151 (i386_pe_maybe_record_exported_symbol): Allow decl arg to be NULL.
153 2010-04-27 Hans-Peter Nilsson <hp@bitrange.com>
156 * config/mmix/mmix.md ("*divdi3_nonknuth", "*moddi3_nonknuth"):
157 Add missing earlyclobber for second alternative.
159 2010-04-26 Bernd Schmidt <bernds@codesourcery.com>
161 * df-problems.c (df_simulate_initialize_forwards): Set, don't clear,
162 bits for artificial defs at the top of the block.
163 * fwprop.c (single_def_use_enter_block): Don't call it.
165 2010-04-26 Jack Howarth <howarth@bromo.med.uc.edu>
168 * gcc/configure.ac: Use "$gcc_cv_nm -g" on darwin
169 instead of "$gcc_cv_objdump -T".
170 Use "-undefined dynamic_lookup" on darwin.
171 * gcc/configure: Regenerate.
173 2010-04-26 Jakub Jelinek <jakub@redhat.com>
176 * c-omp.c (c_finish_omp_for): Handle also EQ_EXPR.
178 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
180 * c-parser.c (struct c_token): Move location field up.
181 * c-tree.h (struct c_typespec): Move expr_const_operands field up.
182 (struct c_declspecs): Convert typespec_word, storage_class, and
183 default_int_p into bitfields.
184 (struct c_declarator): Move loc field up.
186 2010-04-26 Nathan Froyd <froydnj@codesourcery.com>
188 * cfgloop.h (struct loop): Move can_be_parallel field up.
189 * ipa-prop.h (struct ip_node_params): Move bitfields up.
190 * tree-ssa-loop-ivopts.c (struct version_info): Move inv_id field
192 (struct iv_cand): Convert pos field into a bitfield.
193 * tree-vectorizer.h (struct _loop_vec_info): Move loop_line_number
195 (struct _stmt_vec_info): Shuffle fields for better packing.
197 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
199 * varasm.c (IN_NAMED_SECTION): Remove guard.
200 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Rename to...
201 (IN_NAMED_SECTION_P): ...this.
202 (ASM_OUTPUT_ALIGNED_BSS): Adjust for above renaming.
203 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
205 2010-04-26 Eric Botcazou <ebotcazou@adacore.com>
207 * gimplify.c (gimplify_cond_expr): Use THEN_ and ELSE_ local variables.
208 Use VOID_TYPE_P for all void type tests. Adjust TYPE variable instead
209 of shadowing it. Fix comments.
211 2010-04-26 Jan Hubicka <jh@suse.cz>
213 * cgraph.c (cgraph_create_node): Set node frequency to normal.
214 (cgraph_clone_node): Copy function frequency.
215 * cgraph.h (node_frequency): New enum
216 (struct cgraph_node): Add.
217 * final.c (rest_of_clean_state): Update.
218 * lto-cgraph.c (lto_output_node): Output node frequency.
219 (input_overwrite_node): Input node frequency.
220 * tre-ssa-loop-ivopts (computation_cost): Update.
221 * lto-streamer-out.c (output_function): Do not output function
223 * predict.c (maybe_hot_frequency_p): Update and handle functions
225 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
227 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
228 (compute_function_frequency): Set noreturn functions to be executed
230 (choose_function_section): Update.
231 * lto-streamer-in.c (input_function): Do not input function frequency.
232 * function.c (allocate_struct_function): Do not initialize function
234 * function.h (function_frequency): Remove.
235 (struct function): Remove function frequency.
236 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
237 (try_update): Update.
238 * tree-inline.c (initialize_cfun): Do not update function frequency.
239 * passes.c (pass_init_dump_file): Update.
240 * i386.c (ix86_compute_frame_layout): Update.
241 (ix86_pad_returns): Update.
243 2010-04-26 Jie Zhang <jie@codesourcery.com>
245 PR tree-optimization/43833
246 * tree-vrp.c (range_int_cst_p): New.
247 (range_int_cst_singleton_p): New.
248 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
249 when both operands are constants. Use range_int_cst_p in
252 2010-04-26 Jan Hubicka <jh@suse.cz>
254 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
256 2010-04-26 Richard Guenther <rguenther@suse.de>
259 * gimple.c (gimple_decl_printable_name): Deal gracefully
260 with a NULL DECL_NAME.
262 2010-04-26 Richard Guenther <rguenther@suse.de>
265 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
266 if emitting debug information and it is either a function
269 2010-04-26 Ira Rosen <irar@il.ibm.com>
271 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
272 determine if the statement is vectorizable, and a macro to
274 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
275 Skip statements that can't be vectorized. If the analysis
276 fails, mark the statement as unvectorizable if vectorizing
278 (vect_compute_data_refs_alignment): Likewise.
279 (vect_verify_datarefs_alignment): Skip statements marked as
280 unvectorizable. Add print.
281 (vect_analyze_group_access): Skip statements that can't be
282 vectorized. If the analysis fails, mark the statement as
283 unvectorizable if vectorizing basic block.
284 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
286 * tree-vect-stmts.c (vectorizable_store): Fix the number of
287 generated stmts for SLP.
288 (new_stmt_vec_info): Initialize the new field.
289 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
290 statements marked as unvectorizable.
292 2010-04-25 Joseph Myers <joseph@codesourcery.com>
294 * c-common.c (flag_isoc1x): New.
295 (flag_isoc99): Update comment.
296 * c-common.h (flag_isoc1x): New.
297 (flag_isoc99): Update comment.
298 * c-cppbuiltin.c (builtin_define_float_constants): Also define
299 __<type>_DECIMAL_DIG__.
300 * c-opts.c (set_std_c1x): New.
301 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
302 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
303 * c.opt (-std=c1x, -std=gnu1x): New options.
304 * doc/cpp.texi: Mention -std=c1x.
305 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
306 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
307 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
308 * doc/standards.texi: Mention C1X.
309 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
310 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
311 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
314 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
316 * config/i386/gmon-sol2.c (_mcleanup): Change format string
317 placeholder from 0x%x to %#x.
318 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
319 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
320 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
321 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
322 * config/i386/i386.c (ix86_target_string): Ditto.
323 (output_pic_addr_const): Ditto.
324 (print_operand): Ditto.
326 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
328 * combine.c (find_split_point): Add third argument. Use it
329 to find nested multiply-accumulate instructions. Adjust calls.
330 (try_combine): Adjust call to find_split_point.
332 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
334 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
336 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
338 PR tree-optimization/41442
339 * fold-const.c (merge_truthop_with_opposite_arm): New function.
340 (fold_binary_loc): Call it.
342 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
344 * toplev.c (general_init): Set default for fdiagnostics-show-option.
345 * opts.c (common_handle_option): Allow disabling it.
346 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
348 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
350 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
351 between modes if both types are integral.
353 2010-04-23 Richard Guenther <rguenther@suse.de>
355 PR tree-optimization/43572
356 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
358 2010-04-23 Richard Guenther <rguenther@suse.de>
361 * tree-inline.c (tree_can_inline_p): Also check compatibility
364 2010-04-23 Martin Jambor <mjambor@suse.cz>
366 PR tree-optimization/43846
367 * tree-sra.c (struct access): New flag grp_assignment_read.
368 (build_accesses_from_assign): Set grp_assignment_read.
369 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
370 (enum mark_read_status): New type.
371 (analyze_access_subtree): Propagate grp_assignment_read, create
372 accesses also if both direct_read and root->grp_assignment_read.
374 2010-04-23 Martin Jambor <mjambor@suse.cz>
377 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
378 function does not have type attributes.
380 2010-04-23 Richard Guenther <rguenther@suse.de>
383 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
386 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
388 * sese.h (create_if_region_on_edge): Remove.
390 * sese.c (create_if_region_on_edge): Make static.
392 * tree-inline.c: Do not include ggc.h.
394 * expr.c: Do not include ggc.h.
396 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
399 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
402 * config/sh/sh.c (find_barrier): Don't emit a constant pool
403 in the middle of insns for casesi_worker_2.
405 2010-04-22 David Edelsohn <edelsohn@gnu.org>
407 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
409 2010-04-22 Ira Rosen <irar@il.ibm.com>
411 PR tree-optimization/43842
412 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
413 loop unrolling in update of exit phis. Fix comment.
414 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
415 least two reduction statements in the loop before starting SLP
418 2010-04-22 Nick Clifton <nickc@redhat.com>
420 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
422 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
424 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
427 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
429 * tree-parloops.c (loop_parallel_p): New argument
430 parloop_obstack. Pass it down.
431 (parallelize_loops): New variable parloop_obstack. Initialize it,
432 pass it down, free it.
434 * tree-loop-linear.c (linear_transform_loops): Pass down
437 * tree-data-ref.h (lambda_compute_access_matrices): New argument
438 of type struct obstack *.
440 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
441 scratch_obstack. Initialize it, pass down, free it.
443 * lambda.h (lambda_loop_new): Remove.
444 (lambda_matrix_new, lambda_matrix_inverse)
445 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
446 argument of type struct obstack *.
448 * lambda-trans.c (lambda_trans_matrix_new): New argument
449 lambda_obstack. Pass it down, use obstack allocation for ret.
450 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
453 * lambda-mat.c (lambda_matrix_get_column)
454 (lambda_matrix_project_to_null): Remove.
455 (lambda_matrix_new): New argument lambda_obstack. Use obstack
457 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
460 * lambda-code.c (lambda_loop_new): New function.
461 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
462 (lambda_compute_auxillary_space, lambda_compute_target_space)
463 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
464 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
465 (build_access_matrix): New argument lambda_obstack. Use obstack
467 (lambda_compute_step_signs, lambda_compute_access_matrices): New
468 argument lambda_obstack. Pass it down.
470 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
472 * optabs.h (expand_widening_mult): Declare.
474 2010-04-22 Richard Guenther <rguenther@suse.de>
476 PR tree-optimization/43845
477 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
478 lookup the CALL_EXPR function and arguments.
480 2010-04-22 Nick Clifton <nickc@redhat.com>
482 * config/stormy16/stormy16.c
483 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
484 * config/stormy16/stormy16.h: Tidy up formatting.
485 (DONT_USE_BUILTIN_SETJMP): Remove definition.
486 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
487 (ineqbranchsi): Delete pattern.
488 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
489 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
490 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
491 stormy16-lib2-ucmpsi2.c.
493 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
495 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
496 df_simulate_find_noclobber_defs as appropriate. Keep track of an
497 extra set merge_set_noclobber, and use it to relax the final test
499 * df.h (df_simulate_find_noclobber_defs): Declare.
500 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
502 (df_simulate_find_noclobber_defs): New function.
504 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
506 * config/i386/i386.md: Use {} around multi-line preparation statements.
508 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
510 * c-tree.h (push_init_level, pop_init_level, set_init_index)
511 (process_init_element): New argument of type struct obstack *.
513 * c-typeck.c (push_init_level, pop_init_level, set_designator)
514 (set_init_index, set_init_label, set_nonincremental_init)
515 (set_nonincremental_init_from_string, find_init_member)
516 (output_init_element, output_pending_init_elements)
517 (process_init_element): New argument braced_init_obstack. Pass it
519 (push_range_stack, add_pending_init): New argument
520 braced_init_obstack. Use obstack allocation.
522 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
523 braced_init_obstack. Pass it down.
524 (c_parser_braced_init): New variables ret, braced_init_obstack.
525 Initialize obstack, pass it down and finally free it.
527 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
530 * tree-pass.h (pass_optimize_widening_mul): Declare.
531 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
532 gate_optimize_widening_mul): New static functions.
533 (pass_optimize_widening_mul): New.
534 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
535 <case MULT_EXPR>: Remove support for widening multiplies.
536 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
537 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
538 simplify_gen_unary rather than directly building extensions.
539 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
541 * expmed.c (expand_widening_mult): New function.
542 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
544 2010-04-21 Jan Hubicka <jh@suse.cz>
546 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
547 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
548 * lto-wpa-fixup.c: Remove.
549 * Makefile.in (lto-wpa-fixup.o): Remove.
550 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
551 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
552 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
554 2010-04-21 Jan Hubicka <jh@suse.cz>
556 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
557 add write_optimization_summary, read_optimization_summary.
558 (ipa_write_summaries_of_cgraph_node_set): Remove.
559 (ipa_write_optimization_summaries): Declare.
560 (ipa_read_optimization_summaries): Declare.
561 * ipa-cp.c (pass_ipa_cp): Update.
562 * ipa-reference.c (pass_ipa_reference): Update.
563 * ipa-pure-const.c (pass_ipa_pure_const): Update.
564 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
566 * ipa-inline.c (pass_ipa_inline): Update.
567 * ipa.c (pass_ipa_whole_program): Update.
568 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
569 * passes.c (ipa_write_summaries_1): Do not test wpa.
570 (ipa_write_optimization_summaries_1): New.
571 (ipa_write_optimization_summaries): New.
572 (ipa_read_summaries): Do not test ltrans.
573 (ipa_read_optimization_summaries_1): New.
574 (ipa_read_optimization_summaries): New.
576 2010-04-21 Jan Hubicka <jh@suse.cz>
578 * lto-cgraph.c (lto_output_node): Do not output comdat groups
580 (output_cgraph): Do not arrange comdat groups for boundary nodes.
582 2010-04-21 Jakub Jelinek <jakub@redhat.com>
585 * dwarf2out.c (add_name_and_src_coords_attributes): Add
586 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
588 2010-04-21 Jan Hubicka <jh@suse.cz>
590 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
592 2010-04-21 Jan Hubicka <jh@suse.cz>
594 * varpool.c (decide_is_variable_needed): Variable is always needed
597 2010-04-21 Jan Hubicka <jh@suse.cz>
599 * opts.c (decode_options): Enable pure-const pass for whopr.
601 2010-04-21 Jan Hubicka <jh@suse.cz>
603 * cgraph.c (dump_cgraph_node): Dump also assembler name.
604 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
606 (cgraph_decide_inlining): Do not expect callee to be removed in all
609 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
611 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
613 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
615 * config/i386/i386.md (x86_shrd): Add athlon_decode and
616 amdfam10_decode attributes.
618 2010-04-21 Jakub Jelinek <jakub@redhat.com>
621 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
622 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
623 (lower_copyprivate_clauses): Use private var in outer
624 context instead of original var. Make sure the types
625 are correct for VLAs.
627 2010-04-21 Richard Guenther <rguenther@suse.de>
629 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
630 to non-pointer objects.
632 2010-04-21 Jakub Jelinek <jakub@redhat.com>
634 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
635 last chain entry if it starts with the still current label.
636 (add_location_or_const_value_attribute): Check that
637 loc_list->first->next is NULL instead of comparing ->first with ->last.
638 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
639 to add_var_loc_to_decl.
641 * dwarf2out.c (output_call_frame_info): For dw_cie_version
642 >= 4 add also address size and segment size fields into CIE header.
644 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
645 long as address size is the same as sizeof (void *) and
647 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
648 address size or segment size is unexpected, return DW_EH_PE_omit.
649 (classify_object_over_fdes): If get_cie_encoding returned
650 DW_EH_PE_omit, return -1.
651 (init_object): If classify_object_over_fdes returned -1,
652 pretend there were no FDEs at all.
654 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
656 * config/i386/i386.md (bswap<mode>2): Macroize expander from
657 bswap{si,di}2 using SWI48 mode iterator.
658 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
659 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
660 set modrm attribute of bswap insn to 0 and remove length attribute.
661 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
662 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
663 set mode attribute to <MODE> and remove length attribute.
665 2010-04-20 James E. Wilson <wilson@codesourcery.com>
667 PR rtl-optimization/43520
668 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
669 zero available registers.
671 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
673 * builtins.c (fold_builtin_cproj): Fold more cases.
675 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
677 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
678 (fold_builtin_1): Fold builtin cproj.
679 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
680 Use ATTR_CONST_NOTHROW_LIST.
682 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
684 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
685 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
686 ffsi2_no_cmove for !TARGET_CMOVE.
687 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
688 (ffssi2): Remove expander.
689 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
691 (ctz<mode>2): Ditto from ctz{si,di}2.
692 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
694 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
697 2010-04-20 Jakub Jelinek <jakub@redhat.com>
699 * dwarf2out.c (AT_linkage_name): Define.
700 (clone_as_declaration): Handle DW_AT_linkage_name.
701 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
702 of DW_AT_MIPS_linkage_name.
703 (move_linkage_attr): Likewise.
704 (dwarf2out_finish): Likewise.
706 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
709 * fold-const.c (fold_comparison): New folding rule.
711 2010-04-20 Anatoly Sokolov <aesok@post.ru>
713 * double-int.h (double_int_setbit): Declare.
714 * double-int.c (double_int_setbit): New function.
715 * rtl.h (immed_double_int_const): Declare.
716 * emit-rtl.c (immed_double_int_const): New function.
717 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
718 and immed_double_int_const functions.
719 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
720 expand_copysign_bit): (Ditto.).
721 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
722 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
723 * dojump.c (prefer_and_bit_test): (Ditto.).
724 * expr.c (convert_modes, reduce_to_bit_field_precision,
725 const_vector_from_tree): (Ditto.).
726 * expmed.c (mask_rtx, lshift_value): (Ditto.).
728 2010-04-20 Jan Hubicka <jh@suse.cz>
730 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
731 (dump_cgraph_node): Dump new flags.
732 * cgraph.h (struct cgraph_node): Add flags
733 reachable_from_other_partition and in_other_partition.
734 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
735 other partition can not be removed.
736 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
737 the other partition must be output; silence sanity checking on
738 leaking functions bodies from other paritition.
739 * lto-cgraph.c (reachable_from_other_partition_p): New function.
740 (lto_output_node): Output new flags; do not sanity check that inline
741 clones are output; drop lto_forced_extern_inline_p code; do not mock
742 visibility flags at partition boundaries.
743 (add_node_to): New function.
744 (output_cgraph): Use it to sort functions so masters appear before
746 (input_overwrite_node): Input new flags.
747 * passes.c (ipa_write_summaries): Do not call
748 lto_new_extern_inline_states.
749 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
750 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
751 lto_forced_extern_inline_p): Kill.
752 * lto-streamer.h (lto_new_extern_inline_states,
753 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
754 lto_forced_extern_inline_p): Kill.
756 2010-04-20 Richard Guenther <rguenther@suse.de>
758 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
759 from vars that can have pointers.
760 (process_constraint): Dump useless constraints.
762 2010-04-20 Richard Guenther <rguenther@suse.de>
764 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
765 (dump_sa_points_to_info): Remove asserts.
766 (init_base_vars): nothing_id isn't an escape point nor does it
769 2010-04-20 Jakub Jelinek <jakub@redhat.com>
771 * tree.h (TYPE_REF_IS_RVALUE): Define.
772 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
773 should_move_die_to_comdat, prune_unused_types_walk): Handle
774 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
775 (modified_type_die, gen_reference_type_die): Emit
776 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
777 if TYPE_REF_IS_RVALUE and -gdwarf-4.
779 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
782 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
783 calls for -fpic -m31 if they have been sibcall optimized.
785 2010-04-19 James E. Wilson <wilson@codesourcery.com>
787 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
788 ar.lc fixed and call-used.
790 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
792 2010-04-19 Jan Hubicka <jh@suse.cz>
794 * opts.c (decode_options): Disable whpr incompatible passes.
795 * lto/lto.c (lto_1_to_1_map): Skip clones.
796 (read_cgraph_and_symbols): Do not mark everything as needed.
797 (do_whole_program_analysis): Do map only after optimizing;
798 set proper cgraph_state; use passmanager.
800 2010-04-19 DJ Delorie <dj@redhat.com>
802 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
803 POINTER_PLUS_EXPR and fix them.
805 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
807 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
808 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
809 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
810 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
811 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
812 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
813 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
814 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
815 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
816 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
817 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
819 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
821 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
822 (check_cond_move_block): Likewise.
823 (cond_move_process_if_block): Likewise.
824 (noce_find_if_block): Improve formatting.
825 (find_if_header): Pass 0 to memset and tweak conditions.
826 (cond_exec_find_if_block): Fix long lines and tweak conditions.
828 2010-04-19 Jakub Jelinek <jakub@redhat.com>
830 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
834 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
835 with non-local decl doesn't need chain.
837 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
839 * ira-color.c (allocno_reload_assign): Avoid accumulating
840 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
842 2010-04-19 Martin Jambor <mjambor@suse.cz>
844 * gimple.h (create_tmp_reg): Declare.
845 * gimplify.c (create_tmp_reg): New function.
846 (gimplify_return_expr): Use create_tmp_reg.
847 (gimplify_omp_atomic): Likewise.
848 (gimple_regimplify_operands): Likewise.
849 * tree-dfa.c (make_rename_temp): Likewise.
850 * tree-predcom.c (predcom_tmp_var): Likewise.
851 (reassociate_to_the_same_stmt): Likewise.
852 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
853 (get_replaced_param_substitute): Likewise.
854 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
855 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
856 * tree-ssa-pre.c (get_representative_for): Likewise.
857 (create_expression_by_pieces): Likewise.
858 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
859 (create_tailcall_accumulator): Likewise.
861 2010-04-19 Martin Jambor <mjambor@suse.cz>
863 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
865 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
867 2010-04-19 Richard Guenther <rguenther@suse.de>
869 PR tree-optimization/43796
870 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
871 from SCEV in the lattice.
872 (vrp_visit_phi_node): Dump change.
874 2010-04-19 Richard Guenther <rguenther@suse.de>
876 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
877 * configure: Re-generated.
879 2010-04-19 Richard Guenther <rguenther@suse.de>
881 PR tree-optimization/43783
882 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
883 constant ARRAY_REF operands two and three if possible.
885 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
888 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
890 2010-04-19 Jie Zhang <jie@codesourcery.com>
893 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
895 2010-04-19 Ira Rosen <irar@il.ibm.com>
897 PR tree-optimization/37027
898 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
899 and macro to access it.
900 (vectorizable_reduction): Add argument.
901 (vect_get_slp_defs): Likewise.
902 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
903 statements for possible use in SLP.
904 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
905 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
906 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
908 (vectorizable_reduction): Likewise.
909 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
911 (vectorizable_type_demotion, vectorizable_type_promotion,
912 vectorizable_store): Likewise.
913 (vect_analyze_stmt): Update call to vectorizable_reduction.
914 (vect_transform_stmt): Likewise.
915 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
916 (vect_build_slp_tree): Fix indentation. Check that there are no loads
917 from different interleaving chains in same node.
918 (vect_slp_rearrange_stmts): New function.
919 (vect_supported_load_permutation_p): Allow load permutations for
920 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
921 inside SLP nodes if necessary.
922 (vect_analyze_slp_instance): Handle reductions.
923 (vect_analyze_slp): Try to build SLP instances originating from groups
925 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
926 (vect_get_constant_vectors): Create initial vectors for reductions
927 according to reduction code. Add new argument.
928 (vect_get_slp_defs): Add new argument, pass it to
929 vect_get_constant_vectors.
930 (vect_schedule_slp_instance): Remove SLP tree root statements.
932 2010-04-19 Jakub Jelinek <jakub@redhat.com>
934 * tree.h (ENUM_IS_SCOPED): Define.
935 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
936 for ENUM_IS_SCOPED enums.
938 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
940 * fold-const.c (fold_comparison): Use ssizetype.
941 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
942 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
943 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
944 * tree-object-size.c (compute_object_sizes): Use size_type_node.
946 * tree.h (initialize_sizetypes): Remove parameter.
947 (build_common_tree_nodes): Remove second parameter.
948 * stor-layout.c (initialize_sizetypes): Remove parameter.
949 Always create an unsigned type.
950 (set_sizetype): Assert that the passed type is unsigned and simplify.
951 * tree.c (build_common_tree_nodes): Remove second parameter.
952 Adjust call to initialize_sizetypes.
953 * c-decl.c (c_init_decl_processing): Remove second argument in call to
954 build_common_tree_nodes.
956 2010-04-18 Matthias Klose <doko@ubuntu.com>
958 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
960 2010-04-18 Ira Rosen <irar@il.ibm.com>
962 PR tree-optimization/43771
963 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
964 load permutation doesn't have gaps.
966 2010-04-18 Jan Hubicka <jh@suse.cz>
968 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
969 (sse_prologue_save_insn expander): Use new pattern.
970 (sse_prologue_save_insn1): New pattern and splitter.
971 (sse_prologue_save_insn): Update to deal also with 64bit aligned
973 * i386.c (setup_incoming_varargs_64): Do not compute jump
975 (ix86_gimplify_va_arg): Update alignment needed.
976 (ix86_local_alignment): Do not align all local arrays to 128bit.
978 2010-04-17 Jan Hubicka <jh@suse.cz>
980 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
982 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
984 * arm.md (negdi2): Remove redundant code to force values into a
987 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
989 * arm/bpabi.S: Add EABI alignment attributes to objects.
990 * arm/bpabi-v6m.S: Likewise.
991 * arm/crti.asm: Likewise.
992 * arm/crtn.asm: Likewise.
993 * arm/lib1funcs.asm: Likewise.
994 * arm/libunwind.S: Likewise.
996 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
998 * arm-protos.h (tune_params): New structure.
999 * arm.c (current_tune): New variable.
1000 (arm_constant_limit): Delete.
1001 (struct processors): Add pointer to the tune parameters.
1002 (arm_slowmul_tune): New tuning option.
1003 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
1004 (all_cores): Adjust to pick up the tuning model.
1005 (arm_constant_limit): New function.
1006 (arm_override_options): Select the appropriate tuning model. Delete
1007 initialization of arm_const_limit.
1008 (arm_split_constant): Use the new constant-limit model.
1009 (arm_rtx_costs): Pick up the current tuning model.
1010 * arm.md (is_strongarm, is_xscale): Delete.
1011 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
1012 for Xscale variant architectures.
1013 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
1015 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
1017 * config/arm/arm.c (arm_gen_constant): Remove unused variable
1019 (arm_rtx_costs_1): Remove unused variable extra_cost.
1020 (arm_unwind_emit_set): Use variable offset.
1021 (thumb1_output_casesi): Remove unused variable flags.
1023 2010-04-16 Jeff Law <law@redhat.com>
1025 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
1026 needing assignment rather than doing a two-phase assignment. Remove
1027 unused variable 'm'.
1029 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1032 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
1034 2010-04-16 Doug Kwan <dougkwan@google.com>
1036 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
1037 (next_operand_entry_id): New static variable.
1038 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
1039 (add_to_ops_vec): Assigned unique ID to operand entry.
1040 (struct oecount_s): New field ID.
1041 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
1042 (undistribute_ops_list): Assign unique IDs to oecounts.
1043 (init_reassoc): reset next_operand_entry_id.
1045 2010-04-16 Doug Kwan <dougkwan@google.com>
1047 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
1048 missing left parenthesis.
1050 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
1052 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
1053 *btdi_rex64 using SWI48 mode iterator.
1054 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
1055 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
1056 *jcc_btdi_mask_rex64.
1058 2010-04-16 Anatoly Sokolov <aesok@post.ru>
1060 * double-int.h (tree_to_double_int): Convert to macro.
1061 * double-int.c (tree_to_double_int): Remove.
1063 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1066 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
1067 with want_address 2 and in case a single element list might be
1068 possible, call it again with want_address 0.
1070 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1072 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
1073 case 'W' print operands for HI mode.
1074 * config/h8300/h8300.h (Y0, Y2) : New constraints.
1075 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
1076 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
1077 * config/h8300/predicate.md (bit_register_indirect_operand): New.
1079 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
1081 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
1082 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
1083 #xx:3 and #xx:4 mode.
1085 * config/h8300/h8300.md (inverted load with HImode dest): Add
1086 support for H8300SX.
1088 * config/h8300/predicate.md (bit_operand): Allow immediate values that
1089 satisfy 'U' constraint.
1091 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1093 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
1094 * configure: Regenerate.
1095 * config.in: Regenerate.
1096 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
1099 2010-04-16 Richard Guenther <rguenther@suse.de>
1101 * tree.h (struct tree_decl_minimal): Move pt_uid ...
1102 (struct tree_decl_common): ... here.
1103 (DECL_PT_UID): Adjust.
1104 (SET_DECL_PT_UID): Likewise.
1105 (DECL_PT_UID_SET_P): Likewise.
1107 2010-04-16 Richard Guenther <rguenther@suse.de>
1109 PR tree-optimization/43572
1110 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
1111 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
1112 * tree-flow.h (is_call_clobbered): Remove.
1113 * tree-flow-inline.h (is_call_clobbered): Likewise.
1114 * tree-dfa.c (dump_variable): Do not dump call clobber state.
1115 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
1116 (execute_return_slot_opt): Adjust.
1117 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
1118 check for call clobbered vars here.
1119 (find_tail_calls): Move tailcall verification to the
1122 2010-04-16 Diego Novillo <dnovillo@google.com>
1124 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
1126 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1129 * config/arm/arm.md (cbranchqi4): New pattern.
1130 * config/arm/predicates.md (const0_operand,
1131 cbranchqi4_comparison_operator): New predicates.
1133 2010-04-16 Richard Guenther <rguenther@suse.de>
1135 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
1136 (dump_gimple_stmt): Likewise.
1138 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
1140 * recog.h (struct recog_data): New field is_operator.
1141 (struct insn_operand_data): New field is_operator.
1142 * recog.c (extract_insn): Set recog_data.is_operator.
1143 * genoutput.c (output_operand_data): Emit code to set the
1145 * reload.c (find_reloads): Use it rather than testing for an
1146 empty constraint string.
1149 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
1150 If the previous insn is a cbranchsi4_insn with the same arguments,
1151 omit the compare instruction.
1153 * config/arm/arm.md (addsi3_cbranch): If destination is a high
1154 register, inputs must be low registers and we need a low register
1155 scratch. Handle alternative 2 like alternative 3.
1157 2010-04-16 Jakub Jelinek <jakub@redhat.com>
1159 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
1160 don't call get_addr on both. If one expression is a VALUE and
1161 the other a REG, check VALUE's locs if the REG isn't among them.
1163 2010-04-16 Christian Bruel <christian.bruel@st.com>
1165 * config/sh/sh.h (sh_frame_pointer_required): New function.
1166 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
1167 (flag_omit_frame_pointer) Set.
1168 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
1169 (rounded_frame_size): Adjust size with outgoing_args_size.
1170 (sh_set_return_address): Must return from stack pointer.
1171 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
1172 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
1173 (ACCUMULATE_OUTGOING_ARGS): Define.
1174 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
1175 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
1177 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1180 * config/sh/sh.c (sh_legitimize_reload_address): Use
1181 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
1182 Remove a unneeded check for offset_base.
1184 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
1186 * configure: Regenerated.
1188 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1190 * config/s390/s390.c (s390_call_save_register_used): Switch back
1191 to HARD_REGNO_NREGS.
1193 2010-04-15 Richard Guenther <rguenther@suse.de>
1195 * alias.c (alias_set_subset_of): Handle alias-set zero
1198 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
1199 Julian Brown <julian@codesourcery.com>
1201 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
1202 alternatives according to use of high and low regs.
1203 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
1204 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
1205 optimizing for size on Thumb-2.
1207 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
1209 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
1211 2010-04-15 Richard Guenther <rguenther@suse.de>
1213 * tree-ssa-structalias.c (struct variable_info): Add
1215 (new_var_info): Initialize it.
1216 (dump_constraints): Support printing last added constraints.
1217 (debug_constraints): Adjust.
1218 (dump_constraint_graph): Likewise.
1219 (make_heapvar_for): Check for NULL cfun.
1220 (get_function_part_constraint): New function.
1221 (get_fi_for_callee): Likewise.
1222 (find_func_aliases): Properly implement IPA PTA constraints.
1223 (process_ipa_clobber): New function.
1224 (find_func_clobbers): Likewise.
1225 (insert_into_field_list_sorted): Remove.
1226 (create_function_info_for): Properly allocate vars for IPA mode.
1227 Do not use insert_into_field_list_sorted.
1228 (create_variable_info_for): Properly generate constraints for
1229 global vars in IPA mode.
1230 (dump_solution_for_var): Always dump the solution.
1231 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1232 (find_what_var_points_to): Adjust.
1233 (pt_solution_set): Change.
1234 (pt_solution_ior_into): New function.
1235 (pt_solution_empty_p): Export.
1236 (pt_solution_includes_global): Adjust.
1237 (pt_solution_includes_1): Likewise.
1238 (pt_solutions_intersect_1): Likewise.
1239 (dump_sa_points_to_info): Check some invariants.
1240 (solve_constraints): Move constraint dumping ...
1241 (compute_points_to_sets): ... here.
1242 (ipa_pta_execute): ... and here.
1243 (compute_may_aliases): Do not re-compute points-to info
1244 locally if IPA info is available.
1245 (ipa_escaped_pt): New global var.
1246 (ipa_pta_execute): Properly implement IPA PTA.
1247 * tree-into-ssa.c (dump_decl_set): Support dumping
1248 decls not in referenced-vars.
1249 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1250 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1251 (dump_points_to_solution): Likewise.
1252 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1253 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1254 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1255 (copy_decl_to_var): Copy DECL_PT_UID.
1256 (copy_result_decl_to_var): Likewise.
1257 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1258 (copy_node_stat): Copy it.
1259 * tree.h (DECL_PT_UID): New macro.
1260 (SET_DECL_PT_UID): Likewise.
1261 (DECL_PT_UID_SET_P): Likewise.
1262 (struct tree_decl_minimal): Add pt_uid member.
1263 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1264 (pt_solution_empty_p): Declare.
1265 (pt_solution_set): Adjust.
1266 (ipa_escaped_pt): Declare.
1267 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1268 * gimple-pretty-print.c (pp_points_to_solution): New function.
1269 (dump_gimple_call): Dump call clobber/use information.
1270 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1271 * tree-pass.h (TDF_ALIAS): New dump option.
1272 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1273 * doc/invoke.texi (-fipa-pta): Update documentation.
1275 2010-04-15 Richard Guenther <rguenther@suse.de>
1277 * Makefile.in (OBJS-common): Add gimple-fold.o.
1278 (gimple-fold.o): New rule.
1279 * tree.h (maybe_fold_offset_to_reference,
1280 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1282 * gimple.h: ... here.
1283 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1284 may_propagate_address_into_dereference): Move prototypes ...
1285 * gimple.h: ... here.
1286 * tree-ssa-ccp.c (get_symbol_constant_value,
1287 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1288 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1289 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1290 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1291 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1292 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1293 gimplify_and_update_call_from_tree): Move ...
1294 * gimple-fold.c: ... here. New file.
1295 (ccp_fold_builtin): Rename to ...
1296 (gimple_fold_builtin): ... this.
1297 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1299 2010-04-15 Richard Guenther <rguenther@suse.de>
1301 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1302 fit_double_type, force_fit_type_double, add_double_with_sign,
1303 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1304 lrotate_double, rrotate_double, div_and_round_double): Move ...
1305 * double-int.c: ... here.
1306 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1307 add_double, neg_double, mul_double_with_sign, mul_double,
1308 lshift_double, rshift_double, lrotate_double, rrotate_double,
1309 div_and_round_double): Move prototypes ...
1310 * double-int.h: ... here.
1312 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1315 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1316 matching constraints to ensure inputs match the output.
1318 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1321 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1322 in an input-only operand.
1324 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1326 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1327 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1328 (double_int_negative_p): Convert to static inline function.
1329 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1330 (double_int_negative_p): Remove.
1331 * tree.h (lshift_double, rshift_double):
1332 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1333 * fold-const.c (fold_convert_const_int_from_real,
1334 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1335 (lshift_double): Change type of arith argument to bool.
1336 (rshift_double): Change type of arith argument to bool. Correct
1338 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1340 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1343 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1344 at the start and end of the then/else blocks, and omit them from the
1346 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1347 argument; all callers changed. Pass zero to old_insns_match_p instead.
1348 (flow_find_head_matching_sequence): New function.
1349 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1350 * basic-block.h (flow_find_cross_jump,
1351 flow_find_head_matching_sequence): Declare functions.
1353 2010-04-14 Jason Merrill <jason@redhat.com>
1356 * c-common.c (attribute_takes_identifier_p): New fn.
1357 * c-common.h: Declare it.
1359 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1361 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1363 (*udivmod<mode>4): Ditto.
1365 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1367 * config/i386/i386.md (maxmin_int): Rename code attribute from
1368 maxminiprefix and update all users.
1369 (maxmin_float): Ditto from maxminfprefix.
1370 (logic): Ditto from logicprefix.
1371 (absneg_mnemonic): Ditto from absnegprefix.
1372 * config/i386/mmx.md: Update all users of maxminiprefix,
1373 maxminfprefix and logicprefix for rename.
1374 * config/i386/sse.md: Ditto.
1375 * config/i386/sync.md (sync_<code><mode>): Update for
1378 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1381 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1382 warnings converted to errors.
1384 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1386 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1387 used insn_type variable.
1388 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1389 to avoid set-but-not-used warning.
1391 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1393 * df-core.c (df_ref_debug): Change format string placeholder
1395 * dwarf2asm.c (dw2_asm_output_data_raw,
1396 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1397 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1398 * dwarf2out.c (output_cfi, output_cfi_directive,
1399 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1400 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1402 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1403 * print-rtl.c (print_rtx): Ditto.
1405 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1408 * builtins.c (expand_builtin_pow_root): New function to expand pow
1409 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1410 series of sqrt and cbrt calls under -ffast-math.
1411 (expand_builtin_pow): Call it.
1413 2010-04-14 Michael Matz <matz@suse.de>
1415 PR tree-optimization/42963
1416 * tree-cfg.c (touched_switch_bbs): New static variable.
1417 (group_case_labels_stmt): New function broken out from ...
1418 (group_case_labels): ... here, use the above.
1419 (start_recording_case_labels): Allocate touched_switch_bbs.
1420 (end_recording_case_labels): Deallocate it, call
1421 group_case_labels_stmt.
1422 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1424 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1426 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1429 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1431 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1433 2010-04-13 Jan Hubicka <jh@suse.cz>
1435 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1436 of optimized out static functions.
1437 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1438 cost computation. Also sanity check for overflows.
1439 (update_caller_keys): Update cgraph_edge_badness call; properly
1440 update fibheap and sanity check that it is up to date.
1441 (add_new_edges_to_heap): Update cgraph_edge_badness.
1442 (cgraph_decide_inlining_of_small_function): Likewise;
1443 add sanity checking that badness in heap is up to date;
1444 improve dumping of reason; Update badness of calls to the
1445 offline copy of function currently inlined; dump badness
1446 of functions not inlined because of unit growth limits.
1448 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1451 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1452 because of sign-extension change when converting to sizetype here...
1453 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1455 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1456 the folding to constants. Remove redundant final conversion.
1457 (fold_binary) <associate>: Do not associate if the re-association of
1458 constants alone overflows.
1459 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1460 to the end of the list.
1461 (multiple_of_p) <COND_EXPR>: New case.
1463 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1465 * opt-functions.awk (opt_sanitized_name): New.
1467 * optc-gen.awk: Use it
1468 * opth-gen.awk: Use it.
1470 2010-04-13 Martin Jambor <mjambor@suse.cz>
1472 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1473 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1474 children. Call replace_uses_with_default_def_ssa_name to handle
1477 2010-04-13 Michael Matz <matz@suse.de>
1480 * builtins.c (expand_builtin_interclass_mathfn): Also create
1481 a register if the predicate doesn't match.
1483 2010-04-13 Diego Novillo <dnovillo@google.com>
1485 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1486 * c-pch.c: Include timevar.h.
1487 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1488 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1489 * ggc-common.c: Include timevar.h.
1490 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1491 * timevar.def (TV_PCH_SAVE): Define.
1492 (TV_PCH_CPP_SAVE): Define.
1493 (TV_PCH_PTR_REALLOC): Define.
1494 (TV_PCH_PTR_SORT): Define.
1495 (TV_PCH_RESTORE): Define.
1496 (TV_PCH_CPP_RESTORE): Define.
1498 2010-04-13 Michael Matz <matz@suse.de>
1500 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1502 (can_reassociate_p): New function.
1503 (break_up_subtract_bb, reassociate_bb): Use it.
1505 2010-04-13 Richard Guenther <rguenther@suse.de>
1508 * builtins.c (c_readstr): Fix assert.
1510 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1512 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1513 when generating cltd insn.
1515 (*ashl<mode>3_1): Remove special handling for register operand 2.
1516 (*ashlsi3_1_zext): Ditto.
1517 (*ashlhi3_1): Ditto.
1518 (*ashlhi3_1_lea): Ditto.
1519 (*ashlqi3_1): Ditto.
1520 (*ashlqi3_1_lea): Ditto.
1521 (*<shiftrt_insn><mode>3_1): Ditto.
1522 (*<shiftrt_insn>si3_1_zext): Ditto.
1523 (*<shiftrt_insn>qi3_1_slp): Ditto.
1524 (*<rotate_insn><mode>3_1): Ditto.
1525 (*<rotate_insn>si3_1_zext): Ditto.
1526 (*<rotate_insn>qi3_1_slp): Ditto.
1528 2010-04-13 Richard Guenther <rguenther@suse.de>
1530 * tree-ssa-structalias.c (callused_id): Remove.
1531 (call_stmt_vars): New.
1532 (get_call_vi): Likewise.
1533 (lookup_call_use_vi): Likewise.
1534 (lookup_call_clobber_vi): Likewise.
1535 (get_call_use_vi): Likewise.
1536 (get_call_clobber_vi): Likewise.
1537 (make_transitive_closure_constraints): Likewise.
1538 (handle_const_call): Adjust to do per-call call-used handling.
1539 (handle_pure_call): Likewise.
1540 (find_what_var_points_to): Remove general callused handling.
1541 (init_base_vars): Likewise.
1542 (init_alias_vars): Initialize call_stmt_vars.
1543 (compute_points_to_sets): Process call-used and call-clobbered
1544 vars for call statements.
1545 (delete_points_to_sets): Free call_stmt_vars.
1547 2010-04-13 Richard Guenther <rguenther@suse.de>
1549 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1550 Only add RW dependence for dependence distance zero.
1551 Adjust maximal vectorization factor according to dependences.
1552 Move alignment handling ...
1553 (vect_find_same_alignment_drs): ... here. New function.
1554 (vect_analyze_data_ref_dependences): Adjust.
1555 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1556 (vect_analyze_data_refs): Adjust minimal vectorization factor
1557 according to data references.
1558 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1559 dependences before determining the vectorization factor.
1560 Analyze alignment after determining the vectorization factor.
1561 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1562 dependences before alignment.
1563 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1565 (vect_analyze_data_refs): Likewise.
1566 (MAX_VECTORIZATION_FACTOR): New define.
1568 2010-04-13 Duncan Sands <baldrick@free.fr>
1570 * except.h (lang_eh_type_covers): Remove.
1571 * except.c (lang_eh_type_covers): Likewise.
1573 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1574 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1576 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1577 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1578 UNITS_PER_LONG where it is ABI relevant.
1579 (s390_return_addr_rtx): Likewise.
1580 (s390_back_chain_rtx): Likewise.
1581 (s390_frame_area): Likewise.
1582 (s390_frame_info): Likewise.
1583 (s390_initial_elimination_offset): Likewise.
1584 (save_gprs): Likewise.
1585 (s390_emit_prologue): Likewise.
1586 (s390_emit_epilogue): Likewise.
1587 (s390_function_arg_advance): Likewise.
1588 (s390_function_arg): Likewise.
1589 (s390_va_start): Likewise.
1590 (s390_gimplify_va_arg): Likewise.
1591 (s390_function_profiler): Likewise.
1592 (s390_optimize_prologue): Likewise.
1593 (s390_rtx_costs): Likewise.
1594 (s390_secondary_reload): Likewise.
1595 (s390_promote_function_mode): Likewise.
1596 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1597 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1598 registers available.
1599 (s390_unwind_word_mode): New function.
1600 (s390_function_value): Split 64 bit values into register pair if
1601 used as return value.
1602 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1603 function call parameters. Handle parallels.
1604 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1605 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1606 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1607 (s390_expand_setmem): Remove unused variable src_addr.
1608 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1609 deal with 64 bit registers.
1610 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1611 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1612 (UNITS_PER_LONG): New macro.
1613 * libjava/include/s390-signal.h: Define extended ucontext
1614 structure containing the upper halfs of the 64 bit registers.
1616 2010-04-13 Simon Baldwin <simonb@google.com>
1618 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1620 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1622 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1623 rvalue on the RHS if the LHS is of a non-renamable type.
1624 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1626 2010-04-13 Matthias Klose <doko@ubuntu.com>
1628 * gcc.c (cc1_options): Handle -iplugindir before processing
1629 the cc1 spec. Only add -iplugindir once.
1630 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1632 * common.opt (iplugindir): Remove `Separate' property, initialize.
1633 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1635 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1636 (distclean): Remove plugin dir.
1637 * doc/invoke.texi: Document -iplugindir.
1639 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1641 * doc/plugins.texi (Loading Plugins): Document short
1642 -fplugin=foo option.
1643 (Plugin API): Mention default_plugin_dir_name function.
1645 * gcc.c (find_file_spec_function): Add new declaration.
1646 (static_spec_func): Use it for "find-file".
1647 (find_file_spec_function): Add new function.
1648 (cc1_options): Add -iplugindir option if -fplugin* options found.
1650 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1652 * plugin.c (add_new_plugin): Updated comment, and handle short
1654 (default_plugin_dir_name): Added new function.
1656 * common.opt (iplugindir): New option to set the plugin directory.
1658 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1660 * config/i386/i386.md (any_rotate): New code iterator.
1661 (rotate_insn): New code attribute.
1663 (SWIM124): New mode iterator.
1664 (<rotate_insn>ti3): New expander.
1665 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1666 any_rotate code iterator.
1667 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1668 using any_rotate code iterator and SWIM124 mode iterator.
1669 (ix86_rotlti3): New insn_and_split pattern.
1670 (ix86_rotrti3): Ditto.
1671 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1672 ix86_rotl{di,ti}3 patterns.
1673 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1674 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1675 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1676 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1677 code iterator and SWI mode iterator.
1678 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1679 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1681 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1682 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1683 (bswap rotatert splitter): Add splitter.
1684 (bswap splitter): Macroize splitter using any_rotate code iterator.
1685 Add insn predicate to split only for TARGET_USE_XCHGB or when
1686 optimizing function for size.
1688 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1690 * config/pa/pa.c (emit_move_sequence): Remove use of
1691 deleted variable flag_argument_noalias.
1693 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1695 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1697 Add to unsupported targets list.
1698 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1699 sparc*-sun-solaris2.[567]* from target lists.
1700 * configure: Regenerate.
1701 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1703 Remove Solaris 7 patch references.
1704 (Specific, sparc-sun-solaris2.7): Removed.
1705 (sparc-sun-solaris2*): Update Solaris 7 example.
1706 (sparc64-*-solaris2*): Likewise.
1708 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1710 * config.build (alpha*-dec-osf4*): Remove.
1711 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1712 of obsolete configurations.
1713 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1715 * config/alpha/t-osf4: Renamed to ...
1716 * config/alpha/t-osf5: ... this.
1717 * config/alpha/osf.h: Renamed to ...
1718 * config/alpha/osf5.h: ... this.
1719 Merged old osf5.h contents.
1721 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1722 (EXTRA_SPECS): Removed.
1723 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1724 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1727 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1729 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1731 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1734 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1735 __thiscall convention.
1737 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1739 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1741 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1743 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1745 * function.c (assign_parms_initialize_all): Add unused attribute
1748 2010-04-12 Richard Guenther <rguenther@suse.de>
1750 * gsstruct.def (GSS_CALL): New.
1751 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1752 * gimple.h: Include tree-ssa-alias.h.
1753 (struct gimple_statement_call): New.
1754 (union gimple_statement_struct_d): Add gimple_call member.
1755 (gimple_call_reset_alias_info): Declare.
1756 (gimple_call_use_set): New function.
1757 (gimple_call_clobber_set): Likewise.
1758 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1759 * gimple.c (gimple_call_reset_alias_info): New function.
1760 (gimple_build_call_1): Call it.
1761 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1762 * tree-inline.c (remap_gimple_stmt): Likewise.
1763 (expand_call_inline): Remove callused handling.
1764 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1765 * tree-dfa.c (dump_variable): Likewise.
1766 * tree-parloops.c (parallelize_loops): Likewise.
1767 * tree-ssa.c (init_tree_ssa): Likewise.
1768 (delete_tree_ssa): Likewise.
1769 * tree-flow-inline.h (is_call_used): Remove.
1770 * tree-flow.h (struct gimple_df): Remove callused member.
1771 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1772 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1773 (ref_maybe_used_by_call_p_1): Simplify.
1774 (call_may_clobber_ref_p_1): Likewise.
1775 * tree-ssa-structalias.c (compute_points_to_sets): Set
1776 the call stmt used and clobbered sets.
1777 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1778 (find_tail_calls): Verify the tail call.
1780 2010-04-12 Richard Guenther <rguenther@suse.de>
1782 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1783 single-iteration always-inline inlining.
1784 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1785 (cgraph_decide_inlining): Do not handle always-inline specially.
1786 (try_inline): Remove always-inline cycle detection special case.
1787 Do not recurse on always-inlines.
1788 (cgraph_early_inlining): Do not iterate if not optimizing.
1789 (cgraph_gate_early_inlining): remove.
1790 (pass_early_inline): Run unconditionally.
1791 (gate_cgraph_decide_inlining): New function.
1792 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1793 not inlining or optimizing.
1794 (cgraph_decide_inlining_of_small_functions): Also consider
1795 always-inline functions.
1796 (cgraph_default_inline_p): Return true for nodes which should
1797 disregard inline limits.
1798 (estimate_function_body_sizes): Assume zero size and time for
1799 nodes which are marked as disregarding inline limits.
1800 (cgraph_decide_recursive_inlining): Do not perform recursive
1801 inlining on always-inline nodes.
1803 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1806 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1807 for exprs satisfying handled_component_p.
1809 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1811 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1812 non-constant aggregate elements.
1814 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1815 is a real initialization.
1817 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1820 * c-decl.c (start_function): Move forward check for nested function.
1822 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1824 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1825 * config/sh/sh.c: Include reload.h.
1826 (sh_legitimize_reload_address): New.
1827 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1828 sh_legitimize_reload_address.
1830 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1832 * config/sh/sh.md (*movqi_pop): New insn pattern.
1833 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1835 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1837 * config/i386/i386.md (any_shiftrt): New code iterator.
1838 (shiftrt_insn): New code attribute.
1840 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1841 using any_shiftrt code iterator.
1842 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1843 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1844 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1845 pattern from corresponding peephole2 patterns.
1846 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1847 using any_shiftrt code iterator.
1848 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1849 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1850 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1851 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1852 *{ashr,lshr}<mode>3_cmp_zext.
1853 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1855 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1857 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1859 (*lshr<mode>3_cconly): Ditto.
1861 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1863 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1864 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1865 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1866 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1868 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1869 from corresponding peephole2 patterns.
1870 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1871 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1872 and *lshrdi3_1_rex64 using SWI mode iterator.
1873 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1874 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1875 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1876 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1877 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1878 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1879 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1880 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1881 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1884 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1886 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1887 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1888 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1889 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1891 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1892 from corresponding peephole2 patterns.
1893 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1894 (ashrsi3_cvt): Rename from ashrsi3_31.
1895 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1896 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1897 and x86_64_shift_adj_3 using SWI48 mode iterator.
1898 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1899 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1900 and *ashrdi3_1_rex64 using SWI mode iterator.
1901 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1902 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1903 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1904 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1905 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1906 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1907 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1908 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1909 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1911 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1912 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1913 x86_shift<mode>_adj_3 expanders.
1915 2010-04-10 Wei Guozhi <carrot@google.com>
1918 * config/arm/arm.c (arm_pic_static_addr): New function.
1919 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1921 (arm_output_addr_const_extra): Output expression for new pattern.
1922 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1924 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1926 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1929 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1930 * web.c: Include "insn-config.h" and "recog.h".
1931 (union_match_dups): New function.
1932 (web_main): Call it.
1933 (union_defs): Don't try to recognize match_dups.
1935 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1936 if doing so would replace the entire pattern.
1938 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1942 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1943 and splitter pattern. Change splitter operand 1 predicate to
1946 2010-04-09 Martin Jambor <mjambor@suse.cz>
1948 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1949 lattices are addresses of CONST_DECLs with the same initial value.
1950 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1951 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1953 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1954 Bernd Schmidt <bernds@codesourcery.com>
1956 * loop-invariant.c (replace_uses): New static function.
1957 (move_invariant_reg): Use it to ensure we can replace the uses.
1959 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1961 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1963 (picochip_override_options): Enable section anchors only above -O1.
1964 (picochip_reorg): Fixed a couple of build warnings.
1966 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1968 * configure.ac (plugin -rdynamic test): Log result.
1969 * configure: Regenerate.
1970 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1971 (RDYNAMIC_SPEC): Define.
1972 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1974 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1976 * configure.ac: Determine Sun ld version numbers.
1977 (comdat_group): Restrict GNU ld version checks to gld.
1978 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1979 (enable_comdat): Support --enable-comdat.
1980 * configure: Regenerate.
1981 * doc/install.texi (Configuration): Document --enable-comdat.
1983 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1985 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1986 * config/sol2-gld.h: ... here.
1987 * config.gcc (sparc*-*-solaris2*): Reflect this.
1988 (i[34567]86-*-solaris2*): Use it.
1990 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1992 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1994 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1996 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1999 * diagnostic.c (diagnostic_initialize): Initialize
2000 some_warnings_are_errors.
2001 (diagnostic_finish): New.
2002 (diagnostic_action_after_output): Call it before exiting.
2003 (diagnostic_report_diagnostic): Do not print message here. Set
2004 some_warnings_are_errors.
2005 * diagnostic.h (diagnostic_context): Delete
2006 issue_warnings_are_errors_message. Add some_warnings_are_errors.
2007 (diagnostic_finish): Declare.
2008 * toplev.c (toplev_main): Call it before exit.
2010 2010-04-09 Jason Merrill <jason@redhat.com>
2013 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
2014 for incomplete type.
2017 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
2018 based on a warning flag.
2020 2010-04-09 Richard Guenther <rguenther@suse.de>
2022 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
2024 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
2027 * varasm.c (default_assemble_visibility): Wrap vars that are
2028 set, but unused, by targets without GAS.
2029 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
2030 Remove set, but unused, vars.
2031 (rs6000_legitimize_tls_address): Likewise.
2032 (altivec_expand_dst_builtin): Likewise.
2033 * config/darwin.c (machopic_classify_symbol): Likewise.
2034 (machopic_indirection_name): Likewise.
2036 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
2038 * config/i386/i386.md (DWI): New mode iterator.
2039 (S): New mode attribute.
2040 (shift_operand): Ditto.
2041 (shift_immediate_operand): Ditto.
2042 (ashl_input_operand): Ditto.
2043 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
2044 using SDWIM mode iterator.
2045 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
2046 pattern from *ashl{di,ti}3_1 and corresponding splitters using
2048 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
2049 from corresponding peephole2 patterns.
2050 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
2051 and x86_64_shift_adj_1 using SWI48 mode iterator.
2052 (x86_shift<mode>_adj_2): Ditto.
2053 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
2054 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
2055 using SWI48 mode iterator.
2056 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
2057 *ashldi3_cmp_rex64 using SWI mode iterator.
2058 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
2059 *ashldi3_cconly_rex64 using SWI mode iterator.
2060 * config/i386/i386.c (ix86_split_ashl): Update for renamed
2061 x86_shift<mode>_adj_{1,2}.
2062 (ix86_split_ashr): Ditto.
2063 (ix86_split_lshr): Ditto.
2065 2010-04-09 Richard Guenther <rguenther@suse.de>
2067 * target.h (builtin_conversion): Pass in input and output types.
2068 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
2069 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
2070 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
2071 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
2073 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
2075 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
2077 2010-04-09 Richard Guenther <rguenther@suse.de>
2080 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
2082 2010-04-09 Richard Guenther <rguenther@suse.de>
2084 * tree-vectorizer.h (struct _stmt_vec_info): Document
2085 that vectype is the type of the LHS.
2086 (supportable_widening_operation, supportable_narrowing_operation):
2087 Get both input and output vector types as arguments.
2088 (vect_is_simple_use_1): Declare.
2089 (get_same_sized_vectype): Likewise.
2090 * tree-vect-loop.c (vect_determine_vectorization_factor):
2091 Set STMT_VINFO_VECTYPE to the vector type of the def.
2092 (vectorizable_reduction): Adjust.
2093 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
2094 Adjust. Specify the output vector type.
2095 (vect_pattern_recog_1): Adjust.
2096 * tree-vect-stmts.c (get_same_sized_vectype): New function.
2097 (vectorizable_call): Adjust.
2098 (vectorizable_conversion): Likewise.
2099 (vectorizable_operation): Likewise.
2100 (vectorizable_type_demotion): Likewise.
2101 (vectorizable_type_promotion): Likewise.
2102 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
2104 (vect_is_simple_use_1): New function.
2105 (supportable_widening_operation): Get both input and output
2107 (supportable_narrowing_operation): Likewise.
2108 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
2110 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
2112 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
2113 __thiscall and _thiscall as predefined macros.
2114 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
2115 thiscall attribute handling.
2116 (ix86_comp_type_attributes): Likewise.
2117 (ix86_function_regparm): Likewise.
2118 (ix86_return_pops_args): Likewise.
2119 (init_cumulative_args): Likewise.
2120 (find_drap_reg): Likewise.
2121 (ix86_static_chain): Likewise.
2122 (x86_this_parameter): Likewise.
2123 (x86_output_mi_thunk): Likewise.
2124 (ix86_attribute_table): Add description for thiscall attribute.
2125 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
2126 * doc/extend.texi: Add documentation for thiscall.
2128 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
2131 * c.opt (Wint-to-pointer-cast): Available in C++.
2132 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
2134 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
2136 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
2137 * calls.c (expand_call): Pass the function type to aggregate_value_p.
2138 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
2139 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
2140 function type instead. Reorder and simplify checks.
2142 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
2144 2010-04-08 Jing Yu <jingyu@google.com>
2145 Zdenek Dvorak <ook@ucw.cz>
2147 PR tree-optimization/42720
2148 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
2149 loop unswitch conditions here from ...
2150 (tree_unswitch_single_loop): ... here.
2152 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2154 * tree-if-conv.c: Fix comments and simplify logic.
2156 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
2158 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
2159 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
2160 (main_tree_if_conversion): Update call to tree_if_conversion.
2162 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
2165 * doc/invoke.texi (-b,-V): Delete.
2166 * doc/tm.texi: Do not mention -b.
2167 * gcc.c (display_help): Delete -b and -V.
2168 (process_command): Delete -b and -V.
2169 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
2171 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
2172 Wolfgang Gellerich <gellerich@de.ibm.com>
2174 Implement target hook for loop unrolling
2175 * target.h (loop_unroll_adjust): Add a new target hook function.
2176 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
2177 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
2178 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
2179 (s390_loop_unroll_adjust): Implement the new target hook for s390.
2180 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
2182 (decide_unroll_stupid): Likewise.
2184 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2187 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
2189 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2191 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
2192 (Specific, *-*-solaris2*): Likewise.
2193 Don't prefer Sun as over GNU as.
2195 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
2197 * config/s390/s390.c (override_options): Adjust the z10
2198 defaults for max-unroll-times, max-completely-peeled-insns
2199 and max-completely-peel-times.
2201 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2203 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
2204 instructions for z10.
2205 (s390_expand_setmem): Likewise.
2206 (s390_expand_cmpmem): Likewise.
2208 2010-04-08 Richard Guenther <rguenther@suse.de>
2210 PR tree-optimization/43679
2211 * tree-ssa-pre.c (eliminate): Only propagate copies.
2213 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2216 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2217 set but not used variable warning.
2219 2010-04-08 Wei Guozhi <carrot@google.com>
2222 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2223 (arm_size_rtx_costs): Call the new function when optimized for size.
2225 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2228 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2229 op0 is not a MEM, just return NULL instead of assertion
2231 (discover_nonconstant_array_refs): Don't walk debug stmts.
2233 2010-04-08 Doug Kwan <dougkwan@google.com>
2235 * configure.ac: Recognize gold and do not use its version number
2236 to test ld features.
2237 * configure: Regenerate.
2239 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2242 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2243 (negate_value): Move code to push elements to broken_up_substracts ...
2244 (eliminate_plus_minus_pair): ... here. Push operands that have no
2245 negative pair to plus_negates.
2246 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2248 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2250 * doc/install.texi (Configuration): Move description of
2251 --enable-lto, --with-libelf*, --enable-gold from Java section to
2254 * doc/generic.texi (Working with declarations)
2255 (Function Properties, C and C++ Trees): Fix typos.
2256 * doc/sourcebuild.texi (Top Level): Likewise.
2258 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2261 * tree.h (DECL_READ_P): Define.
2262 (struct tree_decl_common): Add decl_read_flag.
2263 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2264 a set but not used warning.
2265 (merge_decls): Merge DECL_READ_P flag.
2266 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2267 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2268 * c-common.c (handle_used_attribute, handle_unused_attribute):
2270 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2272 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2274 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2275 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2276 c_parser_binary_expression, c_parser_cast_expression,
2277 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2278 Call default_function_array_read_conversion instead of
2279 default_function_array_conversion where needed.
2280 (c_parser_unary_expression, c_parser_conditional_expression,
2281 c_parser_postfix_expression_after_primary, c_parser_initelt):
2282 Likewise. Call mark_exp_read where needed.
2283 (c_parser_statement_after_labels, c_parser_asm_operands,
2284 c_parser_typeof_specifier, c_parser_sizeof_expression,
2285 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2287 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2289 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2290 (warn_unused_but_set_parameter): Default to warn_unused
2292 * doc/invoke.texi: Document -Wunused-but-set-variable and
2293 -Wunused-but-set-parameter.
2295 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2296 used count variable.
2297 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2298 when operandN variables aren't used in the body of the expander
2300 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2301 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2302 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2303 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2304 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2305 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2306 * tree.c (PROCESS_ARG): Likewise.
2308 2010-04-07 Simon Baldwin <simonb@google.com>
2310 * diagnostic.h (diagnostic_override_option_index): New macro to
2311 set a diagnostic's option_index.
2312 * c-tree.h (c_cpp_error): Add warning reason argument.
2313 * opts.c (_warning_as_error_callback): New.
2314 (register_warning_as_error_callback): Store callback for
2315 warnings enabled via enable_warning_as_error.
2316 (enable_warning_as_error): Call callback, minor code tidy.
2317 * opts.h (register_warning_as_error_callback): Declare.
2318 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2319 response to -Werror=.
2320 (c_common_init_options): Register warning_as_error_callback in opts.c.
2321 * common.opt: Add -Wno-cpp option.
2322 * c-common.c (struct reason_option_codes_t): Map cpp warning
2323 reason codes to gcc option indexes.
2324 * (c_option_controlling_cpp_error): New function, lookup the gcc
2325 option index for a cpp warning reason code.
2326 * (c_cpp_error): Add warning reason argument, call
2327 c_option_controlling_cpp_error for diagnostic_override_option_index.
2328 * doc/invoke.texi: Document -Wno-cpp.
2330 2010-04-07 Richard Guenther <rguenther@suse.de>
2332 * ipa-reference.c (mark_load): Use get_base_address.
2333 (mark_store): Likewise.
2335 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2336 inserting GIMPLE_NOPs into the IL.
2337 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2338 Explicitly strip handled components and indirect references.
2340 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2341 folding address expressions.
2342 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2343 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2344 operand_equal_p to compare decls.
2345 (ptr_deref_may_alias_decl_p): Likewise.
2346 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2347 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2348 Handle reversed comparison ops.
2349 * tree-sra.c (asm_visit_addr): Use get_base_address.
2350 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2351 * ipa-reference.c (mark_address): Use get_base_address.
2353 2010-04-07 Richard Guenther <rguenther@suse.de>
2355 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2356 Propagate constants everywhere.
2358 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2361 * tree.c (MAX_INT_CACHED_PREC): Define.
2362 (nonstandard_integer_type_cache): New array.
2363 (build_nonstandard_integer_type): Cache results for precision
2364 <= MAX_INT_CACHED_PREC.
2366 2010-04-07 Richard Guenther <rguenther@suse.de>
2368 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2369 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2370 * common.opt: Likewise.
2371 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2372 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2373 (nonoverlapping_memrefs_p): Likewise.
2374 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2375 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2376 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2377 OPT_fargument_noalias_global for backward compatibility.
2379 2010-04-07 Richard Guenther <rguenther@suse.de>
2381 PR tree-optimization/43270
2382 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2383 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2384 * tree-ssa-pre.c (phi_translate_1): Adjust.
2385 (fully_constant_expression): Split out vn_reference handling to ...
2386 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2387 Fold reads from constant strings.
2388 (vn_reference_lookup): Handle fully constant references.
2389 (vn_reference_lookup_pieces): Likewise.
2390 * Makefile.in (expmed.o-warn): Add -Wno-error.
2392 2010-04-07 Martin Jambor <mjambor@suse.cz>
2394 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2396 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2399 * gcc.c: Add -static-libstdc++ to list of recognized options.
2401 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2403 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2405 2010-04-07 Richard Guenther <rguenther@suse.de>
2408 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2409 bases build simple mem attributes to retain points-to information.
2411 2010-04-07 Richard Guenther <rguenther@suse.de>
2414 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2415 preserve points-to related information.
2417 2010-04-07 Richard Guenther <rguenther@suse.de>
2420 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2421 discard plain indirect references.
2422 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2423 * tree.c (tree_nop_conversion): Likewise.
2425 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2428 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2430 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2432 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2433 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2435 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2437 * tree-if-conv.c: Fix indentation and comments.
2439 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2441 * tree-if-conv.c: Sort static functions in topological order.
2443 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2445 * tree-if-conv.c: Fix indentation and comments.
2447 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2450 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2451 lang_hooks.types.type_for_size instead of
2452 build_nonstandard_integer_type.
2453 When converting an unsigned type to signed, double its precision.
2454 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2455 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2456 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2459 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2462 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2463 POINTER_PLUS_EXPR for pointer types.
2465 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2468 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2469 * graphite-clast-to-gimple.c: Include langhooks.h.
2470 (max_signed_precision_type): New.
2471 (max_precision_type): Takes two types as arguments.
2472 (precision_for_value): New.
2473 (precision_for_interval): New.
2474 (gcc_type_for_interval): New.
2475 (gcc_type_for_value): New.
2476 (gcc_type_for_clast_term): New.
2477 (gcc_type_for_clast_red): New.
2478 (gcc_type_for_clast_bin): New.
2479 (gcc_type_for_clast_expr): Split up into several functions.
2480 (gcc_type_for_clast_eq): Rewritten.
2481 (compute_bounds_for_level): New.
2482 (compute_type_for_level_1): New.
2483 (compute_type_for_level): New.
2484 (gcc_type_for_cloog_iv): Removed.
2485 (gcc_type_for_iv_of_clast_loop): Rewritten.
2486 (graphite_create_new_loop): Compute the lower and upper bound types
2487 with gcc_type_for_clast_expr.
2488 (graphite_create_new_loop_guard): Same.
2489 (find_cloog_iv_in_expr): Removed.
2490 (compute_cloog_iv_types_1): Removed.
2491 (compute_cloog_iv_types): Removed.
2492 (gloog): Do not call compute_cloog_iv_types.
2493 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2495 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2496 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2497 (GBB_CLOOG_IV_TYPES): Removed.
2499 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2501 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2502 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2503 (detect_commutative_reduction): Same.
2505 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2507 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2508 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2510 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2511 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2512 (rewrite_commutative_reductions_out_of_ssa): Same.
2513 * passes.c (execute_function_todo): Call verify_ssa for every pass
2514 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2515 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2516 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2517 with an extra argument.
2518 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2519 verify_ssa only when the extra argument is true.
2520 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2521 with an extra argument.
2522 (tree_transform_and_unroll_loop): Same.
2524 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2526 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2527 for all the passes of the LNO having LOOP_CLOSED_SSA.
2528 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2529 * tree-loop-distribution.c (pass_loop_distribution): Same.
2530 * tree-pass.h (TODO_verify_loops): Removed.
2531 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2533 (pass_tree_unswitch): Same.
2534 (pass_predcom): Same.
2535 (pass_vectorize): Same.
2536 (pass_linear_transform): Same.
2537 (pass_graphite_transforms): Same.
2538 (pass_iv_canon): Same.
2539 (pass_complete_unroll): Same.
2540 (pass_complete_unrolli): Same.
2541 (pass_parallelize_loops): Same.
2542 (pass_loop_prefetch): Same.
2543 (pass_iv_optimize): Same.
2545 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2548 * passes.c (init_optimization_passes): Move pass_lim before
2549 pass_copy_prop and pass_dce_loop.
2551 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2554 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2555 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2556 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2557 MULTI_* defines for 4 argument vpermil2p* builtins.
2559 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2561 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2562 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2563 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2564 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2565 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2566 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2567 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2568 Use x86_maybe_negate_const_int to output insn mnemonic.
2569 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2570 check from instruction predicate. Update comments.
2571 * config/i386/sync.md (sync_add<mode>): Use
2572 x86_maybe_negate_const_int to output insn mnemonic.
2574 2010-04-06 Jan Hubicka <jh@suse.cz>
2576 PR tree-optimization/42906
2577 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2578 IGNORE_SELF argument. Set visited_control_parents for fully
2580 (find_obviously_necessary_stmts): Update call of
2581 mark_control_dependent_edges_necessary.
2582 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2584 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2586 * config/i386/i386.md: Remove comment about 'e' and 'E'
2589 2010-04-06 Richard Guenther <rguenther@suse.de>
2591 PR tree-optimization/43627
2592 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2593 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2596 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2598 * BASE-VER: Change to 4.6.0.
2601 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2604 2010-04-06 Richard Guenther <rguenther@suse.de>
2607 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2609 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2611 * doc/invoke.texi (Optimize Options): Document that LTO
2612 won't remove object access purely due to incompatible
2615 2010-04-04 Matthias Klose <doko@ubuntu.com>
2617 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2618 Initialize variable.
2620 2010-04-03 Richard Guenther <rguenther@suse.de>
2623 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2624 require a non-NULL MEM_OFFSET.
2626 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2628 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2629 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2630 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2631 config/alpha/predicates.md, config/arm/arm.md,
2632 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2633 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2634 config/darwin9.h, config/darwin.c, config/darwin.h,
2635 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2636 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2637 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2638 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2639 config/mips/mips.md, config/mn10300/mn10300.c,
2640 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2641 config/rs6000/aix.h, config/rs6000/dfp.md,
2642 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2643 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2644 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2645 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2646 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2647 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2648 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2649 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2650 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2651 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2652 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2653 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2654 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2655 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2656 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2657 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2658 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2659 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2660 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2661 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2662 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2663 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2664 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2665 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2666 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2667 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2668 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2669 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2670 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2671 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2672 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2673 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2674 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2675 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2676 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2677 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2679 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2682 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2683 * aclocal.m4: Regenerate.
2685 2010-04-02 Richard Guenther <rguenther@suse.de>
2687 PR tree-optimization/43629
2688 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2689 if we have seen a constant value.
2691 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2693 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2695 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2698 * arm.c (legitimize_tls_address): Adjust call to
2699 gen_tls_load_dot_plus_four.
2700 (arm_note_pic_base): New function.
2701 (arm_cannot_copy_insn_p): Use it.
2702 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2705 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2710 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2712 * Makefile.in ($(out_object_file)): Depend on
2713 gt-$(basename $(notdir $(out_file))).h.
2715 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2717 * config.gcc (lm32-*-rtems*): Add t-lm32.
2719 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2721 * config.gcc: Add lm32-*-rtems*.
2722 * config/lm32/rtems.h: New file.
2724 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2727 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2729 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2731 * dwarf2out.c (output_compilation_unit_header): For
2732 -gdwarf-4 use version 4 instead of version 3.
2733 (output_line_info): For version 4 and above emit additional
2734 maximum ops per insn header field.
2735 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2737 * dwarf2out.c (is_c_family, is_java): Remove.
2738 (lower_bound_default): New function.
2739 (add_bound_info, gen_descr_array_type_die): Use it.
2741 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2744 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2745 re-declaration when it happens in a function.
2747 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2749 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2750 (cgraph_remove_function_insertion_hook): Same.
2751 (cgraph_call_function_insertion_hooks): Same.
2753 2010-04-01 Richard Guenther <rguenther@suse.de>
2756 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2757 and TREE_THIS_VOLATILE.
2758 (copy_ref_info): Likewise.
2759 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2760 * tree.c (build6_stat): Ignore side-effects of all but arg5
2761 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2764 2010-04-01 Richard Guenther <rguenther@suse.de>
2766 PR tree-optimization/43607
2767 * ipa-type-escape.c (check_call): Do not access non-existing
2770 2010-04-01 Richard Guenther <rguenther@suse.de>
2774 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2775 Jack Howarth <howarth@bromo.med.uc.edu>
2777 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2780 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2782 * doc/install.texi (Prerequisites): Document libelf usability on
2783 IRIX 5/6 and Solaris 2.
2784 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2785 Update GNU as, GNU ld requirements.
2786 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2787 Document Sun Studio compiler download.
2788 Update and simplify as, ld recommendations.
2789 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2791 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2793 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2794 with_tune_32 to pentium4.
2796 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2798 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2800 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2802 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2803 obsoletion, removal.
2805 Document GNU as requirement.
2806 Update configure requirements.
2807 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2808 Recomment IRIX 6.5.18+.
2809 Document IDF/IDL requirement.
2810 Document GNU as requirement.
2811 Document GNU ld bootstrap failure.
2812 Remove freeware.sgi.com reference.
2814 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2816 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2817 UNIX V4.0, V5.0 obsoletion, removal.
2818 Remove --with-gc=simple reference.
2819 Update VM requirements during bootstrap.
2820 Remove -oldas bootstrap description.
2821 Update binutils reference.
2822 Remove comparison failure note.
2824 2010-03-31 Richard Guenther <rguenther@suse.de>
2825 Zdenek Dvorak <ook@ucw.cz>
2826 Sebastian Pop <sebastian.pop@amd.com>
2829 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2830 with multiple arguments.
2831 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2833 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2835 * graphite-dependences.c (print_pddr): Call print_pdr with an
2837 * graphite-poly.c (debug_pdr): Add an extra argument for the
2840 (print_pbb_domain): Same.
2842 (print_scop_context): Same.
2844 (print_cloog): Same.
2845 (debug_pbb_domain): Same.
2849 (debug_scop_context): Same.
2851 (debug_cloog): Same.
2852 (print_scop_params): Same.
2853 (debug_scop_params): Same.
2854 (print_iteration_domain): Same.
2855 (print_iteration_domains): Same.
2856 (debug_iteration_domain): Same.
2857 (debug_iteration_domains): Same.
2858 (print_scattering_function): Same.
2859 (print_scattering_functions): Same.
2860 (debug_scattering_function): Same.
2861 (debug_scattering_functions): Same.
2862 * graphite-poly.h (debug_pdr): Update declaration.
2864 (print_pbb_domain): Same.
2866 (print_scop_context): Same.
2868 (print_cloog): Same.
2869 (debug_pbb_domain): Same.
2873 (debug_scop_context): Same.
2875 (debug_cloog): Same.
2876 (print_scop_params): Same.
2877 (debug_scop_params): Same.
2878 (print_iteration_domain): Same.
2879 (print_iteration_domains): Same.
2880 (debug_iteration_domain): Same.
2881 (debug_iteration_domains): Same.
2882 (print_scattering_function): Same.
2883 (print_scattering_functions): Same.
2884 (debug_scattering_function): Same.
2885 (debug_scattering_functions): Same.
2887 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2889 * graphite-poly.c (print_scattering_function_1): New.
2890 (print_scattering_function): Call it.
2891 (print_scop_params): Remove spaces at the end of lines.
2894 * graphite-poly.h (print_cloog): Declared.
2895 (debug_cloog): Declared.
2897 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2899 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2901 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2902 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2903 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2904 to switch between adding the IV bump in loop->latch or in loop->header.
2906 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2908 * graphite-poly.c (print_scattering_function): Pretty print following
2911 (print_pbb_domain): Same.
2912 (dump_gbb_cases): Same.
2913 (dump_gbb_conditions): Same.
2916 (print_scop_params): Same.
2917 (print_scop_context): Same.
2919 (print_pbb_body): New.
2920 (lst_indent_to): New.
2921 (print_lst): Start new lines with a #.
2922 * graphite-poly.h (pbb_bb): New.
2923 (pbb_index): Use pbb_bb.
2924 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2926 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2928 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2930 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2931 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2932 and 0 instead of 1 for dw_val_class_flag.
2933 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2934 dw_val_class_range_list, dw_val_class_loc_list,
2935 dw_val_class_lineptr and dw_val_class_macptr, use
2936 DW_FORM_flag_present for dw_val_class_flag and
2937 DW_FORM_exprloc for dw_val_class_loc.
2938 (output_die): For -gdwarf-4 print dw_val_class_loc
2939 size as uleb128 instead of 1 or 2 bytes and don't print
2940 anything for dw_val_class_flag.
2942 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2943 instead of cselib_lookup following by tweaking locs->setting_insn.
2946 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2947 even before returning from label, setjmp call or volatile asm
2950 2010-03-31 Richard Guenther <rguenther@suse.de>
2953 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2954 temporary data on stack.
2956 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2958 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2959 (PUSHSECTION_ASM_OP): Remove.
2960 (POPSECTION_ASM_OP): Remove.
2961 (PUSHSECTION_FORMAT): Remove.
2962 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2963 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2964 * config/sol2.c (solaris_output_init_fini): Use it.
2966 2010-03-31 Jie Zhang <jie@codesourcery.com>
2969 * opt-functions.awk (var_type_struct): Use signed char type
2970 for simple variables.
2972 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2974 * config/sol2.c: Include output.h.
2975 (solaris_assemble_visibility): New function.
2976 * config/t-sol2 (sol2.o): Add output.h dependency.
2977 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2978 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2981 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2984 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2985 V2SImode or XFmode on PRE_DEC.
2988 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2991 2010-03-31 Jie Zhang <jie@codesourcery.com>
2994 * reload.h (caller_save_initialized_p): Declare.
2995 * toplev.c (backend_init_target): Don't call
2996 init_caller_save but set caller_save_initialized_p to false.
2997 * caller-save.c (caller_save_initialized_p): Define.
2998 (init_caller_save): Check caller_save_initialized_p.
2999 * ira.c (ira): Call init_caller_save if flag_caller_saves.
3001 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3004 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
3005 and soft-fp/t-softfp to tmake_file.
3006 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
3007 (LIBGCC2_TF_CEXT): Define.
3010 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
3013 * cselib.c (n_useless_values): Document handling of debug locs.
3014 (n_useless_debug_values, n_debug_values): New variables.
3015 (new_elt_loc_list): Don't add to debug values, keep count.
3016 (promote_debug_loc): New.
3017 (cselib_reset_table): Zero new variables.
3018 (entry_and_rtx_equal_p): Promote debug locs.
3019 (discard_useless_locs): Increment n_useless_debug_values for
3021 (remove_useless_values): Adjust n_useless_values and n_debug_values
3022 with n_useless_debug_values.
3023 (add_mem_for_addr): Promote debug locs.
3024 (cselib_lookup_mem): Likewise.
3025 (cselib_lookup_addr): Renamed to...
3026 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
3027 (cselib_log_lookup): ... this. Turn into...
3028 (cselib_lookup_addr): ... new wrapper.
3029 (cselib_lookup_from_insn): New.
3030 (cselib_invalidate_regno): Increment n_useless_debug_values for
3032 (cselib_invalidate_mem): Likewise.
3033 (cselib_process_insn): Take n_deleted and n_debug_values into
3034 account to guard remove_useless_value call.
3035 (cselib_finish): Zero n_useless_debug_values.
3036 * cselib.h (cselib_lookup_from_insn): Declare.
3037 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
3038 (sched_analyze_2): Likewise.
3040 2010-03-30 Jakub Jelinek <jakub@redhat.com>
3042 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
3044 (adjust_mems): Replace narrowing SUBREG of expression containing
3045 just PLUS, MINUS, MULT and ASHIFT of registers and constants
3046 with operations in the narrower mode.
3049 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
3050 regs_invalidated_by_call instead all call_used_reg_set registers.
3052 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
3055 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
3056 pointer comparisons with types_compatible_p.
3057 * tree-vect-stmts.c (vectorizable_call): Same.
3058 (vectorizable_condition): Same.
3060 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3062 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
3063 stack check if the mask would be zero.
3065 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
3066 Jack Howarth <howarth@bromo.med.uc.edu>
3068 * tree-profile.c (tree_init_ic_make_global_vars): Make static
3071 2010-03-30 Joseph Myers <joseph@codesourcery.com>
3074 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
3076 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
3077 Include ___unordxf2 and ___unordtf2.
3078 * config/i386/libgcc-glibc.ver: Do not define inheritance from
3081 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
3083 * config/lm32/t-lm32: New file.
3084 * config.gcc: Use the above file when targetting lm32.
3086 2010-03-28 Duncan Sands <baldrick@free.fr>
3088 * Makefile.in (PLUGIN_HEADERS): Add except.h.
3090 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3093 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
3094 Improve vectorization cost model diagnostic.
3096 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
3099 * tree-vect-data-refs.c (vect_analyze_data_refs): When
3100 compute_data_dependences_for_loop returns false, early exit
3101 and output an extra diagnostic for the failed data reference
3104 2010-03-29 Richard Guenther <rguenther@suse.de>
3106 PR tree-optimization/43560
3107 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
3108 (can_sm_ref_p): Treat stores to readonly locations as trapping.
3110 2010-03-29 Jie Zhang <jie@codesourcery.com>
3113 * toplev.c (process_options): Set optimization_default_node
3114 and optimization_current_node.
3115 * opts.c (decode_options): Don't set optimization_default_node
3116 and optimization_current_node.
3118 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
3120 * config/rtems.h: Abandon -qrtems_debug.
3122 2010-03-28 Jan Hubicka <jh@suse.cz>
3124 PR tree-optimization/43505
3125 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
3126 map should not be copied.
3128 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3131 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
3132 cdtors, set DECL_PRESERVE_P.
3133 * ipa.c (cgraph_externally_visible_p): Return true if declaration
3136 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
3138 PR tree-optimization/43528
3139 * stor-layout.c (place_field): Check that constant fits into
3140 unsigned HWI when skipping calculation of MS bitfield layout.
3142 2010-03-27 Jan Hubicka <jh@suse.cz>
3145 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
3146 notice_global_symbol work.
3148 2010-03-27 Jakub Jelinek <jakub@redhat.com>
3150 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
3151 instead of dwarf2out_decl.
3152 (struct var_loc_node): Remove section_label field.
3153 (dwarf2out_function_decl): New function.
3154 (dwarf2out_var_location): Don't set section_label field.
3155 (dwarf2out_begin_function): Don't empty decl_loc_table here.
3157 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
3159 PR tree-optimization/43544
3160 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
3161 First argument for builtin vectorized function hook is now a
3162 tree to be able to distinguish between machine specific and
3164 * targhooks.c (default_builtin_vectorized_function): Ditto.
3165 * targhooks.h (default_builtin_vectorized_function): Ditto.
3166 * target.h (struct gcc_target): Ditto.
3167 * tree-vect-stmts.c (vectorizable_function): Ditto.
3168 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
3169 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
3172 2010-03-26 Joseph Myers <joseph@codesourcery.com>
3175 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
3176 nested binding iff it is a FUNCTION_DECL.
3177 (store_parm_decls_newstyle): Pass nested=true to bind for
3178 FUNCTION_DECLs amongst parameters.
3180 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3182 * var-tracking.c (vt_expand_loc_callback): Don't run
3183 cselib_expand_value_rtx_cb in dummy mode if
3184 cselib_dummy_expand_value_rtx_cb returned false.
3186 * var-tracking.c (emit_note_insn_var_location): For one part
3187 notes with offset 0, don't add EXPR_LIST around the location.
3188 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
3189 add_location_or_const_value_attribute): Adjust for that change.
3192 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
3193 into first operand and location into second.
3194 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
3195 dw_cfi_oprnd_loc for DW_CFA_expression.
3196 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
3197 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
3198 assume first argument is regnum and second argument is location.
3200 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3203 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
3204 of scratch register to DImode. Split to DImode comparison operator.
3205 Use SImode subreg of scratch register in the multiplication.
3206 (*cmp_sadd_sidi): Ditto.
3207 (*cmp_ssub_si): Ditto.
3208 (*cmp_ssub_sidi): Ditto.
3210 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
3213 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3214 Remove invalid assert and wrong comment.
3216 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3219 * flags.h (final_insns_dump_p): New extern.
3220 * final.c (final_insns_dump_p): New variable.
3221 (rest_of_clean_state): Set it before -fdump-final-insns=
3222 dumping, clear afterwards.
3223 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3224 MEM_ALIAS_SET on MEMs.
3226 2010-03-26 David S. Miller <davem@davemloft.net>
3228 * configure.ac: Fix sparc GOTDATA_OP bug check.
3229 * configure: Rebuild.
3231 2010-03-26 Alan Modra <amodra@gmail.com>
3233 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3235 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3237 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3238 TLS_SECTION_ASM_FLAG.
3240 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3243 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3244 Clear first_function_block_is_cold.
3247 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3248 argument if the argument is truth_value_p.
3250 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3252 * config/rs6000/constraints.md: Update copyright year for my changes.
3255 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3256 used in reg+reg addressing, swap registers.
3258 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3261 * target.h (struct gcc_target): Add code_end hook.
3262 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3264 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3265 * toplev.c (compile_file): Call targetm.asm_out.code_end
3266 hook before unwind info/debug info output.
3267 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3268 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3269 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3270 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3271 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3272 * config/i386/i386.c (ix86_file_end): Renamed to...
3273 (ix86_code_end): ... this. Make static. Don't call
3274 file_end_indicate_exec_stack. Emit unwind info using
3275 final_start_function/final_end_function.
3276 (darwin_x86_file_end): Remove.
3277 (TARGET_ASM_CODE_END): Define.
3278 * config/i386/i386.h (TARGET_ASM_FILE_END,
3279 NEED_INDICATE_EXEC_STACK): Don't define.
3280 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3281 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3282 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3283 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3286 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3287 at the beginning and final_end_function at the end.
3288 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3290 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3292 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3293 and Sun as TLS syntax.
3294 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3295 * configure: Regenerate.
3296 * config.in: Regenerate.
3297 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3298 (default_elf_asm_named_section): Use it.
3299 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3300 (i386_output_dwarf_dtprel): Likewise.
3301 (output_addr_const_extra): Likewise.
3302 (output_pic_addr_const): Lowercase @GOTTPOFF.
3303 (output_addr_const_extra): Likewise.
3304 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3305 (output_addr_const_extra): Likewise.
3306 (output_pic_addr_const): Lowercase @INDNTPOFF.
3307 (output_addr_const_extra): Likewise.
3308 (output_pic_addr_const): Lowercase @NTPOFF.
3309 (output_addr_const_extra): Likewise.
3310 (output_pic_addr_const): Lowercase @TPOFF.
3311 (output_addr_const_extra): Likewise.
3312 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3313 (*tls_global_dynamic_64): Likewise.
3314 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3315 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3317 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3318 (ASM_OUTPUT_TLS_COMMON): Use it.
3319 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3322 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3323 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3324 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3325 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3326 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3327 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3329 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3331 * config/i386/i386.c (override_options): Don't accept
3332 -mtls-dialect=sun any longer.
3333 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3334 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3335 (*tls_local_dynamic_base_32_sun): Likewise.
3336 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3338 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3341 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3342 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3345 * ira.c (adjust_cleared_regs): New function.
3346 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3350 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3352 * expr.c (expand_expr_real): Restore previous
3353 curr_insn_source_location and curr_insn_block after
3354 expand_expr_real_1 call.
3355 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3356 instead of expand_expr_real_1.
3358 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3360 PR rtl-optimization/43413
3361 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3364 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3367 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3368 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3370 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3372 * config/i386/i386.c (ix86_target_string): Add -mfma.
3373 Fix a typo in comment.
3375 2010-03-22 Mike Stump <mikestump@comcast.net>
3378 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3379 Don't overly align based upon packed packed fields.
3381 2010-03-22 Jason Merrill <jason@redhat.com>
3383 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3384 Use () rather than [], and move before the element type.
3386 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3388 * doc/configfiles.texi (Configuration Files): Removed
3389 fixinc/Makefile*, intl/Makefile.*.
3390 * doc/makefile.texi: Fixed markup. Abstract from version
3391 control system used.
3392 (Makefile): Removed obsolete gcc/java/parse.y example.
3393 * doc/sourcebuild.texi: Likewise.
3394 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3395 libgomp, libssp. Removed fastjar.
3396 (Miscellaneous Docs): Clarify location.
3397 Added COPYING3, COPYING3.LIB.
3398 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3400 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3403 * config/i386/i386.c (x86_function_profiler)
3404 [!NO_PROFILE_COUNTERS]: Fix typo.
3405 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3408 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3409 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3411 * doc/sourcebuild.texi (Test Directives): Split into six
3412 subsections, with most of the current text in new subsections
3413 Directives, Selectors, and Final Actions.
3414 (Directives): Split list of test directives into multiple
3416 (Selectors): Describe use and syntax of selectors.
3417 (Effective-Target Keywords): Describe all existing keywords.
3418 (Add Options): Describe features for dg-add-options.
3419 (Require Support): Describe variants of dg-require-support.
3420 (Final Actions): Describe commands to use in dg-final.
3422 2010-03-22 Michael Matz <matz@suse.de>
3425 * recog.c (validate_replace_rtx_group): Replace also in
3426 REG_EQUAL and REG_EQUIV notes.
3428 2010-03-22 Richard Guenther <rguenther@suse.de>
3430 PR tree-optimization/43390
3431 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3432 sure vector extracts are type correct.
3434 2010-03-22 Richard Guenther <rguenther@suse.de>
3437 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3438 x * sqrt (x) even when optimizing for size if the target
3439 has native support for sqrt.
3441 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3443 * varasm.c (make_decl_rtl_for_debug): Also clear
3444 flag_mudflap for the duration of make_decl_rtl call.
3447 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3448 locs from preserved VALUEs.
3450 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3453 * pa.md (movmemsi): Set align to one if zero.
3454 (movmemdi): Likewise.
3456 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3459 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3460 with their corresponding prologue pushes.
3462 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3465 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3466 at the begining or end.
3467 (spu_expand_epilogue): Likewise.
3469 2010-03-20 Richard Guenther <rguenther@suse.de>
3471 PR rtl-optimization/43438
3472 * combine.c (make_extraction): Properly zero-/sign-extend an
3473 extraction of the low part of a CONST_INT. Also handle
3476 2010-03-19 Mike Stump <mikestump@comcast.net>
3478 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3479 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3480 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3482 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3485 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3488 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3490 PR rtl-optimization/42258
3491 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3492 use that may match DEF.
3495 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3496 the cost of loading the constant rather than assuming
3498 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3499 outer code is AND, do the same tests as the andsi3 expander and
3500 return COSTS_N_INSNS (1) if and is cheap.
3502 * optabs.c (avoid_expensive_constant): Fix formatting.
3504 2010-03-19 Michael Matz <matz@suse.de>
3507 * attribs.c (decl_attributes): When rebuilding a function pointer
3508 type use the same qualifiers as the original pointer type.
3510 2010-03-19 Martin Jambor <mjambor@suse.cz>
3512 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3513 and is_gimple_ip_invariant_address.
3515 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3518 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3520 * config/arm/arm.c (arm_override_options): Turn off
3521 flag_dwarf2_cfi_asm for AAPCS variants.
3523 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3526 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3527 Use PRE_MODIFY instead of PRE_DEC.
3528 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3529 (vfp_emit_fstmd): Likewise.
3531 2010-03-19 Michael Matz <matz@suse.de>
3534 * builtins.c (expand_builtin_interclass_mathfn,
3535 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3538 2010-03-19 Richard Guenther <rguenther@suse.de>
3540 PR tree-optimization/43415
3541 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3542 (phi_translate_1): ... this.
3543 (phi_translate): Move all caching here. Cache all NARY
3544 and REFERENCE translations.
3546 2010-03-19 David S. Miller <davem@davemloft.net>
3548 With help from Eric Botcazou.
3549 * config/sparc/sparc.c: Include dwarf2out.h.
3550 (emit_pic_helper): Delete.
3551 (pic_helper_symbol_name): Delete.
3552 (pic_helper_emitted_p): Delete.
3553 (pic_helper_needed): New.
3554 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3555 (get_pc_thunk_name): New.
3556 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3557 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3558 Set pic_helper_needed to true. Don't call emit_pic_helper.
3559 (sparc_expand_prologue): Update load_pic_register call.
3560 (sparc_output_mi_thunk): Likewise.
3561 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3562 thunk if possible. Output CFI information as needed.
3564 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3565 Jack Howarth <howarth@bromo.med.uc.edu>
3568 * config/i386/i386.h: Fix ABI on darwin x86-32.
3570 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3572 * tree.h: Declare make_decl_rtl_for_debug.
3573 * varasm.c (make_decl_rtl_for_debug): New.
3574 * dwarf2out.c (rtl_for_decl_location): Call it.
3575 * cfgexpand.c (expand_debug_expr): Call it.
3577 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3580 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3584 * var-tracking.c (vt_init_cfa_base): Do nothing if
3585 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3587 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3590 * var-tracking.c (canonicalize_vars_star): New.
3591 (dataflow_post_merge_adjust): Use it.
3593 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3596 * var-tracking.c (non_suitable_const): New function.
3597 (add_uses): For DEBUG_INSNs with constants, don't record any
3598 value, instead just the constant value itself.
3599 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3600 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3601 (emit_notes_in_bb): Likewise.
3602 (emit_note_insn_var_location): For onepart variables if
3603 cur_loc is a VOIDmode constant, use DECL_MODE.
3605 2010-03-18 Martin Jambor <mjambor@suse.cz>
3608 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3609 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3610 all non-clones. Moved call redirection...
3611 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3612 (cgraph_materialize_all_clones): Dispose of all
3613 combined_args_to_skip bitmaps.
3614 (verify_cgraph_node): Do not check for edges pointing to wrong
3615 nodes in inline clones.
3616 * tree-inline.c (copy_bb): Call
3617 cgraph_redirect_edge_call_stmt_to_callee.
3618 * ipa.c (cgraph_remove_unreachable_nodes): Call
3619 cgraph_node_remove_callees even when there are used clones.
3621 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3623 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3625 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3628 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3631 2010-03-18 Michael Matz <matz@suse.de>
3634 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3635 into sqrt(x) if we need to preserve signed zeros.
3637 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3638 Eric Botcazou <ebotcazou@adacore.com>
3640 PR rtl-optimization/43360
3641 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3642 note if we don't know its invariant status.
3644 2010-03-18 Michael Matz <matz@suse.de>
3646 PR tree-optimization/43402
3647 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3648 PHI chains of ssa names registered for update.
3650 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3653 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3654 non-offsettable and pre_modify update addressing.
3655 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3656 and "2" alternatives "#".
3657 (*movdd_softfloat32): Make all alternatives "#";
3658 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3659 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3660 (*movdf_softfloat32): Make all alternatives "#";
3661 (movdi): Use the new DIFD mode iterator to create a common splitter
3662 for movdi, movdf and movdd patterns.
3664 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3666 * common.opt (dumpdir): Remove redundant tab.
3668 2010-03-17 Martin Jambor <mjambor@suse.cz>
3670 PR tree-optimization/43347
3671 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3672 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3674 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3676 PR rtl-optimization/42216
3677 * regrename.c (create_new_chain): New function, broken out from...
3678 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3679 appending a use to an empty chain.
3680 (build_def_use): Remove previous changes that convert OP_INOUT to
3681 OP_OUT operands; instead detect the case where an OP_INOUT operand
3682 uses a previously untracked register and create an empty chain for it.
3684 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3686 * doc/extend.texi (Function Attributes): Rewrite unfinished
3687 sentence in ms_abi documentation.
3689 2010-03-17 Alan Modra <amodra@gmail.com>
3691 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3692 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3693 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3694 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3696 2010-03-16 Richard Henderson <rth@redhat.com>
3699 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3700 (lower_try_finally): Save and restore eh_seq around the expansion
3703 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3705 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3706 statements before splitting block.
3708 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3710 * doc/sourcebuild.texi (Testsuites): Fix markup.
3711 Use pathnames relative to gcc/testsuite.
3712 (Test Directives): Move description of how timeout is determined.
3713 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3714 (C Tests): Correct gcc.misc-tests directory.
3715 Framework tests now live in gcc.test-framework.
3717 2010-03-16 Richard Guenther <rguenther@suse.de>
3720 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3721 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3723 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3724 Alexandre Oliva <aoliva@redhat.com>
3726 PR tree-optimization/42917
3727 * lambda-code.c (remove_iv): Skip debug statements.
3728 (lambda_loopnest_to_gcc_loopnest): Likewise.
3729 (not_interesting_stmt): Debug statements are not interesting.
3731 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3735 * cselib.c (cselib_preserve_constants,
3736 cfa_base_preserved_val): New static variables.
3737 (preserve_only_constants): New function.
3738 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3739 clear its REG_VALUES. If cselib_preserve_constants, don't
3740 empty the whole hash table, but preserve there VALUEs with constants,
3741 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3742 (cselib_preserve_cfa_base_value): New function.
3743 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3744 (cselib_init): Change argument to int bitfield. Set
3745 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3747 (cselib_finish): Clear cselib_preserve_constants and
3748 cfa_base_preserved_val.
3749 * cselib.h (enum cselib_record_what): New enum.
3750 (cselib_init): Change argument to int.
3751 (cselib_preserve_cfa_base_value): New prototype.
3752 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3753 * dse.c (dse_step1): Likewise.
3754 * cfgcleanup.c (thread_jump): Likewise.
3755 * sched-deps.c (sched_analyze): Likewise.
3756 * gcse.c (local_cprop_pass): Likewise.
3757 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3758 If FN is non-NULL, call the callback always and whenever it returns
3759 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3760 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3761 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3762 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3763 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3764 * var-tracking.c: Include recog.h.
3765 (bb_stack_adjust_offset): Remove.
3766 (vt_stack_adjustments): Don't call it, instead just gather the
3767 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3768 (adjust_stack_reference): Remove.
3769 (compute_cfa_pointer): New function.
3770 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3771 (struct adjust_mem_data): New type.
3772 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3774 (get_address_mode): New function.
3775 (replace_expr_with_values): Use it.
3776 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3777 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3778 (adjust_sets): Remove.
3779 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3780 Use get_address_mode.
3781 (get_adjusted_src): Remove.
3782 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3783 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3784 (add_with_sets): Don't call adjust_sets.
3785 (fp_setter, vt_init_cfa_base): New functions.
3786 (vt_initialize): Change return type to bool. Move most of pool etc.
3787 initialization to the beginning of the function from end. Pass
3788 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3789 If !frame_pointer_needed, call vt_stack_adjustment before mos
3790 vector is filled, call vt_init_cfa_base if argp/framep has been
3791 eliminated to sp. If frame_pointer_needed and argp/framep has
3792 been eliminated to hard frame pointer, set
3793 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3794 encountering fp setter in the prologue. For MO_ADJUST, call
3795 log_op_type before pusing the op into mos vector, not afterwards.
3796 Call adjust_insn before cselib_process_insn/add_with_sets,
3797 call cancel_changes (0) afterwards.
3798 (variable_tracking_main_1): Adjust for vt_initialize calling
3799 vt_stack_adjustments and returning whether it succeeded or not.
3801 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3803 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3806 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3808 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3810 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3811 drap_reg has not been set.
3813 2010-03-15 Michael Matz <matz@suse.de>
3816 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3817 use it to expand block copies.
3818 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3819 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3820 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3822 2010-03-15 Richard Guenther <rguenther@suse.de>
3824 PR tree-optimization/43367
3825 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3828 2010-03-15 Richard Guenther <rguenther@suse.de>
3830 PR tree-optimization/43317
3831 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3833 2010-03-15 Martin Jambor <mjambor@suse.cz>
3835 PR tree-optimization/43141
3836 * tree-sra.c (create_abstract_origin): New function.
3837 (modify_function): Call create_abstract_origin.
3839 2010-03-15 Chris Demetriou <cgd@google.com>
3841 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3844 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3847 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3848 call insert_out_of_ssa_copy for default definitions.
3850 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3852 * graphite-clast-to-gimple.c (my_long_long): Defined.
3853 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3854 * graphite-sese-to-poly.c (my_long_long): Defined.
3855 (scop_ivs_can_be_represented): Use it.
3857 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3859 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3860 graphite-max-bbs-per-function, and loop-block-tile-size.
3861 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3863 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3865 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3867 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3868 forward declaration.
3869 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3870 (add_upper_bounds_from_estimated_nit): New.
3871 (build_loop_iteration_domains): Use it.
3873 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3875 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3877 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3880 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3881 should be an INTEGER_CST. Also handle CASE_CONVERT.
3883 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3885 * graphite.c (graphite_initialize): To bound the number of bbs per
3886 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3887 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3888 * doc/invoke.texi: Document it.
3890 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3892 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3893 * graphite-sese-to-poly.h (build_poly_scop): Same.
3895 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3897 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3898 the number of parameters in the scop. Use as an upper bound
3899 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3900 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3901 * doc/invoke.texi: Document it.
3903 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3905 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3906 * doc/c-tree.texi: Remove.
3907 * doc/generic.texi: Merge c-tree.texi here.
3908 * doc/gccint.texi (Trees): Remove menu entry.
3909 (c-tree.texi): Remove @include.
3910 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3911 * doc/languages.texi (Reading RTL): Ditto.
3913 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3916 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3918 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3921 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3922 code added to work around reload clobbering CONST insns.
3924 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3926 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3927 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3928 (cselib_preserve_only_values): Remove retain argument, don't
3929 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3930 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3931 * var-tracking.c (micro_operation): Move insn field before union.
3932 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3933 (struct variable_tracking_info_def): Remove n_mos field, change
3934 mos into a vector of micro_operations.
3935 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3936 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3937 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3938 changing into a vector.
3939 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3940 come before all other uops generated by add_stores.
3941 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3943 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3944 a vector. Run just one pass over the bbs instead of separate counting
3945 and computation phase.
3946 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3949 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3950 into *nonlocalized_list vector.
3951 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3952 even if origin is non-NULL.
3953 (gen_variable_die): Likewise.
3954 (process_scope_var): Don't change origin.
3955 (gen_decl_die): Likewise.
3956 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3957 before adding new edges instead of after it, fix moving over
3960 2010-03-11 David S. Miller <davem@davemloft.net>
3962 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3964 * configure: Rebuild.
3966 2010-03-11 Martin Jambor <mjambor@suse.cz>
3968 PR tree-optimization/43257
3969 * tree.c (assign_assembler_name_if_neeeded): New function.
3970 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3972 * tree.h (assign_assembler_name_if_neeeded): Declare.
3973 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3974 the function if needed.
3976 2010-03-11 Chris Demetriou <cgd@google.com>
3978 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3979 include/stdint-gcc.h, and include/stdint.h world-readable.
3981 2010-03-11 Richard Guenther <rguenther@suse.de>
3983 PR tree-optimization/43255
3984 * tree-vrp.c (process_assert_insertions_for): Do not insert
3985 asserts for trivial conditions.
3987 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3989 PR tree-optimization/43280
3990 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3991 generation. Move calculation of size out of the if branch.
3992 (find_bswap): Modify compare number generation.
3994 2010-03-11 Richard Guenther <rguenther@suse.de>
3997 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3998 (input_gimple_stmt): Fixup handled component types during
3999 operand read. Also fix up decls in ADDR_EXPRs.
4001 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
4003 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
4004 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
4006 2010-03-10 Jan Hubicka <jh@suse.cz>
4009 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
4010 * varasm.c (get_variable_section): Don't do that here...
4011 (make_decl_rtl): ... and here.
4012 (do_assemble_alias): Produce decl RTL.
4013 (assemble_alias): Likewise.
4015 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4018 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
4019 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
4021 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
4022 (based_loc_descr): Only express drap or vdrap regno based expressions
4023 using DW_OP_fbreg when not optimizing.
4024 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
4025 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
4026 REG_CFA_SET_VDRAP note.
4028 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
4030 PR tree-optimization/43236
4031 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
4032 error in calculation of base address in reverse iteration case.
4033 (generate_builtin): Take number of latch executions if the statement
4036 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
4039 * tree-eh.c: Include pointer-set.h.
4040 (lower_eh_dispatch): Filter out duplicate case labels and
4041 remove the unneeded edge when the label is unused. Return
4042 true when some edges are removed.
4043 (execute_lower_eh_dispatch): When any lowering resulted in
4044 removing an edge, also delete unreachable blocks.
4046 2010-03-10 Jakub Jelinek <jakub@redhat.com>
4049 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
4050 UNSPEC_MACHOPIC_OFFSET.
4052 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
4055 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
4056 (m68k_delegitimize_address): New function.
4058 2010-03-09 Jakub Jelinek <jakub@redhat.com>
4061 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
4064 * var-tracking.c (adjust_sets): New function.
4065 (count_with_sets, add_with_sets): Use it.
4066 (get_adjusted_src): New inline function.
4067 (add_stores): Use it.
4070 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
4071 call cselib_dummy_expand_value_rtx_cb instead of
4072 cselib_expand_value_rtx_cb.
4075 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
4076 * config/i386/i386.c: Include debug.h and dwarf2out.h.
4077 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
4078 and .cfi_endproc around the pic thunks.
4079 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
4080 all queued unwind info register saves are saved before the call.
4081 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
4082 considered as sp-=4 for unwind info and the pop as sp+=4 which
4083 also clobbers dest, but doesn't actually restore it.
4086 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
4087 RTX_FRAME_RELATED_P.
4089 2010-03-09 Jie Zhang <jie@codesourcery.com>
4091 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
4092 whitespaces in output template.
4094 2010-03-09 Jie Zhang <jie@codesourcery.com>
4096 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
4099 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4101 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
4102 builtins.exp in a separate job.
4104 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4106 * graphite-sese-to-poly.c (add_param_constraints): Use
4107 lower_bound_in_type and upper_bound_in_type.
4109 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4111 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
4112 instead of unsigned_type_node.
4114 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4115 Reza Yazdani <reza.yazdani@amd.com>
4118 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
4119 on pointer type parameters.
4121 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4125 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
4126 handle conversions from pointer to integers.
4127 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
4128 induction variable, to be able to work with code generated by CLooG.
4129 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
4130 (build_poly_scop): Bail out if we cannot codegen a loop.
4132 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
4134 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
4135 code generation with gloog_error.
4137 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4139 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
4140 Call fold_convert on all the returned values.
4141 (expand_scalar_variables_expr): Pass to
4142 expand_scalar_variables_ssa_name the type of the resulting expression.
4144 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4146 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
4147 ppl_min_for_le_pointset.
4148 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
4149 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
4151 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4153 * graphite-dependences.c (map_into_dep_poly): Removed.
4154 (dependence_polyhedron_1): Use combine_context_id_scat.
4156 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4158 * graphite-poly.h (struct poly_scattering): Add layout documentation.
4159 (struct poly_bb): Same.
4160 (combine_context_id_scat): New.
4162 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4165 * sese.c (name_defined_in_loop_p): Return false for default
4168 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4170 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
4171 and clean up the logic.
4173 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
4175 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
4178 2010-03-08 Jakub Jelinek <jakub@redhat.com>
4180 * var-tracking.c (remove_cselib_value_chains): Define only for
4182 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
4183 delete_slot_part, emit_notes_for_differences_1): Don't call
4184 remove_cselib_value_chains here.
4185 (set_slot_part, emit_notes_for_differences_2): Don't call
4186 add_cselib_value_chains here.
4187 (preserved_values): New vector.
4188 (preserve_value): New function.
4189 (add_uses, add_stores, vt_add_function_parameters): Use it
4190 instead of cselib_preserve_value.
4191 (changed_values_stack): New vector.
4192 (check_changed_vars_0): New function.
4193 (check_changed_vars_1, check_changed_vars_2): Use it.
4194 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
4195 changed_values_stack VALUEs.
4196 (vt_emit_notes): For all preserved_values call
4197 add_cselib_value_chains. If ENABLE_CHECKING call
4198 remove_cselib_value_chains before verifying value_chains is empty.
4199 Initialize and free changed_values_stack.
4200 (vt_initialize): Initialize preserved_values.
4201 (vt_finalize): Free preserved_values.
4203 2010-03-08 Richard Guenther <rguenther@suse.de>
4205 PR tree-optimization/43269
4206 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
4209 2010-03-08 Martin Jambor <mjambor@suse.cz>
4211 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
4212 (ipa_is_param_called): Removed.
4213 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4214 (ipa_print_node_params): Do not print the called flag.
4215 (ipa_write_node_info): Do not stream the called flag.
4216 (ipa_read_node_info): Likewise.
4218 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4221 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4222 * cselib.c (struct expand_value_data): Add dummy field.
4223 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4225 (cselib_dummy_expand_value_rtx_cb): New function.
4226 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4228 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4229 * var-tracking.c: Include pointer-set.h.
4230 (variable): Change n_var_parts to char from int. Add
4231 cur_loc_changed and in_changed_variables fields.
4232 (variable_canonicalize): Remove.
4233 (shared_var_p): New inline function.
4234 (unshare_variable): Maintain cur_loc_changed and
4235 in_changed_variables fields. If var was in changed_variables,
4236 replace it there with new_var. Just copy cur_loc instead of
4237 resetting it to something else.
4238 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4239 (dataflow_set_union): Don't call variable_canonicalize.
4240 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4241 of their DEBUG_EXPR_TREE_DECLs.
4242 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4243 and in_changed_variables and cur_loc_changed is false.
4244 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4245 and cur_loc_changed. Don't update cur_loc here.
4246 (variable_merge_over_src): Don't call variable_canonicalize.
4247 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4248 removing loc that is equal to cur_loc, clear cur_loc,
4249 set cur_loc_changed and ensure variable_was_changed is called.
4250 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4251 compare pointers in cur_loc check, if it is equal to loc,
4252 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4253 (variable_different_p): Remove compare_current_location argument,
4254 don't compare cur_loc.
4255 (dataflow_set_different_1): Adjust variable_different_p caller.
4256 (variable_was_changed): If dv had some var in changed_variables
4257 already, reset in_changed_variables flag for it and propagate
4258 cur_loc_changed over to the new variable. On empty var
4259 always set cur_loc_changed. Set in_changed_variables on whatever
4260 var is added to changed_variables.
4261 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4262 Use shared_var_p. When removing loc that is equal to cur_loc,
4263 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4264 end, don't set it to something else, just call variable_was_changed.
4265 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4266 loc being removed, clear cur_loc and set cur_loc_changed.
4267 Set cur_loc_changed if all locations have been removed.
4268 (struct expand_loc_callback_data): New type.
4269 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4270 allocated. Always create SUBREGs if simplify_subreg failed.
4271 Prefer to use cur_loc, when that fails and still in
4272 changed_variables (and seen first time) recompute it. Set
4273 cur_loc_changed of variables which had to change cur_loc and
4274 compute elcd->cur_loc_changed if any of the subexpressions used
4275 had to change cur_loc.
4276 (vt_expand_loc): Adjust to pass arguments in
4277 expand_loc_callback_data structure.
4278 (vt_expand_loc_dummy): New function.
4279 (emitted_notes): New variable.
4280 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4281 that weren't used for any other decl in current
4282 emit_notes_for_changes call call vt_expand_loc_dummy to update
4283 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4284 first loc_chain location if NULL before. Always use just
4285 cur_loc instead of first loc_chain location. When cur_loc_changed
4286 is false, when not --enable-checking=rtl just don't emit any note.
4287 When rtl checking, compute the note and assert it is the same
4288 as previous note. Clear cur_loc_changed and in_changed_variables
4289 at the end before removing from changed_variables.
4290 (check_changed_vars_3): New function.
4291 (emit_notes_for_changes): Traverse changed_vars to call
4292 check_changed_vars_3 on each changed var.
4293 (emit_notes_for_differences_1): Clear cur_loc_changed and
4294 in_changed_variables. Recompute cur_loc of new_var.
4295 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4296 (vt_emit_notes): Initialize and destroy emitted_notes.
4298 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4300 PR rtl-optimization/42220
4301 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4302 Use verify_reg_tracked to determine if we should use OP_OUT rather
4304 (build_def_use): If we see an in-out operand for a register that we
4305 know nothing about, treat is an output if possible, fail the block if
4308 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4311 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4314 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4317 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4318 uses of relevant DEFs that are dead outside the loop too.
4320 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4322 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4324 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4326 * var-tracking.c (values_to_unmark): New variable.
4327 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4328 values_to_unmark vector. Moved body to...
4329 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4330 instead queue it into values_to_unmark vector.
4331 (vt_find_locations): Free values_to_unmark vector.
4333 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4335 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4336 (site.exp): Export them when plugins are enabled.
4338 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4341 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4343 (chrec_fold_multiply): Same.
4345 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4348 * c-decl.c (build_compound_literal): Return early if init is
4351 2010-03-04 Martin Jambor <mjambor@suse.cz>
4353 PR tree-optimization/43164
4354 PR tree-optimization/43191
4355 * tree-sra.c (type_consists_of_records_p): Reject records with
4356 zero-size bit-fields at the end.
4358 2010-03-04 Mike Stump <mikestump@comcast.net>
4360 * Makefile.in (TAGS): Remove *.y.
4362 2010-03-04 Richard Guenther <rguenther@suse.de>
4364 PR tree-optimization/40761
4365 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4367 (my_rev_post_order_compute): New function.
4368 (init_pre): Call it.
4370 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4373 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4374 decrease the cost of an IV candidate when the cost is infinite.
4376 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4378 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4379 Use '3DNow!' for the extension of that name, ensure normal space
4381 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4383 2010-03-03 Jeff Law <law@redhat.com>
4385 * PR middle-end/32693
4386 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4387 than gen_rtx_SUBREG.
4388 (extract_bit_field_1): Likewise.
4390 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4392 * doc/sourcebuild.texi (Test directives): Document that arguments
4393 include-opts and exclude-opts are now optional for dg-skip-if,
4394 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4396 2010-03-03 Jason Merrill <jason@redhat.com>
4399 * cgraph.h (varpool_node): Add extra_name field.
4400 * varpool.c (varpool_extra_name_alias): New.
4401 (varpool_assemble_decl): Emit extra name aliases.
4402 (varpool_mark_needed_node): Look past an extra name alias.
4403 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4404 * lto-streamer-in.c (lto_input_tree): Read it.
4405 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4407 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4409 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4410 (sparc*-*-solaris2*): ...this.
4412 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4415 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4416 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4417 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4418 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4421 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4422 fallthrough to default handling, just with want_address 0 instead of 2.
4423 For single element lists, add_AT_loc directly, otherwise create an
4424 artificial variable DIE and stick location list to it.
4427 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4428 (VAL_EXPR_HAS_REVERSE): Define.
4429 (reverse_op): New function.
4430 (add_stores): For reversible operations add an extra MO_VAL_USE.
4432 2010-03-02 Jason Merrill <jason@redhat.com>
4434 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4436 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4438 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4439 (sparc64-*-linux*): Likewise.
4440 (sparc64-*-solaris2*): Include assembler files before linker ones.
4441 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4442 * config/sparc/gas.h: Delete.
4443 * config/sparc/sol2-64.h: Add copyright notice.
4444 * config/sparc/sol2-gas-bi.h: Likewise.
4445 * config/sparc/sol2-gld.h: Likewise.
4446 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4447 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4448 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4449 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4450 (sparc_elf_asm_named_section): Rename into...
4451 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4453 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4455 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4457 2010-03-02 Jeff Law <law@redhat.com>
4460 * reload1.c (rtx_p, substitute_stack): Declare.
4461 (substitute): Record addresses of changed rtxs.
4462 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4463 Restore the original rtx when complete.
4464 (reload): Free subsitute_stack when complete.
4466 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4468 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4469 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4471 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4472 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4473 Torture Tests): Change from subsection to section.
4475 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4476 Steven Bosscher <steven@gcc.gnu.org>
4478 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4481 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4484 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4485 the assignment from the new induction variable to the assignment
4486 of the value from the original loop PHI function.
4488 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4489 Daniel Jacobowitz <dan@codesourcery.com>
4491 * doc/sourcebuild.texi (Test directives): Clarify options to
4494 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4496 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4497 Disable cfi directives unless GCC and gas agree on using read-only
4498 .eh_frame sections for 64-bit.
4499 * configure: Regenerate.
4501 2010-03-01 Richard Guenther <rguenther@suse.de>
4503 PR tree-optimization/43220
4504 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4505 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4507 2010-03-01 Richard Guenther <rguenther@suse.de>
4508 Martin Jambor <mjambor@suse.cz>
4511 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4512 gimplified parameters.
4514 2010-03-01 Christian Bruel <christian.bruel@st.com>
4516 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4518 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4520 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4522 2010-03-01 Richard Guenther <rguenther@suse.de>
4525 * expr.c (expand_assignment): Use the alias-oracle to tell
4526 if the rhs aliases the result decl.
4528 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4531 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4532 to sol_gt_pch_get_address.
4533 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4534 64-bit, SPARC and x86.
4535 (sol_gt_pch_get_address): New function.
4537 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4539 * toplev.h (inform_n, error_n): Declare.
4540 * diagnostic.c (inform_n, error_n): New function.
4542 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4544 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4545 has no rtl yet when processing local_decls, queue it and recheck
4546 if deferred stack allocation hasn't assigned it rtl.
4548 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4550 * config/sh/sh.c (unspec_bbr_uid): New.
4551 (gen_block_redirect): Use it instead of INSN_UID.
4552 (gen_far_branch): Likewise.
4554 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4556 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4557 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4559 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4561 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4562 (Warning Options): -Wno-conversion-null is valid for
4563 Objective-C++ as well.
4564 * doc/tm.texi (Named Address Spaces): Likewise.
4565 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4566 * doc/tree-ssa.texi (Tree SSA): Likewise.
4568 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4571 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4572 by default. Don't set the default arch for
4573 i[34567]86-*-darwin*|x86_64-*-darwin*.
4575 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4578 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4579 default. Set the default 32bit/64bit archs with $with_arch
4580 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4582 2010-02-27 Richard Guenther <rguenther@suse.de>
4584 PR tree-optimization/43186
4585 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4586 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4587 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4588 unroller iterations.
4590 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4592 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4593 required and i[34567]86-*-* targets don't support 64bit ISA.
4595 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4598 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4601 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4603 * config.gcc: Set the default arch at least to Prescott for
4604 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4605 if SSE math is enabled.
4607 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4609 * diagnostic.c (diagnostic_initialize): Update.
4610 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4612 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4613 (diagnostic_inhibit_notes): New.
4614 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4616 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4619 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4620 * doc/standards.texi: Likewise.
4621 * doc/extend.texi: Likewise.
4622 * doc/trouble.texi: Likewise.
4623 * doc/cppopts.texi: Likewise.
4624 * doc/install.texi: Likewise.
4625 * c.opt (std=c90,std=gnu90): New options.
4626 * c-opts.c (c_common_handle_option): Handle them.
4628 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4631 * c-decl.c (undeclared_variable): Use an informative note.
4633 2010-02-26 Richard Guenther <rguenther@suse.de>
4635 PR tree-optimization/43186
4636 * gimple.h (gimple_fold): Remove.
4637 * gimple.c (gimple_fold): Remove. Inline into single user ...
4638 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4639 Try harder for conditions.
4641 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4644 * function.c (used_types_insert): Don't skip through named pointer
4645 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4646 and it is different from the main variant's type.
4648 2010-02-26 Nick Clifton <nickc@redhat.com>
4650 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4652 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4654 * config.gcc: Support --with-fpmath=sse for x86.
4656 * config/i386/ssemath.h: New.
4658 * doc/install.texi (--with-fpmath=sse): Documented.
4660 2010-02-26 Richard Guenther <rguenther@suse.de>
4662 PR tree-optimization/43188
4663 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4664 vector types of over-aligned element type.
4666 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4669 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4670 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4672 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4674 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4676 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4678 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4679 * var-tracking.c: Include diagnostic.h.
4680 (debug_dv): New function.
4681 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4684 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4685 (add_value_chain, add_value_chains, remove_value_chain,
4686 remove_value_chains): Handle DEBUG_EXPRs.
4687 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4690 * regcprop.c (struct queued_debug_insn_change): New type.
4691 (struct value_data_entry): Add debug_insn_changes field.
4692 (struct value_data): Add n_debug_insn_changes field.
4693 (debug_insn_changes_pool): New variable.
4694 (free_debug_insn_changes, apply_debug_insn_changes,
4695 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4696 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4697 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4699 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4701 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4702 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4703 changes, call cprop_find_used_regs via note_stores.
4704 (copyprop_hardreg_forward): When copying vd from predecessor
4705 which has any queued DEBUG_INSN changes, make sure the pointers are
4706 cleared. At the end call df_analyze and then if there are any
4707 DEBUG_INSN changes queued at the end of some basic block for still
4708 live registers, apply them.
4709 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4711 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4713 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4716 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4718 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4719 targets. Set the default with_cpu/with_arch from arch/cpu.
4720 Allow x86-64 and native for with_cpu/with_arch.
4722 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4724 * ebitmap.c: Change calls to verify_popcount with calls to
4725 sbitmap_verify_popcount.
4726 (ebitmap_clear_bit): Fixed map->cacheindex test and
4727 map>cache update when bit clearing results in an empty
4730 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4733 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4734 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4735 and support both V2DF and V2DI modes.
4736 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4737 support both V2DF and V2DI modes.
4738 (general): Delete trailing whitespace from a few patterns.
4740 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4741 V2DF/V2DI interleave high/low builtins.
4743 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4746 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4747 interleave high/low functions.
4749 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4751 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4752 #pragma extern_prefix.
4754 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4757 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4758 BLKmode, assert op0 is a MEM and just adjust its mode.
4761 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4762 if bitpos isn't multiple of mode's bitsize.
4764 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4766 * c.opt (-ftemplate-depth=): New.
4767 (-ftemplate-depth-): Deprecate.
4768 * optc-gen.awk: Handle -ftemplate-depth=.
4769 * opth-gen.awk: Likewise.
4770 * c-opts.c (c_common_handle_option): Likewise.
4771 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4773 2010-02-24 Jason Merrill <jason@redhat.com>
4775 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4777 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4779 * cfg.c (alloc_aux_for_block): Remove inline.
4780 (alloc_aux_for_edge): Likewise.
4782 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4784 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4786 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4788 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4789 * config/i386/sol2-gas.h: New file.
4790 * config.gcc (i[34567]86-*-solaris2*): Use it.
4792 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4795 * c-typeck.c (ep_convert_and_check): New.
4796 (build_conditional_expr): Use it.
4797 (build_binary_op): Likewise.
4799 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4801 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4804 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4805 bounds even for -O+.
4806 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4807 expr needs to have DECL_NAME set.
4809 2010-02-24 Nick Clifton <nickc@redhat.com>
4811 * config/mep/mep.c: Include gimple.h.
4812 (mep_function_uses_sp): Delete unused function.
4813 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4814 parameters. Use unsigned integers to count args. Return a
4815 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4817 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4820 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4821 greater or equal to nelt instead of 2 * nelt.
4822 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4825 2010-02-23 Jason Merrill <jason@redhat.com>
4828 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4829 in cfun->local_decls even if they have register types.
4832 * stor-layout.c (place_field): Don't warn about unnecessary
4833 DECL_PACKED if the type is packed.
4835 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4838 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4839 GOTOFF relocs, even when the base reg isn't pic pointer.
4841 2010-02-23 Michael Matz <matz@suse.de>
4844 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4845 (expand_gimple_basic_block): Generate and use debug temps if there
4846 are debug uses left after the last real use of TERed ssa names.
4847 Unlink debug immediate uses when they are expanded.
4849 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4852 * config/i386/i386.c (override_options): Reorganise to provide
4853 better error messages.
4855 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4858 * graphite-scop-detection.c (create_single_exit_edge): Move
4859 the call to find_single_exit_edge to....
4860 (create_sese_edges): ...here. Don't handle multiple edges
4861 exiting the function.
4862 (build_graphite_scops): Don't handle multiple edges
4863 exiting the function.
4865 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4868 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4869 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4871 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4874 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4876 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4879 * c-typeck.c (convert_arguments): Print declaration location.
4880 * c-common.c (validate_nargs): Rename as
4881 builtin_function_validate_nargs.
4882 (check_builtin_function_arguments): Update.
4884 2010-02-22 Richard Guenther <rguenther@suse.de>
4887 * tree-inline.c (declare_return_variable): Use the type of
4888 the call stmt lhs if available.
4890 2010-02-22 Duncan Sands <baldrick@free.fr>
4892 * passes.c (register_pass): Always consider all pass lists when
4893 ref_pass_instance_number is zero.
4895 2010-02-22 Richard Guenther <rguenther@suse.de>
4897 PR tree-optimization/42749
4898 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4899 parameter. Do arithmetic in the original type.
4900 (update_accumulator_with_ops): Likewise.
4901 (adjust_accumulator_values): Adjust.
4903 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4905 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4906 (QI to BLKmode splitter): New splitter.
4908 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4910 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4911 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4913 2010-02-22 Richard Guenther <rguenther@suse.de>
4915 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4917 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4919 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4920 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4921 ($(T)crti.o, $(T)crtn.o): Remove rules.
4923 2010-02-21 Tobias Burnus <burnus@net-b.de>
4926 * doc/invoke.texi (-fassociative-math): Document that this
4927 option is automatically enabled for Fortran.
4929 2010-02-20 David S. Miller <davem@davemloft.net>
4931 * configure.ac: Test if linker and assembler properly support
4932 GOTDATA_OP relocations.
4933 * configure: Rebuild.
4934 * config.in: Likewise.
4935 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4936 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4937 (movsi_high_pic): Likewise.
4938 (movdi_lo_sum_pic): Likewise.
4939 (movdi_high_pic): Likewise.
4940 (movsi_pic_gotdata_op): New pattern.
4941 (movdi_pic_gotdata_op): Likewise.
4942 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4943 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4945 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4948 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4949 attribute to ssemul.
4950 (xop_mulv2div2di3_high): Ditto.
4952 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4955 * c.opt (Wconversion-null): New option.
4956 * doc/invoke.texi (Wconversion-null): Document.
4958 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4960 * common.opt (Wlarger-than-): Add Undocumented.
4962 2010-02-19 Mike Stump <mikestump@comcast.net>
4964 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4966 2010-02-19 Jason Merrill <jason@redhat.com>
4969 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4970 * configure: Likewise.
4972 2010-02-20 Alan Modra <amodra@gmail.com>
4975 * cgraph.h (cgraph_make_decl_local): Declare.
4976 * cgraph.c (cgraph_make_decl_local): New function.
4977 (cgraph_make_node_local): Use it.
4978 * cgraphunit.c (cgraph_function_versioning): Likewise.
4979 * ipa.c (function_and_variable_visibility): Likewise.
4981 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4984 * except.c (sjlj_emit_function_enter): Don't call
4985 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4987 * rtl.h (add_reg_br_prob_note): Remove prototype.
4989 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4992 * c-common.c (conversion_warning): Remove widening conversions
4993 before checking the conversion of integers to reals.
4995 2010-02-19 Mike Stump <mikestump@comcast.net>
4998 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
5001 * cgraphunit.c (process_function_and_variable_attributes): Check
5002 DECL_PRESERVE_P instead of looking up attribute "used".
5003 * ipa-pure-const.c (check_decl): Likewise.
5004 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
5005 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
5006 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
5007 instead of attribute "used".
5008 * config/sol2-c.c (solaris_pragma_init): Likewise.
5009 (solaris_pragma_fini): Likewise.
5011 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5013 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
5014 Use XCNEW instead of xcalloc.
5015 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
5016 XNEW instead of xmalloc.
5017 (get_fields): Use XNEWVEC instead of xmalloc.
5020 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
5021 populate vars array.
5022 (create_new_general_access): For debug stmts just reset value.
5023 (get_stmt_accesses): For accesses within debug stmts just record them
5024 using add_access_to_acc_sites instead of preventing the peeling or
5025 counting them as accesses.
5028 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
5030 2010-02-19 Richard Guenther <rguenther@suse.de>
5032 PR tree-optimization/42916
5033 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
5036 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
5038 * configure.ac: Replace all uses of changequote in macro arguments
5039 with proper quoting.
5041 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5044 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
5046 2010-02-19 Richard Guenther <rguenther@suse.de>
5048 PR tree-optimization/42944
5049 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
5050 test for aliasing with errno.
5052 2010-02-19 Jakub Jelinek <jakub@redhat.com>
5055 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
5056 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
5057 * dojump.c: Include output.h.
5058 (inv): New inline function.
5059 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
5060 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
5061 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
5062 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
5063 argument, pass it down to other calls.
5064 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
5065 add REG_BR_PROB note to the conditional jump.
5066 * cfgexpand.c (add_reg_br_prob_note): Removed.
5067 (expand_gimple_cond): Don't call it, add the probability
5068 as last argument to jumpif_1/jumpifnot_1.
5069 * Makefile.in (dojump.o): Depend on output.h.
5070 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
5072 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
5073 * stmt.c (do_jump_if_equal): Likewise.
5074 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
5075 * loop-unswitch.c (compare_and_jump_seq): Likewise.
5076 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
5078 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
5079 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
5080 jumpifnot_1 callers.
5081 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
5083 (store_expr): Adjust jumpifnot caller.
5084 (store_constructor): Adjust jumpif caller.
5087 * gimplify.c (gimple_boolify): For __builtin_expect call
5088 gimple_boolify also on its first argument.
5090 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
5092 * configure.ac (gnu-unique-object): Wrap regexps using [] in
5094 (__stack_chk_fail): Ditto. Remove quadrigraphs.
5095 * configure: Regenerated.
5097 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
5099 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
5100 lang_hooks.types_compatible_p instead of comptypes.
5102 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
5104 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
5105 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
5106 if __prefer_thumb__ is defined.
5108 2010-02-18 Martin Jambor <mjambor@suse.cz>
5110 PR tree-optimization/43066
5111 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
5112 array with zero-sized element type.
5114 2010-02-18 Jakub Jelinek <jakub@redhat.com>
5116 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
5117 rtx, allocate struct var_loc_node here and return it to the
5118 caller, and only if it is actually needed.
5119 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
5120 move it earlier and return immediately if it returns NULL.
5122 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
5124 * config/sparc/gas.h: New file. Restore
5125 TARGET_ASM_NAMED_SECTION to its ELF default.
5126 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
5128 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5129 Likewise. Add ATTRIBUTE_UNUSED to prototype.
5130 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
5131 after sparc/sysv4.h.
5133 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
5135 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
5137 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
5139 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
5140 patterns from predicated pattern.
5142 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
5145 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
5146 for insn mnemonic suffix.
5148 2010-02-17 Richard Guenther <rguenther@suse.de>
5150 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
5153 2010-02-17 Jakub Jelinek <jakub@redhat.com>
5156 * caller-save.c (save_call_clobbered_regs): If BB ends with
5157 a DEBUG_INSN, move any notes in between last real insn and the last
5158 DEBUG_INSN after the last DEBUG_INSN.
5160 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
5162 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
5163 Fix return type. Fix argument type. Explain meaning of return value.
5165 2010-02-16 Richard Guenther <rguenther@suse.de>
5167 PR tree-optimization/41043
5168 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
5169 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
5171 (vrp_visit_phi_node): ... but only for loop PHI nodes.
5173 2010-02-16 Ira Rosen <irar@il.ibm.com>
5175 PR tree-optimization/43074
5176 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
5177 * tree-vect-loop.c (vect_analyze_loop_operations): Add
5178 vectorizable cycles in hybrid SLP check.
5179 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
5181 2010-02-16 Richard Guenther <rguenther@suse.de>
5183 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
5184 (true_dependence): If memrefs_conflict_p computes must-alias
5185 trust it. Move TBAA check after offset-based disambiguation.
5186 (canon_true_dependence): Likewise.
5188 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
5190 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
5191 * doc/invoke.texi: Document it.
5192 * var-tracking.c: Include toplev.h and params.h.
5193 (vt_find_locations): Return bool indicating success. Compute
5194 hash sizes unconditionally. Check new parameter, report.
5195 (variable_tracking_main_1): Check vt_find_locations results and
5196 retry. Renamed from...
5197 (variable_tracking_main): ... this. New wrapper to preserve
5198 flag_var_tracking_assignments.
5199 * Makefile.in (var-tracking.o): Adjust dependencies.
5201 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
5202 Jakub Jelinek <jakub@redhat.com>
5205 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
5206 if weak_import attribute is present.
5207 * config/darwin.c (machopic_select_section): Likewise.
5209 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
5211 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
5212 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
5213 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5214 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5216 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5219 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5222 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5223 Rewrite text to refer to the names.
5225 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5227 * config/i386/i386-builtin-types.def
5228 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5229 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5230 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5231 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5232 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5233 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5234 IX86_BUILTIN_VPERMIL2PS256.
5235 (MULTI_ARG_4_DF2_DI_I): Defined.
5236 (MULTI_ARG_4_DF2_DI_I1): Defined.
5237 (MULTI_ARG_4_SF2_SI_I): Defined.
5238 (MULTI_ARG_4_SF2_SI_I1): Defined.
5239 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5240 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5241 __builtin_ia32_vpermil2ps256.
5242 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5243 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5244 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5245 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5246 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5247 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5248 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5249 CODE_FOR_xop_vpermil2v8sf3.
5250 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5251 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5252 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5253 (_mm256_permute2_pd): New.
5254 (_mm_permute2_ps): New.
5255 (_mm256_permute2_ps): New.
5257 2010-02-15 Nick Clifton <nickc@redhat.com>
5259 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5260 boolean parameters. Use emit_jump_insn when emitting a pop
5261 instruction containing a return insn.
5262 (push): Use 'true' rather than '1' as second parameter to F.
5263 (h8300_expand_prologue): Likewise.
5264 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5265 (h8300_expand_epilogue): Likewise.
5267 2010-02-15 Richard Guenther <rguenther@suse.de>
5270 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5273 2010-02-15 Nick Clifton <nickc@redhat.com>
5275 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5278 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5280 * intl.c (fake_ngettext): New function.
5281 * intl.h (fake_ngettext): Declare.
5282 (ngettext): Define macro.
5283 * collect2.c (notice_translated): New function.
5284 (main): Use notice_translated and ngettext.
5285 * collect2.h (notice_translated): Declare.
5287 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5289 * reorg.c (delete_computation): Comment fixes.
5290 * caller-save.c (setup_save_areas): Idem.
5291 * sel-sched-dump.c (dump_lv_set): Idem.
5294 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5296 * config/s390/s390.c (s390_sched_init): New function.
5297 (TARGET_SCHED_INIT): Target hook defined.
5299 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5300 Jack Howarth <howarth@bromo.med.uc.edu>
5301 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5304 Partial revert of unintended change in fix for PR41605.
5305 * config/darwin.h: Fix typo.
5306 * config/darwin9.h: Same.
5308 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5310 * c-pch.c (pch_init): Clear v.
5312 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5315 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5316 graphite_can_represent_init for MULT_EXPR.
5318 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5322 * graphite-sese-to-poly.c (remove_phi): New.
5323 (translate_scalar_reduction_to_array): Call remove_phi.
5325 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5328 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5329 * graphite-clast-to-gimple.h (gloog): Update declaration.
5330 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5331 * graphite-poly.h (struct poly_bb): Add missing comments.
5332 (struct scop): Add poly_scop_p field.
5334 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5335 * graphite.c (graphite_transform_loops): Build the polyhedral
5336 representation for each scop before code generation.
5337 * sese.c (rename_variables_in_operand): Removed.
5338 (rename_variables_in_expr): Return the renamed expression.
5339 (rename_sese_parameters): New.
5340 * sese.h (rename_sese_parameters): Declared.
5342 2010-02-11 Richard Guenther <rguenther@suse.de>
5344 PR tree-optimization/42998
5345 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5346 POINTER_PLUS_EXPR properly.
5348 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5349 Changpeng Fang <changpeng.fang@amd.com>
5352 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5353 the cost of an IV candidate when the IV is used in a test against zero.
5355 * gcc.dg/tree-ssa/ivopts-3.c: New.
5357 2010-02-11 Richard Guenther <rguenther@suse.de>
5360 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5361 pointer-vs-decl case by swapping refs. Handle some cases
5362 of pointer-vs-decl disambiguations more conservatively.
5363 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5364 to false after expanding.
5366 2010-02-11 Richard Guenther <rguenther@suse.de>
5369 * gcc.c (process_command): Handle LTO file@offset case more
5372 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5374 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5375 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5377 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5379 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5380 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5381 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5382 Optimize eq/ne comparisons when both arguments are known to be
5384 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5385 Don't mask operands unnecessarily if they are known to be already
5388 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5390 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5393 2010-02-10 Richard Guenther <rguenther@suse.de>
5395 PR tree-optimization/43017
5396 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5397 for wrapping signed arithmetic.
5399 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5402 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5403 if no debug info should be emitted for it.
5405 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5407 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5408 note when flag_exceptions is set.
5410 2010-02-10 Duncan Sands <baldrick@free.fr>
5412 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5414 2010-02-10 Richard Guenther <rguenther@suse.de>
5417 * tree.c (get_unwidened): Handle constants.
5418 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5420 2010-02-10 Martin Jambor <mjambor@suse.cz>
5423 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5424 check for variable argument counts independently.
5426 2010-02-10 Christian Bruel <christian.bruel@st.com>
5429 * config/sh/sh.c (find_barrier): Increase length for non delayed
5430 conditional branches.
5432 2010-02-10 Christian Bruel <christian.bruel@st.com>
5434 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5436 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5438 * builtins.c (set_builtin_user_assembler_name): Also handle
5439 ffs if int is smaller than word.
5441 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5444 * ira-conflicts.c (get_dup): Remove.
5445 (process_reg_shuffles): Add new parameter. Use it as an
5446 additional guard for copy generation.
5447 (add_insn_allocno_copies): Rewrite.
5449 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5451 * common.opt (fsched2-use-traces): Preserved for backward
5453 * doc/invoke.texi: Remove the documentation about option
5454 -fsched2-use-traces.
5455 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5456 flag_sched2_use_traces.
5457 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5458 the backward compatibility flag section.
5460 2010-02-09 Richard Guenther <rguenther@suse.de>
5462 PR tree-optimization/43008
5463 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5464 make HEAP variables initialized from global memory if they
5465 are not known builtin functions.
5466 (find_func_aliases): Adjust.
5468 2010-02-09 Richard Guenther <rguenther@suse.de>
5470 PR tree-optimization/43000
5471 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5472 arithmetic manually.
5474 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5476 PR tree-optimization/42931
5477 * tree-loop-linear.c (try_interchange_loops): Don't call
5478 double_int_mul if estimated_loop_iterations failed.
5480 2010-02-08 Martin Jambor <mjambor@suse.cz>
5483 * tree-sra.c (build_accesses_from_assign): Do not mark in
5484 should_scalarize_away_bitmap if stmt has volatile ops.
5485 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5488 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5490 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5492 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5494 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5497 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5500 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5502 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5505 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5506 to unknown_dependence.
5507 (graphite_legal_transform_dr): Handle the unknown_dependence.
5508 (graphite_carried_dependence_level_k): Same.
5510 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5512 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5514 2010-02-07 Richard Guenther <rguenther@suse.de>
5517 * expr.c (get_inner_reference): Always initialize *pbitsize.
5519 2010-02-07 Richard Guenther <rguenther@suse.de>
5522 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5523 new ARRAY_REFs on variable size element or minimal index arrays.
5525 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5526 gimple_fold_indirect_ref.
5528 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5531 * arm.c (arm_override_options): Just return if the user has specified
5532 an invalid fpu name.
5534 2010-02-03 Jason Merrill <jason@redhat.com>
5537 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5538 i386_pe_maybe_record_exported_symbol.
5540 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5543 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5544 (pa_delegitimize_address): New function.
5546 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5548 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5549 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5551 2010-02-05 Richard Guenther <rguenther@suse.de>
5554 * lto-streamer-in.c (get_resolution): Deal with references
5555 to undefined functions.
5557 2010-02-05 Richard Guenther <rguenther@suse.de>
5559 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5560 (fold_const_aggregate_ref): Likewise.
5561 (ccp_fold_stmt): Substitute loads.
5562 (maybe_fold_reference): Verify types before substituting.
5564 (fold_gimple_assign): Unshare properly.
5565 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5567 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5569 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5570 for rs6000_gen_cell_microcode.
5572 2010-02-04 Richard Guenther <rguenther@suse.de>
5574 PR rtl-optimization/42952
5575 * dse.c (const_or_frame_p): Remove MEM handling.
5577 2010-02-04 Nick Clifton <nickc@redhat.com>
5579 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5580 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5581 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5582 (mn10300_asm_output_mi_thunk): New function.
5583 (mn10300_can_output_mu_thunk): New function.
5584 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5585 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5586 (FUNCTION_ARG): Delete incorrect comment.
5588 2010-02-03 Jason Merrill <jason@redhat.com>
5591 * fold-const.c (operand_equal_p): Handle erroneous types.
5593 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5595 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5597 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5599 PR rtl-optimization/42941
5600 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5603 2010-02-03 Jason Merrill <jason@redhat.com>
5606 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5608 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5611 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5612 (cselib_reset_table): Renamed from...
5613 (cselib_reset_table_with_next_value): ... this.
5614 (cselib_get_next_uid): Renamed from...
5615 (cselib_get_next_unknown_value): ... this.
5616 * cselib.c (next_uid): Renamed from...
5617 (next_unknown_value): ... this.
5618 (cselib_clear_table): Adjust.
5619 (cselib_reset_table): Adjust. Renamed from...
5620 (cselib_reset_table_with_next_value): ... this.
5621 (cselib_get_next_uid): Adjust. Renamed from...
5622 (cselib_get_next_unknown_value): ... this.
5623 (get_value_hash): Use hash.
5624 (cselib_hash_rtx): Likewise.
5625 (new_cselib_val): Adjust. Set and dump uid.
5626 (cselib_lookup_mem): Pass next_uid as hash.
5627 (cselib_subst_to_values): Likewise.
5628 (cselib_log_lookup): Dump uid.
5629 (cselib_lookup): Pass next_uid as hash. Adjust.
5630 (cselib_process_insn): Adjust.
5631 (cselib_init): Initialize next_uid.
5632 (cselib_finish): Adjust.
5633 (dump_cselib_table): Likewise.
5634 * dse.c (canon_address): Dump value uid.
5635 * print-rtl.c (print_rtx): Print value uid.
5636 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5638 (dv_uid): New function, sort of renamed from...
5639 (dv_htab_hash): ... this, reimplemented in terms of it and...
5640 (dv_uid2hash): ... this. New.
5641 (variable_htab_eq): Drop excess assertions.
5642 (tie_break_pointers): Removed.
5643 (canon_value_cmp): Compare uids.
5644 (variable_post_merge_New_vals): Print uids.
5645 (vt_add_function_parameters): Adjust.
5646 (vt_initialize): Reset table. Adjust.
5648 2010-02-03 Richard Guenther <rguenther@suse.de>
5650 PR tree-optimization/42944
5651 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5652 (call_may_clobber_ref_p_1): Likewise. Properly handle
5653 malloc and calloc clobbering errno.
5655 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5657 * doc/invoke.texi: Fix name of sched1 dump.
5659 * opts.c (decode_options): Set flag_tree_switch_conversion
5660 only conditionally on optimize >= 2.
5662 * gcse.c: Assorted comment fixes in pass description.
5664 2010-02-03 Anthony Green <green@moxielogic.com>
5666 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5667 nop padding in order to maintain alignment of storage location of
5668 target function address.
5669 (moxie_trampoline_init): Store target function address at newly
5671 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5673 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5675 2010-02-03 Richard Guenther <rguenther@suse.de>
5678 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5680 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5682 * config.gcc: Reenable check for obsolete targets.
5683 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5684 mips-sgi-irix6.[0-4]*.
5686 2010-02-02 Nick Clifton <nickc@redhat.com>
5688 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5689 constant size of 4 as being the same as 0.
5690 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5691 can take values in the range 0..4.
5693 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5696 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5697 as _darwin10_Unwind_FindEnclosingFunction().
5698 * libgcc-libsystem.ver: New.
5700 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5703 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5704 implicitly set registers.
5706 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5708 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5709 (arm_override_options): Allow automatic selection of the thread
5710 pointer register if thumb2.
5711 (legitimize_pic_address): Improve code sequences for Thumb2.
5712 (arm_call_tls_get_addr): Likewise.
5713 (legitimize_tls_address): Likewise.
5714 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5715 (pic_load_addr_32bit): ... this. New named pattern.
5716 * thumb2.md (pic_load_addr_thumb2): Delete.
5717 (pic_load_dot_plus_four): Delete.
5718 (tls_load_dot_plus_four): New named pattern.
5720 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5723 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5724 Document fix for TLS bug.
5726 2010-01-31 Richard Guenther <rguenther@suse.de>
5728 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5729 conservatively correct.
5731 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5735 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5737 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5739 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5741 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5743 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5745 * config.gcc: Adjust order of makefile fragments for mingw targets.
5747 2010-01-31 Richard Guenther <rguenther@suse.de>
5750 * gimplify.c (gimplify_init_constructor): For volatile LHS
5751 initialize a temporary.
5753 2010-01-31 Matthias Klose <doko@ubuntu.com>
5755 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5757 * configure: Regenerate.
5759 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5761 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5762 the same alias set and their sizes different constantness.
5763 (aliasing_component_refs_p): Revert 2009-10-24 change.
5765 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5767 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5770 2010-01-29 Richard Guenther <rguenther@suse.de>
5772 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5773 Assert we successfully updated the call.
5775 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5777 PR rtl-optimization/42889
5778 * df.h (df_set_bb_dirty_nonlr): New prototype.
5779 * df-core.c (df_set_bb_dirty_nonlr): New function.
5780 * df-scan.c (df_insn_rescan): Call it instead of
5781 df_set_bb_dirty for DEBUG_INSNs.
5783 2010-01-29 Richard Guenther <rguenther@suse.de>
5786 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5787 quadratic behavior in most cases.
5789 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5792 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5793 in the call to gen_x86_movsicc_0_m1.
5795 2010-01-28 Richard Guenther <rguenther@suse.de>
5797 PR tree-optimization/42871
5798 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5800 2010-01-28 Richard Guenther <rguenther@suse.de>
5802 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5803 into call arguments.
5805 2010-01-28 Richard Guenther <rguenther@suse.de>
5808 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5809 the forwarder if the destination is an EH landing pad.
5811 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5813 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5814 block list passed to gimple_duplicate_sese_tail.
5815 (parallelize_loops): Avoid parallelization when the function
5817 Avoid parallelization when the preheader is IRREDUCIBLE.
5818 Try to optimize when estimated_loop_iterations_int is unresolved.
5819 Add the loop's location to the dump file.
5820 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5821 (gimple_duplicate_sese_tail): Remove the check for the latch.
5822 Redirect nexits to the exit block.
5823 Remove handling of the incoming edges to the latch.
5824 Redirect the backedge from the copied latch to the exit bb.
5826 2010-01-28 Michael Matz <matz@suse.de>
5829 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5830 Wrap force_reg into a sequence, emit it before user.
5832 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5834 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5836 (arm_legacy_rev): Likewise.
5837 (thumb_legacy_rev): Likewise.
5839 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5841 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5842 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5843 on MEM's address failed, try avoid_constant_pool_reference and
5844 recurse if it returned something different.
5845 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5846 address, try avoid_constant_pool_reference and recurse if it
5847 returned something different.
5848 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5849 address and avoid_constant_pool_reference returned something
5850 different, don't set have_address.
5852 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5855 * var-tracking.c (val_store): Add modified argument, obey it.
5857 (count_uses): Move down logging of main.
5858 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5859 don't need resolution.
5860 (emit_notes_in_bb): Likewise.
5862 2010-01-27 Richard Guenther <rguenther@suse.de>
5865 * tree-inline.c (remap_decl): Delay remapping of SSA name
5866 default definitions until we need them.
5868 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5870 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5871 (rs6000_delegitimize_address): New function.
5873 * config/s390/s390.c (s390_delegitimize_address): Call
5874 delegitimize_mem_from_attrs.
5877 * tree-inline.c (cannot_copy_type_1): Removed.
5878 (copy_forbidden): Don't forbid copying of functions containing
5879 records/unions with variable length fields.
5881 2010-01-27 Christian Bruel <christian.bruel@st.com>
5885 * config/sh/sh.c (find_barrier): Increase length for non delayed
5886 conditional branches.
5888 2010-01-27 Matthias Klose <doko@ubuntu.com>
5890 * configure.ac (gnu-unique-object): Fix ldd version check.
5891 * configure: Regenerate.
5893 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5895 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5897 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5898 Test for HAVE_GNU_AS value.
5900 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5902 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5903 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5904 INT64_TYPE): Define.
5905 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5906 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5907 INT_LEAST64_TYPE): Define.
5908 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5909 UINT_LEAST64_TYPE): Define.
5910 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5911 INT_FAST64_TYPE): Define.
5912 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5913 UINT_FAST64_TYPE): Define.
5914 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5915 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5916 (SIG_ATOMIC_TYPE): Define.
5918 2010-01-26 Richard Guenther <rguenther@suse.de>
5920 * df-scan.c (df_scan_set_bb_info): Remove assert.
5921 (df_insn_rescan_debug_internal): Merge asserts.
5922 (df_install_ref): Likewise.
5923 (df_mark_reg): Use bitmap_set_range.
5924 (df_hard_reg_used_p): Remove assert.
5925 (df_hard_reg_used_count): Likewise.
5927 2010-01-26 Richard Guenther <rguenther@suse.de>
5929 PR rtl-optimization/42685
5930 * web.c (web_main): Ignore DEBUG_INSNs.
5932 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5934 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5936 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5937 Fix types of fndecl and arglist parameters.
5939 2010-01-26 Richard Guenther <rguenther@suse.de>
5942 * tree-eh.c (unsplit_eh): Skip debug insns.
5944 2010-01-26 Richard Guenther <rguenther@suse.de>
5946 PR tree-optimization/42250
5947 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5949 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5952 * omp-low.c (expand_omp_sections): Only use single_pred if
5953 l2_bb is single_pred_p.
5955 2010-01-25 Christian Bruel <christian.bruel@st.com>
5958 * config/sh/sh.c (find_barrier): Increase length for non delayed
5959 conditional branches.
5960 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5962 2010-01-24 David S. Miller <davem@davemloft.net>
5964 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5965 define if not using GAS.
5966 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5967 Likewise. Delete SECTION_MERGE code, which is only applicable
5970 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5973 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5974 mangling of va_list in system headers.
5976 2010-01-23 Toon Moene <toon@moene.org>
5978 * tree-predcom.c (combine_chains): Return NULL, not false.
5980 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5982 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5983 initialization of variable res to agree with return type.
5985 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5987 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5988 * tree-sra.c: Add include of expr.h.
5990 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5992 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5993 insert the debug stmt on the single non-EH edge from the stmt.
5995 2010-01-22 Richard Henderson <rth@redhat.com>
5998 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5999 the RHS until after generate_subtree_copies has insertted its
6000 code before the current statement.
6002 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
6004 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
6006 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
6008 2010-01-21 Martin Jambor <mjambor@suse.cz>
6010 PR tree-optimization/42585
6011 * tree-sra.c (struct access): New field grp_total_scalarization.
6012 (dump_access): Dump the new field.
6013 (should_scalarize_away_bitmap): New variable.
6014 (cannot_scalarize_away_bitmap): Likewise.
6015 (sra_initialize): Allocate new bitmaps.
6016 (sra_deinitialize): Free new bitmaps.
6017 (create_access_1): New function.
6018 (create_access): Parts moved to create_access_1.
6019 (type_consists_of_records_p): New function.
6020 (completely_scalarize_record): Likewise.
6021 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
6022 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
6023 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
6025 (analyze_all_variable_accesses): Completely scalarize small eligible
6028 2010-01-21 Martin Jambor <mjambor@suse.cz>
6030 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
6032 2010-01-21 Andrew Haley <aph@redhat.com>
6034 * gcc.c (process_command): Move lang_specific_driver before
6035 setting cc_libexec_prefix.
6037 2010-01-21 Richard Guenther <rguenther@suse.de>
6040 * fold-const.c (negate_expr_p): Pretend only negative
6041 real constants are easily negatable.
6043 2010-01-20 Janis Johnson <janis187@us.ibm.com>
6044 Jason Merrill <jason@redhat.com>
6046 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
6047 (TYPE_TRANSPARENT_AGGR): this, for union and record.
6048 * calls.c (initialize argument_information): Handle it.
6049 * c-common.c (handle_transparent_union_attribute): Use new name.
6050 * c-decl.c (finish_struct): Ditto.
6051 * c-typeck.c (type_lists_compatible_p): Ditto.
6052 (convert_for_assignment): Use new name and also handle record.
6053 * function.c (aggregate_value_p): Handle it.
6054 (pass_by_reference): Ditto.
6055 (assign_parm_data_types): Ditto.
6056 * print-tree.c (print_node): Ditto.
6057 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
6058 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
6059 * tree.c (first_field): New fn.
6061 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
6064 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
6065 even when linking statically, for now.
6067 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6070 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
6071 without a cselib val.
6072 (count_uses): Accept MO_VAL_SET with no val on stores.
6073 (add_stores): Likewise.
6075 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6077 * var-tracking.c (check_value_val): Add a compile time assertion.
6078 (dv_is_decl_p): Simplify.
6079 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
6080 gcc_assert if ENABLE_CHECKING.
6082 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
6085 * var-tracking.c: Include tree-flow.h.
6086 (mem_dies_at_call): New.
6087 (dataflow_set_preserve_mem_locs): Use it.
6088 (dataflow_set_remove_mem_locs): Likewise.
6089 (dump_var): Renamed from dump_variable. Adjust all callers.
6090 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
6091 * Makefile.in (var-tracking.o): Adjust deps.
6093 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
6095 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
6097 2010-01-20 Richard Guenther <rguenther@suse.de>
6099 PR tree-optimization/42717
6100 * tree-ssa-dce.c (get_live_post_dom): Remove.
6101 (forward_edge_to_pdom): Take an arbitrary edge to copy
6102 degenerate PHI args from.
6103 (remove_dead_stmt): Use the first post-dominator even if it
6104 does not contain live statements as redirection destination.
6106 2010-01-20 Richard Guenther <rguenther@suse.de>
6108 * tree-inline.c (estimate_num_insns): Handle EH builtins.
6110 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6112 * sel-sched.c (create_speculation_check): Remove set but not used
6114 (try_transformation_cache): Remove set but not used variable ds.
6115 (calculate_privileged_insns): Remove set but not used variables
6116 cur_insn and min_spec_insn.
6117 (find_best_expr): Remove set but not used variable avail_n.
6118 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
6120 * cgraphunit.c (assemble_thunk): Remove set but not used variable
6122 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
6123 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
6126 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
6129 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
6130 cpu types. Add support for *-sse3 cpu types.
6131 (x86_64-*-*): Ditto.
6133 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6136 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
6137 argument, call initializer_constant_valid_p_1 instead of
6138 initializer_constant_valid_p, pass CACHE to it, return NULL
6139 immediately if first call returns NULL.
6140 (initializer_constant_valid_p_1): New function.
6141 (initializer_constant_valid_p): Use it.
6143 2010-01-20 Thomas Quinot <quinot@adacore.com>
6145 * tree.def (PLACEHOLDER_EXPR): Fix comment.
6147 2010-01-20 Jakub Jelinek <jakub@redhat.com>
6149 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
6150 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
6151 (loc_list_from_tree): Don't handle unsigned division. Handle
6152 signed modulo using DW_OP_{over,over,div,mul,minus}.
6153 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
6154 modulo instead of signed.
6156 2010-01-20 DJ Delorie <dj@redhat.com>
6158 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
6160 (h8300_emit_stack_adjustment): Propogate it.
6162 (h8300_expand_prologue): Likewise.
6163 (h8300_expand_epilogue): Likewise.
6165 2010-01-19 Michael Matz <matz@suse.de>
6167 PR tree-optimization/41783
6168 * tree-data-ref.c (toplevel): Include flags.h.
6169 (dump_data_dependence_relation): Also dump the inputs if the
6170 result will be unknown.
6171 (split_constant_offset_1): Look through some conversions.
6172 * tree-predcom.c (determine_roots_comp): Restart a new chain if
6173 the offset from last element is too large.
6174 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
6175 (reassociate_to_the_same_stmt): Handle vector registers.
6176 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
6178 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
6179 wide_prolog_niters argument, emit widening instructions.
6180 (vect_do_peeling_for_alignment): Adjust caller, use widened
6181 variant of the iteration cound.
6182 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
6184 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
6187 * config/arm/neon-testgen.m (emit_automatics): New parameter
6188 features. Adjust for Fixed_return_reg feature.
6189 (test_intrinsic): Call emit_automatics with new feature.
6190 * config/arm/neon.ml: Update copyright years.
6191 (features): New Fixed_return_reg feature.
6192 (ops): Update feature for Vget_low.
6194 2010-01-19 Jakub Jelinek <jakub@redhat.com>
6196 PR tree-optimization/42719
6197 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
6201 * fwprop.c (all_uses_available_at): Return false if def_set dest
6202 is a REG that is used in def_insn.
6204 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
6206 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
6208 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
6211 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
6213 * target.h (struct gcc_target) <secondary_reload>: Change type
6214 of last argument to secondary_reload_info *.
6216 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6219 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6220 memory references with unaligned offsets. Remove CQImode handling.
6221 (unaligned_memory_operand): Return 1 for memory references with
6222 unaligned offsets. Remove CQImode handling.
6224 2010-01-18 Richard Guenther <rguenther@suse.de>
6227 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6230 2010-01-18 Richard Guenther <rguenther@suse.de>
6232 PR tree-optimization/42781
6233 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6234 restrict processing only if the original variable was artificial.
6236 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6238 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6239 find number of popped argument bytes.
6241 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6242 Fix the text that describes the return value for invalid insns.
6244 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6246 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6247 Clarify what 'cost of the -dependence' is. Fix quoting.
6249 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6250 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6252 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6254 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6255 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6257 2010-01-17 Richard Guenther <rguenther@suse.de>
6260 * function.c (split_complex_args): Take a VEC to modify.
6261 (assign_parms_augmented_arg_list): Build a VEC instead of
6262 a chain of PARM_DECLs.
6263 (assign_parms_unsplit_complex): Take a VEC of arguments.
6264 Do not fixup unmodified parms.
6265 (assign_parms): Deal with the VEC.
6266 (gimplify_parameters): Likewise.
6268 2010-01-17 Richard Guenther <rguenther@suse.de>
6270 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6271 node existence check.
6272 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6273 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6274 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6275 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6276 (gimple_execute_on_growing_pred): Likewise.
6278 2010-01-17 Richard Guenther <rguenther@suse.de>
6280 PR tree-optimization/42773
6281 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6282 (compute_antic_aux): Likewise.
6283 (compute_partial_antic_aux): Likewise.
6285 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6288 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6291 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6293 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6296 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6297 Fix markup for strict argument.
6299 (TARGET_SCHED_REORDER2): Fix argument types.
6301 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6302 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6304 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6305 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6307 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6310 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6311 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6312 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6313 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6314 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6316 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6318 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6320 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6321 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6323 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6325 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6328 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6330 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6331 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6333 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6335 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6337 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6338 referring to it. Fix language.
6340 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6342 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6344 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6346 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6348 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6349 '@var{stream}. Remove stray 'and'.
6351 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6353 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6355 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6357 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6358 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6360 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6361 Fix description of return value.
6362 Rename argument "sz" to "len."
6364 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6365 Clarify meaning of 'true' return value.
6367 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6369 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6370 rep_mode versus mode_rep.
6372 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6374 (TARGET_BUILTIN_DECL): Fix name.
6376 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6378 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6380 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6382 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6384 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6386 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6389 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6390 Rename argument tm_fn to md_fn.
6392 (TARGET_OPTION_PRINT): Fix argument list.
6394 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6397 * config/i386/i386.c (ix86_fixup_binary_operands):
6398 Revert FMA4 fixup of operands.
6400 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6403 * Makefile.in (write_entries_to_file, install-plugin):
6404 Use \012 instead of \n with tr.
6406 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6408 * configure.ac (HAVE_AS_REF): New C macro.
6409 * configure: Regenerate.
6410 * config.in: Likewise.
6411 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6413 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6416 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6418 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6420 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6422 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6424 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6426 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6428 (TARGET_BINDS_LOCAL_P): Fix argument type.
6430 (TARGET_ASM_FILE_END): Use prototype.
6432 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6434 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6436 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6438 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6440 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6441 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6443 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6444 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6446 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6447 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6448 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6449 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6451 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6453 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6455 (TARGET_INIT_BUILTINS): Use prototype.
6457 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6458 Put 'const char *' in braces. Fix parameter types.
6459 (TARGET_INVALID_CONVERSION): Fix parameter types.
6460 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6461 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6463 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6466 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6468 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6470 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6472 * doc/tm.texi (TARGET_HELP): Fix return type.
6474 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6475 in braces. Fix argument types.
6477 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6479 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6481 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6483 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6484 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6486 (TARGET_MANGLE_TYPE): Fix argument types.
6488 (TARGET_IRA_COVER_CLASSES): Use prototype.
6490 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6492 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6494 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6496 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6498 (TARGET_CALLEE_COPIES): Fix argument types.
6500 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6502 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6504 (TARGET_FUNCTION_VALUE): Fix argument types.
6506 (TARGET_RETURN_IN_MSB): Fix argument type.
6508 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6510 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6512 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6514 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6515 agree with return type.
6517 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6519 2010-01-15 Jing Yu <jingyu@google.com>
6521 PR rtl-optimization/42691
6522 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6523 a pseudo to a constant and are merged, and adjust comments.
6525 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6527 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6529 2010-01-15 Richard Guenther <rguenther@suse.de>
6532 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6533 labels of computed or non-local gotos to the destination.
6534 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6535 landing pad label is the first label.
6537 2010-01-15 Richard Guenther <rguenther@suse.de>
6539 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6541 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6544 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6545 to allow generation of the xssqrtdp instruction on power7.
6546 (sqrtdf2_fpr): Ditto.
6548 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6551 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6552 functions with noreturn attribute.
6555 * varasm.c (declare_weak): Add weak attribute to decl if it
6556 doesn't have one already.
6557 (assemble_external): Only add decls to weak_decls if they also
6558 have weak attribute.
6560 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6562 * var-tracking.c (var_reg_delete): Don't delete the association
6563 between REGs and values or one-part variables if the register
6566 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6569 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6570 because its first operand is a non-localized variable.
6572 2010-01-14 Martin Jambor <mjambor@suse.cz>
6574 PR tree-optimization/42706
6575 * tree-sra.c (encountered_recursive_call): New variable.
6576 (encountered_unchangable_recursive_call): Likewise.
6577 (sra_initialize): Initialize both new variables.
6578 (callsite_has_enough_arguments_p): New function.
6579 (scan_function): Call decl and flags check only for IPA-SRA, check
6580 whether there is a recursive call and whether it has enough arguments.
6581 (all_callers_have_enough_arguments_p): New function.
6582 (convert_callers): Look for recursive calls only when
6583 encountered_recursive_call is set.
6584 (ipa_early_sra): Bail out either if
6585 !all_callers_have_enough_arguments_p or
6586 encountered_unchangable_recursive_call.
6588 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6590 * sel-sched.c: Add 2010 to copyright years.
6591 * sel-sched-ir.c: Likewise.
6592 * sel-sched-ir.h: Likewise.
6594 2010-01-14 Martin Jambor <mjambor@suse.cz>
6596 PR tree-optimization/42714
6597 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6598 constructors specially.
6600 2010-01-14 Andi Kleen <ak@linux.intel.com>
6602 * config/i386/drivers-i386.c (detect_caches_intel):
6603 Add l2sizekb parameter and fill in.
6604 (host_detect_local_cpu): Add l2sizekb, fill in.
6605 Add Atom small cache heuristic.
6607 2010-01-14 Andi Kleen <ak@linux.intel.com>
6609 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6610 Add level3 parameter and fill in.
6611 (detect_caches_intel): Handle level3 cache.
6613 2010-01-14 Andi Kleen <ak@linux.intel.com>
6615 * config/i386/drivers-i386.c (host_detect_local_cpu):
6616 Fix core duo detection.
6618 2010-01-14 Andi Kleen <ak@linux.intel.com>
6620 * config/i386/drivers-i386.c (host_detect_local_cpu):
6623 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6625 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6626 (rs6000_variable_issue_1): this. Use...
6627 (rs6000_variable_issue): here. Reimplement. Print debug info.
6629 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6631 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6632 sel_restore_notes. Update all callers. Call reemit_notes
6635 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6637 PR rtl-optimization/42246
6638 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6641 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6643 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6644 all successors is the same as number of successors in current region.
6646 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6648 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6649 to rename is not separable. Otherwise check that its LHS is not NULL.
6651 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6653 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6655 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6657 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6658 available registers when failed to discover LHS register class.
6659 Fix indentation. Update comment.
6661 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6662 Alexander Monakov <amonakov@ispras.ru>
6664 PR rtl-optimization/42389
6665 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6667 (advance_state_on_fence): Likewise.
6668 (sel_target_adjust_priority): Print debug output only when
6669 sched_verbose >= 4, not 2.
6670 (get_expr_cost): Do not issue all unique insns on the next cycle.
6671 (fill_insns): Initialize can_issue_more from the value saved
6673 * sel-sched-ir.c (flist_add): New parameter issue_more.
6674 Init FENCE_ISSUE_MORE with it.
6675 (merge_fences): Likewise.
6676 (init_fences): Update call to flist_add.
6677 (add_to_fences, add_clean_fence_to_fences)
6678 (add_dirty_fence_to_fences): Likewise.
6679 (move_fence_to_fences): Update call to merge_fences.
6680 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6682 * sel-sched-ir.h (struct _fence): New field issue_more.
6683 (FENCE_ISSUE_MORE): New accessor macro.
6685 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6687 PR rtl-optimization/42388
6688 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6689 that have no predecessors nor successors. Do not call move_bb_info
6690 for empty blocks outside of current region.
6692 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6694 PR rtl-optimization/42294
6695 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6696 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6697 originators' originators.
6699 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6701 PR rtl-optimization/39453
6702 PR rtl-optimization/42246
6703 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6705 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6707 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6708 Alexander Monakov <amonakov@ispras.ru>
6711 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6712 (maybe_tidy_empty_bb): ... here. Make static. Add new
6713 argument. Update all callers.
6714 (tidy_control_flow): ... and here. Recompute topological order
6715 of basic blocks in region if necessary.
6716 (sel_redirect_edge_and_branch): Change return type. Return true
6717 if topological order might have been invalidated.
6718 (purge_empty_blocks): Export and move from...
6719 * sel-sched.c (purge_empty_blocks): ... here.
6720 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6721 (maybe_tidy_empty_bb): Delete prototype.
6722 (purge_empty_blocks): Declare.
6724 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6726 PR rtl-optimization/42249
6727 * sel-sched.c (try_replace_dest_reg): When chosen register
6728 and original register is the same, do not bail out early, but
6729 still check all original insns for validity of replacing destination
6730 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6733 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6736 Port from no-undefined-overflow branch:
6737 2009-03-09 Richard Guenther <rguenther@suse.de>
6739 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6741 2010-01-14 Richard Guenther <rguenther@suse.de>
6744 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6746 2010-01-14 Ira Rosen <irar@il.ibm.com>
6748 PR tree-optimization/42709
6749 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6750 as scalar type in creation of constant vector operand.
6752 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6755 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6756 (check-parallel-%): Match `testsuite' directory component only
6759 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6761 PR translation/39521
6762 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6765 2010-01-13 Richard Guenther <rguenther@suse.de>
6767 PR tree-optimization/42730
6768 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6771 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6774 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6775 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6778 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6780 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6781 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6782 ___umulsi3_highpart.
6784 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6785 rather than schedule_insns if the pass is enabled.
6787 2010-01-13 Martin Jambor <mjambor@suse.cz>
6789 PR tree-optimization/42704
6790 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6793 2010-01-13 Martin Jambor <mjambor@suse.cz>
6795 PR tree-optimization/42703
6796 * tree-sra.c (analyze_access_subtree): Check that we can build a
6797 reference to the original data within the aggregate.
6799 2010-01-13 Richard Guenther <rguenther@suse.de>
6801 PR tree-optimization/42705
6802 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6804 2010-01-13 Richard Guenther <rguenther@suse.de>
6807 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6809 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6812 * var-tracking.c (values_to_unmark): New variable.
6813 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6814 values_to_unmark vector. Moved body to...
6815 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6816 instead queue it into values_to_unmark vector.
6817 (vt_find_locations): Free values_to_unmark vector.
6819 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6821 * config/s390/s390.c (override_options): Set
6822 default of max-pending-list-length to 256
6824 2010-01-13 Richard Guenther <rguenther@suse.de>
6827 * tree-pass.h (PROP_gimple_lcx): New.
6828 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6829 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6830 before the final cleanup_eh.
6831 (dump_properties): Dump PROP_gimple_lcx.
6832 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6833 (tree_lower_complex_O0): Remove.
6834 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6835 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6836 tree_lower_complex, schedule TODO_update_ssa.
6837 * lto-streamer-out.c (output_function): Stream the functions
6839 * lto-streamer-in.c (input_function): Likewise.
6840 (lto_read_body): Do not override them here.
6842 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6845 * c-typeck.c (build_c_cast): Fold value cast to union type before
6846 wrapping it in a CONSTRUCTOR.
6848 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6850 PR rtl-optimization/42699
6851 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6854 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6856 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6857 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6858 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6859 SUBTARGET_WARN_UNUSED_SPEC): ... here
6860 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6862 2010-01-12 Julian Brown <julian@codesourcery.com>
6864 * config/arm/neon-schedgen.ml (Utils): Don't try to
6865 open missing module.
6866 (find_with_result): New.
6868 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6871 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6872 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6874 PR tree-optimization/42645
6875 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6876 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6877 decl_map, set processing_debug_stmt to -1 and return name without
6880 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6882 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6883 binutils version, and reword target configuration description.
6885 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6887 * config/avr/avr.h (LINKER_NAME): Remove.
6889 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6892 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6893 that support VSX, warn for -mno-altivec if vsx is not disabled,
6896 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6897 Shujing Zhao <pearly.zhao@oracle.com>
6899 PR translation/42469
6900 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6901 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6902 character between option name and help text.
6903 * c.opt (imultilib): Likewise.
6905 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6907 * lto-streamer-out.c (output_unreferenced_globals): Output static
6910 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6912 PR rtl-optimization/42621
6913 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6914 optimizing for size.
6915 (duplicate_computed_gotos): Remove now-redundant check.
6917 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6920 * configure.ac: Save and restore LDFLAGS and LIBS
6921 * configure: Regenerate.
6923 2010-01-10 Richard Guenther <rguenther@suse.de>
6926 * builtins.c (fold_builtin_strlen): Add type argument and
6927 convert the resulting length to it.
6928 (fold_builtin_1): Adjust.
6930 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6932 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6933 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6935 (num_insns_constant_wide): Adjust for that change.
6937 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6940 * web.c (union_defs): Add used argument, to combine uses of
6942 (entry_register): Adjust type and tests of used argument.
6943 (web_main): Widen used for new use. Pass it to union_defs.
6944 * df.h (union_defs): Adjust prototype.
6946 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6949 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6950 uses in new incoming argument. Free body.
6951 (reset_debug_uses_in_loop): New.
6952 (analyze_insn_to_expand_var): Call the latter if the former found
6953 anything. Fix whitespace. Reject invalid dest overlaps before
6954 going through all insns in the loop.
6956 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6959 * haifa-sched.c (dying_use_p): Debug insns don't count.
6961 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6964 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6965 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6966 (verify_gimple_call): Reject LHS in noreturn calls.
6968 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6972 * tree-vect-loop-manip.c (adjust_info): New type.
6973 (adjust_vec): New pointer to vector.
6974 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6975 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6976 (slpeel_update_phis_for_duplicate_loop): Use them.
6977 (slpeel_update_phi_nodes_for_guard1): Likewise.
6978 (slpeel_update_phi_nodes_for_guard2): Likewise.
6979 (slpeel_tree_peel_loop_to_edge): Likewise.
6980 (vect_update_ivs_after_vectorizer): Likewise.
6982 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6984 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6985 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6987 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6989 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6990 bogus uninitialized warning.
6992 2010-01-09 Richard Guenther <rguenther@suse.de>
6995 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6996 the evolution is compatible with the initial condition.
6998 2010-01-09 Jakub Jelinek <jakub@redhat.com>
7000 * gcc.c (process_command): Update copyright notice dates.
7001 * gcov.c (print_version): Likewise.
7002 * gcov-dump.c (print_version): Likewise.
7003 * mips-tfile.c (main): Likewise.
7004 * mips-tdump.c (main): Likewise.
7006 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
7009 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
7011 (rotlhi3_8): Delete.
7013 (rotlsi3_8): Delete.
7014 (rotlsi3_16): Delete.
7015 (rotlsi3_24): Delete.
7017 (*rotw<mode>3): New.
7018 (*rotb<mode>3): New.
7019 * config/avr/avr.c (avr_rotate_bytes): New function.
7020 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
7022 2010-01-08 Steve Ellcey <sje@cup.hp.com>
7025 * configure.ac: Modify -rdynamic check.
7026 * configure: Regenerate.
7028 2010-01-08 DJ Delorie <dj@redhat.com>
7030 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
7031 register popping order.
7033 2010-01-08 Richard Guenther <rguenther@suse.de>
7036 * c.opt (fsigned-char): Also let LTO handle this option.
7037 (funsigned-char): Likewise.
7039 2010-01-07 Richard Guenther <rguenther@suse.de>
7041 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
7042 (gimple_op): Likewise.
7043 (gimple_op_ptr): Likewise.
7044 (gimple_assign_set_lhs): Remove gcc_assert.
7045 (gimple_assign_set_rhs1): Likewise.
7046 (gimple_assign_set_rhs2): Likewise.
7047 (gimple_call_set_lhs): Likewise.
7048 (gimple_call_set_fn): Likewise.
7049 (gimple_call_set_fndecl): Likewise.
7050 (gimple_call_fndecl): Likewise.
7051 (gimple_call_return_type): Likewise.
7052 (gimple_call_set_chain): Likewise.
7053 (gimple_call_num_args): Likewise.
7054 (gimple_call_set_arg): Likewise.
7055 (gimple_cond_set_code): Likewise.
7056 (gimple_cond_set_lhs): Likewise.
7057 (gimple_cond_set_rhs): Likewise.
7058 (gimple_cond_set_true_label): Likewise.
7059 (gimple_cond_set_false_label): Likewise.
7060 (gimple_label_set_label): Likewise.
7061 (gimple_goto_set_dest): Likewise.
7062 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
7063 (gimple_debug_bind_get_value): Likewise.
7064 (gimple_debug_bind_get_value_ptr): Likewise.
7065 (gimple_debug_bind_set_var): Likewise.
7066 (gimple_debug_bind_set_value): Likewise.
7067 (gimple_debug_bind_reset_value): Likewise.
7068 (gimple_debug_bind_has_value_p): Likewise.
7069 (gimple_return_retval_ptr): Remove gcc_assert.
7070 (gimple_return_retval): Likewise.
7071 (gimple_return_set_retval): Likewise.
7072 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
7073 (safe_referenced_var_iterator): Remove.
7074 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
7075 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
7076 (fill_referenced_var_vec): Remove.
7077 (first_readonly_imm_use): Remove redundant gcc_assert.
7078 (phi_arg_index_from_use): Combine gcc_asserts.
7079 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
7080 (first_imm_use_stmt): Remove redundant gcc_assert.
7081 * tree-cfg.c (verify_gimple_call): Verify function and chain
7082 operands. Verify arguments.
7083 (verify_types_in_gimple_stmt): Verify condition code and labels.
7085 2010-01-07 Richard Guenther <rguenther@suse.de>
7087 PR tree-optimization/42641
7088 * sese.c (rename_map_elt_info): Use the SSA name version, do
7091 2010-01-07 Jakub Jelinek <jakub@redhat.com>
7093 PR tree-optimization/42625
7094 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
7095 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
7097 2010-01-07 Duncan Sands <baldrick@free.fr>
7099 * Makefile.in (PLUGIN_HEADERS): Add version.h.
7101 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
7104 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
7105 note itself is not function_invariant_p.
7107 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
7109 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
7110 Do not add the DF_NOTE problem.
7111 * store-motion.c (execute_rtl_store_motion): Likewise.
7113 2010-01-07 Martin Jambor <mjambor@suse.cz>
7115 PR tree-optimization/42157
7116 * tree-sra.c (compare_access_positions): Stabilize sort if both
7117 accesses have integer types, return zero immediately if they are the
7120 2010-01-06 Richard Henderson <rth@redhat.com>
7123 * haifa-sched.c (add_to_note_list): Merge into ...
7124 (concat_note_lists): ... here, and ...
7125 (unlink_other_notes, rm_other_notes): Merge into...
7126 (remove_notes): ... here. Create REG_SAVE_NOTEs for
7127 NOTE_INSN_EPILOGUE_BEG.
7129 2010-01-06 Richard Guenther <rguenther@suse.de>
7131 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
7132 not inline regular functions into always-inline functions.
7134 2010-01-06 Nick Clifton <nickc@redhat.com>
7136 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
7137 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
7139 (OVERRIDE_OPTIONS): Delete.
7140 (OPTIMIZATION_OPTIONS): Define.
7141 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
7142 * config/rx/rx.c (rx_handle_option): Issue an error message if
7143 -mcpu=rx200 and -fpu are used together.
7144 (rx_set_optimization_options): New function. Issue an error
7145 message if an optimization attribute attempts to reset the FPU/
7146 math optimization pairing.
7147 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
7148 * config/rx/rx.opt: Set the default to 32-bit doubles.
7149 * config/rx/t-rx: Add multilibs for -nofpu option.
7150 * doc/invoke.texi: Update documentation of RX options.
7152 2010-01-06 Richard Guenther <rguenther@suse.de>
7154 * tree-ssa-pre.c (name_to_id): New global.
7155 (alloc_expression_id): Simplify SSA name handling.
7156 (lookup_expression_id): Likewise.
7157 (init_pre): Zero name_to_id.
7158 (fini_pre): Free it.
7160 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
7162 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
7164 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
7167 * config/i386/sse.md (smaxv2di3): New.
7168 (umaxv2di3): Likewise.
7169 (sminv2di3): Likewise.
7170 (uminv2di3): Likewise.
7172 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
7175 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
7176 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
7177 (legitimize_tls_address): Likewise.
7178 (sparc_tls_referenced_p): Likewise.
7179 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
7180 and adjust calls to legitimize_pic_address.
7181 (legitimate_constant_p) Use sparc_tls_referenced_p.
7182 (legitimate_pic_operand_p): Likewise.
7183 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
7184 (sparc_tls_symbol_ref_1): Delete.
7185 (sparc_tls_referenced_p): Make static, recognize specific patterns.
7186 (legitimize_tls_address): Make static, handle CONST patterns.
7187 (legitimize_pic_address): Make static, remove unused parameter and
7188 adjust recursive calls.
7189 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
7190 and adjust call to legitimize_pic_address.
7191 (sparc_output_mi_thunk): Likewise.
7193 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
7194 H.J. Lu <hongjiu.lu@intel.com>
7197 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
7198 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
7199 operands to make them signed.
7202 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7205 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7206 GTU to GT for V4SI and V2DI.
7208 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7209 (umin<mode>3): Removed.
7211 (uminv4si3): Likewise.
7213 2010-01-05 Martin Jambor <mjambor@suse.cz>
7215 PR tree-optimization/42462
7216 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7217 current_function_decl to helper functions and macros.
7219 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7222 * flags.h: Don't include real.h.
7223 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7224 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7225 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7226 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7227 * dominance.c: Update copyright.
7228 * gimple.c (walk_gimple_op): Remove inline.
7229 * tree-ssa-reassoc.c: Include real.h.
7230 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7231 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7233 2010-01-05 Nick Clifton <nickc@redhat.com>
7235 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7236 register to push into the stack frame when the accumulator has to
7237 be saved during interrupts.
7239 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7241 * doc/invoke.texi: Remove the documentation about option
7243 * common.opt (Wunreachable-code): Preserved for backward
7245 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7246 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7247 the backward compatibility flag section.
7249 2010-01-05 Richard Guenther <rguenther@suse.de>
7251 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7253 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7256 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7258 PR tree-optimization/42508
7259 * tree-sra.c (convert_callers): Check for recursive call
7260 by comparing cgraph nodes instead of decls.
7261 (modify_function): Call ipa_modify_formal_parameters also
7262 on all same_body aliases.
7264 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7265 cgraph nodes when checking for same_body aliases.
7267 2010-01-05 Richard Guenther <rguenther@suse.de>
7269 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7270 allocation and lookup.
7271 (get_or_alloc_expr_for_constant): Likewise.
7272 (phi_translate): Sink allocation.
7274 2010-01-04 Richard Guenther <rguenther@suse.de>
7276 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7277 a new entry only if needed.
7278 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7279 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7281 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7283 (phi_translate): Handle CONSTANTs early.
7285 2010-01-04 Martin Jambor <mjambor@suse.cz>
7287 PR tree-optimization/42398
7288 * tree-sra.c (struct access): Removed flag grp_different_types.
7289 (dump_access): Do not dump the removed flag.
7290 (sort_and_splice_var_accesses): Do not set the removed flag.
7291 (sra_modify_expr): Check for type compatibility directly.
7293 2010-01-04 Martin Jambor <mjambor@suse.cz>
7295 PR tree-optimization/42366
7296 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7297 edges with variable number of parameters.
7298 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7299 flag instead of asserting it.
7300 (ipa_read_node_info): Read uses_analysis_done flag.
7302 2010-01-04 Richard Guenther <rguenther@suse.de>
7304 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7305 iterative_hash_* as intended.
7306 (vn_reference_compute_hash): Likewise. Simplify hashing
7308 (vn_reference_lookup_2): Likewise.
7309 (vn_nary_op_compute_hash): Likewise.
7310 (vn_phi_compute_hash): Likewise.
7311 (expressions_equal_p): Remove strange code.
7312 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7313 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7314 (bitmap_insert_into_set_1): Take value-id as parameter.
7315 (add_to_value): Pass it.
7316 (bitmap_insert_into_set): Likewise.
7317 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7319 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7322 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7323 (do_self_spec): For switches with SWITCH_IGNORE set set also
7324 SWITCH_IGNORE_PERMANENTLY.
7325 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7328 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7330 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7331 tree of an unreferenced global var.
7333 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7336 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7337 GTU to GT for V4SI and V2DI.
7339 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7340 (umin<mode>3): Removed.
7342 (uminv4si3): Likewise.
7344 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7347 * collect2.c (main): Turn on trace in collect2 if -v is passed
7350 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7352 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7353 description of expression operand.
7355 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7357 * configure.ac: Add install-html to target_list for Make-hooks.
7358 * configure: Regenerate.
7359 * fortran/Make-lang.in (F95_HTMLFILES): New.
7360 (fortran.html): Use it.
7361 (fortran.install-html): New.
7362 * Makefile.in (install-html): Add lang.install-html.
7363 * java/Make-lang.in (JAVA_HTMLFILES): New.
7364 (java.html): Use it.
7365 (java.install-html): New.
7366 * objc/Make-lang.in (objc.install-html): New.
7367 * objcp/Make-lang.in (obj-c++.install-html): New.
7368 * cp/Make-lang.in (c++.install-html): New.
7369 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7370 * lto/Make-lang.in (lto.install-html): New.
7372 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7375 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7377 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7379 PR rtl-optimization/41862
7380 * store-motion.c (store_killed_in_insn, compute_store_table,
7381 remove_reachable_equiv_notes, replace_store_insn,
7382 build_store_vectors): Ignore all DEBUG_INSNs.
7384 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7387 * common.opt: Add dumpdir.
7389 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7391 (option_map): Add --dumpdir.
7393 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7395 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7397 * opts.c (decode_options): Try dump_dir_name first if
7398 dump_base_name isn't an absolute path.
7399 (common_handle_option): Handle OPT_dumpdir.
7401 * toplev.c (dump_dir_name): New.
7402 (print_switch_values): Also ignore -dumpdir.
7404 * toplev.h (dump_dir_name): New.
7406 2010-01-03 Richard Guenther <rguenther@suse.de>
7408 PR tree-optimization/42589
7409 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7410 double-word expansion of bswap32.
7412 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7414 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7415 with BLOCK_FOR_INSN.
7416 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7417 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7418 noce_process_if_block): Likewise.
7419 * gcse.c (compute_local_properties, insert_expr_in_table,
7420 insert_set_in_table, canon_list_insert, find_avail_set,
7421 pre_insert_copy_insn): Likewise.
7423 * basic-block.h (BLOCK_NUM): Move from here...
7424 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7426 2010-01-03 Richard Guenther <rguenther@suse.de>
7428 PR tree-optimization/42438
7429 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7430 contains_may_not_return_call flag.
7431 (BB_MAY_NOTRETURN): New.
7432 (valid_in_sets): Trapping nary operations are not valid
7433 in blocks that may not return.
7434 (insert_into_preds_of_block): Remove check for trapping expressions.
7435 (compute_avail): Compute also BB_MAY_NOTRETURN.
7437 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7439 * doc/invoke.texi: Add 2010 to copyright years.
7441 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7443 * config/sparc/sparc.c: Fix formatting nits.
7445 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7446 Alexander Monakov <amonakov@ispras.ru>
7448 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7450 2010-01-02 Richard Guenther <rguenther@suse.de>
7453 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7454 (simplify_switch_using_ranges): Mark to be removed edges
7457 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7459 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7461 * collect2.c (scan_libraries): Add missing argument in call to
7464 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7467 * config/alpha/predicates.md (aligned_memory_operand): Return false
7469 (unaligned_memory_operand): Return true for CQImode.
7470 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7471 doesn not cross aligned SImode word boundary.
7473 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7475 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7477 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7478 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7480 2010-01-02 Richard Guenther <rguenther@suse.de>
7483 * toplev.c (compile_file): Emit LTO marker properly. Change
7485 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7487 2010-01-01 Richard Guenther <rguenther@suse.de>
7490 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7492 2010-01-01 Richard Guenther <rguenther@suse.de>
7495 * c-decl.c (grokdeclarator): For zero-size arrays force
7496 structural equality checks as layout_type does.
7498 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7500 * builtins.c: Update copyright to 2010.
7502 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7505 * lto-streamer-out.c (produce_asm): Revert the last change.
7506 (copy_function): Likewise.
7508 * lto-streamer.c (lto_get_section_name): Skip any leading
7511 2010-01-01 Richard Guenther <rguenther@suse.de>
7514 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7518 Copyright (C) 2010 Free Software Foundation, Inc.
7520 Copying and distribution of this file, with or without modification,
7521 are permitted in any medium without royalty provided the copyright
7522 notice and this notice are preserved.