1 2010-04-26 Jan Hubicka <jh@suse.cz>
3 * cgraph.c (cgraph_create_node): Set node frequency to normal.
4 (cgraph_clone_node): Copy function frequency.
5 * cgraph.h (node_frequency): New enum
6 (struct cgraph_node): Add.
7 * final.c (rest_of_clean_state): Update.
8 * lto-cgraph.c (lto_output_node): Output node frequency.
9 (input_overwrite_node): Input node frequency.
10 * tre-ssa-loop-ivopts (computation_cost): Update.
11 * lto-streamer-out.c (output_function): Do not output function frequency.
12 * predict.c (maybe_hot_frequency_p): Update and handle functions executed once.
13 (cgraph_maybe_hot_edge_p): Likewise; use cgraph frequency instead of
15 (probably_never_executed_bb_p, optimize_function_for_size_p): Update.
16 (compute_function_frequency): Set noreturn functions to be executed once.
17 (choose_function_section): Update.
18 * lto-streamer-in.c (input_function): Do not input function frequency.
19 * function.c (allocate_struct_function): Do not initialize function frequency.
20 * function.h (function_frequency): Remove.
21 (struct function): Remove function frequency.
22 * ipa-profile.c (CGRAPH_NODE_FREQUENCY): Remove.
24 * tree-inline.c (initialize_cfun): Do not update function frequency.
25 * passes.c (pass_init_dump_file): Update.
26 * i386.c (ix86_compute_frame_layout): Update.
27 (ix86_pad_returns): Update.
29 2010-04-26 Jie Zhang <jie@codesourcery.com>
31 PR tree-optimization/43833
32 * tree-vrp.c (range_int_cst_p): New.
33 (range_int_cst_singleton_p): New.
34 (extract_range_from_binary_expr): Optimize BIT_AND_EXPR case
35 when both operands are constants. Use range_int_cst_p in
38 2010-04-26 Jan Hubicka <jh@suse.cz>
40 * cgraphunit.c (cgraph_copy_node_for_versioning): Fix profile updating.
42 2010-04-26 Richard Guenther <rguenther@suse.de>
45 * gimple.c (gimple_decl_printable_name): Deal gracefully
46 with a NULL DECL_NAME.
48 2010-04-26 Richard Guenther <rguenther@suse.de>
51 * tree.c (free_lang_data_in_type): Do not free TYPE_CONTEXT
52 if emitting debug information and it is either a function
55 2010-04-26 Ira Rosen <irar@il.ibm.com>
57 * tree-vectorizer.h (struct _stmt_vec_info): Add new field to
58 determine if the statement is vectorizable, and a macro to
60 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
61 Skip statements that can't be vectorized. If the analysis
62 fails, mark the statement as unvectorizable if vectorizing
64 (vect_compute_data_refs_alignment): Likewise.
65 (vect_verify_datarefs_alignment): Skip statements marked as
66 unvectorizable. Add print.
67 (vect_analyze_group_access): Skip statements that can't be
68 vectorized. If the analysis fails, mark the statement as
69 unvectorizable if vectorizing basic block.
70 (vect_analyze_data_ref_accesses, vect_analyze_data_refs):
72 * tree-vect-stmts.c (vectorizable_store): Fix the number of
73 generated stmts for SLP.
74 (new_stmt_vec_info): Initialize the new field.
75 * tree-vect-slp.c (vect_build_slp_tree): Fail to vectorize
76 statements marked as unvectorizable.
78 2010-04-25 Joseph Myers <joseph@codesourcery.com>
80 * c-common.c (flag_isoc1x): New.
81 (flag_isoc99): Update comment.
82 * c-common.h (flag_isoc1x): New.
83 (flag_isoc99): Update comment.
84 * c-cppbuiltin.c (builtin_define_float_constants): Also define
85 __<type>_DECIMAL_DIG__.
86 * c-opts.c (set_std_c1x): New.
87 (c_common_handle_option): Handle -std=c1x and -std=gnu1x.
88 (set_std_c89, set_std_c99): Also set flag_isoc1x to 0.
89 * c.opt (-std=c1x, -std=gnu1x): New options.
90 * doc/cpp.texi: Mention -std=c1x.
91 * doc/cppopts.texi (-std=c1x, -std=gnu1x): Document.
92 * doc/extend.texi: Mention -std=c1x and -std=gnu1x.
93 * doc/invoke.texi (-std=c1x, -std=gnu1x): Document.
94 * doc/standards.texi: Mention C1X.
95 * ginclude/float.h (FLT_DECIMAL_DIG, DBL_DECIMAL_DIG,
96 LDBL_DECIMAL_DIG, FLT_HAS_SUBNORM, DBL_HAS_SUBNORM,
97 LDBL_HAS_SUBNORM, FLT_TRUE_MIN, DBL_TRUE_MIN, LDBL_TRUE_MIN):
100 2010-04-25 Uros Bizjak <ubizjak@gmail.com>
102 * config/i386/gmon-sol2.c (_mcleanup): Change format string
103 placeholder from 0x%x to %#x.
104 * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Ditto.
105 * config/i386/i386-interix.h (ASM_OUTPUT_ASCII): Ditto.
106 * config/i386/att.h (ASM_OUTPUT_ASCII): Ditto.
107 * config/i386/sysv4.h (ASM_OUTPUT_ASCII): Ditto.
108 * config/i386/i386.c (ix86_target_string): Ditto.
109 (output_pic_addr_const): Ditto.
110 (print_operand): Ditto.
112 2010-04-25 Paolo Bonzini <bonzini@gnu.org>
114 * combine.c (find_split_point): Add third argument. Use it
115 to find nested multiply-accumulate instructions. Adjust calls.
116 (try_combine): Adjust call to find_split_point.
118 2010-04-24 Gerald Pfeifer <gerald@pfeifer.com>
120 * doc/contrib.texi (Contributors): Add Dodji Seketeli.
122 2010-04-24 Bernd Schmidt <bernds@codesourcery.com>
124 PR tree-optimization/41442
125 * fold-const.c (merge_truthop_with_opposite_arm): New function.
126 (fold_binary_loc): Call it.
128 2010-04-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
130 * toplev.c (general_init): Set default for fdiagnostics-show-option.
131 * opts.c (common_handle_option): Allow disabling it.
132 * common.opt (fdiagnostics-show-option): Add Var. Enabled by default.
134 2010-04-23 Eric Botcazou <ebotcazou@adacore.com>
136 * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Only use conversion
137 between modes if both types are integral.
139 2010-04-23 Richard Guenther <rguenther@suse.de>
141 PR tree-optimization/43572
142 * tree-tailcall.c (find_tail_calls): Allow PARM_DECL uses.
144 2010-04-23 Richard Guenther <rguenther@suse.de>
147 * tree-inline.c (tree_can_inline_p): Also check compatibility
150 2010-04-23 Martin Jambor <mjambor@suse.cz>
152 PR tree-optimization/43846
153 * tree-sra.c (struct access): New flag grp_assignment_read.
154 (build_accesses_from_assign): Set grp_assignment_read.
155 (sort_and_splice_var_accesses): Propagate grp_assignment_read.
156 (enum mark_read_status): New type.
157 (analyze_access_subtree): Propagate grp_assignment_read, create
158 accesses also if both direct_read and root->grp_assignment_read.
160 2010-04-23 Martin Jambor <mjambor@suse.cz>
163 * tree-sra.c (ipa_sra_preliminary_function_checks): Check that the
164 function does not have type attributes.
166 2010-04-23 Richard Guenther <rguenther@suse.de>
169 * tree.c (free_lang_data_in_decl): Do not reset DECL_CONTEXT
172 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
174 * sese.h (create_if_region_on_edge): Remove.
176 * sese.c (create_if_region_on_edge): Make static.
178 * tree-inline.c: Do not include ggc.h.
180 * expr.c: Do not include ggc.h.
182 * Makefile.in (tree-inline.o, expr.o): Remove $(GGC_H) from
185 2010-04-22 Kaz Kojima <kkojima@gcc.gnu.org>
188 * config/sh/sh.c (find_barrier): Don't emit a constant pool
189 in the middle of insns for casesi_worker_2.
191 2010-04-22 David Edelsohn <edelsohn@gnu.org>
193 * config/rs6000/x-aix: Override LDFLAGS for all COMPILERS.
195 2010-04-22 Ira Rosen <irar@il.ibm.com>
197 PR tree-optimization/43842
198 * tree-vect-loop.c (vect_create_epilog_for_reduction): Handle
199 loop unrolling in update of exit phis. Fix comment.
200 * tree-vect-slp.c (vect_analyze_slp): Check that there are at
201 least two reduction statements in the loop before starting SLP
204 2010-04-22 Nick Clifton <nickc@redhat.com>
206 * config/stormy16/stormy16-lib2.c (__ucmpsi2): Fix thinko.
208 2010-04-22 Alexander Monakov <amonakov@ispras.ru>
210 * tree-ssa-reassoc.c (eliminate_plus_minus_pair): Handle BIT_NOT_EXPR
213 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
215 * tree-parloops.c (loop_parallel_p): New argument
216 parloop_obstack. Pass it down.
217 (parallelize_loops): New variable parloop_obstack. Initialize it,
218 pass it down, free it.
220 * tree-loop-linear.c (linear_transform_loops): Pass down
223 * tree-data-ref.h (lambda_compute_access_matrices): New argument
224 of type struct obstack *.
226 * tree-data-ref.c (analyze_subscript_affine_affine): New variable
227 scratch_obstack. Initialize it, pass down, free it.
229 * lambda.h (lambda_loop_new): Remove.
230 (lambda_matrix_new, lambda_matrix_inverse)
231 (lambda_trans_matrix_new, lambda_trans_matrix_inverse): New
232 argument of type struct obstack *.
234 * lambda-trans.c (lambda_trans_matrix_new): New argument
235 lambda_obstack. Pass it down, use obstack allocation for ret.
236 (lambda_trans_matrix_inverse): New argument lambda_obstack. Pass
239 * lambda-mat.c (lambda_matrix_get_column)
240 (lambda_matrix_project_to_null): Remove.
241 (lambda_matrix_new): New argument lambda_obstack. Use obstack
243 (lambda_matrix_inverse_hard, lambda_matrix_inverse): New argument
246 * lambda-code.c (lambda_loop_new): New function.
247 (lambda_lattice_new, compute_nest_using_fourier_motzkin)
248 (lambda_compute_auxillary_space, lambda_compute_target_space)
249 (lambda_loopnest_transform, gcc_loop_to_lambda_loop)
250 (lambda_loopnest_to_gcc_loopnest): Pass down lambda_obstack.
251 (build_access_matrix): New argument lambda_obstack. Use obstack
253 (lambda_compute_step_signs, lambda_compute_access_matrices): New
254 argument lambda_obstack. Pass it down.
256 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
258 * optabs.h (expand_widening_mult): Declare.
260 2010-04-22 Richard Guenther <rguenther@suse.de>
262 PR tree-optimization/43845
263 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Properly
264 lookup the CALL_EXPR function and arguments.
266 2010-04-22 Nick Clifton <nickc@redhat.com>
268 * config/stormy16/stormy16.c
269 (xstormy16_asm_output_aligned_common): Handle a NULL decl parameter.
270 * config/stormy16/stormy16.h: Tidy up formatting.
271 (DONT_USE_BUILTIN_SETJMP): Remove definition.
272 * config/stormy16/stormy16.c (cbranchsi4): Delete pattern.
273 (ineqbranchsi): Delete pattern.
274 * config/stormy16/stormy16-lib2-ucmpsi2.c: New file.
275 * config/stormy16/stormy16-lib2.c (__ucmpsi2): New function.
276 * config/stormy16/t-stormy16 (LIB2FUNCS_EXTRA): Add
277 stormy16-lib2-ucmpsi2.c.
279 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
281 * ifcvt.c (dead_or_predicable): Use df_simulate_find_defs and
282 df_simulate_find_noclobber_defs as appropriate. Keep track of an
283 extra set merge_set_noclobber, and use it to relax the final test
285 * df.h (df_simulate_find_noclobber_defs): Declare.
286 * df-problems.c (df_simulate_find_defs): Don't ignore partial or
288 (df_simulate_find_noclobber_defs): New function.
290 2010-04-22 Uros Bizjak <ubizjak@gmail.com>
292 * config/i386/i386.md: Use {} around multi-line preparation statements.
294 2010-04-22 Laurynas Biveinis <laurynas.biveinis@gmail.com>
296 * c-tree.h (push_init_level, pop_init_level, set_init_index)
297 (process_init_element): New argument of type struct obstack *.
299 * c-typeck.c (push_init_level, pop_init_level, set_designator)
300 (set_init_index, set_init_label, set_nonincremental_init)
301 (set_nonincremental_init_from_string, find_init_member)
302 (output_init_element, output_pending_init_elements)
303 (process_init_element): New argument braced_init_obstack. Pass it
305 (push_range_stack, add_pending_init): New argument
306 braced_init_obstack. Use obstack allocation.
308 * c-parser.c (c_parser_initelt, c_parser_initval): New argument
309 braced_init_obstack. Pass it down.
310 (c_parser_braced_init): New variables ret, braced_init_obstack.
311 Initialize obstack, pass it down and finally free it.
313 2010-04-22 Bernd Schmidt <bernds@codesourcery.com>
316 * tree-pass.h (pass_optimize_widening_mul): Declare.
317 * tree-ssa-math-opts.c (execute_optimize_widening_mul,
318 gate_optimize_widening_mul): New static functions.
319 (pass_optimize_widening_mul): New.
320 * expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: New case.
321 <case MULT_EXPR>: Remove support for widening multiplies.
322 * tree.def (WIDEN_MULT_EXPR): Tweak comment.
323 * cfgexpand.c (expand_debug_expr) <case WIDEN_MULT_EXPR>: Use
324 simplify_gen_unary rather than directly building extensions.
325 * tree-cfg.c (verify_gimple_assign_binary): Add tests for
327 * expmed.c (expand_widening_mult): New function.
328 * passes.c (init_optimization_passes): Add pass_optimize_widening_mul.
330 2010-04-21 Jan Hubicka <jh@suse.cz>
332 * timevar.def (TV_WHOPR_WPA_FIXUP): Remove.
333 * lto-section-in.c (lto_section_name): Remove wpa_fixup.
334 * lto-wpa-fixup.c: Remove.
335 * Makefile.in (lto-wpa-fixup.o): Remove.
336 * passes.c (init_optimization_passes): Remove pass_ipa_lto_wpa_fixup.
337 (execute_all_ipa_transforms): Set cgraph_state to CGRAPH_STATE_IPA_SSA.
338 * lto-streamer.c (lto_get_section_name): Remove wpa_fixup section.
340 2010-04-21 Jan Hubicka <jh@suse.cz>
342 * tree-pass.h (ipa_opt_pass_d): Rename function_read_summary;
343 add write_optimization_summary, read_optimization_summary.
344 (ipa_write_summaries_of_cgraph_node_set): Remove.
345 (ipa_write_optimization_summaries): Declare.
346 (ipa_read_optimization_summaries): Declare.
347 * ipa-cp.c (pass_ipa_cp): Update.
348 * ipa-reference.c (pass_ipa_reference): Update.
349 * ipa-pure-const.c (pass_ipa_pure_const): Update.
350 * lto-streamer-out.c (pass_ipa_lto_gimple, pass_ipa_lto_finish):
352 * ipa-inline.c (pass_ipa_inline): Update.
353 * ipa.c (pass_ipa_whole_program): Update.
354 * lto-wpa-fixup.c (pass_ipa_lto_wpa_fixup): Update.
355 * passes.c (ipa_write_summaries_1): Do not test wpa.
356 (ipa_write_optimization_summaries_1): New.
357 (ipa_write_optimization_summaries): New.
358 (ipa_read_summaries): Do not test ltrans.
359 (ipa_read_optimization_summaries_1): New.
360 (ipa_read_optimization_summaries): New.
362 2010-04-21 Jan Hubicka <jh@suse.cz>
364 * lto-cgraph.c (lto_output_node): Do not output comdat groups
366 (output_cgraph): Do not arrange comdat groups for boundary nodes.
368 2010-04-21 Jakub Jelinek <jakub@redhat.com>
371 * dwarf2out.c (add_name_and_src_coords_attributes): Add
372 DW_AT_{,MIPS_}linkage_name even for Fortran decls.
374 2010-04-21 Jan Hubicka <jh@suse.cz>
376 * ipa-prop.c (ipa_edge_removal_hook): Check for bounds.
378 2010-04-21 Jan Hubicka <jh@suse.cz>
380 * varpool.c (decide_is_variable_needed): Variable is always needed
383 2010-04-21 Jan Hubicka <jh@suse.cz>
385 * opts.c (decode_options): Enable pure-const pass for whopr.
387 2010-04-21 Jan Hubicka <jh@suse.cz>
389 * cgraph.c (dump_cgraph_node): Dump also assembler name.
390 * ipa-inline.c (cgraph_decide_inlining_of_small_functions): Do not ice
392 (cgraph_decide_inlining): Do not expect callee to be removed in all
395 2010-04-21 Eric B. Weddington <eric.weddington@atmel.com>
397 * config/avr/avr-devices.c (avr_mcu_types): Add missing comma.
399 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
401 * config/i386/i386.md (x86_shrd): Add athlon_decode and
402 amdfam10_decode attributes.
404 2010-04-21 Jakub Jelinek <jakub@redhat.com>
407 * omp-low.c (scan_sharing_clauses): Don't scan_omp_op
408 OMP_CLAUSE_DECL for OMP_CLAUSE_COPYPRIVATE.
409 (lower_copyprivate_clauses): Use private var in outer
410 context instead of original var. Make sure the types
411 are correct for VLAs.
413 2010-04-21 Richard Guenther <rguenther@suse.de>
415 * tree-ssa-structalias.c (do_ds_constraint): Avoid escaping
416 to non-pointer objects.
418 2010-04-21 Jakub Jelinek <jakub@redhat.com>
420 * dwarf2out.c (add_var_loc_to_decl): Add LABEL argument. Drop
421 last chain entry if it starts with the still current label.
422 (add_location_or_const_value_attribute): Check that
423 loc_list->first->next is NULL instead of comparing ->first with ->last.
424 (dwarf2out_var_location): Pass last_label resp. last_postcall_label
425 to add_var_loc_to_decl.
427 * dwarf2out.c (output_call_frame_info): For dw_cie_version
428 >= 4 add also address size and segment size fields into CIE header.
430 * unwind-dw2.c (extract_cie_info): Handle CIE version 4, as
431 long as address size is the same as sizeof (void *) and
433 * unwind-dw2-fde.c (get_cie_encoding): Likewise. If
434 address size or segment size is unexpected, return DW_EH_PE_omit.
435 (classify_object_over_fdes): If get_cie_encoding returned
436 DW_EH_PE_omit, return -1.
437 (init_object): If classify_object_over_fdes returned -1,
438 pretend there were no FDEs at all.
440 2010-04-21 Uros Bizjak <ubizjak@gmail.com>
442 * config/i386/i386.md (bswap<mode>2): Macroize expander from
443 bswap{si,di}2 using SWI48 mode iterator.
444 (*bswap<mode>2_movbe): Macroize insn from *bswap{si,di}_movbe using
445 SWI48 mode iterator. Set type attribute of bswap insn to bitmanip,
446 set modrm attribute of bswap insn to 0 and remove length attribute.
447 (*bswap<mode>2_1): Macroize insn from *bswap{si,di}_1 using SWI48 mode
448 iterator. Set type attribute to bitmanip, set modrm attribute to 0,
449 set mode attribute to <MODE> and remove length attribute.
451 2010-04-20 James E. Wilson <wilson@codesourcery.com>
453 PR rtl-optimization/43520
454 * ira-lives.c (ira_implicitly_set_insn_hard_regs): Exclude classes with
455 zero available registers.
457 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
459 * builtins.c (fold_builtin_cproj): Fold more cases.
461 2010-04-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
463 * builtins.c (build_complex_cproj, fold_builtin_cproj): New.
464 (fold_builtin_1): Fold builtin cproj.
465 * builtins.def (BUILT_IN_CPROJ, BUILT_IN_CPROJF, BUILT_IN_CPROJL):
466 Use ATTR_CONST_NOTHROW_LIST.
468 2010-04-20 Uros Bizjak <ubizjak@gmail.com>
470 * config/i386/i386.md (ffs<mode>2): Macroize expander from ffs_cmove
471 and ffsdi2 using SWI48 mode iterator. Expand SImode insn through
472 ffsi2_no_cmove for !TARGET_CMOVE.
473 (ffssi2_no_cmove): Rename from *ffs_no_cmove. Make public.
474 (ffssi2): Remove expander.
475 (*ffs<mode>_1): Macroize insn from *ffs{si,di} using SWI48
477 (ctz<mode>2): Ditto from ctz{si,di}2.
478 (clz<mode>2): Macroize expander from ctz{hi,si,di}2 using SWI248
480 (clz<mode>2_abm): Macroize insn from clz{hi,si,di}2_abm using SWI248
483 2010-04-20 Jakub Jelinek <jakub@redhat.com>
485 * dwarf2out.c (AT_linkage_name): Define.
486 (clone_as_declaration): Handle DW_AT_linkage_name.
487 (add_name_and_src_coords_attributes): Use AT_linkage_name instead
488 of DW_AT_MIPS_linkage_name.
489 (move_linkage_attr): Likewise.
490 (dwarf2out_finish): Likewise.
492 2010-04-20 Xinliang David Li <davidxl@gcc.gnu.org>
495 * fold-const.c (fold_comparison): New folding rule.
497 2010-04-20 Anatoly Sokolov <aesok@post.ru>
499 * double-int.h (double_int_setbit): Declare.
500 * double-int.c (double_int_setbit): New function.
501 * rtl.h (immed_double_int_const): Declare.
502 * emit-rtl.c (immed_double_int_const): New function.
503 * builtins.c (expand_builtin_signbit): Clean up, use double_int_*
504 and immed_double_int_const functions.
505 * optabs.c (expand_absneg_bit, expand_copysign_absneg,
506 expand_copysign_bit): (Ditto.).
507 * simplify-rtx.c (simplify_binary_operation_1): (Ditto.).
508 * tree-ssa-address.c (addr_for_mem_ref): (Ditto.).
509 * dojump.c (prefer_and_bit_test): (Ditto.).
510 * expr.c (convert_modes, reduce_to_bit_field_precision,
511 const_vector_from_tree): (Ditto.).
512 * expmed.c (mask_rtx, lshift_value): (Ditto.).
514 2010-04-20 Jan Hubicka <jh@suse.cz>
516 * cgraph.c (cgraph_remove_node): Kill bodies in other partitoin.
517 (dump_cgraph_node): Dump new flags.
518 * cgraph.h (struct cgraph_node): Add flags
519 reachable_from_other_partition and in_other_partition.
520 (cgraph_can_remove_if_no_direct_calls_p): Functions used by
521 other partition can not be removed.
522 * cgraphunit.c (cgraph_mark_functions_to_output): Functions used by
523 the other partition must be output; silence sanity checking on
524 leaking functions bodies from other paritition.
525 * lto-cgraph.c (reachable_from_other_partition_p): New function.
526 (lto_output_node): Output new flags; do not sanity check that inline
527 clones are output; drop lto_forced_extern_inline_p code; do not mock
528 visibility flags at partition boundaries.
529 (add_node_to): New function.
530 (output_cgraph): Use it to sort functions so masters appear before
532 (input_overwrite_node): Input new flags.
533 * passes.c (ipa_write_summaries): Do not call
534 lto_new_extern_inline_states.
535 * lto-section-out.c (forced_extern_inline, lto_new_extern_inline_states,
536 lto_delete_extern_inline_states, lto_force_functions_extern_inline,
537 lto_forced_extern_inline_p): Kill.
538 * lto-streamer.h (lto_new_extern_inline_states,
539 * lto_delete_extern_inline_states, lto_force_functions_extern_inline,
540 lto_forced_extern_inline_p): Kill.
542 2010-04-20 Richard Guenther <rguenther@suse.de>
544 * tree-ssa-structalias.c (do_sd_constraint): Add edges only
545 from vars that can have pointers.
546 (process_constraint): Dump useless constraints.
548 2010-04-20 Richard Guenther <rguenther@suse.de>
550 * tree-ssa-structalias.c (do_structure_copy): Properly handle DEREF.
551 (dump_sa_points_to_info): Remove asserts.
552 (init_base_vars): nothing_id isn't an escape point nor does it
555 2010-04-20 Jakub Jelinek <jakub@redhat.com>
557 * tree.h (TYPE_REF_IS_RVALUE): Define.
558 * dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
559 should_move_die_to_comdat, prune_unused_types_walk): Handle
560 DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
561 (modified_type_die, gen_reference_type_die): Emit
562 DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
563 if TYPE_REF_IS_RVALUE and -gdwarf-4.
565 2010-04-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
568 * config/s390/s390.c (s390_emit_call): Turn direct into indirect
569 calls for -fpic -m31 if they have been sibcall optimized.
571 2010-04-19 James E. Wilson <wilson@codesourcery.com>
573 * config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
574 ar.lc fixed and call-used.
576 * config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.
578 2010-04-19 Jan Hubicka <jh@suse.cz>
580 * opts.c (decode_options): Disable whpr incompatible passes.
581 * lto/lto.c (lto_1_to_1_map): Skip clones.
582 (read_cgraph_and_symbols): Do not mark everything as needed.
583 (do_whole_program_analysis): Do map only after optimizing;
584 set proper cgraph_state; use passmanager.
586 2010-04-19 DJ Delorie <dj@redhat.com>
588 * cfgexpand.c (expand_debug_expr): Check for mismatched modes in
589 POINTER_PLUS_EXPR and fix them.
591 2010-04-19 Eric B. Weddington <eric.weddington@atmel.com>
593 * config/avr/avr-devices.c (avr_mcu_types): Add support for new
594 devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
595 attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
596 atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
597 atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
598 atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
599 atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
600 atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
601 m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
602 atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
603 * config/avr/t-avr.c (MULTILIB_MATCHES): Same.
605 2010-04-19 Eric Botcazou <ebotcazou@adacore.com>
607 * ifcvt.c (noce_try_cmove_arith): Fix long lines.
608 (check_cond_move_block): Likewise.
609 (cond_move_process_if_block): Likewise.
610 (noce_find_if_block): Improve formatting.
611 (find_if_header): Pass 0 to memset and tweak conditions.
612 (cond_exec_find_if_block): Fix long lines and tweak conditions.
614 2010-04-19 Jakub Jelinek <jakub@redhat.com>
616 * dwarf2out.c (lower_bound_default): For DW_LANG_Python return 0
620 * tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
621 with non-local decl doesn't need chain.
623 2010-04-19 Vladimir Makarov <vmakarov@redhat.com>
625 * ira-color.c (allocno_reload_assign): Avoid accumulating
626 reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.
628 2010-04-19 Martin Jambor <mjambor@suse.cz>
630 * gimple.h (create_tmp_reg): Declare.
631 * gimplify.c (create_tmp_reg): New function.
632 (gimplify_return_expr): Use create_tmp_reg.
633 (gimplify_omp_atomic): Likewise.
634 (gimple_regimplify_operands): Likewise.
635 * tree-dfa.c (make_rename_temp): Likewise.
636 * tree-predcom.c (predcom_tmp_var): Likewise.
637 (reassociate_to_the_same_stmt): Likewise.
638 * tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
639 (get_replaced_param_substitute): Likewise.
640 * tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
641 * tree-ssa-phiopt.c (cond_store_replacement): Likewise.
642 * tree-ssa-pre.c (get_representative_for): Likewise.
643 (create_expression_by_pieces): Likewise.
644 * tree-tailcall.c (adjust_return_value_with_ops): Likewise.
645 (create_tailcall_accumulator): Likewise.
647 2010-04-19 Martin Jambor <mjambor@suse.cz>
649 * cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
651 (cgraph_materialize_all_clones): Assert !need_ssa_update_p.
653 2010-04-19 Richard Guenther <rguenther@suse.de>
655 PR tree-optimization/43796
656 * tree-vrp.c (adjust_range_with_scev): Lookup init and step
657 from SCEV in the lattice.
658 (vrp_visit_phi_node): Dump change.
660 2010-04-19 Richard Guenther <rguenther@suse.de>
662 * configure.ac: Fix quoting around elf_getshstrndx ABI check.
663 * configure: Re-generated.
665 2010-04-19 Richard Guenther <rguenther@suse.de>
667 PR tree-optimization/43783
668 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
669 constant ARRAY_REF operands two and three if possible.
671 2010-04-19 Uros Bizjak <ubizjak@gmail.com>
674 * config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.
676 2010-04-19 Jie Zhang <jie@codesourcery.com>
679 * reginfo.c (reinit_regs): Set caller_save_initialized_p to false.
681 2010-04-19 Ira Rosen <irar@il.ibm.com>
683 PR tree-optimization/37027
684 * tree-vectorizer.h (struct _loop_vec_info): Add new field reductions
685 and macro to access it.
686 (vectorizable_reduction): Add argument.
687 (vect_get_slp_defs): Likewise.
688 * tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
689 statements for possible use in SLP.
690 (new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
691 (destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
692 (vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
694 (vectorizable_reduction): Likewise.
695 * tree-vect-stmts.c (vect_get_vec_defs): Update call to
697 (vectorizable_type_demotion, vectorizable_type_promotion,
698 vectorizable_store): Likewise.
699 (vect_analyze_stmt): Update call to vectorizable_reduction.
700 (vect_transform_stmt): Likewise.
701 * tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
702 (vect_build_slp_tree): Fix indentation. Check that there are no loads
703 from different interleaving chains in same node.
704 (vect_slp_rearrange_stmts): New function.
705 (vect_supported_load_permutation_p): Allow load permutations for
706 reductions. Call vect_slp_rearrange_stmts() to rearrange statements
707 inside SLP nodes if necessary.
708 (vect_analyze_slp_instance): Handle reductions.
709 (vect_analyze_slp): Try to build SLP instances originating from groups
711 (vect_detect_hybrid_slp_stmts): Skip reduction statements.
712 (vect_get_constant_vectors): Create initial vectors for reductions
713 according to reduction code. Add new argument.
714 (vect_get_slp_defs): Add new argument, pass it to
715 vect_get_constant_vectors.
716 (vect_schedule_slp_instance): Remove SLP tree root statements.
718 2010-04-19 Jakub Jelinek <jakub@redhat.com>
720 * tree.h (ENUM_IS_SCOPED): Define.
721 * dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
722 for ENUM_IS_SCOPED enums.
724 2010-04-18 Eric Botcazou <ebotcazou@adacore.com>
726 * fold-const.c (fold_comparison): Use ssizetype.
727 * gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
728 * ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
729 * tree-loop-distribution.c (build_size_arg_loc): Likewise.
730 * tree-object-size.c (compute_object_sizes): Use size_type_node.
732 * tree.h (initialize_sizetypes): Remove parameter.
733 (build_common_tree_nodes): Remove second parameter.
734 * stor-layout.c (initialize_sizetypes): Remove parameter.
735 Always create an unsigned type.
736 (set_sizetype): Assert that the passed type is unsigned and simplify.
737 * tree.c (build_common_tree_nodes): Remove second parameter.
738 Adjust call to initialize_sizetypes.
739 * c-decl.c (c_init_decl_processing): Remove second argument in call to
740 build_common_tree_nodes.
742 2010-04-18 Matthias Klose <doko@ubuntu.com>
744 * gcc.c (main): Search for liblto_plugin.so with mode R_OK.
746 2010-04-18 Ira Rosen <irar@il.ibm.com>
748 PR tree-optimization/43771
749 * tree-vect-slp.c (vect_supported_load_permutation_p): Check that
750 load permutation doesn't have gaps.
752 2010-04-18 Jan Hubicka <jh@suse.cz>
754 * i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
755 (sse_prologue_save_insn expander): Use new pattern.
756 (sse_prologue_save_insn1): New pattern and splitter.
757 (sse_prologue_save_insn): Update to deal also with 64bit aligned
759 * i386.c (setup_incoming_varargs_64): Do not compute jump
761 (ix86_gimplify_va_arg): Update alignment needed.
762 (ix86_local_alignment): Do not align all local arrays to 128bit.
764 2010-04-17 Jan Hubicka <jh@suse.cz>
766 * ipa-inline.c (cgraph_early_inlining): Handle flattening too.
768 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
770 * arm.md (negdi2): Remove redundant code to force values into a
773 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
775 * arm/bpabi.S: Add EABI alignment attributes to objects.
776 * arm/bpabi-v6m.S: Likewise.
777 * arm/crti.asm: Likewise.
778 * arm/crtn.asm: Likewise.
779 * arm/lib1funcs.asm: Likewise.
780 * arm/libunwind.S: Likewise.
782 2010-04-17 Richard Earnshaw <rearnsha@arm.com>
784 * arm-protos.h (tune_params): New structure.
785 * arm.c (current_tune): New variable.
786 (arm_constant_limit): Delete.
787 (struct processors): Add pointer to the tune parameters.
788 (arm_slowmul_tune): New tuning option.
789 (arm_fastmul_tune, arm_xscale_tune, arm_9e_tune): Likewise.
790 (all_cores): Adjust to pick up the tuning model.
791 (arm_constant_limit): New function.
792 (arm_override_options): Select the appropriate tuning model. Delete
793 initialization of arm_const_limit.
794 (arm_split_constant): Use the new constant-limit model.
795 (arm_rtx_costs): Pick up the current tuning model.
796 * arm.md (is_strongarm, is_xscale): Delete.
797 * arm-generic.md (load_ldsched_x, load_ldsched): Test explicitly
798 for Xscale variant architectures.
799 (mult_ldsched_strongarm, mult_ldsched): Similarly for StrongARM.
801 2010-04-17 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
803 * config/arm/arm.c (arm_gen_constant): Remove unused variable
805 (arm_rtx_costs_1): Remove unused variable extra_cost.
806 (arm_unwind_emit_set): Use variable offset.
807 (thumb1_output_casesi): Remove unused variable flags.
809 2010-04-16 Jeff Law <law@redhat.com>
811 * ira-color.c (ira_reassign_pseudos): Collect and sort all the pseudos
812 needing assignment rather than doing a two-phase assignment. Remove
815 2010-04-16 Jakub Jelinek <jakub@redhat.com>
818 * alias.c (memrefs_conflict_p): Don't crash if CSELIB_VAL_PTR is NULL.
820 2010-04-16 Doug Kwan <dougkwan@google.com>
822 * tree-ssa-reassoc.c (struct operand_entry): Add new field ID.
823 (next_operand_entry_id): New static variable.
824 (sort_by_operand_rank): Stabilize qsort comparator by using unique IDs.
825 (add_to_ops_vec): Assigned unique ID to operand entry.
826 (struct oecount_s): New field ID.
827 (oecount_cmp): Stabilize qsort comparotor by using unique IDs.
828 (undistribute_ops_list): Assign unique IDs to oecounts.
829 (init_reassoc): reset next_operand_entry_id.
831 2010-04-16 Doug Kwan <dougkwan@google.com>
833 * config/i386/i386.md (*jcc_bt<mode>): Fix build breakage by adding
834 missing left parenthesis.
836 2010-04-16 Uros Bizjak <ubizjak@gmail.com>
838 * config/i386/i386.md (*bt<mode>): Macroize insn from *btsi and
839 *btdi_rex64 using SWI48 mode iterator.
840 (*jcc_bt<mode>): Ditto from *jcc_btsi and *jcc_btdi_rex64.
841 (*jcc_bt<mode>_mask): Ditto from *jcc_btsi_mask and
842 *jcc_btdi_mask_rex64.
844 2010-04-16 Anatoly Sokolov <aesok@post.ru>
846 * double-int.h (tree_to_double_int): Convert to macro.
847 * double-int.c (tree_to_double_int): Remove.
849 2010-04-16 Jakub Jelinek <jakub@redhat.com>
852 * dwarf2out.c (add_bound_info): Always call loc_list_from_tree
853 with want_address 2 and in case a single element list might be
854 possible, call it again with want_address 0.
856 2010-04-12 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
858 * config/h8300/h8300.c (print_operand) : Modify case 'V' and
859 case 'W' print operands for HI mode.
860 * config/h8300/h8300.h (Y0, Y2) : New constraints.
861 * config/h8300/h8300.md (bclrqi_msx, bclrhi_msx): New patterns
862 (bsetqi_msx, bsethi_msx, bnotqi_msx, bnothi_msx): Likewise.
863 * config/h8300/predicate.md (bit_register_indirect_operand): New.
865 * config/h8300/h8300.h (OK_FOR_U): Support 'U' constraint for H8300SX.
867 * config/h8300/h8300.md (movqi_h8sx, movhi_h8sx, movsi_h8sx,
868 cmphi_h8300hs_znvc, cmpsi, addhi3_h8sx) : Emit instructions in
869 #xx:3 and #xx:4 mode.
871 * config/h8300/h8300.md (inverted load with HImode dest): Add
874 * config/h8300/predicate.md (bit_operand): Allow immediate values that
875 satisfy 'U' constraint.
877 2010-04-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
879 * configure.ac: Check for elf_getshdrstrndx or elf_getshstrndx flavor.
880 * configure: Regenerate.
881 * config.in: Regenerate.
882 * doc/install.texi (Prerequisites): Document that Solaris 2 libelf
885 2010-04-16 Richard Guenther <rguenther@suse.de>
887 * tree.h (struct tree_decl_minimal): Move pt_uid ...
888 (struct tree_decl_common): ... here.
889 (DECL_PT_UID): Adjust.
890 (SET_DECL_PT_UID): Likewise.
891 (DECL_PT_UID_SET_P): Likewise.
893 2010-04-16 Richard Guenther <rguenther@suse.de>
895 PR tree-optimization/43572
896 * tree-ssa-alias.h (call_may_clobber_ref_p): Declare.
897 * tree-ssa-alias.c (call_may_clobber_ref_p): Export.
898 * tree-flow.h (is_call_clobbered): Remove.
899 * tree-flow-inline.h (is_call_clobbered): Likewise.
900 * tree-dfa.c (dump_variable): Do not dump call clobber state.
901 * tree-nrv.c (dest_safe_for_nrv_p): Use the alias oracle.
902 (execute_return_slot_opt): Adjust.
903 * tree-tailcall.c (suitable_for_tail_opt_p): Remove
904 check for call clobbered vars here.
905 (find_tail_calls): Move tailcall verification to the
908 2010-04-16 Diego Novillo <dnovillo@google.com>
910 * doc/invoke.texi: Explain how are unrecognized -Wno- warnings handled.
912 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
915 * config/arm/arm.md (cbranchqi4): New pattern.
916 * config/arm/predicates.md (const0_operand,
917 cbranchqi4_comparison_operator): New predicates.
919 2010-04-16 Richard Guenther <rguenther@suse.de>
921 * gimple-pretty-print.c (dump_gimple_phi): Dump alias info.
922 (dump_gimple_stmt): Likewise.
924 2010-04-16 Bernd Schmidt <bernds@codesourcery.com>
926 * recog.h (struct recog_data): New field is_operator.
927 (struct insn_operand_data): New field is_operator.
928 * recog.c (extract_insn): Set recog_data.is_operator.
929 * genoutput.c (output_operand_data): Emit code to set the
931 * reload.c (find_reloads): Use it rather than testing for an
932 empty constraint string.
935 * config/arm/arm.md (cbranchsi4_insn): Renamed from "*cbranchsi4_insn".
936 If the previous insn is a cbranchsi4_insn with the same arguments,
937 omit the compare instruction.
939 * config/arm/arm.md (addsi3_cbranch): If destination is a high
940 register, inputs must be low registers and we need a low register
941 scratch. Handle alternative 2 like alternative 3.
943 2010-04-16 Jakub Jelinek <jakub@redhat.com>
945 * alias.c (memrefs_conflict_p): If x and y are the same VALUE,
946 don't call get_addr on both. If one expression is a VALUE and
947 the other a REG, check VALUE's locs if the REG isn't among them.
949 2010-04-16 Christian Bruel <christian.bruel@st.com>
951 * config/sh/sh.h (sh_frame_pointer_required): New function.
952 * config/sh/sh.h (TARGET_FRAME_POINTER_REQUIRED): New macro.
953 (flag_omit_frame_pointer) Set.
954 (MASK_ACCUMULATE_OUTGOING_ARGS) Define and Set.
955 (rounded_frame_size): Adjust size with outgoing_args_size.
956 (sh_set_return_address): Must return from stack pointer.
957 * gcc/config/sh/sh.h (CAN_DEBUG_WITHOUT_FP): Define.
958 (SUBTARGET_FRAME_POINTER_REQUIRED): Define.
959 (ACCUMULATE_OUTGOING_ARGS): Define.
960 * doc/invoke.texi (maccumulate-outgoing-args): Document for SH.
961 * gcc/config/sh/sh.opt: (maccumulate-outgoing-args): New option.
963 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
966 * config/sh/sh.c (sh_legitimize_reload_address): Use
967 MAYBE_BASE_REGISTER_RTX_P instead of BASE_REGISTER_RTX_P.
968 Remove a unneeded check for offset_base.
970 2010-04-15 H.J. Lu <hongjiu.lu@intel.com>
972 * configure: Regenerated.
974 2010-04-15 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
976 * config/s390/s390.c (s390_call_save_register_used): Switch back
979 2010-04-15 Richard Guenther <rguenther@suse.de>
981 * alias.c (alias_set_subset_of): Handle alias-set zero
984 2010-04-15 Mark Shinwell <shinwell@codesourcery.com>
985 Julian Brown <julian@codesourcery.com>
987 * config/arm/thumb2.md (thumb2_movsi_insn): Split ldr and str
988 alternatives according to use of high and low regs.
989 * config/arm/vfp.md (thumb2_movsi_vfp): Likewise.
990 * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Use high regs when
991 optimizing for size on Thumb-2.
993 2010-04-15 Thomas Schwinge <tschwinge@gnu.org>
995 * config.gcc <i[34567]86-*-gnu*>: Handle softfp as for Linux.
997 2010-04-15 Richard Guenther <rguenther@suse.de>
999 * tree-ssa-structalias.c (struct variable_info): Add
1001 (new_var_info): Initialize it.
1002 (dump_constraints): Support printing last added constraints.
1003 (debug_constraints): Adjust.
1004 (dump_constraint_graph): Likewise.
1005 (make_heapvar_for): Check for NULL cfun.
1006 (get_function_part_constraint): New function.
1007 (get_fi_for_callee): Likewise.
1008 (find_func_aliases): Properly implement IPA PTA constraints.
1009 (process_ipa_clobber): New function.
1010 (find_func_clobbers): Likewise.
1011 (insert_into_field_list_sorted): Remove.
1012 (create_function_info_for): Properly allocate vars for IPA mode.
1013 Do not use insert_into_field_list_sorted.
1014 (create_variable_info_for): Properly generate constraints for
1015 global vars in IPA mode.
1016 (dump_solution_for_var): Always dump the solution.
1017 (set_uids_in_ptset): Initialize DECL_PT_UID if in ipa-mode.
1018 (find_what_var_points_to): Adjust.
1019 (pt_solution_set): Change.
1020 (pt_solution_ior_into): New function.
1021 (pt_solution_empty_p): Export.
1022 (pt_solution_includes_global): Adjust.
1023 (pt_solution_includes_1): Likewise.
1024 (pt_solutions_intersect_1): Likewise.
1025 (dump_sa_points_to_info): Check some invariants.
1026 (solve_constraints): Move constraint dumping ...
1027 (compute_points_to_sets): ... here.
1028 (ipa_pta_execute): ... and here.
1029 (compute_may_aliases): Do not re-compute points-to info
1030 locally if IPA info is available.
1031 (ipa_escaped_pt): New global var.
1032 (ipa_pta_execute): Properly implement IPA PTA.
1033 * tree-into-ssa.c (dump_decl_set): Support dumping
1034 decls not in referenced-vars.
1035 * tree-flow.h (struct gimple_df): Add ipa_pta flag.
1036 * tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Adjust.
1037 (dump_points_to_solution): Likewise.
1038 * tree-dfa.c (dump_variable): Also dump DECL_PT_UID.
1039 * tree-inline.c (remap_ssa_name): Copy IPA points-to solution.
1040 (remap_gimple_stmt): Reset call clobber/use information if necessary.
1041 (copy_decl_to_var): Copy DECL_PT_UID.
1042 (copy_result_decl_to_var): Likewise.
1043 * tree.c (make_node_stat): Initialize DECL_PT_UID.
1044 (copy_node_stat): Copy it.
1045 * tree.h (DECL_PT_UID): New macro.
1046 (SET_DECL_PT_UID): Likewise.
1047 (DECL_PT_UID_SET_P): Likewise.
1048 (struct tree_decl_minimal): Add pt_uid member.
1049 * tree-ssa-alias.h (struct pt_solution): Add ipa_escaped flag.
1050 (pt_solution_empty_p): Declare.
1051 (pt_solution_set): Adjust.
1052 (ipa_escaped_pt): Declare.
1053 * cfgexpand.c (update_alias_info_with_stack_vars): Adjust.
1054 * gimple-pretty-print.c (pp_points_to_solution): New function.
1055 (dump_gimple_call): Dump call clobber/use information.
1056 * tree-dump.c (dump_option_value_in): Add TDF_ALIAS entry.
1057 * tree-pass.h (TDF_ALIAS): New dump option.
1058 * tree-pretty-print.c (dump_decl_name): Dump DECL_PT_UID if asked to.
1059 * doc/invoke.texi (-fipa-pta): Update documentation.
1061 2010-04-15 Richard Guenther <rguenther@suse.de>
1063 * Makefile.in (OBJS-common): Add gimple-fold.o.
1064 (gimple-fold.o): New rule.
1065 * tree.h (maybe_fold_offset_to_reference,
1066 maybe_fold_offset_to_address, maybe_fold_stmt_addition): Move
1068 * gimple.h: ... here.
1069 * tree-flow.h (fold_stmt, fold_stmt_inplace, get_symbol_constant_value,
1070 may_propagate_address_into_dereference): Move prototypes ...
1071 * gimple.h: ... here.
1072 * tree-ssa-ccp.c (get_symbol_constant_value,
1073 may_propagate_address_into_dereference, maybe_fold_offset_to_array_ref,
1074 maybe_fold_offset_to_component_ref, maybe_fold_offset_to_reference,
1075 maybe_fold_offset_to_address, maybe_fold_stmt_indirect,
1076 maybe_fold_stmt_addition, maybe_fold_reference, get_maxval_strlen,
1077 ccp_fold_builtin, fold_gimple_assign, fold_gimple_cond,
1078 fold_gimple_call, fold_stmt_1, fold_stmt, fold_stmt_inplace,
1079 gimplify_and_update_call_from_tree): Move ...
1080 * gimple-fold.c: ... here. New file.
1081 (ccp_fold_builtin): Rename to ...
1082 (gimple_fold_builtin): ... this.
1083 * tree-ssa-ccp.c (execute_fold_all_builtins): Adjust.
1085 2010-04-15 Richard Guenther <rguenther@suse.de>
1087 * fold-const.c (LOWPART, HIGHPART, BASE, encode, decode,
1088 fit_double_type, force_fit_type_double, add_double_with_sign,
1089 neg_double, mul_double_with_sign, lshift_double, rshift_double,
1090 lrotate_double, rrotate_double, div_and_round_double): Move ...
1091 * double-int.c: ... here.
1092 * tree.h (force_fit_type_double, fit_double_type, add_double_with_sign,
1093 add_double, neg_double, mul_double_with_sign, mul_double,
1094 lshift_double, rshift_double, lrotate_double, rrotate_double,
1095 div_and_round_double): Move prototypes ...
1096 * double-int.h: ... here.
1098 2010-04-15 Bernd Schmidt <bernds@codesourcery.com>
1101 * config/sh/sh.md (doloop_end_split, dect): Undo previous patch. Use
1102 matching constraints to ensure inputs match the output.
1104 2010-04-15 Kaz Kojima <kkojima@gcc.gnu.org>
1107 * config/sh/sh.md (doloop_end_split): Remove "+r" constraint
1108 in an input-only operand.
1110 2010-04-15 Anatoly Sokolov <aesok@post.ru>
1112 * double-int.h (HOST_BITS_PER_DOUBLE_INT): Define.
1113 (double_int_not, double_int_lshift, double_int_rshift): Declare.
1114 (double_int_negative_p): Convert to static inline function.
1115 * double-int.c (double_int_lshift, double_int_lshift): Add new function.
1116 (double_int_negative_p): Remove.
1117 * tree.h (lshift_double, rshift_double):
1118 * tree.c (build_low_bits_mask): Clean up, use double_int_* functions.
1119 * fold-const.c (fold_convert_const_int_from_real,
1120 fold_convert_const_int_from_fixed, div_if_zero_remainder): (Ditto.).
1121 (lshift_double): Change type of arith argument to bool.
1122 (rshift_double): Change type of arith argument to bool. Correct
1124 * expmed.c (mask_rtx, lshift_value): (Ditto.).
1126 2010-04-14 Bernd Schmidt <bernds@codesourcery.com>
1129 * ifcvt.c (cond_exec_process_if_block): Look for identical sequences
1130 at the start and end of the then/else blocks, and omit them from the
1132 * cfgcleanup.c (flow_find_cross_jump): No longer static. Remove MODE
1133 argument; all callers changed. Pass zero to old_insns_match_p instead.
1134 (flow_find_head_matching_sequence): New function.
1135 (old_insns_match_p): Check REG_EH_REGION notes for calls.
1136 * basic-block.h (flow_find_cross_jump,
1137 flow_find_head_matching_sequence): Declare functions.
1139 2010-04-14 Jason Merrill <jason@redhat.com>
1142 * c-common.c (attribute_takes_identifier_p): New fn.
1143 * c-common.h: Declare it.
1145 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1147 * config/i386/i386.md (*divmod<mode>4): Remove stray "&&" from
1149 (*udivmod<mode>4): Ditto.
1151 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1153 * config/i386/i386.md (maxmin_int): Rename code attribute from
1154 maxminiprefix and update all users.
1155 (maxmin_float): Ditto from maxminfprefix.
1156 (logic): Ditto from logicprefix.
1157 (absneg_mnemonic): Ditto from absnegprefix.
1158 * config/i386/mmx.md: Update all users of maxminiprefix,
1159 maxminfprefix and logicprefix for rename.
1160 * config/i386/sse.md: Ditto.
1161 * config/i386/sync.md (sync_<code><mode>): Update for
1164 2010-04-14 Manuel López-Ibáñez <manu@gcc.gnu.org>
1167 * diagnostics.c (diagnostic_report_diagnostic): Mark specially
1168 warnings converted to errors.
1170 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1172 * config/alpha/alpha.c (alpha_adjust_cost): Remove set but not
1173 used insn_type variable.
1174 (function_value): Add ATTRIBUTE_UNUSED to dummy variable declaration
1175 to avoid set-but-not-used warning.
1177 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1179 * df-core.c (df_ref_debug): Change format string placeholder
1181 * dwarf2asm.c (dw2_asm_output_data_raw,
1182 dw2_asm_output_data_uleb128_raw, dw2_asm_output_data_uleb128,
1183 dw2_asm_output_data_sleb128_raw, dw2_asm_output_data_sleb128): Ditto.
1184 * dwarf2out.c (output_cfi, output_cfi_directive,
1185 dwarf2out_do_cfi_startproc, output_loc_sequence_raw,
1186 output_cfa_loc_raw, output_die, output_ranges, output_file_names):
1188 * genattrtab.c (write_test_expr, write_attr_valueq): Ditto.
1189 * print-rtl.c (print_rtx): Ditto.
1191 2010-04-14 Michael Meissner <meissner@linux.vnet.ibm.com>
1194 * builtins.c (expand_builtin_pow_root): New function to expand pow
1195 calls with exponents 0.25, 0.50, 0.75, 1./3., and 1./6. into a
1196 series of sqrt and cbrt calls under -ffast-math.
1197 (expand_builtin_pow): Call it.
1199 2010-04-14 Michael Matz <matz@suse.de>
1201 PR tree-optimization/42963
1202 * tree-cfg.c (touched_switch_bbs): New static variable.
1203 (group_case_labels_stmt): New function broken out from ...
1204 (group_case_labels): ... here, use the above.
1205 (start_recording_case_labels): Allocate touched_switch_bbs.
1206 (end_recording_case_labels): Deallocate it, call
1207 group_case_labels_stmt.
1208 (gimple_redirect_edge_and_branch): Remember index of affected BB.
1210 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1212 * config/i386/i386.md (*popcountsi2_cmp_zext): Remove mode attribute
1215 2010-04-14 Uros Bizjak <ubizjak@gmail.com>
1217 * config/i386/i386.md (*ashlqi3_1_slp): New insn pattern.
1219 2010-04-13 Jan Hubicka <jh@suse.cz>
1221 * ipa-inline.c (cgraph_mark_inline_edge): Avoid double accounting
1222 of optimized out static functions.
1223 (cgraph_edge_badness): Add DUMP parameter and dump reasons for the
1224 cost computation. Also sanity check for overflows.
1225 (update_caller_keys): Update cgraph_edge_badness call; properly
1226 update fibheap and sanity check that it is up to date.
1227 (add_new_edges_to_heap): Update cgraph_edge_badness.
1228 (cgraph_decide_inlining_of_small_function): Likewise;
1229 add sanity checking that badness in heap is up to date;
1230 improve dumping of reason; Update badness of calls to the
1231 offline copy of function currently inlined; dump badness
1232 of functions not inlined because of unit growth limits.
1234 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1237 * c-common.c (pointer_int_sum): Disregard overflow that occured only
1238 because of sign-extension change when converting to sizetype here...
1239 * fold-const.c (fold_convert_const_int_from_int): ...and not here.
1241 * fold-const.c (fold_binary_op_with_conditional_arg): Do not restrict
1242 the folding to constants. Remove redundant final conversion.
1243 (fold_binary) <associate>: Do not associate if the re-association of
1244 constants alone overflows.
1245 (fold_binary) <FLOOR_MOD_EXPR>: Move transformation into BIT_AND_EXPR
1246 to the end of the list.
1247 (multiple_of_p) <COND_EXPR>: New case.
1249 2010-04-13 Manuel López-Ibáñez <manu@gcc.gnu.org>
1251 * opt-functions.awk (opt_sanitized_name): New.
1253 * optc-gen.awk: Use it
1254 * opth-gen.awk: Use it.
1256 2010-04-13 Martin Jambor <mjambor@suse.cz>
1258 * tree-sra.c (replace_uses_with_default_def_ssa_name): New function.
1259 (sra_modify_assign): Delete stmts loading dead data even if racc has no
1260 children. Call replace_uses_with_default_def_ssa_name to handle
1263 2010-04-13 Michael Matz <matz@suse.de>
1266 * builtins.c (expand_builtin_interclass_mathfn): Also create
1267 a register if the predicate doesn't match.
1269 2010-04-13 Diego Novillo <dnovillo@google.com>
1271 * Makefile.in (c-pch.o, ggc-common.o): Depend on timevar.h.
1272 * c-pch.c: Include timevar.h.
1273 (c_common_write_pch): Use TV_PCH_SAVE and TV_PCH_CPP_SAVE timers.
1274 (c_common_read_pch): Use TV_PCH_RESTORE and TV_PCH_CPP_RESTORE timers.
1275 * ggc-common.c: Include timevar.h.
1276 (gt_pch_save): Use TV_PCH_PTR_REALLOC and TV_PCH_PTR_SORT timers.
1277 * timevar.def (TV_PCH_SAVE): Define.
1278 (TV_PCH_CPP_SAVE): Define.
1279 (TV_PCH_PTR_REALLOC): Define.
1280 (TV_PCH_PTR_SORT): Define.
1281 (TV_PCH_RESTORE): Define.
1282 (TV_PCH_CPP_RESTORE): Define.
1284 2010-04-13 Michael Matz <matz@suse.de>
1286 * tree-ssa-reassoc.c (repropagate_negates): Merge negates also
1288 (can_reassociate_p): New function.
1289 (break_up_subtract_bb, reassociate_bb): Use it.
1291 2010-04-13 Richard Guenther <rguenther@suse.de>
1294 * builtins.c (c_readstr): Fix assert.
1296 2010-04-13 Uros Bizjak <ubizjak@gmail.com>
1298 * config/i386/i386.md (extendsidi2 splitter): Also check for DX_REG
1299 when generating cltd insn.
1301 (*ashl<mode>3_1): Remove special handling for register operand 2.
1302 (*ashlsi3_1_zext): Ditto.
1303 (*ashlhi3_1): Ditto.
1304 (*ashlhi3_1_lea): Ditto.
1305 (*ashlqi3_1): Ditto.
1306 (*ashlqi3_1_lea): Ditto.
1307 (*<shiftrt_insn><mode>3_1): Ditto.
1308 (*<shiftrt_insn>si3_1_zext): Ditto.
1309 (*<shiftrt_insn>qi3_1_slp): Ditto.
1310 (*<rotate_insn><mode>3_1): Ditto.
1311 (*<rotate_insn>si3_1_zext): Ditto.
1312 (*<rotate_insn>qi3_1_slp): Ditto.
1314 2010-04-13 Richard Guenther <rguenther@suse.de>
1316 * tree-ssa-structalias.c (callused_id): Remove.
1317 (call_stmt_vars): New.
1318 (get_call_vi): Likewise.
1319 (lookup_call_use_vi): Likewise.
1320 (lookup_call_clobber_vi): Likewise.
1321 (get_call_use_vi): Likewise.
1322 (get_call_clobber_vi): Likewise.
1323 (make_transitive_closure_constraints): Likewise.
1324 (handle_const_call): Adjust to do per-call call-used handling.
1325 (handle_pure_call): Likewise.
1326 (find_what_var_points_to): Remove general callused handling.
1327 (init_base_vars): Likewise.
1328 (init_alias_vars): Initialize call_stmt_vars.
1329 (compute_points_to_sets): Process call-used and call-clobbered
1330 vars for call statements.
1331 (delete_points_to_sets): Free call_stmt_vars.
1333 2010-04-13 Richard Guenther <rguenther@suse.de>
1335 * tree-vect-data-refs.c (vect_analyze_data_ref_dependence):
1336 Only add RW dependence for dependence distance zero.
1337 Adjust maximal vectorization factor according to dependences.
1338 Move alignment handling ...
1339 (vect_find_same_alignment_drs): ... here. New function.
1340 (vect_analyze_data_ref_dependences): Adjust.
1341 (vect_analyze_data_refs_alignment): Call vect_find_same_alignment_drs.
1342 (vect_analyze_data_refs): Adjust minimal vectorization factor
1343 according to data references.
1344 * tree-vect-loop.c (vect_analyze_loop): Analyze data-ref
1345 dependences before determining the vectorization factor.
1346 Analyze alignment after determining the vectorization factor.
1347 * tree-vect-slp.c ((vect_slp_analyze_bb): Analyze data-ref
1348 dependences before alignment.
1349 * tree-vectorizer.h (vect_analyze_data_ref_dependences):
1351 (vect_analyze_data_refs): Likewise.
1352 (MAX_VECTORIZATION_FACTOR): New define.
1354 2010-04-13 Duncan Sands <baldrick@free.fr>
1356 * except.h (lang_eh_type_covers): Remove.
1357 * except.c (lang_eh_type_covers): Likewise.
1359 2010-04-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1360 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
1362 * gcc/config/s390/s390.md: Replace TARGET_64BIT with TARGET_ZARCH.
1363 * gcc/config/s390/s390.c: Replace UNTIS_PER_WORD with
1364 UNITS_PER_LONG where it is ABI relevant.
1365 (s390_return_addr_rtx): Likewise.
1366 (s390_back_chain_rtx): Likewise.
1367 (s390_frame_area): Likewise.
1368 (s390_frame_info): Likewise.
1369 (s390_initial_elimination_offset): Likewise.
1370 (save_gprs): Likewise.
1371 (s390_emit_prologue): Likewise.
1372 (s390_emit_epilogue): Likewise.
1373 (s390_function_arg_advance): Likewise.
1374 (s390_function_arg): Likewise.
1375 (s390_va_start): Likewise.
1376 (s390_gimplify_va_arg): Likewise.
1377 (s390_function_profiler): Likewise.
1378 (s390_optimize_prologue): Likewise.
1379 (s390_rtx_costs): Likewise.
1380 (s390_secondary_reload): Likewise.
1381 (s390_promote_function_mode): Likewise.
1382 (s390_hard_regno_mode_ok): Replace TARGET_64BIT with TARGET_ZARCH.
1383 (s390_scalar_mode_supported_p): Disallow TImode if no 64 bit
1384 registers available.
1385 (s390_unwind_word_mode): New function.
1386 (s390_function_value): Split 64 bit values into register pair if
1387 used as return value.
1388 (s390_call_saved_register_used): Don't use HARD_REGNO_NREGS for
1389 function call parameters. Handle parallels.
1390 (TARGET_SCALAR_MODE_SUPPORTED_P): New macro.
1391 (HARD_REGNO_CALL_PART_CLOBBERED): New macro.
1392 (DWARF_CIE_DATA_ALIGNMENT): New macro.
1393 (s390_expand_setmem): Remove unused variable src_addr.
1394 * gcc/longlong.h: Make smul_ppmm and sdiv_qrnnd inline asms to
1395 deal with 64 bit registers.
1396 * gcc/config/s390/s390.h: Define __zarch__ predefined macro.
1397 Replace UNITS_PER_WORD with UNITS_PER_LONG where it is ABI relevant.
1398 (UNITS_PER_LONG): New macro.
1399 * libjava/include/s390-signal.h: Define extended ucontext
1400 structure containing the upper halfs of the 64 bit registers.
1402 2010-04-13 Simon Baldwin <simonb@google.com>
1404 * cfgexpand.c (gimple_expand_cfg): Clarify warning message text.
1406 2010-04-13 Eric Botcazou <ebotcazou@adacore.com>
1408 * gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
1409 rvalue on the RHS if the LHS is of a non-renamable type.
1410 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
1412 2010-04-13 Matthias Klose <doko@ubuntu.com>
1414 * gcc.c (cc1_options): Handle -iplugindir before processing
1415 the cc1 spec. Only add -iplugindir once.
1416 (cpp_unique_options): Add -iplugindir option if -fplugin* options
1418 * common.opt (iplugindir): Remove `Separate' property, initialize.
1419 * plugin.c (default_plugin_dir_name): Error with missing -iplugindir
1421 * Makefile.in (check-%, check-parallel-%): Create plugin dir.
1422 (distclean): Remove plugin dir.
1423 * doc/invoke.texi: Document -iplugindir.
1425 2010-04-13 Basile Starynkevitch <basile@starynkevitch.net>
1427 * doc/plugins.texi (Loading Plugins): Document short
1428 -fplugin=foo option.
1429 (Plugin API): Mention default_plugin_dir_name function.
1431 * gcc.c (find_file_spec_function): Add new declaration.
1432 (static_spec_func): Use it for "find-file".
1433 (find_file_spec_function): Add new function.
1434 (cc1_options): Add -iplugindir option if -fplugin* options found.
1436 * gcc-plugin.h (default_plugin_dir_name): Added new declaration.
1438 * plugin.c (add_new_plugin): Updated comment, and handle short
1440 (default_plugin_dir_name): Added new function.
1442 * common.opt (iplugindir): New option to set the plugin directory.
1444 2010-04-12 Uros Bizjak <ubizjak@gmail.com>
1446 * config/i386/i386.md (any_rotate): New code iterator.
1447 (rotate_insn): New code attribute.
1449 (SWIM124): New mode iterator.
1450 (<rotate_insn>ti3): New expander.
1451 (<rotate_insn>di3): Macroize expander from {rotl,rotr}di3 using
1452 any_rotate code iterator.
1453 (<rotate_insn><mode>3) Macroize expander from {rotl,rotr}{qi,hi,si}3
1454 using any_rotate code iterator and SWIM124 mode iterator.
1455 (ix86_rotlti3): New insn_and_split pattern.
1456 (ix86_rotrti3): Ditto.
1457 (ix86_rotl<dwi>3_doubleword): Macroize insn_and_split pattern from
1458 ix86_rotl{di,ti}3 patterns.
1459 (ix86_rotr<dwi>3_doubleword): Ditto from ix86_rotr{di,ti}3 patterns.
1460 (*<rotate_insn><mode>3_1): Merge with *{rotl,rotr}{qi,hi,si}3_1_one_bit
1461 and *{rotl,rotr}di3_1_one_bit_rex64. Macroize insn from
1462 *{rotl,rotr}{qi,hi,si}3_1 and *{rotl,rotr}di3_1_rex64 using any_rotate
1463 code iterator and SWI mode iterator.
1464 (*<rotate_insn>si3_1_zext): Merge with *{rotl,rotr}si3_1_one_bit_zext.
1465 Macroize insn from {rotl,rotr}si3_1_zext using any_rotate
1467 (*<rotate_insn>qi3_1_slp): Merge with *{rotl,rotr}qi3_1_one_bit_slp.
1468 Macroize insn from {rotl,rotr}qi3_1_slp using any_rotate code iterator.
1469 (bswap rotatert splitter): Add splitter.
1470 (bswap splitter): Macroize splitter using any_rotate code iterator.
1471 Add insn predicate to split only for TARGET_USE_XCHGB or when
1472 optimizing function for size.
1474 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1476 * config/pa/pa.c (emit_move_sequence): Remove use of
1477 deleted variable flag_argument_noalias.
1479 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1481 * config.gcc: Removed *-*-solaris2.7* from list of obsolete
1483 Add to unsupported targets list.
1484 * configure.ac (gcc_cv_as_tls): Removed i[34567]86-*-solaris2.[567]*,
1485 sparc*-sun-solaris2.[567]* from target lists.
1486 * configure: Regenerate.
1487 * doc/install.texi (Specific, *-*-solaris2*): Document Solaris 7
1489 Remove Solaris 7 patch references.
1490 (Specific, sparc-sun-solaris2.7): Removed.
1491 (sparc-sun-solaris2*): Update Solaris 7 example.
1492 (sparc64-*-solaris2*): Likewise.
1494 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1496 * config.build (alpha*-dec-osf4*): Remove.
1497 * config.gcc: Remove alpha*-dec-osf4*, alpha-dec-osf5.0* from list
1498 of obsolete configurations.
1499 (alpha*-dec-osf[45]*): Remove alpha*-dec-osf4*, alpha-dec-osf5.0*
1501 * config/alpha/t-osf4: Renamed to ...
1502 * config/alpha/t-osf5: ... this.
1503 * config/alpha/osf.h: Renamed to ...
1504 * config/alpha/osf5.h: ... this.
1505 Merged old osf5.h contents.
1507 (ASM_SPEC): Use ASM_OLDAS_SPEC directly.
1508 (EXTRA_SPECS): Removed.
1509 * doc/install.texi (Specific, alpha*-dec-osf5.1): Renamed to
1510 reflect removal of Tru64 UNIX V4.0/V5.0 support.
1513 2010-04-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1515 * doc/contrib.texi (Contributors, Rainer Orth): Update.
1517 2010-04-12 Kai Tietz <kai.tietz@onevision.com>
1520 * config/i386/i386.c (x86_this_parameter): Handle aggregate for
1521 __thiscall convention.
1523 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1525 * config/pa/pa.c (hppa_legitimize_address): Remove unused variable
1527 * config/pa/pa.md (call, call_value): Remove unused variable call_insn.
1529 2010-04-12 Steve Ellcey <sje@cup.hp.com>
1531 * function.c (assign_parms_initialize_all): Add unused attribute
1534 2010-04-12 Richard Guenther <rguenther@suse.de>
1536 * gsstruct.def (GSS_CALL): New.
1537 * gimple.def (GIMPLE_CALL): Change to GSS_CALL.
1538 * gimple.h: Include tree-ssa-alias.h.
1539 (struct gimple_statement_call): New.
1540 (union gimple_statement_struct_d): Add gimple_call member.
1541 (gimple_call_reset_alias_info): Declare.
1542 (gimple_call_use_set): New function.
1543 (gimple_call_clobber_set): Likewise.
1544 * Makefile.in (GIMPLE_H): Add tree-ssa-alias.h.
1545 * gimple.c (gimple_call_reset_alias_info): New function.
1546 (gimple_build_call_1): Call it.
1547 * lto-streamer-in.c (input_gimple_stmt): Likewise.
1548 * tree-inline.c (remap_gimple_stmt): Likewise.
1549 (expand_call_inline): Remove callused handling.
1550 * cfgexpand.c (update_alias_info_with_stack_vars): Likewise.
1551 * tree-dfa.c (dump_variable): Likewise.
1552 * tree-parloops.c (parallelize_loops): Likewise.
1553 * tree-ssa.c (init_tree_ssa): Likewise.
1554 (delete_tree_ssa): Likewise.
1555 * tree-flow-inline.h (is_call_used): Remove.
1556 * tree-flow.h (struct gimple_df): Remove callused member.
1557 * tree-nrv.c (dest_safe_for_nrv_p): Adjust predicate.
1558 * tree-ssa-alias.c (dump_alias_info): Remove callused handling.
1559 (ref_maybe_used_by_call_p_1): Simplify.
1560 (call_may_clobber_ref_p_1): Likewise.
1561 * tree-ssa-structalias.c (compute_points_to_sets): Set
1562 the call stmt used and clobbered sets.
1563 * tree-tailcall.c (suitable_for_tail_opt_p): Adjust predicate.
1564 (find_tail_calls): Verify the tail call.
1566 2010-04-12 Richard Guenther <rguenther@suse.de>
1568 * ipa.c (cgraph_postorder): Adjust postorder to guarantee
1569 single-iteration always-inline inlining.
1570 * ipa-inline.c (cgraph_mark_inline): Do not return anything.
1571 (cgraph_decide_inlining): Do not handle always-inline specially.
1572 (try_inline): Remove always-inline cycle detection special case.
1573 Do not recurse on always-inlines.
1574 (cgraph_early_inlining): Do not iterate if not optimizing.
1575 (cgraph_gate_early_inlining): remove.
1576 (pass_early_inline): Run unconditionally.
1577 (gate_cgraph_decide_inlining): New function.
1578 (pass_ipa_inline): Use it. Do not run the IPA inliner if
1579 not inlining or optimizing.
1580 (cgraph_decide_inlining_of_small_functions): Also consider
1581 always-inline functions.
1582 (cgraph_default_inline_p): Return true for nodes which should
1583 disregard inline limits.
1584 (estimate_function_body_sizes): Assume zero size and time for
1585 nodes which are marked as disregarding inline limits.
1586 (cgraph_decide_recursive_inlining): Do not perform recursive
1587 inlining on always-inline nodes.
1589 2010-04-12 Jakub Jelinek <jakub@redhat.com>
1592 * c-typeck.c (c_process_expr_stmt): Call mark_exp_read even
1593 for exprs satisfying handled_component_p.
1595 2010-04-12 Eric Botcazou <ebotcazou@adacore.com>
1597 * expr.c (categorize_ctor_elements_1): Properly count sub-elements of
1598 non-constant aggregate elements.
1600 * gimplify.c (gimplify_init_constructor): Do not pre-evaluate if this
1601 is a real initialization.
1603 2010-04-12 Shujing Zhao <pearly.zhao@oracle.com>
1606 * c-decl.c (start_function): Move forward check for nested function.
1608 2010-04-11 Kaz Kojima <kkojima@gcc.gnu.org>
1610 * config/sh/sh-protos.h (sh_legitimize_reload_address): Declare.
1611 * config/sh/sh.c: Include reload.h.
1612 (sh_legitimize_reload_address): New.
1613 * config/sh/sh.h (LEGITIMIZE_RELOAD_ADDRESS): Use
1614 sh_legitimize_reload_address.
1616 2010-04-11 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
1618 * config/sh/sh.md (*movqi_pop): New insn pattern.
1619 * config/sh/predicates.md (sh_no_delay_pop_operand): New predicate.
1621 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1623 * config/i386/i386.md (any_shiftrt): New code iterator.
1624 (shiftrt_insn): New code attribute.
1626 (<shiftrt_insn><mode>3): Macroize expander from {ashr,lshr}<mode>3
1627 using any_shiftrt code iterator.
1628 (*<shiftrt_insn><mode>3_doubleword): Macroize insn_and_split from
1629 *{ashr,lshr}<mode>3_doubleword using any_shiftrt code iterator.
1630 (*<shiftrt_insn><mode>3_doubleword peephole2): Macroize peephole2
1631 pattern from corresponding peephole2 patterns.
1632 (*<shiftrt_insn><mode>3_1): Macroize insn from *{ashr,lshr}<mode>3_1
1633 using any_shiftrt code iterator.
1634 (*<shiftrt_insn>si3_1_zext): Ditto from *{ashr,lshr}si3_1_zext.
1635 (*<shiftrt_insn>qi3_1_slp): Ditto from *{ashr,lshr}qi3_1_slp.
1636 (*<shiftrt_insn><mode>3_cmp): Ditto from *{ashr,lshr}<mode>3_cmp.
1637 (*<shiftrt_insn><mode>3_cmp_zext): Ditto from
1638 *{ashr,lshr}<mode>3_cmp_zext.
1639 (*<shiftrt_insn><mode>3_cconly): Ditto from *{ashr,lshr}<mode>3_cconly.
1641 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1643 * config/i386/i386.md (*ashr<mode>3_cconly): Fix wrong mode of
1645 (*lshr<mode>3_cconly): Ditto.
1647 2010-04-11 Uros Bizjak <ubizjak@gmail.com>
1649 * config/i386/i386.md (lshr<mode>3): Macroize expander from
1650 lshr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1651 (*lshr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1652 pattern from *lshr{di,ti}3_1 and corresponding splitters using
1654 (*lshr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1655 from corresponding peephole2 patterns.
1656 (*lshr<mode>3_1): Merge with *lshr{qi,hi,si}3_1_one_bit and
1657 *lshrdi3_1_one_bit_rex64. Macroize insn from *lshr{qi,hi,si}3_1
1658 and *lshrdi3_1_rex64 using SWI mode iterator.
1659 (*lshrsi3_1_zext): Merge with *lshrsi3_1_one_bit_zext.
1660 (*lshrqi3_1_slp): Merge with *lshrqi3_1_one_bit_slp.
1661 (*lshr<mode>3_cmp): Merge with *lshr{qi,hi,si}3_one_bit_cmp and
1662 *lshrdi3_one_bit_cmp_rex64. Macroize insn from *lshr{qi,hi,si}3_cmp
1663 and *lshrdi3_cmp_rex64 using SWI mode iterator.
1664 (*lshrsi3_cmp_zext): Merge with *lshrsi3_cmp_one_bit_zext.
1665 (*lshr<mode>3_cconly): Merge with *lshr{qi,hi,si}3_one_bit_cconly and
1666 *lshrdi3_one_bit_cconly_rex64. Macroize insn from
1667 *lshr{qi,hi,si}3_cconly and *lshrdi3_cconly_rex64 using
1670 2010-04-10 Uros Bizjak <ubizjak@gmail.com>
1672 * config/i386/i386.md (ashr<mode>3): Macroize expander from
1673 ashr{qi,hi,si,di,ti}3_1 using SDWIM mode iterator.
1674 (*ashr<mode>3_doubleword): New insn_and_split_pattern. Macroize
1675 pattern from *ashr{di,ti}3_1 and corresponding splitters using
1677 (*ashr<mode>3_doubleword peephole2): Macroize peephole2 pattern
1678 from corresponding peephole2 patterns.
1679 (ashrdi3_cvt): Rename from ashrdi3_63_rex64.
1680 (ashrsi3_cvt): Rename from ashrsi3_31.
1681 (*ashrsi3_cvt_zext): Rename from *ashrsi3_31_zext.
1682 (x86_shift<mode>_adj_3): Macroize expander from x86_shift_adj_3
1683 and x86_64_shift_adj_3 using SWI48 mode iterator.
1684 (*ashr<mode>3_1): Merge with *ashr{qi,hi,si}3_1_one_bit and
1685 *ashrdi3_1_one_bit_rex64. Macroize insn from *ashr{qi,hi,si}3_1
1686 and *ashrdi3_1_rex64 using SWI mode iterator.
1687 (*ashrsi3_1_zext): Merge with *ashrsi3_1_one_bit_zext.
1688 (*ashrqi3_1_slp): Merge with *ashrqi3_1_one_bit_slp.
1689 (*ashr<mode>3_cmp): Merge with *ashr{qi,hi,si}3_one_bit_cmp and
1690 *ashrdi3_one_bit_cmp_rex64. Macroize insn from *ashr{qi,hi,si}3_cmp
1691 and *ashrdi3_cmp_rex64 using SWI mode iterator.
1692 (*ashrsi3_cmp_zext): Merge with *ashrsi3_cmp_one_bit_zext.
1693 (*ashr<mode>3_cconly): Merge with *ashr{qi,hi,si}3_one_bit_cconly and
1694 *ashrdi3_one_bit_cconly_rex64. Macroize insn from
1695 *ashr{qi,hi,si}3_cconly and *ashrdi3_cconly_rex64 using
1697 (sign_extend splitters): Update for renamed ashr{di,si}3_cvt patterns.
1698 * config/i386/i386.c (ix86_split_ashr): Update for renamed
1699 x86_shift<mode>_adj_3 expanders.
1701 2010-04-10 Wei Guozhi <carrot@google.com>
1704 * config/arm/arm.c (arm_pic_static_addr): New function.
1705 (legitimize_pic_address): Call arm_pic_static_addr when it detects
1707 (arm_output_addr_const_extra): Output expression for new pattern.
1708 * config/arm/arm.md (UNSPEC_SYMBOL_OFFSET): New unspec symbol.
1710 2010-04-10 Bernd Schmidt <bernds@codesourcery.com>
1712 * ira-costs.c (record_reg_classes): Ignore alternatives that are
1715 * Makefile.in (web.o): Depend on insn-config.h and $(RECOG_H).
1716 * web.c: Include "insn-config.h" and "recog.h".
1717 (union_match_dups): New function.
1718 (web_main): Call it.
1719 (union_defs): Don't try to recognize match_dups.
1721 * reload1.c (eliminate_regs_in_insn): Don't restore an operand
1722 if doing so would replace the entire pattern.
1724 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1728 * config/i386/i386.md (*ashl<mode>3_doubleword): Split to insn
1729 and splitter pattern. Change splitter operand 1 predicate to
1732 2010-04-09 Martin Jambor <mjambor@suse.cz>
1734 * ipa-cp.c (ipcp_lats_are_equal): Return true also if the two
1735 lattices are addresses of CONST_DECLs with the same initial value.
1736 (ipcp_print_all_lattices): Print values of CONST_DECLs.
1737 * ipa-prop.c (ipa_print_node_jump_functions): Likewise.
1739 2010-04-09 Eric Botcazou <ebotcazou@adacore.com>
1740 Bernd Schmidt <bernds@codesourcery.com>
1742 * loop-invariant.c (replace_uses): New static function.
1743 (move_invariant_reg): Use it to ensure we can replace the uses.
1745 2010-04-09 Hariharan Sandanagobalane <hariharan@picochip.com>
1747 * config/picochip/picochip.c (picochip_rtx_costs): Use correct
1749 (picochip_override_options): Enable section anchors only above -O1.
1750 (picochip_reorg): Fixed a couple of build warnings.
1752 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1754 * configure.ac (plugin -rdynamic test): Log result.
1755 * configure: Regenerate.
1756 * config/sol2.h (LINK_SPEC): Handle -rdynamic.
1757 (RDYNAMIC_SPEC): Define.
1758 * config/sol2-gld.h (RDYNAMIC_SPEC): Redefine.
1760 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1762 * configure.ac: Determine Sun ld version numbers.
1763 (comdat_group): Restrict GNU ld version checks to gld.
1764 (comdat_group, *-*-solaris2.1[1-9]*): Enable for Sun ld > 1.1688.
1765 (enable_comdat): Support --enable-comdat.
1766 * configure: Regenerate.
1767 * doc/install.texi (Configuration): Document --enable-comdat.
1769 2010-04-09 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1771 * config/sparc/sol2-gld.h: Remove SPARC reference. Rename ...
1772 * config/sol2-gld.h: ... here.
1773 * config.gcc (sparc*-*-solaris2*): Reflect this.
1774 (i[34567]86-*-solaris2*): Use it.
1776 2010-04-09 Steve Ellcey <sje@cup.hp.com>
1778 * config/ia64/ia64.c (ia64_dfa_new_cycle): Remove unused variable
1780 (final_emit_insn_group_barriers): Remove unused variable prev_insn.
1782 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1785 * diagnostic.c (diagnostic_initialize): Initialize
1786 some_warnings_are_errors.
1787 (diagnostic_finish): New.
1788 (diagnostic_action_after_output): Call it before exiting.
1789 (diagnostic_report_diagnostic): Do not print message here. Set
1790 some_warnings_are_errors.
1791 * diagnostic.h (diagnostic_context): Delete
1792 issue_warnings_are_errors_message. Add some_warnings_are_errors.
1793 (diagnostic_finish): Declare.
1794 * toplev.c (toplev_main): Call it before exit.
1796 2010-04-09 Jason Merrill <jason@redhat.com>
1799 * c-common.c (c_sizeof_or_alignof_type): Return error_mark_node
1800 for incomplete type.
1803 * stor-layout.c (finalize_record_size): Don't change TYPE_PACKED
1804 based on a warning flag.
1806 2010-04-09 Richard Guenther <rguenther@suse.de>
1808 * tree-pretty-print.c (dump_generic_node): Dump TYPE_VECTOR_SUBPARTS.
1810 2010-04-09 Iain Sandoe <iains@gcc.gnu.org>
1813 * varasm.c (default_assemble_visibility): Wrap vars that are
1814 set, but unused, by targets without GAS.
1815 * config/rs6000/rs6000.c: (paired_emit_vector_compare):
1816 Remove set, but unused, vars.
1817 (rs6000_legitimize_tls_address): Likewise.
1818 (altivec_expand_dst_builtin): Likewise.
1819 * config/darwin.c (machopic_classify_symbol): Likewise.
1820 (machopic_indirection_name): Likewise.
1822 2010-04-09 Uros Bizjak <ubizjak@gmail.com>
1824 * config/i386/i386.md (DWI): New mode iterator.
1825 (S): New mode attribute.
1826 (shift_operand): Ditto.
1827 (shift_immediate_operand): Ditto.
1828 (ashl_input_operand): Ditto.
1829 (ashl<mode>3): Macroize expander from ashl{qi,hi,si,di,ti}3_1
1830 using SDWIM mode iterator.
1831 (*ashl<mode>3_doubleword): New insn_and_split_pattern. Macroize
1832 pattern from *ashl{di,ti}3_1 and corresponding splitters using
1834 (*ashl<mode>3_doubleword peephole2): Macroize peephole2 pattern
1835 from corresponding peephole2 patterns.
1836 (x86_shift<mode>_adj_1): Macroize expander from x86_shift_adj_1
1837 and x86_64_shift_adj_1 using SWI48 mode iterator.
1838 (x86_shift<mode>_adj_2): Ditto.
1839 (*ashldi3_1_rex64): Split TYPE_LEA pattern.
1840 (*ashl<mode>3_1): Macroize insn from *ashlsi3_1 and *ashldi3_1_rex64
1841 using SWI48 mode iterator.
1842 (*ashl<mode>3_cmp): Macroize insn from *ashl{qi,hi,si}3_cmp and
1843 *ashldi3_cmp_rex64 using SWI mode iterator.
1844 (*ashl<mode>3_cconly): Macroize insn from *ashl{qi,hi,si}3_cconly and
1845 *ashldi3_cconly_rex64 using SWI mode iterator.
1846 * config/i386/i386.c (ix86_split_ashl): Update for renamed
1847 x86_shift<mode>_adj_{1,2}.
1848 (ix86_split_ashr): Ditto.
1849 (ix86_split_lshr): Ditto.
1851 2010-04-09 Richard Guenther <rguenther@suse.de>
1853 * target.h (builtin_conversion): Pass in input and output types.
1854 * targhooks.c (default_builtin_vectorized_conversion): Adjust.
1855 * targhooks.h (default_builtin_vectorized_conversion): Likewise.
1856 * tree-vect-stmts.c (vectorizable_conversion): Adjust.
1857 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Adjust.
1859 * config/i386/i386.c (ix86_vectorize_builtin_conversion): Adjust.
1861 * config/rs6000/rs6000.c (rs6000_builtin_conversion): Adjust.
1863 2010-04-09 Richard Guenther <rguenther@suse.de>
1866 * config/i386/sse.md (vcond<mode>): Handle AVX modes as well.
1868 2010-04-09 Richard Guenther <rguenther@suse.de>
1870 * tree-vectorizer.h (struct _stmt_vec_info): Document
1871 that vectype is the type of the LHS.
1872 (supportable_widening_operation, supportable_narrowing_operation):
1873 Get both input and output vector types as arguments.
1874 (vect_is_simple_use_1): Declare.
1875 (get_same_sized_vectype): Likewise.
1876 * tree-vect-loop.c (vect_determine_vectorization_factor):
1877 Set STMT_VINFO_VECTYPE to the vector type of the def.
1878 (vectorizable_reduction): Adjust.
1879 * tree-vect-patterns.c (vect_recog_widen_mult_pattern):
1880 Adjust. Specify the output vector type.
1881 (vect_pattern_recog_1): Adjust.
1882 * tree-vect-stmts.c (get_same_sized_vectype): New function.
1883 (vectorizable_call): Adjust.
1884 (vectorizable_conversion): Likewise.
1885 (vectorizable_operation): Likewise.
1886 (vectorizable_type_demotion): Likewise.
1887 (vectorizable_type_promotion): Likewise.
1888 (vect_analyze_stmt): Set STMT_VINFO_VECTYPE to the vector type of
1890 (vect_is_simple_use_1): New function.
1891 (supportable_widening_operation): Get both input and output
1893 (supportable_narrowing_operation): Likewise.
1894 * tree-vect-slp.c (vect_schedule_slp_instance): Adjust.
1896 2010-04-09 Kai Tietz <kai.tietz@onevision.com>
1898 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Add
1899 __thiscall and _thiscall as predefined macros.
1900 * config/i386/i386.c (ix86_handle_cconv_attribute): Add
1901 thiscall attribute handling.
1902 (ix86_comp_type_attributes): Likewise.
1903 (ix86_function_regparm): Likewise.
1904 (ix86_return_pops_args): Likewise.
1905 (init_cumulative_args): Likewise.
1906 (find_drap_reg): Likewise.
1907 (ix86_static_chain): Likewise.
1908 (x86_this_parameter): Likewise.
1909 (x86_output_mi_thunk): Likewise.
1910 (ix86_attribute_table): Add description for thiscall attribute.
1911 * config/i386/i386.h (ix86_args): Adjust comment for member fastcall.
1912 * doc/extend.texi: Add documentation for thiscall.
1914 2010-04-09 Manuel López-Ibáñez <manu@gcc.gnu.org>
1917 * c.opt (Wint-to-pointer-cast): Available in C++.
1918 * doc/invoke.texi (Wint-to-pointer-cast): Available in C++.
1920 2010-04-08 Eric Botcazou <ebotcazou@adacore.com>
1922 * tree.h (TREE_ADDRESSABLE): Document its effect for function types.
1923 * calls.c (expand_call): Pass the function type to aggregate_value_p.
1924 * function.c (aggregate_value_p): Do not honor DECL_BY_REFERENCE on
1925 the target function of a CALL_EXPR. Honor TREE_ADDRESSABLE on the
1926 function type instead. Reorder and simplify checks.
1928 * gimplify.c (gimplify_modify_expr_rhs) <WITH_SIZE_EXPR>: New case.
1930 2010-04-08 Jing Yu <jingyu@google.com>
1931 Zdenek Dvorak <ook@ucw.cz>
1933 PR tree-optimization/42720
1934 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Move one-time
1935 loop unswitch conditions here from ...
1936 (tree_unswitch_single_loop): ... here.
1938 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1940 * tree-if-conv.c: Fix comments and simplify logic.
1942 2010-04-08 Sebastian Pop <sebastian.pop@amd.com>
1944 * tree-if-conv.c (if_convertible_loop_p): Remove unused parameter.
1945 (tree_if_conversion): Same. Update call to if_convertible_loop_p.
1946 (main_tree_if_conversion): Update call to tree_if_conversion.
1948 2010-04-08 Manuel López-Ibáñez <manu@gcc.gnu.org>
1951 * doc/invoke.texi (-b,-V): Delete.
1952 * doc/tm.texi: Do not mention -b.
1953 * gcc.c (display_help): Delete -b and -V.
1954 (process_command): Delete -b and -V.
1955 * gcc.h (DEFAULT_SWITCH_TAKES_ARG): Delete -b and -V.
1957 2010-04-08 Christian Borntraeger <borntraeger@de.ibm.com>
1958 Wolfgang Gellerich <gellerich@de.ibm.com>
1960 Implement target hook for loop unrolling
1961 * target.h (loop_unroll_adjust): Add a new target hook function.
1962 * target-def.h (TARGET_LOOP_UNROLL_ADJUST): Likewise.
1963 * doc/tm.texi (TARGET_LOOP_UNROLL_ADJUST): Document it.
1964 * config/s390/s390.c (TARGET_LOOP_UNROLL_ADJUST): Define it.
1965 (s390_loop_unroll_adjust): Implement the new target hook for s390.
1966 * loop-unroll.c (decide_unroll_runtime_iterations): Call loop unroll
1968 (decide_unroll_stupid): Likewise.
1970 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1973 * config/i386/gmon-sol2.c [__x86_64__]: Properly restore %rcx.
1975 2010-04-08 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1977 * doc/install.texi (Specific, i?86-*-solaris2.10): Fix grammar.
1978 (Specific, *-*-solaris2*): Likewise.
1979 Don't prefer Sun as over GNU as.
1981 2010-04-08 Wolfgang Gellerich <gellerich@de.ibm.com>
1983 * config/s390/s390.c (override_options): Adjust the z10
1984 defaults for max-unroll-times, max-completely-peeled-insns
1985 and max-completely-peel-times.
1987 2010-04-08 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1989 * config/s390/s390.c (s390_expand_movmem): Issue prefetch
1990 instructions for z10.
1991 (s390_expand_setmem): Likewise.
1992 (s390_expand_cmpmem): Likewise.
1994 2010-04-08 Richard Guenther <rguenther@suse.de>
1996 PR tree-optimization/43679
1997 * tree-ssa-pre.c (eliminate): Only propagate copies.
1999 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2002 * expr.c (block_move_libcall_safe_for_call_parm): Avoid
2003 set but not used variable warning.
2005 2010-04-08 Wei Guozhi <carrot@google.com>
2008 * config/arm/arm.c (thumb1_size_rtx_costs): New function.
2009 (arm_size_rtx_costs): Call the new function when optimized for size.
2011 2010-04-08 Jakub Jelinek <jakub@redhat.com>
2014 * cfgexpand.c (expand_debug_expr): If for non-NULL offset
2015 op0 is not a MEM, just return NULL instead of assertion
2017 (discover_nonconstant_array_refs): Don't walk debug stmts.
2019 2010-04-08 Doug Kwan <dougkwan@google.com>
2021 * configure.ac: Recognize gold and do not use its version number
2022 to test ld features.
2023 * configure: Regenerate.
2025 2010-04-08 Maxim Kuvyrkov <maxim@codesourcery.com>
2028 * tree-ssa-reassoc.c (broken_up_substracts): Rename to plus_negates.
2029 (negate_value): Move code to push elements to broken_up_substracts ...
2030 (eliminate_plus_minus_pair): ... here. Push operands that have no
2031 negative pair to plus_negates.
2032 (repropagate_negates, init_reassoc, fini_reassoc): Update.
2034 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2036 * doc/install.texi (Configuration): Move description of
2037 --enable-lto, --with-libelf*, --enable-gold from Java section to
2040 * doc/generic.texi (Working with declarations)
2041 (Function Properties, C and C++ Trees): Fix typos.
2042 * doc/sourcebuild.texi (Top Level): Likewise.
2044 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2047 * tree.h (DECL_READ_P): Define.
2048 (struct tree_decl_common): Add decl_read_flag.
2049 * c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
2050 a set but not used warning.
2051 (merge_decls): Merge DECL_READ_P flag.
2052 (finish_decl, build_compound_literal): Set DECL_READ_P flag.
2053 (finish_function): Issue -Wunused-but-set-parameter diagnostics.
2054 * c-common.c (handle_used_attribute, handle_unused_attribute):
2056 * c-tree.h (default_function_array_read_conversion, mark_exp_read):
2058 * c-typeck.c (default_function_array_read_conversion, mark_exp_read):
2060 (default_conversion, c_process_expr_stmt): Call mark_exp_read.
2061 * c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
2062 c_parser_binary_expression, c_parser_cast_expression,
2063 c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
2064 Call default_function_array_read_conversion instead of
2065 default_function_array_conversion where needed.
2066 (c_parser_unary_expression, c_parser_conditional_expression,
2067 c_parser_postfix_expression_after_primary, c_parser_initelt):
2068 Likewise. Call mark_exp_read where needed.
2069 (c_parser_statement_after_labels, c_parser_asm_operands,
2070 c_parser_typeof_specifier, c_parser_sizeof_expression,
2071 c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
2073 * common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
2075 * toplev.c (warn_unused_but_set_variable): Default to warn_unused.
2076 (warn_unused_but_set_parameter): Default to warn_unused
2078 * doc/invoke.texi: Document -Wunused-but-set-variable and
2079 -Wunused-but-set-parameter.
2081 * tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
2082 used count variable.
2083 * genemit.c (gen_expand, gen_split): Avoid set but not used warnings
2084 when operandN variables aren't used in the body of the expander
2086 * tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
2087 FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
2088 * tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
2089 * tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
2090 FOR_EACH_IMM_USE_ON_STMT): Likewise.
2091 * tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
2092 * tree.c (PROCESS_ARG): Likewise.
2094 2010-04-07 Simon Baldwin <simonb@google.com>
2096 * diagnostic.h (diagnostic_override_option_index): New macro to
2097 set a diagnostic's option_index.
2098 * c-tree.h (c_cpp_error): Add warning reason argument.
2099 * opts.c (_warning_as_error_callback): New.
2100 (register_warning_as_error_callback): Store callback for
2101 warnings enabled via enable_warning_as_error.
2102 (enable_warning_as_error): Call callback, minor code tidy.
2103 * opts.h (register_warning_as_error_callback): Declare.
2104 * c-opts.c (warning_as_error_callback): New, set cpp_opts flag in
2105 response to -Werror=.
2106 (c_common_init_options): Register warning_as_error_callback in opts.c.
2107 * common.opt: Add -Wno-cpp option.
2108 * c-common.c (struct reason_option_codes_t): Map cpp warning
2109 reason codes to gcc option indexes.
2110 * (c_option_controlling_cpp_error): New function, lookup the gcc
2111 option index for a cpp warning reason code.
2112 * (c_cpp_error): Add warning reason argument, call
2113 c_option_controlling_cpp_error for diagnostic_override_option_index.
2114 * doc/invoke.texi: Document -Wno-cpp.
2116 2010-04-07 Richard Guenther <rguenther@suse.de>
2118 * ipa-reference.c (mark_load): Use get_base_address.
2119 (mark_store): Likewise.
2121 * tree-ssa-ccp.c (gimplify_and_update_call_from_tree): Avoid
2122 inserting GIMPLE_NOPs into the IL.
2123 * tree-ssa-structalias.c (get_constraint_for_component_ref):
2124 Explicitly strip handled components and indirect references.
2126 * fold-const.c (fold_unary_loc): Do not strip qualifiers when
2127 folding address expressions.
2128 * gimple.c (gimple_ior_addresses_taken_1): Use get_base_address.
2129 * tree-ssa-alias.c (decl_refs_may_alias_p): Do not use
2130 operand_equal_p to compare decls.
2131 (ptr_deref_may_alias_decl_p): Likewise.
2132 * tree-ssa-operands.c (get_asm_expr_operands): Simplify
2133 * tree-ssa-forwprop.c (forward_propagate_into_gimple_cond):
2134 Handle reversed comparison ops.
2135 * tree-sra.c (asm_visit_addr): Use get_base_address.
2136 * ipa-prop.c (visit_store_addr_for_mod_analysis): Use get_base_address.
2137 * ipa-reference.c (mark_address): Use get_base_address.
2139 2010-04-07 Richard Guenther <rguenther@suse.de>
2141 * tree-ssa-forwprop.c (forward_propagate_addr_expr):
2142 Propagate constants everywhere.
2144 2010-04-07 Jakub Jelinek <jakub@redhat.com>
2147 * tree.c (MAX_INT_CACHED_PREC): Define.
2148 (nonstandard_integer_type_cache): New array.
2149 (build_nonstandard_integer_type): Cache results for precision
2150 <= MAX_INT_CACHED_PREC.
2152 2010-04-07 Richard Guenther <rguenther@suse.de>
2154 * doc/invoke.texi (-fargument-alias, -fargument-noalias,
2155 -fargument-noalias-global, -fargument-noalias-anything): Remove.
2156 * common.opt: Likewise.
2157 * tree-ssa-structalias.c (intra_create_variable_infos): Adjust comment.
2158 * alias.c (base_alias_check): Remove flag_argument_noalias handling.
2159 (nonoverlapping_memrefs_p): Likewise.
2160 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
2161 * opts.c (common_handle_option): Handle OPT_fargument_alias,
2162 OPT_fargument_noalias, OPT_fargument_noalias_anything and
2163 OPT_fargument_noalias_global for backward compatibility.
2165 2010-04-07 Richard Guenther <rguenther@suse.de>
2167 PR tree-optimization/43270
2168 * tree-vrp.c (check_array_ref): Fix flexible array member detection.
2169 * tree-ssa-sccvn.h (fully_constant_vn_reference_p): Declare.
2170 * tree-ssa-pre.c (phi_translate_1): Adjust.
2171 (fully_constant_expression): Split out vn_reference handling to ...
2172 * tree-ssa-sccvn.c (fully_constant_vn_reference_p): ... here.
2173 Fold reads from constant strings.
2174 (vn_reference_lookup): Handle fully constant references.
2175 (vn_reference_lookup_pieces): Likewise.
2176 * Makefile.in (expmed.o-warn): Add -Wno-error.
2178 2010-04-07 Martin Jambor <mjambor@suse.cz>
2180 * tree-sra.c (find_param_candidates): Allow scalar va_list types.
2182 2010-04-07 Iain Sandoe <iains@gcc.gnu.org>
2185 * gcc.c: Add -static-libstdc++ to list of recognized options.
2187 2010-04-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2189 * config.gcc (i[34567]86-*-solaris2*): Default with_tune_32 to generic.
2191 2010-04-07 Richard Guenther <rguenther@suse.de>
2194 * expr.c (expand_expr_real_1): For TARGET_MEM_REFs with pointer
2195 bases build simple mem attributes to retain points-to information.
2197 2010-04-07 Richard Guenther <rguenther@suse.de>
2200 * alias.c (ao_ref_from_mem): Without MEM_OFFSET or MEM_SIZE
2201 preserve points-to related information.
2203 2010-04-07 Richard Guenther <rguenther@suse.de>
2206 * emit-rtl.c (set_mem_attributes_minus_bitpos): Do not
2207 discard plain indirect references.
2208 * fold-const.c (operand_equal_p): Guard against NULL_TREE type.
2209 * tree.c (tree_nop_conversion): Likewise.
2211 2010-04-07 Dodji Seketeli <dodji@redhat.com>
2214 * dwarf2out.c (modified_type_die): Ignore artificial typedefs.
2216 2010-04-06 Kai Tietz <kai.tietz@onevision.com>
2218 * config/i386/i386.c (ix86_handle_cconv_attribute): Ignore
2219 calling convention attributes on METHOD_TYPEs for w64 ABI, too.
2221 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2223 * tree-if-conv.c: Fix indentation and comments.
2225 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2227 * tree-if-conv.c: Sort static functions in topological order.
2229 2010-04-07 Sebastian Pop <sebastian.pop@amd.com>
2231 * tree-if-conv.c: Fix indentation and comments.
2233 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2236 * graphite-clast-to-gimple.c (max_signed_precision_type): Use
2237 lang_hooks.types.type_for_size instead of
2238 build_nonstandard_integer_type.
2239 When converting an unsigned type to signed, double its precision.
2240 (gcc_type_for_interval): Use lang_hooks.types.type_for_size.
2241 (gcc_type_for_iv_of_clast_loop): Call max_signed_precision_type.
2242 (graphite_create_new_loop_guard): When ub + 1 wraps around,
2245 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2248 * graphite-clast-to-gimple.c (graphite_create_new_loop_guard): Use
2249 POINTER_PLUS_EXPR for pointer types.
2251 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2254 * Makefile.in (graphite-clast-to-gimple.o): Depends on langhooks.h.
2255 * graphite-clast-to-gimple.c: Include langhooks.h.
2256 (max_signed_precision_type): New.
2257 (max_precision_type): Takes two types as arguments.
2258 (precision_for_value): New.
2259 (precision_for_interval): New.
2260 (gcc_type_for_interval): New.
2261 (gcc_type_for_value): New.
2262 (gcc_type_for_clast_term): New.
2263 (gcc_type_for_clast_red): New.
2264 (gcc_type_for_clast_bin): New.
2265 (gcc_type_for_clast_expr): Split up into several functions.
2266 (gcc_type_for_clast_eq): Rewritten.
2267 (compute_bounds_for_level): New.
2268 (compute_type_for_level_1): New.
2269 (compute_type_for_level): New.
2270 (gcc_type_for_cloog_iv): Removed.
2271 (gcc_type_for_iv_of_clast_loop): Rewritten.
2272 (graphite_create_new_loop): Compute the lower and upper bound types
2273 with gcc_type_for_clast_expr.
2274 (graphite_create_new_loop_guard): Same.
2275 (find_cloog_iv_in_expr): Removed.
2276 (compute_cloog_iv_types_1): Removed.
2277 (compute_cloog_iv_types): Removed.
2278 (gloog): Do not call compute_cloog_iv_types.
2279 * graphite-sese-to-poly.c (new_gimple_bb): Do not initialize
2281 (free_data_refs_aux): Do not free GBB_CLOOG_IV_TYPES.
2282 * sese.h (struct gimple_bb): Removed field cloog_iv_types.
2283 (GBB_CLOOG_IV_TYPES): Removed.
2285 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2287 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Assert that
2288 gimple_phi_num_args of the loop close SSA phi node is equal to 1.
2289 (detect_commutative_reduction): Same.
2291 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2293 * graphite-clast-to-gimple.c (graphite_verify): Remove redundant
2294 call to verify_ssa. Invoke verify_loop_closed_ssa with an extra
2296 * graphite-scop-detection.c (canonicalize_loop_closed_ssa_form): Same.
2297 * graphite-sese-to-poly.c (rewrite_reductions_out_of_ssa): Same.
2298 (rewrite_commutative_reductions_out_of_ssa): Same.
2299 * passes.c (execute_function_todo): Call verify_ssa for every pass
2300 in the LNO. Invoke verify_loop_closed_ssa with an extra argument.
2301 * tree-flow.h (verify_loop_closed_ssa): Update declaration.
2302 * tree-parloops.c (parallelize_loops): Invoke verify_loop_closed_ssa
2303 with an extra argument.
2304 * tree-ssa-loop-manip.c (check_loop_closed_ssa_stmt): Same. Call
2305 verify_ssa only when the extra argument is true.
2306 (gimple_duplicate_loop_to_header_edge): Invoke verify_loop_closed_ssa
2307 with an extra argument.
2308 (tree_transform_and_unroll_loop): Same.
2310 2010-04-06 Sebastian Pop <sebastian.pop@amd.com>
2312 * passes.c (execute_function_todo): Call verify_loop_closed_ssa
2313 for all the passes of the LNO having LOOP_CLOSED_SSA.
2314 * tree-if-conv.c (pass_if_conversion): Remove TODO_verify_loops.
2315 * tree-loop-distribution.c (pass_loop_distribution): Same.
2316 * tree-pass.h (TODO_verify_loops): Removed.
2317 * tree-ssa-loop.c (pass_tree_loop_init): Same.
2319 (pass_tree_unswitch): Same.
2320 (pass_predcom): Same.
2321 (pass_vectorize): Same.
2322 (pass_linear_transform): Same.
2323 (pass_graphite_transforms): Same.
2324 (pass_iv_canon): Same.
2325 (pass_complete_unroll): Same.
2326 (pass_complete_unrolli): Same.
2327 (pass_parallelize_loops): Same.
2328 (pass_loop_prefetch): Same.
2329 (pass_iv_optimize): Same.
2331 2010-04-06 Changpeng Fang <changpeng.fang@amd.com>
2334 * passes.c (init_optimization_passes): Move pass_lim before
2335 pass_copy_prop and pass_dce_loop.
2337 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2340 * config/i386/i386.c (bdesc_multi_arg): Use OPTION_MASK_ISA_XOP
2341 instead of OPTION_MASK_ISA_AVX for __builtin_ia32_vpermil2p*.
2342 (ix86_expand_args_builtin): Use V*_FTYPE_* enum codes instead of
2343 MULTI_* defines for 4 argument vpermil2p* builtins.
2345 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2347 * config/i386/i386-protos.h (x86_maybe_negate_const_int): Declare.
2348 * config/i386/i386.c (x86_maybe_negate_const_int): New.
2349 (x86_output_mi_thunk): Use x86_maybe_negate_const_int.
2350 * config/i386/i386.md (*add<mode>_1, *addsi_1_zext, *addhi_1,
2351 *addhi_1_lea, *addqi_1, *addqi_1_lea, *addqi_1_slp, *add<mode>_2,
2352 *addsi_2_zext, *addhi_2, *addqi_2, *add<mode>_3, *addsi_3_zext,
2353 *addhi_3, *addqi_3,*add<mode>_5, *addhi_5, *addqi_5):
2354 Use x86_maybe_negate_const_int to output insn mnemonic.
2355 (*adddi_4, *addsi_4, *addhi_4, *addqi_4): Ditto. Remove overflow
2356 check from instruction predicate. Update comments.
2357 * config/i386/sync.md (sync_add<mode>): Use
2358 x86_maybe_negate_const_int to output insn mnemonic.
2360 2010-04-06 Jan Hubicka <jh@suse.cz>
2362 PR tree-optimization/42906
2363 * tree-ssa-dce.c (mark_control_dependent_edges_necessary): Add
2364 IGNORE_SELF argument. Set visited_control_parents for fully
2366 (find_obviously_necessary_stmts): Update call of
2367 mark_control_dependent_edges_necessary.
2368 (propagate_necessity): Likewise. Handle PHI edges more curefully.
2370 2010-04-06 Uros Bizjak <ubizjak@gmail.com>
2372 * config/i386/i386.md: Remove comment about 'e' and 'E'
2375 2010-04-06 Richard Guenther <rguenther@suse.de>
2377 PR tree-optimization/43627
2378 * tree-vrp.c (extract_range_from_unary_expr): Widenings
2379 of [1, +INF(OVF)] go to [1, +INF(OVF)] of the wider type,
2382 2010-04-06 Jakub Jelinek <jakub@redhat.com>
2384 * BASE-VER: Change to 4.6.0.
2387 * config/i386/i386.c (print_operand): Remove 'e' and 'E' code
2390 2010-04-06 Richard Guenther <rguenther@suse.de>
2393 * fold-const.c (fold_comparison): Handle X * 0 CMP 0.
2395 2010-04-05 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2397 * doc/invoke.texi (Optimize Options): Document that LTO
2398 won't remove object access purely due to incompatible
2401 2010-04-04 Matthias Klose <doko@ubuntu.com>
2403 * graphite-sese-to-poly.c (translate_scalar_reduction_to_array):
2404 Initialize variable.
2406 2010-04-03 Richard Guenther <rguenther@suse.de>
2409 * alias.c (nonoverlapping_memrefs_p): For spill-slot accesses
2410 require a non-NULL MEM_OFFSET.
2412 2010-04-02 Steven Bosscher <steven@gcc.gnu.org>
2414 * ada/gcc-interface/Make-lang.in, alias.c, attribs.c, auto-inc-dec.c,
2415 basic-block.h, bb-reorder.c, calls.c, c-common.c, cgraph.h,
2416 collect2.h, config/alpha/alpha.c, config/alpha/alpha.md,
2417 config/alpha/predicates.md, config/arm/arm.md,
2418 config/arm/lib1funcs.asm, config/arm/neon-schedgen.ml,
2419 config/avr/avr.c, config/avr/avr.md, config/bfin/bfin.c,
2420 config/darwin9.h, config/darwin.c, config/darwin.h,
2421 config/h8300/h8300.c, config/i386/cpuid.h, config/i386/cygming.h,
2422 config/i386/cygwin.h, config/i386/mingw32.h, config/i386/msformat-c.c,
2423 config/i386/sol2-10.h, config/i386/xopintrin.h, config/ia64/ia64.c,
2424 config/ia64/ia64.md, config/ia64/sync.md, config/mep/mep.c,
2425 config/mips/mips.md, config/mn10300/mn10300.c,
2426 config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.md,
2427 config/rs6000/aix.h, config/rs6000/dfp.md,
2428 config/rs6000/rs6000-builtin.def, config/rs6000/rs6000-c.c,
2429 config/rs6000/vector.md, config/rtems.h, config/rx/rx.md,
2430 config/s390/s390.md, config/sol2-c.c, config/sparc/sol2-bi.h,
2431 config/sparc/sol2-gas.h, config/sparc/sparc.h, config/sparc/sparc.md,
2432 config/sparc/sparc-protos.h, config/spu/spu.c, config/spu/spu-c.c,
2433 config/t-darwin, convert.c, c.opt, c-opts.c, cp/Make-lang.in,
2434 c-pretty-print.c, c-typeck.c, df-core.c, df-scan.c, diagnostic.c,
2435 diagnostic.h, doc/cppopts.texi, doc/cpp.texi, doc/extend.texi,
2436 doc/gimple.texi, doc/languages.texi, doc/plugins.texi, doc/rtl.texi,
2437 doc/standards.texi, doc/tree-ssa.texi, doc/trouble.texi, dominance.c,
2438 fold-const.c, fortran/Make-lang.in, fwprop.c, gcc-plugin.h,
2439 gensupport.c, gimple.h, gimple-iterator.c, graphite.c,
2440 graphite-clast-to-gimple.c, graphite-clast-to-gimple.h,
2441 graphite-dependences.c, graphite-poly.c, graphite-poly.h,
2442 graphite-ppl.c, graphite-ppl.h, graphite-scop-detection.c,
2443 graphite-sese-to-poly.c, graphite-sese-to-poly.h, ifcvt.c, intl.c,
2444 intl.h, ipa.c, ipa-cp.c, ipa-inline.c, ipa-prop.c, ipa-prop.h,
2445 ipa-pure-const.c, ipa-reference.c, ipa-type-escape.c, ira-color.c,
2446 ira-conflicts.c, ira-lives.c, java/Make-lang.in, lambda-code.c,
2447 loop-invariant.c, lto/Make-lang.in, lto-streamer.h, lto-streamer-in.c,
2448 objc/Make-lang.in, objcp/Make-lang.in, omp-low.c, optc-gen.awk,
2449 opt-functions.awk, opth-gen.awk, params.def, passes.c,
2450 postreload-gcse.c, print-tree.c, recog.c, regrename.c, reload.h,
2451 rtl.def, sched-int.h, sched-rgn.c, sel-sched-dump.c, sese.c, sese.h,
2452 store-motion.c, stor-layout.c, tree-cfgcleanup.c, tree-chrec.c,
2453 tree-complex.c, tree-data-ref.c, tree.def, tree-eh.c, tree-flow.h,
2454 tree-flow-inline.h, tree.h, tree-loop-distribution.c, tree-outof-ssa.c,
2455 tree-parloops.c, tree-pass.h, tree-predcom.c, tree-profile.c,
2456 tree-scalar-evolution.c, tree-ssa-address.c, tree-ssa-alias.c,
2457 tree-ssa-coalesce.c, tree-ssa-copy.c, tree-ssa-dce.c, tree-ssa-dom.c,
2458 tree-ssa-dse.c, tree-ssa-loop-im.c, tree-ssa-loop-ivcanon.c,
2459 tree-ssa-loop-manip.c, tree-ssa-math-opts.c, tree-ssa-operands.c,
2460 tree-ssa-pre.c, tree-ssa-sccvn.c, tree-ssa-structalias.c,
2461 tree-ssa-uncprop.c, tree-tailcall.c, tree-vect-data-refs.c,
2462 tree-vect-loop.c, tree-vectorizer.h, tree-vect-slp.c, tree-vrp.c,
2463 unwind-dw2-fde-darwin.c, varpool.c: Update copyright years.
2465 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2468 * doc/install.texi (Prerequisites): Bump Automake version to 1.11.1.
2469 * aclocal.m4: Regenerate.
2471 2010-04-02 Richard Guenther <rguenther@suse.de>
2473 PR tree-optimization/43629
2474 * tree-ssa-ccp.c (likely_value): Reset all_undefined_operands
2475 if we have seen a constant value.
2477 2010-04-02 Joseph Myers <joseph@codesourcery.com>
2479 * read-rtl.c (read_rtx_1): Give an error for EOF while looking for ']'.
2481 2010-04-02 Richard Earnshaw <rearnsha@arm.com>
2484 * arm.c (legitimize_tls_address): Adjust call to
2485 gen_tls_load_dot_plus_four.
2486 (arm_note_pic_base): New function.
2487 (arm_cannot_copy_insn_p): Use it.
2488 * thumb2.md (tls_load_dot_plus_four): Rework to avoid use of '+' in
2491 2010-04-02 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2496 2009-09-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
2498 * Makefile.in ($(out_object_file)): Depend on
2499 gt-$(basename $(notdir $(out_file))).h.
2501 2010-04-01 Ralf Corsépius <ralf.corsepius@rtems.org>
2503 * config.gcc (lm32-*-rtems*): Add t-lm32.
2505 2010-04-01 Joel Sherrill <joel.sherrill@oarcorp.com>
2507 * config.gcc: Add lm32-*-rtems*.
2508 * config/lm32/rtems.h: New file.
2510 2010-04-01 Dave Korn <dave.korn.cygwin@gmail.com>
2513 * config/i386/cygwin.h (CXX_WRAP_SPEC): Disable spec when -mno-cygwin.
2515 2010-04-01 Jakub Jelinek <jakub@redhat.com>
2517 * dwarf2out.c (output_compilation_unit_header): For
2518 -gdwarf-4 use version 4 instead of version 3.
2519 (output_line_info): For version 4 and above emit additional
2520 maximum ops per insn header field.
2521 (DWARF_LINE_DEFAULT_MAX_OPS_PER_INSN): Define.
2523 * dwarf2out.c (is_c_family, is_java): Remove.
2524 (lower_bound_default): New function.
2525 (add_bound_info, gen_descr_array_type_die): Use it.
2527 2010-04-01 Dodji Seketeli <dodji@redhat.com>
2530 * dwarf2out.c (gen_variable_die): Allow debug info for variable
2531 re-declaration when it happens in a function.
2533 2010-04-01 Aldy Hernandez <aldyh@redhat.com>
2535 * cgraph.c (cgraph_add_function_insertion_hook): Update comment.
2536 (cgraph_remove_function_insertion_hook): Same.
2537 (cgraph_call_function_insertion_hooks): Same.
2539 2010-04-01 Richard Guenther <rguenther@suse.de>
2542 * tree-ssa-address.c (copy_mem_ref_info): Copy TREE_SIDE_EFFECTS
2543 and TREE_THIS_VOLATILE.
2544 (copy_ref_info): Likewise.
2545 * tree-ssa-operands.c (get_tmr_operands): Check TREE_THIS_VOLATILE.
2546 * tree.c (build6_stat): Ignore side-effects of all but arg5
2547 for TARGET_MEM_REF. Set TREE_THIS_VOLATILE from arg5 of
2550 2010-04-01 Richard Guenther <rguenther@suse.de>
2552 PR tree-optimization/43607
2553 * ipa-type-escape.c (check_call): Do not access non-existing
2556 2010-04-01 Richard Guenther <rguenther@suse.de>
2560 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2561 Jack Howarth <howarth@bromo.med.uc.edu>
2563 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2566 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2568 * doc/install.texi (Prerequisites): Document libelf usability on
2569 IRIX 5/6 and Solaris 2.
2570 (Specific, i?86-*-solaris2.10): No 64-bit default configuration.
2571 Update GNU as, GNU ld requirements.
2572 (Specific, *-*-solaris2*): Document Solaris 7 obsoletion, removal.
2573 Document Sun Studio compiler download.
2574 Update and simplify as, ld recommendations.
2575 (Specific, *-*-solaris2.7): Note obsoletion, removal.
2577 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2579 * config.gcc (i[34567]86-*-solaris2*): Default with_arch_32,
2580 with_tune_32 to pentium4.
2582 2010-04-01 Uros Bizjak <ubizjak@gmail.com>
2584 * config/i386/cpuid.h (__get_cpuid_max): Move misplaced comment.
2586 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2588 * doc/install.texi (Specific, mips-sgi-irix5): Document IRIX 5
2589 obsoletion, removal.
2591 Document GNU as requirement.
2592 Update configure requirements.
2593 (Specific, mips-sgi-irix6): Document IRIX 6 < 6.5 obsoletion, removal.
2594 Recomment IRIX 6.5.18+.
2595 Document IDF/IDL requirement.
2596 Document GNU as requirement.
2597 Document GNU ld bootstrap failure.
2598 Remove freeware.sgi.com reference.
2600 2010-04-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2602 * doc/install.texi (Specific, alpha*-dec-osf*): Document Tru64
2603 UNIX V4.0, V5.0 obsoletion, removal.
2604 Remove --with-gc=simple reference.
2605 Update VM requirements during bootstrap.
2606 Remove -oldas bootstrap description.
2607 Update binutils reference.
2608 Remove comparison failure note.
2610 2010-03-31 Richard Guenther <rguenther@suse.de>
2611 Zdenek Dvorak <ook@ucw.cz>
2612 Sebastian Pop <sebastian.pop@amd.com>
2615 * tree-ssa-copy.c (init_copy_prop): Handle loop close phi nodes
2616 with multiple arguments.
2617 (execute_copy_prop): Remove call to rewrite_into_loop_closed_ssa.
2619 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2621 * graphite-dependences.c (print_pddr): Call print_pdr with an
2623 * graphite-poly.c (debug_pdr): Add an extra argument for the
2626 (print_pbb_domain): Same.
2628 (print_scop_context): Same.
2630 (print_cloog): Same.
2631 (debug_pbb_domain): Same.
2635 (debug_scop_context): Same.
2637 (debug_cloog): Same.
2638 (print_scop_params): Same.
2639 (debug_scop_params): Same.
2640 (print_iteration_domain): Same.
2641 (print_iteration_domains): Same.
2642 (debug_iteration_domain): Same.
2643 (debug_iteration_domains): Same.
2644 (print_scattering_function): Same.
2645 (print_scattering_functions): Same.
2646 (debug_scattering_function): Same.
2647 (debug_scattering_functions): Same.
2648 * graphite-poly.h (debug_pdr): Update declaration.
2650 (print_pbb_domain): Same.
2652 (print_scop_context): Same.
2654 (print_cloog): Same.
2655 (debug_pbb_domain): Same.
2659 (debug_scop_context): Same.
2661 (debug_cloog): Same.
2662 (print_scop_params): Same.
2663 (debug_scop_params): Same.
2664 (print_iteration_domain): Same.
2665 (print_iteration_domains): Same.
2666 (debug_iteration_domain): Same.
2667 (debug_iteration_domains): Same.
2668 (print_scattering_function): Same.
2669 (print_scattering_functions): Same.
2670 (debug_scattering_function): Same.
2671 (debug_scattering_functions): Same.
2673 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2675 * graphite-poly.c (print_scattering_function_1): New.
2676 (print_scattering_function): Call it.
2677 (print_scop_params): Remove spaces at the end of lines.
2680 * graphite-poly.h (print_cloog): Declared.
2681 (debug_cloog): Declared.
2683 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2685 * graphite-sese-to-poly.c (graphite_loop_normal_form): Add the IV bump
2687 * tree-flow.h (canonicalize_loop_ivs): Updated declaration.
2688 * tree-parloops.c (gen_parallel_loop): Add the IV bump in loop->latch.
2689 * tree-ssa-loop-manip.c (canonicalize_loop_ivs): Add a new parameter
2690 to switch between adding the IV bump in loop->latch or in loop->header.
2692 2010-03-31 Sebastian Pop <sebastian.pop@amd.com>
2694 * graphite-poly.c (print_scattering_function): Pretty print following
2697 (print_pbb_domain): Same.
2698 (dump_gbb_cases): Same.
2699 (dump_gbb_conditions): Same.
2702 (print_scop_params): Same.
2703 (print_scop_context): Same.
2705 (print_pbb_body): New.
2706 (lst_indent_to): New.
2707 (print_lst): Start new lines with a #.
2708 * graphite-poly.h (pbb_bb): New.
2709 (pbb_index): Use pbb_bb.
2710 * graphite-ppl.c (ppl_print_powerset_matrix): Print the number of
2712 * tree-data-ref.c (dump_data_reference): Start new lines with a #.
2714 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2716 * dwarf2out.c (size_of_die): For -gdwarf-4 use
2717 uleb128 size instead of fixed 1 or 2 for dw_val_class_loc
2718 and 0 instead of 1 for dw_val_class_flag.
2719 (value_format): For -gdwarf-4 use DW_FORM_sec_offset for
2720 dw_val_class_range_list, dw_val_class_loc_list,
2721 dw_val_class_lineptr and dw_val_class_macptr, use
2722 DW_FORM_flag_present for dw_val_class_flag and
2723 DW_FORM_exprloc for dw_val_class_loc.
2724 (output_die): For -gdwarf-4 print dw_val_class_loc
2725 size as uleb128 instead of 1 or 2 bytes and don't print
2726 anything for dw_val_class_flag.
2728 * var-tracking.c (vt_init_cfa_base): Use cselib_lookup_from_insn
2729 instead of cselib_lookup following by tweaking locs->setting_insn.
2732 * cselib.c (cselib_process_insn): Clear cselib_current_insn
2733 even before returning from label, setjmp call or volatile asm
2736 2010-03-31 Richard Guenther <rguenther@suse.de>
2739 * cgraphunit.c (cgraph_output_in_order): Do not allocate
2740 temporary data on stack.
2742 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2744 * config/sparc/sysv4.h (PUSHSECTION_FORMAT): Remove undef.
2745 (PUSHSECTION_ASM_OP): Remove.
2746 (POPSECTION_ASM_OP): Remove.
2747 (PUSHSECTION_FORMAT): Remove.
2748 * config/sol2.h (PUSHSECTION_FORMAT): Define.
2749 * config/sparc/sol2.h [!USE_GAS] (PUSHSECTION_FORMAT): Redefine.
2750 * config/sol2.c (solaris_output_init_fini): Use it.
2752 2010-03-31 Jie Zhang <jie@codesourcery.com>
2755 * opt-functions.awk (var_type_struct): Use signed char type
2756 for simple variables.
2758 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2760 * config/sol2.c: Include output.h.
2761 (solaris_assemble_visibility): New function.
2762 * config/t-sol2 (sol2.o): Add output.h dependency.
2763 * config/sol2-protos.h (solaris_assemble_visibility): Declare.
2764 * config/sol2.h [!USE_GAS] (TARGET_ASM_ASSEMBLE_VISIBILITY):
2767 2010-03-31 Jakub Jelinek <jakub@redhat.com>
2770 * config/arm/arm.c (arm_save_coproc_regs): Use Pmode instead of
2771 V2SImode or XFmode on PRE_DEC.
2774 * cfgexpand.c (expand_debug_expr): Handle VOIDmode mode like
2777 2010-03-31 Jie Zhang <jie@codesourcery.com>
2780 * reload.h (caller_save_initialized_p): Declare.
2781 * toplev.c (backend_init_target): Don't call
2782 init_caller_save but set caller_save_initialized_p to false.
2783 * caller-save.c (caller_save_initialized_p): Define.
2784 (init_caller_save): Check caller_save_initialized_p.
2785 * ira.c (ira): Call init_caller_save if flag_caller_saves.
2787 2010-03-31 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
2790 * config.gcc (i[34567]86-*-solaris2*): Add i386/t-fprules-softfp
2791 and soft-fp/t-softfp to tmake_file.
2792 * config/i386/sol2.h (LIBGCC2_HAS_TF_MODE): Redefine.
2793 (LIBGCC2_TF_CEXT): Define.
2796 2010-03-30 Alexandre Oliva <aoliva@redhat.com>
2799 * cselib.c (n_useless_values): Document handling of debug locs.
2800 (n_useless_debug_values, n_debug_values): New variables.
2801 (new_elt_loc_list): Don't add to debug values, keep count.
2802 (promote_debug_loc): New.
2803 (cselib_reset_table): Zero new variables.
2804 (entry_and_rtx_equal_p): Promote debug locs.
2805 (discard_useless_locs): Increment n_useless_debug_values for
2807 (remove_useless_values): Adjust n_useless_values and n_debug_values
2808 with n_useless_debug_values.
2809 (add_mem_for_addr): Promote debug locs.
2810 (cselib_lookup_mem): Likewise.
2811 (cselib_lookup_addr): Renamed to...
2812 (cselib_lookup_addr_1): ... this. Promote debug locs. Don't call...
2813 (cselib_log_lookup): ... this. Turn into...
2814 (cselib_lookup_addr): ... new wrapper.
2815 (cselib_lookup_from_insn): New.
2816 (cselib_invalidate_regno): Increment n_useless_debug_values for
2818 (cselib_invalidate_mem): Likewise.
2819 (cselib_process_insn): Take n_deleted and n_debug_values into
2820 account to guard remove_useless_value call.
2821 (cselib_finish): Zero n_useless_debug_values.
2822 * cselib.h (cselib_lookup_from_insn): Declare.
2823 * sched-deps.c (sched_analyze_1): Use cselib_lookup_from_insn.
2824 (sched_analyze_2): Likewise.
2826 2010-03-30 Jakub Jelinek <jakub@redhat.com>
2828 * var-tracking.c (use_narrower_mode_test, use_narrower_mode): New
2830 (adjust_mems): Replace narrowing SUBREG of expression containing
2831 just PLUS, MINUS, MULT and ASHIFT of registers and constants
2832 with operations in the narrower mode.
2835 * var-tracking.c (dataflow_set_clear_at_call): Invalidate just
2836 regs_invalidated_by_call instead all call_used_reg_set registers.
2838 2010-03-30 Sebastian Pop <sebastian.pop@amd.com>
2841 * tree-vect-slp.c (vect_get_and_check_slp_defs): Replace type
2842 pointer comparisons with types_compatible_p.
2843 * tree-vect-stmts.c (vectorizable_call): Same.
2844 (vectorizable_condition): Same.
2846 2010-03-30 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2848 * config/s390/s390.c (s390_emit_prologue): Omit issuing a dynamic
2849 stack check if the mask would be zero.
2851 2010-03-30 Seongbae Park <seongbae.park@gmail.com>
2852 Jack Howarth <howarth@bromo.med.uc.edu>
2854 * tree-profile.c (tree_init_ic_make_global_vars): Make static
2857 2010-03-30 Joseph Myers <joseph@codesourcery.com>
2860 * libgcc-std.ver (GCC_4.5.0): Define version. Include __unordxf2
2862 * config/bfin/libgcc-bfin.ver (GCC_4.5.0): Define version.
2863 Include ___unordxf2 and ___unordtf2.
2864 * config/i386/libgcc-glibc.ver: Do not define inheritance from
2867 2010-03-30 Tarik Graba <tarik.graba@telecom-paristech.fr>
2869 * config/lm32/t-lm32: New file.
2870 * config.gcc: Use the above file when targetting lm32.
2872 2010-03-28 Duncan Sands <baldrick@free.fr>
2874 * Makefile.in (PLUGIN_HEADERS): Add except.h.
2876 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2879 * tree-vect-loop.c (vect_estimate_min_profitable_iters):
2880 Improve vectorization cost model diagnostic.
2882 2010-03-29 Sebastian Pop <sebastian.pop@amd.com>
2885 * tree-vect-data-refs.c (vect_analyze_data_refs): When
2886 compute_data_dependences_for_loop returns false, early exit
2887 and output an extra diagnostic for the failed data reference
2890 2010-03-29 Richard Guenther <rguenther@suse.de>
2892 PR tree-optimization/43560
2893 * tree-ssa-loop-im.c (ref_always_accessed_p): Add store_p parameter.
2894 (can_sm_ref_p): Treat stores to readonly locations as trapping.
2896 2010-03-29 Jie Zhang <jie@codesourcery.com>
2899 * toplev.c (process_options): Set optimization_default_node
2900 and optimization_current_node.
2901 * opts.c (decode_options): Don't set optimization_default_node
2902 and optimization_current_node.
2904 2010-03-29 Ralf Corsépius <ralf.corsepius@rtems.org>
2906 * config/rtems.h: Abandon -qrtems_debug.
2908 2010-03-28 Jan Hubicka <jh@suse.cz>
2910 PR tree-optimization/43505
2911 * cgraph.c (cgraph_clone_node): When clonning a clone, replacement
2912 map should not be copied.
2914 2010-03-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2917 * cgraphunit.c (cgraph_build_static_cdtor): If target doesn't have
2918 cdtors, set DECL_PRESERVE_P.
2919 * ipa.c (cgraph_externally_visible_p): Return true if declaration
2922 2010-03-27 Uros Bizjak <ubizjak@gmail.com>
2924 PR tree-optimization/43528
2925 * stor-layout.c (place_field): Check that constant fits into
2926 unsigned HWI when skipping calculation of MS bitfield layout.
2928 2010-03-27 Jan Hubicka <jh@suse.cz>
2931 * varasm.c (make_decl_rtl): Deal with COMMON flag to make
2932 notice_global_symbol work.
2934 2010-03-27 Jakub Jelinek <jakub@redhat.com>
2936 * dwarf2out.c (dwarf2_debug_hooks): Use dwarf2out_function_decl
2937 instead of dwarf2out_decl.
2938 (struct var_loc_node): Remove section_label field.
2939 (dwarf2out_function_decl): New function.
2940 (dwarf2out_var_location): Don't set section_label field.
2941 (dwarf2out_begin_function): Don't empty decl_loc_table here.
2943 2010-03-26 Michael Meissner <meissner@linux.vnet.ibm.com>
2945 PR tree-optimization/43544
2946 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
2947 First argument for builtin vectorized function hook is now a
2948 tree to be able to distinguish between machine specific and
2950 * targhooks.c (default_builtin_vectorized_function): Ditto.
2951 * targhooks.h (default_builtin_vectorized_function): Ditto.
2952 * target.h (struct gcc_target): Ditto.
2953 * tree-vect-stmts.c (vectorizable_function): Ditto.
2954 * config/i386/i386.c (ix86_builtin_vectorized_function): Ditto.
2955 * config/rs6000/rs6000.c (rs6000_builtin_vectorized_function):
2958 2010-03-26 Joseph Myers <joseph@codesourcery.com>
2961 * c-decl.c (get_parm_info): Assert that decl going in OTHERS has a
2962 nested binding iff it is a FUNCTION_DECL.
2963 (store_parm_decls_newstyle): Pass nested=true to bind for
2964 FUNCTION_DECLs amongst parameters.
2966 2010-03-26 Jakub Jelinek <jakub@redhat.com>
2968 * var-tracking.c (vt_expand_loc_callback): Don't run
2969 cselib_expand_value_rtx_cb in dummy mode if
2970 cselib_dummy_expand_value_rtx_cb returned false.
2972 * var-tracking.c (emit_note_insn_var_location): For one part
2973 notes with offset 0, don't add EXPR_LIST around the location.
2974 * dwarf2out.c (loc_descriptor, dw_loc_list_1,
2975 add_location_or_const_value_attribute): Adjust for that change.
2978 * dwarf2out.c (reg_save): For DW_CFA_expression put regnum
2979 into first operand and location into second.
2980 (dw_cfi_oprnd1_desc): Return dw_cfi_oprnd_reg_num instead of
2981 dw_cfi_oprnd_loc for DW_CFA_expression.
2982 (dw_cfi_oprnd2_desc): Return dw_cfi_oprnd_loc for DW_CFA_expression.
2983 (output_cfa_loc, output_cfa_loc_raw): For DW_CFA_expression
2984 assume first argument is regnum and second argument is location.
2986 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2989 * config/alpha/alpha.md (*cmp_sadd_si): Change mode
2990 of scratch register to DImode. Split to DImode comparison operator.
2991 Use SImode subreg of scratch register in the multiplication.
2992 (*cmp_sadd_sidi): Ditto.
2993 (*cmp_ssub_si): Ditto.
2994 (*cmp_ssub_sidi): Ditto.
2996 2010-03-26 Uros Bizjak <ubizjak@gmail.com>
2999 * config/i386/i386.c (ix86_expand_prologue) [TARGET_STACK_PROBE]:
3000 Remove invalid assert and wrong comment.
3002 2010-03-26 Jakub Jelinek <jakub@redhat.com>
3005 * flags.h (final_insns_dump_p): New extern.
3006 * final.c (final_insns_dump_p): New variable.
3007 (rest_of_clean_state): Set it before -fdump-final-insns=
3008 dumping, clear afterwards.
3009 * print-rtl.c (print_rtx): If final_insns_dump_p don't dump
3010 MEM_ALIAS_SET on MEMs.
3012 2010-03-26 David S. Miller <davem@davemloft.net>
3014 * configure.ac: Fix sparc GOTDATA_OP bug check.
3015 * configure: Rebuild.
3017 2010-03-26 Alan Modra <amodra@gmail.com>
3019 * config/rs6000/rs6000.md (cmptf_internal2): Correct comparison.
3021 2010-03-25 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3023 * doc/tm.texi (Sections): Document TLS_COMMON_ASM_OP,
3024 TLS_SECTION_ASM_FLAG.
3026 2010-03-25 Jakub Jelinek <jakub@redhat.com>
3029 * config/i386/i386.c (ix86_code_end): Set DECL_WEAK if TARGET_MACHO.
3030 Clear first_function_block_is_cold.
3033 * gimplify.c (gimple_boolify): Only recurse on __builtin_expect
3034 argument if the argument is truth_value_p.
3036 2010-03-24 Michael Meissner <meissner@linux.vnet.ibm.com>
3038 * config/rs6000/constraints.md: Update copyright year for my changes.
3041 * config/rs6000/rs6000.c (rs6000_split_multireg_move): If r0 is
3042 used in reg+reg addressing, swap registers.
3044 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3047 * target.h (struct gcc_target): Add code_end hook.
3048 * target-def.h (TARGET_ASM_CODE_END): Define to hook_void_void
3050 (TARGET_ASM_OUT): Add TARGET_ASM_CODE_END.
3051 * toplev.c (compile_file): Call targetm.asm_out.code_end
3052 hook before unwind info/debug info output.
3053 * config/i386/winnt.c (i386_pe_file_end): Don't call ix86_file_end.
3054 * config/i386/linux.h (NEED_INDICATE_EXEC_STACK): Don't define.
3055 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3056 * config/i386/linux64.h (NEED_INDICATE_EXEC_STACK): Don't define.
3057 (TARGET_ASM_FILE_END): Define to file_end_indicate_exec_stack.
3058 * config/i386/i386.c (ix86_file_end): Renamed to...
3059 (ix86_code_end): ... this. Make static. Don't call
3060 file_end_indicate_exec_stack. Emit unwind info using
3061 final_start_function/final_end_function.
3062 (darwin_x86_file_end): Remove.
3063 (TARGET_ASM_CODE_END): Define.
3064 * config/i386/i386.h (TARGET_ASM_FILE_END,
3065 NEED_INDICATE_EXEC_STACK): Don't define.
3066 * config/i386/darwin.h (darwin_x86_file_end): Remove prototype.
3067 (TARGET_ASM_FILE_END): Define to darwin_file_end.
3068 * config/i386/i386-protos.h (ix86_file_end): Remove prototype.
3069 * doc/tm.texi (TARGET_ASM_CODE_END): Document.
3072 * config/i386/i386.c (x86_output_mi_thunk): Call final_start_function
3073 at the beginning and final_end_function at the end.
3074 * config/s390/s390.c (s390_output_mi_thunk): Likewise.
3076 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3078 * configure.ac (i[34567]86-*-*): Handle Solaris 2/x86 TLS support
3079 and Sun as TLS syntax.
3080 (TLS_SECTION_ASM_FLAG) [on_solaris && !gas_flag]: Define.
3081 * configure: Regenerate.
3082 * config.in: Regenerate.
3083 * varasm.c (TLS_SECTION_ASM_FLAG): Define default.
3084 (default_elf_asm_named_section): Use it.
3085 * config/i386/i386.c (output_pic_addr_const): Lowercase @DTPOFF.
3086 (i386_output_dwarf_dtprel): Likewise.
3087 (output_addr_const_extra): Likewise.
3088 (output_pic_addr_const): Lowercase @GOTTPOFF.
3089 (output_addr_const_extra): Likewise.
3090 (output_pic_addr_const): Lowercase @GOTNTPOFF.
3091 (output_addr_const_extra): Likewise.
3092 (output_pic_addr_const): Lowercase @INDNTPOFF.
3093 (output_addr_const_extra): Likewise.
3094 (output_pic_addr_const): Lowercase @NTPOFF.
3095 (output_addr_const_extra): Likewise.
3096 (output_pic_addr_const): Lowercase @TPOFF.
3097 (output_addr_const_extra): Likewise.
3098 * config/i386/i386.md (*tls_global_dynamic_32_gnu): Lowercase @TLSGD.
3099 (*tls_global_dynamic_64): Likewise.
3100 (*tls_local_dynamic_base_32_gnu): Lowercase @TLSLDM.
3101 (*tls_local_dynamic_base_64): Lowercase @TLSLD.
3103 * defaults.h (TLS_COMMON_ASM_OP): Provide default.
3104 (ASM_OUTPUT_TLS_COMMON): Use it.
3105 * config/i386/sol2-gas.h (TLS_COMMON_ASM_OP): Undef.
3108 * config.gcc (sparc*-*-solaris2*) [$gas=yes]: Add usegas.h to tm_file.
3109 * config/sparc/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Move ...
3110 * config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): ... here.
3111 * config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Redefine.
3112 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3113 (ASM_DECLARE_OBJECT_NAME) [!USE_GAS]: Redefine.
3115 2010-03-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3117 * config/i386/i386.c (override_options): Don't accept
3118 -mtls-dialect=sun any longer.
3119 * config/i386/i386.h (TARGET_SUN_TLS): Define as 0.
3120 * config/i386/i386.md (*tls_global_dynamic_32_sun): Remove.
3121 (*tls_local_dynamic_base_32_sun): Likewise.
3122 * config/i386/sol2.h (TARGET_SUN_TLS): Redefine.
3124 2010-03-24 Jakub Jelinek <jakub@redhat.com>
3127 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
3128 VEC_{MERGE,SELECT,CONCAT,DUPLICATE}.
3131 * ira.c (adjust_cleared_regs): New function.
3132 (update_equiv_regs): Adjust cleared_regs in DEBUG_INSNs.
3136 * cfgexpand.c (gimple_assign_rhs_to_tree): Also set TREE_BLOCK
3138 * expr.c (expand_expr_real): Restore previous
3139 curr_insn_source_location and curr_insn_block after
3140 expand_expr_real_1 call.
3141 (expand_expr_real_1) <case SSA_NAME>: Call expand_expr_real
3142 instead of expand_expr_real_1.
3144 2010-03-23 Vladimir Makarov <vmakarov@redhat.com>
3146 PR rtl-optimization/43413
3147 * ira-color.c (setup_allocno_available_regs_num): Count prohibited
3150 2010-03-22 James E. Wilson <wilson@codesourcery.com>
3153 * ia64.md (call_nogp, call_value_nogp, sibcall_nogp, call_gp,
3154 call_value_gp, sibcall_gp): Use 's' constraint not 'i'.
3156 2010-03-22 H.J. Lu <hongjiu.lu@intel.com>
3158 * config/i386/i386.c (ix86_target_string): Add -mfma.
3159 Fix a typo in comment.
3161 2010-03-22 Mike Stump <mikestump@comcast.net>
3164 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3165 Don't overly align based upon packed packed fields.
3167 2010-03-22 Jason Merrill <jason@redhat.com>
3169 * c-pretty-print.c (pp_c_specifier_qualifier_list) [VECTOR_TYPE]:
3170 Use () rather than [], and move before the element type.
3172 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3174 * doc/configfiles.texi (Configuration Files): Removed
3175 fixinc/Makefile*, intl/Makefile.*.
3176 * doc/makefile.texi: Fixed markup. Abstract from version
3177 control system used.
3178 (Makefile): Removed obsolete gcc/java/parse.y example.
3179 * doc/sourcebuild.texi: Likewise.
3180 (Top Level): Added config, gnattools, libdecnumber, libgcc,
3181 libgomp, libssp. Removed fastjar.
3182 (Miscellaneous Docs): Clarify location.
3183 Added COPYING3, COPYING3.LIB.
3184 (Front End Directory): Moved Make-lang.in entry to new subsubsection.
3186 2010-03-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3189 * config/i386/i386.c (x86_function_profiler)
3190 [!NO_PROFILE_COUNTERS]: Fix typo.
3191 * config/i386/gmon-sol2.c (_mcleanup) [__x86_64__]: Use call
3194 2010-03-22 Janis Johnson <janis187@us.ibm.com>
3195 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3197 * doc/sourcebuild.texi (Test Directives): Split into six
3198 subsections, with most of the current text in new subsections
3199 Directives, Selectors, and Final Actions.
3200 (Directives): Split list of test directives into multiple
3202 (Selectors): Describe use and syntax of selectors.
3203 (Effective-Target Keywords): Describe all existing keywords.
3204 (Add Options): Describe features for dg-add-options.
3205 (Require Support): Describe variants of dg-require-support.
3206 (Final Actions): Describe commands to use in dg-final.
3208 2010-03-22 Michael Matz <matz@suse.de>
3211 * recog.c (validate_replace_rtx_group): Replace also in
3212 REG_EQUAL and REG_EQUIV notes.
3214 2010-03-22 Richard Guenther <rguenther@suse.de>
3216 PR tree-optimization/43390
3217 * tree-vect-stmts.c (get_vectype_for_scalar_type): Make
3218 sure vector extracts are type correct.
3220 2010-03-22 Richard Guenther <rguenther@suse.de>
3223 * builtins.c (expand_builtin_pow): Expand pow (x, 1.5) as
3224 x * sqrt (x) even when optimizing for size if the target
3225 has native support for sqrt.
3227 2010-03-22 Jakub Jelinek <jakub@redhat.com>
3229 * varasm.c (make_decl_rtl_for_debug): Also clear
3230 flag_mudflap for the duration of make_decl_rtl call.
3233 * var-tracking.c (add_cselib_value_chains): Remove ASM_OPERANDS
3234 locs from preserved VALUEs.
3236 2010-03-21 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3239 * pa.md (movmemsi): Set align to one if zero.
3240 (movmemdi): Likewise.
3242 2010-03-21 Richard Earnshaw <rearnsha@arm.com>
3245 * arm.c (arm_output_epilogue): Correctly match VFP pop instructions
3246 with their corresponding prologue pushes.
3248 2010-03-20 Andrew Pinski <pinskia@gmail.com>
3251 * config/spu/spu.c (spu_expand_prologue): Don't emit NOTE_INSN_DELETED
3252 at the begining or end.
3253 (spu_expand_epilogue): Likewise.
3255 2010-03-20 Richard Guenther <rguenther@suse.de>
3257 PR rtl-optimization/43438
3258 * combine.c (make_extraction): Properly zero-/sign-extend an
3259 extraction of the low part of a CONST_INT. Also handle
3262 2010-03-19 Mike Stump <mikestump@comcast.net>
3264 * config/i386/darwin.h (SUBTARGET32_DEFAULT_CPU): Add.
3265 * config/i386/i386.c (SUBTARGET32_DEFAULT_CPU): Add.
3266 (override_options): Use SUBTARGET32_DEFAULT_CPU.
3268 2010-03-19 Andrew Pinski <andrew_pinski@caviumnetworks.com>
3271 * c-decl.c (grokparms): Set arg_types to NULL_TREE if there was
3274 2010-03-19 Bernd Schmidt <bernds@codesourcery.com>
3276 PR rtl-optimization/42258
3277 * ira-lives.c (check_and_make_def_conflict): Ignore conflict for a
3278 use that may match DEF.
3281 * optabs.c (avoid_expensive_constant): Use rtx_cost to find out
3282 the cost of loading the constant rather than assuming
3284 * config/arm/arm.c (thumb1_rtx_costs) <case CONST_INT>: If the
3285 outer code is AND, do the same tests as the andsi3 expander and
3286 return COSTS_N_INSNS (1) if and is cheap.
3288 * optabs.c (avoid_expensive_constant): Fix formatting.
3290 2010-03-19 Michael Matz <matz@suse.de>
3293 * attribs.c (decl_attributes): When rebuilding a function pointer
3294 type use the same qualifiers as the original pointer type.
3296 2010-03-19 Martin Jambor <mjambor@suse.cz>
3298 * doc/gimple.texi (Logical Operators): Describe is_gimple_ip_invariant
3299 and is_gimple_ip_invariant_address.
3301 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3304 2009-10-01 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3306 * config/arm/arm.c (arm_override_options): Turn off
3307 flag_dwarf2_cfi_asm for AAPCS variants.
3309 2010-03-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
3312 * config/arm/arm.c (emit_multi_reg_push): Update comments.
3313 Use PRE_MODIFY instead of PRE_DEC.
3314 (emit_sfm): Use PRE_MODIFY instead of PRE_DEC.
3315 (vfp_emit_fstmd): Likewise.
3317 2010-03-19 Michael Matz <matz@suse.de>
3320 * builtins.c (expand_builtin_interclass_mathfn,
3321 expand_builtin_signbit): Use maybe_emit_unop_insn, emit libcalls
3324 2010-03-19 Richard Guenther <rguenther@suse.de>
3326 PR tree-optimization/43415
3327 * tree-ssa-pre.c (phi_translate): Split out worker to ...
3328 (phi_translate_1): ... this.
3329 (phi_translate): Move all caching here. Cache all NARY
3330 and REFERENCE translations.
3332 2010-03-19 David S. Miller <davem@davemloft.net>
3334 With help from Eric Botcazou.
3335 * config/sparc/sparc.c: Include dwarf2out.h.
3336 (emit_pic_helper): Delete.
3337 (pic_helper_symbol_name): Delete.
3338 (pic_helper_emitted_p): Delete.
3339 (pic_helper_needed): New.
3340 (USE_HIDDEN_LINKONCE): Define to '1' if HAVE_GAS_HIDDEN else '0'.
3341 (get_pc_thunk_name): New.
3342 (load_pic_register): Remove 'delay_pic_helper' arg. Use
3343 get_thunk_pc_name and ggc_strdup to generate PIC thunk symbol.
3344 Set pic_helper_needed to true. Don't call emit_pic_helper.
3345 (sparc_expand_prologue): Update load_pic_register call.
3346 (sparc_output_mi_thunk): Likewise.
3347 (sparc_file_end): Emit a hidden comdat symbol for the PIC
3348 thunk if possible. Output CFI information as needed.
3350 2010-03-18 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
3351 Jack Howarth <howarth@bromo.med.uc.edu>
3354 * config/i386/i386.h: Fix ABI on darwin x86-32.
3356 2010-03-18 Aldy Hernandez <aldyh@redhat.com>
3358 * tree.h: Declare make_decl_rtl_for_debug.
3359 * varasm.c (make_decl_rtl_for_debug): New.
3360 * dwarf2out.c (rtl_for_decl_location): Call it.
3361 * cfgexpand.c (expand_debug_expr): Call it.
3363 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3366 * var-tracking.c (adjust_mems) <case POST_MODIFY>: Allow BLKmode
3370 * var-tracking.c (vt_init_cfa_base): Do nothing if
3371 cfa_base_rtx would be hard_frame_pointer_rtx or non-fixed register.
3373 2010-03-18 Alexandre Oliva <aoliva@redhat.com>
3376 * var-tracking.c (canonicalize_vars_star): New.
3377 (dataflow_post_merge_adjust): Use it.
3379 2010-03-18 Jakub Jelinek <jakub@redhat.com>
3382 * var-tracking.c (non_suitable_const): New function.
3383 (add_uses): For DEBUG_INSNs with constants, don't record any
3384 value, instead just the constant value itself.
3385 (compute_bb_dataflow) <case MO_VAL_LOC>: If PAT_VAR_LOCATION_LOC
3386 is not VAR_LOC_UNKNOWN_P, set var to the constant.
3387 (emit_notes_in_bb): Likewise.
3388 (emit_note_insn_var_location): For onepart variables if
3389 cur_loc is a VOIDmode constant, use DECL_MODE.
3391 2010-03-18 Martin Jambor <mjambor@suse.cz>
3394 * cgraph.h (cgraph_redirect_edge_call_stmt_to_callee): Declare.
3395 * cgraphunit.c (cgraph_materialize_all_clones): Update calls in
3396 all non-clones. Moved call redirection...
3397 (cgraph_redirect_edge_call_stmt_to_callee): ...to this new function.
3398 (cgraph_materialize_all_clones): Dispose of all
3399 combined_args_to_skip bitmaps.
3400 (verify_cgraph_node): Do not check for edges pointing to wrong
3401 nodes in inline clones.
3402 * tree-inline.c (copy_bb): Call
3403 cgraph_redirect_edge_call_stmt_to_callee.
3404 * ipa.c (cgraph_remove_unreachable_nodes): Call
3405 cgraph_node_remove_callees even when there are used clones.
3407 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3409 * config/i386/libgcc-glibc.ver: Make GCC_4.5.0 inherit GCC_4.4.0.
3411 2010-03-18 H.J. Lu <hongjiu.lu@intel.com>
3414 * config/i386/libgcc-glibc.ver: Add __extendxftf2 to GCC_4.5.0
3417 2010-03-18 Michael Matz <matz@suse.de>
3420 * builtins.c (expand_builtin_pow): Don't transform pow(x, 0.5)
3421 into sqrt(x) if we need to preserve signed zeros.
3423 2010-03-18 Steven Bosscher <steven@gcc.gnu.org>
3424 Eric Botcazou <ebotcazou@adacore.com>
3426 PR rtl-optimization/43360
3427 * loop-invariant.c (move_invariant_reg): Remove the REG_EQUAL
3428 note if we don't know its invariant status.
3430 2010-03-18 Michael Matz <matz@suse.de>
3432 PR tree-optimization/43402
3433 * tree-cfgcleanup.c (cleanup_control_expr_graph): Don't follow
3434 PHI chains of ssa names registered for update.
3436 2010-03-17 Peter Bergner <bergner@vnet.ibm.com>
3439 * config/rs6000/rs6000.c (rs6000_split_multireg_move): Add support for
3440 non-offsettable and pre_modify update addressing.
3441 * config/rs6000/dfp.md (*movdd_hardfloat32): Make the "0", "1"
3442 and "2" alternatives "#".
3443 (*movdd_softfloat32): Make all alternatives "#";
3444 * config/rs6000/rs6000.md (DIFD): New define_mode_iterator.
3445 (*movdf_hardfloat32): Make the "0", "1" and "2" alternatives "#".
3446 (*movdf_softfloat32): Make all alternatives "#";
3447 (movdi): Use the new DIFD mode iterator to create a common splitter
3448 for movdi, movdf and movdd patterns.
3450 2010-03-18 Shujing Zhao <pearly.zhao@oracle.com>
3452 * common.opt (dumpdir): Remove redundant tab.
3454 2010-03-17 Martin Jambor <mjambor@suse.cz>
3456 PR tree-optimization/43347
3457 * tree-sra.c (create_access_replacement): Set TREE_NO_WARNING when the
3458 original base is DECL_ARTIFICIAL or DECL_IGNORED_P.
3460 2010-03-17 Bernd Schmidt <bernd.schmidt@analog.com>
3462 PR rtl-optimization/42216
3463 * regrename.c (create_new_chain): New function, broken out from...
3464 (scan_rtx_reg): ... here. Call it. Handle the case where we are
3465 appending a use to an empty chain.
3466 (build_def_use): Remove previous changes that convert OP_INOUT to
3467 OP_OUT operands; instead detect the case where an OP_INOUT operand
3468 uses a previously untracked register and create an empty chain for it.
3470 2010-03-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3472 * doc/extend.texi (Function Attributes): Rewrite unfinished
3473 sentence in ms_abi documentation.
3475 2010-03-17 Alan Modra <amodra@gmail.com>
3477 * config/rs6000/linux64.opt (mprofile-kernel): Use profile_kernel var.
3478 * config/rs6000/linux64.h (TARGET_PROFILE_KERNEL): Define.
3479 (SUBSUBTARGET_OVERRIDE_OPTIONS): Don't use SET_PROFILE_KERNEL.
3480 * config/rs6000/rs6000.c (SET_PROFILE_KERNEL): Don't define.
3482 2010-03-16 Richard Henderson <rth@redhat.com>
3485 * tree-eh.c (replace_goto_queue): Also replace in the eh_seq.
3486 (lower_try_finally): Save and restore eh_seq around the expansion
3489 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3491 * graphite-sese-to-poly.c (split_reduction_stmt): Skip debug
3492 statements before splitting block.
3494 2010-03-16 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
3496 * doc/sourcebuild.texi (Testsuites): Fix markup.
3497 Use pathnames relative to gcc/testsuite.
3498 (Test Directives): Move description of how timeout is determined.
3499 (Ada Tests): Favor gnat.exp over ada/acats/tests/gcc.
3500 (C Tests): Correct gcc.misc-tests directory.
3501 Framework tests now live in gcc.test-framework.
3503 2010-03-16 Richard Guenther <rguenther@suse.de>
3506 * tree-cfg.c (gimple_merge_blocks): When propagating virtual PHI
3507 operands make sure to merge SSA_NAME_OCCURS_IN_ABNORMAL_PHI properly.
3509 2010-03-16 Aldy Hernandez <aldyh@redhat.com>
3510 Alexandre Oliva <aoliva@redhat.com>
3512 PR tree-optimization/42917
3513 * lambda-code.c (remove_iv): Skip debug statements.
3514 (lambda_loopnest_to_gcc_loopnest): Likewise.
3515 (not_interesting_stmt): Debug statements are not interesting.
3517 2010-03-16 Jakub Jelinek <jakub@redhat.com>
3521 * cselib.c (cselib_preserve_constants,
3522 cfa_base_preserved_val): New static variables.
3523 (preserve_only_constants): New function.
3524 (cselib_reset_table): If cfa_base_preserved_val is non-NULL, don't
3525 clear its REG_VALUES. If cselib_preserve_constants, don't
3526 empty the whole hash table, but preserve there VALUEs with constants,
3527 cfa_base_preserved_val and cfa_base_preserved_val plus constant.
3528 (cselib_preserve_cfa_base_value): New function.
3529 (cselib_invalidate_regno): Don't invalidate cfa_base_preserved_val.
3530 (cselib_init): Change argument to int bitfield. Set
3531 cselib_preserve_constants to whether CSELIB_PRESERVE_CONSTANTS
3533 (cselib_finish): Clear cselib_preserve_constants and
3534 cfa_base_preserved_val.
3535 * cselib.h (enum cselib_record_what): New enum.
3536 (cselib_init): Change argument to int.
3537 (cselib_preserve_cfa_base_value): New prototype.
3538 * postreload.c (reload_cse_regs_1): Adjust cselib_init caller.
3539 * dse.c (dse_step1): Likewise.
3540 * cfgcleanup.c (thread_jump): Likewise.
3541 * sched-deps.c (sched_analyze): Likewise.
3542 * gcse.c (local_cprop_pass): Likewise.
3543 * simplify-rtx.c (simplify_replace_fn_rtx): Add argument to callback.
3544 If FN is non-NULL, call the callback always and whenever it returns
3545 non-NULL just return that. Only do rtx_equal_p if FN is NULL.
3546 * rtl.h (simplify_replace_fn_rtx): Add argument to callback.
3547 * combine.c (propagate_for_debug_subst): Add old_rtx argument,
3548 compare from with old_rtx and if it isn't rtx_equal_p, return NULL.
3549 * Makefile.in (var-tracking.o): Depend on $(RECOG_H).
3550 * var-tracking.c: Include recog.h.
3551 (bb_stack_adjust_offset): Remove.
3552 (vt_stack_adjustments): Don't call it, instead just gather the
3553 adjustments using insn_stack_adjust_offset_pre_post on each bb insn.
3554 (adjust_stack_reference): Remove.
3555 (compute_cfa_pointer): New function.
3556 (hard_frame_pointer_adjustment, cfa_base_rtx): New static variables.
3557 (struct adjust_mem_data): New type.
3558 (adjust_mems, adjust_mem_uses, adjust_mem_stores, adjust_insn): New
3560 (get_address_mode): New function.
3561 (replace_expr_with_values): Use it.
3562 (use_type): Don't do cselib_lookup for VAR_LOC_UNKNOWN_P.
3563 Use get_address_mode. For cfa_base_rtx return MO_CLOBBER.
3564 (adjust_sets): Remove.
3565 (add_uses): Don't add extra MO_VAL_USE for cfa_base_rtx plus constant.
3566 Use get_address_mode.
3567 (get_adjusted_src): Remove.
3568 (add_stores): Don't call it. Never reuse expr SET. Don't add extra
3569 MO_VAL_USE for cfa_base_rtx plus constant. Use get_address_mode.
3570 (add_with_sets): Don't call adjust_sets.
3571 (fp_setter, vt_init_cfa_base): New functions.
3572 (vt_initialize): Change return type to bool. Move most of pool etc.
3573 initialization to the beginning of the function from end. Pass
3574 CSELIB_RECORD_MEMORY | CSELIB_PRESERVE_CONSTANTS to cselib_init.
3575 If !frame_pointer_needed, call vt_stack_adjustment before mos
3576 vector is filled, call vt_init_cfa_base if argp/framep has been
3577 eliminated to sp. If frame_pointer_needed and argp/framep has
3578 been eliminated to hard frame pointer, set
3579 hard_frame_pointer_adjustment and call vt_init_cfa_base after
3580 encountering fp setter in the prologue. For MO_ADJUST, call
3581 log_op_type before pusing the op into mos vector, not afterwards.
3582 Call adjust_insn before cselib_process_insn/add_with_sets,
3583 call cancel_changes (0) afterwards.
3584 (variable_tracking_main_1): Adjust for vt_initialize calling
3585 vt_stack_adjustments and returning whether it succeeded or not.
3587 2010-03-15 Aldy Hernandez <aldyh@redhat.com>
3589 * graphite-sese-to-poly.c (rewrite_cross_bb_scalar_deps): Skip
3592 2010-03-15 Jakub Jelinek <jakub@redhat.com>
3594 * dwarf2out.c (dwarf2out_frame_debug): Don't assert drap_reg
3596 (based_loc_descr): Use DW_OP_fbreg for vdrap_reg even when
3597 drap_reg has not been set.
3599 2010-03-15 Michael Matz <matz@suse.de>
3602 * tree-outof-ssa.c (emit_partition_copy): New argument sizeexp,
3603 use it to expand block copies.
3604 (insert_partition_copy_on_edge, insert_rtx_to_part_on_edge,
3605 insert_part_to_rtx_on_edge): Adjust callers of emit_partition_copy.
3606 (insert_value_copy_on_edge): Use store_expr for BLKmode values.
3608 2010-03-15 Richard Guenther <rguenther@suse.de>
3610 PR tree-optimization/43367
3611 * tree-cfg.c (gimple_can_merge_blocks_p): Simplify PHI
3614 2010-03-15 Richard Guenther <rguenther@suse.de>
3616 PR tree-optimization/43317
3617 * ipa-struct-reorg.c (create_new_general_access): Update stmt.
3619 2010-03-15 Martin Jambor <mjambor@suse.cz>
3621 PR tree-optimization/43141
3622 * tree-sra.c (create_abstract_origin): New function.
3623 (modify_function): Call create_abstract_origin.
3625 2010-03-15 Chris Demetriou <cgd@google.com>
3627 * Makefile.in (stmp-int-hdrs): Don't chmod include/stdint.h if it
3630 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3633 * graphite-sese-to-poly.c (rewrite_close_phi_out_of_ssa): Do not
3634 call insert_out_of_ssa_copy for default definitions.
3636 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3638 * graphite-clast-to-gimple.c (my_long_long): Defined.
3639 (gcc_type_for_cloog_iv): Use it instead of long_long_integer_type_node.
3640 * graphite-sese-to-poly.c (my_long_long): Defined.
3641 (scop_ivs_can_be_represented): Use it.
3643 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3645 * doc/invoke.texi: Fix documentation of graphite-max-nb-scop-params,
3646 graphite-max-bbs-per-function, and loop-block-tile-size.
3647 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Replace "maximal"
3649 (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Same.
3651 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3653 * graphite-clast-to-gimple.c (gcc_type_for_iv_of_clast_loop): Remove
3654 forward declaration.
3655 * graphite-sese-to-poly.c (reduction_phi_p): Remove FIXME comment.
3656 (add_upper_bounds_from_estimated_nit): New.
3657 (build_loop_iteration_domains): Use it.
3659 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3661 * doc/invoke.texi (PARAM_LOOP_BLOCK_TILE_SIZE): Document.
3663 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3666 * tree-chrec.c (evolution_function_right_is_integer_cst): CHREC_RIGHT
3667 should be an INTEGER_CST. Also handle CASE_CONVERT.
3669 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3671 * graphite.c (graphite_initialize): To bound the number of bbs per
3672 function, use PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION.
3673 * params.def (PARAM_GRAPHITE_MAX_BBS_PER_FUNCTION): Declared.
3674 * doc/invoke.texi: Document it.
3676 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3678 * graphite-sese-to-poly.c (build_poly_scop): Do not return bool.
3679 * graphite-sese-to-poly.h (build_poly_scop): Same.
3681 2010-03-13 Sebastian Pop <sebastian.pop@amd.com>
3683 * graphite-sese-to-poly.c (build_poly_scop): Limit scops following
3684 the number of parameters in the scop. Use as an upper bound
3685 PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS.
3686 * params.def (PARAM_GRAPHITE_MAX_NB_SCOP_PARAMS): Declared.
3687 * doc/invoke.texi: Document it.
3689 2010-03-13 Jerry Quinn <jlquinn@optonline.net>
3691 * Makefile.in (TEXI_GCCINT_FILES): Remove c-tree.texi.
3692 * doc/c-tree.texi: Remove.
3693 * doc/generic.texi: Merge c-tree.texi here.
3694 * doc/gccint.texi (Trees): Remove menu entry.
3695 (c-tree.texi): Remove @include.
3696 * doc/rtl.texi (Reading RTL): Update pxref from Trees to GENERIC.
3697 * doc/languages.texi (Reading RTL): Ditto.
3699 2010-03-12 Steve Ellcey <sje@cup.hp.com>
3702 * config/ia64/sync.md (sync_compare_and_swap): Move memory fence.
3704 2010-03-12 Michael Meissner <meissner@linux.vnet.ibm.com>
3707 * gcc/config/rs6000/rs6000.c (rs6000_emit_move): Delete band-aid
3708 code added to work around reload clobbering CONST insns.
3710 2010-03-12 Jakub Jelinek <jakub@redhat.com>
3712 * cselib.c (LONG_TERM_PRESERVED_VALUE_P): Remove.
3713 (cselib_preserve_definitely, cselib_clear_preserve): Remove.
3714 (cselib_preserve_only_values): Remove retain argument, don't
3715 traverse hash table with cselib_{preserve_definitely,clear_preserve}.
3716 * cselib.h (cselib_preserve_only_values): Remove retain argument.
3717 * var-tracking.c (micro_operation): Move insn field before union.
3718 Add DEF_VEC_O and DEF_VEC_ALLOC_O for this type.
3719 (struct variable_tracking_info_def): Remove n_mos field, change
3720 mos into a vector of micro_operations.
3721 (count_uses, count_uses_1, count_stores, count_with_sets): Remove.
3722 (bb_stack_adjust_offset, log_op_type, add_uses, add_stores,
3723 compute_bb_dataflow, emit_notes_in_bb): Adjust for VTI (bb)->mos
3724 changing into a vector.
3725 (add_with_sets): Likewise. Ensure MO_VAL_USE uops from add_stores
3726 come before all other uops generated by add_stores.
3727 (vt_add_function_parameters): Adjust for cselib_preserve_only_values
3729 (vt_initialize): Likewise. Adjust for VTI (bb)->mos changing into
3730 a vector. Run just one pass over the bbs instead of separate counting
3731 and computation phase.
3732 (vt_finalize): Free VTI (bb)->mos vector instead of array.
3735 * tree-inline.c (remap_decls): Put old_var rather than origin_var
3736 into *nonlocalized_list vector.
3737 * dwarf2out.c (gen_formal_parameter_die): Call decl_ultimate_origin
3738 even if origin is non-NULL.
3739 (gen_variable_die): Likewise.
3740 (process_scope_var): Don't change origin.
3741 (gen_decl_die): Likewise.
3742 * tree-cfgcleanup.c (remove_forwarder_block): Check single_pred_p
3743 before adding new edges instead of after it, fix moving over
3746 2010-03-11 David S. Miller <davem@davemloft.net>
3748 * configure.ac (gcc_cv_as_cfi_advance_working): Skip a multiple
3750 * configure: Rebuild.
3752 2010-03-11 Martin Jambor <mjambor@suse.cz>
3754 PR tree-optimization/43257
3755 * tree.c (assign_assembler_name_if_neeeded): New function.
3756 (free_lang_data_in_cgraph): Assembler name assignment moved to the
3758 * tree.h (assign_assembler_name_if_neeeded): Declare.
3759 * cgraphunit.c (cgraph_analyze_function): Create an assembler name for
3760 the function if needed.
3762 2010-03-11 Chris Demetriou <cgd@google.com>
3764 * Makefile.in (stmp-int-hdrs): Make include/unwind.h,
3765 include/stdint-gcc.h, and include/stdint.h world-readable.
3767 2010-03-11 Richard Guenther <rguenther@suse.de>
3769 PR tree-optimization/43255
3770 * tree-vrp.c (process_assert_insertions_for): Do not insert
3771 asserts for trivial conditions.
3773 2010-03-11 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3775 PR tree-optimization/43280
3776 * tree-ssa-math-opts.c (find_bswap_1): Modify symbolic number
3777 generation. Move calculation of size out of the if branch.
3778 (find_bswap): Modify compare number generation.
3780 2010-03-11 Richard Guenther <rguenther@suse.de>
3783 * lto-streamer-in.c (maybe_fixup_decls): Simplify.
3784 (input_gimple_stmt): Fixup handled component types during
3785 operand read. Also fix up decls in ADDR_EXPRs.
3787 2010-03-10 Eric Botcazou <ebotcazou@adacore.com>
3789 * config/sparc/sol2-bi.h (CC1_SPEC): Default to -mcpu=v9 for -m32.
3790 * config/sparc/t-sol2-64 (MULTILIB_DIRNAMES): Use sparcv8plus.
3792 2010-03-10 Jan Hubicka <jh@suse.cz>
3795 * ipa.c (function_and_variable_visibility) Normalize COMMON bits.
3796 * varasm.c (get_variable_section): Don't do that here...
3797 (make_decl_rtl): ... and here.
3798 (do_assemble_alias): Produce decl RTL.
3799 (assemble_alias): Likewise.
3801 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3804 * reg-notes.def (REG_CFA_SET_VDRAP): New note.
3805 * dwarf2out.c (dwarf2out_frame_debug_expr): Remove rule 20 - setting
3807 (dwarf2out_frame_debug): Handle REG_CFA_SET_VDRAP note.
3808 (based_loc_descr): Only express drap or vdrap regno based expressions
3809 using DW_OP_fbreg when not optimizing.
3810 * config/i386/i386.c (ix86_get_drap_rtx): When not optimizing,
3811 make the vDRAP = DRAP assignment RTX_FRAME_RELATED_P and add
3812 REG_CFA_SET_VDRAP note.
3814 2010-03-10 Alexander Monakov <amonakov@ispras.ru>
3816 PR tree-optimization/43236
3817 * tree-loop-distribution.c (generate_memset_zero): Fix off-by-one
3818 error in calculation of base address in reverse iteration case.
3819 (generate_builtin): Take number of latch executions if the statement
3822 2010-03-10 Andrey Belevantsev <abel@ispras.ru>
3825 * tree-eh.c: Include pointer-set.h.
3826 (lower_eh_dispatch): Filter out duplicate case labels and
3827 remove the unneeded edge when the label is unused. Return
3828 true when some edges are removed.
3829 (execute_lower_eh_dispatch): When any lowering resulted in
3830 removing an edge, also delete unreachable blocks.
3832 2010-03-10 Jakub Jelinek <jakub@redhat.com>
3835 * config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
3836 UNSPEC_MACHOPIC_OFFSET.
3838 2010-03-09 Andreas Schwab <schwab@linux-m68k.org>
3841 * config/m68k/m68k.c (TARGET_DELEGITIMIZE_ADDRESS): Define.
3842 (m68k_delegitimize_address): New function.
3844 2010-03-09 Jakub Jelinek <jakub@redhat.com>
3847 * dwarf2out.c (const_ok_for_output_1): Return 1 for UNSPECs.
3850 * var-tracking.c (adjust_sets): New function.
3851 (count_with_sets, add_with_sets): Use it.
3852 (get_adjusted_src): New inline function.
3853 (add_stores): Use it.
3856 * var-tracking.c (vt_expand_loc_callback) <case SUBREG>: If dummy,
3857 call cselib_dummy_expand_value_rtx_cb instead of
3858 cselib_expand_value_rtx_cb.
3861 * config/i386/t-i386 (i386.o): Depend on debug.h and dwarf2out.h.
3862 * config/i386/i386.c: Include debug.h and dwarf2out.h.
3863 (ix86_file_end): If dwarf2out_do_cfi_asm (), emit .cfi_startproc
3864 and .cfi_endproc around the pic thunks.
3865 (output_set_got): For TARGET_DEEP_BRANCH_PREDICTION pic, ensure
3866 all queued unwind info register saves are saved before the call.
3867 For !TARGET_DEEP_BRANCH_PREDICTION pic, ensure the call is
3868 considered as sp-=4 for unwind info and the pop as sp+=4 which
3869 also clobbers dest, but doesn't actually restore it.
3872 * config/i386/i386.c (ix86_get_drap_rtx): Don't set
3873 RTX_FRAME_RELATED_P.
3875 2010-03-09 Jie Zhang <jie@codesourcery.com>
3877 * config/arm/arm.md (thumb_mulsi3_v6): Remove trailing
3878 whitespaces in output template.
3880 2010-03-09 Jie Zhang <jie@codesourcery.com>
3882 * ira-lives.c (check_and_make_def_use_conflict): Don't fall
3885 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3887 * Makefile.in (check_gcc_parallelize): Run dg-torture.exp and
3888 builtins.exp in a separate job.
3890 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3892 * graphite-sese-to-poly.c (add_param_constraints): Use
3893 lower_bound_in_type and upper_bound_in_type.
3895 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3897 * graphite-sese-to-poly.c (add_param_constraints): Use sizetype
3898 instead of unsigned_type_node.
3900 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3901 Reza Yazdani <reza.yazdani@amd.com>
3904 * graphite-sese-to-poly.c (add_param_constraints): Insert bounds
3905 on pointer type parameters.
3907 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3911 * graphite-clast-to-gimple.c (clast_to_gcc_expression): Also
3912 handle conversions from pointer to integers.
3913 (gcc_type_for_cloog_iv): Choose the smalles signed integer as an
3914 induction variable, to be able to work with code generated by CLooG.
3915 * graphite-sese-to-poly.c (scop_ivs_can_be_represented): New.
3916 (build_poly_scop): Bail out if we cannot codegen a loop.
3918 2010-03-08 Tobias Grosser <grosser@fim.uni-passau.de>
3920 * graphite-clast-to-gimple.c (translate_clast): Do not short-cut
3921 code generation with gloog_error.
3923 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3925 * sese.c (expand_scalar_variables_ssa_name): Add new argument for type.
3926 Call fold_convert on all the returned values.
3927 (expand_scalar_variables_expr): Pass to
3928 expand_scalar_variables_ssa_name the type of the resulting expression.
3930 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3932 * graphite-ppl.c (ppl_min_for_le_polyhedron): Renamed
3933 ppl_min_for_le_pointset.
3934 Use ppl_Pointset_Powerset_C_Polyhedron_minimize.
3935 * graphite-ppl.h (ppl_min_for_le_polyhedron): Update declaration.
3937 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3939 * graphite-dependences.c (map_into_dep_poly): Removed.
3940 (dependence_polyhedron_1): Use combine_context_id_scat.
3942 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3944 * graphite-poly.h (struct poly_scattering): Add layout documentation.
3945 (struct poly_bb): Same.
3946 (combine_context_id_scat): New.
3948 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3951 * sese.c (name_defined_in_loop_p): Return false for default
3954 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3956 * graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
3957 and clean up the logic.
3959 2010-03-08 Sebastian Pop <sebastian.pop@amd.com>
3961 * graphite-sese-to-poly.c (add_param_constraints): Enabled: remove
3964 2010-03-08 Jakub Jelinek <jakub@redhat.com>
3966 * var-tracking.c (remove_cselib_value_chains): Define only for
3968 (dataflow_set_preserve_mem_locs, dataflow_set_remove_mem_locs,
3969 delete_slot_part, emit_notes_for_differences_1): Don't call
3970 remove_cselib_value_chains here.
3971 (set_slot_part, emit_notes_for_differences_2): Don't call
3972 add_cselib_value_chains here.
3973 (preserved_values): New vector.
3974 (preserve_value): New function.
3975 (add_uses, add_stores, vt_add_function_parameters): Use it
3976 instead of cselib_preserve_value.
3977 (changed_values_stack): New vector.
3978 (check_changed_vars_0): New function.
3979 (check_changed_vars_1, check_changed_vars_2): Use it.
3980 (emit_notes_for_changes): Call set_dv_changed (*, false) on all
3981 changed_values_stack VALUEs.
3982 (vt_emit_notes): For all preserved_values call
3983 add_cselib_value_chains. If ENABLE_CHECKING call
3984 remove_cselib_value_chains before verifying value_chains is empty.
3985 Initialize and free changed_values_stack.
3986 (vt_initialize): Initialize preserved_values.
3987 (vt_finalize): Free preserved_values.
3989 2010-03-08 Richard Guenther <rguenther@suse.de>
3991 PR tree-optimization/43269
3992 * tree-ssa-dse.c (dse_possible_dead_store_p): Fix post-dom
3995 2010-03-08 Martin Jambor <mjambor@suse.cz>
3997 * ipa-prop.h (struct ipa_param_descriptor): Removed the called field.
3998 (ipa_is_param_called): Removed.
3999 * ipa-prop.c (ipa_note_param_call): Do not set the called flag.
4000 (ipa_print_node_params): Do not print the called flag.
4001 (ipa_write_node_info): Do not stream the called flag.
4002 (ipa_read_node_info): Likewise.
4004 2010-03-07 Jakub Jelinek <jakub@redhat.com>
4007 * Makefile.in (var-tracking.o): Depend on pointer-set.h.
4008 * cselib.c (struct expand_value_data): Add dummy field.
4009 (cselib_expand_value_rtx, cselib_expand_value_rtx_cb): Initialize
4011 (cselib_dummy_expand_value_rtx_cb): New function.
4012 (cselib_expand_value_rtx_1): If evd->dummy is true, don't allocate
4014 * cselib.h (cselib_dummy_expand_value_rtx_cb): New prototype.
4015 * var-tracking.c: Include pointer-set.h.
4016 (variable): Change n_var_parts to char from int. Add
4017 cur_loc_changed and in_changed_variables fields.
4018 (variable_canonicalize): Remove.
4019 (shared_var_p): New inline function.
4020 (unshare_variable): Maintain cur_loc_changed and
4021 in_changed_variables fields. If var was in changed_variables,
4022 replace it there with new_var. Just copy cur_loc instead of
4023 resetting it to something else.
4024 (variable_union): Don't recompute cur_loc. Use shared_var_p.
4025 (dataflow_set_union): Don't call variable_canonicalize.
4026 (loc_cmp): If both x and y are DEBUG_EXPRs, compare uids
4027 of their DEBUG_EXPR_TREE_DECLs.
4028 (canonicalize_loc_order_check): Verify that cur_loc is NULL
4029 and in_changed_variables and cur_loc_changed is false.
4030 (variable_merge_over_cur): Clear cur_loc, in_changed_variables
4031 and cur_loc_changed. Don't update cur_loc here.
4032 (variable_merge_over_src): Don't call variable_canonicalize.
4033 (dataflow_set_preserve_mem_locs): Use shared_var_p. When
4034 removing loc that is equal to cur_loc, clear cur_loc,
4035 set cur_loc_changed and ensure variable_was_changed is called.
4036 (dataflow_set_remove_mem_locs): Use shared_var_p. Only
4037 compare pointers in cur_loc check, if it is equal to loc,
4038 clear cur_loc and set cur_loc_changed. Don't recompute cur_loc here.
4039 (variable_different_p): Remove compare_current_location argument,
4040 don't compare cur_loc.
4041 (dataflow_set_different_1): Adjust variable_different_p caller.
4042 (variable_was_changed): If dv had some var in changed_variables
4043 already, reset in_changed_variables flag for it and propagate
4044 cur_loc_changed over to the new variable. On empty var
4045 always set cur_loc_changed. Set in_changed_variables on whatever
4046 var is added to changed_variables.
4047 (set_slot_part): Clear cur_loc_changed and in_changed_variables.
4048 Use shared_var_p. When removing loc that is equal to cur_loc,
4049 clear cur_loc and set cur_loc_changed. If cur_loc is NULL at the
4050 end, don't set it to something else, just call variable_was_changed.
4051 (delete_slot_part): Use shared_var_p. When cur_loc equals to
4052 loc being removed, clear cur_loc and set cur_loc_changed.
4053 Set cur_loc_changed if all locations have been removed.
4054 (struct expand_loc_callback_data): New type.
4055 (vt_expand_loc_callback): Add dummy mode in which no rtxes are
4056 allocated. Always create SUBREGs if simplify_subreg failed.
4057 Prefer to use cur_loc, when that fails and still in
4058 changed_variables (and seen first time) recompute it. Set
4059 cur_loc_changed of variables which had to change cur_loc and
4060 compute elcd->cur_loc_changed if any of the subexpressions used
4061 had to change cur_loc.
4062 (vt_expand_loc): Adjust to pass arguments in
4063 expand_loc_callback_data structure.
4064 (vt_expand_loc_dummy): New function.
4065 (emitted_notes): New variable.
4066 (emit_note_insn_var_location): For VALUEs and DEBUG_EXPR_DECLs
4067 that weren't used for any other decl in current
4068 emit_notes_for_changes call call vt_expand_loc_dummy to update
4069 cur_loc. For -fno-var-tracking-assignments, set cur_loc to
4070 first loc_chain location if NULL before. Always use just
4071 cur_loc instead of first loc_chain location. When cur_loc_changed
4072 is false, when not --enable-checking=rtl just don't emit any note.
4073 When rtl checking, compute the note and assert it is the same
4074 as previous note. Clear cur_loc_changed and in_changed_variables
4075 at the end before removing from changed_variables.
4076 (check_changed_vars_3): New function.
4077 (emit_notes_for_changes): Traverse changed_vars to call
4078 check_changed_vars_3 on each changed var.
4079 (emit_notes_for_differences_1): Clear cur_loc_changed and
4080 in_changed_variables. Recompute cur_loc of new_var.
4081 (emit_notes_for_differences_2): Clear cur_loc if new variable appears.
4082 (vt_emit_notes): Initialize and destroy emitted_notes.
4084 2010-03-07 Bernd Schmidt <bernd.schmidt@analog.com>
4086 PR rtl-optimization/42220
4087 * regrename.c (scan_rtx) <case STRICT_LOW_PART, ZERO_EXTRACT>:
4088 Use verify_reg_tracked to determine if we should use OP_OUT rather
4090 (build_def_use): If we see an in-out operand for a register that we
4091 know nothing about, treat is an output if possible, fail the block if
4094 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4097 * gimple-iterator.c (gsi_remove): Propagate only PHI DEFs removed
4100 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4103 * tree-vect-loop.c (vect_transform_loop): Kill out-of-loop debug
4104 uses of relevant DEFs that are dead outside the loop too.
4106 2010-03-06 Alexandre Oliva <aoliva@redhat.com>
4108 * var-tracking.c (dataflow_set_merge): Swap src and src2.
4110 2010-01-13 Jakub Jelinek <jakub@redhat.com>
4112 * var-tracking.c (values_to_unmark): New variable.
4113 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
4114 values_to_unmark vector. Moved body to...
4115 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
4116 instead queue it into values_to_unmark vector.
4117 (vt_find_locations): Free values_to_unmark vector.
4119 2010-03-05 Eric Botcazou <ebotcazou@adacore.com>
4121 * Makefile.in (PLUGINCC, PLUGINCFLAGS): New variables.
4122 (site.exp): Export them when plugins are enabled.
4124 2010-03-05 Sebastian Pop <sebastian.pop@amd.com>
4127 * tree-chrec.c (chrec_fold_plus_1): Do not handle convert expressions
4129 (chrec_fold_multiply): Same.
4131 2010-03-04 Andrew Pinski <andrew_pinski@caviumnetworks.com>
4134 * c-decl.c (build_compound_literal): Return early if init is
4137 2010-03-04 Martin Jambor <mjambor@suse.cz>
4139 PR tree-optimization/43164
4140 PR tree-optimization/43191
4141 * tree-sra.c (type_consists_of_records_p): Reject records with
4142 zero-size bit-fields at the end.
4144 2010-03-04 Mike Stump <mikestump@comcast.net>
4146 * Makefile.in (TAGS): Remove *.y.
4148 2010-03-04 Richard Guenther <rguenther@suse.de>
4150 PR tree-optimization/40761
4151 * tree-ssa-pre.c (compute_antic): Walk reverse postorder
4153 (my_rev_post_order_compute): New function.
4154 (init_pre): Call it.
4156 2010-03-04 Changpeng Fang <changpeng.fang@amd.com>
4159 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Do not
4160 decrease the cost of an IV candidate when the cost is infinite.
4162 2010-03-04 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4164 * doc/extend.texi (Vector Extensions, X86 Built-in Functions):
4165 Use '3DNow!' for the extension of that name, ensure normal space
4167 * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4169 2010-03-03 Jeff Law <law@redhat.com>
4171 * PR middle-end/32693
4172 * expmed.c (store_bit_field_1): Use gen_lowpart_SUBREG rather
4173 than gen_rtx_SUBREG.
4174 (extract_bit_field_1): Likewise.
4176 2010-03-03 Janis Johnson <janis187@us.ibm.com>
4178 * doc/sourcebuild.texi (Test directives): Document that arguments
4179 include-opts and exclude-opts are now optional for dg-skip-if,
4180 dg-xfail-if, dg-xfail-run-if, and dg-shouldfail.
4182 2010-03-03 Jason Merrill <jason@redhat.com>
4185 * cgraph.h (varpool_node): Add extra_name field.
4186 * varpool.c (varpool_extra_name_alias): New.
4187 (varpool_assemble_decl): Emit extra name aliases.
4188 (varpool_mark_needed_node): Look past an extra name alias.
4189 * lto-streamer.h (LTO_tags): Add LTO_var_decl_alias.
4190 * lto-streamer-in.c (lto_input_tree): Read it.
4191 * lto-streamer-out.c (output_unreferenced_globals): Write it.
4193 2010-03-03 Eric Botcazou <ebotcazou@adacore.com>
4195 * config.gcc (sparc64-*-solaris2*, sparc-*-solaris2*): Merge into...
4196 (sparc*-*-solaris2*): ...this.
4198 2010-03-03 Jakub Jelinek <jakub@redhat.com>
4201 * cfgexpand.c (expand_debug_expr): Handle DOT_PROD_EXPR,
4202 WIDEN_MULT_EXPR and WIDEN_SUM_EXPR. Return NULL without
4203 ICE for vector expressions, ADDR_SPACE_CONVERT_EXPR,
4204 FIXED_CONVERT_EXPR, OBJ_TYPE_REF and WITH_SIZE_EXPR.
4207 * dwarf2out.c (add_bound_info): If a decl bound doesn't have decl_die,
4208 fallthrough to default handling, just with want_address 0 instead of 2.
4209 For single element lists, add_AT_loc directly, otherwise create an
4210 artificial variable DIE and stick location list to it.
4213 * var-tracking.c (loc_cmp): Don't assert VALUEs have the same mode.
4214 (VAL_EXPR_HAS_REVERSE): Define.
4215 (reverse_op): New function.
4216 (add_stores): For reversible operations add an extra MO_VAL_USE.
4218 2010-03-02 Jason Merrill <jason@redhat.com>
4220 * c-pretty-print.c (pp_c_specifier_qualifier_list): Print vector size.
4222 2010-03-02 Eric Botcazou <ebotcazou@adacore.com>
4224 * config.gcc (sparc-*-linux*): Do not include sparc/gas.h.
4225 (sparc64-*-linux*): Likewise.
4226 (sparc64-*-solaris2*): Include assembler files before linker ones.
4227 (sparc-*-solaris2*): Simplify and reorder to match previous case.
4228 * config/sparc/gas.h: Delete.
4229 * config/sparc/sol2-64.h: Add copyright notice.
4230 * config/sparc/sol2-gas-bi.h: Likewise.
4231 * config/sparc/sol2-gld.h: Likewise.
4232 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Delete.
4233 * config/sparc/sol2.h (TARGET_ASM_NAMED_SECTION): Redefine.
4234 * config/sparc/sol2-gas.h (TARGET_ASM_NAMED_SECTION): Likewise.
4235 * config/sparc/sparc.c (TARGET_ASM_ALIGNED_SI_OP): Never redefine.
4236 (sparc_elf_asm_named_section): Rename into...
4237 (sparc_solaris_elf_asm_named_section): ...this. Always define.
4239 2010-03-02 Uros Bizjak <ubizjak@gmail.com>
4241 * config/alpha/alpha.c (override_options): Fix -mtune error message.
4243 2010-03-02 Jeff Law <law@redhat.com>
4246 * reload1.c (rtx_p, substitute_stack): Declare.
4247 (substitute): Record addresses of changed rtxs.
4248 (gen_reload_chain_without_interm_reg_p): Don't use copy_rtx anymore.
4249 Restore the original rtx when complete.
4250 (reload): Free subsitute_stack when complete.
4252 2010-03-02 Janis Johnson <janis187@us.ibm.com>
4254 * doc/gccint.texi (menu): Add Testsuites as a chapter.
4255 * doc/sourcebuild.texi (Testsuites): Move up a level to be a
4257 (Test Idioms, Test Directives, Ada Tests, C Tests, libgcj Tests,
4258 LTO Testing, gcov Testing, profopt Testing, compat Testing,
4259 Torture Tests): Change from subsection to section.
4261 2010-03-02 Jakub Jelinek <jakub@redhat.com>
4262 Steven Bosscher <steven@gcc.gnu.org>
4264 * var-tracking.c (vt_initialize): Scan insns in ebb chunks
4267 2010-03-02 Reza Yazdani <reza.yazdani@amd.com>
4270 * tree-loop-distribution.c (update_phis_for_loop_copy): Replaced
4271 the assignment from the new induction variable to the assignment
4272 of the value from the original loop PHI function.
4274 2010-03-01 Janis Johnson <janis187@us.ibm.com>
4275 Daniel Jacobowitz <dan@codesourcery.com>
4277 * doc/sourcebuild.texi (Test directives): Clarify options to
4280 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4282 * configure.ac (gcc_cv_as_cfi_directive) [i?86-*-solaris*]:
4283 Disable cfi directives unless GCC and gas agree on using read-only
4284 .eh_frame sections for 64-bit.
4285 * configure: Regenerate.
4287 2010-03-01 Richard Guenther <rguenther@suse.de>
4289 PR tree-optimization/43220
4290 * tree-ssa-ccp.c (optimize_stack_restore): Do not optimize
4291 BUILT_IN_STACK_{SAVE,RESTORE} around alloca.
4293 2010-03-01 Richard Guenther <rguenther@suse.de>
4294 Martin Jambor <mjambor@suse.cz>
4297 * gimplify.c (gimplify_body): Unset DECL_HAS_VALUE_EXPR_P on
4298 gimplified parameters.
4300 2010-03-01 Christian Bruel <christian.bruel@st.com>
4302 * except.c (dw2_build_landing_pads): set LABEL_PRESERVE_P.
4304 2010-03-01 H.J. Lu <hongjiu.lu@intel.com>
4306 * config/i386/linux64.h (ASM_SPEC): Use SPEC_32 and SPEC_64.
4308 2010-03-01 Richard Guenther <rguenther@suse.de>
4311 * expr.c (expand_assignment): Use the alias-oracle to tell
4312 if the rhs aliases the result decl.
4314 2010-03-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4317 * config/host-solaris.c (HOST_HOOKS_GT_PCH_GET_ADDRESS): Redefine
4318 to sol_gt_pch_get_address.
4319 (TRY_EMPTY_VM_SPACE): Define for all combinations of 32 and
4320 64-bit, SPARC and x86.
4321 (sol_gt_pch_get_address): New function.
4323 2010-03-01 Marco Poletti <poletti.marco@gmail.com>
4325 * toplev.h (inform_n, error_n): Declare.
4326 * diagnostic.c (inform_n, error_n): New function.
4328 2010-03-01 Jakub Jelinek <jakub@redhat.com>
4330 * cfgexpand.c (expand_used_vars): If an artificial non-ignored var
4331 has no rtl yet when processing local_decls, queue it and recheck
4332 if deferred stack allocation hasn't assigned it rtl.
4334 2010-02-28 Kaz Kojima <kkojima@gcc.gnu.org>
4336 * config/sh/sh.c (unspec_bbr_uid): New.
4337 (gen_block_redirect): Use it instead of INSN_UID.
4338 (gen_far_branch): Likewise.
4340 2010-02-28 H.J. Lu <hongjiu.lu@intel.com>
4342 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Make
4343 it the same as TARGET_SUBTARGET64_ISA_DEFAULT.
4345 2010-02-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4347 * doc/invoke.texi (Warning Options, RX Options): Fix typos.
4348 (Warning Options): -Wno-conversion-null is valid for
4349 Objective-C++ as well.
4350 * doc/tm.texi (Named Address Spaces): Likewise.
4351 * doc/plugins.texi (Plugins): Replace TABs with spaces.
4352 * doc/tree-ssa.texi (Tree SSA): Likewise.
4354 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4357 * config.gcc: Don't enable SSE math for i[34567]86-*-darwin*
4358 by default. Don't set the default arch for
4359 i[34567]86-*-darwin*|x86_64-*-darwin*.
4361 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4364 * config.gcc: Enable SSE math for i[34567]86-*-darwin* by
4365 default. Set the default 32bit/64bit archs with $with_arch
4366 instead of $arch for i[34567]86-*-*|x86_64-*-* targets.
4368 2010-02-27 Richard Guenther <rguenther@suse.de>
4370 PR tree-optimization/43186
4371 * params.def (PARAM_MAX_UNROLL_ITERATIONS): New param.
4372 * doc/invoke.texi (max-completely-peel-loop-nest-depth): Document.
4373 * tree-ssa-loop-ivcanon.c (tree_unroll_loops_completely): Limit
4374 unroller iterations.
4376 2010-02-27 H.J. Lu <hongjiu.lu@intel.com>
4378 * config.gcc: Set the default 32bit/64bit archs if 64bit ISA is
4379 required and i[34567]86-*-* targets don't support 64bit ISA.
4381 2010-02-26 Eric Botcazou <ebotcazou@adacore.com>
4384 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
4387 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4389 * config.gcc: Set the default arch at least to Prescott for
4390 i[34567]86-*-darwin* and Pentium 4 for i[34567]86-*-* targets
4391 if SSE math is enabled.
4393 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4395 * diagnostic.c (diagnostic_initialize): Update.
4396 (diagnostic_report_diagnostic): Test inhibit_notes_p for
4398 * diagnostic.h (diagnostic_context): New bool inhibit_notes_p.
4399 (diagnostic_inhibit_notes): New.
4400 * toplev.c (process_options): inhibit notes with -fcompare-debug.
4402 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4405 * doc/cpp.texi: Use c90 instead of c89 and gnu90 instead of gnu89.
4406 * doc/standards.texi: Likewise.
4407 * doc/extend.texi: Likewise.
4408 * doc/trouble.texi: Likewise.
4409 * doc/cppopts.texi: Likewise.
4410 * doc/install.texi: Likewise.
4411 * c.opt (std=c90,std=gnu90): New options.
4412 * c-opts.c (c_common_handle_option): Handle them.
4414 2010-02-26 Manuel López-Ibáñez <manu@gcc.gnu.org>
4417 * c-decl.c (undeclared_variable): Use an informative note.
4419 2010-02-26 Richard Guenther <rguenther@suse.de>
4421 PR tree-optimization/43186
4422 * gimple.h (gimple_fold): Remove.
4423 * gimple.c (gimple_fold): Remove. Inline into single user ...
4424 * tree-cfgcleanup.c (cleanup_control_expr_graph): ... here.
4425 Try harder for conditions.
4427 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4430 * function.c (used_types_insert): Don't skip through named pointer
4431 types. Don't use TYPE_MAIN_VARIANT if the original type has a name
4432 and it is different from the main variant's type.
4434 2010-02-26 Nick Clifton <nickc@redhat.com>
4436 * config/rx/rx.md (sminsi3): Remove bogus alternative.
4438 2010-02-26 H.J. Lu <hongjiu.lu@intel.com>
4440 * config.gcc: Support --with-fpmath=sse for x86.
4442 * config/i386/ssemath.h: New.
4444 * doc/install.texi (--with-fpmath=sse): Documented.
4446 2010-02-26 Richard Guenther <rguenther@suse.de>
4448 PR tree-optimization/43188
4449 * tree-vect-stmts.c (get_vectype_for_scalar_type): Do not build
4450 vector types of over-aligned element type.
4452 2010-02-26 Uros Bizjak <ubizjak@gmail.com>
4455 * config/i386/i386.c (expand_vec_perm_blend): Use correct
4456 operands in V8HImode subregs. Fix operand order in VEC_MERGE rtx.
4458 2010-02-26 Jan Kratochvil <jan.kratochvil@redhat.com>
4460 * doc/invoke.texi (-fvar-tracking-assignments): Fix typo.
4462 2010-02-26 Jakub Jelinek <jakub@redhat.com>
4464 * Makefile.in (var-tracking.o): Depend on $(DIAGNOSTIC_H).
4465 * var-tracking.c: Include diagnostic.h.
4466 (debug_dv): New function.
4467 (dump_var): Print DEBUG_EXPR_DECLs as D#N instead of D.-N.
4470 * var-tracking.c (dv_onepart_p): Return true for DEBUG_EXPR_DECLs.
4471 (add_value_chain, add_value_chains, remove_value_chain,
4472 remove_value_chains): Handle DEBUG_EXPRs.
4473 (check_changed_vars_1, check_changed_vars_2): Handle DEBUG_EXPR_DECLs.
4476 * regcprop.c (struct queued_debug_insn_change): New type.
4477 (struct value_data_entry): Add debug_insn_changes field.
4478 (struct value_data): Add n_debug_insn_changes field.
4479 (debug_insn_changes_pool): New variable.
4480 (free_debug_insn_changes, apply_debug_insn_changes,
4481 cprop_find_used_regs_1, cprop_find_used_regs): New functions.
4482 (kill_value_one_regno): Call free_debug_insn_changes if needed.
4483 (init_value_data): Clear debug_insn_changes and n_debug_insn_changes
4485 (replace_oldest_value_reg): Don't change DEBUG_INSNs, instead queue
4487 (copyprop_hardreg_forward_1): Don't call apply_change_group for
4488 DEBUG_INSNs. For a real insn, if there are queued DEBUG_INSN
4489 changes, call cprop_find_used_regs via note_stores.
4490 (copyprop_hardreg_forward): When copying vd from predecessor
4491 which has any queued DEBUG_INSN changes, make sure the pointers are
4492 cleared. At the end call df_analyze and then if there are any
4493 DEBUG_INSN changes queued at the end of some basic block for still
4494 live registers, apply them.
4495 (pass_cprop_hardreg): Set TODO_df_finish in todo_flags_finish.
4497 2010-02-25 Uros Bizjak <ubizjak@gmail.com>
4499 * config.gcc (i[34567]86-*-* | x86_64-*-*): Split long line.
4502 2010-02-25 H.J. Lu <hongjiu.lu@intel.com>
4504 * config.gcc: Set arch/cpu for i[34567]86-*-*|x86_64-*-*
4505 targets. Set the default with_cpu/with_arch from arch/cpu.
4506 Allow x86-64 and native for with_cpu/with_arch.
4508 2010-02-25 Nicolas Benoit <nbenoit@tuxfamily.org>
4510 * ebitmap.c: Change calls to verify_popcount with calls to
4511 sbitmap_verify_popcount.
4512 (ebitmap_clear_bit): Fixed map->cacheindex test and
4513 map>cache update when bit clearing results in an empty
4516 2010-02-25 Michael Meissner <meissner@linux.vnet.ibm.com>
4519 * config/rs6000/vector.md (VEC_64): New iterator for V2DF, V2DI.
4520 (vec_interleave_high<mode>): Rename from vec_interleave_highv2df
4521 and support both V2DF and V2DI modes.
4522 (vec_interleave_low<mode>): Rename from vec_interleave_lowv2df and
4523 support both V2DF and V2DI modes.
4524 (general): Delete trailing whitespace from a few patterns.
4526 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
4527 V2DF/V2DI interleave high/low builtins.
4529 * config/rs6000/rs6000-builtin.def (VSX_BUILTIN_VEC_MERGE*): Add
4532 * config/rs6000/rs6000.c (bdesc_2arg): Add support for V2DF/V2DI
4533 interleave high/low functions.
4535 2010-02-25 Gerald Pfeifer <gerald@pfeifer.com>
4537 * doc/extend.texi (Symbol-Renaming Pragmas): Fix spelling of
4538 #pragma extern_prefix.
4540 2010-02-25 Jakub Jelinek <jakub@redhat.com>
4543 * cfgexpand.c (expand_debug_expr) <case VAR_DECL>: If mode is
4544 BLKmode, assert op0 is a MEM and just adjust its mode.
4547 * cfgexpand.c (expand_debug_expr): Don't call simplify_gen_subreg
4548 if bitpos isn't multiple of mode's bitsize.
4550 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4552 * c.opt (-ftemplate-depth=): New.
4553 (-ftemplate-depth-): Deprecate.
4554 * optc-gen.awk: Handle -ftemplate-depth=.
4555 * opth-gen.awk: Likewise.
4556 * c-opts.c (c_common_handle_option): Likewise.
4557 * doc/invoke.texi (-ftemplate-depth-): Replace with -ftemplate-depth=.
4559 2010-02-24 Jason Merrill <jason@redhat.com>
4561 * doc/invoke.texi: Improve -Wabi and -fabi-version docs.
4563 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4565 * cfg.c (alloc_aux_for_block): Remove inline.
4566 (alloc_aux_for_edge): Likewise.
4568 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4570 * config.gcc: Fix typo in mips-sgi-irix6.[0-4]* obsoletion.
4572 2010-02-24 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
4574 * config/i386/sol2.h (NO_DBX_BNSYM_ENSYM): Define.
4575 * config/i386/sol2-gas.h: New file.
4576 * config.gcc (i[34567]86-*-solaris2*): Use it.
4578 2010-02-24 Manuel López-Ibáñez <manu@gcc.gnu.org>
4581 * c-typeck.c (ep_convert_and_check): New.
4582 (build_conditional_expr): Use it.
4583 (build_binary_op): Likewise.
4585 2010-02-24 Jakub Jelinek <jakub@redhat.com>
4587 * regcprop.c (copyprop_hardreg_forward_1): Don't call df_insn_rescan.
4590 * gimplify.c (gimplify_type_sizes): Clear DECL_IGNORED_P for VLA
4591 bounds even for -O+.
4592 * var-tracking.c (track_expr_p): If !need_rtl, don't mandate
4593 expr needs to have DECL_NAME set.
4595 2010-02-24 Nick Clifton <nickc@redhat.com>
4597 * config/mep/mep.c: Include gimple.h.
4598 (mep_function_uses_sp): Delete unused function.
4599 (mep_gimplify_va_arg_expr): Change types of pre_p and post_p
4600 parameters. Use unsigned integers to count args. Return a
4601 NULL_RTX instead of an error_mark_node. Toidy up formatting.
4603 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4606 * config/i386/i386.c (avx_vpermilp_parallel): Reject indexes
4607 greater or equal to nelt instead of 2 * nelt.
4608 (expand_vec_perm_1): When op0 and op1 are equal, mask indexes
4611 2010-02-23 Jason Merrill <jason@redhat.com>
4614 * cfgexpand.c (expand_used_vars): Keep artificial non-ignored vars
4615 in cfun->local_decls even if they have register types.
4618 * stor-layout.c (place_field): Don't warn about unnecessary
4619 DECL_PACKED if the type is packed.
4621 2010-02-23 Jakub Jelinek <jakub@redhat.com>
4624 * config/i386/i386.c (ix86_delegitimize_address): Delegitimize all
4625 GOTOFF relocs, even when the base reg isn't pic pointer.
4627 2010-02-23 Michael Matz <matz@suse.de>
4630 * cfgexpand (expand_debug_expr): Expand TERed ssa names in place.
4631 (expand_gimple_basic_block): Generate and use debug temps if there
4632 are debug uses left after the last real use of TERed ssa names.
4633 Unlink debug immediate uses when they are expanded.
4635 2010-02-23 Manuel López-Ibáñez <manu@gcc.gnu.org>
4638 * config/i386/i386.c (override_options): Reorganise to provide
4639 better error messages.
4641 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4644 * graphite-scop-detection.c (create_single_exit_edge): Move
4645 the call to find_single_exit_edge to....
4646 (create_sese_edges): ...here. Don't handle multiple edges
4647 exiting the function.
4648 (build_graphite_scops): Don't handle multiple edges
4649 exiting the function.
4651 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4654 * sese.c (get_rename): Assert that old_name is an SSA_NAME.
4655 (rename_variables_in_stmt): Continue when the use is not an SSA_NAME.
4657 2010-02-22 Sebastian Pop <sebastian.pop@amd.com>
4660 * sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
4662 2010-02-22 Manuel López-Ibáñez <manu@gcc.gnu.org>
4665 * c-typeck.c (convert_arguments): Print declaration location.
4666 * c-common.c (validate_nargs): Rename as
4667 builtin_function_validate_nargs.
4668 (check_builtin_function_arguments): Update.
4670 2010-02-22 Richard Guenther <rguenther@suse.de>
4673 * tree-inline.c (declare_return_variable): Use the type of
4674 the call stmt lhs if available.
4676 2010-02-22 Duncan Sands <baldrick@free.fr>
4678 * passes.c (register_pass): Always consider all pass lists when
4679 ref_pass_instance_number is zero.
4681 2010-02-22 Richard Guenther <rguenther@suse.de>
4683 PR tree-optimization/42749
4684 * tree-tailcall.c (adjust_return_value_with_ops): Drop update
4685 parameter. Do arithmetic in the original type.
4686 (update_accumulator_with_ops): Likewise.
4687 (adjust_accumulator_values): Adjust.
4689 2010-02-22 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
4691 * config/s390/s390.md ("movqi"): Re-add the mem->mem alternative.
4692 (QI to BLKmode splitter): New splitter.
4694 2010-02-22 H.J. Lu <hongjiu.lu@intel.com>
4696 * config/i386/i386.c (initial_ix86_tune_features): Turn on
4697 X86_TUNE_INTER_UNIT_MOVES for m_ATOM.
4699 2010-02-22 Richard Guenther <rguenther@suse.de>
4701 * tree-vect-slp.c (vect_slp_analyze_bb): Fix typo.
4703 2010-02-22 Hans-Peter Nilsson <hp@bitrange.com>
4705 Migrate crti, crtn, crtbegin, crtend build rules to libgcc.
4706 * config/mmix/t-mmix (EXTRA_MULTILIB_PARTS): Don't set.
4707 ($(T)crti.o, $(T)crtn.o): Remove rules.
4709 2010-02-21 Tobias Burnus <burnus@net-b.de>
4712 * doc/invoke.texi (-fassociative-math): Document that this
4713 option is automatically enabled for Fortran.
4715 2010-02-20 David S. Miller <davem@davemloft.net>
4717 * configure.ac: Test if linker and assembler properly support
4718 GOTDATA_OP relocations.
4719 * configure: Rebuild.
4720 * config.in: Likewise.
4721 * config/sparc/sparc.md (UNSPEC_MOVE_GOTDATA): New.
4722 (movsi_lo_sum_pic): Use %gdop_*() relocs if available.
4723 (movsi_high_pic): Likewise.
4724 (movdi_lo_sum_pic): Likewise.
4725 (movdi_high_pic): Likewise.
4726 (movsi_pic_gotdata_op): New pattern.
4727 (movdi_pic_gotdata_op): Likewise.
4728 * config/sparc/sparc.c (legitimize_pic_address): If flag_pic is 2,
4729 emit gen_mov{si,di}_pic_gotdata_op for the GOT slot load.
4731 2010-02-20 Uros Bizjak <ubizjak@gmail.com>
4734 * config/i386/sse.md (xop_mulv2div2di3_low): Change type
4735 attribute to ssemul.
4736 (xop_mulv2div2di3_high): Ditto.
4738 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4741 * c.opt (Wconversion-null): New option.
4742 * doc/invoke.texi (Wconversion-null): Document.
4744 2010-02-20 Manuel López-Ibáñez <manu@gcc.gnu.org>
4746 * common.opt (Wlarger-than-): Add Undocumented.
4748 2010-02-19 Mike Stump <mikestump@comcast.net>
4750 * config/t-darwin (gt-darwin.h): Remove as Makefile now handles it.
4752 2010-02-19 Jason Merrill <jason@redhat.com>
4755 * configure.ac (gcc_cv_as_cfi_advance_working): Check 32-bit advance.
4756 * configure: Likewise.
4758 2010-02-20 Alan Modra <amodra@gmail.com>
4761 * cgraph.h (cgraph_make_decl_local): Declare.
4762 * cgraph.c (cgraph_make_decl_local): New function.
4763 (cgraph_make_node_local): Use it.
4764 * cgraphunit.c (cgraph_function_versioning): Likewise.
4765 * ipa.c (function_and_variable_visibility): Likewise.
4767 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4770 * except.c (sjlj_emit_function_enter): Don't call
4771 add_reg_br_prob_note, instead add REG_BR_PROB note to the last insn
4773 * rtl.h (add_reg_br_prob_note): Remove prototype.
4775 2010-02-19 Manuel López-Ibáñez <manu@gcc.gnu.org>
4778 * c-common.c (conversion_warning): Remove widening conversions
4779 before checking the conversion of integers to reals.
4781 2010-02-19 Mike Stump <mikestump@comcast.net>
4784 * c-decl.c (merge_decls): Merge DECL_PRESERVE_P.
4787 * cgraphunit.c (process_function_and_variable_attributes): Check
4788 DECL_PRESERVE_P instead of looking up attribute "used".
4789 * ipa-pure-const.c (check_decl): Likewise.
4790 * ipa-reference.c (has_proper_scope_for_analysis): Likewise.
4791 * ipa-type-escape.c (has_proper_scope_for_analysis): Likewise.
4792 * config/sol2.c (solaris_insert_attributes): Set DECL_PRESERVE_P
4793 instead of attribute "used".
4794 * config/sol2-c.c (solaris_pragma_init): Likewise.
4795 (solaris_pragma_fini): Likewise.
4797 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4799 * ipa-struct-reorg.c (make_field_acc_node, gen_cluster, peel_field):
4800 Use XCNEW instead of xcalloc.
4801 (add_access_to_acc_sites, create_new_var_node, add_alloc_site): Use
4802 XNEW instead of xmalloc.
4803 (get_fields): Use XNEWVEC instead of xmalloc.
4806 * ipa-struct-reorg.c (add_access_to_acc_sites): For debug stmts don't
4807 populate vars array.
4808 (create_new_general_access): For debug stmts just reset value.
4809 (get_stmt_accesses): For accesses within debug stmts just record them
4810 using add_access_to_acc_sites instead of preventing the peeling or
4811 counting them as accesses.
4814 * dojump.c (do_jump) <case TRUTH_NOT_EXPR>: Invert priority.
4816 2010-02-19 Richard Guenther <rguenther@suse.de>
4818 PR tree-optimization/42916
4819 * tree-vect-slp.c (vect_slp_analyze_bb): Count only real
4822 2010-02-19 Andreas Schwab <schwab@linux-m68k.org>
4824 * configure.ac: Replace all uses of changequote in macro arguments
4825 with proper quoting.
4827 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4830 * loop-doloop.c (add_test): Adjust do_compare_rtx_and_jump caller.
4832 2010-02-19 Richard Guenther <rguenther@suse.de>
4834 PR tree-optimization/42944
4835 * tree-ssa-alias.c (call_may_clobber_ref_p_1): Massage
4836 test for aliasing with errno.
4838 2010-02-19 Jakub Jelinek <jakub@redhat.com>
4841 * expr.h (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump,
4842 do_jump_1, do_compare_rtx_and_jump): Add PROB argument.
4843 * dojump.c: Include output.h.
4844 (inv): New inline function.
4845 (jumpifnot, jumpifnot_1, jumpif, jumpif_1, do_jump_1, do_jump,
4846 do_jump_by_parts_greater_rtx, do_jump_by_parts_greater,
4847 do_jump_by_parts_zero_rtx, do_jump_by_parts_equality_rtx,
4848 do_jump_by_parts_equality, do_compare_and_jump): Add PROB
4849 argument, pass it down to other calls.
4850 (do_compare_rtx_and_jump): Likewise. If PROB is not -1,
4851 add REG_BR_PROB note to the conditional jump.
4852 * cfgexpand.c (add_reg_br_prob_note): Removed.
4853 (expand_gimple_cond): Don't call it, add the probability
4854 as last argument to jumpif_1/jumpifnot_1.
4855 * Makefile.in (dojump.o): Depend on output.h.
4856 * builtins.c (expand_errno_check): Adjust do_compare_rtx_and_jump
4858 * expmed.c (emit_store_flag_force, do_cmp_and_jump): Likewise.
4859 * stmt.c (do_jump_if_equal): Likewise.
4860 * cfgrtl.c (rtl_lv_add_condition_to_bb): Likewise.
4861 * loop-unswitch.c (compare_and_jump_seq): Likewise.
4862 * config/rs6000/rs6000.c (rs6000_aix_emit_builtin_unwind_init):
4864 * optabs.c (expand_doubleword_shift, expand_abs): Likewise.
4865 * expr.c (expand_expr_real_1): Adjust do_jump, jumpifnot and
4866 jumpifnot_1 callers.
4867 (expand_expr_real_2): Adjust jumpifnot_1 and do_compare_rtx_and_jump
4869 (store_expr): Adjust jumpifnot caller.
4870 (store_constructor): Adjust jumpif caller.
4873 * gimplify.c (gimple_boolify): For __builtin_expect call
4874 gimple_boolify also on its first argument.
4876 2010-02-18 Uros Bizjak <ubizjak@gmail.com>
4878 * configure.ac (gnu-unique-object): Wrap regexps using [] in
4880 (__stack_chk_fail): Ditto. Remove quadrigraphs.
4881 * configure: Regenerated.
4883 2010-02-18 Ulrich Weigand <Ulrich.Weigand@de.ibm.com>
4885 * config/spu/spu-c.c (spu_resolve_overloaded_builtin): Call
4886 lang_hooks.types_compatible_p instead of comptypes.
4888 2010-02-18 Sebastian Huber <sebastian.huber@embedded-brains.de>
4890 * config/arm/lib1funcs.asm (__prefer_thumb__): New define.
4891 (udivsi3, aeabi_uidivmod, divsi3, aeabi_idivmod): Use Thumb-1 variant
4892 if __prefer_thumb__ is defined.
4894 2010-02-18 Martin Jambor <mjambor@suse.cz>
4896 PR tree-optimization/43066
4897 * tree-sra.c (build_ref_for_offset_1): Return false on encountering an
4898 array with zero-sized element type.
4900 2010-02-18 Jakub Jelinek <jakub@redhat.com>
4902 * dwarf2out.c (add_var_loc_to_decl): Change last argument to
4903 rtx, allocate struct var_loc_node here and return it to the
4904 caller, and only if it is actually needed.
4905 (dwarf2out_var_location): Adjust add_var_loc_to_decl caller,
4906 move it earlier and return immediately if it returns NULL.
4908 2010-02-17 Mikael Pettersson <mikpe@it.uu.se>
4910 * config/sparc/gas.h: New file. Restore
4911 TARGET_ASM_NAMED_SECTION to its ELF default.
4912 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Do not
4914 * config/sparc/sparc.c (sparc_elf_asm_named_section):
4915 Likewise. Add ATTRIBUTE_UNUSED to prototype.
4916 * config.gcc (sparc*-*-linux*): Include sparc/gas.h
4917 after sparc/sysv4.h.
4919 2010-02-17 Dave Korn <dave.korn.cygwin@gmail.com>
4921 * config/i386/mingw32.h (LIBGCJ_SONAME): Fix cut'n'pasto in DLL name.
4923 2010-02-17 Steven Bosscher <steven@gcc.gnu.org>
4925 * gensupport.c (process_one_cond_exec): Derive name for COND_EXEC
4926 patterns from predicated pattern.
4928 2010-02-17 Uros Bizjak <ubizjak@gmail.com>
4931 * config/i386/sse.md (xop_vpermil2<mode>3): Use avxmodesuffixf2c
4932 for insn mnemonic suffix.
4934 2010-02-17 Richard Guenther <rguenther@suse.de>
4936 * tree-vrp.c (vrp_visit_phi_node): Restrict SCEV analysis
4939 2010-02-17 Jakub Jelinek <jakub@redhat.com>
4942 * caller-save.c (save_call_clobbered_regs): If BB ends with
4943 a DEBUG_INSN, move any notes in between last real insn and the last
4944 DEBUG_INSN after the last DEBUG_INSN.
4946 2010-02-16 Joern Rennecke <joern.rennecke@embecosm.com>
4948 * tm.texi (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC):
4949 Fix return type. Fix argument type. Explain meaning of return value.
4951 2010-02-16 Richard Guenther <rguenther@suse.de>
4953 PR tree-optimization/41043
4954 * tree-vrp.c (vrp_var_may_overflow): Only ask SCEV for real loops.
4955 (vrp_visit_assignment_or_call): Do not ask SCEV for regular
4957 (vrp_visit_phi_node): ... but only for loop PHI nodes.
4959 2010-02-16 Ira Rosen <irar@il.ibm.com>
4961 PR tree-optimization/43074
4962 * tree-vectorizer.h (VECTORIZABLE_CYCLE_DEF): New.
4963 * tree-vect-loop.c (vect_analyze_loop_operations): Add
4964 vectorizable cycles in hybrid SLP check.
4965 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Likewise.
4967 2010-02-16 Richard Guenther <rguenther@suse.de>
4969 * alias.c (memrefs_conflict_p): Distinguish must-alias from don't know.
4970 (true_dependence): If memrefs_conflict_p computes must-alias
4971 trust it. Move TBAA check after offset-based disambiguation.
4972 (canon_true_dependence): Likewise.
4974 2010-02-16 Alexandre Oliva <aoliva@redhat.com>
4976 * params.def (PARAM_MAX_VARTRACK_SIZE): New.
4977 * doc/invoke.texi: Document it.
4978 * var-tracking.c: Include toplev.h and params.h.
4979 (vt_find_locations): Return bool indicating success. Compute
4980 hash sizes unconditionally. Check new parameter, report.
4981 (variable_tracking_main_1): Check vt_find_locations results and
4982 retry. Renamed from...
4983 (variable_tracking_main): ... this. New wrapper to preserve
4984 flag_var_tracking_assignments.
4985 * Makefile.in (var-tracking.o): Adjust dependencies.
4987 2010-02-16 Jack Howarth <howarth@bromo.med.uc.edu>
4988 Jakub Jelinek <jakub@redhat.com>
4991 * config/darwin.h (ASM_WEAKEN_DECL): Don't check weak attribute
4992 if weak_import attribute is present.
4993 * config/darwin.c (machopic_select_section): Likewise.
4995 2010-02-15 Joern Rennecke <joern.rennecke@embecosm.com>
4997 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Document.
4998 (TARGET_VECTORIZE_VECTOR_ALIGNMENT_REACHABLE): Likewise.
4999 (TARGET_VECTORIZE_BUILTIN_VEC_PERM): Likewise.
5000 (TARGET_VECTORIZE_BUILTIN_VEC_PERM_OK): Likewise.
5002 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): Fix argument
5005 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
5008 * doc/tm.texi (TARGET_SCHED_DFA_NEW_CYCLE): Add argument names.
5009 Rewrite text to refer to the names.
5011 2010-02-15 Sebastian Pop <sebastian.pop@amd.com>
5013 * config/i386/i386-builtin-types.def
5014 (V2DF_FTYPE_V2DF_V2DF_V2DI_INT): Declared.
5015 (V4DF_FTYPE_V4DF_V4DF_V4DI_INT): Declared.
5016 (V4SF_FTYPE_V4SF_V4SF_V4SI_INT): Declared.
5017 (V8SF_FTYPE_V8SF_V8SF_V8SI_INT): Declared.
5018 * config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_VPERMIL2PD,
5019 IX86_BUILTIN_VPERMIL2PS, IX86_BUILTIN_VPERMIL2PD256, and
5020 IX86_BUILTIN_VPERMIL2PS256.
5021 (MULTI_ARG_4_DF2_DI_I): Defined.
5022 (MULTI_ARG_4_DF2_DI_I1): Defined.
5023 (MULTI_ARG_4_SF2_SI_I): Defined.
5024 (MULTI_ARG_4_SF2_SI_I1): Defined.
5025 (bdesc_multi_arg): Add __builtin_ia32_vpermil2pd,
5026 __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256, and
5027 __builtin_ia32_vpermil2ps256.
5028 (ix86_expand_multi_arg_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5029 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5030 MULTI_ARG_4_SF2_SI_I1. Handle builtins with 4 arguments.
5031 (ix86_expand_args_builtin): Handle MULTI_ARG_4_DF2_DI_I,
5032 MULTI_ARG_4_DF2_DI_I1, MULTI_ARG_4_SF2_SI_I, and
5033 MULTI_ARG_4_SF2_SI_I1. Handle CODE_FOR_xop_vpermil2v2df3,
5034 CODE_FOR_xop_vpermil2v4sf3, CODE_FOR_xop_vpermil2v4df3, and
5035 CODE_FOR_xop_vpermil2v8sf3.
5036 * config/i386/i386.md (UNSPEC_VPERMIL2): Declared.
5037 * config/i386/sse.md (xop_vpermil2<mode>3): New insn pattern.
5038 * config/i386/xopintrin.h (_mm_permute2_pd): New.
5039 (_mm256_permute2_pd): New.
5040 (_mm_permute2_ps): New.
5041 (_mm256_permute2_ps): New.
5043 2010-02-15 Nick Clifton <nickc@redhat.com>
5045 * config/h8300/h8300.c (h8300_push_pop): Use bool type for
5046 boolean parameters. Use emit_jump_insn when emitting a pop
5047 instruction containing a return insn.
5048 (push): Use 'true' rather than '1' as second parameter to F.
5049 (h8300_expand_prologue): Likewise.
5050 Use 'true' and 'false' for boolean parameters to h8300_push_pop.
5051 (h8300_expand_epilogue): Likewise.
5053 2010-02-15 Richard Guenther <rguenther@suse.de>
5056 * cgraphunit.c (thunk_adjust): Skip adjusting by fixed_offset
5059 2010-02-15 Nick Clifton <nickc@redhat.com>
5061 * config/mn10300/mn10300.h (FUNCTION_ARG_REGNO_P): Revert previous
5064 2010-02-14 Marco Poletti <poletti.marco@gmail.com>
5066 * intl.c (fake_ngettext): New function.
5067 * intl.h (fake_ngettext): Declare.
5068 (ngettext): Define macro.
5069 * collect2.c (notice_translated): New function.
5070 (main): Use notice_translated and ngettext.
5071 * collect2.h (notice_translated): Declare.
5073 2010-02-14 Steven Bosscher <steven@gcc.gnu.org>
5075 * reorg.c (delete_computation): Comment fixes.
5076 * caller-save.c (setup_save_areas): Idem.
5077 * sel-sched-dump.c (dump_lv_set): Idem.
5080 2010-02-14 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
5082 * config/s390/s390.c (s390_sched_init): New function.
5083 (TARGET_SCHED_INIT): Target hook defined.
5085 2010-02-12 Dave Korn <dave.korn.cygwin@gmail.com>
5086 Jack Howarth <howarth@bromo.med.uc.edu>
5087 Iain Sandoe <iain.sandoe@sandoe-acoustics.co.uk>
5090 Partial revert of unintended change in fix for PR41605.
5091 * config/darwin.h: Fix typo.
5092 * config/darwin9.h: Same.
5094 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5096 * c-pch.c (pch_init): Clear v.
5098 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5101 * graphite-scop-detection.c (graphite_can_represent_scev): Call
5102 graphite_can_represent_init for MULT_EXPR.
5104 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5108 * graphite-sese-to-poly.c (remove_phi): New.
5109 (translate_scalar_reduction_to_array): Call remove_phi.
5111 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5114 * graphite-clast-to-gimple.c (gloog): Call rename_sese_parameters.
5115 * graphite-clast-to-gimple.h (gloog): Update declaration.
5116 * graphite-poly.c (new_scop): Clear POLY_SCOP_P.
5117 * graphite-poly.h (struct poly_bb): Add missing comments.
5118 (struct scop): Add poly_scop_p field.
5120 * graphite-sese-to-poly.c (build_poly_scop): Set POLY_SCOP_P.
5121 * graphite.c (graphite_transform_loops): Build the polyhedral
5122 representation for each scop before code generation.
5123 * sese.c (rename_variables_in_operand): Removed.
5124 (rename_variables_in_expr): Return the renamed expression.
5125 (rename_sese_parameters): New.
5126 * sese.h (rename_sese_parameters): Declared.
5128 2010-02-11 Richard Guenther <rguenther@suse.de>
5130 PR tree-optimization/42998
5131 * tree-ssa-pre.c (create_expression_by_pieces): Treat
5132 POINTER_PLUS_EXPR properly.
5134 2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
5135 Changpeng Fang <changpeng.fang@amd.com>
5138 * tree-ssa-loop-ivopts.c (determine_use_iv_cost_condition): Decrement
5139 the cost of an IV candidate when the IV is used in a test against zero.
5141 * gcc.dg/tree-ssa/ivopts-3.c: New.
5143 2010-02-11 Richard Guenther <rguenther@suse.de>
5146 * tree-ssa-alias.c (refs_may_alias_p_1): Canonicalize
5147 pointer-vs-decl case by swapping refs. Handle some cases
5148 of pointer-vs-decl disambiguations more conservatively.
5149 * cfgexpand.c (gimple_expand_cfg): Set gimple_df->in_ssa_p
5150 to false after expanding.
5152 2010-02-11 Richard Guenther <rguenther@suse.de>
5155 * gcc.c (process_command): Handle LTO file@offset case more
5158 2010-02-11 Jakub Jelinek <jakub@redhat.com>
5160 * reload1.c (eliminate_regs_1): If insn is DEBUG_INSN, avoid any
5161 modifications outside of the DEBUG_INSN. Accept CLOBBERs inside
5163 (eliminate_regs_in_insn): Eliminate regs even in DEBUG_INSNs.
5165 * dwarf2out.c (mem_loc_descriptor) <case MEM>: Use DW_OP_deref_size
5166 if MEM's mode size isn't DWARF2_ADDR_SIZE.
5167 (mem_loc_descriptor) <do_scompare>: Allow also VOIDmode arguments.
5168 Optimize eq/ne comparisons when both arguments are known to be
5170 (mem_loc_descriptor) <do_ucompare>: Allow also VOIDmode arguments.
5171 Don't mask operands unnecessarily if they are known to be already
5174 2010-02-10 Vladimir Makarov <vmakarov@redhat.com>
5176 * ira-conflicts.c (add_insn_allocno_copies): Use find_reg_note
5179 2010-02-10 Richard Guenther <rguenther@suse.de>
5181 PR tree-optimization/43017
5182 * tree-vrp.c (vrp_int_const_binop): Trust int_const_binop
5183 for wrapping signed arithmetic.
5185 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5188 * dwarf2out.c (retry_incomplete_types): Don't call gen_type_die
5189 if no debug info should be emitted for it.
5191 2010-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
5193 * config/sh/sh.c (find_barrier): Skip call insn with a REG_EH_REGION
5194 note when flag_exceptions is set.
5196 2010-02-10 Duncan Sands <baldrick@free.fr>
5198 * Makefile.in (PLUGIN_HEADERS): Add debug.h.
5200 2010-02-10 Richard Guenther <rguenther@suse.de>
5203 * tree.c (get_unwidened): Handle constants.
5204 * convert.c (convert_to_integer): Handle TRUNC_DIV_EXPR.
5206 2010-02-10 Martin Jambor <mjambor@suse.cz>
5209 * ipa-prop.c (ipa_update_after_lto_read): Count parameters and
5210 check for variable argument counts independently.
5212 2010-02-10 Christian Bruel <christian.bruel@st.com>
5215 * config/sh/sh.c (find_barrier): Increase length for non delayed
5216 conditional branches.
5218 2010-02-10 Christian Bruel <christian.bruel@st.com>
5220 * config/sh/sh.c (find_barrier): Don't emit a CP inside the GP setting.
5222 2010-02-10 Jakub Jelinek <jakub@redhat.com>
5224 * builtins.c (set_builtin_user_assembler_name): Also handle
5225 ffs if int is smaller than word.
5227 2010-02-09 Vladimir Makarov <vmakarov@redhat.com>
5230 * ira-conflicts.c (get_dup): Remove.
5231 (process_reg_shuffles): Add new parameter. Use it as an
5232 additional guard for copy generation.
5233 (add_insn_allocno_copies): Rewrite.
5235 2010-02-09 Alexander Monakov <amonakov@ispras.ru>
5237 * common.opt (fsched2-use-traces): Preserved for backward
5239 * doc/invoke.texi: Remove the documentation about option
5240 -fsched2-use-traces.
5241 * sched-rgn.c (rest_of_handle_sched2): Remove usage of
5242 flag_sched2_use_traces.
5243 * opts.c (common_handle_option): Add OPT_fsched2_use_traces to
5244 the backward compatibility flag section.
5246 2010-02-09 Richard Guenther <rguenther@suse.de>
5248 PR tree-optimization/43008
5249 * tree-ssa-structalias.c (handle_lhs_call): Pass in the fndecl,
5250 make HEAP variables initialized from global memory if they
5251 are not known builtin functions.
5252 (find_func_aliases): Adjust.
5254 2010-02-09 Richard Guenther <rguenther@suse.de>
5256 PR tree-optimization/43000
5257 * tree-vrp.c (vrp_int_const_binop): Only handle unsigned
5258 arithmetic manually.
5260 2010-02-08 Jakub Jelinek <jakub@redhat.com>
5262 PR tree-optimization/42931
5263 * tree-loop-linear.c (try_interchange_loops): Don't call
5264 double_int_mul if estimated_loop_iterations failed.
5266 2010-02-08 Martin Jambor <mjambor@suse.cz>
5269 * tree-sra.c (build_accesses_from_assign): Do not mark in
5270 should_scalarize_away_bitmap if stmt has volatile ops.
5271 (sra_modify_assign): Do not process assigns piecemeal if if stmt
5274 2010-02-08 Joern Rennecke <joern.rennecke@embecosm.com>
5276 * doc/tm.texi (TARGET_UNWIND_WORD_MODE): Document.
5278 2010-02-07 Adam Nemet <adambnmet@gmail.com>
5280 * config/mips/mips.md (*<optab>_trunc<mode>_exts): Fix comment
5283 2010-02-07 Andrew Pinski <pinskia@gmail.com>
5286 * df-core.c (df_finish_pass): Change type of saved_flags to int.
5288 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5291 * graphite-dependences.c (dependence_polyhedron): Set PDDR_KIND
5292 to unknown_dependence.
5293 (graphite_legal_transform_dr): Handle the unknown_dependence.
5294 (graphite_carried_dependence_level_k): Same.
5296 2010-02-07 Sebastian Pop <sebastian.pop@amd.com>
5298 * ChangeLog.graphite: Remove testsuite/ or gcc/testsuite/.
5300 2010-02-07 Richard Guenther <rguenther@suse.de>
5303 * expr.c (get_inner_reference): Always initialize *pbitsize.
5305 2010-02-07 Richard Guenther <rguenther@suse.de>
5308 * gimplify.c (gimple_fold_indirect_ref): Avoid generating
5309 new ARRAY_REFs on variable size element or minimal index arrays.
5311 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Use
5312 gimple_fold_indirect_ref.
5314 2010-02-06 Richard Earnshaw <rearnsha@arm.com>
5317 * arm.c (arm_override_options): Just return if the user has specified
5318 an invalid fpu name.
5320 2010-02-03 Jason Merrill <jason@redhat.com>
5323 * config/i386/cygming.h (ASM_OUTPUT_DEF_FROM_DECLS): Call
5324 i386_pe_maybe_record_exported_symbol.
5326 2010-02-05 Steve Ellcey <sje@cup.hp.com>
5329 * config/pa/pa.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5330 (pa_delegitimize_address): New function.
5332 2010-02-05 Ozkan Sezer <sezeroz@gmail.com>
5334 * config/i386/msformat-c.c (ms_printf_length_specs): Set the
5335 scalar_identity_flag for the size_t/ptrdiff_t %Id and %Iu specs.
5337 2010-02-05 Richard Guenther <rguenther@suse.de>
5340 * lto-streamer-in.c (get_resolution): Deal with references
5341 to undefined functions.
5343 2010-02-05 Richard Guenther <rguenther@suse.de>
5345 * tree-ssa-ccp.c (get_symbol_constant_value): Strip all conversions.
5346 (fold_const_aggregate_ref): Likewise.
5347 (ccp_fold_stmt): Substitute loads.
5348 (maybe_fold_reference): Verify types before substituting.
5350 (fold_gimple_assign): Unshare properly.
5351 (fold_stmt_1): Insert conversion if necessary before replacing the RHS.
5353 2010-02-05 Nathan Froyd <froydnj@codesourcery.com>
5355 * config/rs6000/rs6000.c (rs6000_override_options): Invert check
5356 for rs6000_gen_cell_microcode.
5358 2010-02-04 Richard Guenther <rguenther@suse.de>
5360 PR rtl-optimization/42952
5361 * dse.c (const_or_frame_p): Remove MEM handling.
5363 2010-02-04 Nick Clifton <nickc@redhat.com>
5365 * config/mn10300/mn10300.c (TARGET_ASM_OUTPUT_MI_THUNK): Define.
5366 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Define.
5367 (function_arg): Use NULL_RTX and FIRST_ARGUMENT_REGNUM.
5368 (mn10300_asm_output_mi_thunk): New function.
5369 (mn10300_can_output_mu_thunk): New function.
5370 * config/mn10300/mn10300.h (FIRST_ARGUMENT_REGNUM): Define.
5371 (FUNCTION_ARG_REGNO_P): Fix comment. Accept d0 and d1.
5372 (FUNCTION_ARG): Delete incorrect comment.
5374 2010-02-03 Jason Merrill <jason@redhat.com>
5377 * fold-const.c (operand_equal_p): Handle erroneous types.
5379 2010-02-03 Kaushik Phatak <kaushik.phatak@kpitcummins.com>
5381 * config/h8300/h8300.md (can_delay): Fix attibute condition.
5383 2010-02-03 Vladimir Makarov <vmakarov@redhat.com>
5385 PR rtl-optimization/42941
5386 * sched-deps.c (setup_insn_reg_pressure_info): Use xcalloc instead
5389 2010-02-03 Jason Merrill <jason@redhat.com>
5392 * builtins.c (c_strlen): Use EXPR_LOCATION in diagnostics.
5394 2010-02-03 Alexandre Oliva <aoliva@redhat.com>
5397 * cselib.h (struct cselib_val_struct): Add uid. Rename value to hash.
5398 (cselib_reset_table): Renamed from...
5399 (cselib_reset_table_with_next_value): ... this.
5400 (cselib_get_next_uid): Renamed from...
5401 (cselib_get_next_unknown_value): ... this.
5402 * cselib.c (next_uid): Renamed from...
5403 (next_unknown_value): ... this.
5404 (cselib_clear_table): Adjust.
5405 (cselib_reset_table): Adjust. Renamed from...
5406 (cselib_reset_table_with_next_value): ... this.
5407 (cselib_get_next_uid): Adjust. Renamed from...
5408 (cselib_get_next_unknown_value): ... this.
5409 (get_value_hash): Use hash.
5410 (cselib_hash_rtx): Likewise.
5411 (new_cselib_val): Adjust. Set and dump uid.
5412 (cselib_lookup_mem): Pass next_uid as hash.
5413 (cselib_subst_to_values): Likewise.
5414 (cselib_log_lookup): Dump uid.
5415 (cselib_lookup): Pass next_uid as hash. Adjust.
5416 (cselib_process_insn): Adjust.
5417 (cselib_init): Initialize next_uid.
5418 (cselib_finish): Adjust.
5419 (dump_cselib_table): Likewise.
5420 * dse.c (canon_address): Dump value uid.
5421 * print-rtl.c (print_rtx): Print value uid.
5422 * var-tracking.c (VARIABLE_HASH_VAL): Dropped.
5424 (dv_uid): New function, sort of renamed from...
5425 (dv_htab_hash): ... this, reimplemented in terms of it and...
5426 (dv_uid2hash): ... this. New.
5427 (variable_htab_eq): Drop excess assertions.
5428 (tie_break_pointers): Removed.
5429 (canon_value_cmp): Compare uids.
5430 (variable_post_merge_New_vals): Print uids.
5431 (vt_add_function_parameters): Adjust.
5432 (vt_initialize): Reset table. Adjust.
5434 2010-02-03 Richard Guenther <rguenther@suse.de>
5436 PR tree-optimization/42944
5437 * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle calloc.
5438 (call_may_clobber_ref_p_1): Likewise. Properly handle
5439 malloc and calloc clobbering errno.
5441 2010-02-03 Steven Bosscher <steven@gcc.gnu.org>
5443 * doc/invoke.texi: Fix name of sched1 dump.
5445 * opts.c (decode_options): Set flag_tree_switch_conversion
5446 only conditionally on optimize >= 2.
5448 * gcse.c: Assorted comment fixes in pass description.
5450 2010-02-03 Anthony Green <green@moxielogic.com>
5452 * config/moxie/moxie.c (moxie_asm_trampoline_template): Introduce
5453 nop padding in order to maintain alignment of storage location of
5454 target function address.
5455 (moxie_trampoline_init): Store target function address at newly
5457 * config/moxie/moxie.h (TRAMPOLINE_ALIGNMENT): Increase alignment
5459 (TRAMPOLINE_SIZE): Increase size by 2 bytes for alignment padding.
5461 2010-02-03 Richard Guenther <rguenther@suse.de>
5464 * tree-cfg.c (verify_gimple_assign_binary): Fix shift verification.
5466 2010-02-03 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5468 * config.gcc: Reenable check for obsolete targets.
5469 Obsolete alpha*-dec-osf4*, alpha*-dec-osf5.0*, mips-sgi-irix5*,
5470 mips-sgi-irix6.[0-4]*.
5472 2010-02-02 Nick Clifton <nickc@redhat.com>
5474 * config/rx/rx.c (rx_is_legitimate_constant): Treat a maximum
5475 constant size of 4 as being the same as 0.
5476 * doc/invoke.texi (RX Options): Document that -mmax-constant-size
5477 can take values in the range 0..4.
5479 2010-02-02 Jack Howarth <howarth@bromo.med.uc.edu>
5482 * unwind-dw2-fde-darwin.c: Re-export _Unwind_FindEnclosingFunction()
5483 as _darwin10_Unwind_FindEnclosingFunction().
5484 * libgcc-libsystem.ver: New.
5486 2010-02-01 Vladimir Makarov <vmakarov@redhat.com>
5489 * sched-deps.c (sched_analyze_insn): Ignore fixed registers for
5490 implicitly set registers.
5492 2010-02-01 Richard Earnshaw <rearnsha@arm.com>
5494 * arm.c (FL_FOR_ARCH_7A): is also a superset of ARMv6K.
5495 (arm_override_options): Allow automatic selection of the thread
5496 pointer register if thumb2.
5497 (legitimize_pic_address): Improve code sequences for Thumb2.
5498 (arm_call_tls_get_addr): Likewise.
5499 (legitimize_tls_address): Likewise.
5500 * arm.md (pic_load_addr_arm): Delete. Replace with ...
5501 (pic_load_addr_32bit): ... this. New named pattern.
5502 * thumb2.md (pic_load_addr_thumb2): Delete.
5503 (pic_load_dot_plus_four): Delete.
5504 (tls_load_dot_plus_four): New named pattern.
5506 2010-02-01 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5509 * doc/install.texi (Specific): Add sparc-sun-solaris2.10 entry.
5510 Document fix for TLS bug.
5512 2010-01-31 Richard Guenther <rguenther@suse.de>
5514 * tree-sra.c (ptr_parm_has_direct_uses): Rewrite to be
5515 conservatively correct.
5517 2010-01-31 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5521 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5523 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
5525 2010-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5527 * doc/install.texi: Update recommended GMP/MPFR/MPC versions.
5529 2010-01-31 Kai Tietz <kai.tietz@onevision.com>
5531 * config.gcc: Adjust order of makefile fragments for mingw targets.
5533 2010-01-31 Richard Guenther <rguenther@suse.de>
5536 * gimplify.c (gimplify_init_constructor): For volatile LHS
5537 initialize a temporary.
5539 2010-01-31 Matthias Klose <doko@ubuntu.com>
5541 * configure.ac: Fix __stack_chk_fail check for cross builds configured
5543 * configure: Regenerate.
5545 2010-01-29 Eric Botcazou <ebotcazou@adacore.com>
5547 * tree-ssa-alias.c (same_type_for_tbaa): Return -1 if the types have
5548 the same alias set and their sizes different constantness.
5549 (aliasing_component_refs_p): Revert 2009-10-24 change.
5551 2010-01-29 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5553 * config/sparc/sparc.c (sparc_elf_asm_named_section): Declare decl
5556 2010-01-29 Richard Guenther <rguenther@suse.de>
5558 * tree-ssa-ccp.c (ccp_fold_stmt): Unshare values we substitute.
5559 Assert we successfully updated the call.
5561 2010-01-29 Jakub Jelinek <jakub@redhat.com>
5563 PR rtl-optimization/42889
5564 * df.h (df_set_bb_dirty_nonlr): New prototype.
5565 * df-core.c (df_set_bb_dirty_nonlr): New function.
5566 * df-scan.c (df_insn_rescan): Call it instead of
5567 df_set_bb_dirty for DEBUG_INSNs.
5569 2010-01-29 Richard Guenther <rguenther@suse.de>
5572 * ipa-inline.c (cgraph_decide_inlining_incrementally): Avoid
5573 quadratic behavior in most cases.
5575 2010-01-28 Uros Bizjak <ubizjak@gmail.com>
5578 * config/i386/i386.c (ix86_expand_int_movcc): Convert tmp to SImode
5579 in the call to gen_x86_movsicc_0_m1.
5581 2010-01-28 Richard Guenther <rguenther@suse.de>
5583 PR tree-optimization/42871
5584 * tree-ssa-pre.c (phi_translate_set): Make sure to retain leaders.
5586 2010-01-28 Richard Guenther <rguenther@suse.de>
5588 * tree-ssa-ccp.c (ccp_fold_stmt): Fold calls and propagate
5589 into call arguments.
5591 2010-01-28 Richard Guenther <rguenther@suse.de>
5594 * tree-cfgcleanup.c (remove_forwarder_block): Do not remove
5595 the forwarder if the destination is an EH landing pad.
5597 2010-01-28 Razya Ladelsky <razya@il.ibm.com>
5599 * tree-parloops.c (transform_to_exit_first_loop): Update the basic
5600 block list passed to gimple_duplicate_sese_tail.
5601 (parallelize_loops): Avoid parallelization when the function
5603 Avoid parallelization when the preheader is IRREDUCIBLE.
5604 Try to optimize when estimated_loop_iterations_int is unresolved.
5605 Add the loop's location to the dump file.
5606 * tree-cfg.c (add_phi_args_after_redirect): Remove.
5607 (gimple_duplicate_sese_tail): Remove the check for the latch.
5608 Redirect nexits to the exit block.
5609 Remove handling of the incoming edges to the latch.
5610 Redirect the backedge from the copied latch to the exit bb.
5612 2010-01-28 Michael Matz <matz@suse.de>
5615 * config/i386/i386.c (ix86_expand_vector_init_duplicate):
5616 Wrap force_reg into a sequence, emit it before user.
5618 2010-01-28 Stephen Thomas <stephen.thomas@arm.com>
5620 * config/arm/arm.md (bswapsi2): Add support for bswapsi2.
5622 (arm_legacy_rev): Likewise.
5623 (thumb_legacy_rev): Likewise.
5625 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5627 * dwarf2out.c (mem_loc_descriptor): Remove special casing of
5628 CONSTANT_POOL_ADDRESS_P SYMBOL_REFs. If for MEM recursive call
5629 on MEM's address failed, try avoid_constant_pool_reference and
5630 recurse if it returned something different.
5631 (loc_descriptor): If for MEM mem_loc_descriptor failed on the
5632 address, try avoid_constant_pool_reference and recurse if it
5633 returned something different.
5634 (dw_loc_list_1): If for MEM mem_loc_descriptor failed on the
5635 address and avoid_constant_pool_reference returned something
5636 different, don't set have_address.
5638 2010-01-27 Alexandre Oliva <aoliva@redhat.com>
5641 * var-tracking.c (val_store): Add modified argument, obey it.
5643 (count_uses): Move down logging of main.
5644 (compute_bb_dataflow): Use val_store for MO_VAL_USEs that
5645 don't need resolution.
5646 (emit_notes_in_bb): Likewise.
5648 2010-01-27 Richard Guenther <rguenther@suse.de>
5651 * tree-inline.c (remap_decl): Delay remapping of SSA name
5652 default definitions until we need them.
5654 2010-01-27 Jakub Jelinek <jakub@redhat.com>
5656 * config/rs6000/rs6000.c (TARGET_DELEGITIMIZE_ADDRESS): Redefine.
5657 (rs6000_delegitimize_address): New function.
5659 * config/s390/s390.c (s390_delegitimize_address): Call
5660 delegitimize_mem_from_attrs.
5663 * tree-inline.c (cannot_copy_type_1): Removed.
5664 (copy_forbidden): Don't forbid copying of functions containing
5665 records/unions with variable length fields.
5667 2010-01-27 Christian Bruel <christian.bruel@st.com>
5671 * config/sh/sh.c (find_barrier): Increase length for non delayed
5672 conditional branches.
5674 2010-01-27 Matthias Klose <doko@ubuntu.com>
5676 * configure.ac (gnu-unique-object): Fix ldd version check.
5677 * configure: Regenerate.
5679 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5681 * config/sparc/sparc.c (sparc_elf_asm_named_section): Test for
5683 * config/sparc/sysv4.h [HAVE_GNU_AS] (TARGET_ASM_NAMED_SECTION):
5684 Test for HAVE_GNU_AS value.
5686 2010-01-26 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
5688 * config.gcc (mips-sgi-irix[56]*): Set use_gcc_stdint.
5689 * config/mips/iris.h (INT8_TYPE, INT16_TYPE, INT32_TYPE,
5690 INT64_TYPE): Define.
5691 (UINT8_TYPE, UINT16_TYPE, UINT32_TYPE, UINT64_TYPE): Define.
5692 (INT_LEAST8_TYPE, INT_LEAST16_TYPE, INT_LEAST32_TYPE,
5693 INT_LEAST64_TYPE): Define.
5694 (UINT_LEAST8_TYPE, UINT_LEAST16_TYPE, UINT_LEAST32_TYPE,
5695 UINT_LEAST64_TYPE): Define.
5696 (INT_FAST8_TYPE, INT_FAST16_TYPE, INT_FAST32_TYPE)
5697 INT_FAST64_TYPE): Define.
5698 (UINT_FAST8_TYPE, UINT_FAST16_TYPE, UINT_FAST32_TYPE,
5699 UINT_FAST64_TYPE): Define.
5700 (INTMAX_TYPE, UINTMAX_TYPE): Define.
5701 (INTPTR_TYPE, UINTPTR_TYPE): Define.
5702 (SIG_ATOMIC_TYPE): Define.
5704 2010-01-26 Richard Guenther <rguenther@suse.de>
5706 * df-scan.c (df_scan_set_bb_info): Remove assert.
5707 (df_insn_rescan_debug_internal): Merge asserts.
5708 (df_install_ref): Likewise.
5709 (df_mark_reg): Use bitmap_set_range.
5710 (df_hard_reg_used_p): Remove assert.
5711 (df_hard_reg_used_count): Likewise.
5713 2010-01-26 Richard Guenther <rguenther@suse.de>
5715 PR rtl-optimization/42685
5716 * web.c (web_main): Ignore DEBUG_INSNs.
5718 2010-01-26 Joern Rennecke <amylaar@spamcop.net>
5720 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Explain arguments.
5722 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Add loc parameter.
5723 Fix types of fndecl and arglist parameters.
5725 2010-01-26 Richard Guenther <rguenther@suse.de>
5728 * tree-eh.c (unsplit_eh): Skip debug insns.
5730 2010-01-26 Richard Guenther <rguenther@suse.de>
5732 PR tree-optimization/42250
5733 * ipa-type-escape.c (type_escape_execute): Do not analyze clones.
5735 2010-01-26 Jakub Jelinek <jakub@redhat.com>
5738 * omp-low.c (expand_omp_sections): Only use single_pred if
5739 l2_bb is single_pred_p.
5741 2010-01-25 Christian Bruel <christian.bruel@st.com>
5744 * config/sh/sh.c (find_barrier): Increase length for non delayed
5745 conditional branches.
5746 (sh_insn_length_adjustment): Use JUMP_TABLE_DATA_P.
5748 2010-01-24 David S. Miller <davem@davemloft.net>
5750 * config/sparc/sysv4.h (TARGET_ASM_NAMED_SECTION): Only
5751 define if not using GAS.
5752 * config/sparc/sparc.c (sparc_elf_asm_named_section):
5753 Likewise. Delete SECTION_MERGE code, which is only applicable
5756 2010-01-24 Mark Mitchell <mark@codesourcery.com>
5759 * config/arm/arm.c (arm_mangle_type): Do not warn about changes to
5760 mangling of va_list in system headers.
5762 2010-01-23 Toon Moene <toon@moene.org>
5764 * tree-predcom.c (combine_chains): Return NULL, not false.
5766 2010-01-23 Joern Rennecke <amylaar@spamcop.net>
5768 * tree-loop-distribution.c (distribute_loop): Fix declaration and
5769 initialization of variable res to agree with return type.
5771 2010-01-22 Steve Ellcey <sje@cup.hp.com>
5773 * Makefile.in (tree-sra.o): Add $(EXPR_H) dependency.
5774 * tree-sra.c: Add include of expr.h.
5776 2010-01-22 Jakub Jelinek <jakub@redhat.com>
5778 * tree-into-ssa.c (maybe_register_def): If stmt ends the bb,
5779 insert the debug stmt on the single non-EH edge from the stmt.
5781 2010-01-22 Richard Henderson <rth@redhat.com>
5784 * tree-sra.c (sra_modify_assign): Delay re-gimplification of
5785 the RHS until after generate_subtree_copies has insertted its
5786 code before the current statement.
5788 2010-01-22 Joern Rennecke <amylaar@spamcop.net>
5790 * doc/tm.texi (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): Fix return type.
5792 * gcc-plugin.h (plugin_init): Use "C" likage for c++.
5794 2010-01-21 Martin Jambor <mjambor@suse.cz>
5796 PR tree-optimization/42585
5797 * tree-sra.c (struct access): New field grp_total_scalarization.
5798 (dump_access): Dump the new field.
5799 (should_scalarize_away_bitmap): New variable.
5800 (cannot_scalarize_away_bitmap): Likewise.
5801 (sra_initialize): Allocate new bitmaps.
5802 (sra_deinitialize): Free new bitmaps.
5803 (create_access_1): New function.
5804 (create_access): Parts moved to create_access_1.
5805 (type_consists_of_records_p): New function.
5806 (completely_scalarize_record): Likewise.
5807 (build_access_from_expr): Set bit in cannot_scalarize_away_bitmap.
5808 (build_accesses_from_assign): Set bits in should_scalarize_away_bitmap.
5809 (sort_and_splice_var_accesses): Hint groups with a total_scalarization
5811 (analyze_all_variable_accesses): Completely scalarize small eligible
5814 2010-01-21 Martin Jambor <mjambor@suse.cz>
5816 * tree-sra.c (build_ref_for_offset_1): Allow for zero size fields.
5818 2010-01-21 Andrew Haley <aph@redhat.com>
5820 * gcc.c (process_command): Move lang_specific_driver before
5821 setting cc_libexec_prefix.
5823 2010-01-21 Richard Guenther <rguenther@suse.de>
5826 * fold-const.c (negate_expr_p): Pretend only negative
5827 real constants are easily negatable.
5829 2010-01-20 Janis Johnson <janis187@us.ibm.com>
5830 Jason Merrill <jason@redhat.com>
5832 * tree.h (TYPE_TRANSPARENT_UNION): Replace with ...
5833 (TYPE_TRANSPARENT_AGGR): this, for union and record.
5834 * calls.c (initialize argument_information): Handle it.
5835 * c-common.c (handle_transparent_union_attribute): Use new name.
5836 * c-decl.c (finish_struct): Ditto.
5837 * c-typeck.c (type_lists_compatible_p): Ditto.
5838 (convert_for_assignment): Use new name and also handle record.
5839 * function.c (aggregate_value_p): Handle it.
5840 (pass_by_reference): Ditto.
5841 (assign_parm_data_types): Ditto.
5842 * print-tree.c (print_node): Ditto.
5843 * lto-streamer-in.c (unpack_ts_type_value_fields): Ditto.
5844 * lto-streamer-out.c (pack_ts_type_value_fields): Ditto.
5845 * tree.c (first_field): New fn.
5847 2010-01-21 Dave Korn <dave.korn.cygwin@gmail.com>
5850 * config/i386/cygwin.h (CXX_WRAP_SPEC_LIST): Always apply wrappers,
5851 even when linking statically, for now.
5853 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5856 * var-tracking.c (use_type): Choose MO_VAL_SET for REGs set
5857 without a cselib val.
5858 (count_uses): Accept MO_VAL_SET with no val on stores.
5859 (add_stores): Likewise.
5861 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5863 * var-tracking.c (check_value_val): Add a compile time assertion.
5864 (dv_is_decl_p): Simplify.
5865 (dv_as_decl, dv_as_value, dv_from_decl, dv_from_value): Only use
5866 gcc_assert if ENABLE_CHECKING.
5868 2010-01-20 Alexandre Oliva <aoliva@redhat.com>
5871 * var-tracking.c: Include tree-flow.h.
5872 (mem_dies_at_call): New.
5873 (dataflow_set_preserve_mem_locs): Use it.
5874 (dataflow_set_remove_mem_locs): Likewise.
5875 (dump_var): Renamed from dump_variable. Adjust all callers.
5876 (dump_var_slot): Renamed from dump_variable_slot. Likewise.
5877 * Makefile.in (var-tracking.o): Adjust deps.
5879 2010-01-20 Joern Rennecke <amylaar@spamcop.net>
5881 * doc/tm.texi (TARGET_SCHED_SET_SCHED_FLAGS): Fix argument list.
5883 2010-01-20 Richard Guenther <rguenther@suse.de>
5885 PR tree-optimization/42717
5886 * tree-ssa-dce.c (get_live_post_dom): Remove.
5887 (forward_edge_to_pdom): Take an arbitrary edge to copy
5888 degenerate PHI args from.
5889 (remove_dead_stmt): Use the first post-dominator even if it
5890 does not contain live statements as redirection destination.
5892 2010-01-20 Richard Guenther <rguenther@suse.de>
5894 * tree-inline.c (estimate_num_insns): Handle EH builtins.
5896 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5898 * sel-sched.c (create_speculation_check): Remove set but not used
5900 (try_transformation_cache): Remove set but not used variable ds.
5901 (calculate_privileged_insns): Remove set but not used variables
5902 cur_insn and min_spec_insn.
5903 (find_best_expr): Remove set but not used variable avail_n.
5904 * tree-predcom.c (base_names_in_chain_on): Remove set but not used
5906 * cgraphunit.c (assemble_thunk): Remove set but not used variable
5908 * haifa-sched.c (remove_notes): Remove set but not used variable prev.
5909 * graphite-clast-to-gimple.c (gloog): Remove set but not used variable
5912 2010-01-20 Felyza Wishbringer <fwishbringer@gmail.com>
5915 * config.gcc (i[34567]86-*-*): Fix handling of athlon64 and athlon-fx
5916 cpu types. Add support for *-sse3 cpu types.
5917 (x86_64-*-*): Ditto.
5919 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5922 * varasm.c (narrowing_initializer_constant_valid_p): Add CACHE
5923 argument, call initializer_constant_valid_p_1 instead of
5924 initializer_constant_valid_p, pass CACHE to it, return NULL
5925 immediately if first call returns NULL.
5926 (initializer_constant_valid_p_1): New function.
5927 (initializer_constant_valid_p): Use it.
5929 2010-01-20 Thomas Quinot <quinot@adacore.com>
5931 * tree.def (PLACEHOLDER_EXPR): Fix comment.
5933 2010-01-20 Jakub Jelinek <jakub@redhat.com>
5935 * dwarf2out.c (mem_loc_descriptor): Use DW_OP_mod for UMOD instead
5936 of MOD, handle MOD using DW_OP_{over,over,div,mul,minus}.
5937 (loc_list_from_tree): Don't handle unsigned division. Handle
5938 signed modulo using DW_OP_{over,over,div,mul,minus}.
5939 * unwind-dw2.c (execute_stack_op): Handle DW_OP_mod using unsigned
5940 modulo instead of signed.
5942 2010-01-20 DJ Delorie <dj@redhat.com>
5944 * config/h8300/h8300.c (F): Add "in_epilogue" flag.
5946 (h8300_emit_stack_adjustment): Propogate it.
5948 (h8300_expand_prologue): Likewise.
5949 (h8300_expand_epilogue): Likewise.
5951 2010-01-19 Michael Matz <matz@suse.de>
5953 PR tree-optimization/41783
5954 * tree-data-ref.c (toplevel): Include flags.h.
5955 (dump_data_dependence_relation): Also dump the inputs if the
5956 result will be unknown.
5957 (split_constant_offset_1): Look through some conversions.
5958 * tree-predcom.c (determine_roots_comp): Restart a new chain if
5959 the offset from last element is too large.
5960 (ref_at_iteration): Deal also with MISALIGNED_INDIRECT_REF.
5961 (reassociate_to_the_same_stmt): Handle vector registers.
5962 * tree-vect-data-refs.c (vect_equal_offsets): Handle unary operations
5964 * tree-vect-loop-manip.c (vect_gen_niters_for_prolog_loop): Add
5965 wide_prolog_niters argument, emit widening instructions.
5966 (vect_do_peeling_for_alignment): Adjust caller, use widened
5967 variant of the iteration cound.
5968 * Makefile.in (tree-data-ref.o): Add $(FLAGS_H).
5970 2010-01-19 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com>
5973 * config/arm/neon-testgen.m (emit_automatics): New parameter
5974 features. Adjust for Fixed_return_reg feature.
5975 (test_intrinsic): Call emit_automatics with new feature.
5976 * config/arm/neon.ml: Update copyright years.
5977 (features): New Fixed_return_reg feature.
5978 (ops): Update feature for Vget_low.
5980 2010-01-19 Jakub Jelinek <jakub@redhat.com>
5982 PR tree-optimization/42719
5983 * tree-outof-ssa.c (trivially_conflicts_p): Don't consider debug
5987 * fwprop.c (all_uses_available_at): Return false if def_set dest
5988 is a REG that is used in def_insn.
5990 2010-01-19 Joern Rennecke <amylaar@spamcop.net>
5992 * doc/tm.texi (TARGET_FIXED_CONDITION_CODE_REGS): Add argument names.
5994 (TARGET_CC_MODES_COMPATIBLE): Put return value in braces.
5997 (TARGET_SCHED_INIT_SCHED_CONTEXT): Clarify language.
5999 * target.h (struct gcc_target) <secondary_reload>: Change type
6000 of last argument to secondary_reload_info *.
6002 2010-01-18 Uros Bizjak <ubizjak@gmail.com>
6005 * config/alpha/predicates.md (aligned_memory_operand): Return 0 for
6006 memory references with unaligned offsets. Remove CQImode handling.
6007 (unaligned_memory_operand): Return 1 for memory references with
6008 unaligned offsets. Remove CQImode handling.
6010 2010-01-18 Richard Guenther <rguenther@suse.de>
6013 * cfgexpand.c (expand_call_stmt): TER pointer arguments in
6016 2010-01-18 Richard Guenther <rguenther@suse.de>
6018 PR tree-optimization/42781
6019 * tree-ssa-structalias.c (find_what_var_points_to): Skip
6020 restrict processing only if the original variable was artificial.
6022 2010-01-18 Joern Rennecke <amylaar@spamcop.net>
6024 * doc/tm.texi (TARGET_ASM_FUNCTION_EPILOGUE): Update text on where to
6025 find number of popped argument bytes.
6027 (TARGET_INVALID_WITHIN_DOLOOP): Put return value in braces.
6028 Fix the text that describes the return value for invalid insns.
6030 (TARGET_SCHED_NEEDS_BLOCK_P): Fix return type. Fix argument list.
6032 (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Fix argument types.
6033 Clarify what 'cost of the -dependence' is. Fix quoting.
6035 * toplev.c (default_get_pch_validity): Rename argument to "sz".
6036 * doc/tm.texi (TARGET_GET_PCH_VALIDITY): Likewise.
6038 2010-01-17 Jakub Jelinek <jakub@redhat.com>
6040 * dwarf2out.c (mem_loc_descriptor): Don't ICE on
6041 {S,U}S_{PLUS,MINUS,NEG,ABS,ASHIFT}.
6043 2010-01-17 Richard Guenther <rguenther@suse.de>
6046 * function.c (split_complex_args): Take a VEC to modify.
6047 (assign_parms_augmented_arg_list): Build a VEC instead of
6048 a chain of PARM_DECLs.
6049 (assign_parms_unsplit_complex): Take a VEC of arguments.
6050 Do not fixup unmodified parms.
6051 (assign_parms): Deal with the VEC.
6052 (gimplify_parameters): Likewise.
6054 2010-01-17 Richard Guenther <rguenther@suse.de>
6056 * tree-ssa-uncprop.c (uncprop_into_successor_phis): Fix PHI
6057 node existence check.
6058 * tree-vect-loop.c (vect_analyze_loop_form): Likewise.
6059 * tree-cfgcleanup.c (merge_phi_nodes): Likewise.
6060 * tree-ssa-dce.c (forward_edge_to_pdom): Likewise.
6061 * tree-cfg.c (gimple_execute_on_growing_pred): Likewise.
6062 (gimple_execute_on_growing_pred): Likewise.
6064 2010-01-17 Richard Guenther <rguenther@suse.de>
6066 PR tree-optimization/42773
6067 * tree-ssa-pre.c (phi_translate_set): Fix check for PHI node existence.
6068 (compute_antic_aux): Likewise.
6069 (compute_partial_antic_aux): Likewise.
6071 2010-01-17 Jie Zhang <jie.zhang@analog.com>
6074 * dwarf2out.c (mem_loc_descriptor): Handle SS_TRUNCATE
6077 2010-01-17 Joern Rennecke <amylaar@spamcop.net>
6079 * doc/tm.texi (TARGET_INIT_LIBFUNCS): Put @findex entries in order of
6082 (TARGET_LEGITIMATE_ADDRESS_P): Add return type.
6083 Fix markup for strict argument.
6085 (TARGET_SCHED_REORDER2): Fix argument types.
6087 (TARGET_SCHED_DFA_PRE_CYCLE_INSN): Fix return type.
6088 (TARGET_SCHED_DFA_POST_CYCLE_INSN): Likewise.
6090 (TARGET_SCHED_DFA_PRE_ADVANCE_CYCLE): Fix name.
6091 (TARGET_SCHED_DFA_POST_ADVANCE_CYCLE): Likewise.
6093 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD):
6096 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Remove duplicate documentation.
6097 (TARGET_SCHED_INIT_SCHED_CONTEXT): Likewise.
6098 (TARGET_SCHED_SET_SCHED_CONTEXT): Likewise.
6099 (TARGET_SCHED_CLEAR_SCHED_CONTEXT): Likewise.
6100 (TARGET_SCHED_FREE_SCHED_CONTEXT): Likewise.
6102 (TARGET_SCHED_SET_SCHED_CONTEXT): Fix typo.
6104 (TARGET_SCHED_GEN_SPEC_CHECK): Fix name.
6106 (TARGET_ASM_RELOC_RW_MASK): Add return type.
6107 (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Fix return type.
6109 (TARGET_STRIP_NAME_ENCODING): Fix markup of return type and parameter.
6111 (TARGET_ASM_FILE_START): Put @findex before paragraph start.
6114 (TARGET_ASM_NAMED_SECTION): Fix argument list.
6116 (TARGET_HAVE_NAMED_SECTIONS): Use @deftypevr.
6117 (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Likewise.
6119 (TARGET_ASM_RECORD_GCC_SWITCHES_SECTION): Use @deftypevr.
6121 (TARGET_ASM_ASSEMBLE_VISIBILITY): Fix argument types.
6123 (TARGET_ASM_MARK_DECL_PRESERVED): Fix argument and markup
6124 referring to it. Fix language.
6126 (TARGET_HAVE_CTORS_DTORS): Use @deftypevr.
6128 (TARGET_ASM_FINAL_POSTSCAN_INSN): Adjust name of first argument.
6130 (TARGET_ASM_EMIT_UNWIND_LABEL): Add argument types.
6132 (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Add type to argument.
6134 (TARGET_UNWIND_EMIT): Remove space between 'FILE *' and
6135 '@var{stream}. Remove stray 'and'.
6137 (TARGET_ARM_EABI_UNWINDER): Use @deftypevr.
6139 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Adjust name of first argument.
6141 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Add missing article.
6143 (TARGET_OPTION_VALID_ATTRIBUTE_P): Fix name, it was
6144 misspelled as TARGET_VALID_OPTION_ATTRIBUTE_P.
6146 (TARGET_GET_PCH_VALIDITY): Put 'void *' in braces.
6147 Fix description of return value.
6148 Rename argument "sz" to "len."
6150 (TARGET_CXX_GUARD_MASK_BIT): Add missing article.
6151 Clarify meaning of 'true' return value.
6153 (TARGET_SHIFT_TRUNCATION_MASK): Fix return type.
6155 (TARGET_MODE_REP_EXTENDED): Fix two inconsisent uses of
6156 rep_mode versus mode_rep.
6158 (TARGET_HANDLE_PRAGMA_EXTERN_PREFIX): Document.
6160 (TARGET_BUILTIN_DECL): Fix name.
6162 (TARGET_COMMUTATIVE_P): Fix type of first argument.
6164 (TARGET_SET_CURRENT_FUNCTION): Mention possibility of cfun being NULL.
6166 (TARGET_BRANCH_TARGET_REGISTER_CLASS): Fix return type.
6168 (TARGET_USE_LOCAL_THUNK_ALIAS_P): Document as macro instead of hook.
6170 (TARGET_RELAXED_ORDERING): Use @deftypevr.
6172 (TARGET_GET_DRAP_RTX): Note that this is a hook.
6175 (TARGET_BUILTIN_RECIPROCAL): Fix argument types.
6176 Rename argument tm_fn to md_fn.
6178 (TARGET_OPTION_PRINT): Fix argument list.
6180 2010-01-16 Harsha Jagasia <harsha.jagasia@amd.com>
6183 * config/i386/i386.c (ix86_fixup_binary_operands):
6184 Revert FMA4 fixup of operands.
6186 2010-01-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6189 * Makefile.in (write_entries_to_file, install-plugin):
6190 Use \012 instead of \n with tr.
6192 2010-01-16 Richard Sandiford <r.sandiford@uk.ibm.com>
6194 * configure.ac (HAVE_AS_REF): New C macro.
6195 * configure: Regenerate.
6196 * config.in: Likewise.
6197 * collect2.c (main): Only postpone SCAN_DWEH to the second pass
6199 * config/rs6000/aix.h (ASM_OUTPUT_DWARF_TABLE_REF): Only define
6202 2010-01-16 Joern Rennecke <amylaar@spamcop.net>
6204 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Fix argument types.
6206 (TARGET_SUPPORT_VECTOR_MISALIGNMENT): Fix argument types.
6208 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Fix argument types.
6210 (TARGET_SCHED_ALLOC_SCHED_CONTEXT): Put 'void *' in braces.
6212 (TARGET_IN_SMALL_DATA_P): Fix argument type.
6214 (TARGET_BINDS_LOCAL_P): Fix argument type.
6216 (TARGET_ASM_FILE_END): Use prototype.
6218 (TARGET_ASM_RECORD_GCC_SWITCHES): Don't put 'int' in braces.
6220 (TARGET_DWARF_CALLING_CONVENTION): Fix argument type.
6222 (TARGET_COMP_TYPE_ATTRIBUTES): Fix argument types.
6224 (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Fix argument type.
6226 (TARGET_EMUTLS_VAR_ALIGN_FIXED): Don't put 'bool' in braces.
6227 (TARGET_EMUTLS_DEBUG_FORM_TLS_ADDRESS): Likewise.
6229 (TARGET_PCH_VALID_P): Put 'const char *' in braces.
6230 (TARGET_CHECK_PCH_TARGET_FLAGS): Likewise.
6232 (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Don't put 'bool' in braces.
6233 (TARGET_ADDR_SPACE_SUBSET_P): Likewise.
6234 (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Don't put 'rtx' in braces.
6235 (TARGET_ADDR_SPACE_CONVERT): Likewise.
6237 (TARGET_CASE_VALUES_THRESHOLD): Put 'unsigned int' in braces.
6239 (TARGET_MACHINE_DEPENDENT_REORG: Use prototype.
6241 (TARGET_INIT_BUILTINS): Use prototype.
6243 (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
6244 Put 'const char *' in braces. Fix parameter types.
6245 (TARGET_INVALID_CONVERSION): Fix parameter types.
6246 (TARGET_INVALID_UNARY_OP, TARGET_INVALID_BINARY_OP): Likewise.
6247 (TARGET_INVALID_PARAMETER_TYPE, TARGET_INVALID_RETURN_TYPE): Likewise.
6249 (TARGET_PROMOTED_TYPE): Remove braces around 'tree'.
6252 (TARGET_CONVERT_TO_TYPE): Remove braces around 'tree'.
6254 (TARGET_ALLOCATE_STACK_SLOTS_FOR_ARGS): Remove braces around 'bool'.
6256 2010-01-15 Joern Rennecke <amylaar@spamcop.net>
6258 * doc/tm.texi (TARGET_HELP): Fix return type.
6260 (TARGET_PROMOTE_FUNCTION_MODE): Put 'enum machine_mode'
6261 in braces. Fix argument types.
6263 (TARGET_LIBGCC_CMP_RETURN_MODE): Use prototype.
6265 (TARGET_LIBGCC_SHIFT_COUNT_MODE): Use prototype.
6267 (TARGET_MS_BITFIELD_LAYOUT_P): Fix argument type.
6269 (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Don't put 'bool' in braces.
6270 (TARGET_FIXED_POINT_SUPPORTED_P): Likewise.
6272 (TARGET_MANGLE_TYPE): Fix argument types.
6274 (TARGET_IRA_COVER_CLASSES): Use prototype.
6276 (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Fix return type. Use prototype.
6278 (TARGET_CAN_ELIMINATE): Use identifiers for argument names.
6280 (TARGET_PROMOTE_PROTOTYPES): Fix argument type.
6282 (TARGET_MUST_PASS_IN_STACK): Fix argument type.
6284 (TARGET_CALLEE_COPIES): Fix argument types.
6286 (TARGET_SPLIT_COMPLEX_ARG): Fix argument type.
6288 (TARGET_GIMPLIFY_VA_ARG_EXPR): Fix argument types.
6290 (TARGET_FUNCTION_VALUE): Fix argument types.
6292 (TARGET_RETURN_IN_MSB): Fix argument type.
6294 (TARGET_RETURN_IN_MEMORY): Fix argument types.
6296 (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Fix argument types.
6298 (TARGET_EXTRA_LIVE_ON_ENTRY): Fix argument type.
6300 (TARGET_STRICT_ARGUMENT_NAMING): Make literal in text
6301 agree with return type.
6303 (TARGET_PRETEND_OUTGOING_VARARGS_NAMED): Add Prototype.
6305 2010-01-15 Jing Yu <jingyu@google.com>
6307 PR rtl-optimization/42691
6308 * combine.c (try_combine): Set changed_i3_dest to 1 when I2 and I3 set
6309 a pseudo to a constant and are merged, and adjust comments.
6311 2010-01-15 Eric Botcazou <ebotcazou@adacore.com>
6313 * config/i386/sse.md (avx_vperm2f128<mode>3): Fix typo.
6315 2010-01-15 Richard Guenther <rguenther@suse.de>
6318 * tree-cfgcleanup.c (remove_forwarder_block): Move destination
6319 labels of computed or non-local gotos to the destination.
6320 * tree-cfg.c (gimple_verify_flow_info): Verify that a EH
6321 landing pad label is the first label.
6323 2010-01-15 Richard Guenther <rguenther@suse.de>
6325 * tree-ssa-loop-im.c (gen_lsm_tmp_name): Fix bogus fallthru.
6327 2010-01-14 Michael Meissner <meissner@linux.vnet.ibm.com>
6330 * config/rs6000/rs6000.md (sqrtdf2): Split into expander and insn
6331 to allow generation of the xssqrtdp instruction on power7.
6332 (sqrtdf2_fpr): Ditto.
6334 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6337 * c-decl.c (finish_function): Don't emit -Wreturn-type warnings in
6338 functions with noreturn attribute.
6341 * varasm.c (declare_weak): Add weak attribute to decl if it
6342 doesn't have one already.
6343 (assemble_external): Only add decls to weak_decls if they also
6344 have weak attribute.
6346 2010-01-14 Alexandre Oliva <aoliva@redhat.com>
6348 * var-tracking.c (var_reg_delete): Don't delete the association
6349 between REGs and values or one-part variables if the register
6352 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6355 * tree-inline.c (copy_debug_stmt): Don't reset debug stmt just
6356 because its first operand is a non-localized variable.
6358 2010-01-14 Martin Jambor <mjambor@suse.cz>
6360 PR tree-optimization/42706
6361 * tree-sra.c (encountered_recursive_call): New variable.
6362 (encountered_unchangable_recursive_call): Likewise.
6363 (sra_initialize): Initialize both new variables.
6364 (callsite_has_enough_arguments_p): New function.
6365 (scan_function): Call decl and flags check only for IPA-SRA, check
6366 whether there is a recursive call and whether it has enough arguments.
6367 (all_callers_have_enough_arguments_p): New function.
6368 (convert_callers): Look for recursive calls only when
6369 encountered_recursive_call is set.
6370 (ipa_early_sra): Bail out either if
6371 !all_callers_have_enough_arguments_p or
6372 encountered_unchangable_recursive_call.
6374 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6376 * sel-sched.c: Add 2010 to copyright years.
6377 * sel-sched-ir.c: Likewise.
6378 * sel-sched-ir.h: Likewise.
6380 2010-01-14 Martin Jambor <mjambor@suse.cz>
6382 PR tree-optimization/42714
6383 * tree-sra.c (sra_ipa_modify_assign): Handle incompatible-type
6384 constructors specially.
6386 2010-01-14 Andi Kleen <ak@linux.intel.com>
6388 * config/i386/drivers-i386.c (detect_caches_intel):
6389 Add l2sizekb parameter and fill in.
6390 (host_detect_local_cpu): Add l2sizekb, fill in.
6391 Add Atom small cache heuristic.
6393 2010-01-14 Andi Kleen <ak@linux.intel.com>
6395 * config/i386/drivers-i386.c (detect_caches_cpuid4):
6396 Add level3 parameter and fill in.
6397 (detect_caches_intel): Handle level3 cache.
6399 2010-01-14 Andi Kleen <ak@linux.intel.com>
6401 * config/i386/drivers-i386.c (host_detect_local_cpu):
6402 Fix core duo detection.
6404 2010-01-14 Andi Kleen <ak@linux.intel.com>
6406 * config/i386/drivers-i386.c (host_detect_local_cpu):
6409 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6411 * config/rs6000/rs6000.c (rs6000_variable_issue): Rename to...
6412 (rs6000_variable_issue_1): this. Use...
6413 (rs6000_variable_issue): here. Reimplement. Print debug info.
6415 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6417 * sel-sched-ir.c (sel_restore_other_notes): Rename to
6418 sel_restore_notes. Update all callers. Call reemit_notes
6421 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6423 PR rtl-optimization/42246
6424 * sel-sched-ir.h (get_all_loop_exits): Include exits from inner
6427 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6429 * sel-sched.c (compute_av_set_at_bb_end): Do not test that number of
6430 all successors is the same as number of successors in current region.
6432 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6434 * sel-sched.c (maybe_emit_renaming_copy): Exit early when expression
6435 to rename is not separable. Otherwise check that its LHS is not NULL.
6437 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6439 * sel-sched.c (choose_best_reg_1): Loop over all regs for mode.
6441 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6443 * sel-sched.c (mark_unavailable_hard_regs): Do not try to search
6444 available registers when failed to discover LHS register class.
6445 Fix indentation. Update comment.
6447 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6448 Alexander Monakov <amonakov@ispras.ru>
6450 PR rtl-optimization/42389
6451 * sel-sched.c (advance_one_cycle): Set FENCE_ISSUE_MORE
6453 (advance_state_on_fence): Likewise.
6454 (sel_target_adjust_priority): Print debug output only when
6455 sched_verbose >= 4, not 2.
6456 (get_expr_cost): Do not issue all unique insns on the next cycle.
6457 (fill_insns): Initialize can_issue_more from the value saved
6459 * sel-sched-ir.c (flist_add): New parameter issue_more.
6460 Init FENCE_ISSUE_MORE with it.
6461 (merge_fences): Likewise.
6462 (init_fences): Update call to flist_add.
6463 (add_to_fences, add_clean_fence_to_fences)
6464 (add_dirty_fence_to_fences): Likewise.
6465 (move_fence_to_fences): Update call to merge_fences.
6466 (invoke_reorder_hooks): Do not reset can_issue_more on insns from
6468 * sel-sched-ir.h (struct _fence): New field issue_more.
6469 (FENCE_ISSUE_MORE): New accessor macro.
6471 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6473 PR rtl-optimization/42388
6474 * sel-sched-ir.c (maybe_tidy_empty_bb): Do not delete empty blocks
6475 that have no predecessors nor successors. Do not call move_bb_info
6476 for empty blocks outside of current region.
6478 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6480 PR rtl-optimization/42294
6481 * sel-sched-ir.h (struct _sel_insn_data): Update comment.
6482 * sel-sched.c (move_exprs_to_boundary): Transitively add all
6483 originators' originators.
6485 2010-01-14 Alexander Monakov <amonakov@ispras.ru>
6487 PR rtl-optimization/39453
6488 PR rtl-optimization/42246
6489 * sel-sched-ir.c (considered_for_pipelining_p): Do not test
6491 (sel_add_loop_preheaders): Add preheader to last_added_blocks.
6493 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6494 Alexander Monakov <amonakov@ispras.ru>
6497 * sel-sched-ir.c (sel_recompute_toporder): New. Use it...
6498 (maybe_tidy_empty_bb): ... here. Make static. Add new
6499 argument. Update all callers.
6500 (tidy_control_flow): ... and here. Recompute topological order
6501 of basic blocks in region if necessary.
6502 (sel_redirect_edge_and_branch): Change return type. Return true
6503 if topological order might have been invalidated.
6504 (purge_empty_blocks): Export and move from...
6505 * sel-sched.c (purge_empty_blocks): ... here.
6506 * sel-sched-ir.h (sel_redirect_edge_and_branch): Update prototype.
6507 (maybe_tidy_empty_bb): Delete prototype.
6508 (purge_empty_blocks): Declare.
6510 2010-01-14 Andrey Belevantsev <abel@ispras.ru>
6512 PR rtl-optimization/42249
6513 * sel-sched.c (try_replace_dest_reg): When chosen register
6514 and original register is the same, do not bail out early, but
6515 still check all original insns for validity of replacing destination
6516 register. Set EXPR_TARGET_AVAILABLE to 1 before leaving function
6519 2010-01-14 Jakub Jelinek <jakub@redhat.com>
6522 Port from no-undefined-overflow branch:
6523 2009-03-09 Richard Guenther <rguenther@suse.de>
6525 * fold-const.c (add_double_with_sign): Fix unsigned overflow detection.
6527 2010-01-14 Richard Guenther <rguenther@suse.de>
6530 * gimple.c (iterative_hash_gimple_type): Avoid hashing error_mark_node.
6532 2010-01-14 Ira Rosen <irar@il.ibm.com>
6534 PR tree-optimization/42709
6535 * tree-vect-slp.c (vect_get_constant_vectors): Use constant's type
6536 as scalar type in creation of constant vector operand.
6538 2010-01-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
6541 * Makefile.in ($(TESTSUITEDIR)/site.exp, check-%)
6542 (check-parallel-%): Match `testsuite' directory component only
6545 2010-01-14 Shujing Zhao <pearly.zhao@oracle.com>
6547 PR translation/39521
6548 * gcc.c (do_spec_1): Wrapped the error and notice messages of specs
6551 2010-01-13 Richard Guenther <rguenther@suse.de>
6553 PR tree-optimization/42730
6554 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Add shortcut for
6557 2010-01-13 Steve Ellcey <sje@cup.hp.com>
6560 * config/ia64/ia64.c (ia64_expand_vecint_compare): Convert GTU to GT
6561 for V2SI by subtracting (-(INT MAX) - 1) from both operands to make
6564 2010-01-13 Bernd Schmidt <bernd.schmidt@analog.com>
6566 * config/bfin/libgcc-bfin.ver: Regenerate based on current
6567 libgcc-std.ver. Add entries for ___smulsi3_highpart and
6568 ___umulsi3_highpart.
6570 * config/bfin/bfin.c (bfin_reorg): Call run_selective_scheduling
6571 rather than schedule_insns if the pass is enabled.
6573 2010-01-13 Martin Jambor <mjambor@suse.cz>
6575 PR tree-optimization/42704
6576 * tree-sra.c (sra_modify_assign): Do not delete assignments to
6579 2010-01-13 Martin Jambor <mjambor@suse.cz>
6581 PR tree-optimization/42703
6582 * tree-sra.c (analyze_access_subtree): Check that we can build a
6583 reference to the original data within the aggregate.
6585 2010-01-13 Richard Guenther <rguenther@suse.de>
6587 PR tree-optimization/42705
6588 * tree-ssa-reassoc.c (build_and_add_sum): Insert stmts after labels.
6590 2010-01-13 Richard Guenther <rguenther@suse.de>
6593 * fold-const.c (fold_unary_loc): Fold INDIRECT_REFs.
6595 2010-01-13 Jakub Jelinek <jakub@redhat.com>
6598 * var-tracking.c (values_to_unmark): New variable.
6599 (find_loc_in_1pdv): Clear VALUE_RECURSED_INTO of values in
6600 values_to_unmark vector. Moved body to...
6601 (find_loc_in_1pdv_1): ... this. Don't clear VALUE_RECURSED_INTO,
6602 instead queue it into values_to_unmark vector.
6603 (vt_find_locations): Free values_to_unmark vector.
6605 2010-01-13 Wolfgang Gellerich <gellerich@de.ibm.com>
6607 * config/s390/s390.c (override_options): Set
6608 default of max-pending-list-length to 256
6610 2010-01-13 Richard Guenther <rguenther@suse.de>
6613 * tree-pass.h (PROP_gimple_lcx): New.
6614 * cfgexpand.c (pass_expand): Require PROP_gimple_lcx.
6615 * passes.c (init_optimization_passes): Move pass_lower_complex_O0
6616 before the final cleanup_eh.
6617 (dump_properties): Dump PROP_gimple_lcx.
6618 * tree-complex.c (pass_lower_complex): Provide PROP_gimple_lcx.
6619 (tree_lower_complex_O0): Remove.
6620 (gate_no_optimization): Run if PROP_gimple_lcx is not set.
6621 (pass_lower_complex_O0): Provide PROP_gimple_lcx. Run
6622 tree_lower_complex, schedule TODO_update_ssa.
6623 * lto-streamer-out.c (output_function): Stream the functions
6625 * lto-streamer-in.c (input_function): Likewise.
6626 (lto_read_body): Do not override them here.
6628 2010-01-12 Joseph Myers <joseph@codesourcery.com>
6631 * c-typeck.c (build_c_cast): Fold value cast to union type before
6632 wrapping it in a CONSTRUCTOR.
6634 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6636 PR rtl-optimization/42699
6637 * cse.c (cse_insn): Optimize lhs ZERO_EXTRACT if only CONST_INTs are
6640 2010-01-12 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
6642 * config/mips/iris6.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6643 SUBTARGET_WARN_UNUSED_SPEC): Move ...
6644 config/mips/iris.h (SUBTARGET_DONT_WARN_UNUSED_SPEC,
6645 SUBTARGET_WARN_UNUSED_SPEC): ... here
6646 * config/mips/iris5.h (LIBGCC_SPEC): Define.
6648 2010-01-12 Julian Brown <julian@codesourcery.com>
6650 * config/arm/neon-schedgen.ml (Utils): Don't try to
6651 open missing module.
6652 (find_with_result): New.
6654 2010-01-12 Jakub Jelinek <jakub@redhat.com>
6657 * simplify-rtx.c (simplify_relational_operation_1): Avoid invalid rtx
6658 sharing when canonicalizing ({lt,ge}u (plus a b) b).
6660 PR tree-optimization/42645
6661 * tree-inline.c (processing_debug_stmt): Move earlier. Make static.
6662 (remap_ssa_name): If processing_debug_stmt and name wasn't found in
6663 decl_map, set processing_debug_stmt to -1 and return name without
6666 2010-01-11 Dave Korn <dave.korn.cygwin@gmail.com>
6668 * doc/install.texi (Specific#x-x-cygwin): Document minimum required
6669 binutils version, and reword target configuration description.
6671 2010-01-11 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6673 * config/avr/avr.h (LINKER_NAME): Remove.
6675 2010-01-11 Janis Johnson <janis187@us.ibm.com>
6678 * config/rs6000/rs6000.c (rs6000_override_options): On targets
6679 that support VSX, warn for -mno-altivec if vsx is not disabled,
6682 2010-01-11 Joseph Myers <joseph@codesourcery.com>
6683 Shujing Zhao <pearly.zhao@oracle.com>
6685 PR translation/42469
6686 * common.opt (Wframe-larger-than=, fcompare-debug=, fdbg-cnt=,
6687 fira-verbose=, flto-compression-level=, fplugin-arg-): Use tab
6688 character between option name and help text.
6689 * c.opt (imultilib): Likewise.
6691 2010-01-10 Rafael Avila de Espindola <espindola@google.com>
6693 * lto-streamer-out.c (output_unreferenced_globals): Output static
6696 2010-01-10 Steven Bosscher <steven@gcc.gnu.org>
6698 PR rtl-optimization/42621
6699 * bb-reorder.c (gate_duplicated_computed_gotos): Only run if not
6700 optimizing for size.
6701 (duplicate_computed_gotos): Remove now-redundant check.
6703 2010-01-10 Steve Ellcey <sje@cup.hp.com>
6706 * configure.ac: Save and restore LDFLAGS and LIBS
6707 * configure: Regenerate.
6709 2010-01-10 Richard Guenther <rguenther@suse.de>
6712 * builtins.c (fold_builtin_strlen): Add type argument and
6713 convert the resulting length to it.
6714 (fold_builtin_1): Adjust.
6716 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6718 * config/rs6000/rs6000.c (rs6000_emit_set_long_const): Shorten
6719 sequence for DImode constants >= 0x80000000UL <= 0xFFFFFFFFUL by
6721 (num_insns_constant_wide): Adjust for that change.
6723 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6726 * web.c (union_defs): Add used argument, to combine uses of
6728 (entry_register): Adjust type and tests of used argument.
6729 (web_main): Widen used for new use. Pass it to union_defs.
6730 * df.h (union_defs): Adjust prototype.
6732 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6735 * loop-unroll.c (referenced_in_one_insn_in_loop_p): Count debug
6736 uses in new incoming argument. Free body.
6737 (reset_debug_uses_in_loop): New.
6738 (analyze_insn_to_expand_var): Call the latter if the former found
6739 anything. Fix whitespace. Reject invalid dest overlaps before
6740 going through all insns in the loop.
6742 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6745 * haifa-sched.c (dying_use_p): Debug insns don't count.
6747 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6750 * gimplify.c (gimplify_modify_expr): Drop lhs on noreturn calls.
6751 * tree-cfg.c (is_ctrl_altering_stmt): Don't compute flags twice.
6752 (verify_gimple_call): Reject LHS in noreturn calls.
6754 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6758 * tree-vect-loop-manip.c (adjust_info): New type.
6759 (adjust_vec): New pointer to vector.
6760 (adjust_debug_stmts_now, adjust_vec_debug_stmts): New.
6761 (adjust_debug_stmts, adjust_phi_and_debug_stmts): New.
6762 (slpeel_update_phis_for_duplicate_loop): Use them.
6763 (slpeel_update_phi_nodes_for_guard1): Likewise.
6764 (slpeel_update_phi_nodes_for_guard2): Likewise.
6765 (slpeel_tree_peel_loop_to_edge): Likewise.
6766 (vect_update_ivs_after_vectorizer): Likewise.
6768 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6770 * vec.h (DEF_VEC_ALLOC_FUNC_O_STACK): Drop excess paren.
6771 (DEF_VEC_ALLOC_FUNC_I_STACK): Likewise.
6773 2010-01-09 Alexandre Oliva <aoliva@redhat.com>
6775 * config/i386/i386.c (ix86_vectorize_builtin_vec_perm): Silence
6776 bogus uninitialized warning.
6778 2010-01-09 Richard Guenther <rguenther@suse.de>
6781 * tree-scalar-evolution.c (interpret_loop_phi): Make sure
6782 the evolution is compatible with the initial condition.
6784 2010-01-09 Jakub Jelinek <jakub@redhat.com>
6786 * gcc.c (process_command): Update copyright notice dates.
6787 * gcov.c (print_version): Likewise.
6788 * gcov-dump.c (print_version): Likewise.
6789 * mips-tfile.c (main): Likewise.
6790 * mips-tdump.c (main): Likewise.
6792 2010-01-08 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
6795 * config/avr/avr.md (rotlqi3): Add CONST_INT_P check.
6797 (rotlhi3_8): Delete.
6799 (rotlsi3_8): Delete.
6800 (rotlsi3_16): Delete.
6801 (rotlsi3_24): Delete.
6803 (*rotw<mode>3): New.
6804 (*rotb<mode>3): New.
6805 * config/avr/avr.c (avr_rotate_bytes): New function.
6806 * config/avr/avr-proto.h (avr_rotate_bytes): New function.
6808 2010-01-08 Steve Ellcey <sje@cup.hp.com>
6811 * configure.ac: Modify -rdynamic check.
6812 * configure: Regenerate.
6814 2010-01-08 DJ Delorie <dj@redhat.com>
6816 * config/sh/sh.c (sh_expand_epilogue): Fix interrupt handler
6817 register popping order.
6819 2010-01-08 Richard Guenther <rguenther@suse.de>
6822 * c.opt (fsigned-char): Also let LTO handle this option.
6823 (funsigned-char): Likewise.
6825 2010-01-07 Richard Guenther <rguenther@suse.de>
6827 * gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
6828 (gimple_op): Likewise.
6829 (gimple_op_ptr): Likewise.
6830 (gimple_assign_set_lhs): Remove gcc_assert.
6831 (gimple_assign_set_rhs1): Likewise.
6832 (gimple_assign_set_rhs2): Likewise.
6833 (gimple_call_set_lhs): Likewise.
6834 (gimple_call_set_fn): Likewise.
6835 (gimple_call_set_fndecl): Likewise.
6836 (gimple_call_fndecl): Likewise.
6837 (gimple_call_return_type): Likewise.
6838 (gimple_call_set_chain): Likewise.
6839 (gimple_call_num_args): Likewise.
6840 (gimple_call_set_arg): Likewise.
6841 (gimple_cond_set_code): Likewise.
6842 (gimple_cond_set_lhs): Likewise.
6843 (gimple_cond_set_rhs): Likewise.
6844 (gimple_cond_set_true_label): Likewise.
6845 (gimple_cond_set_false_label): Likewise.
6846 (gimple_label_set_label): Likewise.
6847 (gimple_goto_set_dest): Likewise.
6848 (gimple_debug_bind_get_var): Wrap gcc_assert in ENABLE_CHECKING.
6849 (gimple_debug_bind_get_value): Likewise.
6850 (gimple_debug_bind_get_value_ptr): Likewise.
6851 (gimple_debug_bind_set_var): Likewise.
6852 (gimple_debug_bind_set_value): Likewise.
6853 (gimple_debug_bind_reset_value): Likewise.
6854 (gimple_debug_bind_has_value_p): Likewise.
6855 (gimple_return_retval_ptr): Remove gcc_assert.
6856 (gimple_return_retval): Likewise.
6857 (gimple_return_set_retval): Likewise.
6858 * tree-flow.h (struct gimple_df): Remove nonlocal_all member.
6859 (safe_referenced_var_iterator): Remove.
6860 (FOR_EACH_REFERENCED_VAR_SAFE): Likewise.
6861 * tree-flow-inline.h (gimple_nonlocal_all): Remove.
6862 (fill_referenced_var_vec): Remove.
6863 (first_readonly_imm_use): Remove redundant gcc_assert.
6864 (phi_arg_index_from_use): Combine gcc_asserts.
6865 (move_use_after_head): Wrap gcc_assert in ENABLE_CHECKING.
6866 (first_imm_use_stmt): Remove redundant gcc_assert.
6867 * tree-cfg.c (verify_gimple_call): Verify function and chain
6868 operands. Verify arguments.
6869 (verify_types_in_gimple_stmt): Verify condition code and labels.
6871 2010-01-07 Richard Guenther <rguenther@suse.de>
6873 PR tree-optimization/42641
6874 * sese.c (rename_map_elt_info): Use the SSA name version, do
6877 2010-01-07 Jakub Jelinek <jakub@redhat.com>
6879 PR tree-optimization/42625
6880 * cgraph.c (cgraph_make_node_local): Clear DECL_COMDAT*,
6881 TREE_PUBLIC, DECL_WEAK and DECL_EXTERNAL also for same_body aliases.
6883 2010-01-07 Duncan Sands <baldrick@free.fr>
6885 * Makefile.in (PLUGIN_HEADERS): Add version.h.
6887 2010-01-07 Uros Bizjak <ubizjak@gmail.com>
6890 * ifcvt.c (dead_or_predicable): Also remove REG_EQUAL note when
6891 note itself is not function_invariant_p.
6893 2009-01-07 Steven Bosscher <steven@gcc.gnu.org>
6895 * gcse.c (execute_rtl_cprop, execute_rtl_pre, execute_rtl_hoist):
6896 Do not add the DF_NOTE problem.
6897 * store-motion.c (execute_rtl_store_motion): Likewise.
6899 2010-01-07 Martin Jambor <mjambor@suse.cz>
6901 PR tree-optimization/42157
6902 * tree-sra.c (compare_access_positions): Stabilize sort if both
6903 accesses have integer types, return zero immediately if they are the
6906 2010-01-06 Richard Henderson <rth@redhat.com>
6909 * haifa-sched.c (add_to_note_list): Merge into ...
6910 (concat_note_lists): ... here, and ...
6911 (unlink_other_notes, rm_other_notes): Merge into...
6912 (remove_notes): ... here. Create REG_SAVE_NOTEs for
6913 NOTE_INSN_EPILOGUE_BEG.
6915 2010-01-06 Richard Guenther <rguenther@suse.de>
6917 * ipa-inline.c (cgraph_decide_inlining_incrementally): Do
6918 not inline regular functions into always-inline functions.
6920 2010-01-06 Nick Clifton <nickc@redhat.com>
6922 * config/rx/rx.h (enum rx_cpu_type): Add RX200.
6923 (CC1_SPEC): Issue an error message if -mcpu=rx200 and -fpu are
6925 (OVERRIDE_OPTIONS): Delete.
6926 (OPTIMIZATION_OPTIONS): Define.
6927 (ALLOW_RX_FPU_INSNS): Define only in terms of -fpu option.
6928 * config/rx/rx.c (rx_handle_option): Issue an error message if
6929 -mcpu=rx200 and -fpu are used together.
6930 (rx_set_optimization_options): New function. Issue an error
6931 message if an optimization attribute attempts to reset the FPU/
6932 math optimization pairing.
6933 * config/rx/rx-protos.h (rx_set_optimization_options): Prototype.
6934 * config/rx/rx.opt: Set the default to 32-bit doubles.
6935 * config/rx/t-rx: Add multilibs for -nofpu option.
6936 * doc/invoke.texi: Update documentation of RX options.
6938 2010-01-06 Richard Guenther <rguenther@suse.de>
6940 * tree-ssa-pre.c (name_to_id): New global.
6941 (alloc_expression_id): Simplify SSA name handling.
6942 (lookup_expression_id): Likewise.
6943 (init_pre): Zero name_to_id.
6944 (fini_pre): Free it.
6946 2010-01-06 Uros Bizjak <ubizjak@gmail.com>
6948 * ifcvt.c (if_convert): Output slim multiple dumps with TDF_SLIM.
6950 2010-01-05 H.J. Lu <hongjiu.lu@intel.com>
6953 * config/i386/sse.md (smaxv2di3): New.
6954 (umaxv2di3): Likewise.
6955 (sminv2di3): Likewise.
6956 (uminv2di3): Likewise.
6958 2010-01-05 Eric Botcazou <ebotcazou@adacore.com>
6961 * config/sparc/sparc.h (SPARC_SYMBOL_REF_TLS_P): Delete.
6962 * config/sparc/sparc-protos.h (legitimize_pic_address): Likewise.
6963 (legitimize_tls_address): Likewise.
6964 (sparc_tls_referenced_p): Likewise.
6965 * config/sparc/sparc.c (sparc_expand_move): Use legitimize_tls_address
6966 and adjust calls to legitimize_pic_address.
6967 (legitimate_constant_p) Use sparc_tls_referenced_p.
6968 (legitimate_pic_operand_p): Likewise.
6969 (sparc_legitimate_address_p): Do not use SPARC_SYMBOL_REF_TLS_P.
6970 (sparc_tls_symbol_ref_1): Delete.
6971 (sparc_tls_referenced_p): Make static, recognize specific patterns.
6972 (legitimize_tls_address): Make static, handle CONST patterns.
6973 (legitimize_pic_address): Make static, remove unused parameter and
6974 adjust recursive calls.
6975 (sparc_legitimize_address): Make static, use sparc_tls_referenced_p
6976 and adjust call to legitimize_pic_address.
6977 (sparc_output_mi_thunk): Likewise.
6979 2010-01-05 Paolo Bonzini <bonzini@gnu.rg>
6980 H.J. Lu <hongjiu.lu@intel.com>
6983 * config/i386/i386.c (ix86_expand_int_vcond): Convert GTU to GT
6984 for V4SI and V2DI by subtracting (-(INT MAX) - 1) from both
6985 operands to make them signed.
6988 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
6991 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
6992 GTU to GT for V4SI and V2DI.
6994 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
6995 (umin<mode>3): Removed.
6997 (uminv4si3): Likewise.
6999 2010-01-05 Martin Jambor <mjambor@suse.cz>
7001 PR tree-optimization/42462
7002 * ipa-inline.c (compute_inline_parameters): Pass node->decl instead of
7003 current_function_decl to helper functions and macros.
7005 2010-01-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
7008 * flags.h: Don't include real.h.
7009 (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES, HONOR_SIGNED_ZEROS,
7010 HONOR_SIGN_DEPENDENT_ROUNDING): Move ...
7011 * real.h (HONOR_NANS, HONOR_SNANS, HONOR_INFINITIES,
7012 HONOR_SIGNED_ZEROS, HONOR_SIGN_DEPENDENT_ROUNDING): ... here.
7013 * dominance.c: Update copyright.
7014 * gimple.c (walk_gimple_op): Remove inline.
7015 * tree-ssa-reassoc.c: Include real.h.
7016 * Makefile.in (FLAGS_H): Remove $(REAL_H).
7017 (tree-ssa-reassoc.o): Depend on $(REAL_H).
7019 2010-01-05 Nick Clifton <nickc@redhat.com>
7021 * config/rx/rx.c (rx_get_stack_layout): Fix allocation of second
7022 register to push into the stack frame when the accumulator has to
7023 be saved during interrupts.
7025 2010-01-05 Eric Fisher <joefoxreal@gmail.com>
7027 * doc/invoke.texi: Remove the documentation about option
7029 * common.opt (Wunreachable-code): Preserved for backward
7031 * tree-cfg.c: Remove the implementation of -Wunreachable-code.
7032 * opts.c (common_handle_option): Add OPT_Wunreachable_code to
7033 the backward compatibility flag section.
7035 2010-01-05 Richard Guenther <rguenther@suse.de>
7037 * tree-ssa-pre.c (bitmap_value_insert_into_set): Optimize.
7039 2010-01-05 Jakub Jelinek <jakub@redhat.com>
7042 * cfgexpand.c (expand_one_var): Diagnose too large variables.
7044 PR tree-optimization/42508
7045 * tree-sra.c (convert_callers): Check for recursive call
7046 by comparing cgraph nodes instead of decls.
7047 (modify_function): Call ipa_modify_formal_parameters also
7048 on all same_body aliases.
7050 * cgraphunit.c (cgraph_materialize_all_clones): Compare
7051 cgraph nodes when checking for same_body aliases.
7053 2010-01-05 Richard Guenther <rguenther@suse.de>
7055 * tree-ssa-pre.c (get_or_alloc_expr_for_name): Avoid redundant
7056 allocation and lookup.
7057 (get_or_alloc_expr_for_constant): Likewise.
7058 (phi_translate): Sink allocation.
7060 2010-01-04 Richard Guenther <rguenther@suse.de>
7062 * tree-ssa-sccvn.c (get_or_alloc_constant_value_id): Allocate
7063 a new entry only if needed.
7064 * tree-ssa-dom.c (lookup_avail_expr): Likewise.
7065 * tree-ssa-coalesce.c (find_coalesce_pair): Avoid one
7067 * tree-ssa-pre.c (sorted_array_from_bitmap_set): Pre-allocate
7069 (phi_translate): Handle CONSTANTs early.
7071 2010-01-04 Martin Jambor <mjambor@suse.cz>
7073 PR tree-optimization/42398
7074 * tree-sra.c (struct access): Removed flag grp_different_types.
7075 (dump_access): Do not dump the removed flag.
7076 (sort_and_splice_var_accesses): Do not set the removed flag.
7077 (sra_modify_expr): Check for type compatibility directly.
7079 2010-01-04 Martin Jambor <mjambor@suse.cz>
7081 PR tree-optimization/42366
7082 * ipa-cp.c (ipcp_init_stage): Always call ipa_compute_jump_functions on
7083 edges with variable number of parameters.
7084 * ipa-prop.c (ipa_write_node_info): Stream out uses_analysis_done
7085 flag instead of asserting it.
7086 (ipa_read_node_info): Read uses_analysis_done flag.
7088 2010-01-04 Richard Guenther <rguenther@suse.de>
7090 * tree-ssa-sccvn.c (vn_reference_op_compute_hash): Use
7091 iterative_hash_* as intended.
7092 (vn_reference_compute_hash): Likewise. Simplify hashing
7094 (vn_reference_lookup_2): Likewise.
7095 (vn_nary_op_compute_hash): Likewise.
7096 (vn_phi_compute_hash): Likewise.
7097 (expressions_equal_p): Remove strange code.
7098 * tree-ssa-pre.c (pre_expr_eq): Use gcc_unreachable ().
7099 (pre_expr_hash): Likewise. Simplify hashing SSA names.
7100 (bitmap_insert_into_set_1): Take value-id as parameter.
7101 (add_to_value): Pass it.
7102 (bitmap_insert_into_set): Likewise.
7103 (bitmap_value_insert_into_set): Likewise. Remove redundant check.
7105 2010-01-04 Jakub Jelinek <jakub@redhat.com>
7108 * gcc.c (SWITCH_IGNORE_PERMANENTLY): Define.
7109 (do_self_spec): For switches with SWITCH_IGNORE set set also
7110 SWITCH_IGNORE_PERMANENTLY.
7111 (check_live_switch): Check SWITCH_IGNORE_PERMANENTLY instead
7114 2010-01-04 Rafael Avila de Espindola <espindola@google.com>
7116 * lto-streamer-out.c (output_unreferenced_globals): Output the full
7117 tree of an unreferenced global var.
7119 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7122 * config/i386/i386.c (ix86_expand_int_vcond): Don't convert
7123 GTU to GT for V4SI and V2DI.
7125 * config/i386/sse.md (umaxv4si3): Enabled for SSE4.1 and XOP.
7126 (umin<mode>3): Removed.
7128 (uminv4si3): Likewise.
7130 2010-01-04 H.J. Lu <hongjiu.lu@intel.com>
7133 * collect2.c (main): Turn on trace in collect2 if -v is passed
7136 2010-01-03 Jerry Quinn <jlquinn@optonline.net>
7138 * doc/c-tree.texi (RETURN_STMT): Change to RETURN_EXPR. Update
7139 description of expression operand.
7141 2010-01-03 Andrew Jenner <andrew@codesourcery.com>
7143 * configure.ac: Add install-html to target_list for Make-hooks.
7144 * configure: Regenerate.
7145 * fortran/Make-lang.in (F95_HTMLFILES): New.
7146 (fortran.html): Use it.
7147 (fortran.install-html): New.
7148 * Makefile.in (install-html): Add lang.install-html.
7149 * java/Make-lang.in (JAVA_HTMLFILES): New.
7150 (java.html): Use it.
7151 (java.install-html): New.
7152 * objc/Make-lang.in (objc.install-html): New.
7153 * objcp/Make-lang.in (obj-c++.install-html): New.
7154 * cp/Make-lang.in (c++.install-html): New.
7155 * ada/gcc-interface/Make-lang.in (ada.install-html): New.
7156 * lto/Make-lang.in (lto.install-html): New.
7158 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7161 * gcc.c (LINK_COMMAND_SPEC): Pass -m* and -v to -plugin-opt.
7163 2009-01-03 Steven Bosscher <steven@gcc.gnu.org>
7165 PR rtl-optimization/41862
7166 * store-motion.c (store_killed_in_insn, compute_store_table,
7167 remove_reachable_equiv_notes, replace_store_insn,
7168 build_store_vectors): Ignore all DEBUG_INSNs.
7170 2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
7173 * common.opt: Add dumpdir.
7175 * gcc.c (cc1_options): Add "-dumpbase %B" only if -dumpbase
7177 (option_map): Add --dumpdir.
7179 * gcc.h (DEFAULT_WORD_SWITCH_TAKES_ARG): Add dumpdir.
7181 * lto-wrapper.c (run_gcc): Add -dumpbase and -dumpdir for -o.
7183 * opts.c (decode_options): Try dump_dir_name first if
7184 dump_base_name isn't an absolute path.
7185 (common_handle_option): Handle OPT_dumpdir.
7187 * toplev.c (dump_dir_name): New.
7188 (print_switch_values): Also ignore -dumpdir.
7190 * toplev.h (dump_dir_name): New.
7192 2010-01-03 Richard Guenther <rguenther@suse.de>
7194 PR tree-optimization/42589
7195 * tree-ssa-math-opts.c (execute_optimize_bswap): Allow
7196 double-word expansion of bswap32.
7198 2010-01-03 Steven Bosscher <steven@gcc.gnu.org>
7200 * postreload-gcse.c (insert_expr_in_table): Replace BLOCK_NUM
7201 with BLOCK_FOR_INSN.
7202 * auto-inc-dec.c (attempt_change, get_next_ref, find_inc): Likewise.
7203 * ifcvt.c (noce_get_alt_condition, noce_try_abs,
7204 noce_process_if_block): Likewise.
7205 * gcse.c (compute_local_properties, insert_expr_in_table,
7206 insert_set_in_table, canon_list_insert, find_avail_set,
7207 pre_insert_copy_insn): Likewise.
7209 * basic-block.h (BLOCK_NUM): Move from here...
7210 * sched-int.h (BLOCK_NUM): ... to here to localize it in the scheduler.
7212 2010-01-03 Richard Guenther <rguenther@suse.de>
7214 PR tree-optimization/42438
7215 * tree-ssa-pre.c (struct bb_bitmap_sets): Add
7216 contains_may_not_return_call flag.
7217 (BB_MAY_NOTRETURN): New.
7218 (valid_in_sets): Trapping nary operations are not valid
7219 in blocks that may not return.
7220 (insert_into_preds_of_block): Remove check for trapping expressions.
7221 (compute_avail): Compute also BB_MAY_NOTRETURN.
7223 2010-01-03 Gerald Pfeifer <gerald@pfeifer.com>
7225 * doc/invoke.texi: Add 2010 to copyright years.
7227 2010-01-03 Eric Botcazou <ebotcazou@adacore.com>
7229 * config/sparc/sparc.c: Fix formatting nits.
7231 2010-01-02 Gerald Pfeifer <gerald@pfeifer.com>
7232 Alexander Monakov <amonakov@ispras.ru>
7234 * doc/invoke.texi (Optimize Options): Reword introduction a bit.
7236 2010-01-02 Richard Guenther <rguenther@suse.de>
7239 * tree-vrp.c (check_all_array_refs): Skip non-excutable blocks.
7240 (simplify_switch_using_ranges): Mark to be removed edges
7243 2010-01-02 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7245 * config/pa/t-slibgcc-dwarf-ver (SHLIB_SOVERSION): Bump by two.
7247 * collect2.c (scan_libraries): Add missing argument in call to
7250 2010-01-02 Uros Bizjak <ubizjak@gmail.com>
7253 * config/alpha/predicates.md (aligned_memory_operand): Return false
7255 (unaligned_memory_operand): Return true for CQImode.
7256 * config/alpha/alpha.c (get_aligned_mem): Assert that location
7257 doesn not cross aligned SImode word boundary.
7259 2010-01-02 Anatoly Sokolov <aesok@post.ru>
7261 * config/avr/avr.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, XEXP_):
7263 * config/avr/avr-protos.h (avr_init_once, avr_optimization_options,
7264 avr_change_section, avr_reg_class_from_letter) : Remove declaration.
7266 2010-01-02 Richard Guenther <rguenther@suse.de>
7269 * toplev.c (compile_file): Emit LTO marker properly. Change
7271 * collect2.c (scan_prog_file): Adjust for changed LTO marker.
7273 2010-01-01 Richard Guenther <rguenther@suse.de>
7276 * tree-sra.c (analyze_all_variable_accesses): Work in DECL_UID order.
7278 2010-01-01 Richard Guenther <rguenther@suse.de>
7281 * c-decl.c (grokdeclarator): For zero-size arrays force
7282 structural equality checks as layout_type does.
7284 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7286 * builtins.c: Update copyright to 2010.
7288 2010-01-01 H.J. Lu <hongjiu.lu@intel.com>
7291 * lto-streamer-out.c (produce_asm): Revert the last change.
7292 (copy_function): Likewise.
7294 * lto-streamer.c (lto_get_section_name): Skip any leading
7297 2010-01-01 Richard Guenther <rguenther@suse.de>
7300 * builtins.c (get_object_alignment): Do not use DECL_ALIGN
7304 Copyright (C) 2010 Free Software Foundation, Inc.
7306 Copying and distribution of this file, with or without modification,
7307 are permitted in any medium without royalty provided the copyright
7308 notice and this notice are preserved.